/* ============================================================
   BLOG — estilos específicos (se apoya en styles.css)
   ============================================================ */

.blog-hero { background: var(--paper-2); padding-top: 132px; padding-bottom: 60px; border-bottom: 1px solid var(--line); }
.blog-hero .wrap { max-width: 820px; }
.blog-hero h1 { font-size: clamp(36px, 5.6vw, 62px); margin-top: 20px; }
.blog-hero h1 em { font-style: italic; color: var(--green); }
.blog-hero .lede { margin-top: 20px; }

/* Post destacado */
.feat-post {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(24px, 4vw, 48px);
  align-items: center; border: 1px solid var(--line); border-radius: 18px; overflow: hidden;
  background: var(--paper-2); transition: transform .25s ease, box-shadow .25s ease;
}
.feat-post:hover { transform: translateY(-4px); box-shadow: 0 30px 60px -34px oklch(0.4 0.04 158 / .5); }
.feat-ph { aspect-ratio: 16/11; background: repeating-linear-gradient(135deg, var(--paper-3) 0 11px, var(--paper-2) 11px 22px); display: flex; align-items: flex-end; }
.feat-ph .ph-label { font-family: var(--mono); font-size: 11px; color: var(--text-muted); padding: 14px 16px; }
.feat-body { padding: 20px 32px 20px 0; }
.cat { font-family: var(--mono); font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--green); }
.feat-body h2 { font-family: var(--serif); font-weight: 500; font-size: clamp(24px, 3vw, 34px); line-height: 1.12; margin-top: 14px; letter-spacing: -0.01em; }
.feat-body p { margin-top: 14px; color: var(--text-muted); font-size: 15.5px; max-width: 50ch; }
.meta-line { display: block; margin-top: 18px; font-family: var(--mono); font-size: 12px; color: var(--text-muted); }

/* Grid de artículos */
.blog-list { background: var(--paper-2); }
.blog-head { margin-bottom: 22px; }

/* Barra de herramientas: buscador + tags en la misma fila */
.blog-toolbar { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; margin-bottom: 34px; }

/* Buscador */
.blog-search { position: relative; flex: 1; min-width: 220px; max-width: 340px; }
.blog-search svg { position: absolute; left: 16px; top: 50%; transform: translateY(-50%); width: 18px; height: 18px; color: var(--text-muted); pointer-events: none; }
.blog-search input {
  width: 100%; font: inherit; font-size: 15px; padding: 12px 16px 12px 44px; border-radius: 100px;
  border: 1.5px solid var(--line); background: var(--paper); color: var(--text); transition: border-color .2s, box-shadow .2s;
}
.blog-search input:focus { outline: none; border-color: var(--green); box-shadow: 0 0 0 4px color-mix(in oklab, var(--green) 18%, transparent); }
.blog-search input::placeholder { color: var(--text-muted); }

/* Filtro de tags */
.tag-filter { display: flex; flex-wrap: wrap; gap: 10px; }
.tag-btn {
  font-family: var(--sans); font-weight: 500; font-size: 14px;
  padding: 9px 18px; border-radius: 100px; color: var(--text-muted);
  border: 1.5px solid var(--line); background: var(--paper); transition: .2s ease;
}
.tag-btn:hover { border-color: var(--green); color: var(--ink); }
.tag-btn.active { background: var(--ink); color: var(--on-dark); border-color: var(--ink); }
.no-results { display: none; color: var(--text-muted); font-size: 15px; padding: 30px 0; text-align: center; }
.no-results.show { display: block; }

.post-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.post-card {
  background: var(--paper); border: 1px solid var(--line); border-radius: 16px; overflow: hidden;
  display: flex; flex-direction: column; transition: transform .25s ease, box-shadow .25s ease;
}
.post-card:hover { transform: translateY(-5px); box-shadow: 0 24px 50px -30px oklch(0.4 0.04 158 / .5); }
.post-ph { aspect-ratio: 16/10; background: repeating-linear-gradient(135deg, var(--paper-3) 0 11px, var(--paper-2) 11px 22px); display: flex; align-items: flex-end; }
.post-ph .ph-label { font-family: var(--mono); font-size: 10.5px; color: var(--text-muted); padding: 10px 12px; }
.post-card .cat { padding: 18px 20px 0; }
.post-card h3 { font-family: var(--serif); font-weight: 500; font-size: 21px; line-height: 1.2; padding: 10px 20px 0; letter-spacing: -0.01em; }
.post-card .meta-line { padding: 14px 20px 20px; margin-top: auto; }

/* Newsletter */
.blog-news { padding-block: clamp(56px, 8vw, 96px); }
.news-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: clamp(30px, 5vw, 60px); align-items: center; }
.news-form { display: flex; gap: 12px; }
.news-form input {
  flex: 1; font: inherit; font-size: 15.5px; padding: 14px 18px; border-radius: 100px;
  border: 1.5px solid var(--line-dark); background: color-mix(in oklab, var(--on-dark) 6%, var(--ink)); color: var(--on-dark);
}
.news-form input::placeholder { color: var(--on-dark-muted); }
.news-form input:focus { outline: none; border-color: var(--green-bright); }

@media (max-width: 940px) {
  .feat-post { grid-template-columns: 1fr; }
  .feat-body { padding: 4px 24px 26px; }
  .post-grid { grid-template-columns: 1fr 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .news-form { flex-direction: column; }
}
@media (max-width: 600px) {
  .post-grid { grid-template-columns: 1fr; }
}