/* ========================================================================
   PROCUT-CNC — Design System v2
   ======================================================================== */

:root {
  /* Steel scale */
  --steel-1000: #03090f;
  --steel-950:  #06101c;
  --steel-900:  #0b1626;
  --steel-850:  #0f1d31;
  --steel-800:  #11203a;
  --steel-700:  #1a2d4a;
  --steel-600:  #25405f;
  --steel-500:  #355576;
  --steel-400:  #5a7596;
  --steel-300:  #8aa0bb;
  --steel-200:  #c4d1e0;
  --steel-100:  #e6ecf2;
  --steel-50:   #f4f7fa;

  /* Brand accents */
  --amber-300: #fcd34d;
  --amber-400: #fbbf24;
  --amber-500: #f59e0b;
  --amber-600: #d97706;
  --amber-700: #b45309;
  --safety-500: #ff6a00;
  --signal-cyan: #38bdf8;
  --signal-red: #ef4444;
  --signal-green: #10b981;

  /* Neutrals */
  --ink:    #0a1322;
  --ink-2:  #1f2937;
  --ink-3:  #4b5563;
  --ink-4:  #6b7280;
  --line:   #e3e8ef;
  --line-2: #cdd5df;
  --paper:  #f6f8fb;
  --paper-2:#eef2f7;

  /* Surface gradients */
  --grad-steel: linear-gradient(180deg, #06101c 0%, #0b1626 60%, #0f1d31 100%);
  --grad-glow:  radial-gradient(60% 50% at 50% 0%, rgba(245,158,11,.18) 0%, rgba(245,158,11,0) 60%);
  --grad-amber: linear-gradient(135deg, #fbbf24 0%, #f59e0b 60%, #d97706 100%);

  /* Shadows (layered) */
  --shadow-1: 0 1px 2px rgba(11,22,38,.06);
  --shadow-2: 0 2px 4px rgba(11,22,38,.06), 0 8px 16px -4px rgba(11,22,38,.08);
  --shadow-3: 0 4px 6px rgba(11,22,38,.06), 0 12px 28px -8px rgba(11,22,38,.18);
  --shadow-4: 0 8px 12px rgba(11,22,38,.08), 0 32px 56px -12px rgba(11,22,38,.28);
  --shadow-glow: 0 12px 32px -12px rgba(245,158,11,.45);

  /* Radii */
  --r-sm: .375rem;
  --r-md: .5rem;
  --r-lg: .75rem;
  --r-xl: 1rem;

  /* Motion */
  --t-fast: .12s cubic-bezier(.4, 0, .2, 1);
  --t-base: .22s cubic-bezier(.4, 0, .2, 1);
  --t-slow: .42s cubic-bezier(.4, 0, .2, 1);
}

/* ========================================================================
   Base
   ======================================================================== */

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
html, body { height: 100%; }
body {
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  color: var(--ink);
  background: #fff;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5 {
  font-family: 'Barlow Condensed', 'Inter', system-ui, sans-serif;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -.005em;
  color: var(--ink);
}
h1 { font-weight: 800; letter-spacing: -.018em; }
.text-white h1, .text-white h2, .text-white h3, .text-white h4 { color: #fff; }

p { line-height: 1.65; }
a { color: inherit; }

/* Selection */
::selection { background: var(--amber-500); color: var(--steel-950); }

/* Focus */
:focus-visible { outline: 3px solid var(--amber-400); outline-offset: 2px; border-radius: 2px; }

/* ========================================================================
   Surfaces
   ======================================================================== */

