/* CSS Custom Properties */
:root {
  /* Color Palette */
  --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-50: #f8fafc;
  --secondary-100: #f1f5f9;
  --secondary-200: #e2e8f0;
  --secondary-300: #cbd5e1;
  --secondary-400: #94a3b8;
  --secondary-500: #64748b;
  --secondary-600: #475569;
  --secondary-700: #334155;
  --secondary-800: #1e293b;
  --secondary-900: #0f172a;

  --accent-500: #8b5cf6;
  --accent-600: #7c3aed;

  --success-500: #10b981;
  --warning-500: #f59e0b;
  --error-500: #ef4444;

  /* Light Theme Colors */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-tertiary: #64748b;
  --border-color: #e2e8f0;
  --card-bg: rgba(255, 255, 255, 0.8);
  --glass-bg: rgba(255, 255, 255, 0.1);
  --shadow-color: rgba(15, 23, 42, 0.08);

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --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);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* Transitions */
  --transition-fast: 0.15s ease-out;
  --transition-base: 0.3s ease-out;
  --transition-slow: 0.5s ease-out;

  /* Borders */
  --border-radius-sm: 0.375rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 0.75rem;
  --border-radius-xl: 1rem;
  --border-radius-2xl: 1.5rem;
  --border-radius-full: 9999px;

  /* Layout */
  --container-max-width: 1200px;
  --navbar-height: 80px;
}

/* Dark Theme */
[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-tertiary: #94a3b8;
  --border-color: #334155;
  --card-bg: rgba(30, 41, 59, 0.8);
  --glass-bg: rgba(30, 41, 59, 0.1);
  --shadow-color: rgba(0, 0, 0, 0.3);
}

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

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

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

/* Container */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-4);
  }
}

/* Theme Toggle */
.theme-toggle {
  position: fixed;
  top: var(--space-6);
  right: var(--space-6);
  z-index: 1000;
  width: 50px;
  height: 50px;
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-toggle:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-lg);
}

.theme-toggle .sun-icon,
.theme-toggle .moon-icon {
  width: 20px;
  height: 20px;
  transition: all var(--transition-base);
  position: absolute;
}

[data-theme="dark"] .theme-toggle .sun-icon {
  opacity: 0;
  transform: rotate(180deg);
}

[data-theme="dark"] .theme-toggle .moon-icon {
  opacity: 1;
  transform: rotate(0deg);
}

[data-theme="light"] .theme-toggle .sun-icon {
  opacity: 1;
  transform: rotate(0deg);
}

[data-theme="light"] .theme-toggle .moon-icon {
  opacity: 0;
  transform: rotate(-180deg);
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 999;
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  transition: all var(--transition-base);
  height: var(--navbar-height);
}

.navbar.scrolled {
  box-shadow: var(--shadow-lg);
}

.nav-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 700;
  font-size: var(--text-xl);
}

.logo-img {
  width: 40px;
  height: 40px;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--space-8);
  align-items: center;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-500);
  transition: width var(--transition-base);
}

.nav-link:hover {
  color: var(--primary-500);
}

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

.nav-login-btn {
  background: var(--primary-500);
  color: white;
  border: none;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--border-radius-full);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
}

.nav-login-btn:hover {
  background: var(--primary-600);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.hamburger .bar {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  transition: all var(--transition-base);
  border-radius: 2px;
}

@media (max-width: 768px) {
  .nav-container {
    padding: 0 var(--space-4);
  }

  .nav-menu {
    position: fixed;
    top: var(--navbar-height);
    left: -100%;
    width: 100%;
    height: calc(100vh - var(--navbar-height));
    background: var(--bg-primary);
    flex-direction: column;
    justify-content: flex-start;
    padding-top: var(--space-12);
    transition: left var(--transition-base);
    gap: var(--space-6);
  }

  .nav-menu.active {
    left: 0;
  }

  .hamburger {
    display: flex;
  }

  .hamburger.active .bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .hamburger.active .bar:nth-child(2) {
    opacity: 0;
  }

  .hamburger.active .bar:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--navbar-height);
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--primary-50) 0%, var(--secondary-50) 100%);
  z-index: -2;
}

[data-theme="dark"] .hero-background {
  background: linear-gradient(135deg, var(--secondary-900) 0%, var(--primary-900) 100%);
}

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

.shape {
  position: absolute;
  background: linear-gradient(45deg, var(--primary-400), var(--accent-500));
  border-radius: 50%;
  opacity: 0.1;
  animation: float 6s ease-in-out infinite;
}

.shape-1 {
  width: 300px;
  height: 300px;
  top: 10%;
  right: 10%;
  animation-delay: 0s;
}

.shape-2 {
  width: 200px;
  height: 200px;
  bottom: 20%;
  left: 5%;
  animation-delay: 2s;
}

.shape-3 {
  width: 150px;
  height: 150px;
  top: 50%;
  left: 70%;
  animation-delay: 4s;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-20px) rotate(180deg);
  }
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--border-radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--primary-600);
  margin-bottom: var(--space-6);
  animation: slideInUp 0.8s ease-out;
}

