/* ============================================================
   COSMYCARE - Modern Medical Equipment Website
   Design System & Core Styles
   ============================================================ */

/* ---------- CSS Custom Properties / Design Tokens ---------- */
:root {
  /* Light Theme (Default) */
  --bg-primary: #f5f7fa;
  --bg-secondary: #ffffff;
  --bg-tertiary: #edf2f7;
  --bg-hero: linear-gradient(160deg, #f5f7fa 0%, #e8f4fd 50%, #f0fdf9 100%);
  --text-primary: #111827;
  --text-secondary: #4b5563;
  --text-muted: #9ca3af;
  --accent-1: #0055d4;
  --accent-2: #00a8cc;
  --accent-3: #06d6a0;
  --accent-glow: rgba(0, 85, 212, 0.15);
  --border: rgba(0, 0, 0, 0.06);
  --border-strong: rgba(0, 0, 0, 0.12);
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.1);
  --shadow-xl: 0 24px 64px rgba(0,0,0,0.14);
  --glass-bg: rgba(255, 255, 255, 0.72);
  --glass-border: rgba(255, 255, 255, 0.4);
  --glass-blur: 20px;
  --gradient-primary: linear-gradient(135deg, #0055d4, #00a8cc);
  --gradient-accent: linear-gradient(135deg, #00a8cc, #06d6a0);
  --gradient-hero: linear-gradient(135deg, #1a6ce8 0%, #0055d4 40%, #003399 100%);
  --gradient-card: linear-gradient(180deg, rgba(255,255,255,0) 0%, rgba(0,85,212,0.03) 100%);
  --gradient-mesh: radial-gradient(ellipse at 20% 50%, rgba(0,168,204,0.08) 0%, transparent 50%),
                   radial-gradient(ellipse at 80% 20%, rgba(0,85,212,0.06) 0%, transparent 50%),
                   radial-gradient(ellipse at 60% 80%, rgba(6,214,160,0.06) 0%, transparent 50%);
  --nav-height: 72px;
  --section-padding: 120px;
  --container-width: 1200px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
  --font-sans: 'Inter', 'Noto Sans Thai', system-ui, -apple-system, sans-serif;
  --font-display: 'Plus Jakarta Sans', 'Noto Sans Thai', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

[data-theme="dark"] {
  --bg-primary: #0b1120;
  --bg-secondary: #131c31;
  --bg-tertiary: #1a2542;
  --bg-hero: linear-gradient(160deg, #0b1120 0%, #0d1a2d 50%, #0b1120 100%);
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #8b9cb7;
  --accent-1: #60a5fa;
  --accent-2: #22d3ee;
  --accent-3: #34d399;
  --accent-glow: rgba(96, 165, 250, 0.2);
  --accent-glow-strong: rgba(96, 165, 250, 0.35);
  --border: rgba(255, 255, 255, 0.06);
  --border-strong: rgba(255, 255, 255, 0.12);
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.2);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.25);
  --shadow-md: 0 4px 24px rgba(0,0,0,0.3);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.35);
  --shadow-xl: 0 24px 64px rgba(0,0,0,0.4);
  --glass-bg: rgba(19, 28, 49, 0.8);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-blur: 20px;
  --gradient-primary: linear-gradient(135deg, #60a5fa, #22d3ee);
  --gradient-accent: linear-gradient(135deg, #22d3ee, #34d399);
  --gradient-hero: linear-gradient(135deg, #93c5fd 0%, #60a5fa 40%, #3b82f6 100%);
  --gradient-card: linear-gradient(180deg, rgba(19,28,49,0) 0%, rgba(96,165,250,0.05) 100%);
  --gradient-mesh: radial-gradient(ellipse at 20% 50%, rgba(34,211,238,0.06) 0%, transparent 50%),
                   radial-gradient(ellipse at 80% 20%, rgba(96,165,250,0.05) 0%, transparent 50%),
                   radial-gradient(ellipse at 60% 80%, rgba(52,211,153,0.05) 0%, transparent 50%);
}

