/* ============================================================
   codeAj Posts — Minimalist Black & White UI
   ============================================================ */

/* 1. VARIABLES & RESET
   ============================================================ */
:root {
  --fg: #0a0a0a;
  --fg-soft: #1a1a1a;
  --bg: #f9f9f7;
  --bg-card: #ffffff;
  --muted: #767676;
  --muted-light: #a8a8a8;
  --border: #e4e4e0;
  --border-dark: #c8c8c4;
  --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --container: 1200px;
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul, ol { list-style: none; }

/* 2. LAYOUT
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 2rem;
}

.section { padding: 6rem 0; }
.section--lg { padding: 8rem 0; }
.section--sm { padding: 3rem 0; }

/* 3. TYPOGRAPHY
   ============================================================ */
h1, h2, h3, h4 { font-family: var(--font-serif); font-weight: 400; line-height: 1.1; }

.section-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 400;
  color: var(--fg);
}

.section-header {
  display: flex;
  flex-direction: column;
  margin-bottom: 3rem;
}

.section-header--row {
  flex-direction: row;
  align-items: flex-end;
  justify-content: space-between;
}

.section-link {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 1px solid var(--border-dark);
  padding-bottom: 2px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.section-link:hover { color: var(--fg); border-color: var(--fg); }

/* 4. NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.5rem 0;
  transition: background 0.4s ease, border-color 0.4s ease, padding 0.4s ease;
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: rgba(249, 249, 247, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--border);
  padding: 1rem 0;
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  display: flex;
  align-items: center;
}

.nav__logo-img {
  height: 38px;
  width: auto;
  display: block;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav__link {
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  position: relative;
  transition: color 0.2s ease;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0; right: 100%;
  height: 1px;
  background: var(--fg);
  transition: right 0.3s var(--ease);
}

.nav__link:hover { color: var(--fg); }
.nav__link:hover::after { right: 0; }

/* 5. HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-rows: 1fr auto;
  padding-top: 90px;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.hero__inner {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 4rem 0;
}

.hero__eyebrow {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 2rem;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.1s forwards;
}

.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(4rem, 11vw, 9.5rem);
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: -0.025em;
  margin-bottom: 2.5rem;
}

.hero__line {
  display: block;
  overflow: hidden;
}

.hero__line-inner {
  display: block;
  opacity: 0;
  transform: translateY(110%);
  animation: lineReveal 0.9s var(--ease-out) forwards;
}

.hero__line:nth-child(1) .hero__line-inner { animation-delay: 0.25s; }
.hero__line:nth-child(2) .hero__line-inner { animation-delay: 0.42s; }
.hero__line--italic { font-style: italic; color: var(--fg-soft); }

.hero__sub {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 420px;
  line-height: 1.65;
  margin-bottom: 3rem;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.7s forwards;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: 2rem;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.85s forwards;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--fg);
  padding: 0.9rem 2rem;
  transition: background 0.3s ease;
}

.btn-primary svg {
  width: 14px; height: 14px;
  transition: transform 0.3s ease;
}

.btn-primary:hover { background: #333; }
.btn-primary:hover svg { transform: translateX(4px); }

.btn-ghost {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 1px solid var(--border-dark);
  padding-bottom: 2px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.btn-ghost:hover { color: var(--fg); border-color: var(--fg); }

.hero__scroll {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 2rem 2rem;
  border-top: 1px solid var(--border);
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 1.1s forwards;
}

.hero__scroll-text {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted-light);
}

.hero__scroll-line {
  flex: 1;
  height: 1px;
  background: var(--border);
  max-width: 80px;
  position: relative;
  overflow: hidden;
}

.hero__scroll-line::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: var(--fg);
  animation: scrollScan 2s ease-in-out infinite;
}

/* 6. MARQUEE
   ============================================================ */
.marquee {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 1.1rem 0;
  overflow: hidden;
  background: var(--fg);
  color: var(--bg);
}

.marquee__track {
  display: flex;
  align-items: center;
  gap: 0;
  white-space: nowrap;
  animation: marqueeScroll 22s linear infinite;
  width: max-content;
}

.marquee__item {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  font-style: italic;
  font-weight: 400;
  letter-spacing: 0.03em;
  padding: 0 2rem;
}

