/* Accesibilidad básica */
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}
/* =====================================
   CONOCE CEDHU
===================================== */

.conoce-cedhu {
  position: fixed;
  top: 93px;
  left: 0;
  width: 100%;
  height: 320px;
  background: url("../img/PANORAMICACDEHU.JPG") no-repeat center/cover;
  z-index: -1;
}

.contenido {
  margin-top: 300px;
}

@media (max-width: 768px) {
  .conoce-cedhu {
    height: 200px;
  }
  .contenido {
    margin-top: 180px;
  }
}

@media (max-width: 480px) {
  .conoce-cedhu {
    top: 80px;
    height: 200px;
  }
  .contenido {
    margin-top: 180px;
  }
}

/* ==========================
   SECCIÓN NOSOTROS
============================== */

.bienvenida {
  margin: 0px;
  overflow: hidden;
}

.bienvenida-text {
  font-size: 1.3em;
  max-width: 1200px;
  margin: 0 auto 2rem;
  line-height: 1.8; /* interlineado */
  letter-spacing: 0.03em; /* espaciado entre letras */

  column-count: 2;
  column-gap: 3rem;
  column-fill: balance;

  text-align: justify;
}

.bienvenida-text p {
  margin-bottom: 1.5rem;
  break-inside: avoid;
}

@media (max-width: 768px) {
  .bienvenida-text {
    font-size: 1rem;
    column-count: 1;
  }
  .bienvenida-text p {
    font-size: 1rem;
  }
}

/* ===============================
   PRINCIPIOS Y VALORES
================================ */

.principios-valores {
  max-width: 1200px;
  margin: 4rem auto;
  padding: 0 1rem;
  text-align: center;
}


.principios-valores .intro {
  max-width: 700px;
  margin: 0 auto 2.5rem;
}

/* Grid */
.celdas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

/* Celda */
.celda {
  position: relative;
  background: #fff;
  padding: 2.5rem 1.5rem 1.8rem;
  border-radius: 16px;
  text-align: left;
  box-shadow: 0 8px 20px rgba(0,0,0,0.06);
  transition: all 0.3s ease;
  overflow: hidden;

  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.6s ease forwards;

  cursor: pointer;
}

.celda::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  height: 4px;
  width: 0%;
  background-color: #dd4134;
  transition: width 0.35s ease;
}

.celda.activa::before {
  width: 100%;
}

/* Hover elegante */
.celda:hover {
  transform: translateY(-6px);
  box-shadow: 0 14px 30px rgba(0,0,0,0.10);
}

/* Flechita */
.celda::after {
  content: "＋";
  position: absolute;
  bottom: 12px;
  left: 16px;
  font-size: 1.2rem;
  color: #c7c7c7;
  font-weight: bold;
  transition: transform 0.3s;
}

.celda.activa::after {
  content: "−";
}

/* Número grande decorativo */
.celda-number {
  position: absolute;
  top: 12px;
  right: 16px;
  font-size: 3.5rem;
  font-weight: 700;
  color: rgba(31, 60, 136, 0.08);
  user-select: none;
}

/* Título */
.celda h4 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  color: var(--color-primary);
}

/* Texto */
.celda p {
  font-size: 0.95rem;
  color: #555;
  line-height: 1.6;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, opacity 0.3s ease;
  opacity: 0;
}

.celda.activa p {
  max-height: 300px; /* suficiente para textos largos */
  opacity: 1;
  margin-top: 0.5rem;
}



.celda:nth-child(1) { animation-delay: 0.1s; }
.celda:nth-child(2) { animation-delay: 0.2s; }
.celda:nth-child(3) { animation-delay: 0.3s; }
.celda:nth-child(4) { animation-delay: 0.4s; }
.celda:nth-child(5) { animation-delay: 0.5s; }
.celda:nth-child(6) { animation-delay: 0.6s; }
.celda:nth-child(7) { animation-delay: 0.7s; }
.celda:nth-child(8) { animation-delay: 0.8s; }

