/* ===== CSS ПЕРЕМЕННЫЕ ===== */
:root {
  /* Дополнительная цветовая схема */
  --primary-color: #FF6B35;
  --primary-dark: #E55A2B;
  --primary-light: #FF8C69;
  --secondary-color: #4ECDC4;
  --secondary-dark: #45B7B8;
  --secondary-light: #6BCF7F;
  
  /* Акцентные цвета */
  --accent-orange: #FFA726;
  --accent-teal: #26A69A;
  --accent-coral: #FF7043;
  --accent-mint: #4DB6AC;
  
  /* Нейтральные цвета */
  --dark: #2C3E50;
  --dark-secondary: #34495E;
  --light: #ECF0F1;
  --white: #FFFFFF;
  --grey: #95A5A6;
  --grey-light: #BDC3C7;
  --grey-dark: #7F8C8D;
  
  /* Градиенты */
  --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-orange) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--secondary-color) 0%, var(--accent-mint) 100%);
  --gradient-dark: linear-gradient(135deg, var(--dark) 0%, var(--dark-secondary) 100%);
  --gradient-overlay: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.3));
  
  /* Тени и 3D эффекты */
  --shadow-light: 0 2px 10px rgba(0,0,0,0.1);
  --shadow-medium: 0 8px 25px rgba(0,0,0,0.15);
  --shadow-heavy: 0 15px 35px rgba(0,0,0,0.2);
  --shadow-3d: 0 10px 30px rgba(0,0,0,0.3), 0 1px 8px rgba(0,0,0,0.2);
  
  /* Шрифты */
  --font-primary: 'Montserrat', sans-serif;
  --font-secondary: 'Merriweather', serif;
  
  /* Размеры и отступы */
  --border-radius: 12px;
  --border-radius-large: 20px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;
  
  /* Переходы */
  --transition-fast: 0.2s ease-out;
  --transition-medium: 0.3s ease-out;
  --transition-slow: 0.5s ease-out;
}

/* ===== БАЗОВЫЕ СТИЛИ ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

/* ===== ТИПОГРАФИКА ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 700;
  line-height: 1.2;
  color: var(--dark);
  margin-bottom: var(--spacing-sm);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.8rem; }
h3 { font-size: 2.2rem; }
h4 { font-size: 1.8rem; }
h5 { font-size: 1.4rem; }
h6 { font-size: 1.2rem; }

p {
  margin-bottom: var(--spacing-sm);
  font-size: 1.1rem;
  line-height: 1.7;
}

/* ===== КНОПКИ (ГЛОБАЛЬНЫЕ СТИЛИ) ===== */
.btn, button, input[type='submit'], .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 30px;
  border: none;
  border-radius: var(--border-radius);
  font-family: var(--font-primary);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-medium);
  position: relative;
  overflow: hidden;
  background: var(--gradient-primary);
  color: var(--white);
  box-shadow: var(--shadow-medium);
  transform: translateY(0) perspective(1000px) rotateX(0);
}

.btn::before, button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left var(--transition-medium);
}

.btn:hover, button:hover {
  transform: translateY(-3px) perspective(1000px) rotateX(5deg);
  box-shadow: var(--shadow-3d);
  filter: brightness(1.1);
}

.btn:hover::before, button:hover::before {
  left: 100%;
}

.btn:active, button:active {
  transform: translateY(-1px) perspective(1000px) rotateX(2deg);
}

.btn.is-secondary {
  background: var(--gradient-secondary);
}

.btn.is-light {
  background: var(--white);
  color: var(--dark);
  border: 2px solid var(--grey-light);
}

.btn.is-large {
  padding: 16px 40px;
  font-size: 1.2rem;
}

/* ===== НАВИГАЦИЯ ===== */
.navbar {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0,0,0,0.1);
  transition: all var(--transition-medium);
  z-index: 1000;
}

.navbar-item {
  font-family: var(--font-primary);
  font-weight: 600;
  color: var(--dark);
  transition: color var(--transition-fast);
  position: relative;
}

.navbar-item::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: all var(--transition-medium);
  transform: translateX(-50%);
}

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

.navbar-item:hover::after {
  width: 100%;
}

.navbar-burger {
  color: var(--dark);
}

/* ===== HERO СЕКЦИЯ ===== */
.hero {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.parallax-bg {
  background-attachment: fixed;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  position: relative;
}

