/* ============================================================
   fonts — self-hosted, subset to latin. CJK comes from Google
   Fonts because Noto Sans SC needs unicode-range subsetting.
   ============================================================ */
@font-face{
  font-family:'Archivo';font-style:normal;
  font-weight:100 900;font-stretch:62% 125%;font-display:swap;
  src:url('/assets/fonts/archivo-var.woff2') format('woff2-variations');
}
@font-face{
  font-family:'Instrument Sans';font-style:normal;
  font-weight:400 700;font-stretch:75% 100%;font-display:swap;
  src:url('/assets/fonts/instrument-var.woff2') format('woff2-variations');
}
@font-face{
  font-family:'IBM Plex Mono';font-style:normal;font-weight:400;font-display:swap;
  src:url('/assets/fonts/plexmono-400.woff2') format('woff2');
}
@font-face{
  font-family:'IBM Plex Mono';font-style:normal;font-weight:500 600;font-display:swap;
  src:url('/assets/fonts/plexmono-600.woff2') format('woff2');
}

/* ============================================================
   MIXS HOME — design tokens
   Direction: factory graphite dominant, cabinet-board cream as
   material panel, brass as the precision accent. Inverted from
   the usual cream-led furniture site on purpose.
   ============================================================ */

:root{
  /* colour */
  --graphite:#16181A;
  --slate:#1F2326;
  --slate-2:#2A2F33;
  --birch:#EFE7D9;
  --chalk:#F7F4EF;
  --brass:#B08A50;
  --brass-lit:#D6AE72;
  --brass-dim:#7C6039;
  --ink:#14161A;
  --ink-60:rgba(20,22,26,.62);
  --ink-40:rgba(20,22,26,.42);
  --paper-70:rgba(239,231,217,.72);
  --paper-45:rgba(239,231,217,.45);
  --paper-16:rgba(239,231,217,.16);
  --paper-08:rgba(239,231,217,.08);
  --wa:#1FA855;

  /* type */
  --display:'Archivo','Noto Sans SC',system-ui,sans-serif;
  --body:'Instrument Sans','Noto Sans SC',system-ui,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,monospace;

  /* metrics */
  --gut:clamp(20px,5vw,64px);
  --maxw:1280px;
  --sec-y:clamp(72px,10vw,140px);
  --r:3px;
}

html.lang-zh{ --display:'Noto Sans SC','Archivo',sans-serif; --body:'Noto Sans SC','Instrument Sans',sans-serif; }

/* ============================================================
   base
   ============================================================ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  margin:0;
  background:var(--graphite);
  color:var(--birch);
  font-family:var(--body);
  font-size:clamp(15px,1.02vw,17px);
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}

:focus-visible{outline:2px solid var(--brass-lit);outline-offset:3px;border-radius:2px}

.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gut);width:100%}
.wrap--narrow{max-width:920px}

.skiplink{
  position:absolute;left:-9999px;top:0;z-index:999;
  background:var(--brass);color:var(--graphite);
  padding:12px 18px;font-family:var(--mono);font-size:12px;
}
.skiplink:focus{left:12px;top:12px}

.num{font-family:var(--mono);font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ============================================================
   ticker
   ============================================================ */
.ticker{
  background:var(--brass-dim);color:var(--birch);
  overflow:hidden;border-bottom:1px solid rgba(0,0,0,.28);
}
.ticker__track{
  display:flex;gap:26px;align-items:center;white-space:nowrap;
  padding:7px var(--gut);
  font-family:var(--mono);font-size:11px;letter-spacing:.09em;text-transform:uppercase;
}
.ticker__dot{color:var(--brass-lit);font-size:8px}
@media (max-width:900px){
  .ticker__track{animation:slide 26s linear infinite;padding-inline:16px}
  @keyframes slide{from{transform:translateX(0)}to{transform:translateX(-42%)}}
}
@media (prefers-reduced-motion:reduce){.ticker__track{animation:none}}

/* ============================================================
   nav
   ============================================================ */
.nav{
  position:sticky;top:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:14px var(--gut);
  background:rgba(22,24,26,.86);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--paper-08);
}
.nav__brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.nav__mark{width:30px;height:30px;fill:var(--birch)}
.nav__mark-neg{fill:var(--graphite)}
.nav__word{display:flex;flex-direction:column;line-height:1.05}
.nav__word-en{font-family:var(--display);font-weight:800;font-size:15px;letter-spacing:.09em;font-stretch:112%}
.nav__word-zh{font-family:var(--mono);font-size:9.5px;letter-spacing:.28em;color:var(--brass-lit)}

