:root{
  --bg:#0b0e14; --surface:#12161f; --surface-2:#181d29;
  --text:#e8eaf0; --muted:#9aa3b5; --line:#232a3a;
  --accent:#4cc9f0; --accent-2:#f72585;
  --max:1440px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:"Segoe UI",system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 clamp(20px,4vw,64px)}

header.site{border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(11,14,20,.85);backdrop-filter:blur(10px);z-index:10}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{font-weight:800;font-size:1.15rem;letter-spacing:.02em;display:flex;align-items:center;gap:.6rem}
.logo .disc{width:26px;height:26px;border-radius:50%;background:conic-gradient(from 40deg,var(--accent),var(--accent-2),#7209b7,var(--accent));box-shadow:0 0 18px rgba(76,201,240,.45);position:relative}
.logo .disc::after{content:"";position:absolute;inset:9px;border-radius:50%;background:var(--bg)}
nav.top{display:flex;gap:2rem;font-size:.92rem;color:var(--muted)}
nav.top a:hover{color:var(--accent)}

.hero{padding:clamp(64px,9vw,130px) 0 clamp(48px,6vw,90px);border-bottom:1px solid var(--line);background:radial-gradient(1100px 480px at 78% -10%,rgba(114,9,183,.28),transparent 60%),radial-gradient(900px 420px at 12% 0%,rgba(76,201,240,.16),transparent 55%)}
.hero h1{font-size:clamp(2.4rem,5.2vw,4.6rem);line-height:1.05;font-weight:800;letter-spacing:-.02em;max-width:20ch}
.hero h1 span{background:linear-gradient(90deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{margin-top:1.4rem;max-width:62ch;color:var(--muted);font-size:clamp(1rem,1.4vw,1.2rem)}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:28px;padding:clamp(48px,6vw,84px) 0}
.card{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:34px;display:flex;flex-direction:column;gap:14px;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;position:relative;overflow:hidden}
.card::before{content:"";position:absolute;top:-70px;right:-70px;width:170px;height:170px;border-radius:50%;background:conic-gradient(from 20deg,rgba(76,201,240,.25),rgba(247,37,133,.25),transparent 70%);opacity:0;transition:opacity .25s}
.card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:0 18px 44px rgba(0,0,0,.45)}
.card:hover::before{opacity:1}
.card h2{font-size:1.35rem;line-height:1.3;font-weight:700;letter-spacing:-.01em}
.card p{color:var(--muted);font-size:.97rem;flex:1}
.card .read{color:var(--accent);font-weight:600;font-size:.9rem;letter-spacing:.04em;text-transform:uppercase}
.section-label{padding-top:clamp(48px,6vw,80px);color:var(--muted);text-transform:uppercase;letter-spacing:.22em;font-size:.78rem;font-weight:700}

article.post{padding:clamp(56px,7vw,100px) 0}
article.post h1{font-size:clamp(2rem,4vw,3.4rem);line-height:1.12;font-weight:800;letter-spacing:-.02em;max-width:24ch}
article.post .body{margin-top:2.4rem;max-width:860px;font-size:clamp(1.02rem,1.25vw,1.15rem);color:#cfd5e0}
article.post .body p{margin-bottom:1.5em}
article.post .body a{color:var(--accent);text-decoration:underline}
.back{display:inline-block;margin-bottom:2rem;color:var(--muted);font-size:.9rem}
.back:hover{color:var(--accent)}

footer.site{border-top:1px solid var(--line);padding:40px 0;color:var(--muted);font-size:.9rem}
footer.site .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}
@media(max-width:640px){nav.top{display:none}}