/* ============================================================
   HuaXin Manufacturing · design system (single source of truth)
   Luxury "liquid glass" dark + gold · 改设计 = 改这里的 tokens
   ============================================================ */
:root {
  color-scheme: light;
  --color-primary: #1C1917;       /* warm black */
  --color-on-primary: #FFFFFF;
  --color-secondary: #44403C;
  --color-accent: #A16207;        /* dark gold CTA (light bg ≥4.5:1) */
  --color-accent-deep: #854D0E;   /* gold small text on light bg */
  --color-accent-glow: #E3B341;   /* gold text on dark bg */
  --color-accent-soft: #F5EBD3;   /* champagne light bg */
  --color-background: #FAFAF9;
  --color-foreground: #0C0A09;
  --color-border: #D6D3D1;
  --color-muted: #E7E5E4;
  --color-ink-2: #57534E;
  --color-ink-3: #78716C;
  --color-dark-bg: #15120E;       /* dark section bg */
  --color-ring: #1C1917;
  --font-display: "Cormorant", Georgia, "Times New Roman", serif;
  --font-body: "Montserrat", "Helvetica Neue", Arial, system-ui, sans-serif;
  --space-1: 8px; --space-2: 16px; --space-3: 24px; --space-4: 48px; --space-5: 80px; --space-6: 120px;
  --radius: 18px;
  --glass-border: rgba(255,255,255,.14);
  --glass-bg: rgba(255,255,255,.055);
  --header-h: 74px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body); color: var(--color-foreground);
  background: var(--color-background); line-height: 1.65; font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.18; font-weight: 600; color: var(--color-primary); }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, a, [role="button"] { cursor: pointer; }
::selection { background: var(--color-accent-soft); }
.container { width: min(1180px, 92%); margin: 0 auto; }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 999;
  background: var(--color-primary); color: #fff; padding: 13px 22px; border-radius: 0 0 10px 0;
  font-weight: 600; font-size: 14px;
}
.skip-link:focus { left: 0; }
:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 2px; border-radius: 4px; }
.dark :focus-visible { outline-color: var(--color-accent-glow); }

/* ---------- Reading progress bar (homepage) ---------- */
.progress { position: fixed; top: 0; left: 0; height: 3px; width: 0; z-index: 1200;
  background: linear-gradient(90deg, #A16207, #E3B341); }

/* ---------- Icons ---------- */
.ico { width: 22px; height: 22px; stroke: currentColor; fill: none; stroke-width: 1.6;
  stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
.ico-lg { width: 26px; height: 26px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  min-height: 46px; padding: 12px 30px; border-radius: 999px;
  font-family: var(--font-body); font-size: 14px; font-weight: 600; letter-spacing: .04em;
  border: none; cursor: pointer; transition: transform .2s, box-shadow .25s, background .25s, border-color .25s;
}
.btn:hover { transform: translateY(-2px); }
.btn-gold {
  background: linear-gradient(135deg, #E9C46A, #A16207); color: #1C1917;
  box-shadow: 0 10px 30px rgba(161,98,7,.35);
}
.btn-gold:hover { box-shadow: 0 16px 40px rgba(161,98,7,.5); }
.btn-glass { background: rgba(255,255,255,.07); color: #fff; border: 1px solid rgba(255,255,255,.35); backdrop-filter: blur(8px); }
.btn-glass:hover { background: rgba(255,255,255,.14); border-color: rgba(255,255,255,.6); }
.btn-outline { background: transparent; color: var(--color-primary); border: 1px solid var(--color-border); }
.btn-outline:hover { border-color: var(--color-accent); color: var(--color-accent-deep); }

/* ---------- "Learn more" gold arrow link ---------- */
.more-link {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 18px;
  font-size: 13px; font-weight: 600; letter-spacing: .06em; color: var(--color-accent-deep);
  transition: gap .2s, color .2s;
}
.more-link .ico { width: 16px; height: 16px; }
.more-link:hover { gap: 13px; color: var(--color-accent); }
.dark .more-link { color: var(--color-accent-glow); }
.dark .more-link:hover { color: #fff; }

