:root {
  --bg: #0f1216;
  --surface: #111418;
  --surface-2: #141920;
  --card: #171b21;
  --card-hover: #1c222b;
  --text: #f5f7f2;
  --text-secondary: #b8c0ba;
  --text-muted: #7f8a84;
  --border: rgba(255, 255, 255, 0.11);
  --border-strong: rgba(255, 255, 255, 0.18);
  --primary: #64b5f6;
  --primary-strong: #2196f3;
  --primary-soft: rgba(33, 150, 243, 0.16);
  --accent: #8bd17c;
  --accent-soft: rgba(139, 209, 124, 0.12);
  --warm: #ffcc80;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.32);
  --radius: 10px;
  --radius-lg: 18px;
  --transition: 180ms ease;
  --header-bg: rgba(15, 18, 22, 0.82);
  --card-alpha: rgba(23, 27, 33, 0.86);
  --preview-bg: #11161d;
}

[data-theme="light"] {
  --bg: #f7f7f2;
  --surface: #fcfcf8;
  --surface-2: #f0f2ec;
  --card: #ffffff;
  --card-hover: #fefffb;
  --text: #1b1f24;
  --text-secondary: #4f5a55;
  --text-muted: #748077;
  --border: #d8ddd2;
  --border-strong: #c8d0c3;
  --primary: #1565c0;
  --primary-strong: #0d47a1;
  --primary-soft: rgba(21, 101, 192, 0.11);
  --accent: #1f7a4c;
  --accent-soft: rgba(31, 122, 76, 0.1);
  --warm: #996000;
  --shadow: 0 22px 56px rgba(33, 41, 31, 0.12);
  --header-bg: rgba(247, 247, 242, 0.84);
  --card-alpha: rgba(255, 255, 255, 0.88);
  --preview-bg: #f7f9f5;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  min-width: 320px;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 78% 4%, rgba(33, 150, 243, 0.16), transparent 32rem),
    linear-gradient(180deg, var(--surface) 0%, var(--bg) 42rem);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  transition: background var(--transition), color var(--transition);
}

a { color: inherit; text-decoration: none; }
button { font: inherit; }
.container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--border);
  background: var(--header-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.header-inner { display: flex; align-items: center; gap: 24px; min-height: 72px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; }
.brand-mark { display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px; border: 1px solid var(--border-strong); border-radius: var(--radius); color: var(--primary); background: var(--primary-soft); font-weight: 900; }
.site-nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.site-nav a { padding: 8px 10px; border-radius: 8px; color: var(--text-secondary); font-size: 0.88rem; font-weight: 650; }
.site-nav a:hover { color: var(--text); background: var(--surface-2); }
.site-nav .support-link { color: var(--primary); }
.theme-toggle { position: relative; display: inline-flex; flex: 0 0 auto; align-items: center; justify-content: center; width: 40px; height: 40px; border: 1px solid var(--border); border-radius: 9px; color: var(--text); background: var(--card); cursor: pointer; }
.theme-toggle:hover { border-color: var(--primary); color: var(--primary); }
.theme-toggle svg { position: absolute; transition: opacity var(--transition), transform var(--transition); }
[data-theme="dark"] .sun-icon, :root:not([data-theme]) .sun-icon { opacity: 1; transform: rotate(0); }
[data-theme="dark"] .moon-icon, :root:not([data-theme]) .moon-icon { opacity: 0; transform: rotate(90deg); }
[data-theme="light"] .sun-icon { opacity: 0; transform: rotate(-90deg); }
[data-theme="light"] .moon-icon { opacity: 1; transform: rotate(0); }

