/* ============================================================
   ASHWA RACING — BLOG INDEX
   System: Barlow Condensed + Barlow · dark motorsport-editorial
   ============================================================ */

/* ─── Tokens ────────────────────────────────────────────────── */
:root {
  --red:          #e8001d;
  --black:        #0a0a0a;
  --charcoal:     #141414;
  --dark-grey:    #1c1c1c;
  --mid-grey:     #2a2a2a;
  --off-white:    #f7f6f4;
  --white:        #ffffff;
  --text-muted:   #888;
  --font-display: 'Barlow Condensed', sans-serif;
  --font-body:    'Barlow', sans-serif;
  --ease-expo:    cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-body); background: var(--charcoal); color: var(--white); overflow-x: hidden; }

/* ═══════════════════════════════════════════════════════════════
   HERO
═══════════════════════════════════════════════════════════════ */
.blog-hero {
  position: relative;
  height: 80svh; min-height: 500px; max-height: 780px;
  background: var(--black);
  overflow: hidden;
  display: flex; flex-direction: column; justify-content: flex-end;
}

.blog-hero-bg {
  position: absolute; inset: 0;
  background-image: url('/assets/images/prototypes/XX5C.jpg');
  background-size: cover; background-position: center 30%;
  filter: brightness(0.22) saturate(0.65);
  transform: scale(1.04);
  transition: transform 8s var(--ease-expo);
}
.blog-hero:hover .blog-hero-bg { transform: scale(1.0); }

.blog-hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.94) 0%, rgba(0,0,0,0.3) 55%, rgba(0,0,0,0.04) 100%);
}

.blog-hero-grid {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.022) 1px, transparent 1px);
  background-size: 64px 64px;
}

.blog-hero-stripe {
  position: absolute; top: 0; right: 9%; z-index: 2;
  width: 3px; height: 100%;
  background: var(--red);
}
.blog-hero-stripe::before {
  content: '';
  position: absolute; top: 0; left: -14px;
  width: 1px; height: 100%;
  background: var(--red); opacity: 0.28;
}

.blog-hero-content {
  position: relative; z-index: 3;
  padding: 0 7% 40px; max-width: 700px;
}

.blog-eyebrow {
  display: flex; align-items: center; gap: 14px;
  font-family: var(--font-display);
  font-size: 0.75rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: rgba(255,255,255,0.4); margin-bottom: 16px;
}
.eyebrow-dash { display: block; width: 28px; height: 2px; background: var(--red); flex-shrink: 0; }

.blog-hero-title {
  font-family: var(--font-display);
  font-size: clamp(4rem, 11vw, 8.5rem);
  font-weight: 800; line-height: 0.86;
  letter-spacing: -0.02em; text-transform: uppercase;
  color: var(--white); margin-bottom: 20px;
}
.blog-hero-title em { font-style: italic; color: var(--red); display: block; }

.blog-hero-desc {
  font-size: clamp(0.88rem, 1.3vw, 1rem);
  line-height: 1.7; color: rgba(255,255,255,0.5);
  font-weight: 300; max-width: 480px;
}

/* ─── Filter bar ─────────────────────────────────────────────── */
.blog-filter-bar {
  position: relative; z-index: 3;
  display: flex; align-items: center;
  gap: 6px; flex-wrap: nowrap; overflow-x: auto;
  padding: 14px 7%;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(10px);
  border-top: 1px solid rgba(255,255,255,0.07);
  scrollbar-width: none;
}
.blog-filter-bar::-webkit-scrollbar { display: none; }

.blog-filter-btn {
  font-family: var(--font-display);
  font-size: 0.85rem; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 7px 18px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.4);
  border-radius: 3px; cursor: pointer;
  white-space: nowrap; flex-shrink: 0;
  transition: all 0.2s ease;
}
.blog-filter-btn:hover { color: var(--white); border-color: rgba(255,255,255,0.3); }
.blog-filter-btn.active {
  background: var(--red); border-color: var(--red); color: var(--white);
}

/* ═══════════════════════════════════════════════════════════════
   BLOG MAIN
═══════════════════════════════════════════════════════════════ */
.blog-main {
  padding: 0 7% 100px;
  background: var(--charcoal);
  max-width: 1400px;
  margin: 0 auto;
}

