/* CSS Variables - Монохромная цветовая схема */
:root {
  /* Основные цвета */
  --primary-color: #2c3e50;
  --primary-light: #34495e;
  --primary-dark: #1a252f;
  --secondary-color: #3498db;
  --secondary-light: #5dade2;
  --secondary-dark: #2980b9;
  
  /* Нейтральные цвета */
  --white: #ffffff;
  --light-gray: #f8f9fa;
  --medium-gray: #6c757d;
  --dark-gray: #343a40;
  --black: #000000;
  
  /* Акцентные цвета */
  --accent-color: #e74c3c;
  --success-color: #27ae60;
  --warning-color: #f39c12;
  --info-color: #17a2b8;
  
  /* Градиенты */
  --primary-gradient: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
  --secondary-gradient: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-light) 100%);
  --dark-overlay: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.4));
  
  /* Шрифты */
  --font-primary: 'Raleway', sans-serif;
  --font-secondary: 'Open Sans', sans-serif;
  
  /* Размеры */
  --container-max-width: 1200px;
  --border-radius: 8px;
  --border-radius-large: 16px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-large: 0 10px 25px rgba(0, 0, 0, 0.15);
}

/* Сброс стилей и базовые настройки */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}
main{
  padding-top: 100px;
}
body {
  font-family: var(--font-secondary);
  line-height: 1.6;
  color: var(--dark-gray);
  background-color: var(--white);
  overflow-x: hidden;
}

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

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

p {
  margin-bottom: 1rem;
  font-size: clamp(1rem, 2vw, 1.125rem);
}

/* Контейнер */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 1rem;
}

/* Глобальные стили кнопок */
.btn,
button,
input[type="submit"],
.button {
  display: inline-block;
  padding: 0.75rem 2rem;
  background: var(--primary-gradient);
  color: var(--white);
  text-decoration: none;
  border: none;
  border-radius: var(--border-radius);
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.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, 0.2), transparent);
  transition: var(--transition);
}

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

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

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

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

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

/* Ссылки "Читать далее" */
.read-more {
  color: var(--secondary-color);
  text-decoration: none;
  font-weight: 600;
  position: relative;
  transition: var(--transition);
}

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

.read-more:hover {
  color: var(--secondary-dark);
}

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

/* Хедер и навигация */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  padding: 1rem 0;
  transition: var(--transition);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.98);
  padding: 0.5rem 0;
}

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

.navbar-item {
  color: var(--dark-gray);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

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

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

.navbar-item:hover::after {
  width: 100%;
  left: 0;
}

/* Hero секция */
#hero {
  min-height: 100vh;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  color: var(--white);
}

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

.hero-body {
  position: relative;
  z-index: 2;
  padding: 2rem;
}

.hero-body h1,
.hero-body h2,
.hero-body p {
  color: var(--white);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

/* Секции */
.section {
  padding: 4rem 0;
}

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

/* Карточки */
.card {
  background: var(--white);
  border-radius: var(--border-radius-large);
  box-shadow: var(--shadow);
  padding: 2rem;
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

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

.card-image {
  width: 100%;
  height: 200px;
  margin-bottom: 1.5rem;
  border-radius: var(--border-radius);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.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 {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.card-content h3 {
  margin-bottom: 1rem;
}

.card-content p {
  flex: 1;
  margin-bottom: 1.5rem;
}

/* Features секция */
#features {
  background: var(--light-gray);
}

.feature-item {
  text-align: center;
  padding: 2rem;
  background: var(--white);
  border-radius: var(--border-radius-large);
  box-shadow: var(--shadow);
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

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

.feature-icon {
  font-size: 3rem;
  color: var(--secondary-color);
  margin-bottom: 1rem;
}

.progress-container {
  width: 100%;
  margin-top: 1rem;
}

.progress {
  height: 8px;
  border-radius: 4px;
  overflow: hidden;
  background: var(--light-gray);
  margin-bottom: 0.5rem;
}

.progress::-webkit-progress-value {
  background: var(--secondary-gradient);
  border-radius: 4px;
}

.progress::-moz-progress-bar {
  background: var(--secondary-gradient);
  border-radius: 4px;
}

/* Accolades секция */
#accolades {
  background: var(--primary-color);
  color: var(--white);
}

#accolades h2 {
  color: var(--white);
}

.stat-widget {
  text-align: center;
  padding: 2rem;
}

.stat-widget h3 {
  color: var(--secondary-light);
  font-size: 3rem;
  margin-bottom: 0.5rem;
}

.stat-widget .subtitle {
  color: var(--white);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

/* Sustainability секция */
#sustainability {
  background: var(--light-gray);
}

#sustainability img {
  border-radius: var(--border-radius-large);
  box-shadow: var(--shadow-large);
}

#sustainability .stat-widget h3 {
  color: var(--success-color);
}

/* Testimonials секция */
#testimonials {
  background: var(--light-gray);
}

.testimonial {
  background: var(--white);
  border-radius: var(--border-radius-large);
  box-shadow: var(--shadow);
  padding: 2rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.media {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
  width: 100%;
  justify-content: center;
}

.media-left {
  margin-right: 1rem;
}

.media-left img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
}

.media-content .title {
  margin-bottom: 0.25rem;
  font-size: 1.125rem;
}

.media-content .subtitle {
  color: var(--medium-gray);
  font-size: 0.875rem;
}

.stars {
  color: var(--warning-color);
  font-size: 1.25rem;
  margin-top: 1rem;
}

