/* TGL Building Design and Renovation — site styles. Single committed theme: dark bands +
   plaster sections, brass accent, condensed display type, serif wordmark as on the letterhead. */
:root {
  --ink: #121212;
  --charcoal: #1B1B1A;
  --charcoal-2: #262624;
  --plaster: #EFECE6;
  --stone: #E2DED5;
  --white: #FFFFFF;
  --brass: #C9A24A;
  --brass-light: #E6C97B;
  --brass-deep: #8A6B22;
  --text: #1A1A18;
  --text-mid: #5C5A54;
  --text-on-dark: #ECE9E2;
  --muted-on-dark: #A9A59B;
  --line-light: #D3CFC5;
  --line-dark: #34332F;
  --display: "Bebas Neue", "Barlow Condensed", "Arial Narrow", Impact, sans-serif;
  --body: "Barlow", "Helvetica Neue", Arial, sans-serif;
  --cond: "Barlow Condensed", "Arial Narrow", sans-serif;
  --mono: "IBM Plex Mono", "SFMono-Regular", Menlo, Consolas, monospace;
  --wordmark: "Tinos", "Times New Roman", Times, serif;
  --zh: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --wrap: 1160px;
  --radius: 4px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--plaster);
  color: var(--text);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
.site { display: block; min-height: 100vh; background: var(--plaster); color: var(--text); font-family: var(--body); font-size: 17px; line-height: 1.6; position: relative; }
.site[lang="zh-Hans"] { font-family: var(--zh); }
img, svg { max-width: 100%; }
a { color: inherit; }
p { margin: 0; }
p + p { margin-top: 1em; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0; font-weight: 400; line-height: 1.05; text-wrap: balance; }
h1, h2 { font-family: var(--display); letter-spacing: 0.01em; }
h3 { font-family: var(--display); font-size: 26px; letter-spacing: 0.02em; }
.site[lang="zh-Hans"] h1, .site[lang="zh-Hans"] h2, .site[lang="zh-Hans"] h3 { font-family: var(--zh); font-weight: 700; letter-spacing: -0.01em; line-height: 1.2; }
h1 { font-size: clamp(48px, 7.5vw, 96px); }
.site[lang="zh-Hans"] h1 { font-size: clamp(34px, 5.5vw, 64px); }
h2 { font-size: clamp(36px, 4.5vw, 56px); margin-bottom: 20px; }
.site[lang="zh-Hans"] h2 { font-size: clamp(28px, 3.4vw, 40px); }
.site[lang="zh-Hans"] h3 { font-size: 21px; }
.h-small { font-size: clamp(28px, 3vw, 36px); }
.site[lang="zh-Hans"] .h-small { font-size: 24px; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding-inline: 20px; }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.eyebrow {
  font-family: var(--cond); font-weight: 600; font-size: 13px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--brass-deep); margin: 0 0 12px;
}
.site[lang="zh-Hans"] .eyebrow { font-family: var(--zh); letter-spacing: 0.2em; font-weight: 500; }
.band-dark .eyebrow, .band-char .eyebrow, .hero .eyebrow, .page-head .eyebrow { color: var(--brass-light); }
.lede { font-size: 20px; line-height: 1.55; max-width: 62ch; color: var(--text-mid); }
.hero .lede, .page-head .lede { color: var(--muted-on-dark); }
.sub { max-width: 62ch; color: var(--text-mid); font-size: 18px; margin-bottom: 28px; margin-top: -6px; }
.note { font-size: 14px; color: var(--text-mid); margin-top: 18px; }
.todo { border-bottom: 1px dashed var(--brass); color: var(--brass-deep); font-family: var(--mono); font-size: 0.85em; cursor: help; }
.band-dark .todo, .site-footer .todo { color: var(--brass-light); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--brass); outline-offset: 2px;
}
.skip { position: absolute; left: -999px; top: 8px; background: var(--brass); color: var(--ink); padding: 8px 12px; z-index: 100; }
.skip:focus { left: 8px; }

