:root {
  --bg: #06111f;
  --panel: #0b1c31;
  --panel-2: #102842;
  --text: #f3f7fb;
  --muted: #a8b6c7;
  --line: rgba(255,255,255,.14);
  --accent: #64d2ff;
  --accent-2: #93f6d7;
  --shadow: 0 24px 70px rgba(0,0,0,.35);
  --radius: 28px;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 10% 0%, rgba(100, 210, 255, .22), transparent 34rem),
    radial-gradient(circle at 85% 5%, rgba(147, 246, 215, .16), transparent 28rem),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: rgba(6, 17, 31, .78);
  backdrop-filter: blur(20px);
}

.nav,
.hero,
.section,
.footer,
.policy-page {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  color: var(--muted);
  font-weight: 600;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-size: 1.1rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
}

.nav-links a[aria-current="page"] {
  color: var(--text);
}

.icon-placeholder {
  display: grid;
  place-items: center;
  border: 1px dashed rgba(255,255,255,.45);
  background: linear-gradient(135deg, rgba(100,210,255,.2), rgba(147,246,215,.14));
  color: var(--muted);
  text-align: center;
  font-weight: 700;
}

.icon-placeholder.small {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  font-size: .62rem;
}

.icon-placeholder.large {
  width: 112px;
  height: 112px;
  border-radius: 26px;
  margin-bottom: 24px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, .7fr);
  gap: 32px;
  padding: 88px 0 56px;
  align-items: center;
}

.hero-copy h1,
.policy-hero h1 {
  margin: 0;
  font-size: clamp(2.6rem, 7vw, 5.7rem);
  line-height: .95;
  letter-spacing: -.06em;
}

.lead {
  max-width: 760px;
  color: var(--muted);
  font-size: clamp(1.1rem, 2vw, 1.35rem);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: .15em;
  font-size: .78rem;
  font-weight: 800;
}

.hero-card,
.feature,
.screenshot-card,
.policy-content {
  border: 1px solid var(--line);
  background: rgba(11, 28, 49, .76);
  box-shadow: var(--shadow);
}

.hero-card {
  border-radius: var(--radius);
  padding: 32px;
}

.hero-card h2,
.section h2,
.policy-content h2 { margin-top: 0; }
.hero-card p,
.section p,
.feature p,
.policy-content p { color: var(--muted); }

.section { padding: 56px 0; }

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.feature-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.feature-list li {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255,255,255,.04);
}

.section-intro { max-width: 720px; }

.screenshots-grid {
  display: grid;
  gap: 36px;
  margin-top: 28px;
}

.screenshot-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: flex-start;
  gap: 22px;
}

.screenshot-card {
  border-radius: 24px;
  padding: 16px;
}

.screenshot-card h3 {
  margin: 14px 4px 4px;
  font-size: 1rem;
}

.screenshot-placeholder {
  display: grid;
  place-items: center;
  min-height: 430px;
  border: 1px dashed rgba(255,255,255,.48);
  border-radius: 20px;
  background:
    linear-gradient(145deg, rgba(100,210,255,.12), rgba(147,246,215,.08)),
    rgba(255,255,255,.03);
  color: var(--text);
  text-align: center;
  font-weight: 800;
}

.screenshot-placeholder span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: .78rem;
  font-weight: 600;
}

.screenshot-card.tablet .screenshot-placeholder { min-height: 330px; }
.screenshot-card.watch .screenshot-placeholder { min-height: 250px; border-radius: 46px; }

.dark-panel {
  width: min(1120px, calc(100% - 40px));
  margin-top: 32px;
  padding: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(16, 40, 66, .96), rgba(11, 28, 49, .86));
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.feature {
  border-radius: 22px;
  padding: 22px;
}

.feature h3 { margin-top: 0; }

.footer {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 14px;
  padding: 44px 0 64px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.trademark-notice {
  margin: 0;
  font-size: .82rem;
  font-style: italic;
}

.footer-privacy-link {
  align-self: center;
  color: var(--muted);
  font-size: .82rem;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color .2s ease;
}

.footer-privacy-link:hover {
  color: var(--text);
}

.footer-row {
  display: flex;
  justify-content: center;
  gap: 20px;
  text-align: center;
}

.footer-row p {
  margin: 0;
}

.policy-page { padding: 72px 0; }
.policy-hero { margin-bottom: 34px; }
.policy-content {
  border-radius: var(--radius);
  padding: clamp(24px, 5vw, 56px);
}
.policy-content h2 { padding-top: 18px; }
.policy-content h2:first-child { padding-top: 0; }
.policy-content li p {
  margin: .2rem 0;
  line-height: 1.35;
}

.faq-content h2 {
  margin-bottom: 16px;
}

.faq-content h2:not(:first-child) {
  margin-top: 38px;
}

.faq-item {
  border-top: 1px solid var(--line);
}

.faq-item:last-child {
  border-bottom: 1px solid var(--line);
}

.faq-item summary {
  cursor: pointer;
  padding: 18px 0;
  color: var(--text);
  font-weight: 700;
}

.faq-item summary::marker {
  color: var(--accent);
}

.faq-item p {
  margin: 0;
  padding: 0 0 20px;
}

@media (max-width: 880px) {
  .hero,
  .split,
  .screenshots-grid,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .hero { padding-top: 56px; }
  .screenshot-placeholder,
  .screenshot-card.tablet .screenshot-placeholder,
  .screenshot-card.watch .screenshot-placeholder { min-height: 360px; }
  .footer-row { flex-direction: column; }
}

@media (max-width: 520px) {
  .nav,
  .hero,
  .section,
  .footer,
  .policy-page {
    width: min(100% - 28px, 1120px);
  }

  .dark-panel { padding: 26px; }
  .hero-copy h1,
  .policy-hero h1 { font-size: 2.8rem; }
  .nav { gap: 18px; }
  .nav-links {
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 10px 16px;
  }
}

.app-icon {
  display: block;
  object-fit: cover;
  box-shadow: 0 18px 40px rgba(0,0,0,.28);
}

.app-icon.small {
  width: 42px;
  height: 42px;
  border-radius: 12px;
}

.app-icon.large {
  width: 112px;
  height: 112px;
  border-radius: 26px;
  margin-bottom: 24px;
}

.screenshot-card {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.screenshot-image {
  display: block;
  width: 100%;
  max-width: 220px;
  height: auto;
  object-fit: contain;
  /* background: rgba(255,255,255,.04); */
  border-radius: 20px;
}

.screenshot-image.phone {
  max-width: 220px;
}

.screenshot-image.tablet {
  max-width: 360px;
}

.screenshot-image.watch {
  max-width: 140px;
  border-radius: 46px;
}