/* Landing Page Specific Styles */
:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #8b5cf6;
  --secondary: #ec4899;
  --accent: #f59e0b;
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  --text: #1f2937;
  --text-light: #6b7280;
  --text-lighter: #9ca3af;
  --background: #f8fafc;
  --surface: #ffffff;
  --surface-dark: #f1f5f9;
  --border: #e5e7eb;
  --border-light: #f3f4f6;
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--background);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.landing-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
}

.landing-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 18px;
}

.logo {
  font-size: 24px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--text), var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  color: var(--text-light);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  padding: 8px 16px;
  border-radius: var(--radius);
}

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

.login-btn {
  background: var(--primary);
  color: white !important;
  display: flex;
  align-items: center;
  gap: 8px;
}

.login-btn:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Hero Section */
.hero {
  padding: 125px 0 100px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  position: relative;
  overflow: hidden;
}

.hero::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%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
}

.gradient-text {
  background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  opacity: 0.9;
  margin-bottom: 40px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 60px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  font-size: 16px;
}

.btn-primary {
  background: white;
  color: var(--primary);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: white;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn-large {
  padding: 18px 36px;
  font-size: 18px;
}

.hero-stats {
  display: flex;
  gap: 40px;
}

.stat {
  text-align: center;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.875rem;
  opacity: 0.8;
}

.hero-visual {
  position: relative;
  height: 400px;
}

.floating-cards {
  position: relative;
  height: 100%;
}

.floating-card {
  position: absolute;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  padding: 20px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: white;
}

.floating-card i {
  font-size: 24px;
}

.floating-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.card-1 {
  top: 20%;
  left: 10%;
  animation: float 6s ease-in-out infinite;
}

.card-2 {
  top: 50%;
  right: 10%;
  animation: float 6s ease-in-out infinite 2s;
}

.card-3 {
  bottom: 20%;
  left: 30%;
  animation: float 6s ease-in-out infinite 4s;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* Features Section */
.features {
  padding: 100px 0;
  background: var(--surface);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text);
}

.section-header p {
  font-size: 1.125rem;
  color: var(--text-light);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 32px;
}

.feature-card {
  background: var(--surface);
  padding: 40px 32px;
  border-radius: var(--radius-lg);
  text-align: center;
  transition: var(--transition);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

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

.feature-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  color: white;
  font-size: 32px;
}

.feature-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text);
}

.feature-card p {
  color: var(--text-light);
  line-height: 1.6;
}

/* How It Works */
.how-it-works {
  padding: 100px 0;
  background: var(--background);
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
  max-width: 1000px;
  margin: 0 auto;
}

.step {
  display: flex;
  align-items: flex-start;
  gap: 20px;
}

.step-number {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  font-weight: 700;
  flex-shrink: 0;
}

.step-content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}

.step-content p {
  color: var(--text-light);
  line-height: 1.6;
}

/* CTA Section */
.cta {
  padding: 100px 0;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  text-align: center;
}

.cta-content h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.cta-content p {
  font-size: 1.125rem;
  opacity: 0.9;
  margin-bottom: 40px;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
}

/* Footer */
.footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 60px 0 30px;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
  margin-bottom: 40px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-brand .logo-icon {
  width: 48px;
  height: 48px;
  font-size: 20px;
}

.footer-brand h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
}

.footer-brand p {
  color: var(--text-light);
  line-height: 1.6;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.footer-column h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text);
}

.footer-column a {
  display: block;
  color: var(--text-light);
  text-decoration: none;
  margin-bottom: 12px;
  transition: var(--transition);
}

.footer-column a:hover {
  color: var(--primary);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 30px;
  border-top: 1px solid var(--border);
}

.footer-bottom p {
  color: var(--text-light);
  font-size: 14px;
}

.social-links {
  display: flex;
  gap: 16px;
}

.social-links a {
  width: 40px;
  height: 40px;
  background: var(--surface-dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  text-decoration: none;
  transition: var(--transition);
}

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

/* Responsive Design */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  
  .hero-title {
    font-size: 3rem;
  }
  
  .hero-stats {
    justify-content: center;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }
  
  .nav-links {
    display: none;
  }
  
  .hero {
    padding: 120px 0 60px;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: 24px;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .steps {
    grid-template-columns: 1fr;
  }
  
  .cta-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .footer-links {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1.125rem;
  }
  
  .section-header h2 {
    font-size: 2rem;
  }
}

/* Enhanced User Cards */
.user-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    animation: cardSlideIn 0.6s ease-out;
}

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

.user-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

@keyframes cardSlideIn {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.user-card-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.user-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary-light);
    transition: transform 0.3s ease;
}

.user-card:hover .user-avatar {
    transform: scale(1.1);
}

.user-info {
    flex: 1;
}

.user-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 4px;
}

.user-location {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-light);
    font-size: 0.875rem;
}

.user-location i {
    color: var(--primary);
}

.user-rating {
    display: flex;
    align-items: center;
    gap: 4px;
    color: var(--warning);
    font-weight: 500;
}

.skills-section {
    margin: 20px 0;
}

.skills-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.skills-container {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.skill-tag {
    background: var(--primary-light);
    color: white;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.skill-tag:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.requested-skill {
    background: var(--secondary);
}

.user-card-actions {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.btn-view-profile, .btn-swap {
    flex: 1;
    padding: 10px 16px;
    border-radius: var(--radius);
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.btn-view-profile {
    background: var(--surface-dark);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-view-profile:hover {
    background: var(--border);
    transform: translateY(-2px);
}

.btn-swap {
    background: var(--primary);
    color: white;
}

.btn-swap:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Enhanced Search Bar */
.search-container {
    position: relative;
    max-width: 500px;
    margin: 0 auto 40px;
}

.search-input {
    width: 100%;
    padding: 16px 50px 16px 20px;
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    background: var(--surface);
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
    transform: translateY(-2px);
}

.search-btn {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.search-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-50%) scale(1.1);
}

/* Search Results Info */
.search-results-info {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px;
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    animation: fadeIn 0.5s ease;
}

.search-results-count {
    font-weight: 600;
    color: var(--primary);
}

.no-results {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-light);
}

.no-results i {
    font-size: 3rem;
    color: var(--border);
    margin-bottom: 20px;
}

/* Enhanced Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.pagination-btn {
    padding: 12px 20px;
    border: 2px solid var(--border);
    background: var(--surface);
    color: var(--text);
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.pagination-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

.pagination-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.pagination-info {
    color: var(--text-light);
    font-size: 0.875rem;
}

/* Loading Animation */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(99, 102, 241, 0.3);
    border-radius: 50%;
    border-top-color: var(--primary);
    animation: spin 1s ease-in-out infinite;
}

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

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

/* Responsive Design */
@media (max-width: 768px) {
    .user-card-header {
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }
    
    .user-card-actions {
        flex-direction: column;
    }
    
    .search-container {
        margin-bottom: 30px;
    }
    
    .pagination {
        gap: 8px;
    }
    
    .pagination-btn {
        padding: 10px 16px;
        font-size: 0.875rem;
    }
}