/* ==========================================================================
   Zim Zam Labs — Page CSS: BLOG
   Adds: blog-grid, blog-card, blog-post layout
   Reuses: science-hero, chapter, capture
   ========================================================================== */

/* ==========================================================================
   BLOG GRID — index page
   ========================================================================== */
.blog-grid {
  background: var(--cream-100);
  position: relative;
}
.blog-grid__wrap {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2xl);
}
@media (max-width: 980px) {
  .blog-grid__wrap { grid-template-columns: repeat(2, 1fr); gap: var(--space-xl); }
}
@media (max-width: 640px) {
  .blog-grid__wrap { grid-template-columns: 1fr; gap: var(--space-lg); }
}

.blog-card {
  position: relative;
  background: var(--cream-50);
  border: 1px solid var(--cream-400);
  transition: all var(--t) var(--ease-out);
}
.blog-card:hover {
  border-color: var(--gold-600);
  transform: translateY(-3px);
  box-shadow: var(--shadow-mid);
}
.blog-card__link {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.blog-card__image {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--cream-200);
}
.blog-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.85) contrast(1.05);
  transition: transform 0.6s var(--ease-out);
}
.blog-card:hover .blog-card__image img { transform: scale(1.04); }

.blog-card__image-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--space-md);
  background: linear-gradient(180deg, rgba(7, 9, 14, 0.4) 0%, transparent 40%, rgba(7, 9, 14, 0.5) 100%);
  pointer-events: none;
}
.blog-card__pillar {
  align-self: flex-start;
  padding: 0.4rem 0.625rem;
  background: rgba(7, 9, 14, 0.85);
  border: 1px solid var(--gold-500);
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-400);
}
.blog-card__icon {
  align-self: flex-end;
  font-family: var(--font-italic);
  font-style: italic;
  font-size: 4rem;
  line-height: 1;
  color: rgba(233, 196, 106, 0.5);
  font-variation-settings: "opsz" 144, "WONK" 1;
}

.blog-card__body {
  padding: var(--space-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.blog-card__tag {
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold-700);
}
.blog-card__title {
  font-family: var(--font-display);
  font-size: var(--text-h3);
  line-height: 1.05;
  letter-spacing: -0.025em;
  color: var(--ink-900);
  font-variation-settings: "opsz" 144, "SOFT" 30, "WONK" 1;
  text-wrap: balance;
}
.blog-card__title em {
  font-family: var(--font-italic);
  font-style: italic;
  color: var(--gold-600);
}
.blog-card__excerpt {
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: var(--lh-body);
  color: var(--text-on-cream-muted);
  flex: 1;
}
.blog-card__meta {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-on-cream-subtle);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--cream-400);
  margin-top: var(--space-sm);
}
.blog-card__sep { color: var(--gold-600); }

/* ==========================================================================
   BLOG POST — long-form article layout
   ========================================================================== */
.blog-post-hero {
  position: relative;
  background: var(--ink-800);
  color: var(--text-on-dark);
  overflow: hidden;
  padding-top: clamp(7rem, 5rem + 6vw, 10rem);
  padding-bottom: clamp(3rem, 2rem + 4vw, 5rem);
  text-align: center;
}
.blog-post-hero__inner {
  position: relative;
  z-index: 2;
  max-width: 880px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.blog-post-hero__top {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--ink-line);
  margin-bottom: var(--space-xl);
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold-400);
}
.blog-post-hero__title {
  font-family: var(--font-display);
  font-size: var(--text-mega);
  line-height: 0.96;
  letter-spacing: -0.04em;
  color: var(--cream-50);
  margin-bottom: var(--space-lg);
  font-variation-settings: "opsz" 144, "SOFT" 50, "WONK" 1;
  text-wrap: balance;
}
.blog-post-hero__title em {
  font-family: var(--font-italic);
  font-style: italic;
  color: var(--gold-400);
}
.blog-post-hero__lead {
  font-family: var(--font-italic);
  font-style: italic;
  font-size: var(--text-lead);
  line-height: 1.5;
  color: var(--text-on-dark-muted);
  max-width: 56ch;
  margin-inline: auto;
  margin-bottom: var(--space-xl);
}
.blog-post-hero__meta {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
  padding-top: var(--space-md);
  border-top: 1px solid var(--ink-line);
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-on-dark-subtle);
}
.blog-post-hero__meta-sep { color: var(--gold-500); }

