:root {
  --green-900:#183d2b;
  --green-800:#21533b;
  --green-700:#2f6a4c;
  --green-100:#e7f2ea;
  --gold-700:#b9852a;
  --gold-500:#d7a64a;
  --cream:#fff8ec;
  --sand:#f3e6cf;
  --clay:#9d5838;
  --lotus:#c85f7d;
  --ink:#1b2b23;
  --muted:#607267;
  --white:#fff;
  --line:rgba(27,43,35,.14);
  --shadow:0 18px 50px rgba(24,61,43,.14);
  --radius:28px;
  --container:1180px;
  --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-th: "Noto Sans Thai", "Tahoma", "Leelawadee UI", var(--font);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:#fff;line-height:1.65;font-size:16px}
html[lang="th"] body{font-family:var(--font-th);font-size:17px;line-height:1.72}
a{color:inherit;text-decoration:none}
a:hover{text-decoration:none}
img{max-width:100%;height:auto;display:block}
.container{width:min(var(--container), calc(100% - 40px));margin-inline:auto}
.skip-link{position:absolute;left:-999px;top:10px;background:#fff;color:#000;padding:.7rem 1rem;border-radius:999px;z-index:10}.skip-link:focus{left:10px}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,248,236,.86);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.nav-shell{display:flex;align-items:center;justify-content:space-between;min-height:74px;gap:20px}
.brand{display:flex;align-items:center;gap:12px;font-weight:850;letter-spacing:-.03em;color:var(--green-900)}
.brand-mark{width:44px;height:44px;border-radius:16px;display:grid;place-items:center;background:linear-gradient(135deg,var(--green-800),var(--gold-500));color:#fff;font-size:.92rem;box-shadow:0 10px 24px rgba(24,61,43,.18)}
.brand-text{font-size:1.34rem}.brand-text span{color:var(--gold-700)}
.primary-nav{display:flex;align-items:center;gap:18px;font-weight:700;color:var(--green-900)}
.primary-nav a{padding:.55rem .65rem;border-radius:999px}.primary-nav a:hover{background:rgba(47,106,76,.1)}
.nav-cta{background:var(--green-800)!important;color:#fff!important;padding:.65rem 1rem!important}.lang-switch{display:flex;gap:8px;align-items:center}.lang-switch a{border:1px solid var(--line);background:#fff}.lang-switch .active{background:var(--gold-500);color:#1b2b23;border-color:transparent}
.menu-toggle{display:none;background:transparent;border:0;width:44px;height:44px;gap:5px;flex-direction:column;align-items:center;justify-content:center}.menu-toggle span{width:24px;height:2px;background:var(--green-900);display:block;border-radius:999px}
.section{padding:92px 0}.section-light{background:radial-gradient(circle at 15% 15%, #fff9e9 0 30%, transparent 31%), linear-gradient(180deg,#fff8ec,#fff)}.section-cream{background:var(--cream)}.section-green{background:linear-gradient(145deg,var(--green-900),var(--green-700));color:#fff}.section-values{background:linear-gradient(180deg,#fff,#f8efe2)}
.hero{overflow:hidden;padding:96px 0 72px}.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;align-items:center;gap:46px}.hero-copy{position:relative;z-index:2}.eyebrow,.section-kicker{text-transform:uppercase;letter-spacing:.16em;font-size:.78rem;font-weight:900;color:var(--gold-700);margin:0 0 14px}.section-kicker.light{color:#ffe0a0}
h1,h2,h3{line-height:1.08;color:var(--green-900);letter-spacing:-.04em;margin:0}h1{font-size:clamp(2.7rem,5.3vw,5.8rem);max-width:820px}h2{font-size:clamp(2rem,3.6vw,3.9rem)}h3{font-size:1.35rem;letter-spacing:-.02em}.section-green h2,.section-green h3{color:#fff}
.lead{font-size:clamp(1.12rem,1.7vw,1.42rem);color:#3f5649;max-width:690px;margin:24px 0}.section-green p{color:rgba(255,255,255,.86)}p{color:#42584c;margin:0 0 1rem}.trust-note,.small-note{font-size:.95rem;color:var(--muted)}
.cta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin:28px 0 12px}.cta-row.center{justify-content:center}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:.83rem 1.18rem;border-radius:999px;font-weight:850;border:1px solid transparent;transition:.2s ease;box-shadow:none}.button:hover{transform:translateY(-1px)}.button-primary{background:var(--green-800);color:#fff}.button-secondary{background:#fff;color:var(--green-900);border-color:var(--line)}.button-white{background:#fff;color:var(--green-900)}.button-ghost{border-color:rgba(255,255,255,.36);color:#fff;background:rgba(255,255,255,.08)}
.hero-art,.section-art{margin:0;position:relative}.hero-art:before{content:"";position:absolute;inset:10% -8% -2% 12%;background:radial-gradient(circle,rgba(215,166,74,.28),transparent 64%);filter:blur(8px);z-index:0}.hero-art img,.section-art img{position:relative;z-index:1;filter:drop-shadow(0 22px 38px rgba(24,61,43,.18))}
