@layer reset, theme, components, responsive;
@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body { margin: 0; }
  button, input, textarea { font: inherit; }
  button, a { -webkit-tap-highlight-color: transparent; }
  button { cursor: pointer; }
  a { color: inherit; text-decoration: none; }
  img, svg { display: block; max-width: 100%; }
  h1, h2, h3, p { margin: 0; }
  button { color: inherit; }
  button:disabled { cursor: default; }
  [hidden] { display: none !important; }
}
@layer theme {
  :root {
    --bg: #080e1b; --ink: #f2f6ff; --muted: #b4c2d8; --quiet: #96a9c3;
    --surface: #142136; --glass: rgba(25,39,62,.66); --strong: #19283e;
    --line: rgba(187,209,241,.15); --line-bright: rgba(208,226,255,.24);
    --accent: #b9a8ff; --accent-soft: rgba(185,168,255,.13); --mint: #85e0c4;
    --shadow: 0 20px 60px rgba(0,0,0,.18); --gradient: linear-gradient(108deg, #cbbfff 12%, #a1c8ff 60%, #8ce8d7);
    --backdrop: blur(18px); --radius: 26px;
  }
  :root[data-theme=light] {
    --bg: #eaf1fa; --ink: #101f34; --muted: #465974; --quiet: #536980;
    --surface: #f9fcff; --glass: rgba(249,252,255,.82); --strong: #f7faff;
    --line: rgba(63,85,118,.18); --line-bright: rgba(63,85,118,.3);
    --accent: #6651a8; --accent-soft: rgba(102,81,168,.1); --mint: #006957;
    --shadow: 0 20px 60px rgba(23,57,101,.07); --gradient: linear-gradient(108deg, #6f4eb1, #3269aa 64%, #006e60);
  }
  :root[data-accent=mint] { --accent: #85e0c4; --accent-soft: rgba(133,224,196,.13); }
  :root[data-accent=blue] { --accent: #8dbfff; --accent-soft: rgba(141,191,255,.13); }
  :root[data-accent=cyan] { --accent: #73e1e8; --accent-soft: rgba(115,225,232,.13); }
  :root[data-theme=light][data-accent=mint] { --accent: #006957; --accent-soft: rgba(0,105,87,.09); }
  :root[data-theme=light][data-accent=blue] { --accent: #2559a8; --accent-soft: rgba(37,89,168,.09); }
  :root[data-theme=light][data-accent=cyan] { --accent: #006872; --accent-soft: rgba(0,104,114,.09); }
  :root[data-glass=off] { --glass: var(--surface); --backdrop: none; }
  body { font-family: 'Segoe UI Variable', 'Segoe UI', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, sans-serif; color: var(--ink); background: var(--bg); font-size: 15px; line-height: 1.65; overflow-wrap: break-word; }
  h1, h2, h3 { font-weight: 650; line-height: 1.13; letter-spacing: -.035em; }
  h1 { font-size: clamp(40px, 4.3vw, 66px); }
  h2 { font-size: clamp(26px, 2.5vw, 38px); }
  h3 { font-size: 29px; }
  p { color: var(--muted); }
  ::selection { background: var(--accent); color: var(--bg); }
  :focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
  main:focus { outline: none; }
  .icon { width: 22px; height: 22px; flex-shrink: 0; }
}
@layer components {
  .ambient { position: fixed; inset: 0; z-index: -1; pointer-events: none; background: radial-gradient(ellipse at 76% 15%, rgba(124,79,192,.15), transparent 48%), radial-gradient(ellipse at 0% 65%, rgba(47,128,138,.12), transparent 55%); }
  .ambient::after { content: ''; position: absolute; inset: 0; opacity: .025; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 180 180'%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' opacity='.7' filter='url(%23n)'/%3E%3C/svg%3E"); }
  .glass { background: linear-gradient(130deg, rgba(255,255,255,.035), transparent 65%), var(--glass); border: 1px solid var(--line); border-top-color: var(--line-bright); border-radius: var(--radius); backdrop-filter: var(--backdrop); -webkit-backdrop-filter: var(--backdrop); box-shadow: var(--shadow); }
  .topbar { position: sticky; top: 20px; z-index: 20; margin: 20px 24px 0; padding: 12px 20px; min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 20px; border-radius: 24px; }
  .brand { display: flex; align-items: center; gap: 17px; flex-shrink: 0; }
  .wordmark { width: 148px; height: 45px; padding: 7px 10px; border-radius: 13px; display: flex; align-items: center; background: #f8f8f8; }
  .wordmark svg { width: 100%; height: 100%; }
  .brand-subtitle { font-size: 14px; font-weight: 600; line-height: 1.5; }
  .brand-subtitle span { display: block; color: var(--muted); font-size: 11px; font-weight: 400; letter-spacing: .02em; }
  .header-actions { display: flex; align-items: center; gap: 14px; }
  .version-badge { display: flex; align-items: center; gap: 7px; font-size: 12px; color: var(--muted); white-space: nowrap; }
