/* ==========================================================================
   BLOG & RESOURCES — scoped stylesheet, loaded on blog pages only.
   Reuses tokens + .field/.btn/.section-head patterns from main.css.
   ========================================================================== */

.blog-hero {
  padding: calc(var(--nav-h) + 56px) 24px 48px;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}
.blog-hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.4rem, 6vw, 3.8rem);
}
.blog-hero p {
  margin-top: 16px;
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* Search + filters toolbar */
.blog-toolbar {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px 48px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.blog-search {
  position: relative;
  flex: 1;
  min-width: 220px;
  max-width: 360px;
}
.blog-search svg {
  position: absolute;
  left: 16px; top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
  pointer-events: none;
}
.blog-search input {
  width: 100%;
  background: var(--glass-fill);
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  padding: 13px 16px 13px 44px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: border-color var(--dur-fast) var(--ease);
}
.blog-search input:focus { border-color: var(--accent); outline: none; }

.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.blog-filters button {
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--glass-fill);
  border: 1px solid var(--glass-border);
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.blog-filters button[aria-pressed="true"] {
  background: var(--accent-solid);
  border-color: var(--accent-solid);
  color: #fff;
}

/* Featured article */
.blog-featured {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px 72px;
}
.featured-card {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--glass-fill);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--blur-strong));
  -webkit-backdrop-filter: blur(var(--blur-strong));
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.featured-card:hover { border-color: rgba(42, 167, 155,0.4); box-shadow: var(--shadow-xl); }
.featured-card__media { position: relative; min-height: 320px; }
.featured-card__media img { width: 100%; height: 100%; object-fit: cover; filter: var(--photo-grade); }
.featured-card__tag {
  position: absolute; top: 20px; left: 20px;
  background: var(--accent-solid); color: #fff;
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  padding: 7px 14px; border-radius: 999px;
}
.featured-card__body { padding: 40px; display: flex; flex-direction: column; justify-content: center; }
.featured-card__category { color: var(--accent); font-size: 0.8rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; }
.featured-card__body h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-top: 10px;
  line-height: 1.15;
}
.featured-card__excerpt { color: var(--text-secondary); font-size: 0.95rem; line-height: 1.7; margin-top: 14px; }
.featured-card__meta { color: var(--text-tertiary); font-size: 0.8rem; margin-top: 18px; display: flex; gap: 10px; align-items: center; }
.featured-card__meta .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--text-tertiary); }
.featured-card__cta { margin-top: 22px; align-self: flex-start; }

/* Article grid */
.blog-grid {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px 100px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.blog-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  color: var(--text-tertiary);
  display: none;
}
.blog-empty.is-visible { display: block; }

.post-card {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--glass-fill);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--blur-standard));
  -webkit-backdrop-filter: blur(var(--blur-standard));
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease), opacity 0.3s var(--ease);
  display: flex;
  flex-direction: column;
}
.post-card:hover { transform: translateY(-6px); border-color: rgba(42, 167, 155,0.4); box-shadow: var(--shadow-lg); }
.post-card__media { aspect-ratio: 3/2; overflow: hidden; position: relative; }
.post-card__media img { width: 100%; height: 100%; object-fit: cover; filter: var(--photo-grade); transition: transform 0.7s var(--ease); }
.post-card:hover .post-card__media img { transform: scale(1.08); }
.post-card__category {
  position: absolute; top: 14px; left: 14px;
  background: rgba(10,10,10,0.6);
  backdrop-filter: blur(8px);
  color: var(--accent);
  font-size: 0.68rem; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase;
  padding: 6px 12px; border-radius: 999px;
}
.post-card__body { padding: 22px 22px 26px; display: flex; flex-direction: column; flex: 1; }
.post-card__body h3 { font-family: var(--font-display);
  font-weight: 700; font-size: 1.25rem; line-height: 1.2; }
.post-card__excerpt { color: var(--text-secondary); font-size: 0.88rem; line-height: 1.6; margin-top: 10px; flex: 1; }
.post-card__meta { color: var(--text-tertiary); font-size: 0.76rem; margin-top: 16px; display: flex; align-items: center; gap: 8px; }
.post-card__meta .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--text-tertiary); }

