/* =========================================================
   欣隆室內裝修 SHIN LUNG INTERIOR — Site stylesheet
   ========================================================= */

:root {
  --ink: #0E1626;
  --ink-2: #16213A;
  --ink-3: #22304D;
  --paper: #F4F1EC;
  --paper-2: #EAE5DC;
  --paper-3: #DDD6CA;
  --brass: #D4B27A;
  --brass-2: #B08D52;
  --text: #1B2230;
  --muted: #5D6573;
  --muted-light: rgba(244, 241, 236, .66);
  --line: rgba(27, 34, 48, .12);
  --line-light: rgba(244, 241, 236, .14);

  --serif: "Noto Serif TC", "Songti TC", "PMingLiU", serif;
  --sans: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
  --latin: "Cormorant Garamond", "Times New Roman", serif;

  --wrap: 1280px;
  --gutter: clamp(20px, 5vw, 64px);
  --radius: 4px;
  --ease: cubic-bezier(.22, .8, .2, 1);
  --header-h: 84px;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.85;
  color: var(--text);
  background: var(--paper);
  letter-spacing: .02em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg, canvas { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, h4 { margin: 0; font-family: var(--serif); font-weight: 700; line-height: 1.3; letter-spacing: .04em; }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; list-style: none; }
:focus-visible { outline: 2px solid var(--brass); outline-offset: 3px; }
::selection { background: var(--brass); color: var(--ink); }

.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; left: 16px; top: -60px; z-index: 200; background: var(--brass); color: var(--ink); padding: 10px 16px; border-radius: var(--radius); }
.skip-link:focus { top: 16px; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }

/* ---------- typography helpers ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 14px;
  font-family: var(--latin); font-size: 15px; font-style: italic; font-weight: 500;
  letter-spacing: .22em; text-transform: uppercase; color: var(--brass-2);
  margin-bottom: 22px;
}
.eyebrow::before { content: ""; width: 42px; height: 1px; background: currentColor; }
.section--dark .eyebrow, .page-hero .eyebrow, .hero .eyebrow { color: var(--brass); }

.display { font-size: clamp(40px, 6.4vw, 96px); font-weight: 900; letter-spacing: .06em; line-height: 1.18; }
.h2 { font-size: clamp(30px, 3.8vw, 54px); letter-spacing: .06em; }
.h3 { font-size: clamp(21px, 1.8vw, 26px); }
.lead { font-size: clamp(17px, 1.35vw, 20px); line-height: 2; color: var(--muted); }
.section--dark .lead, .page-hero .lead { color: var(--muted-light); }
.gold { color: var(--brass); }
.latin { font-family: var(--latin); font-style: italic; }

/* ---------- buttons ---------- */
.btn {
  position: relative; display: inline-flex; align-items: center; gap: 12px;
  padding: 16px 30px; border: 1px solid currentColor; border-radius: 999px;
  font-size: 15px; font-weight: 500; letter-spacing: .14em; line-height: 1;
  overflow: hidden; isolation: isolate; cursor: pointer; background: transparent;
  transition: color .5s var(--ease), border-color .5s var(--ease);
}
.btn::before {
  content: ""; position: absolute; inset: 0; z-index: -1; border-radius: inherit;
  background: var(--brass); transform: translateY(101%); transition: transform .55s var(--ease);
}
.btn:hover::before, .btn:focus-visible::before { transform: translateY(0); }
.btn:hover, .btn:focus-visible { color: var(--ink); border-color: var(--brass); }
.btn--solid { background: var(--brass); border-color: var(--brass); color: var(--ink); }
.btn--solid::before { background: var(--paper); }
.btn--dark { color: var(--ink); }
.arrow { width: 18px; height: 10px; flex-shrink: 0; }
.btn .arrow, .link-line .arrow { transition: transform .5s var(--ease); }
.link-line { white-space: nowrap; }
.link-line:hover .arrow { transform: translateX(5px); }
.btn:hover .arrow { transform: translateX(5px); }

.link-line {
  position: relative; display: inline-flex; align-items: center; gap: 10px;
  font-size: 15px; letter-spacing: .14em; padding-bottom: 6px;
}
.link-line::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: currentColor;
  transform-origin: right; transition: transform .6s var(--ease);
}
.link-line:hover::after { transform: scaleX(0); }

