:root {
  /* Тетрадная цветовая схема */
  --primary-color: #ff6b35;
  --secondary-color: #6b35ff;
  --tertiary-color: #35ff6b;
  --quaternary-color: #ff35a8;
  
  /* Дополнительные цвета */
  --primary-dark: #e04a1f;
  --secondary-dark: #4f19e0;
  --tertiary-dark: #19e04f;
  --quaternary-dark: #e01992;
  
  /* Нейтральные цвета */
  --white: #ffffff;
  --black: #000000;
  --dark-grey: #333333;
  --light-grey: #f8f9fa;
  --medium-grey: #6c757d;
  
  /* Градиенты */
  --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--quaternary-color) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--secondary-color) 0%, var(--tertiary-color) 100%);
  --gradient-overlay: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.4));
  
  /* Шрифты */
  --font-heading: 'Raleway', sans-serif;
  --font-body: 'Open Sans', sans-serif;
  
  /* Адаптивная типографика */
  --text-xs: clamp(0.75rem, 2vw, 0.875rem);
  --text-sm: clamp(0.875rem, 2.5vw, 1rem);
  --text-base: clamp(1rem, 3vw, 1.125rem);
  --text-lg: clamp(1.125rem, 3.5vw, 1.25rem);
  --text-xl: clamp(1.25rem, 4vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 5vw, 2rem);
  --text-3xl: clamp(2rem, 6vw, 3rem);
  --text-4xl: clamp(3rem, 8vw, 4rem);
  
  /* Переходы */
  --transition-fast: 0.2s ease;
  --transition-smooth: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Тени */
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 8px rgba(0,0,0,0.15);
  --shadow-lg: 0 8px 16px rgba(0,0,0,0.2);
  --shadow-xl: 0 12px 24px rgba(0,0,0,0.25);
  
  /* Радиусы */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
}

/* Анимация частиц */
#particles-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

#particles-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 20% 80%, var(--primary-color)15 0%, transparent 50%),
              radial-gradient(circle at 80% 20%, var(--secondary-color)15 0%, transparent 50%),
              radial-gradient(circle at 40% 40%, var(--tertiary-color)15 0%, transparent 50%);
  animation: particleFloat 20s ease-in-out infinite;
}

@keyframes particleFloat {
  0%, 100% { transform: translateY(0px) rotate(0deg); opacity: 0.3; }
  50% { transform: translateY(-20px) rotate(180deg); opacity: 0.6; }
}

/* Reset и базовые стили */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--dark-grey);
  overflow-x: hidden;
  position: relative;
}

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

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

p {
  margin-bottom: 1rem;
  font-size: var(--text-base);
}

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

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

/* Утилиты */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.text-center { text-align: center; }
.text-white { color: var(--white) !important; }
.text-dark { color: var(--dark-grey) !important; }

/* Кнопки - глобальные стили */
.btn, .button, button, input[type="submit"] {
  display: inline-block;
  padding: 12px 24px;
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn::before, .button::before, button::before, input[type="submit"]::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: var(--transition-smooth);
  z-index: -1;
}

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

.btn-primary, .button.is-primary {
  background: var(--gradient-primary);
  color: var(--white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover, .button.is-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary, .button.is-info {
  background: var(--gradient-secondary);
  color: var(--white);
  box-shadow: var(--shadow-md);
}

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

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

/* Header/Navbar */
.navbar {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
  z-index: 1000;
}

.navbar-brand img {
  max-height: 60px;
  width: auto;
}

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

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

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

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

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  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-overlay);
  z-index: 1;
}

.hero-body {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 2rem 0;
}

.hero .title {
  color: var(--white) !important;
  margin-bottom: 1rem;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero .subtitle {
  color: var(--white) !important;
  margin-bottom: 2rem;
  text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}

.hero p {
  color: var(--white) !important;
  font-size: var(--text-lg);
  max-width: 600px;
  margin: 0 auto 2rem;
}

/* Секции */
.section {
  padding: 4rem 0;
  position: relative;
  z-index: 2;
}

.section:nth-child(even) {
  background: var(--light-grey);
}

/* Карточки */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition-smooth);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  height: 100%;
}

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

.card-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

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

.card-content {
  padding: 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

/* Timeline */
.timeline-container {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline-container::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gradient-primary);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  margin: 2rem 0;
  display: flex;
  align-items: center;
}

.timeline-item:nth-child(odd) {
  flex-direction: row;
  text-align: right;
}

.timeline-item:nth-child(even) {
  flex-direction: row-reverse;
  text-align: left;
}

