:root{
  --bg: #0b0b0c;
  --panel: #121214;
  --text: #f3f3f3;
  --muted: #b9b9b9;
  --line: #2a2a2e;
  --accent: #e6e6e6;
  --max: 1100px;
}

*{ box-sizing: border-box; }
html,body{ margin:0; padding:0; background: var(--bg); color: var(--text); font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial; }

.container{ max-width: var(--max); margin: 0 auto; padding: 0 18px; }

.site-header{
  position: sticky; top: 0;
  background: rgba(11,11,12,0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  z-index: 50;
}

.header-inner{ display:flex; align-items:center; justify-content:space-between; padding: 14px 0; gap: 16px; }

.brand{ display:flex; align-items:center; gap: 14px; color: var(--text); text-decoration:none; }
.logo{ width: 54px; height: 54px; object-fit: contain; filter: drop-shadow(0 2px 10px rgba(0,0,0,0.45)); }
.brand-title{ font-weight: 800; letter-spacing: 0.06em; text-transform: uppercase; }
.brand-subtitle{ color: var(--muted); font-size: 0.92rem; }

.nav{ display:flex; gap: 14px; flex-wrap: wrap; }
.nav a{
  color: var(--muted);
  text-decoration: none;
  padding: 8px 10px;
  border: 1px solid transparent;
  border-radius: 10px;
}
.nav a:hover{ color: var(--text); border-color: var(--line); background: rgba(255,255,255,0.03); }
.nav a.active{ color: var(--text); border-color: var(--line); background: rgba(255,255,255,0.05); }

.hero{
  padding: 54px 0 30px;
  border-bottom: 1px solid var(--line);
  background: radial-gradient(1200px 500px at 20% 0%, rgba(255,255,255,0.07), transparent 60%);
}
.hero-inner h1{ font-size: clamp(2rem, 3vw, 3rem); margin: 0 0 10px; }
.lead{ color: var(--muted); font-size: 1.08rem; max-width: 70ch; }

.section{ padding: 34px 0; }
.cards{
  margin-top: 18px;
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
@media (max-width: 900px){
  .cards{ grid-template-columns: 1fr; }
  .header-inner{ flex-direction: column; align-items: flex-start; }
}

.card{
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px;
}
.card h2{ margin: 0 0 8px; font-size: 1.15rem; }
.card p{ color: var(--muted); margin: 0 0 12px; }
.bullets{ margin: 0; padding-left: 18px; color: var(--muted); }
.bullets li{ margin: 6px 0; }

.button{
  display:inline-block;
  text-decoration:none;
  color: var(--bg);
  background: var(--accent);
  padding: 10px 12px;
  border-radius: 12px;
  font-weight: 700;
}
.button:hover{ filter: brightness(0.95); }

.notice{
  margin-top: 18px;
  border: 1px dashed rgba(230,230,230,0.25);
  background: rgba(255,255,255,0.03);
  padding: 14px 16px;
  border-radius: 16px;
  color: var(--muted);
}

.link-list{ list-style:none; padding: 0; margin: 10px 0 0; }
.link-list li{ display:flex; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.link-list span{ min-width: 160px; color: var(--text); font-weight: 700; }
.muted{ color: var(--muted); }

.prose h2{ margin-top: 18px; }
.prose p{ color: var(--muted); line-height: 1.6; }

.site-footer{
  border-top: 1px solid var(--line);
  padding: 18px 0;
}
.footer-inner{ display:flex; justify-content:space-between; align-items:center; gap: 10px; flex-wrap: wrap; }
.site-footer a{ color: var(--muted); text-decoration:none; }
.site-footer a:hover{ color: var(--text); }
code{ background: rgba(255,255,255,0.06); padding: 2px 6px; border-radius: 8px; }