/* ============================================
   KERNS MANUFACTURING CORP — Main Stylesheet
   Precision Aerospace Manufacturing Since 1950
   ============================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@400;500;600;700;800&family=Inter:wght@400;500;600&display=swap');

/* ---- CSS Variables ---- */
:root {
  --bg-deep:    #0A0B0D;
  --bg-primary: #0F1114;
  --bg-card:    #161A1E;
  --bg-surface: #1C2126;
  --border:     #2A3038;
  --border-glow:#3D4850;
  --accent:     #FF6B2B;
  --accent-glow:rgba(255,107,43,0.15);
  --accent-dim: #CC4E18;
  --blue:       #4A90A4;
  --blue-glow:  rgba(74,144,164,0.2);
  --green:      #00C896;
  --text:       #E8E8E8;
  --text-muted: #8A9299;
  --text-dim:   #555F66;
  --white:      #FFFFFF;
  --font-head:  'Barlow Condensed', 'Arial Narrow', sans-serif;
  --font-body:  'Inter', system-ui, sans-serif;
  --radius:     6px;
  --radius-lg:  12px;
  --shadow:     0 4px 24px rgba(0,0,0,0.6);
  --shadow-glow:0 0 40px rgba(255,107,43,0.1);
  --container:  1200px;
  --section-py: 100px;
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg-primary);
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: #33CCFF; }
ul { list-style: none; }
h1,h2,h3,h4,h5 {
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: 0.02em;
  color: var(--white);
}

/* ---- Layout Utilities ---- */
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: var(--section-py) 0; }
.section-sm { padding: 60px 0; }

.section-label {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
  padding: 4px 10px;
  border: 1px solid rgba(0,184,230,0.35);
  border-radius: 3px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 580px;
  line-height: 1.7;
}

.text-accent { color: var(--accent); }
.text-muted { color: var(--text-muted); }
.text-center { text-align: center; }
.text-center .section-sub { margin-left: auto; margin-right: auto; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: all 0.25s;
  cursor: pointer;
  border: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: var(--bg-deep);
}
.btn-primary:hover {
  background: #33CCFF;
  color: var(--bg-deep);
  box-shadow: 0 0 24px rgba(0,184,230,0.5);
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1.5px solid var(--accent);
}
.btn-outline:hover {
  background: var(--accent-glow);
  border-color: #33CCFF;
  color: #33CCFF;
  transform: translateY(-2px);
}
.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.btn-ghost:hover { color: var(--white); border-color: var(--border-glow); }

/* ---- Divider ---- */
.divider {
  width: 48px;
  height: 3px;
  background: var(--accent);
  margin-bottom: 32px;
}
.divider-center { margin-left: auto; margin-right: auto; }

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(6,8,15,0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}
.navbar.scrolled { background: rgba(6,8,15,0.98); }

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  padding: 0 24px;
  max-width: var(--container);
  margin: 0 auto;
}

.nav-brand {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  text-decoration: none;
}
.nav-brand .brand-name {
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  color: var(--white);
}
.nav-brand .brand-sub {
  font-family: var(--font-head);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links > li { position: relative; }
.nav-links > li > a {
  display: block;
  padding: 8px 14px;
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
  border-radius: 4px;
}
.nav-links > li > a:hover,
.nav-links > li > a.active { color: var(--white); }

/* Dropdown */
.nav-links .has-dropdown > a::after {
  content: ' ▾';
  font-size: 0.7em;
  opacity: 0.7;
}
.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 320px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-6px);
  transition: opacity 0.2s, transform 0.2s;
  z-index: 100;
}
.has-dropdown:hover .nav-dropdown,
.has-dropdown.dropdown-open .nav-dropdown {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}
.nav-dropdown a {
  display: block;
  padding: 10px 18px;
  font-size: 0.875rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: all 0.15s;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.nav-dropdown a:last-child { border-bottom: none; }
.nav-dropdown a:hover {
  color: var(--accent);
  background: var(--accent-glow);
  padding-left: 24px;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-muted);
  border-radius: 2px;
  transition: all 0.3s;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: 72px; left: 0; right: 0;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  z-index: 999;
  padding: 16px 0;
  max-height: calc(100vh - 72px);
  overflow-y: auto;
}
.mobile-nav.open { display: block; }
.mobile-nav a {
  display: block;
  padding: 12px 24px;
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.mobile-nav a:hover { color: var(--accent); background: var(--accent-glow); }
.mobile-nav .mobile-section-title {
  display: block;
  padding: 8px 24px 4px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
}
.mobile-nav a.indent { padding-left: 40px; font-size: 0.875rem; }

