/* =========================================================
   COMPONENTES — piezas reutilizables (botones, chips, marca,
   cabecera, barra móvil, alertas, itinerario)
   ========================================================= */

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  min-height: 3rem;
  padding: 0 var(--s-5);
  border: 1.5px solid transparent;
  border-radius: var(--r-pill);
  font-size: 1rem;
  font-weight: 600;
  font-variation-settings: 'wdth' var(--w-normal);
  text-decoration: none;
  white-space: nowrap;
  transition: background-color var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease),
              color var(--t-fast) var(--ease),
              transform var(--t-fast) var(--ease);
}
.btn:active { transform: scale(.98); }
.btn:disabled { opacity: .35; cursor: not-allowed; transform: none; }

.btn--primary { background: var(--c-cobre); color: var(--c-roto); }
.btn--primary:hover:not(:disabled) { background: var(--c-cobre-hover); }

.btn--ghost-light { border-color: rgba(250,250,250,.45); color: var(--c-roto); }
.btn--ghost-light:hover { border-color: var(--c-roto); background: rgba(250,250,250,.08); }

.btn--text {
  min-height: auto;
  padding: var(--s-2) 0;
  border-radius: 0;
  color: var(--c-ink-soft);
  background: none;
  text-decoration: underline;
  text-underline-offset: 4px;
}
.btn--text:hover { color: var(--c-ink); }

.btn--sm { min-height: 2.5rem; padding: 0 var(--s-4); font-size: .9375rem; }
.btn--lg { min-height: 3.5rem; padding: 0 var(--s-6); font-size: 1.0625rem; }

/* ---------- Marca ---------- */
.brand {
  display: inline-flex;
  flex-direction: column;
  line-height: 1;
  text-decoration: none;
}
.brand__name {
  font-size: 1.25rem;
  font-weight: 800;
  font-variation-settings: 'wdth' var(--w-wide);
  letter-spacing: -.01em;
}
.brand__sub {
  margin-top: .3rem;
  font-size: .75rem;
  font-weight: 500;
  font-variation-settings: 'wdth' var(--w-narrow);
  opacity: .7;
}

/* ---------- Cabecera ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  color: var(--c-roto);
  transition: background-color var(--t-med) var(--ease), color var(--t-med) var(--ease), transform var(--t-med) var(--ease);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
/* Fuera del hero: fondo arena con texto grafito */
.site-header::before {
  /* Velo oscuro sobre el hero para que el menú blanco siempre se lea */
  content: "";
  position: absolute;
  inset: 0 0 -2.5rem;
  z-index: -1;
  background: linear-gradient(to bottom, rgba(34, 37, 42, .55), rgba(34, 37, 42, 0));
  transition: opacity var(--t-med) var(--ease);
  pointer-events: none;
}
.site-header.is-solid {
  background: var(--c-arena);
  color: var(--c-ink);
  box-shadow: 0 1px 0 var(--c-line), 0 10px 30px -20px rgba(34, 37, 42, .35);
}
.site-header.is-solid::before { opacity: 0; }
/* Se esconde al bajar y vuelve al subir */
.site-header.is-hidden { transform: translateY(-100%); }

.site-nav { display: none; align-items: center; gap: var(--s-6); }
.site-nav a:not(.btn) { display: none; }
.site-nav a:not(.btn) {
  font-size: .9375rem;
  font-weight: 500;
  text-decoration: none;
  background: linear-gradient(currentColor, currentColor) 0 100% / 0 1.5px no-repeat;
  padding-block: var(--s-1);
  transition: background-size var(--t-med) var(--ease);
}
.site-nav a:not(.btn):hover,
.site-nav a[aria-current="true"] { background-size: 100% 1.5px; }

@media (min-width: 52rem) {
  .site-nav { display: flex; }
}
@media (min-width: 72rem) {
  .site-nav a:not(.btn) { display: inline; }
}

/* ---------- Barra fija móvil ---------- */
.dock {
  position: fixed;
  inset: auto var(--s-4) calc(var(--s-4) + env(safe-area-inset-bottom)) var(--s-4);
  z-index: 40;
  display: flex;
  gap: var(--s-2);
  padding: var(--s-2);
  background: var(--c-grafito);
  border-radius: var(--r-pill);
  box-shadow: 0 12px 32px -12px rgba(34, 37, 42, .55);
  transform: translateY(calc(100% + 2rem));
  transition: transform var(--t-med) var(--ease);
}
.dock.is-visible { transform: none; }
.dock__main { flex: 1; }
.dock__wa {
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: rgba(250, 250, 250, .1);
  color: var(--c-roto);
}
.dock__wa svg { width: 1.375rem; height: 1.375rem; }