/* ---------- CSS Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-behavior: auto;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}
body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  transition: background var(--transition-slow), color var(--transition-slow);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  word-break: break-word;
  overflow-wrap: break-word;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }
input, textarea, select { font: inherit; }
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  word-break: keep-all;
}

/* ---------- Typography ---------- */
.text-gradient {
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-1);
  margin-bottom: 16px;
}
.section-label::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 1px;
}
.section-title {
  font-size: clamp(2rem, 4vw, 3.25rem);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}
.section-desc {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.8;
}
.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-header .section-desc {
  margin: 0 auto;
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}
section {
  position: relative;
  padding: var(--section-padding) 0;
  overflow: hidden;
}
section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-mesh);
  pointer-events: none;
  z-index: 0;
}
section > .container {
  position: relative;
  z-index: 1;
}

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  transition: all var(--transition-base);
}
.nav.scrolled {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--shadow-sm);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.375rem;
  letter-spacing: -0.02em;
  z-index: 1001;
}
.nav-logo svg {
  width: 36px;
  height: 36px;
}
.nav-logo .logo-text-accent {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}
.nav-links a {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 1px;
  transition: width var(--transition-base);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
}
.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 1001;
}

/* Theme Switch (Light Switch On/Off UI) */
.theme-switch {
  position: relative;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  display: flex;
  align-items: center;
}
.theme-switch-track {
  position: relative;
  width: 56px;
  height: 30px;
  background: #cbd5e1;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 6px;
  transition: background 0.4s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
}
[data-theme="dark"] .theme-switch-track {
  background: #1e3a5f;
  box-shadow: inset 0 2px 6px rgba(0,0,0,0.3), 0 0 12px rgba(96,165,250,0.15);
}
.theme-switch-icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  transition: opacity 0.3s ease, color 0.3s ease;
  position: relative;
  z-index: 1;
}
.theme-switch-icon.icon-sun {
  color: #f59e0b;
  opacity: 1;
}
[data-theme="dark"] .theme-switch-icon.icon-sun {
  color: #475569;
  opacity: 0.4;
}
.theme-switch-icon.icon-moon {
  color: #94a3b8;
  opacity: 0.4;
}
[data-theme="dark"] .theme-switch-icon.icon-moon {
  color: #fbbf24;
  opacity: 1;
}
.theme-switch-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2), 0 1px 2px rgba(0,0,0,0.1);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1),
              background 0.4s ease,
              box-shadow 0.4s ease;
}
[data-theme="dark"] .theme-switch-thumb {
  transform: translateX(26px);
  background: #1e293b;
  box-shadow: 0 2px 8px rgba(0,0,0,0.4), 0 0 8px rgba(96,165,250,0.2);
}
.theme-switch:hover .theme-switch-thumb {
  box-shadow: 0 2px 12px rgba(0,0,0,0.25), 0 0 0 3px rgba(96,165,250,0.15);
}
.theme-switch:active .theme-switch-thumb {
  width: 28px;
}
[data-theme="dark"] .theme-switch:active .theme-switch-thumb {
  transform: translateX(22px);
}

/* Mobile Menu Toggle */
.nav-menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  z-index: 1003;
  position: relative;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.nav-menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 1px;
  position: relative;
  transition: all var(--transition-base);
}
.nav-menu-toggle span::before,
.nav-menu-toggle span::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  background: inherit;
  border-radius: inherit;
  transition: all var(--transition-base);
}
.nav-menu-toggle span::before { top: -6px; }
.nav-menu-toggle span::after { top: 6px; }
.nav-menu-toggle.active span { background: transparent; }
.nav-menu-toggle.active span::before { top: 0; transform: rotate(45deg); background: var(--text-primary); }
.nav-menu-toggle.active span::after { top: 0; transform: rotate(-45deg); background: var(--text-primary); }

