@import url('https://cdn.jsdelivr.net/npm/tailwindcss@2.2.19/dist/tailwind.min.css');
@import url('https://cdn.jsdelivr.net/npm/remixicon@2.5.0/fonts/remixicon.css');

:root {
  --primary-color: #6B46C1;
  --primary-dark: #553C9A;
  --primary-light: #9F7AEA;
  --secondary-color: #F59E0B;
  --secondary-dark: #D97706;
  --secondary-light: #FBBF24;
  --accent-color: #EC4899;
  --accent-dark: #DB2777;
  --background-dark: #0F0A1E;
  --background-medium: #1A1333;
  --background-light: #2D2452;
  --text-primary: #F9FAFB;
  --text-secondary: #D1D5DB;
  --text-muted: #9CA3AF;
  --border-color: #4C3A75;
  --success-color: #10B981;
  --error-color: #EF4444;
  --warning-color: #F59E0B;
  --shadow-sm: 0 2px 8px rgba(107, 70, 193, 0.1);
  --shadow-md: 0 4px 16px rgba(107, 70, 193, 0.2);
  --shadow-lg: 0 8px 32px rgba(107, 70, 193, 0.3);
  --shadow-glow: 0 0 20px rgba(159, 122, 234, 0.4);
  --gradient-primary: linear-gradient(135deg, #6B46C1 0%, #9F7AEA 100%);
  --gradient-secondary: linear-gradient(135deg, #F59E0B 0%, #FBBF24 100%);
  --gradient-accent: linear-gradient(135deg, #EC4899 0%, #F59E0B 100%);
  --gradient-dark: linear-gradient(135deg, #0F0A1E 0%, #1A1333 100%);
  --transition-fast: all 0.2s ease;
  --transition-medium: all 0.3s ease;
  --transition-slow: all 0.5s ease;
  --border-radius-sm: 6px;
  --border-radius-md: 12px;
  --border-radius-lg: 20px;
  --border-radius-xl: 30px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background-color: var(--background-dark);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

::selection {
  background-color: var(--primary-color);
  color: var(--text-primary);
}

::-webkit-scrollbar {
  width: 12px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: 6px;
  border: 2px solid var(--background-medium);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-light);
}

header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(15, 10, 30, 0.95);
  backdrop-filter: blur(15px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition-medium);
  box-shadow: var(--shadow-md);
}

header.scrolled {
  background: rgba(15, 10, 30, 0.98);
  box-shadow: var(--shadow-lg);
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.75rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition-fast);
  letter-spacing: -0.5px;
}

.logo:hover {
  transform: scale(1.05);
  filter: brightness(1.2);
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
  align-items: center;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition-fast);
  position: relative;
  padding: 0.5rem 0;
  font-size: 0.95rem;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: var(--transition-medium);
}

.nav-links a:hover {
  color: var(--text-primary);
}

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

.nav-links a.active {
  color: var(--primary-light);
}

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

.mobile-menu-toggle {
  color: var(--text-primary);
  font-size: 1.75rem;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--border-radius-sm);
  transition: var(--transition-fast);
  border: 1px solid transparent;
}

.mobile-menu-toggle:hover {
  background-color: var(--background-light);
  border-color: var(--border-color);
}

.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 350px;
  height: 100vh;
  background: var(--background-medium);
  border-left: 1px solid var(--border-color);
  transform: translateX(100%);
  transition: var(--transition-medium);
  z-index: 2000;
  overflow-y: auto;
  box-shadow: -10px 0 40px rgba(0, 0, 0, 0.5);
}

.mobile-menu.active {
  transform: translateX(0);
}

.mobile-menu-header {
  padding: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
}

.mobile-menu-close {
  font-size: 1.75rem;
  color: var(--text-primary);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--border-radius-sm);
  transition: var(--transition-fast);
}

.mobile-menu-close:hover {
  background-color: var(--background-light);
  color: var(--accent-color);
}

.mobile-menu-links {
  list-style: none;
  padding: 1.5rem;
}

.mobile-menu-links li {
  margin-bottom: 0.5rem;
}

.mobile-menu-links a {
  display: block;
  padding: 1rem;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--border-radius-md);
  transition: var(--transition-fast);
  font-weight: 500;
}

.mobile-menu-links a:hover,
.mobile-menu-links a.active {
  background-color: var(--background-light);
  color: var(--primary-light);
  transform: translateX(5px);
}

.mobile-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(5px);
  z-index: 1999;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-medium);
}

.mobile-overlay.active {
  opacity: 1;
  visibility: visible;
}

.btn {
  padding: 0.875rem 2rem;
  border-radius: var(--border-radius-md);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition-medium);
  cursor: pointer;
  border: none;
  font-size: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
  z-index: -1;
}

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

.btn-primary {
  background: var(--gradient-primary);
  color: var(--text-primary);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-secondary {
  background: var(--gradient-secondary);
  color: var(--background-dark);
  box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

