/* ==========================================================================
   TL Cartier — design system v1
   Editorial premium: ivory paper, ink type, hairline rules, brass accent.
   No framework. Mobile-first. One file.
   ========================================================================== */

:root{
  --ink:#0B0C0E;
  --ink-2:#17191C;
  --ink-3:#26292E;
  --paper:#F7F4EF;
  --paper-2:#EFEAE2;
  --white:#FFFFFF;
  --muted:#5F646B;
  --muted-2:#8B9098;
  --brass:#A8874F;
  --brass-soft:#CBB08A;
  --line:rgba(11,12,14,.14);
  --line-2:rgba(11,12,14,.08);
  --line-inv:rgba(247,244,239,.16);
  --f: "IBM Plex Sans Thai", system-ui, -apple-system, "Segoe UI", sans-serif;
  --m: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;
  --r:2px;
  --w:1180px;
  --pad:24px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--f);font-size:17px;line-height:1.75;font-weight:400;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
a:hover{color:var(--brass)}
button{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:500;line-height:1.22;letter-spacing:-.01em}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0 0 1em;padding-left:1.25em}
li{margin:.25em 0}
strong{font-weight:600}
hr{border:0;border-top:1px solid var(--line);margin:0}
::selection{background:var(--ink);color:var(--paper)}

.wrap{max-width:var(--w);margin:0 auto;padding:0 var(--pad)}
.wrap-wide{max-width:1400px;margin:0 auto;padding:0 var(--pad)}
.sec{padding:88px 0;border-top:1px solid var(--line-2)}
.sec.tight{padding:56px 0}
.sec.inv{background:var(--ink);color:var(--paper);border-top:0}
.sec.inv h2,.sec.inv h3{color:var(--paper)}
.sec.inv p,.sec.inv li{color:rgba(247,244,239,.7)}
.sec.inv .rows,.sec.inv .row{border-color:var(--line-inv)}
.sec.inv .row .idx{color:rgba(247,244,239,.4)}
.sec.inv .row .arrow{color:var(--brass-soft)}
.sec.paper2{background:var(--paper-2)}

.eyebrow{
  font-family:var(--m);font-size:11.5px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--muted);display:flex;align-items:center;gap:10px;margin:0 0 14px;font-weight:500;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--brass)}
.sec.inv .eyebrow{color:var(--brass-soft)}
h1{font-size:clamp(30px,4.4vw,54px);letter-spacing:-.022em}
h2{font-size:clamp(24px,2.7vw,34px);letter-spacing:-.018em}
h3{font-size:20px}
.lead{font-size:clamp(16.5px,1.5vw,19px);color:var(--muted);max-width:64ch;line-height:1.8}
.sec.inv .lead{color:rgba(247,244,239,.72)}
.sec-hd{max-width:70ch;margin-bottom:40px}
.sec-hd h2{margin-bottom:12px}
.mono{font-family:var(--m);font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.hd{position:sticky;top:0;z-index:60;background:rgba(247,244,239,.86);backdrop-filter:saturate(140%) blur(14px);border-bottom:1px solid var(--line-2)}
.hd-in{max-width:var(--w);margin:0 auto;padding:0 var(--pad);height:66px;display:flex;align-items:center;gap:26px}
.logo{display:flex;align-items:baseline;gap:8px;font-family:var(--m);font-weight:600;letter-spacing:.02em;white-space:nowrap}
.logo b{font-size:16px;letter-spacing:.05em}
.logo span{font-size:11px;letter-spacing:.3em;color:var(--muted);font-weight:400}
.nav{display:flex;gap:22px;margin-left:auto;font-size:14.5px;font-weight:500}
.nav a{position:relative;padding:6px 0;color:var(--ink)}
.nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--brass);transition:width .28s var(--ease)}
.nav a:hover::after,.nav a[aria-current="page"]::after{width:100%}
.hd-cta{display:flex;align-items:center;gap:10px;margin-left:6px}
.burger{display:none;width:40px;height:40px;border:1px solid var(--line);background:transparent;border-radius:var(--r)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:46px;padding:0 22px;border-radius:var(--r);border:1px solid var(--ink);
  background:var(--ink);color:var(--paper);font-size:15px;font-weight:500;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  cursor:pointer;white-space:nowrap;
}
.btn:hover{background:var(--brass);border-color:var(--brass);color:#fff}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn.ghost:hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.btn.sm{height:38px;padding:0 15px;font-size:13.5px}
.btn.block{width:100%}