.parallax-bg::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-overlay);
  z-index: 1;
}

.hero-body {
  position: relative;
  z-index: 2;
  text-align: center;
}

.hero .title {
  color: var(--white) !important;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
  margin-bottom: var(--spacing-md);
  transform: perspective(1000px) rotateX(0);
  transition: transform var(--transition-slow);
}

.hero .subtitle {
  color: var(--white) !important;
  text-shadow: 1px 1px 3px rgba(0,0,0,0.5);
  margin-bottom: var(--spacing-lg);
  font-weight: 300;
}

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

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

.section.has-background-light {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

/* ===== ЗАГОЛОВКИ СЕКЦИЙ ===== */
.title-underline {
  width: 80px;
  height: 4px;
  background: var(--gradient-primary);
  margin: var(--spacing-sm) auto var(--spacing-lg);
  border-radius: 2px;
  position: relative;
}

.title-underline::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  width: 12px;
  height: 12px;
  background: var(--primary-color);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.3);
}

/* ===== КАРТОЧКИ ===== */
.card {
  background: var(--white);
  border-radius: var(--border-radius-large);
  box-shadow: var(--shadow-light);
  transition: all var(--transition-medium);
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  height: 100%;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255,107,53,0.1) 0%, rgba(78,205,196,0.1) 100%);
  opacity: 0;
  transition: opacity var(--transition-medium);
}

.card:hover {
  transform: translateY(-10px) perspective(1000px) rotateX(5deg);
  box-shadow: var(--shadow-3d);
}

.card:hover::before {
  opacity: 1;
}

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

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

.card:hover .card-image img {
  transform: scale(1.1);
}

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

/* ===== СПЕЦИАЛЬНЫЕ КАРТОЧКИ ===== */
.innovation-card, .instructor-card, .testimonial-card, .service-card, .workshop-card, .insight-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  height: 100%;
}

.innovation-card {
  background: linear-gradient(135deg, rgba(255,255,255,0.9) 0%, rgba(248,249,250,0.9) 100%);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,107,53,0.2);
}

.service-card, .workshop-card {
  background: var(--white);
  border-left: 4px solid var(--primary-color);
}

.testimonial-card {
  background: linear-gradient(135deg, var(--white) 0%, #f8f9fa 100%);
  border: 2px solid var(--grey-light);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: -10px;
  left: 20px;
  font-size: 4rem;
  color: var(--primary-color);
  font-family: Georgia, serif;
}

/* ===== ИЗОБРАЖЕНИЯ В КАРТОЧКАХ ===== */
.image-container {
  width: 100%;
  height: 250px;
  overflow: hidden;
  border-radius: var(--border-radius);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

/* ===== СТАТИСТИКИ И ТЕГИ ===== */
.stats {
  display: flex;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
}

.tag {
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
  font-family: var(--font-primary);
}

.tag.is-primary {
  background: var(--gradient-primary);
  color: var(--white);
}

.tag.is-info {
  background: var(--gradient-secondary);
  color: var(--white);
}

/* ===== РЕСУРСЫ ===== */
.resource-card {
  background: var(--white);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-large);
  box-shadow: var(--shadow-light);
  transition: all var(--transition-medium);
  text-align: center;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
}

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

/* ===== КОНТАКТНАЯ ФОРМА ===== */
.contact-form {
  background: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(248,249,250,0.95) 100%);
  backdrop-filter: blur(20px);
  border-radius: var(--border-radius-large);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-medium);
}

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

.label {
  font-family: var(--font-primary);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--dark);
}

.input, .textarea, .select select {
  border: 2px solid var(--grey-light);
  border-radius: var(--border-radius);
  padding: 12px 16px;
  font-family: var(--font-secondary);
  transition: all var(--transition-fast);
  background: var(--white);
}

.input:focus, .textarea:focus, .select select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(255,107,53,0.1);
  outline: none;
}

/* ===== ФУТЕР ===== */
.footer {
  background: var(--gradient-dark);
  color: var(--light);
  padding: var(--spacing-xl) 0 var(--spacing-md);
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gradient-primary);
}

.footer-links {
  list-style: none;
}

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

.footer-links a {
  color: var(--light);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.social-links {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  flex-wrap: wrap;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  color: var(--light);
  text-decoration: none;
  transition: all var(--transition-medium);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.2);
}