.nav__links{display:flex;gap:30px;font-size:14px;color:var(--paper-70)}
.nav__links a{position:relative;padding-block:4px;transition:color .18s}
.nav__links a::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;
  background:var(--brass-lit);transition:width .28s ease;
}
.nav__links a:hover{color:var(--birch)}
.nav__links a:hover::after{width:100%}

.nav__tools{display:flex;align-items:center;gap:12px}

.langtoggle{display:flex;border:1px solid var(--paper-16);border-radius:2px;overflow:hidden}
.langtoggle__btn{
  background:none;border:0;cursor:pointer;white-space:nowrap;line-height:1.4;
  padding:6px 11px;font-family:var(--mono);font-size:11px;letter-spacing:.06em;
  color:var(--paper-45);transition:.18s;
}
.langtoggle__btn:hover{color:var(--birch)}
.langtoggle__btn.is-active{background:var(--brass);color:var(--graphite);font-weight:600}

.nav__burger{display:none;background:none;border:0;cursor:pointer;padding:8px;flex-direction:column;gap:5px}
.nav__burger span{display:block;width:22px;height:1.5px;background:var(--birch);transition:.24s}
.nav__burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.nav__burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav__burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}

.navmobile{
  position:sticky;top:59px;z-index:99;
  display:flex;flex-direction:column;
  background:var(--slate);border-bottom:1px solid var(--paper-08);
  padding:8px var(--gut) 18px;
}
.navmobile[hidden]{display:none}
.navmobile a{padding:13px 0;border-bottom:1px solid var(--paper-08);font-size:16px}
.navmobile a:last-child{border-bottom:0}

@media (max-width:1024px){
  .nav__links{display:none}
  .nav__burger{display:flex}
  .nav__cta span{display:none}
  .nav__cta{padding:9px 11px}
}
@media (max-width:560px){
  .nav{padding-inline:16px;gap:10px}
  .nav__word-en{font-size:13px}
  .nav__word-zh{font-size:8.5px}
  .nav__mark{width:26px;height:26px}
  .nav .nav__cta{display:none}
  .langtoggle__btn{padding:5px 9px;font-size:10.5px}
}

/* ============================================================
   buttons
   ============================================================ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 20px;border:1px solid transparent;border-radius:2px;
  font-family:var(--display);font-weight:600;font-size:14px;letter-spacing:.03em;
  cursor:pointer;transition:transform .16s,background .2s,border-color .2s,color .2s;
}
.btn:active{transform:translateY(1px)}
.btn__ico{width:17px;height:17px;fill:currentColor;flex-shrink:0}
.btn__ico--arrow{fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;transition:transform .22s}
.btn:hover .btn__ico--arrow{transform:translateX(4px)}

.btn--brass{background:var(--brass);color:#12130F}
.btn--brass:hover{background:var(--brass-lit)}
.btn--ghost{border-color:var(--paper-16);color:var(--birch)}
.btn--ghost:hover{border-color:var(--brass-lit);color:var(--brass-lit)}
.btn--wa{background:var(--wa);color:#fff}
.btn--wa:hover{background:#1a8f47}
.btn--lg{padding:16px 28px;font-size:15px}
.btn--block{width:100%}

.sec--birch .btn--ghost,.sec--chalk .btn--ghost{border-color:rgba(20,22,26,.2);color:var(--ink)}
.sec--birch .btn--ghost:hover,.sec--chalk .btn--ghost:hover{border-color:var(--brass-dim);color:var(--brass-dim)}

/* ============================================================
   hero
   ============================================================ */
.hero{
  padding:clamp(48px,7vw,96px) var(--gut) clamp(56px,7vw,104px);
  position:relative;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(900px 520px at 78% 22%,rgba(176,138,80,.13),transparent 62%);
}
.hero__grid{
  position:relative;max-width:var(--maxw);margin-inline:auto;
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.94fr);
  gap:clamp(32px,5vw,72px);align-items:center;
}

