:root {
  color-scheme: light dark;
  --ink: #172033;
  --ink-2: #3c475c;
  --muted: #647084;
  --line: #e6eaf0;
  --paper: #ffffff;
  --soft: #f5f7fb;
  --card: #ffffff;
  --brand: #3658d4;
  --navy: #101a32;
  --header-bg: rgba(255,255,255,.9);
  --notice-bg: #fff9e9; --notice-line: #f0d59a; --notice-ink: #75531a;
  --radius: 20px;
  --shadow: 0 18px 50px rgba(22, 35, 65, .08);
  /* Per-app tokens; overridden by .theme-* on <body>. */
  --accent: var(--brand);
  --accent-2: #6c8cff;
  --tint: #eef2ff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e8ecf5; --ink-2: #c3cad8; --muted: #98a3b8; --line: #263049;
    --paper: #0b1222; --soft: #111a2e; --card: #141e34;
    --brand: #8aa2ff;
    --header-bg: rgba(11,18,34,.88);
    --notice-bg: #2a2310; --notice-line: #5c4a1d; --notice-ink: #f1d79c;
    --shadow: 0 18px 50px rgba(0,0,0,.35);
    --tint: #18233d;
  }
}

/* App themes, taken from each app's asset catalog (AccentColor + brand colour). */
.theme-assetvault     { --accent: #0B5E9A; --accent-2: #29AFD6; --tint: #e8f5fb; }
.theme-familytree     { --accent: #2F7D22; --accent-2: #8CC63F; --tint: #f3f8ea; }
.theme-beforeyouleave { --accent: #1A6E9C; --accent-2: #F6AC45; --tint: #fdf4e6; }
.theme-storagebyte    { --accent: #015FDA; --accent-2: #975FFC; --tint: #f1edff; }
@media (prefers-color-scheme: dark) {
  .theme-assetvault     { --accent: #3BB8DE; --accent-2: #0B5E9A; --tint: #0f2433; }
  .theme-familytree     { --accent: #6CA534; --accent-2: #4E8F2A; --tint: #15251a; }
  .theme-beforeyouleave { --accent: #3DA5D1; --accent-2: #F6AC45; --tint: #2a2214; }
  .theme-storagebyte    { --accent: #4FA8FF; --accent-2: #6A4BE0; --tint: #1c1838; }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font: inherit; }
code { font-size: .9em; background: var(--soft); border: 1px solid var(--line); border-radius: 6px; padding: 1px 5px; }
.container { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.skip-link { position: absolute; left: -999px; top: 8px; background: var(--card); padding: 8px 12px; border-radius: 8px; z-index: 50; }
.skip-link:focus { left: 8px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 20;
  background: var(--header-bg); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.nav { min-height: 70px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--ink); font-weight: 800; letter-spacing: -.04em; font-size: 1.18rem; }
.brand:hover { text-decoration: none; }
.brand-mark {
  display: grid; place-items: center; width: 36px; height: 36px; border-radius: 11px;
  color: #fff; background: linear-gradient(145deg, #5578f2, #253fae); font-size: .95rem;
  box-shadow: 0 7px 18px rgba(54,88,212,.24);
}
.nav-links { display: flex; align-items: center; gap: 25px; font-size: .94rem; font-weight: 600; }
.nav-links a { color: var(--ink-2); }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--brand); text-decoration: none; }
.menu-toggle { display: none; border: 1px solid var(--line); border-radius: 10px; padding: 8px 12px; background: var(--card); color: var(--ink); }

/* Buttons & badges */
.button { display: inline-flex; align-items: center; justify-content: center; gap: 9px; padding: 12px 20px; border-radius: 999px; font-weight: 700; border: 1px solid transparent; transition: transform .2s ease, filter .2s ease; }
.button:hover { text-decoration: none; transform: translateY(-1px); }
.button[hidden] { display: none; }
.button-primary { color: #fff; background: var(--accent); }
.button-primary:hover { color: #fff; filter: brightness(1.08); }
.button-light { color: var(--navy); background: #fff; }
.button-outline { color: #fff; border-color: rgba(255,255,255,.35); background: transparent; }
.button-ghost { color: var(--accent); border-color: var(--line); background: var(--card); }
.appstore-button { color: #fff; background: #000; border-color: rgba(255,255,255,.18); }
.appstore-button:hover { color: #fff; }
.badge { display: inline-flex; align-items: center; gap: 6px; padding: 5px 11px; border-radius: 999px; font-size: .78rem; font-weight: 700; background: var(--tint); color: var(--accent); border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent); }
.badge[hidden] { display: none; }
.badge-dot::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--accent-2); }

