:root {
  color-scheme: light;
  --bg: #eef4fb;
  --bg-strong: #dfe9f7;
  --surface: rgba(255, 255, 255, 0.74);
  --surface-strong: rgba(255, 255, 255, 0.92);
  --border: rgba(53, 86, 120, 0.12);
  --text: #17273c;
  --muted: #5e7087;
  --brand: #2f6fa8;
  --brand-deep: #223d5f;
  --accent: #8fb2d8;
  --shadow: 0 24px 60px rgba(30, 54, 86, 0.12);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "SF Pro Display", "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(104, 151, 199, 0.28), transparent 28%),
    radial-gradient(circle at bottom left, rgba(180, 206, 233, 0.55), transparent 34%),
    linear-gradient(180deg, #f7fbff 0%, var(--bg) 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

.page-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 48px;
}

.site-header,
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.site-header {
  margin-bottom: 28px;
  padding: 14px 18px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.56);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 12px;
  color: white;
  background: linear-gradient(145deg, var(--accent), var(--brand));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

.site-nav {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-size: 0.95rem;
}

.site-nav a[aria-current="page"] {
  color: var(--brand-deep);
  font-weight: 600;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 460px);
  gap: 32px;
  align-items: center;
  padding: 34px;
  margin-bottom: 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(255, 255, 255, 0.62));
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 10px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand);
}

h1,
h2 {
  margin: 0;
  letter-spacing: -0.04em;
}

h1 {
  font-size: clamp(2.4rem, 4vw, 4.8rem);
  line-height: 0.95;
}

h2 {
  font-size: clamp(1.45rem, 2vw, 2rem);
  line-height: 1.05;
}

.hero-text,
.platform-copy p,
.feature-card p,
.policy-card p,
.policy-card li,
.policy-updated {
  color: var(--muted);
  line-height: 1.7;
  font-size: 1rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  font-weight: 600;
}

.button-primary {
  color: white;
  background: linear-gradient(135deg, var(--brand), var(--brand-deep));
}

.button-secondary {
  color: var(--brand-deep);
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--border);
}

.hero-visual {
  display: flex;
  justify-content: center;
}

.device-frame {
  width: min(100%, 390px);
  padding: 14px;
  border-radius: 42px;
  background: linear-gradient(180deg, #fefefe 0%, #dfe9f6 100%);
  box-shadow: 0 28px 70px rgba(26, 45, 73, 0.18);
}

.device-frame img {
  display: block;
  width: 100%;
  border-radius: 30px;
  object-fit: cover;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-bottom: 32px;
}

.feature-card,
.platform-section,
.policy-card {
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  backdrop-filter: blur(10px);
  box-shadow: 0 18px 42px rgba(25, 44, 71, 0.08);
}

.feature-card h2,
.policy-card h2 {
  margin-bottom: 12px;
}

.platform-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(250px, 360px);
  gap: 28px;
  margin-bottom: 36px;
}

.platform-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: start;
}

.platform-pill {
  padding: 12px 16px;
  border-radius: 999px;
  background: var(--surface-strong);
  border: 1px solid var(--border);
  color: var(--brand-deep);
  font-weight: 600;
}

.policy-layout {
  max-width: 860px;
  margin: 0 auto;
}

.policy-updated {
  margin: 10px 0 24px;
}

.policy-card + .policy-card {
  margin-top: 16px;
}

.policy-card ul {
  margin: 12px 0 0 20px;
  padding: 0;
}

.site-footer {
  padding: 8px 4px 0;
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 920px) {
  .hero,
  .platform-section,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 24px;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 20px, 1180px);
    padding-top: 16px;
  }

  .site-header,
  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav {
    flex-wrap: wrap;
  }

  .hero,
  .feature-card,
  .platform-section,
  .policy-card {
    padding: 20px;
    border-radius: 22px;
  }
}