/* =====================================================
   Dr. Faustino Benjamín Rivera López
   Sitio académico estático · estética editorial-territorial
   Oaxaca · Istmo · Corredor Interoceánico
   ===================================================== */

:root {
  /* Paleta "papel" */
  --bg: #fbf8f3;
  --surface: #f3ece0;
  --surface-2: #ffffff;
  --line: #ddd2c1;
  --line-soft: #e7ddcd;

  --ink: #20292b;
  --ink-soft: #4b524f;
  --muted: #5d615b;
  --muted-soft: #8b8f88; /* solo usos decorativos, no texto */

  --clay: #9a3b23;
  --clay-strong: #7f2f1b;
  --clay-bright: #be5a3c;
  --pine: #2b5249;
  --gold: #b07d2a;

  /* Tipografía */
  --display: "Newsreader", Georgia, "Times New Roman", serif;
  --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;

  /* Métricas */
  --sidebar-w: 248px;
  --content-max: 940px;
  --pad-x: clamp(1.4rem, 4vw, 4rem);
  --pad-y: clamp(2.5rem, 6vw, 5rem);

  --radius: 10px;
  --radius-lg: 16px;
  --t-fast: 180ms cubic-bezier(0.2, 0.6, 0.2, 1);
  --t-med: 320ms cubic-bezier(0.2, 0.6, 0.2, 1);

  --shadow: 0 14px 34px -20px rgba(32, 41, 43, 0.32);
  --focus-outline: 2.5px solid var(--pine);
}

/* ----- Reset ----- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  background-image: radial-gradient(rgba(32, 41, 43, 0.035) 1px, transparent 1px);
  background-size: 28px 28px;
}
img, svg, canvas { display: block; max-width: 100%; }
a { color: var(--clay); text-decoration: none; transition: color var(--t-fast); }
a:hover { color: var(--clay-strong); }
p { margin: 0 0 1.1em; }
ul, ol { margin: 0; padding: 0; }

:focus { outline: none; }
:focus-visible {
  outline: var(--focus-outline);
  outline-offset: 3px;
  border-radius: 3px;
}
::selection { background: var(--clay); color: var(--bg); }

/* ----- Tipografía display ----- */
h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 0.5em;
  line-height: 1.13;
  letter-spacing: -0.01em;
  text-wrap: balance;
}
h1 { font-size: clamp(2.3rem, 5vw, 3.9rem); font-weight: 600; }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.5rem); }
h3 { font-size: 1.3rem; }
h4 { font-size: 1.05rem; }

.eyebrow {
  font-family: var(--mono);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--clay);
  margin-bottom: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--clay);
  display: inline-block;
}

.lede {
  font-family: var(--display);
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  line-height: 1.5;
  color: var(--ink-soft);
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0);
  white-space: nowrap; border: 0;
}

/* ----- Skip link ----- */
.skip-link {
  position: absolute;
  top: -100px; left: 1rem;
  background: var(--ink);
  color: var(--bg);
  padding: 0.8rem 1.3rem;
  border-radius: var(--radius);
  font-weight: 600;
  z-index: 1000;
  transition: top var(--t-fast);
}
.skip-link:focus { top: 1rem; color: var(--bg); }

/* =====================================================
   Sidebar fija
   ===================================================== */
.sidebar {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: var(--sidebar-w);
  background: var(--ink);
  color: var(--bg);
  display: flex;
  flex-direction: column;
  padding: 1.8rem 1.4rem;
  z-index: 90;
  overflow-y: auto;
}
.sidebar__brand {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  color: var(--bg);
  margin-bottom: 2.4rem;
}
.sidebar__brand:hover { color: var(--bg); }
.sidebar__brand svg { width: 46px; height: 46px; flex-shrink: 0; }
.sidebar__brand-text {
  font-family: var(--display);
  font-size: 1.05rem;
  line-height: 1.2;
}
.sidebar__brand-text strong {
  display: block;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #e0997a;
  font-weight: 500;
  margin-bottom: 0.25rem;
}
.sidebar__nav { list-style: none; display: grid; gap: 0.1rem; }
.sidebar__nav a {
  display: block;
  color: rgba(251, 248, 243, 0.74);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.6rem 0.7rem;
  border-radius: 8px;
  transition: background var(--t-fast), color var(--t-fast);
}
.sidebar__nav a:hover {
  color: var(--bg);
  background: rgba(251, 248, 243, 0.07);
}
.sidebar__nav a.is-active {
  color: var(--bg);
  background: rgba(190, 90, 60, 0.22);
  box-shadow: inset 2px 0 0 var(--clay-bright);
}
.sidebar__foot {
  margin-top: auto;
  padding-top: 1.6rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: rgba(251, 248, 243, 0.5);
  line-height: 1.7;
}