  .status-dot, .live-dot { display: inline-block; width: 6px; height: 6px; background: var(--mint); border-radius: 50%; flex-shrink: 0; }
  .live-dot { width: 5px; height: 5px; box-shadow: 0 0 0 4px rgba(133,224,196,.07); }
  .icon-button { border: 1px solid transparent; width: 46px; height: 46px; border-radius: 15px; background: transparent; display: grid; place-items: center; color: var(--muted); transition: background .2s, color .2s; flex-shrink: 0; }
  .icon-button:hover { background: var(--accent-soft); color: var(--ink); }
  .mobile-menu { display: none; }
  .button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; background: var(--accent); color: #101b2c; border: 1px solid transparent; border-radius: 16px; padding: 13px 20px; min-height: 48px; line-height: 1.4; font-size: 14px; font-weight: 650; transition: transform .18s, box-shadow .18s, background .18s; text-align: center; }
  [data-theme=light] .button { color: #fff; }
  .button:hover { transform: translateY(-2px); box-shadow: 0 8px 25px var(--accent-soft); }
  .button:disabled { opacity: .5; transform: none; box-shadow: none; }
  .button .icon { width: 18px; height: 18px; }
  .button-small { min-height: 44px; padding: 10px 18px; border-radius: 14px; font-size: 13px; }
  .button.secondary { background: transparent; color: var(--accent); border: 1px solid var(--line-bright); }
  .actions { display: flex; flex-wrap: wrap; align-items: center; gap: 20px; }
  .text-link { display: inline-flex; gap: 10px; align-items: center; color: var(--accent); font-weight: 600; font-size: 14px; background: transparent; border: none; min-height: 44px; padding: 2px 0; }
  .text-link .icon { width: 18px; height: 18px; transition: transform .18s; }
  .text-link:hover .icon { transform: translateX(4px); }
  .layout { display: grid; grid-template-columns: 92px minmax(0,1fr); gap: 34px; margin: 26px 24px 0; }
  .sidebar { position: sticky; top: 124px; height: fit-content; max-height: calc(100dvh - 142px); padding: 10px 7px; display: flex; flex-direction: column; border-radius: 26px; overflow-y: auto; box-shadow: none; }
  .nav-list { display: grid; gap: 4px; }
  .nav-item { display: flex; align-items: center; flex-direction: column; gap: 8px; padding: 14px 2px; min-height: 75px; color: var(--muted); font-size: 10px; line-height: 1.1; border: 1px solid transparent; border-radius: 19px; transition: color .15s, background .15s; }
  .nav-item .icon { width: 23px; height: 23px; }
  .nav-item:hover { background: var(--accent-soft); color: var(--ink); }
  .nav-item.active { background: var(--accent-soft); color: var(--accent); border-color: rgba(185,168,255,.22); }
  .rail-bottom { color: var(--quiet); font-size: 6px; line-height: 1.8; letter-spacing: 1px; text-align: center; padding: 15px 0 10px; }
  .rail-line { display: block; height: 1px; width: 22px; margin: 0 auto 16px; background: var(--line); }
  main { width: 100%; max-width: 1480px; margin: 0 auto; min-height: 68vh; padding: 12px 20px 0 0; }
  .eyebrow { color: var(--accent); text-transform: uppercase; letter-spacing: .19em; font-size: 10px; font-weight: 700; line-height: 1.6; }
  .lead { font-size: 17px; line-height: 1.75; max-width: 690px; }
  .muted, .capture-note { color: var(--quiet); font-size: 12px; }
  .hero { display: grid; grid-template-columns: .88fr 1.12fr; align-items: center; gap: 48px; min-height: 610px; padding: 16px 0 40px; overflow: clip; }
  .hero-copy { display: flex; flex-direction: column; align-items: flex-start; gap: 22px; }
  .hero h1 { font-size: clamp(44px, 4.7vw, 72px); line-height: 1.045; letter-spacing: -.05em; }
  .gradient-text { background: var(--gradient); color: transparent; background-clip: text; -webkit-background-clip: text; }
  .hero-motto { color: var(--ink); font-size: 17px; max-width: 410px; }
  .hero-description { max-width: 410px; font-size: 14px; line-height: 1.85; }
  .hero .actions { gap: 16px; margin-top: 8px; }
  .hero-note { color: var(--quiet); display: flex; align-items: baseline; gap: 8px; font-size: 10px; margin-top: 6px; }
  .tiny-orbit { display: inline-block; vertical-align: middle; width: 17px; height: 12px; border: 1px solid var(--accent); border-radius: 50%; transform: rotate(-25deg); margin-right: 9px; }
  .hero-visual { position: relative; min-width: 0; padding: 48px 0 0; }
  .orbit-ring { position: absolute; width: 118%; height: 100%; left: -7%; top: -16px; border: 1px solid var(--line); border-radius: 50%; transform: rotate(-23deg); z-index: -1; }
