:root {
  --primary-color: #4a90e2;
  --secondary-color: #50e3c2;
  --accent-color: #f5a623;
  --dark-color: #1a1a1a;
  --light-color: #ffffff;
  --gray-color: #f5f5f5;
  --text-color: #333333;
  --gradient: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  --gradient-dark: linear-gradient(135deg, #2c3e50, #3498db);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--light-color);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header Styles */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  padding: 20px 0;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: "Space Grotesk", sans-serif;
  font-size: 24px;
  font-weight: 700;
  color: var(--primary-color);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.main-nav ul {
  display: flex;
  list-style: none;
  gap: 30px;
}

.main-nav a {
  text-decoration: none;
  color: var(--text-color);
  font-weight: 500;
  transition: color 0.3s ease;
}

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

.mobile-menu-btn {
  display: none;
}

/* Hero Section */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  background: var(--gradient-dark);
  color: var(--light-color);
  padding-top: 80px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("./hero-bg.jpg") center/cover;
  opacity: 0.2;
  z-index: 1;
}

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

.hero h1 {
  font-size: 4rem;
  font-weight: 700;
  margin-bottom: 20px;
  font-family: "Space Grotesk", sans-serif;
}

.hero-subtitle {
  font-size: 1.5rem;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.cta-button {
  display: inline-block;
  padding: 15px 40px;
  background-color: var(--light-color);
  color: var(--primary-color);
  text-decoration: none;
  border-radius: 30px;
  font-weight: 600;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* Services Section */
.services {
  padding: 100px 0;
  background-color: var(--gray-color);
}

.services h2 {
  text-align: center;
  margin-bottom: 50px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.service-card {
  background-color: var(--light-color);
  padding: 40px;
  border-radius: 20px;
  text-align: center;
  transition: transform 0.3s ease;
}

.service-card:hover {
  transform: translateY(-10px);
}

.service-card i {
  font-size: 3rem;
  color: var(--primary-color);
  margin-bottom: 20px;
}

/* Workflow Section */
.workflow {
  padding: 100px 0;
}

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

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

.timeline-item {
  margin-bottom: 50px;
  position: relative;
}

.timeline-content {
  background-color: var(--light-color);
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  position: relative;
  width: calc(50% - 20px);
}

.timeline-item:nth-child(odd) .timeline-content {
  margin-left: auto;
}

/* Principles Section */
.principles {
  padding: 100px 0;
  background-color: var(--gray-color);
}

.principles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.principle-card {
  background-color: var(--light-color);
  padding: 40px;
  border-radius: 20px;
  text-align: center;
}

/* About Section */
.about {
  padding: 100px 0;
  background-color: var(--light-color);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: start;
}

.about-text {
  padding-right: 30px;
}

.about-text h2 {
  text-align: center;
  margin-bottom: 30px;
  font-size: 2.5rem;
  color: var(--dark-color);
  font-weight: 700;
}

.about-text p {
  color: var(--dark-color);
  line-height: 1.8;
  font-size: 1.1rem;
  margin-bottom: 30px;
}

.about-image img {
  width: 100%;
  border-radius: 20px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 40px;
}

.stat-item {
  text-align: center;
  padding: 30px;
  background: white;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease;
}

.stat-item:hover {
  transform: translateY(-5px);
}

.stat-item i {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 5px;
}

.stat-label {
  color: var(--dark-color);
  font-size: 1rem;
  font-weight: 500;
}

.about-features {
  display: grid;
  gap: 30px;
}

.feature-item {
  background: white;
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease;
}

.feature-item:hover {
  transform: translateY(-5px);
}

.feature-item i {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.feature-item h3 {
  font-size: 1.5rem;
  margin-bottom: 10px;
  color: var(--dark-color);
  font-weight: 600;
}

.feature-item p {
  color: var(--dark-color);
  line-height: 1.6;
  font-size: 1rem;
}

/* Why Choose Us Section */
.why-us {
  padding: 100px 0;
  background-color: var(--gray-color);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.benefit-card {
  background-color: var(--light-color);
  padding: 40px;
  border-radius: 20px;
  text-align: center;
}