/* Overlay móvil */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(32, 41, 43, 0.5);
  opacity: 0;
  transition: opacity var(--t-med);
  z-index: 80;
}
.sidebar-overlay.is-open { display: block; opacity: 1; }

/* Hamburguesa */
.nav-toggle {
  display: none;
  position: fixed;
  top: 1rem; right: 1rem;
  width: 46px; height: 46px;
  background: var(--ink);
  border: none;
  border-radius: 10px;
  z-index: 95;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 20px; height: 2px;
  background: var(--bg);
  position: relative;
  transition: transform var(--t-fast), top var(--t-fast), background var(--t-fast);
}
.nav-toggle span::before,
.nav-toggle span::after { content: ""; position: absolute; left: 0; }
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }
.nav-toggle.is-open span { background: transparent; }
.nav-toggle.is-open span::before { top: 0; transform: rotate(45deg); }
.nav-toggle.is-open span::after { top: 0; transform: rotate(-45deg); }

/* =====================================================
   Shell de contenido
   ===================================================== */
.shell { margin-left: var(--sidebar-w); min-height: 100vh; }
.page {
  max-width: var(--content-max);
  margin-inline: auto;
  padding: var(--pad-y) var(--pad-x);
}
.section { padding-block: clamp(2.5rem, 6vw, 4.5rem); }
.section + .section { border-top: 1px solid var(--line); }
.section-head { max-width: 60ch; margin-bottom: 2rem; }
.section-head h2 { margin-top: 0.6rem; }
.section-head .lede { margin-top: 0.8rem; }

/* ----- Botones / chips ----- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.98rem;
  padding: 0.8rem 1.35rem;
  border-radius: var(--radius);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform var(--t-fast), background var(--t-fast), border-color var(--t-fast);
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--clay); color: #fff; }
.btn-primary:hover { background: var(--clay-strong); color: #fff; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--ink); color: var(--ink); }

.chip {
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--ink-soft);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.3rem 0.75rem;
}
.chip-list { display: flex; flex-wrap: wrap; gap: 0.5rem; list-style: none; }

/* =====================================================
   Hero
   ===================================================== */
.hero {
  display: grid;
  grid-template-columns: 1.5fr 0.85fr;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center;
  padding-bottom: clamp(2rem, 5vw, 3.5rem);
  border-bottom: 1px solid var(--line);
}
.hero__sup {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--clay);
  margin-bottom: 1.1rem;
}
.hero h1 { margin-bottom: 0.6rem; }
.hero h1 em {
  display: block;
  font-size: clamp(1.1rem, 2vw, 1.45rem);
  font-style: italic;
  font-weight: 400;
  color: var(--ink-soft);
  margin-top: 0.8rem;
  line-height: 1.4;
}
.hero__rule { border: 0; border-top: 2px solid var(--clay); width: 64px; margin: 1.4rem 0; }
.hero__role { color: var(--ink-soft); max-width: 52ch; }
.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.4rem 2.4rem;
  margin-top: 1.8rem;
}
.hero__meta span {
  display: flex;
  flex-direction: column;
  font-size: 0.85rem;
  color: var(--muted);
}
.hero__meta strong {
  font-family: var(--display);
  font-size: 2rem;
  color: var(--clay);
  font-weight: 600;
  line-height: 1;
  margin-bottom: 0.2rem;
}
.hero__portrait { position: relative; }
.hero__portrait img {
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  aspect-ratio: 4 / 5;
  object-fit: cover;
  box-shadow: var(--shadow);
}
.hero__portrait.no-img::after {
  content: "Coloca aquí: faustino-rivera-lopez.jpg";
  display: grid;
  place-items: center;
  text-align: center;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  border: 1px dashed var(--line);
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
  padding: 1.5rem;
  background: repeating-linear-gradient(135deg, var(--surface), var(--surface) 12px, #efe6d8 12px, #efe6d8 24px);
}
.portrait-tag {
  position: absolute;
  bottom: -12px; left: -12px;
  background: var(--ink);
  color: var(--bg);
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  padding: 0.45rem 0.75rem;
  border-radius: 8px;
}