  .orbit-ring::before { content: ''; width: 8px; height: 8px; position: absolute; right: 22%; top: 8%; background: var(--accent); border-radius: 50%; box-shadow: 0 0 25px var(--accent); }
  .visual-label { display: flex; gap: 10px; align-items: center; color: var(--accent); font-size: 9px; letter-spacing: .16em; margin: 0 16px 16px; }
  .visual-label > span:last-child { color: var(--quiet); margin-left: auto; letter-spacing: 0; font-size: 10px; }
  .app-window { display: block; padding: 0; width: 100%; overflow: hidden; border-radius: 20px; background: var(--strong); box-shadow: 0 25px 90px rgba(0,0,0,.26), 0 0 70px rgba(128,90,205,.1); transform: perspective(1600px) rotateY(-6deg) rotateX(3deg); transition: transform .25s; }
  .app-window:hover { transform: perspective(1600px) rotateY(-2deg); }
  .window-bar { height: 34px; display: flex; align-items: center; justify-content: space-between; padding: 0 14px; border-bottom: 1px solid var(--line); font-size: 9px; color: var(--quiet); }
  .window-dots { display: flex; gap: 4px; }
  .window-dots i { width: 5px; height: 5px; border-radius: 50%; background: var(--line-bright); }
  .window-dots i:first-child { background: var(--accent); }
  .app-window img { width: 100%; height: auto; }
  .visual-bottom { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin: 30px 18px 0; }
  .visual-bottom > span:first-child { font-size: 11px; color: var(--quiet); letter-spacing: .01em; line-height: 1.7; }
  .visual-bottom strong { font-weight: 500; color: var(--ink); }
  .floating-mark { padding: 9px 13px; width: 96px; border-radius: 15px; background: #f8f8f8; box-shadow: 0 12px 35px rgba(0,0,0,.15); transform: rotate(-5deg); }
  .floating-mark svg { width: 100%; height: 30px; }
  .intro-strip { display: flex; justify-content: space-around; gap: 20px; flex-wrap: wrap; padding: 22px 28px; border-radius: 22px; box-shadow: none; }
  .intro-strip > span { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 12px; }
  .intro-strip .icon { color: var(--accent); width: 19px; height: 19px; }
  .home-content { margin: 82px 0 60px; }
  .editorial-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 42px; margin-bottom: 32px; }
  .editorial-heading h2 { margin-top: 12px; font-size: 40px; }
  .editorial-heading > p { max-width: 355px; font-size: 14px; }
  .bento-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
  .bento-card { display: flex; flex-direction: column; align-items: flex-start; padding: 30px; position: relative; transition: border-color .2s, transform .2s; overflow: hidden; }
  .bento-card:hover { transform: translateY(-3px); border-color: var(--line-bright); }
  .card-icon { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 15px; background: var(--accent-soft); color: var(--accent); flex-shrink: 0; }
  .bento-card .card-icon { position: absolute; top: 30px; right: 30px; }
  .bento-card .eyebrow { margin-bottom: 17px; padding-right: 45px; }
  .bento-card h3 { margin-bottom: 16px; }
  .bento-card > p:not(.eyebrow) { font-size: 13px; max-width: 420px; }
  .card-link { display: flex; align-items: center; gap: 12px; color: var(--accent); font-size: 12px; font-weight: 600; margin-top: 24px; }
  .card-link .icon { width: 17px; height: 17px; }
  .chat-sample { align-self: center; border: 1px solid var(--line); border-radius: 20px 20px 20px 6px; margin: 24px 0 0; padding: 16px 24px; color: var(--ink); display: flex; flex-wrap: wrap; align-items: center; gap: 13px; background: var(--accent-soft); width: 87%; font-size: 14px; }
  .chat-sample small { width: 100%; color: var(--quiet); font-size: 9px; }
  .sample-dot { width: 7px; height: 7px; background: var(--mint); border-radius: 50%; }
  .social-visual { display: flex; align-items: center; gap: 13px; width: 100%; justify-content: center; margin: 39px 0 19px; }
  .social-visual > span { display: grid; place-items: center; width: 55px; height: 55px; border: 1px solid var(--line-bright); background: var(--accent-soft); border-radius: 20px; color: var(--accent); transform: rotate(-6deg); }
  .social-visual > span:nth-of-type(2) { transform: rotate(5deg); color: var(--mint); }
  .social-visual > i { width: 25px; height: 1px; background: var(--line-bright); }
  .progress-card { grid-column: 1/-1; }
  .progress-card h3 br { display: none; }
