:root {
  --bg-dark: #080d14;
  --bg-card: #0d1620;
  --bg-alt: #0a1119;
  --bg-nav: rgba(8,13,20,0.85);
  --accent-blue: #1e6fd9;
  --accent-teal: #00d4aa;
  --accent-orange: #ff6b35;
  --text-primary: #e8f0fe;
  --text-secondary: #8fa8c8;
  --text-muted: #4a6580;
  --border: rgba(30,111,217,0.2);
  --border-hover: rgba(0,212,170,0.5);
  --shadow: 0 4px 24px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 30px rgba(30,111,217,0.15);
  --gradient: linear-gradient(135deg, #1e6fd9, #00d4aa);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: var(--accent-teal); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent-blue); }
img { max-width: 100%; }
.container { max-width: 1240px; margin: 0 auto; padding: 0 2rem; }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: var(--bg-nav);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(8,13,20,0.97);
  box-shadow: var(--shadow);
}
.nav-container {
  max-width: 1400px; margin: 0 auto;
  padding: 0 2rem;
  display: flex; align-items: center; gap: 2rem;
  height: 70px;
}
.nav-logo {
  display: flex; align-items: center; gap: 0.75rem;
  text-decoration: none; flex-shrink: 0;
}
.logo-icon { font-size: 1.8rem; color: var(--accent-teal); }
.logo-text {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.4rem; font-weight: 700;
  color: var(--text-primary); letter-spacing: 0.05em;
}
.logo-sub {
  display: block; font-size: 0.6rem; font-weight: 400;
  letter-spacing: 0.15em; color: var(--text-muted); line-height: 1;
}
.nav-links {
  display: flex; align-items: center; gap: 0.25rem;
  flex: 1; justify-content: center;
}
.nav-link {
  color: var(--text-secondary);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem; font-weight: 500;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
  background: rgba(30,111,217,0.1);
}
.nav-link.nav-cta {
  background: var(--accent-blue);
  color: white; padding: 0.5rem 1.25rem;
  border-radius: 6px; font-weight: 600;
}
.nav-link.nav-cta:hover { background: #1558b0; color: white; }
.nav-lang { display: flex; gap: 0.5rem; }
.lang-btn {
  background: transparent; border: 1px solid var(--border);
  color: var(--text-muted); padding: 0.3rem 0.6rem;
  border-radius: 4px; font-size: 0.8rem; cursor: pointer;
  transition: var(--transition);
}
.lang-btn.active { border-color: var(--accent-teal); color: var(--accent-teal); }
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.hamburger span { display: block; width: 24px; height: 2px; background: var(--text-primary); border-radius: 2px; transition: var(--transition); }

/* ===== HERO ===== */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  position: relative; overflow: hidden;
  padding: 100px 2rem 80px;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(30,111,217,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30,111,217,0.06) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero-particles {
  position: absolute; inset: 0;
}
.particle {
  position: absolute; width: 2px; height: 2px;
  background: var(--accent-teal); border-radius: 50%;
  opacity: 0; animation: particleFade 4s infinite;
}
@keyframes particleFade {
  0% { opacity: 0; transform: translateY(0); }
  50% { opacity: 0.6; }
  100% { opacity: 0; transform: translateY(-60px); }
}
.hero-content {
  position: relative; z-index: 1;
  max-width: 760px; margin: 0 auto;
  text-align: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: rgba(0,212,170,0.08);
  border: 1px solid rgba(0,212,170,0.3);
  color: var(--accent-teal);
  padding: 0.5rem 1.25rem;
  border-radius: 50px; font-size: 0.875rem;
  margin-bottom: 2rem;
}
.badge-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent-teal);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}
.hero-title {
  font-family: 'Rajdhani', sans-serif;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700; line-height: 1.1;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}
.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: 1.125rem; color: var(--text-secondary);
  max-width: 600px; margin: 0 auto 2.5rem;
  line-height: 1.8;
}
.hero-stats {
  display: flex; align-items: center; justify-content: center;
  gap: 0; margin-bottom: 2.5rem;
  background: rgba(13,22,32,0.8);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 2rem;
}
.stat-item { text-align: center; padding: 0 2rem; }
.stat-num {
  font-family: 'Rajdhani', sans-serif;
  font-size: 2rem; font-weight: 700;
  color: var(--accent-teal); line-height: 1;
}
.stat-label { font-size: 0.8rem; color: var(--text-muted); margin-top: 0.25rem; }
.stat-divider {
  width: 1px; height: 40px;
  background: var(--border); flex-shrink: 0;
}
.hero-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: var(--accent-blue); color: white;
  padding: 0.875rem 2rem; border-radius: 8px;
  font-weight: 600; font-size: 1rem;
  transition: var(--transition); border: none; cursor: pointer;
  text-decoration: none;
}
.btn-primary:hover { background: #1558b0; color: white; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(30,111,217,0.4); }
.btn-secondary {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: transparent; color: var(--text-primary);
  padding: 0.875rem 2rem; border-radius: 8px;
  font-weight: 600; font-size: 1rem;
  border: 1px solid var(--border);
  transition: var(--transition); text-decoration: none;
}
.btn-secondary:hover { border-color: var(--accent-teal); color: var(--accent-teal); background: rgba(0,212,170,0.05); }
.btn-full { width: 100%; justify-content: center; }
.hero-scroll {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
  color: var(--text-muted); font-size: 0.75rem; letter-spacing: 0.1em;
}
.scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(var(--accent-teal), transparent);
  animation: scrollPulse 2s infinite;
}
@keyframes scrollPulse { 0%, 100% { opacity: 0.3; } 50% { opacity: 1; } }

