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

/* ── Site header ───────────────────────────────────────────── */
.site-header {
    position: sticky;
    top: 0;
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 0;
    background: var(--color-bg);
    z-index: 100;
    border-bottom: 1px solid var(--color-border);
    flex-shrink: 0;
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    width: 100%;
    max-width: var(--container-max, 1200px);
    margin-inline: auto;
    padding: 16px 24px;
    min-height: 92px;
}

.site-header__logo {
    display: flex;
    align-items: center;
    height: 60px;
    flex-shrink: 0;
}

.site-header__logo img {
    height: 60px;
    width: auto;
}

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

.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;
    margin-left: auto;
}

.site-nav__list {
    display: flex;
    align-items: center;
    gap: clamp(16px, 2vw, 28px);
    list-style: none;
    padding: 0;
    margin: 0;
}

.site-nav__link {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    white-space: nowrap;
    font-size: var(--text-base);
    font-weight: var(--weight-medium);
    color: var(--color-body);
    text-decoration: none;
    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 - dark orange keeps white text AA-compliant */
.site-nav__link--cta {
    background-color: var(--color-primary-dark);
    color: var(--color-white);
    padding: 10px 24px;
    border-radius: var(--border-radius);
    border: 2px solid var(--color-primary-dark);
    font-weight: var(--weight-semibold);
}

.site-nav__link--cta:hover {
    background-color: #a63a00;
    border-color: #a63a00;
    border-bottom-color: #a63a00;
    color: var(--color-white);
}

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

/* ── Mobile nav (below 1024px) ──────────────────────────────
   With JS: dropdown panel under the sticky header, toggled by the
   hamburger. Without JS: nav stays visible as wrapped links. */
@media (max-width: 1023px) {
    .site-header__inner {
        padding: 12px 16px;
        min-height: 72px;
    }

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

    html.js .nav-toggle {
        display: flex;
    }

    html.js .site-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        max-height: calc(100dvh - 80px);
        overflow: auto;
        flex-direction: column;
        align-items: stretch;
        margin-left: 0;
        padding: var(--space-2) var(--space-3) var(--space-3);
        background-color: var(--color-bg);
        border-bottom: 1px solid var(--color-border);
        box-shadow: 0 8px 16px rgba(0, 0, 0, 0.08);
    }

    html.js .site-nav--open {
        display: flex;
    }

    html.js .site-nav__list {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-1);
    }

    html.js .site-nav__link {
        font-size: var(--text-lg);
        padding: var(--space-1) 0;
    }

    html.js .site-nav__link--cta {
        justify-content: center;
        margin-top: var(--space-2);
        text-align: center;
    }

    /* No-JS fallback: links wrap inside the header instead of a panel */
    html:not(.js) .site-header__inner {
        flex-wrap: wrap;
        gap: var(--space-2);
    }

    html:not(.js) .site-nav {
        flex-basis: 100%;
        margin-left: 0;
    }

    html:not(.js) .site-nav__list {
        flex-wrap: wrap;
        gap: var(--space-2) var(--space-3);
    }
}