/* ============================================
   ZEZEco - Design System v3 (Light)
   Inspired by: architectural minimalism,
   data-driven aesthetics, clean light mode
   ============================================ */

:root {
  --bg: #ffffff;
  --bg-card: #f6f9fc;
  --bg-elevated: #eef2f7;
  --border: #e2e8f0;
  --border-light: #cbd5e1;
  --text: #0f172a;
  --text-dim: #475569;
  --text-muted: #64748b;
  --accent: #5b7a94;
  --accent-strong: #3e5568;
  --accent2: #7a92a6;
  --purple: #8e94a6;
  --amber: #c19a6b;
  --mono: 'JetBrains Mono', 'Courier New', monospace;
  --sans: 'Inter', -apple-system, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  background-image: radial-gradient(ellipse at 30% 20%, rgba(91,122,148,0.06) 0%, transparent 60%);
  color: var(--text);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; transition: color 0.3s; }
img { max-width: 100%; display: block; }

/* --- WebGL Background --- */
.webgl-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* --- Architectural Frame --- */
.arch-line {
  position: fixed;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--border);
  z-index: 1;
  pointer-events: none;
}
.arch-line-left { left: 48px; }
.arch-line-right { right: 48px; }

.arch-node {
  position: fixed;
  width: 7px;
  height: 7px;
  border: 1px solid var(--border-light);
  background: var(--bg);
  z-index: 2;
  pointer-events: none;
}
.arch-node-tl { top: 0; left: 45px; }
.arch-node-tr { top: 0; right: 45px; }
.arch-node-bl { bottom: 0; left: 45px; }
.arch-node-br { bottom: 0; right: 45px; }

/* --- Navigation --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 0 48px;
  transition: background 0.4s, backdrop-filter 0.4s;
}

.navbar.scrolled {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 1px;
}

.nav-logo-mark {
  width: 26px;
  height: 26px;
  border: 1.5px solid var(--accent);
  border-radius: 7px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-strong);
  flex: none;
}

.nav-logo-text {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  color: var(--text);
}

.nav-links {
  display: flex;
  gap: 4px;
}

.nav-links a {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text);
  padding: 8px 16px;
  border: none;
  transition: all 0.3s;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 16px;
  right: 16px;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
  background: rgba(15,23,42,0.05);
}

.nav-cta {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text);
  padding: 10px 24px;
  border: 1px solid var(--border-light);
  background: transparent;
  transition: all 0.3s;
}

.nav-cta:hover {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
}

/* Language Toggle */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 4px;
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text);
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px 10px;
  transition: opacity 0.3s;
}

.lang-toggle:hover {
  opacity: 0.7;
}

.lang-active {
  color: var(--accent);
  font-weight: 500;
}

.lang-divider {
  color: var(--border-light);
}

.lang-inactive {
  color: var(--text-muted);
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.mobile-toggle span {
  width: 22px;
  height: 1px;
  background: var(--text);
  transition: 0.3s;
}

/* --- Hero --- */
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  z-index: 1;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(255,255,255,0.96) 0%, rgba(246,249,252,0.98) 100%);
}

/* Hero Particle Background */
.hero-particles {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}

/* Hero Carousel */
.hero-carousel {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.2s ease-in-out;
  pointer-events: none;
  z-index: 0;
}

.hero-slide.active {
  opacity: 1;
  pointer-events: auto;
}

.hero-slide-bg {
  display: none;
}

.hero-slide-overlay {
  position: absolute;
  inset: 0;
  background: transparent;
}

.hero-slide-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  max-width: 680px;
  padding: 0 24px;
  text-align: center;
  z-index: 10;
}

.hero-slide-label {
  font-family: var(--mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--accent);
  margin-bottom: 12px;
  display: block;
}

.hero-slide-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 200;
  text-transform: uppercase;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
  color: var(--text);
}

.hero-slide-desc {
  font-size: 0.9rem;
  font-weight: 200;
  color: var(--text-dim);
  line-height: 1.7;
  margin-bottom: 20px;
}

.hero-slide-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text);
  padding: 12px 28px;
  border: 1px solid var(--border-light);
  background: transparent;
  transition: all 0.3s;
}

