/* ============================================================
   SEMIVAC DESIGN SYSTEM — AI/TECH DARK THEME
   ============================================================ */

:root {
  --space-900: #0A0E17;
  --space-850: #0D111A;
  --space-800: #111620;
  --space-750: #151B26;
  --space-700: #1A1F2E;
  --space-600: #242B3D;
  --electric-500: #3B82F6;
  --electric-400: #60A5FA;
  --electric-300: #93BBFD;
  --electric-600: #2563EB;
  --cyan-500: #06B6D4;
  --cyan-400: #22D3EE;
  --cyan-600: #0891B2;
  --indigo-500: #6366F1;
  --indigo-400: #818CF8;
  --light-bg: #0A0E17;
  --light-alt: #111620;
  --light-section: #1A1F2E;
  --light-text: #FFFFFF;
  --light-text-secondary: #CBD5E1;
  --light-text-muted: #64748B;
  --text: #FFFFFF;
  --text-secondary: #CBD5E1;
  --text-muted: #64748B;
  --success: #10B981;
  --warning: #F59E0B;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', 'Consolas', monospace;
  --section-py: clamp(4rem, 8vw, 7rem);
  --container-max: 1200px;
  --card-gap: 1.5rem;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-pill: 9999px;
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 150ms var(--ease-smooth);
  --transition-base: 300ms var(--ease-smooth);
  --transition-slow: 500ms var(--ease-smooth);
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  line-height: 1.7;
  color: var(--text);
  background: var(--space-900);
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--electric-400); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--cyan-400); }
::selection { background: var(--electric-500); color: white; }

/* Utility */
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 clamp(1rem, 4vw, 2rem); }
.section { padding: var(--section-py) 0; }
.section-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--electric-400);
  margin-bottom: 0.75rem;
}
.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  line-height: 1.2;
  margin-bottom: 1rem;
}
.section-subtitle {
  color: var(--text-secondary);
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  max-width: 36rem;
}
.section-header-inline {
  display: flex; align-items: flex-end; justify-content: space-between;
  flex-wrap: wrap; gap: 1rem;
}
.section-cta { text-align: center; margin-top: 2.5rem; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-weight: 500;
  font-family: var(--font-sans);
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all var(--transition-base);
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--electric-500), var(--cyan-500));
  color: white !important;
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.2);
}
.btn-primary:hover {
  box-shadow: 0 0 36px rgba(59, 130, 246, 0.35);
  transform: translateY(-1px);
  color: white !important;
}
.btn-outline {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--text) !important;
}
.btn-outline:hover {
  border-color: rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.04);
}
.btn-outline-light {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--text) !important;
}
.btn-outline-light:hover { border-color: var(--electric-400); color: var(--electric-400) !important; }

/* Navigation */
.site-header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000; height: 72px;
  background: rgba(10, 14, 23, 0.82);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: all var(--transition-base);
}
.site-header.scrolled {
  background: rgba(10, 14, 23, 0.95);
  border-bottom-color: rgba(255, 255, 255, 0.1);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto; padding: 0 clamp(1rem, 4vw, 2rem);
}
.logo img { height: 36px; width: auto; }

.main-nav { display: flex; align-items: center; gap: 0.25rem; }
.main-nav .nav-link {
  display: flex; align-items: center; gap: 0.25rem;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem; font-weight: 400;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  white-space: nowrap;
}
.main-nav .nav-link:hover,
.main-nav .nav-link.active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}
.nav-cta {
  background: linear-gradient(135deg, var(--electric-500), var(--cyan-500)) !important;
  color: white !important;
  font-weight: 500 !important;
  padding: 0.5rem 1.25rem !important;
  margin-left: 0.5rem;
}
.nav-cta:hover {
  box-shadow: 0 0 24px rgba(59, 130, 246, 0.3);
  background: linear-gradient(135deg, var(--electric-400), var(--cyan-400)) !important;
}

