/* ============================================================
   CENTRO ESCOLAR CATÓLICO FRAY COSME SPESSOTTO
   Hoja de estilos principal
   ------------------------------------------------------------
   Índice:
   1. Variables / Reset
   2. Tipografía
   3. Utilidades / Layout
   4. Botones y etiquetas
   5. Header y navegación
   6. Breadcrumbs
   7. Banner interior / Hero
   8. Tarjetas
   9. Timeline (niveles educativos)
   10. Acordeón (modelo educativo)
   11. Carrusel
   12. Galería + Lightbox
   13. Filtros de eventos
   14. Formulario de contacto
   15. WhatsApp flotante / Volver arriba
   16. Footer
   17. Animaciones de aparición
   ============================================================ */

/* ---------- 1. VARIABLES / RESET ---------- */
:root{
  /* Paleta institucional: azul (confianza), vino franciscano (identidad),
     dorado (alegría/juventud). Editar aquí para cambiar el sitio completo. */
  --color-primary: #1E4B8F;      /* azul institucional */
  --color-primary-dark: #143665;
  --color-secondary: #7A1F2B;    /* vino franciscano */
  --color-accent: #F0A93A;       /* dorado cálido */
  --color-background: #FBF9F5;   /* marfil cálido, no blanco puro */
  --color-surface: #FFFFFF;
  --color-text: #1B2333;
  --color-text-muted: #5A6478;
  --color-border: #E7E1D6;

  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body: 'Karla', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 26px;
  --shadow-soft: 0 10px 30px -12px rgba(27, 35, 51, 0.18);
  --shadow-lift: 0 18px 44px -16px rgba(27, 35, 51, 0.28);
  --max-width: 1200px;
  --header-h: 84px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{ animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}
body{
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-background);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  /* Prevent horizontal overflow */
  overflow-x: hidden;
}
img{ max-width: 100%; height: auto; display: block; }
a{ color: inherit; text-decoration: none; }
ul{ list-style: none; margin: 0; padding: 0; }
button{ font-family: inherit; cursor: pointer; }
input, textarea, select{ font-family: inherit; font-size: 1rem; }
:focus-visible{ outline: 3px solid var(--color-accent); outline-offset: 2px; }

/* Prevent overflow on specific elements that commonly cause issues */
img, video, iframe, embed, object { max-width: 100%; height: auto; }
table { max-width: 100%; overflow-x: auto; display: block; }
pre, code { max-width: 100%; overflow-x: auto; }

/* ---------- 2. TIPOGRAFÍA ---------- */
h1, h2, h3, h4{
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  color: var(--color-primary-dark);
  margin: 0 0 0.5em;
}
h1{ font-size: clamp(2.1rem, 4.2vw, 3.4rem); font-weight: 500; }
h2{ font-size: clamp(1.6rem, 3vw, 2.3rem); }
h3{ font-size: clamp(1.15rem, 2vw, 1.5rem); }
p{ margin: 0 0 1em; color: var(--color-text); max-width: 68ch; }
.lede{ font-size: 1.15rem; color: var(--color-text-muted); }
.text-center p{ margin-left: auto; margin-right: auto; }

/* ---------- 3. UTILIDADES / LAYOUT ---------- */
.wrap{ max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
main section{ padding: clamp(48px, 7vw, 96px) 0; }
section.surface{ background: var(--color-surface); }
section.tint{ background: #F3EEE3; }
.text-center{ text-align: center; }
.section-head{ max-width: 720px; margin: 0 0 44px; }
.section-head.center{ margin-left: auto; margin-right: auto; text-align: center; }
.eyebrow{
  display: inline-block;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--color-secondary);
  margin-bottom: 6px;
}
.grid{ display: grid; gap: 28px; }
.grid-2{ grid-template-columns: repeat(2, 1fr); }
.grid-3{ grid-template-columns: repeat(3, 1fr); }
.grid-4{ grid-template-columns: repeat(4, 1fr); }
.divider{ height: 1px; background: var(--color-border); border: 0; margin: 0; }
.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: 12px; top: -60px; background: var(--color-primary);
  color: #fff; padding: 10px 18px; border-radius: 8px; z-index: 1000; transition: top .2s ease;
}
.skip-link:focus{ top: 12px; }

