:root{
  --navy:#062b5b;
  --navy2:#0b3e79;
  --yellow:#ffc400;
  --gold:#ffb900;
  --bg:#f5f7fb;
  --text:#142033;
  --muted:#6f7b8d;
  --white:#fff;
  --shadow:0 16px 40px rgba(2,30,66,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Noto Sans Thai','Kanit',system-ui,sans-serif;color:var(--text);background:#fff;line-height:1.65}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
.container{width:min(1180px,calc(100% - 32px));margin:auto}
.topbar{background:var(--navy);color:#fff;font-size:.9rem}.topbar-inner{display:flex;justify-content:space-between;gap:16px;padding:8px 0}.topbar a{color:var(--yellow);font-weight:600}
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid #e7ebf1}.nav-wrap{display:flex;align-items:center;justify-content:space-between;min-height:82px}.brand img{width:84px;height:64px;object-fit:contain}.nav{display:flex;align-items:center;gap:26px;font-weight:600}.nav a{transition:.2s}.nav a:hover{color:var(--navy2)}.nav-cta{background:var(--yellow);padding:10px 18px;border-radius:999px;color:#08294d!important}.menu-btn{display:none;border:0;background:var(--navy);color:#fff;font-size:1.4rem;border-radius:8px;padding:8px 12px}
.hero{padding:36px 0 52px;background:linear-gradient(180deg,#fff 0%,#f3f7fc 100%)}.hero-frame{overflow:hidden;border-radius:24px;box-shadow:var(--shadow);border:1px solid #e9eef5}.hero-frame img{width:100%;aspect-ratio:1280/476;object-fit:cover}.hero-copy{max-width:850px;margin:-36px auto 0;position:relative;background:#fff;border-radius:22px;padding:30px 36px;box-shadow:var(--shadow);text-align:center}.eyebrow{font-family:'Kanit';font-size:.82rem;letter-spacing:.12em;font-weight:700;color:var(--navy2);margin:0 0 8px}.hero h1,.section h2,.cta-strip h2{font-family:'Kanit';line-height:1.2;margin:0}.hero h1{font-size:clamp(2rem,5vw,3.6rem);color:var(--navy)}.hero-copy>p:not(.eyebrow){color:var(--muted);font-size:1.06rem}.hero-actions,.company-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:22px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 22px;border-radius:12px;font-weight:700;border:2px solid transparent;transition:.2s}.btn:hover{transform:translateY(-2px)}.btn.primary{background:var(--yellow);color:#08294d}.btn.ghost{border-color:var(--navy);color:var(--navy);background:#fff}.btn.white{background:#fff;color:var(--navy)}.darkghost{background:transparent!important}
.quick-features{margin-top:-22px}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.feature-grid article{background:#fff;padding:24px;border-radius:18px;box-shadow:var(--shadow);border-top:4px solid var(--yellow)}.feature-grid span{font-family:'Kanit';font-weight:700;color:var(--gold);font-size:1.45rem}.feature-grid h3{margin:6px 0;font-family:'Kanit';color:var(--navy)}.feature-grid p{margin:0;color:var(--muted);font-size:.94rem}
.section{padding:88px 0}.section-head{max-width:720px;margin-bottom:34px}.section-head h2,.about h2,.company h2,.showroom h2{font-size:clamp(2rem,4vw,3rem);color:var(--navy);margin:0 0 10px;font-family:'Kanit';line-height:1.2}.section-head p{color:var(--muted)}.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.category-card{background:#fff;border:1px solid #e6eaf0;border-radius:18px;overflow:hidden;box-shadow:0 10px 28px rgba(2,30,66,.07);transition:.25s}.category-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.category-card img{width:100%;height:245px;object-fit:cover}.category-card div{padding:20px}.category-card h3{font-family:'Kanit';color:var(--navy);margin:0 0 6px}.category-card p{margin:0;color:var(--muted)}
.dark{background:var(--navy);color:#fff}.section-head.light h2,.section-head.light .eyebrow{color:#fff}.section-head.light p{color:#c8d6e8}.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.product-grid figure{margin:0;background:#fff;border-radius:16px;overflow:hidden;color:var(--text);box-shadow:0 14px 30px rgba(0,0,0,.18)}.product-grid img{width:100%;height:290px;object-fit:cover}.product-grid figcaption{padding:14px 16px;font-weight:600;color:var(--navy)}
