/* ===== BASE (DESKTOP DEFAULT) ===== */

.nav {
    width: 100%;
    background-color: rgba(0,0,0,0.8);
    position: relative;
    z-index: 100;
}

.nav__container {
    max-width: 1200px;
    margin: 0 auto;
    min-height: 70px;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    gap: 2rem;
    box-sizing: border-box;
}

/* ===== BRAND ===== */

.nav__brand {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.nav__logo {
    height: 35px;
    width: auto;
    margin-right: 0.5rem;
}

.nav__title {
    font-size: 1.5rem;
    letter-spacing: 0.1rem;
    display: flex;
    align-items: center;
    text-transform: uppercase;
}

.nav__title-accent {
    color: var(--color-accent);
}

/* ===== MENU (DESKTOP) ===== */

.nav__menu {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav__link {
    position: relative;
    text-transform: uppercase;
    color: var(--color-text);
    text-decoration: none;
    font-size: 1rem;
    padding: 0.5rem 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: color 150ms ease;
}

.nav__link:hover {
    color: var(--color-accent);
}

.nav__link.selected {
    color: var(--color-accent);
}

.nav__link.selected::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 100%;
    height: 2px;
    background: var(--color-accent);
    border-radius: 2px;
    box-shadow: 0 0 8px rgba(61, 174, 69, 0.6);
}

/* ===== TOGGLE (HIDDEN DESKTOP) ===== */

.nav__toggle {
    display: none;
}

/* ===== TABLET TWEAK ===== */

@media (max-width: 1023px) {

    .nav__container {
        padding: 0 1.5rem;
    }

    .nav__title {
        font-size: 1.3rem;
    }

    .nav__link {
        font-size: 0.95rem;
    }
}

/* ===== MOBILE COLLAPSE ===== */

@media (max-width: 768px) {

    .nav__container {
        min-height: 60px;
        padding: 0 1rem;
        position: relative;
    }

    .nav__logo {
        height: 30px;
    }

    /* show hamburger */
    .nav__toggle {
        display: flex;
        flex-direction: column;
        gap: 0.35rem;
        margin-left: auto;
        background: none;
        border: 0;
        padding: 0;
        cursor: pointer;
    }

    .nav__toggle-bar {
        width: 25px;
        height: 3px;
        background-color: var(--color-text);
        border-radius: 2px;
        transition: all 0.3s ease;
    }

    .nav__toggle.is-active .nav__toggle-bar:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

    .nav__toggle.is-active .nav__toggle-bar:nth-child(2) {
        opacity: 0;
    }

    .nav__toggle.is-active .nav__toggle-bar:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }

    /* collapse menu into dropdown */
    .nav__menu {
        position: absolute;
        top: 60px;
        right: 1rem;
        flex-direction: column;
        align-items: flex-start;
        background-color: rgba(0,0,0,0.95);
        padding: 0.75rem 1.5rem;
        gap: 0.5rem;
        min-width: 200px;

        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transform: translateY(-6px);
        transition: opacity 200ms ease, transform 200ms ease, visibility 200ms;
    }

    .nav__menu.is-open {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: translateY(0);
    }

    .nav__link {
        width: 100%;
        justify-content: flex-start;
        padding: 0.4rem 0;
        font-size: 0.9rem;
    }
}