/* ==========================================================================
   UtilSens Technologies - Modern Design System & Stylesheet
   ========================================================================== */

/* --- CSS Variables & Theming --- */
:root {
  /* Color Palette - Dark Mode (Default) */
  --bg-primary: #0a0f1d;
  --bg-secondary: #0f172a;
  --bg-tertiary: #1e293b;
  --bg-card: rgba(15, 23, 42, 0.75);
  --bg-card-hover: rgba(30, 41, 59, 0.85);
  --bg-glass: rgba(15, 23, 42, 0.65);
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-inverse: #0f172a;
  
  --accent-cyan: #06b6d4;
  --accent-blue: #3b82f6;
  --accent-indigo: #6366f1;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  
  --gradient-primary: linear-gradient(135deg, #06b6d4 0%, #3b82f6 50%, #6366f1 100%);
  --gradient-emerald: linear-gradient(135deg, #10b981 0%, #06b6d4 100%);
  --gradient-sunset: linear-gradient(135deg, #f59e0b 0%, #f43f5e 100%);
  --gradient-dark: linear-gradient(180deg, #0a0f1d 0%, #0f172a 100%);
  --gradient-glow: radial-gradient(circle at 50% 50%, rgba(6, 182, 212, 0.15), transparent 70%);

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(6, 182, 212, 0.35);
  --border-focus: #06b6d4;
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 30px rgba(6, 182, 212, 0.25);
  --shadow-glow-emerald: 0 0 30px rgba(16, 185, 129, 0.25);

  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme Variables */
[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --bg-tertiary: #e2e8f0;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: rgba(255, 255, 255, 0.98);
  --bg-glass: rgba(255, 255, 255, 0.8);
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --text-inverse: #ffffff;
  
  --border-subtle: rgba(15, 23, 42, 0.08);
  --border-glow: rgba(6, 182, 212, 0.4);
  
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.12);
  --shadow-glow: 0 0 30px rgba(6, 182, 212, 0.15);
  --gradient-glow: radial-gradient(circle at 50% 50%, rgba(6, 182, 212, 0.08), transparent 70%);
}

/* --- Base & Reset --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: 5px;
  border: 2px solid var(--bg-primary);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-cyan);
}

/* Selection */
::selection {
  background: var(--accent-cyan);
  color: #000;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

p {
  color: var(--text-secondary);
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.text-gradient-emerald {
  background: var(--gradient-emerald);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

/* --- Layout Utilities --- */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 6rem 0;
  position: relative;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.25);
  color: var(--accent-cyan);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3.5rem auto;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
}

/* Ambient Background Blobs */
.ambient-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.35;
}
.ambient-glow-1 {
  top: 10%;
  left: -5%;
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, var(--accent-cyan), transparent 70%);
}
.ambient-glow-2 {
  top: 40%;
  right: -5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--accent-indigo), transparent 70%);
}
.ambient-glow-3 {
  bottom: 10%;
  left: 20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--accent-emerald), transparent 70%);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-normal);
  border: 1px solid transparent;
  outline: none;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(6, 182, 212, 0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(6, 182, 212, 0.5);
  color: #ffffff;
}

.btn-emerald {
  background: var(--gradient-emerald);
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(16, 185, 129, 0.35);
}
.btn-emerald:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(16, 185, 129, 0.5);
  color: #ffffff;
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border-color: var(--border-subtle);
  backdrop-filter: blur(10px);
}
.btn-secondary:hover {
  border-color: var(--accent-cyan);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
  color: var(--accent-cyan);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.05rem;
}

.btn-icon {
  width: 42px;
  height: 42px;
  padding: 0;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.btn-icon:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

/* --- Navigation Header --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.1rem 0;
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  padding: 0.75rem 0;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.brand-logo-img {
  height: 38px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px rgba(6, 182, 212, 0.4));
}

.brand-tagline-badge {
  font-size: 0.65rem;
  padding: 0.2rem 0.5rem;
  background: rgba(6, 182, 212, 0.15);
  border: 1px solid rgba(6, 182, 212, 0.3);
  border-radius: 4px;
  color: var(--accent-cyan);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-left: 0.3rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav-link {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-secondary);
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--accent-cyan);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent-cyan);
  border-radius: 2px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.lang-switch {
  display: flex;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 3px;
}

