:root {
  --ink: #0d0610;
  --night: #170a1f;
  --purple: #5b2a86;
  --purple-soft: #8a5cb8;
  --blood: #a3141c;
  --blood-bright: #d4232c;
  --moon: #e3cf3a;
  --bone: #f2ebdf;
  --bone-dim: #cfc4b4;
  --error: #ff7a7a;

  --font-gothic: "UnifrakturMaguntia", "Pirata One", serif;
  --font-display: "Pirata One", "UnifrakturMaguntia", serif;
  --font-body: "Special Elite", "Courier New", monospace;

  --face-window: clamp(150px, 30vh, 340px); /* espacio sobre el título donde se ve la cara */
}

* { box-sizing: border-box; }

html, body { margin: 0; min-height: 100%; }

body {
  background: var(--ink);
  color: var(--bone);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ---------- Fondo ---------- */
.bg {
  --bg-h: 140vh;  /* alto de la imagen principal */
  --face-y: 160px; /* centro del encabezado; lo ajusta app.js */
  position: fixed;
  inset: 0;
  overflow: hidden;
  background: var(--ink);
  z-index: -5;
}
/* relleno difuminado para los costados en pantallas anchas */
.bg::before {
  content: "";
  position: absolute;
  inset: -40px;
  background: url("assets/bg.jpg") center 30% / cover no-repeat;
  filter: blur(22px) saturate(0.8) brightness(0.35);
}
/* imagen principal: la cara (≈32% del alto de la imagen) queda en la ventana sobre el título */
.bg::after {
  content: "";
  position: absolute;
  left: 50%;
  top: calc(var(--face-y) - var(--bg-h) * 0.32);
  height: var(--bg-h);
  aspect-ratio: 1080 / 1920;
  background: url("assets/bg.jpg") center top / 100% 100% no-repeat;
  filter: saturate(0.9) brightness(0.85);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 14%, #000 86%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 14%, #000 86%, transparent);
  transform: translateX(-50%);
  transform-origin: 50% 32%;
  animation: breathe 18s ease-in-out infinite alternate;
}

.bg-overlay {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 18%, rgba(23, 10, 31, 0.15) 0%, rgba(13, 6, 16, 0.65) 75%),
    linear-gradient(180deg, rgba(40, 14, 60, 0.3) 0%, rgba(13, 6, 16, 0.75) 100%);
  z-index: -4;
}

@keyframes breathe {
  from { transform: translateX(-50%) scale(1); }
  to   { transform: translateX(-50%) scale(1.05); }
}

/* Niebla */
.fog {
  position: fixed;
  left: -50%;
  width: 200%;
  height: 45vh;
  bottom: -10vh;
  background:
    radial-gradient(ellipse at 20% 60%, rgba(180, 150, 210, 0.16), transparent 55%),
    radial-gradient(ellipse at 60% 50%, rgba(160, 130, 200, 0.12), transparent 60%),
    radial-gradient(ellipse at 85% 70%, rgba(200, 180, 220, 0.14), transparent 55%);
  filter: blur(12px);
  pointer-events: none;
  z-index: -3;
  animation: drift 40s linear infinite;
}
.fog--2 {
  bottom: -18vh;
  opacity: 0.7;
  animation-duration: 65s;
  animation-direction: reverse;
}
@keyframes drift {
  from { transform: translateX(0); }
  to   { transform: translateX(25%); }
}

/* Brasas */
.embers { position: fixed; inset: 0; pointer-events: none; z-index: -2; overflow: hidden; }
.ember {
  position: absolute;
  bottom: -10px;
  width: var(--s, 4px);
  height: var(--s, 4px);
  border-radius: 50%;
  background: radial-gradient(circle, #ffb347 0%, var(--blood-bright) 60%, transparent 70%);
  box-shadow: 0 0 8px 2px rgba(212, 35, 44, 0.55);
  opacity: 0;
  animation: rise var(--d, 9s) linear var(--delay, 0s) infinite;
}
@keyframes rise {
  0%   { transform: translate(0, 0); opacity: 0; }
  10%  { opacity: 0.9; }
  50%  { transform: translate(var(--x, 20px), -50vh); }
  100% { transform: translate(calc(var(--x, 20px) * -1), -105vh); opacity: 0; }
}

