/* ============================================
   RAPTOR WEBSITE - PROFESSIONAL CSS
   Modern Design System with Advanced Interactions
   ============================================ */

:root {
  /* Primary Colors */
  --primary: #059669;
  --primary-light: #10B981;
  --primary-dark: #047857;
  --primary-50: rgba(5, 150, 105, 0.05);
  --primary-100: rgba(5, 150, 105, 0.1);
  
  /* Background Colors */
  --bg-primary: #F3F4F6;
  --bg-secondary: #FFFFFF;
  --bg-surface: #F9FAFB;
  --bg-glass: rgba(255, 255, 255, 0.8);
  
  /* Text Colors */
  --text-primary: #1F2937;
  --text-secondary: #6B7280;
  --text-tertiary: #9CA3AF;
  
  /* Status Colors */
  --success: #10B981;
  --error: #EF4444;
  --warning: #F59E0B;
  --info: #3B82F6;
  
  /* Module Colors */
  --module-visual: #059669;
  --module-grounding: #F59E0B;
  --module-lightning: #8B5CF6;
  --module-generator: #EF4444;
  --module-fire: #DC2626;
  
  /* Border & Divider */
  --border: #E5E7EB;
  --divider: #F3F4F6;
  
  /* Shadows - Enhanced */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.03);
  --shadow-sm: 0 2px 4px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 8px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 20px -5px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 20px 30px -8px rgba(0, 0, 0, 0.15);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-primary: 0 8px 24px -4px rgba(5, 150, 105, 0.3);
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
  
  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-sans);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  line-height: 1.6;
  overflow-x: hidden;
  font-size: 16px;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

/* Selection */
::selection {
  background-color: var(--primary-100);
  color: var(--primary-dark);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-surface);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-tertiary);
}

/* ============================================
   CONTAINER
   ============================================ */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* ============================================
   NAVIGATION - Enhanced
   ============================================ */

.navbar {
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  transition: var(--transition);
  border-bottom: 1px solid rgba(229, 231, 235, 0.5);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
  background: rgba(255, 255, 255, 0.95);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  transition: var(--transition-fast);
}

.nav-brand:hover {
  transform: translateY(-1px);
}

.logo {
  height: 40px;
  width: auto;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.brand-name {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

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

.nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition-fast);
  position: relative;
  padding: var(--spacing-xs) 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
  transition: var(--transition-fast);
  border-radius: var(--radius-full);
}

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

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

.nav-link.active {
  color: var(--primary);
  font-weight: 600;
}

.nav-link.active::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.nav-toggle:hover {
  background: var(--bg-surface);
}

.nav-toggle span {
  width: 25px;
  height: 2.5px;
  background: var(--text-primary);
  border-radius: var(--radius-full);
  transition: var(--transition-fast);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* ============================================
   BUTTONS - Professional
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-align: center;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: white;
  box-shadow: var(--shadow-primary);
  border: 2px solid transparent;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px -6px rgba(5, 150, 105, 0.4);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--primary);
  border: 2px solid var(--primary);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--primary);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-primary);
}

.btn-light {
  background: white;
  color: var(--primary);
  box-shadow: var(--shadow-md);
  border: 2px solid transparent;
}

.btn-light:hover {
  background: var(--bg-surface);
  border-color: var(--border);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 2px solid var(--border);
}

.btn-ghost:hover {
  background: var(--bg-surface);
  border-color: var(--primary);
  color: var(--primary);
}

.btn-block {
  width: 100%;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* ============================================
   HERO SECTION - Premium
   ============================================ */

.hero {
  background: linear-gradient(135deg, #F9FAFB 0%, #FFFFFF 50%, #F3F4F6 100%);
  padding: var(--spacing-3xl) 0 var(--spacing-2xl);
  min-height: 92vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--primary-50) 0%, transparent 70%);
  border-radius: 50%;
  animation: pulse 8s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.05) 0%, transparent 70%);
  border-radius: 50%;
  animation: pulse 10s ease-in-out infinite reverse;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--primary-50);
  border: 1px solid var(--primary-100);
  border-radius: var(--radius-full);
  color: var(--primary-dark);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  animation: slideInDown 0.6s cubic-bezier(0.4, 0, 0.2, 1) 0.2s both;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.highlight {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  display: inline-block;
}

.highlight::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 12px;
  background: var(--primary-50);
  z-index: -1;
  border-radius: var(--radius-sm);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  line-height: 1.8;
  max-width: 540px;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.4s both;
}

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeInRight 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.3s both;
  position: relative;
}

/* Android Device Frame */
.android-device {
  width: 340px;
  height: 680px;
  background: #1F2937;
  border-radius: 48px;
  padding: 14px;
  box-shadow: 
    0 0 0 2px #374151,
    0 0 0 4px #1F2937,
    var(--shadow-2xl);
  position: relative;
  animation: float 6s ease-in-out infinite;
  transform-style: preserve-3d;
}

.android-device::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 120%;
  height: 120%;
  background: radial-gradient(circle, var(--primary-100) 0%, transparent 70%);
  border-radius: 50%;
  z-index: -1;
  animation: pulse 4s ease-in-out infinite;
}

/* Power button */
.android-device::after {
  content: '';
  position: absolute;
  right: -3px;
  top: 120px;
  width: 3px;
  height: 60px;
  background: #374151;
  border-radius: 0 2px 2px 0;
}

.android-screen {
  width: 100%;
  height: 100%;
  background: #000000;
  border-radius: 36px;
  overflow: hidden;
  position: relative;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.1);
}

/* Android Status Bar - Hidden, screenshot includes it */
.android-statusbar {
  display: none;
}

/* Android Content Area - App Screenshot */
.android-content {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
  background: #000000;
}

