:root{--navy:#0f1e3d;--gold:#f5b301;--bg:#f7f8fb;--text:#1a1f2e;--muted:#5b6478;--card:#fff;--border:#e6e8ef}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Sarabun','Prompt',system-ui,sans-serif;color:var(--text);background:var(--bg);line-height:1.7}
a{color:var(--navy);text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:1180px;margin:0 auto;padding:0 20px}
header{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:50;box-shadow:0 1px 3px rgba(0,0,0,.04)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:16px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;color:var(--navy);font-size:18px}
.brand img{width:42px;height:42px}
nav ul{display:flex;gap:6px;list-style:none;flex-wrap:wrap}
nav a{padding:8px 14px;border-radius:8px;font-weight:500;font-size:15px;color:#2b3552}
nav a:hover,nav a.active{background:var(--navy);color:#fff}
.cta-call{background:var(--gold);color:var(--navy)!important;padding:10px 18px;border-radius:999px;font-weight:700;white-space:nowrap}
.cta-call:hover{background:#ffc933}
.menu-toggle{display:none;background:none;border:0;font-size:26px;cursor:pointer;color:var(--navy)}
.hero{position:relative;color:#fff;padding:90px 0;background:linear-gradient(135deg,rgba(15,30,61,.92),rgba(15,30,61,.7)),url('images/hero.jpg') center/cover}
.hero h1{font-size:clamp(28px,5vw,48px);font-weight:800;margin-bottom:18px;line-height:1.2}
.hero p{font-size:18px;max-width:680px;margin-bottom:28px;opacity:.95}
.btn{display:inline-block;padding:14px 28px;border-radius:10px;font-weight:700;transition:transform .15s}
.btn:hover{transform:translateY(-2px)}
.btn-gold{background:var(--gold);color:var(--navy)}
.btn-outline{border:2px solid #fff;color:#fff;margin-left:10px}
.section{padding:70px 0}
.section h2{font-size:32px;font-weight:800;color:var(--navy);margin-bottom:12px;text-align:center}
.section .lead{color:var(--muted);text-align:center;max-width:680px;margin:0 auto 40px}
.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:24px;transition:box-shadow .2s,transform .2s}
.card:hover{box-shadow:0 8px 24px rgba(15,30,61,.08);transform:translateY(-3px)}
.card img{border-radius:10px;margin-bottom:16px;aspect-ratio:3/2;object-fit:cover;width:100%}
.card h3{color:var(--navy);font-size:19px;margin-bottom:10px;font-weight:700}
.card p{color:var(--muted);font-size:15px}
.badge{display:inline-block;background:var(--gold);color:var(--navy);padding:4px 12px;border-radius:999px;font-size:13px;font-weight:700;margin-bottom:12px}
.icon-box{width:54px;height:54px;border-radius:12px;background:var(--navy);color:var(--gold);display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:16px}
.cta-band{background:var(--navy);color:#fff;padding:50px 0;text-align:center}
.cta-band h2{color:#fff;font-size:28px;margin-bottom:10px}
.cta-band .phone{font-size:32px;color:var(--gold);font-weight:800;margin-top:14px;display:inline-block}
.prose{max-width:820px;margin:0 auto}
.prose h2{text-align:left;font-size:24px;margin-top:30px;margin-bottom:10px}
.prose h3{color:var(--navy);font-size:18px;margin-top:22px;margin-bottom:8px}
.prose p,.prose li{color:#3b4358;margin-bottom:10px}
.prose ul{padding-left:22px;margin-bottom:14px}
.page-hero{background:var(--navy);color:#fff;padding:60px 0;text-align:center}
.page-hero h1{font-size:36px;font-weight:800;margin-bottom:10px}
.page-hero p{opacity:.85}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:start}
.info-box{background:#fff;border:1px solid var(--border);border-radius:14px;padding:28px}
.info-box .row{display:flex;gap:14px;align-items:flex-start;padding:12px 0;border-bottom:1px solid var(--border)}
.info-box .row:last-child{border:0}
.info-box .row strong{color:var(--navy);display:block;margin-bottom:2px}
.info-box .icon{width:42px;height:42px;background:#fff7df;color:var(--navy);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}
form input,form textarea{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:10px;font-family:inherit;font-size:15px;margin-bottom:14px;background:#fff}
form input:focus,form textarea:focus{outline:0;border-color:var(--gold)}
form button{background:var(--navy);color:#fff;border:0;padding:14px 28px;border-radius:10px;font-weight:700;cursor:pointer;font-size:16px}
form button:hover{background:#1a2d57}
footer{background:#0a1530;color:#cfd5e6;padding:50px 0 20px;margin-top:40px}
footer .fgrid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px;margin-bottom:30px}
footer h4{color:#fff;margin-bottom:14px;font-size:16px}
footer a{color:#cfd5e6;display:block;padding:4px 0;font-size:14px}
footer a:hover{color:var(--gold)}
.copy{border-top:1px solid #1c2a4d;padding-top:18px;text-align:center;font-size:13px;color:#8c95ad}
.article-meta{color:var(--muted);font-size:14px;margin-bottom:8px}
.feature-list{list-style:none;padding:0}
.feature-list li{padding:10px 0;padding-left:30px;position:relative;color:#3b4358}
.feature-list li:before{content:"✓";position:absolute;left:0;color:var(--gold);font-weight:800;font-size:18px}
@media(max-width:820px){
.grid-3,.grid-2,.contact-grid,footer .fgrid{grid-template-columns:1fr}
nav ul{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;padding:10px;border-top:1px solid var(--border);box-shadow:0 4px 12px rgba(0,0,0,.06)}
nav ul.open{display:flex}
nav a{display:block}
.menu-toggle{display:block}
header .nav{position:relative}
.hero{padding:60px 0}
}