:root {
  --bg-0: #060a15;
  --bg-1: #0b1224;
  --bg-2: #101936;
  --bg-3: #132043;
  --panel: rgba(15, 23, 46, 0.72);
  --panel-strong: rgba(18, 28, 56, 0.9);
  --panel-soft: rgba(255, 255, 255, 0.04);
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --text: #eef3ff;
  --muted: #aab6d3;
  --muted-2: #8594b8;
  --accent: #7e8dff;
  --accent-2: #54d9ff;
  --accent-3: #a56dff;
  --glow: rgba(84, 217, 255, 0.18);
  --shadow: 0 18px 54px rgba(0, 0, 0, 0.34);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --max: 1180px;
  --nav-h: 76px;
  --transition: 220ms ease;
}

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

html {
  scroll-behavior: smooth;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 14% 12%, rgba(126, 141, 255, 0.18), transparent 0 22%),
    radial-gradient(circle at 86% 10%, rgba(84, 217, 255, 0.12), transparent 0 16%),
    radial-gradient(circle at 80% 72%, rgba(165, 109, 255, 0.1), transparent 0 18%),
    linear-gradient(180deg, var(--bg-1) 0%, var(--bg-0) 100%);
  line-height: 1.6;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(255, 255, 255, 0.016), rgba(255, 255, 255, 0.016)),
    repeating-linear-gradient(
      0deg,
      rgba(255, 255, 255, 0.01) 0,
      rgba(255, 255, 255, 0.01) 1px,
      transparent 1px,
      transparent 28px
    );
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.65), rgba(0, 0, 0, 0.2));
}

@supports not (mask-image: linear-gradient(black, transparent)) {
  body::before {
    display: none;
  }
}

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

img {
  max-width: 100%;
  display: block;
}

p {
  margin: 0 0 14px;
  color: var(--muted);
}

h1,
h2,
h3,
h4 {
  margin: 0 0 12px;
  line-height: 1.08;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.4rem, 5vw, 4.8rem);
}

h2 {
  font-size: clamp(1.45rem, 2.4vw, 2.2rem);
}

h3 {
  font-size: 1.18rem;
}

small {
  color: var(--muted-2);
}

.small-note {
  color: var(--muted-2);
  font-size: 0.92rem;
}

.site-shell,
.page-shell {
  width: min(calc(100% - 28px), var(--max));
  margin: 0 auto;
  padding: 24px 0 72px;
}

.topnav {
  position: sticky;
  top: 16px;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: var(--nav-h);
  margin-bottom: 28px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(9, 14, 28, 0.82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-size: 0.96rem;
  font-weight: 800;
  color: white;
  background: linear-gradient(135deg, var(--accent-3), var(--accent-2));
  box-shadow:
    0 12px 30px rgba(84, 217, 255, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  row-gap: 8px;
  flex-wrap: wrap;
  flex: 1;
}

.nav-links a {
  padding: 9px 12px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.95rem;
  white-space: nowrap;
  transition:
    color var(--transition),
    background var(--transition),
    transform var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-1px);
}

.hero,
.card,
.content-card,
.notice-card,
.app-card,
.feature-card,
.contact-card,
.meta-item,
.section-block,
.hero-panel {
  border: 1px solid var(--line);
  background: var(--panel);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 36px;
  margin-bottom: 24px;
  content-visibility: auto;
}

.hero::after {
  content: "";
  position: absolute;
  top: -90px;
  right: -90px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(84, 217, 255, 0.14), transparent 62%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.95fr;
  gap: 24px;
  align-items: stretch;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-copy .lead {
  max-width: 720px;
  font-size: 1.05rem;
}

.hero-panel {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 22px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.02));
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  color: var(--accent-2);
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
  box-shadow: 0 0 22px rgba(84, 217, 255, 0.4);
}

.gradient-text {
  background: linear-gradient(90deg, #ffffff 0%, #b7d5ff 35%, #96f0ff 72%, #cfb0ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
}

.cta-row,
.link-pills,
.inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-weight: 700;
  transition:
    transform var(--transition),
    background var(--transition),
    border-color var(--transition),
    box-shadow var(--transition);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  color: white;
  border-color: transparent;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 14px 28px var(--glow);
}

