:root {
  --black: #0f0f0f;
  --white: #fafaf7;
  --cream: #f2ede4;
  --accent: #c8372d;
  --accent-dark: #9e2820;
  --muted: #888;
  --border: #e0dbd0;

  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;

  --max-w: 860px;
  --gap: 2rem;
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--white);
  color: var(--black);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ─── NAV ─── */
header {
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--white);
  z-index: 100;
}

nav {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gap);
  height: 56px;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  white-space: nowrap;
  color: var(--accent);
}

nav > ul {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  flex: 1;
}

nav a {
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.4rem 0.65rem;
  border-radius: 4px;
  transition: background 0.15s;
  white-space: nowrap;
}
nav a:hover { background: var(--cream); }

/* Dropdown */
.has-dropdown { position: relative; }
.dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem;
  min-width: 220px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  flex-direction: column;
  gap: 0.1rem;
  list-style: none;
}
.has-dropdown:hover .dropdown { display: flex; }
.dropdown li a { display: block; font-size: 0.85rem; border-radius: 4px; }

/* Mobile menu */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
  cursor: pointer;
  margin-left: auto;
}

/* ─── MAIN ─── */
main {
  flex: 1;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 3rem var(--gap);
  width: 100%;
}

/* ─── PAGE HEADER ─── */
.page-header {
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}
.page-header h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
}
.page-header p {
  margin-top: 0.75rem;
  color: var(--muted);
  font-size: 1rem;
}

/* ─── STATS BAR ─── */
.stats {
  display: flex;
  gap: 2rem;
  margin-bottom: 2.5rem;
  padding: 1.25rem 1.5rem;
  background: var(--cream);
  border-radius: 10px;
  flex-wrap: wrap;
}
.stat { display: flex; flex-direction: column; }
.stat-value {
  font-family: var(--font-display);
  font-size: 2rem;
  line-height: 1;
  color: var(--accent);
}
.stat-label { font-size: 0.78rem; color: var(--muted); font-weight: 500; text-transform: uppercase; letter-spacing: 0.05em; margin-top: 0.2rem; }

/* ─── LISTA COMPLETA ─── */
.lista {
  display: flex;
  flex-direction: column;
}

.lista-item {
  display: grid;
  grid-template-columns: 3rem 1fr auto;
  align-items: center;
  gap: 0.75rem;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--border);
  transition: background 0.1s;
}
.lista-item:hover { background: var(--cream); margin: 0 -1rem; padding: 0.8rem 1rem; border-radius: 6px; border-color: transparent; }

.item-num {
  font-size: 0.75rem;
  color: var(--muted);
  font-weight: 500;
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.item-titulo {
  font-size: 0.95rem;
  font-weight: 400;
}

.lista-item.completado .item-titulo { color: var(--muted); text-decoration: line-through; }
.lista-item:not(.completado) .item-titulo { color: var(--black); }
.item-titulo a:hover { color: var(--accent); }
.item-fecha {
  font-size: 0.75rem;
  color: var(--muted);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

/* ─── EXPLORER CONTROLS ─── */
.explorer-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
  margin: 1.5rem 0 0.5rem;
}
.filter-group {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}
.filter-btn {
  font-size: 0.8rem;
  padding: 0.3rem 0.85rem;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--white);
  color: var(--muted);
  cursor: pointer;
  transition: all 0.15s;
}
.filter-btn:hover { border-color: var(--black); color: var(--black); }
.filter-btn.active { background: var(--black); color: var(--white); border-color: var(--black); }
.sort-group select {
  font-size: 0.8rem;
  padding: 0.3rem 0.65rem;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--white);
  color: var(--black);
  cursor: pointer;
}
.results-count {
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

/* ─── CARDS GRID ─── */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.card {
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  transition: box-shadow 0.2s, transform 0.2s;
  background: var(--white);
}
.card:hover { box-shadow: 0 6px 24px rgba(0,0,0,0.08); transform: translateY(-2px); }