/* ---------- 4. BOTONES Y ETIQUETAS ---------- */
.btn{
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: 999px; font-weight: 600; font-size: .98rem;
  border: 2px solid transparent; transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
  white-space: nowrap;
}
.btn:hover{ transform: translateY(-2px); }
.btn-primary{ background: var(--color-secondary); color: #fff; box-shadow: var(--shadow-soft); }
.btn-primary:hover{ background: #611722; }
.btn-outline{ background: transparent; border-color: var(--color-primary); color: var(--color-primary); }
.btn-outline:hover{ background: var(--color-primary); color: #fff; }
.btn-ghost{ background: rgba(255,255,255,.15); color: #fff; border-color: rgba(255,255,255,.6); backdrop-filter: blur(2px); }
.btn-ghost:hover{ background: #fff; color: var(--color-primary-dark); }
.btn-sm{ padding: 9px 18px; font-size: .88rem; }
.btn:focus-visible{ outline: 3px solid var(--color-accent); outline-offset: 2px; }
.tag{
  display: inline-block; font-size: .74rem; font-weight: 700; letter-spacing: .02em;
  padding: 5px 12px; border-radius: 999px; background: var(--color-primary); color: #fff;
}
.tag.tag-vino{ background: var(--color-secondary); }
.tag.tag-oro{ background: var(--color-accent); color: #3d2a00; }
.placeholder-note{
  display: block; font-size: .78rem; color: var(--color-secondary); background: #FBEFE1;
  border: 1px dashed var(--color-secondary); border-radius: 8px; padding: 6px 10px; margin-top: 10px;
}

/* ---------- 5. HEADER Y NAVEGACIÓN ---------- */
.site-header{
  position: sticky; top: 0; z-index: 500; background: rgba(251,249,245,.94);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--color-border);
}
.header-bar{
  max-width: var(--max-width); margin: 0 auto; padding: 14px 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  min-height: var(--header-h);
}
.brand{ display: flex; align-items: center; gap: 12px; }
.brand img{  width: 60px;
  height: 60px;
  object-fit: contain;
  flex-shrink: 0; }
.brand-text{ display: flex; flex-direction: column; line-height: 1.2; min-width: 0; }
.brand-text strong{ font-family: var(--font-display); font-size: 1.05rem; color: var(--color-primary-dark); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.brand-text span{ font-size: .72rem; color: var(--color-text-muted); letter-spacing: .03em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.nav-toggle{
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 44px; height: 44px; background: none; border: 1px solid var(--color-border); border-radius: 10px;
}
.nav-toggle span{ width: 22px; height: 2px; background: var(--color-primary-dark); margin: 0 auto; border-radius: 2px; transition: transform .25s ease, opacity .25s ease; }
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

.main-nav > ul{ display: flex; align-items: center; gap: 2px; }
.main-nav .nav-item{ position: relative; }
.main-nav .nav-item > a{
  display: flex; align-items: center; gap: 6px; padding: 12px 14px; border-radius: 10px;
  font-weight: 600; font-size: .92rem; color: var(--color-text);
}
.main-nav .nav-item > a:hover,
.main-nav .nav-item.active > a{ color: var(--color-primary); background: #EFE9DC; }
.main-nav .nav-item.active > a{ position: relative; }
.main-nav .caret{ font-size: .6rem; transition: transform .2s ease; flex-shrink: 0; }
.main-nav .nav-item:hover .caret,
.main-nav .nav-item.open .caret{ transform: rotate(180deg); }
.main-nav .btn-contacto{ background: var(--color-secondary); color: #fff !important; padding: 11px 22px !important; border-radius: 999px; }