.marquee__sep {
  color: rgba(255,255,255,0.35);
  font-size: 0.75rem;
}

/* 7. FEATURED POST
   ============================================================ */
.featured__card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--border);
  min-height: 480px;
  overflow: hidden;
  transition: border-color 0.3s ease;
}

.featured__card:hover { border-color: var(--border-dark); }

.featured__image {
  position: relative;
  overflow: hidden;
  background: #e8e8e4;
  min-height: 360px;
}

.featured__image img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(15%);
  transition: filter 0.5s ease, transform 0.6s var(--ease);
}

.featured__card:hover .featured__image img {
  filter: grayscale(0%);
  transform: scale(1.02);
}

.featured__image-placeholder {
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1a1a1a 0%, #0a0a0a 100%);
  min-height: 360px;
}

.featured__image-placeholder span {
  font-family: var(--font-serif);
  font-size: 8rem;
  font-weight: 400;
  color: rgba(255,255,255,0.08);
  line-height: 1;
  font-style: italic;
}

.featured__body {
  padding: 3rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background: var(--bg-card);
  border-left: 1px solid var(--border);
}

.featured__category {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.25rem;
  display: block;
  transition: color 0.2s ease;
}

.featured__category:hover { color: var(--fg); }

.featured__title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3vw, 2.5rem);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: 1.25rem;
  color: var(--fg);
  transition: color 0.2s ease;
}

.featured__title a:hover { color: var(--muted); }

.featured__excerpt {
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 2rem;
  flex-grow: 1;
}

.featured__meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.75rem;
  color: var(--muted-light);
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.featured__meta-sep { color: var(--border-dark); }

/* 8. POST CARDS GRID
   ============================================================ */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--border);
}

.post-card {
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
  transition: background 0.3s ease;
  position: relative;
}

.post-card:nth-child(3n) { border-right: none; }

.post-card:hover { background: var(--bg); }

.post-card__image-wrap {
  overflow: hidden;
  aspect-ratio: 3/2;
  background: #eeeee9;
}

.post-card__image-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(20%);
  transition: filter 0.5s ease, transform 0.5s var(--ease);
}

.post-card:hover .post-card__image-wrap img {
  filter: grayscale(0%);
  transform: scale(1.04);
}

.post-card__placeholder {
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1a1a1a 0%, #111 100%);
  aspect-ratio: 3/2;
}

.post-card__placeholder span {
  font-family: var(--font-serif);
  font-size: 4rem;
  font-weight: 400;
  color: rgba(255,255,255,0.06);
  font-style: italic;
}

.post-card__body { padding: 1.75rem; }

.post-card__category {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.85rem;
  transition: color 0.2s ease;
}

.post-card__category:hover { color: var(--fg); }

.post-card__title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 400;
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin-bottom: 0.75rem;
}

.post-card__title a {
  position: relative;
  transition: color 0.2s ease;
}

.post-card__title a::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 0; right: 100%;
  height: 1px;
  background: var(--fg);
  transition: right 0.35s var(--ease);
}

.post-card:hover .post-card__title a::after { right: 0; }

.post-card__excerpt {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-card__meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.72rem;
  color: var(--muted-light);
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}

.post-card__meta-sep { color: var(--border); }

/* 9. SKELETON LOADING
   ============================================================ */
.skel {
  background: linear-gradient(90deg, #ebebeb 25%, #e0e0e0 50%, #ebebeb 75%);
  background-size: 400% 100%;
  animation: shimmer 1.6s ease-in-out infinite;
  border-radius: 1px;
}

.skel--image { height: 240px; width: 100%; }
.skel--label { height: 12px; width: 80px; margin-bottom: 14px; }
.skel--title { height: 20px; width: 85%; margin-bottom: 10px; }
.skel--title-2 { height: 20px; width: 60%; margin-bottom: 20px; }
.skel--title-lg { height: 36px; width: 90%; margin-bottom: 12px; }
.skel--title-lg-2 { height: 36px; width: 70%; margin-bottom: 24px; }
.skel--text { height: 14px; width: 100%; margin-bottom: 8px; }
.skel--text-2 { height: 14px; width: 75%; }

.skeleton-card {
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
}

.skeleton-card:nth-child(3n) { border-right: none; }

.skeleton-card__body { padding: 1.75rem; }

.featured__skeleton { padding: 3rem; }
.featured__skeleton .skel--image { height: 100%; min-height: 360px; }

/* 10. CATEGORIES GRID
   ============================================================ */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--border);
}