/* ---------- hero ---------- */
.hero{background:var(--ink);color:var(--paper);padding:76px 0 0;overflow:hidden}
.hero-in{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:start}
.hero h1{font-size:clamp(32px,5vw,60px);margin:0 0 18px;letter-spacing:-.03em}
.hero h1 em{font-style:normal;color:var(--brass-soft)}
.hero p{color:rgba(247,244,239,.7);font-size:17.5px;max-width:46ch}
.hero .eyebrow{color:var(--brass-soft)}
.hero .eyebrow::before{background:var(--brass-soft)}

/* size finder */
.finder{background:var(--ink-2);border:1px solid var(--line-inv);padding:26px;border-radius:var(--r)}
.finder h3{font-size:13px;font-family:var(--m);letter-spacing:.14em;text-transform:uppercase;color:var(--brass-soft);margin-bottom:18px;font-weight:500}
.finder-row{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px;margin-bottom:12px}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:11.5px;font-family:var(--m);letter-spacing:.1em;color:rgba(247,244,239,.55);text-transform:uppercase}
.field select{
  appearance:none;height:50px;padding:0 34px 0 14px;border-radius:var(--r);
  border:1px solid var(--line-inv);background:var(--ink-3) url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none' stroke='%23f7f4ef' stroke-width='1.4'%3E%3Cpath d='M1 1l5 5 5-5'/%3E%3C/svg%3E") no-repeat right 12px center;
  color:var(--paper);font-family:var(--m);font-size:16px;font-weight:500;
}
.field select:focus{outline:1px solid var(--brass);outline-offset:1px}
.finder .btn{width:100%;margin-top:6px;background:var(--paper);color:var(--ink);border-color:var(--paper)}
.finder .btn:hover{background:var(--brass);border-color:var(--brass);color:#fff}
.finder-hint{margin-top:14px;font-size:13px;color:rgba(247,244,239,.5)}

/* stats strip */
.stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line-inv);margin-top:64px}
.stat{padding:26px 0 30px;border-right:1px solid var(--line-inv)}
.stat:last-child{border-right:0}
.stat b{display:block;font-family:var(--m);font-size:clamp(24px,2.6vw,32px);font-weight:500;letter-spacing:-.02em}
.stat span{font-size:12.5px;color:rgba(247,244,239,.55);letter-spacing:.04em}

/* ---------- sizes ---------- */
.sizes{display:grid;grid-template-columns:repeat(auto-fill,minmax(132px,1fr));gap:8px}
.size-chip{
  border:1px solid var(--line);border-radius:var(--r);padding:13px 12px;background:transparent;
  display:flex;flex-direction:column;gap:3px;transition:border-color .2s var(--ease),background .2s var(--ease);
}
.size-chip:hover{border-color:var(--ink);background:var(--white);color:var(--ink)}
.size-chip b{font-family:var(--m);font-size:14.5px;font-weight:500;letter-spacing:-.01em}
.size-chip span{font-size:11.5px;color:var(--muted)}

/* ---------- generic cards ---------- */
.grid{display:grid;gap:18px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{border:1px solid var(--line);border-radius:var(--r);padding:24px;background:var(--white);transition:border-color .2s var(--ease),transform .2s var(--ease)}
.card:hover{border-color:var(--ink)}
.card h3{margin-bottom:8px;font-size:18px}
.card p{font-size:14.5px;color:var(--muted);margin:0}
.card .num{font-family:var(--m);font-size:12px;color:var(--brass);letter-spacing:.12em;margin-bottom:14px;display:block}

/* service list (editorial rows, not cards) */
.rows{border-top:1px solid var(--line)}
.row{display:grid;grid-template-columns:56px 1fr auto;gap:24px;align-items:center;padding:26px 0;border-bottom:1px solid var(--line);transition:padding .25s var(--ease)}
.row:hover{padding-left:8px}
.row .idx{font-family:var(--m);font-size:12.5px;color:var(--muted-2)}
.row h3{font-size:19px;margin-bottom:4px}
.row p{font-size:14.5px;color:var(--muted);margin:0}
.row .arrow{font-family:var(--m);font-size:18px;color:var(--brass)}

