:root{
  --bg:#0a0a0a; --panel:#121212; --line:#222;
  --text:#e9e9e9; --sub:#b7b7b7; --accent:#ffffff;
  --card:#141414; --shadow:0 8px 30px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0; font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,Inter,Arial,sans-serif; color:var(--text); background:var(--bg)}
a{color:inherit; text-decoration:none}
img{max-width:100%; display:block}
.container{max-width:1200px; margin:0 auto; padding:0 20px}

/* Header */
.site-header{position:sticky; top:0; z-index:50; backdrop-filter:saturate(120%) blur(8px); background:rgba(10,10,10,.72); border-bottom:1px solid var(--line)}
.nav{display:flex; align-items:center; justify-content:space-between; padding:12px 0}
.brand{display:flex; align-items:center; gap:10px; letter-spacing:.06em; text-transform:uppercase; font-weight:600}
.brand__mark{width:26px; height:26px; border-radius:50%; background:linear-gradient(145deg,#1a1a1a,#0e0e0e); box-shadow:inset 0 1px 0 #2a2a2a}
.menu{display:flex; gap:20px; font-size:14px; color:var(--sub)}
.menu a{padding:8px 0; border-bottom:2px solid transparent}
.menu a:hover{color:var(--text)}
.menu a.active{color:var(--text); border-color:#555}

/* Hero */
.hero{position:relative; isolation:isolate; background:radial-gradient(1200px 500px at 70% -10%, rgba(255,255,255,.06), transparent);}
.hero .hero-inner{padding:80px 0 56px; display:grid; grid-template-columns:1.1fr .9fr; gap:30px}
.badge{display:inline-block; padding:6px 10px; border:1px solid var(--line); border-radius:999px; color:#cfcfcf; background:rgba(255,255,255,.04); font-size:12px; letter-spacing:.08em; text-transform:uppercase}
h1, h2, h3{margin:0 0 10px 0; font-weight:600}
h1{font-size:48px; line-height:1.1}
h2{font-size:28px}
p.muted{color:var(--sub)}

/* Cards */
.grid{display:grid; gap:18px}
.grid.cols-3{grid-template-columns:repeat(3, minmax(0,1fr))}
.card{background:var(--card); border:1px solid var(--line); border-radius:14px; overflow:hidden; box-shadow:var(--shadow)}
.card .thumb{aspect-ratio:4/3; background:#0e0e0e; display:flex; align-items:center; justify-content:center; color:#777}
.card .body{padding:14px}
.meta{color:#cfcfcf; font-size:13px}

/* Footer */
.site-footer{border-top:1px solid var(--line); background:#0b0b0b; padding:24px 0}
.footer-inner{display:grid; grid-template-columns:repeat(3, minmax(0,1fr)); gap:16px; align-items:flex-start}
.tiny{font-size:12px; padding-top:8px}

/* Content helpers */
.section{padding:40px 0}
.btn{display:inline-block; border:1px solid #555; padding:10px 16px; border-radius:10px}
.btn:hover{background:#1b1b1b}
.lead{font-size:18px; color:var(--sub)}
.table{width:100%; border-collapse:collapse}
.table th,.table td{border-bottom:1px solid var(--line); padding:10px; text-align:left}
@media (max-width: 900px){
  .hero .hero-inner{grid-template-columns:1fr}
  .grid.cols-3{grid-template-columns:1fr 1fr}
}
@media (max-width: 640px){
  .grid.cols-3{grid-template-columns:1fr}
  h1{font-size:36px}
}

.form-success{
  margin:40px auto;
  padding:24px 28px;
  max-width:520px;
  text-align:center;
  font-size:22px;
  font-weight:700;
  line-height:1.4;
  color:#0f5132;
  background:#d1e7dd;
  border:1px solid #badbcc;
  border-radius:12px;
}