.hero-slide-btn:hover {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
}

.hero-slide-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* Carousel Controls */
.hero-controls {
  position: absolute;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 12px;
  z-index: 10;
}

.hero-dot {
  width: 32px;
  height: 3px;
  background: rgba(15,23,42,0.15);
  border: none;
  cursor: pointer;
  transition: all 0.3s;
  padding: 0;
}

.hero-dot.active {
  background: var(--accent);
  width: 48px;
}

.hero-dot:hover {
  background: rgba(15,23,42,0.35);
}

.hero-inner {
  position: relative;
  z-index: 5;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 48px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding-top: 80px;
  padding-bottom: 32px;
  height: 100vh;
}

/* Data Bar */
.data-bar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.data-col {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.data-col-right { text-align: right; }
.data-col-desc { max-width: 500px; }
.data-col-cta { text-align: right; align-items: flex-end; }

.data-label {
  font-family: var(--mono);
  font-size: 0.6rem;
  font-weight: 300;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-dim);
}

.data-value {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--text);
  letter-spacing: 0.5px;
}

.data-desc {
  font-family: var(--sans);
  font-size: 0.85rem;
  font-weight: 200;
  color: var(--text-dim);
  line-height: 1.8;
  margin-top: 4px;
}

/* Scroll Indicator */
.scroll-indicator {
  width: 1px;
  height: 40px;
  background: var(--border-light);
  margin-bottom: 8px;
  position: relative;
  overflow: hidden;
}

.scroll-line {
  width: 100%;
  height: 12px;
  background: var(--accent);
  position: absolute;
  top: -12px;
  animation: scroll-down 2s ease-in-out infinite;
}

@keyframes scroll-down {
  0% { top: -12px; }
  100% { top: 40px; }
}

/* Hero Typography */
.stats-section {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 48px;
  display: flex;
  align-items: center;
}

.stat-item {
  flex: 1;
  padding: 40px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.stat-divider {
  width: 1px;
  height: 60px;
  background: var(--border);
}

.stat-number {
  font-family: var(--mono);
  font-size: 2.5rem;
  font-weight: 300;
  color: var(--accent);
  letter-spacing: -1px;
}

.stat-label {
  font-family: var(--mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-dim);
}

/* Sections */
.section {
  position: relative;
  z-index: 1;
  padding: 120px 0;
}

.section-alt {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-dark {
  background: var(--bg);
}

.section-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 48px;
}

.section-header {
  margin-bottom: 64px;
}

.section-tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--text-dim);
  margin-bottom: 16px;
}

.section-heading {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 100;
  line-height: 1.15;
  letter-spacing: -1px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1rem;
  font-weight: 200;
  color: var(--text-dim);
  max-width: 520px;
  line-height: 1.8;
}

/* Spec Cards (What We Do) */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
}

.spec-card {
  background: var(--bg);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  transition: background 0.4s;
}

.spec-card:hover {
  background: var(--bg-elevated);
}

.spec-card-top {
  display: flex;
  justify-content: space-between;
  margin-bottom: 24px;
}

.spec-card-id {
  font-family: var(--mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-dim);
}

.spec-card-status {
  font-family: var(--mono);
  font-size: 0.55rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent);
  padding: 2px 8px;
  border: 1px solid rgba(91,122,148,0.3);
}

.spec-card h3 {
  font-size: 1.3rem;
  font-weight: 300;
  margin-bottom: 12px;
}

.spec-card p {
  font-size: 0.85rem;
  font-weight: 200;
  color: var(--text-dim);
  line-height: 1.7;
  margin-bottom: 24px;
}

.spec-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  margin-top: auto;
  margin-bottom: 24px;
}

.spec-grid-compact {
  margin-bottom: 20px;
}

.spec-cell {
  background: var(--bg);
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.spec-key {
  font-family: var(--mono);
  font-size: 0.55rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
}

.spec-val {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--text);
  font-weight: 400;
}

.spec-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text);
  padding: 12px 0;
  border-top: 1px solid var(--border);
  transition: all 0.3s;
}