.app-screenshot {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  display: block;
}

/* Android Navigation Bar - Hidden, screenshot includes it */
.android-navbar {
  display: none;
}

/* ============================================
   SECTION HEADERS
   ============================================ */

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ============================================
   FEATURES SECTION - Modern Cards
   ============================================ */

.features {
  padding: var(--spacing-3xl) 0;
  background: white;
  position: relative;
}

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

.feature-card {
  background: var(--bg-surface);
  padding: var(--spacing-xl);
  border-radius: var(--radius-2xl);
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-100);
  background: white;
}

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

.feature-icon {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  color: white;
  font-size: 2rem;
  position: relative;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

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

.feature-title {
  font-size: 1.375rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.feature-description {
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 1rem;
}

/* ============================================
   MODULES SECTION - Premium Cards
   ============================================ */

.modules {
  padding: var(--spacing-3xl) 0;
  background: var(--bg-primary);
  position: relative;
}

.modules-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: var(--spacing-xl);
}

.module-card {
  background: white;
  padding: var(--spacing-xl);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.module-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

.module-card:hover {
  transform: translateY(-12px) scale(1.02);
  box-shadow: var(--shadow-2xl);
  border-color: var(--primary-100);
}

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

.module-icon {
  width: 88px;
  height: 88px;
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  color: white;
  font-size: 2.5rem;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
  position: relative;
}

.module-icon::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: var(--radius-xl);
  background: inherit;
  opacity: 0.2;
  filter: blur(12px);
  z-index: -1;
}

.module-card:hover .module-icon {
  transform: scale(1.1) rotate(-5deg);
  box-shadow: var(--shadow-xl);
}

.module-title {
  font-size: 1.625rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.module-description {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.7;
  font-size: 1rem;
}

.module-features {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.module-features li {
  display: flex;
  align-items: flex-start;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  padding-left: var(--spacing-xs);
}

.module-features li::before {
  content: '✓';
  color: var(--primary);
  font-weight: 700;
  margin-right: var(--spacing-sm);
  font-size: 1.25rem;
  flex-shrink: 0;
}

/* ============================================
   BENEFITS SECTION
   ============================================ */

.benefits {
  padding: var(--spacing-2xl) 0;
  background: white;
}

.benefits-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.benefits-text .section-title {
  text-align: left;
  margin-bottom: var(--spacing-xl);
}

.benefit-item {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

.benefit-item:hover {
  background: var(--bg-surface);
}

.benefit-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  opacity: 0.3;
  min-width: 60px;
}

.benefit-info h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

.benefit-info p {
  color: var(--text-secondary);
  line-height: 1.7;
}

.benefits-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

.stat-card {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  text-align: center;
  color: white;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
}

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

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  font-size: 1rem;
  opacity: 0.9;
}

/* ============================================
   CTA SECTION - Gradient Premium
   ============================================ */

.cta {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 50%, var(--primary) 100%);
  padding: var(--spacing-3xl) 0;
  text-align: center;
  color: white;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  animation: rotate 20s linear infinite;
}

.cta-content {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.cta-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.cta-subtitle {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xl);
  opacity: 0.95;
  line-height: 1.7;
}

.cta .btn-light {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.cta .btn-light:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}

/* ============================================
   CONTACT SECTION - Modern Form
   ============================================ */

.contact {
  padding: var(--spacing-3xl) 0;
  background: var(--bg-primary);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-xl);
}

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

.contact-item {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 2px solid transparent;
}

.contact-item:hover {
  transform: translateX(8px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-100);
}

.contact-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  flex-shrink: 0;
  font-size: 1.5rem;
  box-shadow: var(--shadow-md);
}

.contact-item h4 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

.contact-item p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.contact-form {
  background: white;
  padding: var(--spacing-2xl);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
}

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

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-md);
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  font-size: 1rem;
  font-family: inherit;
  transition: var(--transition-fast);
  background: var(--bg-surface);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: white;
  box-shadow: 0 0 0 4px var(--primary-50);
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-tertiary);
}

/* ============================================
   FOOTER - Premium
   ============================================ */

.footer {
  background: linear-gradient(180deg, var(--text-primary) 0%, #111827 100%);
  color: white;
  padding: var(--spacing-3xl) 0 var(--spacing-lg);
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--primary) 50%, transparent 100%);
}

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

.footer-brand {
  max-width: 320px;
}

.footer-logo-box {
  width: 120px;
  height: 120px;
  background: white;
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
}

.footer-logo-box:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.footer-logo {
  width: 100%;
  height: auto;
  filter: none;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
}

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

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-social a:hover {
  background: var(--primary);
  border-color: var(--primary);
  transform: translateY(-2px);
}

.footer-links h4 {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-md);
  color: white;
  font-weight: 700;
}

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

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition-fast);
  display: inline-flex;
  align-items: center;
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: var(--primary-light);
  transform: translateX(4px);
}

.footer-bottom {
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
}

/* ============================================
   ANIMATIONS - Professional
   ============================================ */

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

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

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

@keyframes float {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  25% {
    transform: translateY(-15px) rotate(1deg);
  }
  50% {
    transform: translateY(-20px) rotate(0deg);
  }
  75% {
    transform: translateY(-15px) rotate(-1deg);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.8;
    transform: scale(1.05);
  }
}

@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

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

/* Scroll reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: var(--transition-slow);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .hero-image {
    order: -1;
  }
  
  .benefits-content {
    grid-template-columns: 1fr;
  }
  
  .contact-content {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background: white;
    width: 100%;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-lg) 0;
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .android-device {
    width: 280px;
    height: 560px;
  }
  
  .modules-grid {
    grid-template-columns: 1fr;
  }
  
  .benefits-stats {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }
  
  .btn {
    width: 100%;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
}