/* ==========================================
   AUTO MODEL SOLUTIONS - DESIGN SYSTEM
   Professional Enterprise BIM Automation Platform
   ========================================== */

/* ===== CSS VARIABLES ===== */
:root {
  /* Spacing System */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 0.75rem;
  --spacing-lg: 1rem;
  --spacing-xl: 1.5rem;
  --spacing-2xl: 2rem;
  --spacing-3xl: 3rem;
  --spacing-4xl: 4rem;
  
  /* Color Palette - Professional Dark Theme */
  --color-primary: #0096b3;
  --color-secondary: #9d00ff;
  --color-accent: #00ffc8;
  --color-surface: #000000;
  --color-surface-elevated: #0d0d0d;
  --color-on-surface: #e8f8ff;
  --color-on-surface-secondary: #a8dce6;
  --color-on-primary: #ffffff;
  --color-on-accent: #000000;
  --color-border: #2a2a2a;
  --color-outline: #0096b3;
  
  /* Typography */
  --font-family-heading: "Rajdhani", system-ui, sans-serif;
  --font-family-body: "Inter", system-ui, sans-serif;
  --font-weight-heading: 700;
  --font-weight-medium: 600;
  --font-weight-body: 400;
  --line-height-heading: 1.2;
  --line-height-body: 1.6;
  --letter-spacing-heading: 0.02em;
  --letter-spacing-body: 0.01em;
  
  /* Font Sizes - Fluid Typography */
  --font-size-xs: clamp(0.65rem, 0.75rem, 0.85rem);
  --font-size-sm: clamp(0.8rem, 0.9rem, 1rem);
  --font-size-base: clamp(0.95rem, 1rem, 1rem);
  --font-size-lg: clamp(1.1rem, 1.25rem, 1.4rem);
  --font-size-xl: clamp(1.35rem, 1.6rem, 1.9rem);
  --font-size-2xl: clamp(1.6rem, 1.9rem, 2.2rem);
  --font-size-3xl: clamp(2.2rem, 2.6rem, 3rem);
  --font-size-4xl: clamp(3rem, 3.6rem, 4.2rem);
  
  /* Border Radius */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  --border-radius-xl: 16px;
  --border-radius-full: 9999px;
  
  /* Shadows with Glow Effect */
  --shadow-level-1: 0 0 8px rgba(0, 255, 200, 0.15);
  --shadow-level-2: 0 0 18px rgba(0, 255, 200, 0.25);
  --shadow-level-3: 0 0 36px rgba(0, 255, 200, 0.35);
  
  /* Layout */
  --content-max-width: 84rem;
}

/* ===== RESET & BASE STYLES ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-family-body);
  font-weight: var(--font-weight-body);
  font-size: var(--font-size-base);
  line-height: var(--line-height-body);
  letter-spacing: var(--letter-spacing-body);
  color: var(--color-on-surface);
  background: var(--color-surface);
  overflow-x: hidden;
}

/* ===== TYPOGRAPHY ===== */
.section-title {
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-heading);
  font-size: var(--font-size-3xl);
  line-height: var(--line-height-heading);
  letter-spacing: var(--letter-spacing-heading);
  color: var(--color-on-surface);
  margin-bottom: var(--spacing-lg);
}

.section-subtitle {
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-xl);
  line-height: var(--line-height-heading);
  color: var(--color-on-surface);
}

.section-content {
  font-size: var(--font-size-base);
  line-height: var(--line-height-body);
  color: var(--color-on-surface-secondary);
}

.section-tag {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  background: color-mix(in srgb, var(--color-primary) 15%, transparent);
  border: 1px solid var(--color-primary);
  border-radius: var(--border-radius-full);
  color: var(--color-accent);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--spacing-xl);
  animation: tagPulse 3s ease-in-out infinite;
}

@keyframes tagPulse {
  0%, 100% { 
    box-shadow: 0 0 0 0 rgba(0, 150, 179, 0.4);
  }
  50% { 
    box-shadow: 0 0 0 8px rgba(0, 150, 179, 0);
  }
}

