:root{
  --bg-dark: rgba(7, 10, 18, 0.74);
  --bg-soft: rgba(18, 24, 40, 0.56);
  --line: rgba(255,255,255,0.14);
  --text: #f5f7fb;
  --muted: #d4dceb;
  --accent: #d6bf7a;
  --shadow: 0 18px 50px rgba(0,0,0,0.38);
  --radius: 18px;
  --maxw: 860px;
}

*{ box-sizing:border-box; }

html, body{
  margin:0;
  padding:0;
  min-height:100%;
}

body{
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color:var(--text);
  background:
    linear-gradient(rgba(3,5,10,0.48), rgba(3,5,10,0.70)),
    url("../assets/imgs/fondo.png") center center / cover fixed no-repeat;
}

.site-shell{
  min-height:100vh;
  display:flex;
  flex-direction:column;
}

.topbar{
  width:min(100%, var(--maxw));
  margin:0 auto;
  padding:34px 20px 8px;
}

.brand{
  text-align:center;
  padding:16px 10px 8px;
}

.logo-wrap{
  display:flex;
  justify-content:center;
  margin-bottom:14px;
}

.brand h1{
  margin:0;
  font-size: clamp(2.4rem, 5vw, 4.3rem);
  font-weight:700;
  letter-spacing:0.08em;
  text-transform:uppercase;
  text-shadow: 0 4px 16px rgba(0,0,0,0.42);
}

.brand .subtitle{
  margin:10px auto 0;
  max-width:760px;
  color:#ffffff;
  font-size: clamp(1.12rem, 2vw, 1.6rem);
  line-height:1.35;
  text-shadow: 0 2px 10px rgba(0,0,0,0.45);
  font-weight:600;
}

.main-panel{
  width:min(100%, var(--maxw));
  margin: 8px auto 38px;
  padding: 0 20px 30px;
  flex:1;
}

.intro-card{
  background:var(--bg-soft);
  border:1px solid var(--line);
  border-radius:24px;
  backdrop-filter: blur(12px);
  box-shadow:var(--shadow);
  padding:28px;
  margin-bottom:22px;
}

.intro-card h2{
  margin:0 0 14px;
  font-size:1.45rem;
  color:#fff;
  letter-spacing:0.02em;
}

.intro-card p{
  margin:0;
  color:var(--muted);
  line-height:1.8;
  font-size:1rem;
  text-align:left;
}

.menu-stack{
  display:flex;
  flex-direction:column;
  gap:18px;
}

.menu-section{
  background:var(--bg-dark);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  backdrop-filter: blur(12px);
  box-shadow:var(--shadow);
}

.menu-btn{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:18px 22px;
  border:none;
  cursor:pointer;
  background:rgba(9,12,20,0.68);
  color:var(--text);
  font-size:1.08rem;
  font-weight:700;
  letter-spacing:0.03em;
  text-align:left;
}

.menu-btn:hover{
  background:rgba(18,24,38,0.92);
}

.menu-btn span:last-child{
  transition:transform .25s ease;
  font-size:1.2rem;
  color:var(--accent);
}

.menu-section.open .menu-btn span:last-child{
  transform:rotate(180deg);
}

.menu-content{
  display:none;
  padding:10px 0 14px;
  background:rgba(7,10,18,0.52);
}

.menu-section.open .menu-content{
  display:block;
}

.menu-content a{
  display:block;
  padding:13px 22px;
  color:var(--text);
  text-decoration:none;
  border-top:1px solid rgba(255,255,255,0.08);
  transition:background .2s ease, padding-left .2s ease;
}

.menu-content a:hover{
  background:rgba(255,255,255,0.07);
  padding-left:28px;
}

footer{
  width:min(100%, var(--maxw));
  margin:0 auto;
  padding: 0 20px 30px;
}

