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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background: #0f1117;
  color: #c0caf5;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: #7aa2f7;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Nav */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(15, 17, 23, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(61, 89, 161, 0.3);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: #c0caf5;
}

.nav-logo:hover {
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.nav-links a {
  color: #a9b1d6;
  font-size: 0.95rem;
}

.nav-links a:hover {
  color: #c0caf5;
  text-decoration: none;
}

.nav-cta {
  background: #7aa2f7;
  color: #0f1117 !important;
  padding: 0.4rem 1rem;
  border-radius: 6px;
  font-weight: 600;
}

.nav-cta:hover {
  background: #89b4fa;
}

/* Hero */
.hero {
  max-width: 1100px;
  margin: 0 auto;
  padding: 10rem 1.5rem 5rem;
  text-align: center;
}

.badge {
  display: inline-block;
  background: rgba(122, 162, 247, 0.15);
  color: #7aa2f7;
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(122, 162, 247, 0.3);
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.25rem;
  background: linear-gradient(135deg, #c0caf5 0%, #7aa2f7 50%, #bb9af7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.2rem;
  color: #a9b1d6;
  max-width: 600px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-block;
  background: #7aa2f7;
  color: #0f1117;
  padding: 0.75rem 1.75rem;
  border-radius: 8px;
  font-weight: 700;
  font-size: 1rem;
  transition: background 0.2s;
}

.btn-primary:hover {
  background: #89b4fa;
  text-decoration: none;
}

.btn-secondary {
  display: inline-block;
  border: 1px solid #3d59a1;
  color: #c0caf5;
  padding: 0.75rem 1.75rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  transition: border-color 0.2s;
}

.btn-secondary:hover {
  border-color: #7aa2f7;
  text-decoration: none;
}

/* Features */
.features {
  max-width: 1100px;
  margin: 0 auto;
  padding: 3rem 1.5rem 5rem;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.feature-card {
  background: #1a1b26;
  border: 1px solid rgba(61, 89, 161, 0.3);
  border-radius: 12px;
  padding: 2rem;
}

.feature-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: #c0caf5;
  margin-bottom: 0.5rem;
}

.feature-card p {
  color: #a9b1d6;
  font-size: 0.95rem;
  line-height: 1.6;
}

/* How It Works */
.how-it-works {
  max-width: 1100px;
  margin: 0 auto;
  padding: 3rem 1.5rem 5rem;
  text-align: center;
}

.how-it-works h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 2.5rem;
}

.steps {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 2rem;
  text-align: left;
}

.step {
  position: relative;
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: rgba(122, 162, 247, 0.15);
  color: #7aa2f7;
  border-radius: 50%;
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 1rem;
  border: 1px solid rgba(122, 162, 247, 0.3);
}

.step h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #c0caf5;
  margin-bottom: 0.5rem;
}

.step p {
  color: #a9b1d6;
  font-size: 0.95rem;
}

/* Download */
.download {
  max-width: 1100px;
  margin: 0 auto;
  padding: 4rem 1.5rem 5rem;
  text-align: center;
}

.download h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.download > p {
  color: #a9b1d6;
  margin-bottom: 1.5rem;
}

.download-note {
  color: #565f89;
  font-size: 0.85rem;
  margin-top: 1rem;
}

/* Footer */
.footer {
  border-top: 1px solid rgba(61, 89, 161, 0.3);
  margin-top: 2rem;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.footer-left span:first-child {
  font-weight: 700;
  color: #c0caf5;
}

.footer-copy {
  color: #565f89;
  font-size: 0.85rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  color: #a9b1d6;
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.25rem;
  }

  .hero-sub {
    font-size: 1rem;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .steps {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .footer-left {
    flex-direction: column;
    gap: 0.25rem;
  }
}