/* Submenú de detalles: oculta el menú principal y muestra solo el bloque de detalles */

/* 1. Oculta todos los enlaces cuando estamos en modo submenu */
nav.sidebar.submenu > a {
  display: none;
}

/* 2. Ajusta el contenedor .details para ocupar todo el espacio disponible */
nav.sidebar.submenu .details {
  flex: 1 1 auto;
  padding: 2rem 1.5rem;
}

/* 3. Estilo para el botón de cerrar dentro del submenu */
nav.sidebar.submenu .close-btn {
  display: inline-block;
  margin-bottom: 0;
  background: none;
  border: 1px solid var(--neon);
  color: var(--neon);
  padding: 0.5rem 1rem;
  border-radius: 5px;
  cursor: pointer;
}
    :root {
  --neon: #D90429;
  --bg: #0a0a0a;
  --glass: rgba(255,255,255,0.05);
}
*, *::before, *::after {
  margin: 0; padding: 0; box-sizing: border-box;
}
body {
  font-family: 'Poppins', sans-serif;
  background: var(--bg);
  color: #fff;
  overflow-x: hidden;
}
.separator {
  border: 0;
  height: 2px;
  background-color: #D90429;
  margin: 0.5rem 0 1.5rem;
  width: 100%;
}

.container h3 a:hover {
  text-decoration: underline;
}
/* Sidebar */
.hamburger {
  position: fixed; top: 1.5rem; right: 1.5rem;
  z-index: 1100; background: none; border: none;
  color: var(--neon); font-size: 2rem; cursor: pointer;
  filter: drop-shadow(0 0 5px var(--neon));
  transition: transform 0.3s;
}
.hamburger:hover { transform: scale(1.1); }

nav.sidebar {
  position: fixed; top: 0; right: -300px;
  width: 300px; height: 100vh;
  background: rgba(10,10,10,0.98);
  backdrop-filter: blur(15px);
  padding: 2rem 1.5rem;
  display: flex; flex-direction: column; gap: 2rem;
  transition: right 0.4s ease;
  z-index: 1000; border-left: 2px solid var(--neon);
  box-shadow: -10px 0 30px rgba(217,4,41,0.3);
  overflow-y: auto;
  right: -300px;           /* oculto 300px a la derecha */
  transition: right 0.4s ease;
}
nav.sidebar.open {
  right: 0;                /* al añadir .open aparece */
}
nav.sidebar a {
  color: #bbb; text-decoration: none;
  font-size: 1.2rem; padding: 0.8rem;
  border-radius: 8px; overflow: hidden;
  position: relative; transition: all 0.3s;
}
nav.sidebar a:hover, nav.sidebar a.active {
  color: #fff; transform: translateX(-10px);
}
nav.sidebar a::before {
  content: '';
  position: absolute; top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(217,4,41,0.2), transparent);
  transition: 0.4s;
}
nav.sidebar a:hover::before { left: 100%; }

/* Submenú */
nav.sidebar.submenu > a { display: none; }
nav.sidebar .details { display: none; }
nav.sidebar.submenu .details {
  display: block;
  flex: 1 1 auto;
  padding: 2rem 1.5rem;
}
nav.sidebar.submenu .close-btn {
  display: inline-block;
  margin-bottom: 1rem;
  background: none;
  border: 1px solid var(--neon);
  color: var(--neon);
  padding: 0.5rem 1rem;
  border-radius: 5px;
  cursor: pointer;
}
.details {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid rgba(217,4,41,0.3);
}
.details h4 {
  font-size: 1.5rem; color: var(--neon);
  margin-bottom: 1rem;
}
.details p {
  font-size: 1rem; margin: 0.5rem 0;
}
.details .btn {
  display: block; margin-top: 1rem;
  text-align: center; font-size: 1rem;
  padding: 0.8rem; width: 100%;
}

/* Time info */
.time-info {
  color: #fff !important; /* 👈 Esto se impone siempre */
  background: rgba(217,4,41,0.1);
  border: 1px solid var(--neon);
  border-radius: 10px;
  padding: 1rem;
  margin: 1.5rem auto 0;
  max-width: 400px;
  text-align: center;
}

/* Header con parallax */
header {
  position: relative; height: 75vh; overflow: hidden;
  display: flex; align-items: center; justify-content: center; text-align: center;
}
header + * {
  margin-top: 0 !important;
  padding-top: 0 !important;
}
section:first-of-type {
  margin-top: 0 !important;
  padding-top: 0 !important;
}
.parallax-bg {
  position: absolute; top: 0; left: 0; width: 100%; height: 70%;
  background: url('https://i.postimg.cc/Jh9FFCsW/WEB.png') center/cover;
  filter: saturate(0.8) brightness(0.4) contrast(1.2);
  transform: translateZ(-1px) scale(1.2);
  opacity: 0.8; will-change: transform;
}
.header-content {
  position: relative; z-index: 1;
  background-color: rgba(0, 0, 0, 0.2); /* Fondo semitransparente */
  padding: 1em;
  text-align: center;
  border-radius: 10px;
}
.header-content h1 {
  font-size: 4rem; color: var(--neon);
  text-shadow: 0 0 20px rgba(217,4,41,0.6);
}
.header-content h2 {
  font-size: 1.5rem; color: #ddd; font-weight: 300;
  margin-top: 0.5rem;
}