/* Clientele секция */
#clientele {
  background: var(--white);
}

#clientele img {
  max-width: 150px;
  height: auto;
  opacity: 0.7;
  transition: var(--transition);
  margin: 0 auto;
  display: block;
}

#clientele img:hover {
  opacity: 1;
  transform: scale(1.05);
}

/* Events секция */
#events {
  background: var(--light-gray);
}

.event-card {
  background: var(--white);
  border-radius: var(--border-radius-large);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}

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

.event-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.event-content {
  padding: 2rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  text-align: center;
  align-items: center;
}

.event-content .subtitle {
  color: var(--secondary-color);
  font-weight: 600;
  margin-bottom: 1rem;
}

/* Contact секция */
#contact {
  padding-top: 100px;
}

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

.field {
  margin-bottom: 1.5rem;
}

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

.input,
.textarea,
.select select {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid var(--light-gray);
  border-radius: var(--border-radius);
  font-size: 1rem;
  transition: var(--transition);
  background: var(--white);
}

.input:focus,
.textarea:focus,
.select select:focus {
  outline: none;
  border-color: var(--secondary-color);
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

/* Footer */
.footer {
  background: var(--primary-color);
  color: var(--white);
  padding: 3rem 0 1rem;
}

.footer h3,
.footer h4 {
  color: var(--white);
}

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

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

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--white);
  text-decoration: underline;
}

.social-links {
  margin-top: 1rem;
}

.social-links a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  margin-right: 1rem;
  transition: var(--transition);
  font-weight: 600;
}

.social-links a:hover {
  color: var(--secondary-light);
  transform: translateY(-2px);
}

/* Модальные окна */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}

.modal.is-active {
  display: flex;
}

.modal-card {
  background: var(--white);
  border-radius: var(--border-radius-large);
  max-width: 500px;
  width: 90%;
  box-shadow: var(--shadow-large);
}

.modal-card-head {
  background: var(--primary-color);
  color: var(--white);
  padding: 1.5rem;
  border-radius: var(--border-radius-large) var(--border-radius-large) 0 0;
}

.modal-card-body {
  padding: 2rem;
}

.modal-card-foot {
  padding: 1.5rem;
  border-top: 1px solid var(--light-gray);
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
}

/* Success страница */
.success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--light-gray);
  padding: 2rem;
}

.success-content {
  background: var(--white);
  border-radius: var(--border-radius-large);
  box-shadow: var(--shadow-large);
  padding: 3rem;
  text-align: center;
  max-width: 600px;
}

/* Privacy и Terms страницы */
.privacy-page,
.terms-page {
  padding-top: 100px;
}

.privacy-content,
.terms-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem;
  background: var(--white);
  border-radius: var(--border-radius-large);
  box-shadow: var(--shadow);
}

/* Анимации прокрутки */
[data-aos] {
  opacity: 0;
  transition-duration: 1s;
}

[data-aos].aos-animate {
  opacity: 1;
}

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

[data-aos="fade-up"].aos-animate {
  transform: translateY(0);
}

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

[data-aos="fade-left"].aos-animate {
  transform: translateX(0);
}

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

[data-aos="fade-right"].aos-animate {
  transform: translateX(0);
}

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

/* Glassmorphism эффекты */
.glass {
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Медиа запросы для адаптивности */
@media (max-width: 1024px) {
  .section {
    padding: 3rem 0;
  }
  
  .hero-body {
    padding: 1.5rem;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 1rem;
  }
  
  .section {
    padding: 2rem 0;
  }
  
  .card {
    padding: 1.5rem;
  }
  
  .navbar-burger {
    display: block;
  }
  
  .navbar-menu {
    display: none;
  }
  
  .navbar-menu.is-active {
    display: block;
    background: var(--white);
    box-shadow: var(--shadow-large);
  }
  
  .btn,
  button,
  input[type="submit"],
  .button {
    padding: 0.625rem 1.5rem;
    font-size: 0.875rem;
  }
}

@media (max-width: 480px) {
  .section {
    padding: 1.5rem 0;
  }
  
  .card {
    padding: 1rem;
  }
  
  .modal-card {
    width: 95%;
  }
  
  .modal-card-head,
  .modal-card-body,
  .modal-card-foot {
    padding: 1rem;
  }
}

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

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Utility классы */
.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }

.d-flex { display: flex; }
.d-block { display: block; }
.d-none { display: none; }

.justify-center { justify-content: center; }
.align-center { align-items: center; }

.w-100 { width: 100%; }
.h-100 { height: 100%; }

/* Hover эффекты */
.hover-lift:hover {
  transform: translateY(-5px);
  transition: var(--transition);
}

.hover-scale:hover {
  transform: scale(1.05);
  transition: var(--transition);
}

/* Цветовые utility классы */
.text-primary { color: var(--primary-color); }
.text-secondary { color: var(--secondary-color); }
.text-white { color: var(--white); }
.text-gray { color: var(--medium-gray); }

.bg-primary { background-color: var(--primary-color); }
.bg-secondary { background-color: var(--secondary-color); }
.bg-light { background-color: var(--light-gray); }
.bg-white { background-color: var(--white); }

/* Активные состояния для навигации */
.navbar-item.is-active {
  color: var(--secondary-color);
}

.navbar-item.is-active::after {
  width: 100%;
  left: 0;
}