.social-links a:hover {
  background: var(--primary-color);
  transform: translateY(-3px) scale(1.1);
  box-shadow: 0 5px 15px rgba(255,107,53,0.4);
}

.contact-info {
  margin-top: var(--spacing-sm);
}

.contact-info p {
  margin-bottom: var(--spacing-xs);
  font-size: 0.95rem;
}

/* ===== ССЫЛКИ "ЧИТАТЬ ДАЛЕЕ" ===== */
.read-more {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  font-family: var(--font-primary);
  transition: all var(--transition-fast);
  position: relative;
}

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

.read-more:hover {
  color: var(--primary-dark);
  transform: translateX(5px);
}

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

/* ===== СТРАНИЦЫ PRIVACY И TERMS ===== */
.content-page {
  padding-top: 100px;
  min-height: 100vh;
}

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

.content-page h1, .content-page h2, .content-page h3 {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

.content-page p, .content-page li {
  margin-bottom: var(--spacing-sm);
  line-height: 1.8;
}

.content-page ul, .content-page ol {
  margin: var(--spacing-sm) 0;
  padding-left: var(--spacing-md);
}

/* ===== СТРАНИЦА SUCCESS ===== */
.success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  position: relative;
}

.success-page::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('image/success-celebration-background.jpg') center/cover no-repeat;
  opacity: 0.1;
}

.success-content {
  text-align: center;
  color: var(--white);
  position: relative;
  z-index: 2;
  max-width: 600px;
  padding: var(--spacing-lg);
}

.success-content h1 {
  color: var(--white);
  margin-bottom: var(--spacing-md);
  font-size: 3rem;
}

.success-content p {
  font-size: 1.3rem;
  margin-bottom: var(--spacing-lg);
}

/* ===== АДАПТИВНОСТЬ ===== */
@media screen and (max-width: 1024px) {
  h1 { font-size: 2.8rem; }
  h2 { font-size: 2.4rem; }
  h3 { font-size: 2rem; }
  
  .section {
    padding: var(--spacing-lg) 0;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
}

@media screen and (max-width: 768px) {
  h1 { font-size: 2.2rem; }
  h2 { font-size: 2rem; }
  h3 { font-size: 1.6rem; }
  
  .parallax-bg {
    background-attachment: scroll;
  }
  
  .section {
    padding: var(--spacing-md) 0;
  }
  
  .card-image, .image-container {
    height: 200px;
  }
  
  .social-links {
    justify-content: center;
  }
  
  .success-content h1 {
    font-size: 2.5rem;
  }
}

@media screen and (max-width: 480px) {
  h1 { font-size: 1.8rem; }
  h2 { font-size: 1.6rem; }
  
  .btn, button {
    padding: 10px 20px;
    font-size: 0.95rem;
  }
  
  .btn.is-large {
    padding: 14px 28px;
    font-size: 1.1rem;
  }
  
  .card-content {
    padding: var(--spacing-sm);
  }
  
  .success-content h1 {
    font-size: 2rem;
  }
  
  .success-content p {
    font-size: 1.1rem;
  }
}

/* ===== АНИМАЦИИ И 3D ЭФФЕКТЫ ===== */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(255,107,53,0.7); }
  70% { box-shadow: 0 0 0 10px rgba(255,107,53,0); }
  100% { box-shadow: 0 0 0 0 rgba(255,107,53,0); }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

.animate-pulse {
  animation: pulse 2s infinite;
}

.animate-slide-up {
  animation: slideInUp 0.6s ease-out;
}

/* ===== ГЛАСМОРФИЗМ ЭФФЕКТЫ ===== */
.glass-effect {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius-large);
}

/* ===== ДОПОЛНИТЕЛЬНЫЕ УТИЛИТЫ ===== */
.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hover-lift:hover {
  transform: translateY(-5px);
  transition: transform var(--transition-medium);
}

.perspective-card {
  perspective: 1000px;
}

.perspective-card:hover {
  transform: rotateY(5deg) rotateX(5deg);
}

/* ===== СКРОЛЛБАР ===== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--light);
}

::-webkit-scrollbar-thumb {
  background: var(--gradient-primary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-dark);
}

/* ===== ФОКУС И ДОСТУПНОСТЬ ===== */
*:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ===== ПРОИЗВОДИТЕЛЬНОСТЬ ===== */
.will-change-transform {
  will-change: transform;
}

.gpu-accelerated {
  transform: translate3d(0, 0, 0);
}