/* ===== TRUST BAR ===== */
.trust-bar {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 0; overflow: hidden;
}
.trust-label { text-align: center; color: var(--text-muted); font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 1rem; }
.trust-logos {
  display: flex; gap: 3rem; animation: marquee 25s linear infinite;
  width: max-content;
}
.trust-item {
  font-family: 'Rajdhani', sans-serif;
  color: var(--text-muted); font-size: 1rem; font-weight: 600;
  letter-spacing: 0.05em; white-space: nowrap;
  transition: var(--transition);
}
.trust-item:hover { color: var(--accent-teal); }
@keyframes marquee { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* ===== SECTIONS ===== */
.section-header { text-align: center; margin-bottom: 4rem; }
.section-tag {
  display: inline-block;
  color: var(--accent-teal); font-size: 0.8rem;
  font-weight: 600; letter-spacing: 0.15em; text-transform: uppercase;
  margin-bottom: 1rem;
}
.section-title {
  font-family: 'Rajdhani', sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700; color: var(--text-primary);
  margin-bottom: 1rem; line-height: 1.2;
}
.section-desc { color: var(--text-secondary); max-width: 600px; margin: 0 auto; line-height: 1.8; }

/* ===== PRODUCT OVERVIEW ===== */
.products-overview { padding: 6rem 0; }
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  position: relative; overflow: hidden;
  transition: var(--transition);
  text-decoration: none; color: inherit;
  display: block;
  opacity: 0; transform: translateY(30px);
}
.product-card.visible { opacity: 1; transform: translateY(0); }
.product-card::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(30,111,217,0.05), transparent);
  opacity: 0; transition: var(--transition);
}
.product-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow);
}
.product-card:hover::before { opacity: 1; }
.card-icon {
  width: 52px; height: 52px;
  background: rgba(30,111,217,0.1);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.25rem; color: var(--accent-teal);
}
.card-icon svg { width: 28px; height: 28px; }
.card-number {
  position: absolute; top: 1.5rem; right: 1.5rem;
  font-family: 'Rajdhani', sans-serif;
  font-size: 3rem; font-weight: 700;
  color: rgba(30,111,217,0.08); line-height: 1;
  pointer-events: none;
}
.product-card h3 {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.3rem; font-weight: 700;
  margin-bottom: 0.75rem; color: var(--text-primary);
}
.product-card p { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.7; }
.card-arrow {
  margin-top: 1.5rem;
  color: var(--accent-teal);
  font-size: 1.25rem;
  transition: var(--transition);
}
.product-card:hover .card-arrow { transform: translateX(6px); }

/* ===== PRODUCT SECTIONS ===== */
.product-section { padding: 6rem 0; position: relative; overflow: hidden; }
.section-bg { position: absolute; inset: 0; pointer-events: none; }
.section-bg-alt { background: var(--bg-alt); }
.product-section-inner { position: relative; z-index: 1; }
.product-section-header { margin-bottom: 3.5rem; }
.product-section-header .section-title { text-align: left; }
.product-section-header .section-desc { text-align: left; margin: 0; }

/* ===== FEATURE GRID ===== */
.feature-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem; margin-bottom: 3rem;
}
.feature-item {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.75rem;
  transition: var(--transition);
  opacity: 0; transform: translateY(20px);
}
.feature-item.visible { opacity: 1; transform: translateY(0); }
.feature-item:hover { border-color: rgba(30,111,217,0.4); transform: translateY(-3px); }
.feature-icon { font-size: 1.75rem; margin-bottom: 1rem; }
.feature-item h4 {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.1rem; font-weight: 700;
  margin-bottom: 0.75rem; color: var(--text-primary);
}
.feature-item p { color: var(--text-secondary); font-size: 0.875rem; line-height: 1.7; margin-bottom: 1rem; }
.spec-list { list-style: none; }
.spec-list li {
  color: var(--text-muted); font-size: 0.8rem;
  padding: 0.25rem 0; border-bottom: 1px solid rgba(255,255,255,0.04);
  display: flex; align-items: center; gap: 0.5rem;
}
.spec-list li::before { content: '▸'; color: var(--accent-teal); font-size: 0.6rem; }

/* ===== SPEC TABLE ===== */
.product-spec-table { margin-top: 2rem; }
.product-spec-table h3 {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.2rem; color: var(--text-primary);
  margin-bottom: 1rem; font-weight: 600;
}
.spec-table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; }
thead tr { background: rgba(30,111,217,0.15); }
thead th {
  padding: 1rem 1.25rem; text-align: left;
  color: var(--accent-teal); font-size: 0.85rem;
  font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase;
  border-bottom: 1px solid var(--border);
}
tbody tr { border-bottom: 1px solid rgba(255,255,255,0.04); }
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: rgba(30,111,217,0.05); }
tbody td { padding: 0.875rem 1.25rem; color: var(--text-secondary); font-size: 0.9rem; }
tbody td:first-child { color: var(--text-primary); font-weight: 500; }
td.center { text-align: center; }
tr.highlight td { color: var(--accent-teal) !important; background: rgba(0,212,170,0.05); }

/* ===== TECH CARDS (Exhaust) ===== */
.tech-cards {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem; margin-bottom: 2.5rem;
}
.tech-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2rem;
  position: relative; transition: var(--transition);
  opacity: 0; transform: translateY(20px);
}
.tech-card.visible { opacity: 1; transform: translateY(0); }
.tech-card.featured {
  border-color: rgba(0,212,170,0.35);
  background: linear-gradient(135deg, rgba(0,212,170,0.05), var(--bg-card));
}
.tech-card:hover { border-color: var(--border-hover); transform: translateY(-3px); }
.tech-badge {
  position: absolute; top: -1px; right: 1.5rem;
  background: var(--accent-teal); color: #080d14;
  padding: 0.25rem 0.75rem; border-radius: 0 0 6px 6px;
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.05em;
}
.tech-card h3 {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.2rem; font-weight: 700;
  margin-bottom: 0.75rem; color: var(--text-primary);
}
.tech-card p { color: var(--text-secondary); font-size: 0.875rem; line-height: 1.7; margin-bottom: 1.5rem; }
.tech-specs { display: flex; flex-direction: column; gap: 0.5rem; }
.tech-spec {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.4rem 0; border-bottom: 1px solid rgba(255,255,255,0.04);
  font-size: 0.85rem;
}
.tech-spec span { color: var(--text-muted); }
.tech-spec strong { color: var(--accent-teal); }
.compliance-bar {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.5rem 2rem;
}
.compliance-bar h4 {
  font-size: 0.85rem; color: var(--text-muted);
  margin-bottom: 1rem; text-transform: uppercase; letter-spacing: 0.1em;
}
.compliance-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.compliance-tags span {
  background: rgba(30,111,217,0.1);
  border: 1px solid rgba(30,111,217,0.25);
  color: var(--accent-blue); padding: 0.3rem 0.85rem;
  border-radius: 50px; font-size: 0.8rem; font-weight: 500;
}

