/* === ОСНОВНЫЕ ПЕРЕМЕННЫЕ И СБРОС === */
:root {
  /* Цветовая схема "Монохромная" */
  --color-primary: #121212;
  --color-primary-light: #303030;
  --color-primary-dark: #000000;
  --color-secondary: #f5f5f5;
  --color-secondary-light: #ffffff;
  --color-secondary-dark: #e0e0e0;
  --color-accent: #ff4d00;
  --color-accent-light: #ff7c40;
  --color-accent-dark: #cc3d00;
  --color-text: #333333;
  --color-text-light: #777777;
  --color-text-white: #ffffff;
  --color-background: #f9f9f9;
  --color-card-bg: #ffffff;
  --color-footer: #121212;
  
  /* Типографика */
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Merriweather', serif;
  
  /* Размеры и отступы */
  --container-width: 1200px;
  --section-spacing: 80px;
  --card-border-radius: 4px;
  --button-border-radius: 0;
  --transition-speed: 0.3s;
  
  /* Тени */
  --shadow-sm: 5px 5px 0 rgba(0, 0, 0, 0.8);
  --shadow-md: 8px 8px 0 rgba(0, 0, 0, 0.8);
  --shadow-lg: 12px 12px 0 rgba(0, 0, 0, 0.8);
  
  /* Брутальные границы */
  --border-brutalism: 3px solid var(--color-primary);
}

/* Сброс стилей */
* {
  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(--color-text);
  background-color: var(--color-background);
  overflow-x: hidden;
}

/* === ТИПОГРАФИКА === */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  text-transform: uppercase;
}

h1 {
  font-size: 3.5rem;
  letter-spacing: -1px;
}

h2 {
  font-size: 2.8rem;
}

h3 {
  font-size: 2rem;
}

p {
  margin-bottom: 1.5rem;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: all var(--transition-speed) ease;
  position: relative;
}

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

.section-title {
  text-align: center;
  margin-bottom: 50px;
  position: relative;
  font-size: 2.5rem;
}

.section-title::after {
  content: "";
  display: block;
  width: 80px;
  height: 5px;
  background-color: var(--color-accent);
  margin: 20px auto 0;
}

.section-subtitle {
  text-align: center;
  font-size: 1.2rem;
  color: var(--color-text-light);
  max-width: 700px;
  margin: -30px auto 40px;
}

/* === КОНТЕЙНЕРЫ И СЕКЦИИ === */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
  width: 100%;
}

section {
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

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

/* === КНОПКИ === */
.btn,
button,
input[type="submit"] {
  display: inline-block;
  padding: 12px 30px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all var(--transition-speed) ease;
  border: var(--border-brutalism);
  background-color: transparent;
  position: relative;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transform: translate(0, 0);
}

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

.btn:active,
button:active,
input[type="submit"]:active {
  transform: translate(0, 0);
  box-shadow: var(--shadow-sm);
}

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

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

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

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

.resource-link {
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  display: inline-block;
  margin-top: 10px;
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 2px;
}

.resource-link:hover {
  border-bottom-width: 3px;
  padding-bottom: 1px;
}

/* === ХЕДЕР И НАВИГАЦИЯ === */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--color-primary);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
}

.logo a {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-text-white);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.desktop-nav ul {
  display: flex;
  list-style: none;
}

.desktop-nav li {
  margin-left: 30px;
}

.desktop-nav a {
  color: var(--color-text-white);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
}

.desktop-nav a::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 3px;
  background-color: var(--color-accent);
  transition: width var(--transition-speed) ease;
}

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

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.mobile-menu-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--color-text-white);
  margin-bottom: 5px;
  transition: all var(--transition-speed) ease;
}

.mobile-nav {
  display: none;
  background-color: var(--color-primary);
  padding: 20px;
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
}

.mobile-nav ul {
  list-style: none;
}

.mobile-nav li {
  margin-bottom: 15px;
}

.mobile-nav a {
  color: var(--color-text-white);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  text-transform: uppercase;
}

