:root{
  --bg:#0b1020;
  --bg2:#121a31;
  --panel:rgba(255,255,255,.06);
  --panel2:rgba(255,255,255,.09);
  --text:#f4f7fb;
  --muted:#c7d5eb;
  --accent:#ffd166;
  --accent2:#7bdff2;
  --border:rgba(255,255,255,.14);
  --max:1160px;
  --shadow:0 18px 50px rgba(0,0,0,.28);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,Arial,Helvetica,sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at top left, rgba(123,223,242,.14), transparent 28%),
    radial-gradient(circle at top right, rgba(255,209,102,.14), transparent 25%),
    linear-gradient(180deg,var(--bg),var(--bg2));
  line-height:1.65;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(100% - 2rem,var(--max));margin:0 auto}
.site-header{
  position:sticky;top:0;z-index:99;
  background:rgba(11,16,32,.82);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
}
.nav{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:1rem}
.brand{display:flex;align-items:center;gap:.8rem;font-weight:800;letter-spacing:.03em}
.brand-badge{
  width:44px;height:44px;border-radius:14px;
  display:grid;place-items:center;
  color:#09111d;font-weight:900;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  box-shadow:var(--shadow)
}
.nav-links{display:flex;flex-wrap:wrap;gap:1rem;align-items:center}
.nav-links a{color:var(--muted);font-weight:700}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--text)}
.hero{padding:5.25rem 0 3.5rem}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:2rem;align-items:center}
.eyebrow{
  display:inline-flex;padding:.42rem .78rem;border-radius:999px;
  border:1px solid var(--border);background:var(--panel);color:var(--accent);
  font-size:.86rem;font-weight:800;letter-spacing:.04em;text-transform:uppercase
}
h1,h2,h3{line-height:1.1;margin:0 0 1rem}
h1{font-size:clamp(2.45rem,5vw,4.9rem);letter-spacing:-.03em}
h2{font-size:clamp(1.8rem,3.2vw,2.8rem)}
p{margin:0 0 1rem;color:var(--muted)}
.lead{font-size:clamp(1.05rem,1.6vw,1.2rem);max-width:64ch}
.button-row{display:flex;gap:.9rem;flex-wrap:wrap;margin-top:1.5rem}
.button{
  display:inline-flex;align-items:center;justify-content:center;min-height:48px;
  padding:.85rem 1.15rem;border-radius:999px;border:1px solid transparent;font-weight:800
}
.button-primary{background:linear-gradient(135deg,var(--accent),#ffb703);color:#111827;box-shadow:var(--shadow)}
.button-secondary{background:var(--panel);border-color:var(--border)}
.card,.panel,.stat{
  background:var(--panel);border:1px solid var(--border);border-radius:24px;box-shadow:var(--shadow)
}
.hero-card{padding:1.5rem}
.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;margin-top:1.7rem}
.stat{padding:1rem}
.stat strong{display:block;color:var(--text);font-size:1.2rem}
section{padding:1rem 0 3.5rem}
.section-head{display:flex;justify-content:space-between;gap:1rem;align-items:end;margin-bottom:1.35rem}
.grid-3,.grid-2{display:grid;gap:1.2rem}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.card,.panel{padding:1.5rem}
.tag{
  display:inline-block;margin-bottom:.8rem;color:var(--accent);
  font-size:.82rem;font-weight:800;letter-spacing:.04em;text-transform:uppercase
}
.embed-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.85rem}
.video-frame,.embed-card iframe{
  width:100%;min-height:280px;border:0;border-radius:18px
}
.topics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.9rem}
.topic{
  padding:.85rem 1rem;border-radius:18px;border:1px solid var(--border);
  background:rgba(255,255,255,.04);font-weight:700
}
.list-clean{list-style:none;padding:0;margin:0}
.list-clean li{padding:.9rem 0;border-bottom:1px solid rgba(255,255,255,.09)}
.list-clean li:last-child{border-bottom:0}
.cta-strip{
  margin:1.2rem 0 0;padding:1rem 1.2rem;border-radius:20px;
  background:rgba(123,223,242,.10);border:1px solid rgba(123,223,242,.18)
}
.site-footer{
  padding:2rem 0 3rem;background:rgba(5,9,18,.45);border-top:1px solid var(--border)
}
.footer-row{display:flex;justify-content:space-between;gap:1.5rem;flex-wrap:wrap;align-items:center}
.footer-links{display:flex;flex-wrap:wrap;gap:1rem;list-style:none;padding:0;margin:0;color:var(--muted)}
.kicker{color:var(--text);font-weight:800}
.small{font-size:.95rem}
.notice{
  padding:1rem 1.1rem;border-left:4px solid var(--accent);
  background:rgba(255,209,102,.08);border-radius:14px
}
.article-list article{padding:1rem 0;border-bottom:1px solid rgba(255,255,255,.09)}
.article-list article:last-child{border-bottom:0}
@media (max-width:960px){
  .hero-grid,.grid-3,.grid-2,.topics,.embed-grid,.stats{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:start}
}
@media (max-width:720px){
  .nav{padding:.9rem 0;flex-direction:column;align-items:start}
  .hero{padding-top:3rem}
}