/* Desktop dropdown - no gap, continuous hover area */
.submenu{
  display: none; position: absolute; top: 100%; left: 0; margin-top: 0;
  min-width: 250px; background: var(--color-surface); border-radius: var(--radius-md);
  box-shadow: var(--shadow-lift); padding: 10px; border: 1px solid var(--color-border);
  z-index: 100;
}
/* Bridge element to keep hover continuous between trigger and submenu */
.nav-item.has-children::after{
  content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 8px;
  pointer-events: none;
}
.main-nav .nav-item:hover .submenu,
.main-nav .nav-item.open .submenu{ display: block; }
.submenu li a{
  display: block; padding: 10px 14px; border-radius: 8px; font-size: .89rem; font-weight: 500; color: var(--color-text);
}
.submenu li a:hover{ background: #F3EEE3; color: var(--color-primary); }

/* Keyboard focus for dropdown */
.main-nav .nav-item > a:focus + .submenu,
.main-nav .nav-item:focus-within .submenu{ display: block; }

@media (max-width: 960px){
  .nav-toggle{ display: flex; }
  .main-nav{
    position: fixed; 
    top: var(--header-h); 
    right: 0; 
    bottom: 0; 
    left: 0;
    background: var(--color-background);
    transform: translateX(100%); 
    transition: transform .3s ease; 
    overflow-y: auto;
    padding: 12px 20px calc(40px + env(safe-area-inset-bottom)); 
    border-top: 1px solid var(--color-border);
    /* Use viewport height minus header - no max-height needed with top+bottom */
    height: calc(100dvh - var(--header-h));
    height: calc(100vh - var(--header-h)); /* fallback */
    overscroll-behavior: contain;
  }
  .main-nav.open{ transform: translateX(0); }
  .main-nav > ul{ flex-direction: column; align-items: stretch; gap: 4px; }
  .main-nav .nav-item > a{ padding: 16px 12px; font-size: 1rem; justify-content: space-between; }
  .submenu{
    position: static; display: none; box-shadow: none; border: none; margin: 0 0 6px 10px;
    background: #F3EEE3; border-radius: var(--radius-sm);
    max-height: 0; overflow: hidden; transition: max-height .3s ease, opacity .3s ease;
    opacity: 0; padding: 0 10px;
  }
  .main-nav .nav-item.open .submenu{ display: block; max-height: 1000px; opacity: 1; padding: 10px; }
  .main-nav .caret{ margin-left: auto; }
  .main-nav .btn-contacto{ display: block; text-align: center; margin-top: 10px; }
  
  /* Body scroll lock when menu open */
  body.menu-open{ overflow: hidden; }
}

/* ---------- 6. BREADCRUMBS ---------- */
.breadcrumbs{
  font-size: .85rem; color: rgba(255,255,255,.85);
  display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px;
  max-width: 100%; overflow: hidden;
}
.breadcrumbs a{ text-decoration: underline; text-underline-offset: 3px; }
.breadcrumbs .sep{ opacity: .6; flex-shrink: 0; }
.breadcrumbs [aria-current="page"]{ opacity: .85; text-decoration: none; word-break: break-word; }

/* ---------- 7. BANNER INTERIOR / HERO ---------- */
.page-banner{
  background: linear-gradient(125deg, var(--color-primary-dark), var(--color-primary) 70%);
  color: #fff; padding: 56px 0 68px;
}
.page-banner h1{ color: #fff; margin-bottom: 12px; }
.page-banner p{ color: rgba(255,255,255,.9); max-width: 60ch; }

.hero{ padding: 8px 0 clamp(48px, 7vw, 88px); }
.hero-copy{ max-width: 780px; margin: 0 auto; text-align: center; }
.hero-copy .eyebrow{ display: block; }
.hero-copy h1{ margin-bottom: 18px; }
.hero-copy p{ font-size: 1.1rem; color: var(--color-text-muted); margin-left: auto; margin-right: auto; }
.hero-actions{ display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; margin-top: 28px; }