.section-shell { padding: 112px 0; }
.hero { padding-top: 100px; padding-bottom: 92px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(360px, 0.86fr); align-items: center; gap: clamp(48px, 8vw, 100px); }
.eyebrow { display: flex; align-items: center; gap: 9px; margin: 0 0 16px; color: var(--primary); font-size: 0.76rem; font-weight: 850; letter-spacing: 0.1em; text-transform: uppercase; }
.eyebrow-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 5px var(--accent-soft); }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 680px; margin-bottom: 24px; font-size: clamp(3.1rem, 7vw, 5.9rem); line-height: 0.96; letter-spacing: -0.045em; }
h2 { margin-bottom: 16px; font-size: clamp(2rem, 4vw, 3.2rem); line-height: 1.05; letter-spacing: -0.035em; }
h3 { margin-bottom: 8px; font-size: 1.08rem; line-height: 1.2; }
.hero-lede { max-width: 620px; margin-bottom: 30px; color: var(--text-secondary); font-size: clamp(1.05rem, 2vw, 1.24rem); }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; }
.button { display: inline-flex; align-items: center; gap: 12px; min-height: 46px; padding: 0 17px; border: 1px solid transparent; border-radius: var(--radius); font-size: 0.91rem; font-weight: 800; transition: transform var(--transition), background var(--transition), border-color var(--transition); }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #071019; background: var(--primary); }
.button-primary:hover { background: var(--primary-strong); }
.button-secondary { color: var(--text); border-color: var(--border-strong); background: var(--card); }
.button-secondary:hover { border-color: var(--primary); background: var(--card-hover); }
.text-link { color: var(--primary); font-size: 0.93rem; font-weight: 800; }
.text-link:hover { color: var(--primary-strong); }
.hero-notes { display: flex; flex-wrap: wrap; gap: 12px 20px; margin-top: 32px; color: var(--text-muted); font-size: 0.8rem; }
.hero-notes strong { color: var(--text-secondary); }

.product-preview { position: relative; min-height: 470px; display: grid; place-items: center; }
.preview-glow { position: absolute; width: 76%; height: 70%; border-radius: 50%; background: rgba(33, 150, 243, 0.22); filter: blur(70px); }
.preview-window { position: relative; width: min(100%, 480px); overflow: hidden; border: 1px solid var(--border-strong); border-radius: 15px; background: var(--preview-bg); box-shadow: var(--shadow); transform: rotate(1.2deg); }
.window-bar { display: flex; align-items: center; gap: 12px; height: 43px; padding: 0 15px; border-bottom: 1px solid var(--border); background: var(--surface-2); color: var(--text-muted); font-size: 0.72rem; }
.window-dots { display: flex; gap: 5px; }
.window-dots i { width: 7px; height: 7px; border-radius: 50%; background: var(--border-strong); }
.window-title { flex: 1; text-align: center; font-weight: 700; letter-spacing: 0.03em; }
.window-lock { color: var(--accent); font-size: 0.8rem; }
.preview-body { padding: 22px 20px 18px; }
.preview-search { display: flex; align-items: center; gap: 10px; height: 44px; padding: 0 12px; border: 1px solid var(--border-strong); border-radius: 8px; color: var(--text-muted); background: var(--card); font-size: 0.79rem; }
.search-icon { color: var(--primary); font-size: 1.25rem; line-height: 1; }
kbd { margin-left: auto; padding: 3px 6px; border: 1px solid var(--border); border-radius: 5px; color: var(--text-muted); background: var(--surface-2); font-size: 0.65rem; }
.preview-filter-row { display: flex; gap: 7px; margin: 18px 0 12px; overflow: hidden; }
.filter { white-space: nowrap; padding: 4px 8px; border: 1px solid transparent; border-radius: 6px; color: var(--text-muted); font-size: 0.68rem; }
.filter.active { border-color: var(--primary-soft); color: var(--primary); background: var(--primary-soft); }
.preview-result { display: grid; grid-template-columns: 38px minmax(0, 1fr) auto; align-items: center; gap: 11px; padding: 12px 8px; border-bottom: 1px solid var(--border); }
.preview-result.selected { border: 1px solid var(--border); border-radius: 8px; background: var(--card); }
.result-type { display: grid; place-items: center; width: 34px; height: 28px; border-radius: 6px; font-size: 0.57rem; font-weight: 900; letter-spacing: 0.03em; }
.result-type.document { color: var(--primary); background: var(--primary-soft); }
.result-type.audio { color: #ce93d8; background: rgba(206, 147, 216, 0.13); }
.result-type.scan { color: var(--warm); background: rgba(255, 204, 128, 0.13); }
.preview-result strong, .preview-result small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.preview-result strong { font-size: 0.76rem; }
.preview-result small { margin-top: 2px; color: var(--text-muted); font-size: 0.65rem; }
.result-score { color: var(--accent); font-size: 0.68rem; font-weight: 800; }
.preview-footer { padding-top: 17px; color: var(--text-muted); font-size: 0.66rem; }
.status-pulse { display: inline-block; width: 6px; height: 6px; margin-right: 5px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }

