/* Enhanced Alumni Management Platform Styles - Complete Version */

:root {
  /* Primary Colors */
  --primary-50: #eff6ff;
  --primary-100: #dbeafe;
  --primary-200: #bfdbfe;
  --primary-300: #93c5fd;
  --primary-400: #60a5fa;
  --primary-500: #3b82f6;
  --primary-600: #2563eb;
  --primary-700: #1d4ed8;
  --primary-800: #1e40af;
  --primary-900: #1e3a8a;

  /* Secondary Colors */
  --secondary-50: #f0fdf4;
  --secondary-100: #dcfce7;
  --secondary-200: #bbf7d0;
  --secondary-300: #86efac;
  --secondary-400: #4ade80;
  --secondary-500: #22c55e;
  --secondary-600: #16a34a;
  --secondary-700: #15803d;
  --secondary-800: #166534;
  --secondary-900: #14532d;

  /* Accent Colors */
  --accent-50: #fff7ed;
  --accent-100: #ffedd5;
  --accent-200: #fed7aa;
  --accent-300: #fdba74;
  --accent-400: #fb923c;
  --accent-500: #f97316;
  --accent-600: #ea580c;
  --accent-700: #c2410c;
  --accent-800: #9a3412;
  --accent-900: #7c2d12;

  /* Gray Scale */
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;

  /* Status Colors */
  --success-500: #10b981;
  --warning-500: #f59e0b;
  --error-500: #ef4444;
  --info-500: #3b82f6;

  /* Theme Variables */
  --bg-primary: #ffffff;
  --bg-secondary: var(--gray-50);
  --bg-tertiary: var(--gray-100);
  --text-primary: var(--gray-900);
  --text-secondary: var(--gray-600);
  --text-tertiary: var(--gray-500);
  --border-color: var(--gray-200);
  --border-light: var(--gray-100);
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-3xl: 1.5rem;

  /* Typography */
  --font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  transition: all var(--transition-normal);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
}

/* Enhanced Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-sm);
  font-weight: 500;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  min-height: 40px;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left var(--transition-normal);
}

.btn:hover::before {
  left: 100%;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn:disabled::before {
  display: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--primary-700), var(--primary-800));
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover:not(:disabled) {
  background: var(--bg-secondary);
  border-color: var(--primary-300);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-sm {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-xs);
  min-height: 32px;
}

.btn-large {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: var(--font-size-lg);
  min-height: 48px;
}

.cta-btn {
  background: linear-gradient(135deg, #ffffff, #f8fafc);
  color: var(--primary-700);
  border: 2px solid rgba(255, 255, 255, 0.2);
  font-weight: 600;
}

.cta-btn:hover {
  background: linear-gradient(135deg, #f8fafc, #ffffff);
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* Landing Page Styles */
.landing-body {
  background: linear-gradient(135deg, var(--primary-50) 0%, var(--secondary-50) 100%);
  min-height: 100vh;
}

.landing-container {
  min-height: 100vh;
}

.landing-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-light);
  transition: all var(--transition-normal);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg) var(--spacing-xl);
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  text-decoration: none;
  cursor: pointer;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--font-size-xl);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-fast);
}

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

.logo-text {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-primary);
}

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

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: all var(--transition-fast);
  position: relative;
  cursor: pointer;
}

.nav-link:hover {
  color: var(--primary-600);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-600);
  transition: width var(--transition-fast);
}

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

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: var(--font-size-xl);
  color: var(--text-primary);
  cursor: pointer;
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.mobile-menu-toggle:hover {
  background-color: var(--bg-secondary);
}

/* Hero Section */
.hero-section {
  position: relative;
  padding: 120px var(--spacing-xl) var(--spacing-2xl);
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: -1;
}

.hero-particles {
  position: absolute;
  width: 100%;
  height: 100%;
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: var(--primary-100);
  color: var(--primary-800);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-3xl);
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-bottom: var(--spacing-xl);
  border: 1px solid var(--primary-200);
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary-600), var(--secondary-600));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-2xl);
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.hero-stats {
  display: flex;
  gap: var(--spacing-2xl);
}

.stat-item {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--primary-600);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

/* Hero Visual */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-dashboard {
  position: relative;
  transform: perspective(1000px) rotateY(-15deg) rotateX(10deg);
  transition: transform var(--transition-slow);
}