/* ----- Semblanza ----- */
.about__lead {
  font-family: var(--display);
  font-size: clamp(1.3rem, 2.4vw, 1.7rem);
  font-style: italic;
  color: var(--ink);
  line-height: 1.45;
  max-width: 30ch;
  border-left: 3px solid var(--clay);
  padding-left: 1.2rem;
  margin: 0 0 1.8rem;
}
.about__body { max-width: 68ch; color: var(--ink-soft); }
.dropcap::first-letter {
  font-family: var(--display);
  font-size: 3.4rem;
  font-weight: 600;
  color: var(--clay);
  float: left;
  line-height: 0.8;
  padding: 0.3rem 0.6rem 0 0;
}

/* =====================================================
   Panel de métricas
   ===================================================== */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface-2);
}
.metric-tile {
  padding: 1.6rem 1.4rem;
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.metric-tile:last-child { border-right: 0; }
.metric-tile__label {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.metric-tile__value {
  font-family: var(--display);
  font-size: 2.6rem;
  font-weight: 600;
  color: var(--clay);
  line-height: 1;
}
.metric-tile__unit { font-size: 0.86rem; color: var(--ink-soft); line-height: 1.4; }
.metric-tile__unit em { color: var(--muted); font-style: italic; font-size: 0.8rem; }
.metric-tile__source { font-size: 0.76rem; color: var(--muted); margin-top: auto; padding-top: 0.5rem; }

.cred-badges { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 1.4rem; }
.cred-badge {
  font-family: var(--mono);
  font-size: 0.74rem;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink-soft);
}
.cred-badge--orcid { border-color: var(--pine); color: var(--pine); }
.cred-badge--sni { background: var(--ink); color: var(--bg); border-color: var(--ink); }

/* =====================================================
   Gráfica
   ===================================================== */
.chart-section__head, .map-section__head { max-width: 60ch; margin-bottom: 1.6rem; }
.chart-frame {
  position: relative;
  height: 360px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.4rem;
}
.chart-fallback table, .map-fallback { width: 100%; }
.chart-fallback { margin-top: 1rem; }
table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.9rem;
}
table caption { text-align: left; color: var(--muted); margin-bottom: 0.5rem; font-size: 0.82rem; }
th, td { border: 1px solid var(--line); padding: 0.5rem 0.8rem; text-align: left; }
th { background: var(--surface); font-family: var(--mono); font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.06em; }

/* =====================================================
   Mapa
   ===================================================== */
.map-frame {
  height: 440px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface);
}
.map-fallback {
  padding: 1.2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  color: var(--ink-soft);
  font-size: 0.9rem;
}
.map-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  list-style: none;
  margin-top: 1.1rem;
  font-size: 0.85rem;
  color: var(--ink-soft);
}
.map-legend__item { display: flex; align-items: center; gap: 0.5rem; }
.map-legend__dot { width: 12px; height: 12px; border-radius: 50%; display: inline-block; }
.map-legend__dot--linea1 { background: var(--clay); }
.map-legend__dot--linea2 { background: var(--pine); }
.map-legend__dot--linea3 { background: var(--gold); }
.leaflet-popup-content { font-family: var(--sans); font-size: 0.85rem; }
.leaflet-popup-content .kicker {
  display: block;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clay);
  margin-bottom: 0.3rem;
}
.leaflet-popup-content strong { display: block; font-family: var(--display); font-size: 1rem; margin-bottom: 0.3rem; color: var(--ink); }

/* =====================================================
   Líneas de investigación
   ===================================================== */
.lines__head, .chart-section__head.row, .quick-contact__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.6rem;
}
.lines__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}
.line-card {
  display: flex;
  flex-direction: column;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.6rem;
  color: var(--ink);
  transition: transform var(--t-fast), border-color var(--t-fast), box-shadow var(--t-fast);
  height: 100%;
}
.line-card:hover {
  transform: translateY(-4px);
  border-color: var(--clay);
  box-shadow: var(--shadow);
  color: var(--ink);
}
.line-card__num {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--clay);
  letter-spacing: 0.08em;
}
.line-card h3 { margin: 0.6rem 0; font-size: 1.18rem; }
.line-card p { color: var(--ink-soft); font-size: 0.92rem; }
.line-card__more {
  margin-top: auto;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--clay);
}

