/* ==========================================================================
   ELEFANT MFG — Design Tokens
   ========================================================================== */

:root {
  /* Colour system */
  --bg-primary: #0B0F14;
  --bg-secondary: #151C24;
  --bg-elevated: #1A222C;
  --border-steel: #27313C;
  --border-steel-light: #333F4C;
  --accent-blue: #1677FF;
  --accent-blue-dim: #1677FF33;
  --accent-cyan: #00C8FF;
  --text-primary: #F3F7FA;
  --text-secondary: #9AA7B4;
  --text-tertiary: #6B7885;
  --signal-green: #38D996;

  --grad-accent: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));

  /* Typography */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', 'SFMono-Regular', Consolas, monospace;

  /* Spacing scale */
  --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;

  /* Layout */
  --container-max: 1360px;
  --container-pad: 20px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --header-h: 64px;

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 0.18s;
  --dur-med: 0.36s;
  --dur-slow: 0.6s;
}

@media (min-width: 768px) {
  :root { --container-pad: 40px; --header-h: 76px; }
}
@media (min-width: 1024px) {
  :root { --container-pad: 56px; }
}

/* ==========================================================================
   Reset
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
input, textarea, select { font: inherit; color: inherit; }
ul { list-style: none; }

h1, h2, h3, h4 { font-weight: 700; letter-spacing: -0.02em; line-height: 1.1; }

/* Focus visibility — never rely on colour alone */
:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ==========================================================================
   Typography scale (mobile-first, fluid)
   ========================================================================== */

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
.eyebrow::before {
  content: '';
  width: 18px;
  height: 1px;
  background: var(--accent-cyan);
  display: inline-block;
}

h1, .h1 {
  font-size: clamp(2rem, 7vw, 4rem);
}
h2, .h2 {
  font-size: clamp(1.6rem, 5.2vw, 2.75rem);
}
h3, .h3 {
  font-size: clamp(1.15rem, 3.4vw, 1.5rem);
}
.lede {
  font-size: clamp(1rem, 2.6vw, 1.2rem);
  color: var(--text-secondary);
  line-height: 1.6;
}
.section-head {
  max-width: 640px;
  margin-bottom: var(--space-7);
}
.section-head .h2 { margin-top: var(--space-3); }
.section-head p { margin-top: var(--space-4); }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

/* ==========================================================================
   Layout
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

section { position: relative; padding-block: var(--space-9); }
@media (max-width: 767px) {
  section { padding-block: var(--space-8); }
}

.section-alt { background: var(--bg-secondary); border-block: 1px solid var(--border-steel); }

/* Blueprint grid backdrop */
.grid-backdrop {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border-steel) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-steel) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.35;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 40%, transparent 100%);
  pointer-events: none;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 50px;
  padding: 0 var(--space-6);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
  transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out), border-color var(--dur-fast), background var(--dur-fast);
}
.btn-primary {
  background: var(--grad-accent);
  color: #051019;
  box-shadow: 0 8px 24px -8px var(--accent-blue-dim);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 12px 32px -8px rgba(22,119,255,0.45); }
.btn-primary:active { transform: translateY(0); }
.btn-secondary {
  background: transparent;
  border: 1px solid var(--border-steel-light);
  color: var(--text-primary);
}
.btn-secondary:hover { border-color: var(--accent-cyan); color: var(--accent-cyan); }
.btn-text {
  color: var(--accent-cyan);
  font-weight: 600;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
.btn-text .arrow { transition: transform var(--dur-fast) var(--ease-out); }
.btn-text:hover .arrow { transform: translateX(3px); }
.btn-block { width: 100%; }

/* ==========================================================================
   Header / Navigation
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(11,15,20,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-steel);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); }

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  color: var(--text-primary);
}
.logo .mark {
  height: 40px; width: 40px;
  flex-shrink: 0;
  box-sizing: border-box;
  display: flex; align-items: center; justify-content: center;
  padding: 4px;
  background: var(--text-primary);
  border-radius: var(--radius-sm);
}
.logo .mark svg { width: 100%; height: 100%; }
.logo .mark img { height: 100%; width: 100%; object-fit: contain; display: block; }
.logo small { color: var(--text-tertiary); font-weight: 500; font-size: 0.65em; display: block; }

.nav-desktop { display: none; }
.nav-desktop ul { display: flex; align-items: center; gap: var(--space-6); }
.nav-desktop a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding-block: 4px;
  transition: color var(--dur-fast);
}
.nav-desktop a:hover, .nav-desktop a.active { color: var(--text-primary); }
.nav-desktop a.active::after {
  content: '';
  position: absolute; left: 0; right: 0; bottom: -6px;
  height: 2px; background: var(--grad-accent); border-radius: 2px;
}
.header-actions { display: flex; align-items: center; gap: var(--space-4); }
.header-cta { display: none; }

.lang-toggle {
  display: flex;
  border: 1px solid var(--border-steel-light);
  border-radius: 999px;
  overflow: hidden;
  flex-shrink: 0;
}
.lang-toggle button {
  min-height: 36px;
  padding: 0 12px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-secondary);
  transition: background var(--dur-fast), color var(--dur-fast);
}
.lang-toggle button.active { background: var(--grad-accent); color: #051019; }

