:root {
  color-scheme: dark;
  --bg: #06111d;
  --panel: #0b1d2f;
  --panel2: #102a43;
  --line: #234866;
  --text: #f5f8fb;
  --muted: #a8b7c7;
  --blue: #2da8ff;
  --blue2: #78c8ff;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 80% 5%, rgba(45,168,255,.16), transparent 28rem),
    linear-gradient(180deg, #071522 0%, var(--bg) 100%);
  color: var(--text);
  line-height: 1.65;
}
.wrap { width: min(1040px, calc(100% - 40px)); margin: 0 auto; }
header {
  border-bottom: 1px solid var(--line);
  background: rgba(5,16,28,.86);
  backdrop-filter: blur(12px);
}
nav { min-height: 78px; display:flex; align-items:center; justify-content:space-between; gap:24px; }
.brand { display:flex; align-items:center; gap:14px; color:var(--text); text-decoration:none; font-weight:800; letter-spacing:.01em; }
.mark { width:44px; height:34px; position:relative; }
.mark:before, .mark:after { content:""; position:absolute; bottom:0; width:0; height:0; border-style:solid; }
.mark:before { left:0; border-width:0 19px 30px 19px; border-color:transparent transparent var(--blue2) transparent; }
.mark:after { left:18px; border-width:0 14px 22px 14px; border-color:transparent transparent var(--blue) transparent; }
.links { display:flex; gap:20px; }
.links a, footer a { color:var(--blue2); text-decoration:none; }
.hero { padding:100px 0 70px; }
.eyebrow { color:var(--blue2); font-weight:800; letter-spacing:.14em; text-transform:uppercase; font-size:.82rem; }
h1 { font-size:clamp(2.7rem,7vw,5.4rem); line-height:1.02; margin:.25em 0; max-width:900px; }
.lead { color:var(--muted); font-size:clamp(1.1rem,2.5vw,1.35rem); max-width:760px; }
.grid { display:grid; grid-template-columns:repeat(3,1fr); gap:18px; padding:28px 0 90px; }
.card { padding:28px; border:1px solid var(--line); border-radius:22px; background:linear-gradient(145deg, rgba(16,42,67,.88), rgba(8,26,42,.9)); }
.card h2 { margin-top:0; font-size:1.2rem; }
.card p { color:var(--muted); margin-bottom:0; }
.notice { margin:0 0 90px; padding:28px; border-left:4px solid var(--blue); background:rgba(16,42,67,.65); border-radius:8px 18px 18px 8px; }
.content { max-width:850px; padding:72px 0 90px; }
.content h1 { font-size:clamp(2.4rem,6vw,4rem); }
.content h2 { margin-top:2.2em; font-size:1.4rem; }
.content p, .content li { color:#c2cfdb; }
.content strong { color:var(--text); }
footer { border-top:1px solid var(--line); color:var(--muted); padding:30px 0 45px; font-size:.95rem; }
@media (max-width:760px) {
  .grid { grid-template-columns:1fr; }
  nav { align-items:flex-start; padding:20px 0; flex-direction:column; }
  .hero { padding-top:70px; }
}