/* ==========================================================================
   /blog — Notes from the studio (index page)
   Featured article hero + sticky tag filter + 3-column card grid.
   Class names are scoped with the `blog-` prefix so this file can ship
   alongside (and not collide with) blog-article.css.
   ========================================================================== */

/* ---------- FEATURED ARTICLE HERO --------------------------------------- */

.blog-featured {
  position: relative;
  max-width: var(--max-w);
  margin: 0 auto;
  /* Top padding clears the fixed site-header */
  padding: clamp(96px, 11vw, 140px) var(--gutter) 0;
}

.blog-featured__lead {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold-mid);
  margin-bottom: 24px;
  border-bottom: 1px solid var(--gold-faint);
  padding-bottom: 6px;
}

.blog-featured__inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(28px, 4vw, 60px);
  align-items: center;
}

.blog-featured__media {
  position: relative;
  display: block;
  aspect-ratio: 4/3;
  overflow: hidden;
  border: 1px solid var(--gold-line);
  background: var(--bg-warm);
  transition: border-color 350ms var(--ease-cinema);
}

.blog-featured__media:hover { border-color: var(--gold-primary); }

.blog-featured__image {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-color: var(--bg-warm);
  transition: transform 800ms var(--ease-cinema);
}

.blog-featured__media:hover .blog-featured__image { transform: scale(1.04); }

/* Bottom dark gradient on the media for legibility (matches reference) */
.blog-featured__media::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(180deg,
              rgba(0, 0, 0, 0.10) 0%,
              rgba(0, 0, 0, 0) 50%,
              rgba(0, 0, 0, 0.7) 100%);
}

/* Empty-state placeholder if no heroImage in data */
.blog-featured__image.is-empty {
  background:
    linear-gradient(135deg, rgba(184, 134, 11, 0.12), rgba(13, 13, 13, 0.4)),
    var(--bg-warm);
}

.blog-featured__copy {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.blog-featured__category {
  align-self: flex-start;
  font-family: var(--font-body);
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold-primary);
  border: 1px solid var(--gold-primary);
  border-radius: 999px;
  padding: 5px 14px;
}

.blog-featured__title {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(28px, 3.6vw, 56px);
  line-height: 1.1;
  letter-spacing: -0.005em;
  color: var(--ivory);
  margin: 0;
}

.blog-featured__title em {
  font-style: italic;
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.blog-featured__excerpt {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(15px, 1.3vw, 18px);
  line-height: 1.55;
  color: var(--ivory-dim);
  margin: 0;
  max-width: 520px;
}

.blog-featured__meta {
  display: flex;
  gap: 18px;
  align-items: center;
  font-family: var(--font-body);
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--ivory-dim);
}

.blog-featured__meta .sep { opacity: 0.4; }

.blog-featured__cta {
  align-self: flex-start;
  margin-top: 8px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 26px;
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--bg-primary);
  background: var(--gold-primary);
  border: 1px solid var(--gold-primary);
  border-radius: 999px;
  transition: background 300ms var(--ease-cinema), color 300ms var(--ease-cinema), border-color 300ms var(--ease-cinema);
}

.blog-featured__cta:hover,
.blog-featured__cta:focus-visible {
  background: transparent;
  color: var(--ivory);
  border-color: var(--gold-line);
  outline: none;
}

.blog-featured__cta span { transition: transform 300ms var(--ease-cinema); }
.blog-featured__cta:hover span,
.blog-featured__cta:focus-visible span { transform: translateX(4px); }


/* ---------- STICKY TAG FILTER BAR --------------------------------------- */

.blog-filter {
  /* Sits flush below the fixed site-header (66px tall when scrolled).
     z-index 30 keeps it under the header (z-index 60). */
  position: sticky;
  top: 66px;
  z-index: 30;
  background: rgba(13, 13, 13, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid var(--gold-faint);
  border-bottom: 1px solid var(--gold-faint);
  padding: 14px var(--gutter);
  margin-top: 80px;
}

