/* booleanhearts.ru — Blog Styles */

.blog-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.25rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(7,7,15,.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.blog-nav-logo {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--text-bright);
}
.blog-nav-logo span { color: var(--cyan); }

.blog-nav-back {
  font-size: .8rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .1em;
  display: flex;
  align-items: center;
  gap: .4rem;
  transition: color var(--transition);
}
.blog-nav-back:hover { color: var(--cyan); }

/* ── Blog Index ─────────────────────────────────────────── */
.blog-hero {
  padding: 9rem 2rem 4rem;
  text-align: center;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.blog-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 50% 50%, rgba(123,47,255,.12) 0%, transparent 60%);
}

.blog-hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: .75rem;
  position: relative;
}

.blog-hero p {
  color: var(--text-muted);
  font-size: 1.1rem;
  position: relative;
}

.blog-index-main {
  max-width: 900px;
  margin: 0 auto;
  padding: 4rem 2rem 6rem;
}

.blog-year-group { margin-bottom: 3.5rem; }

.blog-year-label {
  font-family: var(--font-mono);
  font-size: .75rem;
  color: var(--purple);
  letter-spacing: .2em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
  padding-bottom: .75rem;
  border-bottom: 1px solid var(--border);
  display: block;
}

.blog-list { display: flex; flex-direction: column; gap: .5rem; }

.blog-list-item {
  display: grid;
  grid-template-columns: 110px 1fr auto;
  gap: 1.5rem;
  align-items: center;
  padding: .9rem 1.25rem;
  border-radius: 8px;
  border: 1px solid transparent;
  transition: all var(--transition);
  text-decoration: none;
  color: inherit;
}

.blog-list-item:hover {
  background: var(--bg2);
  border-color: var(--border);
  color: var(--text-bright);
}

.blog-list-date {
  font-family: var(--font-mono);
  font-size: .75rem;
  color: var(--text-muted);
}

.blog-list-title {
  font-family: var(--font-head);
  font-size: .95rem;
  font-weight: 500;
  color: var(--text);
  transition: color var(--transition);
}

.blog-list-item:hover .blog-list-title { color: var(--text-bright); }

.blog-list-cat {
  font-size: .7rem;
  font-family: var(--font-mono);
  color: var(--purple);
  text-transform: uppercase;
  letter-spacing: .08em;
  white-space: nowrap;
}

/* ── Article ────────────────────────────────────────────── */
.article-wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 7rem 2rem 6rem;
}

.article-header { margin-bottom: 3rem; }

.article-cats {
  display: flex;
  gap: .75rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.article-cat {
  font-size: .7rem;
  font-family: var(--font-mono);
  color: var(--purple);
  text-transform: uppercase;
  letter-spacing: .15em;
}

.article-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--text-bright);
}

.article-meta {
  font-size: .8rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.article-meta::before {
  content: '';
  display: block;
  width: 32px; height: 1px;
  background: var(--border);
}

.article-divider {
  width: 100%;
  height: 1px;
  background: var(--border);
  margin: 2rem 0;
}

.article-body {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--text);
}

.article-body p { margin-bottom: 1.5rem; }

.article-body h2 {
  font-size: 1.35rem;
  margin: 2.5rem 0 1rem;
  color: var(--text-bright);
}

.article-body h3 {
  font-size: 1.1rem;
  margin: 2rem 0 .75rem;
  color: var(--text-bright);
}

.article-body blockquote {
  border-left: 2px solid var(--purple);
  padding: .75rem 1.5rem;
  margin: 2rem 0;
  color: var(--text-muted);
  font-style: italic;
  background: var(--bg2);
  border-radius: 0 8px 8px 0;
}

.article-body code {
  font-family: var(--font-mono);
  font-size: .85em;
  background: var(--bg2);
  padding: .1em .4em;
  border-radius: 4px;
  color: var(--cyan);
}

.article-body a {
  color: var(--cyan);
  border-bottom: 1px solid rgba(0,255,204,.3);
}
.article-body a:hover { color: var(--purple); border-color: rgba(123,47,255,.3); }

.article-footer {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: gap;
  gap: 1rem;
}

.article-nav-link {
  font-size: .8rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .1em;
  transition: color var(--transition);
}
.article-nav-link:hover { color: var(--cyan); }

@media (max-width: 600px) {
  .blog-list-item { grid-template-columns: 80px 1fr; }
  .blog-list-cat { display: none; }
  .article-wrap { padding: 6rem 1.25rem 4rem; }
}