/* ============================================================
   Pimienta Menta — Blog Styles
   Extiende el design system de styles.css del landing.
   ============================================================ */

/* ─── Reading Progress Bar ─── */
#reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--coral));
  z-index: 200;
  width: 0%;
  transition: width .1s linear;
}

/* ─── Blog Index ─── */
.blog-hero {
  padding: 9rem 0 5rem;
  text-align: center;
  position: relative;
}
.blog-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(62,207,160,.08) 0%, transparent 70%);
  pointer-events: none;
}
.blog-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 700;
  letter-spacing: -.03em;
  line-height: 1.1;
  margin-bottom: 1rem;
}
.blog-hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 580px;
  margin: 0 auto 2.5rem;
  line-height: 1.6;
}

/* ─── Pillar Filter Tabs ─── */
.pillar-tabs {
  display: flex;
  gap: .5rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 3.5rem;
}
.pillar-tab {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .45rem 1rem;
  border-radius: 999px;
  font-size: .8rem;
  font-weight: 600;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all .2s;
  text-decoration: none;
}
.pillar-tab:hover,
.pillar-tab.active {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}

/* ─── Blog Card Grid ─── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.75rem;
  margin-bottom: 4rem;
}

.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all .3s;
  display: flex;
  flex-direction: column;
  text-decoration: none;
}
.blog-card:hover {
  border-color: var(--accent);
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0,0,0,.4), 0 0 0 1px rgba(62,207,160,.1);
}

.blog-card-cover {
  height: 190px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4.5rem;
  position: relative;
  overflow: hidden;
}
.blog-card-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 40%, var(--bg-card));
}

.blog-card-body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-bottom: .85rem;
}
.blog-card-pillar {
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .1em;
  padding: .25rem .6rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid rgba(62,207,160,.2);
}
.blog-card-pillar.coral {
  background: var(--coral-soft);
  color: var(--coral);
  border-color: rgba(255,107,107,.2);
}
.blog-card-read {
  font-size: .75rem;
  color: var(--text-muted);
  margin-left: auto;
}

.blog-card h2 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1.35;
  margin-bottom: .65rem;
  color: var(--text);
}
.blog-card p {
  font-size: .88rem;
  color: var(--text-secondary);
  line-height: 1.55;
  flex: 1;
}
.blog-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-soft);
  font-size: .8rem;
  color: var(--text-muted);
}
.blog-card-cta {
  color: var(--accent);
  font-weight: 600;
  font-size: .82rem;
}

/* ─── Featured Card ─── */
.blog-card-featured {
  grid-column: 1 / -1;
  flex-direction: row;
  gap: 0;
  min-height: 260px;
}
.blog-card-featured .blog-card-cover {
  width: 380px;
  min-width: 380px;
  height: auto;
  border-radius: 0;
}
.blog-card-featured .blog-card-body {
  padding: 2rem 2.25rem;
}
.blog-card-featured h2 {
  font-size: 1.5rem;
}

/* ─── Article Layout ─── */
.article-hero {
  padding: 8.5rem 0 4rem;
  position: relative;
}
.article-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 50% at 50% 0%, rgba(62,207,160,.07) 0%, transparent 65%);
  pointer-events: none;
}

.article-wrap {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 3.5rem;
  align-items: start;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.article-main {}

.article-header {
  margin-bottom: 3rem;
}
.article-breadcrumb {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .8rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}
.article-breadcrumb a { color: var(--text-muted); }
.article-breadcrumb a:hover { color: var(--accent); }
.article-breadcrumb span { color: var(--border); }

.article-pillar-badge {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .12em;
  padding: .3rem .75rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid rgba(62,207,160,.25);
  margin-bottom: 1.25rem;
}

.article-title {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4.5vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -.025em;
  line-height: 1.15;
  margin-bottom: 1rem;
}

.article-lead {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 1.75rem;
  border-left: 3px solid var(--accent);
  padding-left: 1.25rem;
}

.article-meta-bar {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1rem 0;
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
  font-size: .82rem;
  color: var(--text-muted);
}
.article-meta-bar span { display: flex; align-items: center; gap: .35rem; }

/* ─── Article Content ─── */
.article-content {
  font-size: 1.02rem;
  line-height: 1.75;
  color: var(--text-secondary);
}
.article-content h2 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text);
  margin: 2.5rem 0 1rem;
  letter-spacing: -.02em;
}
.article-content h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text);
  margin: 2rem 0 .75rem;
}
.article-content p { margin-bottom: 1.25rem; }
.article-content strong { color: var(--text); font-weight: 600; }
.article-content em { color: var(--accent); font-style: normal; }
.article-content a { color: var(--accent); text-decoration: underline; }
.article-content ul, .article-content ol {
  margin: 1.25rem 0 1.25rem 1.5rem;
}
.article-content li { margin-bottom: .5rem; }
.article-content ul li::marker { color: var(--accent); }
.article-content ol li::marker { color: var(--accent); font-weight: 700; }

/* ─── Callout Boxes ─── */
.callout {
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin: 1.75rem 0;
  border-left: 4px solid;
  font-size: .95rem;
  line-height: 1.6;
}
.callout-icon {
  font-size: 1.2rem;
  margin-bottom: .5rem;
  display: block;
}
.callout-title {
  font-weight: 700;
  color: var(--text);
  margin-bottom: .4rem;
  font-family: var(--font-display);
}
.callout-stat {
  background: linear-gradient(135deg, rgba(62,207,160,.08), rgba(62,207,160,.04));
  border-color: var(--accent);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin: 1.75rem 0;
  text-align: center;
}
.callout-stat-number {
  font-family: var(--font-display);
  font-size: 2.75rem;
  font-weight: 700;
  color: var(--accent);
  display: block;
  line-height: 1;
  margin-bottom: .35rem;
}
.callout-stat-label {
  font-size: .88rem;
  color: var(--text-secondary);
}
.callout-tip {
  background: rgba(62,207,160,.06);
  border-color: var(--accent);
}
.callout-warning {
  background: rgba(255,107,107,.06);
  border-color: var(--coral);
}
.callout-warning .callout-title { color: var(--coral); }

