/* bienestar.la — base stylesheet
   System fonts, minimal CSS, zero JS. Cacheable across all pages. */

:root {
  --ink:        #0d0d0d;
  --ink-soft:   #2a2520;
  --paper:      #f5f0e8;
  --cream:      #ede7d6;
  --highlight:  #c94a2a;
  --highlight2: #2a6cb0;
  --muted:      #6b6358;
  --muted-soft: #a09888;
  --border:     #c8bfae;
  --gold:       #c8972a;
  --dark:       #1a1510;

  --serif: Georgia, 'Times New Roman', 'Iowan Old Style', 'Noto Serif', serif;
  --sans:  -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --mono:  ui-monospace, 'SF Mono', SFMono-Regular, Menlo, Consolas, 'Liberation Mono', monospace;

  --maxw: 1160px;
  --readw: 780px;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

/* ── TOP BAR (sticky) ─────────────────────────────── */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(245, 240, 232, 0.92);
  backdrop-filter: saturate(1.2) blur(8px);
  -webkit-backdrop-filter: saturate(1.2) blur(8px);
  border-bottom: 1px solid var(--border);
}
.topbar-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 900;
  font-style: italic;
  letter-spacing: -0.01em;
  color: var(--ink);
  flex-shrink: 0;
}
.brand .dot { color: var(--highlight); font-style: normal; font-weight: 400; }

.nav {
  display: flex;
  gap: 22px;
  flex: 1;
}
.nav a {
  font-size: 13.5px;
  color: var(--ink-soft);
  font-weight: 500;
  padding: 4px 0;
  position: relative;
  transition: color .15s ease;
}
.nav a:hover { color: var(--highlight); }
.nav a.active { color: var(--highlight); }
.nav a.active::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -16px;
  height: 2px;
  background: var(--highlight);
}

.header-glossary {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink);
  padding: 7px 12px;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 2px;
  transition: border-color .15s ease, color .15s ease;
}
.header-glossary svg { opacity: .65; transition: opacity .15s ease; }
.header-glossary:hover {
  border-color: var(--ink);
  color: var(--highlight);
}
.header-glossary:hover svg { opacity: 1; }

.nav-toggle-cb { display: none; }
.nav-toggle { display: none; }

@media (max-width: 820px) {
  .topbar-inner {
    flex-wrap: wrap;
    gap: 6px;
    padding: 14px 20px;
    align-items: center;
  }
  .brand { order: 1; margin-right: auto; font-size: 20px; }
  .header-glossary {
    order: 2;
    padding: 0;
    gap: 0;
    width: 38px;
    height: 38px;
    border: none;
    background: transparent;
    justify-content: center;
  }
  .header-glossary span { display: none; }
  .header-glossary svg { width: 18px; height: 18px; opacity: .75; }
  .header-glossary:hover { border-color: transparent; }
  .nav-toggle {
    order: 3;
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 38px;
    height: 38px;
    padding: 0;
    border: none;
    background: transparent;
    cursor: pointer;
    box-sizing: border-box;
  }
  .nav-toggle span {
    display: block;
    height: 1.5px;
    width: 22px;
    background: var(--ink);
    border-radius: 1px;
    transition: transform .22s ease, opacity .18s ease;
  }
  .nav {
    order: 4;
    width: calc(100% + 40px);
    margin-left: -20px;
    margin-right: -20px;
    flex-direction: column;
    gap: 0;
    display: none;
    padding: 4px 20px 12px;
    border-top: 1px solid var(--border);
    margin-top: 12px;
    background: rgba(245, 240, 232, 0.98);
  }
  .nav a {
    padding: 16px 2px;
    font-family: var(--serif);
    font-size: 17px;
    font-weight: 700;
    color: var(--ink);
    letter-spacing: -0.01em;
    border-bottom: 1px solid var(--border);
  }
  .nav a:last-child { border-bottom: none; }
  .nav a.active { color: var(--highlight); }
  .nav a.active::after { display: none; }
  .nav-toggle-cb:checked ~ .nav { display: flex; }
  .nav-toggle-cb:checked ~ .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle-cb:checked ~ .nav-toggle span:nth-child(2) { opacity: 0; }
  .nav-toggle-cb:checked ~ .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