  .progress-card > p:not(.eyebrow) { max-width: 650px; }
  .validation-pills { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 20px; }
  .validation-pills span, .pill { font-size: 11px; display: inline-flex; align-items: center; border: 1px solid var(--line); color: var(--accent); background: var(--accent-soft); border-radius: 50px; padding: 6px 11px; width: fit-content; }
  .closing-panel { display: flex; align-items: center; justify-content: space-between; gap: 40px; padding: 38px; margin-top: 50px; }
  .closing-panel h2 { margin-top: 10px; }
  .closing-panel > div:last-child { max-width: 310px; }
  .closing-panel p:not(.eyebrow) { font-size: 13px; margin-bottom: 18px; }
  .section-head { padding: 38px 0 42px; }
  .section-head h1 { margin: 15px 0 20px; }
  .search-field { display: flex; gap: 12px; align-items: center; border: 1px solid var(--line-bright); border-radius: 17px; padding: 12px 16px; margin-bottom: 28px; max-width: 540px; background: var(--glass); color: var(--quiet); }
  .search-field input { background: transparent; border: none; color: var(--ink); min-width: 0; width: 100%; padding: 3px; }
  .search-field:focus-within { outline: 2px solid var(--accent); outline-offset: 2px; }
  .search-field input:focus-visible { outline: none; }
  .search-field input::placeholder { color: var(--quiet); }
  .features-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
  .feature-card { padding: 28px; display: flex; flex-direction: column; align-items: flex-start; }
  .feature-card .eyebrow { margin: 22px 0 8px; }
  .feature-card h2 { font-size: 25px; margin-bottom: 15px; }
  .feature-card > p:not(.eyebrow) { font-size: 13px; flex-grow: 1; }
  .feature-card details { width: 100%; margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--line); }
  details > summary { list-style: none; cursor: pointer; min-height: 44px; display: flex; align-items: center; justify-content: space-between; gap: 14px; }
  details > summary::-webkit-details-marker { display: none; }
  .feature-card summary { color: var(--accent); font-size: 11px; }
  .feature-card summary .icon { width: 17px; height: 17px; }
  .feature-card details[open] summary .icon { transform: rotate(90deg); }
  .feature-card details p { font-size: 12px; padding-top: 10px; }
  #feature-count { margin: 20px 3px; }
  .empty-state { padding: 30px; grid-column: 1/-1; }
  .empty-state p { margin-top: 10px; }
  .studio-demo { display: grid; grid-template-columns: .85fr 1.15fr; gap: 50px; margin-top: 60px; padding: 36px; }
  .studio-demo h2 { margin: 12px 0 20px; }
  .studio-demo > div:first-child > p:not(.eyebrow) { font-size: 13px; margin-bottom: 20px; max-width: 330px; }
  .studio-controls { display: flex; flex-direction: column; gap: 12px; }
  .studio-controls > label { font-size: 13px; font-weight: 500; }
  textarea { background: var(--surface); border: 1px solid var(--line-bright); border-radius: 15px; padding: 15px; width: 100%; resize: vertical; min-height: 100px; max-height: 300px; color: var(--ink); font-size: 14px; }
  .demo-options { display: flex; flex-wrap: wrap; gap: 12px 22px; color: var(--muted); font-size: 12px; }
  .demo-options label, .switch-option { display: flex; align-items: center; gap: 9px; min-height: 44px; cursor: pointer; }
  input[type=checkbox] { width: 18px; height: 18px; accent-color: var(--accent); flex-shrink: 0; }
  .preview-bubble { border: 1px solid var(--line); background: var(--accent-soft); border-radius: 18px 18px 18px 5px; padding: 19px; }
  .preview-bubble p { color: var(--ink); white-space: pre-wrap; font-size: 15px; }
  .preview-bubble span { display: block; font-size: 10px; color: var(--quiet); margin-top: 10px; }
  .studio-controls .button { align-self: flex-start; }
  .gallery-tabs { display: flex; flex-wrap: wrap; gap: 7px; padding: 6px; border: 1px solid var(--line); background: var(--glass); border-radius: 20px; width: fit-content; margin-bottom: 32px; }
  .gallery-tab { background: transparent; border: 1px solid transparent; border-radius: 14px; padding: 12px 18px; min-height: 46px; color: var(--muted); font-size: 13px; }
  .gallery-tab.active { color: var(--accent); background: var(--accent-soft); border-color: var(--line); }
  .gallery-tab:hover { color: var(--ink); }
  .gallery-title { display: flex; justify-content: space-between; gap: 30px; align-items: center; margin-bottom: 24px; }