/* ---------- header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto; z-index: 100; height: var(--header-h);
  color: var(--paper); transition: background .5s var(--ease), height .5s var(--ease), box-shadow .5s;
}
.site-header.is-scrolled {
  --header-h: 68px;
  background: rgba(14, 22, 38, .82);
  -webkit-backdrop-filter: blur(14px) saturate(140%); backdrop-filter: blur(14px) saturate(140%);
  box-shadow: 0 1px 0 var(--line-light);
}
.site-header .wrap { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; max-width: 1440px; }
.brand { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.brand img { width: 42px; height: 42px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { font-family: var(--serif); font-size: 19px; letter-spacing: .18em; font-weight: 700; }
.brand-text span { font-family: var(--latin); font-size: 11.5px; letter-spacing: .32em; opacity: .7; text-transform: uppercase; }

.nav { display: flex; align-items: center; gap: clamp(18px, 2.2vw, 36px); }
.nav a:not(.btn) { position: relative; font-size: 15px; letter-spacing: .14em; padding: 6px 0; opacity: .86; transition: opacity .3s; }
.nav a:not(.btn)::after {
  content: ""; position: absolute; left: 50%; bottom: 0; width: 0; height: 1px; background: var(--brass);
  transition: width .5s var(--ease), left .5s var(--ease);
}
.nav a:not(.btn):hover, .nav a[aria-current="page"] { opacity: 1; }
.nav a:not(.btn):hover::after, .nav a[aria-current="page"]::after { width: 100%; left: 0; }
.nav .btn { padding: 12px 22px; font-size: 14px; }

.menu-toggle {
  display: none; width: 46px; height: 46px; border: 1px solid var(--line-light); border-radius: 50%;
  background: transparent; cursor: pointer; position: relative; z-index: 120;
}
.menu-toggle span { position: absolute; left: 13px; right: 13px; height: 1.5px; background: currentColor; transition: transform .45s var(--ease), opacity .3s; }
.menu-toggle span:nth-child(1) { top: 17px; }
.menu-toggle span:nth-child(2) { top: 22.5px; }
.menu-toggle span:nth-child(3) { top: 28px; }
.menu-open .menu-toggle span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.menu-open .menu-toggle span:nth-child(2) { opacity: 0; }
.menu-open .menu-toggle span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

/* ---------- hero (home) ---------- */
.hero {
  position: relative; min-height: 100vh; min-height: 100svh; display: flex; align-items: center;
  background: radial-gradient(120% 90% at 75% 40%, #1A2742 0%, var(--ink) 58%, #090F1B 100%);
  color: var(--paper); overflow: hidden; isolation: isolate;
}
.hero canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero #hero-3d { z-index: 0; }
.hero .flow-canvas { z-index: 1; mix-blend-mode: screen; opacity: .3; pointer-events: none; }
.hero.has-3d { cursor: crosshair; }
.hero-hint { display: inline-flex; align-items: center; gap: 10px; }
.hero-hint b { display: inline-block; width: 8px; height: 8px; border: 1px solid var(--brass); transform: rotate(45deg); }
.hero-content { will-change: transform; }
.hero h1 .gold { text-shadow: 0 0 40px rgba(212, 178, 122, .45); }
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: 2; pointer-events: none;
  background: linear-gradient(90deg, rgba(7, 12, 23, .88) 0%, rgba(7, 12, 23, .45) 38%, rgba(7, 12, 23, 0) 62%),
              linear-gradient(0deg, rgba(9, 15, 27, .7) 0%, rgba(9, 15, 27, 0) 30%);
}
.hero .wrap { position: relative; z-index: 3; max-width: 1440px; padding-top: var(--header-h); }
.hero-content { max-width: 760px; }
.hero h1 { margin-bottom: 30px; }
.hero h1 .line { display: block; overflow: hidden; padding-bottom: .06em; }
.hero h1 .line > span { display: inline-block; }
[data-split] br { display: block; }
.hero .lead { max-width: 560px; margin-bottom: 44px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; }
.hero-meta {
  position: absolute; z-index: 3; left: 0; right: 0; bottom: 36px;
  display: flex; justify-content: space-between; align-items: flex-end; gap: 20px;
  font-size: 13px; letter-spacing: .18em; color: var(--muted-light);
}
.hero-meta .wrap { display: flex; justify-content: space-between; align-items: flex-end; padding-top: 0; }
.scroll-cue { display: flex; align-items: center; gap: 14px; }
.scroll-cue i { position: relative; width: 1px; height: 56px; background: var(--line-light); overflow: hidden; }
.scroll-cue i::after { content: ""; position: absolute; left: 0; top: -40%; width: 1px; height: 40%; background: var(--brass); animation: cue 2.2s var(--ease) infinite; }
@keyframes cue { to { top: 100%; } }