/* ---------- Dark sections & light blobs ---------- */
.dark { position: relative; background: var(--color-dark-bg); color: #fff; overflow: hidden; }
.dark h1, .dark h2, .dark h3 { color: #fff; }
.blobs { position: absolute; inset: 0; pointer-events: none; }
.blob { position: absolute; border-radius: 50%; filter: blur(70px); opacity: .32; will-change: transform; }
.blob-1 { width: 560px; height: 560px; top: -180px; right: -120px;
  background: radial-gradient(circle at 30% 30%, #C98B2E, transparent 68%); animation: drift 16s ease-in-out infinite alternate; }
.blob-2 { width: 480px; height: 480px; bottom: -160px; left: -140px;
  background: radial-gradient(circle at 60% 40%, #8A5A2B, transparent 66%); animation: drift 20s ease-in-out infinite alternate-reverse; }
.blob-3 { width: 360px; height: 360px; top: 32%; left: 46%;
  background: radial-gradient(circle at 50% 50%, rgba(233,196,106,.5), transparent 70%); animation: drift 24s ease-in-out infinite alternate; }
@keyframes drift {
  from { transform: translate3d(0,0,0) scale(1); }
  to { transform: translate3d(40px,-30px,0) scale(1.12); }
}

/* ---------- Glass panels ---------- */
.glass {
  background: linear-gradient(150deg, rgba(255,255,255,.10), rgba(255,255,255,.03));
  border: 1px solid var(--glass-border);
  box-shadow: 0 18px 50px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.14);
  border-radius: var(--radius);
}
.glass-blur { backdrop-filter: blur(16px) saturate(150%); -webkit-backdrop-filter: blur(16px) saturate(150%); }

/* Sheen sweep */
.sheen { position: relative; overflow: hidden; }
.sheen::after {
  content: ""; position: absolute; top: 0; left: -90%; width: 55%; height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,.13), transparent);
  transform: skewX(-18deg); transition: left .7s ease;
}
.sheen:hover::after { left: 135%; }

/* ============================================================
   Site header (sticky glass nav) · every page
   ============================================================ */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(21,18,14,.82);
  backdrop-filter: blur(14px) saturate(150%); -webkit-backdrop-filter: blur(14px) saturate(150%);
  border-bottom: 1px solid rgba(255,255,255,.08);
  transition: background .3s, border-color .3s;
}
.site-header.scrolled { background: rgba(15,12,9,.92); border-bottom-color: rgba(227,179,65,.25); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; }
.brand-mark { width: 34px; height: 34px; color: var(--color-accent-glow); }
.brand-name { font-family: var(--font-display); font-size: 21px; font-weight: 600; color: #fff; letter-spacing: .01em; line-height: 1; }
.brand-name em { font-style: normal; font-size: 9.5px; display: block; letter-spacing: .34em; text-transform: uppercase; color: var(--color-accent-glow); font-family: var(--font-body); font-weight: 600; margin-top: 4px; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  padding: 9px 15px; border-radius: 999px; font-size: 13px; font-weight: 500; letter-spacing: .04em;
  color: rgba(255,255,255,.78); transition: color .2s, background .2s;
}
.nav a:hover { color: #fff; background: rgba(255,255,255,.06); }
.nav a.active { color: var(--color-accent-glow); background: rgba(233,196,106,.10); }
.nav a.nav-cta { margin-left: 12px; padding: 11px 22px; font-weight: 600; color: #1C1917; background: linear-gradient(135deg, #E9C46A, #A16207); box-shadow: 0 8px 24px rgba(161,98,7,.4); }
.nav a.nav-cta:hover { transform: translateY(-1px); background: linear-gradient(135deg, #F2D77E, #B97F1F); color: #1C1917; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; padding: 10px; }
.nav-toggle span { width: 22px; height: 2px; background: #fff; border-radius: 2px; transition: transform .25s, opacity .25s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   Page hero (sub-pages) + breadcrumb
   ============================================================ */
.page-hero {
  background: linear-gradient(178deg, rgba(18,15,11,.94) 0%, rgba(15,12,9,.9) 60%, rgba(21,18,14,.97) 100%);
  padding: 64px 0 76px;
}
.page-hero .container { position: relative; z-index: 1; }
.breadcrumb { display: flex; align-items: center; gap: 9px; font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: rgba(255,255,255,.5); margin-bottom: 30px; }
.breadcrumb a:hover { color: var(--color-accent-glow); }
.breadcrumb span { color: var(--color-accent-glow); }
.page-hero h1 { font-size: clamp(34px, 5vw, 56px); font-weight: 500; color: #fff; margin: 20px 0 18px; max-width: 22ch; }
.page-hero h1 .gold { color: var(--color-accent-glow); font-style: italic; }
.page-hero .lead { font-size: 16px; font-weight: 300; color: rgba(255,255,255,.8); max-width: 600px; }

