:root {
  --azul: #3b82f6;
  --azul-oscuro: #082a66;
  --rojo: #ef4444;
  --negro: #0a0a0d;
  --superficie: #16171d;
  --superficie-2: #1c1e26;
  --titulo: #f4f6fb;
  --gris-medio: #9aa3b5;
  --blanco: #ffffff;
  --borde: rgba(255,255,255,0.08);
  --sombra: 0 10px 30px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.05);
  --radio: 14px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Poppins', Arial, sans-serif;
  color: var(--gris-medio);
  background: var(--negro);
  line-height: 1.6;
}

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

a { text-decoration: none; color: inherit; }

ul { list-style: none; }

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.seccion { padding: 90px 0; }
.seccion-alt { background: var(--superficie-2); }

.eyebrow {
  display: inline-block;
  color: var(--rojo);
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-size: 13px;
  margin-bottom: 10px;
}

.titulo-seccion {
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 700;
  color: var(--titulo);
  margin-bottom: 16px;
}

.subtitulo-seccion {
  color: var(--gris-medio);
  max-width: 640px;
  margin-bottom: 48px;
  font-size: 16px;
}

.encabezado-centro { text-align: center; margin-left: auto; margin-right: auto; }
.encabezado-centro .subtitulo-seccion { margin-left: auto; margin-right: auto; }

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 15px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
}
.btn-primario { background: var(--rojo); color: var(--blanco); }
.btn-primario:hover { transform: translateY(-2px); box-shadow: 0 10px 20px rgba(239,68,68,.35); }
.btn-secundario { background: transparent; border-color: var(--blanco); color: var(--blanco); }
.btn-secundario:hover { background: var(--blanco); color: var(--azul); }
.btn-outline-azul { background: transparent; border-color: var(--azul); color: var(--azul); }
.btn-outline-azul:hover { background: var(--azul); color: var(--blanco); }

/* Header */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(10,10,13,0.9);
  backdrop-filter: blur(6px);
  box-shadow: 0 2px 16px rgba(0,0,0,0.4);
  border-bottom: 1px solid var(--borde);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
}
.marca {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  color: var(--titulo);
}
.marca img { width: 46px; height: 46px; }
.marca .nombre { font-size: 15px; line-height: 1.2; }
.marca .nombre span { display: block; font-size: 11px; font-weight: 500; color: var(--gris-medio); letter-spacing: .5px; }

.nav-links {
  display: flex;
  gap: 30px;
}
.nav-links a {
  font-size: 14.5px;
  font-weight: 500;
  color: #d1d5db;
  position: relative;
  padding: 6px 0;
}
.nav-links a:hover { color: var(--rojo); }

.nav-cta { display: flex; align-items: center; gap: 16px; }
.nav-cta .btn { padding: 10px 22px; font-size: 14px; }

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.menu-toggle span {
  width: 26px; height: 3px; background: var(--titulo); border-radius: 3px;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 90px;
  padding-bottom: 40px;
  background:
    radial-gradient(circle at 80% 20%, rgba(239,68,68,0.22), transparent 45%),
    linear-gradient(135deg, #050813, var(--azul-oscuro) 60%);
  color: var(--blanco);
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(120deg, rgba(255,255,255,0.04) 0 2px, transparent 2px 60px);
  pointer-events: none;
}
.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 50px;
  width: 100%;
}
.hero-texto .eyebrow { color: #ffb3b8; }
.hero-texto h1 {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 20px;
}
.hero-texto h1 em { color: #ff9ca2; font-style: normal; }
.hero-texto p {
  font-size: 17px;
  max-width: 520px;
  color: #c3cbe0;
  margin-bottom: 34px;
}
.hero-acciones { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-badge {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-badge .anillo {
  width: 340px; height: 340px;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
  border: 2px dashed rgba(255,255,255,0.2);
  display: flex; align-items: center; justify-content: center;
  animation: girar 40s linear infinite;
}
.hero-badge img { width: 230px; height: 230px; filter: drop-shadow(0 20px 30px rgba(0,0,0,0.5)); }
@keyframes girar { from { transform: rotate(0deg);} to { transform: rotate(360deg);} }

