:root{--navy:#08245c;--blue:#0b66d8;--sky:#16a4f5;--text:#1f2937;--muted:#667085;--light:#f4f8ff;--white:#fff;--border:#d9e2f2}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,"Noto Sans Thai",sans-serif;color:var(--text);background:var(--white);line-height:1.7}.container{width:min(1120px,92%);margin:0 auto}.site-header{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.96);border-bottom:1px solid var(--border);backdrop-filter:blur(10px)}.nav{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{display:flex;align-items:center;gap:12px;color:var(--navy);font-weight:800;text-decoration:none}.brand-logo{width:64px;height:64px;object-fit:contain;border-radius:50%;background:white}.nav-links{display:flex;gap:18px;align-items:center;flex-wrap:wrap}.nav-links a{color:var(--text);text-decoration:none;font-weight:700}.nav-links a:hover{color:var(--blue)}.menu-btn{display:none;border:0;background:var(--navy);color:white;padding:10px 13px;border-radius:10px;font-size:20px}.hero{padding:90px 0;color:white;background:radial-gradient(circle at 78% 12%,rgba(22,164,245,.42),transparent 30%),linear-gradient(135deg,#061b46 0%,#08245c 54%,#0b66d8 100%)}.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:42px;align-items:center}.eyebrow{margin:0 0 10px;color:var(--blue);font-weight:800;text-transform:uppercase;letter-spacing:1px}.eyebrow.white{color:#dbeafe}h1{margin:0;font-size:clamp(36px,6vw,64px);line-height:1.05}h2{margin:0 0 18px;color:var(--navy);font-size:clamp(28px,4vw,42px);line-height:1.2}h3{margin:0 0 12px;color:var(--navy)}.hero-text{max-width:800px;font-size:20px;color:#eaf3ff}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:24px}.btn{display:inline-block;padding:13px 22px;border-radius:999px;text-decoration:none;font-weight:800}.btn.primary{color:white;background:var(--sky)}.btn.secondary{color:var(--navy);background:white;border:1px solid var(--border)}.hero-logo-card{padding:24px;border:1px solid rgba(255,255,255,.22);border-radius:30px;background:rgba(255,255,255,.94);box-shadow:0 20px 60px rgba(0,0,0,.18)}.hero-logo-card img{display:block;width:100%;height:auto;border-radius:18px}.section{padding:76px 0}.bg-light{background:var(--light)}.section-lead{max-width:920px;font-size:19px;color:var(--muted)}.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;margin-top:28px}.card{padding:28px;background:white;border:1px solid var(--border);border-radius:24px;box-shadow:0 12px 36px rgba(8,36,92,.08)}.card.highlight{border-color:rgba(22,164,245,.65);box-shadow:0 18px 46px rgba(11,102,216,.14)}.card-icon{width:48px;height:48px;display:grid;place-items:center;margin-bottom:14px;border-radius:16px;background:var(--light);font-size:24px}.card p{color:var(--muted)}.card li{margin:8px 0}.project-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.project-list span{padding:18px;background:var(--light);border:1px solid var(--border);border-radius:18px;font-weight:700;color:var(--navy)}.bg-gradient{color:white;background:linear-gradient(135deg,var(--navy),var(--blue))}.bg-gradient h2{color:white}.gradient-text{max-width:920px;font-size:19px;color:#eaf3ff}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center}.contact-card{padding:28px;background:white;border:1px solid var(--border);border-radius:28px;box-shadow:0 20px 60px rgba(8,36,92,.10)}.contact-logo{width:100px;height:100px;object-fit:contain;margin-bottom:10px}.contact-card a{color:var(--blue)}.footer{padding:26px 0;color:#dbeafe;background:#061b46;text-align:center}.footer-content{display:flex;gap:14px;align-items:center;justify-content:center;flex-wrap:wrap}.footer img{width:48px;height:48px;object-fit:contain;border-radius:50%;background:white}@media(max-width:900px){.menu-btn{display:block}.brand span{font-size:13px}.brand-logo{width:52px;height:52px}.nav-links{position:absolute;top:82px;left:0;right:0;display:none;flex-direction:column;align-items:flex-start;padding:18px 4%;background:white;border-bottom:1px solid var(--border)}.nav-links.show{display:flex}.hero-grid,.contact-grid,.cards,.project-list{grid-template-columns:1fr}}