.footer-box{
  background:rgba(7,10,18,0.58);
  border:1px solid var(--line);
  border-radius:18px;
  padding:18px 20px;
  color:var(--muted);
  line-height:1.75;
  backdrop-filter: blur(10px);
  box-shadow:var(--shadow);
}

.footer-box .copy{
  color:#fff;
  font-weight:700;
  margin-bottom:10px;
}

.footer-box .warning-title{
  color:#fff;
  font-weight:700;
  letter-spacing:0.03em;
  margin:10px 0 6px;
}

@media (max-width: 640px){
  .topbar{
    padding-top:20px;
  }

  .intro-card,
  .footer-box{
    padding:18px;
  }

  .menu-btn{
    padding:16px 16px;
    font-size:1rem;
  }

  .menu-content a{
    padding:12px 16px;
  }

  }

/* ===== NSESO VIDEO PAGES ===== */
.video-page{
  width:min(100%, 1180px);
  margin:0 auto;
  padding:8px 20px 40px;
}

.video-hero{
  background:rgba(18, 24, 40, 0.56);
  border:1px solid rgba(255,255,255,0.14);
  border-radius:24px;
  backdrop-filter: blur(12px);
  box-shadow:0 18px 50px rgba(0,0,0,0.38);
  padding:26px;
  margin-bottom:24px;
  text-align:center;
}

.video-hero h2{
  margin:0 0 10px;
  font-size:2rem;
  color:#fff;
  letter-spacing:0.03em;
}

.video-hero p{
  margin:0 auto;
  max-width:820px;
  color:#d4dceb;
  line-height:1.75;
}

.back-row{
  display:flex;
  justify-content:center;
  gap:12px;
  flex-wrap:wrap;
  margin:18px 0 26px;
}

.back-btn{
  display:inline-block;
  text-decoration:none;
  color:#fff;
  background:rgba(7, 10, 18, 0.74);
  border:1px solid rgba(255,255,255,0.14);
  border-radius:999px;
  padding:11px 18px;
  backdrop-filter: blur(10px);
  box-shadow:0 10px 28px rgba(0,0,0,0.28);
  transition:transform .2s ease, background .2s ease;
}

.back-btn:hover{
  transform:translateY(-1px);
  background:rgba(18,24,38,0.92);
}

.video-grid{
  display:grid;
  grid-template-columns:repeat(2, minmax(0, 1fr));
  gap:24px;
}

.video-card{
  background:rgba(7, 10, 18, 0.74);
  border:1px solid rgba(255,255,255,0.14);
  border-radius:20px;
  overflow:hidden;
  backdrop-filter: blur(12px);
  box-shadow:0 18px 50px rgba(0,0,0,0.38);
}

.video-card video{
  width:100%;
  display:block;
  aspect-ratio:16/9;
  background:#000;
}

.video-card .video-info{
  padding:14px 16px 18px;
}

.video-card h3{
  margin:0 0 6px;
  font-size:1rem;
  color:#fff;
  line-height:1.4;
  word-break:break-word;
}

.video-card p{
  margin:0;
  color:#d4dceb;
  font-size:0.92rem;
  line-height:1.55;
}

.video-empty{
  background:rgba(7, 10, 18, 0.74);
  border:1px solid rgba(255,255,255,0.14);
  border-radius:20px;
  padding:28px;
  text-align:center;
  color:#d4dceb;
  box-shadow:0 18px 50px rgba(0,0,0,0.38);
}

@media (max-width: 820px){
  .video-grid{
    grid-template-columns:1fr;
  }

  .video-hero{
    padding:20px;
  }

  .video-hero h2{
    font-size:1.65rem;
  }
}

/* ===== AJUSTE ESTETICO SEGURO NSE ===== */

body{
  letter-spacing: 0.01em;
}

.brand h1{
  letter-spacing: 0.12em;
}

.brand .subtitle{
  letter-spacing: 0.04em;
  opacity: 0.96;
}

.intro-card{
  line-height: 1.82;
}

.intro-card h3{
  margin-top: 34px;
  margin-bottom: 14px;
  padding-left: 14px;
  border-left: 2px solid rgba(214,191,122,0.55);
  font-size: 1.08rem;
  letter-spacing: 0.03em;
  color: #fff;
}

