/* ==========================================================================
   1. ESTRUCTURA PRINCIPAL DEL HEADER
   ========================================================================== */
.header_container {
    position: fixed !important;
    top: 25px !important;
    z-index: 999999 !important;
    left: 0 !important;
    right: 0 !important;
    margin: 0 auto !important;
    transform: none !important;
    
    width: 100% !important; 
    max-width: 1400px !important; 
    
    /* BLOQUEO DE ALTURA: Jamás pasará de 70px */
    height: 70px !important; 
    
    /* VITAL: Permite que el menú móvil baje */
    overflow: visible !important; 
    
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 30px;
    box-sizing: border-box !important; 
    
    /* El fondo es transparente, el cristal lo pone la capa de abajo */
    background: transparent !important;
    border: none !important;
}

/* ==========================================================================
   2. EL CRISTAL DE FONDO (BLINDADO)
   ========================================================================== */
.header_container::before {
    content: "";
    position: absolute;
    top: 0 !important; 
    left: 0 !important; 
    width: 100% !important; 
    height: 100% !important; /* Mide exactamente los 70px de su padre */
    z-index: -1; 
    
    border-radius: 50px !important;
    background-color: rgba(20, 20, 20, 0.5) !important;
    backdrop-filter: blur(12px) !important;
    -webkit-backdrop-filter: blur(12px) !important;
    border: 1px solid rgba(255, 255, 255, 0.15) !important;
    box-shadow: 0 0 25px rgba(12, 108, 235, 0.6) !important;
    
    transition: all 0.4s ease;
}

/* MODO CLARO INTELIGENTE (Solo cambia los colores del cristal) */
.header_container.header-claro::before {
    background-color: rgba(255, 255, 255, 0.670) !important; 
    border: 1px solid rgba(0, 0, 0, 0.1) !important;
    box-shadow: 0 0 25px rgba(12, 108, 235, 0.3) !important;
    backdrop-filter: blur(12px) !important;
    -webkit-backdrop-filter: blur(12px) !important;
}

/* Letras y logos en modo claro */
.header_container.header-claro .nav_bar li a { color: #1a1a1a !important; text-shadow: none; }
.header_container.header-claro .nav_bar li a:hover { color: #0c6ceb !important; }
.header_container.header-claro .logo-blanco { opacity: 0; transform: scale(0.8) translateY(10px); }
.header_container.header-claro .logo-negro { opacity: 1; transform: scale(1) translateY(0); }
.header_container.header-claro .icono-hamburguesa { color: #1a1a1a !important; }

/* Dropdown claro en PC */
.header_container.header-claro .dropdown-content {
    background-color: rgba(255, 255, 255, 0.670) !important; 
    border: 1px solid rgba(0, 0, 0, 0.1) !important;
    backdrop-filter: blur(12px) !important;
    -webkit-backdrop-filter: blur(12px) !important;
}

/* ==========================================================================
   3. LOGOS, ENLACES Y DROPDOWN (PC)
   ========================================================================== */
.logo a { display: block; text-decoration: none; }
.logo-link { position: relative; display: block; width: 200px; height: 50px; }
.logo-blanco, .logo-negro {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: contain;
    transition: opacity 0.5s ease, transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.logo-blanco { opacity: 1; transform: scale(1) translateY(0); }
.logo-negro { opacity: 0; transform: scale(0.8) translateY(-10px); }

.nav_center { flex: 1; display: flex; justify-content: flex-end; padding-right: 20px; }
.nav_bar { list-style: none; display: flex; align-items: center; gap: 30px; margin: 0; padding: 0; }
.nav_bar li a {
    color: #ffffff; font-family: 'Montserrat', sans-serif; font-size: 13px; font-weight: 500;
    text-decoration: none; transition: color 0.3s ease; text-shadow: 0 2px 5px rgba(0, 0, 0, 0.8);
}
.nav_bar li a:hover { color: rgba(12, 108, 235, 1); }