/* ---------- page hero (inner pages) ---------- */
.page-hero {
  position: relative; padding: calc(var(--header-h) + clamp(80px, 12vw, 160px)) 0 clamp(70px, 9vw, 120px);
  background: radial-gradient(100% 120% at 80% 0%, #1C2A47 0%, var(--ink) 60%);
  color: var(--paper); overflow: hidden; isolation: isolate;
}
.page-hero .flow-canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; opacity: .85; }
.page-hero h1 { font-size: clamp(38px, 5.6vw, 80px); font-weight: 900; letter-spacing: .08em; margin-bottom: 22px; }
.page-hero .lead { max-width: 640px; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 10px; font-size: 13px; letter-spacing: .14em; color: var(--muted-light); margin-bottom: 30px; }
.breadcrumb li + li::before { content: "／"; margin-right: 10px; opacity: .5; }
.breadcrumb a:hover { color: var(--brass); }

/* ---------- sections ---------- */
.section { position: relative; padding: clamp(90px, 11vw, 170px) 0; }
.section--tight { padding: clamp(70px, 8vw, 110px) 0; }
.section--dark { background: var(--ink); color: var(--paper); }
.section--paper2 { background: var(--paper-2); }
.section-head { display: grid; grid-template-columns: 1fr 1fr; gap: 40px 80px; align-items: end; margin-bottom: clamp(50px, 6vw, 90px); }
.section-head .lead { margin: 0; }
.section-head--center { grid-template-columns: 1fr; text-align: center; justify-items: center; }
.section-head--center .lead { max-width: 640px; }
.section-num {
  position: absolute; top: clamp(40px, 6vw, 80px); right: var(--gutter);
  font-family: var(--latin); font-style: italic; font-size: clamp(90px, 14vw, 220px); line-height: .8;
  color: transparent; -webkit-text-stroke: 1px var(--line); pointer-events: none; user-select: none;
}
.section--dark .section-num { -webkit-text-stroke-color: var(--line-light); }

/* ---------- marquee ---------- */
.marquee { overflow: hidden; border-block: 1px solid var(--line); background: var(--paper); padding: 26px 0; }
.marquee-track { display: flex; width: max-content; gap: 56px; white-space: nowrap; will-change: transform; }
.marquee-track span { display: inline-flex; align-items: center; gap: 56px; font-family: var(--serif); font-size: clamp(22px, 2.6vw, 36px); font-weight: 500; letter-spacing: .12em; color: var(--text); }
.marquee-track span::after { content: ""; width: 10px; height: 10px; border: 1px solid var(--brass-2); transform: rotate(45deg); }
.marquee-track span:nth-child(even) { color: transparent; -webkit-text-stroke: 1px var(--text); }
.marquee-track { animation: marquee 40s linear infinite; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- intro / about split ---------- */
.split { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(40px, 7vw, 110px); align-items: center; }
.split--reverse > :first-child { order: 2; }
.frame {
  position: relative; border-radius: var(--radius); overflow: hidden; background: var(--paper-2);
  box-shadow: 0 40px 80px -40px rgba(14, 22, 38, .35);
}
.frame img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.06); }
.frame::after { content: ""; position: absolute; inset: 14px; border: 1px solid rgba(255, 255, 255, .55); pointer-events: none; border-radius: 2px; }
.frame-tag {
  position: absolute; left: 0; bottom: 0; z-index: 2; background: var(--ink); color: var(--paper);
  padding: 16px 22px; font-size: 13px; letter-spacing: .16em;
}
.frame-tag b { color: var(--brass); font-family: var(--latin); font-style: italic; font-size: 20px; margin-right: 10px; font-weight: 500; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); margin-top: clamp(60px, 7vw, 100px); }
.stat { padding: 34px 24px 0 0; }
.stat + .stat { padding-left: 24px; border-left: 1px solid var(--line); }
.stat-num { font-family: var(--latin); font-size: clamp(54px, 6vw, 88px); line-height: 1; font-weight: 500; color: var(--text); display: flex; align-items: baseline; gap: 6px; }
.stat-num small { font-family: var(--serif); font-size: 18px; color: var(--brass-2); }
.stat p { margin: 14px 0 0; font-size: 15px; color: var(--muted); letter-spacing: .1em; }