/* ─── Featured post ──────────────────────────────────────────── */
.blog-featured {
  padding-top: 64px;
  margin-bottom: 64px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  padding-bottom: 64px;
}

.featured-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 420px;
  overflow: hidden;
  background: var(--dark-grey);
  text-decoration: none;
  color: var(--white);
  transition: transform 0.4s var(--ease-expo);
}
.featured-card:hover { transform: translateY(-4px); }

.featured-card-image {
  position: relative; overflow: hidden;
}
.featured-card-image img {
  width: 100%; height: 100%;
  object-fit: cover; display: block;
  filter: saturate(0.8);
  transition: transform 0.7s var(--ease-expo), filter 0.4s ease;
}
.featured-card:hover .featured-card-image img {
  transform: scale(1.04); filter: saturate(1);
}

.featured-label {
  position: absolute; top: 20px; left: 20px;
  background: var(--red); color: var(--white);
  font-family: var(--font-display);
  font-size: 0.65rem; font-weight: 700;
  letter-spacing: 0.15em; text-transform: uppercase;
  padding: 5px 12px; border-radius: 2px;
}

.featured-card-body {
  padding: clamp(28px, 5vw, 52px);
  display: flex; flex-direction: column; justify-content: flex-end;
  background: var(--dark-grey);
  border-left: 3px solid var(--red);
}

.featured-meta {
  font-family: var(--font-display);
  font-size: 0.65rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--red); margin-bottom: 12px;
  display: flex; align-items: center; gap: 10px;
}
.featured-meta-sep { color: rgba(255,255,255,0.2); }

.featured-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800; text-transform: uppercase;
  letter-spacing: 0.02em; line-height: 1.1;
  color: var(--white); margin-bottom: 14px;
}

.featured-excerpt {
  font-size: 0.88rem; line-height: 1.7;
  color: rgba(255,255,255,0.45); font-weight: 300;
  margin-bottom: 24px;
  display: -webkit-box; -webkit-line-clamp: 3;
  -webkit-box-orient: vertical; overflow: hidden;
}

.featured-read-more {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-display);
  font-size: 0.8rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--red);
  border-bottom: 2px solid var(--red); padding-bottom: 2px;
  transition: gap 0.2s ease;
}
.featured-card:hover .featured-read-more { gap: 14px; }

/* ─── Meta bar ───────────────────────────────────────────────── */
.blog-meta-bar {
  display: flex; align-items: center;
  justify-content: space-between; flex-wrap: wrap; gap: 12px;
  margin-bottom: 28px;
}

.blog-post-count {
  font-family: var(--font-display);
  font-size: 0.68rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--text-muted);
}

.blog-sort {
  display: flex; align-items: center; gap: 8px;
}
.blog-sort-label {
  font-family: var(--font-display);
  font-size: 0.65rem; letter-spacing: 0.15em; text-transform: uppercase;
  color: rgba(255,255,255,0.2);
}
.blog-sort-btn {
  font-family: var(--font-display);
  font-size: 0.75rem; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 5px 14px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.35);
  border-radius: 2px; cursor: pointer;
  transition: all 0.18s ease;
}
.blog-sort-btn:hover { color: var(--white); border-color: rgba(255,255,255,0.3); }
.blog-sort-btn.active { background: var(--mid-grey); border-color: rgba(255,255,255,0.2); color: var(--white); }

/* ─── Grid ───────────────────────────────────────────────────── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2px;
  transition: opacity 0.25s ease;
}

/* ─── Blog card ──────────────────────────────────────────────── */
.blog-card {
  background: var(--dark-grey);
  overflow: hidden; display: flex; flex-direction: column;
  text-decoration: none; color: var(--white);
  border-bottom: 2px solid transparent;
  transition: border-color 0.25s ease, transform 0.3s var(--ease-expo), background 0.25s ease;
  opacity: 0; transform: translateY(20px);
}
.blog-card.visible { opacity: 1; transform: translateY(0); }
.blog-card:hover {
  border-bottom-color: var(--red);
  transform: translateY(-4px);
  background: #252525;
}