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}



/* =====================================
   SECCIÓN COMUNICACIÓN (HERO INTERNO)
===================================== */
.section.comunicacion {
  position: relative;
  width: 100%;
  min-height: 400px;
  background: url("../img/imagencarruser4.jpg") no-repeat center/cover;
  margin: 0 auto 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-light);
  text-align: center;
  padding: 40px 20px;
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.section.comunicacion::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(26, 25, 25, 0.479);
}
.section.comunicacion .hero-content {
  z-index: 2;
  max-width: 900px;
}
.section.comunicacion h2 {
  font-size: clamp(1.8rem, 4.5vw, 3rem);
  font-weight: 900;
  margin-bottom: 16px;
  color: #19f37e;
  text-shadow:
    3px 3px 12px rgba(0, 0, 0, 0.9),
    0 0 10px #10b65c;
}

.section.comunicacion p {
  font-size: clamp(1rem, 2.2vw, 1.4rem);
  line-height: 1.8;
  font-weight: 600;
  color: #fff;
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.9);
}

@media (max-width: 768px) {
  .section.comunicacion {
    padding: 28px 16px;
    min-height: 320px;
  }
}
@media (max-width: 480px) {
  .section.comunicacion {
    padding: 20px 12px;
    min-height: 280px;
  }
}

/* ====== SECCIÓN BANDERA Y UNIFORME ====== */
.bandera-uniforme {
  max-width: 1200px;
  margin: 60px auto;
  padding: 0 16px;
  box-sizing: border-box;
  background: transparent;
}

.bandera-uniforme-content {
  display: flex;
  justify-content: center;
  align-items: stretch;
  gap: 40px;
  flex-wrap: wrap;
}

.bandera-box,
.uniforme-box {
  flex: 1 1 500px;
  min-width: 300px;
  background: transparent;
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: var(--transition-base);
}

.bandera-box:hover,
.uniforme-box:hover {
  box-shadow: none;
}

.bandera-box h2,
.uniforme-box h2 {
  font-size: clamp(1.4rem, 3vw, 1.8rem);
  color: black;
  margin-bottom: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.bandera-box p,
.uniforme-box p {
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-text);
  margin-bottom: 16px;
  text-align: center;
}

.bandera-box img,
.uniforme-box img {
  width: 100%;
  max-width: 450px;
  height: 350px;
  object-fit: contain;
  border-radius: var(--radius-md);
  background: transparent;
  box-shadow: none;
  transition: var(--transition-base);
}

.bandera-box img:hover,
.uniforme-box img:hover {
  transform: translateY(-6px);
  box-shadow: none;
}

/* Responsivo */
@media (max-width: 768px) {
  .bandera-uniforme-content {
    gap: 24px;
  }
  .bandera-box img,
  .uniforme-box img {
    height: 280px;
  }
}

/* =====================================
   SECCIÓN FILOSOFÍA (HERO INTERNO)
===================================== */
.section.filosofia {
  position: relative;
  width: 100%;
  min-height: 400px;
  background: url("../img/FILOSOFIA2.jpeg") no-repeat center/cover;
  margin: 0 auto 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-light);
  text-align: center;
  padding: 40px 20px;
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.section.filosofia::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(26, 25, 25, 0.479);
  z-index: 1;
}

.section.filosofia .hero-content {
  z-index: 2;
  max-width: 900px;
}

.section.filosofia h2 {
  font-size: clamp(1.8rem, 4.5vw, 3rem);
  font-weight: 900;
  margin-bottom: 16px;
  color: #19f37e;
  text-shadow: 3px 3px 12px rgba(0, 0, 0, 0.9);
}

.section.filosofia p {
  font-size: clamp(1rem, 2.2vw, 1.4rem);
  line-height: 1.8;
  font-weight: 600;
  color: #fff;
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.9);
}