/* ── UTILITY ──────────────────────────────────────── */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.narrow { max-width: var(--readw); margin: 0 auto; padding: 0 24px; }

.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--highlight);
  font-weight: 500;
}
.eyebrow-muted { color: var(--muted); }

/* ── EMPTY CATEGORY STATE ────────────────────────── */
.cat-empty { padding: 80px 0 100px; }
.cat-empty .wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
}
.cat-empty-card {
  text-align: center;
  border: 1px solid var(--border);
  padding: 60px 40px;
  background: var(--paper-soft, #fafaf7);
}
.cat-empty-eyebrow {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 18px;
}
.cat-empty-card h2 {
  font-family: var(--serif);
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin: 0 0 18px;
  color: var(--ink);
}
.cat-empty-dek {
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 540px;
  margin: 0 auto 28px;
}
.cat-empty-cta {
  display: inline-flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}
.cat-empty-btn {
  display: inline-block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 12px 22px;
  background: var(--ink);
  color: #fff;
  border: 1px solid var(--ink);
  text-decoration: none;
  transition: background .15s ease, color .15s ease;
}
.cat-empty-btn:hover { background: var(--highlight); border-color: var(--highlight); }
.cat-empty-btn--ghost {
  background: transparent;
  color: var(--ink);
}
.cat-empty-btn--ghost:hover {
  background: var(--ink);
  color: #fff;
}

/* ── BREADCRUMB ──────────────────────────────────── */
.breadcrumb {
  padding: 18px 0 0;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
}
.breadcrumb .wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}
.breadcrumb ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
}
.breadcrumb li {
  display: inline-flex;
  align-items: center;
  margin: 0;
}
.breadcrumb a {
  color: var(--highlight);
  text-decoration: none;
  transition: color .15s ease;
}
.breadcrumb a:hover { color: var(--ink); }
.breadcrumb span[aria-current="page"] {
  color: var(--muted);
}
.breadcrumb span[aria-hidden="true"] {
  color: var(--border);
  margin: 0 10px;
  font-weight: 400;
}

.section-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
}
.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}
.section-label a {
  color: var(--ink);
  font-weight: 600;
  margin-left: auto;
  padding-left: 14px;
  background: var(--paper);
  position: relative;
  z-index: 1;
}
.section-label a:hover { color: var(--highlight); }

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-wrap: balance;
}

/* ── ARTICLE CARDS ────────────────────────────────── */
.card {
  display: block;
  color: var(--ink);
  transition: transform .25s ease;
}
.card:hover { transform: translateY(-2px); }
.card:hover h3 { color: var(--highlight); }

.card-img {
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--cream);
  margin-bottom: 14px;
  position: relative;
}
.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.card:hover .card-img img { transform: scale(1.03); }

.card-cat {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--highlight);
  margin-bottom: 8px;
  font-weight: 500;
}

.card h3 {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 8px;
  transition: color .15s ease;
}
.card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.55;
  margin-bottom: 10px;
}
.card .card-meta {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: .06em;
}

/* ── FEATURED CARD (larger) ───────────────────────── */
.card-featured h3 {
  font-size: clamp(26px, 3.2vw, 40px);
  line-height: 1.1;
  margin-bottom: 14px;
}
.card-featured p {
  font-size: 16px;
  line-height: 1.6;
  margin-bottom: 14px;
}

/* ── CATEGORY COLOR ACCENTS ───────────────────────── */
.cat-salud      { --cat: #2a6cb0; }
.cat-nutricion  { --cat: #2a7a3a; }
.cat-ejercicio  { --cat: #c94a2a; }
.cat-alimentos  { --cat: #a06010; }