/* ===== BUTTON SYSTEM ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-2xl);
  border-radius: var(--border-radius-full);
  font-family: var(--font-family-body);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-base);
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn-sm {
  padding: var(--spacing-sm) var(--spacing-xl);
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: var(--spacing-lg) var(--spacing-3xl);
  font-size: var(--font-size-lg);
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-on-primary);
  border: 1px solid var(--color-primary);
}

.btn-primary:hover {
  background: color-mix(in srgb, var(--color-primary) 85%, white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-level-2);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-on-primary);
  transform: translateY(-2px);
}

.btn-outline-light {
  background: transparent;
  color: var(--color-on-surface);
  border: 1px solid var(--color-on-surface);
}

.btn-outline-light:hover {
  background: var(--color-on-surface);
  color: var(--color-surface);
}

/* ===== NAVIGATION ===== */
.navigation-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  transition: all 0.3s ease;
}

.navigation-wrapper.scrolled {
  background: rgba(0, 0, 0, 0.95);
  box-shadow: 0 4px 20px rgba(0, 150, 179, 0.1);
}

.navigation-container {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-2xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navigation-logo-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  text-decoration: none;
  transition: transform 0.3s ease;
}

.navigation-logo-link:hover {
  transform: scale(1.05);
}

.navigation-logo-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  color: var(--color-primary);
  animation: iconRotate 20s linear infinite;
}

@keyframes iconRotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.navigation-brand-name {
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-heading);
  font-size: var(--font-size-xl);
  color: var(--color-on-surface);
  letter-spacing: -0.02em;
}

.navigation-brand-accent {
  color: var(--color-primary);
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.navigation-desktop-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-3xl);
}

.navigation-links-list {
  display: flex;
  align-items: center;
  gap: var(--spacing-2xl);
  list-style: none;
}

.navigation-link {
  color: var(--color-on-surface-secondary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  transition: color 0.3s ease;
  position: relative;
  padding: var(--spacing-sm) 0;
}

.navigation-link:hover {
  color: var(--color-accent);
}

.navigation-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transition: width 0.3s ease;
}

.navigation-link:hover::after {
  width: 100%;
}

.navigation-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.navigation-mobile-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  color: var(--color-on-surface);
  cursor: pointer;
  transition: all 0.3s ease;
}

.navigation-mobile-toggle:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

/* Mobile Navigation Overlay */
.navigation-mobile-overlay {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 400px;
  height: 100vh;
  background: var(--color-surface);
  border-left: 1px solid var(--color-border);
  display: none;
  flex-direction: column;
  z-index: 2000;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: -10px 0 40px rgba(0, 150, 179, 0.2);
}

.navigation-overlay-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg) var(--spacing-2xl);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface-elevated);
}

.navigation-overlay-content {
  flex: 1;
  padding: var(--spacing-2xl);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.navigation-overlay-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.navigation-overlay-link {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-medium);
  color: var(--color-on-surface);
  transition: all 0.3s ease;
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid transparent;
}

.navigation-overlay-link:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
  padding-left: var(--spacing-md);
}

.navigation-overlay-footer {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.navigation-full-btn {
  width: 100%;
}

/* ===== HERO SECTION ===== */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(80px + var(--spacing-4xl)) var(--spacing-2xl) var(--spacing-4xl);
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 50%, color-mix(in srgb, var(--color-primary) 8%, transparent), transparent 60%),
    radial-gradient(circle at 80% 80%, color-mix(in srgb, var(--color-accent) 6%, transparent), transparent 60%);
  pointer-events: none;
  animation: gradientShift 15s ease-in-out infinite;
}

@keyframes gradientShift {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.hero-section::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 2px,
      rgba(0, 150, 179, 0.03) 2px,
      rgba(0, 150, 179, 0.03) 4px
    );
  pointer-events: none;
  animation: scanlines 8s linear infinite;
}

@keyframes scanlines {
  0% { transform: translateY(0); }
  100% { transform: translateY(10px); }
}