/* Portada tipo "cover" de Facebook: rectangular, sin bordes redondeados */
.hero-banner{ position: relative; margin-bottom: 56px; }
.hero-banner img{
  border-radius: 0; aspect-ratio: 2.6/1; object-fit: cover;
  box-shadow: var(--shadow-lift); width: 100%; height: auto; display: block;
}
.hero-floating{
  position: absolute; left: 24px; bottom: -26px; background: var(--color-surface);
  border-radius: var(--radius-md); box-shadow: var(--shadow-lift); padding: 16px 20px;
  display: flex; align-items: center; gap: 12px; max-width: 280px; width: calc(100% - 48px);
  box-sizing: border-box;
}
.hero-floating .icon{ font-size: 1.6rem; flex-shrink: 0; }
.hero-floating strong{ display: block; font-family: var(--font-display); font-size: .95rem; color: var(--color-primary-dark); word-break: break-word; }
.hero-floating span{ font-size: .82rem; color: var(--color-text-muted); word-break: break-word; }

@media (max-width: 860px){
  .hero-banner img{ aspect-ratio: 16/10; }
}
@media (max-width: 640px){
  .hero-banner{ margin-bottom: 40px; }
  .hero-banner img{ aspect-ratio: 4/3; }
  .hero-floating{ position: static; margin-top: 16px; left: auto; bottom: auto; max-width: none; width: 100%; }
}

/* ---------- 8. TARJETAS ---------- */
.card{
  background: var(--color-surface); border-radius: var(--radius-md); overflow: hidden;
  border: 1px solid var(--color-border); box-shadow: var(--shadow-soft);
  transition: transform .22s ease, box-shadow .22s ease;
  display: flex; flex-direction: column; height: 100%;
}
.card:hover{ transform: translateY(-5px); box-shadow: var(--shadow-lift); }
.card-media{ aspect-ratio: 4/3; overflow: hidden; background: #f0f0f0; }
.card-media img{ width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.card:hover .card-media img{ transform: scale(1.03); }
.card-body{ padding: 22px 22px 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.card-body h3{ margin-bottom: 0; }
.card-body p{ color: var(--color-text-muted); font-size: .95rem; margin-bottom: 0; }
.card-meta{ display: flex; gap: 10px; align-items: center; font-size: .8rem; color: var(--color-text-muted); flex-wrap: wrap; }
.card-link{ margin-top: auto; font-weight: 700; color: var(--color-secondary); display: inline-flex; align-items: center; gap: 6px; }
.card-link::after{ content: '→'; transition: transform .18s ease; }
.card:hover .card-link::after{ transform: translateX(4px); }

.split-panel{
  display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: stretch;
}
.split-panel .panel{
  background: var(--color-surface); border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--color-border); box-shadow: var(--shadow-soft); display: flex; flex-direction: column;
}
.split-panel .panel img{ aspect-ratio: 16/10; object-fit: cover; }
.split-panel .panel .panel-body{ padding: 26px 28px 30px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
@media (max-width: 800px){ .split-panel{ grid-template-columns: 1fr; } }

/* ---------- 9. TIMELINE (niveles educativos) ---------- */
.level-path{
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: nivel;
}
.level-path .level-stop{
  position: relative; background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); padding: 26px 20px 22px; text-align: center; box-shadow: var(--shadow-soft);
}
.level-path .level-stop::before{
  counter-increment: nivel; content: counter(nivel);
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: 50%; background: var(--color-secondary); color: #fff;
  font-weight: 700; margin: 0 auto 12px;
}
.level-path .level-stop h4{ font-family: var(--font-display); margin-bottom: 6px; color: var(--color-primary-dark); }
.level-path .level-stop p{ font-size: .85rem; color: var(--color-text-muted); margin: 0; }
@media (max-width: 900px){ .level-path{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 560px){ .level-path{ grid-template-columns: 1fr; } }