/* Main content */
.container { padding: 2rem; max-width: 1200px; margin: 0 auto; }
section { margin: 2rem 0; }
h3 {
  font-size: 2.5rem; color: var(--neon);
  margin-bottom: 3rem; text-align: center;
}

/* Progress */
#progress { text-align: center; }
.circle {
  position: relative; width: 200px; height: 200px;
  border-radius: 50%;
  background: conic-gradient(var(--neon) 0% 100%, #333 100% 100%);
  margin: 0 auto; box-shadow: 0 0 30px rgba(217,4,41,0.6);
  animation: glow 2s infinite alternate;
}
.circle span {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-size: 3rem; font-weight: 600;
}
@keyframes glow {
  from { box-shadow: 0 0 10px var(--neon); }
  to { box-shadow: 0 0 40px var(--neon); }
}

/* Videos */
.videos {
  display: grid; grid-template-columns: 1fr; gap: 3rem;
  max-width: 1000px; margin: 0 auto;
  align-items: center; /* centra el botón debajo del iframe */
}
.video-card {
  display: flex;
  flex-direction: column;
  align-items: center; /* centra el botón debajo del iframe */
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 0 30px rgba(217,4,41,0.3);
  transition: transform 0.3s;
  padding-bottom: 1.5rem; /* 👈 añade esto */
}
.video-card:hover { transform: scale(1.02); }
.video-card iframe { width: 100%; height: 500px; border: none; }
.video-card .btn {
  margin-top: 1rem;
  align-self: center; /* se asegura de que esté centrado */
}

/* Botón */
.btn {
  display: inline-block; padding: 1rem 2rem;
  background: var(--neon); color: #fff; border-radius: 50px;
  text-decoration: none; transition: all 0.3s;
  white-space: nowrap;
}
.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(217,4,41,0.4);
}

/* Documents */
.downloads-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px,1fr));
  gap: 2rem; margin-top: 3rem;
}
.doc-block {
  background: var(--glass); padding: 2rem; border-radius: 15px;
  border: 1px solid rgba(217,4,41,0.3);
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}
.doc-block:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(217,4,41,0.3);
  border-color: var(--neon);
}
.doc-block.featured {
  grid-column: 1 / -1;
  background: linear-gradient(45deg, rgba(217,4,41,0.1), var(--glass));
  border: 2px solid var(--neon);
}
.doc-block h4 {
  color: var(--neon); margin-bottom: 1rem; font-size: 1.3rem;
}
.doc-block button {
  width: 100%; padding: 1rem; background: var(--neon);
  border: none; border-radius: 50px; color: #fff; cursor: pointer;
  transition: transform 0.3s; min-width: 120px;
}
.doc-block button:hover { transform: scale(1.05); }

/* Extras */
.snapin-list {
  display: flex; flex-direction: column; gap: 1rem;
}
.snapin-list a {
  display: flex; align-items: center; gap: 1rem;
  padding: 1rem; background: var(--glass); border-radius: 10px;
  color: #fff; text-decoration: none;
  transition: background 0.3s, transform 0.3s;
  font-size: 0.85rem;
  word-break: break-word;
}
.snapin-list a:hover {
  background: rgba(217,4,41,0.1); transform: translateX(10px);
}

/* Particles */
#particles {
  position: fixed; top:0; left:0; width:100%; height:100%;
  z-index: -1; pointer-events: none;
}

/* Responsive */
@media (max-width:768px) {
  .videos { grid-template-columns: 1fr; }
  .video-card iframe { height: 250px; }
  .header-content h1 { font-size: 2.5rem; }
  h3 { font-size: 2rem; }

  /* Sidebar full-width y abierto en móvil */
  nav.sidebar {
    width: 100%;
    right: -100%;          /* oculto completamente */
    padding: 1.5rem 1rem;
  }
  header {
    /* Mantén tu height:75vh; */
    /* Solo cambiamos el align y el padding para no romper el fondo */
    display: flex;
    flex-direction: column;
    justify-content: flex-start; /* sube todo al principio */
    padding-top: 2rem;           /* ajusta este valor al gusto */
  }
	  .header-content {
    margin-top: 1rem; /* espacio extra entre iconos y título */
  }
  }
 .time-info {
    max-width: 90%;
    margin: 1rem auto;
    padding: 1rem;
  }