.category-card {
  padding: 2.5rem 2rem;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  background: var(--bg-card);
  transition: background 0.3s ease, color 0.3s ease;
  position: relative;
  overflow: hidden;
}

.category-card:nth-child(4n) { border-right: none; }

.category-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--fg);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 0.4s var(--ease);
  z-index: 0;
}

.category-card:hover::before { transform: scaleY(1); }

.category-card__name,
.category-card__count,
.category-card__arrow {
  position: relative;
  z-index: 1;
  transition: color 0.3s ease;
}

.category-card__name {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--fg);
  margin-bottom: 0.5rem;
  display: block;
}

.category-card__count {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--muted);
  text-transform: uppercase;
  display: block;
  margin-bottom: 1.5rem;
}

.category-card__arrow {
  font-size: 1.2rem;
  color: var(--muted);
  display: block;
}

.category-card:hover .category-card__name,
.category-card:hover .category-card__count,
.category-card:hover .category-card__arrow { color: var(--bg); }

/* 11. BLOG LISTING PAGE
   ============================================================ */
.page-hero {
  padding: 10rem 0 4rem;
  border-bottom: 1px solid var(--border);
}

.page-hero__label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
  margin-bottom: 1rem;
}

.page-hero__title {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.page-hero__title em { font-style: italic; }

.page-hero__meta {
  font-size: 0.85rem;
  color: var(--muted);
}

.filters-bar {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 65px;
  z-index: 50;
  background: rgba(249, 249, 247, 0.95);
  backdrop-filter: blur(8px);
}

.filters-inner {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.filter-search {
  flex: 1;
  min-width: 200px;
  max-width: 320px;
  position: relative;
}

.filter-search input {
  width: 100%;
  padding: 0.55rem 0.75rem 0.55rem 2.25rem;
  border: 1px solid var(--border);
  background: var(--bg-card);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  color: var(--fg);
  outline: none;
  transition: border-color 0.2s ease;
}

.filter-search input:focus { border-color: var(--fg); }

.filter-search input::placeholder { color: var(--muted-light); }

.filter-search__icon {
  position: absolute;
  left: 0.7rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted-light);
  pointer-events: none;
}

.filter-chips {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.chip {
  padding: 0.4rem 1rem;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  transition: all 0.2s ease;
  cursor: pointer;
}

.chip:hover { border-color: var(--fg); color: var(--fg); }
.chip.active { background: var(--fg); border-color: var(--fg); color: var(--bg); }

.posts-count {
  margin-left: auto;
  font-size: 0.75rem;
  color: var(--muted-light);
  white-space: nowrap;
}

.load-more-wrap {
  padding: 4rem 0;
  text-align: center;
  border-top: 1px solid var(--border);
}

.btn-load {
  padding: 0.9rem 3rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid var(--fg);
  color: var(--fg);
  background: transparent;
  transition: all 0.3s ease;
}

.btn-load:hover { background: var(--fg); color: var(--bg); }
.btn-load:disabled { opacity: 0.4; cursor: not-allowed; }

/* 12. POST DETAIL PAGE
   ============================================================ */
.post-hero {
  padding: 10rem 0 4rem;
  border-bottom: 1px solid var(--border);
}

.post-hero__inner {
  max-width: 760px;
}

.post-hero__category {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-dark);
  padding-bottom: 2px;
  transition: color 0.2s ease;
}

.post-hero__category:hover { color: var(--fg); }

.post-hero__title {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1.75rem;
}

.post-hero__excerpt {
  font-size: 1.05rem;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 2rem;
  font-style: italic;
  font-family: var(--font-serif);
}

.post-hero__meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.8rem;
  color: var(--muted);
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.post-hero__meta-sep { color: var(--border-dark); }

.post-hero__badge {
  padding: 0.25rem 0.75rem;
  background: var(--fg);
  color: var(--bg);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.post-featured-image {
  width: 100%;
  max-height: 560px;
  overflow: hidden;
}

.post-featured-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(10%);
}

.post-content {
  padding: 5rem 0;
}

.post-content__inner {
  max-width: 680px;
}

.post-body {
  font-size: 1.08rem;
  line-height: 1.85;
  color: var(--fg-soft);
}