/* ---------- services ---------- */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line-light); border-left: 1px solid var(--line-light); }
.service-card {
  position: relative; display: flex; flex-direction: column; min-height: 380px; padding: 44px 38px 40px;
  border-right: 1px solid var(--line-light); border-bottom: 1px solid var(--line-light);
  overflow: hidden; isolation: isolate; transition: color .5s var(--ease);
}
.service-card::before {
  content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(160deg, var(--ink-3), var(--ink-2));
  opacity: 0; transition: opacity .6s var(--ease);
}
.service-card:hover::before { opacity: 1; }
.service-card .idx { font-family: var(--latin); font-style: italic; font-size: 18px; color: var(--brass); letter-spacing: .1em; }
.service-icon { width: 64px; height: 64px; margin: 34px 0 30px; }
.service-icon path, .service-icon line, .service-icon rect, .service-icon polyline, .service-icon circle { fill: none; stroke: var(--brass); stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.service-card h3 { font-size: 24px; margin-bottom: 14px; letter-spacing: .1em; }
.service-card p { color: var(--muted-light); font-size: 15.5px; line-height: 1.95; margin: 0 0 28px; }
.service-card .link-line { margin-top: auto; align-self: flex-start; color: var(--brass); font-size: 14px; }
.service-card--cta { justify-content: center; background: var(--brass); color: var(--ink); }
.service-card--cta::before { display: none; }
.service-card--cta h3 { font-size: 30px; }
.service-card--cta p { color: rgba(14, 22, 38, .75); }

/* ---------- projects horizontal ---------- */
.projects { overflow: hidden; }
.projects-pin { position: relative; }
.projects-track { display: flex; gap: clamp(24px, 3vw, 48px); padding: 0 var(--gutter); width: max-content; will-change: transform; }
.project-card { position: relative; width: clamp(300px, 38vw, 560px); flex-shrink: 0; }
.project-card .frame { aspect-ratio: 3 / 2; }
.project-card .frame img { transition: transform 1.2s var(--ease); }
.project-card:hover .frame img { transform: scale(1.12); }
.project-meta { display: flex; justify-content: space-between; gap: 20px; margin-top: 22px; }
.project-meta h3 { font-size: 21px; letter-spacing: .08em; }
.project-meta .tag { flex-shrink: 0; font-size: 13px; letter-spacing: .12em; color: var(--brass-2); padding-top: 4px; }
.project-card .client { font-size: 14.5px; color: var(--muted); margin-top: 6px; }
.projects-progress { height: 1px; background: var(--line); margin: 56px var(--gutter) 0; position: relative; }
.projects-progress span { position: absolute; left: 0; top: -1px; height: 3px; width: 0; background: var(--brass-2); }
.projects-foot { display: flex; justify-content: space-between; align-items: center; margin: 34px var(--gutter) 0; font-size: 13px; letter-spacing: .2em; color: var(--muted); }

