:root{--blue:#3e6ae1;--ink:#171a20;--gray:#5c5e62;--light:#f4f4f4;--nav-h:64px;
--f:"Inter","Noto Sans Thai",system-ui,-apple-system,"Segoe UI",sans-serif}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--f);color:var(--ink);background:#fff;-webkit-font-smoothing:antialiased;line-height:1.5}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}

/* NAV */
.nav{position:fixed;inset:0 0 auto 0;height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;padding:0 28px;z-index:50;color:#fff;transition:background .3s,color .3s,box-shadow .3s}
.nav.solid,body.solid .nav{background:#fff;color:var(--ink);box-shadow:0 1px 0 rgba(0,0,0,.06)}
.brand{font-weight:600;letter-spacing:.04em;font-size:15px;min-width:200px}
.menu{display:flex;gap:6px}
.menu a{padding:8px 14px;border-radius:6px;font-size:14px;font-weight:500;transition:background .2s}
.menu a:hover{background:rgba(127,127,127,.18)}
.tools{display:flex;gap:10px;align-items:center;min-width:200px;justify-content:flex-end}
.lang{font-size:13px;font-weight:600;padding:7px 12px;border-radius:6px;border:1px solid currentColor;opacity:.9}
.lang:hover{background:rgba(127,127,127,.18)}
.burger{display:none;width:36px;height:36px;position:relative}
.burger span{position:absolute;left:8px;right:8px;height:2px;background:currentColor;transition:.25s}
.burger span:first-child{top:13px}.burger span:last-child{top:21px}
.burger.open span:first-child{top:17px;transform:rotate(45deg)}.burger.open span:last-child{top:17px;transform:rotate(-45deg)}

/* HERO */
.hero{position:relative;height:100vh;min-height:620px;overflow:hidden;background:#05070d;color:#fff}
.slides{position:absolute;inset:0}
.slide{position:absolute;inset:0;opacity:0;transition:opacity .9s ease;pointer-events:none}
.slide.on{opacity:1;pointer-events:auto}
.slide video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.slide img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.slide::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.6),rgba(0,0,0,.28) 40%,rgba(0,0,0,.62))}
.slide .copy{position:absolute;z-index:2;top:17vh;left:0;right:0;text-align:center;padding:0 24px}
.slide .copy,.stats{text-shadow:0 1px 14px rgba(0,0,0,.45)}
.slide h1{font-size:clamp(34px,5vw,52px);font-weight:500;letter-spacing:-.01em;line-height:1.15}
.slide .sub{margin-top:12px;font-size:clamp(15px,1.5vw,18px);opacity:.92;max-width:640px;margin-inline:auto}
.cta{display:flex;gap:16px;justify-content:center;margin-top:30px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;min-width:238px;height:48px;padding:0 24px;border-radius:6px;font-size:14px;font-weight:500;background:rgba(255,255,255,.96);color:#393c41;transition:transform .15s,background .2s}
.btn:hover{transform:translateY(-1px);background:#fff}
.btn.primary{background:var(--blue);color:#fff}
.btn.primary:hover{background:#3457b1}
.stats{position:absolute;z-index:2;bottom:64px;left:0;right:0;display:flex;justify-content:center;gap:clamp(28px,6vw,90px);padding:0 24px;text-align:center}
.stat{max-width:240px}
.stat b{display:block;font-size:clamp(24px,2.6vw,32px);font-weight:500;line-height:1.1}
.stat b small{font-size:.55em;font-weight:500;margin-left:4px}
.stat span{display:block;font-size:14px;font-weight:500;margin-top:6px;opacity:.95}
.arrow{position:absolute;z-index:5;top:50%;transform:translateY(-50%);width:48px;height:48px;border-radius:6px;background:rgba(255,255,255,.92);color:#171a20;font-size:30px;line-height:1;display:grid;place-items:center;transition:background .2s}
.arrow:hover{background:#fff}.prev{left:56px}.next{right:56px}
.dots{position:absolute;z-index:5;bottom:26px;left:50%;transform:translateX(-50%);display:flex;gap:10px}
.dot{width:12px;height:12px;border-radius:50%;background:rgba(255,255,255,.5);transition:.25s}
.dot.on{background:#fff;transform:scale(1.1)}
.pause{position:absolute;z-index:5;left:28px;bottom:22px;width:44px;height:36px;border-radius:6px;background:rgba(255,255,255,.35);font-size:12px;letter-spacing:-2px;backdrop-filter:blur(6px)}