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 72px;
  overflow: hidden;
  background: var(--bg-deep);
}

/* Blueprint grid background */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,184,230,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,184,230,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-jet {
  position: absolute;
  right: -40px;
  top: 50%;
  transform: translateY(-50%);
  width: 700px;
  pointer-events: none;
  mix-blend-mode: screen;
  opacity: 0.55;
  -webkit-mask-image: linear-gradient(to right, transparent 0%, rgba(0,0,0,0.7) 25%, rgba(0,0,0,1) 60%, transparent 100%);
  mask-image: linear-gradient(to right, transparent 0%, rgba(0,0,0,0.7) 25%, rgba(0,0,0,1) 60%, transparent 100%);
}
.hero-jet img { display: block; width: 100%; height: auto; }

@media (max-width: 1024px) { .hero-jet { width: 540px; } }
@media (max-width: 768px)  { .hero-jet { display: none; } }

.hero-glow {
  position: absolute;
  top: -200px;
  right: -200px;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(0,184,230,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--container);
  margin: 0 auto;
  padding: 60px 24px;
  width: 100%;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}
.hero-eyebrow-line {
  width: 40px;
  height: 1px;
  background: var(--accent);
}
.hero-eyebrow-text {
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero-title {
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  text-transform: uppercase;
  line-height: 1.05;
  margin-bottom: 24px;
  max-width: 800px;
}
.hero-title span { color: var(--accent); }

.hero-sub {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 560px;
  line-height: 1.8;
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

/* Cert strip */
.cert-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.cert-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  text-transform: uppercase;
}
.cert-badge svg { color: var(--accent); flex-shrink: 0; }

/* ============================================
   STATS BAR
   ============================================ */
.stats-bar {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 28px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  text-align: center;
}
.stat-item {
  padding: 12px 24px;
  border-right: 1px solid var(--border);
}
.stat-item:last-child { border-right: none; }
.stat-num {
  font-family: var(--font-head);
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  display: block;
}
.stat-label {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ============================================
   PRODUCT CATEGORIES
   ============================================ */
.products-section { background: var(--bg-primary); }
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.product-card {
  display: block;
  background: var(--bg-card);
  padding: 32px 28px;
  text-decoration: none;
  transition: all 0.25s;
  position: relative;
  overflow: hidden;
}
.product-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px;
  height: 0;
  background: var(--accent);
  transition: height 0.3s;
}
.product-card:hover::before { height: 100%; }
.product-card:hover {
  background: var(--bg-surface);
  transform: none;
}

.product-card-num {
  font-family: var(--font-head);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.product-card-icon {
  width: 48px;
  height: 48px;
  background: rgba(0,184,230,0.1);
  border: 1px solid rgba(0,184,230,0.2);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: all 0.25s;
}
.product-card:hover .product-card-icon {
  background: rgba(0,184,230,0.2);
  border-color: var(--accent);
}
.product-card-icon svg { color: var(--accent); }
.product-card-title {
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--white);
  margin-bottom: 10px;
  line-height: 1.3;
  transition: color 0.2s;
}
.product-card:hover .product-card-title { color: var(--accent); }
.product-card-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
}
.product-card-parts {
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ============================================
   PROCESSES SECTION
   ============================================ */
.processes-section { background: var(--bg-deep); }
.processes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.process-card {
  background: var(--bg-card);
  padding: 28px 24px;
  transition: background 0.2s;
}
.process-card:hover { background: var(--bg-surface); }
.process-card-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 12px;
}
.process-icon {
  width: 40px;
  height: 40px;
  background: rgba(0,184,230,0.08);
  border: 1px solid rgba(0,184,230,0.15);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.process-icon svg { color: var(--accent); }
.process-name {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--white);
  line-height: 1.3;
}
.process-detail {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}
.process-spec {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 10px;
  padding: 3px 8px;
  background: rgba(0,184,230,0.06);
  border: 1px solid rgba(0,184,230,0.15);
  border-radius: 3px;
  font-size: 0.75rem;
  font-family: var(--font-head);
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--accent);
  text-transform: uppercase;
}