.area-split{ display: grid; grid-template-columns: 1fr 1fr; gap: 26px; margin-top: 40px; }
.area-card{
  border-radius: var(--radius-lg); overflow: hidden; position: relative; color: #fff;
  display: flex; flex-direction: column; box-shadow: var(--shadow-lift);
  min-height: 320px; /* Minimum height, but can grow */
}
.area-card img{ position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.area-card::after{
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(20,54,101,.92), rgba(20,54,101,.15) 65%);
}
.area-card .area-body{ position: relative; padding: 28px; z-index: 1; display: flex; flex-direction: column; justify-content: flex-end; flex: 1; }
.area-card h3{ color: #fff; margin-bottom: 8px; }
.area-card p{ color: rgba(255,255,255,.9); margin-bottom: 16px; }
@media (max-width: 780px){ .area-split{ grid-template-columns: 1fr; } }

/* ---------- 10. ACORDEÓN (modelo educativo) ---------- */
.accordion-grid{ display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.accordion-item{
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}
.accordion-trigger{
  width: 100%; display: flex; align-items: center; gap: 16px; background: none; border: 0;
  padding: 20px 22px; text-align: left;
}
.accordion-trigger .acc-icon{
  font-size: 1.5rem; width: 48px; height: 48px; flex-shrink: 0; border-radius: 12px;
  background: #EFE9DC; display: flex; align-items: center; justify-content: center;
}
.accordion-trigger .acc-title{ flex: 1; min-width: 0; }
.accordion-trigger .acc-title strong{ display: block; font-family: var(--font-display); font-size: 1.08rem; color: var(--color-primary-dark); word-break: break-word; }
.accordion-trigger .acc-title span{ font-size: .87rem; color: var(--color-text-muted); word-break: break-word; }
.accordion-trigger .acc-toggle{
  width: 30px; height: 30px; border-radius: 50%; border: 1.5px solid var(--color-border);
  display: flex; align-items: center; justify-content: center; font-size: 1.1rem; flex-shrink: 0;
  color: var(--color-secondary); transition: transform .25s ease;
}
.accordion-trigger[aria-expanded="true"] .acc-toggle{ transform: rotate(45deg); }
.accordion-panel{
  overflow: hidden; transition: max-height .3s ease, opacity .3s ease;
  max-height: 0; opacity: 0;
}
.accordion-panel.is-open{
  max-height: 1000px; /* Large enough for content */
  opacity: 1;
}
/* Sin JavaScript, los paneles quedan visibles (contenido siempre accesible).
   main.js los colapsa a max-height:0 solo cuando puede controlarlos. */
html.js .accordion-panel{ max-height: 0; opacity: 0; }
html.js .accordion-panel.is-open{ max-height: 1000px; opacity: 1; }
.accordion-panel-inner{ padding: 0 22px 22px 86px; }
.accordion-panel-inner p{ color: var(--color-text-muted); font-size: .95rem; }
@media (max-width: 760px){
  .accordion-grid{ grid-template-columns: 1fr; }
  .accordion-panel-inner{ padding-left: 22px; }
}

/* ---------- 11. CARRUSEL ---------- */
.carousel{ position: relative; }
.carousel-viewport{ overflow: hidden; border-radius: var(--radius-md); }
.carousel-track{ display: flex; transition: transform .45s cubic-bezier(.65,0,.35,1); }
.carousel-slide{
  flex: 0 0 100%; padding: 0 10px; box-sizing: border-box;
  min-width: 0; /* Prevent flex overflow */
}
.carousel-slide figure{ margin: 0; border-radius: var(--radius-md); overflow: hidden; background: #eee; box-shadow: var(--shadow-soft); }
.carousel-slide img{ width: 100%; aspect-ratio: 4/3; object-fit: cover; cursor: zoom-in; }
.carousel-slide figcaption{ padding: 10px 4px 0; font-size: .82rem; color: var(--color-text-muted); word-break: break-word; }