/* ============================================================
   Hero (homepage)
   ============================================================ */
.hero { background:
    linear-gradient(178deg, rgba(18,15,11,.94) 0%, rgba(15,12,9,.88) 55%, rgba(21,18,14,.97) 100%),
    url('hero-pcb.jpg') center 38% / cover no-repeat; }
.hero .container { position: relative; z-index: 1; }
.hero-inner { padding: 46px 0 44px; }
.hero-grid { display: grid; grid-template-columns: 1.12fr .88fr; gap: 52px; align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 12.5px; font-weight: 600; letter-spacing: .26em; text-transform: uppercase;
  color: var(--color-accent-glow); margin-bottom: 26px;
}
.eyebrow::before, .eyebrow::after { content: ""; width: 34px; height: 1px; background: linear-gradient(90deg, transparent, rgba(227,179,65,.7)); }
.eyebrow::after { background: linear-gradient(90deg, rgba(227,179,65,.7), transparent); }
.hero h1 { font-size: clamp(34px, 5vw, 62px); font-weight: 500; color: #fff; letter-spacing: .005em; }
.hero h1 .gold { color: var(--color-accent-glow); font-style: italic; }
.hero .lead { margin: 24px 0 34px; font-size: 16.5px; font-weight: 300; color: rgba(255,255,255,.82); max-width: 520px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-trust { display: flex; flex-wrap: wrap; gap: 10px 26px; margin-top: 34px; }
.hero-trust span {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12.5px; letter-spacing: .08em; color: rgba(255,255,255,.72);
}
.hero-trust .ico { width: 15px; height: 15px; color: var(--color-accent-glow); }

/* Hero glass panel · capacity */
.hero-panel { padding: 30px 30px 26px; }
.panel-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 26px; }
.panel-title { font-family: var(--font-display); font-size: 19px; font-weight: 600; color: #fff; }
.panel-unit { font-size: 11.5px; letter-spacing: .18em; color: rgba(255,255,255,.5); }
.chart .bars { display: flex; align-items: flex-end; gap: 16px; height: 170px; }
.chart .bar-col { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 9px; height: 100%; justify-content: flex-end; }
.chart .bar-track { width: 100%; display: flex; align-items: flex-end; justify-content: center; height: 100%; }
.chart .bar { width: 100%; max-width: 42px; border-radius: 5px 5px 2px 2px; transition: filter .2s; }
.chart .bar:hover { filter: brightness(1.16); }
.bar-g1 { background: linear-gradient(180deg, #F2D77E, #D9A93A); }
.bar-g2 { background: linear-gradient(180deg, #E3B341, #B97F1F); }
.bar-g3 { background: linear-gradient(180deg, #C98B2E, #8F5F1C); }
.chart .bar-val { font-size: 12.5px; font-weight: 600; color: #fff; font-variant-numeric: tabular-nums; }
.chart .bar-xaxis { display: flex; gap: 16px; margin-top: 12px; }
.chart .bar-xaxis span { flex: 1; text-align: center; font-size: 11.5px; letter-spacing: .06em; color: rgba(255,255,255,.5); }
.panel-note { margin-top: 20px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.1);
  display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--color-accent-glow); }
.panel-note .ico { width: 15px; height: 15px; }

.hero-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 54px; padding-top: 34px; border-top: 1px solid rgba(255,255,255,.12); }
.hero-stats .num { font-size: clamp(28px, 3.4vw, 40px); font-weight: 500; font-family: var(--font-display); color: #fff; font-variant-numeric: tabular-nums; }
.hero-stats .num small { font-size: 15px; color: var(--color-accent-glow); font-weight: 600; font-family: var(--font-body); }
.hero-stats .lbl { font-size: 12px; letter-spacing: .12em; color: rgba(255,255,255,.55); margin-top: 2px; }

/* ---------- Values strip ---------- */
.values-strip { background: var(--color-dark-bg); border-top: 1px solid rgba(255,255,255,.06); padding: 22px 0; }
.values-strip .row { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 18px 34px; }
.values-strip .v { font-family: var(--font-display); font-size: 17px; letter-spacing: .34em; color: rgba(255,255,255,.85); }
.values-strip .gem { color: var(--color-accent-glow); font-size: 10px; }

/* ---------- Chapter heads ---------- */
.chapter { padding: var(--space-5) 0; }
.chapter-head { display: flex; align-items: flex-start; gap: 22px; margin-bottom: 46px; }
.chapter-head.center { justify-content: center; text-align: center; }
.chapter-head.center .chap-no { margin-top: 4px; }
.chap-no {
  font-family: var(--font-display); font-size: 30px; line-height: 1; color: var(--color-accent);
  border: 1px solid var(--color-border); border-radius: 50%; width: 52px; height: 52px;
  display: grid; place-items: center; flex-shrink: 0;
}
.dark .chap-no { color: var(--color-accent-glow); border-color: rgba(255,255,255,.22); }
.kicker { display: block; font-size: 11.5px; font-weight: 600; letter-spacing: .28em; text-transform: uppercase;
  color: var(--color-accent-deep); margin-bottom: 10px; }
.dark .kicker { color: var(--color-accent-glow); }
.chapter-head h2 { font-size: clamp(26px, 3.4vw, 42px); font-weight: 600; }
.chapter-head p.sub { margin-top: 12px; color: var(--color-ink-2); font-size: 15.5px; font-weight: 300; max-width: 640px; }
.dark .chapter-head p.sub { color: rgba(255,255,255,.68); }

