/* ===== Líderes Juveniles para el Cambio — estilos generales ===== */

:root {
  --navy: #132a52;
  --navy-dark: #0c1c3a;
  --gold: #e3a857;
  --red: #d6382b;
  --red-dark: #b32c21;
  --cream: #f4ede0;
  --cream-dark: #e9ddc4;
  --ink: #2b2620;
  --ink-soft: #5a5346;
  --white: #ffffff;
  --radius: 10px;
  --shadow: 0 4px 16px rgba(19, 42, 82, 0.12);
  font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--cream);
  color: var(--ink);
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ---------- Barra de navegación superior (todas las páginas menos Portada) ---------- */

.topnav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
  background: var(--navy);
  padding: 10px 20px;
  box-shadow: var(--shadow);
}

.topnav__brand {
  color: var(--gold);
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  margin-right: auto;
  font-size: 0.95rem;
  white-space: nowrap;
}

.topnav a.topnav__link {
  color: var(--cream);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 12px;
  border-radius: 999px;
  transition: background 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}

.topnav a.topnav__link:hover {
  background: rgba(255, 255, 255, 0.12);
}

.topnav a.topnav__link.is-active {
  background: var(--red);
  color: var(--white);
}

/* ---------- Portada ---------- */

.portada-wrap {
  position: relative;
  width: 100%;
  line-height: 0;
}

.portada-img {
  width: 100%;
  height: auto;
}

.portada-links {
  position: absolute;
  inset: 0;
}

.portada-link {
  position: absolute;
  top: var(--top);
  left: var(--left);
  width: var(--width);
  height: var(--height);
  border-radius: 8px;
  outline-offset: 3px;
  transition: background 0.15s ease, box-shadow 0.15s ease;
}

.portada-link:hover,
.portada-link:focus-visible {
  background: rgba(255, 255, 255, 0.14);
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.5) inset;
}

/* ---------- Páginas de imagen larga (Preparación / Línea de tiempo) ---------- */

.pagina-imagen {
  max-width: 900px;
  margin: 0 auto;
  background: var(--cream);
}

.pagina-imagen img {
  width: 100%;
  height: auto;
}

/* ---------- Productos por módulo ---------- */

.productos-header {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 20px 6px;
}

.productos-header h1 {
  margin: 0 0 6px;
  font-size: 1.7rem;
  color: var(--navy);
}

.productos-header p {
  margin: 0;
  color: var(--ink-soft);
}

.modulos {
  max-width: 1100px;
  margin: 0 auto;
  padding: 10px 20px 60px;
}

.modulo {
  margin-top: 36px;
}

.modulo__etiqueta {
  color: var(--red);
  font-weight: 700;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  text-transform: uppercase;
}

.modulo__titulo {
  margin: 4px 0 16px;
  font-size: 1.25rem;
  color: var(--navy);
  border-bottom: 2px dashed var(--cream-dark);
  padding-bottom: 10px;
}

.modulo__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 18px;
}

.modulo__vacio {
  background: var(--cream-dark);
  border: 1px dashed #c9bb99;
  border-radius: var(--radius);
  padding: 34px 20px;
  text-align: center;
  color: var(--ink-soft);
  font-style: italic;
}

/* Tarjeta de un trabajo entregado */

.tarjeta {
  display: block;
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none;
  color: var(--ink);
  box-shadow: var(--shadow);
  border: 1px solid var(--cream-dark);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.tarjeta:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(19, 42, 82, 0.2);
}

.tarjeta__portada {
  position: relative;
  aspect-ratio: 4 / 3;
  background: linear-gradient(160deg, var(--cream-dark), #d9c9a3);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.tarjeta__portada canvas {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}

.tarjeta__portada .tarjeta__placeholder {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: #8a7c58;
  font-weight: 700;
}

.tarjeta__badge {
  position: absolute;
  top: 8px;
  right: 8px;
  background: var(--navy-dark);
  color: var(--white);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 999px;
}

.tarjeta__cuerpo {
  padding: 12px 14px 16px;
}

.tarjeta__nombre {
  font-weight: 700;
  font-size: 0.92rem;
  margin: 0 0 6px;
  color: var(--ink);
}

.tarjeta__cta {
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--red);
  text-transform: uppercase;
}

.tarjeta.no-soportada {
  opacity: 0.7;
  cursor: not-allowed;
}

.tarjeta.no-soportada .tarjeta__cta {
  color: var(--ink-soft);
}

/* ---------- Visor de documentos ---------- */

.visor {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.visor__barra {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  background: var(--navy-dark);
  color: var(--white);
  padding: 10px 16px;
  flex-wrap: wrap;
  position: sticky;
  top: 0;
  z-index: 20;
}

.visor__titulo {
  margin-right: auto;
  font-size: 0.85rem;
  color: var(--cream);
  max-width: 40ch;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.visor__boton {
  background: var(--red);
  color: var(--white);
  border: none;
  border-radius: 6px;
  padding: 7px 12px;
  font-weight: 700;
  cursor: pointer;
  font-size: 0.85rem;
}

.visor__boton:disabled {
  background: #6c6656;
  cursor: not-allowed;
}

.visor__pagina {
  font-size: 0.85rem;
  font-weight: 600;
  min-width: 9ch;
  text-align: center;
}

.visor__lienzo-wrap {
  flex: 1;
  display: flex;
  justify-content: center;
  padding: 20px;
  background: #ddd2b6;
  overflow: auto;
}

.visor__lienzo-wrap canvas {
  background: var(--white);
  box-shadow: var(--shadow);
  max-width: 100%;
  height: auto;
}

.visor__estado {
  color: var(--ink-soft);
  padding: 40px;
  text-align: center;
}