/* Steel-scale background utilities (Tailwind CDN doesn't know our custom palette) */
.bg-steel        { background: var(--steel-900); }
.bg-steel-1000   { background: var(--steel-1000); }
.bg-steel-950    { background: var(--steel-950); }
.bg-steel-900    { background: var(--steel-900); }
.bg-steel-850    { background: var(--steel-850); }
.bg-steel-800    { background: var(--steel-800); }
.bg-steel-700    { background: var(--steel-700); }
.bg-steel-600    { background: var(--steel-600); }
.bg-steel-500    { background: var(--steel-500); }
.bg-steel-400    { background: var(--steel-400); }
.bg-steel-300    { background: var(--steel-300); }
.bg-steel-200    { background: var(--steel-200); }
.bg-steel-100    { background: var(--steel-100); }
.bg-steel-50     { background: var(--steel-50); }
/* Text-color utilities for the steel scale */
.text-steel-1000 { color: var(--steel-1000); }
.text-steel-950  { color: var(--steel-950); }
.text-steel-900  { color: var(--steel-900); }
.text-steel-700  { color: var(--steel-700); }
.text-steel-500  { color: var(--steel-500); }
.text-steel-400  { color: var(--steel-400); }
.text-steel-300  { color: var(--steel-300); }
.text-steel-200  { color: var(--steel-200); }
.text-steel-100  { color: var(--steel-100); }
/* Border utilities */
.border-steel-700 { border-color: var(--steel-700); }
.border-steel-800 { border-color: var(--steel-800); }
.border-steel-300 { border-color: var(--steel-300); }
.border-line     { border-color: var(--line); }
/* Amber utilities (Tailwind has these but JIT-CDN sometimes misses arbitrary tints) */
.text-amber-300  { color: var(--amber-300); }
.text-amber-400  { color: var(--amber-400); }
.text-amber-500  { color: var(--amber-500); }
.text-amber-600  { color: var(--amber-600); }
.text-amber-700  { color: var(--amber-700); }
.bg-amber-400    { background: var(--amber-400); }
.bg-amber-500    { background: var(--amber-500); }

.bg-steel-deep   { background: var(--grad-steel); position: relative; }
.bg-steel-deep::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: var(--grad-glow); opacity: .9;
}
.bg-steel-deep > * { position: relative; z-index: 1; }

.bg-paper { background: var(--paper); }

.text-amber { color: var(--amber-500); }
.text-safety { color: var(--safety-500); }

/* Industrial grid texture */
.grid-overlay {
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 56px 56px;
  background-position: -1px -1px;
}

/* Subtle noise (uses an inline data URI) */
.noise {
  position: relative;
}
.noise::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 .04 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  opacity: .5; mix-blend-mode: overlay;
}

/* Diagonal industrial divider */
.diagonal-bottom { clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - 36px)); }
.diagonal-top    { clip-path: polygon(0 36px, 100% 0, 100% 100%, 0 100%); }

/* ========================================================================
   Buttons
   ======================================================================== */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  padding: .9rem 1.35rem;
  font-weight: 600; font-size: .94rem; line-height: 1;
  border-radius: var(--r-sm);
  letter-spacing: -.005em;
  transition: transform var(--t-fast), background var(--t-fast), border-color var(--t-fast), box-shadow var(--t-fast), color var(--t-fast);
  cursor: pointer; user-select: none;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn svg { width: 16px; height: 16px; flex: none; }

.btn-primary {
  background: var(--grad-amber);
  color: #1a0f00;
  box-shadow: var(--shadow-2), inset 0 1px 0 rgba(255,255,255,.35);
}
.btn-primary:hover { box-shadow: var(--shadow-glow), inset 0 1px 0 rgba(255,255,255,.4); transform: translateY(-1px); }

.btn-ghost {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,.22);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { border-color: var(--amber-400); color: var(--amber-400); background: rgba(255,255,255,.04); }

.btn-dark {
  background: var(--steel-900);
  color: #fff;
  box-shadow: var(--shadow-2);
}
.btn-dark:hover { background: var(--steel-800); transform: translateY(-1px); }

.btn-light {
  background: #fff; color: var(--ink);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-1);
}
.btn-light:hover { border-color: var(--amber-500); color: var(--amber-700); }

.btn-sm { padding: .55rem .85rem; font-size: .82rem; }
.btn-lg { padding: 1.05rem 1.7rem; font-size: 1rem; }

/* ========================================================================
   Cards
   ======================================================================== */

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  transition: transform var(--t-base), box-shadow var(--t-base), border-color var(--t-base);
  box-shadow: var(--shadow-1);
  overflow: hidden;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-3);
  border-color: var(--steel-300);
}
.card-feature {
  position: relative;
  isolation: isolate;
}
.card-feature::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, transparent 30%, rgba(245,158,11,.5) 100%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0; transition: opacity var(--t-base);
  pointer-events: none;
}
.card-feature:hover::before { opacity: 1; }

.card-dark {
  background: var(--steel-900);
  border-color: var(--steel-700);
  color: #fff;
}
.card-dark:hover { border-color: var(--amber-500); }

/* ========================================================================
   Stats / data
   ======================================================================== */

.stat-num {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 3rem;
  line-height: 1;
  color: var(--amber-500);
  letter-spacing: -.02em;
}
.stat-num.lg { font-size: 4rem; }
.stat-label {
  font-size: .82rem; color: var(--ink-3); margin-top: .35rem;
  letter-spacing: .02em;
}