.statement { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: var(--surface-2); }
.statement-inner { max-width: 850px; margin: 0 auto; text-align: center; }
.statement h2 { max-width: 760px; margin-right: auto; margin-left: auto; }
.statement p:last-child, .section-heading > p:last-child { max-width: 680px; margin-bottom: 0; color: var(--text-secondary); font-size: 1.04rem; }
.statement p:last-child { margin-right: auto; margin-left: auto; }
.section-heading { max-width: 740px; margin-bottom: 40px; }
.workflow-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.workflow-card, .capability, .privacy-panel, .availability-card { border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--card-alpha); box-shadow: 0 15px 45px rgba(0, 0, 0, 0.1); }
.workflow-card { position: relative; min-height: 250px; padding: 24px; }
.step-number { position: absolute; top: 19px; right: 20px; color: var(--text-muted); font-size: 0.7rem; font-weight: 800; }
.workflow-icon { display: grid; place-items: center; width: 44px; height: 44px; margin-bottom: 25px; border: 1px solid var(--primary-soft); border-radius: 10px; color: var(--primary); background: var(--primary-soft); font-size: 1.45rem; }
.workflow-card p, .capability p, .privacy-points p, .availability-card > p { margin-bottom: 0; color: var(--text-secondary); font-size: 0.9rem; }
.capabilities-section { background: var(--surface-2); }
.capabilities-grid { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); gap: clamp(45px, 8vw, 100px); align-items: start; }
.capability-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.capability { display: flex; gap: 14px; padding: 20px; }
.capability-symbol { display: grid; place-items: center; flex: 0 0 auto; width: 43px; height: 34px; border-radius: 7px; color: var(--primary); background: var(--primary-soft); font-size: 0.56rem; font-weight: 900; letter-spacing: 0.04em; }
.capability h3 { font-size: 0.98rem; }
.capability p { font-size: 0.82rem; line-height: 1.45; }
.privacy-panel { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, 0.75fr); gap: 50px; padding: clamp(26px, 5vw, 52px); }
.privacy-copy h2 { max-width: 600px; }
.privacy-copy > p { max-width: 620px; margin-bottom: 25px; color: var(--text-secondary); }
.privacy-points { display: grid; gap: 19px; align-content: center; }
.privacy-points > div { display: flex; gap: 13px; }
.point-icon { display: grid; place-items: center; flex: 0 0 auto; width: 34px; height: 34px; border: 1px solid var(--border); border-radius: 8px; color: var(--accent); background: var(--accent-soft); }
.privacy-points strong { font-size: 0.92rem; }
.privacy-points p { margin-top: 2px; font-size: 0.78rem; }
.availability-section { padding-top: 25px; }
.availability-card { padding: clamp(28px, 5vw, 56px); text-align: center; background: linear-gradient(135deg, var(--card-alpha), var(--primary-soft)); }
.availability-card .eyebrow { justify-content: center; }
.availability-card h2 { max-width: 760px; margin-right: auto; margin-left: auto; }
.availability-card > p { max-width: 680px; margin-right: auto; margin-bottom: 24px; margin-left: auto; }
.availability-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-bottom: 28px; }
.availability-tag { padding: 7px 11px; border: 1px solid var(--border); border-radius: 20px; color: var(--text-muted); background: var(--card); font-size: 0.75rem; font-weight: 700; }
.availability-tag.active { color: var(--accent); border-color: rgba(139, 209, 124, 0.3); background: var(--accent-soft); }
.availability-tag i { display: inline-block; width: 6px; height: 6px; margin-right: 6px; border-radius: 50%; background: var(--accent); }
.site-footer { padding: 34px 0; border-top: 1px solid var(--border); color: var(--text-muted); font-size: 0.78rem; }
.footer-inner { display: flex; align-items: center; gap: 18px; }
.footer-inner p { margin: 0 auto 0 0; }
.footer-inner > a:not(.brand) { color: var(--text-secondary); font-weight: 700; }

@media (max-width: 850px) {
  .site-nav a:not(.support-link) { display: none; }
  .hero-grid, .capabilities-grid, .privacy-panel { grid-template-columns: 1fr; }
  .product-preview { min-height: 410px; }
  .workflow-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .capabilities-grid { gap: 35px; }
}

@media (max-width: 560px) {
  .container { width: min(100% - 28px, 1120px); }
  .section-shell { padding: 78px 0; }
  .hero { padding-top: 65px; }
  h1 { font-size: clamp(2.8rem, 15vw, 4.4rem); }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .button { justify-content: center; }
  .hero-notes { display: grid; gap: 7px; }
  .product-preview { min-height: 350px; }
  .preview-window { transform: none; }
  .workflow-grid, .capability-list { grid-template-columns: 1fr; }
  .workflow-card { min-height: 210px; }
  .footer-inner { align-items: flex-start; flex-wrap: wrap; }
  .footer-inner p { order: 5; flex-basis: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}