/* =========================================================
   css.css — Padlock Micrositios Portal
   ========================================================= */

/* -- Reinicio y base ------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --fondo:            #F0F4FA;
  --superficie:       #FFFFFF;
  --azul-oscuro:      #0D1B3E;
  --azul-medio:       #1A3266;
  --acento:           #2563EB;
  --acento-brillo:    rgba(37, 99, 235, 0.15);
  --texto-principal:  #1E293B;
  --texto-suave:      #64748B;
  --borde:            #E2E8F0;
  --radio-tarjeta:    16px;
  --radio-boton:      12px;
  --sombra-tarjeta:   0 2px 8px rgba(13,27,62,0.07), 0 0 0 1px var(--borde);
  --sombra-hover:     0 8px 28px rgba(13,27,62,0.13), 0 0 0 2px var(--acento);
  --transicion:       0.22s cubic-bezier(.4,0,.2,1);
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--fondo);
  color: var(--texto-principal);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* -- Encabezado ------------------------------------------ */
.encabezado {
  background: linear-gradient(135deg, var(--azul-oscuro) 0%, var(--azul-medio) 100%);
  color: white;
  padding: 0;
}

.encabezado-interno {
  max-width: 1100px;
  margin: 0 auto;
  padding: 22px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.encabezado-marca {
  display: flex;
  align-items: center;
  gap: 10px;
}

.marca-logo-contenedor {
  width: 36px;
  height: 36px;
  overflow: hidden;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.marca-logo {
  width: 90px;
  height: 90px;
  object-fit: contain;
  filter: brightness(0) invert(1);
  flex-shrink: 0;
  margin: -27px;
}

.marca-nombre {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: white;
}

.encabezado-subtitulo {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  border-left: 1px solid rgba(255,255,255,0.2);
  padding-left: 20px;
}

/* -- Principal ------------------------------------------- */
.principal {
  flex: 1;
  max-width: 1100px;
  width: 100%;
  margin: 0 auto;
  padding: 40px 24px 60px;
}

/* -- Buscador -------------------------------------------- */
.buscador-contenedor {
  position: relative;
  max-width: 420px;
  margin-bottom: 20px;
}

.buscador-icono {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--texto-suave);
  pointer-events: none;
}

.buscador-campo {
  width: 100%;
  padding: 12px 16px 12px 44px;
  border-radius: var(--radio-boton);
  border: 1.5px solid var(--borde);
  background: var(--superficie);
  font-size: 0.95rem;
  color: var(--texto-principal);
  outline: none;
  transition: border-color var(--transicion), box-shadow var(--transicion);
}

.buscador-campo::placeholder {
  color: var(--texto-suave);
}

.buscador-campo:focus {
  border-color: var(--acento);
  box-shadow: 0 0 0 3px var(--acento-brillo);
}

/* -- Etiqueta de conteo ---------------------------------- */
.etiqueta-conteo {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--texto-suave);
  margin-bottom: 28px;
}

/* -- Cuadrícula ------------------------------------------ */
.cuadricula {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 20px;
}

/* -- Tarjeta --------------------------------------------- */
.tarjeta {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  background: var(--superficie);
  border-radius: var(--radio-tarjeta);
  box-shadow: var(--sombra-tarjeta);
  padding: 28px 20px 22px;
  text-decoration: none;
  color: var(--texto-principal);
  cursor: pointer;
  transition:
    transform var(--transicion),
    box-shadow var(--transicion),
    background var(--transicion);
  position: relative;
  overflow: hidden;
}

.tarjeta::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radio-tarjeta);
  background: linear-gradient(135deg, var(--acento-brillo), transparent);
  opacity: 0;
  transition: opacity var(--transicion);
}

.tarjeta:hover {
  transform: translateY(-4px);
  box-shadow: var(--sombra-hover);
  background: #FAFCFF;
}

.tarjeta:hover::after {
  opacity: 1;
}

.tarjeta:active {
  transform: translateY(-1px);
}

/* Contenedor del logo */
.tarjeta-logo-contenedor {
  width: 100%;
  height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
}

.tarjeta-logo-contenedor img {
  max-width: 100%;
  max-height: 82px;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 1px 3px rgba(0,0,0,0.08));
  transition: transform var(--transicion);
}

.tarjeta:hover .tarjeta-logo-contenedor img {
  transform: scale(1.05);
}

/* Etiqueta de la tarjeta */
.tarjeta-etiqueta {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--texto-suave);
  text-align: center;
  position: relative;
  z-index: 1;
  transition: color var(--transicion);
}

.tarjeta:hover .tarjeta-etiqueta {
  color: var(--acento);
}

/* -- Estado vacío ---------------------------------------- */
.estado-vacio {
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 60px 20px;
  color: var(--texto-suave);
  font-size: 0.95rem;
}

.estado-vacio svg {
  width: 64px;
  height: 64px;
  opacity: 0.5;
}

/* -- Pie de página --------------------------------------- */
.pie-pagina {
  background: var(--azul-oscuro);
  color: rgba(255,255,255,0.4);
  text-align: center;
  padding: 18px 24px;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

/* -- Responsivo ------------------------------------------ */
@media (max-width: 640px) {
  .encabezado-interno {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .encabezado-subtitulo {
    border-left: none;
    padding-left: 0;
    font-size: 0.75rem;
  }

  .cuadricula {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 14px;
  }

  .principal {
    padding: 28px 16px 48px;
  }

  .buscador-contenedor {
    max-width: 100%;
  }
}

@media (max-width: 380px) {
  .cuadricula {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* -- Movimiento reducido --------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition: none !important;
  }
}