/* Print-style spec table */
.spec-table { width: 100%; border-collapse: collapse; font-size: .94rem; }
.spec-table th, .spec-table td {
  padding: .7rem .9rem; text-align: left; vertical-align: middle;
  border-bottom: 1px solid var(--line);
}
.spec-table th { background: var(--paper-2); font-weight: 600; width: 38%; color: var(--ink-2); font-family: inherit; letter-spacing: 0; }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: 0; }
.spec-table.dark th, .spec-table.dark td { border-color: var(--steel-700); color: #fff; }
.spec-table.dark th { background: var(--steel-800); color: var(--amber-400); font-family: 'Barlow Condensed', sans-serif; letter-spacing: .04em; text-transform: uppercase; font-size: .78rem; }

/* ========================================================================
   Forms
   ======================================================================== */

.field {
  display: block; width: 100%;
  padding: .8rem .95rem;
  border: 1px solid var(--line-2);
  border-radius: var(--r-sm);
  background: #fff;
  font: inherit; font-size: .98rem; color: var(--ink);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.field::placeholder { color: var(--ink-4); }
.field:hover { border-color: var(--steel-400); }
.field:focus {
  outline: none;
  border-color: var(--amber-500);
  box-shadow: 0 0 0 4px rgba(245,158,11,.15);
}
.field[type="file"] { padding: .55rem .95rem; }

.label {
  display: block; font-size: .82rem; font-weight: 600;
  color: var(--steel-900); margin-bottom: .35rem;
  letter-spacing: .005em;
}
.required::after { content: " *"; color: var(--signal-red); }

.chip {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .55rem .85rem;
  font-size: .85rem;
  border: 1px solid var(--line-2);
  border-radius: var(--r-sm);
  background: #fff;
  cursor: pointer;
  transition: all var(--t-fast);
}
.chip:hover { border-color: var(--steel-400); }
.chip.has-checked, .chip:has(input:checked) { background: var(--amber-500); border-color: var(--amber-600); color: var(--steel-950); font-weight: 600; }

/* ========================================================================
   Type accents
   ======================================================================== */

.eyebrow {
  font-size: .76rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--amber-500);
  display: inline-flex; align-items: center; gap: .5rem;
}
.eyebrow::before {
  content: ""; display: inline-block;
  width: 24px; height: 1px; background: var(--amber-500);
}
.eyebrow.no-rule::before { display: none; }

.kbd-tol {
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: .92em;
  letter-spacing: -.005em;
}

.crumbs {
  font-size: .82rem;
  color: var(--steel-300);
  letter-spacing: .005em;
}
.crumbs a { color: var(--steel-200); transition: color var(--t-fast); }
.crumbs a:hover { color: var(--amber-400); }

/* ========================================================================
   Hero / image overlays
   ======================================================================== */

.hero-photo {
  position: relative;
  background-size: cover; background-position: center;
  isolation: isolate;
}
.hero-photo::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(180deg, rgba(6,16,28,.78) 0%, rgba(6,16,28,.65) 60%, rgba(6,16,28,.92) 100%),
    radial-gradient(60% 50% at 30% 30%, rgba(245,158,11,.16) 0%, rgba(245,158,11,0) 60%);
}

.image-tile {
  position: relative;
  background-size: cover; background-position: center;
  border-radius: var(--r-md);
  overflow: hidden;
  isolation: isolate;
  transition: transform var(--t-base);
}
.image-tile::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(6,16,28,.78) 100%);
}
.image-tile:hover { transform: scale(1.02); }
.image-tile-caption {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 1.25rem;
  color: #fff;
  z-index: 2;
}

/* ========================================================================
   Sticky CTA bar (mobile)
   ======================================================================== */

.sticky-cta {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 60;
  display: grid; grid-template-columns: 1fr 1fr;
  background: var(--steel-1000);
  border-top: 1px solid var(--steel-700);
  box-shadow: 0 -4px 20px rgba(0,0,0,.3);
}
.sticky-cta a {
  padding: .95rem; text-align: center; font-weight: 700; color: #fff;
  font-size: .94rem;
  transition: background var(--t-fast);
}
.sticky-cta a + a { border-left: 1px solid var(--steel-700); }
.sticky-cta a:active { background: var(--steel-800); }
.sticky-cta a.cta { background: var(--grad-amber); color: var(--steel-950); }
@media (min-width: 768px) { .sticky-cta { display: none; } }
@media (min-width: 768px) { body { padding-bottom: 0 !important; } }
@media (max-width: 767px) { body { padding-bottom: 56px; } }

/* ========================================================================
   Marquee
   ======================================================================== */

