:root {
  /* Триада цветовой схемы */
  --color-primary: #FF6B6B;
  --color-primary-dark: #E84C4C;
  --color-primary-light: #FF8E8E;
  
  --color-secondary: #4ECDC4;
  --color-secondary-dark: #3AADA5;
  --color-secondary-light: #6FDED6;
  
  --color-tertiary: #FFD166;
  --color-tertiary-dark: #E8B94B;
  --color-tertiary-light: #FFDD8A;
  
  /* Нейтральные цвета */
  --color-white: #FFFFFF;
  --color-light: #F8F9FA;
  --color-gray-100: #F1F3F5;
  --color-gray-200: #E9ECEF;
  --color-gray-300: #DEE2E6;
  --color-gray-400: #CED4DA;
  --color-gray-500: #ADB5BD;
  --color-gray-600: #6C757D;
  --color-gray-700: #495057;
  --color-gray-800: #343A40;
  --color-gray-900: #212529;
  --color-dark: #121212;
  --color-black: #000000;
  
  /* Тени */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  
  /* Скругления */
  --border-radius-sm: 0.25rem;
  --border-radius: 0.5rem;
  --border-radius-lg: 1rem;
  --border-radius-xl: 2rem;
  
  /* Типография */
  --font-family-heading: 'Inter', sans-serif;
  --font-family-body: 'IBM Plex Sans', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 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;
  
  /* Переходы */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
  
  /* Макет */
  --container-padding: 1.5rem;
  --section-spacing: 5rem;
  --card-spacing: 1.5rem;
}

/* Основные сбросы */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-family-body);
  color: var(--color-gray-800);
  line-height: 1.6;
  background-color: var(--color-light);
  overflow-x: hidden;
}

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

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

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

h1 {
  font-size: clamp(2.5rem, 5vw, var(--font-size-5xl));
  font-weight: 900;
}

h2 {
  font-size: clamp(2rem, 4vw, var(--font-size-4xl));
  font-weight: 800;
}

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

p {
  margin-bottom: 1rem;
}

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

ul {
  list-style: none;
}

/* Контейнер */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

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

.section-title {
  text-align: center;
  margin-bottom: 1rem;
  color: var(--color-gray-900);
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background-color: var(--color-primary);
  margin: 1rem auto;
  border-radius: var(--border-radius);
}

.section-description {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3rem;
  font-size: var(--font-size-lg);
  color: var(--color-gray-600);
}

/* Кнопки */
.btn, button, input[type='submit'] {
  display: inline-block;
  font-weight: 500;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  font-family: var(--font-family-heading);
  font-size: var(--font-size-base);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
  line-height: 1.4;
}

.btn:hover, button:hover, input[type='submit']:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.btn:active, button:active, input[type='submit']:active {
  transform: translateY(1px);
}

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

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

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

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

.btn-tertiary {
  background-color: var(--color-tertiary);
  color: var(--color-gray-900);
}

.btn-tertiary:hover {
  background-color: var(--color-tertiary-dark);
  color: var(--color-gray-900);
}

/* Header & Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  transition: background-color var(--transition-normal);
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1rem;
  padding-bottom: 1rem;
}

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

.logo {
  display: flex;
  align-items: center;
}

.logo h1 {
  font-size: 1.75rem;
  margin-bottom: 0;
  color: var(--color-primary);
}

.desktop-nav ul {
  display: flex;
  gap: 2rem;
}

.desktop-nav a {
  color: var(--color-gray-700);
  font-weight: 500;
  position: relative;
  padding: 0.5rem 0;
}

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

.desktop-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-normal);
}

.desktop-nav a:hover::after {
  width: 100%;
}

/* Mobile Navigation */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 21px;
  cursor: pointer;
}

.mobile-menu-toggle span {
  display: block;
  height: 3px;
  width: 100%;
  background-color: var(--color-gray-800);
  border-radius: 3px;
  transition: all var(--transition-normal);
}

.mobile-nav {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  width: 100%;
  background-color: var(--color-white);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  z-index: 999;
}

.mobile-nav.active {
  display: block;
}

.mobile-nav ul {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.mobile-nav a {
  display: block;
  padding: 0.5rem 0;
  color: var(--color-gray-700);
  font-weight: 500;
}