.menu-toggle {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-steel);
  flex-shrink: 0;
}
.menu-toggle svg { width: 20px; height: 20px; }
.menu-toggle .icon-close { display: none; }
.menu-toggle[aria-expanded="true"] .icon-open { display: none; }
.menu-toggle[aria-expanded="true"] .icon-close { display: block; }

/* Mobile full-screen nav panel */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--bg-primary);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--dur-med) var(--ease-out);
  visibility: hidden;
}
.mobile-nav.open { transform: translateX(0); visibility: visible; }
.mobile-nav-head {
  height: var(--header-h);
  display: flex; align-items: center; justify-content: space-between;
  padding-inline: var(--container-pad);
  border-bottom: 1px solid var(--border-steel);
  flex-shrink: 0;
}
.mobile-nav-body { flex: 1; overflow-y: auto; padding: var(--space-7) var(--container-pad); }
.mobile-nav-list { display: flex; flex-direction: column; }
.mobile-nav-list li { border-bottom: 1px solid var(--border-steel); }
.mobile-nav-list a {
  display: flex; align-items: center; justify-content: space-between;
  padding-block: var(--space-5);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.mobile-nav-list a span.num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-cyan);
}
.mobile-nav-foot { padding: var(--space-6) var(--container-pad); border-top: 1px solid var(--border-steel); flex-shrink: 0; }
.mobile-nav-foot .btn { margin-bottom: var(--space-5); }
.mobile-contact-row { display: flex; gap: var(--space-3); }
.icon-btn {
  flex: 1;
  display: flex; flex-direction: column; align-items: center; gap: var(--space-2);
  padding: var(--space-4) var(--space-2);
  border: 1px solid var(--border-steel);
  border-radius: var(--radius-md);
  font-size: 0.72rem;
  color: var(--text-secondary);
  min-height: 64px;
  justify-content: center;
}
.icon-btn svg { width: 18px; height: 18px; color: var(--accent-cyan); }

body.nav-locked { overflow: hidden; }

/* Sticky bottom CTA (mobile) */
.sticky-cta {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 90;
  padding: 10px var(--container-pad) calc(10px + env(safe-area-inset-bottom));
  background: rgba(11,15,20,0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid var(--border-steel);
  transform: translateY(0);
  transition: transform var(--dur-med) var(--ease-out);
}
.sticky-cta.hide { transform: translateY(100%); }

.sticky-cta-row { display: flex; gap: var(--space-2); }
.sticky-cta-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  min-height: 56px;
  padding: 6px 2px;
  border: 1px solid var(--border-steel-light);
  border-radius: var(--radius-md);
  font-size: 0.6rem;
  font-weight: 600;
  color: var(--text-primary);
  background: var(--bg-elevated);
  line-height: 1.15;
  text-align: center;
  transition: border-color var(--dur-fast), background var(--dur-fast);
}
.sticky-cta-btn svg { width: 18px; height: 18px; color: var(--accent-cyan); flex-shrink: 0; }
.sticky-cta-btn:hover { border-color: var(--accent-cyan); }
.sticky-cta-btn[aria-disabled="true"] {
  opacity: 0.5;
  pointer-events: none;
}

@media (min-width: 1024px) {
  .nav-desktop { display: block; }
  .header-cta { display: inline-flex; }
  .menu-toggle { display: none; }
  .sticky-cta { display: none; }
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero-video-bg {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  min-height: calc(100svh - var(--header-h));
  padding-block: var(--space-8);
}
.hero-media { position: absolute; inset: 0; z-index: 0; }
.hero-bg-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 35%; }
.hero-scrim {
  position: absolute; inset: 0;
  background: linear-gradient(180deg,
    rgba(11,15,20,0.82) 0%,
    rgba(11,15,20,0.66) 38%,
    rgba(11,15,20,0.7) 62%,
    rgba(11,15,20,0.92) 100%);
}

.hero-video-bg .container { position: relative; z-index: 1; }
.hero-content {
  max-width: 720px;
  margin-inline: auto;
  text-align: center;
}
.hero-content h1 { margin-top: var(--space-4); text-shadow: 0 4px 28px rgba(0,0,0,0.55); }
.hero-content .lede { margin-top: var(--space-5); text-shadow: 0 2px 16px rgba(0,0,0,0.5); }
.hero-content .eyebrow { justify-content: center; }
.hero-actions { display: flex; flex-direction: column; align-items: center; gap: var(--space-4); margin-top: var(--space-7); }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  max-width: 480px;
  margin-inline: auto;
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border-steel);
}
.hero-stats .stat-num { font-family: var(--font-mono); font-size: clamp(1.3rem, 4vw, 1.8rem); font-weight: 700; color: var(--text-primary); }
.hero-stats .stat-num span { color: var(--accent-cyan); }
.hero-stats .stat-label { font-size: 0.75rem; color: var(--text-secondary); margin-top: 4px; }

