:root{
  --primary:#0a2540;
  --accent:#ff6b00;
  --accent-dark:#e85d00;
  --bg:#f7f9fc;
  --text:#1a2332;
  --muted:#5a6478;
  --border:#e3e8ef;
  --white:#ffffff;
  --success:#0a8754;
  --radius:10px;
  --shadow:0 6px 24px rgba(10,37,64,.08);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Sarabun','Prompt',-apple-system,BlinkMacSystemFont,sans-serif;color:var(--text);background:var(--white);line-height:1.7;font-size:16px}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--accent-dark)}

/* Header */
.header{position:sticky;top:0;background:rgba(255,255,255,.97);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);z-index:100}
.nav{max-width:1200px;margin:0 auto;padding:18px 24px;display:flex;align-items:center;justify-content:space-between}
.logo{font-size:24px;font-weight:800;color:var(--primary);letter-spacing:-.5px}
.logo span{color:var(--accent)}
.nav-links{display:flex;gap:32px;list-style:none;align-items:center}
.nav-links a{color:var(--text);font-weight:500;font-size:15px;transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:var(--accent)}
.nav-cta{background:var(--accent);color:var(--white)!important;padding:10px 20px;border-radius:var(--radius);font-weight:600}
.nav-cta:hover{background:var(--accent-dark);color:var(--white)!important}
.menu-btn{display:none;background:none;border:none;font-size:24px;cursor:pointer;color:var(--primary)}

/* Hero */
.hero{background:linear-gradient(135deg,#0a2540 0%,#143d6b 100%);color:var(--white);padding:90px 24px;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:0;right:0;width:50%;height:100%;background:radial-gradient(circle at 70% 50%,rgba(255,107,0,.15),transparent 60%)}
.hero-inner{max-width:1200px;margin:0 auto;position:relative;z-index:1}
.hero h1{font-size:clamp(32px,5vw,52px);font-weight:800;line-height:1.2;margin-bottom:20px;letter-spacing:-1px}
.hero h1 span{color:var(--accent)}
.hero p{font-size:18px;max-width:680px;opacity:.92;margin-bottom:32px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-block;padding:14px 28px;border-radius:var(--radius);font-weight:600;font-size:15px;transition:all .2s;cursor:pointer;border:none}
.btn-primary{background:var(--accent);color:var(--white)}
.btn-primary:hover{background:var(--accent-dark);color:var(--white);transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--white);border:2px solid rgba(255,255,255,.4)}
.btn-outline:hover{background:var(--white);color:var(--primary)}

/* Sections */
.section{padding:80px 24px}
.section-inner{max-width:1200px;margin:0 auto}
.section-head{text-align:center;margin-bottom:56px}
.eyebrow{display:inline-block;color:var(--accent);font-weight:700;font-size:13px;letter-spacing:2px;text-transform:uppercase;margin-bottom:12px}
.section h2{font-size:clamp(28px,4vw,40px);color:var(--primary);font-weight:800;line-height:1.2;letter-spacing:-.5px;margin-bottom:16px}
.section-head p{color:var(--muted);font-size:17px;max-width:680px;margin:0 auto}
.bg-alt{background:var(--bg)}

/* Grid cards */
.grid{display:grid;gap:28px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:32px;transition:all .25s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent}
.card-icon{width:52px;height:52px;background:linear-gradient(135deg,var(--accent),var(--accent-dark));border-radius:12px;display:flex;align-items:center;justify-content:center;color:var(--white);font-size:24px;margin-bottom:18px;font-weight:bold}
.card h3{color:var(--primary);font-size:19px;margin-bottom:10px;font-weight:700}
.card p{color:var(--muted);font-size:15px}

/* Vehicle types */
.vehicles{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.vehicle{background:var(--white);border-radius:var(--radius);padding:28px 20px;text-align:center;border:1px solid var(--border);transition:all .25s}
.vehicle:hover{border-color:var(--accent);transform:translateY(-4px);box-shadow:var(--shadow)}
.vehicle-emoji{font-size:48px;margin-bottom:12px}
.vehicle h4{color:var(--primary);margin-bottom:6px;font-size:17px}
.vehicle p{color:var(--muted);font-size:14px}

/* Stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:40px}
.stat{text-align:center;padding:24px}
.stat-num{font-size:42px;font-weight:800;color:var(--accent);line-height:1}
.stat-lbl{color:var(--muted);margin-top:8px;font-size:14px}

/* Process */
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{position:relative;padding:32px 24px;background:var(--white);border-radius:var(--radius);border:1px solid var(--border)}
.step::before{counter-increment:step;content:counter(step,decimal-leading-zero);position:absolute;top:-18px;left:24px;background:var(--accent);color:var(--white);width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px}
.step h4{color:var(--primary);margin:12px 0 8px;font-size:18px}
.step p{color:var(--muted);font-size:14px}

/* CTA banner */
.cta-banner{background:linear-gradient(135deg,var(--primary),#143d6b);color:var(--white);padding:60px 40px;border-radius:16px;text-align:center}
.cta-banner h2{color:var(--white);margin-bottom:14px}
.cta-banner p{opacity:.9;margin-bottom:24px;font-size:17px}

/* Content / policy */
.content{max-width:860px;margin:0 auto;padding:60px 24px}
.content h1{font-size:36px;color:var(--primary);margin-bottom:14px;font-weight:800}
.content .lead{color:var(--muted);margin-bottom:36px;font-size:17px}
.content h2{font-size:22px;color:var(--primary);margin:34px 0 12px;font-weight:700}
.content h3{font-size:17px;color:var(--primary);margin:22px 0 8px;font-weight:700}
.content p,.content li{color:var(--text);margin-bottom:10px}
.content ul,.content ol{padding-left:22px;margin-bottom:14px}
.content li{margin-bottom:6px}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.contact-info{background:var(--bg);padding:36px;border-radius:var(--radius)}
.info-item{display:flex;gap:14px;margin-bottom:22px;align-items:flex-start}
.info-icon{width:42px;height:42px;background:var(--accent);color:var(--white);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0;font-weight:bold}
.info-item h4{color:var(--primary);margin-bottom:4px;font-size:15px}
.info-item p{color:var(--muted);font-size:14px;margin:0}
.form-group{margin-bottom:18px}
.form-group label{display:block;font-weight:600;margin-bottom:6px;color:var(--primary);font-size:14px}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:8px;font-family:inherit;font-size:15px;transition:border-color .2s}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--accent)}
.form-group textarea{resize:vertical;min-height:110px}

/* Footer */
.footer{background:var(--primary);color:#cbd5e1;padding:60px 24px 24px;margin-top:60px}
.footer-grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
.footer h4{color:var(--white);font-size:15px;margin-bottom:16px;font-weight:700;text-transform:uppercase;letter-spacing:1px}
.footer p,.footer li{font-size:14px;line-height:1.8}
.footer ul{list-style:none}
.footer a{color:#cbd5e1;transition:color .2s}
.footer a:hover{color:var(--accent)}
.footer-logo{font-size:22px;font-weight:800;color:var(--white);margin-bottom:12px}
.footer-logo span{color:var(--accent)}
.footer-bottom{max-width:1200px;margin:40px auto 0;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);text-align:center;font-size:13px;color:#94a3b8}

/* Responsive */
@media(max-width:900px){
  .grid-3,.grid-4,.vehicles,.steps,.stats{grid-template-columns:repeat(2,1fr)}
  .contact-grid,.footer-grid{grid-template-columns:1fr;gap:32px}
}
@media(max-width:600px){
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:var(--white);flex-direction:column;padding:20px;gap:16px;border-bottom:1px solid var(--border)}
  .nav-links.open{display:flex}
  .menu-btn{display:block}
  .grid-3,.grid-4,.grid-2,.vehicles,.steps,.stats{grid-template-columns:1fr}
  .section{padding:56px 20px}
  .hero{padding:60px 20px}
}