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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, sans-serif;
  background: linear-gradient(135deg, #0a0a1a 0%, #1a1a3a 100%);
  color: #d8eafc;
  min-height: 100vh;
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

header {
  text-align: center;
  padding: 2rem 0;
}

.logo-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
}

.logo {
  width: 48px;
  height: 48px;
}

.logo-text {
  font-size: 2rem;
  font-weight: 600;
  color: #219cf5;
  letter-spacing: 2px;
}

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

.tagline {
  font-size: 1.5rem;
  letter-spacing: 2px;
  margin-bottom: 1rem;
}

.tagline .dim {
  opacity: 0.4;
}

.tagline .medium {
  opacity: 0.7;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  letter-spacing: 2px;
}

.subtitle {
  font-size: 1.5rem;
  color: #219cf5;
  margin-bottom: 1rem;
}

.description {
  font-size: 1.25rem;
  max-width: 50ch;
  margin: 0 auto 2rem;
  opacity: 0.9;
}

.cta-button {
  display: inline-block;
  background: #219cf5;
  color: white;
  text-decoration: none;
  padding: 1rem 2rem;
  border-radius: 50px;
  font-size: 1.125rem;
  font-weight: 500;
  transition: background 0.2s ease;
}

.cta-button:hover {
  background: #1a7cc4;
}

.features {
  padding: 4rem 0;
}

.features h2 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 3rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.feature {
  background: rgba(255, 255, 255, 0.05);
  padding: 2rem;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.feature h3 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
  color: #219cf5;
}

.feature p {
  opacity: 0.85;
}

.how-it-works {
  padding: 4rem 0;
  background: rgba(19, 17, 36, 0.5);
  border-radius: 16px;
  margin: 2rem 0;
}

.section-label {
  display: block;
  text-align: center;
  color: #219cf5;
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.how-it-works h2 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 3rem;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  padding: 0 2rem;
}

.step {
  text-align: center;
}

.step h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.step p {
  opacity: 0.85;
  font-size: 0.95rem;
}

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

footer {
  text-align: center;
  padding: 2rem 0;
  opacity: 0.6;
  font-size: 0.875rem;
}

footer a {
  color: #219cf5;
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }

  .features h2,
  .how-it-works h2 {
    font-size: 1.5rem;
  }

  .container {
    padding: 1rem;
  }
}