.eyebrow{
  display:flex;align-items:center;gap:12px;margin:0 0 22px;
  font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--brass-lit);
}
.eyebrow__rule{display:block;width:34px;height:1px;background:currentColor;opacity:.6;flex-shrink:0}
.eyebrow--dark{color:var(--brass-dim)}

.hero__h1{
  font-family:var(--display);font-weight:800;
  font-size:clamp(40px,6.6vw,84px);line-height:.94;letter-spacing:-.028em;
  font-stretch:108%;margin:0 0 26px;text-wrap:balance;
}
.hero__h1-line{display:block}
.hero__h1-line--accent{color:var(--brass-lit)}
html.lang-zh .hero__h1{letter-spacing:.01em;line-height:1.12;font-size:clamp(34px,5.4vw,66px)}

.hero__sub{
  max-width:52ch;color:var(--paper-70);font-size:clamp(15px,1.15vw,18px);
  margin:0 0 32px;
}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:44px}

.hero__stats{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;
  margin:0;padding-top:26px;border-top:1px solid var(--paper-16);
}
.hero__stat dt{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;
  color:var(--paper-45);margin-bottom:7px;
}
.hero__stat dd{margin:0;display:flex;align-items:baseline;gap:6px}
.hero__stat .num{font-size:clamp(21px,2.1vw,28px);font-weight:600;color:var(--birch)}
.hero__stat .unit{font-family:var(--mono);font-size:11px;color:var(--brass-lit)}

/* ---- SIGNATURE: shop elevation ---- */
.hero__draw{margin:0}
.elev{width:100%;height:auto;color:var(--birch)}

.elev__grid path{stroke:var(--paper-08);stroke-width:1;fill:none}

.elev__fill rect{fill:#2E3237;opacity:0;animation:fillin .6s ease forwards}
.elev__fill rect:nth-child(1){animation-delay:.9s;fill:#23272B}
.elev__fill-b{fill:#E3D9C6 !important}
.elev__fill-c{fill:#CFC2AA !important}
.elev__fill rect:nth-child(2){animation-delay:1.02s}
.elev__fill rect:nth-child(3){animation-delay:1.10s}
.elev__fill rect:nth-child(4){animation-delay:1.18s}
.elev__fill rect:nth-child(5){animation-delay:1.24s}
.elev__fill rect:nth-child(6){animation-delay:1.30s}
.elev__fill rect:nth-child(7){animation-delay:1.36s}
.elev__fill rect:nth-child(8){animation-delay:1.44s}
.elev__fill rect:nth-child(9){animation-delay:1.52s}
@keyframes fillin{to{opacity:1}}

.elev__line rect,.elev__line path{
  fill:none;stroke:var(--brass-lit);stroke-width:1.4;
  stroke-dasharray:2400;stroke-dashoffset:2400;
  animation:draw 1.5s cubic-bezier(.6,.05,.2,1) forwards;
}
.elev__line rect:nth-child(1){stroke-width:2.2;animation-delay:.1s}
.elev__line > *:nth-child(n+2){animation-delay:.55s;stroke-width:1.1;stroke:rgba(214,174,114,.75)}
@keyframes draw{to{stroke-dashoffset:0}}

.elev__dim path{
  fill:none;stroke:var(--paper-45);stroke-width:1;
  stroke-dasharray:1400;stroke-dashoffset:1400;
  animation:draw 1.1s ease forwards 1.5s;
}
.elev__dimtext text,.elev__note text{
  font-family:var(--mono);font-size:10px;letter-spacing:.1em;
  fill:var(--paper-45);opacity:0;animation:fillin .5s ease forwards 1.9s;
}
.elev__dimtext text{fill:var(--birch);font-size:11px;letter-spacing:.14em}
.elev__note path{
  fill:none;stroke:var(--brass);stroke-width:.8;stroke-dasharray:300;stroke-dashoffset:300;
  animation:draw .8s ease forwards 1.75s;
}
.elev__note text{fill:var(--brass-lit);font-size:8.5px;letter-spacing:.13em;animation-delay:2.1s}

@media (prefers-reduced-motion:reduce){
  .elev__line rect,.elev__line path,.elev__dim path,.elev__note path{stroke-dashoffset:0;animation:none}
  .elev__fill rect,.elev__dimtext text,.elev__note text{opacity:1;animation:none}
}

