/* ==========================================================================
   J.K.O. ALUMINUM GLASS — Design tokens
   Palette: espresso / bronze-brass / warm sand (industrial, metal & glass)
   Display: Chakra Petch (technical, engineered feel — supports Thai)
   Body:    Noto Sans Thai
   Signature: the "mullion cross" — a window-frame crossbar mark used as
   section dividers, image corner brackets and list markers throughout.
   ========================================================================== */

:root{
  --brown-950:#221609;
  --brown-900:#2b1c0e;
  --brown-800:#3e2a17;
  --brown-700:#5a3d20;
  --brown-600:#7a5432;
  --bronze:#b8823d;
  --bronze-light:#dcac6a;
  --bronze-dim:#8f6530;
  --sand:#ece1cb;
  --sand-2:#f7f1e3;
  --paper:#fbf7ee;
  --ink:#241a10;
  --ink-soft:#4a3c2c;
  --line:rgba(34,22,9,0.14);
  --line-onDark:rgba(247,241,227,0.18);
  --shadow:0 18px 40px -22px rgba(34,22,9,0.55);
  --radius:2px;
  --maxw:1180px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Noto Sans Thai","Noto Sans",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{
  font-family:"Chakra Petch","Noto Sans Thai",sans-serif;
  font-weight:600;
  letter-spacing:0.01em;
  margin:0 0 .5em;
  color:var(--brown-950);
}
p{margin:0 0 1em;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:"Chakra Petch",sans-serif;
  font-size:.78rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--bronze-dim);font-weight:600;margin-bottom:14px;
}
.eyebrow::before{
  content:"";width:22px;height:2px;background:var(--bronze);display:inline-block;
}
section{padding:88px 0;}
@media (max-width:720px){ section{padding:56px 0;} }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 26px;
  font-family:"Chakra Petch",sans-serif;
  font-weight:600;font-size:.95rem;letter-spacing:.03em;
  border:1.5px solid transparent;
  border-radius:var(--radius);
  cursor:pointer;transition:all .18s ease;
}
.btn-solid{background:var(--bronze);color:var(--brown-950);}
.btn-solid:hover{background:var(--bronze-light);}
.btn-line{border-color:var(--line-onDark);color:var(--paper);}
.btn-line:hover{border-color:var(--bronze-light);color:var(--bronze-light);}
.btn-dark{border-color:var(--brown-800);color:var(--brown-950);}
.btn-dark:hover{background:var(--brown-950);color:var(--paper);}

/* ---------- Header / Nav ---------- */
header.site{
  position:sticky;top:0;z-index:50;
  background:var(--brown-950);
  border-bottom:1px solid var(--line-onDark);
}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 28px;max-width:var(--maxw);margin:0 auto;
}
.brand{
  display:flex;align-items:center;gap:12px;color:var(--paper);
}
.brand .mark{
  width:34px;height:34px;position:relative;flex:none;
  border:2px solid var(--bronze);
}
.brand .mark::before,.brand .mark::after{
  content:"";position:absolute;background:var(--bronze);
}
.brand .mark::before{left:50%;top:2px;bottom:2px;width:2px;transform:translateX(-50%);}
.brand .mark::after{top:50%;left:2px;right:2px;height:2px;transform:translateY(-50%);}
.brand .name{font-family:"Chakra Petch",sans-serif;line-height:1.15;}
.brand .name b{display:block;font-size:1.02rem;letter-spacing:.03em;}
.brand .name span{display:block;font-size:.68rem;letter-spacing:.16em;color:var(--bronze-light);text-transform:uppercase;}
nav.links{display:flex;gap:6px;align-items:center;}
nav.links a{
  padding:10px 16px;font-family:"Chakra Petch",sans-serif;font-size:.92rem;
  color:var(--sand-2);letter-spacing:.02em;border-radius:var(--radius);
  transition:color .15s ease;
}
nav.links a:hover{color:var(--bronze-light);}
nav.links a.active{color:var(--bronze);}
.nav-cta{display:none;}
@media (min-width:860px){.nav-cta{display:inline-flex;}}
.burger{display:none;background:none;border:none;color:var(--paper);font-size:1.5rem;cursor:pointer;}
@media (max-width:859px){
  nav.links{display:none;}
  .burger{display:block;}
  nav.links.open{
    display:flex;flex-direction:column;align-items:flex-start;
    position:absolute;top:100%;left:0;right:0;background:var(--brown-950);
    padding:8px 28px 20px;border-bottom:1px solid var(--line-onDark);
  }
}

