/* Shared styles for the app showcase pages (/ios, /android).
   Tokens mirror public/landing.html so the pages read as one site. */
@layer reset, tokens, base, layout, components;

@layer reset {
  *, *::before, *::after { box-sizing: border-box; margin: 0; }
  img, svg { display: block; max-width: 100%; }
}

@layer tokens {
  :root {
    color-scheme: dark;
    --fiber-void: #05080c; --fiber-ink: #0a0e14; --fiber-paper: #0e131a;
    --fiber-line: #1a212b; --fiber-line-2: #232c38;
    --fiber-mist: #4d5867; --fiber-fog: #8b96a4; --fiber-cloud: #c8d2dd; --fiber-snow: #ecf2f8;
    --fiber-blue: #67e8f9; --fiber-blue-hi: #a5f3fc; --fiber-signal: #34d399;
    --fiber-blue-dim: color-mix(in oklab, var(--fiber-blue) 18%, transparent);
    --font-display: "Space Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: "JetBrains Mono", "SFMono-Regular", Menlo, Consolas, monospace;
  }
}

@layer base {
  html { scroll-behavior: smooth; scrollbar-gutter: stable; }
  body { background: var(--fiber-void); color: var(--fiber-cloud); font-family: var(--font-sans); font-size: 15.5px; line-height: 1.6; }
  h1, h2, h3 { font-family: var(--font-display); color: var(--fiber-snow); text-wrap: balance; }
  p { text-wrap: pretty; }
  a { color: var(--fiber-blue); text-decoration: none; }
  a:hover { color: var(--fiber-blue-hi); }
  :focus-visible { outline: 2px solid var(--fiber-blue); outline-offset: 2px; }
  .skip { position: absolute; left: -999px; top: 8px; z-index: 100; background: var(--fiber-blue); color: #04141a; padding: 8px 14px; border-radius: 8px; font-weight: 600; }
  .skip:focus { left: 8px; }
}

@view-transition { navigation: auto; }

@layer layout {
  .wrap { max-width: 1200px; margin-inline: auto; padding-inline: 24px; }
  section { padding-block: 72px; }

  header.site {
    position: sticky; top: 0; z-index: 50;
    background: color-mix(in oklab, var(--fiber-void) 82%, transparent);
    backdrop-filter: blur(12px); border-bottom: 1px solid var(--fiber-line);
    & nav { display: flex; align-items: center; gap: 28px; padding-block: 14px; }
    & .brand { display: flex; align-items: center; gap: 8px; font-family: var(--font-display); font-weight: 700; font-size: 16px; color: var(--fiber-snow); }
    & .brand .fiber { color: var(--fiber-blue); }
    & ul { display: flex; gap: 24px; list-style: none; padding: 0; margin-inline-start: auto; font-size: 13.5px; }
    & ul a { color: var(--fiber-fog); &:hover, &[aria-current="page"] { color: var(--fiber-snow); } }
    & .auth { display: flex; gap: 10px; }
  }

  footer.site {
    border-top: 1px solid var(--fiber-line); padding: 30px 0 40px; font-size: 12.5px; color: var(--fiber-mist);
    & .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
    & ul { display: flex; gap: 20px; flex-wrap: wrap; list-style: none; padding: 0; }
    & a { color: var(--fiber-fog); &:hover { color: var(--fiber-snow); } }
  }
}

@layer components {
  .btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    font-size: 13.5px; font-weight: 600; padding: 9px 18px; border-radius: 9px;
    border: 1px solid var(--fiber-line); color: var(--fiber-snow); background: transparent;
    &:hover { border-color: var(--fiber-mist); color: var(--fiber-snow); }
  }
  .btn.primary { border: none; background: var(--fiber-blue); color: #04141a; &:hover { background: var(--fiber-blue-hi); color: #04141a; } }

