/* Same width as Amatic SC, so headings wrap the same before and after the web font arrives (no layout jump). */
    @font-face { font-family: "Amatic Fallback"; src: local("Arial"); size-adjust: 62.8%; }
    :root {
      color-scheme: light;
      --paper: #F4EFE6;
      --ink: #22201E;
      --accent: #9F593E;
      --line: rgba(34, 32, 30, .18);
      --soft: rgba(34, 32, 30, .055);
      --quiet: rgba(34, 32, 30, .68);
      --accent-soft: rgba(164, 95, 67, .12);
      --orb: #DED5DC;
      --green: #2F7D4A;
      --result-bg: #E0EDDE;
      --result-line: rgba(47, 125, 74, .28);
      --chat-bg: #FFFBF5;
      --shadow: 0 20px 55px rgba(34, 32, 30, .12);
      --head: "Amatic SC", "Amatic Fallback", cursive;
      --body: "Assistant", sans-serif;
      --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", monospace;
    }


    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      background: var(--paper);
      color: var(--ink);
      font-family: var(--body);
      font-size: 17px;
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
      overflow-wrap: anywhere;
    }
    a, button { font: inherit; }
    a { color: inherit; }
    button { color: inherit; }
    img { display: block; max-width: 100%; height: auto; }
    .wrap { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }
    .skip {
      min-height: 44px;
      display: inline-flex;
      align-items: center;
      position: fixed;
      inset-block-start: 12px;
      inset-inline-start: 12px;
      z-index: 50;
      transform: translateY(-160%);
      padding: 8px 14px;
      background: var(--ink);
      color: var(--paper);
    }
    .skip:focus { transform: translateY(0); }

    .site-header {
      position: relative;
      min-height: 98px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      padding-block: 16px 30px;
      border-block-end: 1px solid var(--line);
    }
    .brand {
      width: 168px;
      padding: 5px 8px;
      background: #F4EFE6;
    }
    .brand-by {
      position: absolute;
      inset-inline-end: 8px;
      inset-block-end: 10px;
      color: var(--ink);
      direction: ltr;
      font-size: .72rem;
      font-weight: 500;
      line-height: 1;
    }
    .header-cta { flex: 0 0 auto; }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      border: 1px solid var(--ink);
      text-decoration: none;
      font-weight: 700;
      line-height: 1.25;
      text-align: center;
      cursor: pointer;
    }
    .btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
    .btn-secondary { background: transparent; color: var(--ink); }
    @media (hover: hover) and (pointer: fine) { .btn:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); transform: translateY(-2px); box-shadow: 0 10px 22px rgba(34, 32, 30, .14); } }
    .btn:active { box-shadow: none; }
    .btn svg { inline-size: 18px; block-size: 18px; flex: 0 0 auto; }

    .hero {
      position: relative;
      isolation: isolate;
      min-height: auto;
      display: grid;
      grid-template-columns: minmax(0, 1.7fr) minmax(260px, 1fr);
      align-items: center;
      gap: clamp(28px, 4vw, 58px);
      margin-block-start: 0;
      padding-block-start: clamp(64px, 8vw, 98px);
      padding-block-end: clamp(77px, 9.6vw, 118px);
    }
    .hero-copy { min-width: 0; }
    .hero-visual { position: relative; display: grid; place-items: center; padding: 24px 12px; }
    .hero-visual[hidden] { display: none; }
    .hero:has(.hero-visual[hidden]) { grid-template-columns: 1fr; }
    .hero-visual::before { content: ""; position: absolute; inset: 12% -4%; border-radius: 50%; background: radial-gradient(ellipse, var(--accent-soft), transparent 70%); }
    .tip-phone { position: relative; width: min(290px, 100%); padding: 12px; border: 1px solid #4F4944; border-radius: 40px; background: var(--ink); box-shadow: 16px 28px 45px rgba(73, 47, 34, .16); transform: rotate(-5deg); }
    .tip-phone-screen { min-height: 430px; padding: 18px 22px 28px; overflow: hidden; border-radius: 29px; background: var(--chat-bg); }
    .tip-phone-camera { width: 64px; height: 16px; margin: 0 auto 30px; border-radius: 20px; background: var(--ink); }
    .tip-phone-brand { display: block; color: var(--accent); font-size: 1rem; font-weight: 600; direction: ltr; text-align: right; }
    .tip-phone-label { margin: 8px 0 2px; font-family: var(--head); font-size: 2.6rem; line-height: 1.1; font-weight: 700; }
    .tip-phone-date { display: block; color: var(--quiet); font-size: .75rem; }
    .tip-phone-title { display: block; margin-block-start: 22px; padding-block-start: 20px; border-block-start: 1px solid var(--line); font-size: 1.12rem; line-height: 1.4; }
    .tip-phone-excerpt { margin: 12px 0 0; color: var(--quiet); font-size: .84rem; line-height: 1.8; }
    .tip-phone-lines { width: 58%; margin-block-start: 26px; border-block-start: 3px solid var(--accent); opacity: .35; }
    .hero h1, h2, .closing h2 {
      font-family: var(--head);
      font-weight: 700;
    }
    .hero h1 { margin: 0; }
    .hero-title-line, .hero .accent-line { display: block; }
    .hero .accent-line { color: var(--accent); }
    .motion-ready .hero-title-line { animation: hero-title-in .7s cubic-bezier(.16, 1, .3, 1) .08s both; }
    .motion-ready .hero .accent-line { animation: hero-title-in .78s cubic-bezier(.16, 1, .3, 1) .22s both; }
    .motion-ready .hero .lead,
    .motion-ready .hero .hero-actions,
    .motion-ready .hero .content-tags { animation: hero-support-in .62s cubic-bezier(.16, 1, .3, 1) both; }
    .motion-ready .hero .lead { animation-delay: .38s; }
    .motion-ready .hero .hero-actions { animation-delay: .47s; }
    .motion-ready .hero .content-tags { animation-delay: .54s; }
    @keyframes hero-title-in {
      from { opacity: 0; transform: translateY(22px); }
      to { opacity: 1; transform: translateY(0); }
    }
    @keyframes hero-support-in {
      from { opacity: 0; transform: translateY(10px); }
      to { opacity: 1; transform: translateY(0); }
    }
    .lead {
      max-width: 700px;
      margin: 28px 0 0;
      color: var(--quiet);
      font-size: clamp(1.08rem, 2vw, 1.32rem);
      line-height: 1.7;
    }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-block-start: 32px; }
    .content-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin: 24px 0 0;
      padding: 0;
      list-style: none;
    }
    .content-tags li {
      padding: 5px 12px;
      border: 1px solid var(--line);
      background: var(--soft);
      font-size: .9rem;
      font-weight: 700;
      line-height: 1.3;
    }



    .tip-of-day { background: var(--soft); }
    .tip-of-day[hidden] { display: none; }
    .tip-of-day-heading { display: flex; align-items: end; justify-content: space-between; gap: 20px 42px; }
    .tip-of-day h2 { margin: 0; font-size: clamp(3rem, 6vw, 5rem); line-height: .98; }
    .tip-of-day-meta { display: flex; flex-wrap: wrap; gap: 9px 12px; align-items: center; margin: 16px 0 0; color: var(--quiet); font-size: .98rem; }
    .tip-of-day-status { border: 1px solid var(--accent); padding: 3px 9px; color: var(--accent); font-weight: 700; }
    .tip-of-day-card { max-width: 860px; margin-block-start: 34px; padding: clamp(24px, 4vw, 42px); border: 1px solid var(--line); background: var(--paper); box-shadow: var(--shadow); }
    .tip-of-day-card h3 { margin: 0; font-family: var(--body); font-size: clamp(1.45rem, 3vw, 2.1rem); line-height: 1.28; }
    .tip-of-day-body { margin-block-start: 24px; color: var(--quiet); font-size: clamp(1.05rem, 2vw, 1.22rem); line-height: 1.72; }
    .tip-of-day-body p { margin: 0 0 18px; max-inline-size: 68ch; }
    .tip-of-day-body ul { margin: 0 0 20px; padding-inline-start: 1.25em; }
    .tip-of-day-body li + li { margin-block-start: 9px; }
    .tip-of-day-body a { color: var(--ink); text-decoration-thickness: 1px; text-underline-offset: 4px; }
    .tip-of-day-card .btn { margin-block-start: 10px; }

    .telegram-updates { padding-block: clamp(42px, 5.4vw, 68px); }
    .telegram-updates[hidden] { display: none; }
    .telegram-updates-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 24px 48px; }
    .telegram-updates h2 { margin: 0; font-family: var(--body); font-size: clamp(1.65rem, 3vw, 2.35rem); line-height: 1.2; }
    .telegram-updates-heading p { margin: 8px 0 0; color: var(--quiet); }
    .telegram-update-list { margin: 28px 0 0; padding: 0; list-style: none; border-block-start: 1px solid var(--line); }
    .telegram-update-item { border-block-end: 1px solid var(--line); }
    .telegram-update-link { display: flex; align-items: center; justify-content: space-between; gap: 22px; min-height: 64px; padding-block: 14px; text-decoration: none; font-weight: 700; }
    .telegram-update-link::after { content: "↗\FE0E"; flex: 0 0 auto; color: var(--accent); font-size: 1.3rem; font-weight: 500; }
    @media (hover: hover) and (pointer: fine) { .telegram-update-link:hover { color: var(--accent); } }

    section { padding-block: clamp(64px, 8vw, 98px); }
    .rule-top { border-block-start: 1px solid var(--line); }
    .section-grid {
      display: grid;
      grid-template-columns: minmax(180px, .58fr) minmax(0, 1.42fr);
      gap: clamp(28px, 7vw, 92px);
    }
    .section-label {
      margin: 0;
      color: var(--accent);
      font-size: clamp(1.22rem, 2.2vw, 1.55rem);
      font-weight: 800;
      line-height: 1.35;
    }
    h2 { margin: 0; }
    .big-copy {
      margin: 24px 0 0;
      max-width: 780px;
      font-size: clamp(1.2rem, 2.4vw, 1.7rem);
      line-height: 1.65;
    }

    .what-list { margin-block-start: 42px; border-block-start: 1px solid var(--line); }
    .what-item {
      display: grid;
      grid-template-columns: 48px minmax(150px, .44fr) minmax(0, 1fr);
      gap: 20px;
      align-items: baseline;
      padding-block: 25px;
      border-block-end: 1px solid var(--line);
    }
    .what-item .no { color: var(--accent); font-weight: 800; }
    .what-item h3 { margin: 0; font-size: 1.3rem; }
    .what-item p { margin: 0; color: var(--quiet); }

    .demo-section { background: var(--paper); overflow: hidden; }
    .demo-intro { max-width: 720px; margin-block-end: 32px; }
    .demo-intro .section-label { width: 100%; text-align: right; }
    .demo-intro > p:last-child { margin: 18px 0 0; color: var(--quiet); }
    .demo-layout {
      display: grid;
      grid-template-columns: minmax(250px, .68fr) minmax(0, 1.32fr);
      gap: clamp(30px, 5vw, 68px);
      align-items: center;
    }
    .assistant-notes { min-width: 0; }
    .assistant-note + .assistant-note { margin-block-start: 28px; padding-block-start: 24px; border-block-start: 1px solid var(--line); }
    .assistant-note h3 { margin: 0; font-size: 1.48rem; }
    .assistant-note ul { margin: 12px 0 0; padding: 0 1.15rem 0 0; }
    .assistant-note li { margin-block-start: 7px; color: var(--quiet); }
    .assistant-note li::marker { color: var(--accent); }
    .demo-stage { position: relative; isolation: isolate; min-width: 0; padding: clamp(10px, 2vw, 26px); }
    .demo-shell {
      position: relative;
      min-height: 520px;
      overflow: hidden;
      border: 1px solid var(--line);
      border-radius: 30px;
      box-shadow: var(--shadow);
      background: var(--chat-bg);
    }
    .chat-window { display: flex; flex-direction: column; min-width: 0; min-height: 520px; }
    .chat-head {
      min-height: 78px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 18px 24px;
      border-block-end: 1px solid var(--line);
      background: var(--chat-bg);
    }
    .chat-title { font-size: 1.25rem; font-weight: 800; direction: ltr; }
    .connection { display: flex; align-items: center; gap: 8px; color: var(--quiet); font-size: .92rem; }
    .dot { inline-size: 9px; block-size: 9px; border-radius: 50%; background: var(--green); }
    .chat-body {
      flex: 1;
      display: flex;
      flex-direction: column;
      justify-content: center;
      gap: 14px;
      padding: clamp(24px, 5vw, 54px);
      background-color: var(--chat-bg);
      background-image: radial-gradient(circle, rgba(34, 32, 30, .10) 1px, transparent 1.35px);
      background-size: 18px 18px;
    }
    .chat-panel[hidden] { display: none; }
    .chat-panel { display: flex; flex-direction: column; gap: 14px; }
    .assistant-sequence {
      position: relative;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .typing-indicator {
      position: absolute;
      z-index: 1;
      inset-block-start: 0;
      inset-inline-start: 0;
      width: fit-content;
      min-width: 58px;
      height: 46px;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 5px;
      padding-inline: 16px;
      border: 1px solid var(--line);
      border-radius: 18px 18px 18px 6px;
      background: var(--ink);
      box-shadow: 0 8px 20px rgba(34, 32, 30, .08);
      opacity: 0;
      visibility: hidden;
      pointer-events: none;
    }
    .typing-dot {
      inline-size: 6px;
      block-size: 6px;
      border-radius: 50%;
      background: var(--paper);
      opacity: .46;
    }
    .chat-panel.is-preparing .message-step { opacity: 0; }
    .chat-panel.is-entering .step-user {
      animation: message-arrive .46s cubic-bezier(.16, 1, .3, 1) both;
    }
    .chat-panel.is-entering .typing-indicator {
      visibility: visible;
      animation: typing-window 1.05s cubic-bezier(.4, 0, .2, 1) .44s both;
    }
    .chat-panel.is-entering .typing-dot {
      animation: typing-bounce .72s cubic-bezier(.45, 0, .55, 1) infinite;
    }
    .chat-panel.is-entering .typing-dot:nth-child(2) { animation-delay: .12s; }
    .chat-panel.is-entering .typing-dot:nth-child(3) { animation-delay: .24s; }
    .chat-panel.is-entering .step-assistant {
      animation: message-arrive .5s cubic-bezier(.16, 1, .3, 1) 1.34s both;
    }
    .chat-panel.is-entering .step-result {
      animation: message-arrive .48s cubic-bezier(.16, 1, .3, 1) 1.96s both;
    }
    @keyframes message-arrive {
      from { opacity: 0; transform: translateY(9px) scale(.988); }
      to { opacity: 1; transform: translateY(0) scale(1); }
    }
    @keyframes typing-window {
      0% { opacity: 0; transform: translateY(7px) scale(.98); }
      14%, 78% { opacity: 1; transform: translateY(0) scale(1); }
      100% { opacity: 0; transform: translateY(-3px) scale(.99); visibility: hidden; }
    }
    @keyframes typing-bounce {
      0%, 60%, 100% { opacity: .46; transform: translateY(0); }
      30% { opacity: 1; transform: translateY(-4px); }
    }
    .bubble {
      width: fit-content;
      max-width: min(88%, 620px);
      padding: 15px 18px;
      line-height: 1.6;
      border: 1px solid var(--line);
      border-radius: 18px 18px 6px 18px;
      box-shadow: 0 8px 20px rgba(34, 32, 30, .08);
    }
    .bubble-user { margin-inline-start: auto; background: var(--accent-soft); }
    .bubble-assistant { margin-inline-end: auto; border-radius: 18px 18px 18px 6px; background: var(--ink); color: var(--paper); }
    .result-card {
      width: min(88%, 620px);
      display: flex;
      align-items: center;
      gap: 14px;
      margin-inline-end: auto;
      padding: 15px 17px;
      border: 1px solid var(--result-line);
      border-radius: 16px;
      background: var(--result-bg);
      color: var(--ink);
      box-shadow: 0 8px 20px rgba(47, 125, 74, .08);
    }
    .result-icon {
      position: relative;
      display: grid;
      place-items: center;
      inline-size: 42px;
      block-size: 42px;
      flex: 0 0 auto;
      border-radius: 12px;
      background: rgba(47, 125, 74, .12);
      color: var(--green);
    }
    .result-icon > svg { inline-size: 22px; block-size: 22px; }
    .check-badge {
      position: absolute;
      inset-inline-start: -5px;
      inset-block-end: -5px;
      display: grid;
      place-items: center;
      inline-size: 20px;
      block-size: 20px;
      border: 2px solid var(--result-bg);
      border-radius: 50%;
      background: var(--green);
      color: #fff;
      font-size: .72rem;
      font-weight: 800;
      line-height: 1;
    }
    .result-copy { min-width: 0; }
    .result-copy strong, .result-copy small { display: block; }
    .result-copy strong { font-size: 1.02rem; line-height: 1.35; }
    .result-copy small { margin-block-start: 3px; color: var(--quiet); font-size: .88rem; line-height: 1.45; }
    .composer-wrap { padding: 14px 20px 8px; background: var(--chat-bg); }
    .composer {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      min-height: 50px;
      padding: 10px 14px;
      border: 1px solid var(--line);
      border-radius: 16px;
      color: var(--quiet);
      background: var(--soft);
    }
    .composer-icon {
      display: grid;
      place-items: center;
      inline-size: 32px;
      block-size: 32px;
      flex: 0 0 auto;
      border-radius: 50%;
      background: var(--accent);
      color: #F4EFE6;
      font-weight: 800;
    }
    .demo-note { padding: 0 24px 16px; color: var(--quiet); font-size: .86rem; background: var(--chat-bg); }
    .demo-tabs {
      position: relative;
      display: flex;
      justify-content: center;
      gap: 8px;
      width: fit-content;
      max-width: 100%;
      margin: 18px auto 0;
    }
    .demo-tab {
      min-width: 0;
      min-height: 38px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      flex: 0 1 auto;
      border: 1px solid var(--line);
      border-radius: 999px;
      padding: 6px 13px;
      background: rgba(34, 32, 30, .035);
      color: var(--quiet);
      text-align: center;
      font-size: .88rem;
      font-weight: 700;
      line-height: 1.15;
      white-space: nowrap;
      cursor: pointer;
      transition: background-color .18s ease, color .18s ease, border-color .18s ease, box-shadow .18s ease;
    }
    @media (hover: hover) and (pointer: fine) { .demo-tab:hover { color: var(--ink); background: rgba(255, 255, 255, .48); } }
    .demo-tab[aria-selected="true"] {
      color: var(--ink);
      border-color: rgba(164, 95, 67, .3);
      background: var(--chat-bg);
      box-shadow: 0 4px 12px rgba(34, 32, 30, .1);
    }
    @media (hover: hover) and (pointer: fine) { .demo-tab[aria-selected="true"]:hover { color: var(--ink); background: var(--chat-bg); } }