@media (min-width: 1024px) {
  .hero-actions { flex-direction: row; justify-content: center; }
}

/* Reusable section background video, two variants:
   .is-glow  — dark-background/glow footage, blended so black disappears
               into the section background and only the bright content
               reads as a floating, transparent overlay.
   .is-photo — bright photographic footage, scrimmed with a dark gradient
               so the text stays legible; blend modes wash bright footage
               out instead of making it look transparent. */
.section-video-bg { overflow: hidden; }
.section-media { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.section-bg-video {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover; object-position: center;
}
.section-video-bg.is-glow .section-bg-video { mix-blend-mode: screen; opacity: 0.9; }
.section-scrim {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(11,15,20,0.8) 0%, rgba(11,15,20,0.58) 45%, rgba(11,15,20,0.92) 100%);
}
.section-video-bg > .container { position: relative; z-index: 1; }
.section-video-bg .section-head h2,
.section-video-bg .section-head p { text-shadow: 0 2px 18px rgba(11,15,20,0.7); }

/* ==========================================================================
   Cards — generic
   ========================================================================== */

.card {
  --tilt-x: 0deg;
  --tilt-y: 0deg;
  --glow-x: 50%;
  --glow-y: 50%;
  position: relative;
  overflow: hidden;
  background: var(--bg-secondary);
  border: 1px solid var(--border-steel);
  border-radius: var(--radius-lg);
  transform: perspective(900px) rotateX(var(--tilt-x)) rotateY(var(--tilt-y));
  transition: border-color var(--dur-fast), transform 0.15s ease-out;
}
.card:hover { border-color: var(--accent-cyan); }
.card::after {
  content: '';
  position: absolute; inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at var(--glow-x) var(--glow-y), rgba(0,200,255,0.28), transparent 55%);
  opacity: 0;
  transition: opacity 0.2s ease;
  pointer-events: none;
}
@media (hover: hover) and (pointer: fine) {
  .card:hover::after { opacity: 1; }
}
.card.no-tilt { transform: none; }
.card.no-tilt::after { content: none; }

/* ==========================================================================
   Icon system — shared technical accents
   A recurring "CAD viewport" corner-bracket motif ties every icon container
   and illustration panel into one consistent language. Small boxes (icon
   chips ~40-52px) get a single corner tick in the icon's own colour; larger
   blueprint-style panels get two opposing registration-mark corners.
   ========================================================================== */

.cap-icon, .node-icon, .value-icon {
  position: relative;
}
.cap-icon::after, .node-icon::after, .value-icon::after {
  content: '';
  position: absolute;
  top: 4px; right: 4px;
  width: 6px; height: 6px;
  border-top: 1.5px solid currentColor;
  border-right: 1.5px solid currentColor;
  opacity: 0.45;
  pointer-events: none;
}

.industry-visual::before, .industry-visual::after,
.network-wrap::before, .network-wrap::after,
.flow-diagram::before, .flow-diagram::after {
  content: '';
  position: absolute;
  width: 14px; height: 14px;
  border: 1.5px solid var(--accent-cyan);
  opacity: 0.3;
  pointer-events: none;
}
.industry-visual::before, .network-wrap::before, .flow-diagram::before {
  top: 10px; left: 10px; border-right: none; border-bottom: none;
}
.industry-visual::after, .network-wrap::after, .flow-diagram::after {
  bottom: 10px; right: 10px; border-left: none; border-top: none;
}

/* ==========================================================================
   Capabilities (4 cards)
   ========================================================================== */

.cap-scroller {
  display: flex;
  gap: var(--space-4);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: var(--space-3);
  margin: 0 calc(var(--container-pad) * -1);
  padding-inline: var(--container-pad);
  scrollbar-width: none;
}
.cap-scroller::-webkit-scrollbar { display: none; }
.cap-card {
  scroll-snap-align: start;
  flex: 0 0 82%;
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  background: rgba(21, 28, 36, 0.25);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.cap-card .cap-num { font-family: var(--font-mono); color: var(--accent-cyan); font-size: 0.85rem; }
.cap-card .cap-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  border: 1px solid var(--border-steel);
  display: flex; align-items: center; justify-content: center;
  margin-top: var(--space-4);
  color: var(--accent-blue);
}
.cap-card .cap-icon svg { width: 26px; height: 26px; }
.cap-card h3 { margin-top: var(--space-5); }
.cap-card p { color: var(--text-secondary); margin-top: var(--space-3); flex: 1; font-size: 0.92rem; }
.cap-card .btn-text { margin-top: var(--space-5); font-size: 0.88rem; }

.scroller-dots { display: flex; gap: 6px; justify-content: center; margin-top: var(--space-5); }
.scroller-dots span { width: 6px; height: 6px; border-radius: 50%; background: var(--border-steel-light); transition: background var(--dur-fast), width var(--dur-fast); }
.scroller-dots span.active { background: var(--accent-cyan); width: 18px; border-radius: 3px; }

@media (min-width: 768px) {
  .cap-scroller { display: grid; grid-template-columns: repeat(2, 1fr); overflow: visible; margin: 0; padding: 0; }
  .scroller-dots { display: none; }
}
@media (min-width: 1024px) {
  .cap-scroller { grid-template-columns: repeat(4, 1fr); }
}