/* ─── Data Table ─── */
.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.75rem 0;
  font-size: .88rem;
}
.data-table th {
  background: var(--bg-elevated);
  color: var(--text);
  font-weight: 600;
  padding: .75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-display);
}
.data-table td {
  padding: .7rem 1rem;
  border-bottom: 1px solid var(--border-soft);
  color: var(--text-secondary);
  vertical-align: top;
}
.data-table tr:hover td { background: var(--bg-elevated); }
.data-table .check { color: var(--accent); font-weight: 700; }
.data-table .x { color: var(--coral); }
.data-table .highlight td { background: rgba(62,207,160,.05); color: var(--text); }

/* ─── Steps List ─── */
.steps-list {
  list-style: none;
  margin: 1.5rem 0;
  counter-reset: steps;
}
.steps-list li {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 1rem;
  margin-bottom: 1.25rem;
  counter-increment: steps;
}
.steps-list li::before {
  content: counter(steps);
  width: 42px;
  height: 42px;
  background: var(--accent);
  color: #000714;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 0 20px var(--accent-glow);
}
.step-body strong {
  display: block;
  color: var(--text);
  font-weight: 600;
  margin-bottom: .2rem;
  font-size: 1rem;
}
.step-body p {
  font-size: .9rem;
  color: var(--text-secondary);
  margin: 0;
}

/* ─── In-article CTA ─── */
.article-cta-box {
  background: linear-gradient(135deg, rgba(62,207,160,.08) 0%, rgba(62,207,160,.03) 100%);
  border: 1px solid rgba(62,207,160,.25);
  border-radius: var(--radius-lg);
  padding: 2rem 2.25rem;
  margin: 2.5rem 0;
  text-align: center;
}
.article-cta-box h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: .65rem;
}
.article-cta-box p {
  font-size: .95rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  line-height: 1.6;
}
.article-cta-box .btn { margin: 0 auto; }

/* ─── Sidebar ─── */
.article-sidebar {
  position: sticky;
  top: 6.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.sidebar-toc {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}
.sidebar-toc h4 {
  font-family: var(--font-display);
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}
.toc-list a {
  font-size: .82rem;
  color: var(--text-secondary);
  line-height: 1.4;
  display: block;
  padding: .3rem .6rem;
  border-radius: var(--radius-sm);
  transition: all .2s;
  border-left: 2px solid transparent;
}
.toc-list a:hover,
.toc-list a.active {
  color: var(--accent);
  background: var(--accent-soft);
  border-left-color: var(--accent);
}

.sidebar-pm-card {
  background: linear-gradient(135deg, rgba(62,207,160,.08), var(--bg-card));
  border: 1px solid rgba(62,207,160,.2);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-align: center;
}
.sidebar-pm-card .pm-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--accent);
  margin-bottom: .35rem;
}
.sidebar-pm-card p {
  font-size: .82rem;
  color: var(--text-secondary);
  margin-bottom: 1.1rem;
  line-height: 1.5;
}
.sidebar-pm-card .btn {
  width: 100%;
  justify-content: center;
  font-size: .82rem;
  padding: .65rem 1rem;
}

/* ─── Author / Next Articles ─── */
.article-footer-section {
  max-width: 1100px;
  margin: 4rem auto 0;
  padding: 0 1.5rem 6rem;
}
.article-divider {
  border: none;
  border-top: 1px solid var(--border-soft);
  margin: 3rem 0;
}

.author-card {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem 2rem;
  margin-bottom: 3rem;
}
.author-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #6FE5C0);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  flex-shrink: 0;
}
.author-info strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--text);
  margin-bottom: .25rem;
}
.author-info p {
  font-size: .85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}
.related-label {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 1.25rem;
}
.related-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  text-decoration: none;
  display: block;
  transition: all .25s;
}
.related-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}
.related-card-pillar {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--accent);
  margin-bottom: .5rem;
}
.related-card h4 {
  font-family: var(--font-display);
  font-size: .95rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.35;
  margin-bottom: .5rem;
}
.related-card span {
  font-size: .78rem;
  color: var(--accent);
  font-weight: 600;
}

/* ─── Bottom CTA ─── */
.article-bottom-cta {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  text-align: center;
  margin-top: 2rem;
}
.article-bottom-cta h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: .75rem;
}
.article-bottom-cta p {
  color: var(--text-secondary);
  font-size: .95rem;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}
.article-bottom-cta .cta-trust {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-top: 1rem;
  font-size: .78rem;
  color: var(--text-muted);
}

/* ─── Responsive ─── */
@media (max-width: 900px) {
  .article-wrap {
    grid-template-columns: 1fr;
  }
  .article-sidebar {
    position: static;
    order: -1;
  }
  .sidebar-toc { display: none; }
  .blog-card-featured {
    flex-direction: column;
  }
  .blog-card-featured .blog-card-cover {
    width: 100%;
    height: 200px;
    min-width: unset;
  }
}
@media (max-width: 600px) {
  .blog-grid {
    grid-template-columns: 1fr;
  }
  .article-cta-box {
    padding: 1.5rem 1.25rem;
  }
  .author-card {
    flex-direction: column;
    text-align: center;
  }
}