/* -------------------- Arañas colgantes -------------------- */
.halloween-spider {
  position: fixed;
  top: 0;
  width: 34px;
  height: 130px;
  transform-origin: top center;
  animation: halloween-swing 3.6s ease-in-out infinite;
  z-index: 40;
  pointer-events: none;
}

.halloween-spider--left {
  left: 18px;
  height: 150px;
  animation-delay: -0.4s;
}

.halloween-spider--center-left {
  left: 26%;
  height: 100px;
  animation-delay: -1.2s;
}

.halloween-spider--center {
  left: 50%;
  margin-left: -17px;
  height: 135px;
  animation-delay: -2.6s;
}

.halloween-spider--center-right {
  left: 74%;
  height: 95px;
  animation-delay: -0.9s;
}

.halloween-spider--right {
  right: 18px;
  height: 115px;
  animation-delay: -2s;
}

.halloween-spider::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: 1px;
  height: 100%;
  background: rgba(32, 34, 43, 0.35);
  transform: translateX(-50%);
}

.halloween-spider svg {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
}

@keyframes halloween-swing {
  0%, 100% { transform: rotate(-6deg); }
  50% { transform: rotate(6deg); }
}

html:not(.halloween-season) .halloween-spider,
html.halloween-hidden .halloween-spider {
  display: none;
}

@media (max-width: 640px) {
  .halloween-spider {
    display: none !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .halloween-spider {
    animation: none;
  }
}

/* -------------------- Telarañas en las esquinas -------------------- */
.halloween-cobweb {
  position: fixed;
  top: 0;
  width: 110px;
  height: 110px;
  z-index: 39;
  pointer-events: none;
  opacity: 0.9;
}

.halloween-cobweb--left {
  left: 0;
}

.halloween-cobweb--right {
  right: 0;
  transform: scaleX(-1);
}

.halloween-cobweb svg {
  width: 100%;
  height: 100%;
  display: block;
}

html:not(.halloween-season) .halloween-cobweb,
html.halloween-hidden .halloween-cobweb {
  display: none;
}

@media (max-width: 640px) {
  .halloween-cobweb {
    width: 72px;
    height: 72px;
  }
}

/* -------------------- Murciélagos junto a las arañas -------------------- */
.halloween-bat {
  position: fixed;
  top: 6px;
  width: 26px;
  height: 10px;
  z-index: 41;
  pointer-events: none;
  animation: halloween-bat-flutter 2.4s ease-in-out infinite;
}

.halloween-bat svg {
  width: 100%;
  height: 100%;
}

.halloween-bat--a {
  left: 10%;
  animation-delay: -0.6s;
}

.halloween-bat--b {
  left: 42%;
  top: 18px;
  animation-delay: -1.4s;
}

.halloween-bat--c {
  right: 10%;
  top: 2px;
  animation-delay: -0.2s;
}

@keyframes halloween-bat-flutter {
  0%, 100% { transform: translateY(0) scaleX(1); }
  50% { transform: translateY(6px) scaleX(0.82); }
}

html:not(.halloween-season) .halloween-bat,
html.halloween-hidden .halloween-bat {
  display: none;
}

@media (max-width: 640px) {
  .halloween-bat {
    display: none !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .halloween-bat {
    animation: none;
  }
}

/* -------------------- Bruja voladora -------------------- */
.halloween-witch {
  position: fixed;
  top: 70px;
  left: 0;
  width: 56px;
  z-index: 41;
  pointer-events: none;
  opacity: 0;
  animation: halloween-witch-fly 27s ease-in-out infinite;
}

@keyframes halloween-witch-fly {
  0%, 75% { opacity: 0; transform: translate(-15vw, 0) rotate(-4deg); }
  78% { opacity: 1; }
  87% { transform: translate(55vw, -18px) rotate(2deg); }
  97% { opacity: 1; }
  100% { opacity: 0; transform: translate(120vw, 6px) rotate(-4deg); }
}

html:not(.halloween-season) .halloween-witch,
html.halloween-hidden .halloween-witch {
  display: none;
}

@media (max-width: 640px) {
  .halloween-witch {
    display: none !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .halloween-witch {
    animation: none;
    opacity: 0;
  }
}

