/* Smirnov AI — Лаборатория (блог). Общие стили для листинга и статей. */

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

:root {
  --bg: #FAFAF9;
  --text: #1C1917;
  --muted: #78716C;
  --border: #E7E5E4;
  --accent: #DC2626;
  --surface: #F5F0EB;
  --nav-h: 72px;
}

html { scroll-behavior: smooth; overflow-x: clip; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

/* ─── NAV ─── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 64px;
  background: rgba(250,250,249,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}
.logo {
  font-family: 'Cormorant Garamond', serif;
  font-size: 18px;
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--text);
  text-decoration: none;
}
.logo span { font-style: italic; color: var(--accent); }
.nav-links { display: flex; gap: 40px; list-style: none; }
.nav-links a {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }
.nav-cta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--text);
  border: none;
  padding: 11px 22px;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s;
}
.nav-cta:hover { background: var(--accent); }

/* ─── СЕКЦИИ ─── */
.section { padding: 96px 64px; border-bottom: 1px solid var(--border); }
.section-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 48px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.section-label::after { content: ''; flex: 1; max-width: 48px; height: 1px; background: var(--accent); }

/* ─── ЛИСТИНГ БЛОГА ─── */
.blog-hero { padding: calc(var(--nav-h) + 64px) 64px 64px; max-width: 720px; }
.blog-hero-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}
.blog-hero h1 {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 20px;
}
.blog-hero h1 em { font-style: italic; color: var(--accent); }
.blog-hero p { font-size: 16px; color: var(--muted); line-height: 1.7; max-width: 520px; }

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
}
.blog-card {
  background: var(--bg);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  text-decoration: none;
  color: inherit;
  transition: background 0.2s;
}
.blog-card:hover { background: var(--surface); }
.blog-card-top { display: flex; justify-content: space-between; align-items: center; }
.blog-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}
.blog-date { font-family: 'JetBrains Mono', monospace; font-size: 9px; letter-spacing: 0.08em; color: var(--muted); }
.blog-card-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 22px;
  font-weight: 400;
  line-height: 1.25;
  flex: 1;
}
.blog-card-title em { font-style: italic; }
.blog-card-excerpt { font-size: 14px; color: var(--muted); line-height: 1.65; }
.blog-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border);
  padding-top: 16px;
  margin-top: auto;
}
.blog-read {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text);
}
.blog-card:hover .blog-read { color: var(--accent); }
.blog-read-time { font-family: 'JetBrains Mono', monospace; font-size: 9px; color: var(--muted); letter-spacing: 0.06em; }
.blog-soon { font-family: 'JetBrains Mono', monospace; font-size: 9px; color: var(--muted); letter-spacing: 0.06em; font-style: italic; }

/* ─── СТАТЬЯ ─── */
.article-header { padding: calc(var(--nav-h) + 64px) 64px 48px; max-width: 720px; margin: 0 auto; }
.article-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  margin-bottom: 32px;
}
.article-back:hover { color: var(--accent); }
.article-meta { display: flex; align-items: center; gap: 16px; margin-bottom: 24px; }
.article-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}
.article-date, .article-read-time { font-family: 'JetBrains Mono', monospace; font-size: 10px; color: var(--muted); letter-spacing: 0.06em; }
.article-header h1 {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.15;
}
.article-header h1 em { font-style: italic; color: var(--accent); }

.article-body { max-width: 720px; margin: 0 auto; padding: 0 64px 96px; }
.article-body p { font-size: 17px; line-height: 1.8; color: var(--text); margin-bottom: 24px; }
.article-body p.lead { font-size: 20px; color: var(--muted); line-height: 1.6; margin-bottom: 40px; }
.article-body h2 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 28px;
  font-weight: 400;
  letter-spacing: -0.01em;
  margin: 48px 0 20px;
}
.article-body h2 em { font-style: italic; }
.article-body strong { font-weight: 600; }
.article-body ul, .article-body ol { margin: 0 0 24px 20px; }
.article-body li { font-size: 17px; line-height: 1.8; margin-bottom: 10px; }
.article-body blockquote {
  border-left: 2px solid var(--accent);
  padding-left: 24px;
  margin: 32px 0;
  font-family: 'Cormorant Garamond', serif;
  font-size: 22px;
  font-style: italic;
  color: var(--text);
  line-height: 1.5;
}
.article-body code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  background: var(--surface);
  padding: 2px 6px;
  border-radius: 3px;
}
.article-body pre {
  background: #1C1917;
  color: #FAFAF9;
  padding: 20px 24px;
  border-radius: 6px;
  overflow-x: auto;
  margin: 32px 0;
}
.article-body pre code { background: none; padding: 0; color: inherit; }
.article-cta {
  border-top: 1px solid var(--border);
  margin-top: 56px;
  padding-top: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.article-cta p { font-size: 15px; color: var(--muted); max-width: 380px; }
.btn-primary {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--text);
  border: none;
  padding: 15px 28px;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.2s;
}
.btn-primary:hover { background: var(--accent); }

/* ─── FOOTER ─── */
footer {
  padding: 32px 64px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--muted);
}
.footer-links { display: flex; gap: 24px; }
.footer-links a { color: var(--muted); text-decoration: none; }
.footer-links a:hover { color: var(--accent); }

/* ─── АДАПТИВ ─── */
@media (max-width: 900px) {
  nav { padding: 0 24px; }
  .nav-links { display: none; }
  .section { padding: 64px 24px; }
  .blog-hero { padding: calc(var(--nav-h) + 40px) 24px 40px; }
  .blog-grid { grid-template-columns: 1fr; }
  .blog-card { padding: 28px 20px; }
  .article-header { padding: calc(var(--nav-h) + 40px) 24px 40px; }
  .article-body { padding: 0 24px 64px; }
  footer { padding: 24px; flex-direction: column; gap: 16px; }
}