/* ==========================================================================
   VANORA — Aluminum Windows & Doors | Design System
   ========================================================================== */

:root{
  --ink:#0F1213;
  --ink-70:#3C4244;
  --ink-45:#6B7275;
  --paper:#F6F3ED;
  --paper-2:#EFEBE3;
  --white:#FFFFFF;
  --line:rgba(15,18,19,.13);
  --line-soft:rgba(15,18,19,.07);
  --accent:#A9703A;
  --accent-soft:#C79A6A;
  --dark:#0B0E0F;
  --radius:2px;
  --container:1240px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow:0 24px 60px -30px rgba(15,18,19,.45);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;overflow-x:clip}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:"Inter","Segoe UI","Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.65;font-weight:400;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
body.zh{font-family:"PingFang SC","Microsoft YaHei","Segoe UI","Inter",Arial,sans-serif;line-height:1.85;letter-spacing:.01em}
body.zh h1,body.zh h2,body.zh h3{letter-spacing:0;line-height:1.28}
body.zh .lead{line-height:1.9}
body.zh .eyebrow{letter-spacing:.18em}
img{max-width:100%;display:block;height:auto}
main svg,.drawer svg{max-width:100%;max-height:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:-.025em;line-height:1.08}
h1{font-size:clamp(2.4rem,5.1vw,4.5rem)}
h2{font-size:clamp(1.85rem,3.4vw,3rem)}
h3{font-size:clamp(1.15rem,1.6vw,1.45rem);line-height:1.25}
h4{font-size:1rem;letter-spacing:0}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
::selection{background:var(--ink);color:var(--paper)}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 28px}
.section{padding:clamp(64px,8vw,120px) 0;position:relative}
.section--tight{padding:clamp(48px,5vw,72px) 0}
.section--paper2{background:var(--paper-2)}
.section--ink{background:var(--dark);color:var(--paper)}
.section--line{border-top:1px solid var(--line)}

/* ---------- typography helpers ---------- */
.eyebrow{
  display:flex;align-items:center;gap:12px;
  font-size:.7rem;letter-spacing:.22em;text-transform:uppercase;
  font-weight:600;color:var(--ink-45);margin-bottom:18px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:currentColor;opacity:.6}
.section--ink .eyebrow{color:rgba(246,243,237,.55)}
.lead{font-size:clamp(1rem,1.25vw,1.16rem);color:var(--ink-70);max-width:62ch;line-height:1.7}
.section--ink .lead{color:rgba(246,243,237,.72)}
.mono{font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;letter-spacing:.02em}
.small{font-size:.82rem;line-height:1.6}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 26px;border-radius:100px;border:1px solid transparent;
  font-size:.82rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;
  cursor:pointer;transition:transform .35s var(--ease),background .25s,color .25s,border-color .25s;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px)}
.btn--primary{background:var(--ink);color:var(--paper)}
.btn--primary:hover{background:var(--accent)}
.btn--accent{background:var(--accent);color:#fff}
.btn--accent:hover{background:#8f5c2c}
.btn--ghost{border-color:var(--line);color:var(--ink);background:transparent}
.btn--ghost:hover{border-color:var(--ink)}
.btn--light{background:var(--paper);color:var(--ink)}
.btn--outline-light{border-color:rgba(246,243,237,.35);color:var(--paper)}
.btn--outline-light:hover{border-color:var(--paper);background:rgba(255,255,255,.06)}
.btn svg{width:15px;height:15px;flex:none}

.link-arrow{
  display:inline-flex;align-items:center;gap:9px;font-size:.8rem;font-weight:600;
  letter-spacing:.14em;text-transform:uppercase;padding-bottom:3px;white-space:nowrap;
  border-bottom:1px solid var(--line);transition:gap .3s var(--ease),border-color .3s;
}
.link-arrow:hover{gap:16px;border-color:var(--ink)}
.link-arrow svg{width:15px;height:15px;flex:none}
.section--ink .link-arrow{border-color:rgba(246,243,237,.3)}
.section--ink .link-arrow:hover{border-color:var(--paper)}