.cat-badge {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cat, var(--highlight));
  font-weight: 500;
}

/* ── FOOTER ───────────────────────────────────────── */
footer.site-footer {
  background: var(--dark);
  color: var(--muted-soft);
  margin-top: 100px;
  padding: 56px 24px 32px;
}
.footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid #2a2520;
}
.footer-brand .brand { color: #f5f0e8; font-size: 26px; }
.footer-brand .brand .dot { color: var(--gold); }
.footer-brand p {
  font-size: 13.5px;
  color: var(--muted-soft);
  margin-top: 14px;
  line-height: 1.6;
  max-width: 320px;
}
.footer-col h4 {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
  font-weight: 500;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a {
  font-size: 13.5px;
  color: var(--muted-soft);
  transition: color .15s ease;
}
.footer-col a:hover { color: #f5f0e8; }
.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 18px;
}
.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.14);
  color: var(--muted-soft);
  transition: color .15s ease, border-color .15s ease, background .15s ease;
}
.footer-social a:hover {
  color: var(--gold);
  border-color: var(--gold);
  background: rgba(200,151,42,.08);
}
.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 8px 0 24px;
}
.social-links a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--ink);
  text-decoration: none;
  font-family: var(--serif);
  font-size: 16px;
  transition: border-color .15s ease, color .15s ease;
}
.social-links a:hover {
  color: var(--highlight);
  border-color: var(--highlight);
  text-decoration: none;
}
.social-links svg { flex-shrink: 0; color: var(--highlight); }
.footer-bottom {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 12px;
  font-family: var(--mono);
  color: var(--muted);
  letter-spacing: .04em;
}

@media (max-width: 820px) {
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 480px) {
  .footer-inner { grid-template-columns: 1fr; }
}

/* ── METHODOLOGY STRIP (footer above-footer) ─────── */
.methodology-strip {
  margin: 72px 0 0;
  background: var(--cream, #fafaf2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 48px 0;
}
.methodology-strip .wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 48px;
  align-items: center;
}
.methodology-strip h3 {
  font-family: var(--serif);
  font-size: 30px;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.01em;
}
.methodology-strip h3 em { font-style: italic; color: var(--highlight); }
.methodology-strip p { font-size: 15px; color: var(--ink-soft); line-height: 1.6; }
.methodology-strip .tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 18px;
}
.methodology-strip .tag {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  background: #fff;
  border: 1px solid var(--border);
  padding: 5px 12px;
  color: var(--muted);
  border-radius: 2px;
}
@media (max-width: 720px) {
  .methodology-strip .wrap { grid-template-columns: 1fr; gap: 24px; }
}

/* ── SOURCES DISCLAIMER (below methodology) ──────── */
.sources-disclaimer {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 44px 0 40px;
}
.sources-disclaimer .wrap {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 24px;
}
.sources-disclaimer h4 {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 14px;
}
.sources-disclaimer p {
  font-family: var(--serif);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  margin: 0 0 14px;
  max-width: 760px;
}
.sources-disclaimer .sources-list {
  font-family: var(--serif);
  font-size: 15.5px;
  line-height: 1.55;
  color: var(--ink);
  padding-left: 22px;
  margin: 8px 0 18px;
  max-width: 760px;
}
.sources-disclaimer .sources-list li { margin-bottom: 8px; }
.sources-disclaimer .sources-list strong { font-weight: 800; }
.sources-disclaimer .sources-process {
  font-size: 15px;
  color: var(--ink-soft);
  border-top: 1px solid var(--border);
  padding-top: 16px;
  margin-top: 6px;
}
.sources-disclaimer .sources-disclaimer-bottom {
  font-size: 14.5px;
  color: var(--muted);
  font-style: italic;
  margin-top: 14px;
}
.sources-disclaimer .sources-disclaimer-bottom strong {
  font-style: normal;
  color: var(--ink);
}