/* ---------- process ---------- */
.process { position: relative; }
.process-line { position: absolute; left: 50%; top: 0; bottom: 0; width: 2px; transform: translateX(-50%); }
.process-line svg { width: 2px; height: 100%; overflow: visible; }
.process-steps { position: relative; display: grid; gap: clamp(40px, 6vw, 80px); }
.step { display: grid; grid-template-columns: 1fr 120px 1fr; align-items: center; }
.step-body { max-width: 440px; }
.step:nth-child(odd) .step-body { grid-column: 1; justify-self: end; text-align: right; }
.step:nth-child(even) .step-body { grid-column: 3; justify-self: start; }
.step-dot {
  grid-column: 2; grid-row: 1; justify-self: center; width: 64px; height: 64px; border-radius: 50%;
  display: grid; place-items: center; background: var(--paper); border: 1px solid var(--brass-2);
  font-family: var(--latin); font-style: italic; font-size: 22px; color: var(--brass-2); position: relative; z-index: 1;
}
.section--dark .step-dot { background: var(--ink); border-color: var(--brass); color: var(--brass); }
.step h3 { font-size: 23px; margin-bottom: 10px; letter-spacing: .1em; }
.step p { color: var(--muted); margin: 0; font-size: 15.5px; }
.section--dark .step p { color: var(--muted-light); }
.step .dur { display: inline-block; margin-top: 12px; font-size: 13px; letter-spacing: .14em; color: var(--brass-2); }
.section--dark .step .dur { color: var(--brass); }

/* ---------- why / pillars ---------- */
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(24px, 3vw, 48px); }
.pillar { padding-top: 34px; border-top: 1px solid var(--text); }
.pillar .num { font-family: var(--latin); font-style: italic; font-size: 16px; color: var(--brass-2); letter-spacing: .14em; }
.pillar h3 { font-size: 25px; margin: 18px 0 16px; letter-spacing: .1em; }
.pillar p { color: var(--muted); font-size: 15.5px; margin: 0; }

/* ---------- client wall ---------- */
.clients { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.client-cell { display: grid; place-items: center; text-align: center; min-height: 140px; padding: 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); font-family: var(--serif); font-size: 16px; letter-spacing: .08em; line-height: 1.6; color: var(--text); transition: background .5s var(--ease); }
.client-cell:hover { background: var(--paper-2); }
.client-cell small { display: block; font-family: var(--sans); font-size: 12.5px; color: var(--muted); letter-spacing: .12em; margin-top: 6px; }

/* ---------- CTA band ---------- */
.cta-band { position: relative; overflow: hidden; isolation: isolate; background: var(--ink); color: var(--paper); padding: clamp(100px, 12vw, 180px) 0; text-align: center; }
.cta-band .flow-canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; }
.cta-band h2 { font-size: clamp(34px, 5vw, 72px); font-weight: 900; letter-spacing: .08em; margin-bottom: 24px; }
.cta-band .lead { max-width: 620px; margin: 0 auto 46px; }
.cta-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 16px; }
.cta-phone { display: block; margin-top: 46px; font-family: var(--latin); font-size: clamp(34px, 4.4vw, 60px); letter-spacing: .06em; color: var(--brass); }
.cta-phone:hover { color: var(--paper); }

/* ---------- footer ---------- */
.site-footer { background: #090F1B; color: var(--muted-light); padding: 90px 0 40px; font-size: 15px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 50px; padding-bottom: 60px; border-bottom: 1px solid var(--line-light); }
.footer-grid h2 { font-family: var(--sans); font-size: 13px; letter-spacing: .26em; color: var(--brass); margin-bottom: 22px; font-weight: 500; }
.footer-grid li + li { margin-top: 10px; }
.footer-grid a:hover { color: var(--paper); }
.footer-brand p { margin: 22px 0 0; max-width: 320px; line-height: 2; }
.footer-brand .brand { color: var(--paper); }
.footer-info dt { font-size: 12.5px; letter-spacing: .2em; opacity: .55; }
.footer-info dd { margin: 2px 0 14px; color: var(--paper); }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 14px; padding-top: 30px; font-size: 13px; letter-spacing: .1em; opacity: .7; }

/* ---------- about page ---------- */
.timeline { position: relative; border-left: 1px solid var(--line); margin-left: 8px; }
.timeline li { position: relative; padding: 0 0 46px 44px; }
.timeline li::before { content: ""; position: absolute; left: -6px; top: 10px; width: 11px; height: 11px; border-radius: 50%; background: var(--paper); border: 1px solid var(--brass-2); }
.timeline time { font-family: var(--latin); font-style: italic; font-size: 26px; color: var(--brass-2); }
.timeline h3 { font-size: 21px; margin: 4px 0 8px; }
.timeline p { color: var(--muted); margin: 0; }