.marquee { overflow: hidden; white-space: nowrap; mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.marquee-track { display: inline-flex; gap: 3.5rem; animation: marquee 50s linear infinite; }
@keyframes marquee { from { transform: translateX(0);} to { transform: translateX(-50%);} }

/* ========================================================================
   Header / navigation
   ======================================================================== */

.site-header {
  background: rgba(6,16,28,.92);
  backdrop-filter: blur(12px) saturate(1.4);
  -webkit-backdrop-filter: blur(12px) saturate(1.4);
  border-bottom: 1px solid var(--steel-700);
  color: #fff;
  position: sticky; top: 0; z-index: 50;
}
.site-header a { transition: color var(--t-fast); }
.nav-link { color: var(--steel-100); font-size: .9rem; font-weight: 500; padding: .35rem 0; position: relative; }
.nav-link:hover { color: var(--amber-400); }
.nav-link.active { color: var(--amber-500); }
.nav-link.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -22px; height: 2px;
  background: var(--amber-500);
}

.dropdown-panel {
  background: var(--steel-900);
  border: 1px solid var(--steel-700);
  border-radius: var(--r-md);
  padding: .4rem;
  box-shadow: var(--shadow-4);
  min-width: 280px;
}
.dropdown-panel a {
  display: flex; align-items: flex-start; gap: .65rem;
  padding: .65rem .8rem;
  border-radius: var(--r-sm);
  color: var(--steel-100);
  font-size: .9rem;
  transition: all var(--t-fast);
}
.dropdown-panel a:hover {
  background: var(--steel-800);
  color: var(--amber-400);
}
.dropdown-panel a strong { color: #fff; font-weight: 600; display: block; }
.dropdown-panel a span { color: var(--steel-300); font-size: .78rem; display: block; }
.dropdown-panel a:hover strong { color: var(--amber-400); }

/* ========================================================================
   Section utilities
   ======================================================================== */

.section { padding: 4.5rem 0; }
.section-tight { padding: 3rem 0; }
.section-loose { padding: 6rem 0; }

.rule {
  height: 1px; background: linear-gradient(90deg, transparent, var(--line) 30%, var(--line) 70%, transparent);
  border: 0;
}
.rule.dark { background: linear-gradient(90deg, transparent, var(--steel-700) 30%, var(--steel-700) 70%, transparent); }

/* Pill badge */
.pill {
  display: inline-flex; align-items: center; gap: .35rem;
  padding: .25rem .65rem;
  font-size: .72rem; font-weight: 600;
  letter-spacing: .08em; text-transform: uppercase;
  background: rgba(245,158,11,.15); color: var(--amber-400);
  border: 1px solid rgba(245,158,11,.35);
  border-radius: 999px;
}

/* Cert badge */
.cert-badge {
  display: flex; align-items: center; gap: .65rem;
  padding: .65rem .85rem;
  background: var(--steel-900);
  border: 1px solid var(--steel-700);
  border-radius: var(--r-sm);
  color: #fff;
  font-size: .82rem;
}
.cert-badge .icon {
  width: 28px; height: 28px;
  display: grid; place-items: center;
  background: rgba(245,158,11,.15);
  color: var(--amber-400);
  border-radius: var(--r-sm);
  flex: none;
}
.cert-badge strong { display: block; font-size: .9rem; font-weight: 700; }
.cert-badge span { color: var(--steel-300); font-size: .72rem; display: block; }

/* Number step */
.step-num {
  display: grid; place-items: center;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--steel-900); color: var(--amber-500);
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700; font-size: 1.4rem;
  border: 1px solid var(--steel-700);
}

/* ========================================================================
   Animations on scroll
   ======================================================================== */

.reveal { opacity: 0; transform: translateY(16px); transition: opacity .7s var(--t-slow), transform .7s var(--t-slow); }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0s !important; animation-iteration-count: 1 !important; transition-duration: 0s !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ========================================================================
   Footer
   ======================================================================== */

.site-footer {
  background: var(--steel-1000);
  color: var(--steel-200);
  font-size: .9rem;
  padding: 4rem 0 2rem;
  position: relative;
  overflow: hidden;
}
.site-footer::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--amber-500) 50%, transparent);
  opacity: .35;
}
.site-footer h4 {
  color: #fff; font-size: .82rem; letter-spacing: .14em; text-transform: uppercase;
  font-family: 'Inter', sans-serif; font-weight: 700;
  margin-bottom: 1rem;
}
.site-footer a { color: var(--steel-200); transition: color var(--t-fast); }
.site-footer a:hover { color: var(--amber-400); }

/* ========================================================================
   Misc helpers
   ======================================================================== */