.blog-card-image {
  position: relative; overflow: hidden;
  aspect-ratio: 16/9;
}
.blog-card-image img {
  width: 100%; height: 100%;
  object-fit: cover; display: block;
  filter: saturate(0.75);
  transition: transform 0.6s var(--ease-expo), filter 0.4s ease;
}
.blog-card:hover .blog-card-image img { transform: scale(1.06); filter: saturate(1); }

/* Tag pill on image */
.blog-card-tag {
  position: absolute; top: 12px; left: 12px;
  font-family: var(--font-display);
  font-size: 0.6rem; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase;
  background: rgba(0,0,0,0.75);
  color: var(--red);
  border: 1px solid rgba(232,0,29,0.35);
  padding: 3px 10px; border-radius: 2px;
  backdrop-filter: blur(4px);
}

.blog-card-body {
  padding: 20px; flex: 1;
  display: flex; flex-direction: column; gap: 8px;
}

.blog-card-meta {
  font-family: var(--font-display);
  font-size: 0.62rem; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--text-muted);
  display: flex; align-items: center; gap: 8px;
}
.blog-card-meta-sep { color: rgba(255,255,255,0.15); }

.blog-card-title {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2vw, 1.2rem);
  font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.03em; line-height: 1.25;
  color: var(--white);
  transition: color 0.2s ease;
}
.blog-card:hover .blog-card-title { color: rgba(255,255,255,0.85); }

.blog-card-excerpt {
  font-size: 0.8rem; line-height: 1.65;
  color: rgba(255,255,255,0.35); font-weight: 300;
  flex: 1;
  display: -webkit-box; -webkit-line-clamp: 3;
  -webkit-box-orient: vertical; overflow: hidden;
}

.blog-card-footer {
  display: flex; align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.blog-card-author {
  font-family: var(--font-display);
  font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: rgba(255,255,255,0.3);
}

.blog-card-arrow {
  font-size: 0.72rem; color: var(--red);
  opacity: 0; transition: opacity 0.2s ease, transform 0.2s ease;
  transform: translateX(-4px);
}
.blog-card:hover .blog-card-arrow { opacity: 1; transform: translateX(0); }

/* ─── Empty state ───────────────────────────────────────────── */
.blog-empty {
  text-align: center; padding: 80px 20px;
  color: rgba(255,255,255,0.2);
  font-family: var(--font-display);
  font-size: 1rem; letter-spacing: 0.1em; text-transform: uppercase;
}
.blog-empty i { display: block; font-size: 2.5rem; margin-bottom: 16px; color: var(--red); opacity: 0.3; }

/* ─── Skeleton loader ────────────────────────────────────────── */
.blog-skeleton {
  background: var(--dark-grey);
}
.blog-skeleton-img {
  aspect-ratio: 16/9;
  background: linear-gradient(90deg, #222 25%, #2a2a2a 50%, #222 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
}
.blog-skeleton-body { padding: 20px; display: flex; flex-direction: column; gap: 10px; }
.blog-skeleton-line {
  height: 12px; border-radius: 2px;
  background: linear-gradient(90deg, #222 25%, #2a2a2a 50%, #222 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
}
.blog-skeleton-line.wide  { width: 100%; }
.blog-skeleton-line.mid   { width: 70%; }
.blog-skeleton-line.short { width: 45%; }
@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ─── Accessibility ──────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  .blog-card { opacity: 1; transform: none; }
}

/* ─── Responsive ─────────────────────────────────────────────── */
@media (max-width: 860px) {
  .featured-card { grid-template-columns: 1fr; }
  .featured-card-image { height: 52vw; max-height: 360px; }
  .featured-card-body { border-left: none; border-top: 3px solid var(--red); }
  .blog-main { padding: 0 5% 80px; }
}

@media (max-width: 640px) {
  .blog-hero-content { padding: 0 5% 36px; }
  .blog-filter-bar { padding: 12px 5%; }
  .blog-grid { grid-template-columns: 1fr; }
  .blog-featured { padding-top: 48px; margin-bottom: 48px; padding-bottom: 48px; }
}