.hero-container {
  max-width: var(--content-max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  background: color-mix(in srgb, var(--color-primary) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-primary) 30%, transparent);
  border-radius: var(--border-radius-full);
  margin-bottom: var(--spacing-2xl);
  animation: fadeInUp 0.8s ease-out 0.2s both, badgeGlow 2s ease-in-out infinite;
}

@keyframes badgeGlow {
  0%, 100% { 
    box-shadow: 0 0 5px rgba(0, 150, 179, 0.3);
  }
  50% { 
    box-shadow: 0 0 20px rgba(0, 150, 179, 0.5);
  }
}

.badge-text {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-accent);
  letter-spacing: 0.05em;
}

.hero-title {
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-heading);
  font-size: var(--font-size-4xl);
  line-height: 1.1;
  margin-bottom: var(--spacing-2xl);
  animation: fadeInUp 0.8s ease-out 0.3s both;
}

.title-accent {
  display: block;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 3s ease-in-out infinite;
  background-size: 200% 200%;
}

@keyframes shimmer {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.hero-description {
  font-size: var(--font-size-lg);
  line-height: 1.7;
  margin-bottom: var(--spacing-3xl);
  max-width: 540px;
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-actions {
  display: flex;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease-out 0.5s both;
}

/* Hero Visual */
.hero-visual {
  position: relative;
  height: 500px;
  animation: fadeInUp 0.8s ease-out 0.6s both;
}

.hero-grid-pattern {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 400px;
  height: 400px;
  background: 
    linear-gradient(var(--color-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
  background-size: 50px 50px;
  opacity: 0.15;
  animation: gridPulse 4s ease-in-out infinite;
}

.hero-floating-card {
  position: absolute;
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  box-shadow: var(--shadow-level-2);
  animation: float 6s ease-in-out infinite;
  transition: all 0.3s ease;
}

.hero-floating-card:hover {
  transform: translateY(-10px) scale(1.05);
  box-shadow: var(--shadow-level-3);
  border-color: var(--color-accent);
}

.hero-floating-card.card-1 {
  top: 10%;
  left: 5%;
  animation-delay: 0s;
}

.hero-floating-card.card-2 {
  top: 50%;
  right: 10%;
  animation-delay: 2s;
}

.hero-floating-card.card-3 {
  bottom: 15%;
  left: 15%;
  animation-delay: 4s;
}

.card-icon {
  font-size: 2rem;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--color-primary) 15%, transparent);
  border-radius: var(--border-radius-md);
  animation: iconPulse 2s ease-in-out infinite;
}

@keyframes iconPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

.card-stat {
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-heading);
  font-size: var(--font-size-2xl);
  color: var(--color-accent);
  line-height: 1;
}

.card-label {
  font-size: var(--font-size-xs);
  color: var(--color-on-surface-secondary);
}

/* ===== STATS SECTION ===== */
.stats-section {
  padding: var(--spacing-4xl) var(--spacing-2xl);
  background: var(--color-surface-elevated);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  position: relative;
}

.stats-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
}

.stats-container {
  max-width: var(--content-max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1px auto 1px auto 1px auto;
  align-items: center;
  gap: var(--spacing-3xl);
}

.stat-item {
  text-align: center;
  animation: fadeInUp 0.8s ease-out both;
}

.stat-item:nth-child(1) { animation-delay: 0.1s; }
.stat-item:nth-child(3) { animation-delay: 0.2s; }
.stat-item:nth-child(5) { animation-delay: 0.3s; }
.stat-item:nth-child(7) { animation-delay: 0.4s; }

.stat-number {
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-heading);
  font-size: var(--font-size-4xl);
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-sm);
  line-height: 1;
  animation: numberCount 2s ease-out;
}

@keyframes numberCount {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.stat-label {
  font-size: var(--font-size-sm);
  max-width: 150px;
  margin: 0 auto;
}

.stat-divider {
  width: 1px;
  height: 60px;
  background: linear-gradient(180deg, transparent, var(--color-border), transparent);
}

/* ===== FEATURES SECTION ===== */
.features-section {
  padding: var(--spacing-4xl) var(--spacing-2xl);
}

.section-container {
  max-width: var(--content-max-width);
  margin: 0 auto;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--spacing-4xl);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-2xl);
}

