/* =============================================================
   BLOG HERO HEADER
   ============================================================= */
.blog-hero { background-color: var(--c-indigo); background-image: url('../images/stock/aerial-north-mexico-industrial-city.webp'); background-size: cover; background-position: center 40%; padding: 0 var(--pad-h); position: relative; overflow: hidden; }
.blog-hero::before { content: ''; position: absolute; inset: 0; background: rgba(4, 30, 66, 0.88); z-index: 0; }
.blog-hero__content { width: 100%; max-width: var(--max-w); margin: 0 auto; padding: calc(clamp(40px, 5vw, 64px) + 66px) 0 clamp(48px, 6vw, 72px); position: relative; z-index: 1; }
.blog-hero__kicker { font-size: 11px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--c-soft-blue); margin-bottom: 16px; }
.blog-hero__h1 { font-size: clamp(34px, 4vw, 52px); font-weight: 700; line-height: 1.1; letter-spacing: var(--tracking); color: #F2F2F3; max-width: 22ch; margin-bottom: 16px; }
.blog-hero__body { font-size: clamp(15px, 1.3vw, 17px); line-height: 1.55; color: var(--c-dim-dark); max-width: 52ch; }

/* =============================================================
   FEATURED POST
   ============================================================= */
.blog-featured { background: var(--c-surface); padding: var(--pad-v) var(--pad-h) 0; }
.blog-featured__inner { max-width: var(--max-w); margin: 0 auto; }
.blog-featured__card { display: grid; grid-template-columns: 1fr; background: #FFFFFF; border-radius: 12px; overflow: hidden; box-shadow: 0 2px 16px rgba(4, 30, 66, 0.06); }
@media (min-width: 768px) { .blog-featured__card { grid-template-columns: 1fr 1fr; } }
.blog-featured__img-wrap { position: relative; overflow: hidden; }
.blog-featured__img-wrap::before { content: ''; display: block; padding-top: 66.667%; }
.blog-featured__img-wrap img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.blog-featured__body { display: flex; flex-direction: column; justify-content: center; padding: 28px 20px; }
@media (min-width: 768px) { .blog-featured__body { padding: 32px 28px; } }
@media (min-width: 1024px) { .blog-featured__body { padding: 40px 40px; } }
.blog-featured__meta { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.blog-featured__category { font-size: 11px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--c-blue); background: rgba(0, 25, 255, 0.06); padding: 5px 12px; border-radius: 100px; }
.blog-featured__read-time { font-size: 13px; font-weight: 400; color: var(--c-text-muted); }
.blog-featured__title { display: block; font-size: clamp(24px, 3.5vw, 40px); font-weight: 700; line-height: 1.12; letter-spacing: var(--tracking); color: var(--c-navy); margin-bottom: 14px; text-decoration: none; transition: color 180ms var(--ease); }
.blog-featured__title:hover { color: var(--c-blue); }
.blog-featured__excerpt { font-size: 15px; line-height: 1.6; color: var(--c-text-muted); max-width: 48ch; margin-bottom: 24px; }
.blog-featured__author { display: flex; align-items: center; gap: 12px; margin-top: auto; }
.blog-featured__author-avatar { width: 40px; height: 40px; border-radius: 50%; background: var(--c-surface-alt); display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 700; color: var(--c-navy); flex-shrink: 0; }
.blog-featured__author-info { display: flex; flex-direction: column; }
.blog-featured__author-name { font-size: 14px; font-weight: 600; color: var(--c-navy); line-height: 1.3; }
.blog-featured__author-date { font-size: 13px; font-weight: 400; color: var(--c-text-muted); line-height: 1.3; }

/* =============================================================
   CATEGORY FILTER
   ============================================================= */
.blog-filter { background: var(--c-surface); padding: 48px var(--pad-h) 0; }
.blog-filter__inner { max-width: var(--max-w); margin: 0 auto; display: flex; align-items: center; gap: 6px; flex-wrap: wrap; padding-bottom: 32px; border-bottom: 1px solid var(--c-border); }
.blog-filter__btn { font-family: var(--font); font-size: 13px; font-weight: 600; padding: 9px 20px; border-radius: 100px; border: 1px solid var(--c-border); background: transparent; color: var(--c-text-muted); cursor: pointer; white-space: nowrap; transition: color 180ms var(--ease), background 180ms var(--ease), border-color 180ms var(--ease); }
.blog-filter__btn:hover { color: var(--c-navy); border-color: rgba(4, 30, 66, 0.25); background: rgba(4, 30, 66, 0.03); }
.blog-filter__btn.is-active { color: var(--c-blue); border-color: var(--c-blue); background: rgba(0, 25, 255, 0.05); }

