:root {
  /* Триадная цветовая схема */
  --primary-color: #3498db;     /* Основной синий */
  --primary-dark: #2980b9;      /* Темно-синий */
  --primary-light: #5dade2;     /* Светло-синий */
  
  --secondary-color: #e74c3c;   /* Красный/оранжевый (комплементарный) */
  --secondary-dark: #c0392b;    /* Темно-красный */
  --secondary-light: #f1948a;   /* Светло-красный */
  
  --tertiary-color: #2ecc71;    /* Зеленый (триадный) */
  --tertiary-dark: #27ae60;     /* Темно-зеленый */
  --tertiary-light: #7dcea0;    /* Светло-зеленый */
  
  /* Нейтральные цвета */
  --dark: #333333;              /* Темный для текста */
  --medium-dark: #555555;       /* Средне-темный для подзаголовков */
  --medium: #777777;            /* Средний для второстепенного текста */
  --light: #f5f5f5;             /* Светлый для фонов */
  --white: #ffffff;             /* Белый для контраста */
  
  /* Утилитарные цвета */
  --success: var(--tertiary-color);
  --error: var(--secondary-color);
  --warning: #f39c12;
  --info: var(--primary-color);
  
  /* Размеры */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  /* Тени */
  --shadow-sm: 0 2px 5px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 10px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 20px rgba(0, 0, 0, 0.2);
  
  /* Переходы */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Шрифты */
  --heading-font: 'Archivo Black', sans-serif;
  --body-font: 'Roboto', sans-serif;
}

/* ==== Базовые стили ==== */
html {
  scroll-behavior: smooth;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--heading-font);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1.5rem;
  color: var(--medium-dark);
}

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

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

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

.section-title {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  position: relative;
  color: var(--dark);
  text-transform: uppercase;
}

.section-subtitle {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  color: var(--medium);
}

/* ==== Утилиты ==== */
.text-primary { color: var(--primary-color) !important; }
.text-secondary { color: var(--secondary-color) !important; }
.text-tertiary { color: var(--tertiary-color) !important; }
.text-dark { color: var(--dark) !important; }
.text-medium { color: var(--medium) !important; }
.text-light { color: var(--light) !important; }
.text-white { color: var(--white) !important; }

.bg-primary { background-color: var(--primary-color) !important; }
.bg-secondary { background-color: var(--secondary-color) !important; }
.bg-tertiary { background-color: var(--tertiary-color) !important; }
.bg-dark { background-color: var(--dark) !important; }
.bg-light { background-color: var(--light) !important; }
.bg-white { background-color: var(--white) !important; }

/* ==== Кнопки ==== */
.btn, 
button, 
input[type="submit"] {
  display: inline-block;
  font-weight: 500;
  text-align: center;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  line-height: 1.5;
  border-radius: var(--radius-md);
  transition: all var(--transition-medium);
  cursor: pointer;
  border: none;
  position: relative;
  overflow: hidden;
}

.btn:before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s ease, height 0.6s ease;
  z-index: 1;
}

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

.btn span, 
.btn i, 
.btn svg {
  position: relative;
  z-index: 2;
}

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

.btn-primary:hover {
  background-color: var(--primary-dark);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
  background-color: var(--secondary-dark);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-tertiary:hover {
  background-color: var(--tertiary-dark);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

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

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

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

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

/* ==== Хедер и Навигация ==== */
header {
  transition: background-color var(--transition-medium);
}

.navbar {
  padding: 1rem 0;
  background-color: rgba(0, 0, 0, 0.8);
  transition: all var(--transition-medium);
}

.navbar-brand {
  font-family: var(--heading-font);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--white) !important;
  transition: transform var(--transition-fast);
}

.navbar-brand:hover {
  transform: scale(1.05);
}

.navbar-dark .navbar-nav .nav-link {
  color: var(--white);
  font-weight: 500;
  padding: 0.5rem 1rem;
  position: relative;
  transition: color var(--transition-fast);
}

.navbar-dark .navbar-nav .nav-link:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 1rem;
  right: 1rem;
  height: 2px;
  background-color: var(--primary-color);
  transform: scaleX(0);
  transition: transform var(--transition-medium);
  transform-origin: right center;
}

.navbar-dark .navbar-nav .nav-link:hover:after,
.navbar-dark .navbar-nav .nav-link.active:after {
  transform: scaleX(1);
  transform-origin: left center;
}

.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link.active {
  color: var(--white);
}

.navbar-toggler {
  border: none;
  padding: 0.5rem;
}

.navbar-toggler:focus {
  box-shadow: none;
  outline: none;
}

/* ==== Hero Section ==== */
.hero-section {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--white);
  overflow: hidden;
}

