/* ============================================================
   Fundación Amor en Acción — hoja de estilos
   Paleta tomada del logo: azul, coral y dorado sobre crema.
   ============================================================ */

:root {
  --azul: #1d4e9e;
  --azul-osc: #123468;
  --azul-tinta: #1c2b47;
  --coral: #f04e45;
  --coral-osc: #cf372e;
  --oro: #f5a71c;
  --oro-suave: #ffd98a;
  --crema: #fdf8f0;
  --crema-osc: #f6edde;
  --blanco: #ffffff;
  --gris-texto: #55617c;
  --fuente-titulo: "Fraunces", Georgia, serif;
  --fuente-cuerpo: "Karla", "Segoe UI", Helvetica, sans-serif;
  --sombra: 0 18px 45px rgba(29, 78, 158, 0.10);
  --radio: 22px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--fuente-cuerpo);
  background: var(--crema);
  color: var(--azul-tinta);
  line-height: 1.65;
  overflow-x: hidden;
  /* grano sutil para dar textura al fondo */
  background-image: radial-gradient(rgba(29, 78, 158, 0.035) 1px, transparent 1px);
  background-size: 22px 22px;
}

img { max-width: 100%; display: block; }

/* El atributo hidden manda, incluso sobre los display de más abajo. */
[hidden] { display: none !important; }

h1, h2, h3 { font-family: var(--fuente-titulo); color: var(--azul-osc); line-height: 1.12; }

h2 { font-size: clamp(1.9rem, 4.2vw, 3rem); font-weight: 650; margin: 0.35rem 0 1.1rem; }

.contenedor { max-width: 1120px; margin: 0 auto; padding: 0 1.4rem; }

.seccion { padding: 5.5rem 0; position: relative; }
.seccion-alterna { background: var(--crema-osc); }
.seccion-bajada { color: var(--gris-texto); max-width: 560px; margin-bottom: 2.2rem; }

.cejilla {
  display: inline-block;
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--coral);
  background: rgba(240, 78, 69, 0.09);
  border: 1px solid rgba(240, 78, 69, 0.25);
  padding: 0.3rem 0.9rem;
  border-radius: 999px;
}

/* Resaltes con subrayado pintado a mano */
.resalte-oro, .resalte-coral, .resalte-azul { position: relative; white-space: nowrap; }
.resalte-oro::after, .resalte-coral::after, .resalte-azul::after {
  content: "";
  position: absolute;
  left: -2%; right: -2%; bottom: 0.06em;
  height: 0.32em;
  border-radius: 3px;
  z-index: -1;
  transform: rotate(-1.2deg);
}
.resalte-oro::after   { background: var(--oro-suave); }
.resalte-coral::after { background: rgba(240, 78, 69, 0.28); }
.resalte-azul::after  { background: rgba(29, 78, 158, 0.18); }

/* ============ Botones ============ */
.btn {
  display: inline-block;
  font-weight: 700;
  font-size: 1rem;
  padding: 0.85rem 1.9rem;
  border-radius: 999px;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.btn:hover { transform: translateY(-3px); }
.btn-coral {
  background: var(--coral);
  color: #fff;
  box-shadow: 0 10px 26px rgba(240, 78, 69, 0.35);
}
.btn-coral:hover { background: var(--coral-osc); box-shadow: 0 14px 32px rgba(240, 78, 69, 0.45); }
.btn-borde {
  color: var(--azul);
  border: 2px solid rgba(29, 78, 158, 0.35);
  background: rgba(255, 255, 255, 0.6);
}
.btn-borde:hover { border-color: var(--azul); background: #fff; }

/* ============ Navegación ============ */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 1.6rem;
  background: rgba(253, 248, 240, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(29, 78, 158, 0.08);
  transition: box-shadow 0.25s ease, padding 0.25s ease;
}
.nav.compacta { box-shadow: 0 8px 30px rgba(18, 52, 104, 0.10); padding: 0.45rem 1.6rem; }
.nav-marca img { height: 52px; transition: height 0.25s ease; }
.nav.compacta .nav-marca img { height: 44px; }

