/* =========================================================
   THAILAND LEGENDS — site.css
   โทนสี: ดำควันเทียน / แดงชาด / ทองโคมไฟ / ครีมใบลาน
   ========================================================= */
:root{
  --ink:#141110;
  --ink-2:#1E1A18;
  --ink-3:#2A2421;
  --red:#C9483B;
  --red-d:#A2362B;
  --gold:#E2A64B;
  --cream:#F6E7C8;
  --paper:#FBF4E4;
  --text:#2B2320;
  --muted:#7A6A5E;
  --line:rgba(255,255,255,.12);
  --radius:14px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --f-head:"Prompt","Noto Sans SC",system-ui,sans-serif;
  --f-body:"Anuphan","Noto Sans SC",system-ui,sans-serif;
  --f-display:"Prompt","Noto Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--f-body);font-size:17px;line-height:1.8;font-weight:400;color:var(--text);background:var(--paper);-webkit-font-smoothing:antialiased}
body.lang-cn{line-height:1.9}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{font-family:var(--f-head);font-weight:600;line-height:1.2;letter-spacing:-.01em;margin:0}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}

/* ---------- Menu bar ---------- */
body{padding-top:62px}
.topbar{position:fixed;inset:0 0 auto 0;z-index:50;height:62px;display:flex;align-items:center;background:rgba(20,17,16,.96);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);transition:box-shadow .35s}
.topbar.is-solid,.topbar.is-open{box-shadow:0 6px 24px rgba(0,0,0,.3)}
.topbar__inner{display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:#fff}
.brand__mark{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--red);font-family:var(--f-display);font-weight:700;letter-spacing:0;font-size:14px}
.brand__text{font-family:var(--f-display);font-weight:600;letter-spacing:.14em;font-size:15px}
.brand__text b{color:var(--gold);font-weight:800;margin-left:6px}

.nav{margin-left:auto;display:flex;align-items:center;gap:4px}
.nav__link{font-family:var(--f-head);font-weight:500;font-size:14.5px;color:rgba(255,255,255,.85);text-decoration:none;padding:10px 14px;border-radius:999px;background:none;border:0;cursor:pointer;display:inline-flex;align-items:center;gap:6px;transition:color .2s,background .2s}
.nav__link:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav__link.is-active,.nav__drop.is-active>.nav__link{color:var(--gold)}
.chev{width:7px;height:7px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translateY(-2px);transition:transform .2s}
.nav__drop{position:relative}
.nav__menu{position:absolute;top:calc(100% + 8px);left:0;min-width:280px;background:var(--ink-2);border:1px solid var(--line);border-radius:var(--radius);padding:8px;opacity:0;visibility:hidden;transform:translateY(-6px);transition:all .25s var(--ease);box-shadow:0 18px 40px rgba(0,0,0,.35)}
.nav__menu::before{content:"";position:absolute;top:-10px;left:0;right:0;height:10px}
.nav__menu a{display:block;padding:11px 14px;border-radius:10px;color:#eee;text-decoration:none;font-family:var(--f-head);font-size:15px;border-left:3px solid transparent}
.nav__menu a:hover{background:rgba(255,255,255,.06);border-left-color:var(--gold);color:#fff}
.nav__drop:hover .nav__menu,.nav__drop.is-open .nav__menu{opacity:1;visibility:visible;transform:none}
.nav__drop:hover .chev,.nav__drop.is-open .chev{transform:rotate(225deg) translateY(-2px)}

.langs{display:flex;margin-left:10px;border:1px solid rgba(255,255,255,.25);border-radius:999px;padding:3px}
.langs a{font-family:var(--f-head);font-size:12.5px;font-weight:600;letter-spacing:.04em;color:rgba(255,255,255,.7);text-decoration:none;padding:5px 11px;border-radius:999px;transition:all .2s}
.langs a:hover{color:#fff}
.langs a.on{background:var(--gold);color:var(--ink)}

.burger{display:none;margin-left:auto;width:44px;height:44px;border:0;background:none;cursor:pointer;position:relative}
.burger span{position:absolute;left:11px;right:11px;height:2px;background:#fff;border-radius:2px;transition:all .3s var(--ease)}
.burger span:nth-child(1){top:15px}.burger span:nth-child(2){top:21px}.burger span:nth-child(3){top:27px}
.is-open .burger span:nth-child(1){top:21px;transform:rotate(45deg)}
.is-open .burger span:nth-child(2){opacity:0}
.is-open .burger span:nth-child(3){top:21px;transform:rotate(-45deg)}

