/* ============================================================
   JADDI HKGN FABRICATION — Design System
   Style: Industrial Precision (Minimalism & Swiss Style, dark-first)
   Palette: Industrial grey + safety orange
   Type: Inter (UI/display) + JetBrains Mono (technical labels)
   ============================================================ */

/* ---------- 1. TOKENS ---------- */
:root {
  /* Steel ramp — the industrial grey spine of the brand */
  --steel-950: #08090b;
  --steel-900: #0e1013;
  --steel-870: #121519;
  --steel-850: #16191f;
  --steel-800: #1c2027;
  --steel-750: #232830;
  --steel-700: #2b313a;
  --steel-600: #3c444f;
  --steel-500: #566069;
  --steel-400: #838d98;
  --steel-300: #aeb6bf;
  --steel-200: #ced4da;
  --steel-100: #e7ebef;
  --steel-050: #f5f7f9;

  /* Safety orange — CTA + accent only, never decorative filler */
  --accent: #f97316;
  --accent-bright: #fb923c;
  --accent-deep: #ea580c;
  --on-accent: #0a0b0d;

  /* Semantic surface tokens (dark-first) */
  --color-background: var(--steel-950);
  --color-surface: var(--steel-900);
  --color-surface-2: var(--steel-850);
  --color-card: var(--steel-870);
  --color-foreground: var(--steel-100);
  --color-muted-foreground: var(--steel-300);
  --color-faint-foreground: var(--steel-400);
  --color-border: rgba(174, 182, 191, 0.14);
  --color-border-strong: rgba(174, 182, 191, 0.26);
  --color-ring: var(--accent-bright);
  --color-success: #4ade80;
  --color-destructive: #f87171;

  /* Type scale — fluid, clamp-based */
  --font-sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: clamp(1.2rem, 0.5vw + 1.05rem, 1.375rem);
  --text-2xl: clamp(1.45rem, 1vw + 1.2rem, 1.875rem);
  --text-3xl: clamp(1.8rem, 1.8vw + 1.35rem, 2.5rem);
  --text-4xl: clamp(2.2rem, 3vw + 1.5rem, 3.5rem);
  --text-5xl: clamp(2.75rem, 5vw + 1.5rem, 5rem);
  --text-6xl: clamp(3rem, 7vw + 1.2rem, 6.5rem);

  /* Spacing — density 4/10 (standard, marketing-weight) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;
  --space-10: 128px;

  /* Radii — sharp, machined. Almost no rounding. */
  --radius-sm: 2px;
  --radius: 3px;
  --radius-lg: 4px;
  --radius-pill: 999px;

  /* Elevation — hard, directional shadows (Swiss/industrial, not soft glow) */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow: 0 8px 24px -8px rgba(0, 0, 0, 0.7);
  --shadow-lg: 0 24px 60px -20px rgba(0, 0, 0, 0.85);
  --shadow-accent: 0 12px 40px -14px rgba(249, 115, 22, 0.55);

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --dur-fast: 150ms;
  --dur: 240ms;
  --dur-slow: 600ms;

  --container: 1240px;
  --nav-h: 72px;

  color-scheme: dark;
}

/* ---------- 2. RESET / BASE ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-background);
  color: var(--color-foreground);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg, canvas, video { display: block; max-width: 100%; }
img { height: auto; }

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  text-wrap: balance;
}
p { margin: 0; text-wrap: pretty; }
ul, ol { margin: 0; padding: 0; list-style: none; }

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--dur) var(--ease-out);
}

/* Standalone navigational links need a 44px-tall hit area, not just a
   44px-wide one — inline text links are only ~17px tall by default. */
.nav__link,
.footer__links a,
.footer__contact a,
.breadcrumb a,
.hero__meta-v a,
.spec-list a,
.contact-card a.big {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}
.brand { min-height: 44px; }

button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; }

::selection { background: var(--accent); color: var(--on-accent); }

/* Visible, high-contrast focus ring on every interactive element */
:focus-visible {
  outline: 2px solid var(--color-ring);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.skip-link {
  position: absolute;
  left: var(--space-4);
  top: -100px;
  z-index: 200;
  padding: var(--space-3) var(--space-5);
  background: var(--accent);
  color: var(--on-accent);
  font-weight: 700;
  border-radius: var(--radius);
  transition: top var(--dur) var(--ease-out);
}
.skip-link:focus-visible { top: var(--space-4); }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- 3. LAYOUT PRIMITIVES ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-5);
}
@media (min-width: 768px) { .container { padding-inline: var(--space-7); } }