/* Murciélagos */
.bats { position: fixed; inset: 0; pointer-events: none; z-index: -1; overflow: hidden; }
.bat {
  position: absolute;
  left: -80px;
  width: var(--w, 42px);
  color: #050207;
  filter: drop-shadow(0 0 6px rgba(227, 207, 58, 0.25));
  animation: fly var(--d, 14s) linear var(--delay, 0s) infinite;
}
.bat svg { width: 100%; height: auto; display: block; animation: flap 0.28s ease-in-out infinite alternate; transform-origin: center; }
@keyframes fly {
  0%   { transform: translate(0, 0) rotate(-6deg); }
  25%  { transform: translate(30vw, -6vh) rotate(4deg); }
  50%  { transform: translate(60vw, 4vh) rotate(-4deg); }
  75%  { transform: translate(90vw, -8vh) rotate(6deg); }
  100% { transform: translate(calc(100vw + 160px), 0) rotate(-2deg); }
}
@keyframes flap {
  from { transform: scaleY(1) scaleX(1); }
  to   { transform: scaleY(0.45) scaleX(0.92); }
}

/* ---------- Layout ---------- */
.shell {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  padding: 2rem 16px 3rem;
}

.brand { text-align: center; padding-top: var(--face-window); }
.brand__year {
  margin: 0;
  font-family: var(--font-display);
  letter-spacing: 0.4em;
  color: var(--moon);
  font-size: 0.95rem;
}
.brand__title {
  margin: 0;
  font-family: var(--font-gothic);
  font-weight: 400;
  font-size: clamp(3.4rem, 14vw, 6.5rem);
  line-height: 1;
  color: var(--bone);
  text-shadow:
    0 0 2px #fff,
    0 0 18px rgba(212, 35, 44, 0.75),
    0 0 42px rgba(91, 42, 134, 0.8);
  animation: flicker 6s infinite;
}
@keyframes flicker {
  0%, 18%, 22%, 25%, 53%, 57%, 100% { opacity: 1; }
  20%, 24%, 55% { opacity: 0.55; }
}
.brand__tags {
  list-style: none;
  padding: 0;
  margin: 0.8rem 0 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
}
.brand__tags li {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: #160609;
  background: var(--blood);
  color: var(--bone);
  padding: 0.15rem 0.8rem;
  border: 1px solid rgba(0, 0, 0, 0.6);
  box-shadow: 2px 2px 0 rgba(0, 0, 0, 0.6);
}
.brand__tags li:nth-child(1) { transform: rotate(-2deg); }
.brand__tags li:nth-child(2) { transform: rotate(1.5deg); }
.brand__tags li:nth-child(3) { transform: rotate(-1deg); }

/* ---------- Tarjeta ---------- */
.card {
  position: relative;
  width: 100%;
  max-width: 560px;
  padding: 2rem 1.6rem 1.8rem;
  background: rgba(13, 6, 16, 0.78);
  border: 1px solid rgba(138, 92, 184, 0.45);
  border-radius: 6px;
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.6),
    0 20px 60px rgba(0, 0, 0, 0.7),
    inset 0 0 60px rgba(91, 42, 134, 0.18);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  text-align: center;
}
.card::before {
  /* hilo de sangre en el borde superior */
  content: "";
  position: absolute;
  top: -1px; left: 12%; right: 12%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--blood-bright), transparent);
}

.step { animation: summon 0.7s cubic-bezier(.2, .8, .2, 1) both; }
.step[hidden] { display: none; }
@keyframes summon {
  from { opacity: 0; transform: translateY(24px) scale(0.97); filter: blur(6px); }
  to   { opacity: 1; transform: none; filter: none; }
}

.sigil {
  width: 64px;
  height: 64px;
  color: var(--blood-bright);
  filter: drop-shadow(0 0 10px rgba(212, 35, 44, 0.6));
  animation: hover 3s ease-in-out infinite;
}
@keyframes hover {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.card__title {
  margin: 0.2rem 0 0.6rem;
  font-family: var(--font-gothic);
  font-weight: 400;
  font-size: clamp(2rem, 7vw, 2.6rem);
  line-height: 1.1;
  color: var(--bone);
  text-shadow: 0 0 14px rgba(212, 35, 44, 0.55);
}
.card__text { margin: 0 0 1.4rem; color: var(--bone-dim); }
.card__text strong { color: var(--moon); font-weight: 400; }
.card__text--small { font-size: 0.9rem; }

.back {
  position: absolute;
  top: 0.8rem;
  left: 0.9rem;
  background: none;
  border: 0;
  color: var(--purple-soft);
  font-family: var(--font-display);
  font-size: 1.05rem;
  cursor: pointer;
  padding: 0.2rem 0.4rem;
}
.back:hover, .back:focus-visible { color: var(--bone); }