.hero-dashboard:hover {
  transform: perspective(1000px) rotateY(-10deg) rotateX(5deg) scale(1.05);
}

.dashboard-mockup {
  background: var(--bg-primary);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
  overflow: hidden;
  width: 400px;
  border: 1px solid var(--border-light);
}

.mockup-header {
  background: var(--bg-tertiary);
  padding: var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
}

.mockup-dots {
  display: flex;
  gap: var(--spacing-xs);
}

.mockup-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.mockup-dots span:nth-child(1) { background: #ff5f57; }
.mockup-dots span:nth-child(2) { background: #ffbd2e; }
.mockup-dots span:nth-child(3) { background: #28ca42; }

.mockup-title {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-secondary);
}

.mockup-content {
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.mockup-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  transition: all var(--transition-fast);
}

.mockup-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.mockup-card .card-icon {
  font-size: var(--font-size-xl);
}

.card-info h4 {
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-xs);
}

.card-info span {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--primary-600);
}

/* Enhanced Sections */
.features-section, .about-section {
  padding: var(--spacing-3xl) var(--spacing-xl);
  background: var(--bg-primary);
}

.stats-section {
  padding: var(--spacing-3xl) var(--spacing-xl);
  background: var(--bg-secondary);
}

.section-container {
  max-width: 1200px;
  margin: 0 auto;
}

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

.section-badge {
  display: inline-block;
  background: var(--primary-100);
  color: var(--primary-800);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-3xl);
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-bottom: var(--spacing-lg);
  border: 1px solid var(--primary-200);
}

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
}

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

/* Enhanced Feature Cards */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-xl);
}

.feature-card {
  position: relative;
  background: var(--bg-primary);
  border: 2px solid var(--border-light);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-2xl);
  text-align: center;
  transition: all var(--transition-normal);
  cursor: pointer;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--primary-50), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-200);
}

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

.feature-card.featured {
  border-color: var(--primary-500);
  background: linear-gradient(135deg, var(--primary-50), var(--bg-primary));
}

.feature-badge {
  position: absolute;
  top: -10px;
  right: var(--spacing-lg);
  background: var(--primary-600);
  color: white;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  font-weight: 500;
  box-shadow: var(--shadow-md);
}

.feature-icon {
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, var(--primary-100), var(--primary-200));
  border-radius: var(--radius-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-lg);
  font-size: var(--font-size-2xl);
  color: var(--primary-600);
  transition: all var(--transition-normal);
  position: relative;
  z-index: 1;
}

.feature-card:hover .feature-icon {
  background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
  color: white;
  transform: scale(1.1);
  box-shadow: var(--shadow-lg);
}

.feature-card h3 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
  position: relative;
  z-index: 1;
}

.feature-card p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  position: relative;
  z-index: 1;
}

.feature-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  justify-content: center;
  margin-bottom: var(--spacing-lg);
}

.feature-highlights span {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  font-weight: 500;
  border: 1px solid var(--border-color);
}

/* Enhanced Stats Section */
.stats-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.stats-text h2 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
}

.stats-text p {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-2xl);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.stat-card {
  background: var(--bg-primary);
  border: 2px solid var(--border-light);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-xl);
  text-align: center;
  transition: all var(--transition-normal);
  cursor: pointer;
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-200);
}

.stat-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary-100), var(--primary-200));
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-md);
  font-size: var(--font-size-xl);
  color: var(--primary-600);
  transition: all var(--transition-normal);
}

.stat-card:hover .stat-icon {
  background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
  color: white;
  transform: scale(1.1);
}

.mt-4 {
  margin-top: var(--spacing-xl);
}

/* Enhanced About Section */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

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

.about-feature {
  display: flex;
  gap: var(--spacing-lg);
  align-items: flex-start;
}

.feature-check {
  width: 24px;
  height: 24px;
  background: var(--success-500);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--font-size-sm);
  flex-shrink: 0;
}

.feature-text h4 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

.feature-text p {
  color: var(--text-secondary);
  margin-bottom: 0;
}

.about-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.about-image img {
  width: 100%;
  max-width: 500px;
  height: auto;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  transition: transform var(--transition-slow);
}

