html{box-sizing:border-box;}
*,*::before,*::after{box-sizing:inherit;}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:#1f2937;background:#fff;overflow-x:hidden;}
a{color:#0f62fe;text-decoration:none}
.site-header{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;background:#111827;color:#fff;flex-wrap:wrap;width:100%;max-width:100%;}
.brand a{font-size:1.25rem;font-weight:700;color:#fff}
.nav-toggle{display:none;position:relative;width:46px;height:46px;border:1px solid rgba(255,255,255,.18);border-radius:14px;background:transparent;color:#fff;cursor:pointer;z-index:30}
.nav-toggle .line{position:absolute;left:50%;width:22px;height:2px;background:#fff;border-radius:1px;transition:transform .25s ease,opacity .2s ease,top .25s ease;transform:translateX(-50%);}
.nav-toggle .line-1{top:14px;}
.nav-toggle .line-2{top:22px;}
.nav-toggle .line-3{top:30px;}
.main-nav{display:flex;align-items:center}
.main-nav a{margin-left:18px;font-size:0.95rem;color:#d1d5db}
.hero{padding:80px 24px;background:linear-gradient(135deg,#111827,#1f2937);color:#fff;text-align:center}
.hero-content{max-width:760px;margin:0 auto}
.eyebrow{text-transform:uppercase;letter-spacing:.2em;font-size:.85rem;margin-bottom:16px;color:#94a3b8}
.hero h1{font-size:3rem;line-height:1.05;margin:0 0 20px}
.hero p{font-size:1.05rem;line-height:1.8;max-width:640px;margin:0 auto 28px}
.hero-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}
.button{display:inline-block;padding:14px 26px;border-radius:999px;background:#f8fafc;color:#111827;font-weight:700}
.button.secondary{background:rgba(255,255,255,.14);color:#f8fafc}
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;padding:60px 24px;max-width:1040px;margin:0 auto}
.feature{padding:28px;border:1px solid #e5e7eb;border-radius:18px;background:#f8fafc}
.feature h2{margin:0 0 12px;font-size:1.15rem}
.feature p{margin:0;line-height:1.7;color:#475569}
.about{padding:60px 24px;background:#f8fafc;text-align:center}
.about h2{margin:0 0 16px;font-size:2rem}
.about p{max-width:760px;margin:0 auto;line-height:1.8;color:#475569}
.site-footer{padding:24px;text-align:center;font-size:.95rem;color:#64748b}
@media (max-width:900px){
  .nav-toggle{display:flex}
  .main-nav{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(17,24,39,.98);backdrop-filter:blur(6px);flex-direction:column;padding:100px 24px 24px;gap:24px;z-index:20;overflow-y:auto;}
  .main-nav.open{display:flex}
  .main-nav a{margin:0;font-size:1.15rem;color:#fff;padding:18px 0;border-bottom:1px solid rgba(255,255,255,.12)}
  .main-nav a:first-child{margin-top:0}
  .main-nav a:hover{color:#f8fafc}
  .site-header{position:relative;z-index:30;width:100%;}
  .nav-toggle.open .line-1{top:22px;transform:translateX(-50%) rotate(45deg);}
  .nav-toggle.open .line-2{opacity:0;transform:translateX(-50%) scaleX(0);}
  .nav-toggle.open .line-3{top:22px;transform:translateX(-50%) rotate(-45deg);}
}