/* ==========================================================================
   Signature process (vertical -> horizontal)
   ========================================================================== */

.process-rail {
  position: relative;
  display: flex;
  flex-direction: column;
}
.process-step {
  display: flex;
  gap: var(--space-5);
  position: relative;
  padding-bottom: var(--space-7);
}
.process-step:last-child { padding-bottom: 0; }
.process-step .step-line {
  position: absolute;
  left: 27px; top: 56px; bottom: 0;
  width: 1px;
  background: var(--border-steel);
}
.process-step:last-child .step-line { display: none; }
.process-step .step-marker {
  width: 56px; height: 56px;
  border-radius: 50%;
  border: 1px solid var(--border-steel-light);
  background: var(--bg-secondary);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--accent-cyan);
  position: relative;
  z-index: 1;
}
.process-step.is-result .step-marker { border-color: var(--signal-green); color: var(--signal-green); background: rgba(56,217,150,0.08); }
.process-step .step-body { padding-top: var(--space-2); }
.process-step .step-eyebrow { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-tertiary); }
.process-step h3 { margin-top: 4px; }
.process-step p { color: var(--text-secondary); margin-top: var(--space-2); font-size: 0.92rem; max-width: 460px; }
.result-pills { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-3); }
.result-pill {
  font-size: 0.78rem;
  padding: 6px 12px;
  border: 1px solid var(--signal-green);
  color: var(--signal-green);
  border-radius: 999px;
  font-weight: 600;
}

@media (min-width: 1024px) {
  .process-rail { flex-direction: row; align-items: flex-start; justify-content: space-between; gap: 0; }
  .process-step { flex-direction: column; align-items: center; text-align: center; padding-bottom: 0; flex: 1; }
  .process-step .step-line { left: 56px; right: calc(-100% + 56px); top: 27px; bottom: auto; width: auto; height: 1px; background: repeating-linear-gradient(to right, var(--border-steel-light) 0 6px, transparent 6px 12px); }
  .process-step .step-body { padding-top: var(--space-4); }
  .process-step p { max-width: 220px; }
  .result-pills { justify-content: center; }
}

/* ==========================================================================
   Technologies accordion
   ========================================================================== */

.tech-list {
  display: grid;
  grid-template-columns: 1fr;
  align-items: start;
  gap: var(--space-3);
}
.tech-item {
  border: 1px solid var(--border-steel);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  overflow: hidden;
}
.tech-item[open] { border-color: var(--accent-blue); }
.tech-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  cursor: pointer;
  min-height: 44px;
}
.tech-item summary::-webkit-details-marker { display: none; }
.tech-item summary .tech-name {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 600;
  font-size: 0.92rem;
  line-height: 1.3;
}
.tech-item summary .tech-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-tertiary);
  border: 1px solid var(--border-steel-light);
  border-radius: 4px;
  padding: 2px 6px;
  flex-shrink: 0;
  white-space: nowrap;
  display: none;
}
.tech-item summary .toggle-icon {
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 1px solid var(--border-steel-light);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  position: relative;
}
.tech-item summary .toggle-icon::before, .tech-item summary .toggle-icon::after {
  content: '';
  position: absolute;
  background: var(--text-secondary);
  transition: transform var(--dur-fast);
}
.tech-item summary .toggle-icon::before { width: 9px; height: 1px; }
.tech-item summary .toggle-icon::after { width: 1px; height: 9px; }
.tech-item[open] summary .toggle-icon::after { transform: rotate(90deg); opacity: 0; }
.tech-item[open] summary .toggle-icon { border-color: var(--accent-cyan); }
.tech-body { padding: 0 var(--space-5) var(--space-5); display: grid; gap: var(--space-4); }
.tech-body .tech-col .label { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent-cyan); }
.tech-body .tech-col p { margin-top: 6px; color: var(--text-secondary); font-size: 0.88rem; }

@media (min-width: 640px) {
  .tech-item summary .tech-tag { display: inline-block; }
  .tech-list { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .tech-list { grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
  .tech-item summary { padding: var(--space-4); }
}

/* ==========================================================================
   Industries
   ========================================================================== */

.industry-list { display: flex; flex-direction: column; gap: var(--space-5); }
.industry-card { padding: var(--space-6); }
.industry-visual {
  aspect-ratio: 16/9;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-steel);
  background: var(--bg-primary);
  overflow: hidden;
  position: relative;
}
.industry-visual svg { width: 100%; height: 100%; }
.industry-card h3 { margin-top: var(--space-5); }
.industry-card .eyebrow { margin-bottom: var(--space-2); }
.industry-tags { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-4); }
.industry-tags span {
  font-size: 0.8rem;
  color: var(--text-secondary);
  border: 1px solid var(--border-steel);
  border-radius: 999px;
  padding: 5px 12px;
}

@media (min-width: 1024px) {
  .industry-list { flex-direction: row; align-items: stretch; }
  .industry-card { flex: 1; display: flex; flex-direction: column; }
}