.card-img {
  aspect-ratio: 16/9;
  background: var(--cream);
  overflow: hidden;
}
.card-img img { width: 100%; height: 100%; object-fit: cover; }
.card-img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
}

.card-body { padding: 1.1rem 1.25rem 1.25rem; }
.card-num { font-size: 0.72rem; color: var(--muted); font-weight: 500; font-variant-numeric: tabular-nums; margin-bottom: 0.3rem; }
.card-titulo { font-family: var(--font-display); font-size: 1.05rem; line-height: 1.3; }
.card-titulo a:hover { color: var(--accent); }
.card-header-row { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; }
.card-meta { margin-top: 0.75rem; display: flex; align-items: center; gap: 0.5rem; }
.card-fecha { font-size: 0.75rem; color: var(--muted); white-space: nowrap; }
.badge {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.badge-completado { background: #fce8e7; color: var(--accent); }
.badge-pendiente { background: #f0f0ee; color: var(--muted); }
.badge-cat { background: var(--cream); color: var(--black); }

/* ─── SINGLE POST ─── */
.post-header { margin-bottom: 2.5rem; }
.post-num { font-size: 0.85rem; color: var(--muted); font-weight: 500; margin-bottom: 0.5rem; }
.post-titulo {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}
.post-meta { margin-top: 1rem; display: flex; gap: 0.75rem; align-items: center; flex-wrap: wrap; }
.post-fecha { font-size: 0.85rem; color: var(--muted); }

.post-img {
  margin: 2rem 0;
  border-radius: 12px;
  overflow: hidden;
  aspect-ratio: 16/9;
  background: var(--cream);
}
.post-img img { width: 100%; height: 100%; object-fit: cover; }

.post-content {
  font-size: 1.05rem;
  line-height: 1.75;
  color: #2a2a2a;
}
.post-content p { margin-bottom: 1.2em; }
.post-content h2 { font-family: var(--font-display); font-size: 1.5rem; margin: 2em 0 0.5em; }
.post-content h3 { font-family: var(--font-display); font-size: 1.2rem; margin: 1.5em 0 0.5em; }
.post-content a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
.post-content video { width: 100%; max-width: 640px; border-radius: 8px; margin: 1rem 0; display: block; }

.post-nav {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}
.post-nav a {
  font-size: 0.9rem;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  max-width: 45%;
}
.post-nav a:hover { color: var(--accent); }
.post-nav span { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; }

/* ─── CATEGORÍAS ─── */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}
.cat-card {
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  transition: all 0.2s;
}
.cat-card:hover { background: var(--cream); border-color: var(--accent); }
.cat-icon { font-size: 2rem; margin-bottom: 0.75rem; }
.cat-name { font-family: var(--font-display); font-size: 1.1rem; }
.cat-count { font-size: 0.8rem; color: var(--muted); margin-top: 0.25rem; }

/* ─── PERFIL ─── */
.perfil-grid {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 2.5rem;
  align-items: start;
}
.perfil-img img {
  width: 100%;
  border-radius: 8px;
}
.sobre-mi-social {
  display: flex;
  gap: 1.5rem;
  margin-top: 2rem;
}
.sobre-mi-social a {
  font-size: 0.9rem;
  font-weight: 500;
}

/* ─── FOOTER ─── */
footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem var(--gap);
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
}

/* ─── RESPONSIVE ─── */
@media (max-width: 680px) {
  nav > ul { display: none; }
  nav > ul.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 56px;
    left: 0; right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 1rem var(--gap) 1.5rem;
    gap: 0.25rem;
    z-index: 99;
    align-items: flex-start;
  }
  .menu-toggle { display: block; }
  .dropdown { position: static; border: none; box-shadow: none; padding: 0.25rem 0 0 1rem; }
  .has-dropdown:hover .dropdown { display: none; }
  .has-dropdown.open .dropdown { display: flex; }
  .lista-item { grid-template-columns: 2.5rem 1fr auto; }
  .stats { gap: 1.5rem; }
  .perfil-grid { grid-template-columns: 1fr; }
  .perfil-img img { width: 160px; }
}