    .prompt-intro { max-width: 760px; }
    .prompt-intro > p:last-child { margin: 18px 0 0; color: var(--quiet); font-size: 1.08rem; }
    .prompt-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 20px;
      margin-block-start: 38px;
    }
    .prompt-card {
      display: flex;
      flex-direction: column;
      min-width: 0;
      padding: clamp(24px, 4vw, 36px);
      border: 1px solid var(--line);
      background: var(--chat-bg);
    }
    .prompt-card,
    .tool-item,
    .shortcut-item {
      position: relative;
      transition: transform .3s cubic-bezier(.22, .8, .32, 1), box-shadow .3s ease, background-color .3s ease, border-color .3s ease;
    }
    .prompt-card:focus-within, .tool-item:focus-within, .shortcut-item:focus-within {
      z-index: 1;
      transform: translateY(-3px);
      border-color: rgba(159, 89, 62, .24);
      background: var(--chat-bg);
      box-shadow: 0 14px 34px rgba(34, 32, 30, .09);
    }
    @media (hover: hover) and (pointer: fine) { .prompt-card:hover, .tool-item:hover, .shortcut-item:hover {
      z-index: 1;
      transform: translateY(-3px);
      border-color: rgba(159, 89, 62, .24);
      background: var(--chat-bg);
      box-shadow: 0 14px 34px rgba(34, 32, 30, .09);
    } }
    .prompt-card h3 { margin: 0; font-size: clamp(1.3rem, 2.3vw, 1.65rem); line-height: 1.4; }
    .prompt-text { flex: 1; margin: 18px 0 0; color: var(--quiet); white-space: pre-line; }
    .copy-btn { align-self: flex-start; min-height: 44px; margin-block-start: 24px; padding-inline: 18px; }
    .copy-icon {
      position: relative;
      inline-size: 18px;
      block-size: 18px;
      flex: 0 0 auto;
    }
    .copy-icon svg {
      position: absolute;
      inset: 0;
      inline-size: 18px;
      block-size: 18px;
      transition: opacity .2s ease, transform .24s cubic-bezier(.22, .8, .32, 1);
    }
    .copy-icon-check { opacity: 0; transform: scale(.55) rotate(-8deg); }
    .is-copied .copy-icon-copy { opacity: 0; transform: scale(.7); }
    .is-copied .copy-icon-check { opacity: 1; transform: scale(1) rotate(0); }
    .copy-label { min-width: 3em; }
    .is-copied { border-color: var(--green); color: var(--green); }
    .copy-status { min-height: 1.5em; margin: 8px 0 0; color: var(--green); font-size: .88rem; font-weight: 700; }

    .work-list, .tool-list { margin-block-start: 38px; }
    .tool-list { display: grid; }
    .work-item {
      display: grid;
      grid-template-columns: 72px minmax(0, 1fr);
      gap: 22px;
      padding-block: 24px;
      border-block-end: 1px solid var(--line);
    }
    .work-item:first-child { border-block-start: 1px solid var(--line); }
    .work-number {
      font-family: var(--head);
      color: var(--accent);
      font-size: 2.4rem;
      line-height: 1;
    }
    .work-item p { margin: 0; font-size: clamp(1.06rem, 2vw, 1.3rem); }
    .tool-item h3 { margin: 0; direction: ltr; text-align: right; }
    .tool-item h3 a { text-decoration-thickness: 1px; text-underline-offset: 5px; }
    @media (hover: hover) and (pointer: fine) { .tool-item h3 a:hover { color: var(--accent); } }
    .tool-item p { margin: 0; color: var(--quiet); }

    .tools-layout { display: block; }
    .tools-layout > .section-label { margin-block-end: 14px; }
    .tool-list { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; border: 0; }
    .tool-item { display: flex; flex-direction: column; gap: 16px; align-items: stretch; padding: 22px 18px; border: 1px solid var(--line); background: rgba(255, 251, 245, .42); }
    .tool-item h3 { font-size: 1.12rem; line-height: 1.4; }
    .tool-item h3 a { display: flex; flex-direction: column; align-items: flex-start; gap: 16px; text-decoration: none; }
    .tool-item h3 a::after { content: "↗\FE0E"; position: absolute; inset-inline-end: 18px; inset-block-start: 26px; color: var(--accent); font-size: .98rem; }
    .tool-icon { display: grid; place-items: center; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 10px; background: var(--paper); color: var(--accent); }
    .tool-icon svg { width: 26px; height: 26px; }
    .tool-item p { font-size: .94rem; line-height: 1.65; }

    .guide-grid { display: grid; }
    .guide-card { min-width: 0; }
    .guide-card a { height: 100%; display: flex; flex-direction: column; color: inherit; text-decoration: none; }
    .guide-cover { width: 100%; aspect-ratio: 8 / 5; object-fit: cover; border: 1px solid var(--line); }
    .guide-card h3 { margin: 20px 0 8px; font-family: var(--head); font-size: 2.4rem; line-height: 1.1; }
    .guide-card p { margin: 0 0 18px; color: var(--quiet); font-size: 1rem; line-height: 1.6; }
    .guide-link { display: flex; justify-content: space-between; gap: 16px; margin-block-start: auto; padding-block: 12px; color: var(--accent); border-block-start: 1px solid var(--line); font-weight: 500; }
    .guide-card a:focus-visible .guide-cover { border-color: var(--accent); }
    @media (hover: hover) and (pointer: fine) { .guide-card a:hover .guide-cover { border-color: var(--accent); } }
    @media (hover: hover) and (pointer: fine) { .guide-card a:hover .guide-link { color: var(--ink); } }
    .guide-card { position: relative; }

    /* Marker: a highlighter stroke behind one short phrase, on light surfaces only. */
    .mark {
      padding-inline: .14em;
      border-radius: .15em .4em .2em .45em;
      background: linear-gradient(104deg, transparent 1%, color-mix(in srgb, var(--peach) 85%, transparent) 1% 98%, transparent 98%);
      -webkit-box-decoration-break: clone;
      box-decoration-break: clone;
    }
    /* Sticker: a small tilted pill, like a label stuck on by hand. */
    .sticker {
      position: absolute;
      z-index: 1;
      inset-block-start: 12px;
      inset-inline-start: 12px;
      padding: 3px 12px;
      border-radius: 999px;
      background: var(--accent);
      color: #fff;
      font-size: .8rem;
      font-weight: 700;
      line-height: 1.5;
      transform: rotate(-3deg);
    }
    /* Tag: a category label. One per card, ink text on a pastel, no outline. */
    .tag {
      display: inline-block;
      align-self: flex-start;
      justify-self: start;
      margin-block-start: 16px;
      padding: 2px 12px;
      border-radius: 999px;
      color: var(--ink);
      font-size: .8rem;
      font-weight: 700;
      line-height: 1.6;
    }
    .tag-mint { background: var(--tag-mint); }
    .tag-sky { background: var(--tag-sky); }
    .tag-lavender { background: var(--tag-lavender); }
    .tag-apricot { background: var(--tag-apricot); }
    .tag-home { background: var(--world-home); }
    .tag-creators { background: var(--world-creators); }
    .tag-business { background: var(--world-business); }

    .shortcut-intro { max-width: 760px; }
    .shortcut-intro > p:last-child { margin: 18px 0 0; color: var(--quiet); font-size: 1.08rem; }
    .shortcut-list {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      grid-auto-rows: 1fr;
      column-gap: clamp(24px, 4vw, 48px);
      margin-block-start: 38px;
      border-block-start: 1px solid var(--line);
    }
    .shortcut-item {
      min-width: 0;
      height: 100%;
      min-height: 138px;
      display: block;
      padding-inline-start: 112px;
      padding-block: 22px;
      border-block-end: 1px solid var(--line);
    }
    .shortcut-command {
      display: block;
      direction: ltr;
      text-align: right;
      color: var(--accent);
      font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
      font-size: clamp(1.02rem, 2vw, 1.2rem);
      font-weight: 800;
      line-height: 1.35;
    }
    .shortcut-description { margin: 7px 0 0; color: var(--quiet); line-height: 1.5; }
    .shortcut-description strong { color: var(--ink); }
    .shortcut-copy {
      position: absolute;
      inset-inline-start: 0;
      inset-block-start: 22px;
      width: 86px;
      min-width: 86px;
      min-height: 44px;
      padding-inline: 12px;
    }
    .shortcut-status { min-height: 1.25em; margin: 7px 0 0; color: var(--green); font-size: .84rem; font-weight: 700; }

    .shortcut-instagram-link {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      color: var(--ink);
      font-weight: 400;
      text-decoration: none;
    }
    .shortcut-instagram-link svg {
      inline-size: 16px;
      block-size: 16px;
      flex: 0 0 auto;
      stroke: currentColor;
      stroke-width: 1.5;
    }
    @media (hover: hover) and (pointer: fine) { .shortcut-instagram-link:hover { color: var(--accent); } }

    .about-box {
      position: relative;
      padding: clamp(32px, 7vw, 78px);
      border: 1px solid var(--line);
      background: var(--ink);
      color: var(--paper);
    }
    .about-box::before {
      content: "3";
      position: absolute;
      inset-block-start: -28px;
      inset-inline-end: 28px;
      color: var(--accent);
      font-family: var(--head);
      font-size: clamp(6rem, 15vw, 12rem);
      line-height: 1;
    }
    .about-content {
      position: relative;
      display: grid;
      grid-template-columns: minmax(0, 1fr) clamp(180px, 22vw, 250px);
      gap: clamp(28px, 6vw, 72px);
      align-items: center;
    }
    .about-copy { min-width: 0; }
    .about-box h2 { position: relative; max-width: 720px; }
    .about-box p { position: relative; max-width: 760px; margin: 30px 0 0; font-size: clamp(1.16rem, 2vw, 1.45rem); }
    .about-portrait {
      inline-size: 100%;
      height: auto;
      aspect-ratio: 1;
      border: 1px solid rgba(244, 239, 230, .28);
      border-radius: 50%;
      object-fit: cover;
      object-position: center;
      box-shadow: 0 18px 38px rgba(0, 0, 0, .24);
    }

    .steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin-block-start: 38px; }
    .step {
      min-width: 0;
      padding: 28px 24px;
      border: 1px solid var(--line);
      background: var(--chat-bg);
    }
    .step-number { display: block; margin-block-end: 24px; color: var(--accent); font-family: var(--head); font-size: 3.6rem; line-height: 1; font-weight: 700; }
    .step h3 { margin: 0; font-size: 1.2rem; line-height: 1.5; }
    .step h3 span { display: block; margin-block-start: 12px; color: var(--quiet); font-size: 1rem; line-height: 1.65; font-weight: 400; }
    .steps-layout { display: block; }
    .steps-layout > .section-label { margin-block-end: 14px; }
    .steps-layout h2 br { display: none; }
    .steps-layout h2 { max-width: 820px; }
    .faq-section { padding-block-end: clamp(34px, 4vw, 48px); }

    .faq { max-width: 860px; margin-block-start: 42px; }
    details { border-block-start: 1px solid var(--line); }
    details:last-child { border-block-end: 1px solid var(--line); }
    summary {
      display: flex;
      justify-content: space-between;
      gap: 20px;
      padding-block: 22px;
      font-weight: 700;
      cursor: pointer;
      list-style: none;
    }
    summary::-webkit-details-marker { display: none; }
    summary::after { content: "+"; color: var(--accent); font-size: 1.55rem; line-height: 1; }
    details[open] summary::after { content: "−"; }
    details p { margin: -5px 0 0; padding-block-end: 24px; color: var(--quiet); }

    .closing {
      text-align: center;
      background: var(--ink);
      color: var(--paper);
      padding-block: clamp(52px, 6vw, 76px);
    }
    .closing h2 { max-width: 820px; margin-inline: auto; }
    .closing .btn { margin-block-start: 30px; }
    @media (hover: hover) and (pointer: fine) { .closing .btn:hover { background: var(--paper); color: var(--ink); border-color: var(--paper); } }
    .closing :focus-visible { outline-color: var(--paper); }

    footer {
      padding-block: 32px calc(96px + env(safe-area-inset-bottom));
      background: var(--ink);
      color: var(--paper);
    }
    .footer-row { display: flex; justify-content: space-between; align-items: end; gap: 30px; }
    .signature { direction: ltr; font-family: var(--body); font-size: 1.05rem; font-weight: 500; line-height: 1.4; text-align: right; }
    .signature strong { color: var(--accent); }
    .tagline { margin: 2px 0 0; color: var(--paper); font-family: var(--body); font-size: .94rem; line-height: 1.45; opacity: .72; }
    .footer-links { display: flex; flex-wrap: wrap; gap: 10px 24px; font-family: var(--body); font-size: .94rem; font-weight: 400; }
    .footer-links a, .link-button { text-underline-offset: 5px; }
    .link-button {
      border: 0;
      padding: 0;
      background: transparent;
      color: inherit;
      text-decoration: underline;
      cursor: pointer;
    }

    .privacy-dialog {
      width: min(620px, calc(100% - 28px));
      max-height: min(80vh, 680px);
      margin: auto;
      padding: clamp(24px, 5vw, 42px);
      border: 1px solid var(--line);
      border-radius: 24px;
      background: var(--paper);
      color: var(--ink);
      box-shadow: var(--shadow);
    }
    .privacy-dialog::backdrop { background: rgba(34, 32, 30, .64); }
    .privacy-dialog h2 { font-size: clamp(2.8rem, 8vw, 4.4rem); }
    .privacy-dialog p { margin: 18px 0 0; }
    .privacy-dialog .btn { margin-block-start: 24px; }