.feature-card {
  padding: var(--spacing-2xl);
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.feature-card::after {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(0, 150, 179, 0.1) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-card:hover::after {
  opacity: 1;
  animation: rotateGlow 3s linear infinite;
}

@keyframes rotateGlow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-level-2);
}

.feature-icon-wrapper {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--color-primary) 15%, transparent);
  border: 1px solid var(--color-primary);
  border-radius: var(--border-radius-md);
  color: var(--color-accent);
  margin-bottom: var(--spacing-xl);
  transition: all 0.3s ease;
}

.feature-card:hover .feature-icon-wrapper {
  transform: scale(1.1) rotate(5deg);
  box-shadow: var(--shadow-level-1);
}

.feature-title {
  margin-bottom: var(--spacing-md);
}

.feature-description {
  line-height: 1.8;
}

/* ===== PRODUCTS SECTION ===== */
.products-section {
  padding: var(--spacing-4xl) var(--spacing-2xl);
  background: var(--color-surface-elevated);
  position: relative;
}

.products-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-3xl);
}

.product-card {
  padding: var(--spacing-2xl);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-xl);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  display: flex;
  flex-direction: column;
}

.product-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(0, 150, 179, 0.1), transparent);
  opacity: 0;
  border-radius: var(--border-radius-xl);
  transition: opacity 0.4s ease;
}

.product-card.featured {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-level-2);
  animation: featuredPulse 3s ease-in-out infinite;
}

@keyframes featuredPulse {
  0%, 100% { 
    box-shadow: 0 0 18px rgba(0, 255, 200, 0.25);
  }
  50% { 
    box-shadow: 0 0 36px rgba(0, 255, 200, 0.35);
  }
}

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

.product-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-level-3);
  border-color: var(--color-accent);
}

.product-tag {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  background: color-mix(in srgb, var(--color-accent) 15%, transparent);
  border: 1px solid var(--color-accent);
  border-radius: var(--border-radius-full);
  color: var(--color-accent);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-lg);
  width: fit-content;
  animation: tagSlide 0.5s ease-out;
}

@keyframes tagSlide {
  from { 
    opacity: 0;
    transform: translateX(-20px);
  }
  to { 
    opacity: 1;
    transform: translateX(0);
  }
}

.featured-badge {
  position: absolute;
  top: -12px;
  right: var(--spacing-2xl);
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--color-primary);
  color: var(--color-on-primary);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--border-radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: var(--shadow-level-1);
  animation: badgeBounce 2s ease-in-out infinite;
}

@keyframes badgeBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

.product-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-xl);
  filter: grayscale(100%);
  transition: filter 0.3s ease;
}

.product-card:hover .product-icon {
  filter: grayscale(0%);
}

.product-title {
  margin-bottom: var(--spacing-md);
}

.product-description {
  flex-grow: 1;
  margin-bottom: var(--spacing-xl);
  line-height: 1.7;
}

.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-border);
}

.product-price {
  display: flex;
  align-items: baseline;
  gap: 2px;
}

.price-currency {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  color: var(--color-accent);
}

.price-amount {
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-heading);
  font-size: var(--font-size-3xl);
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  animation: priceShimmer 3s ease-in-out infinite;
  background-size: 200% 200%;
}

@keyframes priceShimmer {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.section-cta {
  text-align: center;
  margin-top: var(--spacing-3xl);
}

/* ===== TESTIMONIALS SECTION ===== */
.testimonials-section {
  padding: var(--spacing-4xl) var(--spacing-2xl);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-2xl);
}

.testimonial-card {
  padding: var(--spacing-2xl);
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-xl);
  transition: all 0.4s ease;
  position: relative;
}

.testimonial-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  right: -1px;
  bottom: -1px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: var(--border-radius-xl);
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: -1;
}

.testimonial-card:hover::before {
  opacity: 0.5;
}

.testimonial-card:hover {
  transform: translateY(-5px);
  border-color: transparent;
}

.testimonial-quote {
  color: var(--color-primary);
  opacity: 0.3;
  margin-bottom: var(--spacing-lg);
}