/* PANELS */
.panels{display:grid;gap:16px;padding:16px;grid-template-columns:1fr 1fr}
.panel{position:relative;min-height:78vh;border-radius:12px;overflow:hidden;color:#fff;display:flex;align-items:flex-end}
.panel img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 1.2s ease}
.panel:hover img{transform:scale(1.04)}
.panel::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(0,0,0,.65),rgba(0,0,0,0) 55%)}
.panel .in{position:relative;z-index:2;padding:40px}
.panel .k{font-size:13px;letter-spacing:.14em;text-transform:uppercase;opacity:.85}
.panel h3{font-size:clamp(24px,2.6vw,36px);font-weight:500;line-height:1.2;margin:8px 0 10px;max-width:520px}
.panel p{max-width:460px;opacity:.92;margin-bottom:22px}
.panel .btn{min-width:180px}

/* SECTIONS */
.sec{padding:96px 40px 24px;max-width:1280px;margin:0 auto}
.sec-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:28px}
.sec-head h2{font-size:clamp(28px,3vw,40px);font-weight:500;letter-spacing:-.01em}
.sec-head a{color:var(--blue);font-weight:500}
.sec-head a:hover{text-decoration:underline}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--light);border-radius:12px;padding:28px;min-height:220px;display:flex;flex-direction:column;justify-content:space-between;transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(0,0,0,.09)}
.card .tag{display:inline-block;font-size:12px;font-weight:600;color:var(--blue);margin-bottom:12px}
.card h4{font-size:19px;font-weight:500;line-height:1.4}
.card time{font-size:13px;color:var(--gray);margin-top:24px}

.services{margin:96px 16px 0;border-radius:12px;background:radial-gradient(120% 140% at 80% 20%,#1c3a7a,#080d1c 60%);color:#fff;padding:96px 24px;text-align:center}
.services h2{font-size:clamp(30px,4vw,48px);font-weight:500}
.services p{margin:12px auto 30px;max-width:520px;opacity:.9}

.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding-bottom:96px}
.tile{position:relative;aspect-ratio:3/4;border-radius:12px;padding:28px;display:flex;flex-direction:column;justify-content:flex-end;color:#fff;overflow:hidden;transition:transform .25s}
.tile:hover{transform:translateY(-4px)}
.tile h4{font-size:22px;font-weight:500}.tile p{font-size:14px;opacity:.9;margin-top:4px}
.t1{background:linear-gradient(160deg,#1c3a7a,#0a1226)}.t2{background:linear-gradient(160deg,#171a20,#3a4254)}
.t3{background:linear-gradient(160deg,#3e6ae1,#16275c)}.t4{background:linear-gradient(160deg,#2b2f3a,#0a0c12)}

.foot{padding:40px;text-align:center;color:var(--gray);font-size:13px;border-top:1px solid #eee}
.foot b{display:block;color:var(--ink);font-weight:600;margin-bottom:6px;font-size:14px}

.soon{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:14px;padding:90px 24px 24px}
.soon h1{font-weight:500;font-size:clamp(30px,4vw,44px)}.soon p{color:var(--gray)}
.soon .btn{margin-top:14px}

/* RESPONSIVE */
@media(max-width:1100px){.menu{display:none}.burger{display:block}
 .menu.open{display:flex;position:fixed;top:var(--nav-h);left:0;right:0;flex-direction:column;background:#fff;color:var(--ink);padding:12px 20px 24px;box-shadow:0 20px 30px rgba(0,0,0,.1)}
 .menu.open a{padding:14px 8px;font-size:16px;border-bottom:1px solid #eee}
 .prev{left:14px}.next{right:14px}}
@media(max-width:820px){
 .panels{grid-template-columns:1fr}.panel{min-height:64vh}.panel .in{padding:26px}
 .cards{grid-template-columns:1fr}.tiles{grid-template-columns:1fr 1fr}.sec{padding:64px 20px 16px}
 .stats{bottom:70px;gap:18px}.stat span{font-size:12px}
 .arrow{display:none}.pause{display:none}.nav{padding:0 16px}.brand,.tools{min-width:0}
 .btn{min-width:200px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}