.lang-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lang-btn.active {
  background: var(--accent-cyan);
  color: #000;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all var(--transition-fast);
}

/* Mobile Drawer */
.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 300px;
  height: 100vh;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border-subtle);
  padding: 2rem 1.5rem;
  z-index: 1100;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  transition: right var(--transition-normal);
  box-shadow: var(--shadow-lg);
}

.mobile-nav-drawer.open {
  right: 0;
}

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-subtle);
}

.mobile-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.mobile-nav-links a {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1050;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.drawer-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

/* --- Hero Section --- */
.hero-section {
  padding-top: 9rem;
  padding-bottom: 5rem;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 1rem;
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.3);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-cyan);
  margin-bottom: 1.5rem;
  animation: pulse-border 2s infinite ease-in-out;
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-cyan);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-cyan);
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  font-size: 1.2rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 580px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

.hero-stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
}

.hero-stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--text-primary);
}

.stat-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* Hero Showcase Card */
.hero-visual-card {
  position: relative;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 1.5rem;
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  transition: transform var(--transition-normal);
}

.hero-visual-card:hover {
  transform: translateY(-4px);
}

.hero-screen-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 1rem;
}

.window-dots {
  display: flex;
  gap: 6px;
}
.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #10b981; }

.hero-main-img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.hero-floating-badge {
  position: absolute;
  background: var(--bg-secondary);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(12px);
}

.badge-top-right {
  top: -15px;
  right: -15px;
}

.badge-bottom-left {
  bottom: -15px;
  left: -15px;
}

.floating-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.1rem;
}

.icon-cyan { background: var(--accent-cyan); }
.icon-emerald { background: var(--accent-emerald); }

/* --- Products & Solutions Grid --- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
  position: relative;
  z-index: 1;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  backdrop-filter: blur(16px);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.product-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-md), var(--shadow-glow);
}

.product-card:hover::before {
  opacity: 1;
}

.product-icon-wrapper {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-md);
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.product-icon-wrapper img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.product-title {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}

.product-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.75rem;
}

.tag-pill {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.65rem;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
}

.product-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* --- Interactive Simulator / Real-Time Canvas Engine --- */
.sim-container {
  background: var(--bg-secondary);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  position: relative;
  overflow: hidden;
}

.sim-canvas-wrapper {
  position: relative;
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 2px solid var(--border-subtle);
  background: #000;
  box-shadow: inset 0 0 40px rgba(0, 0, 0, 0.8);
}

#traffic-simulator-canvas {
  display: block;
  width: 100%;
  height: auto;
  min-height: 380px;
  max-height: 480px;
  background: #06111e;
}

/* Simulator HUD Bar */
.sim-hud-bar {
  display: flex;
  align-items: center;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 1rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin-bottom: 1.25rem;
}

.hud-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hud-value {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent-cyan);
}

.hud-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Simulator Touch Controls */
.sim-controls-panel {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 1.25rem;
  padding: 1rem;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.d-pad-controls {
  display: flex;
  gap: 0.5rem;
}

.pedal-controls {
  display: flex;
  gap: 0.75rem;
}

.ctrl-btn {
  user-select: none;
  touch-action: manipulation;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: var(--bg-tertiary);
  color: var(--text-primary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  transition: all 0.1s ease;
}

.ctrl-btn:active {
  transform: scale(0.95);
  background: var(--accent-cyan);
  color: #000;
}

.btn-gas {
  background: rgba(16, 185, 129, 0.2);
  border-color: var(--accent-emerald);
  color: #34d399;
}
.btn-gas:active {
  background: var(--accent-emerald);
  color: #000;
}

.btn-brake {
  background: rgba(244, 63, 94, 0.2);
  border-color: var(--accent-rose);
  color: #fb7185;
}
.btn-brake:active {
  background: var(--accent-rose);
  color: #fff;
}

.sim-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 1.5rem;
}

.sim-progress-bar-wrap {
  width: 100%;
  height: 8px;
  background: var(--bg-tertiary);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 2rem;
}