/* ==========================================================================
   Value stats
   ========================================================================== */

.value-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}
.value-card {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.value-card .value-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  border: 1px solid var(--border-steel);
  display: flex; align-items: center; justify-content: center;
  color: var(--signal-green);
}
.value-card .value-icon svg { width: 22px; height: 22px; }
.value-card h3 { font-size: 1.05rem; }
.value-card p { color: var(--text-secondary); font-size: 0.9rem; }
.value-card .value-indicator { height: 3px; border-radius: 2px; background: var(--border-steel); overflow: hidden; margin-top: auto; }
.value-card .value-indicator i { display: block; height: 100%; width: 0%; background: var(--grad-accent); transition: width 1.2s var(--ease-out); }
.value-card.in-view .value-indicator i { width: var(--fill, 80%); }

@media (min-width: 640px) { .value-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .value-grid { grid-template-columns: repeat(4, 1fr); } }

/* ==========================================================================
   Global network map
   ========================================================================== */

.network-wrap {
  border: 1px solid var(--border-steel);
  border-radius: var(--radius-lg);
  background: var(--bg-secondary);
  padding: var(--space-5);
  position: relative;
  overflow: hidden;
}
.network-map { width: 100%; height: auto; }
.network-legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-5);
  padding-top: var(--space-5);
  border-top: 1px solid var(--border-steel);
}
.network-legend .leg-item { display: flex; align-items: center; gap: var(--space-2); font-size: 0.85rem; color: var(--text-secondary); }
.network-legend .dot { width: 9px; height: 9px; border-radius: 50%; flex-shrink: 0; }
.dot-hq { background: var(--accent-cyan); box-shadow: 0 0 0 4px rgba(0,200,255,0.15); }
.dot-node { background: var(--accent-blue); }

.node-point { cursor: default; }
.node-point circle.pulse { animation: pulse-ring 2.4s ease-out infinite; transform-origin: center; }
@keyframes pulse-ring {
  0% { r: 4; opacity: 0.6; }
  100% { r: 16; opacity: 0; }
}
.route-line { stroke-dasharray: 4 4; animation: dash-move 20s linear infinite; }
@keyframes dash-move { to { stroke-dashoffset: -200; } }

/* ==========================================================================
   Program model
   ========================================================================== */

.program-strip {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.program-stage {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  border: 1px solid var(--border-steel);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
}
.program-stage .p-num { font-family: var(--font-mono); color: var(--accent-cyan); font-weight: 700; font-size: 0.9rem; width: 24px; flex-shrink: 0; }
.program-stage .p-title { font-weight: 600; font-size: 0.95rem; }
.program-arrow { display: flex; justify-content: center; color: var(--text-tertiary); }
.program-arrow svg { width: 16px; height: 16px; transform: rotate(90deg); }
.program-note {
  margin-top: var(--space-6);
  padding: var(--space-5);
  border-left: 2px solid var(--accent-blue);
  background: var(--bg-secondary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--text-secondary);
  font-size: 0.92rem;
}

@media (min-width: 1024px) {
  .program-strip { flex-direction: row; align-items: center; }
  .program-stage { flex-direction: column; text-align: center; flex: 1; }
  .program-arrow svg { transform: rotate(0deg); }
}

/* ==========================================================================
   Partners
   ========================================================================== */

.partners-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}
.partner-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5);
  border: 1px solid var(--border-steel);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
}
.partner-row .p-name { font-weight: 600; }
.partner-row .p-loc { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-tertiary); margin-top: 2px; }
.partner-row .p-mark { width: 34px; height: 34px; border-radius: var(--radius-sm); border: 1px solid var(--border-steel-light); display: flex; align-items: center; justify-content: center; color: var(--accent-cyan); flex-shrink: 0; }
.partner-row .p-mark svg { width: 16px; height: 16px; }

@media (min-width: 768px) { .partners-grid { grid-template-columns: repeat(3, 1fr); } }

/* ==========================================================================
   Case studies
   ========================================================================== */

.case-card { padding: var(--space-6); }
.case-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  border: 1px dashed var(--border-steel-light);
  border-radius: 4px;
  padding: 4px 10px;
  display: inline-block;
}
.case-flow { display: flex; flex-direction: column; gap: var(--space-3); margin-top: var(--space-5); }
.case-flow-step { display: flex; gap: var(--space-3); align-items: baseline; }
.case-flow-step .cf-label { font-family: var(--font-mono); font-size: 0.7rem; color: var(--accent-cyan); width: 92px; flex-shrink: 0; text-transform: uppercase; letter-spacing: 0.06em; }
.case-flow-step .cf-value { color: var(--text-secondary); font-size: 0.9rem; }
.case-cta { margin-top: var(--space-6); }

/* ==========================================================================
   Contact
   ========================================================================== */

.contact-grid { display: grid; gap: var(--space-7); }
.contact-actions { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-3); }
@media (min-width: 640px) { .contact-actions { grid-template-columns: repeat(4, 1fr); } }