/* CTA Button */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}
.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(0, 85, 212, 0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0, 85, 212, 0.4);
}
.btn-outline {
  border: 1.5px solid var(--border-strong);
  color: var(--text-primary);
  background: transparent;
}
.btn-outline:hover {
  border-color: var(--accent-1);
  color: var(--accent-1);
  background: var(--accent-glow);
}
.btn-ghost {
  color: var(--accent-1);
  padding: 8px 4px;
}
.btn-ghost:hover {
  color: var(--accent-2);
}
.btn-ghost svg {
  transition: transform var(--transition-fast);
}
.btn-ghost:hover svg {
  transform: translateX(4px);
}
.btn-lg {
  padding: 16px 36px;
  font-size: 1rem;
}
.btn-icon {
  width: 48px;
  height: 48px;
  padding: 0;
  justify-content: center;
  border-radius: var(--radius-full);
}

/* ---------- Hero Section ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  background: var(--bg-hero);
  position: relative;
}
.hero::before {
  background: var(--gradient-mesh);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero-content {
  max-width: 560px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px 6px 6px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 24px;
  box-shadow: var(--shadow-xs);
}
.hero-badge-dot {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--gradient-accent);
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-badge-dot svg {
  width: 12px;
  height: 12px;
  color: #fff;
}
.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 24px;
}
.hero-desc {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 40px;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 48px;
}
.hero-stats {
  display: flex;
  gap: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.hero-stat-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.hero-stat-label {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-top: 4px;
}
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-visual-wrapper {
  position: relative;
  width: 100%;
  max-width: 520px;
  aspect-ratio: 1;
}
.hero-svg-main {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 20px 60px rgba(0, 85, 212, 0.15));
}
[data-theme="dark"] .hero-svg-main {
  filter: drop-shadow(0 20px 60px rgba(96, 165, 250, 0.2));
}
.hero-float-card {
  position: absolute;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
}
.hero-float-card.card-1 {
  top: 8%;
  right: -12%;
}
.hero-float-card.card-2 {
  bottom: 30%;
  left: -14%;
}
.hero-float-card.card-3 {
  bottom: 2%;
  right: -6%;
}
.float-card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.float-card-icon svg { width: 22px; height: 22px; color: #fff; }
.float-card-text { font-size: 0.8125rem; font-weight: 600; }
.float-card-sub { font-size: 0.75rem; color: var(--text-secondary); }

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.05em;
}
.scroll-indicator-mouse {
  width: 24px;
  height: 38px;
  border: 2px solid var(--text-muted);
  border-radius: 12px;
  position: relative;
}
.scroll-indicator-dot {
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: var(--accent-1);
  border-radius: 2px;
  animation: scrollDot 2s ease-in-out infinite;
}
@keyframes scrollDot {
  0%, 100% { opacity: 1; top: 6px; }
  50% { opacity: 0.3; top: 20px; }
}

/* ---------- About Section ---------- */
.about { background: var(--bg-secondary); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-visual {
  position: relative;
}
.about-svg {
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
}
.about-content .section-desc {
  margin-bottom: 32px;
}
.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 40px;
}
.about-feature {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  border-radius: var(--radius-md);
  background: var(--bg-primary);
  border: 1px solid var(--border);
  transition: all var(--transition-base);
}
.about-feature:hover {
  border-color: var(--accent-1);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}
.about-feature-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.about-feature-icon svg { width: 20px; height: 20px; color: var(--accent-1); }
.about-feature h4 { font-size: 0.875rem; margin-bottom: 2px; }
.about-feature p { font-size: 0.8125rem; color: var(--text-secondary); }

/* ---------- Services Section ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  position: relative;
  padding: 40px 32px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-slow);
  cursor: default;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-base);
}
.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}
.service-card:hover::before { opacity: 1; }
.service-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-lg);
  background: var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  transition: all var(--transition-base);
}
.service-card:hover .service-icon {
  background: var(--gradient-primary);
}
.service-icon svg {
  width: 28px;
  height: 28px;
  color: var(--accent-1);
  transition: color var(--transition-base);
}
.service-card:hover .service-icon svg { color: #fff; }
.service-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}
.service-card p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
  margin-bottom: 20px;
}
.service-card .btn-ghost { font-size: 0.875rem; }