    .a11y-launcher {
      position: fixed;
      z-index: 45;
      right: max(14px, env(safe-area-inset-right));
      bottom: max(14px, env(safe-area-inset-bottom));
      inline-size: 52px;
      block-size: 52px;
      display: grid;
      place-items: center;
      border: 2px solid var(--paper);
      border-radius: 50%;
      background: var(--accent);
      color: #fff;
      box-shadow: 0 8px 24px rgba(34, 32, 30, .26);
      cursor: pointer;
    }
    @media (hover: hover) and (pointer: fine) { .a11y-launcher:hover { background: var(--ink); } }
    .a11y-launcher svg { inline-size: 27px; block-size: 27px; }
    .a11y-dialog {
      width: min(520px, calc(100% - 28px));
      max-height: min(86vh, 720px);
      margin: auto;
      padding: clamp(24px, 5vw, 38px);
      overflow: auto;
      border: 1px solid var(--line);
      border-radius: 22px;
      background: var(--paper);
      color: var(--ink);
      box-shadow: var(--shadow);
    }
    .a11y-dialog::backdrop { background: rgba(34, 32, 30, .72); }
    .a11y-dialog h2 { font-size: clamp(2.8rem, 8vw, 4.2rem); }
    .a11y-dialog-intro { margin: 14px 0 0; color: var(--quiet); }
    .a11y-options {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 10px;
      margin-block-start: 24px;
    }
    .a11y-option {
      min-height: 54px;
      border: 1px solid var(--line);
      padding: 10px 12px;
      background: var(--chat-bg);
      color: var(--ink);
      font-weight: 700;
      text-align: start;
      cursor: pointer;
    }
    .a11y-option[aria-pressed="true"] {
      border-color: var(--accent);
      background: var(--accent);
      color: #fff;
    }
    .a11y-dialog-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-block-start: 22px; }
    .a11y-dialog-actions .btn { min-height: 46px; }
    .sr-only {
      position: absolute !important;
      width: 1px !important;
      height: 1px !important;
      padding: 0 !important;
      margin: -1px !important;
      overflow: hidden !important;
      clip: rect(0, 0, 0, 0) !important;
      white-space: nowrap !important;
      border: 0 !important;
    }

    html.a11y-large-text { font-size: 112.5%; }
    html.a11y-large-text body { font-size: 1.06rem; }
    html.a11y-readable { --head: "Assistant", sans-serif; }
    html.a11y-readable h1,
    html.a11y-readable h2,
    html.a11y-readable .closing h2 { line-height: 1.12; }
    html.a11y-high-contrast {
      --paper: #fff;
      --ink: #000;
      --accent: #7A2F16;
      --line: rgba(0, 0, 0, .52);
      --soft: rgba(0, 0, 0, .08);
      --quiet: #262626;
      --accent-soft: rgba(122, 47, 22, .18);
      --chat-bg: #fff;
      --result-bg: #E2F3E4;
      --result-line: #1D5C32;
    }
    html.a11y-underline-links a:not(.btn) { text-decoration-thickness: 2px; text-underline-offset: 4px; }
    html.a11y-reduce-motion { scroll-behavior: auto; }
    html.a11y-reduce-motion *,
    html.a11y-reduce-motion *::before,
    html.a11y-reduce-motion *::after { animation: none !important; transition: none !important; }
    html.a11y-reduce-motion .hero-title-line,
    html.a11y-reduce-motion .hero .accent-line,
    html.a11y-reduce-motion .hero .lead,
    html.a11y-reduce-motion .hero .hero-actions,
    html.a11y-reduce-motion .hero .content-tags,
    html.a11y-reduce-motion .reveal-section,
    html.a11y-reduce-motion .message-step { opacity: 1 !important; transform: none !important; visibility: visible; }
    html.a11y-reduce-motion .typing-indicator { opacity: 0 !important; visibility: hidden !important; }
    html.a11y-reduce-motion .prompt-card:hover,
    html.a11y-reduce-motion .prompt-card:focus-within,
    html.a11y-reduce-motion .tool-item:hover,
    html.a11y-reduce-motion .tool-item:focus-within,
    html.a11y-reduce-motion .shortcut-item:hover,
    html.a11y-reduce-motion .shortcut-item:focus-within { transform: none; }

    .reveal-section { opacity: 1; transform: none; }
    .reveal-section.is-revealing {
      animation: section-reveal .64s cubic-bezier(.22, .65, .32, 1) both;
      will-change: opacity, transform;
    }
    @keyframes section-reveal {
      from { opacity: .58; transform: translate3d(0, 14px, 0); }
      to { opacity: 1; transform: translate3d(0, 0, 0); }
    }

    :focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }

    @media (max-width: 820px) {
      .hero { min-height: auto; grid-template-columns: 1fr; }
      .hero-visual { display: none; }
      .tip-phone { transform: rotate(-3deg); width: 260px; }
      .tip-phone-screen { min-height: 390px; }
      .section-grid, .demo-layout { grid-template-columns: 1fr; gap: 26px; }
      .prompt-grid { grid-template-columns: 1fr; }
      .steps { grid-template-columns: 1fr; }
      .guide-card a { display: grid; grid-template-columns: minmax(160px, .8fr) minmax(0, 1.2fr); column-gap: 24px; }
      .guide-cover { grid-row: 1 / span 4; align-self: start; }
      .guide-card h3 { margin-block-start: 0; }
      .tag { margin-block-start: 0; }
      .tool-list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
      .about-content { grid-template-columns: 1fr; }
      .about-portrait { inline-size: min(48vw, 240px); justify-self: center; }
      .demo-tab { min-height: 38px; padding-inline: 10px; font-size: clamp(.76rem, 2.35vw, .86rem); }
    }

    @media (min-width: 821px) and (max-width: 1040px) {
      .hero { grid-template-columns: minmax(0, 1.7fr) minmax(230px, 1fr); gap: 22px; }
      .tool-list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    }

    @media (max-width: 560px) {
      body { font-size: 16px; }
      .wrap { width: min(100% - 28px, 1120px); }
      .site-header { min-height: 76px; padding-block: 10px 24px; }
      .brand { width: 122px; padding: 4px 6px; }
      .brand-by { inset-inline-end: 6px; inset-block-end: 7px; font-size: .64rem; }
      .header-cta { min-height: 44px; max-width: 170px; padding-inline: 12px; font-size: .82rem; }
      .hero { margin-block-start: 0; padding-block-start: 56px; padding-block-end: 67px; }
      .lead { margin-block-start: 18px; font-size: 1rem; line-height: 1.55; }
      .hero-actions { margin-block-start: 22px; flex-direction: column; }
      .hero-actions .btn { width: 100%; min-height: 48px; }
      .content-tags { gap: 6px; }
      .content-tags li { flex: 1 1 auto; text-align: center; padding-inline: 8px; font-size: .84rem; }
      section { padding-block: 56px; }
      .big-copy { font-size: 1.12rem; }
      .tip-of-day-heading { display: block; }
      .tip-of-day-card { margin-block-start: 26px; }
      .telegram-updates-heading { display: block; }
      .telegram-update-link { min-height: 58px; gap: 16px; }
      .what-item { grid-template-columns: 36px 1fr; gap: 8px 12px; }
      .what-item p { grid-column: 2; }
      .demo-intro { margin-block-end: 26px; }
      .demo-stage { padding-inline: 0; }
      .demo-shell { min-height: 500px; border-radius: 22px; }
      .chat-window { min-height: 500px; }
      .chat-head { min-height: 66px; padding: 14px 16px; }
      .chat-title { font-size: 1.05rem; }
      .chat-body { padding: 22px 16px; min-height: 300px; }
      .bubble, .result-card { max-width: 94%; width: auto; padding: 13px 15px; }
      .result-card { width: 94%; }
      .composer-wrap { padding-inline: 12px; }
      .composer { font-size: .84rem; }
      .demo-note { padding-inline: 16px; }
      .demo-tabs { gap: 5px; }
      .demo-tab { min-height: 44px; padding-inline: 7px; font-size: clamp(.68rem, 3vw, .76rem); }
      .a11y-options { grid-template-columns: 1fr; }
      .work-item { grid-template-columns: 48px 1fr; gap: 14px; }
      .tool-list, .shortcut-list { grid-template-columns: 1fr; }
      .tool-list { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
      .tool-item { padding: 20px 14px; }
      .tool-item h3 a::after { inset-inline-end: 14px; }
      .guide-card a { display: flex; }
      .guide-card h3 { margin-block-start: 18px; }
      .tag { margin-block-start: 16px; }
      .steps { gap: 14px; }
      .step { padding: 24px; }
      .step-number { margin-block-end: 16px; }
      .shortcut-item {
        min-height: 132px;
        padding-inline-start: 102px;
      }
      .shortcut-copy { min-width: 86px; padding-inline: 12px; }
      .about-box::before { inset-inline-end: 18px; }
      .about-content { grid-template-columns: 1fr; }
      .about-portrait { inline-size: min(72vw, 240px); justify-self: center; }
      .footer-row { flex-direction: column; align-items: flex-start; }
    }

    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { animation: none !important; transition: none !important; }
      .hero-title-line,
      .hero .accent-line,
      .hero .lead,
      .hero .hero-actions,
      .hero .content-tags,
      .reveal-section,
      .message-step { opacity: 1 !important; transform: none !important; visibility: visible; }
      .typing-indicator { opacity: 0 !important; visibility: hidden !important; }
      .prompt-card:hover,
      .prompt-card:focus-within,
      .tool-item:hover,
      .tool-item:focus-within,
      .shortcut-item:hover,
      .shortcut-item:focus-within { transform: none; }
    }

    .quick-links { display: flex; flex-wrap: wrap; gap: 4px 20px; margin-block-start: 26px; font-size: .92rem; }
    .quick-links a { min-height: 44px; display: inline-flex; align-items: center; color: var(--quiet); text-decoration: none; border-block-end: 1px solid var(--line); }
    @media (hover: hover) and (pointer: fine) { .quick-links a:hover { color: var(--accent); border-color: var(--accent); } }
    [id$="-title"] { scroll-margin-block-start: 24px; }
    .clipboard-buffer { position: fixed; inset: 0 auto auto 0; opacity: 0; font-size: 16px; }
    .shortcut-status { line-height: 1.5; }
    .demo-tab { min-height: 44px; }
    .footer-row { padding-inline-end: 64px; }
    @media (forced-colors: active) { .btn, .a11y-launcher, .demo-tab { border: 2px solid ButtonText; } }
    @media (max-width: 560px) { .quick-links { gap: 8px 20px; } .footer-row { padding-inline-end: 58px; } }

    /* ===== Paper & Ink layer (2026-10). Brand colors and fonts unchanged; tokens below extend them. ===== */
    :root {
      --paper-deep: #E9E0D1;
      --ink-soft: #3A3631;
      --accent-light: #D98A6A;
      --ochre: #D9A441;
      --peach: #F2B48C;
      --tag-mint: #BDE9D2;
      --tag-sky: #BBDDF7;
      --tag-lavender: #DDC8F5;
      --tag-apricot: #FFD3B3;
      --world-home: #FFDF9C;
      --world-creators: #FFBFA0;
      --world-business: #D6CFC2;
      --paper-on-ink: rgba(244, 239, 230, .72);
      --line-on-ink: rgba(244, 239, 230, .14);
      --ease-out: cubic-bezier(.16, 1, .3, 1);
      --radius-lg: clamp(26px, 3vw, 40px);
      --radius-md: 24px;
      --stage-gutter: clamp(8px, 1.2vw, 16px);
    }
    html { scroll-padding-block-start: 88px; }
    ::selection { background: rgba(159, 89, 62, .22); }
    h1, h2, h3 { text-wrap: balance; }
    p, li { text-wrap: pretty; }
    [id$="-title"] { scroll-margin-block-start: 12px; }

    /* Header: sticky glass bar with floor navigation and reading progress. */
    .site-header {
      position: sticky;
      inset-block-start: 0;
      z-index: 40;
      min-height: 0;
      display: block;
      padding: 0;
      border: 0;
      background: none;
    }
    /* The glass bar is a taller pseudo-element that slides up 12px when scrolled, so the header keeps one fixed layout height (no reflow). */
    .site-header::before {
      content: "";
      position: absolute;
      inset-inline: 0;
      inset-block: -12px 0;
      z-index: -1;
      background: rgba(244, 239, 230, .8);
      -webkit-backdrop-filter: saturate(1.5) blur(18px);
      backdrop-filter: saturate(1.5) blur(18px);
      transition: transform .4s var(--ease-out), box-shadow .35s ease;
    }
    .site-header.is-scrolled::before { transform: translateY(-12px); box-shadow: 0 1px 0 var(--line), 0 12px 32px rgba(34, 32, 30, .06); }
    .site-header-inner {
      position: relative;
      min-height: 84px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      padding-block: 10px;
      transition: translate .4s var(--ease-out);
    }
    .site-header.is-scrolled .site-header-inner { translate: 0 -6px; }
    .brand { width: 150px; background: transparent; transform-origin: right center; transition: transform .4s var(--ease-out); }
    .site-header.is-scrolled .brand { transform: scale(.8267); }
    .brand-by { inset-block-end: 6px; font-size: .94rem; transition: opacity .25s ease; }
    .cookie-note { margin: 6px 0 0; color: var(--accent-light); font-size: .9rem; line-height: 1.45; }
    footer :focus-visible { outline-color: var(--accent-light); }
    .site-header.is-scrolled .brand-by { opacity: 0; }
    .floor-nav { display: none; gap: 4px; padding: 4px; border-radius: 999px; background: rgba(34, 32, 30, .045); }
    .floor-nav a {
      min-height: 40px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding-inline: 12px 16px;
      border-radius: 999px;
      color: var(--quiet);
      font-size: .95rem;
      font-weight: 600;
      text-decoration: none;
      transition: background-color .3s ease, color .3s ease, box-shadow .3s ease;
    }
    .floor-nav a span {
      inline-size: 22px;
      block-size: 22px;
      display: inline-grid;
      place-items: center;
      border: 1px solid var(--line);
      border-radius: 50%;
      font-size: .74rem;
      font-weight: 700;
      transition: inherit;
    }
    @media (hover: hover) and (pointer: fine) { .floor-nav a:hover { color: var(--ink); } }
    .floor-nav a[aria-current] { color: var(--ink); background: var(--paper); box-shadow: 0 2px 10px rgba(34, 32, 30, .08); }
    .floor-nav a[aria-current] span { border-color: var(--accent); background: var(--accent); color: #fff; }
    .header-cta { min-height: 44px; padding-inline: 20px; }
    .scroll-progress {
      position: absolute;
      inset-inline: 0;
      inset-block-end: 0;
      block-size: 2px;
      background: linear-gradient(to left, var(--accent), var(--ochre));
      transform: scaleX(var(--progress, 0));
      transform-origin: right;
      transition: translate .4s var(--ease-out);
    }
    .site-header.is-scrolled .scroll-progress { translate: 0 -12px; }

    /* Buttons: pills with a real press. */
    .btn {
      min-height: 52px;
      padding-inline: 26px;
      border-radius: 999px;
      transition: background-color .2s ease, color .2s ease, border-color .2s ease, transform .2s var(--ease-out), box-shadow .2s var(--ease-out);
    }
    .btn-primary { box-shadow: inset 0 1px 0 rgba(255, 255, 255, .16), 0 10px 26px rgba(159, 89, 62, .26); }
    @media (hover: hover) and (pointer: fine) { .btn-primary:hover { background: #8A4A33; border-color: #8A4A33; color: #fff; box-shadow: 0 16px 34px rgba(159, 89, 62, .32); } }
    .btn:active { transform: translateY(0) scale(.98); }
    .btn svg { transition: transform .2s var(--ease-out); }
    @media (hover: hover) and (pointer: fine) { .btn:hover svg { transform: translateX(3px); } }
    .copy-btn { min-height: 44px; }

