:root {
  /* Тетрадная цветовая схема */
  --primary-color: #4A90E2;
  --primary-dark: #3A71B0;
  --primary-light: #7FB1F5;
  
  --secondary-color: #E27A4A;
  --secondary-dark: #B35F39;
  --secondary-light: #F5A77F;
  
  --tertiary-color: #4AE2A0;
  --tertiary-dark: #37B07C;
  --tertiary-light: #7FF5C2;
  
  --quaternary-color: #A04AE2;
  --quaternary-dark: #7D37B0;
  --quaternary-light: #C27FF5;
  
  /* Нейтральные цвета */
  --dark: #222222;
  --gray-dark: #444444;
  --gray: #666666;
  --gray-light: #AAAAAA;
  --light: #F8F9FA;
  --white: #FFFFFF;
  
  /* Тени и глубина для неоморфизма */
  --shadow-light: rgba(255, 255, 255, 0.5);
  --shadow-dark: rgba(0, 0, 0, 0.15);
  
  /* Радиусы скругления */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  
  /* Переходы */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* Base Styles */
body {
  font-family: 'Roboto', sans-serif;
  color: var(--dark);
  background-color: var(--light);
  overflow-x: hidden;
  margin: 0;
  padding: 0;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Archivo Black', sans-serif;
  margin-bottom: 1rem;
  color: var(--dark);
}

p {
  line-height: 1.6;
  margin-bottom: 1rem;
  color: var(--gray-dark);
}

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

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

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

.section-padding {
  padding: 5rem 0;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  position: relative;
  text-align: center;
  color: var(--dark);
}

.section-subtitle {
  font-size: 1.2rem;
  color: var(--gray);
  text-align: center;
  margin-bottom: 3rem;
}

/* Кнопки - глобальные стили */
.btn, 
button, 
input[type="submit"] {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
  background-color: var(--primary-color);
  color: var(--white);
  box-shadow: 
    8px 8px 16px var(--shadow-dark),
    -8px -8px 16px var(--shadow-light);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn:hover, 
button:hover, 
input[type="submit"]:hover {
  transform: translateY(-3px);
  box-shadow: 
    10px 10px 20px var(--shadow-dark),
    -10px -10px 20px var(--shadow-light);
}

.btn:active, 
button:active, 
input[type="submit"]:active {
  transform: translateY(1px);
  box-shadow: 
    5px 5px 10px var(--shadow-dark),
    -5px -5px 10px var(--shadow-light);
}

.btn::before, 
button::before, 
input[type="submit"]::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    120deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transform: translateX(-100%);
  z-index: -1;
}

.btn:hover::before, 
button:hover::before, 
input[type="submit"]:hover::before {
  animation: shimmer 1.5s infinite;
}

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

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

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

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

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

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

/* Neomorphic Cards */
.card {
  border: none;
  border-radius: var(--radius-lg);
  background-color: var(--light);
  box-shadow: 
    8px 8px 16px var(--shadow-dark),
    -8px -8px 16px var(--shadow-light);
  transition: all var(--transition-normal);
  margin-bottom: 2rem;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 
    12px 12px 24px var(--shadow-dark),
    -12px -12px 24px var(--shadow-light);
}

.card-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  text-align: center;
}

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

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

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

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(248, 249, 250, 0.9);
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  padding: 1rem 0;
  transition: all var(--transition-normal);
}

.header.scrolled {
  padding: 0.5rem 0;
  background-color: rgba(248, 249, 250, 0.95);
}

.navbar-brand {
  font-family: 'Archivo Black', sans-serif;
  font-size: 1.5rem;
  color: var(--primary-color);
  transition: var(--transition-fast);
}

.navbar-brand:hover {
  color: var(--primary-dark);
}

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

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

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

.navbar-nav .nav-link:hover::after {
  width: 70%;
}

.navbar-toggler {
  border: none;
  background-color: transparent;
  box-shadow: none;
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  text-align: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  padding: 6rem 0;
  margin-top: 0;
  overflow: hidden;
}

.hero .overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.5) 100%);
  z-index: 1;
}

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

.hero-title {
  font-size: 3.5rem;
  color: var(--white);
  margin-bottom: 1.5rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
  animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--white);
  margin-bottom: 2rem;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
  animation: fadeInUp 1s ease-out 0.2s;
  animation-fill-mode: both;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  animation: fadeInUp 1s ease-out 0.4s;
  animation-fill-mode: both;
}

/* Servicios Section */
.servicios .servicio-card h3 {
  color: var(--primary-color);
  margin-top: 1rem;
}