/* Home hero */
.hero {
  padding: 88px 0 80px; color: #fff; overflow: hidden;
  background: radial-gradient(circle at 85% 10%, rgba(116,143,255,.34), transparent 28%),
              radial-gradient(circle at 10% 90%, rgba(44,177,190,.22), transparent 32%),
              linear-gradient(125deg, #101a32, #1b2d59 70%, #263f80);
}
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: 56px; }
.eyebrow { display: inline-flex; gap: 8px; align-items: center; color: #b9c8ff; font-weight: 750; text-transform: uppercase; letter-spacing: .12em; font-size: .75rem; }
.eyebrow-accent { color: var(--accent); }
.hero h1 { max-width: 720px; margin: 18px 0; font-size: clamp(2.5rem, 6vw, 4.5rem); line-height: 1.04; letter-spacing: -.055em; }
.hero p { max-width: 620px; color: #d4dcf1; font-size: 1.13rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero-icons { display: grid; grid-template-columns: repeat(2, 132px); gap: 22px; justify-content: center; }
.hero-icons a { display: block; transition: transform .2s ease; }
.hero-icons a:hover { transform: scale(1.04); }
.hero-icons img { width: 132px; height: 132px; border-radius: 30px; box-shadow: 0 24px 60px rgba(0,0,0,.35); }
.hero-icons a:nth-child(2), .hero-icons a:nth-child(4) { margin-top: 26px; margin-bottom: -26px; }

/* Sections */
.section { padding: 76px 0; }
.section-soft { background: var(--soft); }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 25px; margin-bottom: 30px; }
.section-heading h2 { margin: 6px 0 0; font-size: clamp(1.8rem, 4vw, 2.5rem); letter-spacing: -.045em; line-height: 1.15; }
.section-heading p { max-width: 500px; margin: 0; color: var(--muted); }

/* App cards (home) */
.app-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 20px; }
.app-card { position: relative; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; box-shadow: 0 8px 28px rgba(20,35,65,.04); transition: transform .2s ease, box-shadow .2s ease; overflow: hidden; }
.app-card::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 4px; background: linear-gradient(90deg, var(--accent), var(--accent-2)); }
.app-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.app-top { display: flex; gap: 17px; align-items: center; margin-bottom: 15px; }
.app-icon { width: 64px; height: 64px; border-radius: 15px; flex: none; box-shadow: 0 6px 16px rgba(20,35,65,.15); }
.app-card h3 { margin: 0; font-size: 1.25rem; letter-spacing: -.03em; }
.app-card h3 a { color: var(--ink); }
.app-card .tagline { color: var(--accent); margin: 1px 0 0; font-size: .92rem; font-weight: 650; }
.app-card > p { color: var(--ink-2); margin: 0 0 16px; }
.card-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.card-links { display: flex; flex-wrap: wrap; gap: 9px 17px; font-size: .9rem; font-weight: 700; }

.feature-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.feature { padding: 22px; border-radius: 17px; background: var(--card); border: 1px solid var(--line); }
.feature-icon { width: 42px; height: 42px; display: grid; place-items: center; background: var(--tint); color: var(--accent); border-radius: 13px; font-size: 1.2rem; }
.feature h3 { margin: 14px 0 5px; font-size: 1.04rem; }
.feature p { margin: 0; color: var(--muted); font-size: .93rem; }