.section { padding-block: var(--space-9); position: relative; }
.section--tight { padding-block: var(--space-8); }
@media (max-width: 640px) {
  .section { padding-block: var(--space-8); }
}

.section-head { max-width: 760px; margin-bottom: var(--space-7); }
.section-head--center { margin-inline: auto; text-align: center; }

/* Eyebrow: mono, tracked, orange — the "spec label" motif */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-bright);
  margin-bottom: var(--space-4);
}
.eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--accent);
}

.section-title { font-size: var(--text-4xl); }
.section-sub {
  margin-top: var(--space-4);
  font-size: var(--text-lg);
  color: var(--color-muted-foreground);
  max-width: 62ch;
}
.section-head--center .section-sub { margin-inline: auto; }

.rule { height: 1px; background: var(--color-border); border: 0; margin: 0; }

/* ---------- 4. BUTTONS ---------- */
.btn {
  --btn-bg: transparent;
  --btn-fg: var(--color-foreground);
  --btn-bd: var(--color-border-strong);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 48px;
  padding: 0 var(--space-6);
  background: var(--btn-bg);
  color: var(--btn-fg);
  border: 1px solid var(--btn-bd);
  border-radius: var(--radius);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.02em;
  text-align: center;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: background var(--dur) var(--ease-out),
              color var(--dur) var(--ease-out),
              border-color var(--dur) var(--ease-out),
              transform var(--dur) var(--ease-out),
              box-shadow var(--dur) var(--ease-out);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  --btn-bg: var(--accent);
  --btn-fg: var(--on-accent);
  --btn-bd: var(--accent);
  box-shadow: var(--shadow-accent);
}
.btn--primary:hover { --btn-bg: var(--accent-bright); --btn-bd: var(--accent-bright); }

.btn--ghost:hover {
  --btn-bg: rgba(231, 235, 239, 0.07);
  --btn-bd: var(--color-border-strong);
}

.btn--lg { min-height: 56px; padding: 0 var(--space-7); font-size: var(--text-base); }
.btn--block { width: 100%; }

.btn svg { width: 18px; height: 18px; flex: none; }

/* ---------- 5. NAV ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background var(--dur) var(--ease-out),
              border-color var(--dur) var(--ease-out),
              backdrop-filter var(--dur) var(--ease-out);
}
.nav.is-stuck {
  background: rgba(8, 9, 11, 0.82);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--color-border);
}
.nav__inner {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
@media (min-width: 768px) { .nav__inner { padding-inline: var(--space-7); } }

.brand { display: flex; align-items: center; gap: var(--space-3); margin-right: auto; }
.brand__mark { width: 34px; height: 34px; flex: none; }
.brand__text { display: flex; flex-direction: column; line-height: 1; }
.brand__name { font-size: 0.95rem; font-weight: 800; letter-spacing: -0.01em; }
.brand__sub {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-faint-foreground);
  margin-top: 3px;
}

.nav__links { display: none; align-items: center; gap: var(--space-6); }
@media (min-width: 1024px) { .nav__links { display: flex; } }
.nav__link {
  position: relative;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-muted-foreground);
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 9px;
  width: 100%;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur) var(--ease-out);
}
.nav__link:hover, .nav__link[aria-current="page"] { color: var(--color-foreground); }
.nav__link:hover::after, .nav__link[aria-current="page"]::after { transform: scaleX(1); }

.nav__cta { display: none; }
@media (min-width: 640px) { .nav__cta { display: inline-flex; } }