/* Detalle de línea (investigacion.html) */
.research-line {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: start;
  padding-block: clamp(2rem, 5vw, 3.5rem);
  border-top: 1px solid var(--line);
  scroll-margin-top: 90px;
}
.research-line__points { list-style: none; display: grid; gap: 0.6rem; margin-top: 1rem; }
.research-line__points li { position: relative; padding-left: 1.4rem; color: var(--ink-soft); }
.research-line__points li::before {
  content: "";
  position: absolute; left: 0; top: 0.6em;
  width: 6px; height: 6px;
  background: var(--clay);
  transform: rotate(45deg);
}

/* =====================================================
   Publicaciones
   ===================================================== */
.pub-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  align-items: center;
  margin-bottom: 1.6rem;
  padding: 1.1rem 1.3rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}
.pub-filters select, .pub-filters input {
  font-family: var(--sans);
  font-size: 0.88rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-2);
  color: var(--ink);
}
.pub-filters input[type="search"] { flex: 1; min-width: 180px; }
.pub-filters button {
  font-family: var(--mono);
  font-size: 0.8rem;
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: transparent;
  color: var(--ink-soft);
  cursor: pointer;
}
.pub-filters button:hover { border-color: var(--ink); }
.pub-status { font-size: 0.85rem; color: var(--muted); margin-bottom: 0.8rem; }
.pub-section-head {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clay);
  margin: 1.8rem 0 0.4rem;
}
.pub-list { list-style: none; }
.pub-item {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: 1.4rem;
  padding-block: 1.4rem;
  border-top: 1px solid var(--line);
}
.pub-item__year { font-family: var(--mono); font-size: 1.2rem; color: var(--clay); }
.pub-item__title { font-family: var(--display); font-size: 1.12rem; font-weight: 500; line-height: 1.3; color: var(--ink); }
.pub-item__venue { color: var(--ink-soft); font-size: 0.92rem; margin-top: 0.3rem; }
.pub-item__venue em { font-family: var(--display); }
.pub-item__role { display: inline-block; margin-top: 0.5rem; font-size: 0.84rem; color: var(--pine); font-weight: 600; }
.pub-item__links { margin-top: 0.6rem; display: flex; flex-wrap: wrap; gap: 0.5rem 1rem; }
.pub-item__links a { font-family: var(--mono); font-size: 0.8rem; }
.pub-empty { padding: 2rem; text-align: center; color: var(--muted); }

/* =====================================================
   Timeline / factlist
   ===================================================== */
.timeline { list-style: none; }
.timeline li {
  position: relative;
  padding: 0 0 1.6rem 1.8rem;
  border-left: 2px solid var(--line);
}
.timeline li:last-child { border-left-color: transparent; padding-bottom: 0; }
.timeline li::before {
  content: "";
  position: absolute; left: -7px; top: 0.3rem;
  width: 12px; height: 12px;
  background: var(--bg);
  border: 2px solid var(--clay);
  border-radius: 50%;
}
.timeline .t-year { font-family: var(--mono); font-size: 0.84rem; color: var(--clay); }
.timeline .t-title { font-family: var(--display); font-size: 1.15rem; font-weight: 500; margin: 0.15rem 0; }
.timeline .t-org { color: var(--ink-soft); font-size: 0.92rem; }

.factlist { list-style: none; border-top: 1px solid var(--line); }
.factlist li {
  display: grid;
  grid-template-columns: 13rem 1fr;
  gap: 1.2rem;
  padding-block: 0.9rem;
  border-bottom: 1px solid var(--line);
}
.factlist .k {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  padding-top: 0.15rem;
}
.factlist .v { color: var(--ink); }
.factlist .v strong { font-weight: 600; }

/* =====================================================
   Tarjetas genéricas / feature
   ===================================================== */
.card-grid { display: grid; gap: 1.2rem; }
.cols-2 { grid-template-columns: repeat(2, 1fr); }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
.card {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.6rem;
}
.card h3 { font-size: 1.15rem; }
.card p { color: var(--ink-soft); font-size: 0.92rem; margin-bottom: 0; }

.feature-card {
  background: var(--ink);
  color: var(--bg);
  border-radius: var(--radius-lg);
  padding: clamp(1.8rem, 4vw, 2.8rem);
}
.feature-card h2, .feature-card h3 { color: var(--bg); }
.feature-card p { color: rgba(251, 248, 243, 0.8); }
.feature-card .eyebrow { color: #e0997a; }
.feature-card .chip {
  background: rgba(251, 248, 243, 0.08);
  border-color: rgba(251, 248, 243, 0.2);
  color: rgba(251, 248, 243, 0.85);
}
.badge-soon {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--gold);
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
}