.aspect-cinema { aspect-ratio: 21 / 9; }
.aspect-card { aspect-ratio: 4 / 3; }

.text-balance { text-wrap: balance; }
.text-pretty { text-wrap: pretty; }

.shadow-photo { box-shadow: var(--shadow-4); border-radius: var(--r-md); }

.divider-amber {
  height: 3px; width: 56px; background: var(--amber-500); border-radius: 999px;
  margin-bottom: 1.25rem;
}

/* link arrow utility */
.link-arrow {
  display: inline-flex; align-items: center; gap: .4rem;
  color: var(--amber-600); font-weight: 600;
  transition: gap var(--t-fast), color var(--t-fast);
}
.link-arrow:hover { gap: .65rem; color: var(--amber-700); }
.link-arrow::after { content: "→"; transition: transform var(--t-fast); }

/* Keep previous section style names working */
.bg-amber { background: var(--amber-500); }

/* ========================================================================
   v2.1 — Premium hero + spec drawing accents
   ======================================================================== */

/* Cinematic Ken-Burns slow pan/zoom on hero photo */
@keyframes kenburns {
  0%   { transform: scale(1.08) translate(0, 0); }
  50%  { transform: scale(1.14) translate(-1.5%, -1%); }
  100% { transform: scale(1.08) translate(0, 0); }
}
.hero-photo .hero-bg-layer {
  position: absolute; inset: 0; z-index: -2;
  background-size: cover; background-position: center;
  animation: kenburns 38s ease-in-out infinite;
  will-change: transform;
}
@media (prefers-reduced-motion: reduce) {
  .hero-photo .hero-bg-layer { animation: none; }
}

/* Featured tolerance — typographic display block with measurement marks */
.tol-display {
  position: relative;
  display: inline-flex; align-items: baseline; gap: .25rem;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 800; line-height: 1;
  letter-spacing: -.025em;
  color: var(--amber-400);
  padding: .15rem .65rem;
}
.tol-display::before, .tol-display::after {
  content: ""; position: absolute; top: 50%; transform: translateY(-50%);
  width: 14px; height: 1px; background: currentColor;
}
.tol-display::before { left: -16px; }
.tol-display::after  { right: -16px; }
.tol-display .pre { font-family: 'JetBrains Mono', monospace; font-weight: 600; font-size: .55em; opacity: .85; align-self: center; }
.tol-display .num { font-size: 1em; }
.tol-display .unit { font-size: .55em; opacity: .85; align-self: center; }

/* Blueprint corner brackets — wrap an element to give it spec-drawing energy */
.bp-corners { position: relative; }
.bp-corners::before, .bp-corners::after {
  content: ""; position: absolute; width: 22px; height: 22px;
  border-color: var(--amber-500);
  border-style: solid;
  pointer-events: none;
}
.bp-corners::before { top: -8px; left: -8px; border-width: 1.5px 0 0 1.5px; }
.bp-corners::after  { bottom: -8px; right: -8px; border-width: 0 1.5px 1.5px 0; }
.bp-corners.steel::before, .bp-corners.steel::after { border-color: var(--steel-300); }

/* Dimension callout — like a spec drawing dimension line */
.dim-callout {
  display: inline-flex; align-items: center; gap: .4rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: .72rem; letter-spacing: .04em;
  color: var(--amber-500);
  text-transform: uppercase;
  font-weight: 600;
}
.dim-callout::before, .dim-callout::after {
  content: ""; flex: 0 0 auto; width: 14px; height: 1px;
  background: currentColor; position: relative;
}
.dim-callout::before { box-shadow: 0 -3px 0 -1px currentColor, 0 3px 0 -1px currentColor; }
.dim-callout::after  { box-shadow: 0 -3px 0 -1px currentColor, 0 3px 0 -1px currentColor; }

/* Trust strip — anonymized customer industry pills */
.trust-strip {
  display: flex; align-items: center; flex-wrap: wrap;
  justify-content: center; gap: 2.5rem;
  padding: 1.5rem 0;
}
.trust-strip-item {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 600; font-size: 1.1rem;
  letter-spacing: .04em;
  color: var(--steel-500);
  display: flex; align-items: center; gap: .5rem;
  text-transform: uppercase;
}
.trust-strip-item svg { color: var(--steel-400); }