/* ===== DIGITAL GRID ===== */
.digital-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.digital-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2rem;
  transition: var(--transition);
}
.digital-card:hover { border-color: var(--border-hover); transform: translateY(-3px); }
.digital-icon { font-size: 2rem; margin-bottom: 1rem; }
.digital-card h3 {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.15rem; font-weight: 700;
  margin-bottom: 0.75rem; color: var(--text-primary);
}
.digital-card p { color: var(--text-secondary); font-size: 0.875rem; line-height: 1.7; margin-bottom: 1.25rem; }
.digital-features { display: flex; flex-direction: column; gap: 0.4rem; }
.digital-features div { color: var(--text-muted); font-size: 0.8rem; }

/* ===== ENERGY SECTION ===== */
.energy-layout {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 3rem; align-items: start; margin-bottom: 2.5rem;
}
.energy-visual { }
.sankey-container {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.5rem;
}
.sankey-title {
  font-size: 0.85rem; color: var(--text-muted);
  text-align: center; margin-bottom: 1rem;
  text-transform: uppercase; letter-spacing: 0.08em;
}
.sankey-svg { width: 100%; height: auto; }
.energy-solutions { display: flex; flex-direction: column; gap: 1.5rem; }
.energy-item {
  display: flex; gap: 1rem;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 1.25rem;
  transition: var(--transition);
}
.energy-item:hover { border-color: rgba(30,111,217,0.3); }
.energy-icon { font-size: 1.5rem; flex-shrink: 0; }
.energy-item h4 {
  font-size: 0.95rem; font-weight: 600;
  color: var(--text-primary); margin-bottom: 0.4rem;
}
.energy-item p { color: var(--text-secondary); font-size: 0.85rem; line-height: 1.6; }
.roi-cards {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.roi-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 1.5rem;
  text-align: center; transition: var(--transition);
}
.roi-card:hover { border-color: var(--border-hover); }
.roi-num {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.75rem; font-weight: 700;
  color: var(--accent-teal); line-height: 1;
  margin-bottom: 0.5rem;
}
.roi-label { color: var(--text-muted); font-size: 0.8rem; }

/* ===== COOLING TABS ===== */
.cooling-tabs {
  display: flex; gap: 0.5rem; flex-wrap: wrap;
  margin-bottom: 1.5rem;
}
.cooling-tab {
  padding: 0.6rem 1.25rem;
  background: transparent; border: 1px solid var(--border);
  color: var(--text-secondary);
  border-radius: 6px; cursor: pointer;
  font-size: 0.875rem; font-weight: 500;
  transition: var(--transition);
}
.cooling-tab.active {
  background: rgba(30,111,217,0.15);
  border-color: var(--accent-blue);
  color: var(--accent-teal);
}
.cooling-panels { position: relative; }
.cooling-panel { display: none; }
.cooling-panel.active { display: block; }
.cooling-content {
  display: grid; grid-template-columns: 1.2fr 1fr;
  gap: 2.5rem;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2.5rem;
}
.cooling-text h3 {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.4rem; font-weight: 700;
  color: var(--text-primary); margin-bottom: 1rem;
}
.cooling-text p { color: var(--text-secondary); line-height: 1.8; margin-bottom: 1.5rem; }
.cooling-specs { display: flex; flex-direction: column; gap: 0.75rem; }
.cs-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.5rem 0; border-bottom: 1px solid var(--border);
  font-size: 0.875rem;
}
.cs-row span { color: var(--text-muted); }
.cs-row strong { color: var(--accent-teal); font-weight: 600; }
.cooling-diagram svg { width: 100%; height: auto; }
.cooling-comparison { margin-top: 2.5rem; }
.cooling-comparison h3 {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.2rem; color: var(--text-primary);
  margin-bottom: 1rem; font-weight: 600;
}
.comparison-table { border-radius: var(--radius); border: 1px solid var(--border); overflow: hidden; }

/* ===== FIXTURES ===== */
.fixture-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem; margin-bottom: 3rem;
}
.fixture-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  transition: var(--transition);
}
.fixture-card:hover { border-color: var(--border-hover); transform: translateY(-4px); }
.fixture-img {
  background: var(--bg-alt); padding: 1.5rem;
  border-bottom: 1px solid var(--border);
}
.fixture-img svg { width: 100%; height: auto; }
.fixture-card h3 {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.1rem; font-weight: 700;
  padding: 1.25rem 1.5rem 0.5rem;
  color: var(--text-primary);
}
.fixture-card p {
  padding: 0 1.5rem 1rem;
  color: var(--text-secondary); font-size: 0.875rem; line-height: 1.7;
}
.fixture-specs {
  padding: 0.75rem 1.5rem 1.25rem;
  display: flex; flex-wrap: wrap; gap: 0.4rem;
}
.fixture-specs span {
  background: rgba(30,111,217,0.08);
  border: 1px solid rgba(30,111,217,0.2);
  color: var(--text-muted); padding: 0.2rem 0.6rem;
  border-radius: 4px; font-size: 0.75rem;
}
.design-process { }
.design-process h3 {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.2rem; color: var(--text-primary);
  margin-bottom: 1.5rem; font-weight: 600;
}
.process-steps {
  display: flex; align-items: center; gap: 0.5rem;
  overflow-x: auto;
}
.process-step {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 1.25rem;
  flex: 1; min-width: 160px;
}
.step-num {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.75rem; font-weight: 700;
  color: rgba(30,111,217,0.3); line-height: 1; margin-bottom: 0.75rem;
}
.step-content h4 { font-size: 0.9rem; color: var(--text-primary); font-weight: 600; margin-bottom: 0.4rem; }
.step-content p { font-size: 0.8rem; color: var(--text-secondary); line-height: 1.5; }
.process-arrow { color: var(--accent-teal); font-size: 1.5rem; flex-shrink: 0; }

