/* CSS Variables for Design System */
:root {
  /* Пастельная ретро цветовая палитра */
  --primary-color: #FFB5C5;
  --primary-dark: #E89FB0;
  --secondary-color: #A8E6CF;
  --secondary-dark: #88D4AB;
  --accent-color: #FFE4B5;
  --accent-dark: #F5D89B;
  --tertiary-color: #E6E6FA;
  --tertiary-dark: #D1D1F0;
  
  /* Нейтральные цвета */
  --text-primary: #2C2C54;
  --text-secondary: #40407A;
  --text-light: #706FD3;
  --text-white: #FFFFFF;
  --text-muted: #9C88FF;
  
  /* Фоновые цвета */
  --bg-primary: #FFF8F3;
  --bg-secondary: #F8F0FF;
  --bg-dark: #2C2C54;
  --bg-light: #FFEAA7;
  
  /* Градиенты для динамических переходов */
  --gradient-primary: linear-gradient(135deg, #FFB5C5 0%, #A8E6CF 50%, #FFE4B5 100%);
  --gradient-secondary: linear-gradient(45deg, #E6E6FA 0%, #DDA0DD 50%, #F0E68C 100%);
  --gradient-hero: linear-gradient(rgba(44, 44, 84, 0.6), rgba(112, 111, 211, 0.4));
  --gradient-card: linear-gradient(135deg, rgba(255, 181, 197, 0.1) 0%, rgba(168, 230, 207, 0.1) 100%);
  
  /* Шрифты */
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Source Sans Pro', sans-serif;
  
  /* Размеры и отступы */
  --border-radius: 20px;
  --border-radius-small: 12px;
  --shadow: 0 8px 32px rgba(44, 44, 84, 0.1);
  --shadow-hover: 0 16px 48px rgba(44, 44, 84, 0.15);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.2s ease-out;
  
  /* Spacing system */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-xxl: 4rem;
}

/* Global Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-md);
  color: var(--text-primary);
}

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(--space-md);
  color: var(--text-secondary);
}

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

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

.read-more {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--primary-color);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 0.5px;
  transition: var(--transition);
  position: relative;
}

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

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

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

/* Buttons - Global Styles */
.btn,
.button,
input[type='submit'],
button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 12px 24px;
  border: none;
  border-radius: var(--border-radius);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  background: var(--gradient-primary);
  color: var(--text-white);
  box-shadow: var(--shadow);
  min-width: 140px;
}

.btn::before,
.button::before,
input[type='submit']::before,
button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: var(--transition);
}

.btn:hover,
.button:hover,
input[type='submit']:hover,
button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  filter: brightness(1.1);
}

.btn:hover::before,
.button:hover::before,
input[type='submit']:hover::before,
button:hover::before {
  left: 100%;
}

.btn:active,
.button:active,
input[type='submit']:active,
button:active {
  transform: translateY(0);
}

/* Button Variants */
.btn-secondary,
.button.is-light {
  background: var(--secondary-color);
  color: var(--text-primary);
}

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

.btn-outline:hover,
.button.is-outlined:hover {
  background: var(--primary-color);
  color: var(--text-white);
}

.btn-large,
.button.is-large {
  padding: 16px 32px;
  font-size: 1.1rem;
  min-width: 180px;
}

/* CTA Button Special Style */
.cta-button {
  background: var(--gradient-primary);
  position: relative;
  overflow: hidden;
}

.cta-button::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  transform: scale(0);
  transition: var(--transition);
}

.cta-button:hover::after {
  transform: scale(1);
  animation: shimmer 0.8s ease-out;
}

@keyframes shimmer {
  0% { transform: scale(0) rotate(0deg); }
  100% { transform: scale(1) rotate(180deg); }
}

/* Forms */
.input,
.textarea,
.select select,
input[type='text'],
input[type='email'],
input[type='tel'],
textarea,
select {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--tertiary-color);
  border-radius: var(--border-radius-small);
  font-family: var(--font-body);
  font-size: 1rem;
  background: var(--text-white);
  color: var(--text-primary);
  transition: var(--transition);
}

.input:focus,
.textarea:focus,
.select select:focus,
input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(255, 181, 197, 0.2);
}

.label {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 600;
  color: var(--text-primary);
}

/* Navigation */
.navbar {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 181, 197, 0.2);
  padding: var(--space-md) 0;
  z-index: 1000;
}

.navbar-brand .title {
  font-family: var(--font-heading);
  color: var(--text-primary);
  font-weight: 700;
}