/* ---------- Products Section ---------- */
.products { background: var(--bg-secondary); }
.products-showcase {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.product-card {
  position: relative;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-slow);
  cursor: default;
}
.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}
.product-image {
  aspect-ratio: 4/3;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
  position: relative;
  overflow: hidden;
}
.product-image svg {
  width: 80px;
  height: 80px;
  color: var(--accent-1);
  opacity: 0.7;
  transition: all var(--transition-base);
}
.product-card:hover .product-image svg {
  opacity: 1;
  transform: scale(1.1);
}
.product-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-base);
}
.product-card:hover .product-image::after { opacity: 0.05; }
.product-info {
  padding: 24px;
}
.product-category {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-2);
  margin-bottom: 8px;
}
.product-info h3 {
  font-size: 1.0625rem;
  margin-bottom: 8px;
}
.product-info p {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.6;
}
.product-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 4px 10px;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  color: #fff;
  z-index: 2;
}
.product-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}
.product-brand {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-1);
  background: var(--accent-glow);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
}
.product-origin {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}
.product-origin svg { flex-shrink: 0; }

/* Product Filters */
.product-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 40px;
}
.product-filter {
  padding: 8px 20px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-full);
  background: var(--bg-primary);
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.25s ease;
}
.product-filter:hover {
  border-color: var(--accent-1);
  color: var(--accent-1);
}
.product-filter.active {
  background: var(--accent-1);
  border-color: var(--accent-1);
  color: #fff;
}
.product-card.hidden {
  display: none;
}

/* ---------- Technology Section ---------- */
.technology {
  position: relative;
}
.tech-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.tech-features {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.tech-feature {
  display: flex;
  gap: 20px;
  padding: 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  transition: all var(--transition-base);
}
.tech-feature:hover {
  border-color: var(--accent-1);
  box-shadow: var(--shadow-md);
}
.tech-feature-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  flex-shrink: 0;
}
.tech-feature h4 {
  font-size: 1.0625rem;
  margin-bottom: 6px;
}
.tech-feature p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}
.tech-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
.tech-svg {
  width: 100%;
  max-width: 480px;
}

/* ---------- Stats Section ---------- */
.stats-section {
  background: var(--bg-secondary);
  padding: 80px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.stat-card {
  text-align: center;
  padding: 40px 24px;
  border-radius: var(--radius-xl);
  background: var(--bg-primary);
  border: 1px solid var(--border);
  transition: all var(--transition-base);
}
.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.stat-value {
  font-family: var(--font-display);
  font-size: 2.75rem;
  font-weight: 800;
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}
.stat-label {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-top: 8px;
}

/* ---------- News Section ---------- */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.news-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-slow);
  cursor: pointer;
}
.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.news-card-image {
  aspect-ratio: 16/9;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.news-card-image svg {
  width: 48px;
  height: 48px;
  color: var(--accent-1);
  opacity: 0.4;
}
.news-card-body {
  padding: 28px;
}
.news-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.news-card-tag {
  padding: 2px 10px;
  background: var(--accent-glow);
  color: var(--accent-1);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.75rem;
}
.news-card h3 {
  font-size: 1.125rem;
  margin-bottom: 8px;
  line-height: 1.4;
}
.news-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ---------- Contact Section ---------- */
.contact { background: var(--bg-secondary); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: start;
}
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 24px;
  border-radius: var(--radius-lg);
  background: var(--bg-primary);
  border: 1px solid var(--border);
  transition: all var(--transition-base);
}
.contact-item:hover {
  border-color: var(--accent-1);
  transform: translateX(4px);
}
.contact-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-icon svg { width: 20px; height: 20px; color: var(--accent-1); }
.contact-item h4 { font-size: 0.9375rem; margin-bottom: 4px; }
.contact-item p { font-size: 0.8125rem; color: var(--text-secondary); line-height: 1.6; }
.contact-form {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 36px;
  box-shadow: var(--shadow-md);
}
.contact-form form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contact-form-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 4px;
}
.contact-form-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-group label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}
.form-group input,
.form-group textarea {
  padding: 12px 16px;
  background: var(--bg-secondary);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.9375rem;
  transition: all var(--transition-fast);
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-1);
  box-shadow: 0 0 0 4px var(--accent-glow);
  background: var(--bg-primary);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

