:root{
  --bg:#0b0d0f;
  --surface:#14181c;
  --surface2:#1b2025;
  --border:#2a3138;
  --text:#f5f7f8;
  --muted:#a7b0b8;
  --accent:#7891a6;
  --accent2:#c7d0d8;
  --ok:#8fb59b;
  --danger:#d7a3a3;
  --max:980px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(circle at 20% -10%, rgba(110,136,158,.15), transparent 36%),
    var(--bg);
  color:var(--text);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  line-height:1.65;
}
a{color:#c8d7e5;text-decoration:none}
a:hover{text-decoration:underline}
.wrap{width:min(var(--max),calc(100% - 36px));margin:auto}
.topbar{
  position:sticky;top:0;z-index:20;
  backdrop-filter:blur(14px);
  background:rgba(11,13,15,.88);
  border-bottom:1px solid rgba(255,255,255,.07);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}
.brand{display:flex;align-items:center;gap:13px;font-weight:700;letter-spacing:.02em}
.brand-logo{
  width:52px;height:52px;object-fit:cover;
  border-radius:12px;background:#fff;
}
.brand small{display:block;color:var(--muted);font-weight:500;font-size:.77rem;letter-spacing:.08em;text-transform:uppercase}
.navlinks{display:flex;gap:18px;flex-wrap:wrap;font-size:.94rem}
.hero{padding:72px 0 34px}
.eyebrow{color:var(--accent2);font-size:.82rem;letter-spacing:.13em;text-transform:uppercase;font-weight:700}
h1{font-size:clamp(2.15rem,6vw,4.3rem);line-height:1.03;margin:.4rem 0 1rem;letter-spacing:-.045em}
h2{font-size:1.55rem;margin:2.2rem 0 .7rem;letter-spacing:-.02em}
h3{font-size:1.08rem;margin:1.6rem 0 .5rem}
.lead{color:#c9d0d6;font-size:1.12rem;max-width:760px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:28px 0 70px}
.card{
  display:block;padding:22px;border:1px solid var(--border);border-radius:18px;
  background:linear-gradient(180deg,rgba(255,255,255,.035),rgba(255,255,255,.018));
  color:var(--text);min-height:175px;
}
.card:hover{border-color:#48545f;text-decoration:none;transform:translateY(-1px)}
.card .tag{font-size:.75rem;color:var(--muted);letter-spacing:.09em;text-transform:uppercase}
.card h2{margin:.6rem 0 .4rem;font-size:1.22rem}
.card p{margin:0;color:var(--muted)}
.article{padding:40px 0 80px}
.article-header{
  border-bottom:1px solid var(--border);
  padding-bottom:28px;margin-bottom:30px
}
.meta{color:var(--muted);font-size:.92rem}
.section{
  background:rgba(255,255,255,.018);
  border:1px solid var(--border);
  border-radius:18px;padding:22px 24px;margin:16px 0
}
ul{padding-left:1.25rem}
li+li{margin-top:.35rem}
.notice{
  border-left:3px solid var(--accent);
  background:#11171c;
  padding:16px 18px;border-radius:10px;
  margin:20px 0;color:#d5dde3
}
.button{
  display:inline-flex;align-items:center;justify-content:center;
  margin-top:12px;padding:13px 18px;border-radius:12px;
  background:#d9e2e8;color:#11161a;font-weight:700;
}
.button:hover{text-decoration:none;filter:brightness(.96)}
.button.secondary{background:#1d252b;color:#eaf0f4;border:1px solid #39434b}
footer{border-top:1px solid var(--border);padding:30px 0 45px;color:var(--muted);font-size:.9rem}
.footer-row{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.kv{display:grid;grid-template-columns:160px 1fr;gap:8px 18px}
.kv div:nth-child(odd){color:var(--muted)}
code{background:#171d22;padding:.15rem .4rem;border-radius:6px}
@media(max-width:760px){
  .nav{align-items:flex-start;padding:12px 0;flex-direction:column}
  .navlinks{padding-bottom:10px}
  .hero{padding-top:48px}
  .grid{grid-template-columns:1fr}
  .kv{grid-template-columns:1fr}
}