:root {
  /* Триадная цветовая схема */
  --primary-color: #3f51b5; /* Основной синий */
  --secondary-color: #ff9800; /* Оранжевый */
  --tertiary-color: #4caf50; /* Зеленый */
  
  /* Оттенки основных цветов */
  --primary-dark: #303f9f;
  --primary-light: #7986cb;
  --secondary-dark: #f57c00;
  --secondary-light: #ffb74d;
  --tertiary-dark: #388e3c;
  --tertiary-light: #81c784;
  
  /* Нейтральные цвета */
  --dark: #333333;
  --light: #f8f9fa;
  --white: #ffffff;
  --gray: #6c757d;
  --gray-light: #dee2e6;
  --gray-dark: #495057;
  
  /* Функциональные цвета */
  --success: var(--tertiary-color);
  --info: var(--primary-light);
  --warning: var(--secondary-color);
  --danger: #dc3545;
  
  /* Тени */
  --shadow-sm: 0 .125rem .25rem rgba(0,0,0,.075);
  --shadow: 0 .5rem 1rem rgba(0,0,0,.15);
  --shadow-lg: 0 1rem 3rem rgba(0,0,0,.175);
  
  /* Скругления */
  --border-radius: 0.5rem;
  --border-radius-sm: 0.25rem;
  --border-radius-lg: 1rem;
  
  /* Переходы */
  --transition: all 0.3s ease;
  --transition-slow: all 0.5s ease;
  --transition-fast: all 0.15s ease;
  
  /* Искривленные сетки */
  --grid-curve: 10deg;
  --section-padding: 5rem 0;
}

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

body {
  font-family: 'Work Sans', sans-serif;
  color: var(--dark);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  line-height: 1.2;
  color: var(--dark);
}

.display-3, .display-4 {
  font-weight: 700;
}

p {
  margin-bottom: 1.5rem;
}

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

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

section {
  position: relative;
  padding: var(--section-padding);
}

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

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

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

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

.card, .testimonial-card, .accolade-card, .instructor-card {
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.card:hover, .testimonial-card:hover, .accolade-card:hover, .instructor-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}

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

.card-image img {
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: var(--transition);
  margin: 0 auto;
}

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

/* Навигация */
.navbar {
  transition: var(--transition);
  padding: 1rem 0;
  background-color: var(--dark) !important;
  box-shadow: var(--shadow);
}

.navbar-brand {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--white) !important;
}

.navbar-dark .navbar-nav .nav-link {
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
  position: relative;
  padding: 0.5rem 1rem;
}

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

.navbar-dark .navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 50%;
  background-color: var(--secondary-color);
  transition: var(--transition);
  transform: translateX(-50%);
}

.navbar-dark .navbar-nav .nav-link:hover::after {
  width: 60%;
}

/* Герой-секция */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  color: var(--white);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  overflow: hidden;
}

.hero-section .overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.4) 100%);
  z-index: 1;
}

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

.hero-section h1 {
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  margin-bottom: 1.5rem;
  color: var(--white);
}

.hero-section p {
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
  margin-bottom: 2rem;
  font-size: 1.2rem;
  color: var(--white);
}

/* Кнопки */
.btn {
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  border-radius: var(--border-radius);
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: var(--shadow-sm);
  border: none;
}

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

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

.btn-primary:hover {
  background-color: var(--primary-dark);
  color: var(--white);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

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

.btn-outline-light:hover {
  background-color: var(--white);
  color: var(--primary-color);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

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

.btn-secondary:hover {
  background-color: var(--secondary-dark);
  color: var(--white);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

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

.btn-outline-primary:hover {
  background-color: var(--primary-color);
  color: var(--white);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

/* Секция услуг */
#servicios .card {
  height: 100%;
  text-align: center;
  padding: 2rem;
  border: none;
  background-color: var(--white);
}

#servicios .card-img-top {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: var(--border-radius-sm);
  margin-bottom: 1.5rem;
}

#servicios .card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

#servicios .card h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

/* Методология */
.methodology-timeline {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
}

.methodology-timeline::after {
  content: '';
  position: absolute;
  width: 6px;
  background-color: var(--primary-light);
  top: 0;
  bottom: 0;
  left: 50%;
  margin-left: -3px;
  border-radius: var(--border-radius);
}

.timeline-item {
  padding: 10px 40px;
  position: relative;
  width: 50%;
  box-sizing: border-box;
  margin-bottom: 30px;
}

.timeline-item:nth-child(odd) {
  left: 0;
}

.timeline-item:nth-child(even) {
  left: 50%;
}

.timeline-item::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  right: -10px;
  background-color: var(--white);
  border: 4px solid var(--primary-color);
  top: 15px;
  border-radius: 50%;
  z-index: 1;
}

.timeline-item:nth-child(even)::after {
  left: -10px;
}

.timeline-number {
  position: absolute;
  width: 40px;
  height: 40px;
  right: -60px;
  background-color: var(--primary-color);
  color: var(--white);
  top: 5px;
  border-radius: 50%;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 1.2rem;
}

.timeline-item:nth-child(even) .timeline-number {
  left: -60px;
}

.timeline-content {
  padding: 20px 30px;
  background-color: var(--white);
  position: relative;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
}

/* Секция партнеров */
.partners-slider {
  padding: 2rem 0;
}

.partners-slider img {
  max-height: 100px;
  width: auto;
  filter: grayscale(100%);
  transition: var(--transition);
  opacity: 0.7;
}