/* ---------- (1) Hero ---------- */
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.hero{position:relative;background:radial-gradient(ellipse at 70% 30%,#5a3a22 0%,#1d1512 60%,#0e0b0a 100%);overflow:hidden;line-height:0}
.hero__img{width:100%;height:auto;max-height:calc(100vh - 62px);object-fit:cover;object-position:center;animation:heroIn 1.4s var(--ease) both}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:70px;background:linear-gradient(180deg,transparent,rgba(20,17,16,.55));pointer-events:none}
.hero__scroll{position:absolute;z-index:2;right:24px;bottom:24px;width:28px;height:46px;border:2px solid rgba(255,255,255,.7);border-radius:20px}
.hero__scroll span{position:absolute;left:50%;top:9px;width:4px;height:8px;margin-left:-2px;background:#fff;border-radius:4px;animation:scroll 1.8s infinite}
@keyframes heroIn{from{opacity:0;transform:scale(1.04)}to{opacity:1;transform:none}}
@keyframes scroll{0%{opacity:0;transform:translateY(0)}40%{opacity:1}100%{opacity:0;transform:translateY(14px)}}

/* ---------- (2) About ---------- */
.about{display:grid;grid-template-columns:minmax(220px,32%) 1fr;background:var(--ink)}
.about__label{background:var(--red);color:#fff;display:flex;align-items:center;justify-content:center;padding:60px 24px;position:relative;overflow:hidden}
.about__label::after{content:"";position:absolute;inset:18px;border:1px solid rgba(255,255,255,.3)}
.about__label span{font-family:var(--f-display);font-weight:800;font-size:clamp(30px,3.6vw,52px);letter-spacing:-.02em;line-height:1;position:relative;z-index:1}
.about__body{color:rgba(255,255,255,.82);padding:clamp(48px,7vw,96px) clamp(20px,5vw,80px)}
.about__inner{max-width:760px}
.sec-title{font-family:var(--f-display);font-weight:800;letter-spacing:-.025em;line-height:1.02;font-size:clamp(32px,4.2vw,54px);margin-bottom:24px}
.sec-title--red{color:var(--red)}
.about__body p{margin:0;font-weight:300;font-size:17.5px;line-height:1.9}
.about__quote{margin:30px 0 0;padding:20px 0 0 24px;border-left:3px solid var(--gold);font-family:var(--f-head);font-weight:500;font-size:clamp(19px,2.1vw,24px);line-height:1.55;letter-spacing:-.01em;color:#fff}

/* ---------- (3)(4) Project ---------- */
.project{display:grid;grid-template-columns:minmax(220px,32%) 1fr;background:var(--cream)}
.project__head{background:#fff;border:6px solid var(--ink);display:flex;align-items:center;padding:clamp(36px,5vw,64px) clamp(20px,3vw,40px)}
.project__title h2{font-family:var(--f-display);font-weight:800;letter-spacing:-.03em;font-size:clamp(34px,3.9vw,56px);line-height:.98;color:var(--ink)}
.project__title p{margin:18px 0 0;font-family:var(--f-head);font-weight:500;font-size:17px;line-height:1.5;color:var(--red-d)}
.project__text{display:flex;align-items:center;padding:clamp(40px,6vw,88px) clamp(20px,5vw,80px)}
.project__text p{margin:0;max-width:760px;font-size:clamp(17px,1.6vw,20px);line-height:1.85}
.project__text strong{color:var(--red-d);font-weight:600}
.project__text p{font-weight:400}

/* ---------- (5)(6) Cards ---------- */
.cards{background:linear-gradient(180deg,#cfc6bb,#bdb3a7);padding:clamp(28px,4vw,56px) 0}
.cards__grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(16px,2.5vw,32px)}
.card{position:relative;display:block;border-radius:var(--radius);overflow:hidden;text-decoration:none;background:var(--ink-3);aspect-ratio:16/9;box-shadow:0 14px 34px rgba(0,0,0,.25);transition:transform .4s var(--ease),box-shadow .4s}
.card img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 70%,rgba(14,11,10,.45));pointer-events:none}
.card__foot{position:absolute;left:0;right:0;bottom:0;z-index:1;display:flex;align-items:center;justify-content:center;gap:12px;padding:18px 22px}
.card__name{color:#fff;font-family:var(--f-head);font-size:clamp(15px,1.6vw,19px);font-weight:600;letter-spacing:-.01em}
.card:hover{transform:translateY(-6px);box-shadow:0 22px 48px rgba(0,0,0,.35)}
.card:hover img{transform:scale(1.06)}

.btn{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;font-family:var(--f-head);font-weight:600;font-size:15px;background:#4FB3A9;color:#fff;padding:10px 22px;border-radius:999px;box-shadow:0 6px 18px rgba(0,0,0,.3);transition:background .25s,gap .25s}
.card:hover .btn,.btn:hover{background:#3d9b92;gap:14px}
.arrow{width:14px;height:2px;background:currentColor;position:relative}
.arrow::after{content:"";position:absolute;right:0;top:-4px;width:8px;height:8px;border-top:2px solid currentColor;border-right:2px solid currentColor;transform:rotate(45deg)}
.btn--line{background:transparent;color:var(--ink);border:2px solid var(--ink);text-decoration:none}
.btn--line:hover{background:var(--ink);color:#fff}

