/* Claude Craft — Main Stylesheet */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0a0a0a;
  --bg-card: #141414;
  --bg-card-hover: #1a1a1a;
  --text: #e8e8e8;
  --text-dim: #888;
  --text-dimmer: #555;
  --accent: #6d9fff;
  --accent-glow: rgba(109, 159, 255, 0.15);
  --gold: #c9a84c;
  --gold-dim: rgba(201, 168, 76, 0.15);
  --green: #4ade80;
  --border: #222;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
  --max-w: 1100px;
  --radius: 8px;
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Layout */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 2rem; }
.section { padding: 6rem 0; }
.section + .section { border-top: 1px solid var(--border); }

/* Nav */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
}
nav .container {
  display: flex; align-items: center; justify-content: space-between;
}
.nav-brand {
  font-family: var(--font-serif);
  font-size: 1.3rem; font-weight: 700; color: var(--text);
  text-decoration: none;
}
.nav-brand span { color: var(--accent); }
.nav-links { display: flex; gap: 2rem; align-items: center; }
.nav-links a:not(.btn-primary) { color: var(--text-dim); font-size: 0.9rem; text-decoration: none; }
.nav-links a:not(.btn-primary):hover { color: var(--text); }

/* Hero */
.hero {
  padding: 10rem 0 6rem;
  text-align: left;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.8rem; color: var(--green); text-transform: uppercase;
  letter-spacing: 0.1em; margin-bottom: 2rem;
}
.hero-badge::before {
  content: ''; width: 8px; height: 8px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
}
.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 400; line-height: 1.2;
  margin-bottom: 1.5rem;
}
.hero h1 em {
  font-style: italic; color: var(--gold);
}
.hero .subtitle {
  font-size: 1.15rem; color: var(--text-dim);
  max-width: 640px; line-height: 1.8;
  margin-bottom: 2.5rem;
}
.stat-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 100px; padding: 0.6rem 1.2rem;
  font-size: 0.9rem; color: var(--text-dim);
}
.stat-badge strong { color: var(--accent); }

/* Section headers */
.section-label {
  font-size: 0.75rem; text-transform: uppercase;
  letter-spacing: 0.15em; color: var(--gold);
  margin-bottom: 2rem;
}
.section h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 400; margin-bottom: 1rem;
}
.section .lead {
  color: var(--text-dim); font-size: 1.05rem;
  max-width: 600px; margin-bottom: 3rem;
}

/* Cards grid */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: border-color 0.2s, background 0.2s;
}
.card:hover {
  border-color: #333;
  background: var(--bg-card-hover);
}
.card-num {
  font-size: 0.75rem; color: var(--gold);
  margin-bottom: 1rem;
}
.card h3 {
  font-size: 1.15rem; font-weight: 600;
  margin-bottom: 0.75rem;
}
.card p {
  color: var(--text-dim); font-size: 0.9rem;
  line-height: 1.7;
}

/* What's inside list */
.contents-list {
  list-style: none; max-width: 640px;
}
.contents-list li {
  display: flex; align-items: baseline; gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 0.95rem;
}
.contents-list li::before {
  content: '→'; color: var(--gold); flex-shrink: 0;
}

/* CTA */
.cta-block { text-align: center; padding: 5rem 0; }
.cta-block h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 400; margin-bottom: 1rem;
}
.cta-block p {
  color: var(--text-dim); margin-bottom: 2rem;
  font-size: 1rem;
}
.btn-primary {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: var(--gold); color: #0a0a0a;
  font-weight: 600; font-size: 1rem;
  padding: 1rem 2.5rem;
  border-radius: var(--radius);
  text-decoration: none;
  transition: opacity 0.2s;
}
.btn-primary:hover { opacity: 0.9; text-decoration: none; }

.price-tag {
  font-family: var(--font-serif);
  font-size: 2.5rem; font-weight: 400;
  margin-bottom: 1.5rem;
}

/* About section two-col */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}
.two-col p { color: var(--text-dim); font-size: 0.95rem; line-height: 1.8; }

/* Divider */
.divider {
  width: 60px; height: 2px; background: var(--border);
  margin: 4rem auto;
}

/* Footer */
footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
}
footer .container {
  display: flex; justify-content: space-between; align-items: center;
}
footer span { color: var(--text-dimmer); font-size: 0.85rem; }
footer a { color: var(--text-dim); font-size: 0.85rem; }

/* Blog list */
.blog-list { list-style: none; }
.blog-list li { padding: 1.5rem 0; border-bottom: 1px solid var(--border); }
.blog-list a { font-size: 1.1rem; }
.blog-list .meta { font-size: 0.8rem; color: var(--text-dimmer); margin-top: 0.3rem; }

/* Blog article */
.article { max-width: 720px; }
.article h1 { font-family: var(--font-serif); font-size: 2.2rem; margin-bottom: 0.5rem; }
.article .meta { color: var(--text-dimmer); font-size: 0.85rem; margin-bottom: 3rem; }
.article h2 { font-size: 1.4rem; margin: 2.5rem 0 1rem; }
.article h3 { font-size: 1.1rem; margin: 2rem 0 0.75rem; }
.article p { color: var(--text-dim); margin-bottom: 1.5rem; }
.article code {
  background: var(--bg-card); padding: 0.15rem 0.4rem;
  border-radius: 3px; font-size: 0.88rem;
}
.article pre {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.5rem;
  overflow-x: auto; margin-bottom: 1.5rem;
}
.article pre code { background: none; padding: 0; }
.article ul, .article ol { color: var(--text-dim); margin-bottom: 1.5rem; padding-left: 1.5rem; }
.article li { margin-bottom: 0.5rem; }
.article blockquote {
  border-left: 3px solid var(--gold);
  padding-left: 1.5rem; margin: 2rem 0;
  color: var(--text-dim); font-style: italic;
}

/* Responsive */
@media (max-width: 768px) {
  .two-col { grid-template-columns: 1fr; gap: 2rem; }
  .hero { padding: 8rem 0 4rem; }
  .nav-links { gap: 1rem; }
  .section { padding: 4rem 0; }
  footer .container { flex-direction: column; gap: 0.5rem; }
}