/**
 * Folio3 Blog Layout - front-end styles
 * All rules are scoped to .f3-body-wrapper so nothing leaks into the theme.
 */

.f3-body-wrapper {
  --red: #e31b23;
  --red-dark: #b80f16;
  --black: #111214;
  --charcoal: #1c1e22;
  --dark-2: #25282e;
  --white: #ffffff;
  --off-white: #f7f7f8;
  --light: #eceef1;
  --muted: #555a63;
  --border: #dedfe3;
  --shadow: 0 18px 45px rgba(17, 18, 20, 0.08);
  --radius: 16px;
  --container: 1180px;

  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--black);
  background: var(--white);
  line-height: 1.65;
  overflow-x: hidden;
}

.f3-body-wrapper * { box-sizing: border-box; }
.f3-body-wrapper img { max-width: 100%; height: auto; display: block; object-fit: cover; }
.f3-body-wrapper a { color: inherit; text-decoration: none; transition: color 0.2s ease; }
.f3-body-wrapper button, .f3-body-wrapper input { font: inherit; }

.f3-body-wrapper .container {
  width: min(calc(100% - 32px), var(--container));
  margin-inline: auto;
}

.f3-body-wrapper .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--red);
  font-weight: 800;
  font-size: 0.8rem;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.f3-body-wrapper .eyebrow::before {
  content: "";
  width: 28px;
  height: 3px;
  border-radius: 999px;
  background: var(--red);
}

.f3-body-wrapper h1, .f3-body-wrapper h2, .f3-body-wrapper h3, .f3-body-wrapper h4 {
  margin: 0;
  line-height: 1.15;
  letter-spacing: -0.03em;
  font-weight: 850;
}

.f3-body-wrapper h1 { font-size: clamp(2.3rem, 4.5vw, 4.25rem); }
.f3-body-wrapper h2 { font-size: clamp(1.8rem, 3vw, 2.8rem); }
.f3-body-wrapper h3 { font-size: clamp(1.25rem, 1.8vw, 1.6rem); }
.f3-body-wrapper p { margin: 0; color: var(--muted); }

/* Buttons & Interactions */
.f3-body-wrapper .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 24px;
  border-radius: 8px;
  font-weight: 800;
  font-size: 0.95rem;
  transition: .25s ease;
  cursor: pointer;
  border: 1px solid transparent;
}

.f3-body-wrapper .btn-primary {
  color: var(--white);
  background: var(--red);
  box-shadow: 0 10px 22px rgba(227,27,35,.2);
}

.f3-body-wrapper .btn-primary:hover {
  background: var(--red-dark);
  transform: translateY(-2px);
}

/* Blog Header Section */
.f3-body-wrapper .blog-hero {
  position: relative;
  background: linear-gradient(135deg, #0e0f12 0%, #17191e 70%, #20232a 100%);
  color: var(--white);
  padding: 80px 0 60px;
  overflow: hidden;
}

.f3-body-wrapper .blog-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .12;
  background-image: linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, black, transparent 85%);
  -webkit-mask-image: linear-gradient(to bottom, black, transparent 85%);
}

.f3-body-wrapper .blog-hero .container { position: relative; z-index: 1; }
.f3-body-wrapper .blog-hero h1 { margin-top: 12px; color: var(--white); }
.f3-body-wrapper .blog-hero h1 em { color: var(--red); font-style: normal; }
.f3-body-wrapper .blog-hero p { color: #cfd2d8; max-width: 650px; margin-top: 16px; font-size: 1.05rem; }

/* Filters & Categories Nav */
.f3-body-wrapper .filter-bar {
  border-bottom: 1px solid var(--border);
  background: var(--white);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 4px 20px rgba(0,0,0,0.02);
}

/* Opt-out for themes with their own sticky header */
.f3-body-wrapper.f3-no-sticky .filter-bar { position: static; }

.f3-body-wrapper .filter-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  overflow-x: auto;
  padding: 16px 0;
  scrollbar-width: none;
}
.f3-body-wrapper .filter-inner::-webkit-scrollbar { display: none; }

