/* ============================================================
   Ambershell — Safety by Design
   Three moods: light / dark / editorial, all sharing brand DNA.
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss01", "ss02";
  letter-spacing: -0.01em;
  overflow-x: hidden;
  transition: background-color 600ms ease, color 600ms ease;
}

/* ---- Default tokens (light mood) ---- */
:root {
  --amber: oklch(72% 0.18 50);
  --amber-strong: oklch(64% 0.22 46);
  --amber-soft: oklch(85% 0.10 58);
  --shell: #1a0e05;
  --shell-2: #2a1810;
  --cream: #faf7f2;
  --paper: #ffffff;
  --ink: #0c0908;
  --ink-soft: #5a544f;
  --line: rgba(12,9,8,0.10);
  --bg: var(--cream);
  --surface: var(--paper);
  --grid-line: rgba(12,9,8,0.05);

  --font-sans: "Pretendard Variable", Pretendard, "Manrope", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-display: "Manrope", "Pretendard Variable", system-ui, sans-serif;
  --font-serif: "Fraunces", "Noto Serif KR", "Times New Roman", serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;

  --max-w: 1320px;
  --gutter: clamp(20px, 4vw, 64px);

  --t-fast: 240ms;
  --t-base: 480ms;
  --t-slow: 900ms;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* =========================================================
   MOOD: LIGHT (Apple white) — default
   ========================================================= */
body[data-mood="light"] {
  --bg: #ffffff;
  --surface: #f5f5f7;
  --ink: #1d1d1f;
  --ink-soft: #6e6e73;
  --line: rgba(0,0,0,0.08);
  --grid-line: rgba(0,0,0,0.05);
  --shell: #1d1d1f;
}

/* =========================================================
   MOOD: DARK (Cinematic black, AirPods-style)
   ========================================================= */
body[data-mood="dark"] {
  --bg: #000000;
  --surface: #0c0a09;
  --ink: #f5f5f7;
  --ink-soft: #a1a1a6;
  --line: rgba(255,255,255,0.12);
  --grid-line: rgba(255,255,255,0.06);
  --shell: #f5f5f7;
}

/* =========================================================
   MOOD: EDITORIAL (Warm cream + amber, magazine-like)
   ========================================================= */
body[data-mood="editorial"] {
  --bg: #f4ede2;
  --surface: #ebe2d2;
  --ink: #2a1810;
  --ink-soft: #6b5747;
  --line: rgba(42,24,16,0.16);
  --grid-line: rgba(42,24,16,0.08);
  --shell: #2a1810;
}

/* ---- Typeface tweak: serif mode ---- */
body[data-typeface="serif"] {
  --font-display: "Fraunces", "Noto Serif KR", serif;
}
body[data-typeface="serif"] .display,
body[data-typeface="serif"] h1,
body[data-typeface="serif"] h2,
body[data-typeface="serif"] h3 {
  font-family: var(--font-serif);
  letter-spacing: -0.025em;
  font-variation-settings: "opsz" 144, "SOFT" 30;
}

/* =========================================================
   Type scale
   ========================================================= */
.eyebrow {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ink-soft);
}
.eyebrow.amber { color: var(--amber-strong); }

.display {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 0.96;
}

h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.05;
  color: var(--ink);
}

p { margin: 0; line-height: 1.55; color: var(--ink-soft); }

.amber-text { color: var(--amber-strong); }
.shell-text { color: var(--shell); }

/* =========================================================
   Layout primitives
   ========================================================= */
.section {
  position: relative;
  padding: 0 var(--gutter);
}
.section-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.full {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.label-row {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.label-row::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--amber-strong);
  box-shadow: 0 0 0 4px color-mix(in oklch, var(--amber-strong) 20%, transparent);
}

