@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 {
  --color-primary: #6366f1;
  --color-primary-dark: #4f46e5;
  --color-primary-light: #818cf8;
  --color-secondary: #ec4899;
  --color-secondary-dark: #db2777;
  --color-accent: #14b8a6;
  --color-accent-light: #2dd4bf;
  --color-background: #0f172a;
  --color-surface: #1e293b;
  --color-surface-light: #334155;
  --color-text: #f1f5f9;
  --color-text-secondary: #cbd5e1;
  --color-text-muted: #94a3b8;
  --color-border: #475569;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --gradient-primary: linear-gradient(135deg, #6366f1 0%, #ec4899 100%);
  --gradient-secondary: linear-gradient(135deg, #14b8a6 0%, #6366f1 100%);
  --gradient-accent: linear-gradient(135deg, #ec4899 0%, #f59e0b 100%);
  --shadow-sm: 0 2px 8px rgba(99, 102, 241, 0.1);
  --shadow-md: 0 4px 16px rgba(99, 102, 241, 0.15);
  --shadow-lg: 0 8px 32px rgba(99, 102, 241, 0.2);
  --shadow-xl: 0 16px 48px rgba(99, 102, 241, 0.25);
  --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

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

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

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

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

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

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

header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
}

header.scrolled {
  background: rgba(15, 23, 42, 0.95);
  box-shadow: var(--shadow-lg);
}

.header-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition-fast);
}

.logo:hover {
  transform: translateY(-2px);
  filter: brightness(1.2);
}

.logo i {
  -webkit-text-fill-color: var(--color-primary);
  font-size: 2rem;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

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

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

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

nav a:hover::after {
  width: 100%;
}

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

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

.mobile-menu-toggle {
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 1.75rem;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 8px;
  transition: var(--transition-fast);
}

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

.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 320px;
  height: 100vh;
  background: var(--color-surface);
  transform: translateX(100%);
  transition: var(--transition-base);
  box-shadow: var(--shadow-xl);
  z-index: 2000;
  overflow-y: auto;
}

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

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

.mobile-menu-close {
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 8px;
  transition: var(--transition-fast);
}

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

.mobile-menu nav ul {
  flex-direction: column;
  gap: 0;
  padding: 1rem;
}

.mobile-menu nav a {
  display: block;
  padding: 1rem;
  border-radius: 8px;
  transition: var(--transition-fast);
}

.mobile-menu nav a:hover {
  background: var(--color-surface-light);
  transform: translateX(8px);
}

.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 1999;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-base);
}

.mobile-menu-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  border-radius: 12px;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: var(--transition-base);
  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, 0.2);
  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: white;
  box-shadow: var(--shadow-md);
}

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

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

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

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

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

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

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

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

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-surface);
  border-top: 2px solid var(--color-primary);
  box-shadow: var(--shadow-xl);
  z-index: 9999;
  transform: translateY(100%);
  transition: var(--transition-slow);
}

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

.cookie-content {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.5rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

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

.cookie-text h4 {
  color: var(--color-text);
  margin-bottom: 0.5rem;
  font-size: 1.125rem;
}

.cookie-text p {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

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

form {
  background: var(--color-surface);
  padding: 2rem;
  border-radius: 16px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
}

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

label {
  display: block;
  color: var(--color-text);
  font-weight: 600;
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="url"],
input[type="password"],
input[type="number"],
textarea,
select {
  width: 100%;
  padding: 0.875rem 1rem;
  background: var(--color-background);
  border: 2px solid var(--color-border);
  border-radius: 12px;
  color: var(--color-text);
  font-size: 1rem;
  transition: var(--transition-fast);
  font-family: inherit;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

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

textarea {
  resize: vertical;
  min-height: 120px;
}

input[type="checkbox"],
input[type="radio"] {
  width: 20px;
  height: 20px;
  margin-right: 0.5rem;
  cursor: pointer;
  accent-color: var(--color-primary);
}

.checkbox-group,
.radio-group {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
}

.checkbox-group label,
.radio-group label {
  margin-bottom: 0;
  font-weight: 400;
  text-transform: none;
  cursor: pointer;
}

.form-error {
  color: var(--color-error);
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

.form-success {
  color: var(--color-success);
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

.card {
  background: var(--color-surface);
  border-radius: 16px;
  padding: 2rem;
  border: 1px solid var(--color-border);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

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

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

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

.card-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  color: white;
  flex-shrink: 0;
}

.card-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0;
}

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

.card-footer {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.grid {
  display: grid;
  gap: 2rem;
}

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

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

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

.accordion {
  background: var(--color-surface);
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.accordion-item {
  border-bottom: 1px solid var(--color-border);
}

.accordion-item:last-child {
  border-bottom: none;
}

.accordion-header {
  width: 100%;
  padding: 1.5rem;
  background: transparent;
  border: none;
  color: var(--color-text);
  font-size: 1.125rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition-fast);
}

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

.accordion-header i {
  font-size: 1.25rem;
  transition: var(--transition-base);
  color: var(--color-primary);
}

.accordion-item.active .accordion-header i {
  transform: rotate(180deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: var(--transition-slow);
}

.accordion-item.active .accordion-content {
  max-height: 1000px;
}

.accordion-body {
  padding: 0 1.5rem 1.5rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--color-surface-light);
  border-top: 4px solid var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
}

.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 0.5s ease-in;
}

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

.slide-in-left {
  animation: slideInLeft 0.5s ease-out;
}

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

.slide-in-right {
  animation: slideInRight 0.5s 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(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.floating {
  animation: floating 3s ease-in-out infinite;
}