.hero__cap{
  display:flex;align-items:center;gap:10px;margin-top:14px;
  font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--paper-45);
}
.hero__cap-k{background:var(--paper-08);padding:3px 7px;color:var(--brass-lit)}

@media (max-width:900px){
  .hero__grid{grid-template-columns:1fr;gap:36px}
  .hero__draw{max-width:520px;margin-inline:auto;width:100%}
  .hero__stats{gap:14px}
}
@media (max-width:520px){
  .hero{padding-bottom:96px}
  .hero__stats{grid-template-columns:1fr;gap:0}
  .hero__stat{display:flex;justify-content:space-between;align-items:baseline;
    padding:11px 0;border-bottom:1px solid var(--paper-08)}
  .hero__stat dt{margin-bottom:0}
  .hero__stat .num{font-size:20px}
}

/* ============================================================
   sections
   ============================================================ */
.sec{padding-block:var(--sec-y)}
.sec--graphite{background:var(--graphite);color:var(--birch)}
.sec--birch{background:var(--birch);color:var(--ink)}
.sec--chalk{background:var(--chalk);color:var(--ink)}

.sechead{max-width:64ch;margin-bottom:clamp(38px,4.6vw,64px)}
.sechead__h{
  font-family:var(--display);font-weight:800;
  font-size:clamp(28px,3.9vw,50px);line-height:1.04;letter-spacing:-.02em;
  font-stretch:106%;margin:0 0 16px;text-wrap:balance;
}
html.lang-zh .sechead__h{letter-spacing:.005em;line-height:1.28}
.sechead__sub{margin:0;font-size:clamp(15px,1.1vw,17.5px);max-width:58ch}
.sec--graphite .sechead__sub{color:var(--paper-70)}
.sec--birch .sechead__sub,.sec--chalk .sechead__sub{color:var(--ink-60)}

/* ============================================================
   what we build — cards
   ============================================================ */
.cards{list-style:none;margin:0;padding:0;display:grid;gap:2px;grid-template-columns:repeat(4,minmax(0,1fr));background:rgba(20,22,26,.14)}
.card{background:var(--birch);display:flex;flex-direction:column;transition:background .25s}
.card:hover{background:var(--chalk)}
.card--wide{grid-column:span 4}
.card--wide .card__swatch{aspect-ratio:auto;min-height:112px}

.card__swatch{
  aspect-ratio:4/3;position:relative;overflow:hidden;
  display:grid;place-items:center;
}
.card__swatch::after{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(90deg,rgba(0,0,0,.06) 0 1px,transparent 1px 34px);
}
.card__glyph{
  position:relative;z-index:1;width:46%;aspect-ratio:3/4;
  border:1.4px solid rgba(255,255,255,.5);
  box-shadow:inset 0 0 0 1px rgba(0,0,0,.16);
}
.card--wide .card__glyph{aspect-ratio:6/1;width:60%}
.card__swatch--walnut{background:linear-gradient(158deg,#6B4A31,#3E2A1C)}
.card__swatch--oak{background:linear-gradient(158deg,#C6A87E,#96754D)}
.card__swatch--matte{background:linear-gradient(158deg,#DAD5CC,#A9A29A)}
.card__swatch--graphite{background:linear-gradient(158deg,#3A3E42,#1D2024)}
.card__swatch--brass{background:linear-gradient(158deg,#B08A50,#6E5330)}

.card__body{padding:24px 22px 30px;flex:1}
.card__idx{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;
  color:var(--brass-dim);margin:0 0 10px;
}
.card__body h3{
  font-family:var(--display);font-weight:700;font-size:19px;line-height:1.18;
  letter-spacing:-.008em;margin:0 0 9px;
}
.card__body p{margin:0;font-size:14.5px;color:var(--ink-60);line-height:1.58}

@media (max-width:980px){
  .cards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .card--wide{grid-column:span 2}
}
@media (max-width:560px){
  .cards{grid-template-columns:1fr}
  .card--wide{grid-column:span 1}
}

/* ============================================================
   factory — chains + specs
   ============================================================ */
.chains{display:grid;grid-template-columns:1fr 1fr;gap:2px;margin-bottom:2px}
.chain{
  background:var(--slate);padding:28px 26px 30px;border-top:2px solid var(--paper-16);
  display:flex;flex-direction:column;
}
.chain--us{border-top-color:var(--brass)}
.chain__label{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.15em;text-transform:uppercase;
  color:var(--paper-45);margin:0 0 20px;
}
.chain--us .chain__label{color:var(--brass-lit)}