/* ---------- brand: text wordmark */
.brand { display: flex; align-items: center; text-decoration: none; color: var(--text-on-dark); }
.brand-text, .preloader-text { display: flex; flex-direction: column; line-height: 1; font-family: var(--wordmark); font-weight: 700; }
.wm-1 { font-size: 30px; letter-spacing: .04em; color: var(--white); }
.wm-2 { font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--brass); margin-top: 5px; font-family: var(--cond); font-weight: 600; }

/* ---------- preloader (wordmark fades in, then the screen lifts away) */
.preloader { position: fixed; inset: 0; z-index: 200; background: var(--ink); color: var(--text-on-dark); display: grid; place-items: center; animation: preloader-out .6s var(--ease) 2.6s forwards; }
.preloader.done { animation: preloader-out .6s var(--ease) forwards; }
.preloader-inner { display: grid; justify-items: center; gap: 14px; }
.preloader-rule { display: block; width: 56px; height: 2px; background: var(--brass); animation: bar 1s var(--ease) both; margin-bottom: 6px; }
.preloader-text { text-align: center; align-items: center; animation: fade-up .8s var(--ease) .25s both; }
.preloader-text .wm-1 { font-size: 76px; }
.preloader-text .wm-2 { font-size: 15px; margin-top: 12px; }
.preloader-bar { display: block; width: 160px; height: 2px; background: var(--line-dark); position: relative; overflow: hidden; margin-top: 10px; }
.preloader-bar::after { content: ""; position: absolute; inset: 0; background: var(--brass); transform-origin: left; animation: bar 1.4s var(--ease) .2s both; }
@keyframes preloader-out { to { opacity: 0; visibility: hidden; transform: translateY(-2%); } }
@keyframes mark-in { from { opacity: 0; transform: scale(.85) translateY(10px); } to { opacity: 1; transform: none; } }
@keyframes fade-up { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@keyframes bar { from { transform: scaleX(0); } to { transform: scaleX(1); } }

/* ---------- scroll-reveal (fadeInUp / Left / Right / Down, like the reference) */
.js .anim { opacity: 0; transition: opacity .85s var(--ease), transform .85s var(--ease); transition-delay: var(--d, 0ms); will-change: opacity, transform; }
.js .anim-up { transform: translateY(34px); }
.js .anim-down { transform: translateY(-24px); }
.js .anim-left { transform: translateX(-44px); }
.js .anim-right { transform: translateX(44px); }
.js .anim.in { opacity: 1; transform: none; }

/* ---------- buttons */
.btn {
  display: inline-block; position: relative; overflow: hidden; isolation: isolate;
  font-family: var(--cond); font-weight: 600; font-size: 17px; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 13px 22px; border-radius: var(--radius); text-decoration: none; border: 2px solid transparent; line-height: 1.1; cursor: pointer;
  transition: color .2s ease, border-color .2s ease, transform .2s var(--ease);
}
.site[lang="zh-Hans"] .btn { font-family: var(--zh); letter-spacing: 0.06em; font-weight: 500; font-size: 16px; }
.btn::before { content: ""; position: absolute; inset: 0; z-index: -1; background: currentColor; opacity: 0; transform: translateX(-102%); transition: transform .35s var(--ease), opacity .2s; }
.btn-brass { background: var(--brass); color: var(--ink); border-color: var(--brass); }
.btn-brass::before { background: var(--brass-light); opacity: 1; }
.btn-brass:hover::before { transform: translateX(0); }
.btn-ghost { background: transparent; color: inherit; border-color: currentColor; }
.btn-ghost::before { opacity: .1; }
.btn-ghost:hover::before { transform: translateX(0); }
.btn:hover { transform: translateY(-1px); }
.btn-lg { font-size: 19px; padding: 16px 28px; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.more { font-family: var(--cond); font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; font-size: 15px; text-decoration: none; color: var(--brass-deep); }
.site[lang="zh-Hans"] .more { font-family: var(--zh); letter-spacing: 0.04em; }
.more span { display: inline-block; transition: transform .25s var(--ease); }
.more:hover span { transform: translateX(4px); }
.more:hover { text-decoration: underline; text-underline-offset: 4px; }