/* ---------- Brand story (Chapter I) ---------- */
.story-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 60px; align-items: center; }
.story-copy p { color: var(--color-ink-2); font-size: 15.5px; font-weight: 300; margin-bottom: 14px; }
.story-copy .dropcap::first-letter {
  font-family: var(--font-display); font-size: 54px; line-height: .9; float: left; margin: 4px 10px 0 0; color: var(--color-accent); }
.story-points { list-style: none; margin-top: 22px; display: grid; gap: 12px; }
.story-points li { display: flex; gap: 12px; align-items: flex-start; font-size: 14.5px; color: var(--color-ink-2); }
.story-points .ico { width: 18px; height: 18px; margin-top: 3px; color: var(--color-accent); }
.story-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.fact { border: 1px solid var(--color-border); border-radius: var(--radius); padding: 26px 24px;
  background: linear-gradient(160deg, #FFFFFF, #F4EFE6); box-shadow: 0 10px 30px rgba(28,25,23,.06);
  transition: transform .25s, box-shadow .25s; position: relative; overflow: hidden; }
.fact::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--color-accent), #E9C46A); opacity: 0; transition: opacity .25s; }
.fact:hover { transform: translateY(-4px); box-shadow: 0 20px 44px rgba(28,25,23,.12); }
.fact:hover::before { opacity: 1; }
.fact .n { font-size: 36px; font-weight: 500; color: var(--color-primary); font-family: var(--font-display); font-variant-numeric: tabular-nums; }
.fact .n small { font-size: 16px; color: var(--color-accent); font-weight: 600; font-family: var(--font-body); }
.fact .t { font-size: 12.5px; letter-spacing: .08em; color: var(--color-ink-3); margin-top: 3px; }

/* ---------- Services showcase (dark) ---------- */
.showcase { padding: var(--space-5) 0; }
.craft-showcase { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 40px; }
.craft {
  border-radius: var(--radius); overflow: hidden; border: 1px solid rgba(255,255,255,.12);
  position: relative; box-shadow: 0 20px 50px rgba(0,0,0,.4); transition: transform .3s, border-color .3s;
}
.craft:hover { transform: translateY(-5px); border-color: rgba(233,196,106,.5); }
.craft .img { height: 220px; background: url('hero-pcb.jpg') center 30% / cover; transition: transform .5s; }
.craft:hover .img { transform: scale(1.05); }
.craft.c2 .img { background-position: center 60%; }
.craft.c3 .img { background-position: center 88%; }
.craft .cap { position: absolute; left: 0; right: 0; bottom: 0; padding: 34px 20px 16px;
  background: linear-gradient(0deg, rgba(10,8,6,.9), transparent); }
.craft .cap b { font-family: var(--font-display); font-size: 18px; font-weight: 600; color: #fff; }
.craft .cap span { display: block; font-size: 11.5px; letter-spacing: .14em; color: var(--color-accent-glow); margin-top: 2px; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { padding: 28px; border-radius: var(--radius); display: flex; flex-direction: column; gap: 11px;
  background: linear-gradient(160deg, rgba(255,255,255,.09), rgba(255,255,255,.03));
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.1), 0 14px 40px rgba(0,0,0,.28);
  transition: transform .25s, border-color .25s, background .25s; }
.card:hover { transform: translateY(-5px); border-color: rgba(233,196,106,.45); background: linear-gradient(160deg, rgba(255,255,255,.13), rgba(255,255,255,.05)); }
.card .ico-wrap { width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center;
  background: rgba(233,196,106,.12); color: var(--color-accent-glow); border: 1px solid rgba(233,196,106,.35); margin-bottom: 4px; }
.card h3 { font-size: 20px; font-weight: 600; color: #fff; }
.card p { font-size: 13.5px; font-weight: 300; color: rgba(255,255,255,.7); flex: 1; }
.card .tag { font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--color-accent-glow); }

