/* ──────────────────────────────────────────────────────────────
   Dine Local — Navigation
   Header nav, mobile nav, active states.
   ────────────────────────────────────────────────────────────── */

/* ── Site header ───────────────────────────────────────────── */
.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--space-2) var(--space-2);
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    position: relative;
    z-index: 100;
}

@media (min-width: 768px) {
    .site-header {
        padding: var(--space-2) var(--space-3);
    }
}

.site-header__logo {
    display: flex;
    align-items: center;
    height: 48px;
    flex-shrink: 0;
}

.site-header__logo img {
    height: 48px;
    width: auto;
}

@media (min-width: 768px) {
    .site-header__logo img {
        height: 60px;
    }
}

/* ── Nav toggle (hamburger) ────────────────────────────────── */
.nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-1);
    z-index: 101;
}

.nav-toggle__bars,
.nav-toggle__bars::before,
.nav-toggle__bars::after {
    display: block;
    width: 28px;
    height: 3px;
    background-color: var(--color-ink);
    border-radius: 2px;
    transition: transform var(--transition-base),
                opacity var(--transition-base);
}

.nav-toggle__bars {
    position: relative;
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
    content: '';
    position: absolute;
    left: 0;
}

.nav-toggle__bars::before { top: -8px; }
.nav-toggle__bars::after  { top: 8px; }

/* Hamburger to X animation when open */
.nav-toggle[aria-expanded="true"] .nav-toggle__bars {
    background-color: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before {
    transform: translateY(8px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after {
    transform: translateY(-8px) rotate(-45deg);
}

.nav-toggle:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: 4px;
}

/* ── Site nav (desktop) ───────────────────────────────────── */
.site-nav {
    display: flex;
    align-items: center;
}

.site-nav__list {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    list-style: none;
    padding: 0;
    margin: 0;
}

.site-nav__link {
    font-size: var(--text-base);
    font-weight: var(--weight-medium);
    color: var(--color-body);
    text-decoration: none;
    padding: var(--space-1) 0;
    border-bottom: 2px solid transparent;
    transition: color var(--transition-fast),
                border-color var(--transition-fast);
}

.site-nav__link:hover {
    color: var(--color-ink);
    text-decoration: none;
    border-bottom-color: var(--color-primary);
}

.site-nav__link--active {
    color: var(--color-ink);
    border-bottom-color: var(--color-primary);
}

.site-nav__link:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: 4px;
}

/* CTA link in nav */
.site-nav__link--cta {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 10px 24px;
    border-radius: var(--border-radius);
    border: 2px solid var(--color-primary);
    font-weight: var(--weight-semibold);
}

.site-nav__link--cta:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    border-bottom-color: var(--color-primary-dark);
}

/* External link */
.site-nav__link--external::after {
    content: ' \2197';
    font-size: var(--text-sm);
}

/* ── Mobile nav ───────────────────────────────────────────── */
@media (max-width: 767px) {
    .nav-toggle {
        display: flex;
    }

    .site-nav {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: var(--color-bg);
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        padding: var(--space-6) var(--space-3);
        transform: translateX(100%);
        transition: transform var(--transition-base);
        z-index: 99;
    }

    .site-nav--open {
        transform: translateX(0);
    }

    .site-nav__list {
        flex-direction: column;
        gap: var(--space-4);
        align-items: center;
    }

    .site-nav__link {
        font-size: var(--text-xl);
    }

    .site-nav__link--cta {
        font-size: var(--text-lg);
        margin-top: var(--space-2);
    }
}

@media (min-width: 768px) {
    .nav-toggle {
        display: none;
    }
}