/* ============================================
   ENGINE PROGRAMS
   ============================================ */
.engines-section { background: var(--bg-primary); }
.engines-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.engines-col {
  background: var(--bg-card);
  padding: 36px 32px;
}
.engines-col-title {
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.engines-col-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}
.engine-item {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  align-items: flex-start;
}
.engine-item:last-child { border-bottom: none; }
.engine-name-block { flex: 1; }
.engine-name {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--white);
}
.engine-aircraft {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ============================================
   CERTIFICATIONS
   ============================================ */
.certs-section { background: var(--bg-deep); }
.certs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}
.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s;
}
.cert-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--blue));
}
.cert-card:hover { border-color: var(--border-glow); }
.cert-card-icon {
  font-family: var(--font-head);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(0,184,230,0.08);
  border: 1px solid rgba(0,184,230,0.2);
  border-radius: 4px;
  padding: 4px 10px;
  display: inline-block;
  margin-bottom: 16px;
}
.cert-card-title {
  font-family: var(--font-head);
  font-size: 1.3rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 10px;
  letter-spacing: 0.05em;
}
.cert-card-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* GE Category 1 highlight */
.cert-ge-banner {
  display: flex;
  align-items: center;
  gap: 24px;
  background: linear-gradient(135deg, rgba(0,184,230,0.08) 0%, rgba(37,99,235,0.08) 100%);
  border: 1px solid rgba(0,184,230,0.2);
  border-radius: var(--radius-lg);
  padding: 32px 40px;
}
.cert-ge-icon {
  width: 60px;
  height: 60px;
  background: rgba(0,184,230,0.12);
  border: 1px solid rgba(0,184,230,0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.cert-ge-icon svg { color: var(--accent); }
.cert-ge-title {
  font-family: var(--font-head);
  font-size: 1.4rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 6px;
}
.cert-ge-desc { font-size: 0.9rem; color: var(--text-muted); line-height: 1.6; }

/* ============================================
   CONTACT CTA
   ============================================ */
.cta-section {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,184,230,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,184,230,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
}
.cta-inner {
  position: relative;
  z-index: 1;
  text-align: center;
}
.cta-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.cta-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
}
.cta-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ============================================
   FOOTER
   ============================================ */
footer {
  background: var(--bg-deep);
  border-top: 1px solid var(--border);
  padding: 60px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand .brand-name {
  font-family: var(--font-head);
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  color: var(--white);
}
.footer-brand .brand-sub {
  font-family: var(--font-head);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 16px;
}
.footer-brand p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}
.footer-certs {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.footer-cert-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  color: var(--text-dim);
}
.footer-cert-item::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}
.footer-col h5 {
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  font-size: 0.875rem;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-col ul li a:hover { color: var(--accent); }
.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* ============================================
   PRODUCT PAGES (products/*.html)
   ============================================ */
.page-hero {
  padding: 140px 0 60px;
  background: var(--bg-deep);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,184,230,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,184,230,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
}
.page-hero-inner { position: relative; z-index: 1; }
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--text-dim); text-decoration: none; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb-sep { color: var(--text-dim); }

.page-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.page-sub {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 640px;
  line-height: 1.7;
}

/* Parts Gallery Grid */
.parts-section { background: var(--bg-primary); padding: var(--section-py) 0; }
.parts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.part-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.part-card:hover {
  border-color: var(--border-glow);
  box-shadow: 0 4px 32px rgba(0,184,230,0.08);
}
.part-img-placeholder {
  aspect-ratio: 4/3;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.part-img-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.9;
  transition: opacity 0.3s, transform 0.3s;
}
.part-card:hover .part-img-placeholder img {
  opacity: 1;
  transform: scale(1.03);
}
.part-img-placeholder .no-img {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-dim);
  font-size: 0.8rem;
}
.part-img-placeholder .no-img svg { opacity: 0.3; }
.part-body { padding: 20px; }
.part-name {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--white);
  margin-bottom: 16px;
}
.part-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.part-spec-item { }
.part-spec-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 2px;
}
.part-spec-value {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.4;
}
.part-spec-item.full { grid-column: 1 / -1; }