.nav__toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px; height: 48px;
  margin-right: -12px;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-foreground);
}
@media (min-width: 1024px) { .nav__toggle { display: none; } }
.nav__toggle svg { width: 20px; height: 20px; }
.nav__toggle .icon-close { display: none; }
.nav__toggle[aria-expanded="true"] .icon-close { display: block; }
.nav__toggle[aria-expanded="true"] .icon-menu { display: none; }

/* Mobile drawer */
.mobile-menu {
  position: fixed;
  inset: var(--nav-h) 0 0 0;
  z-index: 99;
  background: rgba(8, 9, 11, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: var(--space-6) var(--space-5) var(--space-8);
  overflow-y: auto;
  transform: translateY(-8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur) var(--ease-out),
              transform var(--dur) var(--ease-out),
              visibility 0s linear var(--dur);
}
.mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition-delay: 0s;
}
.mobile-menu__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 56px;
  padding-block: var(--space-3);
  border-bottom: 1px solid var(--color-border);
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
}
.mobile-menu__link .idx {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--accent-bright);
}
.mobile-menu__actions { display: grid; gap: var(--space-3); margin-top: var(--space-6); }

/* ---------- 6. HERO ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--nav-h) + var(--space-7));
  padding-bottom: var(--space-8);
  overflow: hidden;
  isolation: isolate;
}
.hero__canvas { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; }

/* Static fallback shown when WebGL is unavailable */
.hero__fallback {
  position: absolute;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(120% 80% at 78% 30%, rgba(249, 115, 22, 0.16), transparent 60%),
    radial-gradient(90% 70% at 20% 80%, rgba(86, 96, 105, 0.28), transparent 65%),
    linear-gradient(180deg, var(--steel-900), var(--steel-950));
}
.hero__scrim {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(8, 9, 11, 0.94) 0%, rgba(8, 9, 11, 0.72) 42%, rgba(8, 9, 11, 0.18) 75%, rgba(8, 9, 11, 0.45) 100%),
    linear-gradient(180deg, rgba(8, 9, 11, 0.7) 0%, transparent 22%, transparent 65%, rgba(8, 9, 11, 0.9) 100%);
  pointer-events: none;
}
@media (max-width: 900px) {
  .hero__scrim { background: linear-gradient(180deg, rgba(8,9,11,0.72) 0%, rgba(8,9,11,0.58) 40%, rgba(8,9,11,0.93) 100%); }
}

.hero__grid { position: relative; z-index: 1; width: 100%; }
.hero__content { max-width: 680px; }

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-pill);
  background: rgba(20, 23, 28, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  font-size: var(--text-sm);
  color: var(--color-muted-foreground);
  margin-bottom: var(--space-5);
}
.hero__badge strong { color: var(--color-foreground); font-weight: 700; }
.stars { display: inline-flex; gap: 2px; color: var(--accent-bright); }
.stars svg { width: 14px; height: 14px; }

.hero__title { font-size: var(--text-6xl); letter-spacing: -0.045em; line-height: 0.94; }
.hero__title .line { display: block; }
.hero__title .accent { color: var(--accent-bright); }

.hero__lede {
  margin-top: var(--space-5);
  font-size: var(--text-lg);
  color: var(--color-muted-foreground);
  max-width: 54ch;
}

.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-6); }

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  margin-top: var(--space-7);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
}
.hero__meta-item { display: flex; flex-direction: column; gap: 2px; }
.hero__meta-k {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-faint-foreground);
}
.hero__meta-v { font-size: var(--text-base); font-weight: 700; }

.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: var(--space-5);
  transform: translateX(-50%);
  z-index: 2;
  display: none;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-faint-foreground);
}
@media (min-width: 1024px) { .scroll-cue { display: flex; } }
.scroll-cue__track { width: 1px; height: 44px; background: var(--color-border-strong); position: relative; overflow: hidden; }
.scroll-cue__track::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  height: 14px;
  background: var(--accent);
  animation: cue 2s var(--ease-in-out) infinite;
}
@keyframes cue { 0% { top: -14px; } 60%, 100% { top: 44px; } }