.sim-progress-fill {
  height: 100%;
  width: 25%;
  background: var(--gradient-emerald);
  transition: width 0.4s ease;
}

.sim-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

.sim-visual-box {
  background: #000;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  padding: 1.5rem;
  height: 320px;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.sim-road-canvas {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-around;
  position: relative;
}

.sim-traffic-light {
  width: 32px;
  background: #222;
  border: 2px solid #444;
  border-radius: 12px;
  padding: 6px 4px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.light-bulb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #333;
  transition: all 0.3s ease;
}
.light-bulb.red.active { background: #ff3333; box-shadow: 0 0 15px #ff3333; }
.light-bulb.yellow.active { background: #ffbb00; box-shadow: 0 0 15px #ffbb00; }
.light-bulb.green.active { background: #00ff66; box-shadow: 0 0 15px #00ff66; }

.sim-scenario-info {
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid var(--border-subtle);
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-cyan);
}

.sim-interactive-panel {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.sim-question-title {
  font-size: 1.25rem;
  color: var(--text-primary);
  line-height: 1.4;
}

.sim-options-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.sim-option-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  color: var(--text-primary);
  text-align: left;
  font-size: 0.95rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transition: all var(--transition-fast);
}

.sim-option-btn:hover {
  border-color: var(--accent-cyan);
  background: var(--bg-card-hover);
  transform: translateX(4px);
}

.sim-option-btn.correct {
  border-color: var(--accent-emerald);
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
}

.sim-option-btn.wrong {
  border-color: var(--accent-rose);
  background: rgba(244, 63, 94, 0.15);
  color: #fb7185;
}

.sim-feedback-box {
  display: none;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  line-height: 1.5;
  animation: fadeIn 0.3s ease;
}

/* --- Interactive Pricing & ROI Calculator --- */
.pricing-section {
  position: relative;
}

.pricing-controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 3.5rem;
}

.billing-switch-wrap {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--bg-card);
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
}

.switch-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
}
.switch-label.active {
  color: var(--accent-cyan);
}

.save-pill {
  background: rgba(16, 185, 129, 0.2);
  color: var(--accent-emerald);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
}

.slider-container {
  width: 100%;
  max-width: 500px;
  text-align: center;
}

.slider-label {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  display: flex;
  justify-content: space-between;
}

.custom-range {
  width: 100%;
  height: 8px;
  background: var(--bg-tertiary);
  border-radius: 4px;
  outline: none;
  -webkit-appearance: none;
  accent-color: var(--accent-cyan);
}

.pricing-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  backdrop-filter: blur(16px);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all var(--transition-normal);
}

.pricing-card.featured {
  border-color: var(--accent-cyan);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  transform: scale(1.03);
}

.pricing-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent-cyan);
}

.featured-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.85rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.plan-name {
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
}

.plan-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.plan-price-wrap {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
  margin-bottom: 2rem;
}

.price-currency {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
}

.price-amount {
  font-size: 3rem;
  font-weight: 800;
  font-family: var(--font-heading);
  color: var(--text-primary);
  line-height: 1;
}

.price-period {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.plan-features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 2.5rem;
  flex-grow: 1;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.feature-item.active i {
  color: var(--accent-emerald);
}

.feature-item.inactive {
  opacity: 0.5;
  text-decoration: line-through;
}

/* --- Team & Leadership Section --- */
.team-filter-bar {
  display: flex;
  justify-content: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.team-filter-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.team-filter-btn:hover, .team-filter-btn.active {
  background: var(--accent-cyan);
  color: #000;
  border-color: var(--accent-cyan);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 2rem;
}

.team-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.team-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-md), var(--shadow-glow);
}

.team-img-wrap {
  width: 100%;
  height: 260px;
  overflow: hidden;
  position: relative;
  background: var(--bg-secondary);
}

.team-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform var(--transition-normal);
}

.team-card:hover .team-img {
  transform: scale(1.05);
}

.team-info {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.team-name {
  font-size: 1.15rem;
  margin-bottom: 0.25rem;
  text-transform: uppercase;
}

.team-role {
  font-size: 0.85rem;
  color: var(--accent-cyan);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.team-bio {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  flex-grow: 1;
}