/* ...continúa exactamente igual al tuyo ... */

@media (max-width: 768px) {
  .section.filosofia {
    padding: 28px 16px;
    min-height: 320px;
  }
}

@media (max-width: 480px) {
  .section.filosofia {
    padding: 20px 12px;
    min-height: 280px;
  }
}

/* =====================================
   SECCIONES BASE (CONTENEDOR)
===================================== */
.section {
  max-width: 1200px;
  margin: 0 auto 60px;
  padding: 80px 20px;
  text-align: center;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--color-accent) 0%, #fff3b0 100%);
  position: relative;
  overflow: visible;
}
.section.alt {
  background: #f9f9f9;
}

.section h2 {
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  margin-bottom: 16px;
  color: #000;
  text-transform: uppercase;
  position: relative;
  display: inline-block;
}

.section p {
  font-size: clamp(1rem, 2vw, 1.15rem);
  line-height: 1.7;
  max-width: 900px;
  margin: 0 auto 18px;
  color: var(--color-text);
}
.section img {
  max-width: 100%;
  border-radius: 16px;
  margin: 28px auto 0;
  display: block;
  box-shadow: var(--shadow-strong);
  transition: var(--transition-base);
}
.section img:hover {
  transform: scale(1.03);
  box-shadow: var(--shadow-hover);
}

@media (max-width: 768px) {
  .section {
    padding: 56px 16px;
  }
}

/* =====================================
   LEMA SECTION
===================================== */
.lema-section {
  background: linear-gradient(135deg, #c4e0ad 50%, var(--color-accent) 100%);
  padding: 30px 15px;
  border-radius: var(--radius-lg);
}
.lema-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.lema-text {
  flex: 1;
  min-width: 240px;
}
.lema-text h2 {
  font-size: 2rem;
  margin-bottom: 1.2em;
  font-weight: 700;
  color: #000;
  margin-bottom: 10px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.lema-text p {
  line-height: 1.5;
  color: var(--color-text);
}
.lema-text .highlight {
  color: #000;
  font-size: 1.05rem;
}
.lema-image {
  flex: 1;
  min-width: 240px;
  text-align: center;
}
.lema-image img {
  max-width: 80%;
  border-radius: 12px;
  transition: var(--transition-base);
}
.lema-image img:hover {
  transform: scale(1.03);
}

/* =====================================
   BOTÓN "VER MÁS"
===================================== */
.more-text {
  display: none;
  margin-top: 12px;
}
.toggle-btn {
  border: none;
  background: var(--color-primary);
  color: var(--color-light);
  font-weight: 700;
  cursor: pointer;
  margin-top: 16px;
  font-size: 1rem;
  padding: 10px 20px;
  border-radius: 30px;
  transition: var(--transition-base);
  box-shadow: var(--shadow-soft);
}
.toggle-btn:hover {
  background: var(--color-primary-dark);
  transform: scale(1.03);
}

/* =====================================
   GRID DE IMÁGENES
===================================== */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
  margin-top: 26px;
}
.grid img {
  width: 100%;
  border-radius: var(--radius-md);
  transition: var(--transition-base);
  box-shadow: var(--shadow-soft);
}
.grid img:hover {
  transform: scale(1.03);
  box-shadow: var(--shadow-hover);
}

/* =====================================
   STAFF CARDS (FLIP 3D)
===================================== */
.staff {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 260px));
  justify-content: center;
  gap: 24px;
  margin-top: 20px;
}
.staff-card {
  perspective: 1000px;
  cursor: pointer;
  outline: none;
}
.staff-card-inner {
  position: relative;
  width: 100%;
  height: 300px;
  transform-style: preserve-3d;
  transition: transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}
.staff-card.flipped .staff-card-inner {
  transform: rotateY(180deg);
}

