/* ===================== HEADER ===================== */
.pagina-index header {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 90px;
    background: rgba(15, 15, 15, 0.95);
    box-shadow: 0 1px 8px rgba(0,0,0,0.8);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 10;
}

.pagina-index #navbar {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.pagina-index .nav-left,
.pagina-index .nav-center,
.pagina-index .nav-right {
    display: flex;
    align-items: center;
}

.pagina-index .nav-left {
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    gap: 2px; /* espaçamento entre nome e subtitle */
}

.pagina-index .nav-center {
    justify-content: center;
}

.pagina-index .nav-right {
    justify-content: flex-end;
    gap: 12px;
}

/* NAV NAME E SUBTITLE */
.pagina-index #nav_name {
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    font-size: 1.8rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: #5b5858;
    user-select: none;
    margin: 0;
}

.pagina-index #nav_subtitle {
    font-size: 1.2rem;
    color: #aaa;
    margin: 0;
}

/* NAV LIST */
.pagina-index #nav_list {
    display: flex;
    list-style: none;
    gap: 48px;
}

.pagina-index .nav-item a {
    text-decoration: none;
    color: #aaa;
    font-weight: 500;
    font-size: 1rem;
    padding: 10px 0;
    transition: color 0.25s ease;
    font-family: 'Orbitron', sans-serif;
    position: relative;
}

.pagina-index .nav-item a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #00ffea;
    transition: width 0.3s ease;
}

.pagina-index .nav-item a:hover::after {
    width: 100%;
}

.pagina-index .nav-item:hover {
    transform: scale(1.1);
    transition: color 0.3s ease, transform 0.3s ease;
}

.pagina-index .nav-item.active a {
    color: #94c2e0;
    border-bottom: 3px solid var(--color-primary-4);
}

/* BOTÕES */
.pagina-index .btn-default {
    border: none;
    display: flex;
    color: rgb(255, 255, 255);
    background-color: #333;
    border-radius: 12px;
    padding: 10px 18px;
    font-weight: 600;
    box-shadow: 0px 0px 10px 2px rgba(255, 253, 253, 0.1);
    cursor: pointer;
    transition: background-color .3s ease;
}

.pagina-index .btn-default:hover {
    background-color: #00e6e6;
    color: #0a0a0a;
}

/* ===================== RESPONSIVE ===================== */
@media screen and (max-width: 1170px) {
    .pagina-index header {
        padding: 0 16px;
        flex-wrap: wrap;
        justify-content: space-between;
        align-items: center;
    }

    .pagina-index #navbar {
        flex-wrap: wrap;
        justify-content: space-between;
        align-items: center;
    }

    .pagina-index #nav_name {
        position: relative;
        left: 170px;
        font-size: 1.5rem;
        white-space: nowrap;
        margin: 0px;
        flex: 1;
    }

    .pagina-index #nav_list {
        gap: 28px;
        margin: 0 auto;
        justify-content: center;
        flex-wrap: wrap;
        padding: 0;
        display: flex;
        flex: 2;
    }

    .pagina-index .nav-item a {
        font-size: 0.95rem;
        white-space: nowrap;
        left: 170px;
        top: -5px;
    }

    .pagina-index .btn-default {
        padding: 8px 16px;
        font-size: 0.6rem;
        white-space: nowrap;
    }

    .pagina-index .nav-right {
        justify-content: flex-end;
        flex: 1;
    }
}


@media screen and (max-width: 600px) {
    .pagina-index #navbar {
        flex-direction: column;
        justify-content: center;
        gap: 8px;
    }

    .pagina-index .nav-left {
        align-items: center;
        flex-direction: column;
        margin-top: 10px;
    }

    .pagina-index #nav_name {
        font-size: 1.2rem;
        letter-spacing: normal;
    }

    .pagina-index #nav_subtitle {
        font-size: 0.9rem;
        color: #ccc;
    }

    .pagina-index #nav_list {
        flex-direction: column;
        gap: 12px;
        margin: 0;
    }

    .pagina-index .nav-item a {
        font-size: 0.8rem;
    }

    .pagina-index .btn-default {
        display: none;
    }
}