.hero-section:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.7));
  z-index: 1;
}

.hero-section .container {
  position: relative;
  z-index: 2;
}

.hero-section h1 {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
  animation: fadeInUp 1s ease;
}

.hero-section p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  max-width: 700px;
  text-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
  animation: fadeInUp 1s ease 0.2s;
  animation-fill-mode: both;
  color: var(--white);
}

.hero-buttons {
  animation: fadeInUp 1s ease 0.4s;
  animation-fill-mode: both;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==== Estaciones Section ==== */
#estaciones {
  padding: 5rem 0;
}

.card {
  border: none;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
  display: flex;
  flex-direction: column;
  align-items: center;
}

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

.card-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

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

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

.card-body {
  padding: 1.5rem;
  text-align: center;
}

.card-title {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--dark);
}

.card-text {
  color: var(--medium-dark);
  margin-bottom: 1.5rem;
}

/* ==== Gallery Section ==== */
#galeria {
  padding: 5rem 0;
}

.gallery-carousel {
  position: relative;
  margin-bottom: 2rem;
}

.carousel-item {
  padding: 1rem;
}

.image-container {
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 300px;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
  display: flex;
  justify-content: center;
  align-items: center;
}

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

.gallery-caption {
  text-align: center;
  padding: 0.5rem;
}

.gallery-caption h5 {
  font-size: 1.2rem;
  margin-bottom: 0.25rem;
  color: var(--dark);
}

.gallery-caption p {
  color: var(--medium);
  margin-bottom: 0;
}

/* ==== Recursos Section ==== */
#recursos {
  padding: 5rem 0;
}

.resource-card {
  height: 100%;
  border-radius: var(--radius-lg);
  border: none;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

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

/* ==== Pricing Section ==== */
#precios {
  padding: 5rem 0;
}

.pricing-table {
  margin-bottom: 3rem;
}

.table {
  box-shadow: var(--shadow-md);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.table th, .table td {
  vertical-align: middle;
  padding: 1rem;
  text-align: center;
}

.table-dark th {
  background-color: var(--dark);
  border-color: var(--dark);
}

.pricing-note {
  text-align: center;
  color: var(--medium);
}

.pricing-card {
  border: none;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
  text-align: center;
}

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

.pricing-card.popular {
  transform: scale(1.05);
  border: 2px solid var(--primary-color);
  position: relative;
  z-index: 1;
}

.pricing-card.popular:hover {
  transform: scale(1.05) translateY(-10px);
}

.pricing-card .card-header {
  background-color: var(--light);
  border-bottom: none;
  padding: 2rem 1rem;
}

.pricing-card .card-price {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0;
}

.pricing-card .card-body {
  padding: 2rem;
}

.pricing-card ul {
  margin-bottom: 2rem;
}

.pricing-card li {
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

.pricing-card li:last-child {
  border-bottom: none;
}

.pricing-card .card-footer {
  background-color: transparent;
  border-top: none;
  padding: 1.5rem;
}

.ribbon {
  position: absolute;
  top: 0;
  right: 0;
  width: 150px;
  height: 150px;
  overflow: hidden;
  z-index: 1;
}

.ribbon span {
  position: absolute;
  display: block;
  width: 225px;
  padding: 8px 0;
  background-color: var(--primary-color);
  box-shadow: 0 5px 10px rgba(0,0,0,0.1);
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  text-align: center;
  left: -25px;
  top: 30px;
  transform: rotate(45deg);
}

/* ==== Instructors Section ==== */
#expertos {
  padding: 5rem 0;
}

.instructor-card {
  border: none;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

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

.instructor-position {
  color: var(--primary-color);
  font-weight: 500;
  margin-bottom: 1rem;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 1.5rem;
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--light);
  color: var(--primary-color);
  transition: all var(--transition-medium);
}

.social-link:hover {
  background-color: var(--primary-color);
  color: var(--white);
  transform: translateY(-3px);
}

/* ==== Projects Section ==== */
#proyectos {
  padding: 5rem 0;
}

.project-card {
  border: none;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

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

.project-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1rem;
}

.badge {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
}

.project-date {
  color: var(--medium);
  font-size: 0.9rem;
}

/* ==== Events Calendar Section ==== */
#eventos {
  padding: 5rem 0;
}

.event-card {
  border: none;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

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

.event-date {
  position: absolute;
  top: 20px;
  left: 20px;
  background-color: var(--primary-color);
  color: var(--white);
  padding: 0.5rem;
  border-radius: var(--radius-md);
  text-align: center;
  box-shadow: var(--shadow-md);
  z-index: 2;
}

.event-date .day {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
}

.event-date .month {
  display: block;
  font-size: 0.9rem;
  text-transform: uppercase;
}

