:root {
  /* Нейтральная цветовая схема */
  --primary: #3D5A80;
  --primary-dark: #2C4266;
  --primary-light: #5D7FA0;
  --secondary: #98C1D9;
  --secondary-dark: #7BA0B8;
  --secondary-light: #B8DFEF;
  --accent: #EE6C4D;
  --accent-dark: #D0553A;
  --accent-light: #F58A72;
  --dark: #293241;
  --light: #E0FBFC;
  --white: #FFFFFF;
  --gray-100: #F8F9FA;
  --gray-200: #E9ECEF;
  --gray-300: #DEE2E6;
  --gray-400: #CED4DA;
  --gray-500: #ADB5BD;
  --gray-600: #6C757D;
  --gray-700: #495057;
  --gray-800: #343A40;
  --gray-900: #212529;
  
  /* Размеры и радиусы */
  --border-radius-sm: 0.25rem;
  --border-radius: 0.5rem;
  --border-radius-lg: 1rem;
  --border-radius-xl: 1.5rem;
  
  /* Тени */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 6px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
  
  /* Переходы */
  --transition-fast: 0.2s ease;
  --transition: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* Базовые стили */
body {
  font-family: 'Nunito', sans-serif;
  color: var(--gray-800);
  background-color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6, .h1, .h2, .h3, .h4, .h5, .h6 {
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 1rem;
  color: var(--dark);
}

p {
  margin-bottom: 1.5rem;
}

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

a:hover {
  color: var(--primary-dark);
  text-decoration: none;
}

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

.text-primary {
  color: var(--primary) !important;
}

.text-secondary {
  color: var(--secondary) !important;
}

.text-accent {
  color: var(--accent) !important;
}

.bg-primary {
  background-color: var(--primary) !important;
}

.bg-secondary {
  background-color: var(--secondary) !important;
}

.bg-accent {
  background-color: var(--accent) !important;
}

.bg-light {
  background-color: var(--gray-100) !important;
}

.bg-dark {
  background-color: var(--dark) !important;
}

/* Кнопки - глобальные стили */
.btn {
  font-weight: 600;
  border-radius: var(--border-radius);
  padding: 0.6rem 1.5rem;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow);
  border: none;
}

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

.btn:active {
  transform: translateY(0);
  box-shadow: var(--shadow);
}

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

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

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

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

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

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

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

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

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

.btn-outline-secondary:hover, .btn-outline-secondary:focus {
  background-color: var(--secondary);
  color: var(--dark);
}

.btn-lg {
  padding: 0.8rem 2rem;
  font-size: 1.25rem;
}

.btn-sm {
  padding: 0.4rem 1rem;
  font-size: 0.875rem;
}

/* Navbar */
.navbar {
  transition: all var(--transition-fast);
  padding: 1rem 0;
}

.navbar-brand img {
  transition: all var(--transition-fast);
}

.navbar-light .navbar-nav .nav-link {
  color: var(--gray-700);
  font-weight: 600;
  padding: 0.5rem 1rem;
  transition: color var(--transition-fast);
}

.navbar-light .navbar-nav .nav-link:hover,
.navbar-light .navbar-nav .nav-link:focus {
  color: var(--primary);
}

.navbar-light .navbar-nav .active > .nav-link,
.navbar-light .navbar-nav .nav-link.active,
.navbar-light .navbar-nav .nav-link.show,
.navbar-light .navbar-nav .show > .nav-link {
  color: var(--primary);
}

.navbar.scrolled {
  background-color: var(--white) !important;
  box-shadow: var(--shadow-md);
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-image {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: -1;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  animation: fadeInUp 1s ease;
}

.hero .lead {
  font-size: 1.5rem;
  font-weight: 400;
  margin-bottom: 2rem;
  animation: fadeInUp 1.2s ease;
}

.hero .btn {
  animation: fadeInUp 1.4s ease;
}

/* Card styles */
.card {
  border: none;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  box-shadow: var(--shadow);
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.card-image {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

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

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

.card-title {
  font-weight: 700;
}

/* Testimonial & Team Member Styles */
.testimonial, .team-member {
  text-align: center;
}

.testimonial img, .team-member img {
  margin: 0 auto;
}

/* FAQ Section */
.accordion-item {
  border: none;
  margin-bottom: 1rem;
}

.accordion-button {
  font-family: 'Oswald', sans-serif;
  font-weight: 500;
  color: var(--dark);
  background-color: var(--white);
  box-shadow: var(--shadow-sm);
  border-radius: var(--border-radius) !important;
}

.accordion-button:not(.collapsed) {
  color: var(--primary);
  background-color: var(--light);
  box-shadow: var(--shadow);
}

.accordion-button:focus {
  box-shadow: none;
  border-color: var(--gray-300);
}

/* Contact Form */
.form-control, .form-select {
  border: 1px solid var(--gray-300);
  border-radius: var(--border-radius);
  padding: 0.75rem 1rem;
  font-size: 1rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 0.2rem rgba(61, 90, 128, 0.25);
}

textarea.form-control {
  min-height: 120px;
}

/* Footer */
footer {
  background-color: var(--dark);
  color: var(--light);
  padding: 4rem 0 2rem;
}

footer a {
  color: var(--white);
  transition: color var(--transition-fast);
}

footer a:hover {
  color: var(--accent);
  text-decoration: none;
}

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

footer .social-icons a {
  font-size: 1.5rem;
  transition: color var(--transition-fast);
}

footer .social-icons a:hover {
  color: var(--accent);
}

/* Success Page */
.success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
}

.success-page .container {
  max-width: 800px;
}

.success-page h1 {
  font-size: 3rem;
  margin-bottom: 2rem;
  color: var(--primary);
}

