/* =====================================================================
   PreFab — Design System v1 (HTML-first prototype)
   Brand CI: red #e10d16 · dark gray #2c2c2c · white · black
   Type: Unbounded (display; stand-in for licensed "Bounded") + Noto Sans / Noto Sans Thai
   NOTE: structured for WordPress conversion — see WORDPRESS-NOTES.md
   ===================================================================== */

/* Bounded — licensed OFL display font (EN). Self-hosted variable. */
@font-face{
  font-family:'Bounded';
  src:url('../fonts/Bounded-Variable.ttf') format('truetype-variations'),
      url('../fonts/Bounded-Regular.ttf') format('truetype');
  font-weight:100 900;font-style:normal;font-display:swap;
}

:root{
  /* Brand */
  --red:#e10d16;
  --red-dark:#b50a11;
  --ink:#2c2c2c;          /* premium dark gray (primary text) */
  --black:#000000;
  --white:#ffffff;

  /* Neutrals */
  --paper:#ffffff;
  --paper-2:#f6f5f3;      /* warm off-white section bg */
  --paper-3:#efece7;      /* warmer panel */
  --line:#e7e4df;
  --muted:#6c6a67;
  --warm-accent:#c9663a;  /* MCM terracotta, from product palette (sparingly) */

  /* Type */
  --font-display:'Bounded', 'Noto Sans Thai', sans-serif;
  --font-body:'Noto Sans', 'Noto Sans Thai', system-ui, sans-serif;
  --font-thai:'Noto Sans Thai', 'Noto Sans', sans-serif;

  /* Scale */
  --container:1240px;
  --gutter:clamp(20px, 4vw, 56px);
  --radius:14px;
  --radius-lg:22px;
  --shadow-sm:0 2px 10px rgba(20,18,16,.06);
  --shadow:0 18px 50px rgba(20,18,16,.12);
  --shadow-lg:0 30px 80px rgba(20,18,16,.18);
  --header-h:90px;
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  font-size:17px;
  overflow-x:hidden;
}
:lang(th) body, [lang="th"]{font-family:var(--font-thai)}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
:focus-visible{outline:3px solid var(--red);outline-offset:2px}

/* ---------- Typography ---------- */
h1,h2,h3,h4{font-family:var(--font-display);line-height:1.14;font-weight:700;color:var(--ink);letter-spacing:-.01em}
.display{font-size:clamp(2.4rem,5.2vw,4.4rem);line-height:1.08;font-weight:800;letter-spacing:-.02em}
h2{font-size:clamp(1.8rem,3.3vw,2.7rem)}
h3{font-size:clamp(1.25rem,2vw,1.6rem)}
.lead{font-size:clamp(1.05rem,1.5vw,1.28rem);line-height:1.7;color:#4a4845;font-family:var(--font-body);margin-top:18px}
.eyebrow{display:inline-block;font-family:var(--font-display);font-weight:700;font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;color:var(--red);margin-bottom:16px}
.muted{color:var(--muted)}
strong{font-weight:700}
/* Thai script needs looser leading and no negative tracking (stacked vowels/tone marks) */
:lang(th) h1,:lang(th) h2,:lang(th) h3,:lang(th) h4{line-height:1.4;letter-spacing:0}
:lang(th) .display{line-height:1.28;letter-spacing:0}
:lang(th) .lead{line-height:1.85}
/* keep card/step body text tight regardless of language */
.pillar h3,.model-card h3,.step h3,.post-card h3,.feat-list b{line-height:1.25}