.event-details {
  color: var(--medium);
}

.event-details p {
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
}

.event-details i {
  margin-right: 0.5rem;
  color: var(--primary-color);
}

/* ==== Accolades Section ==== */
#reconocimientos {
  padding: 5rem 0;
}

.accolade-card {
  border: none;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

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

.accolade-year {
  display: inline-block;
  padding: 0.25rem 1rem;
  background-color: var(--primary-color);
  color: var(--white);
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
}

/* ==== Contact Section ==== */
#contacto {
  padding: 5rem 0;
}

.contact-info {
  padding: 2rem;
  background-color: var(--light);
  border-radius: var(--radius-lg);
  height: 100%;
}

.contact-list {
  margin-top: 1.5rem;
}

.contact-list li {
  margin-bottom: 1rem;
  display: flex;
  align-items: flex-start;
}

.contact-list i {
  margin-right: 1rem;
  color: var(--primary-color);
  font-size: 1.2rem;
}

.social-media h4 {
  margin-bottom: 1rem;
}

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

.social-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--white);
  color: var(--primary-color);
  transition: all var(--transition-medium);
}

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

.contact-form {
  padding: 2rem;
  background-color: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  height: 100%;
}

.form-control {
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  transition: all var(--transition-fast);
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.25rem rgba(52, 152, 219, 0.25);
}

.form-label {
  font-weight: 500;
  color: var(--dark);
  margin-bottom: 0.5rem;
}

/* ==== Map Section ==== */
#mapa {
  padding: 5rem 0;
}

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

/* ==== Footer ==== */
.footer {
  background-color: var(--dark);
  color: var(--white);
  padding: 5rem 0 3rem;
}

.footer h3 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
}

.footer h5 {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  color: var(--primary-light);
}

.footer p {
  color: var(--light);
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

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

.footer-links a {
  color: var(--light);
  transition: color var(--transition-fast), transform var(--transition-fast);
  display: inline-block;
}

.footer-links a:hover {
  color: var(--primary-light);
  transform: translateX(5px);
}

.footer .social-links {
  display: flex;
  gap: 1rem;
  margin-top: 0;
  justify-content: flex-start;
}

.footer .social-links a {
  color: var(--light);
  margin-right: 1rem;
  transition: color var(--transition-fast);
}

.footer .social-links a:hover {
  color: var(--primary-light);
}

.newsletter-form .form-control {
  background-color: rgba(255, 255, 255, 0.1);
  border: none;
  color: var(--white);
}

.newsletter-form .form-control::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.newsletter-form .btn {
  padding: 0.375rem 1rem;
}

.copyright {
  margin-bottom: 0;
  color: var(--medium);
}

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

hr {
  border-color: rgba(255, 255, 255, 0.1);
  margin: 2rem 0;
}

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

.success-content {
  max-width: 600px;
  padding: 3rem;
  background-color: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.success-icon {
  font-size: 5rem;
  color: var(--tertiary-color);
  margin-bottom: 2rem;
}

.success-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.success-message {
  margin-bottom: 2rem;
  color: var(--medium-dark);
}

/* ==== About, Privacy, Terms Pages ==== */
.page-content {
  padding-top: 100px;
  padding-bottom: 5rem;
}

.page-header {
  margin-bottom: 3rem;
  text-align: center;
}

.page-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

/* ==== Animations ==== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInUp {
  from {
    transform: translateY(30px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

.fade-in {
  animation: fadeIn 1s ease;
}

.slide-in-up {
  animation: slideInUp 1s ease;
}

.pulse {
  animation: pulse 2s infinite;
}

/* ==== Media Queries ==== */
@media (max-width: 1199.98px) {
  .hero-section h1 {
    font-size: 3rem;
  }
}

@media (max-width: 991.98px) {
  .navbar-collapse {
    background-color: rgba(0, 0, 0, 0.95);
    padding: 1rem;
    border-radius: var(--radius-md);
  }
  
  .hero-section h1 {
    font-size: 2.5rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
}

@media (max-width: 767.98px) {
  .hero-section {
    min-height: 500px;
  }
  
  .hero-section h1 {
    font-size: 2rem;
  }
  
  .hero-section p {
    font-size: 1rem;
  }
  
  .section-title {
    font-size: 1.8rem;
  }
  
  .card-image {
    height: 200px;
  }
}

@media (max-width: 575.98px) {
  .hero-section {
    min-height: 400px;
  }
  
  .hero-section h1 {
    font-size: 1.8rem;
  }
  
  .section-title {
    font-size: 1.5rem;
  }
  
  .footer h3 {
    font-size: 1.5rem;
  }
  
  .footer h5 {
    font-size: 1rem;
  }
}