/* Dropdown */
.nav-dropdown { position: relative; }
.nav-dropdown-menu {
  display: none; position: absolute; top: 100%; left: 0;
  min-width: 200px; padding: 0.5rem;
  background: rgba(17, 22, 32, 0.98);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}
.nav-dropdown:hover .nav-dropdown-menu { display: block; }
.nav-dropdown-menu a {
  display: block; padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem; color: var(--text-secondary);
}
.nav-dropdown-menu a:hover { background: rgba(255,255,255,0.06); color: var(--text); }

.menu-toggle {
  display: none;
  background: none; border: none; color: var(--text);
  font-size: 1.5rem; cursor: pointer; padding: 0.5rem;
}

/* Language Switcher */
.lang-switch {
  display: inline-flex; align-items: center;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-pill);
  font-size: 0.75rem; font-weight: 600;
  color: var(--text-secondary);
  border: 1px solid rgba(255,255,255,0.12);
  transition: all var(--transition-fast);
  margin-left: 0.5rem;
  text-decoration: none;
  white-space: nowrap;
}
.lang-switch:hover {
  color: var(--text);
  border-color: var(--electric-500);
  background: rgba(59,130,246,0.08);
}

/* Mobile Nav */
.mobile-nav {
  display: none;
  position: fixed; top: 72px; left: 0; right: 0; bottom: 0;
  background: var(--space-900);
  z-index: 999; padding: 1.5rem;
  flex-direction: column; gap: 0.25rem;
  overflow-y: auto;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  display: block; padding: 0.875rem 1rem;
  color: var(--text-secondary);
  font-size: 1.125rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}
.mobile-nav a:hover { background: rgba(255,255,255,0.05); color: var(--text); }
.mobile-nav .mobile-cta { text-align: center; margin: 0.5rem 0; }
.mobile-nav-group { margin-bottom: 0.5rem; }
.mobile-nav-parent { display: block; padding: 0.875rem 1rem; color: var(--text-muted); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.1em; }

/* Hero */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  padding-top: 72px; overflow: hidden;
  background: var(--space-900);
}
.hero::before {
  content: '';
  position: absolute; top: -50%; left: -30%;
  width: 160%; height: 200%;
  background:
    radial-gradient(ellipse 60% 50% at 30% 20%, rgba(59,130,246,0.12) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 70% 60%, rgba(6,182,212,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 40% 30% at 50% 80%, rgba(99,102,241,0.06) 0%, transparent 60%);
  animation: heroPulse 8s ease-in-out infinite alternate;
}
@keyframes heroPulse {
  0% { opacity: 0.7; transform: scale(1); }
  100% { opacity: 1; transform: scale(1.05); }
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 40%, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 40%, black 30%, transparent 70%);
}
.hero-content { position: relative; z-index: 2; max-width: 800px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.375rem 1rem;
  border-radius: var(--radius-pill);
  background: rgba(59,130,246,0.1);
  border: 1px solid rgba(59,130,246,0.2);
  font-size: 0.8125rem; font-weight: 500;
  color: var(--electric-300); margin-bottom: 1.75rem;
}
.hero-badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--electric-400);
  animation: dotPulse 2s ease-in-out infinite;
}
@keyframes dotPulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}
.hero-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}
.hero-title span { color: var(--electric-400); }
.hero-desc {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  color: var(--text-secondary);
  line-height: 1.65;
  max-width: 560px;
  margin-bottom: 2.5rem;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 3rem; margin-top: 3.5rem; }
.hero-stat-value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.75rem;
  color: var(--text);
  line-height: 1.2;
}
.hero-stat-label { font-size: 0.8125rem; color: var(--text-muted); margin-top: 0.25rem; }
.hero-visual {
  position: absolute; right: -80px; top: 50%; transform: translateY(-50%);
  width: 500px; height: 500px; opacity: 0.4;
}
.hero-visual-ring {
  position: absolute; inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(59,130,246,0.15);
  animation: ringSpin 20s linear infinite;
}
.hero-visual-ring:nth-child(2) { inset: 40px; animation-duration: 25s; animation-direction: reverse; border-color: rgba(6,182,212,0.1); }
.hero-visual-ring:nth-child(3) { inset: 80px; animation-duration: 30s; border-color: rgba(99,102,241,0.08); }
@keyframes ringSpin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

