:root{ --bg:#070809; --bg-alt:#0c0f12; --fg:#e6e6e6; --muted:#a8b0b8; --accent:#7bdcff; --accent-2:#b28eff; --card:#0e1318; --border:#1b2026 }
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--fg);font-family:Inter,system-ui,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.55}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.site-header{position:sticky;top:0;z-index:1000;backdrop-filter: blur(8px);background:linear-gradient(180deg, rgba(8,10,12,.85), rgba(8,10,12,.5));border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:12px 20px}
.brand{font-weight:700; letter-spacing:.3px; color:#fff}
.brand-mark{color:var(--accent-2); margin-right:6px}
.nav{display:flex; gap:16px}
.nav a{padding:8px 10px; border-radius:8px}
.nav a:hover{background:var(--border); text-decoration:none}
.nav-toggle{display:none; background:none; border:none; color:#fff; font-size:1.4rem}
.hero{position:relative; min-height:70vh; display:grid; place-items:center; overflow:hidden}
.hero-inner{position:relative; z-index:2; text-align:center; padding:40px 20px; max-width:900px}
.hero h1{font-size:clamp(2rem, 4vw, 3rem); margin:0 0 10px}
.sub{color:var(--muted); margin:0 auto 22px; max-width:720px}
.cta-row{display:flex; gap:12px; justify-content:center; flex-wrap:wrap}
.btn{display:inline-block; padding:12px 18px; border-radius:10px; border:1px solid var(--border); color:#fff; background:transparent}
.btn.primary{background:linear-gradient(135deg,var(--accent-2),var(--accent)); border-color:transparent}
.btn:hover{filter:brightness(1.08)}
.hero-bg{position:absolute; inset:-10%; background:
 radial-gradient(1200px 600px at 50% -20%, rgba(123,220,255,.18), transparent 60%),
 radial-gradient(800px 500px at 90% 20%, rgba(178,142,255,.18), transparent 60%),
 radial-gradient(900px 600px at 10% 60%, rgba(123,220,255,.12), transparent 60%),
 linear-gradient(180deg, rgba(10,12,16,.6), rgba(5,7,9,1)); filter:saturate(120%) blur(0.2px)}
.features{display:grid; gap:16px; grid-template-columns:repeat(auto-fit, minmax(240px,1fr)); padding:32px 20px 60px; max-width:1100px; margin:0 auto}
.features article{background:var(--card); border:1px solid var(--border); border-radius:14px; padding:18px}
.page{max-width:900px; margin:40px auto; padding:0 20px}
.pillars{display:grid; gap:12px; padding-left:18px}
.note{color:var(--muted)}
.post-card{background:var(--card); border:1px solid var(--border); border-radius:14px; padding:16px; margin:16px 0}
.post-card time{color:var(--muted); font-size:.95rem}
.site-footer{border-top:1px solid var(--border);color:var(--muted);text-align:center;padding:24px 12px; margin-top:40px}
@media (max-width:720px){
  .nav{display:none}
  .nav.open{display:flex; flex-direction:column; gap:10px; background:#0b0f14; position:absolute; top:56px; right:12px; padding:12px 14px; border:1px solid var(--border); border-radius:12px}
  .nav-toggle{display:block}
}