.benefit-card h3 {
  color: var(--dark-color);
  margin-bottom: 15px;
}

.benefit-card p {
  color: var(--dark-color);
}

/* Use Cases Section */
.use-cases {
  padding: 100px 0;
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.case-card {
  background-color: var(--gray-color);
  padding: 40px;
  border-radius: 20px;
  text-align: center;
}

.case-card h3 {
  color: var(--dark-color);
  margin-bottom: 15px;
}

.case-card p {
  color: var(--dark-color);
}

/* Testimonials Section */
.testimonials {
  padding: 100px 0;
  background-color: var(--light-color);
}

.testimonials h2 {
  text-align: center;
  margin-bottom: 50px;
  font-size: 2.5rem;
  color: var(--dark-color);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

.testimonial-card {
  background: white;
  padding: 40px;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease;
}

.testimonial-card:hover {
  transform: translateY(-10px);
}

.testimonial-card p {
  color: var(--dark-color);
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-card cite {
  color: var(--dark-color);
  font-style: normal;
  font-weight: 600;
  display: block;
  text-align: right;
}

/* FAQ Section */
.faq {
  padding: 100px 0;
}

.faq-grid {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  margin-bottom: 30px;
  padding: 20px;
  background-color: var(--gray-color);
  border-radius: 15px;
}

.faq-item h3 {
  color: var(--dark-color);
  margin-bottom: 15px;
}

.faq-item p {
  color: var(--dark-color);
  line-height: 1.6;
}

/* Trust Section */
.trust {
  padding: 100px 0;
  background-color: var(--light-color);
}

.trust h2 {
  text-align: center;
  margin-bottom: 50px;
  font-size: 2.5rem;
  color: var(--dark-color);
}

.trust-logos {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

.trust-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 30px;
  background: white;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease;
}

.trust-logo:hover {
  transform: translateY(-10px);
}

.trust-logo i {
  font-size: 3.5rem;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.trust-logo span {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--dark-color);
}

/* Newsletter Section */
.newsletter {
  padding: 100px 0;
}

.newsletter-form {
  max-width: 500px;
  margin: 0 auto;
  display: flex;
  gap: 10px;
}

.newsletter-form input {
  flex: 1;
  padding: 15px;
  border: 2px solid var(--gray-color);
  border-radius: 30px;
  font-size: 16px;
}

.newsletter-form button {
  padding: 15px 30px;
  background-color: var(--primary-color);
  color: var(--light-color);
  border: none;
  border-radius: 30px;
  cursor: pointer;
  font-weight: 600;
}

/* Contact Section */
.contact {
  padding: 100px 0;
  background-color: var(--gray-color);
}

.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

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

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 15px;
  border: 2px solid var(--gray-color);
  border-radius: 10px;
  font-size: 16px;
}

.form-group textarea {
  height: 150px;
  resize: vertical;
}

/* Footer */
.footer {
  background-color: var(--dark-color);
  color: var(--light-color);
  padding: 50px 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 30px;
}

.footer-logo {
  font-family: "Space Grotesk", sans-serif;
  font-size: 24px;
  font-weight: 700;
}

.footer-links {
  display: flex;
  gap: 20px;
}

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

.social-links {
  display: flex;
  gap: 15px;
}

.social-links a {
  color: var(--light-color);
  font-size: 20px;
}

/* Team Section */
.team {
  padding: 100px 0;
  background-color: var(--light-color);
}

.team h2 {
  text-align: center;
  margin-bottom: 50px;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.team-member {
  background: white;
  border-radius: 15px;
  padding: 40px 30px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease;
}

.team-member:hover {
  transform: translateY(-10px);
}

.member-icon {
  width: 100px;
  height: 100px;
  background: var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.member-icon i {
  font-size: 3rem;
  color: white;
}

.team-member h3 {
  color: var(--dark-color);
  font-size: 1.5rem;
  margin-bottom: 10px;
}

.team-member p {
  color: var(--dark-color);
  margin-bottom: 20px;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 15px;
}

.social-links a {
  color: var(--primary-color);
  font-size: 1.5rem;
  transition: color 0.3s ease;
}

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

/* Technologies Section */
.technologies {
  padding: 100px 0;
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--secondary-color) 100%
  );
  color: white;
}

.technologies h2 {
  text-align: center;
  margin-bottom: 50px;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.tech-item {
  text-align: center;
  padding: 40px 20px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 15px;
  backdrop-filter: blur(10px);
  transition: transform 0.3s ease;
}

