/* ==========================================================================
   Componentes compartidos
   ========================================================================== */

/* --- Botones --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: var(--s-2);
  height: var(--btn-h);
  padding-inline: 1.75rem;
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.02em;
  white-space: nowrap;
  transition: background-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}
.btn:active { transform: translateY(1px); }
.btn[disabled], .btn.is-disabled { opacity: 0.45; pointer-events: none; }

.btn--primary { background: var(--ink); color: var(--ivory); }
.btn--primary:hover { background: var(--mocha); color: var(--ivory); transform: translateY(-1px); }

.btn--ghost { background: transparent; color: var(--ink); border: 1px solid var(--line-strong); }
.btn--ghost:hover { border-color: var(--ink); }

.btn--text {
  height: auto; padding: 0; border-radius: 0;
  color: var(--ink);
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}
.btn--text:hover { color: var(--accent); }

.btn--sm { height: var(--btn-h-sm); padding-inline: 1.25rem; }
.btn--block { width: 100%; }

.btn.is-loading { pointer-events: none; color: transparent; position: relative; }
.btn.is-loading::after {
  content: ""; position: absolute;
  width: 1.1rem; height: 1.1rem;
  border: 2px solid rgba(255,255,255,0.35); border-top-color: var(--ivory);
  border-radius: 50%; animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* --- Header --- */
.header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--ivory) 88%, transparent);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-base) var(--ease-out);
}
.header.is-scrolled { border-bottom-color: var(--line); }
.header__inner { display: flex; align-items: center; justify-content: space-between; height: 4.5rem; }

.brand { font-family: var(--font-display); font-size: 1.5rem; color: var(--ink); letter-spacing: 0.01em; line-height: 1; }
.brand em { font-style: italic; }

.nav { display: none; align-items: center; gap: var(--s-6); }
.nav a { font-size: var(--text-sm); color: var(--text); position: relative; padding-block: var(--s-1); }
.nav a::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px; background: var(--ink);
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--dur-base) var(--ease-out);
}
.nav a:hover::after { transform: scaleX(1); }

.header__actions { display: flex; align-items: center; gap: var(--s-3); }
.header .btn--primary { height: 2.5rem; padding-inline: 1.25rem; }

.menu-toggle { width: 2.75rem; height: 2.75rem; display: grid; place-items: center; border-radius: 50%; }
.menu-toggle span { display: block; width: 1.25rem; height: 1px; background: var(--ink); position: relative; transition: background var(--dur-fast); }
.menu-toggle span::before, .menu-toggle span::after {
  content: ""; position: absolute; left: 0; width: 100%; height: 1px; background: var(--ink);
  transition: transform var(--dur-base) var(--ease-out);
}
.menu-toggle span::before { top: -6px; } .menu-toggle span::after { top: 6px; }
.menu-toggle[aria-expanded="true"] span { background: transparent; }
.menu-toggle[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span::after { transform: translateY(-6px) rotate(-45deg); }

.mobile-nav {
  position: fixed; inset: 0; z-index: 40;
  background: var(--ivory);
  padding: 6rem var(--gutter) var(--s-7);
  display: flex; flex-direction: column;
  opacity: 0; visibility: hidden;
  transition: opacity var(--dur-base) var(--ease-out), visibility 0s linear var(--dur-base);
}
.mobile-nav.is-open { opacity: 1; visibility: visible; transition-delay: 0s; }
.mobile-nav a:not(.btn) {
  font-family: var(--font-display); font-size: 2rem; color: var(--ink);
  padding-block: var(--s-3); border-bottom: 1px solid var(--line);
  opacity: 0; transform: translateY(10px);
  transition: opacity var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
}
.mobile-nav.is-open a:not(.btn) { opacity: 1; transform: none; }
.mobile-nav.is-open a:nth-child(1) { transition-delay: 60ms; }
.mobile-nav.is-open a:nth-child(2) { transition-delay: 110ms; }
.mobile-nav.is-open a:nth-child(3) { transition-delay: 160ms; }
.mobile-nav.is-open a:nth-child(4) { transition-delay: 210ms; }
.mobile-nav.is-open a:nth-child(5) { transition-delay: 260ms; }
.mobile-nav .btn { margin-top: auto; }
.mobile-nav__meta { margin-top: var(--s-5); font-size: var(--text-sm); color: var(--text-muted); }

@media (min-width: 900px) { .nav { display: flex; } .menu-toggle, .mobile-nav { display: none; } }