@keyframes floating {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gradient-border {
  position: relative;
  background: var(--color-surface);
  border-radius: 16px;
  padding: 2px;
}

.gradient-border::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 16px;
  padding: 2px;
  background: var(--gradient-primary);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.375rem 0.875rem;
  background: var(--color-surface-light);
  color: var(--color-text-secondary);
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid var(--color-border);
}

.tag-primary {
  background: rgba(99, 102, 241, 0.1);
  color: var(--color-primary-light);
  border-color: var(--color-primary);
}

.tag-secondary {
  background: rgba(236, 72, 153, 0.1);
  color: var(--color-secondary);
  border-color: var(--color-secondary);
}

.tag-accent {
  background: rgba(20, 184, 166, 0.1);
  color: var(--color-accent-light);
  border-color: var(--color-accent);
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 24px;
  padding: 0 0.5rem;
  background: var(--color-error);
  color: white;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 700;
}

.badge-success {
  background: var(--color-success);
}

.badge-warning {
  background: var(--color-warning);
}

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

.divider {
  height: 1px;
  background: var(--color-border);
  margin: 2rem 0;
}

.divider-gradient {
  height: 2px;
  background: var(--gradient-primary);
  margin: 2rem 0;
  border-radius: 2px;
}

section {
  padding: 5rem 2rem;
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 4rem;
}

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

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

.hero {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
  animation: rotate 20s linear infinite;
}

@keyframes rotate {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  padding: 2rem;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 900;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero-description {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.feature-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: var(--gradient-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: white;
  margin-bottom: 1.5rem;
  position: relative;
}

.feature-icon::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 16px;
  background: var(--gradient-secondary);
  opacity: 0.3;
  filter: blur(8px);
  z-index: -1;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  text-align: center;
}

.stat-item {
  padding: 2rem;
}

.stat-number {
  font-size: 3rem;
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.stat-label {
  color: var(--color-text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.875rem;
}

.timeline {
  position: relative;
  padding-left: 3rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gradient-primary);
}

.timeline-item {
  position: relative;
  padding-bottom: 3rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -3.5rem;
  top: 0;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 4px solid var(--color-background);
  box-shadow: 0 0 0 4px var(--color-primary);
}

.timeline-content {
  background: var(--color-surface);
  padding: 1.5rem;
  border-radius: 12px;
  border: 1px solid var(--color-border);
}

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-base);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--color-surface);
  border-radius: 16px;
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.9);
  transition: var(--transition-base);
  border: 1px solid var(--color-border);
}

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

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

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

.modal-close {
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 8px;
  transition: var(--transition-fast);
}

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

.modal-body {
  padding: 1.5rem;
  color: var(--color-text-secondary);
}

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

.alert {
  padding: 1rem 1.5rem;
  border-radius: 12px;
  border-left: 4px solid;
  margin-bottom: 1rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

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

.alert-info {
  background: rgba(99, 102, 241, 0.1);
  border-left-color: var(--color-primary);
  color: var(--color-primary-light);
}

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

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

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

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

.tooltip-text {
  visibility: hidden;
  background: var(--color-surface-light);
  color: var(--color-text);
  text-align: center;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  position: absolute;
  z-index: 1000;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  opacity: 0;
  transition: var(--transition-fast);
  font-size: 0.875rem;
  border: 1px solid var(--color-border);
}

.tooltip-text::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--color-surface-light);
}

.tooltip:hover .tooltip-text {
  visibility: visible;
  opacity: 1;
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--color-surface-light);
  border-radius: 8px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 8px;
  transition: width 0.5s ease;
}

.tabs {
  border-bottom: 2px solid var(--color-border);
  margin-bottom: 2rem;
}

.tab-list {
  display: flex;
  gap: 0;
  list-style: none;
  flex-wrap: wrap;
}

.tab-button {
  background: none;
  border: none;
  padding: 1rem 1.5rem;
  color: var(--color-text-secondary);
  font-weight: 600;
  cursor: pointer;
  position: relative;
  transition: var(--transition-fast);
}

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

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

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

.tab-button.active::after {
  transform: scaleX(1);
}

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

.tab-content.active {
  opacity: 1;
  max-height: none;
}

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

.footer-content {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 2rem;
}

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

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

.footer-section li {
  margin-bottom: 0.75rem;
}

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

.footer-section a:hover {
  color: var(--color-primary-light);
  padding-left: 0.5rem;
}

.footer-bottom {
  max-width: 1280px;
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

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

.social-link {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--color-surface-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
  text-decoration: none;
  transition: var(--transition-base);
  font-size: 1.25rem;
}

.social-link:hover {
  background: var(--gradient-primary);
  color: white;
  transform: translateY(-4px);
}

@media (max-width: 768px) {
  .section-title {
    font-size: 2rem;
  }

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

  .hero-description {
    font-size: 1rem;
  }

  .stats-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  }

  .stat-number {
    font-size: 2rem;
  }

  section {
    padding: 3rem 1rem;
  }

  .header-container {
    padding: 1rem;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .cookie-content {
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem;
  }

  .cookie-buttons {
    width: 100%;
    flex-direction: column;
  }

  .cookie-buttons .btn {
    width: 100%;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .timeline {
    padding-left: 2rem;
  }

  .timeline-item::before {
    left: -2.5rem;
  }
}

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

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

  .card {
    padding: 1.5rem;
  }

  .modal {
    width: 95%;
  }
}

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