/* ============================================================
   Meruto Sushi — shared design system
   Palette from logo/character sheet · understated luxury
   ============================================================ */
:root{
  --ink:#141412; --ink-soft:#33302b; --cream:#FAF8F4; --cream-2:#F3EFE8;
  --wood:#B08D57; --wood-dark:#8A6B3E; --beige:#E8E2D6; --beige-2:#ECE6DB;
  --stone:#6B6B66; --muted:#9A9184; --red:#C8102E; --red-dark:#A50D26;
  --serif-th:'Trirong',serif; --serif-en:'Cormorant Garamond',serif;
  --sans-th:'Noto Sans Thai',sans-serif; --sans-en:'Inter',sans-serif;
  --maxw:1180px; --pad:32px; --radius:6px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--cream);color:var(--ink);font-family:var(--sans-th),var(--sans-en);
  line-height:1.8;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--serif-th),var(--serif-en);font-weight:400;line-height:1.24;color:var(--ink)}
body.lang-en h1,body.lang-en h2,body.lang-en h3,body.lang-en h4{font-family:var(--serif-en),var(--serif-th)}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad)}
.eyebrow{font-family:var(--sans-en);font-size:12px;letter-spacing:.28em;text-transform:uppercase;color:var(--wood-dark)}
.rule{width:54px;height:2px;background:var(--wood);margin:14px 0}
.center{text-align:center}
.center .rule{margin:14px auto}
section{position:relative}

/* ---------- language visibility ---------- */
.en{display:none}
body.lang-en .th{display:none}
body.lang-en .en{display:inline}
.block.en,body.lang-en .block.en{display:none}
body.lang-en .block.en{display:block}
body.lang-en .block.th{display:none}

/* ---------- header ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;align-items:center;
  justify-content:space-between;padding:18px var(--pad);transition:.35s}
.site-header .logo{height:38px;transition:.35s}
.site-header.transparent .logo{filter:invert(1) brightness(2)}
.site-header.scrolled{background:rgba(250,248,244,.94);backdrop-filter:blur(10px);
  box-shadow:0 1px 0 rgba(0,0,0,.06);padding:12px var(--pad)}
.site-header.scrolled .logo{filter:none}
.nav{display:flex;align-items:center;gap:28px}
.nav .links{display:flex;gap:26px}
.nav a{font-family:var(--sans-th);font-size:14px;letter-spacing:.01em;color:var(--ink);transition:.25s;opacity:.92}
.site-header.transparent:not(.scrolled) .nav a,
.site-header.transparent:not(.scrolled) .langtog{color:#fff}
.nav a:hover{color:var(--wood)}
.langtog{font-family:var(--sans-en);font-size:12px;letter-spacing:.12em;cursor:pointer;color:var(--ink);
  background:none;border:none;padding:6px 4px}
.langtog b{font-weight:500}.langtog span{opacity:.45}
.burger{display:none;background:none;border:none;cursor:pointer;flex-direction:column;gap:5px;padding:6px}
.burger span{width:24px;height:2px;background:currentColor;display:block;transition:.3s}
.site-header.transparent:not(.scrolled) .burger{color:#fff}

/* ---------- buttons ---------- */
.btn{display:inline-block;font-family:var(--sans-th);font-size:15px;letter-spacing:.02em;
  padding:14px 38px;border-radius:var(--radius);cursor:pointer;transition:.3s;border:1px solid transparent;text-align:center}
.btn-primary{background:var(--red);color:#fff}
.btn-primary:hover{background:var(--red-dark);transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:var(--cream)}
.btn-dark:hover{background:#000;transform:translateY(-2px)}
.btn-ghost{background:transparent;border-color:currentColor}
.btn-ghost:hover{background:rgba(0,0,0,.05)}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.6);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.12)}
.arrow{font-family:var(--sans-th);font-size:14px;color:var(--red);white-space:nowrap}
.arrow:hover{color:var(--red-dark)}

/* ---------- placeholder (image slots) ---------- */
.ph{position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden;
  background:var(--beige-2);color:var(--muted);border-radius:var(--radius)}
.ph::before{content:"ภาพประกอบ";position:absolute;top:14px;left:16px;font-family:var(--sans-en);
  font-size:10px;letter-spacing:.22em;text-transform:uppercase;color:#B9B0A1}
body.lang-en .ph::before{content:"photo"}
.ph::after{content:attr(data-label);font-family:var(--serif-th);font-size:16px;color:var(--muted);
  padding:0 22px;text-align:center;max-width:80%}
body.lang-en .ph::after{content:attr(data-label-en)}
.ph--hero{min-height:92vh}
.ph--wide{aspect-ratio:16/9}
.ph--portrait{aspect-ratio:4/5}
.ph--square{aspect-ratio:1/1}
.ph--tall{aspect-ratio:3/4}
.ph.dark{background:#26241f;color:#8f887c}
.ph.dark::after{color:#8f887c}
.ph[data-filled]{background-size:cover;background-position:center}
.ph[data-filled]::before,.ph[data-filled]::after{content:none!important}