/* Process tags */
.part-processes {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}
.process-tag {
  padding: 2px 8px;
  background: rgba(0,184,230,0.06);
  border: 1px solid rgba(0,184,230,0.12);
  border-radius: 3px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
}

/* ============================================
   ABOUT PAGE
   ============================================ */
.about-story { background: var(--bg-primary); }
.about-grid {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 60px;
  align-items: start;
}
.about-body p {
  font-size: 1.025rem;
  color: var(--text-muted);
  line-height: 1.85;
  margin-bottom: 20px;
}
.about-body p:first-child { font-size: 1.1rem; color: var(--text); }

.about-aside { display: flex; flex-direction: column; gap: 20px; }
.aside-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.aside-card-title {
  font-family: var(--font-head);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.aside-card-list li {
  font-size: 0.875rem;
  color: var(--text-muted);
  padding: 6px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.aside-card-list li:last-child { border-bottom: none; }
.aside-card-list li::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  margin-top: 7px;
}

/* ============================================
   PROCESSES PAGE
   ============================================ */
.process-detail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.process-detail-row {
  display: grid;
  grid-template-columns: 280px 1fr;
  background: var(--bg-card);
  transition: background 0.2s;
}
.process-detail-row--photo {
  grid-template-columns: 280px 1fr 260px;
}
.process-detail-photo {
  overflow: hidden;
  border-left: 1px solid var(--border);
}
.process-detail-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: 0.85;
  transition: opacity 0.3s;
}
.process-detail-row--photo:hover .process-detail-photo img { opacity: 1; }
.process-detail-row:hover { background: var(--bg-surface); }
.process-detail-head {
  padding: 28px 28px;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}
.process-detail-num {
  font-family: var(--font-head);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.process-detail-name {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--white);
  line-height: 1.3;
}
.process-detail-body {
  padding: 28px 32px;
}
.process-detail-desc {
  font-size: 0.925rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 12px;
}
.process-specs-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ============================================
   CONTACT PAGE
   ============================================ */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.contact-form-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.form-title {
  font-family: var(--font-head);
  font-size: 1.6rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 28px;
}
.form-group {
  margin-bottom: 20px;
}
.form-label {
  display: block;
  font-family: var(--font-head);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 11px 14px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s;
  -webkit-appearance: none;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus { border-color: var(--accent); }
.form-select { cursor: pointer; }
.form-textarea { resize: vertical; min-height: 120px; }
.form-input::placeholder,
.form-textarea::placeholder { color: var(--text-dim); }

.contact-info { }
.contact-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 20px;
}
.contact-info-title {
  font-family: var(--font-head);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.contact-detail:last-child { border-bottom: none; }
.contact-detail svg { color: var(--accent); flex-shrink: 0; margin-top: 2px; }
.contact-detail-content p { font-size: 0.9rem; color: var(--text-muted); }
.contact-detail-content strong { display: block; font-size: 0.8rem; color: var(--text-dim); letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 2px; }

/* Directions Tabs */
.directions-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}
.dir-tab {
  padding: 8px 16px;
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
}
.dir-tab.active,
.dir-tab:hover {
  background: var(--accent-glow);
  border-color: var(--accent);
  color: var(--accent);
}
.dir-panel { display: none; }
.dir-panel.active { display: block; }

.map-frame {
  width: 100%;
  height: 300px;
  border: none;
  border-radius: var(--radius);
  display: block;
  margin-bottom: 16px;
  filter: grayscale(30%) contrast(1.1);
}
.dir-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  background: var(--accent);
  color: var(--bg-deep);
  border-radius: var(--radius);
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  transition: all 0.2s;
}
.dir-link-btn:hover {
  background: #33CCFF;
  color: var(--bg-deep);
  box-shadow: 0 0 16px rgba(0,184,230,0.4);
}

/* Hotels */
.hotels-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 40px;
}
.hotel-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  gap: 14px;
}
.hotel-marker {
  width: 32px;
  height: 32px;
  background: var(--accent);
  color: var(--bg-deep);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 800;
  flex-shrink: 0;
}
.hotel-name {
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 4px;
}
.hotel-addr { font-size: 0.8rem; color: var(--text-dim); line-height: 1.5; }
.hotel-phone { font-size: 0.8rem; color: var(--accent); margin-top: 4px; }