.post-body p { margin-bottom: 1.75em; }
.post-body h2 { font-family: var(--font-serif); font-size: 1.65rem; margin: 2.5em 0 0.75em; }
.post-body h3 { font-family: var(--font-serif); font-size: 1.3rem; margin: 2em 0 0.5em; }
.post-body blockquote {
  border-left: 2px solid var(--fg);
  padding: 0.25em 0 0.25em 1.75em;
  margin: 2em 0;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--muted);
}

.post-tags {
  padding: 3rem 0;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.post-tag {
  padding: 0.3rem 0.9rem;
  border: 1px solid var(--border);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  transition: all 0.2s ease;
}

.post-tag:hover { border-color: var(--fg); color: var(--fg); }

.post-seo-info {
  padding: 2.5rem;
  border: 1px solid var(--border);
  background: var(--bg-card);
  margin-top: 3rem;
}

.post-seo-info__title {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.seo-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.seo-item__label {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted-light);
  display: block;
  margin-bottom: 0.35rem;
}

.seo-item__value {
  font-size: 0.875rem;
  color: var(--fg);
}

/* 13. CATEGORY / TAG PAGE
   ============================================================ */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 4rem;
}

/* 14. PROGRESS BAR
   ============================================================ */
.reading-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  background: var(--fg);
  width: 0%;
  z-index: 999;
  transition: width 0.1s linear;
}

/* 15. FOOTER
   ============================================================ */
.footer {
  background: var(--fg);
  color: var(--bg);
  padding: 5rem 0 2rem;
  margin-top: auto;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 4rem;
  padding-bottom: 4rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 2rem;
}

.footer__logo {
  display: inline-block;
  margin-bottom: 1rem;
}

.footer__logo-img {
  height: 36px;
  width: auto;
  display: block;
  filter: brightness(0) invert(1);
}

.footer__tagline {
  font-size: 0.875rem;
  color: rgba(249,249,247,0.5);
  line-height: 1.6;
}

.footer__col-title {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(249,249,247,0.4);
  margin-bottom: 1.25rem;
  display: block;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer__link {
  font-size: 0.875rem;
  color: rgba(249,249,247,0.65);
  transition: color 0.2s ease;
}

.footer__link:hover { color: var(--bg); }

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: rgba(249,249,247,0.35);
}

/* 16. EMPTY / ERROR STATES
   ============================================================ */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 6rem 2rem;
}

.empty-state__icon {
  font-size: 3rem;
  color: var(--border-dark);
  display: block;
  margin-bottom: 1.5rem;
}

.empty-state__title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 400;
  margin-bottom: 0.75rem;
}

.empty-state__text { font-size: 0.9rem; color: var(--muted); }

/* 17. REVEAL ANIMATIONS
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.75s var(--ease-out), transform 0.75s var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* 18. KEYFRAMES
   ============================================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes lineReveal {
  from { opacity: 0; transform: translateY(110%); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes shimmer {
  0%   { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}

@keyframes marqueeScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

@keyframes scrollScan {
  0%   { left: -100%; }
  100% { left: 100%; }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* 19. LOADING SPINNER
   ============================================================ */
.spinner {
  width: 20px; height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--fg);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin: 0 auto;
}

/* 20. RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .posts-grid { grid-template-columns: repeat(2, 1fr); }
  .post-card:nth-child(3n) { border-right: 1px solid var(--border); }
  .post-card:nth-child(2n) { border-right: none; }
  .featured__card { grid-template-columns: 1fr; }
  .featured__body { border-left: none; border-top: 1px solid var(--border); }
  .categories-grid { grid-template-columns: repeat(2, 1fr); }
  .category-card:nth-child(4n) { border-right: 1px solid var(--border); }
  .category-card:nth-child(2n) { border-right: none; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 4rem 0; }
  .posts-grid { grid-template-columns: 1fr; }
  .post-card { border-right: none; }
  .post-card:nth-child(2n) { border-right: none; }
  .hero__title { font-size: clamp(3rem, 14vw, 5rem); }
  .page-hero__title { font-size: clamp(2.5rem, 12vw, 4rem); }
  .filters-inner { flex-direction: column; align-items: flex-start; }
  .filter-search { max-width: 100%; }
  .seo-grid { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .categories-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .container { padding: 0 1.25rem; }
  .hero__title { font-size: clamp(2.5rem, 16vw, 4rem); }
  .categories-grid { grid-template-columns: 1fr; }
  .category-card { border-right: none; }
  .nav__links { display: none; }
}