/* ============================================================
   ELEGEA — blog.css
   Estilos específicos del blog (se carga encima de styles.css)
   ============================================================ */

/* --- NAV ACTIVE LINK --- */
.nav-active {
  color: var(--violet-lt) !important;
  font-weight: 600;
}

/* ---- BLOG HERO ---- */
.blog-hero {
  position: relative;
  padding: 9rem 0 5rem;
  overflow: hidden;
  background: var(--dark2);
  border-bottom: 1px solid var(--border);
}
.blog-hero-orb {
  position: absolute;
  top: -80px; left: 50%;
  transform: translateX(-50%);
  width: 700px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(124,58,237,0.18) 0%, rgba(37,99,235,0.08) 55%, transparent 75%);
  pointer-events: none;
}
.blog-hero-label {
  font-family: var(--font-head);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--violet-lt);
  margin-bottom: 1rem;
}
.blog-hero-title {
  font-family: var(--font-head);
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 1.2rem;
}
.blog-hero-sub {
  font-size: 1.05rem;
  color: var(--text);
  max-width: 520px;
  line-height: 1.7;
}
.grad-text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---- MAIN LAYOUT ---- */
.blog-main {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 3.5rem;
  align-items: start;
  padding-top: 3.5rem;
  padding-bottom: 5rem;
}

/* ---- FILTERS ---- */
.blog-filters {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}
.blog-filter {
  background: var(--dark3);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 0.45rem 1.1rem;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}
.blog-filter:hover {
  border-color: var(--violet-lt);
  color: var(--white);
}
.blog-filter.active {
  background: var(--violet);
  border-color: var(--violet);
  color: #fff;
}

/* ---- FEATURED POST ---- */
.blog-featured {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 0;
  background: var(--dark2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 2.5rem;
  text-decoration: none;
  transition: border-color 0.25s, transform 0.25s;
}
.blog-featured:hover {
  border-color: var(--violet-lt);
  transform: translateY(-3px);
}
.blog-featured-img {
  aspect-ratio: 4/3;
  background: var(--dark3);
  overflow: hidden;
  position: relative;
}
.blog-featured-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s var(--ease-expo);
}
.blog-featured:hover .blog-featured-img img { transform: scale(1.04); }
.blog-featured-img-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--dark3), var(--mid));
  font-size: 4rem;
  color: var(--border-lt);
}
.blog-featured-body {
  padding: 2rem 2rem 2.2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1rem;
}
.blog-featured-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.blog-cat-tag {
  font-family: var(--font-head);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.28rem 0.8rem;
  border-radius: var(--radius-pill);
  background: rgba(124,58,237,0.18);
  color: var(--violet-lt);
  border: 1px solid rgba(124,58,237,0.3);
}
.blog-featured-tag { font-size: 0.65rem; color: var(--text-dim); }
.blog-featured-title {
  font-family: var(--font-head);
  font-size: clamp(1.15rem, 1.8vw, 1.5rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.3;
}
.blog-featured-excerpt {
  font-size: 0.9rem;
  color: var(--text);
  line-height: 1.65;
}
.blog-featured-meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.78rem;
  color: var(--text-dim);
}
.blog-featured-meta .dot { color: var(--border-lt); }
.blog-featured-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-head);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--violet-lt);
  margin-top: 0.3rem;
  transition: gap 0.2s;
}
.blog-featured:hover .blog-featured-cta { gap: 0.7rem; }

/* ---- POST GRID ---- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.4rem;
}
.blog-card {
  display: flex;
  flex-direction: column;
  background: var(--dark2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  text-decoration: none;
  transition: border-color 0.25s, transform 0.25s;
}
.blog-card:hover {
  border-color: var(--violet-lt);
  transform: translateY(-3px);
}
.blog-card-img {
  aspect-ratio: 16/9;
  background: var(--dark3);
  overflow: hidden;
  position: relative;
}
.blog-card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s var(--ease-expo);
}
.blog-card:hover .blog-card-img img { transform: scale(1.05); }
.blog-card-img-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--dark3), var(--mid));
  font-size: 2.5rem;
  color: var(--border-lt);
}
.blog-card-body {
  padding: 1.3rem 1.4rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  flex: 1;
}
.blog-card-title {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.35;
}
.blog-card-excerpt {
  font-size: 0.85rem;
  color: var(--text);
  line-height: 1.6;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-top: auto;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border);
}
.blog-card-meta .dot { color: var(--border-lt); }