.carousel-controls{ display: flex; align-items: center; justify-content: space-between; margin-top: 16px; gap: 16px; flex-wrap: wrap; }
.carousel-btn{
  width: 46px; height: 46px; border-radius: 50%; border: 1px solid var(--color-border); background: var(--color-surface);
  display: flex; align-items: center; justify-content: center; font-size: 1.1rem; color: var(--color-primary);
  box-shadow: var(--shadow-soft); flex-shrink: 0;
}
.carousel-btn:hover{ background: var(--color-primary); color: #fff; }
.carousel-btn:focus-visible{ outline: 3px solid var(--color-accent); outline-offset: 2px; }
.carousel-dots{ display: flex; gap: 8px; justify-content: center; flex: 1; min-width: 0; }
.carousel-dots button{
  width: 9px; height: 9px; border-radius: 50%; border: 0; background: var(--color-border); padding: 0;
}
.carousel-dots button[aria-current="true"]{ background: var(--color-secondary); width: 22px; border-radius: 6px; transition: width .2s ease; }
.carousel-dots button:focus-visible{ outline: 3px solid var(--color-accent); outline-offset: 2px; }

@media (min-width: 560px){ .carousel-slide{ flex-basis: 50%; } }
@media (min-width: 900px){ .carousel-slide{ flex-basis: 33.333%; } }
@media (min-width: 1180px){ .carousel-slide.wide-4 { flex-basis: 25%; } }

/* ---------- 12. GALERÍA + LIGHTBOX ---------- */
.gallery-grid{ display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.gallery-grid button{
  border: 0; padding: 0; background: none; border-radius: var(--radius-sm); overflow: hidden;
  aspect-ratio: 1/1; position: relative; box-shadow: var(--shadow-soft);
  min-width: 0; /* Prevent grid overflow */
}
.gallery-grid img{ width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.gallery-grid button:hover img{ transform: scale(1.06); }
.gallery-grid button:focus-visible{ outline: 3px solid var(--color-accent); outline-offset: 2px; }
@media (max-width: 800px){ .gallery-grid{ grid-template-columns: repeat(3,1fr); gap: 12px; } }
@media (max-width: 520px){ .gallery-grid{ grid-template-columns: repeat(2,1fr); gap: 10px; } }
@media (max-width: 380px){ .gallery-grid{ grid-template-columns: repeat(2,1fr); gap: 8px; } }

.lightbox{
  position: fixed; inset: 0; background: rgba(15,18,28,.94); z-index: 1000;
  display: none; align-items: center; justify-content: center; 
  padding: max(24px, env(safe-area-inset-top)) max(24px, env(safe-area-inset-right)) max(24px, env(safe-area-inset-bottom)) max(24px, env(safe-area-inset-left));
}
.lightbox.open{ display: flex; }
.lightbox-figure{ max-width: min(90vw, 1000px); max-height: 82vh; text-align: center; }
.lightbox-figure img{ max-width: 100%; max-height: 76vh; margin: 0 auto; border-radius: 10px; }
.lightbox-figure figcaption{ color: #fff; opacity: .8; margin-top: 12px; font-size: .9rem; max-width: 90vw; word-break: break-word; }
.lightbox-close, .lightbox-prev, .lightbox-next{
  position: absolute; background: rgba(255,255,255,.12); color: #fff; border: 1px solid rgba(255,255,255,.3);
  width: 48px; height: 48px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.3rem;
  flex-shrink: 0;
}
.lightbox-close:hover, .lightbox-prev:hover, .lightbox-next:hover{ background: rgba(255,255,255,.28); }
.lightbox-close{ top: max(20px, env(safe-area-inset-top)); right: max(20px, env(safe-area-inset-right)); }
.lightbox-prev{ left: max(20px, env(safe-area-inset-left)); top: 50%; transform: translateY(-50%); }
.lightbox-next{ right: max(20px, env(safe-area-inset-right)); top: 50%; transform: translateY(-50%); }
@media (max-width: 640px){
  .lightbox-prev{ left: max(8px, env(safe-area-inset-left)); width: 44px; height: 44px; font-size: 1.1rem; }
  .lightbox-next{ right: max(8px, env(safe-area-inset-right)); width: 44px; height: 44px; font-size: 1.1rem; }
  .lightbox-close{ top: max(10px, env(safe-area-inset-top)); right: max(10px, env(safe-area-inset-right)); width: 44px; height: 44px; font-size: 1.1rem; }
  .lightbox-figure{ max-height: 75vh; }
  .lightbox-figure img{ max-height: 68vh; }
}