  .gallery-title h2 { font-size: 26px; margin-bottom: 10px; }
  .gallery-title p { font-size: 13px; }
  .gallery-title .button { flex-shrink: 0; }
  .gallery-image { padding: 0; width: 100%; display: block; overflow: hidden; border-radius: 22px; }
  .gallery-image img { width: 100%; height: auto; }
  .capture-note { margin-top: 16px; }
  .appearance-panel { display: flex; gap: 40px; align-items: center; justify-content: space-between; margin-top: 55px; padding: 30px; }
  .appearance-panel h2 { font-size: 26px; margin: 10px 0 12px; }
  .appearance-panel p:not(.eyebrow) { font-size: 13px; }
  .appearance-controls { min-width: 230px; }
  fieldset { border: none; padding: 0; margin: 0; }
  legend { color: var(--muted); font-size: 12px; padding: 0; }
  .swatches { display: flex; gap: 10px; margin: 12px 0; }
  .swatch { width: 46px; height: 46px; border: 4px solid var(--surface); border-radius: 50%; outline: 1px solid var(--line); }
  .swatch[aria-pressed=true] { outline: 2px solid var(--ink); outline-offset: 2px; }
  .swatch.violet { background: #b9a8ff; }.swatch.mint { background: #85e0c4; }.swatch.blue { background: #8dbfff; }.swatch.cyan { background: #73e1e8; }
  .switch-option { font-size: 12px; color: var(--muted); }
  .store-panel { display: grid; grid-template-columns: .8fr 1.2fr; gap: 50px; padding: 42px; align-items: center; }
  .store-art { padding: 27px; background: #f8f8f8; border-radius: 26px; transform: rotate(-3deg); max-width: 320px; box-shadow: 0 20px 50px rgba(0,0,0,.15); }
  .store-art svg { width: 100%; height: 140px; }
  .store-panel h2 { margin: 13px 0 20px; }
  .store-panel p:not(.eyebrow) { margin-bottom: 20px; max-width: 500px; }
  .store-panel .muted { margin-top: 20px; margin-bottom: 0 !important; }
  .store-pending { display: inline-flex; align-items: center; gap: 10px; padding: 12px 16px; border: 1px solid var(--line-bright); border-radius: 15px; color: var(--accent); font-size: 13px; }
  .two-column { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 26px; }
  .info-panel { padding: 30px; }
  .info-panel h2 { margin: 12px 0 20px; font-size: 26px; }
  .info-panel p:not(.eyebrow) { font-size: 13px; }
  .info-panel .button { margin-top: 23px; }
  .info-panel > img { height: auto; margin-top: 26px; border-radius: 16px; }
  dl { margin: 20px 0; font-size: 12px; }
  dl > div { display: flex; justify-content: space-between; gap: 20px; padding: 12px 0; border-bottom: 1px solid var(--line); }
  dt { color: var(--ink); font-weight: 500; } dd { margin: 0; text-align: right; color: var(--muted); }
  .roadmap-summary { padding: 32px; display: flex; align-items: center; gap: 40px; justify-content: space-between; margin-bottom: 40px; }
  .roadmap-summary h2 { font-size: 27px; margin: 12px 0 16px; }
  .roadmap-summary p:not(.eyebrow) { font-size: 13px; max-width: 530px; }
  .test-numbers { display: flex; gap: 30px; flex-shrink: 0; }
  .test-numbers > span { display: flex; flex-direction: column; font-size: 10px; color: var(--quiet); max-width: 110px; }
  .test-numbers strong { color: var(--accent); font-size: 44px; font-weight: 550; line-height: 1.3; letter-spacing: -.06em; }
  .timeline { list-style: none; padding: 0; margin: 0; display: grid; gap: 18px; }
  .timeline-row { display: grid; grid-template-columns: 60px 1fr; gap: 22px; position: relative; }
  .timeline-row::before { content: ''; position: absolute; left: 29px; width: 1px; background: var(--line); top: 0; bottom: -20px; z-index: -1; }
  .timeline-row:last-child::before { bottom: 35px; }
  .milestone { background: var(--surface); border: 1px solid var(--line); height: 60px; border-radius: 20px; display: grid; place-items: center; color: var(--muted); font-size: 15px; font-weight: 600; margin-top: 15px; }
  .timeline-row.current .milestone { border-color: var(--accent); color: var(--accent); }
  .timeline-row.current article { border-color: var(--line-bright); background: linear-gradient(120deg, var(--accent-soft), transparent), var(--glass); }
  .timeline-row article { padding: 26px 30px; }
  .timeline-title { display: flex; align-items: center; gap: 20px; justify-content: space-between; }
  .timeline-title h2 { font-size: 23px; }
  .timeline-row p { margin: 12px 0 14px; font-size: 13px; }
  .timeline-status { font-size: 11px; color: var(--accent); }
  .disclosure { font-size: 12px; line-height: 1.8; margin-top: 35px; max-width: 850px; }