/* ---- EMPTY STATE ---- */
.blog-empty {
  padding: 4rem 2rem;
  text-align: center;
  color: var(--text-dim);
  grid-column: 1 / -1;
}
.blog-filter-reset {
  margin-top: 1rem;
  background: transparent;
  border: 1px solid var(--border-lt);
  color: var(--violet-lt);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.85rem;
  padding: 0.5rem 1.4rem;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: background 0.2s;
}
.blog-filter-reset:hover { background: rgba(124,58,237,0.12); }

/* ---- SIDEBAR ---- */
.blog-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  position: sticky;
  top: 5.5rem;
}
.sidebar-card {
  background: var(--dark2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.6rem 1.5rem;
}
.sidebar-title {
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 1.1rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid var(--border);
}
.sidebar-body {
  font-size: 0.87rem;
  color: var(--text);
  line-height: 1.65;
  margin-bottom: 1.2rem;
}

/* NEWSLETTER CARD */
.newsletter-card { border-color: rgba(124,58,237,0.35); }
.newsletter-icon {
  font-size: 1.8rem;
  margin-bottom: 0.8rem;
}
.newsletter-form { display: flex; flex-direction: column; gap: 0.65rem; }
.nl-input {
  background: var(--dark3);
  border: 1px solid var(--border);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.88rem;
  padding: 0.7rem 1rem;
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color 0.2s;
}
.nl-input::placeholder { color: var(--text-dim); }
.nl-input:focus { border-color: var(--violet-lt); }
.nl-btn {
  background: var(--grad);
  color: #fff;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.88rem;
  padding: 0.75rem 1rem;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: opacity 0.2s, transform 0.15s;
  margin-top: 0.2rem;
}
.nl-btn:hover { opacity: 0.9; transform: translateY(-1px); }
.nl-btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }
.nl-note {
  font-size: 0.82rem;
  text-align: center;
  min-height: 1.2rem;
}
.nl-privacy {
  font-size: 0.73rem;
  color: var(--text-dim);
  text-align: center;
  margin-top: 0.7rem;
}

/* CATEGORIES */
.sidebar-cat-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.sidebar-cat-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.45rem 0.8rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.87rem;
  color: var(--text);
  transition: background 0.15s, color 0.15s;
}
.sidebar-cat-item:hover { background: rgba(124,58,237,0.1); color: var(--white); }
.sidebar-cat-item.active { background: rgba(124,58,237,0.15); color: var(--violet-lt); font-weight: 600; }
.sidebar-cat-count {
  font-size: 0.72rem;
  background: var(--dark3);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 0.15rem 0.55rem;
  color: var(--text-dim);
}

/* AUTHORS */
.sidebar-author {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.6rem 0;
}
.sidebar-author + .sidebar-author { border-top: 1px solid var(--border); }
.sidebar-author-photo {
  width: 44px; height: 44px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  border: 2px solid var(--border-lt);
  background: var(--dark3);
}
.sidebar-author-photo.photo-fallback {
  background: var(--grad);
}
.sidebar-author-photo img { width: 100%; height: 100%; object-fit: cover; }
.sidebar-author-name {
  display: block;
  font-size: 0.88rem;
  color: var(--white);
  font-weight: 600;
  line-height: 1.3;
}
.sidebar-author-role {
  display: block;
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* CTA CARD */
.sidebar-cta-card {
  background: linear-gradient(135deg, rgba(124,58,237,0.15), rgba(37,99,235,0.12));
  border-color: rgba(124,58,237,0.4);
  text-align: center;
}
.sidebar-cta-text {
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--white);
  line-height: 1.45;
  margin-bottom: 1.2rem;
}
.sidebar-cta-btn { display: block; text-align: center; }

/* ---- POST PAGE ---- */
.post-main {
  padding-top: 6rem;
  padding-bottom: 5rem;
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 4rem;
  align-items: start;
}

.post-article { min-width: 0; }

.post-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-head);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-dim);
  text-decoration: none;
  margin-bottom: 2.2rem;
  transition: color 0.2s;
}
.post-back:hover { color: var(--violet-lt); }