/* Glass Card */
.glass-card {
  background: rgba(255,255,255,0.03);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: all var(--transition-base);
}
.glass-card:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.14);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

/* Intro Section */
.intro-section {
  background: var(--space-800);
  color: var(--light-text);
}
.intro-section .section-label { color: var(--electric-600); }
.intro-section .section-title { color: var(--light-text); }
.intro-section .section-subtitle { color: var(--light-text-secondary); }
.intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
.intro-text p { margin-bottom: 1.25rem; color: var(--light-text-secondary); }
.intro-text p:last-child { margin-bottom: 0; }
.intro-highlights { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 2rem; }
.intro-highlight {
  padding: 1.5rem;
  border-radius: var(--radius-sm);
  background: var(--light-alt);
  border: 1px solid var(--light-section);
}
.intro-highlight-icon { font-size: 1.5rem; color: var(--electric-500); margin-bottom: 0.5rem; }
.intro-highlight-title { font-weight: 600; font-size: 0.9375rem; margin-bottom: 0.25rem; }
.intro-highlight-desc { font-size: 0.8125rem; color: var(--light-text-muted); }

/* Products Section */
.products-section { background: var(--light-bg); color: var(--light-text); }
.products-section .section-label { color: var(--electric-600); }
.products-section .section-title { color: var(--light-text); }
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--card-gap); margin-top: 3rem; }
.product-card {
  border-radius: var(--radius-md);
  background: var(--light-alt);
  border: 1px solid var(--light-section);
  overflow: hidden;
  transition: all var(--transition-base);
  display: flex; flex-direction: column;
  color: var(--light-text) !important;
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.08);
  border-color: rgba(59,130,246,0.2);
}
.product-card-image {
  height: 180px;
  background: linear-gradient(135deg, var(--space-800), var(--space-700));
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.product-card-image img { width: 100%; height: 100%; object-fit: cover; position: relative; z-index: 1; }
.product-card-image::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(59,130,246,0.15) 0%, transparent 70%);
  z-index: 0;
}
.product-card-image i { font-size: 3rem; color: var(--electric-400); position: relative; z-index: 1; }
.product-card-body { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; }
.product-card-tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--electric-500); margin-bottom: 0.5rem;
}
.product-card-title { font-weight: 600; font-size: 1.0625rem; margin-bottom: 0.5rem; color: var(--light-text); }
.product-card-desc { font-size: 0.8125rem; color: var(--light-text-muted); line-height: 1.5; flex: 1; }
.product-card-link {
  display: inline-flex; align-items: center; gap: 0.35rem;
  margin-top: 1rem;
  font-size: 0.8125rem; font-weight: 500; color: var(--electric-500);
}
.product-card-link i { transition: transform var(--transition-fast); }
.product-card:hover .product-card-link i { transform: translateX(3px); }

/* Product Filters */
.product-filters {
  display: flex; gap: 0.5rem; flex-wrap: wrap;
  margin-bottom: 2rem; justify-content: center;
}
.filter-btn {
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-pill);
  font-size: 0.8125rem; font-weight: 500;
  cursor: pointer;
  border: 1px solid rgba(255,255,255,0.1);
  background: transparent;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}
.filter-btn:hover, .filter-btn.active {
  background: var(--electric-500);
  border-color: var(--electric-500);
  color: white;
}