    /* Hero: an ink stage with a living three-floor building. */
    .hero { display: block; min-height: 0; padding: var(--stage-gutter) var(--stage-gutter) 0; }
    .hero-stage {
      position: relative;
      isolation: isolate;
      overflow: hidden;
      max-width: 1440px;
      min-height: min(860px, calc(100svh - 100px));
      display: grid;
      grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
      align-items: center;
      gap: clamp(20px, 3vw, 48px);
      margin-inline: auto;
      padding: clamp(48px, 6vw, 88px) clamp(28px, 5.5vw, 84px);
      border-radius: var(--radius-lg);
      background:
        radial-gradient(60% 75% at 24% 52%, rgba(159, 89, 62, .36), transparent 68%),
        radial-gradient(40% 50% at 92% 0%, rgba(217, 164, 65, .10), transparent 62%),
        var(--ink);
      color: var(--paper);
    }
    .hero-stage::after {
      content: "";
      position: absolute;
      inset: 0;
      z-index: -1;
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
      opacity: .06;
      mix-blend-mode: overlay;
      pointer-events: none;
    }
    .hero-copy { position: relative; z-index: 1; }
    .hero h1 { max-width: none; font-size: clamp(4.6rem, 8.4vw, 8.8rem); line-height: .86; }
    .hero .accent-line { color: var(--accent-light); }
    .hero .lead { max-width: 560px; color: var(--paper-on-ink); font-size: clamp(1.1rem, 1.5vw, 1.32rem); }
    .hero-actions { margin-block-start: 36px; }
    .hero .btn-secondary { color: var(--paper); border-color: rgba(244, 239, 230, .3); background: rgba(244, 239, 230, .04); }
    @media (hover: hover) and (pointer: fine) { .hero .btn-secondary:hover { color: var(--ink); border-color: var(--paper); background: var(--paper); box-shadow: 0 14px 30px rgba(0, 0, 0, .3); } }
    .hero .quick-links a { color: rgba(244, 239, 230, .62); border-color: var(--line-on-ink); }
    @media (hover: hover) and (pointer: fine) { .hero .quick-links a:hover { color: var(--accent-light); border-color: var(--accent-light); } }
    .hero :focus-visible, .demo-section :focus-visible, .closing :focus-visible { outline-color: var(--accent-light); }
    .hero-art { position: relative; align-self: stretch; min-height: 540px; }
    .floors-canvas { position: absolute; inset: 0; inline-size: 100%; block-size: 100%; display: block; pointer-events: none; -webkit-mask-image: radial-gradient(closest-side, #000 72%, transparent); mask-image: radial-gradient(closest-side, #000 72%, transparent); }
    .hero-card {
      position: absolute;
      z-index: 2;
      display: block;
      text-align: right;
    }
    .hero-card[hidden] { display: none; }
    .hero-card-tip {
      inset-block-end: 3%;
      inset-inline-end: 0;
      inline-size: min(300px, 74%);
      padding: 18px 20px 20px;
      border-radius: 22px;
      background: var(--chat-bg);
      color: var(--ink);
      box-shadow: 0 30px 70px rgba(0, 0, 0, .38), 0 0 0 1px rgba(255, 255, 255, .06);
      cursor: pointer;
      transition: transform .25s var(--ease-out), box-shadow .25s var(--ease-out);
    }
    .hero-card-tip::before { content: none; }
    @media (hover: hover) and (pointer: fine) { .hero-card-tip:hover { box-shadow: 0 40px 80px rgba(0, 0, 0, .45), 0 0 0 1px rgba(217, 138, 106, .5); } }
    .hero-card-update {
      inset-block-start: 4%;
      inset-inline-start: 4%;
      inline-size: min(272px, 66%);
      padding: 15px 18px 16px;
      border: 1px solid var(--line-on-ink);
      border-radius: 18px;
      background: rgba(58, 54, 49, .58);
      -webkit-backdrop-filter: blur(14px);
      backdrop-filter: blur(14px);
      color: var(--paper);
      text-decoration: none;
      transition: border-color .3s ease, background-color .3s ease;
    }
    @media (hover: hover) and (pointer: fine) { .hero-card-update:hover { border-color: rgba(217, 138, 106, .6); background: rgba(58, 54, 49, .78); } }
    .hero-card-kicker { display: flex; align-items: center; gap: 8px; color: var(--accent); font-size: .78rem; font-weight: 700; line-height: 1.3; }
    .hero-card-update .hero-card-kicker { color: var(--accent-light); padding-inline-end: 22px; }
    .live-dot { position: relative; inline-size: 9px; block-size: 9px; border-radius: 50%; background: var(--green); }
    .live-dot::after { content: ""; position: absolute; inset: -4px; border-radius: 50%; border: 1px solid var(--green); opacity: 0; }
    .motion-ready .live-dot::after { animation: live-ping 2.4s var(--ease-out) infinite; }
    .hero-card-date { display: block; margin-block-start: 3px; color: var(--quiet); font-size: .74rem; }
    .hero-card-title { display: -webkit-box; margin-block-start: 10px; overflow: hidden; font-size: 1.02rem; line-height: 1.42; -webkit-line-clamp: 3; -webkit-box-orient: vertical; }
    .hero-card-update .hero-card-title { margin-block-start: 8px; font-size: .98rem; -webkit-line-clamp: 2; }
    .hero-card-excerpt { display: -webkit-box; margin: 8px 0 0; overflow: hidden; color: var(--quiet); font-size: .84rem; line-height: 1.65; -webkit-line-clamp: 3; -webkit-box-orient: vertical; }
    .hero-card-arrow { position: absolute; inset-block-start: 13px; inset-inline-end: 16px; color: var(--accent-light); transition: transform .25s var(--ease-out); }
    @media (hover: hover) and (pointer: fine) { .hero-card-update:hover .hero-card-arrow { transform: translate(-3px, -3px); } }
    .hero-card-guide {
      inset-block-start: 40%;
      inset-inline-end: 0;
      inline-size: min(236px, 46%);
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 10px 14px 10px 10px;
      border: 1px solid var(--line-on-ink);
      border-radius: 16px;
      background: rgba(58, 54, 49, .58);
      -webkit-backdrop-filter: blur(14px);
      backdrop-filter: blur(14px);
      color: var(--paper);
      text-decoration: none;
      transition: border-color .3s ease, background-color .3s ease;
    }
    .hero-card-guide[hidden] { display: none; }
    @media (hover: hover) and (pointer: fine) { .hero-card-guide:hover { border-color: rgba(217, 138, 106, .6); background: rgba(58, 54, 49, .78); } }
    .hero-card-thumb { flex: 0 0 auto; inline-size: 64px; block-size: 40px; object-fit: cover; border-radius: 8px; }
    .hero-card-guide-copy { min-width: 0; }
    .hero-card-guide .hero-card-kicker { color: var(--accent-light); font-size: .72rem; }
    .hero-card-guide .hero-card-title { margin-block-start: 2px; font-size: .9rem; line-height: 1.35; -webkit-line-clamp: 2; }
    .motion-ready .hero-card-guide { animation: card-in .9s var(--ease-out) calc(var(--intro-delay) + .75s) both, card-float 10s ease-in-out calc(var(--intro-delay) + 1.7s) infinite alternate; }
    /* Headline words rise out of a mask, one after another. */
    .hero h1.is-split .hero-title-line, .hero h1.is-split .accent-line { animation: none; }
    .hero-word { display: inline-block; overflow: hidden; padding-block: .14em .2em; margin-block: -.14em -.2em; vertical-align: top; }
    .hero-word > span { display: inline-block; animation: word-rise 1s var(--ease-out) both; animation-delay: calc(var(--intro-delay) + .1s + var(--word-i, 0) * 90ms); }
    @keyframes word-rise { from { transform: translate3d(0, 110%, 0) rotate(3deg); } to { transform: none; } }
    html.a11y-reduce-motion .hero-word > span { animation: none; transform: none; }
    .motion-ready .hero-card-tip { animation: card-in .9s var(--ease-out) calc(var(--intro-delay) + .35s) both, card-float 8s ease-in-out calc(var(--intro-delay) + 1.3s) infinite alternate; }
    .motion-ready .hero-card-update { animation: card-in .9s var(--ease-out) calc(var(--intro-delay) + .55s) both, card-float 9s ease-in-out calc(var(--intro-delay) + 1.5s) infinite alternate-reverse; }
    @keyframes card-in { from { opacity: 0; transform: translate3d(0, 26px, 0) scale(.97); } to { opacity: 1; transform: none; } }
    @keyframes card-float { from { transform: translate3d(0, 0, 0); } to { transform: translate3d(0, -10px, 0); } }
    @keyframes live-ping { 0% { opacity: .9; transform: scale(.6); } 80%, 100% { opacity: 0; transform: scale(1.6); } }

    /* Floors: the brand name becomes the page's structure. */
    .floor-marker { padding-block: clamp(80px, 11vw, 150px) clamp(4px, 1vw, 12px); scroll-margin-block-start: 0; }
    .floor-marker-inner { display: flex; align-items: flex-end; gap: clamp(16px, 2.4vw, 32px); }
    .floor-numeral { color: var(--accent); font-family: var(--head); font-size: clamp(7rem, 15vw, 13rem); font-weight: 700; line-height: .7; }
    .floor-name { display: flex; flex-direction: column; margin: 0; font-family: var(--head); font-size: clamp(2.9rem, 5.4vw, 4.8rem); font-weight: 700; line-height: .9; }
    .floor-kicker { margin-block-end: 10px; color: var(--quiet); font-family: var(--body); font-size: .8rem; font-weight: 700; letter-spacing: .14em; line-height: 1.2; }
    .floor-line { flex: 1; block-size: 1px; margin-block-end: 1.1rem; background: linear-gradient(to left, var(--line), transparent); transform-origin: right; }
    .motion-ready .floor-marker.rise .floor-line { transform: scaleX(0); }
    .motion-ready .floor-marker.rise.is-in .floor-line { transform: scaleX(1); transition: transform 1.4s var(--ease-out) .25s; }
    .rule-top { border-block-start: 0; }
    .floor-marker + section,
    .floor-marker + section[hidden] + section,
    .floor-marker + section[hidden] + section[hidden] + section { padding-block-start: clamp(36px, 4.5vw, 64px); }
    h2 { font-size: clamp(3.4rem, 7vw, 6.2rem); line-height: .9; }
    .section-label { font-size: clamp(1.1rem, 1.8vw, 1.35rem); }

    /* Floor 1. */
    .tip-of-day { margin: clamp(28px, 3vw, 40px) var(--stage-gutter) 0; border-radius: var(--radius-lg); background: var(--paper-deep); }
    .tip-of-day-status { border-radius: 999px; padding-inline: 12px; }
    .tip-of-day { padding-block: clamp(44px, 5.5vw, 76px); }
    .tip-of-day h2 { font-size: clamp(2.6rem, 4.6vw, 3.8rem); }
    .tip-of-day-meta { margin-block-start: 10px; font-size: .92rem; }
    .tip-of-day-card { max-width: 760px; margin-block-start: 26px; padding: clamp(22px, 3vw, 34px); border: 0; border-radius: var(--radius-md); background: var(--chat-bg); box-shadow: 0 1px 0 rgba(255, 255, 255, .6) inset, 0 24px 60px rgba(34, 32, 30, .10); }
    .tip-of-day-card h3 { font-size: clamp(1.25rem, 2.2vw, 1.6rem); }
    .tip-of-day-body { margin-block-start: 16px; font-size: 1.02rem; line-height: 1.7; }
    .tip-of-day-body.is-clamped { max-height: 15em; overflow: hidden; -webkit-mask-image: linear-gradient(#000 55%, transparent); mask-image: linear-gradient(#000 55%, transparent); }
    .tip-more { display: inline-flex; align-items: center; gap: 6px; min-height: 44px; margin-block-end: 6px; padding: 0; border: 0; background: none; color: var(--accent); font-weight: 700; cursor: pointer; }
    .tip-more::after { content: "↓"; transition: transform .25s var(--ease-out); }
    .tip-more[aria-expanded="true"]::after { transform: rotate(180deg); }
    @media (hover: hover) and (pointer: fine) { .tip-more:hover { color: var(--ink); } }
    .telegram-update-link { transition: color .25s ease; }
    .telegram-update-link span { transition: transform .25s var(--ease-out); }
    @media (hover: hover) and (pointer: fine) { .telegram-update-link:hover span { transform: translateX(-12px); } }
    .telegram-update-link::after { transition: transform .25s var(--ease-out); }
    @media (hover: hover) and (pointer: fine) { .telegram-update-link:hover::after { transform: translate(-4px, -4px); } }
    .what-item { transition: background-color .3s ease; }
    .what-item .no { font-family: var(--head); font-size: 2rem; line-height: 1; }

    /* Floor 2: guides first, then the agents on their own stage. */
    .guide-grid { grid-template-columns: repeat(auto-fit, minmax(min(220px, 100%), 1fr)); gap: clamp(22px, 2.6vw, 34px); margin-block-start: 44px; }
    /* four guides: 4 across on wide screens, 2 by 2 on tablets, never three and one alone */
    @media (min-width: 561px) and (max-width: 1040px) { .guide-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
    .guide-cover { border-radius: 18px; transition: border-color .25s ease, transform .25s var(--ease-out), box-shadow .25s var(--ease-out); }
    .guide-card a:focus-visible .guide-cover { transform: translateY(-6px); box-shadow: 0 26px 50px rgba(34, 32, 30, .16); }
    @media (hover: hover) and (pointer: fine) { .guide-card a:hover .guide-cover { transform: translateY(-6px); box-shadow: 0 26px 50px rgba(34, 32, 30, .16); } }
    .guide-card h3 { font-size: clamp(2.3rem, 3.2vw, 2.8rem); }
    .guide-link span { transition: transform .25s var(--ease-out); }
    @media (hover: hover) and (pointer: fine) { .guide-card a:hover .guide-link span { transform: translate(-4px, -4px); } }
    .demo-section {
      margin-inline: var(--stage-gutter);
      padding-block: clamp(72px, 9vw, 128px);
      border-radius: var(--radius-lg);
      background:
        radial-gradient(55% 65% at 82% 28%, rgba(159, 89, 62, .30), transparent 70%),
        radial-gradient(45% 55% at 10% 100%, rgba(217, 164, 65, .07), transparent 60%),
        var(--ink);
      color: var(--paper);
    }
    .demo-section .section-label { color: var(--accent-light); }
    .demo-intro > p:last-child { color: var(--paper-on-ink); }
    .demo-section .assistant-note + .assistant-note { border-color: var(--line-on-ink); }
    .demo-section .assistant-note li { color: var(--paper-on-ink); }
    .demo-section .assistant-note li::marker { color: var(--accent-light); }
    .demo-shell { color: var(--ink); border-color: rgba(255, 255, 255, .08); box-shadow: 0 40px 100px rgba(0, 0, 0, .5), 0 0 0 1px rgba(255, 255, 255, .05); }
    .demo-section .demo-tab { border-color: rgba(244, 239, 230, .16); background: rgba(244, 239, 230, .06); color: var(--paper-on-ink); }
    @media (hover: hover) and (pointer: fine) { .demo-section .demo-tab:hover { color: var(--paper); background: rgba(244, 239, 230, .12); } }
    .demo-section .demo-tab[aria-selected="true"] { border-color: transparent; background: var(--chat-bg); color: var(--ink); box-shadow: 0 8px 22px rgba(0, 0, 0, .3); }
    .prompt-card { border-radius: var(--radius-md); }
    .tool-list { grid-template-columns: repeat(auto-fill, minmax(min(190px, 100%), 1fr)); }
    .tool-item { border-radius: 22px; background: rgba(255, 251, 245, .55); }
    .tool-icon { border-radius: 12px; transition: background-color .25s ease, color .25s ease, border-color .25s ease, transform .25s var(--ease-out); }
    .tool-item:focus-within .tool-icon { border-color: var(--accent); background: var(--accent); color: #fff; transform: rotate(-6deg) scale(1.06); }
    @media (hover: hover) and (pointer: fine) { .tool-item:hover .tool-icon { border-color: var(--accent); background: var(--accent); color: #fff; transform: rotate(-6deg) scale(1.06); } }
    .shortcut-item { transition: background-color .3s ease, transform .3s var(--ease-out); }
    @media (hover: hover) and (pointer: fine) { .spot:hover { background-image: radial-gradient(380px circle at var(--mx, 50%) var(--my, 50%), rgba(159, 89, 62, .10), transparent 62%); } }

