/* ====== Base / Theme ====== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --radius:10px;
  --maxw:1200px;
  --font:'Segoe UI',-apple-system,'Helvetica Neue',Tahoma,'Noto Sans Thai',sans-serif;
  --shadow:0 8px 30px rgba(0,0,0,.12);
  /* fallback header tokens (overridden per theme below) */
  --header-bg:#111111;
  --header-text:#ffffff;
  --header-line:rgba(255,255,255,.15);
  /* footer stays dark in both modes for a consistent identity */
  --footer-bg:#111111;
  --footer-text:#cccccc;
}
html[data-theme="light"]{
  --bg:#ffffff;
  --surface:#f6f6f8;
  --text:#1d1d1d;
  --muted:#6b7280;
  --border:#e5e7eb;
  --header-bg:#ffffff;
  --header-text:#1d1d1d;
  --header-line:rgba(0,0,0,.12);
}
html[data-theme="dark"]{
  --bg:#0e0e10;
  --surface:#17171b;
  --text:#ececec;
  --muted:#9aa0a6;
  --border:#2a2a30;
  --header-bg:#15151a;
  --header-text:#f0f0f0;
  --header-line:rgba(255,255,255,.18);
}
html,body{height:100%}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  position:relative;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.center{text-align:center}
.muted{color:var(--muted)}
.site-bg-video{position:fixed;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;opacity:.25}

/* ====== Buttons ====== */
.btn{display:inline-block;padding:12px 26px;border-radius:var(--radius);font-weight:600;
  cursor:pointer;border:2px solid transparent;transition:.2s;text-align:center;font-size:.95rem}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{filter:brightness(1.1);transform:translateY(-2px)}
.btn-outline{border-color:var(--c-primary);color:var(--c-primary);background:transparent}
.btn-outline:hover{background:var(--c-primary);color:#fff}
.btn-lg{padding:16px 40px;font-size:1.1rem}
.btn-sm{padding:8px 18px;font-size:.85rem}

/* ====== Header ====== */
.site-header{
  position:sticky;top:0;z-index:100;
  background:var(--header-bg,#111);color:var(--header-text,#fff);
  border-bottom:1px solid var(--header-line);
  box-shadow:0 2px 12px rgba(0,0,0,.18)
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo img{max-height:46px;width:auto}
.logo-text{font-size:1.4rem;font-weight:800;letter-spacing:1px;color:var(--header-text)}
.main-nav{display:flex;align-items:center;gap:30px}
.main-nav ul{display:flex;gap:26px;list-style:none}
.main-nav a{color:var(--header-text);font-weight:500;position:relative;opacity:.9}
.main-nav a:hover,.main-nav a.active{opacity:1;color:var(--c-accent)}
.main-nav a.active::after{content:"";position:absolute;left:0;bottom:-6px;width:100%;height:2px;background:var(--c-accent)}
.header-actions{display:flex;align-items:center;gap:16px}
.lang-switch{display:flex;gap:6px;font-size:.85rem;font-weight:600;opacity:.85}
.lang-switch a.active{color:var(--c-accent)}
.theme-toggle{background:transparent;border:1px solid var(--header-line);color:var(--header-text);
  width:38px;height:38px;border-radius:50%;cursor:pointer;font-size:1rem;display:grid;place-items:center}
.theme-toggle .icon-moon{display:none}
html[data-theme="dark"] .theme-toggle .icon-sun{display:none}
html[data-theme="dark"] .theme-toggle .icon-moon{display:inline}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.nav-toggle span{width:26px;height:3px;background:var(--header-text);border-radius:3px;transition:.3s}

/* ====== Hero ====== */
.hero{position:relative;min-height:60vh;display:flex;align-items:center;
  justify-content:center;text-align:center;color:#fff;overflow:hidden}
.hero--full{min-height:calc(100vh - 72px)}
.hero--tall{min-height:75vh}
.hero--medium{min-height:60vh}
.hero--short{min-height:45vh}
.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(rgba(0,0,0,.45),rgba(0,0,0,.65));z-index:1}
.hero-content{position:relative;z-index:2;max-width:760px}
.hero-content h1{font-size:clamp(2.2rem,6vw,4.2rem);font-weight:800;line-height:1.1;
  text-shadow:0 3px 18px rgba(0,0,0,.5)}
.hero-sub{font-size:clamp(1rem,2.4vw,1.35rem);margin:18px 0 30px;opacity:.95}
.scroll-hint{position:absolute;bottom:24px;left:50%;transform:translateX(-50%);z-index:2;
  color:#fff;font-size:2rem;animation:bounce 1.8s infinite}
@keyframes bounce{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,10px)}}

/* ====== Sections ====== */
.section{padding:70px 0}
.section-title{text-align:center;font-size:clamp(1.6rem,4vw,2.4rem);font-weight:800;margin-bottom:40px;position:relative}
.section-title::after{content:"";display:block;width:60px;height:4px;background:var(--c-primary);margin:14px auto 0;border-radius:3px}
.section-title.left{text-align:left}
.section-title.left::after{margin:14px 0 0}

