/* Botón hamburguesa */
.menu-toggle {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 1000;
    background: var(--primary);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    transition: transform var(--duration-fast) var(--ease-apple-interaction), background var(--duration-fast) var(--ease-apple-interaction);
}

.menu-toggle:hover {
    background: var(--primary-light);
    transform: scale(1.02);
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2.5px;
    background: white;
    margin: 2.5px 0;
    transition: transform var(--duration-normal) var(--ease-apple-interaction), opacity var(--duration-normal) var(--ease-apple-interaction), background var(--duration-fast) var(--ease-apple-interaction);
    border-radius: 2px;
}

.menu-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

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

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Panel del menú */
.menu-panel {
    position: fixed;
    top: 0;
    left: -300px;
    width: 300px;
    height: 100vh;
    background: #001933;
    z-index: 999;
    transition: left var(--duration-slow) var(--ease-apple-interaction);
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.3);
    overflow-y: auto;
}

.menu-panel.active {
    left: 0;
}

.menu-header {
    padding: 70px 20px 20px;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.menu-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.menu-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    transition: transform var(--duration-fast) var(--ease-apple-interaction), color var(--duration-fast) var(--ease-apple-interaction);
}

.menu-close:hover {
    color: var(--accent);
    transform: scale(1.05);
}

.menu-nav {
    padding: 20px 0;
}

.menu-list {
    list-style: none;
}

.menu-item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.menu-link {
    display: block;
    padding: 15px 25px;
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: padding var(--duration-normal) var(--ease-apple-interaction), background var(--duration-fast) var(--ease-apple-interaction);
    position: relative;
}

.menu-link:hover {
    background: #003366;
    padding-left: 30px;
}

.menu-link i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

.menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--duration-normal) var(--ease-apple-interaction), visibility var(--duration-normal) var(--ease-apple-interaction);
}

.menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

@media (max-width: 768px) {
    .menu-panel {
        width: 280px;
        left: -280px;
    }
}

@media (max-width: 480px) {
    .menu-toggle {
        top: 15px;
        left: 15px;
        width: 45px;
        height: 45px;
    }
    
    .menu-panel {
        width: 250px;
        left: -250px;
    }
    
    .menu-header {
        padding: 60px 15px 15px;
    }
    
    .menu-link {
        padding: 12px 20px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}