:root{
    --nav-overlay-bg: rgba(3, 6, 15, 0.65);
    --nav-panel-bg: rgba(10, 15, 35, 0.55);
    --nav-glass-border: rgba(255, 255, 255, 0.08);
    --accent-start: #00f7ff;
    --accent-end: #7b2dff;
    --accent-cyan: #00f7ff;
    --accent-purple: #7b2dff;
    --glass-blur: 22px;
    --transition-smooth: cubic-bezier(0.34, 1.56, 0.64, 1);
    --transition-easeout: cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-menu,
.nav-menu *{
    user-select: none;
    -webkit-user-select: none;
}

/* ═══════════════════ NAVBAR BASE ═══════════════════ */
.nav-neon{
    position: fixed;
    top: 15px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 48px);
    max-width: 1200px;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, rgba(3, 6, 15, 0.7), rgba(10, 15, 35, 0.6));
    backdrop-filter: blur(var(--glass-blur)) saturate(1.3) brightness(1.1);
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(1.3) brightness(1.1);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    box-shadow: 
        0 16px 48px rgba(0, 0, 0, 0.35),
        inset 0 1px 1px rgba(255, 255, 255, 0.1),
        0 0 40px rgba(0, 247, 255, 0.1);
}

/* ═══════════════════ LOGO SECTION ═══════════════════ */
.nav-logo{
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
}

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

.logo-img{
    width: 40px;
    height: 40px;
    object-fit: contain;
    filter: drop-shadow(0 0 8px rgba(0, 247, 255, 0.4));
    transition: filter 0.3s ease;
}

.nav-logo:hover .logo-img{
    filter: drop-shadow(0 0 16px rgba(0, 247, 255, 0.6));
}

.logo-text{
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(0, 247, 255, 0.3);
    transition: all 0.3s ease;
}

/* ═══════════════════ HAMBURGER BUTTON ═══════════════════ */
.nav-toggle{
    display: none;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 12px;
    border: 3px solid transparent;
    background: linear-gradient(135deg, rgba(0, 247, 255, 0.1), rgba(123, 45, 255, 0.08));
    cursor: pointer;
    position: relative;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    overflow: hidden;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-shadow: 
        0 8px 24px rgba(0, 247, 255, 0.15),
        inset 0 1px 2px rgba(255, 255, 255, 0.1);
}

/* Glow/ripple effect en hover */
.nav-toggle::before{
    content: '';
    position: absolute;
    inset: -50%;
    background: radial-gradient(circle, rgba(0, 247, 255, 0.4) 0%, transparent 70%);
    opacity: 0;
    border-radius: 50%;
    transition: opacity 0.4s ease, transform 0.4s ease;
    pointer-events: none;
    transform: scale(0.5);
}

.nav-toggle:hover::before{
    opacity: 1;
    transform: scale(1.2);
}

/* Efecto de borde pulsante en hover */
.nav-toggle::after{
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 12px;
    border: 2px solid var(--accent-cyan);
    opacity: 0;
    transition: opacity 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 0 0 0 rgba(0, 247, 255, 0.5);
}

.nav-toggle:hover::after{
    opacity: 1;
    box-shadow: 0 0 0 8px rgba(0, 247, 255, 0);
    animation: pulse-border 1.5s ease-in-out infinite;
}

/* Animación de pulso del borde */
@keyframes pulse-border{
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(0, 247, 255, 0.6);
    }
    50% {
        box-shadow: 0 0 0 8px rgba(0, 247, 255, 0);
    }
}

/* Feedback visual al click - scale más brutal */
.nav-toggle:active{
    transform: scale(0.88);
    box-shadow: 
        0 4px 12px rgba(0, 247, 255, 0.25),
        inset 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* ═══════════════════ HAMBURGER LINES ═══════════════════ */
.nav-toggle span{
    position: absolute;
    width: 24px;
    height: 2.5px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
    border-radius: 2px;
    transition: 
        transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94),
        opacity 0.3s ease,
        top 0.3s ease;
    transform-origin: center;
    filter: drop-shadow(0 0 4px rgba(0,247,255,0.25));
    left: 50%;
    margin-left: -12px;
    transform: translateX(-50%);
}

.nav-toggle span:nth-child(1){
    transform: translateY(-8px);
}

.nav-toggle span:nth-child(2){
    top: 33%;
    left: 70%;
    opacity: 1;
}

.nav-toggle span:nth-child(3){
    transform: translateY(8px);
}

/* Animación: hamburguesa → flecha (→) apuntando a la derecha */
.nav-toggle.active span:nth-child(1){
    transform: rotate(-45deg) translateX(6px);
    opacity: 1;
}