  .partners-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
  .partner-card { padding: 34px; display: flex; align-items: flex-start; flex-direction: column; }
  .partner-emblem { display: grid; place-items: center; width: 65px; height: 65px; border-radius: 21px; margin-bottom: 25px; background: var(--accent-soft); color: var(--accent); border: 1px solid var(--line-bright); }
  .partner-emblem .icon { width: 29px; height: 29px; }
  .partner-emblem.arkana { color: var(--mint); }
  .partner-card h2 { font-size: 32px; margin: 12px 0 17px; }
  .partner-card > p:not(.eyebrow) { font-size: 14px; }
  .partner-card .actions { margin-top: auto; padding-top: 30px; gap: 12px 24px; }
  .partner-readme { background: var(--accent-soft); border: 1px solid var(--line); border-radius: 20px; padding: 20px; margin: 24px 0 0; width: 100%; }
  .partner-readme .eyebrow { font-size: 9px; }
  .partner-readme p { font-size: 12px; line-height: 1.85; margin: 12px 0 14px; }
  .partner-readme .muted { display: block; font-size: 10px; }
  .arkana-art { width: 100%; height: 190px; position: relative; display: grid; place-items: center; margin-top: 25px; overflow: hidden; }
  .arkana-art > .icon { width: 76px; height: 76px; stroke-width: .65; color: var(--mint); }
  .arkana-orbit { position: absolute; height: 140px; width: 225px; border: 1px solid var(--line-bright); border-radius: 50%; transform: rotate(-25deg); }
  .arkana-orbit::after { content: ''; position: absolute; inset: 15px -12px; border: 1px solid var(--line); border-radius: 50%; transform: rotate(55deg); }
  .help-callout { display: flex; align-items: center; gap: 25px; padding: 30px; margin-bottom: 32px; }
  .help-callout > div:nth-child(2) { flex-grow: 1; }
  .help-callout h2 { font-size: 25px; margin-bottom: 12px; }
  .help-callout p { font-size: 13px; max-width: 540px; }
  .help-callout .button { flex-shrink: 0; }
  .faq-list { display: grid; gap: 12px; }
  .faq-list details { padding: 14px 25px; border-radius: 19px; box-shadow: none; }
  .faq-list summary { font-size: 15px; font-weight: 500; }
  .faq-list summary > span { color: var(--accent); font-size: 22px; font-weight: 300; }
  .faq-list details[open] summary > span { transform: rotate(45deg); }
  .faq-list p { padding: 15px 0 10px; font-size: 13px; max-width: 880px; }
  .privacy-note { padding: 30px; margin-top: 35px; }
  .privacy-note h2 { margin: 12px 0 20px; font-size: 27px; }
  .privacy-note p:not(.eyebrow) { font-size: 13px; max-width: 860px; margin-bottom: 24px; }
  .footer { margin: 60px 44px 0 150px; max-width: 1480px; padding: 30px 0; border-top: 1px solid var(--line); display: flex; gap: 20px; align-items: center; justify-content: space-between; color: var(--quiet); font-size: 10px; }
  .footer > div { display: flex; gap: 24px; }
  .footer a { color: var(--accent); }
  dialog { color: var(--ink); background: var(--surface); border: 1px solid var(--line-bright); border-radius: 24px; padding: 22px; box-shadow: 0 30px 100px rgba(0,0,0,.5); max-height: 90dvh; }
  dialog::backdrop { background: rgba(4,9,18,.82); backdrop-filter: blur(4px); }
  .image-dialog { width: min(1360px,94vw); }
  .dialog-bar { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 14px; }
  .dialog-bar p { font-size: 13px; }
  .image-dialog img { border-radius: 14px; width: 100%; height: auto; max-height: 70dvh; object-fit: contain; }
  .guide-dialog { width: min(560px,92vw); padding: 30px; }
  .guide-progress { display: flex; gap: 6px; margin: 5px 0 28px; }
  .guide-progress > span { height: 3px; background: var(--line); width: 20%; border-radius: 3px; }
  .guide-progress > span.complete { background: var(--accent); }
  .guide-dialog h2 { margin: 14px 0 24px; font-size: 30px; }
  .guide-dialog .actions { margin-top: 35px; justify-content: space-between; }
  .guide-dialog .actions .button:only-child { margin-left: auto; }
  .toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); background: var(--surface); border: 1px solid var(--line-bright); border-radius: 16px; padding: 14px 24px; font-size: 13px; box-shadow: var(--shadow); z-index: 100; max-width: 90vw; }
  .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
  .skip-link { position: fixed; top: -100px; left: 30px; z-index: 200; padding: 10px 20px; color: var(--ink); background: var(--surface); border: 1px solid var(--accent); border-radius: 10px; }
  .skip-link:focus { top: 30px; }