/* App product page */
.app-hero {
  position: relative; overflow: hidden; padding: 60px 0 76px; border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 90% 0%, color-mix(in srgb, var(--accent-2) 30%, transparent), transparent 45%),
    radial-gradient(circle at 0% 100%, color-mix(in srgb, var(--accent) 22%, transparent), transparent 50%),
    var(--tint);
}
.app-hero-grid { display: grid; grid-template-columns: auto 1fr; gap: 36px; align-items: center; }
.app-hero .app-icon { width: 156px; height: 156px; border-radius: 36px; box-shadow: 0 24px 60px color-mix(in srgb, var(--accent) 35%, transparent); }
.app-hero h1 { margin: 6px 0 4px; font-size: clamp(2.3rem, 5vw, 3.6rem); line-height: 1.05; letter-spacing: -.05em; }
.app-hero .subtitle { margin: 0; font-size: 1.15rem; font-weight: 650; color: var(--accent); }
.app-hero .lede { max-width: 640px; margin: 14px 0 0; color: var(--ink-2); font-size: 1.06rem; }
.app-hero .hero-actions { margin-top: 22px; align-items: center; }
.breadcrumb { color: var(--muted); font-size: .88rem; margin-bottom: 13px; }
.breadcrumb a { color: var(--muted); }

.highlights { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: -40px; position: relative; }
.highlight { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 18px; box-shadow: var(--shadow); }
.highlight strong { display: block; font-size: 1rem; letter-spacing: -.01em; }
.highlight span { color: var(--muted); font-size: .88rem; }

.feature-groups { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 18px; }
.feature-group { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 24px; }
.feature-group h3 { margin: 0 0 4px; font-size: 1.12rem; letter-spacing: -.02em; display: flex; align-items: center; gap: 10px; }
.feature-group h3::before { content: ""; width: 10px; height: 10px; border-radius: 3px; background: linear-gradient(135deg, var(--accent), var(--accent-2)); flex: none; }
.feature-group .new { font-size: .66rem; text-transform: uppercase; letter-spacing: .08em; font-weight: 800; color: #fff; background: var(--accent); padding: 2px 7px; border-radius: 6px; }
.feature-group ul { margin: 10px 0 0; padding-left: 20px; }
.feature-group li { color: var(--ink-2); margin: 4px 0; font-size: .95rem; }

.privacy-panel { display: grid; grid-template-columns: .9fr 1.1fr; gap: 32px; align-items: start; padding: 32px; border-radius: 22px; background: var(--navy); color: #fff; }
.privacy-panel .eyebrow { color: color-mix(in srgb, var(--accent-2) 70%, white); }
.privacy-panel h2 { margin: 8px 0 10px; font-size: 1.9rem; letter-spacing: -.04em; line-height: 1.15; }
.privacy-panel p { color: #c9d3e8; margin: 0 0 16px; }
.privacy-panel a { color: #fff; text-decoration: underline; }
.check-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.check-list li { display: flex; gap: 10px; color: #e1e7f4; }
.check-list li::before { content: "✓"; flex: none; width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; font-size: .75rem; font-weight: 800; background: color-mix(in srgb, var(--accent-2) 75%, white); color: #0b1222; margin-top: 2px; }

.info-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.info { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 18px; }
.info h3 { margin: 0 0 4px; font-size: .74rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
.info p { margin: 0; font-weight: 650; }
.link-tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 14px; }
.link-tile { display: block; background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 18px 20px; color: var(--ink); }
.link-tile:hover { text-decoration: none; border-color: var(--accent); }
.link-tile strong { display: block; color: var(--accent); }
.link-tile span { color: var(--muted); font-size: .9rem; }