/* =========================================================
   NAV
   ========================================================= */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  padding: 14px var(--gutter);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  border-bottom: 1px solid var(--line);
  transition: background var(--t-base) var(--ease), border-color var(--t-base);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-display);
  font-size: 14px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0.04em;
  font-size: 14px;
  color: var(--ink);
}
.nav-logo .mark { display: inline-block; }
.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  color: var(--ink);
  text-decoration: none;
  opacity: 0.7;
  font-weight: 500;
  transition: opacity var(--t-fast);
}
.nav-links a:hover { opacity: 1; }
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--bg);
  font-weight: 600;
  font-size: 13px;
  text-decoration: none;
  transition: transform var(--t-fast);
}
.nav-cta:hover { transform: translateY(-1px); }

/* =========================================================
   HERO
   ========================================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 120px var(--gutter) 80px;
  overflow: hidden;
}
.hero-eyebrow {
  margin-bottom: 32px;
  opacity: 0;
  transform: translateY(20px);
  animation: rise 1s var(--ease) 0.1s forwards;
}
.hero-title {
  font-size: clamp(48px, 9vw, 144px);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.96;
  margin: 0;
  color: var(--ink);
}
.hero-title .line {
  display: block;
  opacity: 0;
  transform: translateY(40px);
  animation: rise 1.2s var(--ease) forwards;
}
.hero-title .line:nth-child(1) { animation-delay: 0.25s; }
.hero-title .line:nth-child(2) { animation-delay: 0.45s; color: var(--amber-strong); }
.hero-eng {
  margin-top: 24px;
  font-family: var(--font-display);
  font-size: clamp(16px, 1.6vw, 22px);
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  font-style: italic;
  opacity: 0;
  transform: translateY(20px);
  animation: rise 1s var(--ease) 0.7s forwards;
}
body[data-typeface="serif"] .hero-eng { font-family: var(--font-serif); font-variation-settings: "SOFT" 50; }

.hero-scroll-cue {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-soft);
  opacity: 0;
  animation: fadein 1s var(--ease) 1.4s forwards;
}
.hero-scroll-cue .line {
  width: 1px;
  height: 32px;
  background: linear-gradient(to bottom, transparent, var(--ink-soft));
  animation: pulse-down 2.4s ease-in-out infinite;
}

/* Hero visual — flicker / spark */
.hero-spark {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 110vmin;
  height: 110vmin;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: -1;
  opacity: 0.7;
  filter: blur(60px);
  background:
    radial-gradient(circle at 50% 50%,
      color-mix(in oklch, var(--amber) 35%, transparent) 0%,
      color-mix(in oklch, var(--amber) 12%, transparent) 25%,
      transparent 55%);
  animation: ember-breathe 6s ease-in-out infinite;
}
body[data-mood="light"] .hero-spark { opacity: 0.5; }
body[data-mood="dark"] .hero-spark { opacity: 0.85; }

@keyframes rise {
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadein {
  to { opacity: 1; }
}
@keyframes pulse-down {
  0%, 100% { transform: translateY(0); opacity: 0.3; }
  50% { transform: translateY(8px); opacity: 1; }
}
@keyframes ember-breathe {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.6; }
  50% { transform: translate(-50%, -50%) scale(1.12); opacity: 0.9; }
}

/* =========================================================
   PHILOSOPHY
   ========================================================= */
.philosophy {
  padding: 200px var(--gutter);
  position: relative;
}
.philosophy-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.philosophy-quote {
  font-family: var(--font-display);
  font-size: clamp(36px, 6vw, 92px);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.08;
  color: var(--ink);
}
body[data-typeface="serif"] .philosophy-quote {
  font-family: var(--font-serif);
  font-weight: 400;
  font-style: italic;
  font-variation-settings: "opsz" 144, "SOFT" 70;
}
.philosophy-quote .em {
  color: var(--amber-strong);
}
.philosophy-meta {
  margin-top: 64px;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 64px;
  align-items: start;
  padding-top: 40px;
  border-top: 1px solid var(--line);
}
.philosophy-meta p {
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink-soft);
  max-width: 56ch;
}
.principles {
  margin-top: 96px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.principle {
  background: var(--bg);
  padding: 40px 32px;
}
.principle-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ink-soft);
  margin-bottom: 18px;
}
.principle h4 {
  font-size: 22px;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.principle p { font-size: 14.5px; line-height: 1.55; }

