:root {
  --bg: #06111f;
  --bg-soft: #0d1a2c;
  --card: rgba(14, 24, 40, 0.74);
  --card-light: rgba(255, 255, 255, 0.08);
  --text: #ecf4ff;
  --muted: #a8bfd9;
  --line: rgba(148, 186, 230, 0.18);
  --primary: #57a6ff;
  --secondary: #65d9ff;
  --accent: #8b5cf6;
  --success: #52d2a6;
  --shadow: 0 28px 70px rgba(0, 0, 0, 0.35);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "SF Pro Display", "Segoe UI", -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 15%, rgba(87, 166, 255, 0.24), transparent 28%),
    radial-gradient(circle at 86% 16%, rgba(101, 217, 255, 0.14), transparent 24%),
    radial-gradient(circle at 75% 82%, rgba(139, 92, 246, 0.16), transparent 28%),
    linear-gradient(180deg, #06111f 0%, #091523 38%, #0b1728 100%);
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(153, 191, 235, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(153, 191, 235, 0.04) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.55), transparent 88%);
}

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

.site-shell {
  width: min(var(--max-width), calc(100vw - 32px));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(18px);
  background: rgba(4, 12, 22, 0.66);
  border-bottom: 1px solid rgba(167, 196, 233, 0.08);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 76px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background:
    linear-gradient(145deg, rgba(101, 217, 255, 0.9), rgba(87, 166, 255, 0.88) 55%, rgba(139, 92, 246, 0.82));
  box-shadow:
    0 14px 30px rgba(87, 166, 255, 0.26),
    inset 0 1px 0 rgba(255, 255, 255, 0.36);
  position: relative;
}

.brand-mark::after {
  content: "";
  position: absolute;
  inset: 9px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.48);
}

.brand-copy strong {
  display: block;
  font-size: 1rem;
}

.brand-copy span {
  display: block;
  font-size: 0.78rem;
  color: var(--muted);
  font-weight: 500;
}

.nav {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.nav a {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--muted);
  transition: 0.22s ease;
}

.nav a:hover,
.nav a.active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

.hero {
  padding: 72px 0 42px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 28px;
  align-items: stretch;
}

.hero-card,
.panel,
.info-card,
.feature-card,
.policy-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero-card {
  padding: 38px;
}

.hero-card::before,
.panel::before,
.info-card::before,
.feature-card::before,
.policy-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.08), transparent 36%),
    linear-gradient(180deg, rgba(87, 166, 255, 0.08), transparent 46%);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: #d4e7ff;
  font-size: 0.84rem;
  font-weight: 600;
}

.hero h1,
.page-header h1 {
  margin: 18px 0 14px;
  font-size: clamp(2.6rem, 4vw, 4.8rem);
  line-height: 0.98;
  letter-spacing: -0.06em;
}

.gradient-text {
  background: linear-gradient(135deg, #ffffff 4%, #92d7ff 35%, #66a8ff 68%, #a78bfa 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead {
  margin: 0;
  max-width: 66ch;
  color: var(--muted);
  font-size: 1.06rem;
  line-height: 1.7;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 18px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  box-shadow: 0 18px 34px rgba(87, 166, 255, 0.22);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 30px;
}

.metric {
  padding: 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.metric strong {
  display: block;
  font-size: 1.4rem;
  margin-bottom: 4px;
}

.metric span {
  color: var(--muted);
  font-size: 0.92rem;
}

.panel {
  padding: 26px;
}

.panel-label {
  color: #d4e7ff;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.panel h2 {
  margin: 12px 0;
  font-size: 1.55rem;
  letter-spacing: -0.04em;
}

.stack {
  display: grid;
  gap: 12px;
}

.stack-card {
  padding: 16px 18px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.stack-card strong {
  display: block;
  margin-bottom: 6px;
}

.stack-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.section {
  padding: 22px 0 34px;
}

.section-header,
.page-header {
  margin-bottom: 24px;
}

.section-header h2 {
  margin: 0 0 10px;
  font-size: clamp(1.8rem, 2vw, 2.4rem);
  letter-spacing: -0.05em;
}

.section-header p,
.page-header p,
.policy-card p,
.policy-card li,
.support-list li {
  color: var(--muted);
  line-height: 1.75;
}

.feature-grid,
.info-grid,
.policy-grid {
  display: grid;
  gap: 18px;
}

.feature-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.info-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

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

.feature-card,
.info-card {
  padding: 24px;
}

.feature-card h3,
.info-card h3,
.policy-card h3 {
  margin: 14px 0 10px;
  font-size: 1.12rem;
}

.feature-card p,
.info-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.icon-pill {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-size: 1.08rem;
  font-weight: 800;
  color: white;
  background: linear-gradient(135deg, rgba(87, 166, 255, 0.92), rgba(139, 92, 246, 0.86));
  box-shadow: 0 12px 26px rgba(87, 166, 255, 0.18);
}

.policy-layout {
  padding: 68px 0 34px;
}

.policy-card {
  padding: 28px;
}

.policy-card + .policy-card {
  margin-top: 18px;
}

.policy-meta {
  display: inline-flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #dcecff;
  font-size: 0.86rem;
}

.support-list,
.policy-list {
  margin: 12px 0 0;
  padding-left: 18px;
}

.footer {
  padding: 34px 0 60px;
  color: var(--muted);
}

.footer-card {
  padding: 22px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: rgba(9, 17, 30, 0.72);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.footer-links a {
  color: #d9ebff;
}

@media (max-width: 980px) {
  .hero-grid,
  .feature-grid,
  .info-grid {
    grid-template-columns: 1fr;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .hero {
    padding-top: 40px;
  }

  .hero-card,
  .panel,
  .feature-card,
  .info-card,
  .policy-card {
    padding: 22px;
  }

  .topbar-inner {
    min-height: 68px;
  }

  .nav {
    display: none;
  }
}