/* ==========================================================================
   Imaginación Activa — Propuesta conceptual (Ingresify)
   Sistema visual: "La Pizarra" — ver .ingresify/art-direction.md
   ========================================================================== */

:root {
  --board-course-1: #1B2620;
  --board-course-2: #2B3B32;
  --board-summer-1: #3E3324;
  --board-summer-2: #4A3B2A;
  --chalk-cream: #F4F1E4;
  --chalk-cream-dim: #C9C4B2;
  --chalk-terracota: #E08F6D;
  --chalk-azul: #8FB0CE;
  --chalk-mostaza: #E3B65C;
  --ink-on-cream: #1B2620;

  --font-body: "Figtree", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-chalk: "Schoolbell", "Figtree", cursive;

  --motion-fast: 0.25s;
  --motion-base: 0.5s;
  --motion-slow: 0.9s;
  --ease-standard: cubic-bezier(.4, 0, .2, 1);

  --space-side: 20px;
  --radius-sm: 6px;
  --header-h: 64px;
}

@media (min-width: 640px) {
  :root { --space-side: 32px; }
}
@media (min-width: 1024px) {
  :root { --space-side: 64px; }
}

* { box-sizing: border-box; }
html { scroll-behavior: auto; }
html.nav-open-lock, html.nav-open-lock body { overflow: hidden; height: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--chalk-cream);
  background: var(--board-course-1);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3, p, ul { margin: 0; }
ul { padding: 0; list-style: none; }
button { font: inherit; background: none; border: 0; color: inherit; cursor: pointer; }

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

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 100;
  background: var(--chalk-cream); color: var(--ink-on-cream);
  padding: 12px 18px; border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; }

:focus-visible {
  outline: 2px solid var(--chalk-mostaza);
  outline-offset: 3px;
}

/* ---------- Header / nav ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  height: var(--header-h);
  background: rgba(27, 38, 32, 0.55);
  /* Nunca backdrop-filter/filter aquí: en un ancestro de un elemento position:fixed
     (el panel de navegación móvil vive dentro de este header) rompe su containing
     block -- el fixed pasa a posicionarse respecto al header (64px) en vez del
     viewport. Bug real detectado en QA de este proyecto: el panel de menú móvil
     quedaba "transparente"/mal posicionado por este motivo exacto. */
  border-bottom: 1px solid transparent;
  transition: background var(--motion-base) var(--ease-standard), border-color var(--motion-base) var(--ease-standard);
}
.site-header.is-scrolled {
  background: rgba(27, 38, 32, 0.88);
  border-bottom-color: rgba(244, 241, 228, 0.08);
}
.site-header__inner {
  max-width: 1280px; margin: 0 auto; height: 100%;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 var(--space-side);
  gap: 16px;
}
.brand-mark {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; color: var(--chalk-cream);
  font-weight: 700; font-size: 1rem;
}
.brand-mark__icon { width: 28px; height: 28px; color: var(--chalk-mostaza); flex-shrink: 0; }
.brand-mark__text { white-space: nowrap; }

.main-nav__list {
  display: none;
  gap: 28px;
  align-items: center;
}
.main-nav__list a {
  text-decoration: none;
  color: var(--chalk-cream-dim);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 8px 2px;
  transition: color var(--motion-fast) var(--ease-standard);
}
.main-nav__list a:hover,
.main-nav__list a:focus-visible { color: var(--chalk-cream); }

.main-nav__toggle {
  width: 44px; height: 44px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px;
}
.main-nav__toggle span {
  display: block; width: 22px; height: 2px; background: var(--chalk-cream);
  transition: transform var(--motion-fast) var(--ease-standard), opacity var(--motion-fast) var(--ease-standard);
}
.main-nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.main-nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.main-nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.header-cta {
  display: none;
  align-items: center; gap: 8px;
  text-decoration: none;
  color: var(--ink-on-cream);
  background: var(--chalk-cream);
  padding: 9px 16px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.9rem;
  white-space: nowrap;
}

@media (min-width: 900px) {
  .main-nav__toggle { display: none; }
  .main-nav__list { display: flex; position: static; background: none; padding: 0; height: auto; }
  .header-cta { display: inline-flex; }
}

@media (max-width: 899px) {
  .main-nav__list {
    display: flex;
    position: fixed; inset: var(--header-h) 0 0 0;
    z-index: 40;
    background: var(--board-course-1);
    flex-direction: column; justify-content: flex-start;
    padding: 32px var(--space-side);
    gap: 8px;
    transform: translateX(100%);
    transition: transform var(--motion-base) var(--ease-standard);
  }
  .main-nav__list.is-open { transform: translateX(0); }
  .main-nav__list a { display: block; font-size: 1.2rem; padding: 14px 0; border-bottom: 1px solid rgba(244,241,228,0.08); }
}