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

.btn-outline:hover {
  background: var(--primary-color);
  color: var(--text-primary);
  border-color: var(--primary-light);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.btn-accent {
  background: var(--gradient-accent);
  color: var(--text-primary);
  box-shadow: var(--shadow-md);
}

.btn-accent:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: var(--shadow-lg);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

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

.btn:active {
  transform: translateY(-1px);
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--background-medium);
  border-top: 2px solid var(--primary-color);
  padding: 1.5rem 2rem;
  z-index: 9999;
  box-shadow: 0 -5px 30px rgba(0, 0, 0, 0.5);
  transform: translateY(100%);
  transition: var(--transition-medium);
  backdrop-filter: blur(15px);
}

.cookie-banner.show {
  transform: translateY(0);
}

.cookie-content {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.cookie-text {
  flex: 1;
  min-width: 250px;
}

.cookie-text h3 {
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  font-size: 1.125rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

.cookie-text a {
  color: var(--primary-light);
  text-decoration: none;
  transition: var(--transition-fast);
}

.cookie-text a:hover {
  color: var(--secondary-color);
  text-decoration: underline;
}

.cookie-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.cookie-buttons .btn {
  padding: 0.75rem 1.5rem;
  white-space: nowrap;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.95rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 1rem;
  background-color: var(--background-medium);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-md);
  color: var(--text-primary);
  font-size: 1rem;
  transition: var(--transition-fast);
  font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(107, 70, 193, 0.1);
  background-color: var(--background-light);
}

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

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

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%239F7AEA' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 1.25rem;
  padding-right: 3rem;
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.form-checkbox input[type="checkbox"] {
  width: 20px;
  height: 20px;
  margin-top: 0.25rem;
  cursor: pointer;
  accent-color: var(--primary-color);
}

.form-checkbox label {
  flex: 1;
  color: var(--text-secondary);
  font-size: 0.95rem;
  cursor: pointer;
  margin: 0;
}

.form-error {
  color: var(--error-color);
  font-size: 0.875rem;
  margin-top: 0.5rem;
  display: none;
}

.form-group.error input,
.form-group.error textarea,
.form-group.error select {
  border-color: var(--error-color);
}

.form-group.error .form-error {
  display: block;
}

.form-success {
  color: var(--success-color);
  font-size: 0.875rem;
  margin-top: 0.5rem;
  display: none;
}

.form-group.success .form-success {
  display: block;
}

.accordion {
  background-color: var(--background-medium);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  margin-bottom: 1rem;
  overflow: hidden;
  transition: var(--transition-medium);
}

.accordion:hover {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-sm);
}

.accordion-header {
  padding: 1.5rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  background-color: transparent;
  transition: var(--transition-fast);
  user-select: none;
}

.accordion-header:hover {
  background-color: var(--background-light);
}

.accordion-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.accordion-icon {
  color: var(--primary-light);
  font-size: 1.5rem;
  transition: var(--transition-medium);
}

.accordion.active .accordion-icon {
  transform: rotate(180deg);
  color: var(--secondary-color);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  padding: 0 1.5rem;
}

.accordion.active .accordion-content {
  max-height: 1000px;
  padding: 0 1.5rem 1.5rem;
}

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

.card {
  background: var(--background-medium);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  border: 1px solid var(--border-color);
  transition: var(--transition-medium);
  position: relative;
  overflow: hidden;
}

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

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

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

.card-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  transition: var(--transition-medium);
}

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

.card-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.card-description {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.card-link {
  color: var(--primary-light);
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition-fast);
}

.card-link:hover {
  color: var(--secondary-color);
  gap: 0.75rem;
}

.grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.loading-spinner {
  display: inline-block;
  width: 50px;
  height: 50px;
  border: 4px solid var(--border-color);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.loading-dots {
  display: inline-flex;
  gap: 0.5rem;
}

.loading-dots span {
  width: 10px;
  height: 10px;
  background: var(--primary-color);
  border-radius: 50%;
  animation: bounce 1.4s infinite ease-in-out both;
}

.loading-dots span:nth-child(1) {
  animation-delay: -0.32s;
}

.loading-dots span:nth-child(2) {
  animation-delay: -0.16s;
}

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

.pulse-animation {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

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

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

.slide-in-left {
  animation: slideInLeft 0.6s ease-out;
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.slide-in-right {
  animation: slideInRight 0.6s ease-out;
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.scale-in {
  animation: scaleIn 0.5s ease-out;
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.hero-section {
  position: relative;
  padding: 6rem 2rem;
  background: var(--gradient-dark);
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 60%;
  height: 150%;
  background: radial-gradient(circle, rgba(107, 70, 193, 0.15) 0%, transparent 70%);
  animation: float 20s ease-in-out infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-30px) rotate(5deg);
  }
}

.hero-content {
  max-width: 1400px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 700px;
}

