:root {
  --serif: 'Playfair Display', Georgia, serif;
  --sans: 'DM Sans', system-ui, sans-serif;
  --verde: #2d6a4f;
  --ink900: #111827;
  --ink700: #374151;
  --gris: #6b7280;
  --g200: #e5e7eb;
  --g100: #f3f4f6;
  --borde: #e5e7eb;
  --cream: #fdfbf7;
  --r: 10px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  color: var(--ink900);
  background: var(--cream);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── NAV ─────────────────────────────────── */
.blog-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--borde);
  background: #fff;
  position: sticky;
  top: 0;
  z-index: 10;
}

.blog-nav-logo {
  font-family: var(--serif);
  font-size: 1.25rem;
  color: var(--ink900);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.blog-nav-logo span { color: var(--verde); }

.blog-nav-back {
  font-size: .85rem;
  color: var(--gris);
  text-decoration: none;
  transition: color .15s;
}

.blog-nav-back:hover { color: var(--verde); }

/* ── ARTICLE PAGE ────────────────────────── */
.blog-article {
  max-width: 720px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 5rem;
}

.blog-hero-img {
  width: 100%;
  max-height: 440px;
  object-fit: cover;
  border-radius: 12px;
  margin-bottom: 2rem;
}

.blog-article-meta {
  display: flex;
  gap: 1rem;
  align-items: center;
  margin-bottom: 1rem;
  font-size: .82rem;
  color: var(--gris);
}

.blog-lang-badge {
  background: var(--g100);
  border: 1px solid var(--borde);
  border-radius: 4px;
  padding: .1rem .4rem;
  font-size: .75rem;
}

.blog-article > h1 {
  font-family: var(--serif);
  font-size: clamp(1.75rem, 5vw, 2.6rem);
  line-height: 1.15;
  margin-bottom: 2rem;
  color: var(--ink900);
  letter-spacing: -0.02em;
}

/* Article content typography */
.blog-article-content h2 {
  font-family: var(--serif);
  font-size: 1.6rem;
  margin: 2.5rem 0 .75rem;
  color: var(--ink900);
  letter-spacing: -0.01em;
}

.blog-article-content h3 {
  font-family: var(--serif);
  font-size: 1.25rem;
  margin: 2rem 0 .6rem;
  color: var(--ink900);
}

.blog-article-content h4 {
  font-size: 1rem;
  font-weight: 600;
  margin: 1.5rem 0 .5rem;
}

.blog-article-content p {
  margin-bottom: 1.4rem;
  color: var(--ink700);
  font-size: 1.05rem;
  line-height: 1.85;
}

.blog-article-content ul,
.blog-article-content ol {
  margin: .5rem 0 1.4rem 1.75rem;
  color: var(--ink700);
  font-size: 1.05rem;
  line-height: 1.8;
}

.blog-article-content li { margin-bottom: .4rem; }

.blog-article-content strong { color: var(--ink900); font-weight: 600; }
.blog-article-content em { font-style: italic; }

.blog-article-content a {
  color: var(--verde);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.blog-article-content a:hover { opacity: .75; }

.blog-article-content img {
  width: 100%;
  border-radius: 8px;
  margin: 1.75rem 0;
  display: block;
}

.blog-article-content blockquote {
  border-left: 3px solid var(--verde);
  padding: .75rem 1.25rem;
  margin: 1.75rem 0;
  background: var(--g100);
  border-radius: 0 8px 8px 0;
  color: var(--ink700);
  font-style: italic;
}

.blog-article-content hr {
  border: none;
  border-top: 1px solid var(--borde);
  margin: 2.5rem 0;
}

.blog-article-content code {
  font-family: monospace;
  background: var(--g100);
  padding: .15em .35em;
  border-radius: 4px;
  font-size: .9em;
}

/* ── BLOG INDEX ──────────────────────────── */
.blog-index {
  max-width: 960px;
  margin: 0 auto;
  padding: 3rem 1.5rem 5rem;
}

.blog-index-header {
  text-align: center;
  margin-bottom: 3rem;
}

.blog-index-header h1 {
  font-family: var(--serif);
  font-size: clamp(2rem, 5vw, 3rem);
  letter-spacing: -0.02em;
  margin-bottom: .5rem;
}

.blog-index-header p {
  color: var(--gris);
  font-size: 1rem;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.blog-card {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--borde);
  transition: box-shadow .2s, transform .2s;
  text-decoration: none;
  color: inherit;
  display: block;
}

.blog-card:hover {
  box-shadow: 0 8px 28px rgba(0,0,0,.1);
  transform: translateY(-2px);
}

.blog-card-img {
  width: 100%;
  height: 190px;
  object-fit: cover;
  display: block;
}

.blog-card-img-ph {
  width: 100%;
  height: 80px;
  background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
}

.blog-card-body {
  padding: 1.25rem;
}

.blog-card-meta {
  font-size: .75rem;
  color: var(--gris);
  margin-bottom: .5rem;
}

.blog-card h2 {
  font-family: var(--serif);
  font-size: 1.15rem;
  line-height: 1.3;
  margin-bottom: .5rem;
  color: var(--ink900);
  letter-spacing: -0.01em;
}

.blog-card p {
  font-size: .85rem;
  color: var(--gris);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ── FOOTER ──────────────────────────────── */
.blog-footer {
  text-align: center;
  padding: 2rem 1.5rem;
  border-top: 1px solid var(--borde);
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.blog-footer a {
  color: var(--gris);
  text-decoration: none;
  font-size: .85rem;
  transition: color .15s;
}

.blog-footer a:hover { color: var(--verde); }

/* ── RESPONSIVE ──────────────────────────── */
@media (max-width: 640px) {
  .blog-nav { padding: .875rem 1rem; }
  .blog-article { padding: 1.75rem 1rem 3.5rem; }
  .blog-index { padding: 2rem 1rem 3rem; }
  .blog-grid { grid-template-columns: 1fr; }
  .blog-article > h1 { font-size: 1.75rem; }
}