.post-header { margin-bottom: 2rem; }
.post-header-meta {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-bottom: 1.2rem;
}
.post-title {
  font-family: var(--font-head);
  font-size: clamp(1.7rem, 3.5vw, 2.6rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 1rem;
}
.post-meta-row {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.85rem;
  color: var(--text-dim);
}
.post-meta-row .dot { color: var(--border-lt); }
.post-author-chip {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.post-author-chip-photo {
  width: 28px; height: 28px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--dark3);
  border: 1px solid var(--border-lt);
}
.post-author-chip-photo img { width: 100%; height: 100%; object-fit: cover; }

.post-cover {
  width: 100%;
  aspect-ratio: 16/8;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 2.5rem;
  background: var(--dark3);
}
.post-cover img { width: 100%; height: 100%; object-fit: cover; }
.post-cover-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--dark3), var(--mid));
  font-size: 5rem;
  color: var(--border-lt);
}

/* POST BODY TYPOGRAPHY */
.post-body {
  font-size: 1.02rem;
  line-height: 1.82;
  color: var(--text);
}
.post-body h2 {
  font-family: var(--font-head);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--white);
  margin: 2.2rem 0 0.9rem;
  line-height: 1.3;
}
.post-body h3 {
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--white);
  margin: 1.8rem 0 0.7rem;
}
.post-body p { margin-bottom: 1.2rem; }
.post-body ul, .post-body ol {
  padding-left: 1.5rem;
  margin-bottom: 1.2rem;
}
.post-body li { margin-bottom: 0.4rem; }
.post-body strong { color: var(--white); font-weight: 600; }
.post-body em { color: var(--violet-lt); font-style: normal; }
.post-body blockquote {
  border-left: 3px solid var(--violet);
  padding: 0.8rem 1.4rem;
  margin: 1.8rem 0;
  background: rgba(124,58,237,0.07);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-family: var(--font-head);
  font-style: italic;
  color: var(--white);
  font-size: 1.05rem;
}
.post-body a {
  color: var(--violet-lt);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Post tags */
.post-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}
.post-tag {
  font-family: var(--font-head);
  font-size: 0.73rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 0.3rem 0.85rem;
  border-radius: var(--radius-pill);
  background: var(--dark3);
  border: 1px solid var(--border);
  color: var(--text-dim);
}

/* Post CTA box */
.post-cta-box {
  margin-top: 3rem;
  padding: 2rem;
  background: linear-gradient(135deg, rgba(124,58,237,0.12), rgba(37,99,235,0.1));
  border: 1px solid rgba(124,58,237,0.35);
  border-radius: var(--radius-lg);
  text-align: center;
}
.post-cta-box h3 {
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.7rem;
}
.post-cta-box p {
  font-size: 0.9rem;
  color: var(--text);
  margin-bottom: 1.3rem;
}

/* Related posts */
.post-related { margin-top: 3.5rem; }
.post-related-title {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 1.2rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid var(--border);
}
.post-related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

/* Post sidebar (reuses sidebar-card) */
.post-sidebar {
  position: sticky;
  top: 5.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* ---- BLOG FOOTER ---- */
.blog-footer {
  background: var(--dark2);
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
}
.blog-footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.blog-footer-copy { font-size: 0.82rem; color: var(--text-dim); }
.blog-footer-links {
  display: flex;
  gap: 1.5rem;
}
.blog-footer-links a {
  font-size: 0.82rem;
  color: var(--text-dim);
  transition: color 0.2s;
}
.blog-footer-links a:hover { color: var(--violet-lt); }

/* ---- RESPONSIVE ---- */
@media (max-width: 1024px) {
  .blog-main    { grid-template-columns: 1fr; }
  .blog-sidebar { position: static; }
  .post-main    { grid-template-columns: 1fr; }
  .post-sidebar { position: static; }
  .blog-featured { grid-template-columns: 1fr; }
  .blog-featured-img { aspect-ratio: 16/7; }
}
@media (max-width: 640px) {
  .blog-grid { grid-template-columns: 1fr; }
  .post-related-grid { grid-template-columns: 1fr; }
  .blog-footer-inner { flex-direction: column; text-align: center; }
  .blog-hero { padding: 7rem 0 3.5rem; }
}