/* =====================================================
   Contacto
   ===================================================== */
.contact-list { list-style: none; display: grid; gap: 1.1rem; }
.contact-list li { display: grid; grid-template-columns: 8rem 1fr; gap: 1rem; align-items: baseline; }
.contact-list .label {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.quick-contact { padding-block: clamp(2rem, 5vw, 3.5rem); }

/* =====================================================
   Búsqueda interna
   ===================================================== */
.search-wrap { margin-top: 1.2rem; max-width: 560px; }
.search-input {
  width: 100%;
  font-family: var(--sans);
  font-size: 1rem;
  padding: 0.85rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-2);
  color: var(--ink);
}
.search-status { font-size: 0.82rem; color: var(--muted); margin-top: 0.6rem; }
.search-results { list-style: none; margin-top: 0.8rem; display: grid; gap: 0.6rem; max-width: 640px; }
.search-results__hit a {
  display: block;
  padding: 0.9rem 1.1rem;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
}
.search-results__hit a:hover { border-color: var(--clay); color: var(--ink); }
.search-results__meta {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clay);
}
.search-results__title { font-family: var(--display); font-size: 1.05rem; font-weight: 500; margin: 0.2rem 0; }
.search-results__excerpt { font-size: 0.85rem; color: var(--ink-soft); margin: 0; }
.search-results mark { background: rgba(176, 125, 42, 0.3); color: inherit; padding: 0 1px; }
.search-empty { color: var(--muted); padding: 0.8rem; }

/* ----- Footer ----- */
.site-foot {
  margin-top: clamp(3rem, 6vw, 5rem);
  padding-top: 1.6rem;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.5rem;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--muted);
}

/* ----- Reveal ----- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.7s var(--t-med), transform 0.7s var(--t-med); }
.reveal.is-visible { opacity: 1; transform: none; }

/* =====================================================
   Responsive
   ===================================================== */
@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; }
  .hero__portrait { max-width: 320px; }
  .metrics-grid { grid-template-columns: 1fr 1fr; }
  .metric-tile:nth-child(2n) { border-right: 0; }
  .metric-tile { border-bottom: 1px solid var(--line); }
  .lines__grid, .cols-3 { grid-template-columns: 1fr 1fr; }
  .research-line { grid-template-columns: 1fr; gap: 1rem; }
}

@media (max-width: 768px) {
  body { font-size: 16px; }
  :root { --sidebar-w: 0px; }
  .sidebar {
    width: 264px;
    transform: translateX(-100%);
    transition: transform var(--t-med);
  }
  .sidebar.is-open { transform: translateX(0); }
  .nav-toggle { display: flex; }
  .shell { margin-left: 0; }
  .lines__grid, .cols-2, .cols-3, .metrics-grid { grid-template-columns: 1fr; }
  .metric-tile { border-right: 0; }
  .pub-item { grid-template-columns: 1fr; gap: 0.4rem; }
  .factlist li, .contact-list li { grid-template-columns: 1fr; gap: 0.25rem; }
  .page { padding-top: 4.5rem; }
}

@media print {
  .sidebar, .nav-toggle, .sidebar-overlay, .pub-filters, .search-wrap, .map-frame, .chart-frame { display: none !important; }
  .shell { margin-left: 0; }
  body { background: #fff; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* =====================================================
   Informe básico (disclosure interactivo)
   ===================================================== */
.report { margin-top: 1.3rem; }
.report > summary {
  cursor: pointer;
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.92rem;
  padding: 0.7rem 1.2rem;
  border-radius: var(--radius);
  border: 1.5px solid var(--line);
  color: var(--ink);
  background: var(--surface-2);
  transition: border-color var(--t-fast), background var(--t-fast);
}
.report > summary::-webkit-details-marker { display: none; }
.report > summary::after {
  content: "+";
  font-family: var(--mono);
  font-size: 1.1rem;
  line-height: 1;
  color: var(--clay);
}
.report[open] > summary::after { content: "–"; }
.report > summary:hover { border-color: var(--clay); }
.report__body {
  margin-top: 1rem;
  padding: 1.4rem 1.6rem;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  color: var(--ink-soft);
  animation: reportIn 0.35s var(--t-med);
}
.report__body h4 {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clay);
  margin: 0 0 0.6rem;
}
.report__body p { margin: 0 0 0.9rem; }
.report__body p:last-child { margin-bottom: 0; }
.report__stats { list-style: none; margin: 0 0 1rem; }
.report__stats li {
  display: flex;
  justify-content: space-between;
  gap: 1.2rem;
  padding: 0.5rem 0;
  border-bottom: 1px dashed var(--line);
  font-size: 0.9rem;
}
.report__stats li:last-child { border-bottom: 0; }
.report__stats .k { color: var(--muted); }
.report__stats .v { color: var(--ink); font-weight: 600; text-align: right; }
.report__note {
  font-size: 0.82rem;
  color: var(--muted);
  border-left: 3px solid var(--gold);
  padding-left: 0.9rem;
}
/* Variante sobre tarjeta oscura */
.feature-card .report > summary {
  background: rgba(251, 248, 243, 0.1);
  color: var(--bg);
  border-color: rgba(251, 248, 243, 0.28);
}
.feature-card .report > summary::after { color: #e7c98a; }
.feature-card .report > summary:hover { border-color: var(--bg); }
@keyframes reportIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  .report__body { animation: none; }
}