/* ---------- 7. MARQUEE ---------- */
.marquee {
  border-block: 1px solid var(--color-border);
  background: var(--steel-900);
  overflow: hidden;
  padding-block: var(--space-4);
}
.marquee__track { display: flex; width: max-content; gap: var(--space-6); animation: marquee 42s linear infinite; }
.marquee:hover .marquee__track,
.marquee:focus-within .marquee__track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }
.marquee__item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-6);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-faint-foreground);
  white-space: nowrap;
}
.marquee__item::after { content: ""; width: 5px; height: 5px; background: var(--accent); transform: rotate(45deg); }

/* ---------- 8. STATS ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
@media (min-width: 900px) { .stats { grid-template-columns: repeat(4, 1fr); } }
.stat { background: var(--color-surface); padding: var(--space-6) var(--space-5); transition: background var(--dur) var(--ease-out); }
.stat:hover { background: var(--color-surface-2); }
.stat__v {
  font-size: var(--text-4xl);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.stat__v .unit { color: var(--accent-bright); }
.stat__k {
  margin-top: var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-faint-foreground);
}

/* ---------- 9. SERVICE CARDS (3D tilt) ---------- */
.cards { display: grid; grid-template-columns: 1fr; gap: var(--space-5); }
@media (min-width: 700px) { .cards { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1040px) { .cards { grid-template-columns: repeat(3, 1fr); } }

.tilt { perspective: 1100px; }

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: var(--space-6);
  background: linear-gradient(160deg, var(--steel-870), var(--steel-900));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transform-style: preserve-3d;
  transition: border-color var(--dur) var(--ease-out),
              box-shadow var(--dur) var(--ease-out),
              transform 500ms var(--ease-out);
  will-change: transform;
}
.card::before {
  /* moving specular sheen — reads as brushed metal catching light */
  content: "";
  position: absolute;
  inset: -1px;
  background: radial-gradient(340px circle at var(--mx, 50%) var(--my, 0%),
              rgba(249, 115, 22, 0.16), transparent 62%);
  opacity: 0;
  transition: opacity var(--dur) var(--ease-out);
  pointer-events: none;
}
.card:hover, .card:focus-within { border-color: var(--color-border-strong); box-shadow: var(--shadow-lg); }
.card:hover::before, .card:focus-within::before { opacity: 1; }

.card__icon {
  width: 52px; height: 52px;
  display: grid;
  place-items: center;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius);
  background: rgba(249, 115, 22, 0.08);
  color: var(--accent-bright);
  margin-bottom: var(--space-5);
  transform: translateZ(28px);
}
.card__icon svg { width: 24px; height: 24px; }

.card__num {
  position: absolute;
  top: var(--space-5);
  right: var(--space-5);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: #7a838d;
  transform: translateZ(14px);
}
.card__title { font-size: var(--text-xl); font-weight: 700; letter-spacing: -0.02em; transform: translateZ(22px); }
.card__body { margin-top: var(--space-3); font-size: var(--text-sm); color: var(--color-muted-foreground); transform: translateZ(14px); }
.card__list {
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  transform: translateZ(10px);
}
.chip {
  display: inline-block;
  padding: 4px var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-faint-foreground);
  white-space: nowrap;
}
.card__link {
  margin-top: auto;
  padding-top: var(--space-5);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--accent-bright);
  transform: translateZ(18px);
}
.card__link svg { width: 16px; height: 16px; transition: transform var(--dur) var(--ease-out); }
.card:hover .card__link svg { transform: translateX(4px); }
/* Stretched link keeps the whole card clickable without nesting anchors */
.card__link::after { content: ""; position: absolute; inset: 0; }

/* ---------- 10. 3D CONFIGURATOR ---------- */
.configurator { display: grid; gap: var(--space-6); align-items: stretch; }
@media (min-width: 1000px) { .configurator { grid-template-columns: 1.35fr 1fr; gap: var(--space-7); } }