/* Case study card — premium gradient + accent bar */
.case-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: transform var(--t-base), box-shadow var(--t-base), border-color var(--t-base);
  position: relative;
  isolation: isolate;
}
.case-card::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px; background: var(--amber-500);
  transform: scaleY(0); transform-origin: top;
  transition: transform .35s var(--t-slow);
}
.case-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-3); }
.case-card:hover::before { transform: scaleY(1); }
.case-card-thumb {
  aspect-ratio: 16/9;
  background: var(--steel-1000);
  background-size: cover; background-position: center;
  position: relative;
}
.case-card-thumb .industry-tag {
  position: absolute; top: 1rem; left: 1rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: .68rem; font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--steel-1000);
  background: var(--amber-500);
  padding: .25rem .6rem; border-radius: 3px;
}
.case-card-body { padding: 1.5rem 1.5rem 1.7rem; }
.case-card-body h3 {
  font-family: 'Barlow Condensed', sans-serif; font-weight: 700;
  font-size: 1.5rem; line-height: 1.15;
}
.case-card-body p { color: var(--ink-3); font-size: .92rem; margin-top: .65rem; line-height: 1.6; }
.case-card-stats {
  display: grid; grid-template-columns: 1fr 1fr 1fr;
  margin-top: 1.4rem; padding-top: 1.1rem;
  border-top: 1px dashed var(--line);
}
.case-card-stats div { padding-right: .5rem; }
.case-card-stats .stat-num-sm {
  font-family: 'Barlow Condensed', sans-serif; font-weight: 700;
  font-size: 1.5rem; color: var(--amber-600); line-height: 1;
}
.case-card-stats .stat-label-sm {
  font-size: .65rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--ink-4); margin-top: .25rem; font-weight: 600;
}

/* "Live" pulse dot for booking indicator */
@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%      { transform: scale(1.3); opacity: .65; }
}
.pulse-dot {
  display: inline-block; width: 8px; height: 8px;
  border-radius: 50%; background: #34d399;
  box-shadow: 0 0 0 3px rgba(52,211,153,.25);
  animation: pulse-dot 2s ease-in-out infinite;
}

/* ========================================================================
   Document-thumbnail mockups (Quality page sample-doc gallery)
   Clean SaaS-style QMS UI: white card, dual-pane layout, status pills,
   monospace measurements. No real images required.
   ======================================================================== */

.doc-thumb {
  position: relative;
  background: linear-gradient(180deg, #0b1626 0%, #06101c 100%);
  display: grid; place-items: center;
  overflow: hidden;
  isolation: isolate;
  padding: 14px;
}
.doc-thumb::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(245,158,11,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245,158,11,.04) 1px, transparent 1px);
  background-size: 22px 22px;
  -webkit-mask-image: radial-gradient(ellipse at center, #000 10%, transparent 70%);
  mask-image: radial-gradient(ellipse at center, #000 10%, transparent 70%);
}

/* QA-system chip in corner */
.doc-thumb::after {
  content: "Procut-CNC · QA System";
  position: absolute; bottom: 6px; right: 8px; z-index: 3;
  font-family: 'JetBrains Mono', monospace;
  font-size: 5px; font-weight: 600; letter-spacing: .12em;
  color: rgba(255,255,255,.4); text-transform: uppercase;
}

/* Inner "paper" — clean white card */
.doc-page {
  position: relative; z-index: 1;
  width: 100%; height: 100%;
  background: #ffffff;
  color: #0f172a;
  border-radius: 4px;
  box-shadow: 0 18px 30px -12px rgba(0,0,0,.55), 0 0 0 1px rgba(255,255,255,.04);
  display: flex; flex-direction: column;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 6px; line-height: 1.25;
  overflow: hidden;
}

/* QMS header strip — dark navy band */
.gf-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 5px 8px;
  background: #0f172a;
  color: #fff;
}
.gf-header .brand {
  display: flex; align-items: center; gap: 4px;
  font-family: 'Inter', sans-serif; font-weight: 700;
  font-size: 6px; letter-spacing: .04em;
}
.gf-header .brand::before {
  content: ""; width: 6px; height: 6px; border-radius: 1px;
  background: var(--amber-500);
}
.gf-header .doc-id {
  font-family: 'JetBrains Mono', monospace;
  font-size: 5px; color: #94a3b8; letter-spacing: .04em;
}