/* ---------- Hero ---------- */
.hero{
  position:relative;color:var(--paper);
  min-height:78vh;display:flex;align-items:flex-end;
  background:var(--brown-950);
  overflow:hidden;
}
.hero-media{position:absolute;inset:0;}
.hero-media img{width:100%;height:100%;object-fit:cover;opacity:.62;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(34,22,9,.35) 0%,rgba(34,22,9,.55) 45%,rgba(24,15,6,.94) 100%);
}
.hero-inner{position:relative;z-index:2;padding:80px 28px 64px;max-width:var(--maxw);margin:0 auto;width:100%;}
.hero h1{color:var(--paper);font-size:clamp(2.1rem,5vw,3.4rem);max-width:16ch;line-height:1.15;}
.hero .lede{max-width:52ch;color:var(--sand-2);font-size:1.08rem;}
.hero .actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px;}

.page-hero{
  position:relative;color:var(--paper);background:var(--brown-950);
  padding:150px 0 70px;overflow:hidden;
}
.page-hero .hero-media img{opacity:.4;}
.page-hero-inner{position:relative;z-index:2;}
.page-hero h1{color:var(--paper);font-size:clamp(1.9rem,4vw,2.7rem);}

/* ---------- Mullion cross (signature) ---------- */
.divider{
  display:flex;align-items:center;gap:16px;margin:64px 0;
}
.divider .bar{flex:1;height:1px;background:var(--line);}
.divider .cross{
  width:14px;height:14px;position:relative;flex:none;
}
.divider .cross::before,.divider .cross::after{content:"";position:absolute;background:var(--bronze);}
.divider .cross::before{left:50%;top:0;bottom:0;width:2px;transform:translateX(-50%);}
.divider .cross::after{top:50%;left:0;right:0;height:2px;transform:translateY(-50%);}

.framed{
  position:relative;padding:10px;
}
.framed .pic{position:relative;overflow:hidden;}
.framed .pic img{width:100%;height:100%;object-fit:cover;display:block;}
.framed::before,.framed::after,.framed .pic::before,.framed .pic::after{
  content:"";position:absolute;width:20px;height:20px;
  border-color:var(--bronze);border-style:solid;border-width:0;
}
.framed::before{top:0;left:0;border-top-width:2px;border-left-width:2px;}
.framed::after{top:0;right:0;border-top-width:2px;border-right-width:2px;}
.framed .pic::before{bottom:0;left:0;border-bottom-width:2px;border-left-width:2px;}
.framed .pic::after{bottom:0;right:0;border-bottom-width:2px;border-right-width:2px;}

ul.crossed{list-style:none;margin:0;padding:0;}
ul.crossed li{
  position:relative;padding-left:30px;margin-bottom:14px;
}
ul.crossed li::before{
  content:"";position:absolute;left:0;top:8px;width:12px;height:12px;
}
ul.crossed li::after{
  content:"";position:absolute;left:5px;top:2px;width:2px;height:14px;background:var(--bronze);
}
ul.crossed li b.h{
  display:block;font-family:"Chakra Petch",sans-serif;font-weight:600;color:var(--brown-950);
}

/* ---------- Sections / grids ---------- */
.band-sand{background:var(--sand);}
.band-dark{background:var(--brown-950);color:var(--sand-2);}
.band-dark h2,.band-dark h3{color:var(--paper);}
.band-dark .eyebrow{color:var(--bronze-light);}
.section-head{max-width:640px;margin-bottom:48px;}
.section-head h2{font-size:clamp(1.6rem,3vw,2.1rem);}
.section-head p{color:var(--ink-soft);}
.band-dark .section-head p{color:var(--sand-2);opacity:.85;}

.grid{display:grid;gap:28px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
@media (max-width:920px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}}
@media (max-width:620px){.grid-3,.grid-4,.grid-2{grid-template-columns:1fr;}}

.card{
  background:var(--paper);border:1px solid var(--line);padding:30px 26px;
  transition:transform .18s ease, box-shadow .18s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.card .num{
  font-family:"Chakra Petch",sans-serif;color:var(--bronze);font-weight:700;
  font-size:.85rem;letter-spacing:.1em;margin-bottom:10px;display:block;
}
.card h3{font-size:1.12rem;margin-bottom:10px;}
.card p{color:var(--ink-soft);font-size:.95rem;margin:0;}