.ticker{border-block:1px solid var(--line);background:var(--green-900);color:#fff;overflow:hidden}.ticker-track{display:flex;gap:0;white-space:nowrap;animation:ticker 34s linear infinite}.ticker-track a{padding:18px 32px;font-weight:800;color:#fff;border-right:1px solid rgba(255,255,255,.15)}@keyframes ticker{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}.align-start{align-items:start}.reverse-mobile{}
.feature-panel,.knowledge-list,.language-panel,.schools-preview,.json-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}.feature-panel.thailand-focus{background:linear-gradient(145deg,#fff,#fff2dd)}.feature-panel h3,.knowledge-list h3,.language-panel h3{margin-bottom:12px}.knowledge-list{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.18);box-shadow:none}.knowledge-list ul{margin:0;padding-left:20px;color:rgba(255,255,255,.88)}
.section-head{text-align:center;margin:0 auto 42px}.section-head.narrow{max-width:780px}.action-cards{display:grid;gap:20px}.action-cards.three{grid-template-columns:repeat(3,1fr)}.action-card,.school-card,.topic-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:24px;box-shadow:0 12px 34px rgba(24,61,43,.08);transition:.18s ease}.action-card:hover,.school-card:hover,.topic-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.icon-badge{width:42px;height:42px;border-radius:14px;background:var(--green-100);display:grid;place-items:center;font-weight:900;color:var(--green-800);margin-bottom:16px}.action-card a,.school-card a{font-weight:850;color:var(--green-800)}
.schools-preview{margin-top:34px}.preview-head{display:flex;align-items:end;justify-content:space-between;gap:16px;border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:22px}.preview-head h3{margin:0}.preview-head p{margin:0;max-width:520px}.school-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.school-card{box-shadow:none}.school-meta{display:flex;flex-wrap:wrap;gap:8px;margin:.4rem 0 .8rem}.tag{font-size:.78rem;font-weight:850;border-radius:999px;padding:.24rem .55rem;background:var(--green-100);color:var(--green-800)}.count-tag{background:#fff4dd;color:#8a611d}.fallback-box{border:1px dashed var(--line);border-radius:20px;padding:22px;background:#fffaf1}
.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.topic-card span{display:block;font-weight:900;color:var(--green-900);font-size:1.05rem}.topic-card small{display:block;margin-top:8px;color:var(--muted);line-height:1.45}.values-shell{text-align:center}.values-grid{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin:30px auto;max-width:900px}.values-grid span{background:#fff;border:1px solid var(--line);border-radius:999px;padding:.64rem .9rem;font-weight:800}.values-shell blockquote{margin:36px auto 0;max-width:840px;font-size:1.3rem;font-weight:650;color:var(--green-900)}
.language-list{display:flex;flex-wrap:wrap;gap:10px}.language-list a{padding:.65rem .85rem;border-radius:999px;background:var(--green-100);font-weight:850;color:var(--green-900)}.final-cta{background:linear-gradient(145deg,var(--green-900),#8c5b24);color:#fff;text-align:center}.final-cta h2{color:#fff;max-width:850px;margin-inline:auto}.final-cta p{color:rgba(255,255,255,.86);max-width:800px;margin:18px auto 0}.site-footer{background:#112a1f;color:#fff;padding:54px 0}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:28px}.site-footer p,.site-footer a{color:rgba(255,255,255,.78);display:block;margin:.35rem 0}.site-footer h3{color:#fff;margin-bottom:12px}.footer-brand{margin-bottom:14px}.footer-brand .brand-mark{background:linear-gradient(135deg,var(--gold-500),var(--lotus))}.footer-brand .brand-text{color:#fff}.footer-brand .brand-text span{color:#ffd98e}
@media(max-width:920px){.menu-toggle{display:flex}.primary-nav{position:absolute;right:20px;left:20px;top:74px;display:none;flex-direction:column;align-items:stretch;background:#fff;border:1px solid var(--line);border-radius:24px;padding:14px;box-shadow:var(--shadow)}.primary-nav.open{display:flex}.primary-nav a{text-align:center}.hero-grid,.two-col{grid-template-columns:1fr}.hero{padding-top:64px}.hero-art{order:-1}.reverse-mobile .section-art{order:-1}.action-cards.three,.school-grid,.topic-grid,.footer-grid{grid-template-columns:1fr}.section{padding:66px 0}.preview-head{display:block}.preview-head p{margin-top:8px}.brand-text{font-size:1.15rem}}
@media(max-width:520px){.container{width:min(100% - 28px, var(--container))}h1{font-size:2.5rem}.nav-shell{min-height:66px}.primary-nav{top:66px}.button{width:100%}.cta-row{align-items:stretch}.ticker-track a{padding:14px 22px}.feature-panel,.knowledge-list,.language-panel,.schools-preview{padding:22px}.section{padding:54px 0}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}