/* ---------- Partners Section ---------- */
.partners {
  background: var(--bg-primary);
  padding: var(--section-padding) 0;
}
.partners-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.partner-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 20px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  transition: all var(--transition-base);
  color: var(--text-muted);
  opacity: 0.6;
}
.partner-logo:hover {
  opacity: 1;
  border-color: var(--accent-1);
  box-shadow: var(--shadow-md);
  color: var(--accent-1);
  transform: translateY(-4px);
}
.partner-logo svg {
  width: 100%;
  max-width: 140px;
  height: 48px;
}

/* ---------- Cookie Consent ---------- */
.cookie-consent {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  box-shadow: 0 -4px 24px rgba(0,0,0,0.12);
  padding: 20px 0;
  transform: translateY(100%);
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.cookie-consent.show {
  transform: translateY(0);
}
.cookie-consent-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.cookie-consent-text {
  flex: 1;
  min-width: 280px;
}
.cookie-consent-text h4 {
  font-size: 0.9375rem;
  margin-bottom: 4px;
}
.cookie-consent-text p {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.6;
}
.cookie-consent-text a {
  color: var(--accent-1);
  text-decoration: underline;
}
.cookie-consent-actions {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}
.cookie-consent-actions .btn {
  padding: 10px 20px;
  font-size: 0.8125rem;
}
.btn-cookie-settings {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
}
.btn-cookie-settings:hover {
  border-color: var(--accent-1);
  color: var(--accent-1);
}

/* ---------- Footer ---------- */
.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-brand .nav-logo { margin-bottom: 16px; }
.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 300px;
}
.footer-col h4 {
  font-size: 0.9375rem;
  margin-bottom: 20px;
  color: var(--text-primary);
}
.footer-col a {
  display: block;
  font-size: 0.875rem;
  color: var(--text-secondary);
  padding: 6px 0;
  transition: color var(--transition-fast);
}
.footer-col a:hover { color: var(--accent-1); }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  border-top: 1px solid var(--border);
  font-size: 0.8125rem;
  color: var(--text-muted);
}
.footer-socials {
  display: flex;
  gap: 12px;
}
.footer-socials a {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}
.footer-socials a:hover {
  background: var(--accent-1);
  border-color: var(--accent-1);
  transform: translateY(-2px);
}
.footer-socials a:hover svg { color: #fff; }
.footer-socials svg { width: 18px; height: 18px; color: var(--text-secondary); }

/* ---------- Scroll Progress Bar ---------- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: var(--gradient-primary);
  z-index: 9999;
  transition: width 0.1s linear;
}

/* ---------- Back to Top ---------- */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: all var(--transition-base);
  z-index: 999;
  cursor: pointer;
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.back-to-top svg { width: 20px; height: 20px; }

/* ---------- Cursor Glow Effect ---------- */
.cursor-glow {
  position: fixed;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 0.3s;
}
body:hover .cursor-glow { opacity: 1; }

/* ---------- Loading Screen ---------- */
.loader {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 24px;
  transition: opacity 0.5s, visibility 0.5s;
}
.loader.hidden {
  opacity: 0;
  visibility: hidden;
}
.loader-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--border);
  border-top-color: var(--accent-1);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
.loader-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-primary);
}

/* ---------- Reveal Animations (used by JS) ---------- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}
.reveal-left {
  opacity: 0;
  transform: translateX(-60px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-left.revealed {
  opacity: 1;
  transform: translateX(0);
}
.reveal-right {
  opacity: 0;
  transform: translateX(60px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-right.revealed {
  opacity: 1;
  transform: translateX(0);
}
.reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-scale.revealed {
  opacity: 1;
  transform: scale(1);
}
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }

/* ---------- Particle Canvas ---------- */
#particles-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