.intro-card p{
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 1rem;
}

.intro-card strong{
  color: #ffffff;
}

.intro-card em{
  color: #f0e6bf;
}

.intro-card ul{
  margin: 8px 0 18px 0;
  padding-left: 22px;
}

.intro-card li{
  margin-bottom: 8px;
  color: var(--muted);
}

.video-hero{
  padding-top: 6px;
  padding-bottom: 6px;
}

.video-hero h2{
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}

.video-hero p{
  font-size: 1rem;
  color: #e7edf8;
}

.back-btn{
  letter-spacing: 0.02em;
}

.menu-content a{
  letter-spacing: 0.02em;
}

.footer-box{
  font-size: 0.97rem;
}

@media (max-width: 640px){
  .intro-card h3{
    font-size: 1rem;
  }

  .intro-card p,
  .intro-card li{
    font-size: 0.97rem;
  }
}

/* ===== REPRODUCTOR FLOTANTE NSE ===== */
.nse-audio-player{
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 999px;
  background: rgba(7, 10, 18, 0.74);
  border: 1px solid rgba(255,255,255,0.14);
  backdrop-filter: blur(10px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.35);
}

.nse-audio-btn{
  appearance: none;
  border: 1px solid rgba(255,255,255,0.16);
  background: rgba(18,24,38,0.92);
  color: #fff;
  border-radius: 999px;
  padding: 8px 12px;
  cursor: pointer;
  font-size: 0.95rem;
  line-height: 1;
  min-width: 52px;
}

.nse-audio-btn:hover{
  background: rgba(30,38,58,0.98);
}

.nse-audio-label{
  color: var(--muted);
  font-size: 0.88rem;
  white-space: nowrap;
}

@media (max-width: 640px){
  .nse-audio-player{
    right: 10px;
    bottom: 10px;
    padding: 8px 10px;
    gap: 8px;
  }

  .nse-audio-label{
    display: none;
  }

  .nse-audio-btn{
    padding: 8px 10px;
    min-width: 48px;
  }
}

/* ===== CONTROLES EXTRA AUDIO NSE ===== */
.nse-audio-icon{
  font-size: 0.92rem;
  line-height: 1;
}

.nse-audio-volume{
  width: 84px;
  accent-color: #d6bf7a;
  cursor: pointer;
}

@media (max-width: 640px){
  .nse-audio-volume{
    width: 64px;
  }
}


/* ===== LOGO NSE REFORMADO ===== */
.logo{
  width: 150px;
  max-width: 42vw;
  height: auto;
  display: block;
  margin: 0 auto;
  object-fit: contain;
  background: transparent;
  mix-blend-mode: screen;
  filter:
    drop-shadow(0 0 6px rgba(255, 200, 80, 0.60))
    drop-shadow(0 0 18px rgba(255, 180, 60, 0.40));
  animation: pulseGlow 3.5s ease-in-out infinite;
}

@keyframes pulseGlow {
  0% {
    filter:
      drop-shadow(0 0 4px rgba(255, 200, 80, 0.40))
      drop-shadow(0 0 10px rgba(255, 180, 60, 0.30));
  }

  50% {
    filter:
      drop-shadow(0 0 14px rgba(255, 220, 120, 0.90))
      drop-shadow(0 0 30px rgba(255, 200, 80, 0.70));
  }

  100% {
    filter:
      drop-shadow(0 0 4px rgba(255, 200, 80, 0.40))
      drop-shadow(0 0 10px rgba(255, 180, 60, 0.30));
  }
}

@media (max-width: 640px){
  .logo{
    width: 118px;
  }
}