:root{--primary:#0b4f8a;--secondary:#12a6a6;--dark:#17324d;--light:#f4f8fb;--text:#243746;--muted:#64748b;--white:#fff;--border:#dbe5ee;--shadow:0 10px 30px rgba(23,50,77,.10)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--text);background:#fff;line-height:1.6}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.container{width:min(1160px,92%);margin:auto}
header{background:var(--white);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:20}.nav{display:flex;align-items:center;justify-content:space-between;min-height:72px}.logo{font-size:25px;font-weight:800;color:var(--primary)}.logo span{color:var(--secondary)}nav{display:flex;gap:22px;align-items:center}nav a,nav summary{font-weight:700;color:var(--dark);cursor:pointer}details{position:relative}details ul{position:absolute;right:0;top:28px;background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);padding:10px;margin:0;min-width:190px;list-style:none}details li{padding:7px}
.hero{background:linear-gradient(135deg,#eaf6ff,#effdfc);padding:70px 0}.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}.hero h1{font-size:48px;line-height:1.08;margin:0 0 18px;color:var(--dark)}.hero p{font-size:18px;color:var(--muted)}.hero-card{background:#fff;border-radius:18px;padding:24px;box-shadow:var(--shadow)}
.section{padding:60px 0}.section.alt{background:var(--light)}.section h2{text-align:center;font-size:34px;color:var(--dark);margin:0 0 10px}.section-intro{text-align:center;max-width:760px;margin:0 auto 30px;color:var(--muted)}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.full{grid-column:1/-1}label{display:block;font-weight:700;font-size:14px;margin-bottom:5px}input,select,textarea{width:100%;padding:12px;border:1px solid var(--border);border-radius:8px;font:inherit;background:#fff}button,.btn{display:inline-block;border:0;border-radius:8px;background:var(--primary);color:#fff;padding:13px 20px;font-weight:800;cursor:pointer}.btn.secondary{background:var(--secondary)}.note{font-size:12px;color:var(--muted);margin-top:12px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.card{background:#fff;border:1px solid var(--border);border-radius:14px;overflow:hidden;box-shadow:0 5px 18px rgba(23,50,77,.06)}.card img{width:100%;height:190px;object-fit:cover}.card-body{padding:18px}.price{font-size:25px;font-weight:800;color:var(--primary)}.tag{display:inline-block;background:#e8f7f7;color:#087777;padding:4px 9px;border-radius:99px;font-size:12px;font-weight:800}
.features{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.feature{padding:22px;border:1px solid var(--border);border-radius:12px;text-align:center}.feature h3{margin:8px 0;color:var(--dark)}
.content{max-width:900px}.content h1{font-size:40px;color:var(--dark)}.content h2{font-size:25px;color:var(--dark);margin-top:30px}.content ul{padding-left:22px}
footer{background:#102b42;color:#dbe7f0;padding:42px 0 20px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px}.footer-grid a{color:#dbe7f0}.copyright{border-top:1px solid rgba(255,255,255,.15);margin-top:25px;padding-top:18px;font-size:13px}
.badge{display:inline-block;margin:6px 6px 0 0;padding:5px 10px;border:1px solid #b9d2e5;border-radius:99px;font-size:12px;background:#fff}.legal-box{background:#fff8e7;border-left:4px solid #e0a400;padding:14px 18px;margin:20px 0}.success{background:#eefbf4;border-left:4px solid #1f9d61;padding:14px 18px}
@media(max-width:800px){.hero-grid,.cards,.features,.footer-grid{grid-template-columns:1fr}.hero h1{font-size:38px}nav{gap:10px;font-size:14px}.form-grid{grid-template-columns:1fr}.full{grid-column:auto}.nav{flex-wrap:wrap;padding:10px 0}}