/* ---------- header (sticky, shrinks on scroll) */
.site-header { background: var(--ink); color: var(--text-on-dark); border-bottom: 1px solid var(--line-dark); position: sticky; top: 0; z-index: 50; transition: box-shadow .3s ease; }
.site-header.scrolled { box-shadow: 0 8px 30px rgba(0,0,0,.35); }
.header-row { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 84px; transition: min-height .3s var(--ease); }
.site-header.scrolled .header-row { min-height: 68px; }
.nav { display: flex; align-items: center; gap: 22px; }
.nav > a { text-decoration: none; font-family: var(--cond); font-weight: 600; font-size: 16px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-on-dark); padding: 6px 0; position: relative; }
.site[lang="zh-Hans"] .nav > a { font-family: var(--zh); letter-spacing: 0.08em; font-weight: 500; font-size: 15px; }
.nav > a:not(.btn)::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--brass); transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease); }
.nav > a:not(.btn):hover::after, .nav > a[aria-current="page"]::after { transform: scaleX(1); }
.nav > .btn { padding: 11px 18px; }
.nav-phone { font-family: var(--mono) !important; letter-spacing: 0 !important; text-transform: none !important; color: var(--brass-light) !important; }
.lang-switch { font-family: var(--zh) !important; font-weight: 500 !important; letter-spacing: 0.04em !important; text-transform: none !important; border: 1px solid var(--line-dark) !important; border-radius: var(--radius); padding: 6px 10px !important; }
.lang-switch::after { display: none !important; }
.lang-switch:hover { border-color: var(--brass) !important; }
.nav-toggle { display: none; background: none; border: 1px solid var(--line-dark); color: var(--text-on-dark); border-radius: var(--radius); padding: 8px 12px; font-family: var(--cond); font-size: 15px; letter-spacing: 0.1em; text-transform: uppercase; align-items: center; gap: 8px; cursor: pointer; }
.bars { display: inline-block; width: 18px; height: 2px; background: currentColor; box-shadow: 0 -6px 0 currentColor, 0 6px 0 currentColor; }

/* ---------- bands */
.band { padding-block: 72px; }
.band-light { background: var(--plaster); }
.band-white { background: var(--white); }
.band-dark { background: var(--ink); color: var(--text-on-dark); }
.band-char { background: var(--charcoal); color: var(--text-on-dark); }
.band-dark h2, .band-char h2, .band-dark h3, .band-char h3 { color: var(--white); }
.h-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.h-row h2 { margin-bottom: 0; }
.h-row + .proj-grid { margin-top: 28px; }

/* ---------- hero (video background when provided, otherwise a drafting board) */
.hero { position: relative; background: var(--ink); color: var(--text-on-dark); padding-block: 72px 0; overflow: hidden; isolation: isolate; }
.hero-bg { position: absolute; inset: 0; z-index: -1; }
.hero-video { width: 100%; height: 100%; object-fit: cover; opacity: .55; }
.hero-bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(18,18,18,.55), rgba(18,18,18,.85) 70%, var(--ink)); }
.hero-board { background-color: var(--ink);
  background-image: linear-gradient(rgba(201,162,74,.10) 1px, transparent 1px), linear-gradient(90deg, rgba(201,162,74,.10) 1px, transparent 1px),
                    linear-gradient(rgba(201,162,74,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(201,162,74,.05) 1px, transparent 1px);
  background-size: 120px 120px, 120px 120px, 24px 24px, 24px 24px; animation: board 40s linear infinite; }
.hero-board::after { background: radial-gradient(ellipse at 30% 40%, rgba(18,18,18,0) 0%, rgba(18,18,18,.7) 60%, var(--ink) 100%); }
@keyframes board { from { background-position: 0 0, 0 0, 0 0, 0 0; } to { background-position: 120px 120px, 120px 120px, 24px 24px, 24px 24px; } }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 48px; align-items: center; }
.hero h1 { color: var(--white); margin-bottom: 20px; }
.hero-art { position: relative; color: var(--brass-light); border: 1px solid var(--line-dark); background: rgba(27,27,26,.85); backdrop-filter: blur(2px); padding: 18px 18px 10px; }
.hero-art::before, .hero-art::after { content: ""; position: absolute; width: 14px; height: 14px; border: 1px solid var(--brass); }
.hero-art::before { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.hero-art::after { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }
.plate { display: flex; justify-content: space-between; gap: 12px; font-family: var(--mono); font-size: 12px; color: var(--muted-on-dark); margin-top: 6px; letter-spacing: 0.04em; }
.facts { display: flex; flex-wrap: wrap; gap: 10px 36px; margin-top: 44px; padding-block: 18px; border-top: 1px solid var(--line-dark); font-family: var(--cond); font-weight: 500; font-size: 15px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted-on-dark); }
.site[lang="zh-Hans"] .facts { font-family: var(--zh); letter-spacing: 0.08em; font-size: 14px; }
.facts li::before { content: "■"; color: var(--brass); font-size: 8px; vertical-align: 3px; margin-right: 10px; }