/* ---------- Layout ---------- */
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(56px,8vw,120px)}
.section--tight{padding-block:clamp(40px,5vw,72px)}
.bg-soft{background:var(--paper-2)}
.bg-ink{background:var(--ink);color:#f3f1ee}
.bg-ink h1,.bg-ink h2,.bg-ink h3{color:#fff}
.center{text-align:center}
.stack>*+*{margin-top:1rem}
.section-head{max-width:720px;margin-bottom:clamp(28px,4vw,56px)}
.section-head.center{margin-inline:auto}
.grid{display:grid;gap:clamp(18px,2.5vw,32px)}
.cols-2{grid-template-columns:repeat(2,1fr)}
.cols-3{grid-template-columns:repeat(3,1fr)}
.cols-4{grid-template-columns:repeat(4,1fr)}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.55em;padding:.85em 1.5em;border-radius:999px;font-family:var(--font-display);font-weight:700;font-size:.95rem;line-height:1;transition:.18s ease;white-space:nowrap}
.btn-primary{background:var(--red);color:#fff;box-shadow:0 8px 24px rgba(225,13,22,.28)}
.btn-primary:hover{background:var(--red-dark);transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#000;transform:translateY(-2px)}
.btn-ghost{border:1.5px solid currentColor;color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-line{background:#06c755;color:#fff}
.btn-line:hover{background:#05b14c;transform:translateY(-2px)}
.btn-lg{padding:1.05em 1.9em;font-size:1.02rem}
.btn-block{width:100%;justify-content:center}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:36px;height:var(--header-h)}
.brand{display:flex;align-items:center;flex:0 0 auto}
.brand img.logo{height:56px;width:auto;display:block}
.nav-links{display:flex;align-items:center;gap:16px;flex:1;justify-content:space-between;margin:0}
.nav-links a{font-size:.96rem;font-weight:600;color:#3a3835;position:relative;padding:8px 0;white-space:nowrap}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--red)}
.nav-links a[aria-current="page"]::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;background:var(--red)}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.lang-switch{display:flex;align-items:center;gap:2px;font-family:var(--font-display);font-weight:700;font-size:.82rem;border:1px solid var(--line);border-radius:999px;padding:4px}
.lang-switch a{padding:5px 11px;border-radius:999px;color:var(--muted)}
.lang-switch a.active{background:var(--ink);color:#fff}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);align-items:center;justify-content:center}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{content:"";display:block;width:20px;height:2px;background:var(--ink);position:relative;transition:.2s}
.nav-toggle span::before{position:absolute;top:-6px}.nav-toggle span::after{position:absolute;top:6px}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:min(88vh,820px);display:flex;align-items:flex-end;color:#fff;overflow:hidden}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,12,10,.15) 0%,rgba(15,12,10,.05) 40%,rgba(15,12,10,.78) 100%)}
.hero .container{position:relative;z-index:2;padding-bottom:clamp(40px,6vw,80px)}
.hero .eyebrow{color:#ffd2d2}
.hero h1{color:#fff;max-width:16ch;text-shadow:0 2px 30px rgba(0,0,0,.35)}
.hero .lead{color:#f1eeea;max-width:46ch;margin-top:18px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.hero-meta{display:flex;gap:30px;flex-wrap:wrap;margin-top:38px;padding-top:24px;border-top:1px solid rgba(255,255,255,.22)}
.hero-meta div b{font-family:var(--font-display);font-size:1.7rem;display:block;line-height:1}
.hero-meta div span{font-size:.85rem;color:#e8e4df}

/* ---------- Pillars ---------- */
.pillar{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow-sm);transition:.2s}
.pillar:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.pillar .ic{width:52px;height:52px;border-radius:14px;background:rgba(225,13,22,.08);color:var(--red);display:grid;place-items:center;font-size:1.5rem;margin-bottom:18px}
.pillar h3{font-size:1.25rem;margin-bottom:8px}
.pillar p{color:var(--muted);font-size:.97rem}