  /* Ajustes tipográficos en detalles */
  .details h4 { font-size: 1.5rem; }
  .details p  { font-size: 1rem; }

  /* Botón de documento más pequeño */
  .doc-block button {
    font-size: 0.9rem;
    padding: 0.8rem;
  }

  /* Hamburguesa más pequeña */
  .hamburger {
    top: 1rem;
    right: 1rem;
    font-size: 1.5rem;
  }
}

canvas#particles {
    background: none !important;
    z-index: -1 !important;
    pointer-events: none;
  }
/* 🌞 Modo claro */
:root[data-theme='light'] {
    --bg: #ffffff;
    --neon: #007bff;
    --glass: rgba(0, 0, 0, 0.05);
  }

  body {
    color: #111;
    background: var(--bg);
  }

  nav.sidebar {
    background: rgba(255,255,255,0.95);
    border-left: 2px solid var(--neon);
    box-shadow: -10px 0 30px rgba(0,123,255,0.2);
  }

  nav.sidebar a {
    color: #333;
  }

  nav.sidebar a:hover,
  nav.sidebar a.active {
    color: #000;
  }

  .doc-block {
    border: 1px solid rgba(0,123,255,0.3);
  }

  .doc-block:hover {
    border-color: var(--neon);
    box-shadow: 0 10px 20px rgba(0,123,255,0.3);
  }

  .doc-block.featured {
    border: 2px solid var(--neon);
    background: linear-gradient(45deg, rgba(0,123,255,0.1), var(--glass));
  }

  .circle {
    background: conic-gradient(var(--neon) 0% 100%, #ccc 100% 100%);
    box-shadow: 0 0 30px rgba(0,123,255,0.4);
  }

  .circle span {
    color: #000;
  }

  .btn {
    background: var(--neon);
    color: #fff;
  }

  .snapin-list a {
    background: rgba(0, 0, 0, 0.05);
    color: #111;
  }

  .snapin-list a:hover {
    background: rgba(0,123,255,0.1);
  }
	  
.downloads-subgrid {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

/* 🌗 Botón cambio de tema */
#themeToggle {
  position: fixed;
  top: 1.2rem;
  left: 1.2rem;
  z-index: 2000;
  background: none;
  border: none;
  color: var(--neon);
  font-size: 1.6rem;
  cursor: pointer;
  transition: transform 0.3s ease, color 0.3s ease, filter 0.3s ease;
  filter: drop-shadow(0 0 4px var(--neon));
}

#agradecimientos .doc-block p {
  max-width: 850px;
  margin: 0 auto 1.5rem auto;
  text-align: justify;
  line-height: 1.8;
  -webkit-hyphens: auto; /* Para navegadores WebKit como Safari */
  -moz-hyphens: auto;    /* Para Firefox (aunque 'hyphens: auto' debería bastar) */
  -ms-hyphens: auto;     /* Para Internet Explorer / Edge más antiguos */
  hyphens: auto;         /* Estándar */
  word-break: break-word; /* Como una medida adicional si la hifenación no es suficiente o para palabras extremadamente largas sin puntos de hifenación obvios */
}

#curiosidades .downloads-grid.paired {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.theme-label {
  font-size: 0.8rem;
}

@media (max-width: 768px) {
  #themeToggle .theme-label {
    display: none;
  }
}
	:root[data-theme='light'] #themeToggle {
  border-color: var(--neon);
  color: var(--neon);
}
:root[data-theme='light'] #themeToggle:hover {
  background: var(--neon);
  color: #fff;
}
:root[data-theme='dark'] .snapin-list a {
  color: #fff;
}
:root[data-theme='dark'] .snapin-list a:hover {
  background: rgba(217,4,41,0.2);
}
:root[data-theme='dark'] nav.sidebar {
  background: rgba(10,10,10,0.98);
  color: #fff;
}

:root[data-theme='dark'] nav.sidebar a {
  color: #fff;
}

:root[data-theme='dark'] nav.sidebar a:hover {
  color: #f1f1f1;
}
:root[data-theme='dark'] body {
  color: #fff;
}

  .header-content {
    background-color: transparent; /* Fondo totalmente transparente */
    border-radius: 0;              /* Sin esquinas redondeadas */
    padding: 1em 0;                /* Un poco más ajustado si quieres */
  }

#themeToggle.animate i {
  transform: rotate(360deg);
  transition: transform 0.6s ease;
}
.site-footer {
  margin-top: 4rem;
  padding: 2rem 1rem;
  background-color: rgba(255,255,255,0.05);
  border-top: 1px solid var(--neon);
  text-align: center;
  font-size: 0.9rem;
  color: #ccc;
}

:root[data-theme='light'] .site-footer {
  background-color: rgba(0, 0, 0, 0.05);
  color: #444;
  border-top: 1px solid var(--neon);
}