:root{--primary:#0a5c9e;--primary-dark:#08436f;--accent:#0ea5e9;--dark:#0f172a;--gray:#64748b;--light:#f1f5f9;--white:#fff;--radius:12px;--shadow:0 10px 30px rgba(15,23,42,.08)}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Segoe UI","Helvetica Neue",Arial,"Noto Sans",sans-serif;color:var(--dark);line-height:1.7;background:var(--white)}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none}
.container{width:min(1200px,92%);margin:0 auto}
/* Header */
.topbar{background:var(--primary-dark);color:#cbd5e1;font-size:.85rem;padding:.4rem 0}
.topbar .container{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap}
header.site{position:sticky;top:0;z-index:100;background:#fff;box-shadow:0 2px 12px rgba(0,0,0,.06)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;padding:.7rem 0}
.logo img{height:64px;width:auto}
nav.main ul{display:flex;gap:1.6rem;list-style:none;align-items:center}
nav.main a{color:var(--dark);font-weight:600;padding:.5rem 0;border-bottom:2px solid transparent;transition:.2s}
nav.main a:hover,nav.main a.active{color:var(--primary);border-color:var(--primary)}
.nav-toggle{display:none;background:none;border:0;font-size:1.6rem;cursor:pointer;color:var(--primary)}
/* Buttons */
.btn{display:inline-block;padding:.85rem 2rem;border-radius:50px;font-weight:700;transition:.25s;cursor:pointer;border:0;font-size:1rem}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;box-shadow:0 6px 18px rgba(14,165,233,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(14,165,233,.45)}
.btn-outline{border:2px solid #fff;color:#fff}
.btn-outline:hover{background:#fff;color:var(--primary)}
/* Hero */
.hero{position:relative;background:url('/img/banner.png') center/cover no-repeat;color:#fff;text-align:center;padding:9rem 0}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(8,67,111,.88),rgba(10,92,158,.62))}
.hero .container{position:relative}
.hero h1{font-size:clamp(1.8rem,4.5vw,3.2rem);font-weight:800;max-width:900px;margin:0 auto 1rem;text-shadow:0 2px 8px rgba(0,0,0,.3)}
.hero p{font-size:clamp(1rem,2vw,1.3rem);max-width:760px;margin:0 auto 2rem;opacity:.95}
.hero .btns{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}
/* Sections */
section{padding:4.5rem 0}
.section-head{text-align:center;max-width:760px;margin:0 auto 3rem}
.section-head .kicker{display:inline-block;color:var(--accent);font-weight:700;text-transform:uppercase;letter-spacing:.12em;font-size:.85rem;margin-bottom:.5rem}
.section-head h2{font-size:clamp(1.5rem,3vw,2.3rem);margin-bottom:.8rem}
.section-head p{color:var(--gray)}
.bg-light{background:var(--light)}
/* Grids & cards */
.grid{display:grid;gap:1.8rem}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.3s}
.card:hover{transform:translateY(-6px);box-shadow:0 16px 36px rgba(15,23,42,.14)}
.card img{width:100%;object-fit:cover}
.card-body{padding:1.4rem}
.card-body h3{font-size:1.15rem;margin-bottom:.5rem}
.card-body p{color:var(--gray);font-size:.95rem}
/* Feature numbers */
.num{font-size:2.4rem;font-weight:800;color:var(--accent);opacity:.9}
/* Stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;text-align:center}
.stat h3{font-size:2.4rem;color:var(--primary)}
.stat p{color:var(--gray)}
/* CTA band */
.cta-band{background:linear-gradient(120deg,var(--primary-dark),var(--primary));color:#fff;text-align:center;padding:4rem 0}
.cta-band h2{font-size:clamp(1.4rem,3vw,2.1rem);margin-bottom:.8rem}
.cta-band p{opacity:.9;max-width:700px;margin:0 auto 1.8rem}
.cta-band ul{list-style:none;display:flex;gap:1.5rem;justify-content:center;flex-wrap:wrap;margin-bottom:2rem;font-weight:600}
.cta-band ul li::before{content:"✓ ";color:#7dd3fc}
/* Tables */
table.spec{width:100%;border-collapse:collapse;background:#fff;box-shadow:var(--shadow);border-radius:var(--radius);overflow:hidden}
table.spec th,table.spec td{padding:.9rem 1.1rem;border-bottom:1px solid #e2e8f0;text-align:left;font-size:.95rem}
table.spec th{background:var(--primary);color:#fff;white-space:nowrap}
table.spec tr:last-child td{border-bottom:0}
/* Page hero (subpages) */
.page-hero{background:linear-gradient(120deg,var(--primary-dark),var(--primary));color:#fff;text-align:center;padding:5rem 0}
.page-hero h1{font-size:clamp(1.6rem,3.5vw,2.6rem)}
.page-hero p{opacity:.9;margin-top:.6rem}
.breadcrumb{font-size:.85rem;color:#cbd5e1;margin-top:.8rem}
.breadcrumb a{color:#7dd3fc}
/* Forms */
form.contact{max-width:640px;margin:0 auto;background:#fff;padding:2rem;border-radius:var(--radius);box-shadow:var(--shadow)}
.form-group{margin-bottom:1.2rem}
label{display:block;font-weight:600;margin-bottom:.35rem;font-size:.95rem}
input,textarea,select{width:100%;padding:.8rem 1rem;border:1px solid #cbd5e1;border-radius:8px;font-size:1rem;font-family:inherit}
input:focus,textarea:focus{outline:2px solid var(--accent);border-color:transparent}
.success-msg{display:none;max-width:640px;margin:0 auto 1.5rem;background:#ecfdf5;border:1px solid #10b981;color:#065f46;padding:1rem 1.4rem;border-radius:var(--radius);font-weight:600}
/* FAQ */
.faq-item{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:1rem;overflow:hidden}
.faq-item summary{padding:1.2rem 1.5rem;font-weight:700;cursor:pointer;list-style:none;position:relative;padding-right:3rem}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:1.4rem;top:50%;transform:translateY(-50%);font-size:1.5rem;color:var(--accent)}
.faq-item[open] summary::after{content:"–"}
.faq-item .faq-body{padding:0 1.5rem 1.3rem;color:var(--gray)}
/* Footer */
footer.site{background:var(--dark);color:#94a3b8;padding:3.5rem 0 0;font-size:.95rem}
footer.site h4{color:#fff;margin-bottom:1rem;font-size:1.05rem}
footer.site .grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:2rem}
footer.site ul{list-style:none}
footer.site li{margin-bottom:.55rem}
footer.site a{color:#94a3b8}
footer.site a:hover{color:#7dd3fc}
.footer-bottom{border-top:1px solid #1e293b;margin-top:2.5rem;padding:1.2rem 0;text-align:center;font-size:.85rem}
/* Responsive */
@media(max-width:960px){
.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
footer.site .grid{grid-template-columns:repeat(2,1fr)}
.stats{grid-template-columns:repeat(2,1fr)}
nav.main ul{position:fixed;inset:72px 0 auto 0;background:#fff;flex-direction:column;padding:1.5rem;gap:1rem;box-shadow:0 12px 24px rgba(0,0,0,.1);display:none}
nav.main ul.open{display:flex}
.nav-toggle{display:block}
}
@media(max-width:600px){
.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
.hero{padding:6rem 0}
}