/* ===== WHY SECTION ===== */
.why-section { padding: 6rem 0; background: var(--bg-alt); }
.why-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.why-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2rem;
  transition: var(--transition);
  opacity: 0; transform: translateY(20px);
}
.why-card.visible { opacity: 1; transform: translateY(0); }
.why-card:hover { border-color: var(--border-hover); transform: translateY(-4px); box-shadow: var(--shadow-glow); }
.why-icon { font-size: 2rem; margin-bottom: 1rem; }
.why-card h3 {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.15rem; font-weight: 700;
  color: var(--text-primary); margin-bottom: 0.75rem;
}
.why-card p { color: var(--text-secondary); font-size: 0.875rem; line-height: 1.7; }

/* ===== CONTACT ===== */
.contact-section { padding: 6rem 0; }
.contact-grid {
  display: grid; grid-template-columns: 1fr 1.2fr;
  gap: 4rem; align-items: start;
}
.contact-info .section-title { text-align: left; }
.contact-info p { color: var(--text-secondary); margin-bottom: 2.5rem; line-height: 1.8; }
.contact-channels { display: flex; flex-direction: column; gap: 1rem; }
.contact-channel {
  display: flex; align-items: center; gap: 1rem;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 1.25rem;
  transition: var(--transition); position: relative;
}
.contact-channel:hover { border-color: var(--border-hover); }
.channel-icon {
  width: 44px; height: 44px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem; flex-shrink: 0;
}
.wechat-icon { background: rgba(9,188,64,0.15); color: #09bc40; }
.whatsapp-icon { background: rgba(37,211,102,0.15); color: #25d366; }
.email-icon { background: rgba(30,111,217,0.15); color: var(--accent-blue); }
.linkedin-icon { background: rgba(0,119,181,0.15); color: #0077b5; }
.channel-info h4 { font-size: 0.95rem; font-weight: 600; color: var(--text-primary); margin-bottom: 0.2rem; }
.channel-info p { color: var(--text-secondary); font-size: 0.85rem; margin-bottom: 0.5rem; }
.qr-toggle {
  display: inline-block; background: transparent;
  border: 1px solid var(--border); color: var(--text-muted);
  padding: 0.25rem 0.75rem; border-radius: 4px;
  font-size: 0.8rem; cursor: pointer; transition: var(--transition);
  text-decoration: none;
}
.qr-toggle:hover { border-color: var(--accent-teal); color: var(--accent-teal); }
.qr-popup {
  display: none; position: absolute; left: 100%; top: 50%;
  transform: translateY(-50%);
  background: var(--bg-card); border: 1px solid var(--border-hover);
  border-radius: var(--radius); padding: 1.5rem;
  z-index: 100; box-shadow: var(--shadow);
  margin-left: 1rem; width: 220px;
}
.qr-popup.show { display: block; }
.qr-container { text-align: center; }
.qr-code { width: 180px; height: auto; max-width: 100%; display: block; margin: 0 auto; object-fit: contain; image-rendering: pixelated; }
.qr-label { color: var(--text-muted); font-size: 0.8rem; margin-top: 0.75rem; }

/* ===== FORM ===== */
.contact-form-wrap { }
.contact-form {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2.5rem;
}
.contact-form h3 {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.4rem; font-weight: 700;
  color: var(--text-primary); margin-bottom: 2rem;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1rem; }
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; color: var(--text-secondary); font-size: 0.85rem; margin-bottom: 0.4rem; font-weight: 500; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%; background: rgba(255,255,255,0.04);
  border: 1px solid var(--border); border-radius: 6px;
  color: var(--text-primary); padding: 0.75rem 1rem;
  font-size: 0.9rem; font-family: inherit;
  transition: var(--transition); outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--accent-blue); box-shadow: 0 0 0 3px rgba(30,111,217,0.1); }
.form-group select option { background: var(--bg-card); color: var(--text-primary); }
.form-group textarea { resize: vertical; }
.checkbox-group { margin-bottom: 1.5rem; }
.checkbox-label {
  display: flex; align-items: flex-start; gap: 0.75rem;
  cursor: pointer; color: var(--text-muted); font-size: 0.85rem;
}
.checkbox-label input { width: auto; margin-top: 2px; accent-color: var(--accent-teal); }
.form-success {
  display: none; text-align: center;
  color: var(--accent-teal); font-size: 0.9rem;
  margin-top: 1rem; padding: 1rem;
  background: rgba(0,212,170,0.08);
  border-radius: 6px; border: 1px solid rgba(0,212,170,0.2);
}
.form-success.show { display: block; }

/* ===== FOOTER ===== */
.footer { background: var(--bg-alt); border-top: 1px solid var(--border); padding: 4rem 0 2rem; }
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem; margin-bottom: 3rem;
}
.footer-brand p { color: var(--text-muted); font-size: 0.875rem; line-height: 1.7; margin-bottom: 1.5rem; }
.footer-social { display: flex; gap: 0.75rem; }
.social-link {
  width: 36px; height: 36px; border-radius: 8px;
  background: rgba(255,255,255,0.05); border: 1px solid var(--border);
  color: var(--text-muted); display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem; font-weight: 600; transition: var(--transition);
  text-decoration: none;
}
.social-link:hover { border-color: var(--accent-teal); color: var(--accent-teal); }
.footer-links h4 { font-size: 0.875rem; font-weight: 600; color: var(--text-primary); margin-bottom: 1.25rem; text-transform: uppercase; letter-spacing: 0.08em; }
.footer-links ul { list-style: none; display: flex; flex-direction: column; gap: 0.6rem; }
.footer-links li { color: var(--text-muted); font-size: 0.875rem; }
.footer-links a { color: var(--text-muted); text-decoration: none; transition: var(--transition); }
.footer-links a:hover { color: var(--accent-teal); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 2rem; border-top: 1px solid var(--border);
  color: var(--text-muted); font-size: 0.8rem;
}