/* vertical route rail — never wraps, reads the same on mobile */
.chain__list{
  list-style:none;margin:0 0 26px;padding:0 0 0 22px;position:relative;
}
.chain__list::before{
  content:"";position:absolute;left:4px;top:9px;bottom:9px;width:1px;
  background:var(--paper-16);
}
.chain--us .chain__list::before{background:rgba(176,138,80,.5)}
.chain__list li{
  position:relative;padding:8px 0;font-size:14px;color:var(--paper-70);
}
.chain__list li::before{
  content:"";position:absolute;left:-22px;top:50%;transform:translateY(-50%);
  width:9px;height:9px;border:1px solid var(--paper-45);background:var(--slate);border-radius:50%;
}
.chain--us .chain__list li::before{border-color:var(--brass)}
.chain__list .is-you{color:var(--brass-lit);font-weight:600}
.chain__list .is-you::before{background:var(--brass);border-color:var(--brass)}

.chain__price{margin:auto 0 0;display:flex;align-items:baseline;gap:9px}
.chain__price .num{font-size:clamp(30px,3.6vw,46px);font-weight:600;line-height:1}
.chain--them .chain__price .num{color:var(--paper-45)}
.chain--us .chain__price .num{color:var(--brass-lit)}
.chain__price .unit{font-family:var(--mono);font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--paper-45)}

.specs{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:2px}
.spec{background:var(--slate);padding:22px 24px 26px}
.spec__k{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.15em;text-transform:uppercase;
  color:var(--brass-lit);margin:0 0 9px;
}
.spec__v{margin:0;font-size:14.5px;color:var(--paper-70);line-height:1.55}

@media (max-width:860px){
  .chains{grid-template-columns:1fr}
  .specs{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){.specs{grid-template-columns:1fr}}

/* ============================================================
   process — steps (a genuine sequence, so numbering earns its place)
   ============================================================ */
.steps{list-style:none;margin:0;padding:0;counter-reset:s}
.step{
  display:grid;grid-template-columns:88px 1fr;gap:clamp(16px,3vw,44px);
  padding:26px 0;border-top:1px solid rgba(20,22,26,.13);
  align-items:start;
}
.step:last-child{border-bottom:1px solid rgba(20,22,26,.13)}
.step__n{
  font-family:var(--mono);font-size:clamp(24px,3vw,38px);font-weight:500;
  color:var(--brass);margin:0;line-height:1;letter-spacing:-.02em;
}
.step h3{font-family:var(--display);font-weight:700;font-size:clamp(19px,1.9vw,25px);letter-spacing:-.012em;margin:0 0 8px}
.step p{margin:0;color:var(--ink-60);max-width:62ch;font-size:15px}
.step__t{
  margin-top:10px !important;font-family:var(--mono);font-size:10.5px;
  letter-spacing:.15em;text-transform:uppercase;color:var(--brass-dim) !important;
}
@media (max-width:600px){.step{grid-template-columns:1fr;gap:10px}}

/* ============================================================
   estimator + job sheet
   ============================================================ */
.est{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:2px;align-items:start}
.est__form{background:var(--slate);padding:clamp(24px,3vw,40px);margin:0;display:grid;gap:34px}

.field{border:0;padding:0;margin:0;min-width:0}
.field__label{
  font-family:var(--mono);font-size:11px;letter-spacing:.15em;text-transform:uppercase;
  color:var(--brass-lit);margin:0 0 15px;padding:0;
}
.field__hint{margin:12px 0 0;font-size:13px;color:var(--paper-45)}

.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{position:relative;cursor:pointer}
.chip input{position:absolute;opacity:0;width:0;height:0}
.chip span{
  display:block;padding:10px 16px;border:1px solid var(--paper-16);border-radius:2px;
  font-size:14px;color:var(--paper-70);transition:.18s;
}
.chip:hover span{border-color:var(--paper-45);color:var(--birch)}
.chip input:checked + span{background:var(--brass);border-color:var(--brass);color:#12130F;font-weight:600}
.chip input:focus-visible + span{outline:2px solid var(--brass-lit);outline-offset:2px}