/* ---------- Boards (persistent surface) ---------- */
.scene {
  position: relative;
  padding: calc(var(--header-h) + 56px) var(--space-side) 72px;
  overflow: hidden;
}
.board {
  position: absolute; inset: 0; z-index: 0;
  background-image:
    radial-gradient(ellipse at 20% 15%, rgba(255,255,255,0.05), transparent 55%),
    radial-gradient(ellipse at 80% 85%, rgba(255,255,255,0.04), transparent 60%);
}
.board--course { background-color: var(--board-course-2); }
.board--summer { background-color: var(--board-summer-2); }
.scene--vacacional .board--summer::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 220px;
  background: linear-gradient(to bottom, var(--board-course-2), transparent);
  z-index: 1;
}
.board--course::after,
.board--summer::after {
  content: ""; position: absolute; inset: 0;
  background-image: repeating-linear-gradient(0deg, rgba(255,255,255,0.015) 0 1px, transparent 1px 3px);
  mix-blend-mode: overlay;
}
.chalk-dust {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background-image: radial-gradient(rgba(244,241,228,0.05) 1px, transparent 1px);
  background-size: 22px 22px;
  opacity: .5;
}

.scene__inner {
  position: relative; z-index: 2;
  max-width: 1200px; margin: 0 auto;
}
.scene__inner--narrow { max-width: 760px; text-align: center; }

/* ---------- Typography helpers ---------- */
.eyebrow {
  font-size: 0.85rem; font-weight: 700; letter-spacing: 0.04em;
  text-transform: uppercase; color: var(--chalk-mostaza);
  margin-bottom: 14px;
}
.eyebrow--chalk { font-family: var(--font-chalk); font-size: 1.35rem; text-transform: none; letter-spacing: 0; }

.scene-title {
  font-size: clamp(1.8rem, 4.2vw, 2.9rem);
  font-weight: 800;
  line-height: 1.12;
  max-width: 18ch;
  margin-bottom: 18px;
}
.scene__inner--narrow .scene-title { margin-left: auto; margin-right: auto; }

.scene-lead {
  font-size: 1.05rem;
  color: var(--chalk-cream-dim);
  max-width: 62ch;
  margin-bottom: 8px;
}
.scene__inner--narrow .scene-lead { margin-left: auto; margin-right: auto; }
.scene-lead--sello { max-width: 52ch; }

.scene-note {
  margin-top: 28px;
  font-size: 0.95rem;
  color: var(--chalk-cream-dim);
  font-style: italic;
}

.info-horario {
  margin-top: 22px;
  font-size: 0.9rem;
  color: var(--chalk-cream-dim);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 12px 26px;
  border-radius: 999px;
  font-weight: 700; font-size: 1rem;
  text-decoration: none;
  transition: transform var(--motion-fast) var(--ease-standard), background var(--motion-fast) var(--ease-standard);
}
.btn--primary { background: var(--chalk-mostaza); color: var(--ink-on-cream); }
.btn--primary:hover { transform: translateY(-2px); }
.btn--ghost { background: transparent; color: var(--chalk-cream); border: 1.5px solid rgba(244,241,228,0.5); }
.btn--ghost:hover { border-color: var(--chalk-cream); }

.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.hero__actions--cierre { justify-content: center; margin-top: 26px; }

/* ---------- Hero ---------- */
.scene--hero { padding-top: calc(var(--header-h) + 40px); min-height: 92vh; display: flex; align-items: center; }
.hero__inner { width: 100%; }

.chalk-write { display: flex; flex-direction: column; }
.chalk-write__line {
  font-family: var(--font-chalk);
  font-size: clamp(2.6rem, 8vw, 4.6rem);
  line-height: 1.05;
  color: var(--chalk-cream);
  clip-path: inset(0 0 0 0); /* visible por defecto: no-JS y reduced-motion quedan siempre resueltos */
}
.chalk-write__line--accent { color: var(--chalk-mostaza); }
.chalk-write__line--big { font-size: clamp(2.8rem, 10vw, 5.5rem); }
.chalk-write__line.is-hidden-for-draw { clip-path: inset(0 100% 0 0); }
.chalk-write__line.is-drawn {
  clip-path: inset(0 0 0 0);
  transition: clip-path var(--motion-slow) var(--ease-standard);
}

.hero__subtitle {
  margin-top: 22px;
  font-size: 1.1rem;
  max-width: 56ch;
  color: var(--chalk-cream-dim);
}

.scroll-hint {
  position: absolute; left: 50%; bottom: 28px; transform: translateX(-50%);
  z-index: 2;
}
.scroll-hint span {
  display: block; width: 1px; height: 34px;
  background: linear-gradient(var(--chalk-cream-dim), transparent);
}