/* ---------- Campos ---------- */
.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.2rem 1rem;
}
.field { text-align: left; margin-bottom: 0.4rem; }
.field--full { grid-column: 1 / -1; }

label {
  display: block;
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: 0.03em;
  color: var(--bone);
  margin-bottom: 0.25rem;
}
label::after { content: " *"; color: var(--blood-bright); }
label.is-optional::after { content: none; }
.optional { font-family: var(--font-body); font-size: 0.8rem; color: var(--bone-dim); letter-spacing: 0; }
.req { color: var(--blood-bright); }

input, .dropdown__btn {
  width: 100%;
  font: inherit;
  font-size: 1rem;
  color: var(--bone);
  background: rgba(242, 235, 223, 0.06);
  border: 1px solid rgba(242, 235, 223, 0.22);
  border-bottom: 2px solid var(--purple-soft);
  border-radius: 3px;
  padding: 0.7rem 0.8rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}

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

/* ---------- Dropdown ---------- */
.dropdown { position: relative; }
.dropdown__btn {
  display: flex;
  align-items: center;
  text-align: left;
  padding-right: 2.6rem;
  cursor: pointer;
}
.dropdown__value.is-placeholder { color: rgba(242, 235, 223, 0.38); }
.dropdown__btn::after {
  /* flecha */
  content: "";
  position: absolute;
  right: 1rem;
  top: 50%;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--moon);
  border-bottom: 2px solid var(--moon);
  transform: translateY(-70%) rotate(45deg);
  transition: transform 0.25s;
}
.dropdown.is-open .dropdown__btn::after { transform: translateY(-30%) rotate(-135deg); }
.dropdown.is-open .dropdown__btn {
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
}

.dropdown__list {
  position: absolute;
  z-index: 20;
  top: 100%;
  left: 0;
  right: 0;
  margin: 0;
  padding: 0.3rem 0;
  list-style: none;
  max-height: min(24rem, 60vh);
  overflow-y: auto;
  background: linear-gradient(180deg, #1a0b22, #12081a);
  border: 1px solid rgba(227, 207, 58, 0.45);
  border-top: 0;
  border-radius: 0 0 4px 4px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.75), inset 0 0 40px rgba(91, 42, 134, 0.22);
  outline: none;
  transform-origin: top;
  animation: unfold 0.22s cubic-bezier(.2, .8, .2, 1);
  scrollbar-width: thin;
  scrollbar-color: var(--purple) transparent;
}
.dropdown__list[hidden] { display: none; }
@keyframes unfold {
  from { opacity: 0; transform: scaleY(0.6) translateY(-6px); }
  to   { opacity: 1; transform: none; }
}

.dropdown__option {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 0.9rem 0.5rem 1rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: 0.03em;
  color: var(--bone-dim);
  cursor: pointer;
  transition: background 0.15s, color 0.15s, padding 0.15s;
}
.dropdown__option + .dropdown__option { border-top: 1px solid rgba(242, 235, 223, 0.06); }
.dropdown__option svg {
  width: 20px;
  flex: none;
  color: var(--blood-bright);
  opacity: 0;
  transform: translateX(-6px) scale(0.7);
  transition: opacity 0.15s, transform 0.15s;
}
.dropdown__option.is-active {
  color: var(--bone);
  background: linear-gradient(90deg, rgba(163, 20, 28, 0.55), rgba(91, 42, 134, 0.15));
  box-shadow: inset 3px 0 0 var(--blood-bright);
}
.dropdown__option.is-active svg { opacity: 1; transform: none; }
.dropdown__option[aria-selected="true"] { color: var(--moon); }
.dropdown__option[aria-selected="true"] svg { opacity: 1; transform: none; color: var(--moon); }

input::placeholder { color: rgba(242, 235, 223, 0.38); }
input:focus, .dropdown__btn:focus-visible, .dropdown.is-open .dropdown__btn {
  background: rgba(242, 235, 223, 0.1);
  border-color: rgba(227, 207, 58, 0.55);
  border-bottom-color: var(--moon);
  box-shadow: 0 0 0 3px rgba(227, 207, 58, 0.15), 0 0 18px rgba(227, 207, 58, 0.12);
}
input[type="number"] { -moz-appearance: textfield; appearance: textfield; }
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

.field.is-invalid input,
.field.is-invalid .dropdown__btn {
  border-color: rgba(255, 122, 122, 0.6);
  border-bottom-color: var(--blood-bright);
  animation: shake 0.35s;
}
@keyframes shake {
  20%, 60% { transform: translateX(-4px); }
  40%, 80% { transform: translateX(4px); }
}
.field__error {
  min-height: 1.2rem;
  margin: 0.2rem 0 0;
  font-size: 0.8rem;
  color: var(--error);
}