/* Capability Section */
.cap-section { background: var(--space-800); }
.cap-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--card-gap); margin-top: 3rem; }
.cap-box {
  border-radius: var(--radius-md);
  padding: 2.5rem 2rem;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.06);
  transition: all var(--transition-base);
  color: var(--text);
}
.cap-box:hover {
  background: rgba(255,255,255,0.04);
  border-color: rgba(59,130,246,0.2);
  box-shadow: 0 0 32px rgba(59,130,246,0.06);
}
.cap-box-icon {
  width: 56px; height: 56px;
  border-radius: var(--radius-sm);
  background: rgba(59,130,246,0.1);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 1.5rem; color: var(--electric-400);
}
.cap-box-title { font-weight: 600; font-size: 1.125rem; margin-bottom: 0.75rem; }
.cap-box-desc { color: var(--text-muted); font-size: 0.875rem; line-height: 1.6; margin-bottom: 1.25rem; }
.cap-box-link {
  display: inline-flex; align-items: center; gap: 0.35rem;
  font-size: 0.8125rem; font-weight: 500; color: var(--electric-400);
}

/* About Section */
.about-section { background: var(--light-bg); color: var(--light-text); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.about-img-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(135deg, var(--space-800), var(--space-700));
  aspect-ratio: 16/10;
  display: flex; align-items: center; justify-content: center;
}
.about-img-wrap i { font-size: 5rem; color: rgba(255,255,255,0.2); }
.about-img-wrap img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.about-img-badge {
  position: absolute; bottom: 1.5rem; left: 1.5rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  background: rgba(10,14,23,0.8);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.1);
  font-size: 0.8125rem; font-weight: 500;
  color: var(--text);
}
.about-section .section-label { color: var(--electric-600); }
.about-section .section-title { color: var(--light-text); }
.about-text p { color: var(--light-text-secondary); margin-bottom: 1rem; }
.about-features { margin: 1.5rem 0; }
.about-feature {
  display: flex; align-items: flex-start; gap: 0.75rem;
  margin-bottom: 0.75rem;
}
.about-feature i { color: var(--electric-500); font-size: 1.25rem; flex-shrink: 0; margin-top: 0.1rem; }
.partner-badge {
  display: inline-flex; align-items: center; gap: 0.75rem;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  background: var(--light-alt);
  border: 1px solid var(--light-section);
  font-size: 0.875rem; font-weight: 500;
  margin-top: 1.5rem;
}
.partner-badge span { color: var(--light-text-muted); }
.partner-badge strong { color: var(--light-text); }

/* Application Section */
.app-section { background: var(--space-800); }
.app-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--card-gap);
  margin-top: 3rem;
}
.app-item {
  padding: 2rem 1.5rem;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-md);
  text-align: center;
  transition: all var(--transition-base);
  color: var(--text) !important;
  cursor: default;
}
.app-item:hover {
  background: rgba(255,255,255,0.04);
  border-color: rgba(59,130,246,0.2);
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.2);
}
.app-item i { font-size: 2rem; color: var(--electric-400); margin-bottom: 0.75rem; }
.app-item-title { font-weight: 600; font-size: 1rem; margin-bottom: 0.5rem; }
.app-item-desc { font-size: 0.8125rem; color: var(--text-muted); line-height: 1.5; }

/* News Section */
.news-section { background: var(--light-bg); color: var(--light-text); }
.news-section .section-label { color: var(--electric-600); }
.news-section .section-title { color: var(--light-text); }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--card-gap); margin-top: 3rem; }
.news-card {
  border-radius: var(--radius-md);
  background: var(--light-alt);
  border: 1px solid var(--light-section);
  overflow: hidden;
  transition: all var(--transition-base);
}
.news-card:hover { box-shadow: 0 8px 24px rgba(0,0,0,0.06); transform: translateY(-2px); }
.news-card-date {
  padding: 1.25rem 1.5rem 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--electric-500);
  font-weight: 500;
}
.news-card-body { padding: 0.75rem 1.5rem 1.5rem; }
.news-card-title { font-weight: 600; font-size: 1rem; margin-bottom: 0.5rem; color: var(--light-text); }
.news-card-excerpt { font-size: 0.8125rem; color: var(--light-text-muted); line-height: 1.5; }

