:root {
  --color-primary: #181717;
  --color-secondary: #ffffff;
  --color-accent: #333333;
  --color-text: #1a1a1a;
  --color-text-light: #666666;
  --color-border: #e0e0e0;
  --color-shadow: rgba(0, 0, 0, 0.1);
  --color-shadow-dark: rgba(0, 0, 0, 0.3);
  
  --font-primary: 'Playfair Display', serif;
  --font-secondary: 'Inter', sans-serif;
  
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-xxl: 4rem;
  
  --border-radius-sm: 0.25rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 1rem;
  
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  --shadow-sm: 0 2px 4px var(--color-shadow);
  --shadow-md: 0 4px 8px var(--color-shadow);
  --shadow-lg: 0 8px 16px var(--color-shadow-dark);
  
  --max-width: 1200px;
}

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

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

body {
  font-family: var(--font-secondary);
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-secondary);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-md);
  color: var(--color-primary);
}

h1 {
  font-size: 2.25rem;
}

h2 {
  font-size: 1.875rem;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

h5 {
  font-size: 1.125rem;
}

h6 {
  font-size: 1rem;
}

p {
  margin-bottom: var(--space-sm);
  font-size: 0.875rem;
}

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

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.header {
  background-color: var(--color-secondary);
  padding: var(--space-md) 0;
  position: relative;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

.header-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-primary);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
}

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-primary);
  padding: var(--space-xs);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--space-lg);
  flex-wrap: wrap;
  justify-content: center;
}

.nav-menu li a {
  font-size: 0.875rem;
  font-weight: 500;
  padding: var(--space-xs) var(--space-sm);
  transition: color var(--transition-fast);
}

.hero {
  padding: var(--space-xxl) 0;
  text-align: center;
  background: linear-gradient(135deg, var(--color-secondary) 0%, #f5f5f5 100%);
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  margin-bottom: var(--space-md);
  font-size: 2.5rem;
}

.hero p {
  font-size: 1rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-lg);
}

.btn {
  display: inline-block;
  padding: var(--space-sm) var(--space-lg);
  background-color: var(--color-primary);
  color: var(--color-secondary);
  border: 2px solid var(--color-primary);
  border-radius: var(--border-radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  text-align: center;
}

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

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

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

.section {
  padding: var(--space-xl) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.card {
  background-color: var(--color-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--border-radius-md);
  margin-bottom: var(--space-md);
  filter: grayscale(100%) contrast(1.2);
}

.card h3 {
  margin-bottom: var(--space-sm);
  font-size: 1.25rem;
}

.card p {
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

.contact-section {
  background-color: #f9f9f9;
  padding: var(--space-xl) 0;
}

.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 500;
  font-size: 0.875rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  font-size: 0.875rem;
  font-family: var(--font-secondary);
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

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

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.checkbox-group input[type="checkbox"] {
  width: auto;
  margin-top: 0.25rem;
}

.checkbox-group label {
  font-size: 0.8125rem;
  line-height: 1.5;
}

.map-container {
  margin-top: var(--space-xl);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.map-container iframe {
  width: 100%;
  height: 400px;
  border: none;
}

.footer {
  background-color: var(--color-primary);
  color: var(--color-secondary);
  padding: var(--space-lg) 0;
  margin-top: var(--space-xl);
}

.footer-content {
  text-align: center;
}

.footer-menu {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-md);
  list-style: none;
  margin-bottom: var(--space-md);
}

.footer-menu li a {
  color: var(--color-secondary);
  font-size: 0.8125rem;
  opacity: 0.9;
}

.footer-menu li a:hover {
  opacity: 1;
}

.footer p {
  font-size: 0.75rem;
  opacity: 0.8;
  margin: 0;
}

.content-section {
  max-width: 800px;
  margin: 0 auto;
}

.content-section p {
  margin-bottom: var(--space-md);
}

.content-section ul,
.content-section ol {
  margin-left: var(--space-lg);
  margin-bottom: var(--space-md);
}

.content-section li {
  margin-bottom: var(--space-xs);
  font-size: 0.875rem;
}

.error-page,
.thank-you-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-xl);
}

.error-page h1,
.thank-you-page h1 {
  font-size: 3rem;
  margin-bottom: var(--space-md);
}

.error-page p,
.thank-you-page p {
  font-size: 1rem;
  margin-bottom: var(--space-lg);
}

.popup-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 10000;
  align-items: center;
  justify-content: center;
}

.popup-overlay.active {
  display: flex;
}

.popup-content {
  background-color: var(--color-secondary);
  padding: var(--space-xl);
  border-radius: var(--border-radius-lg);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.popup-content h2 {
  margin-bottom: var(--space-md);
}

.popup-content p {
  font-size: 0.875rem;
  margin-bottom: var(--space-sm);
}

.popup-buttons {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
  justify-content: flex-end;
}

@media (max-width: 768px) {
  html {
    font-size: 15px;
  }
  
  h1 {
    font-size: 1.875rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  .nav-toggle {
    display: block;
  }
  
  .nav-menu {
    display: none;
    flex-direction: column;
    width: 100%;
    gap: var(--space-sm);
    margin-top: var(--space-md);
  }
  
  .nav-menu.active {
    display: flex;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .card-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
  
  .footer-menu {
    flex-direction: column;
    gap: var(--space-sm);
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }
  