/* QMS status pill */
.gf-pill {
  display: inline-flex; align-items: center; gap: 2px;
  padding: 1.5px 4px; border-radius: 8px;
  font-family: 'Inter', sans-serif; font-size: 5px; font-weight: 600;
  letter-spacing: .02em;
  border: 1px solid;
}
.gf-pill.pass    { color: #047857; background: #d1fae5; border-color: #a7f3d0; }
.gf-pill.fail    { color: #b91c1c; background: #fee2e2; border-color: #fecaca; }
.gf-pill.pending { color: #b45309; background: #fef3c7; border-color: #fde68a; }
.gf-pill.current { color: #1e40af; background: #dbeafe; border-color: #bfdbfe; }
.gf-pill.draft   { color: #6b7280; background: #f3f4f6; border-color: #e5e7eb; }
.gf-pill.review  { color: #b45309; background: #fef3c7; border-color: #fde68a; }
.gf-pill::before {
  content: ""; width: 3px; height: 3px; border-radius: 50%;
  background: currentColor;
}

/* QMS data table */
.gf-table { width: 100%; font-family: 'Inter', sans-serif; font-size: 5px; border-collapse: collapse; }
.gf-table th, .gf-table td {
  padding: 1.6px 3px; text-align: left; vertical-align: middle;
  border-bottom: 1px solid #f1f5f9;
}
.gf-table th {
  background: #f8fafc; color: #64748b;
  font-weight: 600; font-size: 4.5px;
  text-transform: uppercase; letter-spacing: .08em;
}
.gf-table td.mono { font-family: 'JetBrains Mono', monospace; color: #475569; font-size: 4.5px; }
.gf-table td.num  { font-family: 'JetBrains Mono', monospace; font-weight: 500; color: #0f172a; }
.gf-table tr.fail td.num.actual { color: #dc2626; font-weight: 700; }
.gf-table tr.fail td:first-child { position: relative; }
.gf-table tr.fail td:first-child::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 1.5px;
  background: #dc2626;
}

/* Numbered step circle (like GaugeFlow inspection plan) */
.gf-num {
  display: inline-grid; place-items: center;
  width: 11px; height: 11px;
  border-radius: 50%;
  background: #fef3c7; color: var(--amber-700);
  font-family: 'Inter', sans-serif; font-size: 5.5px; font-weight: 700;
  flex: none;
}

/* Progress bar */
.gf-progress {
  height: 2.5px; background: #f1f5f9; border-radius: 999px; overflow: hidden;
  margin-top: 4px;
}
.gf-progress > span { display: block; height: 100%; background: var(--amber-500); border-radius: inherit; }

/* Folder sidebar (Document Control panel) */
.gf-folders { display: flex; flex-direction: column; gap: 1.5px; padding-right: 4px; }
.gf-folder-row {
  display: flex; align-items: center; gap: 3px;
  padding: 2px 4px; border-radius: 2px;
  font-size: 4.5px; color: #475569; font-weight: 500;
}
.gf-folder-row.active { background: #fef3c7; color: var(--amber-700); }
.gf-folder-row .icon {
  width: 6px; height: 5px; border-radius: 1px;
  background: #cbd5e1; flex: none;
}
.gf-folder-row.active .icon { background: var(--amber-500); }
.gf-folder-row .count { margin-left: auto; color: #94a3b8; font-family: 'JetBrains Mono', monospace; font-size: 4.5px; }
.gf-folder-row.active .count { color: var(--amber-600); }

/* Linked-bullet row (Traceability list) */
.gf-link-row {
  display: flex; align-items: center; gap: 4px;
  padding: 2px 0;
  border-bottom: 1px solid #f1f5f9;
  font-size: 5px;
}
.gf-link-row:last-child { border-bottom: 0; }
.gf-link-row .dot {
  width: 4px; height: 4px; border-radius: 50%; background: var(--amber-500);
  flex: none;
}
.gf-link-row .label { font-weight: 600; color: #0f172a; }
.gf-link-row .id { font-family: 'JetBrains Mono', monospace; color: #64748b; margin-left: auto; }

/* === FAI variant: dual-pane drawing + inspection table === */
.doc-fai .gf-body { display: grid; grid-template-columns: 42% 1fr; flex: 1; min-height: 0; }
.doc-fai-drawing {
  background: #f8fafc; border-right: 1px solid #e2e8f0;
  position: relative;
  background-image:
    linear-gradient(#e2e8f0 1px, transparent 1px),
    linear-gradient(90deg, #e2e8f0 1px, transparent 1px);
  background-size: 8px 8px;
  padding: 4px;
}
.doc-fai-drawing .titleblock {
  position: absolute; bottom: 3px; left: 3px; right: 3px;
  background: #fff; border: 1px solid #cbd5e1;
  font-family: 'JetBrains Mono', monospace; font-size: 4px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 1px;
  padding: 2px 3px; line-height: 1.2;
  color: #475569;
}
.doc-fai-drawing .titleblock strong { color: #0f172a; font-weight: 700; }
.doc-fai-drawing svg { width: 100%; height: 70%; }
.doc-fai-table { padding: 3px 4px; overflow: hidden; }
.doc-fai-tablehead {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 2px;
}
.doc-fai-tablehead .label {
  font-family: 'Inter', sans-serif; font-weight: 700; font-size: 5.5px;
  color: #0f172a;
}
.doc-fai-tablehead .progress {
  font-family: 'JetBrains Mono', monospace; font-size: 4.5px; color: #475569;
}