  .store-badge {
    display: inline-flex; align-items: center; gap: 10px;
    background: #000; border: 1px solid var(--fiber-line-2); border-radius: 10px;
    padding: 9px 18px 9px 13px; color: #fff; line-height: 1.15;
    &:hover { border-color: var(--fiber-mist); color: #fff; }
    & svg { flex: none; }
    & .lines { display: flex; flex-direction: column; text-align: left; }
    & .small { font-size: 10px; color: #c9d1d9; letter-spacing: .01em; }
    & .big { font-size: 17px; font-weight: 600; font-family: var(--font-display); color: #fff; }
  }

  .eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .08em;
    text-transform: uppercase; color: var(--fiber-blue); margin-bottom: 14px;
    & .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--fiber-signal); box-shadow: 0 0 0 3px color-mix(in oklab, var(--fiber-signal) 20%, transparent); }
  }
  .lead { color: var(--fiber-fog); font-size: 17px; max-width: 620px; }

  /* Hero: pitch + downloads on the left, the app itself on the right. */
  .hero { padding-block: 64px 56px;
    & .cols { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
    & h1 { font-size: clamp(36px, 5.4vw, 60px); line-height: 1.04; letter-spacing: -0.02em; margin-bottom: 18px; }
    & h1 .accent { color: var(--fiber-blue); }
    & .ctas { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 30px; }
    & .ctas .btn { padding: 12px 20px; font-size: 14px; }
    & .facts { display: flex; flex-wrap: wrap; gap: 8px 18px; list-style: none; padding: 0; margin-top: 22px;
      font-family: var(--font-mono); font-size: 12px; color: var(--fiber-mist);
      & li::before { content: "✓ "; color: var(--fiber-signal); } }
    & .pair { display: flex; justify-content: center; align-items: flex-end; gap: 18px; }
    & .pair .shot:first-child { translate: 0 28px; }
  }

  .shot {
    width: min(250px, 42vw); aspect-ratio: 9 / 19.5; overflow: hidden; flex: none;
    border: 1px solid var(--fiber-line-2); border-radius: 30px; background: #000;
    box-shadow: 0 40px 90px -30px rgb(0 0 0 / .8), 0 0 60px -20px var(--fiber-blue-dim), inset 0 0 0 5px #0b0f15;
    padding: 5px;
    & img { width: 100%; height: 100%; object-fit: cover; object-position: top; border-radius: 25px; }
  }

  /* Scan-to-install card: only useful on a computer, so hidden on phones. */
  .qr { display: flex; align-items: center; gap: 16px; margin-top: 28px; padding: 14px 18px 14px 14px;
    width: fit-content; border: 1px solid var(--fiber-line); border-radius: 14px; background: var(--fiber-ink);
    & img { width: 104px; height: 104px; border-radius: 8px; background: #fff; }
    & b { display: block; color: var(--fiber-snow); font-family: var(--font-display); font-size: 15px; }
    & span { font-size: 13px; color: var(--fiber-fog); }
  }

  .band { background: var(--fiber-ink); border-block: 1px solid var(--fiber-line); }
  .section-head { margin-bottom: 36px; & h2 { font-size: clamp(26px, 3.4vw, 38px); line-height: 1.12; margin-bottom: 10px; } }

  /* Screenshot strip: scroll-snaps sideways when it does not fit. */
  .gallery { display: flex; gap: 22px; overflow-x: auto; scroll-snap-type: x mandatory; padding: 6px 4px 26px;
    scrollbar-width: thin; scrollbar-color: var(--fiber-line-2) transparent;
    & figure { scroll-snap-align: start; flex: none; }
    & figcaption { margin-top: 14px; font-size: 13px; color: var(--fiber-fog); max-width: 250px; }
    & figcaption b { display: block; color: var(--fiber-snow); font-family: var(--font-display); font-size: 15px; margin-bottom: 2px; }
  }