/* ---------- joinery drawings */
.elev { display: block; width: 100%; height: auto; overflow: visible; }
.elev rect, .elev line { fill: none; stroke: currentColor; stroke-width: 1.4; vector-effect: non-scaling-stroke; }
.elev .bench { fill: currentColor; fill-opacity: .9; stroke-width: 1; }
.elev .kick { stroke-width: 1; opacity: .45; }
.elev .floor { stroke-width: 2; }
.elev .h { stroke-width: 2.4; stroke-linecap: round; }
.elev .cook { stroke-width: 3; }
.elev .wall { stroke-width: 3; }
.elev .dim { stroke-width: 1; opacity: .7; }
.elev .ghost { stroke-dasharray: 4 4; opacity: .55; }
.elev .d { font-family: var(--mono); font-size: 11px; fill: currentColor; opacity: .85; letter-spacing: .04em; }
.elev.draw rect, .elev.draw line { stroke-dasharray: 1; stroke-dashoffset: 1; animation: draw .9s cubic-bezier(.4,0,.2,1) forwards; animation-delay: calc(var(--i, 0) * 14ms); }
.elev.draw .d { opacity: 0; animation: fade .5s ease forwards; animation-delay: 1.4s; }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes fade { to { opacity: .85; } }
.svc-art, .proj-art, .car-art { color: var(--brass-light); background: var(--ink); padding: 0; display: block; overflow: hidden; }
.svc-art .elev, .proj-art .elev, .car-art .elev { aspect-ratio: 640 / 380; transition: transform .6s var(--ease); }
.svc-art .photo, .proj-art .photo, .car-art .photo { transition: transform .6s var(--ease); }
.svc:hover .elev, .proj:hover .elev, .car-item:hover .elev, .svc:hover .photo, .proj:hover .photo, .car-item:hover .photo { transform: scale(1.05); }
.page-art { color: var(--brass-light); border: 1px solid var(--line-dark); background: rgba(27,27,26,.85); padding: 14px; }

/* ---------- photographs (they sit in the same frames the drawings used) */
.photo { display: block; width: 100%; height: auto; aspect-ratio: 3 / 2; object-fit: cover; background: var(--charcoal-2); }
.hero-art .photo, .page-art .photo, .proj-figure .photo { border: 1px solid var(--line-dark); }

/* ---------- intro + counters */
.intro-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 48px; align-items: center; }
.intro-grid p { max-width: 60ch; font-size: 18px; }
.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 28px; }
.stats li { display: grid; gap: 2px; padding: 14px 0 0; border-top: 2px solid var(--brass); }
.stat-n { font-family: var(--display); font-size: 64px; line-height: 1; color: var(--ink); font-variant-numeric: tabular-nums; }
.site[lang="zh-Hans"] .stat-n { font-family: var(--display); }
.stat-suf { font-family: var(--mono); font-size: 22px; color: var(--brass-deep); margin-left: 4px; }
.stat-l { color: var(--text-mid); font-size: 15px; }

