:root{
  --bg:#0b1220;
  --bg-2:#0f1b33;
  --text:#0f172a;
  --muted:#5b677a;
  --card:#ffffff;
  --line:#e6eaf2;
  --primary:#0b6b6b;
  --primary-2:#0a5a5a;
  --accent:#0aa3a3;
  --soft:#f5f7fb;
  --warning-bg:#fff3d6;
  --warning-border:#f3d28b;
  --radius:16px;
  --shadow:0 10px 30px rgba(2,6,23,.10);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--text);background:#ffffff}
a{color:inherit;text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}
.container{max-width:1120px;margin:0 auto;padding:0 18px}
.mt-8{margin-top:8px}

/* Topbar */
.topbar{position:sticky;top:0;z-index:50;background:#ffffff;border-bottom:1px solid var(--line)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:14px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand:hover{text-decoration:none}
.brand-mark{width:28px;height:28px;border-radius:8px}
.brand-text{font-weight:700;letter-spacing:.2px}
.nav{display:flex;align-items:center;gap:16px}
.nav-link{font-size:14px;color:#334155;padding:10px 6px;border-radius:10px}
.nav-link:hover{background:var(--soft);text-decoration:none}
.nav-link.active{color:var(--primary);font-weight:700;background:rgba(11,107,107,.08)}
.nav-cta{margin-left:2px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;padding:10px 14px;font-weight:700;font-size:14px;border:1px solid transparent;text-decoration:none}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}
.btn-primary:hover{background:var(--primary-2)}
.btn-outline{background:#fff;border-color:var(--line);color:#0f172a}
.btn-outline:hover{border-color:#cbd5e1;background:var(--soft)}
.hamburger{display:none;background:transparent;border:0;padding:10px;border-radius:12px}
.hamburger:hover{background:var(--soft)}
.hamburger span{display:block;width:22px;height:2px;background:#0f172a;margin:4px 0;border-radius:2px}
.mobile-menu{display:none;border-top:1px solid var(--line);background:#fff}
.mobile-menu-inner{display:grid;gap:10px;padding:14px 0}
.mobile-menu .nav-link{display:block}

/* Hero */
.hero{background:linear-gradient(180deg, var(--bg-2) 0%, var(--bg) 100%);color:#fff}
.hero-inner{display:grid;grid-template-columns:1.2fr 1fr;gap:24px;align-items:center;padding:58px 0}
.hero h1{font-size:44px;line-height:1.05;margin:0 0 14px;font-weight:800;letter-spacing:.2px}
.hero .kicker{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.75);margin-bottom:10px}
.hero p{color:rgba(255,255,255,.78);line-height:1.6;margin:0 0 16px;max-width:60ch}
.hero-media{border-radius:22px;overflow:hidden;box-shadow:0 18px 50px rgba(0,0,0,.25);border:1px solid rgba(255,255,255,.12)}
.hero-media img{width:100%;height:260px;object-fit:cover}

/* Sections */
.section{padding:44px 0;background:#fff}
.section.soft{background:var(--soft)}
.section h2{font-size:32px;margin:0 0 20px}
.section h3{font-size:22px;margin:0 0 12px}
.lead{color:var(--muted);max-width:78ch;line-height:1.7;margin:0 0 18px}

.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 1px 0 rgba(2,6,23,.02);padding:18px}
.card h4{margin:0 0 8px;font-size:16px}
.card p{margin:0;color:var(--muted);line-height:1.6;font-size:14px}

.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
.badge{display:inline-flex;align-items:center;gap:6px;background:rgba(10,163,163,.12);color:#0a6666;border:1px solid rgba(10,163,163,.18);padding:6px 10px;border-radius:999px;font-weight:700;font-size:12px}

.notice{background:var(--warning-bg);border:1px solid var(--warning-border);border-radius:14px;padding:14px}
.notice h4{margin:0 0 6px;font-size:14px;display:flex;gap:8px;align-items:center}
.notice p, .notice li{margin:0;color:#6b4b12;font-size:13px;line-height:1.6}
.notice ul{margin:8px 0 0 18px;padding:0}

.center{text-align:center}

/* Steps / model */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step-num{width:34px;height:34px;border-radius:999px;background:rgba(11,107,107,.12);border:1px solid rgba(11,107,107,.22);display:flex;align-items:center;justify-content:center;font-weight:900;color:var(--primary);margin:0 auto 10px}

/* Lists */
.bullets{margin:10px 0 0 18px;color:var(--muted);line-height:1.7}
.bullets li{margin:6px 0}

/* Contact layout */
.split{display:grid;grid-template-columns:1fr 1.1fr;gap:18px;align-items:start}
.form{display:grid;gap:12px}
.input, select, textarea{width:100%;border:1px solid var(--line);border-radius:12px;padding:11px 12px;font-size:14px}
textarea{min-height:120px;resize:vertical}
.label{font-size:12px;color:var(--muted);font-weight:700}
.small{font-size:12px;color:var(--muted)}

/* Footer */
.footer{background:var(--bg);color:#e5e7eb;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px;padding:40px 0 26px}
.footer h4{margin:0 0 12px}
.footer a{color:#e5e7eb}
.footer a:hover{color:#ffffff}
.footer-small{font-size:13px;line-height:1.7;color:rgba(229,231,235,.85)}
.media-partner{display:flex;align-items:center;gap:12px}
.media-partner img{width:52px;height:52px;border-radius:14px;background:#fff;padding:8px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0 28px}
.footer-row{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-top:10px}
.footer-links{display:flex;gap:14px;flex-wrap:wrap}
.footer-links a{text-decoration:none}
.footer-links a:hover{text-decoration:underline}

/* Checklist */
.checklist{display:grid;gap:10px;margin-top:10px}
.check{display:flex;gap:10px;align-items:flex-start;padding:10px 12px;border:1px solid var(--line);border-radius:14px;background:#fff}
.check input{margin-top:3px}
.progress{margin-top:10px;font-size:12px;color:var(--muted)}

/* Responsive */
@media (max-width: 980px){
  .hero-inner{grid-template-columns:1fr; padding:44px 0}
  .hero-media img{height:220px}
  .grid-4{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .split{grid-template-columns:1fr}
}
@media (max-width: 760px){
  .nav{display:none}
  .hamburger{display:inline-block}
  .mobile-menu.open{display:block}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
}