  .features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
    & article { background: var(--fiber-ink); border: 1px solid var(--fiber-line); border-radius: 14px; padding: 22px;
      transition: border-color .2s, translate .2s;
      &:hover { border-color: color-mix(in oklab, var(--fiber-blue) 35%, var(--fiber-line)); translate: 0 -2px; } }
    & .tag { font-family: var(--font-mono); font-size: 11px; color: var(--fiber-blue); }
    & h3 { font-size: 16.5px; margin: 6px 0 6px; }
    & p { font-size: 13.5px; color: var(--fiber-fog); }
  }
  .band .features article { background: var(--fiber-void); }

  /* Install steps beside the requirements. */
  .install { display: grid; grid-template-columns: 1.3fr .7fr; gap: 48px; align-items: start;
    & ol { display: grid; gap: 18px; list-style: none; padding: 0; counter-reset: step; }
    & ol li { display: grid; grid-template-columns: 32px 1fr; gap: 14px; counter-increment: step; }
    & ol li::before { content: counter(step); display: grid; place-items: center; width: 32px; height: 32px;
      border: 1px solid var(--fiber-line-2); border-radius: 50%; color: var(--fiber-blue); font: 700 13px var(--font-mono); }
    & ol h3 { font-size: 16px; margin-bottom: 2px; }
    & ol p { font-size: 14px; color: var(--fiber-fog); }
    & dl { border: 1px solid var(--fiber-line); border-radius: 14px; padding: 6px 20px; background: var(--fiber-ink); }
    & dl div { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; border-top: 1px solid var(--fiber-line); font-size: 13.5px; }
    & dl div:first-child { border-top: none; }
    & dt { color: var(--fiber-fog); }
    & dd { color: var(--fiber-snow); text-align: right; }
    & .note { margin-top: 14px; font-size: 12.5px; color: var(--fiber-mist); }
  }

  .cta { text-align: center;
    & h2 { font-size: clamp(26px, 3.4vw, 38px); margin-bottom: 10px; }
    & p { color: var(--fiber-fog); margin-bottom: 26px; }
    & .ctas { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }
    & .also { margin-top: 26px; font-family: var(--font-mono); font-size: 13px; }
  }

  @media (max-width: 900px) {
    header.site ul { display: none; }
    header.site .auth { margin-inline-start: auto; }
    .hero .cols, .install { grid-template-columns: 1fr; }
    .hero .pair { justify-content: flex-start; }
    .features { grid-template-columns: 1fr 1fr; }
    .qr { display: none; }
  }
  @media (max-width: 560px) {
    .features { grid-template-columns: 1fr; }
    header.site .auth .btn:not(.primary) { display: none; }
  }
  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .features article { transition: none; }
  }

  /* /downloads: hero without the two-column phone-mockup layout. */
  .hero.centered { text-align: center;
    & .lead { max-width: 640px; margin-inline: auto; }
    & .detected { margin-inline: auto; }
  }

  /* /downloads: exactly one of these three shows, chosen server-side from
     User-Agent via <body data-platform="ios|android|web">. */
  .detected { display: none; }
  body[data-platform="ios"] #detected-ios,
  body[data-platform="android"] #detected-android,
  body[data-platform="web"] #detected-web {
    display: flex; flex-direction: column; align-items: center; gap: 12px; margin-top: 30px;
  }
  .detected-tag { font-family: var(--font-mono); font-size: 12px; letter-spacing: .04em; color: var(--fiber-signal); }

  /* /downloads: always-visible platform grid. */
  .platform-picks { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 18px;
    & a { color: inherit; } }
  .platform-pick {
    display: flex; flex-direction: column; align-items: flex-start; gap: 10px;
    padding: 24px; border: 1px solid var(--fiber-line); border-radius: 14px; background: var(--fiber-ink);
    transition: border-color .2s, translate .2s;
    &:hover { border-color: color-mix(in oklab, var(--fiber-blue) 35%, var(--fiber-line)); translate: 0 -2px; }
    & h3 { font-size: 18px; }
    & p { font-size: 13.5px; color: var(--fiber-fog); margin: 0; }
  }
  .qr-row { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; margin-top: 30px; }
  @media (max-width: 860px) { .platform-picks { grid-template-columns: 1fr; } }
}