:root {
  color-scheme: dark light;
  --ink: #f8f4ec;
  --muted: #cfc2ad;
  --soft: rgba(248, 244, 236, 0.72);
  --bg: #050607;
  --panel: #121416;
  --panel-2: #1d2022;
  --brand: #0e527a;
  --brand-soft: rgba(14, 82, 122, 0.22);
  --gold: #ffd071;
  --green: #36e25b;
  --line: rgba(14, 82, 122, 0.58);
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.42);
  font-family: Avenir, "Avenir Next", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 15% 12%, rgba(14, 82, 122, 0.42), transparent 34%),
    radial-gradient(circle at 85% 8%, rgba(255, 208, 113, 0.18), transparent 30%),
    linear-gradient(180deg, #090a0b 0%, #020303 100%);
  color: var(--ink);
}

a {
  color: inherit;
}

.shell {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(5, 6, 7, 0.76);
  backdrop-filter: blur(18px);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0.2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 15px;
}

.nav-links a {
  text-decoration: none;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 16px;
  background: var(--gold);
  color: #221707;
  text-decoration: none;
  font-weight: 800;
  box-shadow: 0 14px 34px rgba(255, 208, 113, 0.18);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--line);
  color: var(--ink);
  box-shadow: none;
}

.hero {
  padding: 84px 0 64px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 52px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 18px;
  color: var(--green);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 1.6px;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: currentColor;
  box-shadow: 0 0 28px currentColor;
}

h1 {
  margin: 0;
  font-size: clamp(44px, 6.6vw, 82px);
  line-height: 0.96;
  letter-spacing: -3px;
}

.lead {
  max-width: 650px;
  margin: 24px 0 0;
  color: var(--soft);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.pill {
  padding: 10px 14px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.045);
  color: var(--muted);
  font-size: 14px;
}

.device-card {
  position: relative;
  min-height: 560px;
  border: 1px solid var(--line);
  border-radius: 38px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent),
    var(--panel);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.device-card::before {
  content: "";
  position: absolute;
  inset: 18px;
  border-radius: 30px;
  background:
    radial-gradient(circle at 70% 12%, rgba(255, 208, 113, 0.2), transparent 32%),
    linear-gradient(180deg, #101315, #070808);
}

.vault-preview {
  position: relative;
  padding: 48px 38px;
}

.preview-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 38px;
  color: var(--muted);
}

.lock {
  display: grid;
  place-items: center;
  width: 104px;
  height: 104px;
  margin: 0 auto 34px;
  border-radius: 30px;
  background: linear-gradient(145deg, var(--brand), #061b2b);
  border: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 56px;
}

.file-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.file-tile {
  min-height: 120px;
  padding: 18px;
  border: 1px solid rgba(14, 82, 122, 0.5);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.045);
}

.file-tile strong {
  display: block;
  margin-top: 18px;
}

.file-tile span {
  color: var(--muted);
  font-size: 13px;
}

.section {
  padding: 66px 0;
}

.section h2 {
  max-width: 760px;
  margin: 0 0 18px;
  font-size: clamp(34px, 4.5vw, 56px);
  line-height: 1.04;
  letter-spacing: -1.8px;
}

.section-copy {
  max-width: 760px;
  margin: 0;
  color: var(--soft);
  font-size: 19px;
  line-height: 1.6;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 34px;
}

.card {
  min-height: 220px;
  padding: 24px;
  border: 1px solid rgba(14, 82, 122, 0.42);
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.055), transparent), var(--panel);
}

.card-icon {
  font-size: 34px;
}

.card h3 {
  margin: 22px 0 10px;
  font-size: 22px;
}

.card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.feature-band {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.band-panel {
  padding: 32px;
  border-radius: 32px;
  background: var(--panel-2);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.band-panel ul {
  display: grid;
  gap: 14px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
}

.band-panel li::before {
  content: "✓";
  color: var(--green);
  margin-right: 10px;
}

.cta {
  margin: 70px 0;
  padding: 42px;
  border: 1px solid var(--line);
  border-radius: 34px;
  background:
    radial-gradient(circle at 14% 18%, rgba(14, 82, 122, 0.45), transparent 42%),
    linear-gradient(145deg, #171a1d, #101112);
}

.cta h2 {
  margin-bottom: 16px;
}

.footer {
  padding: 34px 0 48px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--muted);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.footer a {
  color: var(--muted);
  margin-left: 18px;
}

.legal-page {
  padding: 64px 0;
}

.legal-card {
  max-width: 880px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--panel);
}

.legal-card h1 {
  font-size: clamp(36px, 5vw, 58px);
}

.legal-card h2 {
  margin-top: 34px;
}

.legal-card p,
.legal-card li {
  color: var(--soft);
  line-height: 1.7;
}

@media (max-width: 840px) {
  .nav-links {
    display: none;
  }

  .hero-grid,
  .feature-band {
    grid-template-columns: 1fr;
  }

  .device-card {
    min-height: 480px;
  }

  .cards {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 54px;
  }
}

@media (max-width: 520px) {
  .shell {
    width: min(100% - 28px, 1120px);
  }

  h1 {
    letter-spacing: -2px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .device-card {
    min-height: 430px;
    border-radius: 28px;
  }

  .vault-preview {
    padding: 38px 24px;
  }

  .file-grid {
    gap: 12px;
  }

  .file-tile {
    min-height: 104px;
  }
}