.btn-servicios {
  display: inline-block;
  padding: 0.5rem 1.5rem;
  background-color: var(--primary-color);
  color: var(--white);
  border-radius: var(--radius-md);
  margin-top: 1rem;
  transition: var(--transition-normal);
}

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

/* Precios Section */
.precios {
  background-color: var(--light);
}

.precio-card {
  height: 100%;
  transition: all var(--transition-normal);
}

.precio-card.destacado {
  transform: scale(1.05);
  box-shadow: 
    12px 12px 24px var(--shadow-dark),
    -12px -12px 24px var(--shadow-light);
  border: 2px solid var(--primary-light);
}

.precio-card .card-header {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: var(--white);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  padding: 1.5rem;
  text-align: center;
}

.precio-card.destacado .card-header {
  background: linear-gradient(135deg, var(--secondary-color), var(--secondary-dark));
}

.precio-card .precio {
  text-align: center;
  padding: 1rem 0;
}

.precio-card .precio h4 {
  font-size: 2.5rem;
  margin: 0.5rem 0;
}

.precio-card .precio span {
  color: var(--gray);
  font-size: 0.9rem;
}

.precio-card ul {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0;
}

.precio-card ul li {
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  position: relative;
  padding-left: 1.5rem;
}

.precio-card ul li::before {
  content: '✓';
  color: var(--tertiary-color);
  position: absolute;
  left: 0;
  top: 0.5rem;
}

.btn-precios {
  display: inline-block;
  padding: 0.75rem 2rem;
  background-color: var(--primary-color);
  color: var(--white);
  border-radius: var(--radius-md);
  margin-top: 1rem;
  transition: var(--transition-normal);
  width: 100%;
}

.precio-card.destacado .btn-precios {
  background-color: var(--secondary-color);
}

.btn-precios:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  color: var(--white);
}

/* Reconocimientos Section */
.reconocimientos {
  background: linear-gradient(135deg, var(--light), #e8e8e8);
}

.premio-card .card-content h3 {
  color: var(--secondary-color);
}

/* Investigación Section */
.investigacion-card .card-content h3 {
  color: var(--tertiary-color);
}

.btn-investigacion {
  display: inline-block;
  padding: 0.5rem 1.5rem;
  background-color: var(--tertiary-color);
  color: var(--dark);
  border-radius: var(--radius-md);
  margin-top: 1rem;
  transition: var(--transition-normal);
}

.btn-investigacion:hover {
  background-color: var(--tertiary-dark);
  color: var(--dark);
  transform: translateY(-3px);
}

/* Recursos Section */
.recursos {
  background-color: var(--light);
}

.recurso-card .card-content h3 {
  color: var(--quaternary-color);
}

.recursos-list {
  list-style: none;
  padding: 0;
}

.recursos-list li {
  margin-bottom: 0.75rem;
}

.recursos-list a {
  color: var(--quaternary-color);
  transition: var(--transition-fast);
  display: inline-block;
  padding: 0.25rem 0;
  position: relative;
}

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

.recursos-list a:hover {
  color: var(--quaternary-dark);
}

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

/* Casos de Éxito Section */
.exitos {
  background: linear-gradient(135deg, #e8e8e8, var(--light));
}

.caso-card .card-content h3 {
  color: var(--primary-color);
}

/* Eventos Section */
.eventos {
  background-color: var(--light);
}

.evento-card .card-content h3 {
  color: var(--secondary-color);
}

.evento-fecha {
  color: var(--gray);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.btn-evento {
  display: inline-block;
  padding: 0.5rem 1.5rem;
  background-color: var(--secondary-color);
  color: var(--white);
  border-radius: var(--radius-md);
  margin-top: 1rem;
  transition: var(--transition-normal);
}

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

/* Noticias Section */
.noticias {
  background: linear-gradient(135deg, var(--light), #e8e8e8);
}

.noticia-card .card-content h3 {
  color: var(--quaternary-color);
  font-size: 1.3rem;
}

.noticia-fecha {
  color: var(--gray);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.btn-noticia {
  display: inline-block;
  padding: 0.5rem 1.5rem;
  background-color: var(--quaternary-color);
  color: var(--white);
  border-radius: var(--radius-md);
  margin-top: 1rem;
  transition: var(--transition-normal);
}

.btn-noticia:hover {
  background-color: var(--quaternary-dark);
  color: var(--white);
  transform: translateY(-3px);
}

/* Media Section */
.media {
  background-color: var(--light);
}

.media-card .card-content h3 {
  color: var(--tertiary-color);
}

.btn-media {
  display: inline-block;
  padding: 0.5rem 1.5rem;
  background-color: var(--tertiary-color);
  color: var(--dark);
  border-radius: var(--radius-md);
  margin-top: 1rem;
  transition: var(--transition-normal);
}