/* =========================================================
   PIPELINE — pinned + horizontal staging
   ========================================================= */
.pipeline-pin-wrap {
  position: relative;
  height: 600vh; /* tall scroll track */
}
.pipeline-stage {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  background: var(--bg);
  transition: background var(--t-base) var(--ease), color var(--t-base) var(--ease);
}
.pipeline-stage[data-active-stage="0"] { background: color-mix(in oklch, var(--bg) 92%, var(--amber-soft)); }
.pipeline-stage[data-active-stage="1"] { background: color-mix(in oklch, var(--bg) 88%, var(--amber) 8%); }
.pipeline-stage[data-active-stage="2"] { background: color-mix(in oklch, var(--bg) 84%, var(--shell) 8%); }
.pipeline-stage[data-active-stage="3"] { background: color-mix(in oklch, var(--bg) 80%, var(--amber-strong) 12%); }
.pipeline-stage[data-active-stage="4"] { background: color-mix(in oklch, var(--bg) 90%, var(--shell) 6%); }

body[data-mood="dark"] .pipeline-stage[data-active-stage="0"] { background: #06050a; }
body[data-mood="dark"] .pipeline-stage[data-active-stage="1"] { background: #0a0805; }
body[data-mood="dark"] .pipeline-stage[data-active-stage="2"] { background: #110804; }
body[data-mood="dark"] .pipeline-stage[data-active-stage="3"] { background: #1a0a04; color: #fff; }
body[data-mood="dark"] .pipeline-stage[data-active-stage="4"] { background: #050505; }

.pipeline-header {
  position: absolute;
  top: 120px;
  left: 0;
  right: 0;
  text-align: center;
  z-index: 4;
  padding: 0 var(--gutter);
}
.pipeline-header .label-row { justify-content: center; margin-bottom: 20px; display: inline-flex; }
.pipeline-header h2 {
  font-size: clamp(28px, 3.5vw, 48px);
  font-weight: 700;
  letter-spacing: -0.025em;
}

.pipeline-track {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.pipeline-step {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 0 var(--gutter);
  opacity: 0;
  transition: opacity 600ms var(--ease), transform 800ms var(--ease);
  transform: translateX(60px);
  pointer-events: none;
}
.pipeline-step.active { opacity: 1; transform: translateX(0); pointer-events: auto; }
.pipeline-step.prev { transform: translateX(-60px); }

.pipeline-step-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  max-width: var(--max-w);
  width: 100%;
}
.pipeline-step-text .step-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--amber-strong);
  margin-bottom: 18px;
}
.pipeline-step-text h3 {
  font-size: clamp(48px, 7vw, 112px);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.92;
  margin-bottom: 28px;
}
.pipeline-step-text h3 .ko {
  display: block;
  font-size: 0.55em;
  color: var(--ink-soft);
  font-weight: 600;
  margin-top: 8px;
  letter-spacing: -0.02em;
}
body[data-typeface="serif"] .pipeline-step-text h3 .ko {
  font-family: var(--font-sans);
  font-style: normal;
}
.pipeline-step-text p {
  font-size: 18px;
  max-width: 42ch;
  line-height: 1.6;
}
.pipeline-visual {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  max-width: 520px;
  justify-self: center;
}

/* Stage dots (progress) */
.pipeline-dots {
  position: absolute;
  bottom: 64px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 16px;
  align-items: center;
  z-index: 5;
}
.pipeline-dot {
  width: 28px;
  height: 2px;
  background: var(--line);
  border-radius: 2px;
  transition: background var(--t-fast), width var(--t-fast);
}
.pipeline-dot.active { background: var(--amber-strong); width: 56px; }
.pipeline-dot.done { background: var(--ink-soft); opacity: 0.4; }

