/* ===== Tokens ===== */
:root{
  --navy:#0c2a4d;
  --navy-2:#103a6b;
  --red:#d62828;
  --red-dk:#b21e1e;
  --gold:#f4a300;
  --ink:#16202b;
  --muted:#5b6b7b;
  --line:#e6ebf1;
  --bg:#ffffff;
  --bg-alt:#f4f7fb;
  --radius:16px;
  --shadow:0 10px 30px rgba(12,42,77,.10);
  --shadow-sm:0 4px 14px rgba(12,42,77,.08);
  --wrap:1140px;
  --font:"Sora","Noto Sans Thai",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
}
html[lang="th"]{ --font:"Noto Sans Thai","Sora",system-ui,sans-serif; }

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:min(var(--wrap),92%);margin-inline:auto}

h1,h2,h3{line-height:1.15;letter-spacing:-.01em}
h1{font-size:clamp(2rem,4.5vw,3.4rem);font-weight:800}
h2{font-size:clamp(1.6rem,3vw,2.4rem);font-weight:700;color:var(--navy)}
h3{font-size:1.18rem;font-weight:600}
.muted{color:var(--muted)}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.85rem 1.5rem;border-radius:999px;font-weight:600;font-size:.98rem;
  cursor:pointer;border:1px solid transparent;transition:transform .15s ease,box-shadow .2s ease,background .2s ease}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--red);color:#fff;box-shadow:0 8px 20px rgba(214,40,40,.28)}
.btn-primary:hover{background:var(--red-dk)}
.btn-ghost{background:transparent;color:var(--navy);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--navy);background:#fff}

/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);
  backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:1.5rem;height:72px}
.brand{display:flex;align-items:center;gap:.7rem;margin-right:auto}
.brand-mark{display:grid;place-items:center;width:46px;height:46px;border-radius:12px;
  background:linear-gradient(135deg,var(--navy),var(--navy-2));color:#fff;font-weight:800;font-size:1.05rem;letter-spacing:-.02em}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{color:var(--navy);font-size:1.02rem}
.brand-text small{color:var(--muted);font-size:.74rem}
.nav-links{display:flex;align-items:center;gap:1.6rem}
.nav-links a{font-size:.95rem;font-weight:500;color:var(--ink);opacity:.85;transition:opacity .15s}
.nav-links a:hover{opacity:1}
.nav-cta{background:var(--navy);color:#fff!important;padding:.55rem 1.1rem;border-radius:999px;opacity:1!important}
.nav-cta:hover{background:var(--navy-2)}
.lang-toggle{border:1px solid var(--line);background:#fff;border-radius:999px;
  padding:.45rem .8rem;font-weight:600;font-size:.82rem;cursor:pointer;color:var(--muted);font-family:var(--font)}
.lang-toggle .sep{opacity:.4;margin:0 .25rem}
.lang-toggle.is-th .lang-th,.lang-toggle:not(.is-th) .lang-en{color:var(--navy)}

/* ===== Hero ===== */
.hero{padding:clamp(3rem,6vw,5.5rem) 0;background:
  radial-gradient(1100px 500px at 80% -10%,rgba(244,163,0,.10),transparent 60%),
  radial-gradient(900px 500px at -5% 10%,rgba(16,58,107,.08),transparent 55%),var(--bg)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--red);background:rgba(214,40,40,.08);padding:.4rem .85rem;border-radius:999px;margin-bottom:1.2rem}
.hero-copy h1{margin-bottom:1.1rem}
.lede{font-size:1.1rem;color:var(--muted);max-width:38ch;margin-bottom:1.8rem}
.hero-actions{display:flex;gap:.9rem;flex-wrap:wrap;margin-bottom:2.4rem}
.hero-stats{list-style:none;display:flex;gap:2.2rem}
.hero-stats li{display:flex;flex-direction:column}
.hero-stats strong{font-size:1.7rem;color:var(--navy);font-weight:800}
.hero-stats span{font-size:.82rem;color:var(--muted)}
.hero-media{position:relative}
.hero-media img{width:100%;aspect-ratio:4/4.4;object-fit:cover;border-radius:24px;box-shadow:var(--shadow)}
.hero-badge{position:absolute;left:-14px;bottom:24px;background:#fff;padding:.7rem 1.1rem;border-radius:14px;
  box-shadow:var(--shadow);font-weight:700;color:var(--navy);font-size:.92rem;border-left:4px solid var(--gold)}

/* ===== Trust strip ===== */
.trust{background:var(--navy);color:#fff}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;padding:1.1rem 0;text-align:center}
.trust-grid div{font-size:.92rem;font-weight:500;opacity:.92;position:relative}
.trust-grid div+div::before{content:"";position:absolute;left:-.5px;top:50%;transform:translateY(-50%);height:60%;width:1px;background:rgba(255,255,255,.18)}

/* ===== Sections ===== */
.section{padding:clamp(3.5rem,7vw,6rem) 0}
.section-alt{background:var(--bg-alt)}
.kicker{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--red);margin-bottom:.8rem}
.section-head{max-width:60ch;margin-bottom:2.6rem}
.section-sub{color:var(--muted);font-size:1.05rem;margin-top:.6rem}

