/* ── Blog Hero ──────────────────────────────────────────────── */

.blog-hero {
  min-height: clamp(680px, calc(100vh - var(--header-height, 100px)), 920px);
  padding-top: 6rem;
  overflow: hidden;
  background: var(--color-surface);
}

.blog-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.blog-hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      ellipse 80% 100% at 0% 0%,
      var(--color-surface) 20%,
      rgba(19, 19, 19, 0.75) 50%,
      transparent
    ),
    linear-gradient(
      to bottom,
      rgba(0, 0, 0, 0.35) 0%,
      rgba(0, 0, 0, 0.0) 60%
    );
  z-index: 1;
}

.blog-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blog-hero-content {
  z-index: 2;
}

.blog-hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 9vw, 5.5rem);
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: var(--color-on-surface);
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.8), 0 1px 4px rgba(0, 0, 0, 0.6);
}

.blog-hero-sub {
  font-size: 1.05rem;
  max-width: 520px;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.8);
}

/* ── Tag Filter Buttons — same visual as .pill-btn in 5w-trailers.css ── */

.blog-tag-btn {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 1rem;
  border-radius: var(--pill-border-radius);
  border: 1.5px solid var(--color-outline-variant);
  background: transparent;
  color: var(--color-on-surface-variant);
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  white-space: nowrap;
}

.blog-tag-btn:hover {
  border-color: var(--color-primary-container);
  color: var(--color-on-surface);
}

.blog-tag-btn.active {
  background: var(--btn-gradient-primary);
  border-color: transparent;
  color: var(--color-on-surface);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4); /* readability shadow on colored bg */
}

/* ── Search ─────────────────────────────────────────────────── */

.blog-search-wrap {
  position: relative;
}

.blog-search-icon {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-on-surface-variant);
  font-size: 0.9rem;
  pointer-events: none;
}

.blog-search-input {
  background: var(--color-surface-container-highest);
  border: 1px solid rgba(90, 20, 20, 0.2);
  color: var(--color-on-surface);
  font-family: var(--font-body);
  font-size: 0.85rem;
  padding: 0.5rem 2.25rem 0.5rem 1rem;
  border-radius: var(--input-border-radius);
  outline: none;
  width: 220px;
  transition: border-color 0.2s, width 0.3s, background 0.2s;
}

.blog-search-input:focus {
  background: var(--color-surface-bright);
  border-color: transparent;
  box-shadow: 0 0 0 1px rgba(255, 180, 162, 0.2);
  width: 280px;
}

.blog-search-input::placeholder {
  color: rgba(226, 226, 226, 0.2);
}

/* ── Featured Card ──────────────────────────────────────────── */

#blog-featured-wrap,
#blogPostsRow {
  opacity: 0;
  transition: opacity 0.25s ease;
}

.blog-hero-featured-wrap {
  z-index: 2;
}

#blog-featured-wrap {
  max-width: 980px;
  margin: 0 auto;
}

.blog-featured-card {
  border: 1px solid var(--color-outline-variant);
  border-radius: 12px;
}

.blog-featured-img {
  min-height: 200px;
  max-height: unset;
  object-fit: cover;
}

.blog-featured-title {
  font-family: var(--font-heading);
  font-size: clamp(1.3rem, 3vw, 1.9rem);
  line-height: 1.15;
  color: var(--color-on-surface);
}

/* ── Post Grid Cards ────────────────────────────────────────── */

.blog-card {
  background: var(--color-surface-container);
  border-radius: 10px;
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease;
  position: relative;
  cursor: pointer;
}

.blog-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary-container);
}

.blog-card--loading::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  z-index: 2;
}

.blog-card--loading .blog-card-spinner {
  display: flex !important; /* overrides Bootstrap d-none on the spinner element */
}

.blog-card-spinner {
  display: none;
  position: absolute;
  inset: 0;
  align-items: center;
  justify-content: center;
  z-index: 3;
}

.blog-card-spinner::after {
  content: '';
  width: 32px;
  height: 32px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: blog-spin 0.7s linear infinite;
}

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

.blog-card-img-wrap {
  height: 210px;
}

.blog-card-img {
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.blog-card:hover .blog-card-img {
  transform: scale(1.04);
}

.blog-card-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  line-height: 1.3;
  color: var(--color-on-surface);
}

.blog-excerpt,
.blog-card-excerpt {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--color-on-surface) !important; /* overrides Bootstrap card text color */
}

.blog-read-more {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary-container);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.2s ease;
}

.blog-read-more:hover {
  color: var(--color-primary);
  gap: 8px;
}

/* ── Shared Tag Pill ────────────────────────────────────────── */

.blog-tag {
  display: inline-block;
  background: var(--color-primary-container-a12);
  color: var(--color-primary-container);
  font-family: var(--font-heading);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid var(--color-primary-container-a25);
}