.spec-btn:hover {
  color: var(--accent);
}

.spec-btn:hover .spec-btn-arrow {
  transform: translateX(4px);
}

.spec-btn-arrow {
  transition: transform 0.3s;
}

.spec-btn-light {
  color: #ffffff;
  background: var(--text);
  padding: 12px 28px;
  border-top: none;
}

.spec-btn-light:hover {
  background: var(--accent);
  color: #ffffff;
}

.spec-btn-outline {
  border: 1px solid var(--border-light);
  padding: 12px 28px;
  border-top: none;
}

.spec-btn-outline:hover {
  border-color: var(--text);
  color: var(--text);
}

/* Split Cards (Products) */
.split-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  margin-bottom: 1px;
}

.split-card-reverse {
  direction: rtl;
}

.split-card-reverse > * {
  direction: ltr;
}

.split-card-visual {
  background: linear-gradient(135deg, #e8f4f8 0%, #f3f9fb 100%);
  min-height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px;
  position: relative;
  overflow: hidden;
}

.split-card-visual-dark {
  background: linear-gradient(135deg, #f0f8fc 0%, #e4f1f8 100%);
}

.split-card-visual-purple {
  background: linear-gradient(135deg, #f3eaff 0%, #faf4ff 100%);
}

.split-card-visual-slate {
  background: linear-gradient(135deg, #e9f0f5 0%, #f5f8fb 100%);
}

.split-card-visual-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.alignogram-preview {
  width: 200px;
  height: 280px;
  filter: drop-shadow(0 0 20px rgba(91,122,148,0.18));
}

.pulse-dot {
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { r: 3; opacity: 1; }
  50% { r: 6; opacity: 0.5; }
}

.split-card-badge {
  position: absolute;
  bottom: 20px;
  right: 20px;
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 2px;
  color: var(--bg);
  background: var(--accent);
  padding: 4px 12px;
}

.split-card-info {
  background: var(--bg);
  padding: 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.split-card-tag {
  font-family: var(--mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-dim);
  margin-bottom: 12px;
}

.split-card-info h3 {
  font-size: 2rem;
  font-weight: 100;
  text-transform: uppercase;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}

.split-card-info p {
  font-size: 0.9rem;
  font-weight: 200;
  color: var(--text-dim);
  line-height: 1.8;
  margin-bottom: 28px;
}

/* Viewer Mock */
.viewer-screenshot {
  width: 100%;
  max-width: 640px;
  border: 1px solid var(--border-light);
  box-shadow: 0 20px 40px rgba(62,85,104,0.18);
}

.viewer-mock {
  width: 100%;
  max-width: 380px;
  border: 1px solid var(--border-light);
  background: var(--bg);
}

.viewer-toolbar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
}

.viewer-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--border-light);
}

.viewer-title {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 0.55rem;
  color: var(--text-dim);
  letter-spacing: 1px;
}

.viewer-body {
  display: flex;
  height: 200px;
}

.viewer-panel {
  width: 70px;
  border-right: 1px solid var(--border);
  padding: 8px 6px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.viewer-right {
  border-right: none;
  border-left: 1px solid var(--border);
}

.viewer-btn {
  font-family: var(--mono);
  font-size: 0.45rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-dim);
  padding: 4px;
  border: 1px solid var(--border);
  text-align: center;
}

.viewer-canvas {
  flex: 1;
  background: #1e293b;
  position: relative;
}

.viewer-crosshair {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  border: 1px solid rgba(91,122,148,0.5);
  transform: translate(-50%, -50%);
}

.viewer-roi {
  position: absolute;
  top: 30%;
  left: 35%;
  width: 30%;
  height: 40%;
  border: 1px solid rgba(16,185,129,0.5);
}

.viewer-coord {
  position: absolute;
  bottom: 4px;
  right: 4px;
  font-family: var(--mono);
  font-size: 0.45rem;
  color: rgba(226,232,240,0.6);
}

/* EMR Mock */
.emr-mock {
  width: 100%;
  max-width: 380px;
  border: 1px solid var(--border-light);
  background: var(--bg);
  display: flex;
  height: 240px;
}

.emr-sidebar {
  width: 100px;
  background: var(--bg-elevated);
  border-right: 1px solid var(--border);
  padding: 8px 0;
}

