/* ═══ Base: reset ligero, tipografía, botones, modales ═══ */
*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--fuente-texto);
  font-size: var(--texto-md);
  color: var(--texto);
  background: var(--fondo);
  min-height: 100svh;
  overflow-x: hidden;
}

h1, h2, h3 {
  font-family: var(--fuente-titulos);
  line-height: 1.15;
  margin: 0 0 var(--esp-2);
}
h1 { font-size: var(--texto-xl); }
h2 { font-size: var(--texto-lg); }
h3 { font-size: var(--texto-md); }
p  { margin: 0 0 var(--esp-2); line-height: 1.5; }

img, svg { max-width: 100%; height: auto; display: block; }

button { font: inherit; cursor: pointer; }

/* ─── Botones ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: var(--toque-min);
  padding: 10px 22px;
  border-radius: var(--radio-boton);
  border: var(--borde-grueso);
  font-family: var(--fuente-titulos);
  font-size: var(--texto-md);
  font-weight: 700;
  color: var(--texto);
  background: var(--blanco);
  box-shadow: var(--sombra-suave);
  transition: transform 0.12s ease;
  touch-action: manipulation;
  text-decoration: none;
}
.btn:active { transform: translateY(2px); box-shadow: none; }
.btn:focus-visible { outline: 4px solid var(--azul-intenso); outline-offset: 3px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn--primario  { background: var(--amarillo); }
.btn--aventura  { background: var(--naranja); color: var(--blanco); font-size: var(--texto-lg); padding: 14px 30px; }
.btn--secundario{ background: var(--turquesa); }
.btn--peligro   { background: var(--rosa); }
.btn--fantasma  { background: transparent; box-shadow: none; border-color: transparent; }
.btn--bloque    { width: 100%; }
.btn--icono     { min-width: var(--toque-min); padding: 8px; font-size: 1.4rem; }

/* ─── Campos ─── */
.campo {
  width: 100%;
  min-height: var(--toque-min);
  padding: 10px 16px;
  border-radius: var(--radio);
  border: var(--borde-grueso);
  font: inherit;
  background: var(--blanco);
  color: var(--texto);
}
.campo:focus-visible { outline: 4px solid var(--azul-intenso); outline-offset: 2px; }
label { font-weight: 700; display: block; margin-bottom: 6px; }

/* ─── Modales ─── */
.modal {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: none;
  align-items: flex-end;
  justify-content: center;
  background: rgba(24, 49, 83, 0.6);
  padding: var(--esp-2);
}
.modal.abierto { display: flex; }
.modal__caja {
  background: var(--blanco);
  border: var(--borde-grueso);
  border-radius: var(--radio) var(--radio) var(--radio) var(--radio);
  padding: var(--esp-3);
  width: min(560px, 100%);
  max-height: 88svh;
  overflow-y: auto;
}
@media (min-width: 600px) {
  .modal { align-items: center; }
}

/* ─── Utilidades ─── */
.oculto { display: none !important; }
.centrado { text-align: center; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  margin: -1px; padding: 0; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* Animaciones cortas */
@keyframes brinco {
  0%,100% { transform: translateY(0); }
  40%     { transform: translateY(-8px) scale(1.04); }
}
@keyframes sacudida {
  0%,100% { transform: translateX(0); }
  25%     { transform: translateX(-7px); }
  75%     { transform: translateX(7px); }
}
.anim-brinco   { animation: brinco 0.5s ease; }
.anim-sacudida { animation: sacudida 0.3s ease 2; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}