  .noscript { position: fixed; inset: auto 20px 20px; z-index: 100; background: var(--surface); padding: 25px; border-radius: 20px; border: 1px solid var(--line); }
}
@layer responsive {
  @media (min-width: 1720px) { .layout { gap: 44px; } .hero { min-height: 680px; } .hero h1 { font-size: 80px; } }
  @media (max-height: 850px) and (min-width: 681px) { .nav-item { min-height: 64px; padding: 10px 2px; gap: 7px; } .rail-bottom { display: none; } .sidebar { scrollbar-width: thin; scrollbar-color: var(--line-bright) transparent; } }
  @media (max-width: 1200px) {
    .layout { gap: 24px; } main { padding-right: 4px; } .hero { gap: 24px; min-height: 570px; }
    .hero h1 { font-size: 51px; }.hero-motto { font-size: 15px; }.hero-note { font-size: 9px; }
    .hero .actions { gap: 10px; }.hero .actions .button { font-size: 12px; padding: 12px 15px; }.hero .text-link { font-size: 12px; }
    .features-grid { grid-template-columns: 1fr 1fr; }.roadmap-summary { flex-wrap: wrap; }
    .test-numbers { gap: 40px; }.test-numbers > span { max-width: none; }
    .partner-card { padding: 28px; }.store-panel { padding: 30px; gap: 30px; }
  }
  @media (max-width: 960px) {
    .brand-subtitle { display: none; }.version-word { display: none; }
    .hero { grid-template-columns: 1fr; gap: 38px; padding-top: 25px; }
    .hero h1 { font-size: 64px; }.hero-copy { max-width: 630px; }
    .hero-description { max-width: 500px; }.hero-visual { width: 90%; max-width: 670px; margin: 0 auto 15px; padding-top: 10px; }
    .hero-note { font-size: 11px; }.hero .actions .button { font-size: 14px; padding: 13px 20px; }.hero .text-link { font-size: 14px; }
    .orbit-ring { width: 106%; height: 115%; left: -3%; top: -20px; }
    .visual-bottom { margin-top: 20px; }.intro-strip { padding: 18px 20px; gap: 15px; }.intro-strip > span { width: 43%; }
    .editorial-heading { align-items: flex-start; gap: 30px; }.editorial-heading h2 { font-size: 31px; }.editorial-heading > p { max-width: 270px; font-size: 12px; }
    .bento-card { padding: 25px; }.bento-card h3 { font-size: 25px; }.bento-card .card-icon { top: 25px; right: 22px; width: 37px; height: 37px; }
    .chat-sample { width: 100%; padding: 14px; font-size: 12px; }.social-visual { gap: 8px; }.social-visual > span { width: 45px; height: 45px; }
    .social-visual > i { width: 10px; }.closing-panel { padding: 28px; gap: 25px; }.closing-panel h2 { font-size: 29px; }
    .studio-demo { gap: 28px; padding: 28px; }.partners-grid { grid-template-columns: 1fr; }
    .store-panel { grid-template-columns: .6fr 1fr; }.store-art { padding: 15px; }.store-art svg { height: 100px; }.store-panel h2 { font-size: 27px; }
    .appearance-panel { flex-wrap: wrap; gap: 26px; }.help-callout { flex-wrap: wrap; }.help-callout .button { margin-left: 71px; }
    .footer { margin-left: 140px; flex-wrap: wrap; }.footer > div { flex-wrap: wrap; gap: 10px 24px; }
  }
  @media (max-width: 680px) {
    body { font-size: 14px; }.topbar { top: 10px; margin: 10px 12px 0; padding: 9px 12px; min-height: 65px; gap: 10px; border-radius: 20px; }
    .wordmark { width: 115px; height: 38px; padding: 6px 8px; border-radius: 10px; }.header-actions { gap: 3px; }.header-download, .version-badge { display: none; }
    .mobile-menu { display: grid; }.icon-button { width: 44px; height: 44px; }
    .layout { display: block; margin: 25px 20px 0; } main { padding: 0; }
    .sidebar { display: none; position: fixed; z-index: 25; inset: 85px 12px auto; padding: 12px; background: var(--surface); max-height: calc(100dvh - 105px); overflow: auto; box-shadow: 0 25px 60px rgba(0,0,0,.3); border-radius: 22px; }
    .sidebar.open { display: block; }.nav-list { grid-template-columns: 1fr 1fr; gap: 8px; }.nav-item { align-items: center; flex-direction: row; font-size: 13px; padding: 16px 13px; min-height: 60px; gap: 12px; border-radius: 15px; }.nav-item .icon { width: 22px; height: 22px; }.rail-bottom { padding: 17px 0 3px; }.rail-line { display: none; }
    .hero { gap: 36px; padding: 12px 0 28px; min-height: 0; }.hero-copy { gap: 20px; }.hero h1 { font-size: clamp(41px,9.5vw,60px); line-height: 1.09; }.hero h1 br:nth-of-type(2) { display: initial; }
    .hero-motto { font-size: 16px; }.hero-description { font-size: 13px; }.hero-note { font-size: 10px; }.hero .actions { gap: 14px; }
