/* ───────────────────────────────────────────
   Manual de Identidad — Contingente Antártico
   Sistema B · Institucional contemporáneo
   ─────────────────────────────────────────── */

:root {
  /* ── PALETA A3 · GRAFITO ── */
  --azul-antartico: #1F2426;     /* (alias) Grafito — color principal */
  --azul-profundo: #2C3133;      /* Grafito medio */
  --azul-medio: #454B4D;         /* Grafito claro */
  --azul-glaciar: #7E8587;       /* Gris medio */
  --azul-hielo: #C9CDCE;         /* Gris piedra */
  --rojo-bandera: #C8102E;       /* Acento rojo bandera (idéntico) */
  --rojo-profundo: #8E1A2A;
  --amarillo-bandera: #F4C400;
  --hielo: #F4F4F2;              /* Fondo claro / piedra clara */
  --piedra: #6B7280;
  --piedra-clara: #9CA3AF;
  --tinta: #1A1C1B;
  --blanco: #FFFFFF;
  --negro: #000000;
  --line: #E0E2DE;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: var(--hielo);
  color: var(--azul-antartico);
  font-family: 'Archivo', 'Inter', system-ui, sans-serif;
  font-feature-settings: "ss01", "ss02";
}

/* ───── Layout principal ───── */
.app {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: 100vh;
}

/* ───── Sidebar de navegación ───── */
.sidebar {
  background: var(--azul-antartico);
  color: var(--azul-hielo);
  padding: 32px 24px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  border-right: 1px solid var(--azul-profundo);
}
.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(110, 139, 168, 0.25);
}
.sidebar-brand img { width: 44px; height: 44px; }
.sidebar-brand-text {
  font-size: 9px;
  letter-spacing: 0.2em;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--blanco);
  line-height: 1.4;
}
.sidebar-brand-text small {
  display: block;
  color: var(--azul-glaciar);
  font-weight: 500;
  letter-spacing: 0.18em;
  margin-top: 2px;
}
.sidebar-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--azul-glaciar);
  text-transform: uppercase;
  margin-bottom: 14px;
  padding-left: 4px;
}
.nav-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
}
.nav-list li {
  margin: 0;
}
.nav-list a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 8px 9px 4px;
  color: var(--azul-hielo);
  text-decoration: none;
  font-size: 12px;
  letter-spacing: 0.02em;
  font-weight: 500;
  border-radius: 2px;
  transition: background 0.15s, color 0.15s;
}
.nav-list a:hover {
  background: rgba(110, 139, 168, 0.12);
  color: var(--blanco);
}
.nav-list a.active {
  background: rgba(200, 16, 46, 0.14);
  color: var(--blanco);
  border-left: 2px solid var(--rojo-bandera);
  padding-left: 8px;
}
.nav-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--azul-glaciar);
  letter-spacing: 0.1em;
  flex-shrink: 0;
  width: 28px;
}
.sidebar-foot {
  margin-top: auto;
  padding-top: 24px;
  border-top: 1px solid rgba(110, 139, 168, 0.25);
  font-family: 'JetBrains Mono', monospace;
  font-size: 8px;
  letter-spacing: 0.18em;
  color: var(--azul-glaciar);
  text-transform: uppercase;
  line-height: 1.8;
}

/* ───── Main / contenido ───── */
.main {
  background: var(--blanco);
  min-height: 100vh;
}

/* ───── Hoja A4-like ───── */
.page {
  max-width: 980px;
  margin: 0 auto;
  padding: 80px 80px 100px;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 0;
}
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.25em;
  color: var(--piedra);
  text-transform: uppercase;
  margin-bottom: 64px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.page-num {
  color: var(--rojo-bandera);
  font-weight: 700;
}

