:root {
  --primary-blue: #2563eb;
  --primary-purple: #7c3aed;
  --gradient: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
  --accent-blue: #38bdf8;
  --accent-purple: #a78bfa;
  --background: #f8fafc;
  --card-bg: #ffffffcc;
  --text-main: #1e293b;
  --text-light: #64748b;
  --shadow: 0 4px 24px 0 rgba(60, 30, 90, 0.08);
}

body {
  margin: 0;
  padding: 0;
  font-family: 'Inter', Arial, sans-serif;
  background: var(--gradient);
  min-height: 100vh;
  color: var(--text-main);
}

.header {
  padding: 48px 0 32px 0;
  text-align: center;
  color: #fff;
  background: var(--gradient);
}

.header h1 {
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -1px;
}

.header p {
  font-size: 1.3rem;
  font-weight: 400;
  color: #e0e7ff;
  margin-bottom: 32px;
}

.cta-btn {
  background: var(--gradient);
  color: #fff;
  border: none;
  border-radius: 32px;
  padding: 16px 40px;
  font-size: 1.1rem;
  font-weight: 700;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}

.cta-btn:hover {
  background: linear-gradient(135deg, #1e40af 0%, #6d28d9 100%);
  transform: translateY(-2px) scale(1.03);
}

.section {
  max-width: 900px;
  margin: 40px auto;
  background: var(--card-bg);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 40px 28px;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-blue);
  margin-bottom: 18px;
  text-align: center;
}

.features {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  justify-content: center;
  margin-top: 24px;
}

.feature-card {
  background: #fff;
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 28px 22px;
  flex: 1 1 260px;
  min-width: 220px;
  max-width: 300px;
  text-align: center;
  transition: box-shadow 0.2s, transform 0.2s;
}

.feature-card:hover {
  box-shadow: 0 8px 32px 0 rgba(60, 30, 90, 0.16);
  transform: translateY(-4px) scale(1.03);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 14px;
  color: var(--primary-purple);
}

.feature-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--primary-blue);
  margin-bottom: 8px;
}

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

.about {
  text-align: center;
  color: var(--text-main);
}

.footer {
  text-align: center;
  padding: 32px 0 16px 0;
  color: #c7d2fe;
  font-size: 1rem;
  background: var(--gradient);
  border-top-left-radius: 18px;
  border-top-right-radius: 18px;
  margin-top: 48px;
}

@media (max-width: 700px) {
  .section {
    padding: 24px 8px;
  }
  .features {
    flex-direction: column;
    gap: 18px;
  }
  .header h1 {
    font-size: 2rem;
  }
  .section-title {
    font-size: 1.3rem;
  }
}