    /* Floor 3. */
    .about-box { border: 0; border-radius: var(--radius-lg); background: radial-gradient(60% 80% at 15% 20%, rgba(159, 89, 62, .28), transparent 70%), var(--ink); }
    .step { border-radius: var(--radius-md); transition: transform .25s var(--ease-out), box-shadow .25s var(--ease-out); }
    @media (hover: hover) and (pointer: fine) { .step:hover { transform: translateY(-4px); box-shadow: 0 20px 44px rgba(34, 32, 30, .10); } }
    .step-number { font-size: 4.4rem; }
    details { interpolate-size: allow-keywords; }
    details::details-content { block-size: 0; overflow: clip; transition: block-size .3s var(--ease-out), content-visibility .3s allow-discrete; }
    details[open]::details-content { block-size: auto; }
    summary { transition: color .25s ease; }
    @media (hover: hover) and (pointer: fine) { summary:hover { color: var(--accent); } }
    summary::after { transition: transform .25s var(--ease-out); }
    details[open] summary::after { content: "+"; transform: rotate(45deg); }

    /* Closing: the building returns as an echo. */
    .closing {
      position: relative;
      isolation: isolate;
      overflow: hidden;
      margin: clamp(48px, 6vw, 80px) var(--stage-gutter) var(--stage-gutter);
      padding-block: clamp(110px, 15vw, 200px);
      border-radius: var(--radius-lg);
      background: radial-gradient(55% 70% at 50% 60%, rgba(159, 89, 62, .32), transparent 70%), var(--ink);
    }
    .floors-canvas-closing { z-index: -1; opacity: .55; }
    .closing .wrap { position: relative; }
    .closing h2 { max-width: 1000px; font-size: clamp(3.8rem, 8.4vw, 8rem); line-height: .88; }
    .closing .btn { margin-block-start: 40px; }

    /* Elevator: a quiet floor indicator for wide screens. */
    .elevator {
      position: fixed;
      z-index: 35;
      inset-block-start: 50%;
      left: clamp(14px, 2vw, 28px);
      display: none;
      flex-direction: column;
      gap: 6px;
      padding: 7px;
      border-radius: 999px;
      background: rgba(244, 239, 230, .82);
      -webkit-backdrop-filter: blur(14px);
      backdrop-filter: blur(14px);
      box-shadow: 0 0 0 1px var(--line), 0 14px 34px rgba(34, 32, 30, .12);
      opacity: 0;
      visibility: hidden;
      transform: translate(-14px, -50%);
      transition: opacity .4s ease, transform .6s var(--ease-out), visibility .4s;
    }
    .elevator.is-visible { opacity: 1; visibility: visible; transform: translate(0, -50%); }
    .elevator a {
      inline-size: 40px;
      block-size: 40px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      color: var(--quiet);
      font-family: var(--head);
      font-size: 1.55rem;
      font-weight: 700;
      line-height: 1;
      text-decoration: none;
      transition: background-color .25s ease, color .25s ease, transform .25s var(--ease-out);
    }
    @media (hover: hover) and (pointer: fine) { .elevator a:hover { color: var(--ink); background: rgba(34, 32, 30, .07); } }
    .elevator a[aria-current] { color: #fff; background: var(--accent); transform: scale(1.06); }

    /* Scroll choreography (added by script only when motion is allowed). */
    .motion-ready .rise { opacity: 0; transform: translate3d(0, 22px, 0); transition: opacity .8s var(--ease-out) calc(var(--rise-i, 0) * 70ms), transform 1s var(--ease-out) calc(var(--rise-i, 0) * 70ms); }
    .motion-ready .rise.is-in { opacity: 1; transform: none; }
    html.a11y-reduce-motion .rise, html.a11y-reduce-motion .floor-line { opacity: 1 !important; transform: none !important; }
    html.a11y-reduce-motion details::details-content { transition: none; }

    @media (min-width: 1000px) { .floor-nav { display: flex; } }
    @media (min-width: 1280px) { .elevator { display: flex; } }
    @media (min-width: 821px) and (max-width: 1040px) {
      .hero-stage { grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr); }
      .hero h1 { font-size: 5.6rem; }
      .hero-card-update, .hero-card-guide { display: none; }
    }
    @media (max-width: 820px) {
      .hero-stage { grid-template-columns: 1fr; min-height: 0; padding: 52px 24px 44px; }
      .hero-art { position: absolute; z-index: 0; left: -8%; bottom: -6%; inline-size: 82%; block-size: 62%; min-height: 0; opacity: .38; -webkit-mask-image: linear-gradient(to top, #000 35%, transparent); mask-image: linear-gradient(to top, #000 35%, transparent); }
      .hero-card { display: none; }
      .guide-grid { grid-template-columns: 1fr; }
      .floor-marker { padding-block-start: 72px; }
    }
    @media (max-width: 560px) {
      .site-header-inner { min-height: 70px; }
      .brand { width: 118px; }
      .brand-by { inset-block-end: 5px; font-size: .83rem; }
      .site-header.is-scrolled::before { transform: none; }
      .site-header.is-scrolled .site-header-inner, .site-header.is-scrolled .scroll-progress { translate: none; }
      .site-header.is-scrolled .brand { transform: scale(.8814); }
      .hero h1 { font-size: clamp(3.9rem, 17vw, 5.4rem); }
      .hero-stage { padding: 44px 20px 36px; }
      .tool-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .floor-numeral { font-size: 6.4rem; }
      .closing { padding-block: 96px; }
    }
    @media (prefers-reduced-motion: reduce) {
      .rise, .floor-line { opacity: 1 !important; transform: none !important; }
      details::details-content { transition: none; }
    }
    /* Opening screen: the logo's Ɛ draws itself, turns so its curves face up, becomes the mascot, she waves, the curtain lifts.
       The drawing is SVG + SMIL inside the markup (rig: שפת המותג/דמות/הנפשה/demo.html); CSS only places it and lifts the curtain. */
    :root { --intro-delay: 0s; }
    body:has(> .intro) { --intro-delay: 3.05s; }
    body:has(> .intro.is-skipped) { --intro-delay: 0s; }
    .motion-ready body:has(> .intro) .hero .lead { animation-delay: calc(var(--intro-delay) + .38s); }
    .motion-ready body:has(> .intro) .hero .hero-actions { animation-delay: calc(var(--intro-delay) + .47s); }
    .intro {
      position: fixed;
      inset: 0;
      z-index: 100;
      display: grid;
      place-items: center;
      background: var(--ink);
      animation: intro-lift .45s cubic-bezier(.76, 0, .24, 1) 3s forwards;
      pointer-events: none;
    }
    .intro.is-skipped { animation: intro-lift .4s cubic-bezier(.76, 0, .24, 1) forwards; }
    .intro-mark { inline-size: min(290px, 64vw); display: grid; justify-items: center; gap: 10px; direction: ltr; }
    .intro-flor { display: block; inline-size: 74%; block-size: auto; overflow: visible; }
    /* once she has formed, the wordmark opens under her and the signature follows */
    .intro-logo { inline-size: 100%; block-size: auto; opacity: 0; clip-path: inset(50% 0); animation: intro-logo-open .5s var(--ease-out) 2.05s forwards; }
    .intro-by { justify-self: end; margin-inline-end: 2%; margin-block-start: -4px; font-family: var(--body); font-size: 1.08rem; font-weight: 500; line-height: 1; letter-spacing: .02em; color: rgba(244, 239, 230, .78); opacity: 0; animation: intro-by-in .3s ease 2.45s forwards; }
    @keyframes intro-logo-open { 0% { opacity: 0; clip-path: inset(50% 0); } 15% { opacity: .4; } 100% { opacity: 1; clip-path: inset(0); } }
    @keyframes intro-by-in { to { opacity: 1; } }
    @keyframes intro-lift { to { transform: translate3d(0, -100%, 0); visibility: hidden; } }
    html.a11y-reduce-motion .intro { display: none; }

    /* Instagram strip: real covers drifting slowly; pauses on hover/focus. */
    .ig-section { overflow: hidden; }
    .ig-head { display: flex; align-items: flex-end; justify-content: space-between; flex-wrap: wrap; gap: 20px 32px; }
    .ig-head h2 { font-size: clamp(3rem, 6.4vw, 5.4rem); }
    .ig-marquee { margin-block-start: 40px; overflow: hidden; -webkit-mask-image: linear-gradient(to right, transparent, #000 7%, #000 93%, transparent); mask-image: linear-gradient(to right, transparent, #000 7%, #000 93%, transparent); }
    .ig-track { display: flex; inline-size: max-content; margin: 0; padding: 6px 0 22px; list-style: none; }
    .ig-track.is-looping { animation: ig-drift 45s linear infinite; }
    .ig-marquee:focus-within .ig-track, .ig-marquee.is-away .ig-track, .hero.is-away *, .hero.is-away *::after { animation-play-state: paused; }
    @media (hover: hover) and (pointer: fine) { .ig-marquee:hover .ig-track { animation-play-state: paused; } }
    .ig-track li { margin-inline-end: 18px; }
    .ig-track a { display: block; inline-size: clamp(190px, 21vw, 270px); overflow: hidden; border-radius: 18px; box-shadow: 0 14px 34px rgba(34, 32, 30, .12); transition: transform .25s var(--ease-out), box-shadow .25s var(--ease-out); }
    .ig-track a:focus-visible { transform: translateY(-6px); box-shadow: 0 24px 50px rgba(34, 32, 30, .18); }
    @media (hover: hover) and (pointer: fine) { .ig-track a:hover { transform: translateY(-6px); box-shadow: 0 24px 50px rgba(34, 32, 30, .18); } }
    .ig-track img { display: block; inline-size: 100%; block-size: auto; aspect-ratio: 4 / 5; object-fit: cover; }
    @keyframes ig-drift { to { transform: translate3d(50%, 0, 0); } }
    .tag + h3 { margin-block-start: 10px; }
    html.a11y-reduce-motion .ig-marquee { overflow-x: auto; -webkit-mask-image: none; mask-image: none; }
    html.a11y-reduce-motion .ig-track [aria-hidden="true"] { display: none; }
    @media (prefers-reduced-motion: reduce) {
      .intro { display: none; }
      .ig-marquee { overflow-x: auto; -webkit-mask-image: none; mask-image: none; }
      .ig-track [aria-hidden="true"] { display: none; }
    }
    @media print { .intro { display: none; } }

    /* Phone basics: no grey tap flash, no 300ms tap delay, no selected button labels, no scroll chaining from dialogs. */
    html { -webkit-tap-highlight-color: transparent; -webkit-text-size-adjust: 100%; }
    a, button, summary, [role="button"], [role="tab"] { touch-action: manipulation; }
    .btn, .demo-tab, .tip-more, .link-button, .a11y-launcher, .floor-nav a, .elevator a, .copy-btn { -webkit-user-select: none; user-select: none; }
    .privacy-dialog, .a11y-dialog { overscroll-behavior: contain; }
    /* Press feedback on every pointer type (replaces the tap flash). */
    @media (prefers-reduced-motion: no-preference) {
      html:not(.a11y-reduce-motion) :is(.guide-card a, .tool-item, .telegram-update-link, .demo-tab, .quick-links a, .ig-track a, .floor-nav a):active { transform: scale(.98); transition: transform .12s var(--ease-out); }
    }
    /* Touch targets: 44px where the pointer is a finger. */
    @media (pointer: coarse) {
      .footer-links a, .link-button { display: inline-flex; align-items: center; min-height: 44px; min-width: 44px; }
    }

    /* Inner pages: breadcrumb, page head, article, tip list, pager. Same Paper & Ink tokens as the home page. */
    .page { padding-block: clamp(40px, 6vw, 80px) clamp(56px, 7vw, 96px); }
    .breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; margin-block-end: clamp(24px, 4vw, 40px); color: var(--quiet); font-size: .92rem; }
    .breadcrumb a { color: inherit; text-underline-offset: 4px; }
    .breadcrumb [aria-current] { color: var(--ink); font-weight: 600; max-width: 42ch; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    .breadcrumb-sep { color: var(--line); }
    .page-head { max-width: 860px; margin-block-end: clamp(28px, 4vw, 44px); }
    .page-head .section-label { margin: 0 0 12px; }
    .page-title { margin: 0; font-family: var(--head); font-weight: 700; font-size: clamp(3.4rem, 7vw, 6.2rem); line-height: .9; text-wrap: balance; }
    .page-lead { max-width: 60ch; margin: 18px 0 0; color: var(--quiet); font-size: clamp(1.05rem, 1.8vw, 1.22rem); line-height: 1.65; text-wrap: pretty; }
    .article-title { margin: 0; font-family: var(--body); font-weight: 800; font-size: clamp(1.8rem, 4vw, 2.75rem); line-height: 1.25; text-wrap: balance; }
    .article-body { max-width: 68ch; font-size: clamp(1.05rem, 1.6vw, 1.15rem); line-height: 1.75; text-wrap: pretty; overflow-wrap: anywhere; }
    .article-body p { margin: 0 0 1.1em; }
    .article-body ul { margin: 0 0 1.2em; padding-inline-start: 1.25em; }
    .article-body li + li { margin-block-start: .45em; }
    .article-body a { color: var(--ink); text-decoration-color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 4px; }
    .article-source { margin: clamp(28px, 4vw, 40px) 0 0; }
    .pager { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; max-width: 860px; margin-block-start: clamp(40px, 6vw, 64px); padding-block-start: 24px; border-block-start: 1px solid var(--line); }
    .pager-link { display: grid; gap: 6px; color: var(--ink); font-weight: 700; line-height: 1.4; text-decoration: none; overflow-wrap: anywhere; }
    .pager-link span { color: var(--accent); font-size: .85rem; font-weight: 600; }
    .pager-next { text-align: left; }
    .tip-list { max-width: 860px; margin: 0; padding: 0; list-style: none; border-block-start: 1px solid var(--line); }
    .tip-list li { border-block-end: 1px solid var(--line); }
    .tip-list-link { display: grid; gap: 6px; padding-block: 22px; color: var(--ink); text-decoration: none; }
    .tip-list-link time { color: var(--accent); font-size: .85rem; font-weight: 600; }
    .tip-list-link strong { font-size: clamp(1.15rem, 2vw, 1.35rem); line-height: 1.35; overflow-wrap: anywhere; }
    .tip-list-link span { color: var(--quiet); line-height: 1.6; }
    .page-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 0; }
    @media (hover: hover) and (pointer: fine) {
      .tip-list-link strong, .pager-link { transition: color .25s ease; }
      .tip-list-link:hover strong, .pager-link:hover { color: var(--accent); }
    }
    @media (max-width: 560px) {
      .pager { grid-template-columns: 1fr; }
      .pager-next { text-align: right; }
      .breadcrumb [aria-current] { max-width: 24ch; }
    }
    .updates-archive-link { flex: 0 0 auto; display: inline-flex; align-items: center; min-height: 44px; color: var(--accent); font-weight: 700; text-underline-offset: 5px; }
    .more-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(320px, 100%), 1fr)); gap: clamp(16px, 2.4vw, 28px); }
    .more-card { display: grid; gap: 10px; align-content: start; padding: clamp(22px, 3vw, 32px); border: 1px solid var(--line); border-radius: 22px; background: var(--chat-bg); color: var(--ink); text-decoration: none; }
    .more-card .section-label { margin: 0; }
    .more-card strong { font-family: var(--head); font-size: clamp(2.4rem, 4vw, 3.2rem); font-weight: 700; line-height: 1; }
    .more-card span:last-child { color: var(--quiet); line-height: 1.6; }
    .more-card strong::after { content: " ←"; color: var(--accent); font-family: var(--body); font-size: 1.4rem; }
    @media (hover: hover) and (pointer: fine) {
      .more-card { transition: transform .25s var(--ease-out), box-shadow .25s var(--ease-out), border-color .25s ease; }
      .more-card:hover { transform: translateY(-3px); border-color: rgba(159, 89, 62, .32); box-shadow: 0 14px 34px rgba(34, 32, 30, .09); }
    }
    @media (prefers-reduced-motion: no-preference) {
      html:not(.a11y-reduce-motion) .more-card:active { transform: scale(.98); transition: transform .12s var(--ease-out); }
    }
    .page-intro { padding-block-end: 0; }
    /* Less transparency when the visitor asks for it: glass surfaces become solid. */
    @media (prefers-reduced-transparency: reduce) {
      .site-header::before, .elevator { background: var(--paper); -webkit-backdrop-filter: none; backdrop-filter: none; }
      .hero-card-update, .hero-card-guide { background: var(--ink-soft); -webkit-backdrop-filter: none; backdrop-filter: none; }
    }
    /* Arrow glyphs stay text, never emoji (iOS otherwise draws ↗ as a blue emoji tile). */
    .telegram-update-link::after, .tool-item h3 a::after, .hero-card-arrow, .guide-link span { font-variant-emoji: text; }