.timeline-marker {
  width: 20px;
  height: 20px;
  background: var(--gradient-primary);
  border-radius: 50%;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  box-shadow: var(--shadow-md);
}

.timeline-content {
  width: 45%;
  background: var(--white);
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition-smooth);
}

.timeline-content:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

/* FAQ */
.faq-item {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-md);
  transition: var(--transition-smooth);
}

.faq-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.faq-item h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

/* Формы */
.contact-form {
  background: var(--white);
  padding: 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.field {
  margin-bottom: 1.5rem;
}

.label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--dark-grey);
}

.input, .textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid #e0e0e0;
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  transition: var(--transition-smooth);
  background: var(--white);
}

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

.textarea {
  min-height: 120px;
  resize: vertical;
}

/* Контактная информация */
.contact-info {
  background: var(--light-grey);
  padding: 2rem;
  border-radius: var(--radius-lg);
  height: 100%;
}

.contact-item {
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid #e0e0e0;
}

.contact-item:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

/* Awards и Achievement */
.award-item {
  text-align: center;
  padding: 2rem 1rem;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition-smooth);
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.award-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.award-item img {
  width: 80px;
  height: 80px;
  object-fit: contain;
  margin-bottom: 1rem;
}

/* Eco Stats */
.eco-stats {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-top: 2rem;
}

/* Footer */
.footer {
  background: var(--dark-grey);
  color: var(--white);
  padding: 3rem 0 1rem;
  position: relative;
  z-index: 2;
}

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

.footer ul {
  list-style: none;
}

.footer ul li {
  margin-bottom: 0.5rem;
}

.footer a {
  color: #ccc;
  transition: var(--transition-smooth);
}

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

.social-links a {
  display: inline-block;
  margin-right: 1rem;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  transition: var(--transition-smooth);
}

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

/* Ссылки "Читать далее" */
.read-more {
  display: inline-flex;
  align-items: center;
  font-weight: 600;
  color: var(--primary-color);
  transition: var(--transition-smooth);
  text-decoration: none;
}

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

.read-more::after {
  content: '→';
  margin-left: 0.5rem;
  transition: var(--transition-smooth);
}

/* Страницы About, Terms, Privacy */
.page-content {
  padding-top: 100px;
  min-height: 100vh;
}

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

.success-content {
  background: var(--white);
  padding: 3rem;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  max-width: 500px;
  width: 90%;
}

/* Адаптивность */
@media (max-width: 768px) {
  .container {
    padding: 0 1rem;
  }
  
  .section {
    padding: 2rem 0;
  }
  
  .hero-body {
    padding: 3rem 0;
  }
  
  .timeline-container::before {
    left: 20px;
  }
  
  .timeline-item {
    flex-direction: row !important;
    text-align: left !important;
    padding-left: 50px;
  }
  
  .timeline-marker {
    left: 20px;
    transform: translateX(-50%);
  }
  
  .timeline-content {
    width: 100%;
  }
  
  .contact-form {
    padding: 1.5rem;
  }
  
  .navbar-item {
    padding: 0.5rem 1rem;
  }
  
  .card-content {
    padding: 1rem;
  }
  
  .columns {
    flex-direction: column;
  }
  
  .column {
    width: 100% !important;
    margin-bottom: 1rem;
  }
}

@media (max-width: 480px) {
  .hero {
    background-attachment: scroll;
  }
  
  .btn, .button {
    padding: 10px 20px;
    font-size: var(--text-sm);
  }
  
  .contact-form {
    padding: 1rem;
  }
  
  .success-content {
    padding: 2rem;
  }
}

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

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

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

/* AOS переопределения */
[data-aos] {
  pointer-events: none;
}

[data-aos].aos-animate {
  pointer-events: auto;
}

/* Гласморфизм эффекты */
.glass {
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

/* Дополнительные утилиты */
.mb-6 { margin-bottom: 3rem; }
.mt-4 { margin-top: 2rem; }
.p-4 { padding: 2rem; }

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

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

.is-fullheight {
  min-height: 100vh;
}

/* Исправления для Bulma совместимости */
.columns {
  display: flex;
  flex-wrap: wrap;
  margin: -0.75rem;
}

.column {
  flex: 1;
  padding: 0.75rem;
}

.is-one-third {
  flex: none;
  width: 33.3333%;
}

.is-two-thirds {
  flex: none;
  width: 66.6667%;
}

.is-offset-2 {
  margin-left: 0;
}

.buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.buttons.is-centered {
  justify-content: center;
}

.is-multiline {
  flex-wrap: wrap;
}

figure {
  width: 100%;
}