@media (min-width: 52rem) {
  .dock { display: none; }
}

/* ---------- Chips ---------- */
.chips { display: flex; flex-wrap: wrap; gap: var(--s-3); }

.chip {
  min-height: 3rem;
  padding: 0 var(--s-5);
  border: 1.5px solid var(--c-line);
  border-radius: var(--r-pill);
  background: transparent;
  font-size: 1rem;
  font-weight: 500;
  transition: border-color var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}
.chip:hover { border-color: var(--c-grafito); }
.chip[aria-pressed="true"] {
  background: var(--c-grafito);
  border-color: var(--c-grafito);
  color: var(--c-roto);
}
.chip__meta {
  margin-left: var(--s-2);
  font-size: .8125rem;
  font-variation-settings: 'wdth' var(--w-narrow);
  opacity: .6;
}

/* ---------- Alertas ---------- */
.alerts { display: grid; gap: var(--s-3); }
.alerts:empty { display: none; }

.alert {
  padding: var(--s-4) var(--s-5);
  border-left: 3px solid var(--c-ambar);
  background: rgba(224, 159, 62, .12);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  font-size: .9375rem;
  line-height: 1.55;
}
.alert--warn { border-left-color: var(--c-cobre); background: rgba(200, 90, 50, .08); }
.alert strong { display: block; margin-bottom: var(--s-1); }

/* ---------- Itinerario ---------- */
.plan { display: grid; }
.plan__day {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-2);
  padding: var(--s-4) 0;
  border-bottom: 1px solid var(--c-line);
}
.plan__day:first-child { border-top: 1px solid var(--c-line); }
.plan__label {
  font-size: var(--fs-small);
  font-weight: 600;
  font-variation-settings: 'wdth' var(--w-narrow);
  color: var(--c-ink-soft);
}
.plan__items { display: grid; gap: var(--s-2); }
.plan__item { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: var(--s-1) var(--s-4); }
.plan__name { font-weight: 600; }
.plan__meta {
  font-size: var(--fs-small);
  font-variation-settings: 'wdth' var(--w-narrow);
  color: var(--c-ink-soft);
  font-variant-numeric: tabular-nums;
}
.plan__day--rest .plan__item { color: var(--c-ink-soft); }
.plan__day--out .plan__name { text-decoration: line-through; color: var(--c-ink-soft); }

@media (min-width: 40rem) {
  .plan__day { grid-template-columns: 9rem 1fr; gap: var(--s-4); }
}

/* ---------- Selector de idioma ---------- */
.lang { position: relative; display: inline-flex; align-items: center; }
.lang select {
  appearance: none;
  min-height: 2.5rem;
  padding: 0 1.9rem 0 var(--s-3);
  border: 1.5px solid currentColor;
  border-radius: var(--r-pill);
  background: transparent;
  color: inherit;
  font: inherit;
  font-size: .875rem;
  font-weight: 500;
  cursor: pointer;
}
.lang select option { color: var(--c-ink); }
.lang select:focus { outline: none; }
.lang select:focus-visible { box-shadow: 0 0 0 3px rgba(224, 159, 62, .55); }
.lang::after {
  content: "";
  position: absolute;
  right: .85rem;
  width: .4rem;
  height: .4rem;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
  pointer-events: none;
}
.site-header__inner { gap: var(--s-5); }
.site-nav { margin-left: auto; }

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

/* ---------- Botón con ícono ---------- */
.btn--icon svg { width: 1.25rem; height: 1.25rem; flex: none; }

/* ---------- WhatsApp flotante (escritorio) ---------- */
.wa-float {
  position: fixed;
  right: var(--s-6);
  bottom: var(--s-6);
  z-index: 40;
  display: none;
  place-items: center;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  background: var(--c-grafito);
  color: var(--c-roto);
  box-shadow: 0 14px 30px -12px rgba(34, 37, 42, .6);
  opacity: 0;
  transform: translateY(1rem);
  transition: opacity var(--t-med) var(--ease), transform var(--t-med) var(--ease), background-color var(--t-fast) var(--ease);
  pointer-events: none;
}
.wa-float svg { width: 1.6rem; height: 1.6rem; }
.wa-float:hover { background: var(--c-cobre); }
.wa-float.is-visible { opacity: 1; transform: none; pointer-events: auto; }
@media (min-width: 52rem) {
  .wa-float { display: grid; }
}