.nav-links { display: flex; align-items: center; gap: 0.4rem; }
.nav-links a {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--azul-tinta);
  text-decoration: none;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  transition: background 0.2s ease, color 0.2s ease;
}
.nav-links a:hover { background: rgba(29, 78, 158, 0.08); color: var(--azul); }
.nav-links a.activo { color: var(--coral); }
.nav-links a.nav-cta {
  background: var(--azul);
  color: #fff;
  margin-left: 0.4rem;
}
.nav-links a.nav-cta:hover { background: var(--azul-osc); }

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 6px;
}
.nav-burger span {
  width: 26px; height: 3px;
  border-radius: 3px;
  background: var(--azul);
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.nav-burger.abierto span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-burger.abierto span:nth-child(2) { opacity: 0; }
.nav-burger.abierto span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ============ Hero ============ */
.hero {
  min-height: 100svh;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 2rem;
  max-width: 1180px;
  margin: 0 auto;
  padding: 7.5rem 1.6rem 4rem;
  position: relative;
}

.hero-fondo { position: absolute; inset: 0; overflow: visible; pointer-events: none; }
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.5;
  animation: respirar 9s ease-in-out infinite;
}
.blob-azul  { width: 420px; height: 420px; background: rgba(29, 78, 158, 0.35); top: -8%; right: -6%; }
.blob-coral { width: 340px; height: 340px; background: rgba(240, 78, 69, 0.30); bottom: 2%; left: -10%; animation-delay: -3s; }
.blob-oro   { width: 260px; height: 260px; background: rgba(245, 167, 28, 0.40); top: 40%; right: 30%; animation-delay: -6s; }

@keyframes respirar {
  0%, 100% { transform: scale(1) translateY(0); }
  50%      { transform: scale(1.15) translateY(-18px); }
}

.hero-contenido { position: relative; z-index: 2; }
.hero-cejilla {
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-size: 0.9rem;
  color: var(--oro);
  margin-bottom: 0.6rem;
}
.hero h1 {
  font-size: clamp(3rem, 8vw, 5.4rem);
  font-weight: 800;
  color: var(--azul);
}
.hero h1 em {
  font-style: italic;
  font-weight: 500;
  color: var(--coral);
}
.hero-lema {
  font-family: var(--fuente-titulo);
  font-style: italic;
  font-size: clamp(1.15rem, 2.4vw, 1.5rem);
  color: var(--coral-osc);
  margin: 0.8rem 0 0.6rem;
}
.hero-bajada { color: var(--gris-texto); max-width: 480px; margin-bottom: 1.8rem; }
.hero-botones { display: flex; gap: 0.9rem; flex-wrap: wrap; }

.hero-figura {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  min-height: 320px;
}
.hero-aro {
  position: absolute;
  width: min(92%, 430px);
  aspect-ratio: 1;
  border-radius: 50%;
  border: 2px dashed rgba(245, 167, 28, 0.65);
  animation: girar 40s linear infinite;
}
@keyframes girar { to { transform: rotate(360deg); } }

.hero-logo {
  width: min(88%, 420px);
  filter: drop-shadow(0 24px 40px rgba(18, 52, 104, 0.22));
}
.flotante { animation: flotar 5.5s ease-in-out infinite; }
@keyframes flotar {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-16px); }
}

.corazon {
  position: absolute;
  color: var(--coral);
  opacity: 0;
  font-size: 1.3rem;
  animation: subir 6s ease-in infinite;
}
.corazon.c1 { left: 12%; bottom: 18%; animation-delay: 0s; }
.corazon.c2 { right: 10%; bottom: 30%; animation-delay: 2s; color: var(--oro); }
.corazon.c3 { left: 30%; bottom: 6%; animation-delay: 4s; color: var(--azul); }
@keyframes subir {
  0%   { transform: translateY(0) scale(0.7); opacity: 0; }
  15%  { opacity: 0.85; }
  60%  { opacity: 0.5; }
  100% { transform: translateY(var(--subida, -140px)) scale(1.25) rotate(12deg); opacity: 0; }
}

.hero-flecha {
  position: absolute;
  bottom: 1.4rem;
  left: 50%;
  transform: translateX(-50%);
  color: var(--azul);
  font-size: 1.5rem;
  text-decoration: none;
  animation: rebotar 2s ease-in-out infinite;
}
@keyframes rebotar {
  0%, 100% { transform: translate(-50%, 0); }
  50%      { transform: translate(-50%, 8px); }
}