/* ---------- top bar ---------- */
.topbar{background:var(--dark);color:rgba(246,243,237,.62);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase}
.topbar .container{display:flex;align-items:center;justify-content:space-between;height:38px;gap:16px}
.topbar__left{display:flex;align-items:center;gap:14px;min-width:0}
.topbar__dot{width:5px;height:5px;border-radius:50%;background:var(--accent-soft);flex:none}
.topbar__right{display:flex;align-items:center;gap:18px}
.topbar a{transition:color .2s}
.topbar a:hover{color:#fff}
.topbar__sep{width:1px;height:11px;background:rgba(246,243,237,.22)}

/* ---------- header ---------- */
.header{
  position:sticky;top:0;z-index:90;background:rgba(246,243,237,.92);
  backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line-soft);
  transition:box-shadow .3s,border-color .3s;
}
.header.is-stuck{box-shadow:0 12px 30px -24px rgba(0,0,0,.5);border-color:var(--line)}
.header .container{display:flex;align-items:center;justify-content:space-between;height:76px;gap:24px}
.brand{display:flex;align-items:center;gap:11px;flex:none}
.brand__mark{width:34px;height:34px;flex:none}
.brand__img{display:block;height:33px;width:auto;flex:none}
.brand__img--full{height:78px;width:auto;opacity:.95}
.brand--full{gap:0}
.footer .brand--full{margin-bottom:2px}
.brand__text{display:flex;flex-direction:column;line-height:1}
.brand__name{font-size:1.12rem;font-weight:700;letter-spacing:.2em}
.brand__sub{font-size:.53rem;letter-spacing:.19em;text-transform:uppercase;color:var(--ink-45);margin-top:5px}
.nav{display:flex;align-items:center;gap:30px}
.nav__link{font-size:.83rem;font-weight:500;letter-spacing:.03em;position:relative;padding:6px 0;color:var(--ink-70);transition:color .2s}
.nav__link::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--ink);transition:width .3s var(--ease)}
.nav__link:hover,.nav__link.is-active{color:var(--ink)}
.nav__link:hover::after,.nav__link.is-active::after{width:100%}
.header__actions{display:flex;align-items:center;gap:14px;flex:none}
.lang{display:flex;align-items:center;border:1px solid var(--line);border-radius:100px;padding:2px;font-size:.72rem;font-weight:600;letter-spacing:.06em}
.lang a{padding:5px 11px;border-radius:100px;color:var(--ink-45);transition:.2s}
.lang a.is-on{background:var(--ink);color:var(--paper)}
.lang a:not(.is-on):hover{color:var(--ink)}
.header .btn{padding:11px 20px;font-size:.74rem}
.burger{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:50%;background:none;align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer}
.burger span{display:block;width:17px;height:1.5px;background:var(--ink);transition:.3s}
.burger.is-open span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.burger.is-open span:nth-child(2){opacity:0}
.burger.is-open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}

/* mobile drawer */
.drawer{
  position:fixed;inset:0;z-index:99;background:var(--paper);
  transform:translateX(100%);transition:transform .45s var(--ease);
  display:flex;flex-direction:column;padding:22px 26px 40px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:36px}
.drawer__close{width:44px;height:44px;border:1px solid var(--line);border-radius:50%;background:none;font-size:1.2rem;cursor:pointer}
.drawer nav{display:flex;flex-direction:column}
.drawer nav a{font-size:1.55rem;font-weight:600;letter-spacing:-.02em;padding:15px 0;border-bottom:1px solid var(--line-soft)}
.drawer__foot{margin-top:auto;padding-top:34px;display:flex;flex-direction:column;gap:12px}
.drawer__foot .btn{width:100%}