.staff-card-front,
.staff-card-back {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: var(--shadow-card);
  background: var(--color-light);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.staff-card-front img {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 12px;
}
.staff-card-front h4 {
  margin: 8px 0 4px;
  color: var(--color-primary);
  font-size: 1.05rem;
}
.staff-card-front p {
  font-size: 0.9rem;
  color: var(--color-muted);
  text-align: center;
}
.staff-card-back {
  transform: rotateY(180deg);
  color: var(--color-text);
  font-size: 0.9rem;
  text-align: center;
  line-height: 1.5;
  padding: 22px;
}

/* Accesibilidad visual al enfocar cartas con teclado */
.staff-card:focus-visible .staff-card-inner,
.staff-card:hover .staff-card-inner {
  box-shadow: var(--shadow-hover);
}

/* =====================================
   MISIÓN & VISIÓN
===================================== */
.section.mision-vision {
  background: transparent !important; /* quita degradado heredado */
  box-shadow: none !important;
}

.mision-vision {
  display: flex;
  justify-content: space-between;
  align-items: stretch;
  gap: 26px;
  flex-wrap: wrap;
}

.mision-vision .box {
  flex: 1;
  min-width: 280px;
  background: transparent !important; /* quita fondo blanco */
  padding: 24px;
  border-radius: var(--radius-md);
  box-shadow: none !important; /* elimina sombra */
  border: none; /* opcional, más limpio */
  display: flex;
  flex-direction: column;
}

.mision-vision h2 {
  font-size: 1.8rem;
  margin-bottom: 14px;
  color: var(--color-primary);
  text-align: center;
}

.mision-vision p {
  flex: 1;
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--color-text);
  text-align: justify;
  margin: 0;
  display: flex;
  align-items: center;
}

/* ==========================
   SECCIÓN NUESTROS PRINCIPIOS
============================== */
.principios-section {
  background: linear-gradient(135deg, #c4e0ad 50%, var(--color-accent) 100%);
  max-width: 1200px;
  margin: 0 auto 80px;
  padding: 80px 20px;
  text-align: center;
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}

/* Encabezado */
.principios-section h2 {
  font-size: 2.4rem;
  margin-bottom: 10px;
  font-weight: 700;
  color: #000; /* Título negro */
  text-transform: uppercase;
  letter-spacing: 1px;
}

.principios-section > p {
  max-width: 850px;
  margin: 0 auto 60px;
  font-size: 1.1rem;
  line-height: 1.7;
  color: #000; /* Texto descriptivo negro */
}

/* Contenedor principal - 2 columnas fijas */
.principios-container {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 35px 40px;
  justify-content: center;
  align-items: start;
  padding: 0 40px;
}

@media (max-width: 768px) {
  .principios-container {
    grid-template-columns: 1fr; /* Una sola columna en móviles */
  }
}

/* Tarjeta individual */
.principio-card {
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 18px;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
  transition: all 0.4s ease;
  cursor: pointer;
  overflow: hidden;
}

.principio-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.25);
  border-color: var(--color-primary-dark);
}

/* Contenido */
.principio-content {
  padding: 20px;
}

.principio-content h3 {
  font-size: 1.25rem;
  color: #000; /* Título negro */
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: 0.5px;
}

/* Info desplegable */
.principio-info {
  max-height: 0;
  opacity: 0.01;
  overflow: hidden;
  transition: all 0.4s ease;
  background: var(--color-light);
  border-top: 2px solid var(--color-accent);
}

.principio-info p {
  font-size: 1rem;
  color: #333;
  margin: 15px 20px;
  text-align: justify;
  line-height: 1.6;
}

.principio-info.show {
  max-height: 250px;
  opacity: 1;
  padding: 10px 0;
}

.principio-card.expanded {
  transform: translateY(-5px) scale(1.02);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.25);
}


/* ==========================
   SECCIÓN - NUESTROS ESPACIOS (VIDEO)
========================== */
.video-container {
  position: relative;
  max-width: 900px;
  margin: 20px auto;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
  background-color: #000;
}

.video-container video {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
}

.video-container:hover {
  box-shadow: 0 6px 25px rgba(0, 0, 0, 0.35);
  transition: box-shadow 0.3s ease;
}