.testimonial-text {
  font-size: var(--font-size-base);
  line-height: 1.8;
  margin-bottom: var(--spacing-2xl);
  font-style: italic;
  position: relative;
  padding-left: var(--spacing-lg);
}

.testimonial-text::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, var(--color-primary), var(--color-accent));
  border-radius: 3px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.author-avatar {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: var(--color-on-primary);
  font-weight: var(--font-weight-heading);
  font-size: var(--font-size-lg);
  border-radius: var(--border-radius-full);
  animation: avatarPulse 3s ease-in-out infinite;
}

@keyframes avatarPulse {
  0%, 100% { 
    box-shadow: 0 0 0 0 rgba(0, 150, 179, 0.7);
  }
  50% { 
    box-shadow: 0 0 0 10px rgba(0, 150, 179, 0);
  }
}

.author-name {
  font-weight: var(--font-weight-medium);
  color: var(--color-on-surface);
  margin-bottom: 2px;
}

.author-role {
  font-size: var(--font-size-sm);
}

/* ===== CTA SECTION ===== */
.cta-section {
  padding: var(--spacing-4xl) var(--spacing-2xl);
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 30% 50%, color-mix(in srgb, white 10%, transparent), transparent 60%),
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 10px,
      rgba(255, 255, 255, 0.03) 10px,
      rgba(255, 255, 255, 0.03) 20px
    );
  pointer-events: none;
  animation: ctaShift 20s linear infinite;
}

@keyframes ctaShift {
  from { transform: translateX(0); }
  to { transform: translateX(20px); }
}

.cta-container {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.cta-content {
  text-align: center;
}

.cta-title {
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-heading);
  font-size: var(--font-size-3xl);
  color: var(--color-on-primary);
  margin-bottom: var(--spacing-lg);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.cta-description {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: var(--spacing-3xl);
  line-height: 1.7;
}

.cta-actions {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== FOOTER ===== */
.footer-root {
  padding: var(--spacing-4xl) var(--spacing-2xl) var(--spacing-2xl);
  border-top: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}

.footer-root::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 80% 20%, color-mix(in srgb, var(--color-primary) 5%, transparent), transparent 50%);
  pointer-events: none;
}

.footer-container {
  max-width: var(--content-max-width);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--spacing-4xl);
  margin-bottom: var(--spacing-3xl);
}

.footer-logo-wrapper {
  margin-bottom: var(--spacing-xl);
}

.footer-logo-text {
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-heading);
  font-size: var(--font-size-2xl);
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
  animation: logoShimmer 4s ease-in-out infinite;
  background-size: 200% 200%;
}

@keyframes logoShimmer {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.footer-description {
  margin-bottom: var(--spacing-xl);
  line-height: 1.7;
}

.footer-social-links {
  display: flex;
  gap: var(--spacing-md);
}

.footer-social-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  color: var(--color-on-surface);
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.footer-social-icon:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  transform: translateY(-3px) rotate(5deg);
  box-shadow: var(--shadow-level-1);
}

.footer-heading {
  color: var(--color-on-surface);
  margin-bottom: var(--spacing-xl);
  position: relative;
  display: inline-block;
}

.footer-heading::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 24px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  animation: underlineExpand 2s ease-in-out infinite;
}

@keyframes underlineExpand {
  0%, 100% { width: 24px; }
  50% { width: 40px; }
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.footer-link {
  color: var(--color-on-surface-secondary);
  text-decoration: none;
  transition: all 0.3s ease;
  display: inline-block;
  width: fit-content;
  position: relative;
}

.footer-link::before {
  content: "→";
  position: absolute;
  left: -20px;
  opacity: 0;
  transition: all 0.3s ease;
}

.footer-link:hover::before {
  opacity: 1;
  left: -25px;
}

.footer-link:hover {
  color: var(--color-accent);
  transform: translateX(4px);
}

.footer-newsletter-text {
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}

.footer-newsletter-form {
  margin-bottom: var(--spacing-xl);
}

.footer-input-group {
  display: flex;
  padding: 4px;
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  transition: all 0.3s ease;
}