/* =========================================================
   PRODUCTS
   ========================================================= */
.products {
  padding: 200px var(--gutter) 160px;
}
.products-inner { max-width: var(--max-w); margin: 0 auto; }
.products-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: end;
  margin-bottom: 80px;
}
.products-head h2 {
  font-size: clamp(40px, 5.5vw, 80px);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1;
}
.products-head h2 em {
  font-style: normal;
  color: var(--amber-strong);
}
body[data-typeface="serif"] .products-head h2 em {
  font-style: italic;
}
.products-head p {
  font-size: 18px;
  line-height: 1.6;
  max-width: 46ch;
}

.product-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 24px;
}
.product-card {
  position: relative;
  background: var(--surface);
  border-radius: 28px;
  padding: 48px;
  min-height: 560px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  transition: transform var(--t-base) var(--ease);
  border: 1px solid var(--line);
}
.product-card:hover { transform: translateY(-4px); }
.product-card.featured {
  grid-row: span 2;
  background: linear-gradient(155deg, var(--shell) 0%, color-mix(in oklch, var(--shell) 70%, var(--amber-strong) 30%) 100%);
  color: #fff;
  border: none;
}
body[data-mood="light"] .product-card.featured { color: #fff; }
body[data-mood="dark"] .product-card.featured {
  background: linear-gradient(155deg, #1a0a04 0%, color-mix(in oklch, var(--amber) 90%, black) 100%);
}
.product-card.featured h3 { color: #fff; }
.product-card.featured p { color: rgba(255,255,255,0.78); }
.product-card.featured .eyebrow { color: var(--amber-soft); }

.product-card h3 {
  font-size: clamp(28px, 3vw, 44px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-top: 16px;
  margin-bottom: 16px;
}
.product-card p {
  font-size: 15.5px;
  line-height: 1.55;
  max-width: 38ch;
}
.product-card .top { z-index: 2; position: relative; }
.product-card .visual {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.product-card .meta {
  position: relative;
  z-index: 2;
  display: flex;
  gap: 18px;
  margin-top: 32px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.product-card.featured .meta { color: rgba(255,255,255,0.6); }
.product-card .meta span {
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
}
.product-card.featured .meta span { border-color: rgba(255,255,255,0.18); }

/* =========================================================
   INDUSTRIES
   ========================================================= */
.industries {
  padding: 160px var(--gutter);
  background: var(--surface);
  transition: background var(--t-base) var(--ease);
}
.industries-inner { max-width: var(--max-w); margin: 0 auto; }
.industries-head { margin-bottom: 80px; max-width: 720px; }
.industries-head h2 {
  font-size: clamp(40px, 5vw, 72px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  margin: 16px 0 24px;
}
.industries-head p { font-size: 18px; line-height: 1.6; }

.industry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.industry-card {
  position: relative;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 40px;
  min-height: 480px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  transition: transform var(--t-base) var(--ease), border-color var(--t-base);
}
.industry-card:hover {
  transform: translateY(-4px);
  border-color: color-mix(in oklch, var(--amber-strong) 40%, var(--line));
}
.industry-card .num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--ink-soft);
}
.industry-card h3 {
  font-size: clamp(22px, 2.2vw, 30px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 16px 0 12px;
}
.industry-card .eng {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--amber-strong);
  font-size: 14px;
  letter-spacing: 0.02em;
}
body[data-typeface="serif"] .industry-card .eng { font-family: var(--font-serif); }
.industry-card p { font-size: 15px; line-height: 1.6; margin-top: 16px; max-width: 36ch; }
.industry-card .visual {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 24px 0;
}

