:root {
    --azul-celeste: #0852f3ff;
    --azul-oscuro: #033874;
    --amarillo: #ffc107;
    --rojo: #dc3545;
    --blanco: #f8f9fa;
    --gris-claro: #ccd4e2;
}

body {
    background: linear-gradient(120deg, var(--azul-celeste) 0%, var(--azul-oscuro) 100%);
    color: #222;
    font-family: 'Montserrat', Arial, sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

    main {
      flex: 1;
    }

    .logo-header {
      width: 55px;
      height: auto;
    }    
    .teceec-header {
       box-shadow: 0 4px 24px rgba(0, 0, 0, 0.12);
       background: linear-gradient(135deg, var(--azul-oscuro), var(--azul-header) 80%, var(--azul-celeste) 100%);
     } 
    .navbar {    
      box-shadow: 0 4px 24px rgba(0, 0, 0, 0.12);
      background: linear-gradient(135deg, var(--azul-oscuro), var(--azul-celeste));
    }

    .navbar-nav .nav-link {
      font-weight: 600;
      color: var(--blanco) !important;
      position: relative;
      padding-bottom: 4px;
      letter-spacing: 0.5px;
      transition: color 0.3s;
    }

    .navbar-nav .nav-link::after {
      content: '';
      position: absolute;
      left: 10%;
      bottom: 0;
      width: 0;
      height: 2px;
      background: var(--amarillo);
      transition: width 0.3s;
    }

    .navbar-nav .nav-link:hover::after {
      width: 80%;
    }

    .navbar-nav .nav-link:hover {
      color: var(--amarillo) !important;
      text-shadow: 0 0 8px var(--amarillo);
    }

    .pulse-icon {
      animation: pulse 2s infinite;
    }

    @keyframes pulse {
      0% {
        transform: scale(1);
        opacity: 1;
      }

      50% {
        transform: scale(1.1);
        opacity: 0.8;
      }

      100% {
        transform: scale(1);
        opacity: 1;
      }
    }

    .icon-box {
      background-color: #71f56e10;
      padding: 0.75rem;
      border-radius: 50%;
      box-shadow: 0 0 10px var(--amarillo);
    }

    /* HERO */
    .hero-bg {
      min-height: 520px;
      background: linear-gradient(120deg, var(--azul-celeste) 0%, #0a1931 70%, var(--amarillo) 100%);
      position: relative;
      overflow: hidden;
    }

    .bubble {
      position: absolute;
      border-radius: 50%;
      opacity: 0.18;
      pointer-events: none;
      animation: bubbleMove 8s infinite alternate;
    }

    .bubble1 {
      width: 80px;
      height: 80px;
      left: 10%;
      top: 60%;
      background: var(--azul-celeste);
      animation-delay: 0s;
    }

    .bubble2 {
      width: 60px;
      height: 60px;
      left: 80%;
      top: 30%;
      background: var(--amarillo);
      animation-delay: 2s;
    }

    .bubble3 {
      width: 40px;
      height: 40px;
      left: 50%;
      top: 80%;
      background: var(--rojo);
      animation-delay: 1s;
    }

    @keyframes bubbleMove {
      0% {
        transform: translateY(0) scale(1);
      }

      100% {
        transform: translateY(-40px) scale(1.2);
      }
    }

    .hero-icon-main {
      animation: heroFloat 6s infinite alternate, heroRotate 12s linear infinite;
      opacity: 0.10;
    }

    @keyframes heroFloat {
      0% {
        transform: translateY(-20px) scale(1);
      }

      100% {
        transform: translateY(40px) scale(1.08);
      }
    }

    @keyframes heroRotate {
      0% {
        transform: rotate(0deg);
      }

      100% {
        transform: rotate(360deg);
      }
    }

    .hero-btn {
      background: linear-gradient(90deg, var(--amarillo) 60%, var(--rojo) 100%);
      color: #fff;
      border: none;
      font-weight: 700;
      font-size: 1.2rem;
      border-radius: 40px;
      box-shadow: 0 4px 24px var(--azul-celeste);
      transition: background 0.3s, color 0.3s, box-shadow 0.3s;
    }

    .hero-btn:hover {
      background: linear-gradient(90deg, var(--rojo) 60%, var(--amarillo) 100%);
      color: #fff;
      box-shadow: 0 8px 32px var(--rojo);
    }

    /* Cards beneficios */
    .card-beneficio {
      border: none;
      border-radius: 18px;
      box-shadow: 0 8px 32px var(--azul-celeste);
      background: linear-gradient(135deg, var(--azul-celeste) 80%, var(--azul-oscuro) 100%);
      color: #fff;
      transition: transform 0.3s, box-shadow 0.3s;
    }

    .card-beneficio:hover {
      transform: scale(1.04);
      box-shadow: 0 16px 40px var(--amarillo);
    }

    .card-beneficio .glow-icon {
      text-shadow: 0 0 8px var(--amarillo);
    }

    /* Temario */
    .accordion-button:hover {
      background-color: #fff8e1;
      color: var(--azul-celeste);
      transition: all 0.3s;
    }

    .accordion-body ul li:hover {
      background-color: #f8f9fa;
      border-left: 4px solid var(--azul-celeste);
      padding-left: 6px;
      transition: background 0.3s;
    }

    /* Info curso */
    .card-info {
      border: none;
      border-radius: 18px;
      box-shadow: 0 8px 32px var(--rojo);
      background: linear-gradient(135deg, var(--azul-celeste), var(--azul-oscuro));
      color: #fff;
      transition: transform 0.3s, box-shadow 0.3s;
    }

    .card-info:hover {
      transform: scale(1.04);
      box-shadow: 0 16px 40px var(--amarillo);
    }

    /* Testimonios */
    .card-testimonio {
      border: none;
      border-radius: 18px;
      box-shadow: 0 8px 32px var(--rojo);
      background: linear-gradient(135deg, var(--blanco) 80%, var(--rojo) 100%);
      color: #222;
      transition: transform 0.3s, box-shadow 0.3s;
    }

    .card-testimonio:hover {
      transform: scale(1.04);
      box-shadow: 0 16px 40px var(--amarillo);
    }

    /* Inscripción */
    .bg-gradient-form {
      background: linear-gradient(135deg, var(--azul-celeste), var(--azul-oscuro), var(--blanco));
    }

    .hover-glow:hover {
      box-shadow: 0 0 12px var(--amarillo);
      transform: scale(1.02);
      transition: all 0.3s;
    }

    /* Botón flotante de WhatsApp */
.whatsapp-btn {
    position: fixed;
    bottom: 24px;
    right: 24px; /* Cambiado a derecha */
    z-index: 1000;
    background: var(--amarillo);
    color: var(--azul-celeste);
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px var(--azul-celeste);
    font-size: 2rem;
    transition: background 0.3s, color 0.3s;
}
.whatsapp-btn:hover {
    background: var(--rojo);
    color: var(--blanco);
}

/* Footer */
footer {
    margin-top: auto;
    background: linear-gradient(135deg, var(--azul-oscuro), var(--azul-celeste));
    color: #fff;
    border-top: 3px solid var(--amarillo);
}
footer a {
    color: var(--amarillo);
    text-decoration: none;
    font-weight: 600;
}

footer a:hover {
    color: var(--rojo);
    text-decoration: underline;
}

@media (max-width: 768px) {
    .navbar-nav .nav-link {
    font-size: 1rem;
    }

    footer {
    font-size: 0.9rem;
    }
}

@media (max-width: 576px) {
    footer {
    font-size: 0.8rem;
    }
}