    /* Signal layer (DESIGN.md v1.6): a mono voice for data, a live signal, keyboard-first search, smooth page changes. */
    .mono { font-family: var(--mono); font-size: .78rem; font-weight: 500; letter-spacing: .02em; unicode-bidi: isolate; font-variant-numeric: tabular-nums; }
    .article-meta { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 14px; color: var(--accent); }
    .tip-list-meta { color: var(--accent); }
    .hero-hud { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 18px; margin: 0 0 22px; color: rgba(244, 239, 230, .62); }
    .hero-hud[hidden] { display: none; }
    .hero-hud a { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; color: var(--paper); text-decoration: none; }
    .hud-live { inline-size: 7px; block-size: 7px; border-radius: 50%; background: #6FCF97; }
    .hero-hud:not(.is-live) .hud-live { display: none; }
    @media (prefers-reduced-motion: no-preference) {
      html:not(.a11y-reduce-motion) .hud-live { animation: hud-ping 2.4s var(--ease-out) infinite; }
      .hero.is-away .hud-live { animation-play-state: paused; }
    }
    @keyframes hud-ping { 0% { box-shadow: 0 0 0 0 rgba(111, 207, 151, .55); } 70%, 100% { box-shadow: 0 0 0 9px rgba(111, 207, 151, 0); } }
    @media (hover: hover) and (pointer: fine) { .hero-hud a:hover { color: var(--accent-light); } }

    .brand-link { display: flex; align-items: center; min-height: 44px; flex: 0 0 auto; line-height: 0; }
    .search-open { display: inline-flex; align-items: center; gap: 8px; min-height: 40px; margin-inline-start: auto; padding: 0 12px; border: 1px solid var(--line); border-radius: 999px; background: var(--chat-bg); color: var(--quiet); font: 500 .9rem var(--body); cursor: pointer; }
    .search-open svg { inline-size: 18px; block-size: 18px; flex: 0 0 auto; }
    .search-open kbd { direction: ltr; padding: 1px 6px; border: 1px solid var(--line); border-radius: 6px; background: var(--paper); color: var(--ink); font-size: .7rem; }
    .search-open + .header-cta { margin-inline-start: -8px; }
    .floor-nav { margin-inline: auto; }
    @media (hover: hover) and (pointer: fine) { .search-open:hover { color: var(--ink); border-color: rgba(34, 32, 30, .32); } }
    @media (pointer: coarse) { .search-open kbd { display: none; } }
    @media (max-width: 560px) {
      .search-open { inline-size: 44px; min-height: 44px; justify-content: center; padding: 0; }
      .search-open-label { display: none; }
    }

    .search-dialog { inline-size: min(640px, 100% - 24px); max-block-size: min(70vh, 640px); margin: 12vh auto auto; padding: 0; border: 0; border-radius: 20px; background: var(--chat-bg); color: var(--ink); box-shadow: 0 30px 80px rgba(0, 0, 0, .28), 0 0 0 1px var(--line); overflow: hidden; }
    .search-dialog[open] { display: flex; flex-direction: column; }
    .search-dialog::backdrop { background: rgba(34, 32, 30, .5); }
    .search-box { display: flex; align-items: center; gap: 12px; padding: 6px 16px; border-block-end: 1px solid var(--line); }
    .search-box svg { inline-size: 20px; block-size: 20px; flex: 0 0 auto; color: var(--quiet); }
    .search-box input { flex: 1; min-width: 0; min-height: 56px; border: 0; background: transparent; color: var(--ink); font: 500 1.08rem var(--body); outline: none; }
    .search-box input::-webkit-search-cancel-button { display: none; }
    .search-close { min-height: 32px; padding: 0 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--paper); color: var(--quiet); font: 500 .75rem var(--mono); cursor: pointer; }
    .search-results { flex: 1; margin: 0; padding: 8px; overflow-y: auto; overscroll-behavior: contain; list-style: none; }
    .search-results a { display: flex; align-items: center; gap: 12px; min-height: 48px; padding: 10px 12px; border-radius: 12px; color: var(--ink); text-decoration: none; }
    .search-results [aria-selected="true"] a { background: var(--paper-deep); }
    .search-kind { flex: 0 0 4.5em; color: var(--accent); }
    .search-title { flex: 1; min-width: 0; font-weight: 600; line-height: 1.4; overflow-wrap: anywhere; }
    .search-meta { flex: 0 0 auto; color: var(--quiet); }
    .search-empty { padding: 18px 12px; color: var(--quiet); }
    .search-worlds { display: flex; flex-wrap: wrap; gap: 8px; padding: 10px 16px; border-block-end: 1px solid var(--line); }
    .search-worlds button { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 16px; border: 1.5px solid currentColor; border-radius: 999px; background: transparent; color: inherit; font-weight: 700; cursor: pointer; }
    .search-worlds button[aria-pressed="true"] { border-color: var(--paper); background: var(--paper); color: var(--ink); }
    @media (max-width: 480px) { .search-worlds { gap: 6px; padding-inline: 12px; } .search-worlds button { gap: 6px; padding: 0 11px; } }
    .search-foot { display: flex; gap: 6px 14px; margin: 0; padding: 10px 16px; border-block-start: 1px solid var(--line); color: var(--quiet); }
    .search-foot span { color: var(--ink); }
    @media (pointer: coarse) { .search-foot { display: none; } }
    @media (max-width: 560px) {
      .search-dialog { inline-size: calc(100% - 16px); margin-block-start: 8px; max-block-size: calc(100dvh - 16px); }
      .search-meta { display: none; }
    }
    @media (prefers-reduced-motion: no-preference) {
      .search-dialog[open] { animation: search-in .2s var(--ease-out); }
    }
    @keyframes search-in { from { opacity: 0; transform: translateY(8px) scale(.98); } }

    /* Page changes cross-fade; the header stays put. */
    @media (prefers-reduced-motion: no-preference) { @view-transition { navigation: auto; } }
    .site-header { view-transition-name: site-header; }
    ::view-transition-old(root), ::view-transition-new(root) { animation-duration: .22s; }

    /* Content worlds: one tag colour each, the same as Trio's world body (--world-*): בבית = butter, יוצרים = apricot, עסקים = stone. */
    .world-filter { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 24px; }
    .world-filter[hidden] { display: none; }
    .world-filter button { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 16px; border: 1px solid var(--line); border-radius: 999px; background: var(--chat-bg); color: var(--ink); font: 600 .95rem var(--body); cursor: pointer; }
    .world-filter button[aria-pressed="true"] { border-color: var(--ink); background: var(--ink); color: var(--paper); }
    .world-filter .mono { opacity: .7; }
    .world-dot { inline-size: 10px; block-size: 10px; border-radius: 50%; }
    .tip-list li[hidden] { display: none; }
    .tip-list-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
    .article-meta .tag, .tip-list-meta .tag { margin: 0; }

    /* Paper & Carousel (DESIGN.md v1.6): cream everywhere, ink only inside "screens", sticker cards with an ink outline, Muse on the roof. */
    :root {
      --band: #F1DCC8;
      --tag-pink: #FFC9D6;
      --card-bg: #FFFDF8;
      --outline: 2px solid var(--ink);
      --hard: 0 4px 0 var(--ink);
      --hard-sm: 0 3px 0 var(--ink);
    }
    .wrap { width: min(1180px, calc(100% - 48px)); }
    .band { display: inline-block; max-width: 36em; margin: 0; padding: 12px 18px; border-radius: 16px; background: var(--band); color: var(--ink); font-weight: 500; line-height: 1.55; }

    /* Header: flat paper, no glass. */
    .site-header::before { background: var(--paper); -webkit-backdrop-filter: none; backdrop-filter: none; }
    .site-header.is-scrolled::before { box-shadow: 0 2px 0 var(--ink); }
    .scroll-progress { background: var(--accent); }
    .search-open { border: var(--outline); background: var(--card-bg); color: var(--ink); box-shadow: var(--hard-sm); }
    .search-open kbd { border: 0; background: var(--ink); color: var(--paper); }
    @media (hover: hover) and (pointer: fine) { .search-open:hover { border-color: var(--ink); transform: translateY(-1px); } }
    .floor-nav { border: var(--outline); background: var(--card-bg); }
    .floor-nav a[aria-current] { box-shadow: none; }
    .floor-nav a span { border-color: var(--ink); }

    /* Buttons and cards: a 2px ink outline and a hard offset shadow, like stickers on the carousel slides. */
    .btn { border: var(--outline); box-shadow: var(--hard-sm); }
    .btn-primary { background: var(--accent); border-color: var(--ink); box-shadow: var(--hard-sm); }
    .btn-secondary { background: rgba(255, 255, 255, .45); color: var(--ink); }
    @media (hover: hover) and (pointer: fine) {
      .btn:hover, .btn-primary:hover { border-color: var(--ink); transform: translateY(-2px); box-shadow: 0 5px 0 var(--ink); }
      .btn-secondary:hover { background: var(--ink); color: var(--paper); }
    }
    .btn:active { transform: translateY(1px) scale(.99); box-shadow: 0 2px 0 var(--ink); }
    .more-card, .prompt-card, .tool-item, .step, .shortcut-item, .guide-cover, .demo-shell, .about-box, .tip-phone { border: var(--outline); background: var(--card-bg); box-shadow: var(--hard); }
    .guide-cover { background: #fff; mix-blend-mode: multiply; }
    /* The 3floors mascot keeps the closing company (rig: שפת המותג/דמות/הנפשה/demo.html). */
    .closing { overflow: visible; }
    .closing .wrap { position: relative; }
    .closing-mascot { position: absolute; inset-inline-start: 0; inset-block-end: -14%; inline-size: clamp(140px, 16vw, 220px); pointer-events: none; }
    @media (max-width: 820px) { .closing-mascot { position: static; display: block; inline-size: 140px; margin: -8px auto 8px; } }
    @media (hover: hover) and (pointer: fine) {
      .more-card:hover, .prompt-card:hover, .tool-item:hover, .step:hover, .shortcut-item:hover { border-color: var(--ink); transform: translateY(-3px); box-shadow: 0 7px 0 var(--ink); }
      .guide-card a:hover .guide-cover { border-color: var(--ink); transform: translateY(-4px); box-shadow: 0 8px 0 var(--ink); }
    }
    .guide-card a:focus-visible .guide-cover { border-color: var(--ink); }
    .what-item .no { color: var(--accent); }

    /* Hero: paper, not a stage. The building stands in ink on cream and Muse sits on the roof. */
    .hero { padding: 0; }
    .hero-stage {
      max-width: none;
      min-height: 0;
      grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
      align-items: center;
      padding: clamp(24px, 4vw, 56px) 0 clamp(20px, 3vw, 40px);
      border-radius: 0;
      background: none;
      color: var(--ink);
    }
    .hero-stage::after { content: none; }
    .hero h1 { font-size: clamp(4.2rem, 9.5vw, 8rem); line-height: .92; }
    .hero .accent-line { color: var(--accent); }
    .hero .lead { display: inline-block; max-width: 34em; margin-block-start: 22px; padding: 12px 18px; border-radius: 16px; background: var(--band); color: var(--ink); font-weight: 500; font-size: clamp(1.05rem, 1.5vw, 1.25rem); line-height: 1.55; }
    .hero-actions { margin-block-start: 26px; }
    .hero .btn-secondary { color: var(--ink); border-color: var(--ink); background: rgba(255, 255, 255, .45); }
    @media (hover: hover) and (pointer: fine) { .hero .btn-secondary:hover { color: var(--paper); border-color: var(--ink); background: var(--ink); box-shadow: 0 5px 0 var(--ink); } }
    .hero .quick-links a { color: var(--quiet); border-color: var(--line); }
    @media (hover: hover) and (pointer: fine) { .hero .quick-links a:hover { color: var(--accent); border-color: var(--accent); } }
    .hero :focus-visible, .demo-section :focus-visible, .closing :focus-visible { outline-color: var(--accent); }
    .hero-hud { color: var(--quiet); }
    .hero-hud a { color: var(--ink); }
    @media (hover: hover) and (pointer: fine) { .hero-hud a:hover { color: var(--accent); } }
    .hud-live { background: #2F9E6B; }
    .hero-art { position: relative; min-height: 0; inline-size: min(100%, 480px); aspect-ratio: 1; justify-self: center; align-self: center; }
    .floors-canvas { --dot: 34, 32, 30; --dot-glow: 159, 89, 62; -webkit-mask-image: none; mask-image: none; }
    .x-mark, .ig-mark { inline-size: 17px; block-size: 17px; flex: 0 0 auto; }
    .btn .handle { font-weight: 500; }
    /* Trio rides the building: the floors script places it on the top face of the floor it stands on. */
    .hero-trio { position: absolute; left: 0; top: 0; z-index: 1; inline-size: clamp(60px, 20%, 116px); opacity: 0; pointer-events: none; direction: ltr; }
    .hero-trio .mascot.is-landed :is(.m-iris, .m-nose) { opacity: 0; }
    .hero-trio .mascot.is-landed :is(.m-arc, .m-smile) { opacity: 1; }
    .hero-trio .mascot.is-landed .m-char { animation: trio-land .38s cubic-bezier(.3, 0, .2, 1); }
    @keyframes trio-land { 0% { transform: scale(1.12, .84); } 55% { transform: scale(.96, 1.06); } 100% { transform: scale(1, 1); } }
    .chip { position: absolute; z-index: 2; display: inline-flex; align-items: center; min-height: 44px; padding: 0 16px; border: var(--outline); border-radius: 999px; color: var(--ink); font-weight: 700; font-size: .95rem; text-decoration: none; box-shadow: var(--hard-sm); transition: transform .2s var(--ease-out), box-shadow .2s var(--ease-out); }
    .chip-home { background: var(--world-home); inset-block-start: 8%; inset-inline-end: 2%; rotate: 4deg; }
    .chip-creators { background: var(--world-creators); inset-block-start: 46%; inset-inline-start: 1%; rotate: -5deg; }
    .chip-business { background: var(--world-business); inset-block-end: 14%; inset-inline-start: 0; rotate: -2deg; }
    @media (hover: hover) and (pointer: fine) { .chip:hover { transform: translateY(-2px); box-shadow: 0 5px 0 var(--ink); } }
    .motion-ready .chip { animation: card-in .9s var(--ease-out) calc(var(--intro-delay) + .9s) both; }
    .motion-ready .chip-creators { animation-delay: calc(var(--intro-delay) + 1.05s); }
    .motion-ready .chip-business { animation-delay: calc(var(--intro-delay) + 1.2s); }

    /* Worlds: three sticker cards, one colour each. */
    .worlds-section { padding-block: clamp(28px, 4vw, 56px) clamp(40px, 5vw, 72px); }
    .worlds-title { font-size: clamp(3rem, 6vw, 4.5rem); line-height: 1; text-align: center; }
    .worlds-title em { font-style: normal; color: var(--accent); }
    .worlds-lead { display: table; margin: 12px auto 28px; }
    .worlds { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(16px, 2.4vw, 24px); }
    .world { position: relative; display: flex; flex-direction: column; gap: 14px; padding: 0 0 16px; border: var(--outline); border-radius: 22px; background: var(--card-bg); color: var(--ink); text-decoration: none; text-align: center; box-shadow: var(--hard); overflow: hidden; transform: perspective(900px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)); transition: transform .25s var(--ease-out), box-shadow .25s var(--ease-out); }
    .world img { inline-size: 100%; aspect-ratio: 1264 / 848; object-fit: cover; mix-blend-mode: multiply; }
    .world-label { display: grid; gap: 2px; margin-inline: 16px; padding: 8px 10px 10px; border: var(--outline); border-radius: 16px; }
    .world-label strong { font-family: var(--head); font-size: 2.6rem; line-height: 1; font-weight: 700; }
    .world-label span { font-size: .95rem; line-height: 1.4; }
    .world-home .world-label { background: var(--world-home); }
    .world-creators .world-label { background: var(--world-creators); }
    .world-business .world-label { background: var(--world-business); }
    .world-meta { color: var(--quiet); }
    @media (hover: hover) and (pointer: fine) { .world:hover { transition-duration: .08s; box-shadow: 0 8px 0 var(--ink); } }
    .world:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }

    /* The tip of the day is a screen: the one place ink is a surface. */
    .tip-of-day { position: relative; margin-inline: 0; padding: 0; border: var(--outline); border-radius: 22px; background: var(--ink); color: var(--paper); box-shadow: 0 6px 0 rgba(0, 0, 0, .22); overflow: hidden; }
    .tip-of-day::before { content: ""; display: block; block-size: 40px; border-block-end: 1px solid rgba(255, 255, 255, .1); background-color: var(--ink-soft); background-image: radial-gradient(circle, #FF5F57 5px, transparent 5.6px), radial-gradient(circle, #FEBC2E 5px, transparent 5.6px), radial-gradient(circle, #28C840 5px, transparent 5.6px); background-repeat: no-repeat; background-size: 12px 12px; background-position: 16px 50%, 34px 50%, 52px 50%; }
    .floor-marker + .tip-of-day, .floor-marker + section[hidden] + .tip-of-day { padding-block-start: 0; }
    .tip-of-day > .wrap { inline-size: auto; margin: 0; padding: clamp(22px, 3.5vw, 36px) clamp(20px, 4vw, 40px) clamp(26px, 4vw, 40px); }
    /* Terminal command line in the tip window; LIVE (green dot, slow pulse) only when the tip is from today. */
    .term-cmd { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: 6px 14px; margin: 0 0 14px; color: var(--paper-on-ink); text-align: left; }
    .term-live { display: inline-flex; align-items: center; gap: 7px; color: var(--paper); }
    .term-live[hidden] { display: none; }
    .term-live-dot { inline-size: 9px; block-size: 9px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 0 rgba(47, 125, 74, .6); animation: live-pulse 2.4s ease-out infinite; }
    @keyframes live-pulse { 70%, 100% { box-shadow: 0 0 0 7px rgba(47, 125, 74, 0); } }
    /* Window name in the title bar (approved 24.10.2026); decorative, so it carries no spoken text. */
    .tip-of-day::before { content: "3floors tip"; content: "3floors tip" / ""; display: flex; align-items: center; justify-content: center; color: var(--paper-on-ink); font: 500 .8rem/1 var(--mono); letter-spacing: .06em; direction: ltr; }
    /* A small terminal window on the page grid (same edge as the headings), not a band across the screen. */
    .tip-of-day { inline-size: min(880px, calc(100% - 48px)); margin-inline: max(24px, calc((100% - 1180px) / 2)) auto; }
    @media (max-width: 820px) { .tip-of-day { inline-size: auto; margin-inline: 16px; } }
    .tip-of-day h2 { color: var(--paper); font-size: clamp(2.4rem, 4.2vw, 3.4rem); }
    .tip-of-day-meta { color: var(--paper-on-ink); }
    .tip-of-day-status { border-color: var(--accent-light); color: var(--accent-light); }
    .tip-of-day-card { max-width: 760px; margin-block-start: 18px; padding: 0; background: transparent; box-shadow: none; }
    .tip-of-day-card h3 { color: var(--paper); }
    .tip-of-day-body, .tip-of-day-body a { color: var(--paper-on-ink); }
    .tip-of-day-body a { color: var(--accent-light); }
    .tip-more { color: var(--accent-light); }
    @media (hover: hover) and (pointer: fine) { .tip-more:hover { color: var(--paper); } }
    .tip-of-day .btn-secondary { color: var(--paper); border-color: var(--paper); background: transparent; box-shadow: 0 3px 0 rgba(244, 239, 230, .35); }
    @media (hover: hover) and (pointer: fine) { .tip-of-day .btn-secondary:hover { background: var(--paper); color: var(--ink); border-color: var(--paper); box-shadow: 0 5px 0 rgba(244, 239, 230, .35); } }
    .tip-of-day :focus-visible { outline-color: var(--accent-light); }

    /* Agents demo, about, closing: paper cards instead of ink stages. */
    .demo-section { margin-inline: 0; padding-block: clamp(56px, 7vw, 96px); border-radius: 0; background: none; color: var(--ink); }
    .demo-section .section-label { color: var(--accent); }
    .demo-intro > p:last-child { color: var(--quiet); }
    .demo-section .assistant-note + .assistant-note { border-color: var(--line); }
    .demo-section .assistant-note li { color: var(--quiet); }
    .demo-section .assistant-note li::marker { color: var(--accent); }
    .demo-shell { box-shadow: var(--hard); }
    .demo-section .demo-tab { border: 1.5px solid var(--ink); background: var(--card-bg); color: var(--ink); }
    @media (hover: hover) and (pointer: fine) { .demo-section .demo-tab:hover { color: var(--ink); background: var(--band); } }
    .demo-section .demo-tab[aria-selected="true"] { border-color: var(--ink); background: var(--ink); color: var(--paper); box-shadow: none; }
    @media (hover: hover) and (pointer: fine) { .demo-section .demo-tab[aria-selected="true"]:hover { color: var(--paper); background: var(--ink); } }
    .about-box { border-radius: 22px; background: var(--card-bg); color: var(--ink); }
    .about-box::before { color: var(--accent); }
    .about-box p { color: var(--ink); }
    .about-portrait { border: var(--outline); box-shadow: var(--hard); }
    .closing { margin-inline: 0; padding-block: clamp(64px, 9vw, 120px); border: var(--outline); border-radius: 28px; background: var(--tag-apricot); color: var(--ink); box-shadow: var(--hard); }
    .closing h2 { color: var(--ink); font-size: clamp(3.4rem, 7.6vw, 7rem); }
    .closing-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-block-start: 36px; }
    .closing .btn { margin-block-start: 0; }
    .closing .btn-secondary { background: rgba(255, 255, 255, .5); }
    @media (hover: hover) and (pointer: fine) {
      .closing .btn:hover { color: var(--paper); background: var(--ink); border-color: var(--ink); }
      .closing .btn-primary:hover { background: #8A4A33; color: #fff; }
    }
    .floors-canvas-closing { opacity: .22; }
    footer { background: var(--paper); color: var(--ink); border-block-start: var(--outline); }
    .tagline { color: var(--ink); }
    .cookie-note { color: var(--accent); }
    footer :focus-visible { outline-color: var(--accent); }

    /* Search is the other screen. */
    .search-dialog { border: var(--outline); background: var(--ink); color: var(--paper); box-shadow: 0 30px 80px rgba(0, 0, 0, .4); }
    .search-box { border-color: rgba(255, 255, 255, .12); }
    .search-box svg { color: var(--paper-on-ink); }
    .search-box input { color: var(--paper); }
    .search-box input::placeholder { color: rgba(244, 239, 230, .5); }
    .search-close { border-color: rgba(255, 255, 255, .22); background: transparent; color: var(--paper-on-ink); }
    .search-results a { color: var(--paper); }
    .search-results [aria-selected="true"] a { background: var(--ink-soft); }
    .search-kind { color: var(--accent-light); }
    .search-meta, .search-empty, .search-foot { color: var(--paper-on-ink); }
    .search-foot { border-color: rgba(255, 255, 255, .12); }
    .search-foot span { color: var(--paper); }
    .search-dialog :focus-visible { outline-color: var(--accent-light); }
    .world-filter button { border: 1.5px solid var(--ink); background: var(--card-bg); }
    .world-filter button[aria-pressed="true"] { background: var(--ink); color: var(--paper); }

    /* Tip page: the short answer first, then the honesty line, then the text. Related tips keep readers in their world. */
    .tldr { display: block; max-width: 68ch; margin: 0 0 18px; font-size: clamp(1.05rem, 1.6vw, 1.18rem); }
    .tldr strong { color: var(--accent); }
    .honesty { display: inline-flex; align-items: center; gap: 8px; margin: 0 0 22px; padding: 6px 12px; border: 1.5px solid var(--ink); border-radius: 999px; font-size: .95rem; font-weight: 500; }
    .honesty::before { content: ""; inline-size: 8px; block-size: 8px; border-radius: 50%; background: var(--accent); }
    .related { max-width: 860px; margin-block-start: clamp(40px, 6vw, 64px); }
    .related-title { margin: 0 0 14px; font-family: var(--head); font-size: clamp(2.4rem, 4vw, 3.2rem); line-height: 1; }
    .related-title .accent { color: var(--accent); }
    .related-title .mono { font-size: 1rem; vertical-align: middle; color: var(--quiet); }
    .related .page-actions { margin-block-start: 18px; }
    .related .tip-list-link { padding-block: 16px; }
    .article-meta a.tag { text-decoration: none; }
    .world-page .page-lead { display: inline-block; }
    .world-page .related-title { margin-block-start: clamp(28px, 4vw, 44px); }
    .page-head .band { max-width: 60ch; }

    /* One line system: 2px ink + hard shadow for what you press, 1.5px for a static tag, a solid 1px ink rule for lists. */
    .telegram-update-list, .telegram-update-item, .tip-list, .tip-list li, .what-list, .what-item, .faq details, .pager, .guide-link, .assistant-note + .assistant-note, .breadcrumb { border-color: var(--ink); }
    .what-item:nth-child(odd) { background: transparent; }
    .faq details { border-block-end: 1px solid var(--ink); }
    .faq details:first-of-type { border-block-start: 1px solid var(--ink); }
    summary::after { inline-size: 30px; block-size: 30px; display: inline-grid; place-items: center; border: 1.5px solid var(--ink); border-radius: 50%; color: var(--ink); font-size: 1.3rem; }
    details[open] summary::after { background: var(--ink); color: var(--paper); }
    .world-filter button, .demo-tab, .copy-btn { border: var(--outline); box-shadow: var(--hard-sm); }
    .world-filter button[aria-pressed="true"], .demo-section .demo-tab[aria-selected="true"] { box-shadow: var(--hard-sm); }
    .telegram-update-link::after, .guide-link span, .tool-item h3 a::after { color: var(--accent); }
    /* Demo chat: the bubbles and the composer get the same outline as everything else. */
    .chat-head { border-block-end: 1.5px solid var(--ink); }
    .bubble { border: 1.5px solid var(--ink); }
    .bubble-user { background: var(--band); color: var(--ink); }
    .bubble-assistant { background: var(--ink); color: var(--paper); border-color: var(--ink); }
    .result-card { border: 1.5px solid var(--ink); background: var(--tag-mint); color: var(--ink); }
    .composer-wrap { border: 1.5px solid var(--ink); background: var(--card-bg); }
    /* Elevator and accessibility button: ink outline instead of glass. */
    .elevator { border: var(--outline); background: var(--card-bg); -webkit-backdrop-filter: none; backdrop-filter: none; box-shadow: var(--hard-sm); }
    .elevator a[aria-current] { color: #fff; }
    .a11y-launcher { border: var(--outline); box-shadow: var(--hard-sm); }
    /* Footer: the signature leads, the cookie line stays quiet. */
    .signature strong { color: var(--ink); }
    .cookie-note { color: var(--quiet); }
    /* Tools: readable on a phone. */
    @media (max-width: 560px) {
      .tool-list { grid-template-columns: 1fr; }
      .tool-item { gap: 10px; padding: 16px 18px; }
      .tool-item h3 { font-size: 1.1rem; }
      .tool-item h3 a { flex-direction: row; align-items: center; gap: 12px; }
      .tool-item p { font-size: .98rem; }
      .wrap { width: min(100% - 32px, 1180px); }
    }

    /* No tiny text: 14px is the floor for meta and labels, 15px for anything people read. */
    .mono, .search-kind, .search-meta, .search-close, .world-meta, .hero-hud, .article-meta, .tip-list-meta, .floor-kicker, .tip-list-link time, .pager-link span, .search-open kbd { font-size: .875rem; }
    .tag, .quick-links, .breadcrumb, .footer-links, .tagline, .cookie-note, .tip-of-day-meta, .guide-link, .tool-item p, .what-item p, .search-foot, .demo-note, .signature, .world-label span, .chip, .assistant-note li, .result-copy small, .hero-card-kicker, .tip-list-link span { font-size: .95rem; }
    .floor-nav a, .search-open { font-size: 1rem; }
    .demo-tab { font-size: .92rem; }
    @media (max-width: 560px) { .demo-tab { min-height: 44px; padding-inline: 10px; font-size: .86rem; } }

    /* Guide pages: headings, callouts, code to copy, to-do lists. */
    .guide-body h2, .guide-body h3, .guide-body h4 { margin: 1.6em 0 .5em; font-family: var(--body); font-weight: 800; line-height: 1.3; text-wrap: balance; }
    .guide-body h2 { font-size: clamp(1.5rem, 2.6vw, 1.9rem); }
    .guide-body h3 { font-size: clamp(1.25rem, 2vw, 1.45rem); }
    .guide-body h4 { font-size: 1.1rem; }
    .guide-body ol { margin: 0 0 1.2em; padding-inline-start: 1.4em; }
    .guide-body ul.todo { list-style: none; padding-inline-start: 0; }
    .guide-body ul.todo li { position: relative; padding-inline-start: 2em; }
    .guide-body ul.todo li::before { content: ""; position: absolute; inset-inline-start: 0; inset-block-start: .3em; inline-size: 1.1em; block-size: 1.1em; border: 1.5px solid var(--ink); border-radius: 5px; background: var(--tag-mint); }
    .guide-body blockquote { margin: 0 0 1.2em; padding: 12px 18px; border-inline-start: 4px solid var(--accent); background: var(--band); border-radius: 0 14px 14px 0; }
    .guide-body blockquote p { margin: 0; }
    .guide-body .callout { margin: 0 0 1.2em; padding: 14px 18px; border: 1.5px solid var(--ink); border-radius: 16px; background: var(--tag-apricot); }
    .guide-body .callout p { margin: 0 0 .5em; }
    .guide-body .callout p:last-child { margin: 0; }
    .guide-body pre { margin: 0 0 1.4em; padding: 16px 18px; overflow-x: auto; border: var(--outline); border-radius: 16px; background: var(--ink); color: var(--paper); font: 500 .9rem/1.6 var(--mono); text-align: start; white-space: pre-wrap; overflow-wrap: anywhere; }
    .guide-body code { font-family: var(--mono); font-size: .92em; }
    .guide-body p code { padding: 1px 6px; border-radius: 6px; background: var(--band); }
    .guide-body hr { margin: 2em 0; border: 0; border-block-start: 1px solid var(--ink); }
    .guide-body a { color: var(--accent); }
    .guide-body img { max-width: 100%; }

    /* Sparks from the carousels: one per section, always in the same corner. */
    .worlds-section .wrap, .guides-section .wrap, .faq-section .wrap, .ig-head, .page-head, [aria-labelledby="more-title"] .wrap, [aria-labelledby="steps-title"] .wrap, [aria-labelledby="what-title"] .wrap { position: relative; }
    .worlds-section .wrap::before, .guides-section .wrap::before, .faq-section .wrap::before, .ig-head::before, .page-head::before, [aria-labelledby="more-title"] .wrap::before, [aria-labelledby="steps-title"] .wrap::before, [aria-labelledby="what-title"] .wrap::before { content: "✦"; position: absolute; inset-block-start: -4px; inset-inline-end: -6px; color: var(--accent); font-size: 18px; line-height: 1; pointer-events: none; }
    .page-head::before { inset-inline-end: auto; inset-inline-start: -28px; }
    @media (max-width: 820px) { .page-head::before { display: none; } }