/* ---------- Model cards ---------- */
.model-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);transition:.22s;display:flex;flex-direction:column}
.model-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-6px)}
.model-card .ph{aspect-ratio:4/3;overflow:hidden;position:relative}
.model-card .ph img{width:100%;height:100%;object-fit:cover;transition:.4s}
.model-card:hover .ph img{transform:scale(1.05)}
.model-card .tag{position:absolute;top:14px;left:14px;background:rgba(44,44,44,.85);color:#fff;font-family:var(--font-display);font-weight:700;font-size:.72rem;letter-spacing:.04em;padding:6px 12px;border-radius:999px;backdrop-filter:blur(4px)}
.model-card .body{padding:24px;display:flex;flex-direction:column;gap:14px;flex:1}
.model-card h3{font-size:1.4rem}
.spec-row{display:flex;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:.9rem;font-weight:600}
.spec-row span{display:inline-flex;align-items:center;gap:6px}
.price{font-family:var(--font-display);font-weight:800;font-size:1.5rem;color:var(--ink)}
.price small{display:block;font-family:var(--font-body);font-weight:600;font-size:.78rem;color:var(--muted);letter-spacing:.02em}
.model-card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px}

/* ---------- Process steps ---------- */
.steps{counter-reset:step;display:grid;gap:clamp(18px,2.5vw,28px)}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px 26px;box-shadow:var(--shadow-sm)}
.step::before{counter-increment:step;content:"0" counter(step);font-family:var(--font-display);font-weight:800;font-size:2.4rem;color:var(--red);opacity:.9;line-height:1;display:block;margin-bottom:14px}
.step h3{font-size:1.15rem;margin-bottom:8px}
.step p{color:var(--muted);font-size:.95rem}

/* ---------- Split / feature ---------- */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(28px,5vw,72px);align-items:center}
.split.reverse .split-media{order:2}
.split-media img{border-radius:var(--radius-lg);box-shadow:var(--shadow);width:100%;aspect-ratio:4/3;object-fit:cover}
.feat-list{display:grid;gap:16px;margin-top:24px}
.feat-list li{display:flex;gap:14px;align-items:flex-start}
.feat-list .ck{flex:0 0 26px;width:26px;height:26px;border-radius:50%;background:var(--red);color:#fff;display:grid;place-items:center;font-size:.8rem;margin-top:2px}
.feat-list b{display:block;font-family:var(--font-display)}
.feat-list span{color:var(--muted);font-size:.95rem}

/* ---------- Gallery ---------- */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:200px;gap:14px}
.gallery a{overflow:hidden;border-radius:14px;position:relative}
.gallery img{width:100%;height:100%;object-fit:cover;transition:.4s}
.gallery a:hover img{transform:scale(1.06)}
.gallery .wide{grid-column:span 2}
.gallery .tall{grid-row:span 2}

/* ---------- Stats / trust band ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stats b{font-family:var(--font-display);font-weight:800;font-size:clamp(2rem,4vw,3.2rem);color:var(--red);display:block;line-height:1}
.stats span{color:var(--muted);font-size:.95rem}
.logos{display:flex;flex-wrap:wrap;gap:34px;align-items:center;justify-content:center;opacity:.65;filter:grayscale(1)}
.logos span{font-family:var(--font-display);font-weight:700;color:var(--ink);font-size:1.1rem}

/* ---------- Blog cards ---------- */
.post-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;transition:.2s;box-shadow:var(--shadow-sm);display:flex;flex-direction:column}
.post-card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.post-card .ph{aspect-ratio:16/10;overflow:hidden}
.post-card .ph img{width:100%;height:100%;object-fit:cover}
.post-card .body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.cat{font-family:var(--font-display);font-weight:700;font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--red)}
.post-card h3{font-size:1.18rem;line-height:1.2}
.post-meta{margin-top:auto;color:var(--muted);font-size:.82rem}

/* ---------- Pricing table ---------- */
.ptable{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm)}
.ptable th,.ptable td{padding:18px 20px;text-align:left;border-bottom:1px solid var(--line)}
.ptable thead th{background:var(--ink);color:#fff;font-family:var(--font-display);font-size:.95rem}
.ptable tbody tr:hover{background:var(--paper-2)}
.ptable .price{font-size:1.15rem}