.form-field { margin-bottom: var(--space-5); }
.form-field label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: var(--space-2); }
.form-field .req { color: var(--accent-cyan); }
.form-field input, .form-field select, .form-field textarea {
  width: 100%;
  min-height: 50px;
  padding: 0 var(--space-4);
  background: var(--bg-elevated);
  border: 1px solid var(--border-steel);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  transition: border-color var(--dur-fast);
}
.form-field textarea { min-height: 120px; padding-block: var(--space-3); resize: vertical; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { border-color: var(--accent-blue); }
.form-field input::placeholder, .form-field textarea::placeholder { color: var(--text-tertiary); }
.form-row { display: grid; gap: 0; grid-template-columns: 1fr; }
.file-drop {
  border: 1px dashed var(--border-steel-light);
  border-radius: var(--radius-sm);
  padding: var(--space-5);
  text-align: center;
  color: var(--text-tertiary);
  font-size: 0.85rem;
  cursor: pointer;
}
.file-drop:hover { border-color: var(--accent-cyan); color: var(--accent-cyan); }

.form-consent .consent-label {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  min-height: 44px;
  margin-bottom: 0;
  cursor: pointer;
}
.consent-label input[type="checkbox"] {
  width: 18px; height: 18px;
  margin-top: 3px;
  flex-shrink: 0;
  accent-color: var(--accent-blue);
}
.consent-label span {
  font-size: 0.82rem;
  font-weight: 400;
  line-height: 1.5;
  color: var(--text-secondary);
}
.consent-label a { color: var(--accent-cyan); text-decoration: underline; text-underline-offset: 2px; }
.form-success {
  display: none;
  text-align: center;
  padding: var(--space-8) var(--space-5);
}
.form-success .icon { width: 56px; height: 56px; margin-inline: auto; color: var(--signal-green); }
.form-success h3 { margin-top: var(--space-4); }
.form-success p { color: var(--text-secondary); margin-top: var(--space-2); }
form.submitted .form-fields { display: none; }
form.submitted .form-success { display: block; }

.form-error {
  padding: var(--space-4) var(--space-5);
  margin-bottom: var(--space-5);
  border-left: 2px solid #E5484D;
  background: rgba(229,72,77,0.08);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--text-primary);
  font-size: 0.88rem;
}
.form-error a { color: var(--accent-cyan); text-decoration: underline; }
.btn[disabled] { opacity: 0.6; cursor: not-allowed; }

/* Booking calendar + time slots */
.booking-calendar {
  border: 1px solid var(--border-steel);
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  padding: var(--space-4);
  margin-top: var(--space-2);
}
.calendar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-3);
}
.calendar-label {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}
.calendar-nav {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border-steel-light);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 1.1rem;
  line-height: 1;
}
.calendar-nav:hover:not(:disabled) { border-color: var(--accent-cyan); color: var(--accent-cyan); }
.calendar-nav:disabled { opacity: 0.35; cursor: not-allowed; }
.calendar-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
  margin-bottom: 4px;
}
.calendar-weekdays span {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.04em;
  color: var(--text-tertiary);
  text-transform: uppercase;
}
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}
.cal-day {
  aspect-ratio: 1;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  color: var(--text-primary);
  min-height: 34px;
}
.cal-day.empty { visibility: hidden; }
.cal-day:not(:disabled):hover { border-color: var(--accent-cyan); }
.cal-day:disabled { color: var(--text-tertiary); opacity: 0.4; cursor: not-allowed; }
.cal-day.today { border-color: var(--border-steel-light); font-weight: 700; }
.cal-day.selected { background: var(--grad-accent); color: #051019; font-weight: 700; border-color: transparent; }

.booking-timeslots { margin-top: var(--space-4); }
.timeslots-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  display: block;
  margin-bottom: var(--space-3);
}
.timeslots-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.timeslots-placeholder { color: var(--text-tertiary); font-size: 0.85rem; }
.time-slot {
  min-width: 72px;
  min-height: 38px;
  padding: 0 var(--space-3);
  border: 1px solid var(--border-steel-light);
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 0.8rem;
}
.time-slot:not(:disabled):hover { border-color: var(--accent-cyan); }
.time-slot:disabled { color: var(--text-tertiary); opacity: 0.35; cursor: not-allowed; text-decoration: line-through; }
.time-slot.selected { background: var(--grad-accent); color: #051019; font-weight: 700; border-color: transparent; }

@media (min-width: 640px) {
  .form-row-2 { grid-template-columns: 1fr 1fr; gap: 0 var(--space-4); }
}
@media (min-width: 1024px) {
  .contact-grid { grid-template-columns: 0.85fr 1.15fr; align-items: start; }
}

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

.site-footer { border-top: 1px solid var(--border-steel); padding-block: var(--space-8); background: var(--bg-secondary); }
.footer-top { display: flex; flex-direction: column; gap: var(--space-7); }
.footer-brand .logo { margin-bottom: var(--space-4); }
.footer-brand p { color: var(--text-secondary); font-size: 0.9rem; max-width: 320px; }
.footer-cols { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }
.footer-col .f-title { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-tertiary); margin-bottom: var(--space-4); }
.footer-col ul { display: flex; flex-direction: column; gap: var(--space-3); }
.footer-col a { color: var(--text-secondary); font-size: 0.9rem; transition: color var(--dur-fast); }
.footer-col a:hover { color: var(--accent-cyan); }
.footer-bottom {
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border-steel);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  font-size: 0.8rem;
  color: var(--text-tertiary);
}
.footer-bottom .legal-links { display: flex; gap: var(--space-5); }