.emr-sidebar-item {
  font-family: var(--mono);
  font-size: 0.45rem;
  color: var(--text-muted);
  padding: 6px 10px;
  letter-spacing: 0.5px;
}

.emr-sidebar-item.active {
  color: var(--accent);
  border-left: 2px solid var(--accent);
}

.emr-main {
  flex: 1;
  padding: 10px;
}

.emr-header-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--mono);
  font-size: 0.55rem;
  color: var(--text-dim);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.emr-badge {
  font-size: 0.5rem;
  color: var(--accent);
  border: 1px solid rgba(91,122,148,0.3);
  padding: 2px 6px;
}

.emr-cards {
  display: flex;
  gap: 8px;
}

.emr-mini-card {
  flex: 1;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: 10px 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.emr-mini-num {
  font-family: var(--mono);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
}

.emr-mini-label {
  font-family: var(--mono);
  font-size: 0.45rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
}

/* Network Canvas */
.network-canvas-wrap {
  position: relative;
  height: 400px;
  border: 1px solid var(--border);
  background: var(--bg-card);
}

.network-canvas {
  width: 100%;
  height: 100%;
}

.network-labels {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.network-node {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 8px;
}

.node-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px rgba(91,122,148,0.4);
  animation: pulse-dot 2s ease-in-out infinite;
}

.node-text {
  font-family: var(--mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
  white-space: nowrap;
}

/* Steps */
.steps-list {
  display: flex;
  flex-direction: column;
}

.step-item {
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}

.step-item:hover {
  background: var(--bg-card);
  padding-left: 16px;
  padding-right: 16px;
  margin-left: -16px;
  margin-right: -16px;
}

.step-num {
  font-family: var(--mono);
  font-size: 2rem;
  font-weight: 300;
  color: var(--text-muted);
  min-width: 80px;
}

.step-content {
  flex: 1;
}

.step-content h4 {
  font-size: 1.2rem;
  font-weight: 300;
  margin-bottom: 4px;
}

.step-content p {
  font-size: 0.85rem;
  font-weight: 200;
  color: var(--text-dim);
  margin: 0;
}

.step-tag {
  font-family: var(--mono);
  font-size: 0.55rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent);
  padding: 4px 12px;
  border: 1px solid rgba(91,122,148,0.25);
}

/* CTA */
.cta-section {
  position: relative;
  z-index: 1;
  padding: 120px 0;
  border-top: 1px solid var(--border);
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-card) 100%);
}

.cta-content {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.cta-heading {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 100;
  text-transform: uppercase;
  letter-spacing: -1px;
  margin: 16px 0;
}

.cta-desc {
  font-size: 1rem;
  font-weight: 200;
  color: var(--text-dim);
  max-width: 480px;
  margin-bottom: 32px;
}

.cta-buttons {
  display: flex;
  gap: 16px;
}

.cta-buttons .spec-btn-light {
  background: var(--accent);
  color: #ffffff;
  padding: 14px 36px;
  font-size: 0.75rem;
}

.cta-buttons .spec-btn-light:hover {
  background: var(--accent-strong);
  color: #ffffff;
}

.cta-buttons .spec-btn-outline {
  border-color: var(--border-light);
  color: var(--text);
  padding: 14px 36px;
  font-size: 0.75rem;
}

.cta-buttons .spec-btn-outline:hover {
  background: rgba(15,23,42,0.05);
  border-color: var(--text);
}

/* Footer */
.footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border);
  padding: 64px 0 0;
}

.footer-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 48px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border);
}

.footer-brand p {
  font-size: 0.85rem;
  font-weight: 200;
  color: var(--text-dim);
  margin-top: 12px;
  max-width: 300px;
}

.footer-col h5 {
  font-family: var(--mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-dim);
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  font-size: 0.85rem;
  font-weight: 200;
  color: var(--text-muted);
  padding: 4px 0;
}

.footer-col a:hover {
  color: var(--accent);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  font-family: var(--mono);
  font-size: 0.6rem;
  color: var(--text-muted);
  letter-spacing: 1px;
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  color: var(--text-muted);
}