/* ---------- Forms ---------- */
.form{display:grid;gap:16px}
.field{display:grid;gap:6px}
.field label{font-weight:600;font-size:.9rem}
.field input,.field select,.field textarea{padding:13px 15px;border:1.5px solid var(--line);border-radius:12px;font:inherit;background:#fff;transition:.15s}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--red);outline:none}
.card-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:clamp(24px,4vw,40px);box-shadow:var(--shadow-sm)}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(120deg,var(--ink) 0%,#1c1c1c 60%,var(--red) 220%);color:#fff;border-radius:var(--radius-lg);padding:clamp(36px,6vw,72px);text-align:center}
.cta-band h2{color:#fff;max-width:20ch;margin-inline:auto}
.cta-band p{color:#d9d6d2;max-width:48ch;margin:14px auto 0}
.cta-band .hero-cta{justify-content:center;margin-top:28px}

/* ---------- Breadcrumb / page hero ---------- */
.page-hero{background:var(--paper-2);border-bottom:1px solid var(--line);padding-block:clamp(40px,6vw,72px)}
.crumbs{font-size:.85rem;color:var(--muted);margin-bottom:14px}
.crumbs a:hover{color:var(--red)}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#cfccc8;padding-block:64px 28px;font-size:.92rem}
.site-footer h4{color:#fff;font-size:.95rem;margin-bottom:16px;letter-spacing:.02em}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:36px}
.site-footer a:hover{color:#fff}
.site-footer .brand{display:inline-flex;background:#fff;padding:10px 16px;border-radius:12px;margin-bottom:16px}
.site-footer .brand img.logo{height:48px}
.footer-links{display:grid;gap:9px}
.foot-bottom{margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:#9a9692;font-size:.82rem}

/* ---------- Sticky mobile action bar ---------- */
.mobile-bar{position:fixed;bottom:0;left:0;right:0;z-index:70;display:none;gap:10px;padding:10px;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-top:1px solid var(--line)}
.mobile-bar .btn{flex:1;justify-content:center}

/* ---------- Mobile nav drawer ---------- */
.nav-drawer{position:fixed;inset:var(--header-h) 0 0 0;background:#fff;z-index:55;transform:translateX(100%);transition:.25s;padding:24px var(--gutter);display:flex;flex-direction:column;gap:6px;overflow-y:auto}
.nav-drawer.open{transform:translateX(0)}
.nav-drawer a{padding:14px 0;border-bottom:1px solid var(--line);font-family:var(--font-display);font-weight:600;font-size:1.1rem}

/* ---------- Reveal animation ---------- */
[data-reveal]{opacity:0;transform:translateY(24px);transition:.7s cubic-bezier(.2,.7,.2,1)}
[data-reveal].in{opacity:1;transform:none}

/* ---------- Helpers ---------- */
.notice{background:rgba(225,13,22,.06);border:1px dashed rgba(225,13,22,.4);color:var(--red-dark);padding:10px 14px;border-radius:10px;font-size:.85rem}
.pill{display:inline-block;background:var(--paper-3);border-radius:999px;padding:6px 14px;font-size:.85rem;font-weight:600}
.divider{height:1px;background:var(--line);border:0;margin-block:0}

/* ---------- Responsive ---------- */
@media(max-width:960px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .cols-4{grid-template-columns:repeat(2,1fr)}
  .gallery{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:820px){
  .nav-links,.nav-actions .desktop-only{display:none}
  .nav-toggle{display:flex}
  .split,.split.reverse{grid-template-columns:1fr}
  .split.reverse .split-media{order:0}
  .cols-3,.cols-2,.stats{grid-template-columns:1fr}
  .cols-3.keep-2,.stats{grid-template-columns:repeat(2,1fr)}
  .mobile-bar{display:flex}
  body{padding-bottom:70px}
  .hero{min-height:78vh}
}
@media(max-width:560px){
  .gallery{grid-template-columns:1fr;grid-auto-rows:220px}
  .gallery .wide{grid-column:span 1}
  .footer-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
}