/* Animación de entrada al cargar (hero) */
.anim-carga {
  opacity: 0;
  transform: translateY(26px);
  animation: entrar 0.8s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  animation-delay: calc(var(--orden, 0) * 0.14s + 0.1s);
}
@keyframes entrar { to { opacity: 1; transform: none; } }

/* ============ Cinta de valores ============ */
.cinta {
  background: var(--azul);
  color: var(--crema);
  overflow: hidden;
  padding: 0.75rem 0;
  transform: rotate(-1.2deg) scale(1.02);
  box-shadow: 0 10px 30px rgba(18, 52, 104, 0.25);
}
.cinta-pista {
  display: flex;
  white-space: nowrap;
  font-family: var(--fuente-titulo);
  font-style: italic;
  font-size: 1.15rem;
  animation: desfilar 26s linear infinite;
}
@keyframes desfilar { to { transform: translateX(-50%); } }

/* ============ Quiénes somos ============ */
.dos-columnas {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: start;
}

.mv-tarjetas { display: grid; gap: 1.2rem; margin-top: 1.8rem; }
.mv {
  border-radius: var(--radio);
  padding: 1.6rem 1.8rem;
  box-shadow: var(--sombra);
}
.mv h3 { font-size: 1.25rem; margin-bottom: 0.5rem; }
.mv-mision { background: var(--azul); color: rgba(255, 255, 255, 0.92); }
.mv-mision h3 { color: var(--oro-suave); }
.mv-vision { background: var(--blanco); border: 2px solid var(--oro-suave); }
.mv-vision h3 { color: var(--coral); }

.collage {
  position: sticky;
  top: 110px;
  display: grid;
  gap: 1rem;
}
.collage img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radio);
  border: 6px solid #fff;
  box-shadow: var(--sombra);
  transition: transform 0.3s ease;
}
.collage img:nth-child(1) { transform: rotate(-2.5deg); }
.collage img:nth-child(2) { transform: rotate(2deg) translateX(6%); }
.collage img:nth-child(3) { transform: rotate(-1.5deg) translateX(-4%); }
.collage img:hover { transform: rotate(0) scale(1.04); z-index: 2; position: relative; }

/* ============ Cifras ============ */
.cifras {
  background: linear-gradient(120deg, var(--azul-osc), var(--azul) 60%, #2a63c0);
  color: #fff;
  padding: 3.6rem 0;
  position: relative;
  overflow: hidden;
}
.cifras::before {
  content: "♥";
  position: absolute;
  right: -1rem; top: -3rem;
  font-size: 14rem;
  color: rgba(255, 255, 255, 0.06);
  transform: rotate(12deg);
}
.cifras-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  text-align: center;
}
.cifra strong {
  display: block;
  font-family: var(--fuente-titulo);
  font-size: clamp(2.6rem, 6vw, 4rem);
  font-weight: 800;
  color: var(--oro);
  line-height: 1;
  margin-bottom: 0.4rem;
}
.cifra span { color: rgba(255, 255, 255, 0.85); font-size: 0.98rem; }

/* ============ Programas ============ */
.programas-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.6rem;
  margin-top: 2.4rem;
}
.programa {
  background: var(--blanco);
  border-radius: var(--radio);
  padding: 2rem 1.8rem;
  box-shadow: var(--sombra);
  border-top: 6px solid transparent;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.programa:nth-child(1) { border-top-color: var(--azul); }
.programa:nth-child(2) { border-top-color: var(--coral); }
.programa:nth-child(3) { border-top-color: var(--oro); }
.programa:hover { transform: translateY(-8px); box-shadow: 0 26px 55px rgba(18, 52, 104, 0.16); }
.programa h3 { font-size: 1.3rem; margin-bottom: 0.6rem; }
.programa p { color: var(--gris-texto); font-size: 0.97rem; }

.programa-icono {
  width: 62px; height: 62px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  margin-bottom: 1.1rem;
  transition: transform 0.25s ease;
}
.programa:hover .programa-icono { transform: rotate(-6deg) scale(1.08); }
.programa-icono svg { width: 32px; height: 32px; }
.icono-azul  { background: rgba(29, 78, 158, 0.12); }  .icono-azul svg  { fill: var(--azul); }
.icono-coral { background: rgba(240, 78, 69, 0.12); }  .icono-coral svg { fill: var(--coral); }
.icono-oro   { background: rgba(245, 167, 28, 0.16); } .icono-oro svg   { fill: #c07f06; }