.team-socials {
  display: flex;
  gap: 0.5rem;
}

.team-social-link {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 0.85rem;
  transition: all var(--transition-fast);
}

.team-social-link:hover {
  background: var(--accent-cyan);
  color: #000;
}

/* --- Workshop & Seminars Section --- */
.workshop-card-main {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 3rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  box-shadow: var(--shadow-md);
}

.workshop-tracks-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin: 1.5rem 0;
}

.track-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.95rem;
}

.track-item i {
  color: var(--accent-cyan);
  margin-top: 0.2rem;
}

/* --- Testimonials --- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}

.testimonial-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
}

.stars-rating {
  color: #fbbf24;
  margin-bottom: 1rem;
  display: flex;
  gap: 4px;
}

.testimonial-quote {
  font-size: 1rem;
  color: var(--text-primary);
  font-style: italic;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.author-avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent-cyan);
}

.author-info h4 {
  font-size: 1rem;
}

.author-info span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* --- FAQ Section --- */
.faq-search-wrap {
  max-width: 550px;
  margin: 0 auto 2.5rem auto;
  position: relative;
}

.faq-search-input {
  width: 100%;
  padding: 0.9rem 1.25rem 0.9rem 2.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: all var(--transition-fast);
}

.faq-search-input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.2);
}

.faq-search-icon {
  position: absolute;
  left: 1.1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.faq-accordion {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-fast);
}

.faq-question {
  padding: 1.25rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text-primary);
}

.faq-question:hover {
  color: var(--accent-cyan);
}

.faq-icon {
  transition: transform var(--transition-fast);
  color: var(--accent-cyan);
}

.faq-item.open .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 1.5rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.faq-item.open .faq-answer {
  max-height: 300px;
  padding: 0 1.5rem 1.25rem 1.5rem;
}

/* --- Contact & Location Hub --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: flex-start;
}

.contact-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.85rem 1.1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: all var(--transition-fast);
}

.form-control:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 12px rgba(6, 182, 212, 0.25);
}

.contact-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.info-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.info-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  font-size: 1.1rem;
  flex-shrink: 0;
}

/* --- Footer --- */
.site-footer {
  background: #060a14;
  border-top: 1px solid var(--border-subtle);
  padding: 4.5rem 0 2rem 0;
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 1rem 0 1.5rem 0;
  line-height: 1.6;
}

.footer-col h4 {
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.footer-links a:hover {
  color: var(--accent-cyan);
  transform: translateX(3px);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.social-icon-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.social-icon-btn:hover {
  background: var(--accent-cyan);
  color: #000;
  border-color: var(--accent-cyan);
}

/* --- Modals & Toasts --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(10px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 900px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 2rem;
  position: relative;
  box-shadow: var(--shadow-lg);
  transform: scale(0.95);
  transition: transform var(--transition-normal);
}

.modal-overlay.active .modal-content {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--accent-rose);
  color: #fff;
}

/* Toast Alerts */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  pointer-events: none;
}

.toast {
  background: var(--bg-secondary);
  border: 1px solid var(--border-glow);
  color: var(--text-primary);
  padding: 1rem 1.4rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  animation: slideInRight 0.3s ease, fadeOut 0.3s ease 3.7s forwards;
  pointer-events: auto;
}

.toast.success { border-color: var(--accent-emerald); }
.toast.info { border-color: var(--accent-cyan); }

/* --- Keyframe Animations --- */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(50px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes fadeOut {
  from { opacity: 1; }
  to { opacity: 0; }
}

@keyframes pulse-border {
  0%, 100% { border-color: rgba(6, 182, 212, 0.3); }
  50% { border-color: rgba(6, 182, 212, 0.8); }
}

/* --- Responsive Media Queries --- */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-subtitle {
    margin: 0 auto 2rem auto;
  }
  .hero-cta-group {
    justify-content: center;
  }
  .hero-stats-bar {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-cards-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }
  .pricing-card.featured {
    transform: none;
  }
  .workshop-card-main {
    grid-template-columns: 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links, .nav-actions .btn-primary {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  .sim-grid {
    grid-template-columns: 1fr;
  }
  .section {
    padding: 4rem 0;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}