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

/* === HERO СЕКЦИЯ === */
.hero {
  position: relative;
  padding: 180px 0 100px;
  color: var(--color-text-white);
  text-align: center;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  z-index: 1;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.hero h1 {
  margin-bottom: 20px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero p {
  font-size: 1.3rem;
  margin-bottom: 40px;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 50px;
  margin-top: 60px;
  color: var(--color-text-white);
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  font-family: var(--font-heading);
  display: block;
  margin-bottom: 5px;
  color: var(--color-text-white);
}

.stat-label {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-secondary-light);
}

/* === ABOUT SECTION === */
.about-content {
  display: flex;
  align-items: center;
  gap: 50px;
}

.about-text {
  flex: 1;
}

.about-image {
  flex: 1;
}

.image-container {
  border: var(--border-brutalism);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transform: rotate(2deg);
  transition: transform var(--transition-speed) ease;
  max-width: 500px;
  margin: 0 auto;
}

.image-container:hover {
  transform: rotate(0);
}

.image-container img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s ease;
}

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

/* === METHODOLOGY SECTION === */
.methodology-intro {
  max-width: 800px;
  margin: 0 auto 50px;
  text-align: center;
  font-size: 1.2rem;
}

.timeline {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  height: 100%;
  width: 5px;
  background-color: var(--color-primary);
  left: 50%;
  transform: translateX(-50%);
  top: 0;
}

.timeline-item {
  margin-bottom: 50px;
  position: relative;
  width: 100%;
  display: flex;
}

.timeline-item:nth-child(odd) {
  justify-content: flex-start;
}

.timeline-item:nth-child(even) {
  justify-content: flex-end;
}

.timeline-icon {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 50px;
  background-color: var(--color-primary);
  color: var(--color-text-white);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-weight: bold;
  font-size: 1.5rem;
  z-index: 2;
  box-shadow: var(--shadow-sm);
}

.timeline-content {
  width: 45%;
  padding: 25px;
  background-color: var(--color-card-bg);
  border: var(--border-brutalism);
  box-shadow: var(--shadow-md);
  position: relative;
}

.timeline-item:nth-child(odd) .timeline-content {
  margin-right: 50px;
}

.timeline-item:nth-child(even) .timeline-content {
  margin-left: 50px;
}

.timeline-content h3 {
  margin-top: 0;
  color: var(--color-primary);
}

/* === TEAM SECTION === */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 30px;
}

.card {
  background-color: var(--color-card-bg);
  border: var(--border-brutalism);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
}

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

.card-image {
  width: 100%;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px 20px 0;
}

.card-image img {
  width: 100%;
  height: auto;
  border: var(--border-brutalism);
  transition: transform 0.5s ease;
  margin: 0 auto;
  display: block;
}

.card:hover .card-image img {
  transform: scale(1.03);
}

.card-content {
  padding: 20px;
  text-align: center;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-content h3 {
  margin-top: 0;
  color: var(--color-primary);
}

.position {
  color: var(--color-accent);
  font-style: italic;
  margin-bottom: 15px;
  font-weight: 500;
}

/* === SUCCESS STORIES SECTION === */
.slider-container {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

.custom-slider {
  display: flex;
  overflow: hidden;
}

.slide {
  min-width: 100%;
  transition: transform 0.5s ease;
}

.testimonial-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: var(--color-card-bg);
  border: var(--border-brutalism);
  box-shadow: var(--shadow-md);
  padding: 30px;
}

.testimonial-image {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  overflow: hidden;
  border: var(--border-brutalism);
  margin-bottom: 20px;
}

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

.testimonial-content {
  text-align: center;
}

.testimonial-text {
  font-style: italic;
  margin-bottom: 20px;
  font-size: 1.1rem;
}

.testimonial-author {
  font-weight: bold;
  color: var(--color-primary);
  margin-bottom: 5px;
}