.hero-stats {
  position: relative;
  z-index: 2;
  margin-top: 60px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  border-top: 1px solid rgba(255,255,255,0.14);
  padding-top: 28px;
}
.hero-stats .stat h3 { font-size: 28px; font-weight: 700; color: var(--titulo); }
.hero-stats .stat p { font-size: 13px; color: #9aa8cc; }

/* Quienes somos */
.quienes-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.quienes-imagen {
  aspect-ratio: 4/3.4;
  border-radius: var(--radio);
  background: linear-gradient(160deg, var(--azul) 0%, #051235 100%);
  position: relative;
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--sombra);
}
.quienes-imagen .icono-marca { width: 130px; opacity: 0.9; }
.quienes-imagen::before {
  content: "";
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(45deg, rgba(255,255,255,0.05) 0 10px, transparent 10px 20px);
}
.quienes-texto p { color: var(--gris-medio); margin-bottom: 18px; }

.valores-lista {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 28px;
}
.valor-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: var(--superficie);
  border: 1px solid var(--borde);
  padding: 14px 16px;
  border-radius: 10px;
}
.valor-item .punto {
  width: 10px; height: 10px; border-radius: 50%; background: var(--rojo);
  margin-top: 6px; flex-shrink: 0;
}
.valor-item strong { display: block; font-size: 14.5px; color: var(--titulo); }
.valor-item span { font-size: 13.5px; color: var(--gris-medio); }

/* Mision / Vision */
.mv-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}
.mv-card {
  background: var(--superficie);
  border-radius: var(--radio);
  padding: 40px;
  box-shadow: var(--sombra);
  border-top: 4px solid var(--azul);
  position: relative;
}
.mv-card.rojo { border-top-color: var(--rojo); }
.mv-card .icono {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: var(--azul);
  color: var(--blanco);
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
  margin-bottom: 22px;
}
.mv-card.rojo .icono { background: var(--rojo); }
.mv-card h3 { font-size: 21px; color: var(--titulo); margin-bottom: 14px; }
.mv-card p { color: var(--gris-medio); }

/* Funciones */
.funciones-lista {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.funcion-item {
  display: flex;
  gap: 18px;
  background: var(--superficie);
  padding: 22px;
  border-radius: 12px;
  box-shadow: var(--sombra);
}
.funcion-item .num {
  font-size: 22px;
  font-weight: 700;
  color: var(--rojo);
  min-width: 34px;
}
.funcion-item h4 { color: var(--titulo); font-size: 16px; margin-bottom: 6px; }
.funcion-item p { font-size: 14px; color: var(--gris-medio); }

/* Servicios */
.servicios-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.servicio-card {
  background: var(--superficie);
  border-radius: var(--radio);
  padding: 34px 28px;
  box-shadow: var(--sombra);
  transition: transform .25s ease, box-shadow .25s ease;
  border-bottom: 3px solid transparent;
}
.servicio-card:hover {
  transform: translateY(-6px);
  border-bottom-color: var(--rojo);
}
.servicio-card .emoji {
  width: 58px; height: 58px;
  border-radius: 16px;
  background: var(--superficie-2);
  display: flex; align-items: center; justify-content: center;
  font-size: 26px;
  margin-bottom: 20px;
}
.servicio-card h3 { font-size: 18px; color: var(--titulo); margin-bottom: 10px; }
.servicio-card p { font-size: 14.5px; color: var(--gris-medio); }

/* Personal */
.aviso-pendiente {
  background: rgba(251,191,36,0.08);
  border: 1px solid rgba(251,191,36,0.35);
  color: #fbbf24;
  padding: 12px 18px;
  border-radius: 10px;
  font-size: 13.5px;
  margin-bottom: 36px;
  max-width: 640px;
}