/* ---------- Mobile Overlay ---------- */
.mobile-menu-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  z-index: 1002;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 48px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: opacity 0.35s ease, visibility 0.35s ease, transform 0.35s ease;
}
.mobile-menu-overlay.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.mobile-menu-overlay .nav-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
.mobile-menu-overlay .nav-links a {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text-primary);
  padding: 8px 24px;
  border-radius: var(--radius-full);
  transition: all 0.25s ease;
  text-decoration: none;
  position: relative;
}
.mobile-menu-overlay .nav-links a:hover,
.mobile-menu-overlay .nav-links a.active {
  color: var(--accent-1);
  background: var(--accent-glow);
}
.mobile-menu-overlay .mobile-menu-footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.mobile-menu-overlay .mobile-menu-footer .btn {
  min-width: 200px;
  justify-content: center;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  :root { --section-padding: 80px; }
  .container { padding: 0 24px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-content { max-width: 100%; text-align: center; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { order: -1; }
  .hero-visual-wrapper { max-width: 340px; margin: 0 auto; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-visual { max-width: 380px; margin: 0 auto; }
  .tech-grid { grid-template-columns: 1fr; gap: 40px; }
  .tech-visual { max-width: 380px; margin: 0 auto; order: -1; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .products-showcase { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-form { order: -1; padding: 28px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .section-header { max-width: 600px; margin-left: auto; margin-right: auto; }
  .product-filters { gap: 6px; }
  .product-filter { padding: 6px 16px; font-size: 0.8125rem; }
  .partners-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root { --section-padding: 56px; --nav-height: 60px; }
  .container { padding: 0 16px; }
  .nav-links { display: none; }
  .nav-menu-toggle { display: flex; }
  .nav-cta { display: none; }
  .nav-inner { padding: 0 4px; }
  .hero { padding-top: calc(var(--nav-height) + 32px); min-height: auto; }
  .hero-title { font-size: clamp(1.75rem, 6.5vw, 2.5rem); }
  .hero-desc { font-size: 0.9375rem; }
  .hero-visual-wrapper { max-width: 280px; }
  .hero-float-card { display: none; }
  .hero-stats { gap: 24px; }
  .hero-stat-value { font-size: 1.5rem; }
  .services-grid { grid-template-columns: 1fr; }
  .service-card { padding: 28px 20px; }
  .products-showcase { grid-template-columns: 1fr; }
  .product-card { max-width: 400px; margin: 0 auto; width: 100%; }
  .product-filters { overflow-x: auto; flex-wrap: nowrap; justify-content: flex-start; padding-bottom: 8px; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
  .product-filters::-webkit-scrollbar { display: none; }
  .product-filter { white-space: nowrap; flex-shrink: 0; }
  .news-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .news-card { max-width: none; margin: 0; width: 100%; }
  .news-card-body { padding: 14px; }
  .news-card h3 { font-size: 0.8125rem; line-height: 1.3; margin-bottom: 4px; }
  .news-card p { font-size: 0.6875rem; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
  .news-card-meta { font-size: 0.625rem; gap: 6px; margin-bottom: 8px; }
  .news-card-tag { font-size: 0.5625rem; padding: 1px 6px; }
  .news-card-image svg { width: 32px; height: 32px; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .stat-card { padding: 24px 16px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
  .form-row { grid-template-columns: 1fr; }
  .about-features { grid-template-columns: 1fr; }
  .about-feature { padding: 16px; }
  .section-title { font-size: clamp(1.5rem, 5vw, 2rem); }
  .section-desc { font-size: 0.9rem; }
  .section-label { font-size: 0.75rem; }
  .marquee-item { font-size: 1.125rem; }
  .scroll-indicator { display: none; }
  .tech-feature { padding: 16px; }
  .tech-feature-num { font-size: 1.25rem; min-width: 40px; }
  .contact-grid { gap: 32px; }
  .contact-item { padding: 16px; }
  .contact-icon { width: 40px; height: 40px; }
  .contact-form { padding: 24px; }
  .btn-lg { padding: 14px 24px; font-size: 0.9rem; }
  .theme-switch-track { width: 48px; height: 26px; }
  .theme-switch-thumb { width: 20px; height: 20px; }
  [data-theme="dark"] .theme-switch-thumb { transform: translateX(22px); }
  [data-theme="dark"] .theme-switch:active .theme-switch-thumb { transform: translateX(18px); }
  .partners-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .partner-logo { padding: 16px 12px; }
  .cookie-consent-inner { flex-direction: column; text-align: center; }
  .cookie-consent-actions { width: 100%; justify-content: center; }
}