/* ===== FLOAT CONTACT ===== */
.float-contact { position: fixed; bottom: 2rem; right: 2rem; z-index: 999; }
.float-btn {
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--accent-blue); color: white;
  border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(30,111,217,0.5);
  transition: var(--transition);
}
.float-btn:hover { transform: scale(1.1); background: #1558b0; }
.float-menu {
  display: none; position: absolute; bottom: 70px; right: 0;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 0.75rem;
  min-width: 180px; box-shadow: var(--shadow);
  flex-direction: column; gap: 0.5rem;
}
.float-menu.show { display: flex; }
.float-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.75rem 1rem; border-radius: 8px;
  color: var(--text-primary); font-size: 0.875rem; font-weight: 500;
  cursor: pointer; transition: var(--transition);
  text-decoration: none; border: none; background: transparent; width: 100%;
}
.whatsapp-float:hover { background: rgba(37,211,102,0.1); color: #25d366; }
.wechat-float:hover { background: rgba(9,188,64,0.1); color: #09bc40; }
.email-float:hover { background: rgba(30,111,217,0.1); color: var(--accent-blue); }

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .nav-links { display: none; flex-direction: column; position: fixed; top: 70px; left: 0; right: 0; background: var(--bg-dark); padding: 1.5rem; border-bottom: 1px solid var(--border); z-index: 999; gap: 0.5rem; }
  .nav-links.open { display: flex; }
  .hamburger { display: flex; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .digital-grid { grid-template-columns: repeat(2, 1fr); }
  .energy-layout { grid-template-columns: 1fr; }
  .fixture-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .cooling-content { grid-template-columns: 1fr; }
  .roi-cards { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .container { padding: 0 1rem; }
  .product-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .digital-grid { grid-template-columns: 1fr; }
  .fixture-grid { grid-template-columns: 1fr; }
  .tech-cards { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: 1rem; }
  .stat-divider { width: 80px; height: 1px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .roi-cards { grid-template-columns: repeat(2, 1fr); }
  .process-steps { flex-direction: column; }
  .process-arrow { transform: rotate(90deg); }
  .qr-popup { left: 0; top: 100%; transform: none; margin-left: 0; margin-top: 0.5rem; }
}

/* ===== ABOUT SECTION ===== */
.about-section { padding: 6rem 0; }
.about-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 3.5rem; align-items: center; margin-bottom: 3rem; }
.about-text p { color: var(--text-secondary); line-height: 1.9; margin-bottom: 1.25rem; }
.about-text strong { color: var(--accent-teal); }
.culture-pills { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 2rem; }
.culture-pill { display: flex; gap: 0.75rem; align-items: flex-start; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 1rem; }
.cp-icon { font-size: 1.5rem; flex-shrink: 0; }
.culture-pill strong { display: block; color: var(--text-primary); font-size: 0.95rem; }
.culture-pill small { color: var(--text-muted); font-size: 0.78rem; line-height: 1.4; }
.about-visual { position: relative; }
.about-visual img { width: 100%; border-radius: var(--radius); border: 1px solid var(--border); display: block; }
.about-badge { position: absolute; bottom: -1rem; right: -1rem; background: var(--accent-blue); color: white; padding: 1rem 1.5rem; border-radius: var(--radius); box-shadow: var(--shadow); display: flex; align-items: center; gap: 0.75rem; }
.ab-num { font-family: 'Rajdhani', sans-serif; font-size: 1.6rem; font-weight: 700; }
.ab-text { font-size: 0.72rem; line-height: 1.3; }
.scope-bar { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 2rem; }
.scope-bar h4 { font-size: 0.85rem; color: var(--accent-teal); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 1rem; }
.scope-bar p { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.7; margin-bottom: 1.25rem; }
.scope-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.scope-tags span { background: rgba(30,111,217,0.08); border: 1px solid rgba(30,111,217,0.2); color: var(--text-secondary); padding: 0.3rem 0.8rem; border-radius: 50px; font-size: 0.78rem; }

/* ===== IMAGE GALLERY ===== */
.gallery-feature { display: grid; grid-template-columns: 1.4fr 1fr; gap: 1rem; margin-bottom: 3rem; }
.gallery-feature.reverse { grid-template-columns: 1fr 1.4fr; }
.gallery-feature.reverse .gallery-main { order: 2; }
.gallery-main img { width: 100%; height: 100%; object-fit: cover; border-radius: var(--radius); border: 1px solid var(--border); cursor: zoom-in; transition: var(--transition); min-height: 320px; max-height: 460px; }
.gallery-main img:hover { border-color: var(--border-hover); }
.gallery-side { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.gallery-side img { width: 100%; height: 100%; object-fit: cover; border-radius: var(--radius-sm); border: 1px solid var(--border); cursor: zoom-in; transition: var(--transition); min-height: 150px; max-height: 222px; }
.gallery-side img:hover { border-color: var(--border-hover); transform: scale(1.02); }

/* ===== DIGITAL SHOWCASE ===== */
.digital-showcase { display: grid; grid-template-columns: 1.5fr 1fr; gap: 1rem; margin-bottom: 3rem; }
.digital-showcase-img { position: relative; }
.digital-showcase-img img { width: 100%; border-radius: var(--radius); border: 1px solid var(--border); cursor: zoom-in; display: block; }
.digital-showcase-grid { display: flex; flex-direction: column; gap: 1rem; }
.ds-item { position: relative; flex: 1; }
.ds-item img { width: 100%; height: 100%; object-fit: cover; border-radius: var(--radius-sm); border: 1px solid var(--border); cursor: zoom-in; min-height: 130px; }
.showcase-cap { position: absolute; bottom: 0; left: 0; right: 0; background: linear-gradient(transparent, rgba(8,13,20,0.92)); color: var(--text-primary); font-size: 0.8rem; padding: 1.5rem 1rem 0.75rem; border-radius: 0 0 var(--radius-sm) var(--radius-sm); pointer-events: none; }