/* ---------- Sub pages ---------- */
.pagehead{background:var(--ink) radial-gradient(ellipse at 85% 0%,rgba(226,166,75,.25),transparent 55%);color:#fff;padding:90px 0 70px}
.pagehead--alt{background:var(--red-d) radial-gradient(ellipse at 85% 0%,rgba(255,255,255,.18),transparent 55%)}
.pagehead h1{font-size:clamp(32px,5vw,56px);font-weight:700;letter-spacing:-.025em;max-width:900px}
.pagehead p{max-width:720px;font-size:18px;color:rgba(255,255,255,.8);margin:16px 0 0}
.crumb{display:inline-block;font-family:var(--f-head);font-weight:500;font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);margin-bottom:12px}
.pagehead--alt .crumb{color:var(--cream)}

.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px;padding-top:56px;padding-bottom:80px}
.tile{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:0 6px 20px rgba(43,35,32,.08);transition:transform .35s var(--ease),box-shadow .35s}
.tile:hover{transform:translateY(-5px);box-shadow:0 16px 36px rgba(43,35,32,.16)}
.tile__img{position:relative;aspect-ratio:4/3;background:linear-gradient(135deg,#3a2b22,#1b1512) center/cover no-repeat}
.tile__no{position:absolute;left:14px;bottom:10px;font-family:var(--f-display);font-weight:800;letter-spacing:-.04em;font-size:48px;line-height:1;color:var(--cream);text-shadow:0 4px 18px rgba(0,0,0,.5)}
.tile__body{padding:18px 20px 22px}
.tile__kicker{font-family:var(--f-head);font-weight:600;font-size:11.5px;letter-spacing:.14em;color:var(--red);text-transform:uppercase}
.tile__body h3{font-size:20px;margin:4px 0 6px}
.tile__body p{margin:0;color:var(--muted);font-size:15px}

.soon{text-align:center;padding-top:80px;padding-bottom:100px}
.soon__badge{display:inline-block;font-family:var(--f-display);font-weight:800;font-size:clamp(40px,6vw,72px);color:var(--red);letter-spacing:-.03em}
.soon p{color:var(--muted);margin:8px 0 28px}

/* ---------- (7) Footer ---------- */
.footer{background:var(--ink);color:rgba(255,255,255,.75);padding:64px 0 0;border-top:4px solid var(--red)}
.footer__grid{display:grid;grid-template-columns:1fr 1.4fr;gap:40px}
.footer__brand{font-family:var(--f-display);font-weight:600;font-size:22px;letter-spacing:.14em;color:#fff}
.footer__brand b{color:var(--gold);font-weight:800;margin-left:8px}
.footer__tag{margin:6px 0 0;font-size:15px}
.footer__contact h3{font-family:var(--f-display);font-weight:600;letter-spacing:.18em;color:var(--gold);font-size:13px;margin-bottom:12px}
.footer__contact p{margin:0 0 6px;font-size:15.5px}
.footer__company{font-family:var(--f-head);font-weight:600;font-size:18px!important;color:#fff}
.footer__contact .lbl{color:rgba(255,255,255,.5)}
.footer__contact a{color:var(--gold);text-decoration:none}
.footer__contact a:hover{text-decoration:underline}
.footer__bottom{margin-top:48px;padding:18px 20px;border-top:1px solid var(--line);font-size:13px;color:rgba(255,255,255,.45)}

/* ---------- Reveal animation ---------- */
.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .hero__img{animation:none}
  .js .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .burger{display:block}
  .nav{position:fixed;top:62px;left:0;right:0;bottom:0;flex-direction:column;align-items:stretch;gap:2px;padding:16px 20px 32px;background:rgba(20,17,16,.98);overflow-y:auto;transform:translateX(100%);transition:transform .35s var(--ease)}
  .is-open .nav{transform:none}
  .nav__link{width:100%;justify-content:space-between;font-size:17px;padding:14px 12px;border-radius:10px}
  .nav__menu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;background:transparent;padding:0 0 0 12px;display:none}
  .nav__drop.is-open .nav__menu{display:block}
  .nav__drop:hover .nav__menu{transform:none}
  .langs{margin:16px 0 0;align-self:flex-start}
  .langs a{font-size:15px;padding:8px 16px}
}
@media (max-width:760px){
  body{font-size:16px}
  .about,.project{grid-template-columns:1fr}
  .about__label{padding:36px 20px}
  .project__head{border-width:5px}
  .cards__grid{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr;gap:28px}
  .hero__scroll{display:none}
  .brand__text{font-size:17px}
}