.stage {
  position: relative;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(70% 60% at 50% 15%, rgba(60, 68, 79, 0.35), transparent 70%),
    linear-gradient(180deg, var(--steel-870), var(--steel-950));
  overflow: hidden;
  /* width must be definite before aspect-ratio, otherwise min-height
     drives the width and the box overflows narrow viewports */
  width: 100%;
  max-width: 100%;
  aspect-ratio: 4 / 3;
  min-height: 320px;
  touch-action: pan-y;
}
@media (min-width: 1000px) { .stage { aspect-ratio: auto; min-height: 460px; } }
.stage__canvas { position: absolute; inset: 0; width: 100%; height: 100%; cursor: grab; }
.stage__canvas:active { cursor: grabbing; }

/* Blueprint grid overlay reinforces the engineering-drawing metaphor */
.stage__grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(174, 182, 191, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(174, 182, 191, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(75% 75% at 50% 50%, #000 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(75% 75% at 50% 50%, #000 40%, transparent 100%);
}
.stage__hint {
  position: absolute;
  left: var(--space-4);
  bottom: var(--space-4);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: rgba(8, 9, 11, 0.7);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-faint-foreground);
  pointer-events: none;
}
.stage__hint svg { width: 14px; height: 14px; }
.stage__readout {
  position: absolute;
  right: var(--space-4);
  top: var(--space-4);
  text-align: right;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-faint-foreground);
  pointer-events: none;
}
.stage__readout b { display: block; color: var(--accent-bright); font-size: var(--text-sm); letter-spacing: 0.04em; }

.spec-panel { display: flex; flex-direction: column; }
.spec-tabs { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-2); margin-bottom: var(--space-5); }
@media (min-width: 480px) { .spec-tabs { grid-template-columns: repeat(4, 1fr); } }
@media (min-width: 1000px) { .spec-tabs { grid-template-columns: repeat(2, 1fr); } }

.spec-tab {
  min-height: 48px;
  padding: var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-muted-foreground);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: background var(--dur) var(--ease-out), color var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out);
}
.spec-tab:hover { border-color: var(--color-border-strong); color: var(--color-foreground); }
.spec-tab[aria-selected="true"] { background: var(--accent); border-color: var(--accent); color: var(--on-accent); font-weight: 700; }

.spec-body {
  flex: 1;
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.spec-body h3 { font-size: var(--text-2xl); }
.spec-body > p { margin-top: var(--space-3); color: var(--color-muted-foreground); font-size: var(--text-sm); }
.spec-list { margin-top: var(--space-5); display: grid; gap: 1px; background: var(--color-border); border-block: 1px solid var(--color-border); }
.spec-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-4);
  padding: var(--space-3) 0;
  background: var(--color-surface);
  font-size: var(--text-sm);
}
.spec-list .k {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-faint-foreground);
}
.spec-list .v { font-weight: 600; text-align: right; }

/* ---------- 11. PROCESS ---------- */
.process { display: grid; gap: 1px; background: var(--color-border); border-block: 1px solid var(--color-border); }
@media (min-width: 760px) { .process { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .process { grid-template-columns: repeat(5, 1fr); } }

.step { background: var(--color-background); padding: var(--space-6) var(--space-5); position: relative; transition: background var(--dur) var(--ease-out); }
.step:hover { background: var(--color-surface); }
.step__n { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.16em; color: var(--accent-bright); }
.step__t { margin-top: var(--space-4); font-size: var(--text-lg); font-weight: 700; letter-spacing: -0.02em; }
.step__d { margin-top: var(--space-3); font-size: var(--text-sm); color: var(--color-muted-foreground); }
.step__bar {
  position: absolute;
  left: 0; top: 0;
  width: 100%; height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-slow) var(--ease-out);
}
.step:hover .step__bar, .step.is-in .step__bar { transform: scaleX(1); }

/* ---------- 12. SPLIT / FEATURE ---------- */
.split { display: grid; gap: var(--space-7); align-items: center; }
@media (min-width: 960px) { .split { grid-template-columns: 1fr 1fr; gap: var(--space-9); } }
@media (min-width: 960px) { .split--reverse > *:first-child { order: 2; } }