/* ---------- Craft / process (Chapter III) ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 56px; }
.step { border: 1px solid var(--color-border); border-radius: var(--radius); padding: 24px 20px; position: relative;
  background: #FFFFFF; transition: transform .25s, box-shadow .25s, border-color .25s; }
.step:hover { transform: translateY(-4px); box-shadow: 0 18px 40px rgba(28,25,23,.1); border-color: var(--color-accent); }
.step .no { font-family: var(--font-display); font-size: 26px; color: #E7D9B5; font-weight: 500; line-height: 1; transition: color .25s; }
.step:hover .no { color: var(--color-accent); }
.step h3 { font-size: 15.5px; font-weight: 600; margin: 12px 0 4px; }
.step p { font-size: 12.5px; font-weight: 300; color: var(--color-ink-3); }
.step i { display: block; position: absolute; top: 24px; right: 20px; width: 6px; height: 6px; border-radius: 50%;
  background: var(--color-accent); opacity: 0; transition: opacity .25s; }
.step:hover i { opacity: 1; }

.cap-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 20px; align-items: stretch; }
.cap-chart, .cap-table { border: 1px solid var(--color-border); border-radius: var(--radius); background: #FFFFFF; padding: 28px; box-shadow: 0 10px 30px rgba(28,25,23,.05); }
.cap-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 24px; }
.cap-head h3 { font-size: 19px; font-weight: 600; }
.cap-head span { font-size: 11.5px; letter-spacing: .14em; color: var(--color-ink-3); }
.cap-chart .bar-dim { background: linear-gradient(180deg, #EFE3C2, #DCC896); }
.cap-chart .bar-strong { background: linear-gradient(180deg, #C98B2E, #8F5F1C); }
.cap-chart .bar-val { color: var(--color-ink-2); }
.cap-chart .bar-xaxis span { color: var(--color-ink-3); }
.cap-note { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--color-muted);
  display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--color-accent-deep); }
.cap-note .ico { width: 15px; height: 15px; }
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th, td { padding: 13px 4px; text-align: left; }
thead th { font-size: 11px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--color-ink-3); border-bottom: 1px solid var(--color-border); }
tbody tr { border-bottom: 1px solid var(--color-muted); transition: background .15s; }
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: #F7F3EA; }
tbody td:first-child { color: var(--color-ink-3); font-weight: 500; }
tbody td:last-child { font-weight: 600; color: var(--color-primary); text-align: right; }

/* ---------- Values (Chapter IV, dark) ---------- */
.values { padding: var(--space-5) 0; }
.values-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.value { padding: 34px 26px; border-radius: var(--radius); text-align: center;
  background: linear-gradient(165deg, rgba(255,255,255,.08), rgba(255,255,255,.02));
  border: 1px solid rgba(255,255,255,.12); transition: transform .25s, border-color .25s; }
.value:hover { transform: translateY(-5px); border-color: rgba(233,196,106,.4); }
.value .ico-wrap { width: 52px; height: 52px; margin: 0 auto 18px; border-radius: 50%; display: grid; place-items: center;
  background: rgba(233,196,106,.12); color: var(--color-accent-glow); border: 1px solid rgba(233,196,106,.35); }
.value h3 { font-size: 21px; font-weight: 600; color: #fff; margin-bottom: 8px; }
.value p { font-size: 12.5px; font-weight: 300; color: rgba(255,255,255,.62); }
.industry-strip { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 44px; }
.industry-chip { display: inline-flex; align-items: center; gap: 9px; padding: 11px 20px; border-radius: 999px;
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.14); color: rgba(255,255,255,.78);
  font-size: 13px; letter-spacing: .06em; transition: background .2s, border-color .2s, color .2s, transform .2s; }
.industry-chip:hover { background: rgba(233,196,106,.12); border-color: rgba(233,196,106,.5); color: #fff; transform: translateY(-2px); }
.industry-chip .ico { width: 16px; height: 16px; color: var(--color-accent-glow); }