@media (max-width: 480px) {
  :root { --section-padding: 40px; }
  .container { padding: 0 12px; }
  .hero-visual-wrapper { max-width: 220px; }
  .hero-title { font-size: clamp(1.5rem, 6vw, 2rem); }
  .hero-stats { flex-direction: column; gap: 12px; text-align: center; }
  .hero-stats > div { padding-top: 12px; border-top: 1px solid var(--border); }
  .hero-stats > div:first-child { border-top: none; padding-top: 0; }
  .hero-actions { flex-direction: column; gap: 12px; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat-value { font-size: 1.75rem; }
  .about-feature-icon { width: 36px; height: 36px; }
  .service-icon { width: 48px; height: 48px; }
  .section-header { margin-bottom: 32px; }
  .footer-brand p { font-size: 0.85rem; }
  .product-meta { gap: 8px; }
  .product-info { padding: 16px; }
  .product-info h3 { font-size: 0.9375rem; }
  .partners-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .partner-logo { padding: 14px 8px; }
  .partner-logo svg { max-width: 120px; height: 40px; }
  .contact-form { padding: 20px; }
  .cookie-consent-actions { flex-direction: column; }
  .cookie-consent-actions .btn { width: 100%; justify-content: center; }
}

/* ---------- Dark Mode Enhancements ---------- */
[data-theme="dark"] .service-card {
  background: linear-gradient(180deg, var(--bg-secondary) 0%, rgba(19,28,49,0.95) 100%);
  border-color: rgba(255,255,255,0.08);
}
[data-theme="dark"] .service-card:hover {
  border-color: rgba(96,165,250,0.3);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4), 0 0 30px rgba(96,165,250,0.08);
}
[data-theme="dark"] .product-card {
  background: linear-gradient(180deg, var(--bg-primary) 0%, rgba(13,26,45,0.95) 100%);
}
[data-theme="dark"] .product-card:hover {
  box-shadow: 0 16px 48px rgba(0,0,0,0.4), 0 0 20px rgba(96,165,250,0.06);
}
[data-theme="dark"] .product-image {
  background: linear-gradient(135deg, rgba(26,37,66,0.8) 0%, rgba(19,28,49,1) 100%);
}
[data-theme="dark"] .news-card {
  background: linear-gradient(180deg, var(--bg-secondary) 0%, rgba(19,28,49,0.95) 100%);
}
[data-theme="dark"] .stat-card {
  background: linear-gradient(180deg, var(--bg-primary) 0%, rgba(13,26,45,0.95) 100%);
}
[data-theme="dark"] .stat-card:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,0.3), 0 0 20px rgba(96,165,250,0.08);
}
[data-theme="dark"] .tech-feature {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, rgba(26,37,66,0.7) 100%);
}
[data-theme="dark"] .tech-feature:hover {
  border-color: rgba(96,165,250,0.3);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3), 0 0 15px rgba(96,165,250,0.06);
}
[data-theme="dark"] .about-feature {
  background: linear-gradient(135deg, var(--bg-primary) 0%, rgba(13,26,45,0.9) 100%);
}
[data-theme="dark"] .contact-item {
  background: linear-gradient(135deg, var(--bg-primary) 0%, rgba(13,26,45,0.9) 100%);
}
[data-theme="dark"] .hero-float-card {
  box-shadow: 0 16px 48px rgba(0,0,0,0.5), 0 0 20px rgba(96,165,250,0.05);
}
[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group textarea {
  background: rgba(11,17,32,0.6);
  border-color: rgba(255,255,255,0.1);
}
[data-theme="dark"] .form-group input:focus,
[data-theme="dark"] .form-group textarea:focus {
  border-color: var(--accent-1);
  box-shadow: 0 0 0 4px rgba(96,165,250,0.15);
}
[data-theme="dark"] .footer {
  background: linear-gradient(180deg, var(--bg-primary) 0%, rgba(7,11,20,1) 100%);
}