.f3-body-wrapper .categories-list {
  display: flex;
  gap: 8px;
}

.f3-body-wrapper .category-btn {
  display: inline-block;
  background: var(--off-white);
  border: 1px solid var(--border);
  padding: 8px 18px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.88rem;
  line-height: 1.5;
  color: #4e535c;
  cursor: pointer;
  white-space: nowrap;
  text-decoration: none;
  transition: all 0.2s ease;
}

.f3-body-wrapper .category-btn.active,
.f3-body-wrapper .category-btn:hover {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
}

/* Featured Post Layout */
.f3-body-wrapper .featured-section {
  padding: 60px 0 40px;
}

.f3-body-wrapper .featured-card {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  background: var(--off-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.f3-body-wrapper .featured-img-wrap {
  height: 100%;
  min-height: 380px;
  background: var(--charcoal);
  position: relative;
}

.f3-body-wrapper .featured-img-wrap img {
  width: 100%;
  height: 100%;
}

.f3-body-wrapper .badge {
  position: absolute;
  top: 20px;
  left: 20px;
  z-index: 2;
  background: var(--red);
  color: var(--white);
  padding: 5px 12px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.f3-body-wrapper .badge-dark { background: var(--dark-2); }

.f3-body-wrapper .featured-content {
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.f3-body-wrapper .post-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 14px;
}

.f3-body-wrapper .post-meta span.dot::after {
  content: "\2022";
  margin-left: 12px;
}

.f3-body-wrapper .featured-content h2 { margin-bottom: 16px; }
.f3-body-wrapper .featured-content h2 a:hover { color: var(--red); }
.f3-body-wrapper .featured-content p { margin-bottom: 24px; font-size: 1rem; line-height: 1.6; }

.f3-body-wrapper .read-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  color: var(--black);
  font-size: 0.95rem;
}
.f3-body-wrapper .read-more::after { content: "\2192"; color: var(--red); transition: transform 0.2s; }
.f3-body-wrapper .read-more:hover { color: var(--red); }
.f3-body-wrapper .read-more:hover::after { transform: translateX(4px); }

/* Blog Grid Layout */
.f3-body-wrapper .blog-grid-section {
  padding: 20px 0 80px;
}

.f3-body-wrapper .grid-layout {
  display: grid;
  grid-template-columns: repeat(var(--f3-columns, 3), minmax(0, 1fr));
  gap: 32px 24px;
}

.f3-body-wrapper .blog-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all 0.25s ease;
}

.f3-body-wrapper .blog-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: #cfd2d8;
}

.f3-body-wrapper .card-img-wrap {
  height: 210px;
  background: var(--charcoal);
  position: relative;
}
.f3-body-wrapper .card-img-wrap img { width: 100%; height: 100%; }

.f3-body-wrapper .card-content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.f3-body-wrapper .card-content h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
  line-height: 1.3;
}
.f3-body-wrapper .card-content h3 a:hover { color: var(--red); }

.f3-body-wrapper .card-content p {
  font-size: 0.92rem;
  line-height: 1.55;
  margin-bottom: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.f3-body-wrapper .card-footer {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--light);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Empty state */
.f3-body-wrapper .f3-empty {
  grid-column: 1 / -1;
  padding: 60px 24px;
  text-align: center;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  background: var(--off-white);
}

/* Pagination */
.f3-body-wrapper .pagination {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 50px;
}

.f3-body-wrapper .page-num {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  font-weight: 700;
  color: #4e535c;
  cursor: pointer;
  transition: all 0.2s;
}

.f3-body-wrapper .page-num.active, .f3-body-wrapper .page-num:hover {
  background: var(--red);
  color: var(--white);
  border-color: var(--red);
}

.f3-body-wrapper .page-num.dots,
.f3-body-wrapper .page-num.dots:hover {
  background: transparent;
  border-color: transparent;
  color: var(--muted);
  cursor: default;
}

/* Responsive Systems */
@media (max-width: 1024px) {
  .f3-body-wrapper .featured-card { grid-template-columns: 1fr; }
  .f3-body-wrapper .featured-img-wrap { min-height: 280px; }
  .f3-body-wrapper .grid-layout { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  .f3-body-wrapper .blog-hero { padding: 50px 0; }
  .f3-body-wrapper .featured-content { padding: 24px; }
  .f3-body-wrapper .grid-layout { grid-template-columns: 1fr; }
}