/* ─── Blog header (category-aware) ──────────────── */
.blog-header {
  position: relative;
  padding: calc(var(--nav-h) + clamp(4rem, 9vh, 6.5rem)) 0 clamp(3rem, 6vw, 5rem);
  border-bottom: 1px solid var(--hairline);
  overflow: hidden;
}

.blog-header__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 720px;
}

.blog-header__label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--accent);
}

.blog-header__title {
  font-size: var(--fs-h1);
  letter-spacing: var(--tracking-tightest);
  line-height: 1;
}

.blog-header__desc {
  font-size: var(--fs-lead);
  color: var(--ink-2);
  max-width: 56ch;
  line-height: 1.5;
}

.blog-header--life   { --accent: var(--life-accent); }
.blog-header--life   .blog-header__label { color: var(--life-accent); }
.blog-header--tech   { --accent: var(--tech-accent); }
.blog-header--tech   .blog-header__label { color: var(--tech-accent); }
.blog-header--travel { --accent: var(--travel-accent); }
.blog-header--travel .blog-header__label { color: var(--travel-accent); }

/* ─── Blog grid ────────────────────────────────── */
.blog-main {
  padding: 2rem 0 var(--section-pad);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.25rem, 2.4vw, 1.75rem);
  margin-top: 2.5rem;
}

.blog-grid .blog-card--hidden { display: none; }

.blog-card--large {
  grid-column: span 2;
  flex-direction: row;
  align-items: stretch;
  gap: 2.25rem;
  padding: 2.5rem;
}

.blog-card--large .blog-card__title {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  letter-spacing: var(--tracking-tighter);
}

.blog-card--large .blog-card__excerpt { font-size: 1.02rem; }

@media (max-width: 720px) {
  .blog-grid { grid-template-columns: 1fr; }
  .blog-card--large { grid-column: 1; flex-direction: column; padding: 1.85rem; }
}

/* ─── Article (post) layout ─────────────────────── */
.post-header {
  position: relative;
  padding: calc(var(--nav-h) + clamp(3rem, 7vh, 5rem)) 0 clamp(2.5rem, 5vw, 4rem);
  border-bottom: 1px solid var(--hairline);
  overflow: hidden;
}

.post-header__back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  color: var(--ink-2);
  margin-bottom: 1.75rem;
  transition: color var(--t-1) var(--ease);
}
.post-header__back:hover { color: var(--ink-0); }
.post-header__back svg { width: 14px; height: 14px; }

.post-header__meta {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-wrap: wrap;
  margin-bottom: 1.75rem;
  font-size: 0.84rem;
  color: var(--ink-2);
}

.post-header__meta .blog-card__category { font-size: 0.7rem; }

.post-header__title {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 4.25rem);
  letter-spacing: var(--tracking-tightest);
  line-height: 1.02;
  margin-bottom: 1rem;
  max-width: 22ch;
}

.post-header__subtitle {
  font-size: var(--fs-lead);
  color: var(--ink-2);
  max-width: 60ch;
  line-height: 1.45;
}

.post-content {
  padding: clamp(3rem, 6vw, 5rem) 0 var(--section-pad);
  max-width: 680px;
  font-size: 1.13rem;
  line-height: 1.75;
  color: var(--ink-1);
  letter-spacing: -0.005em;
}

.post-content > p,
.post-content > blockquote,
.post-content > h2,
.post-content > h3,
.post-content > ul,
.post-content > ol,
.post-content > pre,
.post-content > figure {
  margin-bottom: 1.5rem;
}

.post-content > p:first-child::first-letter {
  font-family: var(--font-display);
  font-size: 3.4em;
  font-weight: 600;
  line-height: 0.9;
  float: left;
  margin: 0.05em 0.1em 0 -0.05em;
  color: var(--accent);
  letter-spacing: -0.04em;
}

.post-content h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  font-weight: 600;
  color: var(--ink-0);
  margin: 3rem 0 1rem;
  letter-spacing: var(--tracking-tighter);
  line-height: 1.15;
}

.post-content h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--ink-0);
  margin: 2.25rem 0 0.75rem;
  letter-spacing: -0.015em;
}

.post-content a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 1.2px;
  transition: color var(--t-1);
}

.post-content a:hover { color: var(--ink-0); }

.post-content blockquote {
  position: relative;
  border: none;
  margin: 2.5rem 0;
  padding: 0 0 0 1.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.4vw, 1.65rem);
  font-style: normal;
  font-weight: 500;
  letter-spacing: -0.012em;
  line-height: 1.4;
  color: var(--ink-0);
}

.post-content blockquote::before {
  content: '';
  position: absolute;
  left: 0; top: 0.4em; bottom: 0.4em;
  width: 3px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
}

.post-content code {
  background: var(--surface-2);
  padding: 0.18em 0.45em;
  border-radius: var(--r-xs);
  font-size: 0.88em;
  font-family: var(--font-mono);
  color: var(--accent);
  border: 1px solid var(--hairline);
}

.post-content pre {
  background: var(--surface-2);
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  padding: 1.5rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.6;
}

.post-content pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--ink-1);
}

.post-content ul, .post-content ol { padding-left: 1.5rem; }
.post-content ul { list-style: disc; }
.post-content ol { list-style: decimal; }
.post-content li { margin-bottom: 0.5rem; }

/* ─── Category nav (top bar) ────────────────────── */
.blog-cat-nav {
  display: flex;
  gap: 0.25rem;
  align-items: center;
}

.blog-cat-nav a {
  font-size: 0.84rem;
  color: var(--ink-2);
  padding: 0.4rem 0.85rem;
  border-radius: var(--r-pill);
  transition: color var(--t-1) var(--ease), background var(--t-1) var(--ease);
}

.blog-cat-nav a:hover { color: var(--ink-0); background: var(--surface-elev); }
.blog-cat-nav a.active {
  color: var(--ink-0);
  background: var(--surface-elev);
  font-weight: 500;
}

/* ─── Empty / loader states ─────────────────────── */
.blog-empty,
.medium-loader {
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem 0;
  color: var(--ink-3);
  font-size: 0.92rem;
}

.blog-empty { display: none; }
.blog-empty.visible { display: block; }
.medium-loader.blog-card--hidden { display: none; }

@media (max-width: 720px) {
  .blog-cat-nav { display: none; }
}