.navbar-item {
  color: var(--text-primary);
  font-weight: 500;
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--border-radius-small);
  transition: var(--transition);
}

.navbar-item:hover {
  background: var(--gradient-card);
  color: var(--text-primary);
  transform: translateY(-1px);
}

/* Hero Section */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
}

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

.hero-body {
  position: relative;
  z-index: 2;
  padding: var(--space-xxl) var(--space-md);
  text-align: center;
}

.hero .title,
.hero .subtitle,
.hero p {
  color: var(--text-white) !important;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero .title {
  font-size: 4rem;
  margin-bottom: var(--space-lg);
  animation: fadeInUp 1s ease-out;
}

.hero .subtitle {
  font-size: 1.5rem;
  margin-bottom: var(--space-xl);
  animation: fadeInUp 1s ease-out 0.2s both;
}

.hero p {
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto var(--space-xl);
  animation: fadeInUp 1s ease-out 0.4s both;
}

.hero .buttons {
  animation: fadeInUp 1s ease-out 0.6s both;
}

/* Cards */
.card {
  background: var(--text-white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: var(--transition);
  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: var(--gradient-card);
  opacity: 0;
  transition: var(--transition);
  z-index: 1;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

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

.card-content,
.card-image,
.card > * {
  position: relative;
  z-index: 2;
}

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

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

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

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

.card-content {
  padding: var(--space-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-align: center;
}

/* Specific Card Types */
.book-card {
  max-width: 100%;
  margin: 0 auto;
}

.book-card .image-container {
  height: 300px;
  background: var(--bg-secondary);
}

.service-card,
.event-card,
.webinar-card {
  height: 100%;
}

.pricing-card {
  border: 3px solid transparent;
  background: var(--text-white);
  position: relative;
}

.pricing-card.is-featured {
  border-color: var(--primary-color);
  transform: scale(1.05);
}

.pricing-card.is-featured::before {
  content: 'NEJPOPULÁRNĚJŠÍ';
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-primary);
  color: var(--text-white);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--border-radius);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1px;
}

/* Sections */
.section {
  padding: var(--space-xxl) 0;
  position: relative;
}

.section.has-background-light {
  background: var(--bg-secondary);
}

.section .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* Community Section */
#community {
  background: var(--gradient-secondary);
  position: relative;
}

#community::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 100" fill="rgba(255,255,255,0.1)"><polygon points="0,100 1000,0 1000,100"/></svg>');
  background-size: 100% 100%;
  pointer-events: none;
}

.notification {
  background: rgba(255, 255, 255, 0.9);
  border: none;
  border-radius: var(--border-radius);
  padding: var(--space-lg);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
  border-left: 4px solid var(--primary-color);
  margin-bottom: var(--space-md);
}

.notification.is-primary {
  border-left-color: var(--primary-color);
}

.notification.is-info {
  border-left-color: var(--secondary-color);
}

.notification.is-success {
  border-left-color: var(--accent-color);
}

/* Services Section */
.service-card .card-image {
  height: 200px;
}

/* Events Section */
.event-card .card-image {
  height: 180px;
}

/* Webinars Section */
.webinar-card {
  background: var(--gradient-card);
  border: 2px solid var(--tertiary-color);
}

/* Sustainability Section */
#sustainability {
  background: linear-gradient(135deg, var(--accent-color) 0%, var(--secondary-color) 100%);
  position: relative;
}

.toggle-switch {
  position: relative;
  padding-left: 40px;
}

.toggle-switch::before {
  content: '';
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 12px;
  background: var(--text-muted);
  border-radius: 6px;
  transition: var(--transition);
}

.toggle-switch::after {
  content: '';
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  background: white;
  border-radius: 50%;
  transition: var(--transition);
}

.toggle-switch:hover::before {
  background: var(--secondary-color);
}

.toggle-switch:hover::after {
  transform: translateY(-50%) translateX(8px);
}

/* Contact Section */
.contact-form {
  background: var(--text-white);
  padding: var(--space-xl);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
}

/* Footer */
.footer {
  background: var(--bg-dark);
  color: var(--text-white);
  padding: var(--space-xxl) 0 var(--space-xl);
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
}

.footer .title,
.footer h3,
.footer h4,
.footer h5 {
  color: var(--text-white);
  margin-bottom: var(--space-md);
}

.footer a {
  color: rgba(255, 255, 255, 0.8);
  transition: var(--transition);
  display: inline-block;
}

