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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background: #0b1020;
  color: #e0e0e0;
  line-height: 1.7;
  min-height: 100vh;
}

a {
  color: #7cb8ff;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.page {
  max-width: 800px;
  margin: 0 auto;
  padding: 3rem 1.5rem 5rem;
}

.logo {
  display: block;
  width: 64px;
  height: 64px;
  margin: 0 auto 1.5rem;
  border-radius: 12px;
}

h1 {
  font-size: 2.2rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: #ffffff;
  margin: 2.2rem 0 0.8rem;
}

h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: #d0d0ff;
  margin: 1.6rem 0 0.5rem;
}

p {
  margin-bottom: 1rem;
}

.subtitle {
  font-size: 1.1rem;
  color: #9aa0b8;
  margin-bottom: 2rem;
}

.tagline {
  font-size: 1.15rem;
  color: #7cb8ff;
  font-weight: 500;
  margin-bottom: 1.5rem;
}

.card {
  background: #121a2e;
  border: 1px solid #1e2a44;
  border-radius: 10px;
  padding: 1.5rem;
  margin-bottom: 1.2rem;
}

.card h3 {
  margin-top: 0;
  color: #ffffff;
}

.card p:last-child,
.card li:last-child {
  margin-bottom: 0;
}

.step {
  background: #121a2e;
  border: 1px solid #1e2a44;
  border-radius: 10px;
  padding: 1.2rem 1.5rem;
  margin-bottom: 1rem;
}

.step strong {
  display: block;
  color: #7cb8ff;
  font-size: 1rem;
  margin-bottom: 0.3rem;
}

.step p {
  margin: 0;
  font-size: 0.95rem;
}

code {
  background: #1a2440;
  color: #b8d8ff;
  padding: 0.15em 0.4em;
  border-radius: 4px;
  font-size: 0.9em;
  font-family: 'Fira Code', 'Cascadia Code', 'Consolas', monospace;
}

pre {
  background: #0a1020;
  border: 1px solid #1e2a44;
  border-radius: 8px;
  padding: 1rem 1.2rem;
  overflow-x: auto;
  margin: 0.8rem 0 1.2rem;
}

pre code {
  background: none;
  padding: 0;
  font-size: 0.85rem;
  color: #c8d8f0;
}

ul, ol {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}

li {
  margin-bottom: 0.4rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin: 1.2rem 0 1.8rem;
}

.feature-tag {
  background: #121a2e;
  border: 1px solid #1e2a44;
  border-radius: 6px;
  padding: 0.65rem 1rem;
  font-size: 0.9rem;
  color: #b0c0e0;
  text-align: center;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0 2rem;
  font-size: 0.92rem;
}

.comparison-table th {
  background: #1a2440;
  color: #ffffff;
  font-weight: 600;
  padding: 0.7rem 1rem;
  text-align: left;
  border-bottom: 2px solid #2a3a5c;
}

.comparison-table td {
  padding: 0.55rem 1rem;
  border-bottom: 1px solid #1a2440;
}

.comparison-table tr:nth-child(even) td {
  background: #0f1628;
}

.cta {
  display: inline-block;
  background: #2a5cdb;
  color: #ffffff;
  font-weight: 600;
  font-size: 1rem;
  padding: 0.75rem 2rem;
  border-radius: 8px;
  margin-top: 1rem;
  transition: background 0.2s;
}

.cta:hover {
  background: #3b6ef0;
  text-decoration: none;
  color: #ffffff;
}

.cta-secondary {
  background: transparent;
  border: 2px solid #2a5cdb;
  color: #7cb8ff;
}

.cta-secondary:hover {
  background: #121a2e;
  color: #9cd0ff;
}

nav.breadcrumbs {
  font-size: 0.88rem;
  color: #6a7090;
  margin-bottom: 1.5rem;
}

nav.breadcrumbs a {
  color: #7cb8ff;
}

nav.breadcrumbs span {
  margin: 0 0.4rem;
}

footer {
  text-align: center;
  font-size: 0.82rem;
  color: #4a5070;
  padding: 2rem 1.5rem 3rem;
  border-top: 1px solid #1a2440;
  margin-top: 2rem;
}

footer a {
  color: #6a80b0;
}

.highlight {
  color: #7cb8ff;
  font-weight: 600;
}

.check {
  color: #4ade80;
}

.cross {
  color: #f87171;
}

@media (max-width: 600px) {
  .page {
    padding: 2rem 1rem 3rem;
  }

  h1 {
    font-size: 1.7rem;
  }

  h2 {
    font-size: 1.3rem;
  }

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

  pre {
    font-size: 0.78rem;
    padding: 0.8rem;
  }
}