/* ============================================
   CHATBOT WIDGET
   ============================================ */
.chatbot-toggle {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 56px;
  height: 56px;
  background: var(--accent);
  border-radius: 50%;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(0,184,230,0.4);
  z-index: 9990;
  transition: transform 0.2s, box-shadow 0.2s;
}
.chatbot-toggle:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 28px rgba(0,184,230,0.6);
}
.chatbot-toggle svg { color: var(--bg-deep); transition: opacity 0.2s; }
.chatbot-toggle .icon-close { display: none; }
.chatbot-toggle.open .icon-chat { display: none; }
.chatbot-toggle.open .icon-close { display: block; }

.chatbot-panel {
  position: fixed;
  bottom: 96px;
  right: 28px;
  width: 360px;
  max-height: 520px;
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 48px rgba(0,0,0,0.6);
  z-index: 9989;
  display: flex;
  flex-direction: column;
  transform-origin: bottom right;
  transform: scale(0.9);
  opacity: 0;
  pointer-events: none;
  transition: all 0.2s;
}
.chatbot-panel.open {
  transform: scale(1);
  opacity: 1;
  pointer-events: all;
}
.chat-header {
  padding: 16px 18px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  display: flex;
  align-items: center;
  gap: 10px;
}
.chat-header-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 6px var(--green);
}
.chat-header-title {
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--white);
  flex: 1;
}
.chat-header-sub {
  font-size: 0.72rem;
  color: var(--text-dim);
}
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.chat-messages::-webkit-scrollbar { width: 4px; }
.chat-messages::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }
.chat-bubble {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 0.875rem;
  line-height: 1.5;
}
.chat-bubble.bot {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
  align-self: flex-start;
  border-radius: 10px 10px 10px 2px;
}
.chat-bubble.user {
  background: var(--accent);
  color: var(--bg-deep);
  align-self: flex-end;
  border-radius: 10px 10px 2px 10px;
  font-weight: 500;
}
.quick-replies {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 0 16px 12px;
}
.quick-reply {
  padding: 5px 12px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 0.78rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s;
}
.quick-reply:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}
.chat-input-row {
  padding: 12px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 8px;
}
.chat-input {
  flex: 1;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 9px 12px;
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s;
}
.chat-input:focus { border-color: var(--accent); }
.chat-input::placeholder { color: var(--text-dim); }
.chat-send {
  width: 36px;
  height: 36px;
  background: var(--accent);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
  flex-shrink: 0;
}
.chat-send:hover { background: #33CCFF; }
.chat-send svg { color: var(--bg-deep); }

/* ============================================
   ANIMATIONS
   ============================================ */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-up-delay-1 { transition-delay: 0.1s; }
.fade-up-delay-2 { transition-delay: 0.2s; }
.fade-up-delay-3 { transition-delay: 0.3s; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  :root { --section-py: 72px; }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .processes-grid { grid-template-columns: repeat(2, 1fr); }
  .certs-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .about-grid { grid-template-columns: 1fr; }
  .about-aside { grid-row: 1; }
  .contact-layout { grid-template-columns: 1fr; }
  .process-detail-row { grid-template-columns: 200px 1fr; }
  .process-detail-row--photo { grid-template-columns: 200px 1fr; }
  .process-detail-photo { display: none; }
  .parts-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root { --section-py: 56px; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item { border-right: none; border-bottom: 1px solid var(--border); }
  .stat-item:nth-child(even) { }
  .stat-item:last-child { border-bottom: none; }
  .products-grid { grid-template-columns: 1fr; }
  .processes-grid { grid-template-columns: 1fr; }
  .engines-split { grid-template-columns: 1fr; }
  .certs-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .cert-ge-banner { flex-direction: column; text-align: center; padding: 28px 24px; }
  .process-detail-row { grid-template-columns: 1fr; }
  .process-detail-head { border-right: none; border-bottom: 1px solid var(--border); }
  .parts-grid { grid-template-columns: 1fr; }
  .hotels-grid { grid-template-columns: 1fr; }
  .chatbot-panel { width: calc(100vw - 40px); right: 20px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
}

@media (max-width: 480px) {
  .stat-item { border-right: none; }
  .cert-strip { flex-direction: column; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .part-specs { grid-template-columns: 1fr; }
}