/* ---------- hero ---------- */
.hero{position:relative;min-height:min(86vh,760px);display:flex;align-items:flex-end;overflow:hidden;background:var(--dark)}
.hero__media{position:absolute;inset:0}
.hero__media img{width:100%;height:100%;object-fit:cover;object-position:center 55%;transform:scale(1.02)}
.hero::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(8,11,12,.86) 0%,rgba(8,11,12,.62) 38%,rgba(8,11,12,.12) 72%,rgba(8,11,12,.28) 100%),
    linear-gradient(0deg,rgba(8,11,12,.72) 0%,rgba(8,11,12,0) 45%);
}
.hero .container{position:relative;z-index:2;padding-top:clamp(80px,12vw,140px);padding-bottom:clamp(90px,9vw,120px);color:var(--paper)}
.hero__inner{max-width:760px}
.hero__eyebrow{display:flex;align-items:center;gap:12px;font-size:.72rem;letter-spacing:.24em;text-transform:uppercase;color:rgba(246,243,237,.72);margin-bottom:24px}
.hero__eyebrow span{width:34px;height:1px;background:var(--accent-soft)}
.hero h1{color:#fff;letter-spacing:-.035em;max-width:20ch}
.hero h1 em{font-style:normal;color:var(--accent-soft)}
.hero__sub{margin-top:24px;font-size:clamp(1rem,1.3vw,1.15rem);line-height:1.7;color:rgba(246,243,237,.82);max-width:56ch}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}
.hero__meta{display:flex;flex-wrap:wrap;gap:26px;margin-top:44px;padding-top:26px;border-top:1px solid rgba(246,243,237,.18)}
.hero__meta div{font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;color:rgba(246,243,237,.6)}
.hero__meta strong{display:block;color:#fff;font-size:1.5rem;letter-spacing:-.02em;margin-bottom:3px;font-weight:600}
.hero--sub{min-height:min(58vh,520px)}
.hero--sub::after{background:linear-gradient(90deg,rgba(8,11,12,.88) 0%,rgba(8,11,12,.66) 42%,rgba(8,11,12,.22) 78%,rgba(8,11,12,.38) 100%),linear-gradient(0deg,rgba(8,11,12,.55) 0%,rgba(8,11,12,0) 60%)}
.hero .breadcrumb{color:rgba(255,255,255,.72);text-shadow:0 1px 8px rgba(0,0,0,.5)}
.hero--sub h1{font-size:clamp(2.2rem,4.4vw,3.7rem)}

/* ---------- stat strip ---------- */
.stats{background:var(--dark);color:var(--paper);border-top:1px solid rgba(246,243,237,.12)}
.stats .container{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat{padding:34px 26px;border-left:1px solid rgba(246,243,237,.12)}
.stat:first-child{border-left:0;padding-left:0}
.stat b{display:block;font-size:clamp(1.7rem,2.6vw,2.4rem);font-weight:600;letter-spacing:-.03em;line-height:1}
.stat b i{font-style:normal;color:var(--accent-soft);font-size:.6em;margin-left:2px}
.stat span{display:block;margin-top:10px;font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;color:rgba(246,243,237,.55)}

/* ---------- section heading ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:36px;margin-bottom:clamp(36px,4vw,56px)}
.sec-head__text{max-width:56ch}
.sec-head h2{margin-bottom:18px}

/* ---------- cards grid ---------- */
.grid{display:grid;gap:clamp(16px,2vw,26px)}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--2{grid-template-columns:repeat(2,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}

.card{position:relative;display:flex;flex-direction:column;background:var(--white);border:1px solid var(--line-soft);border-radius:var(--radius);overflow:hidden;transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.card__media{position:relative;aspect-ratio:4/3.4;overflow:hidden;background:var(--paper-2)}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.card:hover .card__media img{transform:scale(1.045)}
.card__tag{position:absolute;left:16px;top:16px;background:rgba(15,18,19,.82);color:var(--paper);font-size:.65rem;letter-spacing:.16em;text-transform:uppercase;padding:6px 11px;border-radius:100px;backdrop-filter:blur(6px)}
.card__body{padding:24px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.card__body h3 a:hover{color:var(--accent)}
.card__desc{font-size:.9rem;color:var(--ink-45);line-height:1.65}
.card__specs{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto;padding-top:8px}
.chip{font-size:.68rem;letter-spacing:.04em;padding:5px 9px;border:1px solid var(--line);border-radius:2px;color:var(--ink-70);background:rgba(255,255,255,.6)}
.card__foot{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 24px;border-top:1px solid var(--line-soft);font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;font-weight:600;color:var(--ink-70)}
.card__foot svg{width:16px;height:16px;flex:none}
.card:hover .card__foot{color:var(--accent)}