.showroom{background:#f7f9fc}.showroom-grid{display:grid;grid-template-columns:.85fr 1.4fr;gap:46px;align-items:center}.showroom-copy p:not(.eyebrow){color:var(--muted);margin-bottom:24px}.showroom-collage{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:220px 220px;gap:12px}.showroom-collage img{width:100%;height:100%;object-fit:cover;border-radius:18px}.showroom-collage .big{grid-row:1/3}
.about-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:56px;align-items:center}.about-logo{background:#f4f7fb;border-radius:28px;padding:40px;border:1px solid #e6ebf2}.about-logo img{width:100%;border-radius:18px}.about-copy>p:not(.eyebrow){color:var(--muted)}.about-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:26px}.about-points div{padding:18px;border-radius:16px;background:#f6f8fb}.about-points strong{display:block;font-family:'Kanit';font-size:1.45rem;color:var(--navy)}.about-points span{font-size:.9rem;color:var(--muted)}
.company{background:#f7f9fc}.company-grid{display:grid;grid-template-columns:1.4fr .7fr;gap:36px;align-items:start}.company-list{margin:22px 0}.company-list div{display:grid;grid-template-columns:180px 1fr;padding:14px 0;border-bottom:1px solid #dde4ed}.company-list dt{font-weight:700;color:var(--navy)}.company-list dd{margin:0;color:#3f4a5a}.company-actions{justify-content:flex-start}.legal-card{background:var(--navy);color:#fff;padding:32px;border-radius:22px;box-shadow:var(--shadow);position:sticky;top:120px}.legal-icon{width:58px;height:58px;border-radius:50%;background:var(--yellow);color:var(--navy);font-size:2rem;font-weight:700;display:grid;place-items:center;margin-bottom:18px}.legal-card h3{font-family:'Kanit';font-size:1.5rem;margin:0 0 12px}.legal-card p{color:#d7e2f0}.legal-card span{display:block;color:var(--yellow);font-weight:600;margin-top:18px}
.cta-strip{padding:44px 0;background:linear-gradient(90deg,var(--yellow),#ffdc5a)}.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}.cta-strip h2{color:var(--navy);font-size:clamp(1.8rem,3vw,2.7rem)}
footer{background:#031d3c;color:#d9e3ef;padding:56px 0 18px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1.5fr 1fr;gap:28px}.footer-brand img{width:110px;border-radius:12px;margin-bottom:14px}.footer-grid h4{color:#fff;font-family:'Kanit';font-size:1.15rem;margin:0 0 12px}.footer-grid a,.footer-grid p{display:block;color:#b6c5d8;margin:6px 0}.copyright{border-top:1px solid rgba(255,255,255,.12);padding-top:16px;margin-top:34px;font-size:.88rem;color:#8fa4bd}.back-top{position:fixed;right:22px;bottom:22px;width:46px;height:46px;border:0;border-radius:50%;background:var(--yellow);color:var(--navy);font-size:1.35rem;font-weight:700;box-shadow:0 8px 24px rgba(0,0,0,.18);cursor:pointer;opacity:0;pointer-events:none;transition:.2s}.back-top.show{opacity:1;pointer-events:auto}
@media(max-width:980px){.nav{position:absolute;top:100%;left:0;right:0;background:#fff;display:none;flex-direction:column;align-items:stretch;padding:18px 24px;border-bottom:1px solid #e6ebf0;box-shadow:0 18px 30px rgba(2,30,66,.12)}.nav.open{display:flex}.menu-btn{display:block}.feature-grid{grid-template-columns:repeat(2,1fr)}.category-grid{grid-template-columns:repeat(2,1fr)}.product-grid{grid-template-columns:repeat(3,1fr)}.showroom-grid,.about-grid,.company-grid{grid-template-columns:1fr}.legal-card{position:static}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.topbar-inner{font-size:.78rem;align-items:center}.topbar-inner span{max-width:72%}.nav-wrap{min-height:70px}.brand img{width:72px;height:54px}.hero{padding-top:20px}.hero-frame{border-radius:14px}.hero-copy{margin:14px 0 0;padding:24px 18px;text-align:left}.hero h1{font-size:2.05rem}.hero-actions{justify-content:flex-start}.quick-features{margin-top:0;padding-top:12px}.feature-grid{grid-template-columns:1fr}.section{padding:62px 0}.category-grid{grid-template-columns:1fr}.category-card img{height:220px}.product-grid{grid-template-columns:repeat(2,1fr);gap:10px}.product-grid img{height:210px}.product-grid figcaption{font-size:.88rem;padding:10px 12px}.showroom-collage{grid-template-columns:1fr;grid-template-rows:260px 180px 180px}.showroom-collage .big{grid-row:auto}.about-points{grid-template-columns:1fr}.company-list div{grid-template-columns:1fr;gap:4px}.cta-inner{flex-direction:column;align-items:flex-start}.footer-grid{grid-template-columns:1fr}.section-head{margin-bottom:24px}}