.blog-meta-date {
  font-size: 0.75rem;
  color: var(--color-on-surface-variant);
  opacity: 0.7;
}

/* ── Newsletter ─────────────────────────────────────────────── */

.blog-newsletter-input {
  background: var(--color-surface-container);
  color: var(--color-on-surface);
  font-family: var(--font-body);
  font-size: 0.9rem;
  padding: 10px 20px;
  border-radius: 20px;
  outline: none;
  min-width: 240px;
  max-width: 250px;
  transition: border-color 0.2s;
}

.blog-newsletter-input:focus {
  border-color: var(--color-primary-container);
}

.blog-newsletter-input::placeholder {
  color: var(--color-on-surface-variant);
  opacity: 0.5;
}

/* ── Article Hero ───────────────────────────────────────────── */

.article-hero {
  min-height: 55vh;
  padding-top: 6rem;
  overflow: hidden;
  background: var(--color-surface);
  transition: opacity 0.35s ease;
}

.article-body-section {
  transition: opacity 0.35s ease;
}

.article-loading {
  opacity: 0;
}

.article-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.article-hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, var(--color-surface) 20%, var(--color-surface-a75) 55%, var(--color-surface-a40) 100%), linear-gradient(to top, var(--color-surface) 0%, transparent 45%);
  z-index: 1;
}

.article-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.article-hero-content {
  position: relative;
  z-index: 2;
  max-width: 860px;
}

.article-hero-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4.5vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--color-on-surface);
}

.article-hero-meta {
  border-top: 1px solid var(--color-outline-variant);
  padding-top: 1.25rem;
}

.article-author-avatar {
  height: 36px;
  width: auto;
  opacity: 0.85;
}

/* ── Article Body ────────────────────────────────────────────── */

.article-body {
  color: var(--color-on-surface);
}

.article-lead {
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-on-surface-variant);
  margin-bottom: 2rem;
}

.article-h2 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.35rem;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  color: var(--color-on-surface);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-outline-variant);
}

.article-body p {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--color-on-surface);
  margin-bottom: 1.25rem;
}

.article-body strong {
  color: var(--color-on-surface);
}

.article-callout {
  background: var(--color-surface-container);
  border: 1px solid var(--color-outline-variant);
  border-left: 3px solid var(--color-primary-container);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  font-size: 0.9rem;
  color: var(--color-on-surface);
  margin: 1.75rem 0;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.article-list {
  padding-left: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 1.25rem;
}

.article-list li {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-on-surface);
}

/* ── Article Spec Cards ──────────────────────────────────────── */

.article-spec-card {
  background: var(--color-surface-container);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  height: 100%;
}

.article-spec-label {
  font-family: var(--font-heading);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary-container);
  display: block;
  margin-bottom: 0.25rem;
}

.article-spec-val {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-on-surface);
  display: block;
  margin-bottom: 0.5rem;
}

.article-spec-desc {
  font-size: 0.82rem;
  color: var(--color-on-surface-variant);
  margin: 0;
  line-height: 1.5;
}

/* ── Sidebar ─────────────────────────────────────────────────── */

.article-sidebar {
  position: sticky;
  top: 100px;
}

.sidebar-card {
  background: var(--color-surface-container);
  border-radius: 10px;
  padding: 1.5rem;
}

.sidebar-cta {
  background: var(--color-surface-container-high);
  border-color: var(--color-primary-container-a20);
}

.sidebar-heading {
  font-family: var(--font-heading);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-primary-container);
  margin-bottom: 1rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--color-outline-variant);
}

.sidebar-fact-label {
  font-family: var(--font-heading);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-on-surface-variant);
  opacity: 0.7;
}

.sidebar-fact-val {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-on-surface);
  text-align: right;
}

.sidebar-post-link {
  border-bottom: 1px solid var(--color-outline-variant);
  padding-bottom: 0.75rem;
  transition: opacity 0.2s;
}

.sidebar-post-link:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.sidebar-post-link:hover {
  opacity: 0.8;
}

.sidebar-post-thumb {
  width: 64px;
  height: 52px;
  object-fit: cover;
  border-radius: 6px;
  flex-shrink: 0;
}

.sidebar-post-title {
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-on-surface);
  line-height: 1.35;
  margin-top: 0.15rem;
}

/* ── Responsive tweaks ───────────────────────────────────────── */

@media (max-width: 575px) {
  .blog-search-input {
    width: 160px;
  }
}

@media (max-width: 575px) {
  .blog-search-input:focus {
    width: 200px;
  }
}

@media (max-width: 575px) {
  .blog-newsletter-input {
    min-width: 100%;
  }
}