/* ==========================
   DESCRIPCIÓN - NUESTROS ESPACIOS
========================== */
.video-description {
  max-width: 850px;
  margin: 15px auto 40px;
  text-align: center;
  font-size: 1rem;
  line-height: 1.6;
  color: #333;
  background-color: #f9f9f9;
  padding: 15px 20px;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* ========== SECCIÓN ESTRUCTURA ORGANIZACIONAL ========== */
.section.alt {
  padding: 2rem 1rem;
  text-align: center;
}

.section.alt h2 {
  font-size: 2rem;
  color: #000000;
  margin-bottom: 1rem;
  font-weight: bold;
}

.section.alt img {
  max-width: 800px;
  width: 100%;
  height: auto;
  margin: 0 auto 2rem auto;
  display: block;
}

/* Contenedor del acordeón */
.accordion {
  margin: 1rem auto;
  max-width: 1100px;
  border-radius: 8px;
}

/* Botón del acordeón */
.accordion-btn {
  background-color: #10b65c;
  color: #fff;
  font-size: 1.1rem;
  font-weight: bold;
  padding: 12px 20px;
  border: none;
  border-radius: 8px;
  width: 100%;
  max-width: 1100px;
  text-align: center;
  cursor: pointer;
  transition: background-color 0.3s ease;
  display: block;
  margin: 0 auto;
}
.accordion-btn:hover {
  background-color: #0d6d38;
}

/* Contenido del acordeón (cerrado por defecto) */
.accordion-content {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

/* Grid de tarjetas del personal */
.staff {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  justify-items: center;
  padding: 1rem 0;
}

/* Tarjeta del personal */
.staff-card {
  width: 100%;
  max-width: 260px;
  min-height: 360px;
  perspective: 1000px;
  cursor: pointer;
  outline: none;
}
.staff-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.6s;
  transform-style: preserve-3d;
}
.staff-card.flipped .staff-card-inner {
  transform: rotateY(180deg);
}

/* Caras de la tarjeta */
.staff-card-front,
.staff-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  background: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 1rem;
}
.staff-card-front img {
  width: 150px;
  height: 150px;
  object-fit: cover;
  border-radius: 50%;
  margin-bottom: 0.5rem;
}

/* Textos uniformes en tarjetas */
.staff-card-front h4 {
  font-size: 1rem;
  font-weight: bold;
  margin: 0.5rem 0 0;
  color: #333;
  text-align: center;
  min-height: 2.4em; /* reserva espacio para 2 líneas */
  display: -webkit-box;

  -webkit-box-orient: vertical;
  overflow: hidden;
}
.staff-card-front p {
  font-size: 0.9rem;
  color: #555;
  margin: 0.3rem 0 0;
  text-align: center;
  min-height: 2.4em; /* reserva espacio para 2 líneas */
  display: -webkit-box;

  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Texto del reverso */
.staff-card-back {
  font-size: 0.9rem;
  line-height: 1.4;
  color: #333;
  text-align: center;
  padding: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* BOTÓN HIMNO CEDHU - Contenedor posicionado (sin cambios) */

.himno-cedhu {
  position: fixed;
  bottom: 90px;
  left: 20px;
  z-index: 50;
}

/* Botón circular (sin cambios) */
.himno-cedhu button {
  position: relative;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: #10b65c;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  text-align: center;
  line-height: 13px;
  transition: transform 0.25s ease;
  overflow: visible; /* Importante para que las ondas salgan ordenadamente */
}

/* Ícono base (PLAY) detrás y CENTRADO (sin cambios significativos) */
.himno-cedhu button::before {
  content: "\f04b"; /* fa-play */
  font-family: "Font Awesome 5 Free";
  font-weight: 900;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(0deg);
  transition:
    transform 0.3s ease,
    opacity 0.3s ease;
  font-size: 40px;
  color: #042c16;
  opacity: 0.4;
  z-index: 0;
}