/* ---------- 13. FILTROS DE EVENTOS ---------- */
.filter-bar{ display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 34px; }
.filter-btn{
  padding: 10px 20px; border-radius: 999px; border: 1.5px solid var(--color-border); background: var(--color-surface);
  font-weight: 600; font-size: .85rem; color: var(--color-text-muted);
  white-space: nowrap; flex-shrink: 0;
}
.filter-btn:hover{ border-color: var(--color-primary); color: var(--color-primary); }
.filter-btn[aria-pressed="true"]{ background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.filter-btn:focus-visible{ outline: 3px solid var(--color-accent); outline-offset: 2px; }
.events-grid{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.event-card[hidden]{ display: none; }
.empty-state{ text-align: center; padding: 40px 0; color: var(--color-text-muted); display: none; }
.empty-state.show{ display: block; }
@media (max-width: 900px){ .events-grid{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 600px){ .events-grid{ grid-template-columns: 1fr; } }

/* ---------- 14. FORMULARIO DE CONTACTO ---------- */
.contact-layout{ display: grid; grid-template-columns: .9fr 1.1fr; gap: 44px; align-items: start; }
.contact-layout-single{ display: block; max-width: 640px; margin: 0 auto; }
.info-card{
  background: var(--color-primary-dark); color: #fff; border-radius: var(--radius-lg);
  padding: 34px 30px; display: flex; flex-direction: column; gap: 20px;
}
.info-card h2{ color: #fff; }
.info-row{ display: flex; gap: 14px; align-items: flex-start; }
.info-row .ic{ font-size: 1.3rem; width: 40px; height: 40px; background: rgba(255,255,255,.12); border-radius: 10px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.info-row strong{ display: block; font-size: .82rem; text-transform: none; letter-spacing: .01em; color: rgba(255,255,255,.7); margin-bottom: 2px; }
.info-row a, .info-row span{ color: #fff; font-weight: 600; word-break: break-word; }
.social-row{ display: flex; gap: 10px; margin-top: 6px; }
.social-row a{
  width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,.12);
  display: flex; align-items: center; justify-content: center; font-size: 1.1rem;
}
.social-row a:hover{ background: rgba(255,255,255,.26); }

.map-embed{ border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--color-border); margin-top: 6px; }
.map-embed iframe{ width: 100%; height: 260px; border: 0; display: block; }

.form-card{ background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 34px 30px; box-shadow: var(--shadow-soft); }
.form-grid{ display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field{ display: flex; flex-direction: column; gap: 6px; margin-bottom: 18px; }
.form-field.full{ grid-column: 1 / -1; }
.form-field label{ font-size: .86rem; font-weight: 700; color: var(--color-primary-dark); }
.form-field input, .form-field textarea{
  padding: 13px 15px; border: 1.5px solid var(--color-border); border-radius: 10px; background: #FDFCFA;
  transition: border-color .18s ease;
  width: 100%; box-sizing: border-box;
  /* Prevent zoom on iOS - minimum 16px font size */
  font-size: max(1rem, 16px);
}
.form-field input:focus, .form-field textarea:focus{ border-color: var(--color-primary); outline: none; }
.form-field textarea{ resize: vertical; min-height: 130px; }
.field-error{ font-size: .78rem; color: var(--color-secondary); min-height: 1em; }
.form-field.invalid input, .form-field.invalid textarea{ border-color: var(--color-secondary); }
.form-status{ margin-top: 6px; padding: 14px 16px; border-radius: 10px; background: #EAF3E9; color: #285C33; display: none; font-size: .92rem; }
.form-status.show{ display: block; }
@media (max-width: 900px){ .contact-layout{ grid-template-columns: 1fr; } }
@media (max-width: 560px){ .form-grid{ grid-template-columns: 1fr; } }