.nav-toggle.active span:nth-child(2){
    opacity: 1;
    transform: scaleX(0.8);
}

.nav-toggle.active span:nth-child(3){
    transform: rotate(45deg) translateX(6px);
    opacity: 1;
}

/* ═══════════════════ DESKTOP MENU ═══════════════════ */
.nav-menu{
    display: flex;
    align-items: center;
    gap: 1.6rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

/* ═══════════════════ DESKTOP MENU LINKS ═══════════════════ */
.nav-link,
.nav-cta{
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.3px;
    padding: 0.75rem 1.25rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border: 1px solid transparent;
    cursor: pointer;
}

.nav-link{
    color: #e0f2ff;
    background: rgba(0, 247, 255, 0.08);
    border-color: rgba(0, 247, 255, 0.15);
}

.nav-link::before{
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 247, 255, 0.15), rgba(123, 45, 255, 0.08));
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.nav-link:hover{
    background: rgba(0, 247, 255, 0.15);
    border-color: rgba(0, 247, 255, 0.35);
    color: #00ffff;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 247, 255, 0.2);
}

.nav-link:hover::before{
    opacity: 1;
}

/* CTA Button - Más prominente */
.nav-cta{
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    color: #000;
    border: none;
    font-weight: 700;
    padding: 0.85rem 1.75rem;
    box-shadow: 0 8px 24px rgba(0, 247, 255, 0.3);
}

.nav-cta:hover{
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(0, 247, 255, 0.4);
}

.nav-cta:active{
    transform: translateY(0);
}

/* Language toggle - Desktop */
.language-toggle{
    padding: 0.75rem 1.25rem;
    border-radius: 8px;
    border: 1.5px solid rgba(0, 247, 255, 0.25);
    background: rgba(0, 247, 255, 0.08);
    color: #e0f2ff;
    font-weight: 600;
    text-align: center;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.language-toggle:hover{
    border-color: rgba(0, 247, 255, 0.5);
    background: rgba(0, 247, 255, 0.15);
    box-shadow: inset 0 0 16px rgba(0, 247, 255, 0.1);
    transform: translateY(-2px);
}

/* ═══════════════════ MOBILE MENU PANEL ═══════════════════ */
@media (max-width: 992px){
    .nav-toggle{
        display: flex;
        align-items: center;
        justify-content: center;

        width: 56px;
        height: 56px;
        border-radius: 20px;
    }

    .nav-menu{
        position: fixed;
        top: 100px;
        left: 0;
        right: 0;
        transform: translateX(-50%) translateY(-20px);
        width: 100%;
        max-width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding: 2.5rem 1.5rem;
        gap: 1.25rem;
        background: var(--nav-panel-bg);
        backdrop-filter: blur(var(--glass-blur)) saturate(1.3) brightness(1.15);
        -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(1.3) brightness(1.15);
        box-shadow:
        0 20px 60px rgba(0,0,0,0.45),
        inset 0 1px 1px rgba(255,255,255,0.08);
        border: 1px solid rgba(255,255,255,0.06);
        border-bottom: 1px solid var(--nav-glass-border);
        border-radius: 15px;
        transition: 
            transform 0.45s var(--transition-easeout),
            opacity 0.35s ease;
        opacity: 0;
        pointer-events: none;
        z-index: 1200;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        max-height: calc(100vh - 80px);
    }

    /* OVERLAY - Minimal, solo para cierre con click */
    .nav-overlay{
        position: fixed;
        inset: 0;
        background: transparent;
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        opacity: 0;
        transition: opacity 0.3s ease;
        pointer-events: none;
        z-index: 1190;
    }

    /* Estado abierto - Slide down */
    body.nav-open .nav-menu{
        transform: translateX(-50%) translateY(0);
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    body.nav-open .nav-overlay{
        opacity: 1;
        pointer-events: auto;
    }

    /* ═══════════════════ MENU ITEMS ANIMATION (STAGGER) ═══════════════════ */
    .nav-menu li{
        opacity: 0;
        transform: translateY(-10px);
        transition: 
            transform 0.45s var(--transition-easeout),
            opacity 0.35s ease;
        width: 100%;
        text-align: center;
    }

    body.nav-open .nav-menu li{
        opacity: 1;
        transform: translateY(0);
    }

    /* Stagger delays elegante */
    body.nav-open .nav-menu li:nth-child(1){ transition-delay: 0.05s; }
    body.nav-open .nav-menu li:nth-child(2){ transition-delay: 0.1s; }
    body.nav-open .nav-menu li:nth-child(3){ transition-delay: 0.15s; }
    body.nav-open .nav-menu li:nth-child(4){ transition-delay: 0.2s; }