/* ---------- feature split ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,5vw,72px);align-items:center}
.split--rev .split__media{order:2}
.split__media{position:relative;aspect-ratio:4/3.2;overflow:hidden;border-radius:var(--radius)}
.split__media img{width:100%;height:100%;object-fit:cover}
.split__body{max-width:none}
.split__body>p,.split__body .lead{max-width:56ch}
.split__body h2{max-width:26ch}
.split__body h2{margin-bottom:20px}
.split__body p+p{margin-top:16px}
.list-check{display:flex;flex-direction:column;gap:14px;margin-top:26px}
.list-check li{display:flex;gap:13px;font-size:.92rem;line-height:1.6;color:var(--ink-70)}
.list-check li svg{flex:none;width:17px;height:17px;margin-top:3px;color:var(--accent)}
.list-check strong{color:var(--ink);font-weight:600}

/* ---------- spec table ---------- */
.spec-table{width:100%;border-collapse:collapse;font-size:.9rem;background:var(--white)}
.spec-table caption{text-align:left;font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-45);padding-bottom:12px}
.spec-table th,.spec-table td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line-soft);vertical-align:top}
.spec-table th{font-weight:500;color:var(--ink-45);font-size:.84rem}
.spec-table tbody th{width:42%}
.spec-table thead th{font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-45);padding-top:18px}
.spec-table td{font-weight:500}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:0}
.spec-table tr:hover td,.spec-table tr:hover th{background:rgba(169,112,58,.045)}

/* perf bars */
.perf{display:grid;gap:18px;margin-top:8px}
.perf__row{display:grid;grid-template-columns:120px 1fr auto;align-items:center;gap:16px;font-size:.82rem}
.perf__label{color:var(--ink-45)}
.perf__track{display:block;height:4px;background:rgba(15,18,19,.09);border-radius:100px;overflow:hidden}
.perf__fill{display:block;height:100%;background:var(--accent);width:0;transition:width 1.1s var(--ease)}
.perf__val{text-align:right;font-weight:600;white-space:nowrap;font-size:.76rem;min-width:118px}
.section--ink .perf__track{background:rgba(246,243,237,.16)}
.section--ink .perf__label{color:rgba(246,243,237,.6)}

/* ---------- project masonry ---------- */
.proj{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(12px,1.6vw,20px)}
.proj__item{position:relative;overflow:hidden;border-radius:var(--radius);background:var(--paper-2)}
.proj__item img{width:100%;height:100%;object-fit:cover;transition:transform .9s var(--ease)}
.proj__item:hover img{transform:scale(1.05)}
.proj__item figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:26px 20px 18px;color:#fff;
  background:linear-gradient(0deg,rgba(8,11,12,.92),rgba(8,11,12,.55) 55%,rgba(8,11,12,0));
  font-size:.82rem;display:flex;flex-direction:column;gap:4px;
}
.proj__item figcaption b{font-weight:600;letter-spacing:-.01em}
.proj__item figcaption span{font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.7)}
.proj__item{aspect-ratio:3/4}
.proj__item--tall,.proj__item--wide,.proj__item--sq{grid-column:auto;aspect-ratio:3/4}

/* ---------- process ---------- */
.process{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border-top:1px solid var(--line)}
.process__step{padding:30px 22px 30px 0;border-right:1px solid var(--line);position:relative}
.process__step:last-child{border-right:0;padding-right:0}
.process__step b{display:block;font-size:.7rem;letter-spacing:.18em;color:var(--accent);margin-bottom:18px;font-weight:600}
.process__step h4{margin-bottom:10px;font-size:1rem;font-weight:600}
.process__step p{font-size:.82rem;color:var(--ink-45);line-height:1.6}