.dropdown { position: relative; }
.dropdown-content {
    display: none; position: absolute; top: 40px; left: -20px;
    background-color: rgba(30, 30, 30, 0.9); backdrop-filter: blur(15px); -webkit-backdrop-filter: blur(15px);
    width: 220px; border-radius: 15px; border: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0px 10px 30px rgba(0, 0, 0, 0.7); padding: 10px 0; z-index: 9999; list-style-type: none;
}
.dropdown-content::before {
    content: ""; position: absolute; top: -40px; left: 0; width: 100%; height: 40px; background: transparent; 
}
.dropdown-content li { width: 100%; position: relative; }
.dropdown-content li a { padding: 12px 20px; display: block; color: #ffffff; text-shadow: none; display: inline-block;}
.dropdown-content li a:hover { background-color: rgba(255, 255, 255, 0.1); width: 100%; color: rgba(255, 255, 235, 0.6); text-shadow: rgba(10, 58, 95, 1);}
.dropdown:hover .dropdown-content { display: block; animation: fadeInMenu 0.3s ease forwards; }
@keyframes fadeInMenu { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

.dropdown-content a::before{
    content: "";
    width: 100%;
    height: 5px;
    background-color: rgba(1, 125, 150, 0.499);
    position: absolute;
    bottom: 0;
    left: 0;
    transform: scaleX(0);
    transform-origin: bottom right;
    transition: transform 0.6s ease-out;
    pointer-events: none;
    border-radius: 20px;
}

.dropdown-content a:hover::before{
    transform: scaleX(1);
    transform-origin: bottom left;
}


/* ==========================================================================
   4. VERSIÓN MÓVIL Y MENÚ HAMBURGUESA
   ========================================================================== */
.icono-hamburguesa {
    display: none !important; 
    position: absolute !important; 
    right: 30px !important; 
    top: 15px !important; 
    font-size: 38px !important; 
    color: #ffffff !important; 
    cursor: pointer; 
    z-index: 999999 !important;
    line-height: 1 !important;
    transition: transform 0.3s ease, color 0.3s ease;
}

@media (max-width: 992px) {
    .header_container { 
        padding: 0 15px !important; 
        width: calc(100% - 40px) !important; 
        max-width: 1000px !important;
    }
    .logo-link { 
        width: 150px !important; 
    }
    .icono-hamburguesa { 
        display: block !important; 
        right: 20px !important; 
        top: 15px !important; 
        font-size: 35px !important; 
    }
    
    .nav_center {
        display: flex !important; flex-direction: column !important;
        position: absolute; top: 85px; left: 0; right: 0; width: 100%; 
        background-color: rgba(20, 20, 20, 0.95);
        backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
        border-radius: 25px; border: 1px solid rgba(255, 255, 255, 0.1);
        padding: 20px 0; box-shadow: 0px 15px 40px rgba(0, 0, 0, 0.8);
        opacity: 0; visibility: hidden; transform: translateY(-20px);
        transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    }
    .nav_center.active { opacity: 1; visibility: visible; transform: translateY(0); }
    
    .nav_bar { flex-direction: column; gap: 0; padding-right: 0; width: 100%; }
    .nav_bar li { width: 100%; text-align: center; }
    .nav_bar li a { padding: 15px 0; font-size: 16px; display: block; border-bottom: 1px solid rgba(255,255,255,0.05); text-shadow: none;}
    .nav_bar li:last-child a { border-bottom: none; }
    
    .dropdown-content {
        position: static !important; width: 90%; margin: 0 auto; background-color: rgba(0, 0, 0, 0.3);
        border: none; box-shadow: inset 0px 0px 15px rgba(0,0,0,0.5); display: none; 
    }
    .dropdown:hover .dropdown-content { display: none; } 
    .dropdown.active-drop .dropdown-content { display: block !important; animation: fadeInMenu 0.4s ease forwards; }
    .dropdown-content::before { display: none !important; } 

    .header_container.header-claro .nav_center {
        background-color: rgba(255, 255, 255, 0.670); border: 1px solid rgba(0, 0, 0, 0.1);
        backdrop-filter: blur(12px) !important;
        -webkit-backdrop-filter: blur(12px) !important;
    }
    .header_container.header-claro .nav_bar li a { border-bottom: 1px solid rgba(0,0,0,0.05); color: #1a1a1a !important; }
    .header_container.header-claro .dropdown-content {
        background-color: rgba(0, 0, 0, 0.05) !important; box-shadow: inset 0px 0px 10px rgba(0,0,0,0.05);
    }
}