.testimonial-position {
  color: var(--color-text-light);
}

.slider-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 30px;
}

.slider-prev,
.slider-next {
  background-color: var(--color-primary);
  color: var(--color-text-white);
  border: none;
  padding: 10px 20px;
  margin: 0 10px;
  cursor: pointer;
  transition: background-color var(--transition-speed) ease;
}

.slider-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
}

.dot {
  width: 12px;
  height: 12px;
  background-color: var(--color-text-light);
  border-radius: 50%;
  cursor: pointer;
  transition: background-color var(--transition-speed) ease;
}

.dot.active {
  background-color: var(--color-accent);
}

/* === CASE STUDIES SECTION === */
.case-studies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 30px;
}

/* === ACCOLADES SECTION === */
.accolades-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 30px;
  text-align: center;
}

.accolade-item {
  background-color: var(--color-card-bg);
  border: var(--border-brutalism);
  box-shadow: var(--shadow-md);
  padding: 30px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: transform var(--transition-speed) ease;
}

.accolade-item:hover {
  transform: translateY(-10px);
}

.accolade-item img {
  width: 120px;
  height: 120px;
  object-fit: cover;
  margin-bottom: 20px;
  border: var(--border-brutalism);
  transition: transform 0.5s ease;
  display: block;
  margin: 0 auto 20px;
}

.accolade-item:hover img {
  transform: scale(1.05);
}

.accolade-item h3 {
  margin-bottom: 10px;
  color: var(--color-primary);
}

/* === RESOURCES SECTION === */
.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 30px;
}

.resource-card {
  background-color: var(--color-card-bg);
  border: var(--border-brutalism);
  box-shadow: var(--shadow-md);
  padding: 30px;
  transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
  height: 100%;
}

.resource-card:hover {
  transform: translate(-5px, -5px);
  box-shadow: var(--shadow-lg);
}

.resource-card h3 {
  margin-top: 0;
  margin-bottom: 15px;
  color: var(--color-primary);
}

/* === CLIENTELE SECTION === */
.clientele-logos {
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 50px;
}

.logo-item {
  padding: 20px;
  margin: 10px;
  text-align: center;
  background-color: var(--color-card-bg);
  border: var(--border-brutalism);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-speed) ease;
}

.logo-item:hover {
  transform: scale(1.05);
}

.logo-item img {
  max-width: 150px;
  height: auto;
  display: block;
  margin: 0 auto;
}

.clientele-stats {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  margin-top: 50px;
}

/* === CONTACT SECTION === */
.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}

.contact-info {
  background-color: var(--color-card-bg);
  border: var(--border-brutalism);
  box-shadow: var(--shadow-md);
  padding: 30px;
}

.contact-info h3 {
  margin-top: 0;
  color: var(--color-primary);
}

.contact-details {
  margin-top: 30px;
}

.contact-item {
  margin-bottom: 20px;
}

.contact-item h4 {
  margin-bottom: 5px;
  color: var(--color-accent);
}

.contact-form {
  background-color: var(--color-card-bg);
  border: var(--border-brutalism);
  box-shadow: var(--shadow-md);
  padding: 30px;
}

.contact-form h3 {
  margin-top: 0;
  color: var(--color-primary);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: bold;
  color: var(--color-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px;
  border: 2px solid var(--color-text-light);
  background-color: var(--color-secondary-light);
  transition: border-color var(--transition-speed) ease;
  font-family: var(--font-body);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

/* === FOOTER === */
.footer {
  background-color: var(--color-footer);
  color: var(--color-text-white);
  padding: 80px 0 20px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-logo a {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-text-white);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-logo p {
  margin-top: 15px;
  font-size: 0.9rem;
}

.footer-links h3 {
  font-size: 1.2rem;
  margin-bottom: 20px;
  color: var(--color-text-white);
}

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

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: var(--color-secondary-light);
  transition: color var(--transition-speed) ease;
  font-size: 0.9rem;
}