/* ---------- Catálogo ---------- */
.catalogo-grid {
  display: grid; grid-template-columns: 1fr; gap: 28px;
  margin-top: 36px;
}
@media (min-width: 900px) {
  .catalogo-grid { grid-template-columns: repeat(3, 1fr); gap: 24px; }
}
.categoria {
  border-top: 2px dashed rgba(244,241,228,0.22);
  padding-top: 20px;
}
.categoria__head { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.categoria__icon { width: 34px; height: 34px; flex-shrink: 0; }
.categoria--deporte .categoria__icon { color: var(--chalk-terracota); }
.categoria--formacion .categoria__icon { color: var(--chalk-azul); }
.categoria--arte .categoria__icon { color: var(--chalk-mostaza); }
.categoria h3 { font-size: 1.2rem; font-weight: 700; }

.chalk-tags { display: flex; flex-wrap: wrap; gap: 8px 10px; }
.chalk-tags li {
  font-family: var(--font-chalk);
  font-size: 1.05rem;
  padding: 3px 12px;
  border: 1.5px solid rgba(244,241,228,0.3);
  border-radius: 999px;
  color: var(--chalk-cream);
}
.categoria--deporte .chalk-tags li { border-color: rgba(224,143,109,0.45); }
.categoria--formacion .chalk-tags li { border-color: rgba(143,176,206,0.45); }
.categoria--arte .chalk-tags li { border-color: rgba(227,182,92,0.45); }

.chalk-tags li.is-hidden-for-reveal { opacity: 0; transform: translateY(10px); }
.chalk-tags li.is-visible {
  opacity: 1; transform: translateY(0);
  transition: opacity var(--motion-base) var(--ease-standard), transform var(--motion-base) var(--ease-standard);
}

/* ---------- Excursiones (depth) ---------- */
.destinos {
  margin-top: 40px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  perspective: 1200px;
}
@media (min-width: 700px) {
  .destinos { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1100px) {
  .destinos { grid-template-columns: repeat(3, 1fr); }
}
.destino {
  background: rgba(244,241,228,0.04);
  border: 1px solid rgba(244,241,228,0.12);
  border-radius: var(--radius-sm);
  padding: 22px 20px;
}
.destino.is-hidden-for-reveal { opacity: 0; transform: translateY(18px); }
.destino.is-visible {
  opacity: 1; transform: translateY(0);
  transition: opacity var(--motion-slow) var(--ease-standard), transform var(--motion-slow) var(--ease-standard);
}

.destino__icon { width: 34px; height: 34px; color: var(--chalk-mostaza); margin-bottom: 14px; }
.destino h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 4px; }
.destino p { color: var(--chalk-cream-dim); font-size: 0.92rem; }

/* ---------- Sello (confianza) ---------- */
.sello {
  width: 62px; height: 62px; margin: 0 auto 22px;
  color: var(--chalk-mostaza);
}
.sello.is-hidden-for-reveal { opacity: 0; transform: translateY(10px); }
.sello.is-visible {
  opacity: 1; transform: none;
  transition: opacity var(--motion-base) var(--ease-standard), transform var(--motion-base) var(--ease-standard);
}

/* ---------- Cierre / contacto ---------- */
.scene--cierre { text-align: center; }
.cierre__title { margin-bottom: 22px; display: flex; justify-content: center; }

.contacto-grid {
  margin: 34px auto 0;
  display: grid; grid-template-columns: 1fr; gap: 12px;
  max-width: 520px;
}
@media (min-width: 640px) {
  .contacto-grid { grid-template-columns: 1fr 1fr; }
}
.contacto-item {
  display: flex; flex-direction: column; gap: 4px;
  background: rgba(244,241,228,0.05);
  border: 1px solid rgba(244,241,228,0.14);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  text-decoration: none;
  min-height: 48px;
  justify-content: center;
  transition: background var(--motion-fast) var(--ease-standard);
}
a.contacto-item:hover, a.contacto-item:focus-visible { background: rgba(244,241,228,0.1); }
.contacto-item__label { font-size: 0.78rem; text-transform: uppercase; letter-spacing: .04em; color: var(--chalk-cream-dim); }
.contacto-item__value { font-size: 1.05rem; font-weight: 700; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--board-course-1);
  border-top: 1px solid rgba(244,241,228,0.1);
  padding: 28px var(--space-side) 40px;
  font-size: 0.8rem;
  color: var(--chalk-cream-dim);
}
.site-footer p { max-width: 900px; margin: 0 auto 8px; }
.site-footer p:last-child { margin-bottom: 0; }

/* ---------- Reduced motion ---------- */
/* main.js nunca añade las clases is-hidden-for-* cuando prefers-reduced-motion está activo,
   así que todo permanece visible por defecto; esto solo apaga cualquier transición residual. */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}