.slider{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.slider input[type=range]{
  -webkit-appearance:none;appearance:none;flex:1;min-width:180px;
  height:2px;background:var(--paper-16);border-radius:2px;cursor:pointer;
}
.slider input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;width:20px;height:20px;border-radius:50%;
  background:var(--brass);border:3px solid var(--slate);
  box-shadow:0 0 0 1px var(--brass);cursor:grab;
}
.slider input[type=range]::-moz-range-thumb{
  width:16px;height:16px;border-radius:50%;background:var(--brass);
  border:3px solid var(--slate);box-shadow:0 0 0 1px var(--brass);cursor:grab;
}
.slider__out{display:flex;align-items:baseline;gap:7px;flex-wrap:wrap}
.slider__out .num{font-size:30px;font-weight:600;color:var(--birch)}
.slider__out .unit{font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--brass-lit)}
.slider__m{font-family:var(--mono);font-size:11px;color:var(--paper-45)}

.tiers{display:grid;gap:8px}
.tier{cursor:pointer}
.tier input{position:absolute;opacity:0;width:0;height:0}
.tier__box{
  display:block;padding:14px 17px;border:1px solid var(--paper-16);border-radius:2px;transition:.18s;
}
.tier:hover .tier__box{border-color:var(--paper-45)}
.tier input:checked + .tier__box{border-color:var(--brass);background:rgba(176,138,80,.09)}
.tier input:focus-visible + .tier__box{outline:2px solid var(--brass-lit);outline-offset:2px}
.tier__n{
  display:block;font-family:var(--display);font-weight:700;font-size:15px;
  letter-spacing:.01em;margin-bottom:4px;
}
.tier input:checked + .tier__box .tier__n{color:var(--brass-lit)}
.tier__d{display:block;font-size:13.5px;color:var(--paper-45);line-height:1.5}

/* job sheet */
.sheet{
  background:var(--birch);color:var(--ink);
  padding:clamp(22px,2.6vw,32px);position:sticky;top:88px;
}
.sheet__head{
  display:flex;justify-content:space-between;align-items:baseline;gap:12px;
  padding-bottom:14px;border-bottom:2px solid var(--ink);margin-bottom:18px;
}
.sheet__title{font-family:var(--display);font-weight:800;font-size:16px;letter-spacing:.09em;text-transform:uppercase;margin:0}
.sheet__ref{font-family:var(--mono);font-size:11px;color:var(--ink-40);margin:0}

.sheet__rows{margin:0 0 22px}
.sheet__rows > div{
  display:flex;justify-content:space-between;gap:14px;
  padding:9px 0;border-bottom:1px dotted rgba(20,22,26,.22);
}
.sheet__rows dt{font-family:var(--mono);font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-40);flex-shrink:0}
.sheet__rows dd{margin:0;font-size:14px;font-weight:500;text-align:right}

.sheet__total{border-top:2px solid var(--ink);padding-top:16px;margin-bottom:18px}
.sheet__k{font-family:var(--mono);font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-40);margin:0 0 6px}
.sheet__amt{
  margin:0 0 6px;font-family:var(--mono);font-weight:600;
  font-size:clamp(24px,3vw,33px);letter-spacing:-.02em;line-height:1.1;
  font-variant-numeric:tabular-nums;
}
.sheet__amt .cur{font-size:.56em;margin-right:5px;color:var(--brass-dim)}
.sheet__amt .dash{color:var(--ink-40);margin-inline:5px}
.sheet__rate{margin:0;font-family:var(--mono);font-size:11.5px;color:var(--ink-60)}
.sheet__fine{margin:12px 0 0;font-size:11.5px;line-height:1.5;color:var(--ink-40)}

@media (max-width:900px){
  .est{grid-template-columns:1fr}
  .sheet{position:static}
}

/* ============================================================
   work
   ============================================================ */
.work{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:2px}
.work__item{background:var(--chalk)}
.work__img{
  aspect-ratio:4/5;position:relative;
  background-size:cover;background-position:center;
}
.work__img::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 46%,rgba(20,22,26,.42));
}
.work__img--a{background-image:linear-gradient(148deg,#6B4A31 0%,#4A3423 46%,#26190F 100%)}
.work__img--b{background-image:linear-gradient(148deg,#D6CFC4 0%,#A79E92 52%,#6E675F 100%)}
.work__img--c{background-image:linear-gradient(148deg,#3A3E42 0%,#25292D 50%,#121417 100%)}
.work__img--d{background-image:linear-gradient(148deg,#C6A87E 0%,#96754D 52%,#5A4429 100%)}
.work__meta{padding:16px 18px 22px}
.work__loc{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brass-dim);margin:0 0 6px;
}
.work__desc{margin:0;font-size:14.5px;font-weight:500}
@media (max-width:900px){.work{grid-template-columns:1fr 1fr}}

