:root {
  --bg: #08111c;
  --panel: #0e1a28;
  --panel-2: #132235;
  --text: #f7fbff;
  --muted: #9fb2c7;
  --line: rgba(255,255,255,.10);
  --accent: #64d6ff;
  --accent-2: #b05cff;
  --shadow: 0 24px 80px rgba(0,0,0,.35);
  --radius: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 15% 10%, rgba(100,214,255,.12), transparent 35%),
    radial-gradient(circle at 85% 25%, rgba(176,92,255,.10), transparent 30%),
    var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", Inter, system-ui, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

.shell { width: min(1080px, calc(100% - 36px)); margin: 0 auto; }

header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(8,17,28,.78);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.nav {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-weight: 780;
  letter-spacing: -.02em;
  font-size: 1.08rem;
}

.brand:hover { text-decoration: none; }

.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  object-fit: cover;
  flex: 0 0 auto;
  box-shadow: 0 6px 20px rgba(69, 91, 255, .22);
}

.hero-icon-wrap {
  width: 116px;
  height: 116px;
  margin: 0 auto 26px;
  padding: 2px;
  border-radius: 29px;
  background: linear-gradient(135deg, rgba(100,214,255,.72), rgba(177,92,255,.72));
  box-shadow: 0 20px 70px rgba(87, 79, 255, .24), 0 0 52px rgba(100,214,255,.12);
}

.hero-icon {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 27px;
}

nav ul { list-style: none; display: flex; gap: 22px; margin: 0; padding: 0; }
nav a { color: var(--muted); font-size: .94rem; }
nav a:hover, nav a[aria-current="page"] { color: var(--text); text-decoration: none; }

.hero {
  padding: 110px 0 86px;
  text-align: center;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border: 1px solid rgba(100,214,255,.22);
  border-radius: 999px;
  background: rgba(100,214,255,.07);
  color: #bcecff;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
}

h1 {
  max-width: 900px;
  margin: 24px auto 18px;
  font-size: clamp(3rem, 9vw, 6.7rem);
  line-height: .94;
  letter-spacing: -.065em;
}

.hero p {
  max-width: 680px;
  margin: 0 auto;
  color: var(--muted);
  font-size: clamp(1.05rem, 2.2vw, 1.28rem);
}

.actions { margin-top: 34px; display:flex; justify-content:center; gap:12px; flex-wrap:wrap; }
.button {
  display:inline-flex; align-items:center; justify-content:center;
  min-height:48px; padding:0 20px; border-radius:14px;
  border:1px solid var(--line); background:var(--panel); color:var(--text); font-weight:700;
}
.button.primary { background:var(--accent); color:#071018; border-color:transparent; }
.button:hover { text-decoration:none; transform:translateY(-1px); }

.grid {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
  padding-bottom:90px;
}
.card {
  padding:28px;
  border-radius:var(--radius);
  background:linear-gradient(180deg, rgba(255,255,255,.045), rgba(255,255,255,.018));
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.card h2 { margin:0 0 8px; font-size:1.1rem; }
.card p { margin:0; color:var(--muted); }

.doc-wrap { padding: 72px 0 90px; }
.doc {
  max-width: 820px;
  margin: 0 auto;
  padding: clamp(26px,5vw,54px);
  background: rgba(14,26,40,.82);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.doc h1 { margin:0 0 10px; font-size:clamp(2.2rem,6vw,4.4rem); line-height:1; }
.doc .updated { color:var(--muted); margin-bottom:34px; }
.doc h2 { margin-top:34px; font-size:1.35rem; letter-spacing:-.02em; }
.doc h3 { margin-top:26px; }
.doc p, .doc li { color:#dbe6f0; }
.doc ul { padding-left:22px; }
.notice {
  margin: 24px 0;
  padding: 16px 18px;
  border-left: 3px solid var(--accent);
  background: rgba(100,214,255,.07);
  color: #dff6ff;
  border-radius: 0 12px 12px 0;
}

.support-grid { display:grid; grid-template-columns:1.2fr .8fr; gap:18px; margin-top:26px; }
.support-box { padding:22px; border:1px solid var(--line); border-radius:18px; background:rgba(255,255,255,.025); }
.support-box h2 { margin-top:0; }

footer { border-top:1px solid var(--line); padding:28px 0 44px; color:var(--muted); font-size:.9rem; }
.footer-row { display:flex; justify-content:space-between; align-items:center; gap:20px; flex-wrap:wrap; }
.footer-links { display:flex; gap:16px; flex-wrap:wrap; }

@media (max-width: 760px) {
  .nav { min-height:64px; }
  nav ul { gap:12px; font-size:.86rem; }
  nav li:first-child { display:none; }
  .hero { padding:82px 0 58px; }
  .grid, .support-grid { grid-template-columns:1fr; }
  .doc-wrap { padding-top:34px; }
}