/* Estado 'is-playing': Cambia a PAUSE y aplica la animación de pulso */
.himno-cedhu button.is-playing::before {
  content: "\f04c"; /* fa-pause */
  opacity: 0.5;
  animation: pulse 1.5s infinite ease-in-out;
}

/* Destello de brillo para el botón*/
.shine-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%; /* Igual al botón */
  overflow: hidden; /* ← SOLO aquí se recorta */
  z-index: 1; /* Debajo del texto, encima del icono */
  pointer-events: none;
}

.shine {
  position: absolute;
  top: 0;
  left: -80%;
  width: 60%;
  height: 100%;
  background: linear-gradient(
    to right,
    transparent 0%,
    rgb(255, 255, 255) 50%,
    transparent 0%
  );
  transform: skewX(-20deg);
  opacity: 0.01;
  transition: all 0.6s ease;
}

/* --- EFECTO DE ONDAS DE SONIDO AÑADIDO AQUÍ --- */

/* Creamos un SEGUNDO pseudo-elemento (::after) para la onda */
.himno-cedhu button::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 2px solid #10b65c;
  pointer-events: none;
  opacity: 0.01;
  transform: scale(2);
}

/* Cuando está reproduciendo, activamos la animación de la onda */
.himno-cedhu button.is-playing::after {
  animation: ripple 2s infinite cubic-bezier(0.23, 1, 0.32, 1);
}

/* Definición de la animación de "pulsación" (pulso del icono interno) */
@keyframes pulse {
  0% {
    transform: translate(-50%, -50%) scale(1);
  }
  50% {
    transform: translate(-50%, -50%) scale(1.1);
  }
  100% {
    transform: translate(-50%, -50%) scale(1);
  }
}

/* Definición de la animación de "onda" (ripple) */
@keyframes ripple {
  0% {
    transform: scale(1);
    opacity: 0.5;
  }
  100% {
    transform: scale(2); /* La onda crece al doble del tamaño del botón */
    opacity: 0; /* y desaparece */
  }
}

/* Texto SIEMPRE adelante (sin cambios) */
.himno-cedhu button span,
.himno-cedhu button br,
.himno-cedhu button p {
  position: relative;
  z-index: 2;
}

/* Hover (sin cambios) */
.himno-cedhu button:hover {
  transform: scale(1.12);
}

/* --- EFECTO DESTELLO RECTO --- */

.himno-cedhu button .shine {
  position: absolute;
  top: 0;
  left: -120%;
  width: 60%;
  height: 100%;
  background: linear-gradient(
    to right,
    transparent 0%,
    rgba(255, 255, 255, 0.35) 50%,
    transparent 100%
  );
  transform: skewX(-20deg);
  transition: all 0.6s ease;
  pointer-events: none;
  opacity: 0.01;
  z-index: 1; /* Debajo del texto pero encima del fondo */
  border-radius: 50%; /* Se adapta al borde circular del botón */
}

.himno-cedhu button:hover .shine {
  left: 140%;
  opacity: 1;
}

/* Móviles (sin cambios) */
@media (max-width: 768px) {
  .himno-cedhu {
    bottom: 70px;
    left: 12px;
  }
  .himno-cedhu button {
    font-size: 14px;
    padding: 8px 15px;
  }
}

/* Estado inicial: invisible y desplazado hacia abajo */
.animado-inicio {
  opacity: 0.01;
  transform: translateY(30px);
}

/* Estado animado: visible y en posición */
.animado {
  opacity: 1;
  transform: translateY(0);
  transition: all 0.25s ease-out; /* animación más rápida */
}

/* === Líneas decorativas debajo de todos los títulos principales === */
.section h2::after,
.principios h2::after,
.timeline h2::after {
  content: "";
  display: block;
  width: 80px;
  height: 4px;
  background-color: var(--color-accent);
  margin: 10px auto 0;
  border-radius: 2px;
}

.section h2::before,
.section h2::after {
  content: none !important;
}