/* -------------------- Fantasma en botones de Descargar / Inscribirse -------------------- */
html.halloween-season:not(.halloween-hidden) .descargas__button--download,
html.halloween-season:not(.halloween-hidden) .descargas__button--enroll,
html.halloween-season:not(.halloween-hidden) .oferta-academica__action--download,
html.halloween-season:not(.halloween-hidden) .oferta-academica__action--enroll {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

html.halloween-season:not(.halloween-hidden) .descargas__button--download::after,
html.halloween-season:not(.halloween-hidden) .descargas__button--enroll::after,
html.halloween-season:not(.halloween-hidden) .oferta-academica__action--download::after,
html.halloween-season:not(.halloween-hidden) .oferta-academica__action--enroll::after {
  content: "";
  display: inline-block;
  flex: 0 0 auto;
  width: 14px;
  height: 16px;
  background-color: #eef0f5;
  -webkit-mask-image: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0naHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmcnIHZpZXdCb3g9JzAgMCAzMCAzNCc+PHBhdGggZD0nTTE1IDIgQzggMiAyIDggMiAxNiBMMiAzMCBMNiAyNiBMMTAgMzAgTDE1IDI2IEwyMCAzMCBMMjQgMjYgTDI4IDMwIEwyOCAxNiBDMjggOCAyMiAyIDE1IDIgWicvPjwvc3ZnPg==");
  mask-image: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0naHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmcnIHZpZXdCb3g9JzAgMCAzMCAzNCc+PHBhdGggZD0nTTE1IDIgQzggMiAyIDggMiAxNiBMMiAzMCBMNiAyNiBMMTAgMzAgTDE1IDI2IEwyMCAzMCBMMjQgMjYgTDI4IDMwIEwyOCAxNiBDMjggOCAyMiAyIDE1IDIgWicvPjwvc3ZnPg==");
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-size: contain;
  mask-size: contain;
  -webkit-mask-position: center;
  mask-position: center;
}

/* -------------------- Burbuja de mensajería con tema de Halloween -------------------- */
.halloween-bubble {
  position: fixed;
  left: var(--space-4, 16px);
  bottom: var(--space-4, 16px);
  z-index: 50;
  display: none;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  pointer-events: none;
}

html.halloween-season .halloween-bubble {
  display: flex;
}

.halloween-bubble__toggle {
  width: 56px;
  height: 56px;
  border: none;
  border-radius: 50%;
  background: linear-gradient(155deg, #ff7a1a, #c85a0a);
  color: #fff;
  font-size: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  pointer-events: auto;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
  transition: transform 0.2s ease;
}

.halloween-bubble__toggle:hover {
  transform: scale(1.08);
}

.halloween-bubble__card {
  width: min(88vw, 280px);
  background-color: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  opacity: 0;
  visibility: hidden;
  pointer-events: auto;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
}

.halloween-bubble--open .halloween-bubble__card {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.halloween-bubble__header {
  background: linear-gradient(120deg, #ff7a1a, #c85a0a);
  color: #fff;
  padding: 12px 14px;
  font-weight: 700;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.halloween-bubble__close {
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: #fff;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
}

.halloween-bubble__body {
  padding: 12px 14px;
  font-size: 12.5px;
  color: var(--color-text, #1c2033);
  line-height: 1.5;
}

.halloween-bubble__body p {
  margin: 0;
}

.halloween-bubble__action {
  display: block;
  margin-top: 10px;
  text-align: center;
  padding: 9px;
  border-radius: 999px;
  background-color: var(--color-red, #c8102e);
  color: #fff;
  font-weight: 700;
  font-size: 12.5px;
  transition: background-color var(--transition-base, 0.2s ease);
}

.halloween-bubble__action:hover {
  background-color: var(--color-red-dark, #a30c23);
}

.halloween-bubble__toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid #eee;
  font-size: 11.5px;
  color: var(--color-text-muted, #6b7080);
}

.halloween-bubble__switch {
  border: 1px solid #d7dae4;
  border-radius: 999px;
  background: #fff;
  color: var(--color-blue, #151f6d);
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  cursor: pointer;
}

.halloween-bubble__switch:hover {
  background-color: var(--color-gray-light, #f3f4f8);
}

@media (max-width: 480px) {
  .halloween-bubble {
    left: var(--space-3, 12px);
    bottom: var(--space-3, 12px);
  }
}