:root {
  /* Основные цвета */
  --primary-color: #3a86ff;
  --primary-dark: #2563eb;
  --primary-light: #60a5fa;
  --secondary-color: #7209b7;
  --secondary-dark: #5b0e94;
  --secondary-light: #8b5cf6;
  --accent-color: #ff006e;
  --accent-dark: #d90057;
  --accent-light: #ff4d8e;
  
  /* Нейтральные цвета */
  --dark-color: #1a1a2e;
  --dark-color-80: rgba(26, 26, 46, 0.8);
  --light-color: #f1f5f9;
  --white-color: #ffffff;
  --gray-color: #64748b;
  --gray-light: #94a3b8;
  --gray-dark: #334155;
  
  /* Цвета для уведомлений */
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --error-color: #ef4444;
  --info-color: #0ea5e9;
  
  /* Градиенты */
  --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  --gradient-secondary: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
  --gradient-accent: linear-gradient(135deg, var(--accent-color), var(--primary-color));
  
  /* Тени */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
  
  /* Радиусы скругления */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  
  /* Переходы */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Размеры шрифтов */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-md: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  
  /* Шрифты */
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Merriweather', serif;
  
  /* Дополнительные размеры */
  --header-height: 80px;
  --container-padding: 2rem;
  --section-spacing: 5rem;
}

/* Базовые стили */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: var(--font-size-md);
  line-height: 1.7;
  color: var(--dark-color);
  background-color: var(--white-color);
  overflow-x: hidden;
}

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

p {
  margin-bottom: 1.5rem;
}

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

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

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

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

.section-title {
  font-size: var(--font-size-4xl);
  margin-bottom: 1rem;
  color: var(--dark-color);
  position: relative;
  font-weight: 700;
}

.section-divider {
  width: 80px;
  height: 4px;
  background: var(--gradient-primary);
  margin: 0 auto 2rem;
  border-radius: var(--radius-sm);
}

.lead {
  font-size: var(--font-size-lg);
  font-weight: 300;
  margin-bottom: 2rem;
}

/* Кнопки */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
  text-transform: none;
  line-height: 1.5;
  font-size: var(--font-size-md);
}

.btn:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(58, 134, 255, 0.3);
}

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

.btn-primary:hover, .btn-primary:focus {
  background-color: var(--primary-dark);
  color: var(--white-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-outline-primary:hover, .btn-outline-primary:focus {
  background-color: var(--primary-color);
  color: var(--white-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover, .btn-secondary:focus {
  background-color: var(--secondary-dark);
  color: var(--white-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-outline-secondary:hover, .btn-outline-secondary:focus {
  background-color: var(--secondary-color);
  color: var(--white-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-accent:hover, .btn-accent:focus {
  background-color: var(--accent-dark);
  color: var(--white-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-outline-accent:hover, .btn-outline-accent:focus {
  background-color: var(--accent-color);
  color: var(--white-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-light:hover, .btn-light:focus {
  background-color: var(--white-color);
  color: var(--dark-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-outline-light:hover, .btn-outline-light:focus {
  background-color: var(--white-color);
  color: var(--dark-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-lg {
  padding: 0.875rem 1.75rem;
  font-size: var(--font-size-lg);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: var(--font-size-sm);
}

/* Хедер */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--dark-color-80);
  backdrop-filter: blur(10px);
  transition: all var(--transition-normal);
  padding: 0.5rem 0;
}

.header.scrolled {
  background-color: var(--dark-color);
  box-shadow: var(--shadow-md);
}

.navbar-brand {
  display: flex;
  align-items: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--font-size-xl);
  color: var(--white-color);
}

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

.navbar-nav .nav-link {
  color: rgba(255, 255, 255, 0.8);
  font-family: var(--font-heading);
  font-weight: 600;
  padding: 0.5rem 1rem;
  transition: all var(--transition-normal);
  position: relative;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus,
.navbar-nav .nav-link.active {
  color: var(--white-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,
.navbar-nav .nav-link:focus::after,
.navbar-nav .nav-link.active::after {
  width: 50%;
}

.navbar-toggler {
  border: none;
  padding: 0.5rem;
}

.navbar-toggler:focus {
  box-shadow: none;
}

/* Hero секция */
.hero {
  position: relative;
  padding: 0;
  height: 100vh;
  display: flex;
  align-items: center;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.3));
  z-index: 1;
}

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

.hero h1 {
  font-size: var(--font-size-5xl);
  margin-bottom: 1.5rem;
  font-weight: 800;
  line-height: 1.1;
  max-width: 800px;
}

.hero p {
  font-size: var(--font-size-xl);
  margin-bottom: 2rem;
  max-width: 600px;
}

