:root{--bg:#fff;--text:#0f1724;--brand:#0b4f8b;--accent:#ff7a00;--subtle:#6b7280;--card:#fbfdff;--border:#e6eef6}
[data-theme=dark]{--bg:#0f1724;--text:#e8eef6;--brand:#5fa7ff;--accent:#ffa558;--subtle:#aab3bf;--card:#172133;--border:#2a3a55}
*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);transition:background-color .4s,color .4s}
.container{max-width:1100px;margin:0 auto;padding:24px}
.site-header{position:sticky;top:0;z-index:20;background:var(--bg);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:12px}
.brand-name{font-weight:800;color:var(--brand);text-decoration:none}
.logo{height:46px}
.main-nav a{margin-left:16px;text-decoration:none;font-weight:600;color:var(--text);border-bottom:2px solid transparent;padding-bottom:6px}
.main-nav a:hover{border-color:var(--brand)}
.toggle{border:1px solid var(--border);background:transparent;padding:8px 10px;border-radius:10px;cursor:pointer}
.hero{display:flex;gap:40px;align-items:center;padding:48px 0}
.hero-text h1{font-size:44px;line-height:1.05;margin:0 0 12px;color:var(--brand)}
.lead{color:var(--subtle)}.cta{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;padding:12px 18px;border-radius:10px;text-decoration:none;font-weight:800;border:1px solid transparent}
.btn.primary{background:var(--brand);color:#fff}.btn.ghost{background:transparent;border-color:var(--border);color:var(--brand)}
.hero-image img{max-width:420px;border-radius:12px;box-shadow:0 8px 24px rgba(0,0,0,.08)}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.card{background:var(--card);border:1px solid var(--border);padding:18px;border-radius:14px}
.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;margin:20px 0}
.pricing-card{background:var(--card);border:1px solid var(--border);padding:18px;border-radius:14px}
.contact-form{max-width:560px;display:flex;flex-direction:column;gap:12px}
.contact-form input,.contact-form textarea{padding:12px 14px;border-radius:10px;border:1px solid var(--border);background:var(--bg);color:var(--text)}
.site-footer{margin-top:48px;background:var(--bg);border-top:1px solid var(--border)}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.logo.small{height:38px}
@media (max-width:860px){.hero{flex-direction:column;text-align:center}.main-nav{display:none}.hero-text h1{font-size:32px}}