.partners-slider img:hover {
  filter: grayscale(0);
  opacity: 1;
}

/* Внешние ресурсы */
#recursos .card {
  text-align: center;
  border: none;
  height: 100%;
}

#recursos .card-img-top {
  height: 250px;
  object-fit: cover;
  border-radius: var(--border-radius-sm);
}

#recursos .btn {
  margin-top: auto;
}

/* Секция отзывов */
.testimonial-card {
  height: 100%;
  border: none;
}

.testimonial-card img {
  width: 80px;
  height: 80px;
  object-fit: cover;
}

/* Секция признаний */
.accolade-card {
  text-align: center;
  border: none;
}

.accolade-card img {
  height: 250px;
  object-fit: cover;
  border-radius: var(--border-radius-sm);
}

/* Секция команды */
.instructor-card {
  text-align: center;
  border: none;
}

.instructor-card img {
  height: 400px;
  object-fit: cover;
  border-radius: var(--border-radius-sm);
}

/* FAQ */
.accordion-item {
  margin-bottom: 1rem;
  border-radius: var(--border-radius) !important;
  overflow: hidden;
}

.accordion-button {
  background-color: var(--white);
  color: var(--dark);
  padding: 1.25rem;
  font-weight: 600;
}

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

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

.accordion-button::after {
  background-size: 1.25rem;
  transition: var(--transition);
}

.accordion-body {
  padding: 1.5rem;
  background-color: var(--white);
}

/* Контакты */
.contact-info {
  height: 100%;
}

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

.contact-form {
  height: 100%;
}

.form-control, .form-select {
  padding: 0.75rem;
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--gray-light);
  transition: var(--transition);
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.25rem rgba(63, 81, 181, 0.25);
}

/* Футер */
footer {
  background-color: var(--dark);
  color: var(--white);
  padding: 5rem 0 2rem;
}

footer h3 {
  color: var(--white);
  margin-bottom: 1.5rem;
  position: relative;
}

footer h3::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -10px;
  width: 50px;
  height: 3px;
  background-color: var(--secondary-color);
}

footer ul {
  padding-left: 0;
}

footer ul li {
  margin-bottom: 0.75rem;
}

footer a {
  color: var(--gray-light);
  transition: var(--transition);
}

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

.social-links a {
  display: inline-block;
  margin-right: 1rem;
  transition: var(--transition);
}

.social-links a:hover {
  transform: translateY(-3px);
  color: var(--secondary-color);
}

/* Cookie Consent */
#cookieConsent {
  background-color: rgba(33, 37, 41, 0.95);
  color: var(--white);
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  padding: 1.5rem 0;
}

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

.success-content {
  max-width: 800px;
  background-color: var(--white);
  padding: 3rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
}

.success-icon {
  font-size: 5rem;
  color: var(--success);
  margin-bottom: 1.5rem;
}

/* Privacy & Terms Pages */
.policy-page {
  padding-top: 100px;
  padding-bottom: 5rem;
}

.policy-content {
  background-color: var(--white);
  padding: 3rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
}

/* Parallax Effect */
.parallax-bg {
  background-attachment: fixed;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}

/* Animation Classes */
[data-aos] {
  opacity: 0;
  transition: var(--transition-slow);
}

[data-aos="fade-up"] {
  transform: translateY(50px);
}

[data-aos="fade-down"] {
  transform: translateY(-50px);
}

[data-aos="fade-right"] {
  transform: translateX(-50px);
}

[data-aos="fade-left"] {
  transform: translateX(50px);
}

[data-aos="zoom-in"] {
  transform: scale(0.9);
}

[data-aos].aos-animate {
  opacity: 1;
  transform: translateY(0) translateX(0) scale(1);
}

/* Curve Sections */
.curve-section {
  position: relative;
  padding: 5rem 0;
}

.curve-section::before {
  content: '';
  position: absolute;
  top: -70px;
  left: 0;
  width: 100%;
  height: 70px;
  background-color: inherit;
  transform: skewY(var(--grid-curve));
}

.curve-section::after {
  content: '';
  position: absolute;
  bottom: -70px;
  left: 0;
  width: 100%;
  height: 70px;
  background-color: inherit;
  transform: skewY(var(--grid-curve));
  z-index: 1;
}

/* Медиа-запросы */
@media (max-width: 992px) {
  .timeline-item {
    width: 100%;
    padding-left: 70px;
    padding-right: 25px;
  }
  
  .timeline-item:nth-child(even) {
    left: 0;
  }
  
  .methodology-timeline::after {
    left: 31px;
  }
  
  .timeline-item::after {
    left: 21px;
    right: auto;
  }
  
  .timeline-item:nth-child(even)::after {
    left: 21px;
  }
  
  .timeline-number {
    left: 0;
    right: auto;
  }
  
  .timeline-item:nth-child(even) .timeline-number {
    left: 0;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 3rem 0;
  }
  
  h1, .h1 {
    font-size: 2.5rem;
  }
  
  h2, .h2 {
    font-size: 2rem;
  }
  
  .hero-section {
    min-height: calc(100vh - 76px);
  }
}

@media (max-width: 576px) {
  :root {
    --section-padding: 2rem 0;
  }
  
  .btn {
    padding: 0.6rem 1.2rem;
  }
  
  .btn-lg {
    padding: 0.8rem 1.5rem;
    font-size: 1rem;
  }
}