/* ---------- Trust / quality (Chapter V) ---------- */
.trust-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.q-metrics { border: 1px solid var(--color-border); border-radius: var(--radius); background: #FFFFFF; padding: 30px 28px; box-shadow: 0 10px 30px rgba(28,25,23,.05); }
.q-metrics .cap { font-family: var(--font-display); font-size: 22px; font-weight: 600; margin-bottom: 22px; }
.q-metrics .rows { display: grid; gap: 18px; }
.q-metrics .row { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; padding-bottom: 14px; border-bottom: 1px dashed var(--color-border); }
.q-metrics .row:last-child { border-bottom: none; padding-bottom: 0; }
.q-metrics .val { font-size: 34px; font-weight: 500; color: var(--color-primary); font-family: var(--font-display); font-variant-numeric: tabular-nums; }
.q-metrics .val small { font-size: 16px; color: var(--color-accent); font-weight: 600; font-family: var(--font-body); }
.q-metrics .lab { font-size: 12.5px; letter-spacing: .06em; color: var(--color-ink-3); }
.q-list { margin-top: 18px; display: grid; gap: 10px; }
.q-list li { display: flex; gap: 12px; align-items: flex-start; font-size: 14px; color: var(--color-ink-2); list-style: none; }
.q-list .ico { width: 17px; height: 17px; margin-top: 4px; color: var(--color-accent); }
.q-certs { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 18px; }
.q-cert { text-align: center; border: 1px solid var(--color-border); border-radius: 14px; padding: 18px 10px; background: #FFFFFF; transition: transform .2s, box-shadow .2s, border-color .2s; }
.q-cert:hover { transform: translateY(-3px); box-shadow: 0 14px 34px rgba(28,25,23,.1); border-color: var(--color-accent); }
.q-cert .code { font-size: 15px; font-weight: 700; color: var(--color-primary); letter-spacing: .03em; }
.q-cert .nm { font-size: 11px; color: var(--color-ink-3); margin-top: 3px; letter-spacing: .06em; }
.client-logos { margin-top: 30px; border-top: 1px solid var(--color-border); padding-top: 24px; }
.client-logos .hint { font-size: 11px; font-weight: 600; letter-spacing: .28em; text-transform: uppercase; color: var(--color-ink-3); margin-bottom: 16px; }
.client-logos .row { display: flex; flex-wrap: wrap; gap: 14px 34px; }
.client-logo { font-family: var(--font-display); font-size: 18px; font-weight: 600; color: var(--color-ink-3); display: inline-flex; align-items: center; gap: 9px; transition: color .2s; }
.client-logo .dot { width: 7px; height: 7px; border-radius: 50%; background: #E7D9B5; transition: background .2s; }
.client-logo:hover { color: var(--color-primary); }
.client-logo:hover .dot { background: var(--color-accent); }

/* ---------- FAQ (Chapter VI) ---------- */
.faq-list { max-width: 860px; margin: 0 auto; display: grid; gap: 14px; }
.faq { border: 1px solid var(--color-border); border-radius: var(--radius); background: #FFFFFF;
  box-shadow: 0 10px 30px rgba(28,25,23,.05); overflow: hidden; transition: border-color .25s, box-shadow .25s; }
.faq:hover { border-color: var(--color-accent); }
.faq summary { list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 22px 26px; cursor: pointer; font-family: var(--font-display); font-size: 18px; font-weight: 600; color: var(--color-primary); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary .ico { width: 18px; height: 18px; color: var(--color-accent); transition: transform .3s; flex-shrink: 0; }
.faq[open] summary { color: var(--color-accent-deep); }
.faq[open] summary .ico { transform: rotate(90deg); }
.faq p { padding: 0 26px 22px; font-size: 14.5px; font-weight: 300; color: var(--color-ink-2); max-width: 72ch; }
.faq p a { color: var(--color-accent-deep); text-decoration: underline; text-underline-offset: 3px; }
.faq p a:hover { color: var(--color-accent); }

/* ---------- Membership (dark climax) ---------- */
.membership { padding: var(--space-5) 0; }
.member-card { position: relative; z-index: 1; padding: 64px 48px; border-radius: 26px; text-align: center; }
.member-card .kicker { justify-content: center; }
.member-card h2 { font-size: clamp(30px, 4vw, 50px); font-weight: 500; margin-bottom: 14px; }
.member-card h2 .gold { color: var(--color-accent-glow); font-style: italic; }
.member-card > p { max-width: 560px; margin: 0 auto 34px; font-size: 15px; font-weight: 300; color: rgba(255,255,255,.75); }
.perks { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; max-width: 860px; margin: 0 auto 40px; text-align: left; }
.perk { padding: 22px 20px; border-radius: 16px; background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.12);
  display: flex; gap: 14px; align-items: flex-start; transition: transform .2s, border-color .2s, background .2s; }
.perk:hover { transform: translateY(-3px); border-color: rgba(233,196,106,.45); background: rgba(233,196,106,.07); }
.perk .ico-wrap { width: 38px; height: 38px; border-radius: 50%; flex-shrink: 0; display: grid; place-items: center;
  background: rgba(233,196,106,.12); color: var(--color-accent-glow); border: 1px solid rgba(233,196,106,.35); }
.perk b { display: block; font-size: 14.5px; font-weight: 600; color: #fff; margin-bottom: 3px; font-family: var(--font-body); }
.perk span { font-size: 12px; font-weight: 300; color: rgba(255,255,255,.6); }
.member-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.member-note { margin-top: 20px; font-size: 11.5px; letter-spacing: .22em; color: rgba(255,255,255,.5); }