.footer-input-group:focus-within {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-level-1);
}

.footer-input {
  flex: 1;
  padding: var(--spacing-md);
  background: transparent;
  border: none;
  color: var(--color-on-surface);
  font-size: var(--font-size-sm);
  font-family: var(--font-family-body);
}

.footer-input:focus {
  outline: none;
}

.footer-input::placeholder {
  color: var(--color-on-surface-secondary);
}

.footer-submit-btn {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  border: none;
  border-radius: var(--border-radius-md);
  color: var(--color-on-primary);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.footer-submit-btn:hover {
  background: var(--color-accent);
  color: var(--color-on-accent);
  transform: scale(1.1) rotate(5deg);
}

.footer-contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-on-surface-secondary);
  transition: color 0.3s ease;
}

.footer-contact-item:hover {
  color: var(--color-accent);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--spacing-2xl);
  border-top: 1px solid var(--color-border);
}

.footer-bottom-links {
  display: flex;
  gap: var(--spacing-2xl);
}

.footer-link-sm {
  color: var(--color-on-surface-secondary);
  font-size: var(--font-size-sm);
  text-decoration: none;
  transition: all 0.3s ease;
  position: relative;
}

.footer-link-sm::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-primary);
  transition: width 0.3s ease;
}

.footer-link-sm:hover::after {
  width: 100%;
}

.footer-link-sm:hover {
  color: var(--color-primary);
}

/* ===== PAGE HEADER ===== */
.page-header {
  padding: calc(80px + var(--spacing-4xl)) var(--spacing-2xl) var(--spacing-3xl);
  text-align: center;
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-surface-elevated) 100%);
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 50% 0%, color-mix(in srgb, var(--color-primary) 8%, transparent), transparent 60%);
  pointer-events: none;
  animation: headerPulse 4s ease-in-out infinite;
}

@keyframes headerPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.page-header::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-primary), var(--color-accent), transparent);
  animation: headerLine 3s ease-in-out infinite;
}

@keyframes headerLine {
  0%, 100% { transform: translateX(-100%); }
  50% { transform: translateX(100%); }
}

.page-header-container {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.page-title {
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-heading);
  font-size: var(--font-size-4xl);
  line-height: 1.1;
  margin-bottom: var(--spacing-xl);
  background: linear-gradient(135deg, var(--color-on-surface), var(--color-on-surface-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: titleSlide 1s ease-out;
}

@keyframes titleSlide {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-description {
  font-size: var(--font-size-lg);
  line-height: 1.7;
  max-width: 700px;
  margin: 0 auto;
  animation: fadeIn 1s ease-out 0.3s both;
}

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

/* ===== FILTER SECTION ===== */
.filter-section {
  padding: var(--spacing-2xl) var(--spacing-2xl);
  background: var(--color-surface-elevated);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 73px;
  z-index: 100;
  backdrop-filter: blur(10px);
}

.filter-container {
  max-width: var(--content-max-width);
  margin: 0 auto;
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

.filter-btn {
  padding: var(--spacing-md) var(--spacing-xl);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-full);
  color: var(--color-on-surface-secondary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  font-family: var(--font-family-body);
  position: relative;
  overflow: hidden;
}

.filter-btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: color-mix(in srgb, var(--color-primary) 20%, transparent);
  transform: translate(-50%, -50%);
  transition: width 0.4s, height 0.4s;
}

.filter-btn:hover::before,
.filter-btn.active::before {
  width: 200px;
  height: 200px;
}

.filter-btn:hover {
  background: color-mix(in srgb, var(--color-primary) 10%, transparent);
  border-color: var(--color-primary);
  color: var(--color-on-surface);
  transform: translateY(-2px);
}

.filter-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-on-primary);
  box-shadow: var(--shadow-level-1);
}

/* ===== SOLUTIONS GRID ===== */
.solutions-grid-section {
  padding: var(--spacing-4xl) var(--spacing-2xl);
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--spacing-2xl);
}

.solution-card {
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-2xl);
  display: flex;
  flex-direction: column;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  overflow: hidden;
}