    @media (min-width: 821px) and (max-width: 1040px) { .hero-stage { grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); } }
    @media (max-width: 820px) {
      .hero-stage { grid-template-columns: 1fr; padding: 16px 0 28px; }
      .hero-art { position: relative; order: -1; inset: auto; inline-size: min(100%, 320px); block-size: auto; opacity: 1; -webkit-mask-image: none; mask-image: none; margin-inline: auto; }
      .hero h1 { text-align: center; }
      .hero .lead, .hero-actions, .quick-links { justify-content: center; }
      .hero .lead { display: block; text-align: center; }
      .worlds { grid-template-columns: 1fr; }
      .world { transform: none; }
      .closing-actions .btn { width: 100%; }
    }
    @media (max-width: 560px) {
      .search-open kbd { display: none; }
      .hero-stage { padding: 8px 0 24px; overflow: hidden; }
      .chip-home { inset-inline-end: 2%; }
      .chip-creators, .chip-business { inset-inline-start: 2%; }
    }
    @media (max-width: 380px) {
      .header-cta { padding-inline: 14px; font-size: .9rem; }
    }
    @media (max-width: 560px) {
      .hero h1 { font-size: clamp(3.6rem, 16vw, 5rem); }
      .closing { padding-block: 64px; }
    }
    @media (prefers-reduced-motion: reduce) { .world { transform: none; } .chip { animation: none; } }
    html.a11y-reduce-motion .world { transform: none; }
    @media (prefers-reduced-transparency: reduce) { .site-header::before { background: var(--paper); } }

    /* Header (v1.6 polish): one row, one height (44px), one outline language. Logo · plain links · search · follow. */
    .site-header-inner { min-height: 76px; gap: 14px; }
    .site-nav { display: none; align-items: center; gap: clamp(18px, 2.4vw, 32px); margin-inline: auto; }
    .site-nav a { position: relative; display: inline-flex; align-items: center; min-height: 44px; color: var(--ink); font-size: 1.02rem; font-weight: 600; text-decoration: none; }
    .site-nav a::after { content: ""; position: absolute; inset-inline: 0; inset-block-end: 6px; block-size: 2px; border-radius: 2px; background: var(--accent); transform: scaleX(0); transform-origin: right; transition: transform .25s var(--ease-out); }
    @media (hover: hover) and (pointer: fine) { .site-nav a:hover::after { transform: scaleX(1); } }
    .site-nav a[aria-current]::after { transform: scaleX(1); }
    .site-nav a:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; border-radius: 4px; }
    @media (min-width: 900px) { .site-nav { display: flex; } }
    .icon-btn { inline-size: 44px; min-height: 44px; block-size: 44px; justify-content: center; margin-inline-start: auto; padding: 0; border: var(--outline); border-radius: 50%; background: var(--card-bg); color: var(--ink); box-shadow: var(--hard-sm); }
    .icon-btn svg { inline-size: 19px; block-size: 19px; }
    /* Search is a pill with ⌘K (DESIGN.md §6); on touch screens and narrow windows the pill keeps only the icon. */
    .search-open.icon-btn { inline-size: auto; min-inline-size: 56px; gap: 8px; padding: 0 14px; border-radius: 999px; }
    .search-open kbd { letter-spacing: .06em; }
    @media (min-width: 900px) { .icon-btn { margin-inline-start: 0; } }
    @media (hover: hover) and (pointer: fine) { .icon-btn:hover { transform: translateY(-2px); box-shadow: 0 5px 0 var(--ink); } }
    .header-cta { min-height: 44px; padding-inline: 18px; }
    .search-open + .header-cta { margin-inline-start: 0; }
    .brand { width: 132px; }

    /* Hero (v1.6 polish): a balanced pair. The building fills its column; each world label is pinned to its floor. */
    .hero-stage { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(16px, 3vw, 40px); padding-block: clamp(16px, 3vw, 40px); }
    .hero-art { inline-size: min(100%, 600px); }
    .has-floor-labels .chip { inset: 0 auto auto 0; rotate: 0deg; opacity: 0; animation: none; transition: box-shadow .2s var(--ease-out), background-color .2s ease; }
    .has-floor-labels .chip.is-active { box-shadow: 0 5px 0 var(--ink); }
    .has-floor-labels .chip::before { content: ""; inline-size: 8px; block-size: 8px; margin-inline-end: 8px; border-radius: 50%; background: var(--ink); opacity: .25; transition: opacity .2s ease, background-color .2s ease; }
    .has-floor-labels .chip.is-active::before { opacity: 1; background: var(--accent); }
    @media (max-width: 820px) {
      .hero-stage { grid-template-columns: 1fr; }
      /* a wide, short stage: the building keeps its size but takes less height, so the headline and buttons reach the first screen */
      .hero-art { inline-size: min(100%, 340px); aspect-ratio: 3 / 2; }
      .hero-hud { margin-block-end: 12px; }
    }
    .hero-stage { inline-size: min(1180px, calc(100% - 48px)); margin-inline: auto; }
    @media (max-width: 560px) { .hero-stage { inline-size: calc(100% - 32px); } }

    /* ===== mascot rig (copy this block + the <svg> into any page) ===== */
      .mascot{
        --body:#FBF6EC; --ink:#22201E; --accent:#A45F43;
        --paper:#F4EFE6; --sky:#BBDDF7; --look-x:0px; --look-y:0px;
        display:block; width:100%; height:auto; overflow:visible;
      }
      /* content worlds */
      .mascot.world-home{--body:#FFDF9C}
      .mascot.world-creators{--body:#FFBFA0}
      .mascot.world-business{--body:#D6CFC2}
      /* situation colors (only when no world is set) */
      .mascot:not(.world-home,.world-creators,.world-business):is(.is-thinking,.is-loading){--body:#C7AAEE}
      .mascot:not(.world-home,.world-creators,.world-business).is-happy{--body:#FFAAC0}
      .mascot.no-ground .m-ground, .mascot.no-sparkles .m-sparkle{display:none}
      .mascot .m-fill{transition:fill .45s ease}
    
      .mascot .m-char{transform-origin:200px 350px}
      .mascot .m-breath{transform-origin:200px 335px; animation:m-breathe 3.6s ease-in-out infinite}
      .mascot .m-eyes-pos{transform:translate(var(--look-x),var(--look-y)); transition:transform .25s ease-out}
      .mascot .m-eyes{transform-box:fill-box; transform-origin:center; animation:m-blink 5.2s infinite}
      .mascot .m-tilt{transition:transform .25s ease-out}
      .mascot .m-iris{rx:9.5px; ry:10.5px; transition:rx .25s ease-out, ry .25s ease-out, opacity .15s}
      .mascot :is(.m-arc,.m-lid,.m-glint){opacity:0; transition:opacity .15s}
      .mascot .m-arm-l{transform-origin:90px 236px; transition:transform .3s cubic-bezier(.3,1.4,.6,1)}
      .mascot .m-arm-r{transform-origin:310px 236px; transition:transform .3s cubic-bezier(.3,1.4,.6,1)}
      .mascot .m-nose{transition:opacity .15s}
      .mascot :is(.m-mouth,.m-smile,.m-o){transform-box:fill-box; transform-origin:center top; opacity:0}
      .mascot .m-lobe{opacity:0}
      .mascot .m-sparkle{transform-box:fill-box; transform-origin:center}
      .mascot .m-zzz,.mascot .m-drop,.mascot .m-card{opacity:0}
      .mascot .m-zzz text{font:700 30px Assistant,Arial,sans-serif; fill:var(--ink)}
    
      @keyframes m-breathe{0%,100%{transform:scale(1,1)} 50%{transform:scale(1.012,1.028)}}
      @keyframes m-blink{0%,93%,100%{transform:scaleY(1)} 96%{transform:scaleY(.08)}}
      @keyframes m-wave{0%,100%{transform:rotate(0)} 25%{transform:rotate(-120deg)} 50%{transform:rotate(-95deg)} 75%{transform:rotate(-125deg)}}
      @keyframes m-tilt{0%,100%{transform:rotate(0)} 50%{transform:rotate(-3deg)}}
      @keyframes m-lobe{0%,100%{opacity:0} 40%{opacity:.6}}
      @keyframes m-talk{from{transform:scaleY(.25)} to{transform:scaleY(1)}}
      @keyframes m-bob{0%,100%{transform:translateY(0)} 50%{transform:translateY(-3px)}}
      @keyframes m-jump{0%,100%{transform:translateY(0) scale(1,1)} 18%{transform:translateY(5px) scale(1.07,.9)} 55%{transform:translateY(-38px) scale(.95,1.07)} 85%{transform:translateY(0) scale(1.05,.95)}}
      @keyframes m-twinkle{0%{transform:scale(.3); opacity:0} 40%{transform:scale(1.5); opacity:1} 100%{transform:scale(1); opacity:1}}
      @keyframes m-float{0%{opacity:0; transform:translate(0,0)} 20%{opacity:1} 100%{opacity:0; transform:translate(10px,-40px)}}
      @keyframes m-drip{0%{opacity:0; transform:translateY(-6px)} 20%{opacity:1} 100%{opacity:0; transform:translateY(22px)}}
      @keyframes m-shake{0%,100%{transform:translateX(0)} 25%{transform:translateX(-5px)} 75%{transform:translateX(5px)}}
      @keyframes m-read{0%,100%{transform:translate(-5px,8px)} 50%{transform:translate(5px,8px)}}
    
      /* eyes per situation */
      .mascot:is(.is-hello,.is-happy) :is(.m-iris,.m-nose){opacity:0}
      .mascot:is(.is-hello,.is-happy) .m-arc{opacity:1}
      .mascot:is(.is-hello,.is-happy,.is-sleeping,.is-error) .m-eyes{animation:none}
      .mascot.is-thinking .m-eye-r .m-iris{rx:7.5px; ry:8.5px}
      .mascot.is-reading .m-iris{rx:8px; ry:12.5px}
      .mascot.is-loading .m-iris{rx:4.5px; ry:12px}
      .mascot.is-loading .m-eye-l .m-tilt{transform:rotate(22deg)}
      .mascot.is-loading .m-eye-r .m-tilt{transform:rotate(-22deg)}
      .mascot.is-error .m-iris{rx:12.5px; ry:13.5px}
      .mascot.is-error .m-glint{opacity:1}
      .mascot.is-sleeping .m-iris{opacity:0}
      .mascot.is-sleeping .m-lid{opacity:1}
    
      .mascot.is-hello .m-arm-r{animation:m-wave .9s ease-in-out 3}
      .mascot.is-hello .m-char{animation:m-tilt .9s ease-in-out 3}
      .mascot.is-hello .m-smile{opacity:1}
    
      .mascot.is-thinking{--look-x:6px; --look-y:-7px}
      .mascot.is-thinking .m-lobe{animation:m-lobe 1.6s ease-in-out infinite}
      .mascot.is-thinking .m-lobe:nth-child(2){animation-delay:.27s}
      .mascot.is-thinking .m-lobe:nth-child(3){animation-delay:.54s}
    
      .mascot.is-talking .m-nose{opacity:0}
      .mascot.is-talking .m-mouth{opacity:1; animation:m-talk .3s ease-in-out infinite alternate}
      .mascot.is-talking .m-char{animation:m-bob 1.2s ease-in-out infinite}
    
      .mascot.is-happy .m-char{animation:m-jump .75s cubic-bezier(.3,0,.2,1) 2}
      .mascot.is-happy .m-smile{opacity:1}
      .mascot.is-happy .m-sparkle{animation:m-twinkle .75s ease-out 2}
      .mascot.is-happy .m-sparkles > g:nth-child(2) .m-sparkle{animation-delay:.1s}
      .mascot.is-happy .m-sparkles > g:nth-child(3) .m-sparkle{animation-delay:.2s}
    
      .mascot.is-sleeping .m-breath{animation-duration:5.5s}
      .mascot.is-sleeping .m-zzz{opacity:1}
      .mascot.is-sleeping .m-zzz text{animation:m-float 2.6s ease-out infinite}
      .mascot.is-sleeping .m-zzz text:nth-child(2){animation-delay:.85s}
      .mascot.is-sleeping .m-zzz text:nth-child(3){animation-delay:1.7s}
    
      .mascot.is-pointing{--look-x:8px}
      .mascot.is-pointing .m-arm-r{transform:rotate(-84deg)}
      .mascot.is-pointing-left{--look-x:-8px}
      .mascot.is-pointing-left .m-arm-l{transform:rotate(84deg)}
    
      .mascot.is-error .m-nose{opacity:0}
      .mascot.is-error .m-o{opacity:1}
      .mascot.is-error .m-drop{opacity:1; animation:m-drip 1.3s ease-in infinite}
      .mascot.is-error .m-char{animation:m-shake .4s ease-in-out 2}
    
      .mascot.is-reading .m-card{opacity:1}
      .mascot.is-reading .m-arm-l{transform:rotate(-70deg)}
      .mascot.is-reading .m-arm-r{transform:rotate(70deg)}
      .mascot.is-reading .m-eyes-pos{animation:m-read 2.2s ease-in-out infinite}
    
      .mascot.is-loading{--look-y:3px}
      .mascot.is-loading .m-lobe{animation:m-lobe .9s ease-in-out infinite}
      .mascot.is-loading .m-lobe:nth-child(2){animation-delay:.15s}
      .mascot.is-loading .m-lobe:nth-child(3){animation-delay:.3s}
      .mascot.is-loading .m-breath{animation-duration:1.4s}
    
      @media (prefers-reduced-motion:reduce){
        .mascot :is(.m-breath,.m-char,.m-arm-l,.m-arm-r,.m-lobe,.m-sparkle,.m-zzz text,.m-drop,.m-eyes-pos,.m-iris,.m-tilt){animation:none !important; transition:none !important}
        .mascot .m-eyes{animation:m-blink 5.2s infinite !important}
        .mascot:is(.is-hello,.is-happy,.is-sleeping,.is-error) .m-eyes{animation:none !important}
      }
      /* ===== end rig ===== */
    /* the site's own reduce-motion switch stops the mascot too; only the blink stays (DESIGN.md §7) */
    .a11y-reduce-motion .mascot :is(.m-breath,.m-char,.m-arm-l,.m-arm-r,.m-lobe,.m-sparkle,.m-zzz text,.m-drop,.m-eyes-pos,.m-iris,.m-tilt) { animation: none !important; transition: none !important; }
    .a11y-reduce-motion .mascot .m-eyes { animation: m-blink 5.2s infinite !important; }
    .a11y-reduce-motion .mascot:is(.is-hello,.is-happy,.is-sleeping,.is-error) .m-eyes { animation: none !important; }

    /* Small Trio: thinking beside an empty search, happy for a second after a copy. */
    .trio-mini { display: inline-block; flex: 0 0 auto; inline-size: 56px; }
    .trio-mini .mascot { display: block; inline-size: 100%; block-size: auto; }
    .trio-mini .mascot.is-thinking { --body: #FBF6EC; }
    .search-empty { display: flex; align-items: center; gap: 14px; }
    .search-empty-copy { display: flex; flex-direction: column; gap: 4px; }
    .search-empty-worlds { display: flex; flex-wrap: wrap; gap: 4px 14px; }
    .search-results .search-empty-worlds a { display: inline-flex; align-items: center; min-block-size: 44px; padding: 0; color: var(--accent-light); font-weight: 700; text-underline-offset: 4px; }
    .trio-copy { position: absolute; pointer-events: none; }

    /* Follow nudge right after the tip of the day (on the dark tip band). */
    .tip-follow { margin: 22px 0 0; color: var(--paper); font-weight: 500; }
    .tip-follow a { display: inline-flex; align-items: center; min-height: 44px; color: var(--accent-light); font-weight: 700; text-underline-offset: 5px; }

    /* Phones: the four main links sit in a second header row, so tips, guides, worlds and about are one tap away. */
    @media (max-width: 899px) {
      .site-header-inner { flex-wrap: wrap; row-gap: 0; }
      .site-nav { display: flex; order: 3; flex-basis: 100%; justify-content: space-between; gap: 8px; margin: 0; }
      .site-nav a { font-size: .98rem; }
    }

    /* Phones: the accessibility button is smaller and stays clear of full-width buttons' text. */
    @media (max-width: 820px) {
      .a11y-launcher { inline-size: 44px; block-size: 44px; }
      .a11y-launcher svg { inline-size: 23px; block-size: 23px; }
    }