:root {
  /* Триадная цветовая схема */
  --primary-color: #2b5797; /* Основной синий */
  --primary-dark: #1a4580;
  --primary-light: #3c68a8;
  
  --secondary-color: #97442b; /* Дополнительный оранжевый */
  --secondary-dark: #803020;
  --secondary-light: #a85c45;
  
  --accent-color: #449728; /* Акцентный зеленый */
  --accent-dark: #37801f;
  --accent-light: #57a83c;
  
  /* Нейтральные цвета */
  --dark: #202020;
  --dark-gray: #444444;
  --medium-gray: #777777;
  --light-gray: #eeeeee;
  --white: #ffffff;
  
  /* Тени */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.14);
  
  /* Радиусы */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  
  /* Отступы */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  /* Размеры шрифтов */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-md: 1rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 2.5rem;
  --font-size-4xl: 3rem;
  
  /* Толщина шрифта */
  --font-weight-light: 300;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* Переходы */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Контейнер */
  --container-width: 1280px;
  --container-padding: 1.5rem;
}

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

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

body {
  font-family: 'Merriweather', serif;
  color: var(--dark);
  line-height: 1.6;
  background-color: var(--white);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', sans-serif;
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
  color: var(--dark);
}

h1 {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-md);
}

h2 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-md);
}

h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-sm);
}

h4 {
  font-size: var(--font-size-xl);
}

p {
  margin-bottom: var(--spacing-sm);
}

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

a:hover {
  color: var(--primary-dark);
}

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

ul {
  list-style: none;
}

/* Контейнер */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* Секции */
.section {
  padding: var(--spacing-xl) 0;
  position: relative;
}

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

.section-header h2 {
  position: relative;
  display: inline-block;
  margin-bottom: var(--spacing-sm);
}

.section-header h2:after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background-color: var(--accent-color);
  margin: var(--spacing-xs) auto 0;
}

.section-header p {
  font-size: var(--font-size-lg);
  color: var(--medium-gray);
}

.light-text {
  color: var(--white);
}

.light-text h2, .light-text p {
  color: var(--white);
}

.light-text h2:after {
  background-color: var(--white);
}

/* Кнопки */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-family: 'Montserrat', sans-serif;
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-md);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
  text-decoration: none;
  box-shadow: var(--shadow-sm);
}

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

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

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

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

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

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

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

.btn-accent:hover {
  background-color: var(--accent-dark);
  color: var(--white);
}

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

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

/* Карточки */
.card {
  background-color: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  height: 100%;
  display: flex;
  flex-direction: column;
}

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

.card-header {
  padding: var(--spacing-md);
  background-color: var(--primary-color);
  color: var(--white);
  text-align: center;
  position: relative;
}

.card-content {
  padding: var(--spacing-md);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.card-image {
  width: 100%;
  text-align: center;
  overflow: hidden;
}

.image-container {
  height: 230px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.image-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.card:hover .image-container img {
  transform: scale(1.05);
}

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: all var(--transition-normal);
}

.header.scrolled {
  background-color: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-md);
}

.header-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.logo a {
  display: block;
}

.logo img {
  display: block;
  height: auto;
}

.main-nav {
  display: flex;
}

.nav-list {
  display: flex;
  align-items: center;
}

.nav-list li {
  margin-left: var(--spacing-md);
}

.nav-list a {
  font-family: 'Montserrat', sans-serif;
  font-weight: var(--font-weight-medium);
  color: var(--dark);
  transition: color var(--transition-fast);
  position: relative;
}

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

.nav-list a:after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -5px;
  left: 0;
  background-color: var(--primary-color);
  transition: width var(--transition-normal);
}

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

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 30px;
  height: 21px;
  cursor: pointer;
}

.mobile-menu-toggle span {
  display: block;
  height: 3px;
  width: 100%;
  background-color: var(--dark);
  border-radius: 3px;
  transition: all var(--transition-normal);
}

/* Hero Section */
.hero {
  padding: 0;
  height: 100vh;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
  color: var(--white);
  margin-top: 0;
}

.hero-content {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  padding: var(--spacing-lg);
  z-index: 1;
}

.hero-content h1 {
  color: var(--white);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-4xl);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-content p {
  font-size: var(--font-size-xl);
  color: var(--white);
  margin-bottom: var(--spacing-md);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  margin-bottom: var(--spacing-md);
}

.hero-contact-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-md);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--white);
  font-size: var(--font-size-md);
}