.info-table { width: 100%; border-collapse: collapse; font-size: 16px; }
.info-table th, .info-table td { text-align: left; padding: 18px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.info-table th { width: 32%; font-weight: 500; color: var(--muted); letter-spacing: .14em; font-size: 14.5px; }

.values { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line-light); border: 1px solid var(--line-light); }
.value { background: var(--ink); padding: 48px 44px; }
.value .latin { color: var(--brass); font-size: 18px; letter-spacing: .1em; }
.value h3 { font-size: 26px; margin: 14px 0 14px; letter-spacing: .1em; }
.value p { color: var(--muted-light); margin: 0; }

/* ---------- services page ---------- */
.svc-detail { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(40px, 6vw, 100px); padding: clamp(70px, 8vw, 120px) 0; border-top: 1px solid var(--line); scroll-margin-top: 80px; }
.svc-detail:first-child { border-top: 0; padding-top: 0; }
.svc-detail .sticky { position: sticky; top: 120px; align-self: start; }
.svc-detail .idx { font-family: var(--latin); font-style: italic; font-size: clamp(60px, 7vw, 110px); line-height: 1; color: var(--brass-2); }
.svc-detail h2 { font-size: clamp(30px, 3.2vw, 44px); margin: 18px 0 18px; letter-spacing: .08em; }
.svc-detail .sub { font-size: 14px; letter-spacing: .2em; color: var(--muted); }
.check-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px 30px; margin: 32px 0; }
.check-list li { position: relative; padding-left: 30px; font-size: 16px; }
.check-list li::before { content: ""; position: absolute; left: 0; top: .78em; width: 16px; height: 1px; background: var(--brass-2); }
.svc-detail .frame { aspect-ratio: 3 / 2; margin-top: 10px; }
.fit-box { background: var(--paper-2); padding: 28px 30px; border-left: 2px solid var(--brass-2); margin-top: 30px; }
.fit-box h3 { font-size: 17px; letter-spacing: .14em; margin-bottom: 8px; }
.fit-box p { margin: 0; color: var(--muted); font-size: 15.5px; }
.svc-nav { position: sticky; top: var(--header-h); z-index: 20; background: rgba(244, 241, 236, .92); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.svc-nav ul { display: flex; gap: 8px; overflow-x: auto; padding: 14px 0; scrollbar-width: none; }
.svc-nav a { display: block; white-space: nowrap; padding: 8px 18px; border-radius: 999px; font-size: 14px; letter-spacing: .1em; border: 1px solid transparent; transition: border-color .3s, background .3s; }
.svc-nav a:hover, .svc-nav a.is-active { border-color: var(--brass-2); background: #fff; }

/* ---------- projects page ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 56px; }
.filter-btn { padding: 11px 22px; border-radius: 999px; border: 1px solid var(--line); background: transparent; cursor: pointer; font-size: 14.5px; letter-spacing: .12em; transition: all .4s var(--ease); }
.filter-btn:hover { border-color: var(--brass-2); }
.filter-btn.is-active { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.case-list { display: grid; gap: clamp(70px, 9vw, 130px); }
.case { display: grid; grid-template-columns: 1.25fr 1fr; gap: clamp(36px, 5vw, 80px); align-items: center; }
.case:nth-child(even) .case-media { order: 2; }
.case-media .frame { aspect-ratio: 3 / 2; }
.case .idx { font-family: var(--latin); font-style: italic; color: var(--brass-2); font-size: 18px; letter-spacing: .14em; }
.case h2 { font-size: clamp(26px, 2.6vw, 36px); margin: 14px 0 22px; letter-spacing: .06em; }
.case dl { display: grid; grid-template-columns: 96px 1fr; gap: 10px 20px; margin: 0 0 26px; font-size: 15.5px; }
.case dt { color: var(--muted); letter-spacing: .14em; font-size: 14px; padding-top: 2px; }
.case dd { margin: 0; }
.case p { color: var(--muted); }
.case.is-hidden { display: none; }
.note { font-size: 14px; color: var(--muted); border-top: 1px solid var(--line); padding-top: 24px; margin-top: 70px; }