/* Document pages (privacy, terms, support, about) */
.page-hero { padding: 50px 0 40px; background: var(--tint); border-bottom: 1px solid var(--line); }
.page-hero-row { display: flex; align-items: center; gap: 20px; }
.page-hero .app-icon { width: 72px; height: 72px; border-radius: 17px; }
.page-hero h1 { margin: 0; font-size: clamp(1.9rem,5vw,2.9rem); line-height: 1.1; letter-spacing: -.045em; }
.page-hero p { color: var(--muted); max-width: 700px; margin: 8px 0 0; font-size: 1.04rem; }
.content { padding: 44px 0 80px; }
.prose { max-width: 800px; }
.prose h2 { margin: 36px 0 10px; font-size: 1.35rem; letter-spacing: -.02em; scroll-margin-top: 90px; }
.prose h3 { margin: 22px 0 6px; font-size: 1.06rem; }
.prose p, .prose li { color: var(--ink-2); }
.prose ul { padding-left: 23px; }
.prose li { margin: 5px 0; }
.prose table { border-collapse: collapse; width: 100%; font-size: .94rem; margin: 12px 0; }
.prose th, .prose td { text-align: left; border-bottom: 1px solid var(--line); padding: 9px 10px 9px 0; vertical-align: top; color: var(--ink-2); }
.prose th { color: var(--ink); }
.table-wrap { overflow-x: auto; }
.summary-box { border: 1px solid color-mix(in srgb, var(--accent) 30%, var(--line)); background: var(--tint); border-radius: 16px; padding: 18px 20px; margin: 0 0 8px; }
.summary-box p:first-child, .summary-box ul:first-child { margin-top: 0; }
.summary-box p:last-child, .summary-box ul:last-child { margin-bottom: 0; }
.notice { border: 1px solid var(--notice-line); background: var(--notice-bg); color: var(--notice-ink); border-radius: 14px; padding: 16px 18px; margin: 22px 0; }
.contact-card { background: var(--soft); border: 1px solid var(--line); border-radius: 18px; padding: 22px 24px; margin: 20px 0; }
.contact-card p { margin-bottom: 0; }
details.faq { border: 1px solid var(--line); border-radius: 14px; padding: 0 18px; margin: 10px 0; background: var(--card); }
details.faq summary { cursor: pointer; padding: 14px 0; font-weight: 700; color: var(--ink); list-style: none; display: flex; justify-content: space-between; gap: 12px; }
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after { content: "+"; color: var(--accent); font-weight: 800; }
details.faq[open] summary::after { content: "–"; }
details.faq > div { padding: 0 0 6px; }
details.faq > div p:first-child { margin-top: 0; }
.small { color: var(--muted); font-size: .88rem; }
.support-apps { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 14px; margin: 18px 0; }
.support-app { display: flex; gap: 14px; align-items: center; padding: 14px; border: 1px solid var(--line); border-radius: 16px; background: var(--card); color: var(--ink); }
.support-app:hover { text-decoration: none; border-color: var(--accent); }
.support-app .app-icon { width: 48px; height: 48px; border-radius: 12px; }
.support-app span { display: block; color: var(--muted); font-size: .86rem; }

/* Footer */
.site-footer { background: #0d162b; color: #d4dced; padding: 46px 0 25px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 36px; }
.site-footer .brand { color: #fff; }
.site-footer p { color: #aab6ce; max-width: 340px; }
.site-footer h4 { color: #fff; margin: 0 0 12px; }
.site-footer a { color: #c2cce0; display: block; margin: 7px 0; font-size: .92rem; }
.site-footer .brand { display: inline-flex; margin: 0; font-size: 1.18rem; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 34px; padding-top: 19px; color: #8997b2; font-size: .84rem; display: flex; justify-content: space-between; gap: 15px; flex-wrap: wrap; }

@media (max-width: 900px) {
  .highlights, .info-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > div:first-child { grid-column: 1/-1; }
}
@media (max-width: 760px) {
  .nav { min-height: 62px; }
  .menu-toggle { display: block; }
  .nav-links { display: none; position: absolute; top: 62px; left: 0; right: 0; padding: 18px 16px 22px; background: var(--paper); border-bottom: 1px solid var(--line); flex-direction: column; align-items: flex-start; gap: 14px; }
  .nav-links.open { display: flex; }
  .hero { padding: 56px 0; }
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .hero-icons { grid-template-columns: repeat(4, 1fr); gap: 12px; }
  .hero-icons img { width: 100%; height: auto; border-radius: 22%; }
  .hero-icons a:nth-child(2), .hero-icons a:nth-child(4) { margin: 0; }
  .section { padding: 52px 0; }
  .section-heading { display: block; }
  .section-heading p { margin-top: 12px; }
  .app-grid, .feature-row, .feature-groups, .link-tiles, .support-apps { grid-template-columns: 1fr; }
  .app-hero { padding: 40px 0 64px; }
  .app-hero-grid { grid-template-columns: 1fr; gap: 20px; }
  .app-hero .app-icon { width: 104px; height: 104px; border-radius: 24px; }
  .privacy-panel { grid-template-columns: 1fr; padding: 24px; }
  .page-hero .app-icon { width: 56px; height: 56px; border-radius: 13px; }
  .footer-bottom { flex-direction: column; }
}
@media (max-width: 420px) {
  .highlights, .info-grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button, .app-card, .hero-icons a { transition: none; }
}