.personal-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.persona-card {
  background: var(--superficie);
  border-radius: var(--radio);
  overflow: hidden;
  box-shadow: var(--sombra);
  text-align: center;
}
.persona-foto {
  aspect-ratio: 1/1;
  background: linear-gradient(160deg, #1e2536, #12151f);
  display: flex; align-items: center; justify-content: center;
  color: var(--azul);
  font-size: 40px;
}
.persona-info { padding: 18px 14px 22px; }
.persona-info h4 { color: var(--titulo); font-size: 15.5px; margin-bottom: 4px; }
.persona-info span { font-size: 12.5px; color: var(--rojo); font-weight: 600; text-transform: uppercase; letter-spacing: .5px; }

/* Galeria */
.galeria-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 160px;
  gap: 14px;
}
.galeria-grid .g-item:nth-child(4n+1) { grid-row: span 2; }
.g-item {
  border-radius: 12px;
  background: linear-gradient(160deg, var(--azul), #0a1a3d);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.8);
  font-size: 13px;
  text-align: center;
  padding: 10px;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--borde);
}
.g-item:nth-child(odd) { background: linear-gradient(160deg, #3d4a63, #1b2231); }
.g-item span { position: relative; z-index: 2; }

/* CTA voluntariado */
.cta-voluntariado {
  background: linear-gradient(120deg, var(--rojo), #b91c1c);
  color: var(--blanco);
  border-radius: 20px;
  padding: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
}
.cta-voluntariado h2 { font-size: 28px; margin-bottom: 10px; }
.cta-voluntariado p { color: #ffe3e5; max-width: 480px; }

/* Contacto */
.contacto-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 50px;
}
.contacto-info-item {
  display: flex;
  gap: 16px;
  margin-bottom: 26px;
}
.contacto-info-item .icono {
  width: 46px; height: 46px;
  border-radius: 12px;
  background: var(--superficie-2);
  color: var(--azul);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.contacto-info-item h4 { font-size: 15px; color: var(--titulo); margin-bottom: 2px; }
.contacto-info-item p, .contacto-info-item a { font-size: 14px; color: var(--gris-medio); }

.form-contacto {
  background: var(--superficie);
  border: 1px solid var(--borde);
  padding: 34px;
  border-radius: var(--radio);
  display: grid;
  gap: 16px;
}
.form-contacto .fila { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-contacto input,
.form-contacto select,
.form-contacto textarea {
  width: 100%;
  padding: 13px 16px;
  border-radius: 8px;
  border: 1px solid var(--borde);
  font-family: inherit;
  font-size: 14.5px;
  background: var(--superficie-2);
  color: var(--titulo);
}
.form-contacto input::placeholder,
.form-contacto textarea::placeholder { color: var(--gris-medio); }
.form-contacto textarea { resize: vertical; min-height: 110px; }
.form-contacto label { font-size: 13px; color: var(--gris-medio); margin-bottom: -8px; display: block; }

/* Footer */
.footer {
  background: #050608;
  color: #cfd9ec;
  padding: 60px 0 24px;
  border-top: 1px solid var(--borde);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-marca { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.footer-marca img { width: 44px; height: 44px; }
.footer-marca strong { color: var(--blanco); font-size: 16px; }
.footer p.desc { font-size: 13.5px; color: #a9b6d4; max-width: 280px; }
.footer h5 { color: var(--blanco); font-size: 14.5px; margin-bottom: 18px; }
.footer ul li { margin-bottom: 10px; }
.footer ul li a { font-size: 13.5px; color: #a9b6d4; }
.footer ul li a:hover { color: var(--blanco); }
.footer-social { display: flex; gap: 10px; margin-top: 18px; }
.footer-social a {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center;
  font-size: 15px;
}
.footer-social a:hover { background: var(--rojo); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 22px;
  text-align: center;
  font-size: 12.5px;
  color: #6b7591;
}

/* Boton flotante volver arriba */
.volver-arriba {
  position: fixed;
  bottom: 26px; right: 26px;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--azul);
  color: var(--blanco);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 20px rgba(0,0,0,0.45);
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease, transform .3s ease;
  z-index: 900;
  font-size: 18px;
  border: none;
  cursor: pointer;
}
.volver-arriba.visible { opacity: 1; pointer-events: auto; }
.volver-arriba:hover { transform: translateY(-3px); background: var(--rojo); }