/* ---------- certs ---------- */
.certs{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.cert{border:1px solid var(--line);background:rgba(255,255,255,.55);padding:22px 18px;display:flex;flex-direction:column;gap:10px;align-items:flex-start;border-radius:var(--radius)}
.cert__ico{width:34px;height:34px;color:var(--accent)}
.cert b{font-size:.86rem;font-weight:600;letter-spacing:-.01em}
.cert span{font-size:.72rem;color:var(--ink-45);line-height:1.5}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line)}
.faq__item{border-bottom:1px solid var(--line)}
.faq__q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px 0;background:none;border:0;text-align:left;cursor:pointer;font-size:1rem;font-weight:600;letter-spacing:-.01em}
.faq__q i{flex:none;width:22px;height:22px;position:relative}
.faq__q i::before,.faq__q i::after{content:"";position:absolute;background:var(--ink-45);transition:.3s}
.faq__q i::before{left:0;top:10.5px;width:22px;height:1px}
.faq__q i::after{left:10.5px;top:0;width:1px;height:22px}
.faq__item.is-open .faq__q i::after{transform:rotate(90deg);opacity:0}
.faq__a{max-height:0;overflow:hidden;transition:max-height .45s var(--ease)}
.faq__a p{padding:0 44px 24px 0;color:var(--ink-70);font-size:.92rem;line-height:1.7;max-width:76ch}

/* ---------- CTA band ---------- */
.cta-band{background:var(--dark);color:var(--paper);position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;right:-10%;top:-40%;width:70%;height:180%;background:radial-gradient(circle at center,rgba(169,112,58,.22),transparent 62%);pointer-events:none}
.cta-band .container{position:relative;z-index:2;display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center;padding-top:clamp(52px,6vw,84px);padding-bottom:clamp(52px,6vw,84px)}
.cta-band h2{color:#fff;max-width:22ch}
.cta-band p{margin-top:18px;color:rgba(246,243,237,.72);max-width:46ch;font-size:.95rem}
.cta-band__actions{display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.cta-band__actions .btn{width:100%;justify-content:space-between}

/* ---------- footer ---------- */
.footer{background:var(--dark);color:rgba(246,243,237,.6);padding-top:clamp(48px,6vw,72px);font-size:.85rem}
.footer__top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:clamp(24px,3vw,48px);padding-bottom:52px;border-bottom:1px solid rgba(246,243,237,.12)}
.footer .brand__name{color:var(--paper)}
.footer .brand__sub{color:rgba(246,243,237,.45)}
.footer__about{margin-top:20px;max-width:34ch;line-height:1.7;font-size:.84rem}
.footer h4{color:var(--paper);font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;margin-bottom:18px;font-weight:600}
.footer li{margin-bottom:11px}
.footer a{transition:color .2s}
.footer a:hover{color:#fff}
.footer__contact li{display:flex;gap:10px;align-items:flex-start;line-height:1.5}
.footer__contact svg{width:15px;height:15px;flex:none;margin-top:3px;color:var(--accent-soft)}
.footer__bottom{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:24px 0 30px;font-size:.76rem;flex-wrap:wrap}
.footer__bottom nav{display:flex;gap:20px;flex-wrap:wrap}

/* floating whatsapp */
.float{position:fixed;right:22px;bottom:22px;z-index:80;display:flex;flex-direction:column;gap:10px;align-items:flex-end}
.float a{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 14px 30px -12px rgba(0,0,0,.5);transition:transform .3s}
.float a:hover{transform:translateY(-3px)}
.float .wa{background:#25D366;color:#fff}
.float .line{background:#06C755;color:#fff}
.float svg{width:26px;height:26px}

/* ---------- content blocks (about / article) ---------- */
.prose{max-width:74ch}
.prose h2{margin:44px 0 16px;font-size:clamp(1.5rem,2.4vw,2rem)}
.prose h3{margin:32px 0 12px}
.prose p{margin-bottom:16px;color:var(--ink-70);line-height:1.78}
.prose ul{margin:0 0 20px;padding-left:0}
.prose ul li{position:relative;padding-left:20px;margin-bottom:10px;color:var(--ink-70);line-height:1.7}
.prose ul li::before{content:"";position:absolute;left:0;top:.72em;width:7px;height:1px;background:var(--accent)}
.prose table{margin:22px 0;font-size:.88rem;width:100%}
.prose ol{margin:0 0 20px;padding-left:22px}
.prose ol li{margin-bottom:10px;color:var(--ink-70);line-height:1.75}
.prose ol li::marker{color:var(--accent);font-variant-numeric:tabular-nums}
.prose strong{color:var(--ink)}