.solution-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 150, 179, 0.1), transparent);
  transition: left 0.6s ease;
}

.solution-card:hover::before {
  left: 100%;
}

.solution-card.featured {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-level-2);
}

.solution-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-level-3);
  border-color: var(--color-accent);
}

.solution-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-xl);
}

.solution-icon {
  font-size: 3rem;
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--color-primary) 15%, transparent);
  border: 1px solid var(--color-primary);
  border-radius: var(--border-radius-lg);
  transition: all 0.4s ease;
  filter: grayscale(100%);
}

.solution-card:hover .solution-icon {
  transform: scale(1.1) rotate(5deg);
  filter: grayscale(0%);
  box-shadow: var(--shadow-level-1);
}

.solution-body {
  flex-grow: 1;
  margin-bottom: var(--spacing-xl);
}

.solution-title {
  margin-bottom: var(--spacing-md);
}

.solution-description {
  margin-bottom: var(--spacing-xl);
  line-height: 1.7;
}

.solution-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.solution-features li {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-on-surface-secondary);
  font-size: var(--font-size-sm);
  transition: all 0.3s ease;
  padding-left: 0;
}

.solution-card:hover .solution-features li {
  padding-left: var(--spacing-sm);
}

.solution-features li::before {
  content: "✓";
  color: var(--color-accent);
  font-weight: bold;
  font-size: var(--font-size-base);
  transition: transform 0.3s ease;
}

.solution-card:hover .solution-features li::before {
  transform: scale(1.2);
}

.solution-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-border);
}

/* ===== CONTACT PAGE ===== */
.contact-section {
  padding: var(--spacing-4xl) var(--spacing-2xl);
}

.contact-grid {
  max-width: var(--content-max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--spacing-4xl);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.info-card {
  padding: var(--spacing-2xl);
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  transition: all 0.4s ease;
  position: relative;
}

.info-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 0;
  background: linear-gradient(180deg, var(--color-primary), var(--color-accent));
  border-radius: 3px;
  transition: height 0.4s ease;
}

.info-card:hover::before {
  height: 100%;
}

.info-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-5px);
  box-shadow: var(--shadow-level-1);
}

.info-card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--color-primary) 15%, transparent);
  border: 1px solid var(--color-primary);
  border-radius: var(--border-radius-md);
  color: var(--color-accent);
  margin-bottom: var(--spacing-lg);
  transition: all 0.3s ease;
}

.info-card:hover .info-card-icon {
  transform: scale(1.1) rotate(5deg);
}

.info-card h3 {
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-xl);
  color: var(--color-on-surface);
  margin-bottom: var(--spacing-md);
}

.info-card p {
  color: var(--color-on-surface-secondary);
  line-height: 1.7;
  margin-bottom: var(--spacing-sm);
}

.info-card p strong {
  color: var(--color-on-surface);
  display: block;
  margin-top: var(--spacing-md);
}

.contact-form-wrapper {
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-3xl);
  position: relative;
}

.contact-form-wrapper::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: var(--border-radius-xl) var(--border-radius-xl) 0 0;
}

.contact-form-wrapper h2 {
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-heading);
  font-size: var(--font-size-2xl);
  color: var(--color-on-surface);
  margin-bottom: var(--spacing-2xl);
}

.form-group {
  margin-bottom: var(--spacing-xl);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-sm);
  color: var(--color-on-surface);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-base);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  color: var(--color-on-surface);
  font-family: var(--font-family-body);
  font-size: var(--font-size-base);
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  background: var(--color-surface-elevated);
  box-shadow: var(--shadow-level-1);
}

.form-group textarea {
  resize: vertical;
  min-height: 150px;
  line-height: 1.6;
}

.form-submit {
  width: 100%;
  padding: var(--spacing-lg);
  background: var(--color-primary);
  border: none;
  border-radius: var(--border-radius-md);
  color: var(--color-on-primary);
  font-family: var(--font-family-body);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-lg);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  overflow: hidden;
}

.form-submit::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.form-submit:hover::before {
  width: 400px;
  height: 400px;
}