.eyebrow {
  font-family: 'Archivo', sans-serif;
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--rojo-bandera);
  text-transform: uppercase;
  margin-bottom: 18px;
}
.h1 {
  font-family: 'Archivo', sans-serif;
  font-weight: 800;
  font-size: 64px;
  line-height: 0.95;
  letter-spacing: -0.025em;
  color: var(--azul-antartico);
  text-transform: uppercase;
  font-stretch: 125%;
  margin: 0 0 18px;
}
.h1 .light {
  display: block;
  font-weight: 200;
  color: var(--azul-medio);
}
.rule {
  width: 60px; height: 3px;
  background: var(--rojo-bandera);
  margin: 24px 0 32px;
}
.lede {
  font-family: 'Fraunces', serif;
  font-weight: 300;
  font-style: italic;
  font-size: 22px;
  line-height: 1.45;
  color: var(--azul-profundo);
  max-width: 680px;
  margin: 0 0 36px;
  text-wrap: pretty;
}
.body {
  font-size: 14px;
  line-height: 1.7;
  color: var(--tinta);
  max-width: 640px;
  text-wrap: pretty;
}
.body p { margin: 0 0 16px; }

/* ───── Cover ───── */
.cover {
  height: 100vh;
  min-height: 720px;
  background: var(--azul-antartico);
  color: var(--blanco);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  padding: 60px 80px;
  border-bottom: none;
  max-width: none;
  margin: 0;
}
.cover-tag {
  font-family: 'Archivo', sans-serif;
  font-weight: 600;
  font-size: 10px;
  letter-spacing: 0.5em;
  color: var(--azul-hielo);
  text-transform: uppercase;
  text-align: center;
  margin-bottom: 60px;
}
.cover-emblem-wrap {
  display: flex;
  justify-content: center;
  margin: 20px 0;
}
.cover-emblem {
  width: 220px; height: 220px;
}
.cover-stripes {
  display: flex;
  height: 6px;
  margin: 50px 0 0;
}
.cover-stripes div { flex: 1; }
.cover-stripes .r { background: var(--rojo-bandera); }
.cover-stripes .y { background: var(--amarillo-bandera); }
.cover-content {
  margin-top: 50px;
}
.cover-eyebrow {
  font-family: 'Archivo', sans-serif;
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--rojo-bandera);
  text-transform: uppercase;
  margin-bottom: 20px;
}
.cover-title {
  font-family: 'Archivo', sans-serif;
  font-weight: 800;
  font-size: 72px;
  line-height: 0.95;
  letter-spacing: -0.025em;
  text-transform: uppercase;
  font-stretch: 125%;
  color: var(--blanco);
}
.cover-title-sub {
  font-weight: 200;
  color: var(--azul-glaciar);
  display: block;
}
.cover-rule {
  width: 60px; height: 3px;
  background: var(--rojo-bandera);
  margin: 28px 0;
}
.cover-desc {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-weight: 300;
  font-size: 18px;
  line-height: 1.5;
  color: var(--azul-hielo);
  max-width: 540px;
}
.cover-motto {
  margin-top: 36px;
  padding-top: 28px;
  border-top: 2px solid var(--rojo-bandera);
  border-top-width: 2px;
  font-family: 'Archivo', sans-serif;
  font-weight: 700;
  font-size: 22px;
  line-height: 1.3;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--blanco);
  max-width: 560px;
  position: relative;
}
.cover-motto-light {
  font-weight: 200;
  color: var(--azul-hielo);
  display: block;
  margin-top: 4px;
}
.cover-foot {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--azul-glaciar);
  text-transform: uppercase;
}

/* ───── Grids y bloques de contenido ───── */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-top: 32px;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 32px;
}
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 32px;
}

.section-title {
  font-family: 'Archivo', sans-serif;
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.01em;
  color: var(--azul-antartico);
  margin: 56px 0 20px;
  display: flex;
  align-items: baseline;
  gap: 14px;
}
.section-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--rojo-bandera);
  font-weight: 600;
  letter-spacing: 0.1em;
}

/* ───── Tarjeta visual genérica ───── */
.card {
  background: var(--hielo);
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.card-stage {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 36px 24px;
  background: var(--blanco);
  position: relative;
}
.card-stage.dark { background: var(--azul-antartico); }
.card-stage.gray { background: var(--azul-hielo); }

/* MonoEmblem: recolor todos los paths del SVG embebido al currentColor */
.mono-emblem { display: inline-block; line-height: 0; }
.mono-emblem svg { width: 100%; height: 100%; display: block; }
.mono-emblem svg * { fill: currentColor !important; stroke: currentColor !important; }
.card-foot {
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.15em;
  color: var(--piedra);
  text-transform: uppercase;
}