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

.tech-item i {
  font-size: 3rem;
  margin-bottom: 20px;
}

.tech-item h3 {
  color: white;
  margin-bottom: 10px;
}

.tech-item p {
  color: rgba(255, 255, 255, 0.9);
}

/* Process Section */
.process {
  padding: 100px 0;
  background-color: var(--light-color);
}

.process h2 {
  text-align: center;
  margin-bottom: 50px;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  position: relative;
}

.process-steps::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--primary-color);
  z-index: 1;
}

.process-step {
  position: relative;
  z-index: 2;
  background: white;
  padding: 30px;
  border-radius: 15px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.process-step::before {
  content: attr(data-step);
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 40px;
  background: var(--primary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}

.process-step h3 {
  color: var(--dark-color);
  margin-bottom: 15px;
}

.process-step p {
  color: var(--dark-color);
  font-size: 1rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .about-content {
    grid-template-columns: 1fr;
  }

  .about-text {
    padding-right: 0;
  }

  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .trust-logos {
    grid-template-columns: repeat(2, 1fr);
  }

  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Mobile Menu */
@media (max-width: 768px) {
  :root {
    --mobile-padding: 15px;
    --mobile-gap: 20px;
  }

  /* Общие стили */
  * {
    box-sizing: border-box;
  }

  html, body {
    width: 100%;
    overflow-x: hidden;
    position: relative;
  }

  .container {
    width: 100%;
    max-width: 100%;
    padding: 0 var(--mobile-padding);
    margin: 0;
  }

  /* Шапка и навигация */
  .header {
    padding: 15px var(--mobile-padding);
  }

  .main-nav {
    position: fixed;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100vh;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    padding: 80px var(--mobile-padding) 40px;
    transition: left 0.3s ease;
    z-index: 1000;
  }

  .main-nav.active {
    left: 0;
  }

  .main-nav ul {
    flex-direction: column;
    gap: var(--mobile-gap);
    padding: 0;
    margin: 0;
  }

  .main-nav a {
    font-size: 1.2rem;
    padding: 10px 0;
    display: block;
  }

  .mobile-menu-btn {
    display: block;
    z-index: 1001;
  }

  /* Секции */
  section {
    padding: 40px var(--mobile-padding);
  }

  h2 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    text-align: center;
  }

  h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
  }

  p {
    font-size: 1rem;
    line-height: 1.5;
  }

  /* Hero секция */
  .hero {
    padding: 100px var(--mobile-padding) 60px;
    text-align: center;
  }

  .hero h1 {
    font-size: 2.2rem;
    line-height: 1.2;
    margin-bottom: 20px;
  }

  .hero-subtitle {
    font-size: 1.1rem;
    margin-bottom: 30px;
  }

  /* Сетки */
  .services-grid,
  .team-grid,
  .tech-grid,
  .process-steps,
  .benefits-grid,
  .cases-grid,
  .testimonials-grid,
  .faq-grid,
  .trust-logos {
    grid-template-columns: 1fr;
    gap: var(--mobile-gap);
    padding: 0;
    margin: 0;
  }

  /* Карточки */
  .service-card,
  .team-member,
  .tech-item,
  .process-step,
  .benefit-card,
  .case-card,
  .testimonial-card,
  .faq-item,
  .trust-logo {
    padding: 20px;
    margin: 0;
    border-radius: 12px;
  }

  /* Статистика */
  .about-stats {
    grid-template-columns: 1fr;
    gap: var(--mobile-gap);
  }

  .stat-item {
    padding: 20px;
    text-align: center;
  }

  .stat-number {
    font-size: 2.2rem;
  }

  .stat-label {
    font-size: 1rem;
  }

  /* Команда */
  .member-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 15px;
  }

  .member-icon i {
    font-size: 2.5rem;
  }

  .social-links {
    justify-content: center;
    gap: 15px;
  }

  /* Формы */
  .newsletter-form,
  .contact-form {
    width: 100%;
    padding: 0;
  }

  .form-group {
    margin-bottom: 15px;
  }

  input[type="text"],
  input[type="email"],
  textarea {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

[data-aos="fade-up"] {
  animation: fadeIn 1s ease-out;
}