/* ============================================================
   faq
   ============================================================ */
.faq{border-top:1px solid rgba(20,22,26,.15)}
.faq__i{border-bottom:1px solid rgba(20,22,26,.15)}
.faq__i summary{
  list-style:none;cursor:pointer;padding:20px 44px 20px 0;position:relative;
  font-family:var(--display);font-weight:600;font-size:clamp(16px,1.5vw,19px);
  letter-spacing:-.008em;
}
.faq__i summary::-webkit-details-marker{display:none}
.faq__i summary::after{
  content:"";position:absolute;right:8px;top:50%;width:12px;height:12px;
  border-right:1.6px solid var(--brass-dim);border-bottom:1.6px solid var(--brass-dim);
  transform:translateY(-70%) rotate(45deg);transition:transform .24s;
}
.faq__i[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq__a{padding:0 44px 22px 0}
.faq__a p{margin:0;color:var(--ink-60);max-width:70ch}

/* ============================================================
   cta + footer
   ============================================================ */
.cta{
  background:var(--slate);padding-block:clamp(64px,8vw,110px);
  border-top:1px solid var(--paper-08);position:relative;overflow:hidden;
}
.cta::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(680px 380px at 22% 110%,rgba(176,138,80,.16),transparent 68%);
}
.cta .wrap{position:relative}
.cta__h{
  font-family:var(--display);font-weight:800;font-size:clamp(28px,4.4vw,56px);
  line-height:1.02;letter-spacing:-.024em;margin:0 0 14px;max-width:20ch;text-wrap:balance;
}
html.lang-zh .cta__h{line-height:1.24;letter-spacing:.005em}
.cta__sub{margin:0 0 30px;color:var(--paper-70);font-size:clamp(15px,1.1vw,17.5px)}
.cta__row{display:flex;flex-wrap:wrap;gap:12px}

.foot{background:var(--graphite);padding-top:clamp(48px,6vw,80px);border-top:1px solid var(--paper-08)}
.foot__grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:clamp(24px,3vw,48px);
  padding-bottom:44px;
}
.foot__brand .nav__mark{width:34px;height:34px;margin-bottom:14px}
.foot__name{font-family:var(--display);font-weight:800;font-size:17px;letter-spacing:.07em;margin:0 0 10px}
.foot__name span{font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:var(--brass-lit);margin-left:7px}
.foot__line{margin:0;font-size:13.5px;color:var(--paper-45);max-width:38ch}

.foot__col{display:flex;flex-direction:column;gap:9px}
.foot__k{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.15em;text-transform:uppercase;
  color:var(--brass-lit);margin:0 0 4px;
}
.foot__col a{font-size:13.5px;color:var(--paper-70);transition:color .18s;width:fit-content}
.foot__col a:hover{color:var(--brass-lit)}
.foot__addr{margin:0;font-size:13.5px;color:var(--paper-45)}

.foot__base{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  padding-block:20px 26px;border-top:1px solid var(--paper-08);
  font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:var(--paper-45);
}
.foot__base p{margin:0}
.foot__tag{color:var(--brass-dim);letter-spacing:.14em}

@media (max-width:860px){
  .foot__grid{grid-template-columns:1fr 1fr}
}
@media (max-width:520px){
  .foot__grid{grid-template-columns:1fr}
}

/* ============================================================
   floating whatsapp
   ============================================================ */
.fab{
  position:fixed;right:18px;bottom:18px;z-index:90;
  width:54px;height:54px;border-radius:50%;background:var(--wa);
  display:grid;place-items:center;
  box-shadow:0 8px 28px rgba(0,0,0,.42);
  transition:transform .2s;
}
.fab:hover{transform:scale(1.07)}
.fab svg{width:27px;height:27px;fill:#fff}
@media (min-width:1025px){.fab{display:none}}

/* ============================================================
   scroll reveal
   ============================================================ */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.3,1)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
}