/* About Us секция */
.about {
  padding: var(--section-spacing) 0;
}

.about .image-container {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.about .image-container img {
  width: 100%;
  transition: transform var(--transition-slow);
}

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

.counter-section {
  margin-top: 4rem;
}

.counter-item {
  padding: 2rem;
  background-color: var(--light-color);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
}

.counter-item:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
  background: var(--gradient-primary);
}

.counter-item:hover h3,
.counter-item:hover p {
  color: var(--white-color);
}

.counter-item h3 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--primary-color);
  transition: all var(--transition-normal);
}

.counter-item p {
  font-size: var(--font-size-md);
  margin-bottom: 0;
  transition: all var(--transition-normal);
}

/* Services секция */
.services {
  padding: var(--section-spacing) 0;
}

.card {
  border: none;
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
  background-color: var(--white-color);
  box-shadow: var(--shadow-md);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.card-image {
  position: relative;
  overflow: hidden;
  height: 250px;
  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(1.05);
}

.card-content {
  padding: 2rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.card-title {
  font-size: var(--font-size-xl);
  margin-bottom: 1rem;
  color: var(--dark-color);
}

.card-text {
  color: var(--gray-dark);
  flex-grow: 1;
}

/* Pricing секция */
.pricing {
  padding: var(--section-spacing) 0;
}

.pricing-card {
  text-align: center;
  padding: 2rem;
  transition: all var(--transition-normal);
}

.pricing-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.pricing-card.featured {
  background: var(--gradient-primary);
  color: var(--white-color);
  position: relative;
  overflow: hidden;
  transform: scale(1.05);
  z-index: 1;
}

.pricing-card.featured .card-header {
  background: transparent;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.pricing-card.featured .card-title,
.pricing-card.featured h3,
.pricing-card.featured h4,
.pricing-card.featured li {
  color: var(--white-color);
}

.pricing-card .card-header {
  background-color: transparent;
  border-bottom: 1px solid var(--gray-light);
}

.pricing-card .card-header h3 {
  margin-bottom: 0;
  font-size: var(--font-size-2xl);
}

.pricing-card-title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  margin: 1.5rem 0;
}

.pricing-card ul {
  margin-bottom: 2rem;
}

.pricing-card ul li {
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.pricing-card.featured ul li {
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.pricing-card ul li:last-child {
  border-bottom: none;
}

.badge {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-family: var(--font-heading);
}

/* Projects секция */
.projects {
  padding: var(--section-spacing) 0;
}

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

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.project-card .card-image {
  height: 350px;
}

.project-card .badge {
  font-size: var(--font-size-xs);
  padding: 0.5rem 1rem;
}

/* Success Stories секция */
.success-stories {
  padding: var(--section-spacing) 0;
}

.success-story-card {
  overflow: hidden;
  transition: all var(--transition-normal);
}

.success-story-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.success-story-card .image-container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--light-color);
  padding: 1rem;
}

.success-story-card .image-container img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.success-story-card .card-title {
  color: var(--primary-color);
}

.success-story-card .text-muted {
  font-style: italic;
}

/* Resources секция */
.resources {
  padding: var(--section-spacing) 0;
}

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

.resource-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.resource-card .card-title {
  color: var(--secondary-color);
  min-height: 3.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.resource-card .card-footer {
  background-color: transparent;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}

/* Testimonials секция */
.testimonials {
  padding: var(--section-spacing) 0;
}

.testimonial-card {
  padding: 2rem;
  transition: all var(--transition-normal);
}

.testimonial-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.testimonial-rating {
  color: var(--warning-color);
  font-size: var(--font-size-xl);
}

.testimonial-author {
  margin-top: 2rem;
}

.testimonial-image img {
  width: 60px;
  height: 60px;
  object-fit: cover;
  border: 3px solid var(--primary-color);
}

/* Press секция */
.press {
  padding: var(--section-spacing) 0;
}

.press-card {
  padding: 2rem;
  transition: all var(--transition-normal);
}

.press-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.press-card img {
  max-width: 100px;
  height: auto;
  object-fit: contain;
}

.press-card .card-title {
  color: var(--secondary-color);
}

/* FAQ секция */
.faq {
  padding: var(--section-spacing) 0;
}

.accordion-item {
  border: none;
  background-color: transparent;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-md);
}

.accordion-button {
  padding: 1.5rem 2rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--font-size-lg);
  color: var(--dark-color);
  background-color: var(--white-color);
  transition: all var(--transition-normal);
}

.accordion-button:not(.collapsed) {
  color: var(--primary-color);
  background-color: var(--white-color);
  box-shadow: none;
}

