/* ═══════════════════════════════════════════════════════════════
   LUNAR — BLOG INDEX LAYER
   Extends site-core.css. Editorial listing: Fraunces hero, a
   featured article, category filter chips, and an editorial card
   grid. Shares the visual language of blog-article.css and
   guides-checklists.css. All colors reference site-core tokens.
   ═══════════════════════════════════════════════════════════════ */

:root { --font-editorial: 'Fraunces', 'Playfair Display', Georgia, serif; }

/* ─── Hero ──────────────────────────────────────────────────── */
.blog-hero { position: relative; padding: clamp(40px, 5vw, 72px) 0 clamp(26px, 3vw, 38px); overflow: hidden; border-bottom: 1px solid var(--border-subtle); }
.blog-hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(circle at 18% 26%, rgba(66,133,244,0.11) 0%, transparent 52%),
    radial-gradient(circle at 82% 70%, rgba(34,211,238,0.06) 0%, transparent 52%),
    var(--bg-deep);
}
.blog-hero > .container { position: relative; z-index: 1; }
.blog-hero .eyebrow {
  display: inline-block; font-family: var(--font-primary);
  font-size: 11px; font-weight: 600; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--accent-cyan); margin: 16px 0 16px; padding-bottom: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.14);
}
.blog-hero h1 {
  font-family: var(--font-editorial);
  font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 600; letter-spacing: -0.02em; line-height: 1.02;
  color: var(--text-primary); margin: 0 0 16px;
}
.blog-hero h1 em { font-style: italic; font-weight: 400; background: linear-gradient(135deg, #8ab4f8 0%, #22d3ee 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.blog-hero .lede { font-family: var(--font-primary); font-size: clamp(1.02rem, 1.6vw, 1.18rem); line-height: 1.68; color: var(--text-secondary); max-width: 700px; margin: 0; }
.blog-hero .lede a { color: var(--accent-light); text-decoration: underline; text-underline-offset: 3px; }
.blog-hero .lede a:hover { color: var(--text-primary); }

/* ─── Section rhythm ────────────────────────────────────────── */
.blog-section { padding: clamp(34px, 5vw, 56px) 0; }
.blog-section.tight { padding-top: clamp(26px, 3vw, 38px); }
.blog-section-head { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; margin-bottom: 22px; }
.blog-section-head h2 { font-family: var(--font-editorial); font-size: clamp(1.4rem, 2.8vw, 2rem); font-weight: 600; letter-spacing: -0.01em; margin: 0; color: var(--text-primary); }
.blog-section-head p { color: var(--text-tertiary); font-size: 14px; margin: 0; }

/* ─── Filter chips ──────────────────────────────────────────── */
.blog-filter { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.blog-filter .chip {
  display: inline-flex; align-items: center; gap: 7px; padding: 8px 15px;
  border: 1px solid var(--border-light); border-radius: var(--radius-pill);
  color: var(--text-secondary); font-family: var(--font-primary); font-size: 13px; font-weight: 500;
  background: var(--bg-glass); cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}
.blog-filter .chip i { color: var(--accent-light); font-size: 12px; }
.blog-filter .chip:hover { color: var(--text-primary); border-color: var(--accent); }
.blog-filter .chip[aria-pressed="true"] { color: #fff; background: var(--accent); border-color: var(--accent); }
.blog-filter .chip[aria-pressed="true"] i { color: #fff; }

/* ─── Featured article ──────────────────────────────────────── */
.blog-featured { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 0; background: var(--bg-card); border: 1px solid var(--border-card); border-radius: var(--radius-lg); overflow: hidden; }
@media (max-width: 860px) { .blog-featured { grid-template-columns: 1fr; } }
.blog-featured .bf-media { position: relative; min-height: 260px; background: linear-gradient(135deg, var(--bg-card-solid) 0%, var(--bg-deep) 100%); }
.blog-featured .bf-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 860px) { .blog-featured .bf-media { min-height: 200px; position: relative; } }
.blog-featured .bf-body { padding: clamp(24px, 3.2vw, 42px); display: flex; flex-direction: column; justify-content: center; }
.blog-featured .bf-tag { display: inline-flex; align-items: center; gap: 7px; font-size: 11px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent-light); margin-bottom: 14px; }
.blog-featured h3 { font-family: var(--font-editorial); font-size: clamp(1.5rem, 2.8vw, 2.15rem); font-weight: 600; letter-spacing: -0.02em; line-height: 1.14; margin: 0 0 14px; }
.blog-featured h3 a { color: var(--text-primary); text-decoration: none; }
.blog-featured h3 a:hover { color: var(--accent-light); }
.blog-featured p { color: var(--text-secondary); font-size: 15.5px; line-height: 1.7; margin: 0 0 20px; }
.blog-featured .bf-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; margin-bottom: 22px; }
.blog-featured .bf-meta .m { display: inline-flex; align-items: center; gap: 7px; font-size: 13px; color: var(--text-tertiary); }
.blog-featured .bf-meta .m img { width: 30px; height: 30px; border-radius: 50%; object-fit: cover; border: 1.5px solid rgba(255,255,255,0.14); }
.blog-featured .bf-meta .m i { color: var(--accent-light); }