/* ---------- 15. WHATSAPP FLOTANTE / VOLVER ARRIBA ---------- */
.whatsapp-float{
  position: fixed; right: 20px; bottom: 20px; z-index: 400;
  width: 58px; height: 58px; border-radius: 50%; background: #25D366; color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 1.6rem;
  box-shadow: var(--shadow-lift);
  /* Safe area for notches */
  right: max(20px, env(safe-area-inset-right));
  bottom: max(20px, env(safe-area-inset-bottom));
}
.whatsapp-float:hover{ transform: scale(1.06); }
.back-to-top{
  position: fixed; right: 20px; bottom: 88px; z-index: 400;
  width: 46px; height: 46px; border-radius: 50%; background: var(--color-primary-dark); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 1.1rem; border: 0;
  box-shadow: var(--shadow-soft); opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity .2s ease, transform .2s ease, visibility .2s;
  right: max(20px, env(safe-area-inset-right));
  bottom: max(88px, calc(20px + env(safe-area-inset-bottom) + 58px));
}
.back-to-top.show{ opacity: 1; visibility: visible; transform: translateY(0); }
@media (max-width: 640px){
  .whatsapp-float{ right: max(14px, env(safe-area-inset-right)); bottom: max(14px, env(safe-area-inset-bottom)); width: 52px; height: 52px; }
  .back-to-top{ right: max(14px, env(safe-area-inset-right)); bottom: max(76px, calc(14px + env(safe-area-inset-bottom) + 52px)); }
}

/* Ensure floating buttons don't overlap on very small screens */
@media (max-width: 380px){
  .back-to-top{ bottom: max(70px, calc(14px + env(safe-area-inset-bottom) + 48px)); width: 42px; height: 42px; font-size: 1rem; }
  .whatsapp-float{ width: 48px; height: 48px; font-size: 1.4rem; }
}

/* ---------- 16. FOOTER ---------- */

.site-footer {
    background: var(--color-primary-dark);
    color: rgba(255,255,255,.86);
    padding: 64px 0 0;
    margin-top: 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 36px;
    padding-bottom: 44px;
}

.footer-col {
    text-align: center;
}

.footer-brand {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    justify-content: center;
}

.footer-brand img {
    width: 60px;
    height: 60px;
    object-fit: contain;
    flex-shrink: 0;
}

.footer-brand strong {
    display: block;
    color: #fff;
    font-family: var(--font-display);
    font-size: 1.05rem;
}

.footer-brand p {
    color: rgba(255,255,255,.7);
    font-size: .87rem;
    margin-top: 8px;
}

.footer-col h4 {
    color: #fff;
    font-family: var(--font-body);
    font-weight: 700;
    font-size: .85rem;
    letter-spacing: .03em;
    margin-bottom: 14px;
}

.footer-col a,
.footer-col p {
    display: block;
    color: rgba(255,255,255,.75);
    font-size: .9rem;
    margin-bottom: 10px;
}

.footer-col a:hover {
    color: #fff;
}

.footer-social {
    display: flex;
    justify-content: center;
}

.footer-social a {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255,255,255,.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: rgba(255,255,255,.75);
}

.footer-social a:hover {
    background: rgba(255,255,255,.2);
    color: #fff;
}

.footer-social a:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.14);
    padding: 20px 0;
    text-align: center;
    font-size: .82rem;
    color: rgba(255,255,255,.65);
}

@media (max-width: 760px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
        text-align: center;
    }
    .footer-brand {
        justify-content: center;
        text-align: left;
    }
}

/* ---------- 17. ANIMACIONES DE APARICIÓN ---------- */
/* Por defecto TODO el contenido es visible (funciona sin JavaScript).
   Solo si la clase "js" está presente en <html> (añadida por un script
   mínimo e inmediato) se oculta brevemente para animar su aparición. */
html.js .reveal{ opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
html.js .reveal.in-view{ opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce){
  html.js .reveal{ opacity: 1; transform: none; transition: none; }
}