.breadcrumb{display:flex;gap:10px;align-items:center;font-size:.74rem;letter-spacing:.05em;color:rgba(246,243,237,.62);margin-bottom:22px;flex-wrap:wrap}
.breadcrumb a:hover{color:#fff}
.breadcrumb span{opacity:.5}
.section .breadcrumb{color:var(--ink-45)}

.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{font-size:.7rem;letter-spacing:.06em;padding:6px 10px;border:1px solid var(--line);border-radius:2px;color:var(--ink-45)}

/* ---------- quote form ---------- */
.form-card{background:var(--white);border:1px solid var(--line-soft);padding:clamp(26px,3vw,42px);border-radius:var(--radius)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field--full{grid-column:1/-1}
.field label{font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-45);font-weight:600}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);background:var(--paper);
  border-radius:2px;font:inherit;font-size:.9rem;color:var(--ink);transition:border-color .2s,background .2s;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent);background:#fff}
.field textarea{resize:vertical;min-height:96px}
.form-note{font-size:.74rem;color:var(--ink-45);line-height:1.6;margin-top:14px}
.form-card .btn{margin-top:18px;width:100%}

/* ---------- contact cards ---------- */
.contact-list{display:grid;gap:14px}
.contact-item{display:flex;gap:16px;padding:20px;border:1px solid var(--line);background:rgba(255,255,255,.5);border-radius:var(--radius);transition:.3s}
.contact-item:hover{border-color:var(--accent);background:#fff}
.contact-item__ico{width:40px;height:40px;border-radius:50%;background:var(--paper-2);display:flex;align-items:center;justify-content:center;flex:none;color:var(--accent)}
.contact-item svg{width:18px;height:18px}
.contact-item b{display:block;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-45);margin-bottom:4px;font-weight:600}
.contact-item span{font-size:1rem;font-weight:500;word-break:break-word}

/* ---------- misc ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:var(--paper);padding:12px 18px;z-index:200}
.skip:focus{left:12px;top:12px}

/* ---------- responsive ---------- */
@media(max-width:1080px){
  .nav{display:none}
  .burger{display:flex}
  .header .btn{display:none}
  .grid--4{grid-template-columns:repeat(2,1fr)}
  .certs{grid-template-columns:repeat(3,1fr)}
  .process{grid-template-columns:repeat(2,1fr)}
  .process__step{border-right:0;border-bottom:1px solid var(--line);padding:24px 20px 24px 0}
  .footer__top{grid-template-columns:1fr 1fr}
}
@media(max-width:860px){
  .container{padding:0 20px}
  .grid--3,.grid--2{grid-template-columns:1fr}
  .split{grid-template-columns:1fr;gap:30px}
  .split--rev .split__media{order:0}
  .stats .container{grid-template-columns:1fr 1fr}
  .stat{border-left:0;border-top:1px solid rgba(246,243,237,.12);padding:22px 0}
  .stat:nth-child(even){padding-left:20px;border-left:1px solid rgba(246,243,237,.12)}
  .cta-band .container{grid-template-columns:1fr;gap:30px}
  .proj{grid-template-columns:repeat(2,1fr)}
  .hero__meta{gap:18px 26px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:18px}
  .topbar__left span.tb-extra{display:none}
  .perf__row{grid-template-columns:104px 1fr 64px;gap:10px;font-size:.78rem}
}
@media(max-width:600px){
  .prose table{font-size:.8rem}
  .prose th,.prose td{padding:10px}
  .form-grid{grid-template-columns:1fr}
  .certs{grid-template-columns:1fr 1fr}
  .footer__top{grid-template-columns:1fr}
  .float a{width:46px;height:46px}
  .float svg{width:22px;height:22px}
  h1{font-size:clamp(2.05rem,8.5vw,2.9rem)}
  .spec-table th{width:46%}
  .spec-table th,.spec-table td{padding:12px 12px}
}

