/* ═══════════════════════════════════════════════════════
   BOOK BLOG TEMPLATE — shared stylesheet
   ═══════════════════════════════════════════════════════ */

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

:root {
  --ink:        #1a1a2e;
  --ink-soft:   #4a4a6a;
  --page:       #faf9f6;
  --page-card:  #ffffff;
  --accent:     #c0392b;
  --accent-lt:  #fadbd8;
  --border:     #e8e2d9;
  --shadow:     0 4px 24px rgba(0,0,0,0.08);
  --radius:     10px;
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans:  'Lato', system-ui, sans-serif;
}

/* ── BASE ──────────────────────────────────────────────── */
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--page);
  color: var(--ink);
  line-height: 1.8;
  font-size: 1rem;
}

/* ── NAV BAR ───────────────────────────────────────────── */
.blog-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--ink);
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.3);
}
.blog-nav-back {
  color: #ccc;
  text-decoration: none;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s;
}
.blog-nav-back:hover { color: #fff; }
.blog-nav-back span { font-size: 1rem; }
.blog-nav-logo {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: #888;
  letter-spacing: 0.12em;
}

/* ── HERO ──────────────────────────────────────────────── */
.blog-hero {
  background: linear-gradient(135deg, var(--ink) 0%, #2c3e50 100%);
  color: #fff;
  padding: 72px 2rem 56px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.blog-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}
.blog-hero-inner { position: relative; z-index: 1; max-width: 720px; margin: 0 auto; }
.blog-category {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-size: 0.68rem;
  font-family: var(--font-sans);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 20px;
}
.blog-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
  color: #fff;
}
.blog-subtitle {
  font-size: 1rem;
  color: rgba(255,255,255,0.7);
  font-style: italic;
  margin-bottom: 28px;
}
.blog-meta {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.06em;
}
.blog-meta span { display: flex; align-items: center; gap: 5px; }

/* ── CONTENT WRAPPER ───────────────────────────────────── */
.blog-body {
  max-width: 740px;
  margin: 0 auto;
  padding: 56px 2rem 80px;
}

/* ── INFO CARD ─────────────────────────────────────────── */
.book-info-card {
  background: var(--page-card);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  padding: 24px 28px;
  margin-bottom: 40px;
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px 24px;
}
.info-item { display: flex; flex-direction: column; gap: 3px; }
.info-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  font-family: var(--font-sans);
  font-weight: 700;
}
.info-value {
  font-size: 0.9rem;
  color: var(--ink);
  font-family: var(--font-serif);
}

/* ── ARTICLE TYPOGRAPHY ────────────────────────────────── */
.blog-article h2 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--ink);
  margin: 40px 0 14px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--accent-lt);
}
.blog-article h2:first-child { margin-top: 0; }
.blog-article p {
  margin-bottom: 20px;
  color: var(--ink-soft);
  font-size: 1.02rem;
}
.blog-article blockquote {
  margin: 32px 0;
  padding: 20px 24px;
  background: var(--accent-lt);
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--ink);
  line-height: 1.75;
}
.blog-article blockquote cite {
  display: block;
  margin-top: 10px;
  font-size: 0.8rem;
  font-style: normal;
  color: var(--ink-soft);
  letter-spacing: 0.05em;
}

/* ── TAGS ──────────────────────────────────────────────── */
.blog-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 36px 0 0;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.blog-tag {
  font-size: 0.74rem;
  color: var(--ink-soft);
  background: var(--page);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 4px 12px;
  letter-spacing: 0.06em;
}

/* ── FOOTER ────────────────────────────────────────────── */
.blog-footer {
  background: var(--ink);
  color: rgba(255,255,255,0.5);
  text-align: center;
  padding: 28px 2rem;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
}
.blog-footer a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  transition: color 0.2s;
}
.blog-footer a:hover { color: #fff; }

/* ── RESPONSIVE ────────────────────────────────────────── */
@media (max-width: 600px) {
  .blog-hero   { padding: 48px 1.2rem 40px; }
  .blog-body   { padding: 36px 1.2rem 60px; }
  .blog-nav    { padding: 0 1.2rem; }
  .book-info-card { grid-template-columns: 1fr 1fr; }
}