/* ====== Gallery ====== */
.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px}
.gallery-item{position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:1/1;
  cursor:pointer;background:var(--surface)}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:.4s}
.gallery-item:hover img{transform:scale(1.08)}
.gallery-caption{position:absolute;left:0;right:0;bottom:0;padding:18px 12px 10px;color:#fff;
  font-size:.9rem;font-weight:600;background:linear-gradient(transparent,rgba(0,0,0,.8));
  opacity:0;transition:.3s}
.gallery-item:hover .gallery-caption{opacity:1}
.featured-work{background:var(--surface)}
.featured-work .center{margin-top:36px}

/* ====== Home split rows (Team|Awards , Map|Reviews) ====== */
.home-split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.home-split--single{grid-template-columns:1fr;max-width:760px;margin:0 auto}
.home-col{min-width:0}
.team-grid.team-grid--compact{grid-template-columns:repeat(2,1fr);gap:18px}
.team-grid--compact .team-card{padding:18px}
.team-grid--compact .team-photo{width:96px;height:96px;margin-bottom:12px}
.team-grid--center{max-width:680px;margin:0 auto}
.gallery-grid--compact{grid-template-columns:repeat(2,1fr)}

/* Awards */
.awards-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.awards-grid--single{grid-template-columns:1fr}
.award-item{position:relative;display:block;border-radius:var(--radius);overflow:hidden;
  background:var(--surface);border:1px solid var(--border);cursor:pointer}
.award-item img{width:100%;height:100%;max-height:230px;object-fit:cover;display:block;transition:.4s}
.award-item:hover img{transform:scale(1.05)}
.award-label{position:absolute;left:0;right:0;bottom:0;padding:14px 10px 8px;color:#fff;font-size:.82rem;
  font-weight:600;background:linear-gradient(transparent,rgba(0,0,0,.85))}
.award-detail{font-weight:400;font-size:.74rem;opacity:.9}

/* License (shown above awards) */
.license-strip{display:grid;grid-template-columns:1fr;gap:14px;margin-bottom:22px}
.license-strip--grid{grid-template-columns:1fr 1fr}
.license-item{position:relative;display:block;border-radius:var(--radius);overflow:hidden;
  border:2px solid var(--c-primary);background:var(--surface);cursor:pointer}
.license-item img{width:100%;max-height:280px;object-fit:cover;display:block}
.license-badge{position:absolute;top:10px;left:10px;z-index:2;background:var(--c-primary);color:#fff;
  font-size:.72rem;font-weight:700;padding:4px 10px;border-radius:20px}
.license-cap{display:block;padding:12px 14px;font-size:.85rem;line-height:1.5;color:var(--text)}
.license-cap strong{color:var(--c-primary)}

/* Reviews */
.reviews-list{display:flex;flex-direction:column;gap:16px}
.review-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow)}
.review-stars{color:#f1a208;font-size:1.05rem;letter-spacing:2px;margin-bottom:8px}
.review-stars .off{color:var(--border)}
.review-text{font-size:.96rem;line-height:1.6;margin-bottom:10px}
.review-name{font-weight:700;color:var(--c-primary);font-size:.9rem}
.reviews-embed{border-radius:var(--radius);overflow:hidden;min-height:380px}
.reviews-embed iframe{width:100%;border:0;min-height:380px}

/* Map box */
.map-box{border-radius:var(--radius);overflow:hidden;min-height:340px;border:1px solid var(--border)}
.map-box iframe{display:block;width:100%;min-height:340px}
.section-map-reviews{background:var(--surface)}

/* Rich (TinyMCE) content on home */
.extra-content-section{padding:60px 0}
.rich-content{max-width:820px;margin:0 auto;font-size:1.04rem;line-height:1.8;text-align:center}
.rich-content ul,.rich-content ol{display:inline-block;text-align:left;margin:0 0 1em 1.4em}
.rich-content h1,.rich-content h2,.rich-content h3{margin:.6em 0 .4em;line-height:1.25}
.rich-content p{margin:0 0 1em}
.rich-content img{border-radius:var(--radius);margin:14px auto;max-width:100%;height:auto}
.rich-content a{color:var(--c-primary);text-decoration:underline}
.rich-content ul,.rich-content ol{margin:0 0 1em 1.4em}
.rich-content table{border-collapse:collapse;width:100%;margin:1em 0}
.rich-content table td,.rich-content table th{border:1px solid var(--border);padding:8px 10px}
.rich-content blockquote{border-left:4px solid var(--c-primary);margin:1em 0;padding:6px 16px;color:var(--muted)}