.contact-item .icon {
  font-size: var(--font-size-xl);
}

/* Services Section */
.services {
  background-color: var(--white);
}

.services-timeline {
  position: relative;
}

.timeline-container {
  position: relative;
  padding: 0 var(--spacing-md);
}

.timeline-point {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: var(--accent-color);
  z-index: 2;
}

.timeline-line {
  position: absolute;
  top: 20px;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  background-color: var(--accent-light);
  z-index: 1;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
  position: relative;
  z-index: 3;
}

.service-card {
  margin-bottom: var(--spacing-md);
}

/* Pricing Section */
.pricing {
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--white);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.pricing-card {
  position: relative;
  transition: transform var(--transition-normal);
}

.pricing-card.featured {
  transform: scale(1.05);
}

.pricing-card.featured .card {
  border: 3px solid var(--accent-color);
}

.featured-label {
  position: absolute;
  top: -15px;
  right: 20px;
  background-color: var(--accent-color);
  color: var(--white);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-sm);
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  z-index: 1;
}

.price {
  margin: var(--spacing-sm) 0;
  font-family: 'Montserrat', sans-serif;
}

.amount {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
}

.currency {
  font-size: var(--font-size-lg);
  opacity: 0.8;
}

.features-list {
  margin: var(--spacing-md) 0;
}

.features-list li {
  padding: var(--spacing-xs) 0;
  border-bottom: 1px solid var(--light-gray);
  display: flex;
  align-items: center;
  color: #1a4580;
}

.features-list li:before {
  content: '✓';
  color: var(--accent-color);
  margin-right: 10px;
  font-weight: var(--font-weight-bold);
}

.description {
  font-style: italic;
  margin: var(--spacing-md) 0;
  color: var(--medium-gray);
  font-size: var(--font-size-sm);
}

/* Success Stories */
.success-stories {
  background-color: var(--light-gray);
}

.testimonials-slider {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

.testimonial-card {
  height: 100%;
}

.testimonial-card .card-image {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto var(--spacing-md);
  border: 5px solid var(--white);
  box-shadow: var(--shadow-md);
}

.testimonial-card .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.quote {
  font-style: italic;
  margin-bottom: var(--spacing-md);
  position: relative;
}

.quote:before {
  content: '"';
  font-size: 4rem;
  color: var(--primary-light);
  opacity: 0.2;
  position: absolute;
  top: -20px;
  left: -15px;
  font-family: Georgia, serif;
}

.author {
  text-align: right;
}

.author h4 {
  margin-bottom: 0;
  color: var(--primary-color);
}

.author p {
  font-size: var(--font-size-sm);
  color: var(--medium-gray);
}

/* Partners Section */
.partners {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--white);
}

.partners-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.partner-logo {
  background-color: rgba(255, 255, 255, 0.9);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-normal);
  max-width: 180px;
}

.partner-logo:hover {
  transform: scale(1.05);
}

.partner-description {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

/* Resources Section */
.resources {
  background-color: var(--white);
}

.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

.resource-card .card-content {
  padding: var(--spacing-md);
}

.resource-card h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xs);
}

.resource-card p {
  font-size: var(--font-size-sm);
  color: var(--medium-gray);
}

/* Awards Section */
.awards {
  background-color: var(--light-gray);
}

.awards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--spacing-md);
}

.award-card .card-image {
  width: 200px;
  height: 200px;
  margin: 0 auto var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.award-year {
  display: inline-block;
  margin-top: var(--spacing-sm);
  font-weight: var(--font-weight-bold);
  color: var(--primary-color);
  font-size: var(--font-size-sm);
}

/* Research Section */
.research {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--white);
}

.research-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.research-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  backdrop-filter: blur(5px);
  transition: transform var(--transition-normal);
}

.research-item:hover {
  transform: translateY(-5px);
  background-color: rgba(255, 255, 255, 0.15);
}

.research-icon {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--white);
}

.research-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.research-text {
  flex-grow: 1;
}

.research-text h3 {
  color: var(--white);
  margin-bottom: var(--spacing-xs);
}

.research-text p {
  margin-bottom: var(--spacing-sm);
  color: rgba(255, 255, 255, 0.9);
}

/* Contact Section */
.contact {
  background-color: var(--white);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
}

.contact-form-container {
  background-color: var(--light-gray);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