/* ---------- hero ---------- */
.hero{position:relative;min-height:92vh;display:flex;align-items:flex-end;color:#fff;overflow:hidden}
.hero .ph{position:absolute;inset:0;border-radius:0}
.hero .scrim{position:absolute;inset:0;z-index:1;
  background:linear-gradient(to top,rgba(20,20,18,.72),rgba(20,20,18,.15) 45%,rgba(20,20,18,.3))}
.hero .wrap{position:relative;z-index:2;padding-bottom:9vh}
.hero .eyebrow{color:#e7cfa6}
.hero h1{color:#fff;font-size:clamp(38px,6vw,74px);font-weight:500;margin:.3em 0 .35em}
.hero p{max-width:540px;font-size:17px;color:rgba(255,255,255,.9);font-weight:300}
.hero .btns{margin-top:30px;display:flex;gap:14px;flex-wrap:wrap}

/* page hero (shorter, for inner pages) */
.pagehero{position:relative;min-height:56vh;display:flex;align-items:center;color:#fff;overflow:hidden}
.pagehero .ph{position:absolute;inset:0;border-radius:0}
.pagehero .scrim{position:absolute;inset:0;z-index:1;background:linear-gradient(to top,rgba(20,20,18,.6),rgba(20,20,18,.35))}
.pagehero .wrap{position:relative;z-index:2;padding-top:80px}
.pagehero .eyebrow{color:#e7cfa6}
.pagehero h1{color:#fff;font-size:clamp(34px,5vw,60px);font-weight:500;margin:.25em 0}
.pagehero p{max-width:560px;color:rgba(255,255,255,.9);font-weight:300}

/* ---------- generic section ---------- */
.section{padding:110px 0}
.section.alt{background:var(--cream-2)}
.section.dark{background:var(--ink);color:var(--cream)}
.section.dark h1,.section.dark h2,.section.dark h3{color:#fff}
.section-head{max-width:640px;margin:0 auto 60px;text-align:center}
.section-head h2{font-size:clamp(28px,3.6vw,44px);margin:.35em 0 .4em}
.section-head p{color:var(--stone);font-weight:300}
.lead{font-size:16.5px;color:var(--ink-soft);font-weight:300;margin-bottom:18px}

/* two-column feature */
.split{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.split.reverse .col-img{order:2}
.split h2{font-size:clamp(26px,3.4vw,42px);margin:.35em 0 .5em}
.split p{color:var(--ink-soft);font-weight:300;margin-bottom:16px}
.sig{font-family:var(--serif-en);font-style:italic;font-size:22px;color:var(--wood-dark);margin-top:22px}
.col-img .ph{height:100%;min-height:460px}

/* ---------- cards ---------- */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.card{background:var(--cream);border:1px solid var(--beige);border-radius:8px;overflow:hidden;
  display:flex;flex-direction:column;transition:.35s}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 42px -26px rgba(60,45,25,.42)}
.card .ph{border-radius:0}
.card .cimg{height:210px}
.card.feature{grid-column:1/-1;flex-direction:row}
.card.feature .cimg{width:46%;min-height:340px;height:auto}
.card .cbody{padding:30px 32px;flex:1;display:flex;flex-direction:column}
.card .tag{font-family:var(--sans-en);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--wood-dark);margin-bottom:12px}
.card h3{font-size:25px;margin-bottom:11px}
.card p{color:#514d46;font-size:15px;font-weight:300;flex:1}
.card .meta{margin-top:20px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.price{font-family:var(--serif-en);font-size:22px;color:var(--ink)}
.price small{font-family:var(--sans-th);font-size:13px;color:var(--stone)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}

/* dark B2B strip */
.b2b{grid-column:1/-1;background:var(--ink);color:var(--cream);border-radius:8px;padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.b2b h3{color:#fff;font-size:27px;margin-bottom:10px}
.b2b p{color:rgba(255,255,255,.72);font-weight:300;max-width:560px;font-size:15px}