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

.mobile-menu-toggle.active span:first-child {
  transform: translateY(9px) rotate(45deg);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active span:last-child {
  transform: translateY(-9px) rotate(-45deg);
}

/* Hero Section */
.hero {
  position: relative;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  padding: 8rem 0;
  margin-top: 70px;
}

.hero .overlay {
  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));
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
  color: var(--color-white);
}

.hero-content h1 {
  font-size: clamp(2rem, 6vw, 3.5rem);
  margin-bottom: 1rem;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.hero-content h2 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.hero-content p {
  font-size: var(--font-size-lg);
  margin-bottom: 2rem;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

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

/* Statistics Section */
.statistics {
  background-color: var(--color-white);
  padding: 3rem 0;
}

.statistics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  text-align: center;
}

.stat-card {
  padding: 2rem 1rem;
  background-color: var(--color-white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
}

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

.stat-number {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.stat-card p {
  font-size: var(--font-size-lg);
  color: var(--color-gray-600);
  margin-bottom: 0;
}

/* Gallery Section */
.gallery {
  background-color: var(--color-gray-100);
}

.custom-slider {
  position: relative;
}

.slider-container {
  display: flex;
  overflow-x: hidden;
  scroll-behavior: smooth;
  margin-bottom: 2rem;
}

.slide {
  flex: 0 0 100%;
  padding: 0 0.5rem;
  transition: transform var(--transition-normal);
}

.card {
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: var(--color-white);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.card-image {
  width: 100%;
  height: 300px;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

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

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

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

.card h3 {
  font-size: var(--font-size-xl);
  color: var(--color-gray-900);
  margin-bottom: 0.5rem;
}

.price {
  font-family: var(--font-family-heading);
  font-weight: 700;
  color: var(--color-primary);
  font-size: var(--font-size-lg);
  margin-bottom: 1rem;
}

.slider-controls {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 1rem;
}

.prev-btn, .next-btn {
  background-color: var(--color-white);
  color: var(--color-gray-800);
  border: 1px solid var(--color-gray-300);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.prev-btn:hover, .next-btn:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

/* Case Studies Section */
.case-studies {
  background-color: var(--color-white);
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.case-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: var(--color-gray-100);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
}

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

.case-card .card-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
}

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

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

.case-card .card-content {
  padding: 1.5rem;
  text-align: center;
}

.case-card h3 {
  font-size: var(--font-size-xl);
  color: var(--color-primary);
  margin-bottom: 1rem;
}

/* News Section */
.news {
  background-color: var(--color-gray-100);
}

.news-carousel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.news-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.news-item .card {
  height: 100%;
}

.news-item .card-image {
  height: 250px;
}

.date {
  display: inline-block;
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  margin-bottom: 0.5rem;
}

.read-more {
  display: inline-block;
  font-weight: 500;
  color: var(--color-primary);
  margin-top: 1rem;
  position: relative;
  text-transform: uppercase;
  font-size: var(--font-size-sm);
  letter-spacing: 1px;
}

.read-more::after {
  content: "→";
  margin-left: 0.25rem;
  transition: transform var(--transition-normal);
}

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

.read-more:hover::after {
  transform: translateX(4px);
}

/* Resources Section */
.resources {
  background-color: var(--color-white);
}

.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.resource-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: var(--color-gray-100);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  height: 100%;
}

.resource-card .card-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
}

.resource-card .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.resource-card h3 {
  font-size: var(--font-size-xl);
  color: var(--color-gray-900);
  margin-bottom: 1rem;
}

.resource-card .btn {
  margin-top: 1rem;
}

/* Contact Section */
.contact {
  background-color: var(--color-gray-100);
  padding-bottom: 6rem;
}

.contact-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 3rem;
  align-items: start;
}

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

.contact-info .section-title {
  text-align: left;
}

.contact-info .section-title::after {
  margin-left: 0;
}

.contact-details {
  margin-top: 2rem;
}

.detail {
  margin-bottom: 1.5rem;
}

.detail h4 {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-lg);
  color: var(--color-primary);
  margin-bottom: 0.25rem;
  display: flex;
  align-items: center;
}