/* =====================================================
   Correcciones de auditoría UX/UI
   ===================================================== */

/* A11y · foco visible sobre fondos oscuros (sidebar) */
.sidebar :focus-visible,
.nav-toggle:focus-visible,
.feature-card a:focus-visible {
  outline: 2.5px solid #e7c98a;
  outline-offset: 3px;
}

/* Robustez · si no hay JS, mostrar contenido revelado */
.no-js .reveal { opacity: 1 !important; transform: none !important; }

/* Enlaces visitados y subrayado en prosa (no depender solo del color) */
a:visited { color: #7a5347; }
.about__body a, .report__body a, .hero__role a,
.research-line__points a, .contact-list a, .factlist .v a { text-decoration: underline; }
.sidebar a:visited, .btn:visited, .line-card:visited, .cred-badge:visited { color: inherit; }

/* Aviso de pestaña nueva (inyectado por JS) */
.ext-hint { /* usa .sr-only visualmente */ }

/* =====================================================
   Observatorio · índice + filtros (sticky)
   ===================================================== */
.observ-controls {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(251, 248, 243, 0.92);
  backdrop-filter: blur(8px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1rem 1.2rem;
  margin-bottom: 1.5rem;
  display: grid;
  gap: 0.9rem;
}
.observ-ejes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}
.observ-ejes a {
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface-2);
  color: var(--ink-soft);
  transition: border-color var(--t-fast), background var(--t-fast), color var(--t-fast);
}
.observ-ejes a:hover { border-color: var(--clay); color: var(--clay); }
.observ-ejes a.is-active {
  background: var(--clay);
  border-color: var(--clay);
  color: #fff;
}
.observ-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
}
.observ-filters input[type="search"] {
  flex: 1;
  min-width: 200px;
  font-family: var(--sans);
  font-size: 0.92rem;
  padding: 0.6rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-2);
  color: var(--ink);
}
.observ-tipos { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.observ-tipos button {
  font-family: var(--mono);
  font-size: 0.74rem;
  padding: 0.45rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: transparent;
  color: var(--ink-soft);
  cursor: pointer;
  transition: border-color var(--t-fast), background var(--t-fast), color var(--t-fast);
}
.observ-tipos button:hover { border-color: var(--ink); }
.observ-tipos button.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--bg);
}
.observ-count {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
  margin-left: auto;
}
.observ-card.is-hidden { display: none !important; }
.section.is-hidden { display: none !important; }

/* Botón volver arriba */
.to-top {
  position: fixed;
  right: 1.2rem;
  bottom: 1.2rem;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--bg);
  border: none;
  cursor: pointer;
  font-size: 1.2rem;
  line-height: 1;
  display: grid;
  place-items: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--t-fast), transform var(--t-fast), visibility var(--t-fast);
  box-shadow: var(--shadow);
  z-index: 60;
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.to-top:focus-visible { outline: 2.5px solid #e7c98a; outline-offset: 3px; }

@media (max-width: 768px) {
  .observ-count { margin-left: 0; }
}

/* Desfase de anclas bajo la barra sticky del Observatorio */
.section[id^="eje-"] { scroll-margin-top: 84px; }

/* =====================================================
   Segunda pasada de auditoría
   ===================================================== */