/* range table */
.range-table{table-layout:fixed}
.range-table th:nth-child(1),.range-table td:nth-child(1){width:30%}
.range-table th:nth-child(2),.range-table td:nth-child(2){width:24%}
.range-table th:nth-child(3),.range-table td:nth-child(3){width:26%}
.range-table th:nth-child(4),.range-table td:nth-child(4){width:20%}
.range-table td{font-size:.86rem}
.std-table{table-layout:fixed}
.std-table th:nth-child(1),.std-table td:nth-child(1){width:22%}
.std-table th:nth-child(2),.std-table td:nth-child(2){width:21%}
.std-table th:nth-child(3),.std-table td:nth-child(3){width:38%}
.std-table th:nth-child(4),.std-table td:nth-child(4){width:19%}
.std-table td{font-size:.84rem}
.std-table td.mono{font-size:.76rem;white-space:nowrap}


/* ============================================================ colours */
.swatches{display:grid;grid-template-columns:repeat(auto-fill,minmax(122px,1fr));gap:24px 20px;max-width:940px}
.swatch-item{display:flex;flex-direction:column;gap:10px;align-items:flex-start;font-size:.78rem;line-height:1.3}
.swatch-item b{font-weight:600;color:var(--ink)}
.swatch__code{font-size:.66rem;color:var(--ink-45);letter-spacing:.04em}
.swatch{
  width:54px;height:54px;border-radius:50%;background:var(--sw);display:block;
  box-shadow:inset 0 0 0 1px rgba(15,18,19,.14),0 10px 18px -14px rgba(0,0,0,.55);
}
.swatch--wood{background:linear-gradient(112deg,#8E5C32 0%,#6B4324 34%,#9C6C40 52%,#5B3920 74%,#8E5C32 100%)}
.swatch--custom{background:conic-gradient(from 210deg,#17191A,#3D3634,#6B5140,#C6B191,#F1F0EA,#A2A5A3,#383E42,#17191A)}
.swatches--compact{display:flex;flex-wrap:wrap;gap:7px;margin-top:14px}
.swatches--compact .swatch-item{gap:0}
.swatches--compact .swatch{width:15px;height:15px;box-shadow:inset 0 0 0 1px rgba(15,18,19,.2)}

/* ============================================================ thai */
.nw{white-space:nowrap}
body.th{font-family:"Noto Sans Thai","Leelawadee UI","Sarabun","Segoe UI",Tahoma,sans-serif;line-height:1.85;letter-spacing:0}
body.th h1,body.th h2,body.th h3,body.th h4{line-height:1.42;letter-spacing:0;font-weight:600}
body.th h1{line-height:1.45}
body.th figcaption,body.th .card__desc{line-height:1.72}
body.th .lead{line-height:1.95}
body.th .eyebrow{letter-spacing:.05em;text-transform:none;font-weight:600}
body.th .nav__link{letter-spacing:0;font-size:.86rem}
body.th .btn{letter-spacing:0;text-transform:none;font-weight:600}
body.th .brand__name{letter-spacing:.16em}
body.th .brand__sub{letter-spacing:0;text-transform:none}
body.th .card__foot{letter-spacing:.02em;text-transform:none;font-weight:600}
body.th .footer h4{letter-spacing:.02em;text-transform:none}
body.th .spec-table th,body.th .spec-table td{line-height:1.72}
body.th .prose li,body.th .prose p{line-height:1.95}
body.th .tag,body.th .chip{letter-spacing:0;text-transform:none}
body.th .stat span{line-height:1.5}
body.th .process__step p{line-height:1.75}
body.th .faq__q{line-height:1.5}

/* language switch, three items */
.lang a{min-width:40px;text-align:center;white-space:nowrap}
.lang a[lang="th"]{letter-spacing:0;font-size:.76rem;line-height:1.5;font-family:"Noto Sans Thai","Leelawadee UI","Sarabun",Tahoma,sans-serif}
@media(max-width:1080px){
  .lang a{min-width:34px;padding:5px 8px;font-size:.68rem}
}

@media(max-width:760px){
  .topbar{font-size:.655rem;letter-spacing:.06em}
  .topbar .container{height:auto;min-height:34px;flex-wrap:wrap;row-gap:3px;padding-top:7px;padding-bottom:7px}
  .topbar__right{gap:10px}
  .topbar__right a:first-child,.topbar__right .topbar__sep{display:none}
  .topbar a{white-space:nowrap}
  body.th .topbar{letter-spacing:0}
}