.success-page .icon {
  font-size: 6rem;
  color: var(--accent);
  margin-bottom: 2rem;
  animation: bounceIn 1s ease;
}

/* Privacy & Terms Pages */
.content-page {
  padding-top: 100px;
  padding-bottom: 4rem;
}

.content-page h1 {
  margin-bottom: 2rem;
}

.content-page h2 {
  margin-top: 2.5rem;
  margin-bottom: 1.5rem;
}

/* About Us */
.about-us-section img {
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
}

/* Portfolio */
.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius-lg);
  margin-bottom: 2rem;
}

.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.portfolio-item:hover img {
  transform: scale(1.1);
}

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(41, 50, 65, 0.8);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}

.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-title {
  color: var(--white);
  margin-bottom: 0.5rem;
  transform: translateY(20px);
  opacity: 0;
  transition: all var(--transition-slow);
}

.portfolio-category {
  color: var(--light);
  transform: translateY(20px);
  opacity: 0;
  transition: all var(--transition-slow) 0.1s;
}

.portfolio-item:hover .portfolio-title,
.portfolio-item:hover .portfolio-category {
  transform: translateY(0);
  opacity: 1;
}

/* Awards */
.award-item {
  display: flex;
  align-items: center;
  margin-bottom: 2rem;
  padding: 1.5rem;
  background-color: var(--white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow);
  transition: all var(--transition);
}

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

.award-icon {
  font-size: 3rem;
  color: var(--accent);
  margin-right: 1.5rem;
}

.award-content h3 {
  margin-bottom: 0.5rem;
}

.award-content p {
  margin-bottom: 0;
  color: var(--gray-600);
}

/* Press Section */
.press-logo {
  opacity: 0.6;
  transition: opacity var(--transition), transform var(--transition);
  padding: 1.5rem;
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.press-logo img {
  max-height: 100%;
  width: auto;
}

.press-logo:hover {
  opacity: 1;
  transform: translateY(-5px);
}

/* Clientele */
.client-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background-color: var(--white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  margin-bottom: 2rem;
  transition: all var(--transition);
}

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

.client-logo img {
  max-width: 80%;
  max-height: 80px;
}

/* Success Stories */
.success-story {
  position: relative;
  padding: 2rem;
  background-color: var(--white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow);
  margin-bottom: 2rem;
  transition: all var(--transition);
  overflow: hidden;
}

.success-story:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.success-story::before {
  content: '"';
  font-family: 'Oswald', sans-serif;
  font-size: 8rem;
  position: absolute;
  top: -2rem;
  left: 1rem;
  color: var(--gray-200);
  z-index: 0;
}

.success-story-content {
  position: relative;
  z-index: 1;
}

.success-story-author {
  display: flex;
  align-items: center;
  margin-top: 1.5rem;
}

.success-story-author img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  margin-right: 1rem;
}

.success-story-author-info h4 {
  margin-bottom: 0.25rem;
}

.success-story-author-info p {
  margin-bottom: 0;
  color: var(--gray-600);
}

/* Instructors */
.instructor-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 2rem;
  background-color: var(--white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow);
  margin-bottom: 2rem;
  transition: all var(--transition);
  overflow: hidden;
}

.instructor-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.instructor-img-container {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  overflow: hidden;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow);
}

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

.instructor-social {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 1rem;
}

.instructor-social a {
  color: var(--gray-600);
  transition: color var(--transition-fast);
}

.instructor-social a:hover {
  color: var(--primary);
}

/* Read More Link */
.read-more {
  display: inline-flex;
  align-items: center;
  color: var(--primary);
  font-weight: 600;
  transition: color var(--transition-fast);
}

.read-more:after {
  content: '→';
  margin-left: 0.5rem;
  transition: transform var(--transition-fast);
}

.read-more:hover {
  color: var(--primary-dark);
}

.read-more:hover:after {
  transform: translateX(5px);
}

/* Social Links in Footer */
.social-links a {
  color: var(--gray-400);
  transition: color var(--transition-fast);
  text-decoration: none;
  margin-right: 1rem;
  font-weight: 600;
}

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

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounceIn {
  0% {
    opacity: 0;
    transform: scale(0.3);
  }
  50% {
    opacity: 1;
    transform: scale(1.1);
  }
  70% {
    transform: scale(0.9);
  }
  100% {
    transform: scale(1);
  }
}

/* Responsive adjustments */
@media (max-width: 991.98px) {
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .hero .lead {
    font-size: 1.25rem;
  }
}

@media (max-width: 767.98px) {
  .hero {
    min-height: 70vh;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero .lead {
    font-size: 1.1rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
}

@media (max-width: 575.98px) {
  .hero {
    min-height: 60vh;
  }
  
  .hero h1 {
    font-size: 1.75rem;
  }
  
  .hero .lead {
    font-size: 1rem;
  }
  
  .section-title {
    font-size: 1.75rem;
  }
}

/* AOS Animations */
[data-aos] {
  pointer-events: none;
}

[data-aos].aos-animate {
  pointer-events: auto;
}

/* Custom Glassmorphism Effect */
.glassmorphism {
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

/* Custom Card Effects */
.card-3d {
  transition: transform var(--transition);
  transform-style: preserve-3d;
}

.card-3d:hover {
  transform: rotateY(5deg) rotateX(5deg) translateZ(10px);
}

/* Custom Utility Classes */
.rounded-custom {
  border-radius: var(--border-radius-lg);
}

.text-shadow {
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.min-vh-75 {
  min-height: 75vh;
}

/* Social Icons Footer */
.social-icon {
  color: var(--gray-400);
  font-size: 1.5rem;
  margin-right: 1rem;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.social-icon:hover {
  color: var(--accent);
  transform: translateY(-3px);
}