/* =============================================================
   BLOG GRID
   ============================================================= */
.blog-grid { background: var(--c-surface); padding: 48px var(--pad-h) var(--pad-v); }
.blog-grid__inner { max-width: var(--max-w); margin: 0 auto; }
.blog-grid__list { display: grid; grid-template-columns: 1fr; gap: 32px; }
@media (min-width: 600px) { .blog-grid__list { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .blog-grid__list { grid-template-columns: repeat(3, 1fr); } }
.post-card { display: flex; flex-direction: column; background: #FFFFFF; border-radius: 10px; overflow: hidden; box-shadow: 0 1px 8px rgba(4, 30, 66, 0.04); transition: box-shadow 220ms var(--ease), transform 220ms var(--ease); }
.post-card:hover { box-shadow: 0 8px 24px rgba(4, 30, 66, 0.08); transform: translateY(-3px); }
.post-card__img-wrap { position: relative; overflow: hidden; }
.post-card__img-wrap::before { content: ''; display: block; padding-top: 66.667%; }
.post-card__img-wrap img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 320ms var(--ease); }
.post-card__img-wrap:hover img { transform: scale(1.03); }
.post-card__body { display: flex; flex-direction: column; flex: 1; padding: 24px; }
.post-card__meta { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.post-card__category { font-size: 11px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--c-blue); background: rgba(0, 25, 255, 0.06); padding: 4px 10px; border-radius: 100px; }
.post-card__read-time { font-size: 12px; font-weight: 400; color: var(--c-text-muted); }
.post-card__title { display: block; font-size: 22px; font-weight: 700; line-height: 1.12; letter-spacing: var(--tracking); color: var(--c-navy); margin-bottom: 14px; text-decoration: none; transition: color 180ms var(--ease); }
.post-card__title:hover { color: var(--c-blue); }
.post-card__excerpt { font-size: 14px; line-height: 1.55; color: var(--c-text-muted); margin-bottom: 20px; flex: 1; }
.post-card__footer { display: flex; align-items: center; justify-content: space-between; margin-top: auto; padding-top: 16px; border-top: 1px solid var(--c-border); }
.post-card__date { font-size: 13px; font-weight: 400; color: var(--c-text-muted); }
.post-card__read-link { font-size: 13px; font-weight: 600; color: var(--c-blue); text-decoration: none; display: flex; align-items: center; gap: 6px; position: relative; }
.post-card__read-link::after { content: ''; position: absolute; left: 0; bottom: -2px; width: 0; height: 1.5px; background: var(--c-blue); transition: width 220ms var(--ease); }
.post-card__read-link:hover::after { width: 100%; }
.post-card__read-link svg { width: 14px; height: 14px; flex-shrink: 0; }

/* =============================================================
   PAGINATION
   ============================================================= */
.blog-pagination { background: var(--c-surface); padding: 0 var(--pad-h) var(--pad-v); }
.blog-pagination__inner { max-width: var(--max-w); margin: 0 auto; display: flex; align-items: center; justify-content: center; gap: 4px; padding-top: 48px; border-top: 1px solid var(--c-border); }
.blog-pagination__btn { font-family: var(--font); font-size: 14px; font-weight: 600; width: 42px; height: 42px; display: flex; align-items: center; justify-content: center; border-radius: 8px; border: 1px solid transparent; background: transparent; color: var(--c-text-muted); cursor: pointer; transition: color 180ms var(--ease), background 180ms var(--ease), border-color 180ms var(--ease); }
.blog-pagination__btn:hover { color: var(--c-navy); background: rgba(4, 30, 66, 0.04); }
.blog-pagination__btn.is-active { color: var(--c-blue); background: rgba(0, 25, 255, 0.06); border-color: rgba(0, 25, 255, 0.15); }
.blog-pagination__btn--arrow { color: var(--c-navy); }
.blog-pagination__btn--arrow:disabled { opacity: 0.3; cursor: not-allowed; }
.blog-pagination__btn--arrow:disabled:hover { background: transparent; }
.blog-pagination__ellipsis { font-size: 14px; color: var(--c-text-muted); width: 42px; height: 42px; display: flex; align-items: center; justify-content: center; }

/* BLOG CTA BG (Se complementa con global.css) */
.cta-section { background-image: url('../images/facilities/collectron-plant-horizontal-cta-dramatic.webp'); }