.about-image img:hover {
  transform: scale(1.05);
}

/* Enhanced CTA Section */
.cta-section {
  padding: var(--spacing-3xl) var(--spacing-xl);
  background: linear-gradient(135deg, var(--primary-600), var(--secondary-600));
  color: white;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
}

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

.cta-text h2 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  color: white;
}

.cta-text p {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-2xl);
  color: rgba(255, 255, 255, 0.9);
}

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

.cta-note {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.8);
}

/* Enhanced Footer */
.landing-footer {
  background: var(--gray-900);
  color: var(--gray-300);
  padding: var(--spacing-3xl) var(--spacing-xl) var(--spacing-xl);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
}

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

.footer-brand .logo {
  margin-bottom: var(--spacing-lg);
}

.footer-brand .logo-text {
  color: white;
}

.footer-description {
  color: var(--gray-400);
  margin-bottom: var(--spacing-lg);
}

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

.social-link {
  width: 40px;
  height: 40px;
  background: var(--gray-800);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.social-link:hover {
  background: var(--primary-600);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.footer-section h4 {
  color: white;
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
}

.footer-section ul {
  list-style: none;
}

.footer-section li {
  margin-bottom: var(--spacing-sm);
}

.footer-section a {
  color: var(--gray-400);
  text-decoration: none;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.footer-section a:hover {
  color: var(--primary-400);
  padding-left: var(--spacing-xs);
}

.footer-bottom {
  border-top: 1px solid var(--gray-800);
  padding-top: var(--spacing-xl);
}

.footer-bottom-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.footer-bottom-links a {
  color: var(--gray-400);
  text-decoration: none;
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
  cursor: pointer;
}

.footer-bottom-links a:hover {
  color: var(--primary-400);
}

/* ENHANCED CHATBOT STYLES */
.chatbot-container {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 1000;
  font-family: var(--font-family);
}

.chatbot-toggle {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
  color: white;
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-3xl);
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-xl);
  border: none;
  font-size: var(--font-size-base);
  font-weight: 600;
  position: relative;
  overflow: hidden;
}

.chatbot-toggle:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 20px 40px rgba(37, 99, 235, 0.3);
}

.chatbot-toggle.hidden {
  display: none;
}

.chatbot-badge {
  background: rgba(255, 255, 255, 0.25);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.chatbot-pulse {
  position: absolute;
  top: -2px;
  right: -2px;
  width: 12px;
  height: 12px;
  background: #22c55e;
  border-radius: 50%;
  border: 2px solid white;
}

.chatbot-window {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 420px;
  height: 600px;
  background: var(--bg-primary);
  border-radius: var(--radius-2xl);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
  border: 1px solid var(--border-color);
  display: none;
  flex-direction: column;
  overflow: hidden;
  transform: translateY(20px) scale(0.95);
  opacity: 0;
  transition: all var(--transition-normal);
}

.chatbot-window.open {
  display: flex;
  transform: translateY(0) scale(1);
  opacity: 1;
}

.chatbot-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-xl);
  background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
  color: white;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.chatbot-title {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.chatbot-avatar {
  width: 42px;
  height: 42px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.chatbot-info {
  display: flex;
  flex-direction: column;
}

.chatbot-name {
  font-weight: 600;
  font-size: var(--font-size-lg);
}

.chatbot-status {
  font-size: var(--font-size-xs);
  opacity: 0.8;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.chatbot-status::before {
  content: '';
  width: 6px;
  height: 6px;
  background: #22c55e;
  border-radius: 50%;
  display: inline-block;
}

.chatbot-controls {
  display: flex;
  gap: var(--spacing-sm);
}

.chatbot-minimize, .chatbot-close {
  width: 32px;
  height: 32px;
  background: rgba(255, 255, 255, 0.2);
  border: none;
  border-radius: var(--radius-lg);
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  font-size: var(--font-size-sm);
}

.chatbot-minimize:hover, .chatbot-close:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.1);
}

.chatbot-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.chatbot-messages {
  flex: 1;
  padding: var(--spacing-xl);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  background: linear-gradient(135deg, #f8fafc, #f1f5f9);
  scrollbar-width: thin;
  scrollbar-color: var(--primary-300) transparent;
}