.section {
  padding: 5rem 2rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
  color: var(--text-primary);
  text-align: center;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  text-align: center;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 600;
  background: var(--background-light);
  color: var(--primary-light);
  border: 1px solid var(--border-color);
  transition: var(--transition-fast);
}

.badge:hover {
  background: var(--primary-color);
  color: var(--text-primary);
  transform: scale(1.05);
}

.divider {
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border-color), transparent);
  margin: 3rem 0;
}

.tooltip {
  position: relative;
  display: inline-block;
}

.tooltip::before {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-10px);
  padding: 0.5rem 1rem;
  background: var(--background-light);
  color: var(--text-primary);
  border-radius: var(--border-radius-sm);
  font-size: 0.875rem;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-fast);
  pointer-events: none;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
}

.tooltip::after {
  content: '';
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--background-light);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-fast);
}

.tooltip:hover::before,
.tooltip:hover::after {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(-5px);
}

.alert {
  padding: 1rem 1.5rem;
  border-radius: var(--border-radius-md);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  border-left: 4px solid;
}

.alert-success {
  background: rgba(16, 185, 129, 0.1);
  border-color: var(--success-color);
  color: var(--success-color);
}

.alert-error {
  background: rgba(239, 68, 68, 0.1);
  border-color: var(--error-color);
  color: var(--error-color);
}

.alert-warning {
  background: rgba(245, 158, 11, 0.1);
  border-color: var(--warning-color);
  color: var(--warning-color);
}

.alert-info {
  background: rgba(107, 70, 193, 0.1);
  border-color: var(--primary-color);
  color: var(--primary-light);
}

.alert-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.alert-content {
  flex: 1;
}

.alert-title {
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(5px);
  z-index: 9998;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-medium);
}

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

.modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  background: var(--background-medium);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-color);
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-medium);
  box-shadow: var(--shadow-lg);
}

.modal.active {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%) scale(1);
}

.modal-header {
  padding: 2rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.modal-close {
  font-size: 1.75rem;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--border-radius-sm);
  transition: var(--transition-fast);
}

.modal-close:hover {
  background: var(--background-light);
  color: var(--accent-color);
}

.modal-body {
  padding: 2rem;
}

.modal-footer {
  padding: 1.5rem 2rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
}

.tab-container {
  margin-bottom: 2rem;
}

.tab-buttons {
  display: flex;
  gap: 0.5rem;
  border-bottom: 2px solid var(--border-color);
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.tab-button {
  padding: 1rem 2rem;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
  position: relative;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
}

.tab-button::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: var(--transition-medium);
}

.tab-button:hover {
  color: var(--text-primary);
}

.tab-button.active {
  color: var(--primary-light);
}

.tab-button.active::after {
  width: 100%;
}

.tab-content {
  opacity: 0;
  visibility: hidden;
  height: 0;
  overflow: hidden;
  transition: var(--transition-medium);
}

.tab-content.active {
  opacity: 1;
  visibility: visible;
  height: auto;
  animation: fadeIn 0.5s ease-in;
}

footer {
  background: var(--background-medium);
  border-top: 1px solid var(--border-color);
  padding: 3rem 2rem 1.5rem;
  margin-top: 5rem;
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-section h3 {
  color: var(--text-primary);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.footer-section p,
.footer-section a {
  color: var(--text-secondary);
  text-decoration: none;
  display: block;
  margin-bottom: 0.5rem;
  transition: var(--transition-fast);
}

.footer-section a:hover {
  color: var(--primary-light);
  padding-left: 5px;
}

.footer-bottom {
  max-width: 1400px;
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--background-light);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: var(--transition-fast);
  font-size: 1.25rem;
}

.social-link:hover {
  background: var(--primary-color);
  color: var(--text-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

@media (max-width: 1024px) {
  .nav-links {
    gap: 1.5rem;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
}

@media (max-width: 768px) {
  .header-container {
    padding: 1rem;
  }
  
  .hero-section {
    padding: 4rem 1.5rem;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .section {
    padding: 3rem 1.5rem;
  }
  
  .section-title {
    font-size: 1.75rem;
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .cookie-content {
    flex-direction: column;
    align-items: stretch;
  }
  
  .cookie-buttons {
    flex-direction: column;
  }
  
  .cookie-buttons .btn {
    width: 100%;
    justify-content: center;
  }
  
  .tab-buttons {
    overflow-x: auto;
    flex-wrap: nowrap;
  }
  
  .tab-button {
    white-space: nowrap;
  }
  
  .modal {
    width: 95%;
  }
  
  .modal-header,
  .modal-body,
  .modal-footer {
    padding: 1.5rem;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 480px) {
  .logo {
    font-size: 1.5rem;
  }
  
  .hero-title {
    font-size: 1.75rem;
  }
  
  .section-title {
    font-size: 1.5rem;
  }
  
  .card {
    padding: 1.5rem;
  }
  
  .btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
  }
}

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