.accordion-button:focus {
  box-shadow: none;
  border-color: transparent;
}

.accordion-button::after {
  background-size: 1.25rem;
  transition: all var(--transition-normal);
}

.accordion-body {
  padding: 1.5rem 2rem;
  background-color: var(--white-color);
}

/* Contact секция */
.contact {
  padding: var(--section-spacing) 0;
}

.contact-info {
  padding: 2rem;
  background-color: var(--white-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  height: 100%;
}

.contact-item {
  margin-bottom: 1.5rem;
}

.contact-icon {
  font-size: var(--font-size-xl);
  color: var(--primary-color);
}

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

.contact-map img {
  width: 100%;
  height: auto;
  transition: transform var(--transition-slow);
}

.contact-map:hover img {
  transform: scale(1.05);
}

.contact-form {
  background-color: var(--white-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  height: 100%;
}

.form-control,
.form-select {
  padding: 0.75rem 1rem;
  font-size: var(--font-size-md);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(58, 134, 255, 0.3);
}

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

.form-check-input {
  margin-top: 0.25rem;
}

.form-check-input:checked {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

/* Footer */
.footer {
  background-color: var(--dark-color);
  color: var(--light-color);
  padding: 5rem 0 2rem;
}

.footer h3 {
  color: var(--white-color);
  margin-bottom: 1.5rem;
  font-weight: 600;
}

.footer p {
  color: var(--gray-light);
  margin-bottom: 1rem;
}

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

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

.footer a {
  color: var(--gray-light);
  transition: all var(--transition-normal);
}

.footer a:hover {
  color: var(--primary-light);
  text-decoration: none;
}

.social-links a {
  display: inline-block;
  margin-right: 1rem;
  font-weight: 600;
  transition: all var(--transition-normal);
}

.social-links a:hover {
  color: var(--primary-light);
  transform: translateY(-3px);
}

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

.newsletter-form .form-control::placeholder {
  color: var(--gray-light);
}

.newsletter-form .form-control:focus {
  background-color: rgba(255, 255, 255, 0.2);
}

footer hr {
  background-color: rgba(255, 255, 255, 0.1);
  opacity: 1;
}

/* Success, Privacy, Terms страницы */
.success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 0;
  background-color: var(--light-color);
}

.success-content {
  max-width: 800px;
  text-align: center;
  padding: 3rem;
  background-color: var(--white-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
}

.privacy-page,
.terms-page {
  padding-top: 120px;
  padding-bottom: 5rem;
}

.privacy-content,
.terms-content {
  background-color: var(--white-color);
  padding: 3rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

/* Анимации при прокрутке */
[data-aos] {
  opacity: 0;
  transition: all var(--transition-slow);
}

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

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

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

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

[data-aos="zoom-in"] {
  transform: scale(0.9);
}

[data-aos="zoom-out"] {
  transform: scale(1.1);
}

[data-aos].aos-animate {
  opacity: 1;
  transform: translate(0) scale(1);
}

/* Медиа-запросы */
@media (max-width: 991.98px) {
  :root {
    --section-spacing: 4rem;
  }
  
  .hero h1 {
    font-size: var(--font-size-4xl);
  }
  
  .hero p {
    font-size: var(--font-size-lg);
  }
  
  .section-title {
    font-size: var(--font-size-3xl);
  }
  
  .navbar-collapse {
    background-color: var(--dark-color);
    padding: 1rem;
    border-radius: var(--radius-md);
    margin-top: 0.5rem;
  }
  
  .navbar-nav .nav-link {
    padding: 0.75rem 1rem;
  }
  
  .navbar-nav .nav-link::after {
    display: none;
  }
}

@media (max-width: 767.98px) {
  :root {
    --section-spacing: 3rem;
  }
  
  .hero h1 {
    font-size: var(--font-size-3xl);
  }
  
  .hero p {
    font-size: var(--font-size-md);
  }
  
  .section-title {
    font-size: var(--font-size-2xl);
  }
  
  .counter-item {
    padding: 1.5rem;
  }
  
  .counter-item h3 {
    font-size: var(--font-size-2xl);
  }
}

@media (max-width: 575.98px) {
  :root {
    --section-spacing: 2.5rem;
    --container-padding: 1rem;
  }
  
  .hero {
    height: auto;
    min-height: 100vh;
  }
  
  .hero h1 {
    font-size: var(--font-size-2xl);
  }
  
  .btn {
    width: 100%;
    margin-bottom: 0.5rem;
  }
  
  .d-flex.flex-wrap.gap-3 {
    flex-direction: column;
  }
}