/* ------------------------------------------------
   Navigation
   ------------------------------------------------ */
body {
    padding-top: var(--nav-height);
}

.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    z-index: 99;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-inline: var(--spacing-m);
    background: var(--color-background-dark);
    color: white;
    border-bottom: 2px solid var(--color-accent);
    transition: transform 0.35s ease;
}

/* ------------------------------------------------
   Nav Links
   ------------------------------------------------ */
nav a {
    color: inherit;
    text-decoration: none;
    text-transform: uppercase;
    font-family: var(--font-heading);
}

nav .logo {
    font-size: 1.2rem;
}

nav a .highlight {
    color: var(--color-accent);
}

/* ------------------------------------------------
   Nav Items (Desktop)
   ------------------------------------------------ */
.main-nav--items {
    display: flex;
    flex-direction: row;
    gap: var(--spacing-l);
}

.main-nav--items-inner{
    display: flex;
    gap: var(--spacing-m);

}

.main-nav--item.active {
    color: var(--color-accent);
}

/* ------------------------------------------------
   Toggle Button
   ------------------------------------------------ */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    color: var(--color-accent);
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    margin: 5px 0;
    background: currentColor;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

/* ------------------------------------------------
   Mobile
   ------------------------------------------------ */
@media (max-width: 768px) {

    .nav-toggle {
        display: block;
    }

    .main-nav--items {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0;
        background-color: var(--color-background-darker);
        border-bottom: 1px solid var(--color-accent);
        display: grid;
        grid-template-rows: 0fr;
        padding: 0 var(--spacing-m);
        overflow: hidden;
        pointer-events: none;
        transition: grid-template-rows 0.3s ease, padding 0.3s ease;
    }

    .main-nav--items-inner {
        min-height: 0;
        overflow: hidden;
        display: flex;
        flex-direction: column;
        gap: 0;
    }

    .main-nav--item {
        padding: var(--spacing-m) 0;
        width: 100%;
    }

    .main-nav--item a {
        display: block;
        width: 100%;
        text-align: right;
        font-size: 1.5rem;
        font-weight: 600;
    }

    /* Open state */
    .main-nav.menu-open .main-nav--items {
        grid-template-rows: 1fr;
        padding: var(--spacing-m);
        pointer-events: auto;
    }

    /* Burger → X */
    .main-nav.menu-open .nav-toggle span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    .main-nav.menu-open .nav-toggle span:nth-child(2) {
        opacity: 0;
    }
    .main-nav.menu-open .nav-toggle span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
}