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

.footer-social h3 {
  font-size: 1.2rem;
  margin-bottom: 20px;
  color: var(--color-text-white);
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.social-links a {
  color: var(--color-secondary-light);
  transition: color var(--transition-speed) ease;
  margin-right: 15px;
  font-size: 0.9rem;
}

.social-links a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--color-text-light);
}

/* === ADDITIONAL PAGES === */
.success-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 50px 20px;
}

.terms-page,
.privacy-page {
  padding-top: 100px;
}

/* === АНИМАЦИЯ ЧАСТИЦ === */
.particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.particle {
  position: absolute;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.5);
  pointer-events: none;
}

/* === RESPONSIVE STYLES === */
@media (max-width: 1200px) {
  .container {
    max-width: 100%;
    padding: 0 30px;
  }
  
  .section-title {
    font-size: 2.2rem;
  }
  
  h1 {
    font-size: 3rem;
  }
  
  .about-content {
    flex-direction: column;
  }
  
  .about-image {
    margin-top: 30px;
  }
}

@media (max-width: 992px) {
  .timeline::before {
    left: 30px;
  }
  
  .timeline-item {
    width: 100%;
    justify-content: flex-start !important;
  }
  
  .timeline-icon {
    left: 30px;
  }
  
  .timeline-content {
    width: calc(100% - 80px);
    margin-left: 80px !important;
  }
  
  .contact-content {
    grid-template-columns: 1fr;
  }
  
  .clientele-stats {
    flex-direction: column;
    align-items: center;
  }
  
  .stat-item {
    margin-bottom: 30px;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
    gap: 15px;
  }
  
  .btn {
    width: 100%;
    max-width: 250px;
  }
}

@media (max-width: 768px) {
  .desktop-nav {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .header-content {
    padding: 15px 0;
  }
  
  .logo a {
    font-size: 1.5rem;
  }
  
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .hero {
    padding: 150px 0 80px;
  }
  
  .hero p {
    font-size: 1.1rem;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 576px) {
  .card-image img {
    height: 250px;
    object-fit: cover;
  }
  
  .case-studies-grid,
  .team-grid,
  .accolades-grid,
  .resources-grid {
    grid-template-columns: 1fr;
  }
  
  .clientele-logos {
    flex-direction: column;
  }
  
  .logo-item {
    width: 100%;
    margin-bottom: 20px;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: 20px;
  }
  
  .stat-item {
    margin-bottom: 20px;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  .section-title {
    font-size: 1.8rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
}

/* Объемные элементы UI */
.brutal-3d {
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.3s ease;
}

.brutal-3d::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 10px;
  width: 100%;
  height: 100%;
  background-color: var(--color-primary-dark);
  z-index: -1;
  transform: translateZ(-10px);
}

/* Анимация при прокрутке */
[data-aos] {
  visibility: hidden;
}

[data-aos].aos-animate {
  visibility: visible;
}

/* Анимация счетчиков */
.stat-number {
  transition: color 0.3s ease;
}

/* Успешная отправка формы */
.success-message {
  background-color: var(--color-card-bg);
  border: var(--border-brutalism);
  box-shadow: var(--shadow-md);
  padding: 50px;
  text-align: center;
  max-width: 600px;
}

.success-message h2 {
  color: var(--color-primary);
  margin-bottom: 20px;
}

.success-message p {
  margin-bottom: 30px;
}

/* Стили для privacy и terms страниц */
.content-page {
  padding-top: 100px;
}

.content-container {
  max-width: 800px;
  margin: 0 auto;
  background-color: var(--color-card-bg);
  border: var(--border-brutalism);
  box-shadow: var(--shadow-md);
  padding: 40px;
}

.content-container h1 {
  color: var(--color-primary);
  margin-bottom: 30px;
}

.content-container h2 {
  color: var(--color-primary);
  margin-top: 40px;
  margin-bottom: 20px;
  font-size: 1.8rem;
}

.content-container p {
  margin-bottom: 20px;
}

.content-container ul {
  margin-bottom: 20px;
  padding-left: 20px;
}

.content-container li {
  margin-bottom: 10px;
}