/* ───── Color swatches ───── */
.swatch {
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--line);
}
.swatch-color {
  height: 140px;
  display: flex;
  align-items: flex-end;
  padding: 14px;
  position: relative;
}
.swatch-name {
  font-family: 'Archivo', sans-serif;
  font-weight: 700;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.swatch-name.light { color: var(--blanco); }
.swatch-name.dark { color: var(--azul-antartico); }
.swatch-meta {
  background: var(--blanco);
  padding: 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 9.5px;
  letter-spacing: 0.05em;
  line-height: 1.7;
  color: var(--piedra);
  border-top: 1px solid var(--line);
}
.swatch-meta strong {
  color: var(--azul-antartico);
  font-weight: 700;
}
.swatch-meta-row {
  display: flex;
  justify-content: space-between;
}

/* ───── Tipografía display ───── */
.type-display {
  background: var(--blanco);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 32px;
}
.type-name {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--rojo-bandera);
  text-transform: uppercase;
  margin-bottom: 12px;
  font-weight: 600;
}
.type-sample {
  color: var(--azul-antartico);
  line-height: 1;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
}
.type-meta {
  display: flex;
  gap: 24px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.15em;
  color: var(--piedra);
  text-transform: uppercase;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.type-weights {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}
.type-weight-row {
  display: flex;
  align-items: baseline;
  gap: 24px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
}
.type-weight-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--piedra);
  text-transform: uppercase;
  width: 120px;
  flex-shrink: 0;
}
.type-weight-sample {
  font-size: 22px;
  color: var(--azul-antartico);
  letter-spacing: -0.01em;
}

/* ───── Construcción geométrica del emblema ───── */
.geom-stage {
  background: #FAFBFC;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 40px;
  position: relative;
}
.geom-stage svg { width: 100%; height: auto; display: block; }

/* ───── Usos correctos / incorrectos ───── */
.usage-card {
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  background: var(--blanco);
}
.usage-stage {
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--hielo);
  position: relative;
  overflow: hidden;
}
.usage-stage.bad { background: var(--hielo); }
.usage-label {
  padding: 12px 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--azul-antartico);
  border-top: 1px solid var(--line);
}
.usage-label.ok::before {
  content: "✓"; color: #00875A; font-weight: 800;
}
.usage-label.bad::before {
  content: "✕"; color: var(--rojo-bandera); font-weight: 800;
}

/* ───── Papelería ───── */
.paper-mock {
  background: var(--hielo);
  border-radius: 4px;
  padding: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
}

/* ───── Tabla de aplicaciones ───── */
.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  margin-top: 24px;
}
.spec-table th, .spec-table td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
}
.spec-table th {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--piedra);
  text-transform: uppercase;
  font-weight: 600;
}
.spec-table td.mono {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
}

/* ───── Section divider full-bleed ───── */
.divider {
  background: var(--azul-antartico);
  color: var(--blanco);
  padding: 100px 80px;
  max-width: none;
  border-bottom: none;
  position: relative;
  overflow: hidden;
}
.divider-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--rojo-bandera);
  margin-bottom: 14px;
}
.divider-title {
  font-family: 'Archivo', sans-serif;
  font-weight: 800;
  font-size: 80px;
  line-height: 0.92;
  letter-spacing: -0.025em;
  text-transform: uppercase;
  font-stretch: 125%;
  margin: 0;
}
.divider-title .light {
  display: block;
  font-weight: 200;
  color: var(--azul-glaciar);
}
.divider-rule {
  width: 60px; height: 3px;
  background: var(--rojo-bandera);
  margin: 28px 0;
}
.divider-desc {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-weight: 300;
  font-size: 18px;
  line-height: 1.5;
  color: var(--azul-hielo);
  max-width: 540px;
}

/* ───── Patches ───── */
.patch {
  width: 160px; height: 160px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ───── Merch ───── */
.merch-stage {
  background: var(--azul-antartico);
  height: 280px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.merch-stage.light {
  background: var(--hielo);
}

/* ───── Plantillas ───── */
.tmpl-mock {
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--blanco);
  aspect-ratio: 210 / 297;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
  font-size: 6px;
}
.tmpl-slide {
  aspect-ratio: 16/9;
  background: var(--blanco);
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}

/* Scroll behavior */
html { scroll-behavior: smooth; }

/* Print */
@media print {
  .sidebar { display: none; }
  .app { grid-template-columns: 1fr; }
  .page { page-break-after: always; }
}