/* === CMM variant: full inspection table === */
.doc-cmm .gf-body { padding: 4px 5px; flex: 1; overflow: hidden; }
.doc-cmm-progress {
  height: 2px; background: #f1f5f9; border-radius: 1px; overflow: hidden;
  margin-top: 3px;
}
.doc-cmm-progress > span { display: block; height: 100%; background: #10b981; }

/* === MTR variant: cert layout with traceability chain === */
.doc-mtr .gf-body { padding: 5px 6px; flex: 1; }
.doc-mtr-title-row {
  display: flex; justify-content: space-between; align-items: baseline;
  padding-bottom: 3px; border-bottom: 2px solid #0f172a;
}
.doc-mtr-title-row .title {
  font-family: 'Inter', sans-serif; font-weight: 700; font-size: 6.5px;
  color: #0f172a;
}
.doc-mtr-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 2px 6px; margin-top: 4px; font-size: 5px; }
.doc-mtr-meta .k { color: #64748b; font-weight: 500; text-transform: uppercase; letter-spacing: .04em; font-size: 4.2px; }
.doc-mtr-meta .v { font-family: 'JetBrains Mono', monospace; color: #0f172a; font-weight: 600; }
.doc-mtr-chain { margin-top: 4px; }
.doc-mtr-chain .row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 2px 0; border-bottom: 1px solid #f1f5f9;
  font-size: 5px;
}
.doc-mtr-chain .row:last-child { border-bottom: 0; }
.doc-mtr-chain .row .k { color: #475569; }
.doc-mtr-chain .row .v { font-family: 'JetBrains Mono', monospace; color: #0f172a; }

/* === Calibration Log variant === */
.doc-cal .gf-body { padding: 4px 5px; flex: 1; overflow: hidden; }

/* === PPAP variant: stack of QMS pages === */
.doc-ppap { padding: 14px; }
.doc-ppap-stack { position: relative; width: 100%; height: 100%; }
.doc-ppap-stack .doc-page { position: absolute; width: 100%; height: 100%; }
.doc-ppap-stack .doc-page:nth-child(1) { transform: rotate(-3.5deg) translate(-4%, -3%); opacity: .8; }
.doc-ppap-stack .doc-page:nth-child(2) { transform: rotate(2deg) translate(3%, 1.5%); opacity: .9; }
.doc-ppap-stack .doc-page:nth-child(3) { transform: none; box-shadow: 0 22px 36px -12px rgba(0,0,0,.65), 0 0 0 1px rgba(255,255,255,.05); }
.doc-ppap-tag {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  z-index: 5;
  padding: 4px 9px; background: var(--amber-500); color: #1a0f00;
  font-family: 'Inter', sans-serif; font-size: 8px; font-weight: 800;
  letter-spacing: .14em; border-radius: 3px;
  box-shadow: 0 6px 14px -4px rgba(0,0,0,.4);
}

/* === QMS Manual variant — Document Control panel style === */
.doc-qms .gf-body { padding: 4px 5px; flex: 1; overflow: hidden; }
.doc-qms-folders {
  display: flex; gap: 3px; flex-wrap: wrap;
  padding: 2px 0 4px;
  border-bottom: 1px solid #f1f5f9;
}
.doc-qms-folder {
  display: inline-flex; align-items: center; gap: 2px;
  padding: 1.5px 4px; background: #f8fafc;
  border: 1px solid #e2e8f0; border-radius: 2px;
  font-size: 4.5px; color: #475569; font-weight: 500;
}
.doc-qms-folder .count {
  background: #0f172a; color: #fff;
  padding: 0px 2.5px; border-radius: 2px; font-size: 4px;
  margin-left: 1px;
}

/* Spec-drawing background grid — for premium dark sections */
.spec-grid-bg {
  position: relative; isolation: isolate;
}
.spec-grid-bg::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background-image:
    linear-gradient(rgba(245,158,11,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245,158,11,.06) 1px, transparent 1px),
    linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
  background-size: 96px 96px, 96px 96px, 24px 24px, 24px 24px;
  background-position: -1px -1px;
  -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
}