/* =========================================================
   GLOBAL
   ========================================================= */
.global {
  padding: 200px var(--gutter);
  position: relative;
  overflow: hidden;
}
.global-inner { max-width: var(--max-w); margin: 0 auto; }
.global-head { text-align: center; margin-bottom: 100px; }
.global-head h2 {
  font-size: clamp(40px, 6vw, 88px);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1;
  margin: 20px 0 0;
}

.global-map {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.global-viz {
  position: relative;
  aspect-ratio: 1;
  max-width: 560px;
}
.global-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.global-item {
  display: grid;
  grid-template-columns: 60px 1fr auto;
  gap: 20px;
  align-items: center;
  padding: 28px 0;
  border-top: 1px solid var(--line);
  transition: padding-left var(--t-base) var(--ease);
  cursor: pointer;
}
.global-item:last-child { border-bottom: 1px solid var(--line); }
.global-item:hover { padding-left: 16px; }
.global-item .idx {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft);
}
.global-item h4 {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.global-item h4 .ko { font-size: 14px; font-weight: 500; color: var(--ink-soft); margin-left: 10px; letter-spacing: 0; }
.global-item p { font-size: 14.5px; line-height: 1.5; margin-top: 6px; max-width: 40ch; }
.global-item .arrow {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-soft);
  transition: background var(--t-fast), color var(--t-fast), transform var(--t-fast);
}
.global-item:hover .arrow {
  background: var(--amber-strong);
  color: white;
  transform: translateX(4px);
  border-color: transparent;
}

/* =========================================================
   FOOTER / CONTACT
   ========================================================= */
.footer {
  background: var(--shell);
  color: #f5f5f7;
  padding: 140px var(--gutter) 60px;
  position: relative;
  overflow: hidden;
}
body[data-mood="dark"] .footer { background: #000; border-top: 1px solid rgba(255,255,255,0.08); }
body[data-mood="editorial"] .footer { background: #2a1810; }

.footer-inner { max-width: var(--max-w); margin: 0 auto; position: relative; z-index: 2; }
.footer h2 {
  font-size: clamp(48px, 8vw, 144px);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.92;
  color: #f5f5f7;
}
.footer h2 .em { color: var(--amber); }
body[data-typeface="serif"] .footer h2 .em { font-style: italic; }
.footer-cta {
  margin-top: 56px;
  display: inline-flex;
  align-items: center;
  gap: 16px;
  padding: 18px 28px;
  border-radius: 999px;
  background: var(--amber-strong);
  color: #1a0e05;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.01em;
  font-size: 17px;
  text-decoration: none;
  transition: transform var(--t-fast);
}
.footer-cta:hover { transform: translateY(-2px); }

.footer-grid {
  margin-top: 140px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-top: 60px;
  border-top: 1px solid rgba(255,255,255,0.12);
}
.footer-col h5 {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  font-family: var(--font-mono);
  margin-bottom: 20px;
  font-weight: 500;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-col a, .footer-col li {
  color: rgba(255,255,255,0.78);
  text-decoration: none;
  font-size: 14.5px;
  line-height: 1.5;
}
.footer-col a:hover { color: var(--amber); }

.footer-bar {
  margin-top: 80px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: rgba(255,255,255,0.4);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

/* =========================================================
   Scroll reveal helper
   ========================================================= */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 900ms var(--ease), transform 900ms var(--ease);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}
body[data-scroll-anims="off"] .reveal { opacity: 1 !important; transform: none !important; }
body[data-scroll-anims="off"] .pipeline-step { opacity: 1; transform: none; position: relative; height: 100vh; }
body[data-scroll-anims="off"] .pipeline-pin-wrap { height: auto; }
body[data-scroll-anims="off"] .pipeline-stage { position: relative; height: auto; }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 960px) {
  .principles { grid-template-columns: 1fr; }
  .pipeline-step-inner { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .products-head, .global-map { grid-template-columns: 1fr; gap: 40px; }
  .product-grid { grid-template-columns: 1fr; }
  .industry-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .philosophy-meta { grid-template-columns: 1fr; }
  .nav-links { display: none; }
}