.form-group {
  margin-bottom: var(--spacing-sm);
}

.form-group.full-width {
  grid-column: span 2;
}

.form-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: var(--font-weight-medium);
  color: var(--dark);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 15px;
  border: 1px solid var(--medium-gray);
  border-radius: var(--radius-md);
  font-family: 'Merriweather', serif;
  font-size: var(--font-size-md);
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(43, 87, 151, 0.2);
}

.checkbox-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

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

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.info-card {
  background-color: var(--white);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal);
}

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

.info-icon {
  font-size: 2rem;
  margin-bottom: var(--spacing-xs);
  color: var(--primary-color);
}

.map-container {
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 300px;
  margin-top: var(--spacing-md);
}

.map-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Footer */
.footer {
  background-color: var(--dark);
  color: var(--white);
  padding: var(--spacing-lg) 0 var(--spacing-sm);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-logo {
  margin-bottom: var(--spacing-md);
}

.footer-logo p {
  margin-top: var(--spacing-sm);
  color: rgba(255, 255, 255, 0.7);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
}

.footer-column h3 {
  color: var(--white);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-lg);
  position: relative;
}

.footer-column h3:after {
  content: '';
  display: block;
  width: 40px;
  height: 3px;
  background-color: var(--secondary-color);
  margin-top: 10px;
}

.footer-column ul {
  margin: 0;
  padding: 0;
}

.footer-column li {
  margin-bottom: var(--spacing-xs);
}

.footer-column a {
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-fast);
}

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

.social-links a {
  display: flex;
  align-items: center;
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-fast);
}

.social-links a:hover {
  color: var(--white);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--font-size-sm);
}

/* Success Page */
.success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-lg);
}

.success-container {
  max-width: 600px;
}

.success-icon {
  font-size: 5rem;
  color: var(--accent-color);
  margin-bottom: var(--spacing-md);
}

/* Privacy & Terms Pages */
.content-page {
  padding-top: 100px;
  min-height: 100vh;
}

.content-container {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-lg);
}

.content-container h1 {
  margin-bottom: var(--spacing-lg);
}

.content-container h2 {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.content-container p {
  margin-bottom: var(--spacing-md);
}

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

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

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translate3d(0, 40px, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out forwards;
}

/* Responsive Styles */
@media (max-width: 1200px) {
  :root {
    --font-size-4xl: 2.5rem;
    --font-size-3xl: 2rem;
    --font-size-2xl: 1.75rem;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .timeline-line, .timeline-point {
    display: none;
  }
}

@media (max-width: 992px) {
  .contact-wrapper {
    grid-template-columns: 1fr;
  }
  
  .hero-content {
    max-width: 600px;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
  
  .footer-links {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .research-item {
    flex-direction: column;
  }
  
  .research-icon {
    margin-bottom: var(--spacing-sm);
  }
}

@media (max-width: 768px) {
  :root {
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --font-size-4xl: 2.25rem;
    --font-size-3xl: 1.75rem;
    --font-size-2xl: 1.5rem;
  }
  
  .hero {
    height: auto;
    min-height: 100vh;
  }
  
  .hero-buttons {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .nav-list {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  
  .pricing-card.featured {
    transform: scale(1);
  }
  
  .contact-form {
    grid-template-columns: 1fr;
  }
  
  .form-group.full-width {
    grid-column: 1;
  }
  
  .awards-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 576px) {
  :root {
    --spacing-lg: 2.5rem;
    --spacing-xl: 3.5rem;
    --font-size-4xl: 2rem;
    --font-size-3xl: 1.5rem;
    --font-size-2xl: 1.25rem;
  }
  
  .section-header {
    margin-bottom: var(--spacing-md);
  }
  
  .partners-grid {
    gap: var(--spacing-sm);
  }
  
  .partner-logo {
    max-width: 120px;
    padding: var(--spacing-sm);
  }
  
  .footer-links {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 400px;
  height: 100vh;
  background-color: var(--white);
  z-index: 1001;
  box-shadow: var(--shadow-lg);
  transition: right var(--transition-normal);
  padding: var(--spacing-lg) var(--spacing-md);
  overflow-y: auto;
}

.mobile-menu.active {
  right: 0;
}

.mobile-menu-close {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 1.5rem;
  background: none;
  border: none;
  color: var(--dark);
  cursor: pointer;
}

.mobile-nav-list {
  margin-top: var(--spacing-lg);
}

.mobile-nav-list li {
  margin-bottom: var(--spacing-sm);
}

.mobile-nav-list a {
  display: block;
  padding: var(--spacing-xs) 0;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  color: var(--dark);
  border-bottom: 1px solid var(--light-gray);
}

.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

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