/* ---------- product catalog ---------- */
.toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;padding:16px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:26px}
.toolbar .count{font-family:var(--m);font-size:13px;color:var(--muted);margin-right:auto}
.chip{border:1px solid var(--line);background:transparent;border-radius:99px;height:34px;padding:0 14px;font-size:13.5px;cursor:pointer;transition:all .2s var(--ease)}
.chip:hover{border-color:var(--ink)}
.chip[aria-pressed="true"]{background:var(--ink);color:var(--paper);border-color:var(--ink)}

.catalog{display:grid;grid-template-columns:repeat(auto-fill,minmax(236px,1fr));gap:16px}
.p-card{border:1px solid var(--line);border-radius:var(--r);background:var(--white);display:flex;flex-direction:column;overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.p-card:hover{border-color:var(--ink);box-shadow:0 12px 30px -22px rgba(11,12,14,.5)}
.p-media{aspect-ratio:4/3;background:var(--paper-2);display:flex;align-items:center;justify-content:center;padding:14px}
.p-media img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply}
.p-body{padding:14px 14px 16px;display:flex;flex-direction:column;gap:6px;flex:1}
.p-brand{font-family:var(--m);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);display:flex;align-items:center;gap:6px}
.p-name{font-size:14.5px;font-weight:500;line-height:1.4;min-height:2.9em;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.p-meta{display:flex;align-items:baseline;gap:8px;margin-top:auto;padding-top:10px}
.p-meta-size{font-family:var(--m);font-size:11px;color:var(--muted-2);letter-spacing:.04em}
.p-price{font-family:var(--m);font-size:18px;font-weight:500;letter-spacing:-.02em}
.p-old{font-family:var(--m);font-size:12px;color:var(--muted-2);text-decoration:line-through}
.p-tag{font-size:11px;font-family:var(--m);color:var(--brass);border:1px solid var(--brass-soft);border-radius:99px;padding:1px 7px;margin-left:auto}

/* ---------- price table ---------- */
.ptable{border-top:1px solid var(--line)}
.ptable thead th{font-family:var(--m);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);text-align:left;padding:12px 10px;border-bottom:1px solid var(--line);font-weight:500}
.ptable td{padding:14px 10px;border-bottom:1px solid var(--line-2);vertical-align:middle;font-size:15px}
.ptable tr:hover td{background:var(--white)}
.ptable .price{font-family:var(--m);font-size:16px;text-align:right;white-space:nowrap}
.ptable .old{font-family:var(--m);font-size:12px;color:var(--muted-2);text-decoration:line-through;margin-left:6px}
.ptable .score{font-family:var(--m);font-size:12.5px;color:var(--muted);white-space:nowrap}
.ptable td.num{font-family:var(--m);font-size:13px;color:var(--muted)}

/* ---------- prose ---------- */
.prose{max-width:72ch}
.prose h2{margin:52px 0 18px}
.prose h2:first-child{margin-top:0}
.prose h3{margin:32px 0 12px;font-size:19px}
.prose p,.prose li{font-size:17px;line-height:1.85;color:#1d2024}
.prose ul,.prose ol{margin:0 0 22px;padding-left:1.2em}
.prose table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px}
.prose th{text-align:left;font-family:var(--m);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);padding:10px;border-bottom:1px solid var(--ink)}
.prose td{padding:12px 10px;border-bottom:1px solid var(--line-2)}
.prose td.num{font-family:var(--m)}
.prose blockquote{margin:0 0 24px;padding:18px 22px;border-left:2px solid var(--brass);background:var(--paper-2);font-size:16.5px;color:#23262a}
.prose img{border-radius:var(--r);margin:26px 0}

/* ---------- faq ---------- */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  cursor:pointer;list-style:none;padding:22px 40px 22px 0;position:relative;
  font-size:17px;font-weight:500;line-height:1.5;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:6px;top:20px;font-family:var(--m);font-size:20px;color:var(--muted);transition:transform .25s var(--ease),color .2s}
.faq details[open] summary::after{transform:rotate(45deg);color:var(--brass)}
.faq .a{padding:0 40px 26px 0;color:#2a2d31;font-size:16.5px;line-height:1.8;max-width:78ch}
.faq .a p:last-child{margin-bottom:0}

/* ---------- breadcrumb ---------- */
.bc{font-family:var(--m);font-size:11.5px;letter-spacing:.04em;color:var(--muted);padding:18px 0 0;display:flex;flex-wrap:wrap;gap:8px}
.bc a{color:var(--muted)}
.bc a:hover{color:var(--ink)}
.bc span{color:var(--muted-2)}