.feature-list { display: grid; gap: var(--space-5); margin-top: var(--space-6); }
.feature { display: grid; grid-template-columns: 44px 1fr; gap: var(--space-4); align-items: start; }
.feature__ic {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius);
  color: var(--accent-bright);
}
.feature__ic svg { width: 20px; height: 20px; }
.feature h3 { font-size: var(--text-base); font-weight: 700; }
.feature p { margin-top: var(--space-2); font-size: var(--text-sm); color: var(--color-muted-foreground); }

/* Layered 3D visual block */
.visual {
  position: relative;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, var(--steel-850), var(--steel-950));
  aspect-ratio: 4 / 3.2;
  overflow: hidden;
}
.visual__canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.visual__tag {
  position: absolute;
  left: var(--space-4); top: var(--space-4);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-faint-foreground);
}

/* ---------- 13. REVIEWS ---------- */
.reviews { display: grid; gap: var(--space-5); }
@media (min-width: 760px) { .reviews { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1080px) { .reviews { grid-template-columns: repeat(3, 1fr); } }

.review {
  display: flex;
  flex-direction: column;
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: transform var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out);
}
.review:hover { transform: translateY(-4px); border-color: var(--color-border-strong); }
.review__stars { margin-bottom: var(--space-4); }
.review__q { font-size: var(--text-base); color: var(--color-foreground); }
.review__tags { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-5); }
.review__who { margin-top: auto; padding-top: var(--space-5); display: flex; align-items: center; gap: var(--space-3); }
.avatar {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--steel-750);
  border: 1px solid var(--color-border-strong);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--accent-bright);
  flex: none;
}
.review__name { font-size: var(--text-sm); font-weight: 700; }
.review__date { font-family: var(--font-mono); font-size: 0.72rem; color: var(--color-faint-foreground); }

/* ---------- 14. CTA BAND ---------- */
.cta-band {
  position: relative;
  overflow: hidden;
  border-block: 1px solid var(--color-border);
  background:
    radial-gradient(80% 120% at 85% 0%, rgba(249, 115, 22, 0.18), transparent 62%),
    linear-gradient(180deg, var(--steel-900), var(--steel-950));
}
.cta-band__inner { display: grid; gap: var(--space-6); align-items: center; padding-block: var(--space-9); }
@media (min-width: 900px) { .cta-band__inner { grid-template-columns: 1.4fr auto; gap: var(--space-8); } }
.cta-band h2 { font-size: var(--text-4xl); }
.cta-band p { margin-top: var(--space-4); color: var(--color-muted-foreground); font-size: var(--text-lg); max-width: 52ch; }
.cta-band__actions { display: flex; flex-wrap: wrap; gap: var(--space-3); }

/* ---------- 15. FORMS ---------- */
.form { display: grid; gap: var(--space-5); }
.field { display: grid; gap: var(--space-2); }
.field label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted-foreground);
}
.field .req { color: var(--accent-bright); }
.field input, .field textarea, .field select {
  width: 100%;
  min-height: 50px;
  padding: var(--space-3) var(--space-4);
  background: var(--steel-900);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius);
  color: var(--color-foreground);
  font-size: var(--text-base);
  transition: border-color var(--dur) var(--ease-out), background var(--dur) var(--ease-out);
}
.field textarea { min-height: 128px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: var(--steel-400); }
.field input:hover, .field textarea:hover, .field select:hover { border-color: var(--steel-500); }
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--accent); background: var(--steel-870); }
.field .hint { font-size: var(--text-xs); color: var(--color-faint-foreground); }
.field .error { font-size: var(--text-sm); color: var(--color-destructive); display: none; }
.field.has-error input, .field.has-error textarea, .field.has-error select { border-color: var(--color-destructive); }
.field.has-error .error { display: block; }

.form-grid { display: grid; gap: var(--space-5); }
@media (min-width: 640px) { .form-grid--2 { grid-template-columns: 1fr 1fr; } }