/* ===== FIXTURE TEXT CARDS ===== */
.fixture-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.fixture-card-text { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.75rem; transition: var(--transition); }
.fixture-card-text:hover { border-color: var(--border-hover); transform: translateY(-3px); }
.ft-icon { font-size: 1.75rem; margin-bottom: 0.85rem; }
.fixture-card-text h3 { font-family: 'Rajdhani', sans-serif; font-size: 1.1rem; font-weight: 700; color: var(--text-primary); margin-bottom: 0.6rem; }
.fixture-card-text p { color: var(--text-secondary); font-size: 0.875rem; line-height: 1.7; }

/* ===== MANUFACTURING GALLERY ===== */
.mfg-gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; margin-bottom: 2.5rem; }
.mfg-item { margin: 0; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: var(--transition); }
.mfg-item:hover { border-color: var(--border-hover); transform: translateY(-4px); }
.mfg-item img { width: 100%; height: 220px; object-fit: cover; cursor: zoom-in; display: block; }
.mfg-item figcaption { padding: 0.85rem 1rem; color: var(--text-secondary); font-size: 0.82rem; border-top: 1px solid var(--border); }
.mfg-specs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.mfg-spec { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 1.5rem; text-align: center; }
.ms-num { font-family: 'Rajdhani', sans-serif; font-size: 1.8rem; font-weight: 700; color: var(--accent-teal); line-height: 1; margin-bottom: 0.4rem; }
.ms-label { color: var(--text-muted); font-size: 0.8rem; }

/* ===== ACHIEVEMENTS ===== */
.achievements-section { padding: 6rem 0; background: var(--bg-alt); }
.achieve-table-wrap { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; overflow-x: auto; }
.achieve-table { width: 100%; border-collapse: collapse; }
.achieve-table thead tr { background: rgba(30,111,217,0.15); }
.achieve-table th { padding: 1rem 1.25rem; text-align: left; color: var(--accent-teal); font-size: 0.82rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; white-space: nowrap; }
.achieve-table td { padding: 0.85rem 1.25rem; color: var(--text-secondary); font-size: 0.875rem; border-bottom: 1px solid rgba(255,255,255,0.04); vertical-align: top; }
.achieve-table td:first-child { color: var(--accent-teal); font-weight: 600; white-space: nowrap; }
.achieve-table td:nth-child(2) { color: var(--text-primary); font-weight: 500; white-space: nowrap; }
.achieve-table tbody tr:hover { background: rgba(30,111,217,0.05); }

/* ===== LIGHTBOX ===== */
.lightbox { display: none; position: fixed; inset: 0; z-index: 2000; background: rgba(0,0,0,0.92); backdrop-filter: blur(8px); align-items: center; justify-content: center; cursor: zoom-out; }
.lightbox.show { display: flex; }
.lightbox-img { max-width: 90vw; max-height: 85vh; border-radius: 8px; box-shadow: 0 20px 60px rgba(0,0,0,0.6); }
.lightbox-close { position: absolute; top: 1.5rem; right: 2rem; color: white; font-size: 2.5rem; cursor: pointer; line-height: 1; opacity: 0.8; transition: var(--transition); }
.lightbox-close:hover { opacity: 1; }
.lightbox-cap { position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%); color: var(--text-secondary); font-size: 0.9rem; background: rgba(13,22,32,0.8); padding: 0.5rem 1.25rem; border-radius: 50px; }
.location-icon { background: rgba(255,107,53,0.15); color: var(--accent-orange); }

/* ===== RESPONSIVE ADDITIONS ===== */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; }
  .gallery-feature, .gallery-feature.reverse { grid-template-columns: 1fr; }
  .gallery-feature.reverse .gallery-main { order: 0; }
  .digital-showcase { grid-template-columns: 1fr; }
  .mfg-gallery { grid-template-columns: repeat(2, 1fr); }
  .mfg-specs { grid-template-columns: repeat(2, 1fr); }
  .fixture-grid { grid-template-columns: repeat(2, 1fr); }
  .culture-pills { grid-template-columns: 1fr; }
  .about-badge { position: static; margin-top: 1rem; display: inline-flex; }
}
@media (max-width: 640px) {
  .gallery-side { grid-template-columns: 1fr 1fr; }
  .mfg-gallery { grid-template-columns: 1fr; }
  .fixture-grid { grid-template-columns: 1fr; }
  .scope-tags span { font-size: 0.72rem; }
}

/* ===== MULTI-PAGE COMPONENTS ===== */
/* Nav dropdown */
.nav-dropdown { position: relative; }
.nav-dropdown-menu { display: none; position: absolute; top: 100%; left: 0; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 0.5rem; min-width: 230px; box-shadow: var(--shadow); z-index: 1001; }
.nav-dropdown:hover .nav-dropdown-menu { display: block; }
.nav-dropdown-menu a { display: block; padding: 0.6rem 0.85rem; color: var(--text-secondary); font-size: 0.85rem; border-radius: 6px; transition: var(--transition); text-decoration: none; }
.nav-dropdown-menu a:hover { background: rgba(30,111,217,0.1); color: var(--accent-teal); }

/* Page hero (inner pages) */
.page-hero { background-size: cover; background-position: center; padding: 9rem 2rem 4rem; border-bottom: 1px solid var(--border); position: relative; }
.page-hero-inner { max-width: 820px; }
.page-hero-title { font-family: 'Rajdhani', sans-serif; font-size: clamp(2rem,5vw,3.4rem); font-weight: 700; line-height: 1.15; margin: 0.75rem 0 1rem; color: var(--text-primary); }
.page-hero-sub { color: var(--text-secondary); font-size: 1.05rem; line-height: 1.8; max-width: 720px; }
.page-hero-actions { display: flex; gap: 1rem; margin-top: 2rem; flex-wrap: wrap; }