/* --- Pantalla de carga --- */
.loader {
  position: fixed; inset: 0; z-index: 200;
  background: var(--ivory);
  display: grid; place-items: center;
  transition: opacity 600ms var(--ease-in-out), visibility 0s linear 600ms;
}
.loader.is-done { opacity: 0; visibility: hidden; }
/* Red de contención: si el JS no corre —bloqueado, un script que no carga, un
   error de sintaxis— nadie le saca la clase y la pantalla quedaría tapada para
   siempre. Esto la retira sola a los 3 segundos, pase lo que pase. */
@keyframes loader-rescate { to { opacity: 0; visibility: hidden; } }
.loader { animation: loader-rescate 1ms linear 3s forwards; }
.loader__brand {
  font-family: var(--font-display); font-size: clamp(2rem, 5vw, 3rem); color: var(--ink);
  opacity: 0; animation: fade 700ms var(--ease-out) 100ms forwards;
}
.loader__brand em { font-style: italic; }
.loader__line {
  width: 6rem; height: 1px; background: var(--accent); margin: var(--s-4) auto 0;
  transform: scaleX(0); transform-origin: left;
  animation: loader-line 1.1s var(--ease-in-out) 300ms forwards;
}
@keyframes loader-line { to { transform: scaleX(1); } }
@keyframes fade { to { opacity: 1; } }
@media (prefers-reduced-motion: reduce) { .loader { display: none; } }

/* --- Footer --- */
.footer { border-top: 1px solid var(--line); padding-block: var(--s-8) var(--s-6); }
.footer__grid { display: grid; gap: var(--s-6); }
.footer__brand .brand { font-size: 2rem; }
.footer__brand p { margin-top: var(--s-2); color: var(--text-muted); font-size: var(--text-sm); }
.footer h4 { font-family: var(--font-body); font-weight: 500; font-size: var(--text-sm); color: var(--ink); margin-bottom: var(--s-3); }
.footer li { font-size: var(--text-sm); color: var(--text); padding-block: 3px; }
.footer li a:hover { color: var(--accent); }
.footer__bottom {
  margin-top: var(--s-7); padding-top: var(--s-4);
  border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; gap: var(--s-3);
  justify-content: space-between;
  font-size: var(--text-xs); color: var(--text-muted);
}
@media (min-width: 700px) { .footer__grid { grid-template-columns: 1.6fr 1fr 1fr 1fr; } }

/* --- Lightbox --- */
.lightbox {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(35, 30, 27, 0.92);
  display: grid; place-items: center;
  padding: var(--s-5);
  opacity: 0; visibility: hidden;
  transition: opacity var(--dur-base) var(--ease-out), visibility 0s linear var(--dur-base);
}
.lightbox.is-open { opacity: 1; visibility: visible; transition-delay: 0s; }
.lightbox__img {
  max-width: min(92vw, 900px); max-height: 82vh;
  border-radius: var(--radius-sm);
  transform: scale(0.96);
  transition: transform var(--dur-base) var(--ease-out);
}
.lightbox.is-open .lightbox__img { transform: none; }
.lightbox__caption {
  position: absolute; bottom: var(--s-5); left: 50%; transform: translateX(-50%);
  color: var(--sand); font-family: var(--font-display); font-size: 1.125rem; font-style: italic;
  text-align: center; padding-inline: var(--s-5);
}
.lightbox__close, .lightbox__nav {
  position: absolute; width: 2.75rem; height: 2.75rem;
  display: grid; place-items: center; border-radius: 50%;
  color: var(--ivory);
  transition: background var(--dur-fast);
}
.lightbox__close:hover, .lightbox__nav:hover { background: rgba(255,255,255,0.12); }
.lightbox__close { top: var(--s-4); right: var(--s-4); }
.lightbox__nav { top: 50%; transform: translateY(-50%); }
.lightbox__nav--prev { left: var(--s-3); }
.lightbox__nav--next { right: var(--s-3); }

/* --- Montos ---
   Una sola regla para todos los precios de la web, así se leen igual en la
   home, en la reserva y en el panel: fuente de la página, números todos a la
   misma altura (lining) y del mismo ancho (tabular), para que una columna de
   precios quede alineada. */
.money,
.service-row__price,
.course__price,
.sheet__price,
.opt__meta strong,
.review__row--total strong,
.ticket__rows strong {
  font-family: var(--font-money);
  font-variant-numeric: lining-nums tabular-nums;
  font-feature-settings: "lnum" 1, "tnum" 1;
  letter-spacing: 0;
}