:root{--primary:#08b9d4;--secondary:#0f172a;--accent:#2563eb;--bg:#f6f9fc;--text:#142033;--muted:#64748b;--white:#fff;--line:#e2e8f0}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}a{text-decoration:none;color:inherit}.topbar{background:#06111f;color:#cbd5e1;padding:8px 7%;font-size:14px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);box-shadow:0 8px 24px rgba(15,23,42,.08);padding:16px 7%;display:flex;align-items:center;justify-content:space-between;gap:20px}.logo{font-size:23px;font-weight:900;color:var(--secondary)}.logo span{color:var(--primary)}.menu{display:flex;gap:18px;align-items:center;flex-wrap:wrap}.menu a{font-weight:700;color:#334155}.btn{display:inline-block;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff!important;padding:13px 22px;border-radius:999px;font-weight:900;box-shadow:0 10px 22px rgba(8,185,212,.25)}.btn.dark{background:#0f172a}.btn.light{background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.35)}.hero{min-height:76vh;display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;padding:80px 7%;background:linear-gradient(135deg,#0f172a 0%,#164e63 62%,#08b9d4 100%);color:#fff;overflow:hidden}.hero h1{font-size:54px;line-height:1.03;margin:0 0 18px}.hero p{font-size:19px;line-height:1.7;color:#e2e8f0}.hero-card{background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.25);border-radius:30px;padding:28px;box-shadow:0 25px 60px rgba(0,0,0,.2)}.mock-img{height:330px;border-radius:24px;background:linear-gradient(135deg,rgba(255,255,255,.95),rgba(255,255,255,.65));position:relative;overflow:hidden;color:#0f172a;padding:24px}.floating{position:relative;background:#fff;border-radius:18px;padding:18px;margin:12px;box-shadow:0 14px 35px rgba(15,23,42,.15)}.badge{display:inline-block;background:rgba(255,255,255,.16);padding:9px 15px;border-radius:999px;font-weight:900;margin-bottom:18px}.section{padding:82px 7%}.section.white{background:#fff}.section.center{text-align:center}.section h2{font-size:38px;margin:0 0 14px}.lead{max-width:850px;color:var(--muted);line-height:1.75;font-size:17px}.center .lead{margin:auto}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(245px,1fr));gap:24px;margin-top:35px}.card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:0 13px 34px rgba(15,23,42,.07)}.card h3{margin:0 0 10px;font-size:23px}.card p,.card li{color:var(--muted);line-height:1.65}.icon{font-size:38px;margin-bottom:12px}.split{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}.panel{background:#fff;border-radius:28px;padding:34px;box-shadow:0 18px 50px rgba(15,23,42,.08)}.list{list-style:none;padding:0;margin:20px 0}.list li{padding:12px 0;border-bottom:1px solid var(--line);color:#334155}.gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;margin-top:32px}.photo{height:230px;border-radius:24px;background:linear-gradient(135deg,#0891b2,#0f172a);color:#fff;display:flex;align-items:end;padding:20px;font-weight:900;box-shadow:0 14px 35px rgba(15,23,42,.12)}.photo:nth-child(2){background:linear-gradient(135deg,#2563eb,#0f172a)}.photo:nth-child(3){background:linear-gradient(135deg,#0ea5e9,#155e75)}.photo:nth-child(4){background:linear-gradient(135deg,#22c55e,#0f172a)}.form{background:#fff;border-radius:28px;padding:32px;box-shadow:0 18px 45px rgba(15,23,42,.09)}.form input,.form textarea,.form select{width:100%;padding:15px;margin:8px 0;border:1px solid #cbd5e1;border-radius:14px;font-size:15px}.testimonials{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:22px;margin-top:35px}.quote{background:#f8fafc;border-left:5px solid var(--primary);padding:24px;border-radius:18px;color:#334155}.notice{background:#ecfeff;border:1px solid #67e8f9;color:#0f172a;border-radius:18px;padding:18px;margin-top:25px;font-weight:800}.footer{background:#06111f;color:#cbd5e1;padding:48px 7%}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}.footer h3,.footer h4{color:#fff}.price{font-size:36px;font-weight:900;color:var(--primary);margin:10px 0}.demo-index .hero{text-align:center;display:block;min-height:auto}.demo-index .hero .lead{margin:auto;color:#e2e8f0}@media(max-width:900px){.hero,.split{grid-template-columns:1fr}.hero h1{font-size:38px}.menu{display:none}.footer-grid{grid-template-columns:1fr}}