[data-theme="dark"] .hero-badge {
  background: rgba(19,28,49,0.8);
  border-color: rgba(96,165,250,0.15);
}
[data-theme="dark"] .marquee-item {
  opacity: 0.25;
}
[data-theme="dark"] .btn-primary {
  box-shadow: 0 4px 20px rgba(96,165,250,0.25);
}
[data-theme="dark"] .btn-primary:hover {
  box-shadow: 0 8px 32px rgba(96,165,250,0.35);
}
[data-theme="dark"] .loader {
  background: #0b1120;
}
[data-theme="dark"] .product-filter {
  background: var(--bg-secondary);
  border-color: rgba(255,255,255,0.08);
}
[data-theme="dark"] .product-filter:hover {
  border-color: rgba(96,165,250,0.4);
}
[data-theme="dark"] .product-filter.active {
  background: var(--accent-1);
  border-color: var(--accent-1);
}
[data-theme="dark"] .product-badge {
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}
[data-theme="dark"] .product-brand {
  background: rgba(96,165,250,0.1);
}
[data-theme="dark"] .partner-logo {
  background: var(--bg-secondary);
  border-color: rgba(255,255,255,0.06);
}
[data-theme="dark"] .partner-logo:hover {
  border-color: rgba(96,165,250,0.3);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3), 0 0 15px rgba(96,165,250,0.06);
}
[data-theme="dark"] .cookie-consent {
  background: var(--bg-secondary);
  border-color: rgba(255,255,255,0.06);
  box-shadow: 0 -4px 24px rgba(0,0,0,0.4);
}
[data-theme="dark"] .contact-form {
  background: var(--bg-secondary);
  border-color: rgba(255,255,255,0.06);
  box-shadow: 0 4px 24px rgba(0,0,0,0.3);
}

/* ---------- Section Dividers ---------- */
.section-divider {
  position: relative;
  height: 1px;
  margin: 0;
  padding: 0;
  overflow: visible;
}
.section-divider::after {
  content: '';
  position: absolute;
  top: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--accent-1) 30%, var(--accent-2) 50%, var(--accent-3) 70%, transparent 100%);
  opacity: 0.2;
}

/* ---------- Gradient Border Cards ---------- */
.gradient-border {
  position: relative;
  background: var(--bg-secondary);
  border: none;
}
.gradient-border::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: var(--gradient-primary);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  opacity: 0;
  transition: opacity var(--transition-base);
}
.gradient-border:hover::before { opacity: 1; }

/* ---------- Text Highlight / Underline Effect ---------- */
.text-highlight {
  position: relative;
  display: inline;
}
.text-highlight::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0;
  width: 100%;
  height: 6px;
  background: var(--gradient-accent);
  opacity: 0.15;
  border-radius: 2px;
  z-index: -1;
}

/* ---------- Glow Dot Decoration ---------- */
.glow-dot {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}
.glow-dot::after {
  content: '';
  position: absolute;
  inset: -50%;
  border-radius: 50%;
  background: inherit;
  filter: blur(20px);
  opacity: 0.4;
}

/* ---------- Scroll Snap Sections (optional) ---------- */
.scroll-snap-container {
  scroll-snap-type: y proximity;
}
.scroll-snap-section {
  scroll-snap-align: start;
}

/* ---------- Number Badge ---------- */
.num-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}

/* ---------- Tooltip ---------- */
.theme-tooltip {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) scale(0.9);
  padding: 6px 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-md);
  z-index: 10;
}
.theme-toggle:hover .theme-tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) scale(1);
}