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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: #333;
  background-color: #f8f9fa;
  background-image:
    linear-gradient(rgba(0, 0, 0, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.018) 1px, transparent 1px),
    radial-gradient(circle, rgba(0, 0, 0, 0.025) 1px, transparent 1px);
  background-size:
    40px 40px,
    40px 40px,
    20px 20px;
  background-position:
    -1px -1px,
    -1px -1px,
    0 0;
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse at 15% 20%, rgba(99, 102, 241, 0.04) 0%, transparent 50%),
    radial-gradient(ellipse at 85% 80%, rgba(16, 185, 129, 0.035) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(139, 92, 246, 0.02) 0%, transparent 60%);
  pointer-events: none;
  z-index: -1;
}

.container {
  max-width: 640px;
  margin: 0 auto;
  padding: 80px 24px 60px;
  position: relative;
}

h1 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 0.5em;
  color: #111;
  letter-spacing: -0.02em;
}

h1 .accent {
  color: #6366f1;
}

h2 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-top: 2em;
  margin-bottom: 0.5em;
  color: #111;
}

p {
  margin-bottom: 1em;
  color: #555;
}

a {
  color: #6366f1;
  text-decoration: underline;
  text-decoration-color: rgba(99, 102, 241, 0.3);
  text-underline-offset: 2px;
  transition: text-decoration-color 0.2s;
}

a:hover {
  text-decoration-color: rgba(99, 102, 241, 0.8);
  color: #4f46e5;
}

ul {
  margin-bottom: 1em;
  padding-left: 1.4em;
  color: #555;
}

li {
  margin-bottom: 0.4em;
}

li::marker {
  color: #a5b4fc;
}

.site-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #111;
  text-decoration: none;
  letter-spacing: -0.02em;
}

.site-title:hover {
  color: #6366f1;
  text-decoration: none;
}

.hero-mark {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #6366f1;
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.15);
  border-radius: 4px;
  padding: 3px 10px;
  margin-bottom: 1.2em;
}

.tagline {
  font-family: "SF Mono", "Fira Code", "Fira Mono", "Roboto Mono", monospace;
  font-size: 0.8rem;
  color: #94a3b8;
  margin-bottom: 2em;
  letter-spacing: 0.02em;
}

.tagline .cursor {
  display: inline-block;
  width: 2px;
  height: 1em;
  background: #6366f1;
  margin-left: 2px;
  vertical-align: text-bottom;
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

footer {
  margin-top: 4em;
  padding-top: 1.5em;
  border-top: 1px solid #e2e8f0;
  font-size: 0.85rem;
  color: #94a3b8;
}

footer a {
  color: #94a3b8;
  text-decoration: none;
}

footer a:hover {
  color: #6366f1;
}

.meta {
  font-size: 0.85rem;
  color: #94a3b8;
  margin-bottom: 2em;
}