    .hero-visual { width: 100%; padding-top: 9px; margin-bottom: 8px; }.app-window { border-radius: 14px; transform: none; }.app-window:hover { transform: none; }.window-bar { height: 29px; font-size: 8px; }.visual-label { margin-left: 8px; margin-right: 8px; font-size: 8px; }.orbit-ring { width: 100%; left: 0; height: 110%; }
    .visual-bottom { margin: 18px 8px 0; }.floating-mark { width: 75px; padding: 6px 10px; border-radius: 12px; }.floating-mark svg { height: 25px; }
    .intro-strip { border-radius: 19px; padding: 18px; gap: 18px 12px; justify-content: space-between; }.intro-strip > span { font-size: 10px; width: 45%; gap: 8px; }.intro-strip .icon { width: 17px; height: 17px; }
    .home-content { margin: 50px 0 38px; }.editorial-heading { display: block; margin-bottom: 24px; }.editorial-heading h2 { font-size: 34px; }.editorial-heading > p { max-width: 450px; margin-top: 22px; font-size: 13px; }
    .bento-grid, .features-grid, .studio-demo, .two-column, .store-panel { grid-template-columns: 1fr; }
    .bento-card { padding: 25px; }.bento-card h3 { font-size: 28px; }.chat-sample { max-width: 310px; }.social-visual { gap: 15px; margin: 25px 0 10px; }.social-visual > span { width: 55px; height: 55px; }.social-visual > i { width: 20px; }.progress-card h3 br { display: initial; }
    .closing-panel { display: block; padding: 28px; margin-top: 34px; }.closing-panel > div:last-child { margin-top: 24px; max-width: none; }.closing-panel h2 { font-size: 30px; }
    .section-head { padding: 15px 0 30px; }.section-head h1 { font-size: clamp(38px,9vw,52px); }.lead { font-size: 15px; }
    .feature-card { padding: 26px; }.feature-card h2 { font-size: 26px; }.feature-card > p:not(.eyebrow) { font-size: 14px; }.feature-card summary { font-size: 12px; }
    .studio-demo { margin-top: 35px; padding: 25px; gap: 25px; }.studio-demo > div:first-child > p:not(.eyebrow) { max-width: none; }
    .gallery-tabs { width: 100%; gap: 5px; padding: 5px; border-radius: 16px; }.gallery-tab { font-size: 11px; padding: 11px 12px; }
    .gallery-title { flex-wrap: wrap; gap: 18px; }.gallery-title h2 { font-size: 25px; }.gallery-image { border-radius: 12px; }.capture-note { font-size: 10px; }.appearance-panel { padding: 25px; margin-top: 34px; }.appearance-panel h2 { font-size: 25px; }
    .store-panel { padding: 26px; gap: 28px; }.store-art { max-width: 220px; margin: 10px auto; padding: 20px; }.store-art svg { height: 80px; }.store-panel h2 { font-size: 30px; }.store-panel p:not(.eyebrow) { font-size: 14px; }.store-panel .muted { font-size: 11px !important; }
    .info-panel { padding: 26px; } dl > div { flex-direction: column; gap: 5px; } dd { text-align: left; }
    .roadmap-summary { padding: 26px; gap: 22px; }.roadmap-summary h2 { font-size: 26px; }.test-numbers strong { font-size: 37px; }.test-numbers { gap: 30px; }
    .timeline-row { grid-template-columns: 43px minmax(0,1fr); gap: 13px; }.milestone { height: 43px; border-radius: 15px; font-size: 12px; }.timeline-row::before { left: 21px; }
    .timeline-row article { padding: 23px 20px; }.timeline-title { flex-wrap: wrap; gap: 12px; }.timeline-title h2 { font-size: 22px; }
    .partner-card { padding: 26px; }.partner-card h2 { font-size: 30px; }.partner-readme { padding: 17px; }.partner-card .actions { gap: 15px; }.arkana-art { height: 150px; }
    .help-callout { padding: 25px; gap: 20px; }.help-callout .card-icon { width: 42px; height: 42px; }.help-callout > div:nth-child(2) { flex-basis: calc(100% - 65px); }.help-callout .button { margin: 0; }.help-callout h2 { font-size: 23px; }
    .faq-list details { padding: 13px 20px; }.faq-list summary { font-size: 14px; }.privacy-note { padding: 26px; }.privacy-note h2 { font-size: 26px; }
    .footer { margin: 40px 20px 0; padding: 25px 0; gap: 16px; }.footer > div { flex-direction: column; gap: 8px; }
    dialog { padding: 13px; border-radius: 19px; }.guide-dialog { padding: 23px; }.guide-dialog h2 { font-size: 27px; }.guide-dialog p { font-size: 14px; }.guide-dialog .actions { gap: 12px; }.guide-dialog .button { padding: 12px 16px; }
    .dialog-bar p { font-size: 11px; }.dialog-bar { gap: 12px; margin-bottom: 8px; }.image-dialog img { border-radius: 9px; }
  }
  @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; animation: none !important; } .app-window, .app-window:hover { transform: none; } }
  @supports not (backdrop-filter: blur(1px)) { .glass { background: var(--surface); } }
}