    /* ═══════════════════ MENU LINKS STYLING ═══════════════════ */
    .nav-menu .nav-link,
    .nav-menu .nav-cta{
        font-size: 1.25rem;
        padding: 1.25rem 2rem;
        border-radius: 14px;
        width: 100%;
        max-width: 320px;
        display: block;
        font-weight: 600;
        letter-spacing: 0.5px;
        position: relative;
        overflow: hidden;
        transition: 
            background-color 0.3s ease,
            color 0.3s ease,
            transform 0.2s ease,
            box-shadow 0.3s ease;
        text-align: center;
        margin: 0.5rem auto;
    }

    .nav-menu .nav-link{
        color: #e0f2ff;
        background: rgba(0, 247, 255, 0.08);
        border: 1.5px solid rgba(0, 247, 255, 0.2);
    }

    .nav-menu .nav-link::before{
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(0, 247, 255, 0.25), rgba(123, 45, 255, 0.12));
        opacity: 0;
        transition: opacity 0.3s ease;
    }

    .nav-menu .nav-link:hover{
        background: rgba(0, 247, 255, 0.15);
        border-color: rgba(0, 247, 255, 0.45);
        color: #00ffff;
        transform: translateX(8px);
        box-shadow: inset 0 0 24px rgba(0, 247, 255, 0.2);
    }

    .nav-menu .nav-link:hover::before{
        opacity: 1;
    }

    /* CTA Button premium - más grande y prominente */
    .nav-menu .nav-cta{
        background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
        color: #000;
        border: none;
        font-weight: 700;
        font-size: 1.3rem;
        padding: 1.35rem 2.2rem;
        margin-top: 1.5rem;
        box-shadow: 0 12px 40px rgba(0, 247, 255, 0.3);
    }

    .nav-menu .nav-cta:hover{
        transform: translateY(-3px);
        box-shadow: 0 16px 56px rgba(0, 247, 255, 0.42);
    }

    .nav-menu .nav-cta:active{
        transform: translateY(-1px);
    }

    /* Language toggle en el menú */
    .nav-menu .language-toggle{
        margin-top: 1.5rem;
        padding: 1rem 1.5rem;
        border-radius: 12px;
        border: 1.5px solid rgba(0, 247, 255, 0.25);
        background: rgba(0, 247, 255, 0.1);
        color: #e0f2ff;
        font-weight: 600;
        text-align: center;
        font-size: 1.05rem;
        transition: all 0.3s ease;
        width: 50%;
        max-width: 320px;
        margin-left: auto;
        margin-right: auto;
    }

    .nav-menu .language-toggle:hover{
        border-color: rgba(0, 247, 255, 0.5);
        background: rgba(0, 247, 255, 0.18);
        box-shadow: inset 0 0 18px rgba(0, 247, 255, 0.15);
        transform: translateY(-2px);
    }
}

/* ═══════════════════ DESKTOP MENU ITEMS ═══════════════════ */
.nav-menu a{
    transition: 
        color 0.25s ease,
        transform 0.2s ease;
    position: relative;
    outline: none;
}

.nav-menu a:hover{
    transform: translateY(-2px);
}

/* ═══════════════════ FOCUS ACCESSIBILITY ═══════════════════ */
.nav-menu a:focus,
.nav-toggle:focus,
.nav-cta:focus{
    outline: 2px solid var(--accent-cyan);
    outline-offset: 3px;
    border-radius: 6px;
}

.nav-menu a:focus:not(:focus-visible),
.nav-menu button:focus:not(:focus-visible){
    outline: none;
}

.nav-menu a:active,
.nav-menu button:active{
    transform: scale(0.97);
}

.nav-menu a:focus,
.nav-menu button:focus{
    box-shadow: none;
}

.nav-menu a:active{
    background: rgba(0, 247, 255, 0.18);
}

/* ═══════════════════ MOBILE REFINEMENTS ═══════════════════ */
@media (max-width: 480px){
    .nav-menu{
        top: 80px;
        width: calc(100% - 32px);
        padding: 2rem 1.25rem;
        gap: 1rem;
    }

    .nav-menu .nav-link,
    .nav-menu .nav-cta{
        font-size: 1.15rem;
        padding: 1.1rem 1.75rem;
        max-width: 100%;
        margin: 0.4rem auto;
    }

    .nav-menu .language-toggle{
        font-size: 1rem;
        padding: 0.95rem 1.5rem;
    }
}

/* ═══════════════════ LOCK BODY SCROLL ═══════════════════ */
body.nav-open{
    overflow: hidden;
}


.nav-toggle{
    background: transparent !important;
    box-shadow: none !important;
    border: none !important;
    outline: none !important;
}