.chatbot-messages::-webkit-scrollbar {
  width: 6px;
}

.chatbot-messages::-webkit-scrollbar-track {
  background: transparent;
}

.chatbot-messages::-webkit-scrollbar-thumb {
  background: var(--primary-300);
  border-radius: var(--radius-lg);
}

.chatbot-messages::-webkit-scrollbar-thumb:hover {
  background: var(--primary-400);
}

.message {
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-start;
  max-width: 85%;
}

.message.user-message {
  flex-direction: row-reverse;
  margin-left: auto;
}

.message-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--font-size-sm);
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.message.bot-message .message-avatar {
  background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
}

.message.user-message .message-avatar {
  background: linear-gradient(135deg, var(--secondary-600), var(--secondary-700));
}

.message-content {
  background: white;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  position: relative;
  word-wrap: break-word;
}

.message.user-message .message-content {
  background: linear-gradient(135deg, var(--primary-50), var(--primary-100));
  border-color: var(--primary-200);
}

.message-content p {
  margin: 0;
  color: var(--text-primary);
  line-height: 1.5;
  white-space: pre-wrap;
}

.message-time {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
  margin-top: var(--spacing-xs);
  text-align: right;
}

.message.user-message .message-time {
  text-align: left;
}

.chatbot-suggestions {
  background: white;
  border-top: 1px solid var(--border-light);
  padding: var(--spacing-lg) var(--spacing-xl);
}

.suggestion-header {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.suggestion-header::before {
  content: '💡';
  font-size: var(--font-size-base);
}

.chatbot-quick-questions {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-sm);
}

.quick-question {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-xs);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid var(--border-color);
  text-align: left;
  border: none;
  font-family: inherit;
}

.quick-question:hover {
  background: var(--primary-100);
  color: var(--primary-700);
  border-color: var(--primary-200);
  transform: translateY(-1px);
}

.quick-question i {
  font-size: var(--font-size-xs);
  opacity: 0.7;
}

.chatbot-input {
  background: white;
  border-top: 1px solid var(--border-light);
  padding: var(--spacing-lg) var(--spacing-xl);
}

.input-container {
  display: flex;
  gap: var(--spacing-sm);
  align-items: flex-end;
}

.chatbot-input input {
  flex: 1;
  padding: var(--spacing-md) var(--spacing-lg);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-xl);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  outline: none;
  transition: all var(--transition-fast);
  resize: none;
  min-height: 44px;
  max-height: 120px;
}

.chatbot-input input:focus {
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.chatbot-input button {
  width: 44px;
  height: 44px;
  background: var(--primary-600);
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-md);
}

.chatbot-input button:hover {
  background: var(--primary-700);
  transform: scale(1.05);
  box-shadow: var(--shadow-lg);
}

.typing-indicator {
  display: none;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) 0;
  color: var(--text-tertiary);
  font-size: var(--font-size-xs);
}

.typing-indicator.show {
  display: flex;
}

.typing-indicator span {
  width: 6px;
  height: 6px;
  background: var(--primary-400);
  border-radius: 50%;
  animation: typing 1.4s ease-in-out infinite both;
}

.typing-indicator span:nth-child(1) { animation-delay: -0.32s; }
.typing-indicator span:nth-child(2) { animation-delay: -0.16s; }

@keyframes typing {
  0%, 80%, 100% {
    transform: scale(0.8);
    opacity: 0.5;
  }
  40% {
    transform: scale(1.2);
    opacity: 1;
  }
}

/* Enhanced Notifications */
.notification {
  position: fixed;
  top: 30px;
  right: 30px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-2xl);
  z-index: 1001;
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  max-width: 420px;
  min-width: 300px;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
}

.notification.show {
  transform: translateX(0);
}

.notification.success { border-left: 4px solid var(--success-500); }
.notification.error { border-left: 4px solid var(--error-500); }
.notification.warning { border-left: 4px solid var(--warning-500); }
.notification.info { border-left: 4px solid var(--info-500); }

.notification.detailed {
  flex-direction: column;
  align-items: flex-start;
}

.notification-content {
  flex: 1;
}

.notification-content strong {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
}

.notification-content p {
  margin: 0;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.notification-close {
  background: none;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
  padding: var(--spacing-xs);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.notification-close:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