.service-card{
  border:1px solid var(--line);background:var(--paper);overflow:hidden;
}
.service-card .thumb{aspect-ratio:4/3;overflow:hidden;position:relative;}
.service-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.service-card:hover .thumb img{transform:scale(1.06);}
.service-card .body{padding:22px 22px 26px;}
.service-card h3{font-size:1.08rem;}
.service-card p{color:var(--ink-soft);font-size:.93rem;}

.process{counter-reset:step;}
.process .step{
  display:flex;gap:22px;padding:26px 0;border-top:1px solid var(--line-onDark);
}
.process .step:last-child{border-bottom:1px solid var(--line-onDark);}
.process .step .idx{
  font-family:"Chakra Petch",sans-serif;font-size:2rem;font-weight:700;color:var(--bronze);
  min-width:64px;
}
.process .step h3{color:var(--paper);margin-bottom:6px;font-size:1.1rem;}
.process .step p{color:var(--sand-2);opacity:.85;margin:0;font-size:.95rem;}

.stats{display:flex;gap:0;flex-wrap:wrap;border:1px solid var(--line-onDark);}
.stats .stat{flex:1 1 160px;padding:26px 24px;border-right:1px solid var(--line-onDark);}
.stats .stat:last-child{border-right:none;}
.stats .stat b{
  display:block;font-family:"Chakra Petch",sans-serif;font-size:2rem;color:var(--bronze-light);
}
.stats .stat span{font-size:.85rem;color:var(--sand-2);opacity:.8;}

.cta-band{
  background:var(--bronze);color:var(--brown-950);padding:56px 0;
}
.cta-band .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.cta-band h2{color:var(--brown-950);margin:0;font-size:1.5rem;}
.cta-band .btn-solid{background:var(--brown-950);color:var(--sand-2);}
.cta-band .btn-solid:hover{background:var(--brown-800);}

/* ---------- Contact cards ---------- */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;}
@media (max-width:860px){.contact-grid{grid-template-columns:1fr;}}
.contact-card{
  background:var(--paper);border:1px solid var(--line);padding:26px;
  display:flex;gap:16px;align-items:flex-start;margin-bottom:16px;
}
.contact-card .ic{
  width:44px;height:44px;flex:none;border:1.5px solid var(--bronze);
  display:flex;align-items:center;justify-content:center;color:var(--bronze);
  font-family:"Chakra Petch",sans-serif;font-weight:700;
}
.contact-card h4{margin:0 0 4px;font-size:1rem;}
.contact-card p, .contact-card a{color:var(--ink-soft);font-size:.95rem;}
.contact-card a:hover{color:var(--bronze-dim);}
.map-wrap{border:1px solid var(--line);overflow:hidden;height:100%;min-height:360px;}
.map-wrap iframe{width:100%;height:100%;min-height:360px;border:0;display:block;filter:sepia(.15) saturate(1.05);}

/* ---------- Policy page ---------- */
.policy{max-width:820px;margin:0 auto;}
.policy h2{font-size:1.3rem;margin-top:2.2em;}
.policy h2:first-child{margin-top:0;}
.policy ul{padding-left:1.3em;color:var(--ink-soft);}
.policy p{color:var(--ink-soft);}
.policy .updated{
  font-family:"Chakra Petch",sans-serif;color:var(--bronze-dim);font-size:.85rem;
  letter-spacing:.05em;margin-bottom:2em;
}

/* ---------- Footer ---------- */
footer.site{background:var(--brown-950);color:var(--sand-2);padding:60px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:36px;padding-bottom:36px;border-bottom:1px solid var(--line-onDark);}
@media (max-width:760px){.footer-grid{grid-template-columns:1fr;gap:28px;}}
.footer-grid h4{color:var(--bronze-light);font-family:"Chakra Petch",sans-serif;font-size:.85rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:14px;}
.footer-grid p, .footer-grid a{color:var(--sand-2);opacity:.85;font-size:.92rem;display:block;margin-bottom:8px;}
.footer-grid a:hover{opacity:1;color:var(--bronze-light);}
.footer-brand .brand{margin-bottom:14px;}
.footer-bottom{
  padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  font-size:.82rem;color:var(--sand-2);opacity:.6;
}