/* ---------- services (all interior work as equal cards) */
.svc-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.svc { display: flex; flex-direction: column; gap: 10px; background: var(--white); border: 1px solid var(--line-light); transition: transform .3s var(--ease), box-shadow .3s ease, border-color .3s; }
.band-white .svc { background: var(--plaster); border-color: transparent; }
.svc:hover { transform: translateY(-4px); box-shadow: 0 18px 40px rgba(20,20,20,.12); border-color: var(--brass); }
.svc h3, .svc p, .svc .more { margin-inline: 20px; }
.svc h3 { margin-top: 6px; font-size: 24px; }
.site[lang="zh-Hans"] .svc h3 { font-size: 19px; }
.svc h3 a { text-decoration: none; transition: color .2s; }
.svc:hover h3 a { color: var(--brass-deep); }
.svc p { color: var(--text-mid); font-size: 15px; flex: 1; }
.svc .more { margin-bottom: 20px; }

/* ---------- portfolio carousel (autoplay, arrows, pause on hover) */
.portfolio { padding-bottom: 64px; }
.portfolio .h-row { margin-bottom: 28px; }
.car-nav { display: flex; gap: 8px; }
.car-btn { width: 46px; height: 46px; border: 1px solid var(--line-dark); background: transparent; color: var(--text-on-dark); border-radius: var(--radius); font-size: 20px; cursor: pointer; transition: background .2s, color .2s, border-color .2s; }
.car-btn:hover { background: var(--brass); color: var(--ink); border-color: var(--brass); }
.car { overflow: hidden; padding-inline: 20px; }
.car-track { display: flex; gap: 20px; transition: transform .7s var(--ease); will-change: transform; }
.car-item { flex: 0 0 calc((min(100vw, var(--wrap)) - 40px - 60px) / 4); text-decoration: none; color: var(--text-on-dark); display: grid; gap: 10px; }
.car-art { border: 1px solid var(--line-dark); background: var(--charcoal); }
.car-cap { display: flex; justify-content: space-between; gap: 12px; font-size: 14px; }
.car-cap .mono { color: var(--brass-light); font-size: 12px; }

/* ---------- projects */
.proj-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.proj { display: flex; flex-direction: column; text-decoration: none; background: var(--white); border: 1px solid var(--line-light); transition: transform .3s var(--ease), border-color .3s, box-shadow .3s ease; }
.band-white .proj { background: var(--plaster); border-color: transparent; }
.proj:hover { transform: translateY(-4px); border-color: var(--brass); box-shadow: 0 18px 40px rgba(20,20,20,.12); }
.proj-body { padding: 16px 22px 20px; display: grid; gap: 10px; }
.proj h3 { font-size: 23px; }
.site[lang="zh-Hans"] .proj h3 { font-size: 18px; }
.meta { display: flex; flex-wrap: wrap; gap: 6px 14px; font-family: var(--cond); font-size: 14px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-mid); }
.site[lang="zh-Hans"] .meta { font-family: var(--zh); letter-spacing: 0.04em; }
.band-tag { font-family: var(--mono) !important; letter-spacing: 0 !important; text-transform: none !important; color: var(--brass-deep); }
.band-tag::before { content: "▮ "; color: var(--brass); }

/* ---------- process */
.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 32px; border-top: 1px solid var(--line-dark); padding-top: 28px; }
.steps li { display: grid; gap: 10px; align-content: start; }
.steps .num { font-family: var(--mono); color: var(--brass); font-size: 14px; letter-spacing: .1em; }
.steps h3 { font-size: 26px; }
.steps p { color: var(--muted-on-dark); font-size: 16px; }

/* ---------- trust */
.trust { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 40px; border-top: 1px solid var(--line-light); }
.trust li { display: flex; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--line-light); align-items: baseline; }
.tick { color: var(--brass-deep); font-weight: 700; font-family: var(--mono); }
.band-dark .tick { color: var(--brass-light); }

/* ---------- CTA */
.cta h2 { max-width: 20ch; }
.cta p { color: var(--muted-on-dark); max-width: 60ch; font-size: 18px; }