.blog-filter__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.blog-filter__inner::-webkit-scrollbar { display: none; }

.blog-chip {
  flex: 0 0 auto;
  padding: 9px 20px;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ivory-dim);
  border: 1px solid var(--gold-faint);
  border-radius: 999px;
  background: transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: color 300ms var(--ease-cinema), border-color 300ms var(--ease-cinema), background 300ms var(--ease-cinema);
}

.blog-chip:hover,
.blog-chip:focus-visible {
  color: var(--ivory);
  border-color: var(--gold-line);
  outline: none;
}

.blog-chip.is-active {
  color: var(--bg-primary);
  background: var(--gold-primary);
  border-color: var(--gold-primary);
}

.blog-chip__count {
  font-family: var(--font-display);
  font-style: italic;
  margin-left: 8px;
  opacity: 0.7;
}


/* ---------- ARTICLE CARD GRID ------------------------------------------- */

.blog-grid-wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: clamp(48px, 6vw, 96px) var(--gutter) 120px;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(28px, 3vw, 48px);
}

.blog-grid__empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 80px 0;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 22px;
  color: var(--ivory-dim);
}

.blog-card {
  display: flex;
  flex-direction: column;
  gap: 18px;
  transition: transform 350ms var(--ease-cinema);
}

.blog-card:hover,
.blog-card:focus-visible {
  transform: translateY(-3px);
  outline: none;
}

.blog-card__media {
  position: relative;
  aspect-ratio: 3/2;
  overflow: hidden;
  border: 1px solid var(--gold-faint);
  background: var(--bg-warm);
  transition: border-color 350ms var(--ease-cinema);
}

.blog-card:hover .blog-card__media,
.blog-card:focus-visible .blog-card__media { border-color: var(--gold-line); }

.blog-card__image {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-color: var(--bg-warm);
  transition: transform 800ms var(--ease-cinema);
}

.blog-card:hover .blog-card__image,
.blog-card:focus-visible .blog-card__image { transform: scale(1.04); }

.blog-card__image.is-empty {
  background:
    linear-gradient(135deg, rgba(201, 168, 76, 0.06), rgba(13, 13, 13, 0.4)),
    var(--bg-warm);
}

.blog-card__category {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  padding: 5px 12px;
  font-family: var(--font-body);
  font-size: 9px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold-primary);
  background: rgba(13, 13, 13, 0.65);
  border: 1px solid var(--gold-line);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border-radius: 999px;
}

.blog-card__title {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(20px, 1.8vw, 26px);
  line-height: 1.2;
  color: var(--ivory);
  margin: 0;
  transition: color 300ms var(--ease-cinema);
}

.blog-card:hover .blog-card__title,
.blog-card:focus-visible .blog-card__title { color: var(--gold-primary); }

.blog-card__title em {
  font-style: italic;
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.blog-card__excerpt {
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.55;
  color: var(--ivory-dim);
  margin: 0;
  /* Clamp to 2 lines so card heights stay even */
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card__meta {
  display: flex;
  gap: 14px;
  align-items: center;
  font-family: var(--font-body);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ivory-dim);
  margin-top: auto;
  padding-top: 4px;
}

.blog-card__meta .sep { opacity: 0.4; }


/* ---------- RESPONSIVE -------------------------------------------------- */

@media (max-width: 1100px) {
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .blog-featured__inner { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 700px) {
  .blog-grid { grid-template-columns: 1fr; }
  .blog-featured__title { font-size: clamp(28px, 8vw, 40px); }

  /* Filter bar still scrolls horizontally with edge masks on mobile */
  .blog-filter { padding-inline: 0; }
  .blog-filter__inner {
    padding-inline: var(--gutter);
    flex-wrap: nowrap;
    -webkit-mask-image: linear-gradient(90deg,
      transparent 0,
      black 20px,
      black calc(100% - 20px),
      transparent 100%);
    mask-image: linear-gradient(90deg,
      transparent 0,
      black 20px,
      black calc(100% - 20px),
      transparent 100%);
  }
}