.affix { display: flex; align-items: stretch; }
.affix__pre {
  display: flex;
  align-items: center;
  padding: 0 0.7rem;
  background: rgba(91, 42, 134, 0.45);
  border: 1px solid rgba(242, 235, 223, 0.22);
  border-right: 0;
  border-bottom: 2px solid var(--purple-soft);
  border-radius: 3px 0 0 3px;
  color: var(--bone);
}
.affix input { border-radius: 0 3px 3px 0; }

.form__error {
  margin: 0.4rem 0 0.8rem;
  padding: 0.6rem 0.8rem;
  border: 1px solid rgba(255, 122, 122, 0.5);
  background: rgba(163, 20, 28, 0.25);
  color: var(--bone);
  font-size: 0.9rem;
  border-radius: 3px;
}

/* Trampa para bots: fuera de la vista sin usar display:none */
.hp {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* ---------- Botones ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  margin-top: 0.6rem;
  padding: 0.85rem 1.4rem;
  font-family: var(--font-display);
  font-size: 1.45rem;
  letter-spacing: 0.04em;
  color: var(--bone);
  background: linear-gradient(180deg, var(--blood-bright), var(--blood) 60%, #6e0b11);
  border: 1px solid #000;
  border-radius: 3px;
  box-shadow: 3px 3px 0 #000, 0 0 24px rgba(212, 35, 44, 0.35);
  cursor: pointer;
  overflow: hidden;
  transition: transform 0.12s, box-shadow 0.2s, filter 0.2s;
}
.btn::after {
  /* gota de sangre que cae al pasar el cursor */
  content: "";
  position: absolute;
  top: 100%;
  left: 18%;
  width: 6px;
  height: 0;
  background: var(--blood);
  border-radius: 0 0 6px 6px;
  transition: height 0.4s ease-in;
}
.btn:hover { filter: brightness(1.12); box-shadow: 3px 3px 0 #000, 0 0 36px rgba(212, 35, 44, 0.6); }
.btn:active { transform: translate(2px, 2px); box-shadow: 1px 1px 0 #000; }
.btn:focus-visible { outline: 2px solid var(--moon); outline-offset: 3px; }
.btn[disabled] { cursor: progress; filter: grayscale(0.4) brightness(0.8); }
.btn.is-loading span::after {
  content: "";
  display: inline-block;
  width: 1.5ch;
  text-align: left;
  animation: dots 1.2s steps(4) infinite;
}
@keyframes dots {
  0% { content: ""; } 25% { content: "."; } 50% { content: ".."; } 75% { content: "..."; }
}

.btn--ghost {
  background: transparent;
  border: 1px solid var(--purple-soft);
  box-shadow: none;
  font-size: 1.2rem;
}
.btn--ghost:hover { background: rgba(91, 42, 134, 0.3); box-shadow: none; }

/* ---------- Éxito ---------- */
.pumpkin {
  width: 110px;
  margin: 0 auto 0.4rem;
  animation: hover 3s ease-in-out infinite;
}
.pumpkin svg { width: 100%; height: auto; display: block; filter: drop-shadow(0 0 22px rgba(234, 88, 12, 0.55)); }
.pumpkin__glow { animation: candle 1.8s ease-in-out infinite; }
@keyframes candle {
  0%, 100% { opacity: 1; }
  30% { opacity: 0.7; }
  60% { opacity: 0.9; }
  80% { opacity: 0.6; }
}

.ticket {
  list-style: none;
  margin: 0 0 1.2rem;
  padding: 1rem 1.1rem;
  text-align: left;
  border: 1px dashed rgba(227, 207, 58, 0.5);
  background: rgba(91, 42, 134, 0.18);
  border-radius: 4px;
}
.ticket li { display: flex; flex-wrap: wrap; gap: 0 0.6rem; padding: 0.25rem 0; }
.ticket li + li { border-top: 1px solid rgba(242, 235, 223, 0.1); }
.ticket span {
  font-family: var(--font-display);
  color: var(--moon);
  min-width: 6.5rem;
  font-size: 1.1rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 520px) {
  .shell { padding: 0.75rem 16px 1rem; gap: 1rem; }
  .grid { grid-template-columns: 1fr; }
  .card { padding: 1.4rem 1.1rem 1.2rem; }
  .card__text { margin-bottom: 1rem; }
  .sigil { width: 40px; height: 40px; }
  .back { top: 0.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .bats, .embers { display: none; }
}

/* contenedor de símbolos SVG reutilizables */
.svg-defs { position: absolute; }