*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:#e4e4e7;
  background:linear-gradient(180deg,#050505 0%,#131316 50%,#1c1c20 100%);
  background-attachment:fixed;
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
  position:relative;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
.wrap{max-width:1100px;margin:0 auto;padding:0 24px}

/* ambient glows */
.glow{position:fixed;border-radius:50%;filter:blur(80px);pointer-events:none;z-index:0}
.glow-a{top:-160px;left:-160px;width:480px;height:480px;background:radial-gradient(circle,rgba(255,255,255,.08),transparent 70%)}
.glow-b{top:33%;right:-160px;width:520px;height:520px;background:radial-gradient(circle,rgba(255,255,255,.06),transparent 70%)}

/* header */
.site-header{position:sticky;top:0;z-index:50;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);background:rgba(0,0,0,.5);border-bottom:1px solid rgba(255,255,255,.1)}
.nav{display:flex;justify-content:space-between;align-items:center;padding:16px 24px}
.brand{font-weight:600;letter-spacing:-.01em;color:#f4f4f5;transition:color .3s}
.brand:hover{color:#fff}
.brand span{color:#71717a}
.nav nav{display:flex;gap:28px}
.nav nav a{font-size:14px;color:#71717a;transition:color .3s}
.nav nav a:hover{color:#f4f4f5}

/* pill */
.pill{display:inline-block;font-size:10px;text-transform:uppercase;letter-spacing:.2em;padding:4px 12px;border-radius:999px;border:1px solid rgba(255,255,255,.1);color:#a1a1aa;background:rgba(255,255,255,.02)}

/* hero */
.hero{padding:96px 24px 48px;text-align:center;position:relative;z-index:1}
.hero h1{margin-top:20px;font-size:clamp(36px,5vw,60px);font-weight:600;line-height:1.1;letter-spacing:-.02em;color:#f4f4f5}
.grad{background:linear-gradient(180deg,#f4f4f5 0%,#71717a 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{margin:20px auto 0;max-width:560px;color:#71717a;font-size:17px}

/* featured */
.featured{position:relative;z-index:1;border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:40px;margin-top:16px;background:linear-gradient(180deg,#1a1a1d,#0f0f12);transition:border-color .5s,transform .5s;overflow:hidden}
.featured::before{content:"";position:absolute;inset:0;background:radial-gradient(600px circle at 30% 0%,rgba(255,255,255,.06),transparent 50%);opacity:0;transition:opacity .7s;pointer-events:none}
.featured:hover{border-color:rgba(255,255,255,.25)}
.featured:hover::before{opacity:1}
.featured h2{font-size:clamp(28px,3.5vw,36px);font-weight:600;letter-spacing:-.02em;margin-top:12px;color:#f4f4f5}
.featured > p{color:#71717a;max-width:560px;margin-top:8px;line-height:1.6}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;margin-top:16px;padding:8px 16px;border-radius:8px;font-size:12px;font-weight:500;border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.05);color:#d4d4d8;transition:all .3s;cursor:pointer}
.btn:hover{background:#f4f4f5;color:#18181b;border-color:#f4f4f5;transform:translateY(-2px);box-shadow:0 8px 24px -10px rgba(255,255,255,.2)}
.btn-lg{margin-top:24px;padding:10px 20px;font-size:14px}
.btn-lg:hover{box-shadow:0 10px 30px -10px rgba(255,255,255,.25)}

/* section labels */
.section-label{position:relative;z-index:1;font-size:11px;text-transform:uppercase;letter-spacing:.2em;color:#71717a;margin:80px 0 20px;font-weight:500}

/* grid */
.grid{position:relative;z-index:1;display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}
.card{position:relative;border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:24px;background:linear-gradient(180deg,#161618,#0d0d10);overflow:hidden;transition:border-color .5s,transform .5s}
.card::before{content:"";position:absolute;inset:0;background:radial-gradient(400px circle at 50% 0%,rgba(255,255,255,.05),transparent 60%);opacity:0;transition:opacity .5s;pointer-events:none}
.card:hover{border-color:rgba(255,255,255,.25);transform:translateY(-4px)}
.card:hover::before{opacity:1}
.card h4{margin-top:12px;font-size:17px;font-weight:500;letter-spacing:-.01em;color:#f4f4f5}
.card .author{font-size:12px;color:#71717a;margin-top:2px}
.card > p:not(.author){font-size:13px;color:#71717a;margin-top:12px;line-height:1.6;min-height:56px}

/* panels */
.panel{position:relative;z-index:1;border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:24px;background:linear-gradient(180deg,#161618,#0d0d10);transition:border-color .3s}
.panel:hover{border-color:rgba(255,255,255,.2)}
.panel ol{padding-left:20px;color:#a1a1aa;font-size:14px;line-height:1.8}
.panel ol li{margin-bottom:4px}
.panel strong{color:#f4f4f5}
.panel code{color:#d4d4d8;background:rgba(255,255,255,.05);padding:1px 6px;border-radius:4px;font-size:.9em}
.panel p{color:#71717a;font-size:14px;line-height:1.6}

/* footer */
footer{margin-top:80px;border-top:1px solid rgba(255,255,255,.1);padding:24px 0;text-align:center;font-size:12px;color:#52525b}

/* reveal animation (no JS — animate on load with staggered delay) */
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.reveal{opacity:0;animation:fadeUp .8s ease-out forwards}
.hero.reveal{animation-delay:.1s}
.featured.reveal{animation-delay:.3s}
.grid .card:nth-child(1){animation:fadeUp .7s ease-out .5s forwards;opacity:0}
.grid .card:nth-child(2){animation:fadeUp .7s ease-out .6s forwards;opacity:0}
.grid .card:nth-child(3){animation:fadeUp .7s ease-out .7s forwards;opacity:0}
.grid .card:nth-child(4){animation:fadeUp .7s ease-out .8s forwards;opacity:0}
.grid .card:nth-child(5){animation:fadeUp .7s ease-out .9s forwards;opacity:0}
.grid .card:nth-child(6){animation:fadeUp .7s ease-out 1s forwards;opacity:0}
.grid .card:nth-child(7){animation:fadeUp .7s ease-out 1.1s forwards;opacity:0}
.section-label.reveal{animation-delay:.2s}
.panel.reveal{animation-delay:.3s}

@media (max-width:640px){
  .hero{padding-top:64px}
  .featured{padding:28px}
  .nav nav{gap:18px}
}