:root {
  --bg: #f8fafc;
  --card: #ffffff;
  --ink: #0f172a;
  --muted: #475569;
  --accent: #2563eb;
  --accent-2: #7c3aed;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);font-size:18px;line-height:1.8}
header.hero{height:70vh;min-height:520px;background:url('../images/homepage_banner.png') center/cover fixed no-repeat;position:relative;color:#fff;display:flex;align-items:center;justify-content:center;text-align:center;overflow:hidden}
header.hero::before{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(2,8,23,.55),rgba(2,8,23,.35))}
.hero .inner{position:relative;z-index:1;padding:0 1rem}
.hero h1{font-size:clamp(2rem,5vw,3rem);margin:.2rem 0}
.hero p{opacity:.9;font-size:clamp(1rem,2.2vw,1.2rem)}
.hero .btn{display:inline-block;margin-top:1rem;padding:.75rem 1.1rem;border-radius:999px;text-decoration:none;color:#fff;background:linear-gradient(90deg,var(--accent),var(--accent-2));box-shadow:0 10px 30px rgba(2,8,23,.25)}
nav{background:rgba(255,255,255,.8);position:sticky;top:0;z-index:10;backdrop-filter:blur(8px);display:flex;justify-content:center;gap:.8rem;padding:.6rem 1rem;border-bottom:1px solid rgba(2,8,23,.06)}
nav a{color:var(--ink);text-decoration:none;font-weight:700;padding:.4rem .8rem;border-radius:8px}
nav a:hover{background:rgba(37,99,235,.08)}
main{max-width:1100px;margin:0 auto;padding:2rem 1rem}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1rem}
.card{background:var(--card);border:1px solid rgba(2,8,23,.06);border-radius:16px;padding:1.1rem 1.2rem;box-shadow:0 10px 30px rgba(2,8,23,.06);transition:transform .25s ease,box-shadow .25s ease}
.card:hover{transform:translateY(-6px);box-shadow:0 18px 44px rgba(2,8,23,.12)}
.card h2{margin:.2rem 0 .4rem;font-size:1.4rem}
.card p{color:var(--muted)}
article{max-width:960px;margin:0 auto;padding:2rem 1rem}
article .hero-img{width:100%;border-radius:14px;box-shadow:0 14px 36px rgba(2,8,23,.10);margin:1rem 0}
.inline{width:340px;max-width:45%;border-radius:12px;box-shadow:0 10px 24px rgba(2,8,23,.08);transition:transform .25s ease;margin:.2rem 1rem}
.inline.left{float:left}
.inline.right{float:right}
.inline:hover{transform:scale(1.04)}
figcaption{font-size:.9rem;color:#64748b;margin-top:.2rem}
.clearfix::after{content:'';display:block;clear:both}
footer{text-align:center;padding:2rem 1rem;color:#334155;border-top:1px solid rgba(2,8,23,.06)}
.reveal{opacity:0;transform:translateY(12px);transition:.6s ease}
.reveal.in{opacity:1;transform:none}