/* ============ Galería ============ */
.galeria-grid {
  columns: 3 260px;
  column-gap: 1.1rem;
  margin-top: 1rem;
}
.galeria-item {
  break-inside: avoid;
  margin-bottom: 1.1rem;
  border-radius: 16px;
  overflow: hidden;
  cursor: zoom-in;
  position: relative;
  box-shadow: 0 8px 24px rgba(18, 52, 104, 0.10);
  opacity: 0;
  transform: translateY(20px);
  animation: entrar 0.6s ease forwards;
  animation-delay: calc(var(--i, 0) * 0.06s);
}
.galeria-item img {
  width: 100%;
  display: block;
  transition: transform 0.35s ease;
}
.galeria-item::after {
  content: "⊕";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 2rem;
  color: #fff;
  background: rgba(18, 52, 104, 0.35);
  opacity: 0;
  transition: opacity 0.25s ease;
}
.galeria-item:hover::after { opacity: 1; }
.galeria-item:hover img { transform: scale(1.07); }
.galeria-cargando, .galeria-vacia { color: var(--gris-texto); padding: 1.5rem 0; }

/* ============ Actividades ============ */
.actividades-grid {
  display: grid;
  /* El máximo de 380px evita que con 2 o 3 actividades las tarjetas
     queden gigantes ocupando media pantalla cada una. */
  grid-template-columns: repeat(auto-fit, minmax(280px, 380px));
  justify-content: center;
  gap: 1.7rem;
}
.actividad {
  display: flex;
  flex-direction: column;
  background: var(--blanco);
  border-radius: var(--radio);
  overflow: hidden;
  box-shadow: var(--sombra);
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.actividad:hover { transform: translateY(-8px); box-shadow: 0 26px 55px rgba(18, 52, 104, 0.16); }
.actividad:focus-visible { outline: 3px solid var(--oro); outline-offset: 3px; }

.actividad-portada {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--crema-osc);
  overflow: hidden;
}
.actividad-portada img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.45s ease; }
.actividad:hover .actividad-portada img { transform: scale(1.06); }

/* Actividad que todavía no tiene fotos: mosaico de marca en vez de portada. */
.actividad-sinfoto {
  background: linear-gradient(140deg, var(--azul) 0%, var(--azul-osc) 100%);
}
.actividad-sinfoto::before {
  content: "♥";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 8rem;
  line-height: 1;
  color: rgba(255, 255, 255, 0.10);
}

.actividad-play {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 62px;
  height: 62px;
  padding-left: 4px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(240, 78, 69, 0.94);
  color: #fff;
  font-size: 1.3rem;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.3);
  transition: transform 0.25s ease;
}
.actividad:hover .actividad-play { transform: scale(1.12); }

.actividad-cuerpo {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1.3rem 1.4rem 1.4rem;
}
.actividad-fecha {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--coral);
}
.actividad h3 { font-size: 1.2rem; line-height: 1.22; }
.actividad-texto { color: var(--gris-texto); font-size: 0.95rem; }
.actividad-meta {
  margin-top: auto;
  padding-top: 0.9rem;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--azul);
}
.actividad-meta::before { content: "✦ "; color: var(--oro); }

/* ============ Lightbox ============ */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(12, 22, 42, 0.92);
  display: grid;
  place-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}
.lightbox.abierto { opacity: 1; pointer-events: auto; }
.lightbox img, .lightbox video {
  max-width: min(92vw, 1100px);
  max-height: 78vh;
  border-radius: 14px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
  animation: entrar 0.3s ease;
}
/* Sin ancho fijo: así un video vertical de celular no queda con
   medio metro de barras negras a los costados. */
.lightbox video { width: auto; height: auto; background: #000; }
.lb-pie {
  position: absolute;
  bottom: 1.1rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 0.9rem;
  max-width: min(90vw, 760px);
  padding: 0.45rem 1.1rem;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.42);
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.9rem;
}
.lb-pie span:first-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lb-pie span:last-child { flex: none; color: rgba(255, 255, 255, 0.6); }
.lb-cerrar, .lb-flecha {
  position: absolute;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border: 0;
  cursor: pointer;
  border-radius: 50%;
  display: grid;
  place-items: center;
  transition: background 0.2s ease, transform 0.2s ease;
}
.lb-cerrar:hover, .lb-flecha:hover { background: var(--coral); transform: scale(1.08); }
.lb-cerrar { top: 1.2rem; right: 1.2rem; width: 46px; height: 46px; font-size: 1.2rem; }
.lb-flecha { top: 50%; transform: translateY(-50%); width: 52px; height: 52px; font-size: 2rem; }
.lb-flecha:hover { transform: translateY(-50%) scale(1.08); }
.lb-ant { left: 1.2rem; }
.lb-sig { right: 1.2rem; }