.detail h4 i {
  margin-right: 0.5rem;
  color: var(--color-primary);
}

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

.form-group {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--color-gray-700);
}

input, select, textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--color-gray-300);
  border-radius: var(--border-radius-sm);
  font-family: var(--font-family-body);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(255, 107, 107, 0.25);
}

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

.contact-form .btn-primary {
  width: 100%;
}

/* Footer */
footer {
  background-color: var(--color-gray-900);
  color: var(--color-gray-400);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.footer-col h3 {
  color: var(--color-white);
  font-size: var(--font-size-xl);
  margin-bottom: 1.5rem;
}

.footer-col h4 {
  color: var(--color-white);
  font-size: var(--font-size-lg);
  margin-bottom: 1.5rem;
}

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

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-col a {
  color: var(--color-gray-400);
  transition: color var(--transition-normal);
}

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

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

.social-links a {
  display: inline-block;
  color: var(--color-white);
  font-weight: 500;
  transition: color var(--transition-normal);
  padding: 0.5rem 1rem;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-sm);
}

.social-links a:hover {
  color: var(--color-primary);
  background-color: rgba(255, 255, 255, 0.15);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--color-gray-700);
}

/* Success Page */
.success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
}

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

.success-icon {
  font-size: 4rem;
  color: var(--color-secondary);
  margin-bottom: 2rem;
}

.success-title {
  font-size: var(--font-size-3xl);
  margin-bottom: 1rem;
}

.success-message {
  font-size: var(--font-size-lg);
  margin-bottom: 2rem;
}

/* Terms & Privacy Pages */
.legal-content {
  padding-top: 100px;
  max-width: 800px;
  margin: 0 auto;
  background-color: var(--color-white);
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  margin-top: 100px;
}

.legal-content h2 {
  margin-top: 2rem;
}

.legal-content ul {
  list-style: disc;
  padding-left: 2rem;
  margin-bottom: 1rem;
}

/* About Page */
.about-section {
  padding-top: 100px;
}

.about-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  align-items: center;
}

.about-image {
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.about-text {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

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

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.team-member {
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: var(--color-white);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
}

.team-member:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.team-image {
  width: 100%;
  height: 300px;
  overflow: hidden;
}

.team-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-info {
  padding: 1.5rem;
  text-align: center;
}

.team-name {
  font-size: var(--font-size-xl);
  margin-bottom: 0.25rem;
}

.team-role {
  font-size: var(--font-size-base);
  color: var(--color-primary);
  margin-bottom: 1rem;
}

/* Utilities */
.text-center {
  text-align: center;
}

.mb-1 {
  margin-bottom: 0.5rem;
}

.mb-2 {
  margin-bottom: 1rem;
}

.mb-3 {
  margin-bottom: 1.5rem;
}

.mb-4 {
  margin-bottom: 2rem;
}

.mt-1 {
  margin-top: 0.5rem;
}

.mt-2 {
  margin-top: 1rem;
}

.mt-3 {
  margin-top: 1.5rem;
}

.mt-4 {
  margin-top: 2rem;
}

/* Animations */
@keyframes morphing {
  0% {
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
  }
  50% {
    border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%;
  }
  100% {
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
  }
}

.morph-animation {
  animation: morphing 8s ease-in-out infinite;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .slide {
    flex: 0 0 50%;
  }
}

@media (max-width: 768px) {
  .desktop-nav {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .slide {
    flex: 0 0 100%;
  }
  
  .contact-content {
    grid-template-columns: 1fr;
  }
  
  .cta-buttons {
    justify-content: center;
  }
  
  .hero-content {
    text-align: center;
    margin: 0 auto;
  }
  
  .section-title, .section-description {
    text-align: center;
  }
}

@media (max-width: 576px) {
  .statistics-grid {
    grid-template-columns: 1fr;
  }
  
  .cases-grid, .news-carousel, .resources-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer-col ul, .social-links {
    justify-content: center;
  }
  
  .contact-info .section-title {
    text-align: center;
  }
  
  .contact-info .section-title::after {
    margin: 1rem auto;
  }
}