/* Long-form article body */
.blog-post {
  background: var(--cream-100);
  padding-block: var(--space-section);
}
.blog-post__inner {
  max-width: 720px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.blog-post h2 {
  font-family: var(--font-display);
  font-size: var(--text-h2);
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--ink-900);
  font-variation-settings: "opsz" 144, "SOFT" 40, "WONK" 1;
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--cream-400);
  text-wrap: balance;
}
.blog-post h2:first-child { border-top: none; padding-top: 0; margin-top: 0; }
.blog-post h2 em {
  font-family: var(--font-italic);
  font-style: italic;
  color: var(--gold-600);
}
.blog-post h3 {
  font-family: var(--font-display);
  font-size: var(--text-h4);
  color: var(--ink-900);
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
  font-variation-settings: "opsz" 48, "SOFT" 20;
}
.blog-post p {
  font-family: var(--font-body);
  font-size: var(--text-body-lg);
  line-height: var(--lh-prose);
  color: var(--text-on-cream-muted);
  margin-bottom: var(--space-md);
}
.blog-post p:first-of-type::first-letter {
  font-family: var(--font-display);
  float: left;
  font-size: 5em;
  line-height: 0.82;
  padding-right: 0.08em;
  padding-top: 0.06em;
  color: var(--gold-600);
  font-variation-settings: "opsz" 144, "SOFT" 30, "WONK" 1;
  font-weight: 500;
}
.blog-post p strong {
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--ink-900);
  font-variation-settings: "opsz" 48, "SOFT" 20;
}
.blog-post blockquote {
  margin: var(--space-xl) 0;
  padding: var(--space-md) var(--space-lg);
  border-left: 3px solid var(--gold-600);
  background: rgba(184, 135, 68, 0.06);
  font-family: var(--font-italic);
  font-style: italic;
  font-size: var(--text-lead);
  line-height: 1.45;
  color: var(--ink-900);
}
.blog-post blockquote cite {
  display: block;
  margin-top: var(--space-sm);
  font-family: var(--font-body);
  font-style: normal;
  font-size: var(--text-label);
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-700);
}
.blog-post ul, .blog-post ol {
  list-style: disc;
  padding-left: 1.5em;
  margin-bottom: var(--space-md);
}
.blog-post ol { list-style: decimal; }
.blog-post li {
  font-family: var(--font-body);
  font-size: var(--text-body-lg);
  line-height: 1.55;
  color: var(--text-on-cream-muted);
  margin-bottom: 0.5rem;
}
.blog-post a {
  color: var(--gold-700);
  border-bottom: 1px solid currentColor;
  transition: color var(--t-fast) var(--ease-out);
}
.blog-post a:hover { color: var(--ink-900); }

/* ==========================================================================
   MOBILE
   ========================================================================== */
@media (max-width: 640px) {
  .blog-card__image { aspect-ratio: 16/10; }
  .blog-card__icon { font-size: 3rem; }
  .blog-card__body { padding: var(--space-md); }
  .blog-card__title { font-size: 1.375rem; }
  .blog-card__excerpt { font-size: 0.9375rem; }
  .blog-card__tag { font-size: 0.5625rem; }
  .blog-card__meta { font-size: 0.5625rem; }

  .blog-post-hero {
    padding-top: clamp(5rem, 3.5rem + 6vw, 7rem);
    padding-bottom: clamp(2.5rem, 1.5rem + 4vw, 4rem);
  }
  .blog-post-hero__top { font-size: 0.5625rem; padding: 0.4rem 0.75rem; margin-bottom: var(--space-md); }
  .blog-post-hero__title {
    font-size: clamp(2.25rem, 1.7rem + 5vw, 3.5rem);
    margin-bottom: var(--space-md);
  }
  .blog-post-hero__lead { font-size: 1rem; margin-bottom: var(--space-md); }
  .blog-post-hero__meta { font-size: 0.5625rem; padding-top: var(--space-sm); }

  .blog-post { padding-block: clamp(2.5rem, 1.5rem + 5vw, 4.5rem); }
  .blog-post h2 { font-size: clamp(1.625rem, 1.3rem + 2vw, 2.25rem); margin-top: var(--space-xl); }
  .blog-post p { font-size: 1rem; }
  .blog-post p:first-of-type::first-letter { font-size: 4em; }
  .blog-post blockquote { padding: var(--space-sm) var(--space-md); font-size: 1.0625rem; }
  .blog-post li { font-size: 1rem; }
}