:root{
  --bg:#08111f;
  --surface:#101c30;
  --surface2:#14233b;
  --text:#edf4ff;
  --muted:#aebbd0;
  --line:rgba(255,255,255,.10);
  --accent:#77a8ff;
  --accent2:#91f0c4;
  --max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,Arial,sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at 80% -10%,rgba(119,168,255,.15),transparent 30%),
    linear-gradient(180deg,#07101e 0%,#0a1425 100%);
  line-height:1.7;
}
a{color:inherit}
.container{width:min(92%,var(--max));margin:0 auto}
.site-header{
  position:sticky;top:0;z-index:20;
  background:rgba(7,16,30,.88);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line)
}
.nav{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{font-weight:850;font-size:1.25rem;text-decoration:none;letter-spacing:.2px}
.brand span{color:var(--accent)}
.navlinks{display:flex;gap:18px;flex-wrap:wrap}
.navlinks a{color:var(--muted);text-decoration:none;font-size:.95rem}
.navlinks a:hover{color:var(--text)}
.hero{padding:86px 0 60px;display:grid;grid-template-columns:1.3fr .7fr;gap:42px;align-items:center}
.kicker{display:inline-block;border:1px solid var(--line);border-radius:999px;padding:7px 11px;color:var(--accent2);font-size:.82rem}
h1{font-size:clamp(2.5rem,6vw,5.2rem);line-height:1.02;letter-spacing:-2.6px;margin:18px 0}
h2{font-size:clamp(1.7rem,3vw,2.45rem);line-height:1.2;margin:0 0 14px}
h3{line-height:1.3}
p{color:var(--muted)}
.lead{font-size:1.12rem;max-width:760px}
.panel,.card,.article-shell,.notice{
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(20,35,59,.92),rgba(15,28,48,.92));
  border-radius:20px
}
.panel{padding:28px}
.panel strong{display:block;margin-bottom:8px}
.btns{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:46px;padding:0 18px;border-radius:12px;
  text-decoration:none;font-weight:750;border:1px solid var(--line)
}
.btn.primary{background:var(--accent);color:#07101e;border-color:transparent}
.section{padding:54px 0}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{padding:22px}
.card h3{margin:0 0 8px}
.card p{margin-bottom:14px}
.card a{color:var(--accent2);text-decoration:none;font-weight:700}
.article-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.article-shell{padding:clamp(24px,4vw,44px);margin:46px auto;max-width:900px}
.article-shell h1{font-size:clamp(2.3rem,5vw,4.2rem);letter-spacing:-1.6px}
.article-shell h2{margin-top:38px}
.article-shell li{color:var(--muted);margin:.45rem 0}
.article-shell a{color:var(--accent)}
.meta{font-size:.92rem;color:var(--muted);margin-bottom:28px}
.notice{padding:18px 20px;margin:24px 0}
.notice strong{color:var(--text)}
.page-head{padding:64px 0 24px}
.page-head h1{font-size:clamp(2.4rem,5vw,4.3rem)}
.footer{
  border-top:1px solid var(--line);margin-top:50px;padding:34px 0 48px;color:var(--muted)
}
.footer-grid{display:grid;grid-template-columns:1fr auto;gap:28px;align-items:start}
.footer-links{display:flex;gap:15px;flex-wrap:wrap}
.footer a{color:var(--muted);text-decoration:none}
.prose{max-width:850px}
.prose h2{margin-top:34px}
.contact-box{max-width:720px}
code{background:#0b1526;border:1px solid var(--line);padding:.16rem .4rem;border-radius:6px}
@media(max-width:820px){
  .hero{grid-template-columns:1fr;padding-top:58px}
  .grid,.article-list{grid-template-columns:1fr}
  .nav{align-items:flex-start;padding:18px 0}
  .navlinks{justify-content:flex-end}
  .footer-grid{grid-template-columns:1fr}
}