/* About */
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.about-grid h2{margin:.4rem 0 1.1rem}
.about-grid p{color:var(--muted);margin-bottom:1rem}
.checklist{list-style:none;margin-top:1.4rem;display:grid;gap:.7rem}
.checklist li{position:relative;padding-left:1.9rem;font-weight:500;color:var(--ink)}
.checklist li::before{content:"✓";position:absolute;left:0;top:0;width:1.3rem;height:1.3rem;border-radius:50%;
  background:rgba(214,40,40,.12);color:var(--red);font-size:.78rem;font-weight:800;display:grid;place-items:center}
.about-media{border-radius:20px;overflow:hidden;box-shadow:var(--shadow)}
.about-media img{aspect-ratio:4/3.6;object-fit:cover}
.about-media figcaption{background:#fff;padding:.85rem 1.1rem;font-size:.88rem;color:var(--muted)}

/* Cards */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-sm);transition:transform .18s ease,box-shadow .25s ease;display:flex;flex-direction:column}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.card-media img{aspect-ratio:4/3;object-fit:cover}
.card-media-icon{aspect-ratio:4/3;display:grid;place-items:center;position:relative;overflow:hidden}
.card-media-icon span{font-size:3.2rem;filter:drop-shadow(0 6px 12px rgba(0,0,0,.18));z-index:1}
.card-media-icon::after{content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1.4px,transparent 1.4px);background-size:16px 16px;opacity:.6}
.card-media-icon--green{background:linear-gradient(135deg,#1d8a4c,#2bb56b)}
.card-media-icon--navy{background:linear-gradient(135deg,var(--navy),var(--navy-2))}
.card-body{padding:1.2rem 1.4rem 1.6rem}
.card-body h3{color:var(--navy);margin-bottom:.5rem}
.card-body p{color:var(--muted);font-size:.94rem}

/* Capabilities */
.cap-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem}
.cap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.8rem 1.5rem;
  box-shadow:var(--shadow-sm);border-top:3px solid var(--gold)}
.cap-num{font-size:.9rem;font-weight:800;color:var(--gold);letter-spacing:.05em}
.cap h3{color:var(--navy);margin:.7rem 0 .6rem}
.cap p{color:var(--muted);font-size:.94rem}

/* Banner */
.banner{position:relative;background-size:cover;background-position:center;padding:clamp(4rem,8vw,6rem) 0}
.banner-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(12,42,77,.92),rgba(12,42,77,.55))}
.banner-content{position:relative;max-width:46ch;color:#fff}
.banner-content h2{color:#fff;margin-bottom:1.6rem}

/* Company */
.company-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(2rem,5vw,4rem);align-items:start}
.company-grid h2{margin:.4rem 0 1rem}
.company-grid p{color:var(--muted)}
.link-out{display:inline-block;margin-top:1.2rem;color:var(--red);font-weight:600}
.link-out:hover{color:var(--red-dk)}
.facts{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden}
.facts>div{display:grid;grid-template-columns:.8fr 1.2fr;gap:1rem;padding:1rem 1.4rem;border-bottom:1px solid var(--line)}
.facts>div:last-child{border-bottom:none}
.facts dt{font-weight:600;color:var(--navy);font-size:.92rem}
.facts dd{color:var(--ink);font-size:.95rem}
.facts dd .muted{font-size:.85rem}
.pill{display:inline-block;background:rgba(38,166,91,.12);color:#1d8a4c;font-weight:600;font-size:.82rem;padding:.25rem .7rem;border-radius:999px}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:start}
.contact-grid h2{margin:.4rem 0 1rem}
.contact-grid>div>p{color:var(--muted)}
.contact-list{list-style:none;margin-top:1.6rem;display:grid;gap:.9rem}
.contact-list li{display:flex;gap:.8rem;align-items:center;font-weight:500}
.ci{width:2.1rem;height:2.1rem;border-radius:10px;background:var(--bg-alt);display:grid;place-items:center;flex:none}
.contact-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.8rem;box-shadow:var(--shadow-sm);display:grid;gap:1rem}
.contact-form label{display:grid;gap:.4rem;font-size:.88rem;font-weight:600;color:var(--navy)}
.contact-form input,.contact-form textarea{font-family:var(--font);font-size:.95rem;padding:.75rem .9rem;
  border:1px solid var(--line);border-radius:10px;background:var(--bg-alt);color:var(--ink);resize:vertical}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--navy);background:#fff}
.form-note{font-size:.85rem;color:#1d8a4c;font-weight:500}

/* Footer */
.site-footer{background:var(--navy);color:#fff;padding:2.6rem 0 1.6rem}
.footer-grid{display:flex;justify-content:space-between;gap:2rem;flex-wrap:wrap;padding-bottom:1.8rem;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-grid .brand-mark{margin-bottom:.8rem}
.footer-grid p{max-width:42ch;color:rgba(255,255,255,.7);font-size:.92rem}
.footer-links{display:flex;gap:1.5rem;flex-wrap:wrap;align-items:flex-start}
.footer-links a{color:rgba(255,255,255,.85);font-size:.92rem}
.footer-links a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;padding-top:1.2rem;font-size:.84rem;color:rgba(255,255,255,.6)}

/* ===== Responsive ===== */
@media(max-width:920px){
  .hero-grid,.about-grid,.company-grid,.contact-grid{grid-template-columns:1fr}
  .hero-media{order:-1}
  .cards,.cap-grid{grid-template-columns:repeat(2,1fr)}
  .trust-grid{grid-template-columns:repeat(2,1fr);gap:.8rem 1rem}
  .trust-grid div+div::before{display:none}
  .nav-links{display:none}
}
@media(max-width:560px){
  .cards,.cap-grid,.trust-grid{grid-template-columns:1fr}
  .hero-stats{gap:1.4rem}
  .facts>div{grid-template-columns:1fr;gap:.2rem}
  .footer-bottom{flex-direction:column}
}