/* Inline newsletter CTA panel */
.blog-newsletter {
  max-width: 720px;
  margin: 0 auto 120px;
  padding: 44px 40px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(42, 167, 155,0.1), var(--glass-fill));
  border: 1px solid rgba(42, 167, 155,0.25);
  text-align: center;
}
.blog-newsletter h2 { font-family: var(--font-display);
  font-weight: 700; font-size: 1.8rem; }
.blog-newsletter p { color: var(--text-secondary); margin: 12px 0 22px; }
.blog-newsletter .newsletter-form { max-width: 380px; margin: 0 auto; }

/* ==========================================================================
   ARTICLE PAGE
   ========================================================================== */
.article-header {
  max-width: 760px;
  margin: 0 auto;
  padding: calc(var(--nav-h) + 48px) 24px 32px;
  text-align: center;
}
.article-header__category { color: var(--accent); font-size: 0.82rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; }
.article-header h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.2rem, 5.5vw, 3.4rem);
  line-height: 1.08;
  margin-top: 14px;
}
.article-header__meta {
  margin-top: 20px;
  color: var(--text-tertiary);
  font-size: 0.85rem;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
}
.article-header__meta .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--text-tertiary); }

.article-cover {
  max-width: 920px;
  margin: 0 auto 56px;
  padding: 0 24px;
}
.article-cover img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  filter: var(--photo-grade);
  border-radius: var(--radius);
  border: 1px solid var(--glass-border);
}

.article-body {
  max-width: 700px;
  margin: 0 auto;
  padding: 0 24px 60px;
  color: var(--text-secondary);
  font-size: 1.02rem;
  line-height: 1.85;
}
.article-body h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.65rem;
  color: var(--text-primary);
  margin: 44px 0 16px;
  letter-spacing: 0.005em;
}
.article-body p { margin-bottom: 18px; }
.article-body ul, .article-body ol { margin: 0 0 18px 22px; }
.article-body li { margin-bottom: 8px; }
.article-body strong { color: var(--text-primary); }
.article-body a { color: var(--accent); font-weight: 600; }

.article-share {
  max-width: 700px;
  margin: 0 auto 60px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.article-share span { color: var(--text-tertiary); font-size: 0.85rem; }
.article-share__btn {
  width: 38px; height: 38px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--glass-fill);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.article-share__btn:hover { background: var(--accent-solid); color: #fff; transform: translateY(-2px); }

.article-cta {
  max-width: 700px;
  margin: 0 auto 80px;
  padding: 32px;
  border-radius: var(--radius);
  background: var(--glass-fill);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.article-cta__text { flex: 1; min-width: 220px; }
.article-cta__text h3 { font-family: var(--font-display);
  font-weight: 700; font-size: 1.3rem; }
.article-cta__text p { color: var(--text-secondary); font-size: 0.9rem; margin-top: 6px; }

.related-posts {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px 100px;
}
.related-posts h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.7rem;
  text-align: center;
  margin-bottom: 32px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 1024px) {
  .blog-grid, .related-grid { grid-template-columns: repeat(2, 1fr); }
  .featured-card { grid-template-columns: 1fr; }
  .featured-card__media { min-height: 240px; }
}
@media (max-width: 760px) {
  .blog-toolbar { padding: 0 20px 36px; }
  .blog-grid, .related-grid { grid-template-columns: 1fr; padding-left: 20px; padding-right: 20px; gap: 18px; }
  .blog-featured { padding: 0 20px 56px; }
  .featured-card__body { padding: 28px 24px; }
  .blog-newsletter { margin: 0 20px 80px; padding: 32px 24px; }
  .article-header { padding: calc(var(--nav-h) + 32px) 20px 24px; }
}