/* Breadcrumb */
.breadcrumb { background: var(--bg-alt); border-bottom: 1px solid var(--border); padding: 0.75rem 0; font-size: 0.82rem; }
.breadcrumb a { color: var(--text-muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--accent-teal); }
.breadcrumb span { color: var(--text-secondary); }

/* Content section */
.content-section { padding: 4.5rem 0; }
.content-section.section-alt { background: var(--bg-alt); }
.prose { max-width: 860px; }
.prose .lead { font-size: 1.15rem; color: var(--text-primary); line-height: 1.8; margin-bottom: 1.25rem; }
.prose p { color: var(--text-secondary); line-height: 1.85; margin-bottom: 1.1rem; }
.prose strong { color: var(--accent-teal); }

/* Split blocks */
.split-list { display: flex; flex-direction: column; gap: 2.5rem; }
.split-block { display: grid; grid-template-columns: 1fr 1.1fr; gap: 2.5rem; align-items: center; }
.split-block.reverse .split-img { order: 2; }
.split-img img { width: 100%; border-radius: var(--radius); border: 1px solid var(--border); cursor: zoom-in; transition: var(--transition); display: block; max-height: 340px; object-fit: cover; }
.split-img img:hover { border-color: var(--border-hover); }
.split-text h3 { font-family: 'Rajdhani', sans-serif; font-size: 1.5rem; font-weight: 700; color: var(--text-primary); margin-bottom: 1rem; }
.split-text p { color: var(--text-secondary); line-height: 1.8; margin-bottom: 1rem; }
.split-text .spec-list li { padding: 0.4rem 0; }

/* Mini grid cards */
.mini-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; }
.mini-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.6rem; transition: var(--transition); }
.mini-card:hover { border-color: var(--border-hover); transform: translateY(-3px); }
.mini-card h4 { font-family: 'Rajdhani', sans-serif; font-size: 1.1rem; font-weight: 700; color: var(--text-primary); margin-bottom: 0.6rem; }
.mini-card p { color: var(--text-secondary); font-size: 0.875rem; line-height: 1.7; }

/* Layer stack (digital factory) */
.layer-stack { display: flex; flex-direction: column; gap: 0.75rem; margin-top: 2rem; }
.layer-row { display: flex; gap: 1.25rem; align-items: center; background: var(--bg-card); border: 1px solid var(--border); border-left: 3px solid var(--accent-blue); border-radius: var(--radius-sm); padding: 1.1rem 1.5rem; transition: var(--transition); }
.layer-row:hover { border-left-color: var(--accent-teal); transform: translateX(4px); }
.layer-num { font-family: 'Rajdhani', sans-serif; font-size: 1.6rem; font-weight: 700; color: var(--accent-teal); min-width: 40px; }
.layer-body h4 { font-size: 1rem; color: var(--text-primary); margin-bottom: 0.25rem; }
.layer-body p { color: var(--text-secondary); font-size: 0.85rem; line-height: 1.5; }

/* CTA strip */
.cta-strip { padding: 3.5rem 0; background: linear-gradient(135deg, rgba(30,111,217,0.12), rgba(0,212,170,0.08)); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.cta-inner h2 { font-family: 'Rajdhani', sans-serif; font-size: 1.6rem; color: var(--text-primary); margin-bottom: 0.4rem; }
.cta-inner p { color: var(--text-secondary); }

/* QR float popup positioning */
.qr-float { position: absolute; bottom: 70px; right: 70px; display: none; }
.qr-float.show { display: block; }

/* Responsive */
@media (max-width: 1024px) {
  .nav-dropdown-menu { position: static; display: none; box-shadow: none; border: none; padding-left: 1rem; }
  .nav-dropdown:hover .nav-dropdown-menu { display: none; }
  .nav-dropdown.open .nav-dropdown-menu { display: block; }
  .split-block, .split-block.reverse { grid-template-columns: 1fr; }
  .split-block.reverse .split-img { order: 0; }
  .mini-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 640px) {
  .mini-grid { grid-template-columns: 1fr; }
  .page-hero { padding: 7rem 1rem 3rem; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
}

/* ===== BILINGUAL SUPPORT ===== */
body.lang-zh, body.lang-zh .nav-link, body.lang-zh .section-title, body.lang-zh .page-hero-title,
body.lang-zh h1, body.lang-zh h2, body.lang-zh h3, body.lang-zh h4, body.lang-zh p, body.lang-zh li,
body.lang-zh td, body.lang-zh th, body.lang-zh .mini-card, body.lang-zh .hero-desc {
  font-family: 'Noto Sans SC', 'Inter', -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
}
body.lang-zh .logo-text, body.lang-zh .stat-num, body.lang-zh .roi-num, body.lang-zh .ms-num,
body.lang-zh .card-number, body.lang-zh .step-num, body.lang-zh .layer-num {
  font-family: 'Rajdhani', sans-serif;
}
/* Language switch buttons */
.nav-lang { display: flex; gap: 0.25rem; align-items: center; }
.nav-lang .lang-btn {
  background: transparent; border: 1px solid var(--border);
  color: var(--text-muted); padding: 0.3rem 0.6rem;
  border-radius: 4px; font-size: 0.8rem; cursor: pointer;
  transition: var(--transition); text-decoration: none; line-height: 1;
}
.nav-lang .lang-btn:hover { border-color: var(--accent-teal); color: var(--accent-teal); }
.nav-lang .lang-btn.active { border-color: var(--accent-teal); color: var(--accent-teal); background: rgba(0,212,170,0.08); }
@media (max-width: 1024px) {
  .nav-lang { position: absolute; top: 1.4rem; right: 4rem; }
}