/* ---------- page head ---------- */
.ph{padding:44px 0 40px;border-bottom:1px solid var(--line-2)}
.ph h1{margin:14px 0 16px}
.ph .meta{display:flex;flex-wrap:wrap;gap:22px;margin-top:22px;font-family:var(--m);font-size:12.5px;color:var(--muted)}
.ph .meta b{color:var(--ink);font-weight:500}

/* ---------- cta band ---------- */
.cta-band{background:var(--ink);color:var(--paper);padding:64px 0}
.cta-band .in{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:8px}
.cta-band p{color:rgba(247,244,239,.65);margin:0;font-size:15.5px}

/* ---------- footer ---------- */
.ft{background:var(--ink-2);color:rgba(247,244,239,.72);padding:56px 0 0;font-size:14.5px}
.ft a{color:rgba(247,244,239,.78)}
.ft a:hover{color:var(--brass-soft)}
.ft-cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px}
.ft h4{font-family:var(--m);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:rgba(247,244,239,.45);margin-bottom:16px;font-weight:500}
.ft ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:9px}
.ft .brandline{font-family:var(--m);letter-spacing:.06em;color:var(--paper);font-size:15px;margin-bottom:12px}
.ft-bot{border-top:1px solid var(--line-inv);padding:20px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:rgba(247,244,239,.45)}

/* ---------- utilities ---------- */
.tbd{color:var(--brass);border-bottom:1px dashed var(--brass-soft);font-style:normal}
.note{border:1px solid var(--brass-soft);background:rgba(168,135,79,.07);padding:14px 16px;border-radius:var(--r);font-size:14px;color:#5a4b31}
.muted{color:var(--muted)}
.tiny{font-size:12.5px;color:var(--muted)}
.center{text-align:center}
.mt-0{margin-top:0}.mb-0{margin-bottom:0}
.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mt-32{margin-top:32px}.mt-48{margin-top:48px}
.mb-8{margin-bottom:8px}.mb-16{margin-bottom:16px}.mb-24{margin-bottom:24px}.mb-32{margin-bottom:32px}
.flex{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.between{display:flex;justify-content:space-between;align-items:baseline;gap:20px;flex-wrap:wrap}
.mobile-cta{display:none}

/* ---------- responsive ---------- */
@media (max-width:1000px){
  .hero-in{grid-template-columns:1fr;gap:36px}
  .stats{grid-template-columns:1fr 1fr}
  .stat:nth-child(2n){border-right:0}
  .stat:nth-child(-n+2){border-bottom:1px solid var(--line-inv)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .ft-cols{grid-template-columns:1fr 1fr}
  .nav{display:none}
  .burger{display:block;margin-left:auto}
  .hd-cta .btn{height:40px;padding:0 14px;font-size:13.5px}
  .logo span{display:none}
}
@media (max-width:700px){
  body{font-size:16.5px}
  :root{--pad:18px}
  .sec{padding:56px 0}
  .hero{padding:44px 0 0}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .grid-4{grid-template-columns:1fr 1fr}
  .catalog{grid-template-columns:repeat(2,1fr);gap:10px}
  .p-name{font-size:13.5px}
  .p-price{font-size:16px}
  .finder-row{grid-template-columns:1fr 1fr 1fr;gap:6px}
  .field select{height:46px;padding-left:10px;font-size:14px}
  .row{grid-template-columns:34px 1fr;gap:14px}
  .row .arrow{display:none}
  .cta-band .in{flex-direction:column;align-items:flex-start}
  .ft-cols{grid-template-columns:1fr;gap:26px}
  .ptable thead{display:none}
  .ptable td{display:block;border:0;padding:4px 0}
  .ptable tr{display:block;padding:16px 0;border-bottom:1px solid var(--line)}
  .ptable .price{text-align:left}
  .mobile-cta{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:70;background:rgba(11,12,14,.94);
    backdrop-filter:blur(12px);border-top:1px solid var(--line-inv);padding:10px 14px calc(10px + env(safe-area-inset-bottom));gap:10px;
  }
  .mobile-cta a{flex:1;height:46px;display:flex;align-items:center;justify-content:center;border-radius:var(--r);font-size:14.5px;font-weight:500}
  .mobile-cta a.pri{background:var(--paper);color:var(--ink)}
  .mobile-cta a.sec{background:transparent;color:var(--paper);border:1px solid var(--line-inv)}
  body{padding-bottom:70px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}