.footer-links a:hover {
  color: var(--accent);
}

/* --- Reveal Animation --- */
.reveal-el {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-el.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .arch-line, .arch-node { display: none; }
  .navbar { padding: 0 24px; }
  .hero-inner, .section-inner, .stats-inner, .footer-inner { padding: 0 24px; }
  .card-grid { grid-template-columns: 1fr; }
  .split-card { grid-template-columns: 1fr; }
  .split-card-reverse { direction: ltr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
  }
  .nav-links.open { display: flex; }
  .nav-cta { display: none; }
  .lang-toggle { display: none; }
  .mobile-toggle { display: flex; }

  .hero-word {
    font-size: clamp(2.5rem, 10vw, 4rem);
    letter-spacing: -1px;
  }

  .hero-slide-text {
    max-width: none;
    text-align: center;
    top: 48%;
  }

  .hero-slide-title {
    font-size: clamp(1.5rem, 5vw, 2rem);
  }

  .hero-slide-desc {
    font-size: 0.8rem;
    line-height: 1.6;
  }

  .hero-slide-btn {
    font-size: 0.6rem;
    padding: 10px 20px;
  }

  .hero-controls {
    bottom: 80px;
  }

  .hero-inner {
    padding: 0 24px;
  }

  .data-bar-top { margin-bottom: auto; }
  .data-bar-bottom { margin-top: auto; }

  .stats-inner { flex-wrap: wrap; }
  .stat-item { min-width: 45%; }
  .stat-divider { display: none; }

  .split-card-visual { min-height: 280px; padding: 24px; }
  .split-card-info { padding: 24px; }

  .data-bar { flex-direction: column; gap: 16px; }
  .data-col-right { text-align: left; }
  .data-col-cta { align-items: flex-start; text-align: left; }
  .data-col-desc { max-width: 100%; }

  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }

  .cta-buttons { flex-direction: column; align-items: center; }
  .step-item { flex-wrap: wrap; gap: 12px; }
  .step-tag { margin-left: auto; }
}

@media (max-width: 480px) {
  .hero-line { gap: 8px; }
  .network-canvas-wrap { height: 280px; }
  .network-node { display: none; }

  .hero-slide-text {
    top: 45%;
    padding: 0 16px;
  }

  .hero-slide-title {
    font-size: clamp(1.3rem, 6vw, 1.8rem);
    letter-spacing: -0.3px;
  }

  .hero-slide-desc {
    font-size: 0.75rem;
    margin-bottom: 16px;
  }

  .hero-slide-btn {
    font-size: 0.55rem;
    padding: 10px 18px;
    letter-spacing: 1px;
  }

  .hero-controls {
    bottom: 60px;
    gap: 8px;
  }

  .hero-dot {
    width: 24px;
  }

  .hero-dot.active {
    width: 36px;
  }

  .hero-inner {
    padding: 0 16px;
  }

  .data-label { font-size: 0.5rem; }
  .data-value { font-size: 0.6rem; }
  .data-desc { font-size: 0.75rem; }

  .stat-number { font-size: 1.8rem; }
  .stat-label { font-size: 0.55rem; }
}

/* ============================================
   SUB-PAGE COMPONENTS
   ============================================ */

/* --- Page Header --- */
.page-header {
  position: relative;
  z-index: 1;
  padding: 140px 0 80px;
  border-bottom: 1px solid var(--border);
}

.page-header .section-inner,
.page-header h1 {
  max-width: 1400px;
  margin: 0 auto;
}

.page-header h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 100;
  text-transform: uppercase;
  letter-spacing: -1.5px;
  margin-bottom: 12px;
}

.page-header .section-desc {
  max-width: 600px;
  margin-bottom: 24px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

.breadcrumb a {
  color: var(--text-muted);
}

.breadcrumb a:hover {
  color: var(--accent);
}

.breadcrumb .sep {
  color: var(--text-muted);
}

.breadcrumb .current {
  color: var(--text-dim);
}

/* --- Values Grid --- */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
}

.value-card {
  background: var(--bg);
  padding: 36px 32px;
  transition: background 0.4s;
}

.value-card:hover { background: var(--bg-elevated); }

.value-icon {
  font-size: 1.8rem;
  margin-bottom: 16px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
}

.value-card h4 {
  font-size: 1.1rem;
  font-weight: 300;
  margin-bottom: 8px;
}