/* ===== GLOBE LANGUAGE DROPDOWN ===== */
.nav-right { display: flex; align-items: center; gap: 1rem; }
.lang-dropdown { position: relative; }
.lang-globe {
  display: flex; align-items: center; gap: 0.4rem;
  background: transparent; border: 1px solid var(--border);
  color: var(--text-secondary); padding: 0.4rem 0.7rem;
  border-radius: 6px; font-size: 0.82rem; cursor: pointer;
  transition: var(--transition); font-family: inherit;
}
.lang-globe:hover { border-color: var(--accent-teal); color: var(--accent-teal); }
.globe-ico { font-size: 1rem; line-height: 1; }
.lang-caret { font-size: 0.6rem; opacity: 0.7; }
.lang-menu {
  display: none; position: absolute; top: calc(100% + 6px); right: 0;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 8px; padding: 0.4rem; min-width: 140px;
  box-shadow: var(--shadow); z-index: 1002;
}
.lang-menu.show { display: block; }
.lang-menu a {
  display: block; padding: 0.55rem 0.85rem; border-radius: 6px;
  color: var(--text-secondary); font-size: 0.85rem; text-decoration: none;
  transition: var(--transition);
}
.lang-menu a:hover { background: rgba(30,111,217,0.1); color: var(--accent-teal); }
.lang-menu a.active { color: var(--accent-teal); background: rgba(0,212,170,0.08); }

/* ===== IMAGE PRODUCT CARDS (homepage) ===== */
.product-grid-img {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem;
}
.product-card-img {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden; text-decoration: none;
  color: inherit; transition: var(--transition); display: flex; flex-direction: column;
}
.product-card-img:hover { border-color: var(--border-hover); transform: translateY(-5px); box-shadow: var(--shadow-glow); }
.pci-img { position: relative; aspect-ratio: 16/10; overflow: hidden; background: var(--bg-alt); }
.pci-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.product-card-img:hover .pci-img img { transform: scale(1.06); }
.pci-num {
  position: absolute; top: 0.75rem; left: 0.75rem;
  font-family: 'Rajdhani', sans-serif; font-size: 1rem; font-weight: 700;
  background: rgba(8,13,20,0.7); color: var(--accent-teal);
  width: 32px; height: 32px; display: flex; align-items: center; justify-content: center;
  border-radius: 6px; backdrop-filter: blur(4px);
}
.pci-body { padding: 1.25rem; flex: 1; display: flex; flex-direction: column; }
.pci-body h3 { font-family: 'Rajdhani', sans-serif; font-size: 1.15rem; font-weight: 700; color: var(--text-primary); margin-bottom: 0.5rem; }
.pci-body p { color: var(--text-secondary); font-size: 0.85rem; line-height: 1.6; flex: 1; }
.pci-body .card-arrow { margin-top: 0.85rem; color: var(--accent-teal); font-size: 1.1rem; }

/* ===== LAYER BADGE (digital factory) ===== */
.layer-badge {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: 'Rajdhani', sans-serif; font-size: 1.1rem; font-weight: 700;
  background: rgba(30,111,217,0.15); color: var(--accent-teal);
  width: 44px; height: 44px; border-radius: 8px; margin-bottom: 0.75rem;
}

/* ===== NEWS GRID ===== */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.news-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden; transition: var(--transition);
  display: flex; flex-direction: column;
}
.news-card:hover { border-color: var(--border-hover); transform: translateY(-4px); box-shadow: var(--shadow-glow); }
.news-img { position: relative; aspect-ratio: 16/9; overflow: hidden; background: var(--bg-alt); }
.news-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.news-card:hover .news-img img { transform: scale(1.05); }
.news-cat {
  position: absolute; top: 0.75rem; left: 0.75rem;
  background: var(--accent-blue); color: #fff; font-size: 0.72rem; font-weight: 600;
  padding: 0.25rem 0.7rem; border-radius: 50px;
}
.news-body { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; }
.news-date { color: var(--accent-teal); font-size: 0.78rem; font-weight: 600; margin-bottom: 0.5rem; letter-spacing: 0.05em; }
.news-body h3 { font-family: 'Rajdhani', sans-serif; font-size: 1.15rem; font-weight: 700; color: var(--text-primary); margin-bottom: 0.6rem; line-height: 1.3; }
.news-body p { color: var(--text-secondary); font-size: 0.85rem; line-height: 1.65; flex: 1; }
.news-link { margin-top: 1rem; color: var(--accent-teal); font-size: 0.85rem; font-weight: 600; text-decoration: none; }
.news-link:hover { color: var(--accent-blue); }

/* responsive */
@media (max-width: 1024px) {
  .product-grid-img { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-right { gap: 0.5rem; }
}
@media (max-width: 640px) {
  .product-grid-img { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
}

/* ===== LOGO IMAGE ===== */
.logo-icon-img { height: 38px; width: auto; display: block; object-fit: contain; }
.footer-brand .logo-icon-img { height: 34px; }
.nav-logo { display: flex; align-items: center; gap: 0.6rem; }
@media (max-width: 640px){ .logo-icon-img { height: 32px; } }

/* ===== NEWS DETAIL ===== */
.news-detail-hero { background-size: cover; background-position: center; }
.nd-meta { display: flex; align-items: center; gap: 1rem; margin-bottom: 1rem; }
.nd-meta .news-cat { position: static; }
.nd-date { color: var(--text-secondary); font-size: 0.85rem; }
.news-article { max-width: 860px; }
.nd-hero-img { width: 100%; border-radius: var(--radius); border: 1px solid var(--border); margin-bottom: 2rem; object-fit: cover; max-height: 460px; }
.nd-body { font-size: 1.02rem; }
.nd-body p { margin-bottom: 1.2rem; line-height: 1.9; color: var(--text-secondary); }
.nd-body strong { color: var(--accent-teal); }
.nd-nav { display: flex; justify-content: space-between; gap: 1rem; margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--border); }
.nd-nav-btn { color: var(--text-secondary); text-decoration: none; font-size: 0.9rem; max-width: 45%; transition: var(--transition); }
.nd-nav-btn:hover { color: var(--accent-teal); }
.nd-next { text-align: right; margin-left: auto; }
.news-img-link { display: block; }
.news-body h3 a { color: inherit; text-decoration: none; }
.news-body h3 a:hover { color: var(--accent-teal); }