@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Noto+Sans+Thai:wght@400;600;700&display=swap');

:root{
  --navy:#0b1f3a;
  --blue:#0f4c81;
  --cyan:#38bdf8;
  --orange:#f97316;
  --gray:#f3f6f9;
  --text:#172033;
  --muted:#687385;
  --white:#ffffff;
  --shadow:0 20px 60px rgba(8,24,48,.15);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,"Noto Sans Thai",system-ui,sans-serif;
  color:var(--text);
  background:#fff;
  line-height:1.6;
}
a{color:inherit;text-decoration:none}
.container{width:min(1160px,92%);margin:auto}

.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(11,31,58,.08);
}
.nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:14px}
.brand-mark{
  width:58px;height:42px;border-radius:10px;
  display:grid;place-items:center;
  color:#fff;background:linear-gradient(135deg,var(--navy),var(--blue));
  font-weight:800;font-size:14px;letter-spacing:.6px;
}
.brand strong{display:block;font-size:18px}
.brand span{display:block;color:var(--muted);font-size:12px}
.nav{display:flex;align-items:center;gap:24px;font-weight:600;font-size:14px}
.nav a{color:#283449}
.nav a:hover{color:var(--blue)}
.nav-cta{padding:10px 16px;border-radius:999px;background:var(--orange);color:#fff!important}
.nav-toggle{display:none;background:none;border:0;font-size:28px}

.hero{
  position:relative;min-height:720px;display:flex;align-items:center;
  background:
    linear-gradient(135deg,rgba(11,31,58,.94),rgba(15,76,129,.78)),
    radial-gradient(circle at 75% 25%,rgba(56,189,248,.35),transparent 34%),
    linear-gradient(45deg,#1b2c45,#0b1f3a);
  color:#fff;overflow:hidden;
}
.hero:after{
  content:"";position:absolute;right:-8%;bottom:-18%;
  width:52%;height:58%;
  background:linear-gradient(135deg,rgba(249,115,22,.32),rgba(56,189,248,.18));
  transform:skewY(-10deg);border-radius:80px;
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.2fr .8fr;gap:46px;align-items:center}
.eyebrow,.section-kicker{
  color:var(--orange);font-weight:800;text-transform:uppercase;
  letter-spacing:.14em;font-size:13px;margin:0 0 14px;
}
.hero h1{font-size:clamp(42px,6vw,78px);line-height:1.02;margin:0 0 22px;letter-spacing:-.04em}
.hero-text{font-size:19px;color:#d9e6f7;max-width:720px;margin-bottom:32px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:14px 22px;border-radius:999px;font-weight:800;
  border:1px solid transparent;cursor:pointer
}
.btn-primary{background:var(--orange);color:#fff}
.btn-secondary{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.25);color:#fff}
.hero-card{
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);
  box-shadow:var(--shadow);backdrop-filter:blur(20px);
  border-radius:28px;padding:30px;
}
.hero-card h3{font-size:24px;margin:0 0 18px}
.hero-card ul{padding-left:20px;color:#edf6ff}
.hero-card li{margin:12px 0}

.section{padding:92px 0}
.stats{padding:30px 0;background:#fff}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stats-grid div{
  padding:24px;border:1px solid #e3eaf1;border-radius:20px;background:#fff;
  box-shadow:0 12px 30px rgba(8,24,48,.06)
}
.stats-grid strong{display:block;color:var(--navy);font-size:24px}
.stats-grid span{color:var(--muted);font-size:14px}

.split{display:grid;grid-template-columns:.75fr 1.25fr;gap:64px;align-items:start}
h2{font-size:clamp(32px,4vw,48px);line-height:1.1;margin:0 0 26px;letter-spacing:-.03em;color:var(--navy)}
.lead-box{font-size:18px;color:#445065}
.section-dark{background:var(--navy);color:#fff}
.section-dark h2{color:#fff}
.section-dark .section-kicker{color:var(--cyan)}
.section-gray{background:var(--gray)}
.section-intro{max-width:780px;color:#526075;font-size:18px;margin-bottom:34px}

.card-grid,.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card,.product-card{
  padding:26px;border-radius:22px;border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.08);
  transition:.25s transform,.25s box-shadow;
}
.card:hover,.product-card:hover{transform:translateY(-5px);box-shadow:0 18px 40px rgba(0,0,0,.12)}
.card h3,.product-card h3{margin:0 0 12px;font-size:20px}
.card p{color:#d7e4f4;margin:0}
.product-card{
  background:#fff;border:1px solid #e3eaf1;box-shadow:0 12px 30px rgba(8,24,48,.06)
}
.product-card span{display:inline-block;color:var(--orange);font-weight:800;margin-bottom:12px}
.product-card p{color:#657184;margin:0}

.project-list{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:30px 0}
.project-list div{padding:18px;background:#fff;border-radius:16px;border:1px solid #e3eaf1;font-weight:700}
.logos{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.logos span,.partner-grid div{
  border:1px solid #d9e3ee;background:#fff;border-radius:999px;padding:12px 18px;
  color:#334155;font-weight:700
}
.partner-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.partner-grid div{border-radius:18px;text-align:center;padding:26px;font-size:22px;color:var(--navy)}

.why{background:linear-gradient(135deg,#0b1f3a,#0f4c81);color:#fff}
.why h2{color:#fff}
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.why-grid div{padding:26px;border:1px solid rgba(255,255,255,.15);border-radius:22px;background:rgba(255,255,255,.08)}
.why-grid strong{color:var(--cyan);font-size:20px}
.why-grid p{font-size:18px;margin:8px 0 0}

.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px}
.contact{background:#fff}
.contact p{color:#526075;font-size:18px}
.contact-lines{display:grid;gap:10px;margin-top:28px}
.contact-lines a{color:var(--blue);font-weight:700}
.rfq-form{background:var(--gray);border:1px solid #dfe8f2;border-radius:26px;padding:28px;display:grid;gap:16px}
.rfq-form label{font-weight:700;color:var(--navy)}
.rfq-form input,.rfq-form textarea{
  width:100%;margin-top:8px;padding:14px 16px;border:1px solid #cbd6e2;border-radius:14px;
  font:inherit;background:#fff
}
.rfq-form .btn{width:fit-content;border:0}

.site-footer{background:#07182e;color:#d9e6f7;padding:38px 0}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:24px;align-items:center}
.footer-grid a{display:inline-block;margin-right:16px;color:#fff}
.footer-grid p{margin:6px 0;color:#9fb0c4}

@media (max-width:960px){
  .nav{display:none;position:absolute;top:78px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;padding:22px 4%;box-shadow:0 20px 40px rgba(0,0,0,.1)}
  .nav.show{display:flex}
  .nav-toggle{display:block}
  .hero-grid,.split,.contact-grid{grid-template-columns:1fr}
  .hero{min-height:auto;padding:96px 0}
  .card-grid,.product-grid,.project-list{grid-template-columns:repeat(2,1fr)}
  .stats-grid,.why-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:620px){
  .card-grid,.product-grid,.project-list,.stats-grid,.why-grid,.partner-grid{grid-template-columns:1fr}
  .section{padding:70px 0}
  .hero-actions{display:grid}
  .btn{width:100%}
}