/* FAQ accordion */
.container-narrow{max-width:760px}
.faq-section .section-title{margin-bottom:30px}
.faq-list{display:flex;flex-direction:column;gap:14px;text-align:left}
.faq-item{border:1px solid var(--border);border-radius:14px;overflow:hidden;background:var(--bg);
  transition:box-shadow .3s,border-color .3s}
.faq-item.open{border-color:var(--c-primary);box-shadow:0 10px 30px rgba(0,0,0,.10)}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:14px;
  padding:20px 22px;background:none;border:0;cursor:pointer;font-size:1.05rem;font-weight:700;
  color:var(--text);text-align:left;font-family:inherit;transition:color .2s}
.faq-q:hover{color:var(--c-primary)}
.faq-ic{flex:none;width:30px;height:30px;border-radius:50%;background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:1.25rem;line-height:1;transition:transform .35s}
.faq-item.open .faq-ic{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a-inner{padding:0 22px 20px;color:var(--muted);line-height:1.75;font-size:.98rem;
  border-top:1px solid var(--border);margin-top:2px;padding-top:16px}

@media(max-width:640px){
  /* mobile: stack outer columns in normal order */
  .home-split{grid-template-columns:1fr;gap:48px}
}

/* ====== Team ====== */
.team-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:26px}
.team-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;text-align:center;transition:.3s}
.team-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.team-photo{width:140px;height:140px;margin:0 auto 18px;border-radius:50%;overflow:hidden;
  border:3px solid var(--c-primary)}
.team-photo img{width:100%;height:100%;object-fit:cover}
.team-card h3{font-size:1.2rem}
.team-role{color:var(--c-primary);font-weight:600;margin-bottom:10px}
.team-bio{font-size:.9rem;color:var(--muted)}

/* ====== About ====== */
.about-wrap{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.about-img img{border-radius:var(--radius);box-shadow:var(--shadow)}
.rich{white-space:pre-line}

/* ====== Contact ====== */
.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.contact-form{margin-top:24px}
.field{margin-bottom:16px}
.field label{display:block;font-weight:600;margin-bottom:6px;font-size:.9rem}
.field input,.field textarea{width:100%;padding:12px 14px;border:1px solid var(--border);
  border-radius:var(--radius);background:var(--bg);color:var(--text);font-family:inherit;font-size:1rem}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--c-primary)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.hp{position:absolute;left:-9999px;opacity:0;height:0;width:0}
.contact-map{border-radius:var(--radius);overflow:hidden;min-height:380px}
.contact-map iframe{width:100%;height:100%;min-height:380px}
.alert{padding:12px 16px;border-radius:var(--radius);margin-bottom:16px;font-size:.9rem}
.alert-success{background:#dcfce7;color:#166534;border:1px solid #86efac}
.alert-error{background:#fee2e2;color:#991b1b;border:1px solid #fca5a5}

/* ====== Footer ====== */
.site-footer{background:var(--footer-bg);color:var(--footer-text);margin-top:auto;position:relative}
.footer-inner{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;padding:50px 20px 30px}
.footer-col h4{color:#fff;margin-bottom:14px;font-size:1.05rem}
.footer-col p{margin-bottom:8px;font-size:.92rem}
.footer-col a:hover{color:var(--c-accent)}
.social-links{display:flex;flex-direction:column;gap:8px}
.footer-credit{border-top:1px solid rgba(255,255,255,.12);padding:18px 0;text-align:center;font-size:.85rem}

/* ====== Lightbox ====== */
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.92);z-index:9999;display:none;
  align-items:center;justify-content:center}
.lightbox.open{display:flex}
.lightbox img{max-width:90vw;max-height:85vh;border-radius:6px;object-fit:contain}
.lightbox-close,.lightbox-prev,.lightbox-next{position:absolute;background:rgba(255,255,255,.12);
  color:#fff;border:none;cursor:pointer;font-size:2rem;width:54px;height:54px;border-radius:50%;
  display:grid;place-items:center;transition:.2s}
.lightbox-close:hover,.lightbox-prev:hover,.lightbox-next:hover{background:var(--c-primary)}
.lightbox-close{top:24px;right:24px;font-size:2.4rem}
.lightbox-prev{left:24px;top:50%;transform:translateY(-50%)}
.lightbox-next{right:24px;top:50%;transform:translateY(-50%)}

/* ====== Responsive ====== */
@media(max-width:900px){
  .about-wrap,.contact-wrap{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr;text-align:center}
  .social-links{align-items:center}
  .nav-toggle{display:flex}
  .main-nav{position:fixed;top:72px;right:0;width:min(80vw,320px);height:calc(100vh - 72px);
    background:var(--header-bg);flex-direction:column;align-items:flex-start;
    padding:30px 26px;gap:20px;transform:translateX(100%);transition:.3s;box-shadow:-6px 0 24px rgba(0,0,0,.3)}
  .main-nav.open{transform:translateX(0)}
  .main-nav ul{flex-direction:column;gap:18px;width:100%}
  .header-actions{margin-top:10px}
}
@media(max-width:560px){
  .field-row{grid-template-columns:1fr}
  .gallery-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
  .section{padding:50px 0}
  .team-grid.team-grid--compact{gap:12px}
  .team-grid--compact .team-card{padding:12px}
  .team-grid--compact .team-photo{width:78px;height:78px}
  .team-grid--compact h3{font-size:1rem}
}
@media(min-width:1400px){:root{--maxw:1320px}}