@media (min-width: 768px) {
  .footer-top { flex-direction: row; justify-content: space-between; }
  .footer-cols { grid-template-columns: repeat(3, 1fr); gap: var(--space-8); }
  .footer-bottom { flex-direction: row; justify-content: space-between; align-items: center; }
}

/* ==========================================================================
   Reveal-on-scroll
   ========================================================================== */

.reveal { opacity: 0; translate: 0 16px; transition: opacity var(--dur-slow) var(--ease-out), translate var(--dur-slow) var(--ease-out); }
.reveal.in-view { opacity: 1; translate: 0 0; }

/* Stagger children */
.stagger > * { transition-delay: calc(var(--i, 0) * 70ms); }

/* ==========================================================================
   Misc utilities
   ========================================================================== */

.mt-1 { margin-top: var(--space-7) !important; }
.text-center { text-align: center; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 1000;
  background: var(--accent-blue); color: #fff; padding: 12px 20px; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

@media (min-width: 1440px) {
  :root { --container-max: 1400px; }
}

/* ==========================================================================
   Materials Library page
   ========================================================================== */

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-tertiary);
  padding-block: var(--space-5);
}
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--accent-cyan); }
.breadcrumb .sep { color: var(--border-steel-light); }
.breadcrumb .current { color: var(--accent-cyan); }

.materials-intro-grid {
  display: grid;
  gap: var(--space-6);
}
.materials-intro-grid .lede { margin-top: var(--space-4); }
.materials-intro-note {
  padding: var(--space-5);
  border-left: 2px solid var(--accent-blue);
  background: var(--bg-secondary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Quick jump strip */
.element-nav {
  display: flex;
  gap: var(--space-2);
  overflow-x: auto;
  padding-block: var(--space-2) var(--space-3);
  margin: 0 calc(var(--container-pad) * -1);
  padding-inline: var(--container-pad);
  scrollbar-width: none;
}
.element-nav::-webkit-scrollbar { display: none; }
.element-nav a {
  flex-shrink: 0;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-inline: var(--space-3);
  border: 1px solid var(--border-steel);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-secondary);
  transition: border-color var(--dur-fast), color var(--dur-fast);
}
.element-nav a:hover { border-color: var(--accent-cyan); color: var(--accent-cyan); }

/* Material category tabs — shared across all three materials pages */
.material-category-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  padding-bottom: var(--space-6);
}
.material-category-nav a {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 44px;
  padding: 0 var(--space-5);
  border: 1px solid var(--border-steel);
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: border-color var(--dur-fast), color var(--dur-fast), background var(--dur-fast);
}
.material-category-nav a .count {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-cyan);
}
.material-category-nav a:hover { border-color: var(--accent-cyan); color: var(--text-primary); }
.material-category-nav a.active {
  border-color: var(--accent-blue);
  color: var(--text-primary);
  background: rgba(22,119,255,0.1);
}
.material-category-nav a.active .count { color: var(--text-primary); }

/* Resin cards — icon header instead of photography (no resin photography exists) */
.resin-card-head {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-6) var(--space-6) 0;
}
.resin-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  border: 1px solid var(--border-steel);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  position: relative;
}
.resin-icon svg { width: 26px; height: 26px; }
.resin-icon.cat-commodity { color: var(--accent-blue); }
.resin-icon.cat-engineering { color: var(--accent-cyan); }
.resin-icon.cat-highperf { color: var(--signal-green); border-color: var(--signal-green); }
.resin-title h2 { font-size: clamp(1.1rem, 2.6vw, 1.35rem); margin-top: 4px; }
.resin-card-body { padding: var(--space-5) var(--space-6) var(--space-6); }

.material-group-head {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-top: var(--space-6);
}
.material-group-head:first-child { margin-top: 0; }
.material-group-head .line { flex: 1; height: 1px; background: var(--border-steel); }

/* Gas spec grid */
.gas-spec-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4) var(--space-5);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--border-steel);
}
.gas-spec .label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  display: block;
  margin-bottom: 4px;
}
.gas-spec p { font-weight: 600; font-size: 0.92rem; }
@media (min-width: 640px) {
  .gas-spec-grid { grid-template-columns: repeat(3, 1fr); }
}