/* ============ Contacto ============ */
.seccion-contacto {
  background:
    radial-gradient(ellipse at 85% 15%, rgba(245, 167, 28, 0.14), transparent 50%),
    radial-gradient(ellipse at 10% 90%, rgba(240, 78, 69, 0.10), transparent 45%),
    var(--crema);
}
.contacto-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
  margin-top: 1rem;
}
.canal {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--blanco);
  border-radius: 18px;
  padding: 1.2rem 1.4rem;
  text-decoration: none;
  color: var(--azul-tinta);
  box-shadow: var(--sombra);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}
a.canal:hover { transform: translateY(-5px); box-shadow: 0 24px 50px rgba(18, 52, 104, 0.16); }
.canal-icono {
  flex: 0 0 52px;
  width: 52px; height: 52px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(29, 78, 158, 0.10);
}
.canal-icono svg { width: 26px; height: 26px; fill: var(--azul); }
a.canal:hover .canal-icono { background: var(--coral); }
a.canal:hover .canal-icono svg { fill: #fff; }
.canal-texto { display: grid; line-height: 1.35; min-width: 0; }
.canal-texto strong { font-size: 1.02rem; }
.canal-texto small {
  color: var(--gris-texto);
  font-size: 0.85rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.canal.deshabilitado {
  cursor: not-allowed;
  opacity: 0.62;
  filter: grayscale(0.35);
  position: relative;
}
.canal.deshabilitado .canal-texto small {
  color: var(--oro);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
}

/* ============ Pie ============ */
.pie {
  background: var(--azul-osc);
  color: rgba(255, 255, 255, 0.75);
  text-align: center;
  padding: 3rem 1.4rem 2.2rem;
}
.pie img {
  height: 74px;
  margin: 0 auto 1rem;
  background: #fff;
  border-radius: 16px;
  padding: 8px 14px;
}
.pie-lema {
  font-family: var(--fuente-titulo);
  font-style: italic;
  color: var(--oro-suave);
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}
.pie-copy { font-size: 0.85rem; }

/* ============ Revelado al hacer scroll ============ */
.revelar {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity 0.75s cubic-bezier(0.22, 1, 0.36, 1), transform 0.75s cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: var(--retraso, 0s);
}
.revelar.visible { opacity: 1; transform: none; }

/* ============ Accesibilidad: menos movimiento ============ */
@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;
  }
  .revelar, .anim-carga, .galeria-item, .actividad { opacity: 1; transform: none; }
}

/* ============ Responsive ============ */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; text-align: center; padding-top: 6.5rem; }
  .hero-bajada, .seccion-bajada { margin-inline: auto; }
  .hero-botones { justify-content: center; }
  .hero-figura { order: -1; min-height: min(76vw, 330px); }
  .hero-aro { width: min(70vw, 310px); }
  .hero-logo { width: min(64vw, 300px); }
  .corazon { --subida: -90px; }
  .dos-columnas { grid-template-columns: 1fr; }
  .collage { position: static; grid-template-columns: repeat(3, 1fr); }
  .programas-grid, .contacto-grid, .actividades-grid { grid-template-columns: 1fr; }
  .cifras-grid { grid-template-columns: 1fr; gap: 1.6rem; }

  .nav-burger { display: flex; }
  .nav-links {
    position: fixed;
    top: 64px;
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    background: rgba(253, 248, 240, 0.98);
    padding: 1rem 1.4rem 1.4rem;
    gap: 0.3rem;
    box-shadow: 0 20px 40px rgba(18, 52, 104, 0.15);
    transform: translateY(-130%);
    transition: transform 0.3s ease;
  }
  .nav-links.abierto { transform: translateY(0); }
  .nav-links a { padding: 0.8rem 1rem; text-align: center; }
  .nav-links a.nav-cta { margin-left: 0; }
}