@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600&display=swap');

:root {
  --bg: #05060a;
  --panel: #0f1118;
  --text: #f4f6fb;
  --muted: #9aa1b5;
  --accent: #4bd9d1;
  --accent-strong: #ff6b6b;
}

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

body {
  margin: 0;
  font-family: 'Space Grotesk', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: radial-gradient(circle at top, rgba(75, 217, 209, 0.15), transparent 45%), var(--bg);
  color: var(--text);
  line-height: 1.7;
}

.layout {
  max-width: 1200px;
  margin: 0 auto;
  padding: 64px 24px 120px;
}

header {
  text-align: center;
  margin-bottom: 64px;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  margin-bottom: 16px;
}

p.lead {
  max-width: 800px;
  margin: 0 auto;
  color: var(--muted);
  font-size: 1.1rem;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 72px;
}

/* Articles Layout */
.articles-header {
  margin-bottom: 3rem;
  text-align: center;
}

.category-section {
  margin-bottom: 4rem;
}

.category-section h3 {
  font-size: 1.5rem;
  color: var(--accent);
  border-bottom: 1px solid rgba(255,255,255,0.1);
  padding-bottom: 0.5rem;
  margin-bottom: 1.5rem;
}

.article-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
  list-style: none;
  padding: 0;
}

.article-list li a {
  display: block;
  padding: 0.75rem;
  background: rgba(255,255,255,0.03);
  border-radius: 8px;
  text-decoration: none;
  font-size: 0.95rem;
  transition: all 0.2s ease;
}

.article-list li a:hover {
  background: rgba(255,255,255,0.08);
  color: var(--accent);
  transform: translateX(5px);
}

.article-card {
  padding: 20px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: transform 250ms ease, border-color 250ms ease;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}

.article-card:hover {
  transform: translateY(-4px);
  border-color: rgba(75, 217, 209, 0.6);
}

.article-card span {
  color: var(--accent);
  font-size: 0.9rem;
  letter-spacing: 0.08em;
}

.article-card h3 {
  margin: 12px 0 6px;
  font-size: 1.15rem;
}

.article-card p {
  color: var(--muted);
  font-size: 0.95rem;
  margin: 0;
}

section.article {
  margin-bottom: 80px;
  padding: 40px;
  border-radius: 24px;
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.35);
}

section.article h2 {
  margin-top: 0;
  font-size: 2rem;
}

.article.digest {
  background: linear-gradient(135deg, rgba(75, 217, 209, 0.08), rgba(255, 255, 255, 0.02));
}

.meta {
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  font-size: 0.85rem;
  margin-bottom: 18px;
}

.note {
  border-left: 3px solid var(--accent);
  padding-left: 16px;
  color: var(--muted);
  font-size: 0.95rem;
}

.back-link {
  margin-bottom: 24px;
  font-size: 0.95rem;
}

.back-link a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}

.back-link a:hover {
  color: var(--accent-strong);
}

.seo-section {
  margin-top: 40px;
  padding: 32px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.seo-section h3 {
  margin-top: 0;
  font-size: 1.4rem;
}

.seo-section p {
  color: var(--muted);
  margin-bottom: 18px;
}

.seo-keywords {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  padding: 0;
  margin: 24px 0;
}

.seo-keywords li {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  padding: 10px 14px;
  font-size: 0.9rem;
}

.keyword-cloud {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.6;
  padding: 14px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px dashed rgba(75, 217, 209, 0.5);
}

footer {
  text-align: center;
  margin-top: 80px;
  color: var(--muted);
  font-size: 0.9rem;
}

.wormgpt-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0 32px;
  padding: 16px;
  background: linear-gradient(135deg, rgba(255, 107, 107, 0.1), rgba(75, 217, 209, 0.1));
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.wormgpt-nav a {
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  color: var(--accent);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.wormgpt-nav a:hover {
  background: rgba(255, 107, 107, 0.2);
  border-color: var(--accent-strong);
  color: var(--accent-strong);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(255, 107, 107, 0.3);
}

@media (max-width: 720px) {
  section.article {
    padding: 28px;
  }
  
  .wormgpt-nav {
    gap: 8px;
    padding: 12px;
  }
  
  .wormgpt-nav a {
    padding: 6px 12px;
    font-size: 0.8rem;
  }
}