/* ---------- page heads (inner pages) */
.page-head { background: var(--ink); color: var(--text-on-dark); padding-block: 56px 48px; border-bottom: 1px solid var(--line-dark); }
.page-head h1 { color: var(--white); font-size: clamp(42px, 6vw, 80px); margin-bottom: 14px; }
.site[lang="zh-Hans"] .page-head h1 { font-size: clamp(30px, 4.5vw, 52px); }
.page-head-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 48px; align-items: center; }
.crumb { display: inline-block; text-decoration: none; color: var(--muted-on-dark); font-family: var(--cond); letter-spacing: .08em; text-transform: uppercase; font-size: 14px; margin-bottom: 18px; }
.site[lang="zh-Hans"] .crumb { font-family: var(--zh); letter-spacing: .04em; }
.crumb:hover { color: var(--brass-light); }
.proj-meta { display: flex; flex-wrap: wrap; gap: 12px 40px; margin-top: 26px; padding-top: 18px; border-top: 1px solid var(--line-dark); }
.proj-meta div { display: grid; gap: 2px; }
.proj-meta dt { font-family: var(--cond); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted-on-dark); }
.site[lang="zh-Hans"] .proj-meta dt { font-family: var(--zh); letter-spacing: .1em; }
.proj-meta dd { margin: 0; font-size: 18px; color: var(--white); }

/* ---------- service detail */
.svc-detail { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 48px; align-items: start; }
.svc-items { display: grid; gap: 0; border-top: 1px solid var(--line-light); }
.svc-items > div { display: grid; grid-template-columns: 220px 1fr; gap: 8px 24px; padding: 18px 0; border-bottom: 1px solid var(--line-light); }
.svc-items h3 { font-size: 22px; }
.site[lang="zh-Hans"] .svc-items h3 { font-size: 18px; }
.svc-items p { color: var(--text-mid); font-size: 16px; }
.svc-aside { background: var(--plaster); padding: 24px; display: grid; gap: 18px; }
.spec { margin: 0; display: grid; gap: 14px; }
.spec div { display: grid; gap: 4px; }
.spec dt { font-family: var(--cond); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--brass-deep); }
.site[lang="zh-Hans"] .spec dt { font-family: var(--zh); letter-spacing: .1em; }
.spec dd { margin: 0; font-size: 15px; }
.range { font-family: var(--mono); font-size: 14px; padding-top: 14px; border-top: 1px solid var(--line-light); }

/* ---------- project detail */
.proj-detail { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 48px; align-items: start; }
.proj-figure { margin: 0; color: var(--brass-light); background: var(--ink); padding: 16px 16px 12px; }
.proj-figure figcaption { font-family: var(--mono); font-size: 12px; color: var(--muted-on-dark); margin-top: 10px; }
.scope li { padding: 10px 0; border-bottom: 1px solid var(--line-light); display: flex; gap: 12px; }
.scope li::before { content: "■"; color: var(--brass); font-size: 8px; line-height: 2.6; }

/* ---------- about */
.prose { max-width: 66ch; font-size: 18px; }
.prose h2 { margin-bottom: 12px; }
.prose + .trust { margin-top: 36px; }
.values { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 28px; border-top: 1px solid var(--line-light); padding-top: 24px; }
.values h3 { font-size: 24px; margin-bottom: 8px; }
.values p { color: var(--text-mid); font-size: 16px; }