.form-submit:hover {
  background: color-mix(in srgb, var(--color-primary) 85%, white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-level-2);
}

/* ===== ABOUT PAGE ===== */
.about-content {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--spacing-4xl) var(--spacing-2xl);
}

.about-section {
  margin-bottom: var(--spacing-4xl);
  animation: fadeInUp 0.8s ease-out both;
}

.about-section:nth-child(1) { animation-delay: 0.1s; }
.about-section:nth-child(2) { animation-delay: 0.2s; }
.about-section:nth-child(3) { animation-delay: 0.3s; }
.about-section:nth-child(4) { animation-delay: 0.4s; }
.about-section:nth-child(5) { animation-delay: 0.5s; }

.about-section h2 {
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-heading);
  font-size: var(--font-size-2xl);
  color: var(--color-on-surface);
  margin-bottom: var(--spacing-xl);
  position: relative;
  display: inline-block;
}

.about-section h2::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  animation: underlineGrow 2s ease-in-out infinite;
}

@keyframes underlineGrow {
  0%, 100% { width: 60px; }
  50% { width: 80px; }
}

.about-section p {
  color: var(--color-on-surface-secondary);
  line-height: 1.8;
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-lg);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-3xl);
}

.value-card {
  padding: var(--spacing-2xl);
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
}

.value-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.value-card:hover::before {
  transform: scaleX(1);
}

.value-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-5px);
  box-shadow: var(--shadow-level-1);
}

.value-card h3 {
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-xl);
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
}

.value-card p {
  color: var(--color-on-surface-secondary);
  line-height: 1.7;
  font-size: var(--font-size-base);
}

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

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

@keyframes gridPulse {
  0%, 100% {
    opacity: 0.15;
  }
  50% {
    opacity: 0.25;
  }
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 991px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-3xl);
  }
  
  .hero-visual {
    height: 300px;
  }
  
  .stats-container {
    grid-template-columns: auto 1px auto;
    gap: var(--spacing-2xl);
  }
  
  .stat-item:nth-child(5),
  .stat-item:nth-child(6),
  .stat-item:nth-child(7),
  .stat-divider:nth-child(4),
  .stat-divider:nth-child(6) {
    display: none;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
  }
  
  .footer-brand {
    grid-column: span 2;
    text-align: center;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-3xl);
  }
  
  .solutions-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  }
}

@media (max-width: 767px) {
  .navigation-desktop-menu {
    display: none;
  }
  
  .navigation-mobile-toggle {
    display: flex;
  }
  
  .hero-section {
    padding: calc(80px + var(--spacing-2xl)) var(--spacing-lg) var(--spacing-2xl);
  }
  
  .hero-title {
    font-size: var(--font-size-3xl);
  }
  
  .stats-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  
  .stat-divider {
    display: none;
  }
  
  .features-grid,
  .products-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }
  
  .footer-brand {
    grid-column: span 1;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: var(--spacing-lg);
    text-align: center;
  }
  
  .footer-bottom-links {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .page-header {
    padding: calc(80px + var(--spacing-2xl)) var(--spacing-lg) var(--spacing-2xl);
  }
  
  .page-title {
    font-size: var(--font-size-3xl);
  }
  
  .filter-section {
    padding: var(--spacing-lg);
  }
  
  .filter-container {
    gap: var(--spacing-sm);
  }
  
  .solutions-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-form-wrapper {
    padding: var(--spacing-2xl);
  }
  
  .about-content {
    padding: var(--spacing-2xl) var(--spacing-lg);
  }
}

@media (max-width: 479px) {
  .footer-input-group {
    flex-direction: column;
    gap: var(--spacing-sm);
    padding: 0;
    background: transparent;
    border: none;
  }
  
  .footer-input {
    border: 1px solid var(--color-border);
    background: var(--color-surface-elevated);
    border-radius: var(--border-radius-md);
  }
  
  .footer-submit-btn {
    width: 100%;
  }
  
  .hero-actions,
  .cta-actions {
    flex-direction: column;
  }
  
  .btn-lg {
    width: 100%;
  }
}

/* ===== SCROLL BEHAVIOR ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}