*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#f4f5f7; --surface:#ffffff; --text:#1e293b; --muted:#64748b;
  --accent:#4f46e5; --accent-soft:#e0e7ff; --border:#e2e8f0;
  --shadow:0 1px 3px rgba(15,23,42,.05),0 4px 14px rgba(15,23,42,.04);
}
body{font-family:'Inter','Segoe UI',system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.65}
a{color:inherit;text-decoration:none}
header{position:sticky;top:0;background:rgba(255,255,255,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);z-index:50;padding:1rem 5%;display:flex;justify-content:space-between;align-items:center}
.logo{font-size:1.2rem;font-weight:700;letter-spacing:-.3px}
.logo span{color:var(--accent)}
nav{display:flex;gap:.25rem;flex-wrap:wrap}
nav a{padding:.5rem .85rem;border-radius:6px;font-size:.9rem;color:var(--muted);transition:color .25s,background .25s;position:relative}
nav a::after{content:"";position:absolute;left:.85rem;right:.85rem;bottom:.3rem;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .3s ease}
nav a:hover{color:var(--accent)}
nav a:hover::after{transform:scaleX(1)}
nav a.active{color:var(--accent);background:var(--accent-soft)}
.hero{padding:6rem 5% 5rem;max-width:1200px;margin:0 auto;text-align:center}
.hero .eyebrow{display:inline-block;font-size:.8rem;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);background:var(--accent-soft);padding:.4rem 1rem;border-radius:99px;margin-bottom:1.5rem;opacity:0;animation:fadeUp .8s .05s forwards}
.hero h1{font-size:clamp(2rem,5vw,3.4rem);font-weight:800;letter-spacing:-1px;margin-bottom:1.25rem;opacity:0;animation:fadeUp .8s .15s forwards}
.hero p{font-size:1.1rem;color:var(--muted);max-width:640px;margin:0 auto 2.25rem;opacity:0;animation:fadeUp .8s .25s forwards}
.btn{display:inline-block;padding:.85rem 1.9rem;border-radius:8px;font-weight:600;font-size:.95rem;transition:transform .2s,box-shadow .2s}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 4px 14px rgba(79,70,229,.25)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(79,70,229,.32)}
.btn-ghost{border:1px solid var(--border);color:var(--text);margin-left:.5rem}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
section{padding:4rem 5%;max-width:1200px;margin:0 auto}
.section-title{font-size:1.75rem;font-weight:700;margin-bottom:2.5rem;letter-spacing:-.5px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.5rem}
.card{background:var(--surface);padding:1.75rem;border-radius:12px;border:1px solid var(--border);box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(15,23,42,.08)}
.card .icon{width:40px;height:40px;border-radius:10px;background:var(--accent-soft);display:flex;align-items:center;justify-content:center;font-size:1.25rem;margin-bottom:1rem}
.card h3{font-size:1.1rem;margin-bottom:.5rem}
.card p{color:var(--muted);font-size:.92rem}
.tag{display:inline-block;font-size:.75rem;padding:.2rem .65rem;border-radius:4px;background:var(--accent-soft);color:var(--accent);margin-top:.85rem}
footer{background:var(--surface);border-top:1px solid var(--border);padding:3rem 5%;margin-top:4rem}
footer .grid{grid-template-columns:2fr 1fr 1fr 1fr;gap:2rem}
footer h4{font-size:.85rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin-bottom:1rem}
footer a{display:block;color:var(--text);font-size:.9rem;margin-bottom:.5rem;transition:color .2s}
footer a:hover{color:var(--accent)}
.foot-bottom{border-top:1px solid var(--border);margin-top:2.5rem;padding-top:1.5rem;text-align:center;color:var(--muted);font-size:.82rem}
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.reveal{opacity:0;animation:fadeUp .7s forwards}
.reveal.d1{animation-delay:.1s}.reveal.d2{animation-delay:.2s}.reveal.d3{animation-delay:.3s}
.reveal.d4{animation-delay:.4s}.reveal.d5{animation-delay:.5s}.reveal.d6{animation-delay:.6s}
@media(max-width:720px){footer .grid{grid-template-columns:1fr 1fr}nav{display:none}}