/* ---------- FAQ ---------- */
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  display: flex; justify-content: space-between; align-items: center; gap: 24px; cursor: pointer; list-style: none;
  padding: 28px 0; font-family: var(--serif); font-size: clamp(18px, 1.6vw, 22px); font-weight: 600; letter-spacing: .06em;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary i { position: relative; width: 22px; height: 22px; flex-shrink: 0; }
.faq summary i::before, .faq summary i::after { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 1px; background: var(--brass-2); transition: transform .45s var(--ease); }
.faq summary i::after { transform: rotate(90deg); }
.faq details[open] summary i::after { transform: rotate(0deg); }
.faq .answer { padding: 0 60px 30px 0; color: var(--muted); }
.faq .answer p:last-child { margin: 0; }

/* ---------- contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.25fr; gap: clamp(40px, 6vw, 100px); }
.contact-cards { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.contact-card { background: var(--paper); padding: 30px 32px; display: flex; gap: 22px; align-items: flex-start; transition: background .4s; }
a.contact-card:hover { background: #fff; }
.contact-card svg { width: 30px; height: 30px; flex-shrink: 0; stroke: var(--brass-2); fill: none; stroke-width: 1.4; }
.contact-card small { display: block; font-size: 13px; letter-spacing: .2em; color: var(--muted); }
.contact-card strong { display: block; font-size: 20px; font-weight: 500; letter-spacing: .06em; margin-top: 4px; }
.map { margin-top: 30px; aspect-ratio: 4 / 3; border: 1px solid var(--line); filter: grayscale(.85) contrast(1.05); }
.map iframe { width: 100%; height: 100%; border: 0; display: block; }

.form { background: #fff; padding: clamp(30px, 4vw, 56px); border-radius: var(--radius); box-shadow: 0 40px 80px -50px rgba(14, 22, 38, .3); }
.form h2 { font-size: clamp(26px, 2.4vw, 34px); margin-bottom: 10px; }
.form > p { color: var(--muted); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px 24px; margin-top: 30px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: 14px; letter-spacing: .12em; color: var(--muted); }
.field label .req { color: #B5523B; margin-left: 4px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 14px 0; border: 0; border-bottom: 1px solid var(--paper-3); background: transparent;
  font-size: 16px; border-radius: 0; transition: border-color .3s; -webkit-appearance: none; appearance: none;
}
.field select { background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23B08D52' stroke-width='1.4'/%3E%3C/svg%3E") no-repeat right 4px center; padding-right: 24px; }
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-bottom-color: var(--brass-2); }
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chips label { cursor: pointer; position: relative; }
.chips input { position: absolute; left: 0; top: 0; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.chips span { display: inline-block; padding: 9px 18px; border: 1px solid var(--paper-3); border-radius: 999px; font-size: 14.5px; letter-spacing: .08em; color: var(--text); transition: all .3s; }
.chips input:checked + span { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.chips input:focus-visible + span { outline: 2px solid var(--brass); outline-offset: 2px; }
.hp { position: absolute; left: -9999px; }
.form-foot { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 20px; margin-top: 34px; }
.form-foot small { color: var(--muted); font-size: 13px; max-width: 320px; }
.form-msg { display: none; margin-top: 24px; padding: 18px 22px; border-radius: var(--radius); font-size: 15.5px; }
.form-msg.is-ok { display: block; background: #E7F0E3; color: #2F5130; }
.form-msg.is-err { display: block; background: #F6E4DE; color: #7A2F1E; }

/* ---------- 404 ---------- */
.error-page { min-height: 100vh; display: grid; place-items: center; text-align: center; }
.error-page .code { font-family: var(--latin); font-style: italic; font-size: clamp(120px, 22vw, 280px); line-height: 1; color: transparent; -webkit-text-stroke: 1px var(--brass); }

/* ---------- cursor ---------- */
.cursor { position: fixed; left: 0; top: 0; z-index: 300; pointer-events: none; width: 34px; height: 34px; margin: -17px 0 0 -17px; border: 1px solid var(--brass); border-radius: 50%; opacity: 0; transition: width .35s var(--ease), height .35s var(--ease), margin .35s var(--ease), opacity .3s, background .35s; mix-blend-mode: difference; }
.cursor.is-active { opacity: 1; }
.cursor.is-hover { width: 70px; height: 70px; margin: -35px 0 0 -35px; background: rgba(212, 178, 122, .18); }
@media (hover: none), (pointer: coarse) { .cursor { display: none; } }

