:root {
  --color-primary: #6a1b9a; /* Темный пурпурный */
  --color-secondary: #ec407a; /* Ярко-розовый */
  --color-tertiary: #9c27b0; /* Фиолетовый */
  --color-dark: #212121;
  --color-light: #f5f5f5;
  --color-gray: #9e9e9e;
  --shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  --border-radius: 12px;
  --transition: all 0.3s ease;
}

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

body {
  font-family: 'Roboto', Arial, sans-serif;
  color: var(--color-dark);
  background-color: var(--color-light);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Типографика */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.3;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

/* Общие компоненты */
.btn {
  display: inline-block;
  padding: 12px 28px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: white;
  border: none;
  border-radius: 50px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.9rem;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(106, 27, 154, 0.3);
}

.section-title {
  font-size: 2.25rem;
  margin-bottom: 1rem;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 60px;
  height: 4px;
  background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
}

.section-subtitle {
  color: var(--color-gray);
  margin-bottom: 3rem;
  font-size: 1.1rem;
}

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

.text-center .section-title::after {
  left: 50%;
  transform: translateX(-50%);
}

/* Шапка */
.header {
  padding: 15px 0;
  background-color: white;
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 1000;
}

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

.logo {
  display: flex;
  align-items: center;
  font-size: 1.5rem;
  font-weight: 800;
}

.logo svg {
  margin-right: 10px;
  width: 32px;
  height: 32px;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-dark);
  cursor: pointer;
}

.nav-list {
  display: flex;
  gap: 30px;
}

.nav-link {
  position: relative;
  font-weight: 500;
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--color-secondary);
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -5px;
  width: 0;
  height: 2px;
  background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
  transition: var(--transition);
}

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

/* Баннер */
.banner {
  padding: 100px 0 80px;
  position: relative;
  overflow: hidden;
}

.banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(145deg, var(--color-primary), var(--color-secondary));
  clip-path: polygon(0 0, 100% 0, 100% 85%, 0 100%);
  z-index: -1;
}

.banner::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.05' fill-rule='evenodd'%3E%3Cpath d='M0 0h40v40H0V0zm40 40h40v40H40V40zm0-40h2l-2 2V0zm0 4l4-4h2l-6 6V4zm0 4l8-8h2L40 10V8zm0 4L52 0h2L40 14v-2zm0 4L56 0h2L40 18v-2zm0 4L60 0h2L40 22v-2zm0 4L64 0h2L40 26v-2zm0 4L68 0h2L40 30v-2zm0 4L72 0h2L40 34v-2zm0 4L76 0h2L40 38v-2zm0 4L80 0v2L42 40h-2zm4 0L80 4v2L46 40h-2zm4 0L80 8v2L50 40h-2zm4 0l28-28v2L54 40h-2zm4 0l24-24v2L58 40h-2zm4 0l20-20v2L62 40h-2zm4 0l16-16v2L66 40h-2zm4 0l12-12v2L70 40h-2zm4 0l8-8v2l-6 6h-2zm4 0l4-4v2l-2 2h-2z'/%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.3;
  z-index: -1;
}

.banner-content {
  color: white;
  max-width: 600px;
}

.banner-subtitle {
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 20px;
  opacity: 0.9;
}

.banner-title {
  font-size: 3rem;
  margin-bottom: 20px;
}

.banner-description {
  font-size: 1.1rem;
  margin-bottom: 30px;
  opacity: 0.9;
}

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

.banner-cta:hover {
  background-color: var(--color-light);
}

/* Преимущества */
.features {
  padding: 80px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.feature-card {
  background-color: white;
  border-radius: var(--border-radius);
  padding: 30px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: 50%;
  margin-bottom: 20px;
}

.feature-icon svg {
  width: 30px;
  height: 30px;
  fill: white;
}

.feature-title {
  font-size: 1.25rem;
  margin-bottom: 15px;
}

.feature-text {
  font-size: 1rem;
  color: var(--color-gray);
}

/* Как это работает */
.how-works {
  padding: 80px 0;
  background-color: #fafafa;
}

.steps-container {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  justify-content: center;
}

.step-card {
  flex: 1;
  min-width: 280px;
  max-width: 350px;
  background-color: white;
  border-radius: var(--border-radius);
  padding: 30px;
  box-shadow: var(--shadow);
  position: relative;
}

.step-number {
  position: absolute;
  top: -20px;
  left: 30px;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 1.2rem;
}

.step-title {
  margin: 15px 0;
  font-size: 1.25rem;
}

.step-text {
  color: var(--color-gray);
}

/* CTA Секция */
.cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: white;
  text-align: center;
}

.cta-content {
  max-width: 700px;
  margin: 0 auto;
}

.cta-title {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.cta-text {
  font-size: 1.1rem;
  margin-bottom: 40px;
  opacity: 0.9;
}

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

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

/* Подвал */
.footer {
  background-color: var(--color-dark);
  color: white;
  padding: 60px 0 30px;
}

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

.footer-column h3 {
  font-size: 1.2rem;
  margin-bottom: 20px;
  position: relative;
  display: inline-block;
}

.footer-column h3::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 30px;
  height: 3px;
  background-color: var(--color-secondary);
}

.footer-logo {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
  font-size: 1.5rem;
  font-weight: 700;
}

.footer-logo svg {
  margin-right: 10px;
  width: 32px;
  height: 32px;
}

.footer-text {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 20px;
}

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

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition);
}

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

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

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  transition: var(--transition);
}

.social-link:hover {
  background-color: var(--color-secondary);
}

.social-link svg {
  width: 18px;
  height: 18px;
  fill: white;
}

.copyright {
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
}

/* Анимации */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate {
  animation: fadeInUp 0.8s ease forwards;
}

/* Адаптивность */
@media (max-width: 992px) {
  .banner-title {
    font-size: 2.5rem;
  }
}

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }
  
  .nav {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background-color: white;
    flex-direction: column;
    padding: 20px;
    transition: 0.3s;
  }
  
  .nav.active {
    left: 0;
  }
  
  .nav-list {
    flex-direction: column;
    align-items: center;
    gap: 20px;
  }
  
  .banner-title {
    font-size: 2rem;
  }
  
  .section-title {
    font-size: 1.8rem;
  }
  
  .feature-card, .step-card {
    max-width: 100%;
  }
}

@media (max-width: 576px) {
  .banner {
    padding: 80px 0 60px;
  }
  
  .banner-title {
    font-size: 1.8rem;
  }
  
  .btn {
    padding: 10px 20px;
    font-size: 0.8rem;
  }
  
  .feature-card, .step-card {
    padding: 20px;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
}