/* ============================================================
   CTA band (sub-pages bottom conversion) · dark full-width
   ============================================================ */
.cta-band { padding: var(--space-4) 0; }
.cta-card { position: relative; z-index: 1; padding: 52px 40px; border-radius: 24px; text-align: center; }
.cta-card h2 { font-size: clamp(26px, 3.4vw, 38px); font-weight: 500; color: #fff; margin-bottom: 10px; }
.cta-card h2 .gold { color: var(--color-accent-glow); font-style: italic; }
.cta-card p { max-width: 520px; margin: 0 auto 28px; font-size: 14.5px; font-weight: 300; color: rgba(255,255,255,.72); }
.cta-card .member-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ============================================================
   Site footer · every page
   ============================================================ */
.site-footer { background: #0F0C09; color: rgba(255,255,255,.7); border-top: 1px solid rgba(227,179,65,.22); padding: 64px 0 0; font-size: 13.5px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.3fr; gap: 40px; padding-bottom: 46px; }
.footer-brand .brand { margin-bottom: 16px; }
.footer-brand p { font-weight: 300; font-size: 13px; color: rgba(255,255,255,.55); max-width: 300px; margin-bottom: 18px; }
.f-certs { display: flex; flex-wrap: wrap; gap: 8px; }
.f-cert { font-size: 10.5px; font-weight: 600; letter-spacing: .08em; padding: 6px 12px; border-radius: 999px;
  border: 1px solid rgba(227,179,65,.35); color: var(--color-accent-glow); background: rgba(227,179,65,.06); }
.f-col h4 { font-size: 12px; font-weight: 600; letter-spacing: .22em; text-transform: uppercase; color: #fff; margin-bottom: 18px; font-family: var(--font-body); }
.f-col a, .f-col span { display: block; padding: 5px 0; color: rgba(255,255,255,.6); transition: color .2s; }
.f-col a:hover { color: var(--color-accent-glow); }
.f-contact span { cursor: default; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding: 20px 0; border-top: 1px solid rgba(255,255,255,.08); font-size: 12px; color: rgba(255,255,255,.45); }
.footer-legal { display: flex; gap: 22px; }
.footer-legal a:hover { color: var(--color-accent-glow); }

/* ---------- Sticky floating CTA (homepage) ---------- */
.float-cta {
  position: fixed; right: 22px; bottom: 22px; z-index: 1100;
  display: inline-flex; align-items: center; gap: 9px;
  min-height: 46px; padding: 0 24px; border-radius: 999px;
  background: linear-gradient(135deg, #E9C46A, #A16207); color: #1C1917;
  font-size: 13.5px; font-weight: 600; letter-spacing: .05em;
  box-shadow: 0 14px 40px rgba(161,98,7,.45); opacity: 0; transform: translateY(16px); pointer-events: none;
  transition: opacity .3s, transform .3s, box-shadow .3s;
}
.float-cta.show { opacity: 1; transform: none; pointer-events: auto; }
.float-cta:hover { box-shadow: 0 18px 46px rgba(161,98,7,.55); transform: translateY(-2px); }

