:root{
  --bg:#0b0f14;
  --panel:#0f1620;
  --text:#eaf2ff;
  --muted:#a9b7c6;
  --brand:#25d18a;
  --line:rgba(255,255,255,.09);
  --card:#111b27;
  --shadow: 0 12px 35px rgba(0,0,0,.35);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(1200px 700px at 20% -10%, rgba(37,209,138,.18), transparent 60%),
              radial-gradient(900px 600px at 90% 0%, rgba(60,160,255,.14), transparent 60%),
              var(--bg);
  color:var(--text);
  line-height:1.65;
}

a{color:inherit;text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1120px;margin:0 auto;padding:0 18px}

.header{
  position:sticky; top:0; z-index:20;
  background:rgba(11,15,20,.82);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 0;
  gap:14px;
}
.brand{
  display:flex; align-items:center; gap:10px;
  font-weight:800; letter-spacing:.2px;
}
.logo{
  width:34px;height:34px;border-radius:10px;
  background: linear-gradient(135deg, rgba(37,209,138,1), rgba(60,160,255,1));
  box-shadow: var(--shadow);
}
.menu{
  display:flex; flex-wrap:wrap; gap:14px;
  font-size:14px;
  color:var(--muted);
}
.menu a{padding:8px 10px;border-radius:10px}
.menu a:hover{background:rgba(255,255,255,.06); text-decoration:none}
.cta{
  display:flex; gap:10px; align-items:center;
}
.button{
  display:inline-flex; align-items:center; justify-content:center;
  padding:10px 14px; border-radius:12px;
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
  color:var(--text);
  font-weight:600;
}
.button.primary{
  background: linear-gradient(135deg, rgba(37,209,138,.95), rgba(60,160,255,.9));
  border:0;
  color:#071019;
}
.button:hover{filter:brightness(1.05); text-decoration:none}

.hero{
  padding:44px 0 20px 0;
}
.hero-grid{
  display:grid; grid-template-columns: 1.25fr .75fr; gap:18px;
}
.hero-card{
  background:rgba(17,27,39,.65);
  border:1px solid var(--line);
  border-radius:18px;
  box-shadow: var(--shadow);
  padding:22px;
}
.kicker{color:var(--brand); font-weight:700; font-size:13px; letter-spacing:.4px; text-transform:uppercase}
.h1{font-size:38px; line-height:1.12; margin:10px 0 10px 0; font-weight:900}
.sub{color:var(--muted); margin:0}
.meta-row{display:flex; flex-wrap:wrap; gap:10px; margin-top:14px}
.pill{
  font-size:12px; color:var(--muted);
  border:1px solid var(--line);
  padding:6px 10px; border-radius:999px;
  background:rgba(255,255,255,.04);
}

.section{padding:18px 0 46px 0}
.section h2{margin:0 0 10px 0; font-size:22px}
.section p.lead{color:var(--muted); margin:0 0 14px 0}
.grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:14px;
}
.card{
  background:rgba(17,27,39,.72);
  border:1px solid var(--line);
  border-radius:16px;
  padding:16px;
  box-shadow: var(--shadow);
  min-height:150px;
}
.card h3{margin:0 0 6px 0; font-size:18px}
.card p{margin:0;color:var(--muted)}
.card .small{margin-top:10px;font-size:12px;color:rgba(233,242,255,.72)}
.card:hover{transform: translateY(-1px); transition: .18s ease}

.two-col{
  display:grid; grid-template-columns: 1fr 1fr; gap:14px;
}
.embed{
  aspect-ratio: 16/9;
  width:100%;
  border:0;
  border-radius:14px;
  background:#000;
}

.article{
  max-width: 820px;
  margin: 0 auto;
  padding: 26px 0 56px 0;
}
.article h1{font-size:34px; line-height:1.15; margin:8px 0 8px 0}
.article .by{color:var(--muted); font-size:14px; margin:0 0 18px 0}
.article .toc{
  border:1px solid var(--line);
  border-radius:14px;
  padding:14px;
  background:rgba(255,255,255,.03);
  color:var(--muted);
  margin:18px 0 18px 0;
}
.article .toc a{color:var(--text)}
.article h2{margin-top:22px}
.article ul{color:var(--muted)}
.readmore{
  margin-top:28px;
  border-top:1px solid var(--line);
  padding-top:18px;
}
.readmore .links{
  display:flex; flex-wrap:wrap; gap:10px;
}
.footer{
  border-top:1px solid var(--line);
  padding:28px 0;
  color:var(--muted);
  font-size:13px;
}
.footer .cols{
  display:grid; grid-template-columns: 1.2fr .8fr .8fr; gap:14px;
}
.footer a{color:var(--muted)}
.footer a:hover{color:var(--text); text-decoration:none}

.form{
  display:grid; gap:12px; max-width:720px;
}
.input, textarea{
  width:100%;
  padding:12px 12px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--text);
}
textarea{min-height:140px; resize:vertical}

.notice{
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  border-radius:14px;
  padding:14px;
  color:var(--muted);
}

@media (max-width: 900px){
  .hero-grid{grid-template-columns:1fr}
  .grid{grid-template-columns:1fr}
  .two-col{grid-template-columns:1fr}
  .h1{font-size:32px}
  .footer .cols{grid-template-columns:1fr}
}

.panel{background:var(--panel); border:1px solid var(--line); border-radius:16px; padding:18px; box-shadow:var(--shadow)}

/* placeholders (configure when you have the final links) */
a[data-placeholder]{opacity:.6}