.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-6xl);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--space-6);
  animation: slideInUp 0.8s ease-out 0.2s both;
}

.title-highlight {
  background: linear-gradient(135deg, var(--primary-500), var(--accent-500));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  margin-bottom: var(--space-8);
  line-height: 1.7;
  animation: slideInUp 0.8s ease-out 0.4s both;
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
  animation: slideInUp 0.8s ease-out 0.6s both;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  animation: slideInUp 0.8s ease-out 0.8s both;
}

.stat {
  text-align: center;
}

.stat-number {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--primary-600);
  margin-bottom: var(--space-1);
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  font-weight: 500;
}

.hero-visual {
  position: relative;
  animation: slideInRight 1s ease-out 0.4s both;
}

.floating-cards-grid {
  position: relative;
  width: 100%;
  height: 400px;
}

.floating-card {
  position: absolute;
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-xl);
  padding: var(--space-4) var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 600;
  font-size: var(--text-sm);
  box-shadow: var(--shadow-xl);
  animation: floatCard 4s ease-in-out infinite;
  white-space: nowrap;
  z-index: 10;
  text-decoration: none;
  color: white;
  transition: all 0.3s ease;
}

.floating-card:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: var(--shadow-2xl);
  border-color: var(--primary-300);
}

.floating-card i {
  width: 24px;
  height: 24px;
  color: white;
}

.floating-card span {
  color: white;
}

/* 2 columns, 3 rows arrangement */
.card-1 {
  top: 10%;
  left: 15%;
  animation-delay: 0s;
}

.card-2 {
  top: 10%;
  right: 15%;
  animation-delay: 1.3s;
}

.card-3 {
  top: 40%;
  left: 15%;
  animation-delay: 2.6s;
}

.card-4 {
  top: 40%;
  right: 15%;
  animation-delay: 3.9s;
}

.card-5 {
  bottom: 10%;
  left: 15%;
  animation-delay: 5.2s;
}

.card-6 {
  bottom: 10%;
  right: 15%;
  animation-delay: 6.5s;
}

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


.scroll-indicator {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-tertiary);
  font-size: var(--text-sm);
  animation: fadeIn 1s ease-out 1s both;
}

.scroll-mouse {
  width: 24px;
  height: 40px;
  border: 2px solid var(--border-color);
  border-radius: 12px;
  position: relative;
}

.scroll-wheel {
  width: 4px;
  height: 8px;
  background: var(--text-tertiary);
  border-radius: 2px;
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  animation: scrollWheel 2s ease-in-out infinite;
}

@keyframes scrollWheel {
  0% {
    top: 8px;
    opacity: 1;
  }
  100% {
    top: 24px;
    opacity: 0;
  }
}

@media (max-width: 768px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: var(--space-12);
    text-align: center;
    padding: 0 var(--space-4);
  }

  .hero-title {
    font-size: var(--text-4xl);
  }

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

  .hero-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
  }

  .hero-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
  }

  .floating-cards-grid {
    height: 300px;
  }

  .floating-card {
    position: relative;
    margin: var(--space-4) auto;
    animation: none;
  }

  .card-1,
  .card-2,
  .card-3,
  .card-4,
  .card-5,
  .card-6 {
    position: relative;
    top: auto;
    left: auto;
    right: auto;
    bottom: auto;
    display: block;
    margin-bottom: var(--space-4);
  }
}

@media (max-width: 480px) {
  .floating-cards-grid {
    height: 250px;
  }

  .floating-card {
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-xs);
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-6);
  border-radius: var(--border-radius-full);
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-base);
  cursor: pointer;
  border: none;
  font-size: var(--text-base);
  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 0.5s;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
  color: white;
  box-shadow: var(--shadow-md);
}

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

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

.btn-secondary:hover {
  background: var(--bg-secondary);
  transform: translateY(-2px);
}

.btn i {
  width: 18px;
  height: 18px;
  transition: transform var(--transition-base);
}

.btn:hover i {
  transform: translateX(4px);
}

/* Section Styles */
section {
  padding: var(--space-24) 0;
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--space-16);
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--primary-50);
  color: var(--primary-600);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--border-radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-4);
}

[data-theme="dark"] .section-badge {
  background: var(--primary-900);
  color: var(--primary-300);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 700;
  margin-bottom: var(--space-4);
  line-height: 1.2;
}

.section-description {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Services Section */
.services {
  background: var(--bg-secondary);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-8);
}

.service-card {
  position: relative;
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-2xl);
  padding: var(--space-8);
  transition: all var(--transition-base);
  cursor: pointer;
  overflow: hidden;
  display: block;
  text-decoration: none;
  color: inherit;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--primary-500), var(--accent-500));
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: -1;
}

.service-card:hover::before {
  opacity: 0.05;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
}

.service-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary-500), var(--accent-500));
  border-radius: var(--border-radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
  transition: transform var(--transition-base);
}