.footer a:hover {
  color: var(--primary-color);
  transform: translateX(3px);
  text-decoration: none;
}

.footer ul {
  list-style: none;
}

.footer ul li {
  margin-bottom: var(--space-xs);
}

.social-links {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.social-links a {
  padding: var(--space-xs) var(--space-sm);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-small);
  transition: var(--transition);
  text-transform: uppercase;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.social-links a:hover {
  background: var(--primary-color);
  color: var(--text-white);
  transform: translateY(-2px);
}

.footer hr {
  border: none;
  height: 1px;
  background: rgba(255, 255, 255, 0.2);
  margin: var(--space-xl) 0 var(--space-lg);
}

/* Success Page */
.success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  text-align: center;
  padding: var(--space-lg);
}

.success-content {
  background: var(--text-white);
  padding: var(--space-xxl);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-hover);
  max-width: 500px;
  width: 100%;
}

/* Privacy and Terms Pages */
.legal-page {
  padding-top: 100px;
  min-height: 100vh;
}

.legal-content {
  background: var(--text-white);
  padding: var(--space-xl);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  margin-bottom: var(--space-xl);
}

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

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

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

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-xs); }
.mb-2 { margin-bottom: var(--space-sm); }
.mb-3 { margin-bottom: var(--space-md); }
.mb-4 { margin-bottom: var(--space-lg); }
.mb-5 { margin-bottom: var(--space-xl); }
.mb-6 { margin-bottom: var(--space-xxl); }

.mt-3 { margin-top: var(--space-md); }
.mt-5 { margin-top: var(--space-xl); }

.has-text-white { color: var(--text-white) !important; }
.has-text-dark { color: var(--text-primary) !important; }
.has-text-primary { color: var(--primary-color) !important; }
.has-text-light { color: rgba(255, 255, 255, 0.8) !important; }
.has-text-grey-dark { color: var(--text-secondary) !important; }

.has-background-light { background: var(--bg-secondary); }
.has-background-dark { background: var(--bg-dark); }

.is-fullwidth { width: 100%; }
.is-fullheight { height: 100vh; }

/* Responsive Design */
@media (max-width: 1200px) {
  .container {
    padding: 0 var(--space-lg);
  }
}

@media (max-width: 968px) {
  :root {
    --space-xxl: 3rem;
    --space-xl: 2rem;
  }
  
  .hero .title {
    font-size: 3rem;
  }
  
  h1 { font-size: 2.8rem; }
  h2 { font-size: 2.2rem; }
  h3 { font-size: 1.8rem; }
  
  .section {
    padding: var(--space-xl) 0;
  }
  
  .card-content {
    padding: var(--space-md);
  }
  
  .pricing-card.is-featured {
    transform: none;
    margin-bottom: var(--space-lg);
  }
}

@media (max-width: 768px) {
  .hero {
    background-attachment: scroll;
  }
  
  .hero .title {
    font-size: 2.5rem;
  }
  
  .hero .subtitle {
    font-size: 1.2rem;
  }
  
  .buttons {
    flex-direction: column;
    gap: var(--space-sm);
  }
  
  .btn,
  .button {
    width: 100%;
    max-width: 300px;
  }
  
  .social-links {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .navbar-menu {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
  }
  
  .contact-form {
    padding: var(--space-lg);
  }
  
  .legal-page {
    padding-top: 80px;
  }
}

@media (max-width: 480px) {
  :root {
    --space-xl: 1.5rem;
    --space-lg: 1.2rem;
  }
  
  .container {
    padding: 0 var(--space-md);
  }
  
  .hero .title {
    font-size: 2rem;
  }
  
  h2 { font-size: 1.8rem; }
  h3 { font-size: 1.5rem; }
  
  .card-image .image-container {
    height: 200px;
  }
  
  .book-card .image-container {
    height: 250px;
  }
  
  .success-content {
    padding: var(--space-lg);
  }
  
  .footer {
    text-align: center;
  }
  
  .social-links {
    justify-content: center;
  }
}

/* Performance Optimizations */
.card,
.btn,
.button,
.navbar-item {
  will-change: transform;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus States for Accessibility */
button:focus,
.btn:focus,
.button:focus,
input:focus,
textarea:focus,
select:focus,
a:focus {
  outline: 3px solid var(--primary-color);
  outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
  :root {
    --text-primary: #000000;
    --text-secondary: #000000;
    --bg-primary: #FFFFFF;
    --primary-color: #0066CC;
    --secondary-color: #006600;
  }
}