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--space-800), var(--space-700));
  position: relative; overflow: hidden;
}
.cta-section::before {
  content: ''; position: absolute;
  width: 400px; height: 400px; border-radius: 50%;
  background: radial-gradient(circle, rgba(59,130,246,0.12) 0%, transparent 70%);
  top: -100px; right: -100px;
}
.cta-section::after {
  content: ''; position: absolute;
  width: 300px; height: 300px; border-radius: 50%;
  background: radial-gradient(circle, rgba(6,182,212,0.08) 0%, transparent 70%);
  bottom: -80px; left: -80px;
}
.cta-content { position: relative; z-index: 1; text-align: center; }
.cta-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  margin-bottom: 0.75rem;
}
.cta-desc { color: var(--text-secondary); margin-bottom: 2rem; }
.cta-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* Footer */
.site-footer {
  background: var(--space-900);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 4rem 0 2rem;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; margin-bottom: 3rem; }
.footer-col-title {
  font-weight: 600; font-size: 0.8125rem;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--text-muted); margin-bottom: 1.25rem;
}
.footer-about-text { color: var(--text-muted); font-size: 0.875rem; line-height: 1.6; margin-bottom: 1rem; }
.footer-logo { margin-bottom: 1rem; }
.footer-contact-item {
  display: flex; align-items: flex-start; gap: 0.5rem;
  font-size: 0.875rem; color: var(--text-muted); margin-bottom: 0.5rem;
}
.footer-contact-item a { color: var(--text-muted); }
.footer-contact-item i { color: var(--electric-400); margin-top: 0.15rem; flex-shrink: 0; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 0.6rem; }
.footer-links a { font-size: 0.875rem; color: var(--text-muted); transition: color var(--transition-fast); }
.footer-links a:hover { color: var(--text); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 1.5rem;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 1rem;
}
.footer-copy { font-size: 0.8125rem; color: var(--text-muted); }
.footer-legal { display: flex; gap: 1.5rem; }
.footer-legal a { font-size: 0.8125rem; color: var(--text-muted); }
.footer-legal a:hover { color: var(--text); }

/* ============================================================
   INNER PAGES
   ============================================================ */

/* Page Hero (sub-page) */
.page-hero {
  padding: 8rem 0 4rem;
  background: var(--space-900);
  position: relative; overflow: hidden;
}
.page-hero::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 50% 50% at 50% 0%, rgba(59,130,246,0.1) 0%, transparent 70%);
}
.page-hero-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1rem;
  position: relative;
}
.page-hero-desc {
  color: var(--text-secondary);
  max-width: 36rem;
  font-size: 1.125rem;
  position: relative;
}

.breadcrumb-link {
  color: var(--text-muted);
  font-size: 0.875rem;
}
.breadcrumb-link:hover { color: var(--electric-400); }
.product-detail-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--electric-400);
}

/* Product Detail */
.product-detail-section { background: var(--light-bg); color: var(--light-text); }
.product-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
.product-detail-visual {
  position: sticky; top: 100px;
}
.product-detail-img {
  background: linear-gradient(135deg, var(--space-800), var(--space-700));
  border-radius: var(--radius-lg);
  aspect-ratio: 4/3;
  display: flex; align-items: center; justify-content: center;
}
.product-detail-info h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.75rem;
  margin-bottom: 1rem;
  color: var(--light-text);
}
.product-detail-info p { color: var(--light-text-secondary); margin-bottom: 1.5rem; }
.product-detail-info h3 {
  font-weight: 600;
  font-size: 1.125rem;
  margin-bottom: 0.75rem;
  color: var(--light-text);
}
.feature-list {
  list-style: none;
  margin-bottom: 1.5rem;
}
.feature-list li {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.5rem 0;
  color: var(--light-text-secondary);
  font-size: 0.9375rem;
}
.feature-list li i { color: var(--success); }