.error-summary {
  display: none;
  padding: var(--space-5);
  border: 1px solid var(--color-destructive);
  border-left-width: 3px;
  border-radius: var(--radius);
  background: rgba(248, 113, 113, 0.08);
}
.error-summary.is-visible { display: block; }
.error-summary h2 { font-size: var(--text-lg); color: var(--color-destructive); }
.error-summary ul { margin-top: var(--space-3); display: grid; gap: var(--space-2); }
.error-summary a { color: var(--color-destructive); text-decoration: underline; font-size: var(--text-sm); }

.form-success {
  display: none;
  padding: var(--space-5);
  border: 1px solid rgba(74, 222, 128, 0.4);
  border-left-width: 3px;
  border-radius: var(--radius);
  background: rgba(74, 222, 128, 0.08);
  color: var(--color-success);
}
.form-success.is-visible { display: block; }

/* ---------- 16. FOOTER ---------- */
.footer { border-top: 1px solid var(--color-border); background: var(--steel-900); padding-block: var(--space-8) var(--space-6); }
.footer__grid { display: grid; gap: var(--space-7); }
@media (min-width: 760px) { .footer__grid { grid-template-columns: 1.6fr 1fr 1fr; } }
@media (min-width: 1060px) { .footer__grid { grid-template-columns: 1.8fr 1fr 1fr 1.2fr; } }
.footer h3 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-faint-foreground);
  margin-bottom: var(--space-4);
}
.footer__links { display: grid; }
.footer__links a { font-size: var(--text-sm); color: var(--color-muted-foreground); }
.footer__links a:hover { color: var(--accent-bright); }
.footer__blurb { margin-top: var(--space-4); font-size: var(--text-sm); color: var(--color-muted-foreground); max-width: 40ch; }
.footer__contact { display: grid; gap: var(--space-4); font-size: var(--text-sm); color: var(--color-muted-foreground); }
.footer__contact a:hover { color: var(--accent-bright); }
.footer__row { display: flex; gap: var(--space-3); align-items: flex-start; }
.footer__row svg { width: 18px; height: 18px; color: var(--accent-bright); flex: none; margin-top: 2px; }
.footer__bottom {
  margin-top: var(--space-8);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--color-faint-foreground);
}

.footer__credit { display: inline-flex; align-items: center; gap: 0.4em; }
.footer__credit a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--color-muted-foreground);
  font-weight: 500;
  border-bottom: 1px solid transparent;
}
.footer__credit a:hover,
.footer__credit a:focus-visible { color: var(--accent-bright); border-bottom-color: var(--accent); }

/* Floating action bar — call/WhatsApp always reachable on mobile */
.quick-bar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 90;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--color-border);
  border-top: 1px solid var(--color-border);
  padding-bottom: env(safe-area-inset-bottom);
}
@media (min-width: 768px) { .quick-bar { display: none; } }
.quick-bar a {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 56px;
  background: rgba(14, 16, 19, 0.96);
  font-size: var(--text-sm);
  font-weight: 700;
}
.quick-bar a.is-primary { background: var(--accent); color: var(--on-accent); }
.quick-bar svg { width: 18px; height: 18px; }
@media (max-width: 767px) { body { padding-bottom: 56px; } }

/* ---------- 17. PAGE HEADER (inner pages) ---------- */
.page-head {
  position: relative;
  padding-top: calc(var(--nav-h) + var(--space-8));
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
  background:
    radial-gradient(70% 130% at 78% 0%, rgba(249, 115, 22, 0.14), transparent 60%),
    linear-gradient(180deg, var(--steel-900), var(--steel-950));
}
.page-head__canvas { position: absolute; inset: 0; z-index: 0; opacity: 0.9; }
.page-head .container { position: relative; z-index: 1; }
.page-head h1 { font-size: var(--text-5xl); }
.page-head p { margin-top: var(--space-5); font-size: var(--text-lg); color: var(--color-muted-foreground); max-width: 60ch; }

.breadcrumb {
  display: flex;
  gap: var(--space-2);
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-faint-foreground);
  margin-bottom: var(--space-5);
}
.breadcrumb a:hover { color: var(--accent-bright); }
.breadcrumb svg { width: 12px; height: 12px; }