/* ---------- quote form (multi-step) */
.quote-grid { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 40px; align-items: start; }
.quote-form { background: var(--white); padding: 24px 32px 32px; border: 1px solid var(--line-light); display: grid; gap: 8px; }
.stepper { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 8px; }
.stepper li { display: flex; align-items: center; gap: 8px; padding: 10px 0 12px; border-top: 3px solid var(--line-light); font-family: var(--cond); font-weight: 600; font-size: 14px; letter-spacing: .1em; text-transform: uppercase; color: var(--text-mid); transition: border-color .3s, color .3s; }
.site[lang="zh-Hans"] .stepper li { font-family: var(--zh); letter-spacing: .06em; font-weight: 500; }
.stepper li .mono { font-size: 12px; }
.stepper li.active { border-top-color: var(--brass); color: var(--ink); }
.stepper li.done { border-top-color: var(--brass-deep); color: var(--brass-deep); }
fieldset { border: 0; margin: 0; padding: 20px 0 8px; display: grid; gap: 16px; border-top: 1px solid var(--line-light); }
.js fieldset[data-step]:not(.active) { display: none; }
fieldset.active { animation: fade-up .45s var(--ease) both; }
legend { font-family: var(--mono); font-size: 12px; color: var(--brass-deep); letter-spacing: .1em; padding: 0; float: left; width: 100%; margin-bottom: -4px; }
.field { display: grid; gap: 6px; }
.field label { font-family: var(--cond); font-weight: 600; font-size: 14px; letter-spacing: .1em; text-transform: uppercase; color: var(--text-mid); }
.site[lang="zh-Hans"] .field label { font-family: var(--zh); letter-spacing: .06em; font-weight: 500; }
input[type="text"], input[type="tel"], input[type="email"], select, textarea {
  font: inherit; font-size: 17px; padding: 12px 14px; border: 1px solid var(--line-light); border-radius: var(--radius); background: var(--white); color: var(--text); width: 100%; transition: border-color .2s;
}
input:focus, select:focus, textarea:focus { border-color: var(--brass); }
select { appearance: none; -webkit-appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--text-mid) 50%), linear-gradient(135deg, var(--text-mid) 50%, transparent 50%); background-position: calc(100% - 20px) 50%, calc(100% - 14px) 50%; background-size: 6px 6px; background-repeat: no-repeat; padding-right: 40px; }
textarea { resize: vertical; min-height: 96px; }
.field.check { grid-template-columns: 22px 1fr; align-items: start; gap: 12px; }
.field.check label { text-transform: none; letter-spacing: 0; font-family: inherit; font-weight: 400; font-size: 15px; line-height: 1.5; }
.field.check input { width: 20px; height: 20px; margin-top: 2px; accent-color: var(--brass-deep); }
.step-actions { display: flex; justify-content: space-between; gap: 12px; padding-top: 18px; border-top: 1px solid var(--line-light); }
.step-actions [data-next], .step-actions #submit-btn { margin-left: auto; }
.estimate { display: grid; gap: 4px; background: var(--ink); color: var(--text-on-dark); padding: 18px 22px; margin-block: 4px 10px; border-left: 4px solid var(--brass); }
.est-label { font-family: var(--cond); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted-on-dark); }
.site[lang="zh-Hans"] .est-label { font-family: var(--zh); letter-spacing: .1em; }
.est-value { font-family: var(--mono); font-size: 26px; font-weight: 500; color: var(--brass-light); font-variant-numeric: tabular-nums; }
.est-value.empty { font-family: inherit; font-size: 16px; font-weight: 400; color: var(--muted-on-dark); }
.est-value.bump { animation: bump .4s var(--ease); }
@keyframes bump { 30% { transform: translateY(-3px); color: var(--white); } }
.est-note { font-size: 13px; color: var(--muted-on-dark); }
.privacy-note { font-size: 13px; color: var(--text-mid); }
.form-error { color: #B3261E; font-size: 15px; }
.form-done { background: var(--white); border: 1px solid var(--line-light); padding: 32px; display: grid; gap: 12px; }
.form-done h2 { margin-bottom: 0; }
.quote-side { display: grid; gap: 14px; align-content: start; }
.side-steps { counter-reset: s; display: grid; gap: 10px; margin-bottom: 20px; }
.side-steps li { display: grid; grid-template-columns: 28px 1fr; gap: 10px; align-items: baseline; counter-increment: s; }
.side-steps li::before { content: counter(s, decimal-leading-zero); font-family: var(--mono); color: var(--brass-deep); font-size: 13px; }
.contact { margin: 0; display: grid; gap: 0; border-top: 1px solid var(--line-light); }
.contact div { display: grid; grid-template-columns: 110px 1fr; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line-light); }
.contact dt { color: var(--text-mid); font-size: 14px; font-family: var(--cond); letter-spacing: .1em; text-transform: uppercase; padding-top: 3px; }
.site[lang="zh-Hans"] .contact dt { font-family: var(--zh); letter-spacing: .06em; }
.contact dd { margin: 0; }
.contact a { text-decoration: none; }
.contact a:hover { text-decoration: underline; text-underline-offset: 3px; }