/* Spec Table */
.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5rem;
}
.spec-table th, .spec-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--light-section);
}
.spec-table th {
  font-weight: 500;
  font-size: 0.8125rem;
  color: var(--text-muted);
  width: 40%;
  background: var(--light-alt);
}
.spec-table td { font-family: var(--font-mono); font-size: 0.875rem; color: var(--light-text); }

/* About Page */
.about-page-section { background: var(--light-bg); color: var(--light-text); }
.about-page-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 3rem; }
.about-page-content p { color: var(--light-text-secondary); margin-bottom: 1rem; }
.about-page-content h2 { font-family: var(--font-display); font-weight: 700; font-size: 1.5rem; margin: 2rem 0 1rem; }

/* Services Grid */
.services-section { background: var(--space-800); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--card-gap); margin-top: 2rem; }

/* Downloads */
.downloads-section { background: var(--light-bg); color: var(--light-text); }
.downloads-section .section-label { color: var(--electric-600); }
.downloads-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--card-gap);
  margin-top: 2rem;
}
.download-card { display: flex; gap: 1.5rem; align-items: flex-start; background: var(--light-alt); border-color: var(--light-section); }
.download-card:hover { background: var(--light-bg); border-color: rgba(59,130,246,0.2); }
.download-card-icon {
  width: 56px; height: 56px; flex-shrink: 0;
  border-radius: var(--radius-sm);
  background: rgba(59,130,246,0.1);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; color: var(--electric-500);
}
.download-card-info { flex: 1; }
.download-card-title { font-weight: 600; font-size: 1.0625rem; margin-bottom: 0.25rem; color: var(--light-text); }
.download-card-desc { font-size: 0.8125rem; color: var(--light-text-muted); margin-bottom: 0.75rem; }
.download-card-meta { display: flex; gap: 1rem; font-size: 0.75rem; color: var(--text-muted); font-family: var(--font-mono); }
.download-card-meta i { font-size: 0.8125rem; }

/* Contact */
.contact-section { background: var(--light-bg); color: var(--light-text); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 3rem; }
.contact-info-item {
  display: flex; align-items: flex-start; gap: 1rem;
  padding: 1rem 0; border-bottom: 1px solid rgba(0,0,0,0.05);
}
.contact-info-item:last-child { border-bottom: none; }
.contact-info-item i { font-size: 1.25rem; color: var(--electric-500); margin-top: 0.1rem; }
.contact-info-item strong { display: block; font-size: 0.875rem; margin-bottom: 0.15rem; }
.contact-info-item div { color: var(--light-text-secondary); font-size: 0.875rem; }

/* Form */
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { margin-bottom: 1.25rem; display: flex; flex-direction: column; }
.form-group label { font-size: 0.8125rem; font-weight: 500; margin-bottom: 0.4rem; color: var(--light-text); }
.form-input {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid #CBD5E1;
  background: var(--light-alt);
  color: var(--light-text);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  transition: border-color var(--transition-fast);
}
.form-input:focus { outline: none; border-color: var(--electric-500); box-shadow: 0 0 0 3px rgba(59,130,246,0.1); }
textarea.form-input { resize: vertical; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .main-nav { display: none; }
  .menu-toggle { display: block; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .app-grid { grid-template-columns: repeat(3, 1fr); }
  .hero-visual { display: none; }
  .downloads-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .intro-grid, .about-grid, .about-page-grid,
  .product-detail-grid { grid-template-columns: 1fr; gap: 2rem; }
  .cap-grid, .news-grid { grid-template-columns: 1fr; }
  .app-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .product-grid { grid-template-columns: 1fr 1fr; }
  .hero-stats { gap: 1.5rem; }
  .hero-title { font-size: clamp(2rem, 8vw, 3rem); }
  .form-row { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .product-grid { grid-template-columns: 1fr; }
  .app-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { justify-content: center; }
  .download-card { flex-direction: column; }
}