/* ---------- 18. SERVICE CATALOGUE ---------- */
.cat-group { border-top: 1px solid var(--color-border); padding-top: var(--space-6); margin-top: var(--space-7); }
.cat-group:first-of-type { margin-top: 0; }
.cat-group__head { display: flex; flex-wrap: wrap; align-items: baseline; gap: var(--space-4); margin-bottom: var(--space-5); }
.cat-group__head h2 { font-size: var(--text-2xl); }
.cat-count { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.12em; color: var(--accent-bright); }

.svc-grid { display: grid; gap: 1px; background: var(--color-border); border: 1px solid var(--color-border); border-radius: var(--radius-lg); overflow: hidden; }
@media (min-width: 640px) { .svc-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .svc-grid { grid-template-columns: repeat(3, 1fr); } }
.svc { background: var(--color-surface); padding: var(--space-5); display: flex; flex-direction: column; gap: var(--space-2); transition: background var(--dur) var(--ease-out); }
.svc:hover { background: var(--color-surface-2); }
.svc__t { font-size: var(--text-base); font-weight: 700; letter-spacing: -0.01em; }
.svc__m { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-faint-foreground); }

/* ---------- 19. ACCORDION (FAQ) ---------- */
.faq { border-top: 1px solid var(--color-border); }
.faq details { border-bottom: 1px solid var(--color-border); }
.faq summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  min-height: 64px;
  padding-block: var(--space-4);
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.02em;
  cursor: pointer;
  list-style: none;
  transition: color var(--dur) var(--ease-out);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover { color: var(--accent-bright); }
.faq summary .plus { position: relative; width: 18px; height: 18px; flex: none; }
.faq summary .plus::before, .faq summary .plus::after {
  content: ""; position: absolute; background: var(--accent-bright);
  transition: transform var(--dur) var(--ease-out);
}
.faq summary .plus::before { inset: 8px 0 auto 0; height: 2px; }
.faq summary .plus::after { inset: 0 8px auto auto; width: 2px; height: 18px; }
.faq details[open] summary .plus::after { transform: rotate(90deg); }
.faq details > div { padding-bottom: var(--space-5); color: var(--color-muted-foreground); max-width: 72ch; }

/* ---------- 20. MISC ---------- */
.map-frame { border: 1px solid var(--color-border); border-radius: var(--radius-lg); overflow: hidden; background: var(--color-surface); aspect-ratio: 16 / 10; }
.map-frame iframe { width: 100%; height: 100%; border: 0; filter: grayscale(0.55) invert(0.92) hue-rotate(180deg) contrast(0.88); }

.contact-cards { display: grid; gap: var(--space-5); }
@media (min-width: 640px) { .contact-cards { grid-template-columns: repeat(2, 1fr); } }
.contact-card {
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
}
.contact-card:hover { border-color: var(--color-border-strong); transform: translateY(-3px); }
.contact-card__ic {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius);
  color: var(--accent-bright);
  margin-bottom: var(--space-4);
}
.contact-card__ic svg { width: 20px; height: 20px; }
.contact-card h3 { font-size: var(--text-base); font-weight: 700; }
.contact-card p { margin-top: var(--space-2); font-size: var(--text-sm); color: var(--color-muted-foreground); }
.contact-card a.big { display: inline-block; margin-top: var(--space-3); font-size: var(--text-lg); font-weight: 700; color: var(--accent-bright); }
.contact-card a.big:hover { text-decoration: underline; }

/* Two-column contact layout */
.contact-layout { display: grid; gap: var(--space-7); }
@media (min-width: 1000px) { .contact-layout { grid-template-columns: 1.1fr 1fr; gap: var(--space-8); align-items: start; } }

/* Scroll-reveal base state — JS adds .is-in. Content stays visible without JS. */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out); }
.reveal.is-in { opacity: 1; transform: none; }
.no-js .reveal, .no-motion .reveal { opacity: 1; transform: none; }

/* ---------- 21. REDUCED MOTION ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1 !important; transform: none !important; }
  .marquee__track { animation: none; transform: none; }
  .scroll-cue__track::after { animation: none; top: 0; }
  .card { transform: none !important; }
}