/* ---------- Sub-page generic content blocks ---------- */
.prose p { color: var(--color-ink-2); font-size: 15.5px; font-weight: 300; margin-bottom: 14px; max-width: 70ch; }
.prose h3 { font-size: 22px; margin: 26px 0 10px; }
.spec-list { list-style: none; display: grid; gap: 10px; }
.spec-list li { display: flex; gap: 11px; align-items: flex-start; font-size: 14px; color: var(--color-ink-2); }
.spec-list .ico { width: 17px; height: 17px; margin-top: 4px; color: var(--color-accent); }
.service-block { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: start; padding-bottom: 40px; margin-bottom: 44px; border-bottom: 1px solid var(--color-muted); }
.service-block:last-child { border-bottom: none; margin-bottom: 0; }
.service-block .svc-head { display: flex; align-items: center; gap: 16px; margin-bottom: 14px; }
.service-block .svc-head .ico-wrap { width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  background: var(--color-accent-soft); color: var(--color-accent-deep); flex-shrink: 0; }
.service-block h2 { font-size: 28px; }
.service-block .chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.svc-chip { font-size: 11px; letter-spacing: .06em; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--color-border); color: var(--color-ink-2); }
.svc-chip.gold { border-color: var(--color-accent); color: var(--color-accent-deep); }
.flow-steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.flow-step { text-align: center; border: 1px solid var(--color-border); border-radius: var(--radius); padding: 22px 14px; background: #fff; }
.flow-step .no { font-family: var(--font-display); font-size: 22px; color: var(--color-accent); }
.flow-step b { display: block; font-size: 13.5px; margin-top: 6px; }
.flow-step span { font-size: 11.5px; color: var(--color-ink-3); }
.qa-flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; margin: 0 0 46px; }
.qa-step { text-align: center; padding: 18px 12px; position: relative; }
.qa-step .no { font-family: var(--font-display); font-size: 20px; color: var(--color-accent); }
.qa-step b { display: block; font-size: 13px; margin-top: 4px; }
.qa-step span { font-size: 11.5px; color: var(--color-ink-3); }
.qa-step::after { content: "→"; position: absolute; right: -8px; top: 30%; color: var(--color-accent); font-size: 16px; }
.qa-step:last-child::after { display: none; }
.form-card { border: 1px solid var(--color-border); border-radius: var(--radius); background: #fff; padding: 34px 30px; box-shadow: 0 10px 30px rgba(28,25,23,.05); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 12px; font-weight: 600; letter-spacing: .08em; color: var(--color-ink-2); }
.field input, .field select, .field textarea {
  font-family: var(--font-body); font-size: 14px; padding: 12px 14px; border: 1px solid var(--color-border);
  border-radius: 10px; background: var(--color-background); color: var(--color-foreground); transition: border-color .2s;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--color-accent); }
.field textarea { resize: vertical; min-height: 110px; }
.form-note { margin-top: 14px; font-size: 12px; color: var(--color-ink-3); }
.contact-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.contact-card { border: 1px solid var(--color-border); border-radius: var(--radius); padding: 26px 22px; background: #fff; box-shadow: 0 10px 30px rgba(28,25,23,.05); }
.contact-card .ico-wrap { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: var(--color-accent-soft); color: var(--color-accent-deep); margin-bottom: 14px; }
.contact-card h3 { font-size: 16px; margin-bottom: 6px; }
.contact-card p, .contact-card a { font-size: 13.5px; color: var(--color-ink-2); }
.contact-card a:hover { color: var(--color-accent-deep); }
.timeline { display: grid; gap: 18px; }
.tl-item { display: grid; grid-template-columns: 120px 1fr; gap: 24px; align-items: baseline; }
.tl-item .yr { font-family: var(--font-display); font-size: 26px; color: var(--color-accent); text-align: right; }
.tl-item .txt b { display: block; font-size: 16px; margin-bottom: 3px; }
.tl-item .txt span { font-size: 13.5px; color: var(--color-ink-2); font-weight: 300; }
.qc-flow { display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; }
.qc-node { text-align: center; border: 1px solid var(--color-border); border-radius: 12px; padding: 18px 10px; background: #fff; }
.qc-node b { display: block; font-size: 12.5px; margin-top: 4px; }
.qc-node span { font-size: 10.5px; color: var(--color-ink-3); letter-spacing: .04em; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
  .nav a { padding: 9px 11px; }
}
@media (max-width: 960px) {
  .hero-grid, .story-grid, .trust-grid, .cap-grid { grid-template-columns: 1fr; }
  .cards, .values-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .craft-showcase { grid-template-columns: 1fr 1fr; }
  .perks { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .service-block { grid-template-columns: 1fr; }
  .flow-steps, .qa-flow, .qc-flow { grid-template-columns: repeat(2, 1fr); }
  .contact-cards { grid-template-columns: repeat(2, 1fr); }
  .chapter, .showcase, .values, .membership { padding: var(--space-4) 0; }
  .member-card { padding: 44px 24px; }
  .form-grid { grid-template-columns: 1fr; }

  /* mobile nav */
  .nav-toggle { display: flex; }
  .nav {
    position: absolute; top: var(--header-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 4px;
    background: rgba(15,12,9,.98); border-bottom: 1px solid rgba(227,179,65,.25);
    padding: 14px 18px 20px; display: none;
  }
  .nav.open { display: flex; }
  .nav a { padding: 13px 16px; border-radius: 10px; }
  .nav a.nav-cta { margin: 8px 0 0; justify-content: center; }
}
@media (max-width: 640px) {
  .cards, .values-grid, .steps, .perks { grid-template-columns: 1fr; }
  .craft-showcase { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .q-certs { grid-template-columns: 1fr 1fr; }
  .chapter-head { flex-direction: column; gap: 14px; }
  .hero-inner { padding-top: 40px; }
  .member-card { padding: 40px 18px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .contact-cards { grid-template-columns: 1fr; }
  .timeline .tl-item { grid-template-columns: 1fr; gap: 4px; }
  .tl-item .yr { text-align: left; }
  .qa-step::after { display: none; }
  .page-hero { padding: 40px 0 56px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}