/* ---------- forms ---------- */
.form-wrap{max-width:720px;margin:0 auto;background:var(--cream);border:1px solid var(--beige);
  border-radius:10px;padding:44px 46px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.field{margin-bottom:20px}
.field.full{grid-column:1/-1}
label{display:block;font-family:var(--sans-th);font-size:14px;color:var(--ink-soft);margin-bottom:7px;font-weight:500}
label .req{color:var(--red)}
input,select,textarea{width:100%;font-family:var(--sans-th);font-size:15px;color:var(--ink);
  background:#fff;border:1px solid var(--beige);border-radius:var(--radius);padding:12px 14px;transition:.2s}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--wood);box-shadow:0 0 0 3px rgba(176,141,87,.15)}
textarea{min-height:110px;resize:vertical}
.hint{font-size:12.5px;color:var(--stone);margin-top:6px}
.checklist{background:var(--cream-2);border:1px solid var(--beige);border-radius:var(--radius);padding:18px 20px}
.checklist .ci{display:flex;align-items:flex-start;gap:11px;margin-bottom:10px}
.checklist .ci:last-child{margin-bottom:0}
.checklist input{width:18px;height:18px;margin-top:3px;flex:none}
.checklist label{margin:0;font-weight:400;font-size:14px;color:var(--ink-soft)}
.radios{display:flex;gap:12px;flex-wrap:wrap}
.radios .r{flex:1;min-width:120px}
.radios .r input{display:none}
.radios .r label{border:1px solid var(--beige);border-radius:var(--radius);padding:12px;text-align:center;
  cursor:pointer;transition:.2s;background:#fff;font-weight:400}
.radios .r input:checked + label{border-color:var(--ink);background:var(--ink);color:var(--cream)}
.form-note{font-size:13px;color:var(--stone);margin-top:8px;line-height:1.7}
.form-success{display:none;text-align:center;padding:30px 10px}
.form-success.show{display:block}
.form-success .ic{width:56px;height:56px;border-radius:50%;background:var(--wood);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:26px;margin:0 auto 18px}
.form-success h3{font-size:26px;margin-bottom:10px}
.form-success p{color:var(--stone);font-weight:300}
.pay-note{display:flex;gap:14px;flex-wrap:wrap;margin-top:22px;padding-top:22px;border-top:1px solid var(--beige)}
.pay-note div{flex:1;min-width:200px;background:var(--cream-2);border-radius:var(--radius);padding:16px 18px}
.pay-note b{font-family:var(--sans-th);display:block;margin-bottom:4px;font-size:14px}
.pay-note span{font-size:13px;color:var(--stone);font-weight:300}

/* ---------- info list ---------- */
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1px;background:var(--beige);
  border:1px solid var(--beige);border-radius:8px;overflow:hidden;margin:30px 0}
.facts div{background:var(--cream);padding:24px}
.facts .k{font-family:var(--sans-en);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--wood-dark);margin-bottom:8px}
.facts .v{font-family:var(--serif-th);font-size:22px;color:var(--ink)}
body.lang-en .facts .v{font-family:var(--serif-en)}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:40px}
.steps .st{text-align:center}
.steps .n{width:44px;height:44px;border-radius:50%;border:1px solid var(--wood);color:var(--wood-dark);
  font-family:var(--serif-en);font-size:20px;display:flex;align-items:center;justify-content:center;margin:0 auto 16px}
.steps h4{font-size:18px;margin-bottom:6px}
.steps p{font-size:14px;color:var(--stone);font-weight:300}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:var(--cream);padding:90px 0 40px}
.site-footer .cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:44px;padding-bottom:56px;border-bottom:1px solid rgba(255,255,255,.12)}
.site-footer .logo{height:42px;margin-bottom:20px}
.site-footer p{color:rgba(255,255,255,.6);font-weight:300;font-size:15px}
.site-footer h4{font-family:var(--sans-th);font-weight:500;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:#e7cfa6;margin-bottom:16px}
.site-footer ul{list-style:none}
.site-footer li{margin-bottom:11px}
.site-footer a{color:rgba(255,255,255,.72);font-weight:300;font-size:15px}
.site-footer a:hover{color:#fff}
.copy{padding-top:26px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;color:rgba(255,255,255,.4);font-size:13px;font-family:var(--sans-en)}

/* floating CTA */
.floatcta{position:fixed;right:26px;bottom:26px;z-index:40;background:var(--red);color:#fff;
  padding:14px 26px;border-radius:40px;font-family:var(--sans-th);font-size:14px;
  box-shadow:0 12px 30px -10px rgba(200,16,46,.7);transition:.3s}
.floatcta:hover{transform:translateY(-3px)}

/* ---------- mobile nav ---------- */
.mobile-nav{position:fixed;inset:0;z-index:60;background:var(--cream);display:none;flex-direction:column;
  align-items:center;justify-content:center;gap:8px}
.mobile-nav.open{display:flex}
.mobile-nav a{font-family:var(--serif-th);font-size:28px;color:var(--ink);padding:10px}
.mobile-nav .close{position:absolute;top:22px;right:26px;background:none;border:none;font-size:32px;cursor:pointer}

/* ---------- responsive ---------- */
@media(max-width:880px){
  :root{--pad:22px}
  .nav .links{display:none}
  .burger{display:flex}
  .split,.cards,.grid-3,.steps,.site-footer .cols,.form-row{grid-template-columns:1fr}
  .split.reverse .col-img{order:0}
  .card.feature{flex-direction:column}
  .card.feature .cimg{width:100%;min-height:240px}
  .col-img .ph{min-height:320px}
  .b2b{padding:34px 28px}
  .section{padding:80px 0}
}