/* 3.1/3.2 · Responsive de tablet y pantallas pequeñas */
@media (max-width: 1100px) {
  :root { --sidebar-w: 208px; }
  .sidebar { padding: 1.5rem 1.1rem; }
}
@media (max-width: 520px) {
  .chart-frame { height: 300px; }
  .map-frame { height: 340px; }
  .observ-controls { padding: 0.85rem 0.9rem; }
  .metric-tile { padding: 1.2rem 1.1rem; }
}

/* 2.8/6.1 · Panorama del Observatorio (barras CSS, sin librería) */
.observ-panorama {
  display: grid;
  gap: 0.5rem;
  margin-top: 1.6rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface-2);
  padding: 1.3rem 1.5rem;
}
.observ-panorama h3 {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.4rem;
}
.pano-row {
  display: grid;
  grid-template-columns: 9rem 1fr 2.2rem;
  align-items: center;
  gap: 0.8rem;
  color: var(--ink);
  padding: 0.25rem 0;
}
.pano-row:hover .pano-bar span { filter: brightness(0.92); }
.pano-row .pano-label { font-size: 0.86rem; font-weight: 600; }
.pano-bar { background: var(--surface); border-radius: 999px; height: 12px; overflow: hidden; }
.pano-bar span { display: block; height: 100%; border-radius: 999px; transition: width 0.8s var(--t-med); }
.pano-row .pano-val { font-family: var(--mono); font-size: 0.82rem; color: var(--ink-soft); text-align: right; }
@media (max-width: 620px) {
  .pano-row { grid-template-columns: 7rem 1fr 1.8rem; gap: 0.5rem; }
  .pano-row .pano-label { font-size: 0.78rem; }
}

/* 2.8 · Acordeón por eje */
.section-head { position: relative; }
.eje-toggle {
  position: absolute;
  top: 0;
  right: 0;
  font-family: var(--mono);
  font-size: 0.74rem;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-2);
  color: var(--ink-soft);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.eje-toggle:hover { border-color: var(--clay); color: var(--clay); }
.eje-toggle::after { content: "–"; font-size: 1rem; line-height: 1; color: var(--clay); }
.section.eje-collapsed .eje-toggle::after { content: "+"; }
.section.eje-collapsed .card-grid { display: none; }
.section.eje-collapsed .section-head .lede { display: none; }

/* Controles globales del Observatorio (segunda fila) */
.observ-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.observ-actions button {
  font-family: var(--mono);
  font-size: 0.74rem;
  padding: 0.45rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: transparent;
  color: var(--ink-soft);
  cursor: pointer;
}
.observ-actions button:hover { border-color: var(--ink); }

/* 6.2/6.3 · Controles de gráfica y mapa en la portada */
.viz-controls { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 0 0 1rem; }
.viz-controls button {
  font-family: var(--mono);
  font-size: 0.76rem;
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--ink-soft);
  cursor: pointer;
  transition: border-color var(--t-fast), background var(--t-fast), color var(--t-fast);
}
.viz-controls button:hover { border-color: var(--ink); }
.viz-controls button.is-active { background: var(--clay); border-color: var(--clay); color: #fff; }
.viz-controls .map-line[data-linea="1"].is-active { background: var(--clay); border-color: var(--clay); }
.viz-controls .map-line[data-linea="2"].is-active { background: var(--pine); border-color: var(--pine); }
.viz-controls .map-line[data-linea="3"].is-active { background: var(--gold); border-color: var(--gold); color: var(--ink); }

/* Siglas (abbr) y glosario */
abbr[title] {
  text-decoration: underline dotted;
  text-underline-offset: 2px;
  cursor: help;
}
.glossary {
  margin-top: 1.6rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.4rem 2rem;
  border-top: 1px solid var(--line);
  padding-top: 1.4rem;
}
.glossary div {
  display: grid;
  grid-template-columns: 5.5rem 1fr;
  gap: 0.8rem;
  padding: 0.35rem 0;
  border-bottom: 1px dashed var(--line);
  font-size: 0.88rem;
}
.glossary dt {
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--clay);
  letter-spacing: 0.02em;
}
.glossary dd { margin: 0; color: var(--ink-soft); }
@media (max-width: 620px) {
  .glossary { grid-template-columns: 1fr; }
}

/* Cabeceras de columna ordenables en publicaciones */
.pub-filters #filter-sort { cursor: pointer; }

.section[id^="tr-"] { scroll-margin-top: 84px; }