/* ---------- footer */
.site-footer { background: var(--ink); color: var(--text-on-dark); padding-block: 56px 28px; border-top: 1px solid var(--line-dark); }
.foot-grid { display: grid; grid-template-columns: 1.3fr 1.2fr .8fr 1fr; gap: 40px; }
.foot-logo { display: flex; align-items: center; gap: 12px; }
.foot-logo .wm-1 { font-size: 40px; }
.foot-legal { color: var(--muted-on-dark); font-size: 14px; margin-top: 16px; line-height: 1.7; }
.foot-h { font-family: var(--cond); font-weight: 600; font-size: 13px; letter-spacing: .16em; text-transform: uppercase; color: var(--brass); margin-bottom: 14px; }
.site[lang="zh-Hans"] .foot-h { font-family: var(--zh); letter-spacing: .12em; font-weight: 500; }
.site-footer .contact { border-top-color: var(--line-dark); }
.site-footer .contact div { border-bottom-color: var(--line-dark); }
.site-footer .contact dt { color: var(--muted-on-dark); }
.foot-list { display: grid; gap: 8px; }
.foot-list a { text-decoration: none; color: var(--text-on-dark); transition: color .2s; }
.foot-list a:hover { color: var(--brass-light); }
.foot-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; margin-top: 44px; padding-top: 18px; border-top: 1px solid var(--line-dark); font-size: 13px; color: var(--muted-on-dark); }
.to-top { position: fixed; right: 20px; bottom: 20px; width: 46px; height: 46px; display: grid; place-items: center; background: var(--brass); color: var(--ink); text-decoration: none; border-radius: var(--radius); font-size: 20px; z-index: 40; box-shadow: 0 8px 24px rgba(0,0,0,.25); transition: transform .2s var(--ease), opacity .3s; }
.to-top:hover { transform: translateY(-3px); }

/* ---------- responsive */
@media (max-width: 1100px) {
  .svc-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .car-item { flex-basis: calc((100vw - 40px - 40px) / 3); }
}
@media (max-width: 980px) {
  .hero-grid, .page-head-grid, .intro-grid, .svc-detail, .proj-detail, .quote-grid { grid-template-columns: 1fr; }
  .svc-grid, .proj-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps, .values { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .car-item { flex-basis: calc((100vw - 40px - 20px) / 2); }
  .nav-toggle { display: inline-flex; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 100%; background: var(--charcoal); border-bottom: 1px solid var(--line-dark); padding: 16px 20px 22px; flex-direction: column; align-items: stretch; gap: 4px; }
  .nav.open { display: flex; }
  .nav > a { padding: 12px 4px; border-bottom: 1px solid var(--line-dark); }
  .nav > a:not(.btn)::after { display: none; }
  .nav > .btn { margin-top: 10px; text-align: center; }
  .lang-switch { align-self: flex-start; margin-top: 10px; }
}
@media (max-width: 600px) {
  .site, body { font-size: 16px; }
  .band { padding-block: 52px; }
  .svc-grid, .proj-grid, .steps, .values, .trust, .foot-grid, .stats { grid-template-columns: 1fr; }
  .svc-items > div, .contact div { grid-template-columns: 1fr; gap: 4px; }
  .quote-form { padding-inline: 18px; }
  .stepper li { font-size: 12px; }
  .hero { padding-top: 40px; }
  .facts { gap: 8px 22px; }
  .car-item { flex-basis: calc(100vw - 40px - 40px); }
  .stat-n { font-size: 52px; }
  .wm-1 { font-size: 24px; }
  .wm-2 { font-size: 10px; letter-spacing: .1em; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .preloader { display: none; }
  .js .anim { opacity: 1; transform: none; transition: none; }
  .elev.draw rect, .elev.draw line, .elev.draw .d { animation: none; stroke-dashoffset: 0; opacity: 1; }
  .elev.draw .d { opacity: .85; }
  .hero-board { animation: none; }
  .car-track { transition: none; }
  .proj, .svc, .btn, .elev, .photo { transition: none; }
}
@media print {
  .site-header, .site-footer, .cta, .nav-toggle, .preloader, .to-top, .portfolio { display: none; }
  .band, .page-head, .hero { padding-block: 24px; color: #000; background: #fff; }
}