.btn-media:hover {
  background-color: var(--tertiary-dark);
  color: var(--dark);
  transform: translateY(-3px);
}

/* Contacto Section */
.contacto {
  background: linear-gradient(135deg, #e8e8e8, var(--light));
}

.contacto-info, .contacto-form {
  background-color: var(--white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: 
    8px 8px 16px var(--shadow-dark),
    -8px -8px 16px var(--shadow-light);
  height: 100%;
}

.contacto-info h3, .contacto-form h3 {
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

.info-item {
  display: flex;
  margin-bottom: 1.5rem;
  align-items: flex-start;
}

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

.info-item p {
  margin: 0;
}

.mapa {
  margin-top: 2rem;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.mapa img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-control {
  border-radius: var(--radius-md);
  border: none;
  background-color: #f0f0f0;
  padding: 0.75rem 1rem;
  transition: var(--transition-normal);
  box-shadow: inset 4px 4px 8px var(--shadow-dark), inset -4px -4px 8px var(--shadow-light);
}

.form-control:focus {
  box-shadow: inset 2px 2px 5px var(--shadow-dark), inset -2px -2px 5px var(--shadow-light);
  outline: none;
  border: none;
}

.form-check-input {
  border-radius: 3px;
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.2rem;
}

.form-check-label {
  margin-left: 0.5rem;
}

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

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

.footer p {
  color: var(--gray-light);
}

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

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

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

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

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

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

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

.newsletter-form .input-group {
  border-radius: var(--radius-md);
  overflow: hidden;
}

.newsletter-form .form-control {
  border-radius: var(--radius-md) 0 0 var(--radius-md);
  background-color: rgba(255, 255, 255, 0.1);
  border: none;
  color: var(--white);
}

.newsletter-form .btn {
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.certificaciones {
  margin-top: 2rem;
}

.certificaciones h4 {
  color: var(--white);
  margin-bottom: 1rem;
}

.copyright {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.copyright p {
  color: var(--gray-light);
  margin: 0;
}

/* Modal Styles */
.modal-content {
  border-radius: var(--radius-lg);
  box-shadow: 
    12px 12px 24px var(--shadow-dark),
    -12px -12px 24px var(--shadow-light);
  border: none;
  overflow: hidden;
}

.modal-header {
  border-bottom: none;
  padding: 1.5rem;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: var(--white);
}

.modal-title {
  color: var(--white);
}

.modal-body {
  padding: 2rem;
}

.btn-close {
  color: var(--white);
  opacity: 1;
  filter: brightness(0) invert(1);
}

.evento-detalles {
  background-color: rgba(0, 0, 0, 0.05);
  padding: 1rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
}

/* Cookie Consent */
.cookie-consent {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: rgba(0, 0, 0, 0.9);
  color: var(--white);
  padding: 1rem;
  display: none;
  z-index: 9999;
}

.cookie-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.cookie-content p {
  margin: 0;
  color: var(--white);
}

.btn-accept {
  background-color: var(--primary-color);
  color: var(--white);
  border: none;
  padding: 0.5rem 1.5rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-fast);
}

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

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

.success-container {
  max-width: 600px;
  background-color: var(--white);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: 
    8px 8px 16px var(--shadow-dark),
    -8px -8px 16px var(--shadow-light);
}

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

.success-title {
  color: var(--tertiary-color);
  margin-bottom: 1rem;
}

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

.page-content h1 {
  color: var(--primary-color);
  margin-bottom: 2rem;
}

.page-content h2 {
  color: var(--secondary-color);
  margin-top: 2.5rem;
  margin-bottom: 1.5rem;
}

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

@keyframes shimmer {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

/* Responsive Adjustments */
@media (max-width: 991.98px) {
  .section-title {
    font-size: 2rem;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.25rem;
  }
  
  .precio-card.destacado {
    transform: scale(1);
  }
  
  .cookie-content {
    flex-direction: column;
    text-align: center;
  }
  
  .cookie-content p {
    margin-bottom: 1rem;
  }
}

@media (max-width: 767.98px) {
  .section-padding {
    padding: 3rem 0;
  }
  
  .hero-buttons {
    flex-direction: column;
    gap: 0.75rem;
  }
  
  .social-links {
    justify-content: center;
  }
  
  .newsletter-form .input-group {
    flex-direction: column;
  }
  
  .newsletter-form .form-control {
    border-radius: var(--radius-md);
    margin-bottom: 0.5rem;
  }
  
  .newsletter-form .btn {
    border-radius: var(--radius-md);
    width: 100%;
  }
}

@media (max-width: 575.98px) {
  .section-title {
    font-size: 1.75rem;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .success-container {
    padding: 2rem;
  }
}