header {
    height: 100px;
    position: fixed;
    top: 0;
    z-index: 100;
    width: 100%;
    background-color: transparent;
    border-bottom: 1px solid color-mix(in srgb, var(--midNight-0) 10%, transparent);
    border-radius: 0 0 0 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

header.scrolled {
    height: 80px;
    background-color: var(--midNight-0);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 10px 30px color-mix(in srgb, var(--midNight-900) 5%, transparent);
    border-bottom: 1px solid var(--midNight-50);
    border-radius: 0 0 16px 16px;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    color: var(--midNight-0);
    max-width: 1200px;
    margin: 0 auto;
    transition: color 0.3s ease;
}

header.scrolled nav {
    color: var(--midNight-900);
}

.nav-brand {
    position: relative;
    display: flex;
    align-items: center;
}

nav img {
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1), transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    max-height: 48px;
    width: auto;
    transform-origin: left center;
}

nav .logo-azul {
    position: absolute;
    left: 0;
    opacity: 0;
}

nav .logo-blanco {
    opacity: 1;
}

header.scrolled nav img {
    transform: scale(0.85);
    /* reduces logo size slightly */
}

header.scrolled nav .logo-blanco {
    opacity: 0;
}

header.scrolled nav .logo-azul {
    opacity: 1;
}

nav .nav-sections {
    display: flex;
    gap: 16px;
    align-items: center;
}

nav .nav-sections>li>a {
    font-size: 16px;
    font-weight: 500;
    position: relative;
    white-space: nowrap;
    transition: color 0.3s ease;
}

nav .nav-sections>li>a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: currentColor;
    transition: width 0.3s ease;
}

nav .nav-sections>li>a.active::after {
    width: 100%;
}



nav .nav-sections>li>a:hover,
nav .nav-sections>li>a.active,
.nav-item-social:hover .social-dropdown-trigger {
    color: var(--deepSaffron-500);
}

nav .nav-sections>li>a:not(.active):hover::after {
    width: 100%;
    bottom: -2px;
}

.nav-item-social {
    position: relative;
    cursor: pointer;
}

.social-dropdown-trigger {
    display: flex;
    align-items: center;
    gap: 8px;
}

.social-dropdown-trigger i {
    font-size: 14px;
    color: var(--midNight-500);
    transition: transform 0.3s ease;
}

.nav-item-social:hover .social-dropdown-trigger i {
    transform: rotate(180deg);
}

nav .nav-social-icons {
    display: flex;
    flex-direction: column;
    gap: 16px;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background-color: var(--midNight-0);
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 10px 40px color-mix(in srgb, var(--midNight-900) 10%, transparent);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1), transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.3s ease;
    z-index: 10;
    min-width: 180px;
}

/* Flechita apuntando hacia arriba (tooltip) */
nav .nav-social-icons::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 14px;
    height: 14px;
    background-color: var(--midNight-0);
    z-index: -1;
}

/* Puente invisible para evitar que el hover se pierda al mover el mouse */
nav .nav-social-icons::after {
    content: '';
    position: absolute;
    top: -20px;
    left: 0;
    width: 100%;
    height: 20px;
    background: transparent;
}

.nav-item-social:hover .nav-social-icons {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(12px);
}

/* Links inside the dropdown */
nav .nav-social-icons a {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    font-weight: 500;
    color: var(--midNight-900);
    transition: color 0.3s ease, opacity 0.3s ease;
}

nav .nav-social-icons a i {
    font-size: 24px;
    color: var(--midNight-500);
}

nav .nav-social-icons a:hover {
    opacity: 1;
}

nav .nav-social-icons a:hover i {
    color: var(--deepSaffron-500);
}

/* --- Language Toggle --- */
.lang-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 100px;
    border: 1.5px solid rgba(255, 255, 255, 0.15);
    font-size: 13px;
    font-weight: 700;
    transition: all 0.3s ease;
    user-select: none;
    z-index: 101;
}

header.scrolled .lang-toggle {
    background-color: var(--midNight-50);
    border-color: var(--midNight-100);
}

header.scrolled .lang-toggle,
header.menu-open .lang-toggle {
    color: var(--midNight-900);
}

.lang-option {
    color: inherit;
    opacity: 0.5;
    transition: all 0.3s ease;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
}

.lang-option:hover {
    opacity: 1;
}

.lang-option.active {
    opacity: 1;
    color: var(--deepSaffron-500);
}

header.scrolled .lang-option.active {
    color: var(--midNight-500);
}

.lang-divider {
    width: 1px;
    height: 10px;
    background-color: currentColor;
    opacity: 0.2;
}

header.scrolled .lang-toggle {
    background-color: var(--midNight-50);
}

.nav-menu-wrapper {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-brand {
    z-index: 101;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--midNight-0);
    font-size: 40px;
    /* Tamaño solicitado de 40px */
    cursor: pointer;
    z-index: 101;
    transition: color 0.4s ease;
}

header.scrolled .nav-toggle,
header.menu-open .nav-toggle {
    color: var(--midNight-500);
}

header.menu-open {
    background-color: var(--midNight-0);
    border-radius: 0 !important;
    box-shadow: none;
    border-bottom: none;
}

header.menu-open nav .logo-blanco {
    opacity: 0;
}

header.menu-open nav .logo-azul {
    opacity: 1;
}

@media (max-width: 1300px) {
    nav {
        padding: 0 48px;
    }

    .nav-toggle {
        display: block;
    }

    .nav-menu-wrapper {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--midNight-0);
        flex-direction: column;
        justify-content: flex-start;
        align-items: flex-start;
        padding: 40px 48px;
        gap: 32px;
        border-radius: 0 0 16px 16px;
        box-shadow: 0 10px 40px color-mix(in srgb, var(--midNight-900) 10%);
        border-top: none;
        border-left: none;
        border-right: none;
        border-bottom: 1px solid var(--midNight-50);
        display: flex;
        visibility: hidden;
        opacity: 0;
        pointer-events: none;
        transform: translateY(-20px);
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: -1;
    }

    .nav-menu-wrapper.active {
        visibility: visible;
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
    }

    nav .nav-sections {
        flex-direction: column;
        justify-content: flex-start;
        align-items: flex-start;
        gap: 16px;
        width: 100%;
    }

    nav .nav-sections>li>a {
        font-size: 18px;
        font-weight: 500;
        color: var(--midNight-900);
        display: inline-block;
        padding: 4px 0;
    }

    nav .nav-sections>li>a::after {
        display: none;
    }

    nav .nav-item-social {
        padding-top: 16px;
    }

    nav .nav-social-icons {
        position: static;
        transform: none !important;
        box-shadow: none;
        background-color: transparent;
        opacity: 1;
        visibility: visible;
        display: flex;
        flex-direction: row;
        gap: 24px;
        padding: 0;
    }

    .nav-item-social:hover .nav-social-icons {
        transform: none !important;
    }

    nav .nav-social-icons::before {
        display: none;
    }

    nav .nav-sections .social-dropdown-trigger {
        display: none;
    }

    nav .nav-social-icons a span {
        display: none;
    }

    nav .nav-social-icons a i {
        font-size: 24px;
        color: var(--midNight-500);
    }

    .lang-toggle {
        margin-left: 0;
        width: fit-content;
    }
}

@media (max-width: 768px) {
    nav {
        padding: 0 24px;
    }

    nav img {
        max-height: 38px;
    }

    .lang-toggle {
        margin-right: 12px;
    }
}