:root {
  --primary-color: #6366f1;
  --primary-dark: #4f46e5;
  --secondary-color: #64748b;
  --background-color: #ffffff;
  --surface-color: #f8fafc;
  --text-primary: #1e293b;
  --text-secondary: #475569;
  --border-radius: 12px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

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

body {
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  color: var(--text-primary);
  background-color: var(--background-color);
  line-height: 1.6;
  padding-top: 80px;
}

/* Навигация */
.navbar {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-sm);
  padding: 1rem 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--primary-color) !important;
}

.nav-link {
  font-weight: 500;
  color: var(--text-secondary) !important;
  transition: all 0.3s ease;
  padding: 0.5rem 1rem !important;
  border-radius: var(--border-radius);
}

.nav-link:hover {
  color: var(--primary-color) !important;
  background-color: rgba(99, 102, 241, 0.05);
}

/* Герой-секция */
.hero {
  background: linear-gradient(135deg, #f0f4ff 0%, #e0e7ff 100%);
  padding: 6rem 0;
  position: relative;
  overflow: hidden;
}

/*.hero::before {*/
/*  content: '';*/
/*  position: absolute;*/
/*  top: -50%;*/
/*  right: -20%;*/
/*  width: 100%;*/
/*  height: 200%;*/
/*  background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);*/
/*}*/

.hero h1 {
  font-weight: 800;
  font-size: 3.5rem;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--text-primary), var(--primary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero .lead {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

/* Кнопки */
.btn {
  font-weight: 600;
  border-radius: var(--border-radius);
  transition: all 0.3s ease;
  border: none;
  padding: 0.75rem 1.5rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Карточки */
.feature-card {
  padding: 2rem 1.5rem;
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
  height: 100%;
  text-align: center;
}

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

.feature-card i {
  font-size: 2.5rem;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.feature-card p {
  color: var(--text-secondary);
}

/* Секции */
section {
  padding: 5rem 0;
}

.bg-light {
  background-color: var(--surface-color) !important;
}

/* Подвал */
.footer {
  background-color: var(--text-primary);
  color: white;
  padding: 3rem 0;
}

/* Утилиты */
.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow-md { box-shadow: var(--shadow-md) !important; }
.shadow-lg { box-shadow: var(--shadow-lg) !important; }

.rounded-lg { border-radius: var(--border-radius) !important; }

/* Анимации */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out forwards;
}

/* Адаптивность */
@media (max-width: 768px) {
  body {
    padding-top: 70px;
  }

  .hero {
    padding: 4rem 0;
    text-align: center;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  section {
    padding: 3rem 0;
  }

  .hero .lead {
    font-size: 1.125rem;
  }
}





.hero-image, .process-image {
  filter: drop-shadow(0 10px 15px rgba(0, 0, 0, 0.1));
}

.min-vh-75 {
  min-height: 75vh;
}

/* Адаптивность для SVG */
@media (max-width: 768px) {
  .hero-image svg,
  .process-image svg {
    width: 100%;
    height: auto;
    max-height: 300px;
  }
}