/* ==============================
   HEADER & NAVIGATION
   ============================== */

.site-header {
    background-color: var(--color-sauge);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 20;
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    padding-block: var(--space-sm);
}

.site-logo {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
}

.site-logo img {
    max-height: 52px;
    width: auto;
    display: block;
}

.site-nav-toggle {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.22rem;
    padding: 0.4rem;
    border: none;
    background: transparent;
    cursor: pointer;
}

.site-nav-toggle__line {
    width: 22px;
    height: 2px;
    border-radius: 999px;
    background-color: var(--color-sapin);
    transition: transform 0.2s ease, opacity 0.2s ease, background-color 0.2s ease;
}

.site-nav-toggle.is-open .site-nav-toggle__line:nth-child(1) {
    transform: translateY(4px) rotate(45deg);
}

.site-nav-toggle.is-open .site-nav-toggle__line:nth-child(2) {
    opacity: 0;
}

.site-nav-toggle.is-open .site-nav-toggle__line:nth-child(3) {
    transform: translateY(-4px) rotate(-45deg);
}

/* Navigation */

.site-nav {
    position: absolute;
    inset-block-start: 100%;
    inset-inline: 0;
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-md);
    display: none;
}

.site-nav--open {
    display: block;
    background-color: var(--color-sapin);
}

.site-nav__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: var(--space-sm);
}

.site-nav__link {
    display: inline-flex;
    align-items: center;
    font-family: var(--font-body);
    font-size: 0.95rem;
    text-transform: none!important;
    letter-spacing: 0.05em;
    color: var(--color-bg-alt);
    padding-block: 0.25rem;
    text-decoration: none;
    position: relative;
}


.site-nav__link::after {
    content: "";
    position: absolute;
    inset-inline: 0;
    inset-block-end: 0;
    height: 1px;
    transform: scaleX(0);
    transform-origin: center;
    background-color: var(--color-lichen);
    transition: transform 0.2s ease;
}

.site-nav__link:hover::after,
.site-nav__link:focus-visible::after {
    transform: scaleX(1);
}

.site-nav__link--highlight {
    color: var(--color-lichen);
}

.site-nav__link.is-active {
    color: var(--color-sapin);
}

.site-nav__link.is-active::after {
    transform: scaleX(1);
    background-color: var(--color-sapin);
}

/* ==============================
   RESPONSIVE NAV
   ============================== */

@media (min-width: 768px) {
    .site-nav {
        position: static;
        display: block;
        border-bottom: none;
        padding: 0;
    }

    .site-nav__list {
        display: flex;
        align-items: center;
        justify-content: flex-end;
        gap: var(--space-lg);
    }

    .site-nav-toggle {
        display: none;
    }
}