.value-card p {
  font-size: 0.85rem;
  font-weight: 200;
  color: var(--text-dim);
  line-height: 1.7;
}

/* --- Timeline --- */
.timeline {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--border);
}

.timeline-item {
  padding: 0 0 48px 48px;
  position: relative;
}

.timeline-dot {
  position: absolute;
  left: 11px;
  top: 4px;
  width: 9px;
  height: 9px;
  border: 1px solid var(--accent);
  background: var(--bg);
}

.timeline-year {
  font-family: var(--mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent);
  margin-bottom: 8px;
}

.timeline-item h4 {
  font-size: 1.1rem;
  font-weight: 300;
  margin-bottom: 6px;
}

.timeline-item p {
  font-size: 0.85rem;
  font-weight: 200;
  color: var(--text-dim);
  line-height: 1.7;
}

/* --- Team Grid --- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
}

.team-card {
  background: var(--bg);
  padding: 36px 32px;
  display: flex;
  gap: 20px;
  transition: background 0.4s;
}

.team-card:hover { background: var(--bg-elevated); }

.team-avatar {
  font-size: 2rem;
  width: 56px;
  height: 56px;
  min-width: 56px;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.team-info h4 {
  font-size: 1rem;
  font-weight: 300;
  margin-bottom: 4px;
}

.team-role {
  font-family: var(--mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent);
  margin-bottom: 8px;
}

.team-info p {
  font-size: 0.8rem;
  font-weight: 200;
  color: var(--text-dim);
  line-height: 1.7;
}

/* --- Publication Cards --- */
.pub-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--border);
  max-width: 860px;
  margin: 0 auto;
}

.pub-card {
  background: var(--bg);
  padding: 32px;
  transition: background 0.4s;
}

.pub-card:hover { background: var(--bg-elevated); }

.pub-type {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.55rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent);
  padding: 3px 10px;
  border: 1px solid rgba(91,122,148,0.3);
  margin-bottom: 12px;
}

.pub-card h3 {
  font-size: 1.1rem;
  font-weight: 300;
  line-height: 1.5;
  margin-bottom: 8px;
}

.pub-authors {
  font-size: 0.8rem;
  font-weight: 200;
  color: var(--text-dim);
  margin-bottom: 4px;
}

.pub-journal {
  font-family: var(--mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.pub-card .pub-desc {
  font-size: 0.85rem;
  font-weight: 200;
  color: var(--text-dim);
  line-height: 1.7;
  margin-bottom: 16px;
}

.pub-link {
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text);
  transition: color 0.3s;
}

.pub-link:hover { color: var(--accent); }

/* --- Key Features / Findings --- */
.key-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--border);
}

.key-item {
  background: var(--bg);
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 24px;
  transition: background 0.3s;
}

.key-item:hover { background: var(--bg-elevated); }

.key-icon {
  font-size: 1.2rem;
  width: 40px;
  min-width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
}

.key-item h5 {
  font-size: 0.95rem;
  font-weight: 300;
  margin-bottom: 4px;
}

.key-item p {
  font-size: 0.8rem;
  font-weight: 200;
  color: var(--text-dim);
  line-height: 1.6;
}

/* --- Services Grid --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
}

.service-card {
  background: var(--bg);
  padding: 36px 32px;
  transition: background 0.4s;
}

.service-card:hover { background: var(--bg-elevated); }

.service-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  border: 1px solid var(--border);
  margin-bottom: 20px;
}

.service-card h3 {
  font-size: 1.1rem;
  font-weight: 300;
  margin-bottom: 8px;
}

.service-card p {
  font-size: 0.85rem;
  font-weight: 200;
  color: var(--text-dim);
  line-height: 1.7;
}

/* --- Steps Grid (for sub-pages) --- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
}

.step-card {
  background: var(--bg);
  padding: 32px 24px;
  transition: background 0.4s;
}

.step-card:hover { background: var(--bg-elevated); }

.step-num {
  font-family: var(--mono);
  font-size: 2rem;
  font-weight: 300;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.step-card h4 {
  font-size: 1rem;
  font-weight: 300;
  margin-bottom: 6px;
}