/* Responsive */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-texto p { margin-left: auto; margin-right: auto; }
  .hero-acciones { justify-content: center; }
  .hero-badge { order: -1; }
  .hero-badge .anillo { width: 260px; height: 260px; }
  .hero-badge img { width: 170px; height: 170px; }
  .quienes-grid { grid-template-columns: 1fr; }
  .mv-grid { grid-template-columns: 1fr; }
  .funciones-lista { grid-template-columns: 1fr; }
  .servicios-grid { grid-template-columns: repeat(2, 1fr); }
  .personal-grid { grid-template-columns: repeat(2, 1fr); }
  .galeria-grid { grid-template-columns: repeat(2, 1fr); }
  .contacto-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .nav-links, .nav-cta .btn-outline-azul { display: none; }
  .menu-toggle { display: flex; }
  .nav-links.abierto {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px; left: 0; right: 0;
    background: var(--negro);
    border-bottom: 1px solid var(--borde);
    padding: 20px 24px;
    box-shadow: 0 12px 20px rgba(0,0,0,0.4);
  }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .servicios-grid { grid-template-columns: 1fr; }
  .personal-grid { grid-template-columns: 1fr 1fr; }
  .form-contacto .fila { grid-template-columns: 1fr; }
  .cta-voluntariado { flex-direction: column; text-align: center; }
  .footer-grid { grid-template-columns: 1fr; }
}

/* ---------- Contenido dinámico (fotos, videos, formulario) ---------- */
.hero.con-imagen {
  background:
    linear-gradient(135deg, rgba(5,8,19,0.92), rgba(8,42,102,0.78) 60%),
    var(--hero-img) center / cover no-repeat;
}

.quienes-imagen.con-foto::before { display: none; }
.quienes-imagen .foto-cubrir { width: 100%; height: 100%; object-fit: cover; }

.persona-foto img { width: 100%; height: 100%; object-fit: cover; }

.g-foto {
  padding: 0;
  cursor: pointer;
  font: inherit;
  color: inherit;
}
.g-foto img, .g-foto video {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.g-foto:hover img, .g-foto:hover video { transform: scale(1.05); }
.g-foto:focus-visible { outline: 3px solid var(--azul); outline-offset: 2px; }
.g-titulo {
  position: absolute !important;
  left: 0; right: 0; bottom: 0;
  padding: 26px 12px 10px;
  background: linear-gradient(transparent, rgba(0,0,0,0.75));
  color: #fff;
  font-size: 12.5px;
  text-align: left;
}
.g-play {
  position: relative;
  z-index: 2;
  width: 54px; height: 54px;
  border-radius: 50%;
  background: rgba(239,68,68,0.92);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  padding-left: 4px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.4);
}

.lightbox {
  position: fixed; inset: 0;
  z-index: 2000;
  background: rgba(0,0,0,0.92);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  padding: 60px 16px 30px;
}
.lightbox[hidden] { display: none; }
.lightbox-contenido { width: 100%; max-width: 1100px; display: flex; justify-content: center; }
.lightbox-contenido img, .lightbox-contenido video {
  max-width: 100%;
  max-height: 78vh;
  border-radius: 10px;
}
.lightbox-contenido iframe { width: 100%; aspect-ratio: 16/9; border: 0; border-radius: 10px; max-height: 78vh; }
.lightbox-titulo { color: #e5e7eb; margin-top: 14px; font-size: 14px; text-align: center; }
.lightbox-cerrar {
  position: absolute; top: 14px; right: 16px;
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(255,255,255,0.12); color: #fff;
  border: none; font-size: 18px; cursor: pointer;
}
.lightbox-cerrar:hover { background: var(--rojo); }

.campo-trampa { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.form-estado { font-size: 14px; min-height: 1.4em; }
.form-estado.ok { color: #4ade80; }
.form-estado.error { color: #f87171; }
.form-contacto button[disabled] { opacity: .6; cursor: wait; }