/* ============================================
   NAVBAR
   ============================================ */

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1rem 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(5, 2, 15, 0.7);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 245, 255, 0.15);
}

.nav-logo {
  font-family: "Press Start 2P", monospace;
  font-size: 0.85rem;
  color: var(--gold);
  text-shadow: 0 0 20px rgba(255, 215, 0, 0.8);
  letter-spacing: 2px;
}

.nav-logo span {
  color: var(--cyan);
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--cyan);
}

.nav-btn {
  background: transparent;
  border: 1.5px solid var(--gold);
  color: var(--gold);
  padding: 8px 20px;
  font-family: "Exo 2", sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.3s;
  clip-path: polygon(8px 0%, 100% 0%, calc(100% - 8px) 100%, 0% 100%);
}

.nav-btn:hover {
  background: var(--gold);
  color: var(--dark);
}
/* hamburguesa — oculta en desktop */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 101;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 2px;
  transition:
    transform 0.3s ease,
    opacity 0.3s ease;
}

/* X cuando está abierto */
.nav-hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-hamburger.open span:nth-child(2) {
  opacity: 0;
}
.nav-hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ——— RESPONSIVE ——— */
@media (max-width: 768px) {
  nav {
    flex-wrap: wrap;
    padding: 1rem 1.5rem;
    gap: 0;
  }

  .nav-hamburger {
    display: flex;
    order: 2;
  }

  .nav-sena {
    order: 3;
  }

  .nav-logo {
    order: 1;
    flex: 1;
  }

  /* menú oculto por defecto en móvil */
  .nav-links {
    display: none;
    order: 4;
    flex-direction: column;
    gap: 0;
    width: 100%;
    padding: 0.5rem 0 0.75rem;
    border-top: 1px solid rgba(0, 245, 255, 0.1);
    margin-top: 0.75rem;
  }

  /* menú visible cuando tiene clase .open */
  .nav-links.open {
    display: flex;
  }

  .nav-links li {
    width: 100%;
  }

  .nav-links a {
    display: block;
    padding: 0.65rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.78rem;
  }

  .nav-links li:last-child a {
    border-bottom: none;
  }

  /* pastilla SENA más compacta */
  .nav-sena-text {
    display: none;
  }

  .nav-sena {
    padding: 0.4rem;
    border-radius: 50%;
  }

  
}

.nav-sena {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.4rem 0.75rem 0.4rem 0.5rem;
  border-radius: 100px;
  border: 1px solid rgba(57, 169, 0, 0.3);
  background: rgba(57, 169, 0, 0.07);
  cursor: default;
  transition:
    border-color 0.3s,
    background 0.3s;
  position: relative;
  overflow: hidden;
}
.nav-sena::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse at left,
    rgba(57, 169, 0, 0.1),
    transparent 70%
  );
  pointer-events: none;
}
.nav-sena:hover {
  border-color: rgba(57, 169, 0, 0.6);
  background: rgba(57, 169, 0, 0.12);
}
.nav-sena-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(57, 169, 0, 0.12);
  border: 1px solid rgba(57, 169, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
}
.nav-sena-s {
  font-family: "Orbitron", sans-serif;
  font-size: 0.75rem;
  font-weight: 900;
  color: #39a900;
  line-height: 1;
}
.nav-sena-dot {
  position: absolute;
  top: 1px;
  right: 1px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #39a900;
  box-shadow: 0 0 6px rgba(57, 169, 0, 0.8);
  animation: senadot 2s ease-in-out infinite;
}
@keyframes senadot {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.4;
    transform: scale(0.7);
  }
}
.nav-sena-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.nav-sena-name {
  font-family: "Orbitron", sans-serif;
  font-size: 0.52rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.85);
  white-space: nowrap;
}
.nav-sena-ficha {
  font-family: "Orbitron", sans-serif;
  font-size: 0.42rem;
  letter-spacing: 0.12em;
  color: rgba(57, 169, 0, 0.7);
  white-space: nowrap;
}
@media (min-width: 769px) {
  .nav-sena {
    padding: 0.6rem 1.1rem 0.6rem 0.75rem;
    gap: 0.85rem;
  }

  .nav-sena-icon {
    width: 36px;
    height: 36px;
  }

  .nav-sena-icon img {
    width: 22px;
  }

  .nav-sena-name {
    font-size: 0.68rem;
  }

  .nav-sena-ficha {
    font-size: 0.55rem;
  }
}