.btn-secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

.stats-row,
.quick-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.stat-chip {
  min-width: 150px;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.stat-chip strong {
  display: block;
  margin-bottom: 4px;
  font-size: 1.02rem;
  color: var(--text);
}

.card,
.content-card,
.notice-card {
  padding: 26px;
  content-visibility: auto;
}

.card + .card {
  margin-top: 20px;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin: 0 0 16px;
}

.grid {
  display: grid;
  gap: 20px;
}

.two-up {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.app-grid,
.feature-grid,
.contact-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.app-card,
.feature-card,
.contact-card {
  position: relative;
  overflow: hidden;
  padding: 22px;
  transition:
    transform var(--transition),
    border-color var(--transition),
    background var(--transition);
}

.app-card:hover,
.feature-card:hover,
.contact-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
}

.app-card::before,
.feature-card::before,
.contact-card::before {
  content: "";
  position: absolute;
  inset: auto auto -70px -70px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(126, 141, 255, 0.12), transparent 68%);
  pointer-events: none;
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 14px;
}

.card-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
}

.card-icon {
  width: 46px;
  height: 46px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  color: white;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-3), var(--accent-2));
  box-shadow: 0 10px 24px rgba(84, 217, 255, 0.14);
}

.link-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 12px;
}

.link-list a,
.link-pills a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  transition:
    background var(--transition),
    transform var(--transition),
    border-color var(--transition);
}

.link-list a:hover,
.link-pills a:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.08);
}

.page-topbar {
  margin-bottom: 18px;
}

.page-topbar a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  transition: var(--transition);
}

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

.meta-list {
  display: grid;
  gap: 12px;
  margin: 20px 0 24px;
}

.meta-item {
  padding: 15px 16px;
  border-radius: var(--radius-md);
  background: var(--panel-soft);
}

.meta-label {
  display: block;
  margin-bottom: 6px;
  color: var(--muted-2);
  font-size: 0.9rem;
}

.section-list {
  display: grid;
  gap: 16px;
  margin-top: 18px;
}

.section-block {
  padding: 18px 18px 16px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.028);
}

.section-block ul {
  margin: 12px 0 0 18px;
  color: var(--muted);
}

.section-block li + li {
  margin-top: 6px;
}

.code-inline {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92em;
}

.footer {
  margin-top: 28px;
  padding: 22px 6px 0;
  border-top: 1px solid var(--line);
  color: var(--muted-2);
  display: grid;
  gap: 6px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 10px;
}

.footer-links a {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}

@media (max-width: 980px) {
  body::before,
  .hero::after,
  .app-card::before,
  .feature-card::before,
  .contact-card::before {
    display: none;
  }

  .hero-grid,
  .two-up,
  .app-grid,
  .feature-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero,
  .card,
  .content-card,
  .notice-card,
  .app-card,
  .feature-card,
  .contact-card,
  .meta-item,
  .section-block,
  .hero-panel,
  .topnav {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .topnav {
    position: relative;
    top: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    border-radius: 24px;
    background: rgba(9, 14, 28, 0.96);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.24);
  }

  .nav-links {
    justify-content: flex-start;
  }
}

@media (max-width: 760px) {
  body::before,
  .hero::after,
  .app-card::before,
  .feature-card::before,
  .contact-card::before {
    display: none;
  }

  .site-shell,
  .page-shell {
    width: min(calc(100% - 22px), var(--max));
    padding-top: 16px;
    padding-bottom: 56px;
  }

  .hero,
  .card,
  .content-card,
  .notice-card,
  .app-card,
  .feature-card,
  .contact-card,
  .meta-item,
  .section-block,
  .hero-panel {
    padding: 20px;
    border-radius: 22px;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.24);
  }

  .topnav {
    position: relative;
    top: 0;
    margin-bottom: 20px;
    min-height: auto;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: rgba(9, 14, 28, 0.96);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.22);
  }

  .nav-links {
    gap: 8px;
  }

  .nav-links a {
    padding: 9px 12px;
    font-size: 0.95rem;
  }

  .btn {
    width: 100%;
  }

  .cta-row,
  .stats-row,
  .quick-stats {
    flex-direction: column;
  }

  .stat-chip {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}