.service-card:hover .service-icon {
  transform: scale(1.1);
}

.service-icon i {
  width: 28px;
  height: 28px;
  color: white;
}

.service-title {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-4);
  color: var(--text-primary);
}

.service-description {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-6);
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--primary-500);
  text-decoration: none;
  font-weight: 600;
  transition: all var(--transition-base);
}

.service-link:hover {
  gap: var(--space-3);
}

.service-link i {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-base);
}

.service-link:hover i {
  transform: translateX(4px);
}

@media (max-width: 768px) {
  .services-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}

/* About Section */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.feature {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.feature i {
  width: 20px;
  height: 20px;
  color: var(--success-500);
}

.about-visual {
  position: relative;
}

.about-card {
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-2xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-xl);
  transform: rotate(3deg);
  transition: transform var(--transition-base);
}

.about-card:hover {
  transform: rotate(0deg) scale(1.05);
}

.about-card h3 {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-3);
  color: var(--primary-600);
}

@media (max-width: 768px) {
  .about-content {
    grid-template-columns: 1fr;
    gap: var(--space-12);
    text-align: center;
  }
}

/* Contact Section */
.contact {
  background: var(--bg-secondary);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  margin-top: var(--space-8);
}

.contact-item {
  display: flex;
  gap: var(--space-4);
}

.contact-icon {
  width: 50px;
  height: 50px;
  background: var(--primary-50);
  border-radius: var(--border-radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

[data-theme="dark"] .contact-icon {
  background: var(--primary-900);
}

.contact-icon i {
  width: 24px;
  height: 24px;
  color: var(--primary-500);
}

.contact-text h4 {
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}

.contact-text p {
  color: var(--text-secondary);
  line-height: 1.6;
}

.contact-form-container {
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-2xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-xl);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-group label {
  font-weight: 600;
  color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: var(--space-4);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: var(--text-base);
  transition: all var(--transition-base);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-submit {
  margin-top: var(--space-4);
}

@media (max-width: 768px) {
  .contact-content {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }
}

/* Footer */
.footer {
  background: var(--bg-tertiary);
  border-top: 1px solid var(--border-color);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-16);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid var(--border-color);
  margin-bottom: var(--space-8);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 700;
  font-size: var(--text-xl);
  color: var(--text-primary);
}

.footer-description {
  color: var(--text-secondary);
  line-height: 1.7;
}

.footer-social {
  display: flex;
  gap: var(--space-4);
}

.social-link {
  width: 40px;
  height: 40px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--transition-base);
}

.social-link:hover {
  background: var(--primary-500);
  color: white;
  transform: translateY(-2px);
}

.social-link i {
  width: 18px;
  height: 18px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.footer-column h4 {
  font-weight: 600;
  margin-bottom: var(--space-4);
  color: var(--text-primary);
}

.footer-column ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-column a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-base);
}

.footer-column a:hover {
  color: var(--primary-500);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-tertiary);
  font-size: var(--text-sm);
}

.footer-legal {
  display: flex;
  gap: var(--space-6);
}

.footer-legal a {
  color: var(--text-tertiary);
  text-decoration: none;
  transition: color var(--transition-base);
}

.footer-legal a:hover {
  color: var(--primary-500);
}

@media (max-width: 768px) {
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer-links {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }
}

/* Modals */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.modal.active {
  opacity: 1;
  visibility: visible;
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(10px);
}

.modal-content {
  position: relative;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-2xl);
  box-shadow: var(--shadow-2xl);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.9);
  transition: transform var(--transition-base);
}

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

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-6);
  border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--text-primary);
}

.modal-close {
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-secondary);
  transition: all var(--transition-base);
}

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

.modal-close i {
  width: 20px;
  height: 20px;
}

.modal-body {
  padding: var(--space-6);
}

.modal-subtitle {
  color: var(--text-secondary);
  margin-bottom: var(--space-6);
  line-height: 1.6;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.form-options {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  color: var(--text-secondary);
  font-size: var(--text-sm);
}

.checkbox-label input {
  margin: 0;
}

.forgot-link,
.auth-switch a {
  color: var(--primary-500);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-base);
}

.forgot-link:hover,
.auth-switch a:hover {
  color: var(--primary-600);
}

.auth-submit {
  width: 100%;
  justify-content: center;
  margin-top: var(--space-4);
}

.auth-switch {
  text-align: center;
  margin-top: var(--space-6);
  color: var(--text-secondary);
  font-size: var(--text-sm);
}

/* Animations */
@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

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

/* Utility Classes */
.text-center {
  text-align: center;
}

.hidden {
  display: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Loading Animation */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid var(--border-color);
  border-radius: 50%;
  border-top-color: var(--primary-500);
  animation: spin 1s ease-in-out infinite;
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}

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

/* Focus States */
*:focus {
  outline: 2px solid var(--primary-500);
  outline-offset: 2px;
}

button:focus,
input:focus,
select:focus,
textarea:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  :root {
    --border-color: #000;
    --text-secondary: #000;
  }

  [data-theme="dark"] {
    --border-color: #fff;
    --text-secondary: #fff;
  }
}

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