/* Enhanced Modal Styles */
.demo-modal, .report-modal, .legal-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.demo-modal.show, .report-modal.show, .legal-modal.show {
  opacity: 1;
  visibility: visible;
}

.demo-modal-content, .report-modal-content, .legal-modal-content {
  background: var(--bg-primary);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-2xl);
  max-width: 600px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  transform: scale(0.9);
  transition: transform var(--transition-normal);
}

.demo-modal.show .demo-modal-content,
.report-modal.show .report-modal-content,
.legal-modal.show .legal-modal-content {
  transform: scale(1);
}

.demo-header, .report-header, .legal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--border-light);
}

.demo-close, .report-close, .legal-close {
  background: none;
  border: none;
  font-size: var(--font-size-2xl);
  color: var(--text-tertiary);
  cursor: pointer;
  padding: var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.demo-close:hover, .report-close:hover, .legal-close:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.demo-video {
  margin-bottom: var(--spacing-xl);
}

.demo-placeholder {
  background: linear-gradient(135deg, var(--primary-50), var(--secondary-50));
  border-radius: var(--radius-xl);
  padding: var(--spacing-3xl);
  text-align: center;
  border: 2px dashed var(--primary-200);
}

.demo-placeholder i {
  font-size: 4rem;
  color: var(--primary-500);
  margin-bottom: var(--spacing-lg);
}

.demo-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.demo-feature {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: white;
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
}

.demo-feature i {
  color: var(--primary-600);
}

.demo-actions, .report-actions, .legal-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: flex-end;
  margin-top: var(--spacing-xl);
}

.report-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.report-stat {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: var(--bg-secondary);
  border-radius: var(--radius-xl);
}

.report-stat .stat-icon {
  width: 48px;
  height: 48px;
  background: var(--primary-100);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-600);
}

.report-stat .stat-details h4 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin: 0;
  color: var(--primary-600);
}

.report-stat .stat-details p {
  margin: 0;
  font-weight: 500;
  color: var(--text-primary);
}

.report-stat .stat-details small {
  color: var(--success-500);
  font-weight: 500;
}

.report-highlights {
  background: var(--bg-secondary);
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
}

.report-highlights h4 {
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
}

.report-highlights ul {
  list-style: none;
  padding: 0;
}

.report-highlights li {
  padding: var(--spacing-sm) 0;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
  from { transform: translateX(-100%); }
  to { transform: translateX(0); }
}

@keyframes float {
  0%, 100% { 
    transform: translateY(0px) translateX(0px) rotate(0deg); 
    opacity: 0.3;
  }
  25% { 
    transform: translateY(-20px) translateX(10px) rotate(90deg); 
    opacity: 0.6;
  }
  50% { 
    transform: translateY(-10px) translateX(-15px) rotate(180deg); 
    opacity: 0.4;
  }
  75% { 
    transform: translateY(-15px) translateX(5px) rotate(270deg); 
    opacity: 0.5;
  }
}

.animate-fade-in {
  animation: fadeIn 0.6s ease-out;
}

.animate-slide-in {
  animation: slideIn 0.4s ease-out;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-visual {
    order: -1;
  }

  .stats-content, .about-content {
    grid-template-columns: 1fr;
  }

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

  .chatbot-window {
    width: 380px;
    height: 550px;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .nav-links.active {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    flex-direction: column;
    gap: var(--spacing-md);
    box-shadow: var(--shadow-lg);
    animation: slideDown 0.3s ease-out;
  }

  .mobile-menu-toggle {
    display: block;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--spacing-lg);
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }

  .footer-bottom-content {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }

  .chatbot-window {
    width: 350px;
    height: 500px;
  }

  .chatbot-container {
    bottom: 20px;
    right: 20px;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .chatbot-quick-questions {
    grid-template-columns: 1fr;
  }

  .demo-features, .report-stats {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .chatbot-window {
    width: 320px;
    height: 450px;
  }

  .dashboard-mockup {
    width: 320px;
  }

  .notification {
    max-width: 300px;
    right: 15px;
    top: 15px;
  }
}

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

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-center { justify-content: center; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.m-sm { margin: var(--spacing-sm); }
.m-md { margin: var(--spacing-md); }
.m-lg { margin: var(--spacing-lg); }