/* ===== HEADER / NAVBAR ===== */
.navbar {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    box-shadow: 0 6px 25px rgba(0,0,0,0.35);
    position: sticky;
    top: 0;
    z-index: var(--z-fixed);
}

.navbar::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), transparent);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm);
    min-height: 70px;
    max-width: 1400px;
    margin: 0 auto;
}

.nav-brand {
    display: flex;
    align-items: center;
    transition: transform var(--transition-fast);
}

.nav-brand:hover {
    transform: scale(1.05);
}

.logo {
    height: auto;
    max-height: 60px;
    width: auto;
    object-fit: contain;
}

/* Toggle button mobile */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: var(--spacing-xs);
    z-index: calc(var(--z-fixed) + 1);
    background: transparent;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--color-text-white);
    border-radius: 2px;
    transition: all var(--transition-fast);
    display: block;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Menu */
.nav-menu {
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text-white);
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-fast);
    background: transparent;
    white-space: nowrap;
    text-decoration: none;
}

.nav-link:hover,
.nav-link.active {
    background: rgba(255, 255, 255, 0.18);
}

/* Dropdown */
.dropdown {
    position: relative;
}

.dropdown-toggle {
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.dropdown-toggle .fa-chevron-down {
    font-size: 0.75rem;
    transition: transform var(--transition-fast);
}

.dropdown.active .dropdown-toggle .fa-chevron-down {
    transform: rotate(180deg);
}

/* Dropdown desktop */
.dropdown-menu {
    position: absolute;
    top: 110%;
    left: 0;
    min-width: 220px;
    padding: 0.5rem 0;
    border-radius: var(--radius-md);
    background: rgba(15, 25, 40, 0.98);
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    list-style: none;
    margin: 0;
    z-index: calc(var(--z-dropdown) + 1);
}

@media (min-width: 769px) {
    .dropdown:hover .dropdown-menu {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
}

.dropdown-menu li a {
    display: block;
    padding: 0.75rem 1rem;
    font-size: var(--font-size-sm);
    color: #ffffff;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.dropdown-menu li a:hover {
    background: rgba(255,255,255,0.12);
    padding-left: 1.25rem;
}

/* Login button */
.nav-login {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: var(--spacing-sm) var(--spacing-md);
    background: linear-gradient(135deg, #ffffff 0%, #dbe7f3 100%);
    color: var(--color-primary-dark);
    border-radius: var(--radius-full);
    font-weight: var(--font-weight-bold);
    text-decoration: none;
    transition: all var(--transition-fast);
    white-space: nowrap;
    box-shadow: 0 6px 18px rgba(0,0,0,0.3);
}

.nav-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.4);
}

/* ===== RESPONSIVE HEADER ===== */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .logo {
        max-height: 50px;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 85%;
        max-width: 350px;
        height: 100vh;
        background: var(--color-primary);  /* ← ESTE ES EL COLOR */
        flex-direction: column;
        align-items: stretch;
        padding: 80px var(--spacing-md) var(--spacing-md);
        box-shadow: -5px 0 20px rgba(0, 0, 0, 0.3);
        transition: right 0.3s ease;
        z-index: var(--z-fixed);
        overflow-y: auto;
        gap: 0;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-link {
        color: white;  /* Texto blanco */
        justify-content: flex-start;
        padding: var(--spacing-md);
    }
    
    .nav-link i {
        color: var(--color-accent);  /* Iconos amarillos */
        width: 24px;
    }
    
    .dropdown-menu {
        background: rgba(0, 0, 0, 0.2);  /* Fondo más oscuro para dropdowns */
    }
    
    .dropdown-menu li a {
        color: white;  /* Texto blanco */
    }
    
    .dropdown-menu li a:hover {
        background: var(--color-accent);
        color: var(--color-primary);  /* Texto azul sobre amarillo */
    }
}

/* Backdrop mobile */
@media (max-width: 768px) {
    body::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease, visibility 0.3s ease;
        z-index: calc(var(--z-fixed) - 1);
        pointer-events: none;
    }

    body.menu-open::before {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }

    body.menu-open {
        overflow: hidden;
    }
}