/* Material cards */
.materials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
.material-card { overflow: hidden; scroll-margin-top: calc(var(--header-h) + 16px); }
.material-image-wrap {
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-steel);
}
.material-image-wrap img { width: 100%; height: auto; }
.material-card-body { padding: var(--space-6); }
.material-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}
.material-head h2 { font-size: clamp(1.3rem, 3vw, 1.7rem); }
.material-head .symbol-name { display: flex; align-items: baseline; gap: var(--space-3); }
.material-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-cyan);
  border: 1px solid var(--border-steel-light);
  border-radius: 999px;
  padding: 6px 12px;
  white-space: nowrap;
  flex-shrink: 0;
}
.material-sections { display: grid; gap: var(--space-5); }
.material-section .label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  display: block;
  margin-bottom: 6px;
}
.material-section p { color: var(--text-secondary); font-size: 0.92rem; }
.material-relevance {
  padding: var(--space-4) var(--space-5);
  border-left: 2px solid var(--signal-green);
  background: rgba(56,217,150,0.06);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.material-relevance .label { color: var(--signal-green); }
.material-relevance p { color: var(--text-primary); font-size: 0.9rem; }
.material-relevance.is-limited { border-left-color: var(--border-steel-light); background: var(--bg-elevated); }
.material-relevance.is-limited .label { color: var(--text-tertiary); }
.material-relevance.is-limited p { color: var(--text-secondary); }

@media (min-width: 640px) {
  .material-sections { grid-template-columns: 1fr 1fr; }
  .material-relevance { grid-column: 1 / -1; }
}
@media (min-width: 1024px) {
  .materials-intro-grid { grid-template-columns: 1.1fr 0.9fr; align-items: center; }
  .materials-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ==========================================================================
   Additional polymer materials — simple name list (no per-photo material
   mapping) + a general photo gallery, deliberately lighter-weight than the
   full resin-card treatment above.
   ========================================================================== */

.poly-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-6);
}
.poly-item {
  padding: var(--space-4) var(--space-5);
  border: 1px solid var(--border-steel);
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
}
.poly-item-num { font-family: var(--font-mono); font-size: 0.75rem; color: var(--accent-cyan); flex-shrink: 0; }
.poly-item-body { display: flex; flex-direction: column; gap: 2px; }
.poly-item-name { font-weight: 700; font-size: 0.98rem; color: var(--text-primary); }
.poly-item-sub { font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-secondary); }

.poly-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-7);
}
.poly-gallery img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-steel);
  background: var(--bg-elevated);
}
@media (min-width: 640px) {
  .poly-gallery { grid-template-columns: repeat(4, 1fr); }
}
@media (min-width: 1024px) {
  .poly-gallery { grid-template-columns: repeat(5, 1fr); }
}

/* ==========================================================================
   Supply Chain page — facility stat row
   ========================================================================== */

.facility-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  padding: var(--space-6);
  border: 1px solid var(--border-steel);
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  margin-top: var(--space-6);
  text-align: center;
}
.facility-stats .stat-num { font-family: var(--font-mono); font-size: clamp(1.3rem, 4vw, 1.8rem); font-weight: 700; color: var(--text-primary); }
.facility-stats .stat-label { font-size: 0.75rem; color: var(--text-secondary); margin-top: 4px; }

/* ==========================================================================
   Technical & Engineering page
   ========================================================================== */

.banner-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-steel);
  background: var(--bg-secondary);
}
.banner-media img, .banner-media video { width: 100%; height: auto; display: block; }

/* Click-to-play video with sound (browsers block autoplay-with-sound, so
   playback only starts on a real click, which is allowed to include audio) */
.video-playable { position: relative; cursor: pointer; }
.video-play-btn {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(11, 15, 20, 0.75);
  border: 1px solid var(--border-steel-light);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--dur-fast), transform var(--dur-fast);
}
.video-play-btn svg { width: 30px; height: 30px; }
.video-play-btn:hover { background: rgba(11, 15, 20, 0.92); transform: scale(1.06); }
.video-playable.is-playing .video-play-btn { opacity: 0; pointer-events: none; }

.banner-caption {
  margin-top: var(--space-4);
  color: var(--text-tertiary);
  font-size: 0.85rem;
  text-align: center;
}

.feature-block {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}
.feature-block + .feature-block { margin-top: var(--space-9); }
.feature-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-steel);
  background: var(--bg-secondary);
  flex-shrink: 0;
}
.feature-media img, .feature-media video { width: 100%; height: auto; display: block; }
.feature-content .stage-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  border: 1px solid var(--border-steel-light);
  border-radius: 999px;
  padding: 4px 12px;
  display: inline-block;
  margin-bottom: var(--space-3);
}
.feature-content h2 { margin-top: 4px; }
.feature-content .lede { margin-top: var(--space-3); font-size: 1rem; }
.feature-content p + p { margin-top: var(--space-3); }

.involvement-note {
  margin-top: var(--space-5);
  padding: var(--space-5);
  border-left: 2px solid var(--signal-green);
  background: rgba(56,217,150,0.06);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.involvement-note .label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--signal-green);
  display: block;
  margin-bottom: 6px;
}
.involvement-note p { color: var(--text-primary); font-size: 0.9rem; }

@media (min-width: 1024px) {
  .feature-block { flex-direction: row; align-items: center; gap: var(--space-8); }
  .feature-block .feature-media, .feature-block .feature-content { flex: 1 1 50%; min-width: 0; }
  .feature-block.reverse { flex-direction: row-reverse; }
}