  .container {
    padding: 0 var(--space-sm);
  }
  
  .hero {
    padding: var(--space-lg) 0;
  }
  
  .section {
    padding: var(--space-lg) 0;
  }
  
  .card {
    padding: var(--space-md);
  }
  
  .popup-content {
    padding: var(--space-md);
  }
}

.unique-section-1 {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 50%, #f8f9fa 100%);
  padding: var(--space-xxl) 0;
  position: relative;
  overflow: hidden;
}

.unique-section-1::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(24, 23, 23, 0.05) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 20s ease-in-out infinite;
}

.unique-section-1::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -5%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(24, 23, 23, 0.03) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 15s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0) translateX(0);
  }
  50% {
    transform: translateY(-20px) translateX(10px);
  }
}

.unique-content-wrapper {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.unique-text-block {
  background: var(--color-secondary);
  padding: var(--space-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
  border-left: 5px solid var(--color-primary);
}

.unique-text-block h2 {
  font-size: 2rem;
  margin-bottom: var(--space-md);
  color: var(--color-primary);
  position: relative;
  padding-bottom: var(--space-sm);
}

.unique-text-block h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 3px;
  background: var(--color-primary);
}

.unique-text-block p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: var(--space-lg);
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.feature-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm);
  background: #f8f9fa;
  border-radius: var(--border-radius-md);
  transition: all var(--transition-base);
}

.feature-item:hover {
  background: #e9ecef;
  transform: translateX(5px);
}

.feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--color-primary);
  color: var(--color-secondary);
  border-radius: 50%;
  font-weight: 700;
  font-size: 0.875rem;
  flex-shrink: 0;
}

.feature-item span:last-child {
  font-weight: 500;
  color: var(--color-text);
}

.unique-section-2 {
  background: var(--color-secondary);
  padding: var(--space-xxl) 0;
  position: relative;
}

.timeline-container {
  max-width: 800px;
  margin: 0 auto;
}

.timeline-container h2 {
  text-align: center;
  margin-bottom: var(--space-xxl);
  font-size: 2rem;
  position: relative;
  padding-bottom: var(--space-md);
}

.timeline-container h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: var(--color-primary);
}

.timeline {
  position: relative;
  padding-left: var(--space-xl);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-border));
}

.timeline-item {
  position: relative;
  margin-bottom: var(--space-xl);
  padding-left: var(--space-lg);
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: -8px;
  top: 0;
  width: 18px;
  height: 18px;
  background: var(--color-secondary);
  border: 3px solid var(--color-primary);
  border-radius: 50%;
  z-index: 2;
  transition: all var(--transition-base);
}

.timeline-item:hover .timeline-marker {
  transform: scale(1.3);
  box-shadow: 0 0 0 8px rgba(24, 23, 23, 0.1);
}

.timeline-content {
  background: #f8f9fa;
  padding: var(--space-lg);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.timeline-item:hover .timeline-content {
  background: var(--color-secondary);
  box-shadow: var(--shadow-md);
  transform: translateX(5px);
}

.timeline-content h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
  color: var(--color-primary);
}

.timeline-content p {
  color: var(--color-text-light);
  line-height: 1.7;
  margin: 0;
}

.unique-section-3 {
  background: linear-gradient(180deg, var(--color-secondary) 0%, #f5f5f5 100%);
  padding: var(--space-xxl) 0;
}

.icon-grid-container {
  max-width: 1000px;
  margin: 0 auto;
}

.icon-grid-container h2 {
  text-align: center;
  margin-bottom: var(--space-xxl);
  font-size: 2rem;
  color: var(--color-primary);
}

.icon-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.icon-card {
  background: var(--color-secondary);
  padding: var(--space-xl);
  border-radius: var(--border-radius-lg);
  text-align: center;
  transition: all var(--transition-base);
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.icon-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(24, 23, 23, 0.05), transparent);
  transition: left 0.5s ease;
}

.icon-card:hover::before {
  left: 100%;
}

.icon-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
  border-color: var(--color-primary);
}

.icon-wrapper {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-md);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
  position: relative;
}

.icon-card:hover .icon-wrapper {
  transform: rotate(360deg) scale(1.1);
  box-shadow: 0 8px 20px rgba(24, 23, 23, 0.3);
}

.icon-wrapper i {
  font-size: 2rem;
  color: var(--color-secondary);
}

.icon-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
  color: var(--color-primary);
}

.icon-card p {
  color: var(--color-text-light);
  line-height: 1.6;
  margin: 0;
  font-size: 0.875rem;
}

@media (max-width: 768px) {
  .unique-section-1,
  .unique-section-2,
  .unique-section-3 {
    padding: var(--space-xl) 0;
  }

  .unique-text-block {
    padding: var(--space-lg);
  }

  .unique-text-block h2,
  .timeline-container h2,
  .icon-grid-container h2 {
    font-size: 1.5rem;
  }

  .timeline {
    padding-left: var(--space-lg);
  }

  .icon-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .icon-card {
    padding: var(--space-lg);
  }
}

@media (max-width: 400px) {
  .header-content{
    gap: 2px;
  }
  html {
    font-size: 13px;
  }
  
  .logo {
    font-size: 1.25rem;
  }
  
  .logo img {
    width: 32px;
    height: 32px;
  }
  
  .hero h1 {
    font-size: 1.75rem;
  }
  
  .btn {
    padding: var(--space-xs) var(--space-md);
    font-size: 0.8125rem;
  }

  .unique-text-block {
    padding: var(--space-md);
  }

  .timeline-item {
    padding-left: var(--space-md);
  }

  .icon-wrapper {
    width: 60px;
    height: 60px;
  }

  .icon-wrapper i {
    font-size: 1.5rem;
  }
}