:root{
  --blue:#2f7bff; --blue-dark:#1a5fd9; --yellow:#ffc940; --yellow-soft:#ffd76b;
  --ink:#0f172a; --muted:#475569; --bg:#f5f8ff; --card:#ffffff; --line:#e6ecf7;
  --radius:22px; --shadow:0 10px 30px rgba(15,30,80,.08);
  --font: 'Inter',system-ui,-apple-system,Segoe UI,Roboto,'Noto Sans Thai',sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:var(--font);color:var(--ink);background:linear-gradient(180deg,#e9f0ff 0%,#f5f8ff 600px);line-height:1.6}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}
.container{max-width:1180px;margin:0 auto;padding:0 22px}
.nav{position:sticky;top:14px;z-index:30;margin:14px auto;max-width:1180px;background:#fff;border-radius:999px;box-shadow:var(--shadow);display:flex;align-items:center;justify-content:space-between;padding:14px 22px}
.brand{font-weight:800;font-size:24px;letter-spacing:-.5px;color:var(--blue)}
.brand span{color:var(--yellow)}
.nav ul{display:flex;gap:22px;list-style:none;margin:0;padding:0;flex-wrap:wrap}
.nav ul a{color:var(--ink);font-weight:500;font-size:15px}
.nav .cta{background:var(--yellow);color:var(--ink);padding:10px 18px;border-radius:999px;font-weight:700}
.nav .cta:hover{background:var(--yellow-soft);text-decoration:none}
.lang{font-size:13px;color:var(--muted);margin-left:10px}
.lang a{margin:0 4px;color:var(--muted)}
.lang a.active{color:var(--blue);font-weight:700}

.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:22px;margin:22px 0 30px}
.hero .panel{background:#fff;border-radius:var(--radius);padding:42px;box-shadow:var(--shadow)}
.hero h1{font-size:clamp(34px,4.4vw,58px);line-height:1.05;margin:0 0 16px;letter-spacing:-1.5px;font-weight:800}
.hero h1 .accent{color:var(--blue)}
.hero p{font-size:18px;color:var(--muted);max-width:520px}
.hero .yellow{background:var(--yellow);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;padding:30px;min-height:380px;font-size:120px}
.btn{display:inline-block;background:var(--yellow);color:var(--ink);padding:14px 26px;border-radius:999px;font-weight:700;border:none;cursor:pointer;font-size:15px}
.btn:hover{background:var(--yellow-soft);text-decoration:none}
.btn.blue{background:var(--blue);color:#fff}
.btn.blue:hover{background:var(--blue-dark)}

.stats{display:grid;grid-template-columns:1fr 1fr 1fr;gap:22px;margin:30px 0}
.stat{border-radius:var(--radius);padding:32px;box-shadow:var(--shadow)}
.stat.blue{background:var(--blue);color:#fff}
.stat.yellow{background:var(--yellow);color:var(--ink)}
.stat.white{background:#fff}
.stat .big{font-size:54px;font-weight:800;letter-spacing:-1px}

section.block{background:#fff;border-radius:var(--radius);padding:48px;box-shadow:var(--shadow);margin:24px 0}
section.block h2{font-size:clamp(28px,3vw,40px);margin:0 0 18px;letter-spacing:-.8px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:24px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:24px}
.card{background:var(--bg);border:1px solid var(--line);border-radius:18px;padding:24px}
.card h3{margin:0 0 8px;font-size:20px}
.card p{color:var(--muted);margin:0}
.tag{display:inline-block;background:var(--blue);color:#fff;font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px;letter-spacing:.5px;text-transform:uppercase}

.article{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:48px;margin:24px 0}
.article h1{font-size:clamp(30px,3.6vw,48px);margin:10px 0 16px;letter-spacing:-1px}
.article .meta{color:var(--muted);font-size:14px;margin-bottom:24px}
.article h2{margin-top:32px}
.article p,.article li{font-size:17px;color:#1f2937}

form.contact{display:grid;gap:14px;max-width:620px}
form.contact input,form.contact textarea,form.contact select{width:100%;padding:14px 16px;border:1px solid var(--line);border-radius:14px;font:inherit;background:#fff}
form.contact textarea{min-height:140px;resize:vertical}
form.contact label{font-size:14px;font-weight:600}

footer{background:var(--ink);color:#cbd5e1;margin-top:40px;padding:40px 0}
footer .container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:20px}
footer a{color:#cbd5e1}
footer .brand{color:#fff}

#cookie-banner{position:fixed;left:18px;right:18px;bottom:18px;max-width:520px;background:#fff;border-radius:18px;box-shadow:0 20px 50px rgba(0,0,0,.2);padding:22px;z-index:100;display:none}
#cookie-banner h4{margin:0 0 8px}
#cookie-banner p{margin:0 0 14px;color:var(--muted);font-size:14px}
#cookie-banner .row{display:flex;gap:10px;flex-wrap:wrap}
#cookie-banner button{cursor:pointer;border:none;padding:10px 18px;border-radius:999px;font-weight:700;font-size:14px}
#cookie-banner .accept{background:var(--blue);color:#fff}
#cookie-banner .reject{background:#eef2ff;color:var(--ink)}

@media(max-width:860px){
  .hero{grid-template-columns:1fr}
  .stats,.grid-3,.grid-2{grid-template-columns:1fr}
  .nav ul{display:none}
  section.block,.article,.hero .panel{padding:28px}
}

.nav-actions{display:flex;align-items:center;gap:14px}
.menu-toggle{display:none;background:transparent;border:none;cursor:pointer;padding:8px;border-radius:12px}
.menu-toggle span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;border-radius:999px;transition:.25s ease}
.nav-mobile-extra{display:none}
@media(max-width:860px){
  .nav{position:sticky;top:10px;border-radius:28px;padding:16px 18px;align-items:flex-start;flex-wrap:wrap}
  .menu-toggle{display:block;order:3}
  .nav ul{display:none;width:100%;padding-top:14px;flex-direction:column;gap:14px}
  .nav ul.open{display:flex}
  .nav-actions{margin-left:auto;align-items:center}
  .nav .nav-actions .cta,.nav .lang{display:none}
  .nav.mobile-open .menu-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav.mobile-open .menu-toggle span:nth-child(2){opacity:0}
  .nav.mobile-open .menu-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .nav.mobile-open .nav-mobile-extra{display:flex}
  .nav-mobile-extra{display:none;width:100%;justify-content:space-between;align-items:center;padding-top:12px;border-top:1px solid var(--line);margin-top:12px}
}