/* ─── Card grid ─────────────────────────────────────────────── */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 940px) { .blog-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .blog-grid { grid-template-columns: 1fr; } }

.post-card { display: flex; flex-direction: column; background: var(--bg-card); border: 1px solid var(--border-card); border-radius: var(--radius-md); overflow: hidden; transition: border-color var(--transition-fast), transform var(--transition-fast); }
.post-card:hover { border-color: var(--border-light); transform: translateY(-3px); }
.post-card.is-hidden { display: none; }
.post-card .pc-thumb { position: relative; height: 130px; overflow: hidden; display: grid; place-items: center; background: radial-gradient(120% 130% at 75% 15%, rgba(66,133,244,0.22) 0%, transparent 60%), linear-gradient(135deg, var(--bg-card-solid) 0%, var(--bg-deep) 100%); border-bottom: 1px solid var(--border-subtle); }
.post-card .pc-thumb i { font-size: 30px; color: var(--accent-light); opacity: 0.92; }
/* Photo thumbnails (replace the icon tiles) */
.post-card .pc-thumb.has-img { height: 168px; background: var(--bg-deep); }
.post-card .pc-thumb img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.post-card .pc-thumb.has-img::after { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(180deg, rgba(2,3,10,0.42) 0%, transparent 32%, transparent 60%, rgba(2,3,10,0.34) 100%); pointer-events: none; }
.post-card:hover .pc-thumb img { transform: scale(1.05); }
.post-card .pc-cat { position: absolute; z-index: 2; top: 12px; left: 12px; font-size: 10.5px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-secondary); background: rgba(2,3,10,0.55); border: 1px solid var(--border-light); padding: 4px 9px; border-radius: var(--radius-pill); backdrop-filter: blur(4px); }
.post-card .pc-body { padding: 18px 20px 20px; display: flex; flex-direction: column; flex: 1; }
.post-card h3 { font-family: var(--font-display); font-size: 1.12rem; font-weight: 600; letter-spacing: -0.01em; line-height: 1.3; margin: 0 0 8px; }
.post-card h3 a { color: var(--text-primary); text-decoration: none; }
.post-card h3 a:hover { color: var(--accent-light); }
.post-card p { color: var(--text-secondary); font-size: 14px; line-height: 1.6; margin: 0 0 16px; }
.post-card .pc-foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 12px; border-top: 1px solid var(--border-subtle); }
.post-card .pc-meta { font-size: 12px; color: var(--text-muted); display: inline-flex; align-items: center; gap: 6px; }
.post-card .pc-cta { font-size: 13px; font-weight: 600; color: var(--accent-light); text-decoration: none; display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.post-card .pc-cta i { transition: transform var(--transition-fast); }
.post-card:hover .pc-cta i { transform: translateX(3px); }

.blog-empty { display: none; padding: 40px 20px; text-align: center; color: var(--text-tertiary); font-size: 15px; }
.blog-empty.is-shown { display: block; }

/* ─── CTA band ──────────────────────────────────────────────── */
.blog-cta { margin: clamp(34px, 5vw, 56px) 0 0; padding: clamp(28px, 4vw, 44px); background: linear-gradient(135deg, rgba(66,133,244,0.14) 0%, rgba(34,211,238,0.06) 100%), var(--bg-card-solid); border: 1px solid var(--border-light); border-radius: var(--radius-lg); display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 22px; }
.blog-cta h2 { font-family: var(--font-editorial); font-size: clamp(1.3rem, 2.4vw, 1.7rem); font-weight: 600; letter-spacing: -0.01em; margin: 0 0 6px; color: var(--text-primary); }
.blog-cta p { color: var(--text-secondary); font-size: 15px; margin: 0; max-width: 520px; }
.blog-cta .cta-row { display: flex; gap: 12px; flex-wrap: wrap; }