.step-card p {
  font-size: 0.8rem;
  font-weight: 200;
  color: var(--text-dim);
  line-height: 1.6;
}

/* --- Feature Cards (for sub-pages) --- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
}

.feature-card {
  background: var(--bg);
  padding: 36px 32px;
  transition: background 0.4s;
}

.feature-card:hover { background: var(--bg-elevated); }

.feature-icon {
  font-size: 1.5rem;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 300;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.85rem;
  font-weight: 200;
  color: var(--text-dim);
  line-height: 1.7;
}

/* --- Product Features List --- */
.product-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 16px 0 24px;
}

.product-features li {
  font-size: 0.85rem;
  font-weight: 200;
  color: var(--text-dim);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.product-features .check {
  color: var(--accent);
  font-weight: 500;
  min-width: 16px;
}

/* --- Contact Grid & Form --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.contact-info-card {
  display: flex;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}

.contact-info-card .ci-icon {
  font-size: 1.3rem;
  width: 40px;
  min-width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
}

.contact-info-card h4 {
  font-size: 0.95rem;
  font-weight: 300;
  margin-bottom: 4px;
}

.contact-info-card p {
  font-size: 0.8rem;
  font-weight: 200;
  color: var(--text-dim);
}

.contact-info-box {
  margin-top: 24px;
  padding: 24px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
}

.contact-info-box h4 {
  font-size: 0.95rem;
  font-weight: 300;
  margin-bottom: 8px;
}

.contact-info-box p {
  font-size: 0.85rem;
  font-weight: 200;
  color: var(--text-dim);
  margin-bottom: 12px;
}

.contact-form-box h3 {
  font-size: 1.3rem;
  font-weight: 300;
  margin-bottom: 24px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-family: var(--mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--sans);
  font-size: 0.85rem;
  font-weight: 200;
  outline: none;
  transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group select {
  appearance: none;
  cursor: pointer;
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-submit {
  width: 100%;
  padding: 14px;
  background: var(--text);
  color: var(--bg);
  border: none;
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  cursor: pointer;
  transition: background 0.3s;
}

.form-submit:hover {
  background: var(--accent);
}

/* --- Form Messages --- */
.form-success,
.form-error {
  padding: 14px 18px;
  border-left: 3px solid;
  font-size: 0.85rem;
  margin-top: 12px;
}

.form-success {
  background: rgba(95, 122, 110, 0.08);
  border-color: #46637f;
  color: #46637f;
}

.form-error {
  background: rgba(239, 68, 68, 0.08);
  border-color: #ef4444;
  color: #ef4444;
}

/* --- Footer ul reset --- */
.footer-col ul,
.footer ul {
  list-style: none;
}

.footer-col li,
.footer li {
  margin-bottom: 6px;
}

/* --- Responsive for sub-pages --- */
@media (max-width: 1024px) {
  .values-grid,
  .team-grid,
  .services-grid,
  .features-grid,
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .page-header h1 { font-size: clamp(2rem, 8vw, 3rem); }
  .form-row { grid-template-columns: 1fr; }
  .team-card { flex-direction: column; gap: 12px; }
  .key-item { flex-direction: column; gap: 8px; }
}

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

/* --- Cookie Consent Banner --- */
.cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1200;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 18px 24px;
  background: var(--accent-strong);
  color: #ffffff;
  font-size: 0.85rem;
  box-shadow: 0 -8px 24px rgba(15, 23, 42, 0.25);
  animation: cookie-slide-up 0.4s ease;
}

@keyframes cookie-slide-up {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

.cookie-banner-text {
  margin: 0;
  max-width: 640px;
  line-height: 1.6;
}

.cookie-banner-actions {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}

.cookie-btn {
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 10px 22px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: transparent;
  color: #ffffff;
  cursor: pointer;
  transition: all 0.3s;
}

.cookie-btn:hover {
  background: rgba(255, 255, 255, 0.12);
}

.cookie-btn-accept {
  background: var(--accent);
  border-color: var(--accent);
}

.cookie-btn-accept:hover {
  background: var(--accent-strong);
  border-color: var(--accent);
}

@media (max-width: 640px) {
  .cookie-banner {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }
  .cookie-banner-actions {
    justify-content: center;
  }
}