/* ---------- reveal (JS-enhanced) ---------- */
.js [data-reveal] { opacity: 0; transform: translateY(40px); }
.js [data-reveal="fade"] { transform: none; }
.js .reveal-mask { clip-path: inset(0 0 100% 0); }
.no-gsap [data-reveal], .no-gsap .reveal-mask { opacity: 1 !important; transform: none !important; clip-path: none !important; }

/* ---------- mobile floating bar ---------- */
.mobile-bar { display: none; }

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .clients { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 960px) {
  :root { --header-h: 72px; }
  .menu-toggle { display: block; color: var(--paper); }
  .nav {
    position: fixed; inset: 0; z-index: 110; flex-direction: column; justify-content: center; gap: 26px;
    background: var(--ink); clip-path: circle(0 at calc(100% - 46px) 36px); transition: clip-path .8s var(--ease);
    visibility: hidden;
  }
  .menu-open .nav { clip-path: circle(150% at calc(100% - 46px) 36px); visibility: visible; }
  .nav a:not(.btn) { font-family: var(--serif); font-size: 26px; letter-spacing: .2em; }
  .nav .btn { margin-top: 16px; font-size: 15px; padding: 16px 30px; }
  .menu-open { overflow: hidden; }
  /* a transformed / backdrop-filtered header would trap the fixed menu inside it */
  .menu-open .site-header { transform: none !important; -webkit-backdrop-filter: none !important; backdrop-filter: none !important; background: transparent; box-shadow: none; }
  .menu-open .site-header .wrap { transform: none !important; }
  .menu-open .brand { position: relative; z-index: 120; }
  .nav { height: 100vh; height: 100dvh; width: 100vw; overflow-y: auto; padding: 90px 24px 40px; }
  .section-head, .split, .contact-grid, .svc-detail, .case { grid-template-columns: 1fr; }
  .split--reverse > :first-child, .case:nth-child(even) .case-media { order: 0; }
  .svc-detail .sticky { position: static; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(3) { border-left: 0; padding-left: 0; }
  .stat { padding-bottom: 30px; }
  .pillars { grid-template-columns: 1fr; }
  .values { grid-template-columns: 1fr; }
  .process-line { left: 32px; }
  .step { grid-template-columns: 64px 1fr; gap: 24px; }
  .step-dot { grid-column: 1; }
  .step:nth-child(odd) .step-body, .step:nth-child(even) .step-body { grid-column: 2; justify-self: start; text-align: left; }
  .hero::after { background: linear-gradient(0deg, rgba(9, 15, 27, .95) 0%, rgba(9, 15, 27, .5) 60%, rgba(9, 15, 27, .2) 100%); }
  .mobile-bar {
    display: grid; grid-template-columns: repeat(3, 1fr); position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 90;
    background: rgba(14, 22, 38, .94); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
    border-radius: 14px; overflow: hidden; box-shadow: 0 10px 30px rgba(0, 0, 0, .3);
  }
  .mobile-bar a { display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 10px 0 9px; color: var(--paper); font-size: 12.5px; letter-spacing: .12em; }
  .mobile-bar a + a { border-left: 1px solid var(--line-light); }
  .mobile-bar svg { width: 20px; height: 20px; stroke: var(--brass); fill: none; stroke-width: 1.5; }
  .site-footer { padding-bottom: 110px; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .services-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 0; padding: 36px 28px; }
  .clients { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .form-grid, .check-list { grid-template-columns: 1fr; }
  .hero-meta .wrap > span:not(.scroll-cue) { display: none; }
  .brand-text span { display: none; }
  .case dl { grid-template-columns: 80px 1fr; }
  .faq .answer { padding-right: 0; }
  .section-num { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .js [data-reveal], .js .reveal-mask { opacity: 1; transform: none; clip-path: none; }
}

@media print {
  .site-header, .mobile-bar, .cursor, canvas, .cta-band { display: none !important; }
  body { background: #fff; }
}