body {
  margin: 0;
  font-family: 'Inter', 'Arial', sans-serif;
  color: #1a1a1a;
  background: #fff;
  scroll-behavior: smooth;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

/* Header */
.header {
  background: #fff;
  border-bottom: 1px solid #e5e5e5;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 0;
}

.logo {
  font-size: 1.4rem;
  font-weight: 700;
  color: #0056ff;
}

.nav a {
  margin-left: 20px;
  text-decoration: none;
  color: #1a1a1a;
  font-weight: 500;
  transition: color 0.3s;
}

.nav a:hover {
  color: #0056ff;
}

.btn {
  background: #0056ff;
  color: #fff !important;
  padding: 10px 18px;
  border-radius: 6px;
  transition: all 0.3s;
}

.btn:hover {
  background: #0040cc;
  transform: translateY(-2px);
}

/* Burger */
.burger {
  display: none;
  font-size: 26px;
  cursor: pointer;
}

/* Hero */
.hero {
  background: linear-gradient(135deg, #e8f0ff 0%, #ffffff 100%);
  text-align: center;
  padding: 100px 0;
}

.hero h1 {
  font-size: 2.4rem;
  margin-bottom: 15px;
  color: #002b80;
}

.hero p {
  font-size: 1.1rem;
  color: #333;
  margin-bottom: 30px;
}

.cta {
  font-size: 1.1rem;
}

/* Benefits */
.benefits {
  padding: 80px 0;
  text-align: center;
}

.benefit-grid {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  margin-top: 40px;
}

.benefit-item {
  flex: 0 1 30%;
  background: #f8f9ff;
  padding: 25px;
  border-radius: 10px;
  margin: 10px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

/* Steps */
.how {
  background: #f0f4ff;
  padding: 80px 0;
  text-align: center;
}

.steps {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 40px;
}

.step {
  background: #fff;
  border-radius: 10px;
  margin: 10px;
  padding: 25px;
  width: 220px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.step span {
  display: block;
  font-size: 1.8rem;
  color: #0056ff;
  font-weight: 700;
  margin-bottom: 10px;
}

/* About */
.about {
  padding: 70px 0;
  text-align: center;
}

.about a {
  color: #0056ff;
  text-decoration: none;
}

/* Footer */
.footer {
  background: #002b80;
  color: #fff;
  text-align: center;
  padding: 30px 0;
}

.footer a {
  color: #fff;
  text-decoration: none;
}

/* Анимации при скролле */
.fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }
.delay-3 { transition-delay: 0.6s; }

/* Адаптивность */
@media (max-width: 768px) {
  .nav {
    display: none;
    flex-direction: column;
    background: #fff;
    position: absolute;
    top: 60px;
    right: 0;
    width: 200px;
    border: 1px solid #ddd;
    text-align: right;
  }

  .nav.active {
    display: flex;
  }

  .nav a {
    margin: 15px;
  }

  .burger {
    display: block;
  }

  .benefit-item {
    flex: 1 1 100%;
  }

  .hero {
    padding: 60px 0;
  }
}