:root {
  --bg: #071824;
  --bg2: #0b2233;
  --panel: rgba(8, 23, 36, 0.82);
  --panel-strong: rgba(10, 28, 44, 0.92);
  --line: rgba(176, 220, 255, 0.18);
  --line-strong: rgba(176, 220, 255, 0.28);
  --text: #eef7fb;
  --muted: #b7ccda;
  --soft: #d8edf8;
  --accent: #7ce4ff;
  --accent-2: #8cc0ff;
  --button-text: #05131e;
  --shadow: 0 30px 70px rgba(0, 0, 0, 0.28);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --max: 1040px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  line-height: 1.65;
  background:
    radial-gradient(circle at top left, rgba(124, 228, 255, 0.18), transparent 26%),
    radial-gradient(circle at top right, rgba(140, 192, 255, 0.16), transparent 28%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg2) 100%);
}
a { color: var(--soft); }
img { max-width: 100%; display: block; }
.wrap {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
}
.site-header {
  padding: 1rem 0 0;
}
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(11, 28, 44, 0.78);
  backdrop-filter: blur(14px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.2);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  color: var(--text);
  text-decoration: none;
}
.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 14px;
  border: 1px solid rgba(176, 220, 255, 0.22);
  background:
    radial-gradient(circle at 30% 30%, rgba(124, 228, 255, 0.95), transparent 30%),
    radial-gradient(circle at 70% 30%, rgba(140, 192, 255, 0.9), transparent 34%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.04));
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.24);
}
.brand-copy strong {
  display: block;
  font-size: 0.96rem;
  letter-spacing: 0.01em;
}
.brand-copy span {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
}
.topnav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.5rem;
}
.topnav a,
.button,
.button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 44px;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  text-decoration: none;
  font-weight: 700;
  transition: transform 0.16s ease, border-color 0.16s ease, background 0.16s ease;
}
.topnav a:hover,
.button:hover,
.button-secondary:hover {
  transform: translateY(-1px);
  border-color: var(--line-strong);
}
.topnav a[aria-current="page"] {
  background: rgba(124, 228, 255, 0.12);
  border-color: rgba(124, 228, 255, 0.32);
}
.button {
  color: var(--button-text);
  background: linear-gradient(180deg, #9fecff 0%, #78dfff 100%);
  border-color: rgba(124, 228, 255, 0.45);
}
.button-secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  padding: 1rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}
.breadcrumbs a {
  text-decoration: none;
}
.hero,
.panel,
.card,
.notice {
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}
.hero {
  margin: 1rem 0 1.25rem;
  padding: 1.8rem;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(280px, 0.9fr);
  gap: 1.25rem;
  align-items: start;
}
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.8rem;
  color: var(--soft);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.kicker::before {
  content: "";
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 18px rgba(124, 228, 255, 0.45);
}
h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
}
.lead {
  margin: 1rem 0 0;
  font-size: 1.05rem;
  color: var(--soft);
}
.meta-line {
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.95rem;
}
.hero-actions,
.inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.4rem;
}
.stat-card,
.card,
.notice {
  padding: 1.25rem;
}
.stat-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel-strong);
}
.stat-card + .stat-card {
  margin-top: 0.85rem;
}
.stat-card .label {
  color: var(--muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.stat-card strong {
  display: block;
  margin-top: 0.45rem;
  font-size: 1rem;
}
.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin: 1rem 0 0;
}
.card h2,
.panel h2,
.notice h2 {
  margin: 0 0 0.7rem;
  font-size: 1.3rem;
}
.card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}
.card p,
.panel p,
.notice p,
.panel li,
.card li {
  color: var(--muted);
}
.panel {
  margin: 1rem 0;
  padding: 1.5rem;
}
ul {
  margin: 0.75rem 0 0;
  padding-left: 1.2rem;
}
li + li {
  margin-top: 0.45rem;
}
.notice {
  margin-top: 1rem;
  background: rgba(124, 228, 255, 0.08);
}
.footer {
  padding: 1.5rem 0 3rem;
  color: var(--muted);
  font-size: 0.95rem;
}
.footer a {
  color: var(--soft);
}
@media (max-width: 860px) {
  .topbar,
  .hero-grid,
  .grid {
    grid-template-columns: 1fr;
  }
  .topbar {
    border-radius: 28px;
  }
  .topnav {
    justify-content: flex-start;
  }
}
@media (max-width: 640px) {
  .wrap {
    width: min(var(--max), calc(100% - 1rem));
  }
  .hero,
  .panel,
  .card,
  .notice {
    border-radius: 22px;
  }
  .hero,
  .panel {
    padding: 1.2rem;
  }
  .topbar {
    padding: 1rem;
  }
}