/* =================================================================
   LDN COMPONENT: Editorial Header
   ================================================================= */

.ldn-site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border);
    transition: background var(--duration) var(--ease-out),
                box-shadow var(--duration) var(--ease-out);
}

.ldn-site-header.is-scrolled {
    box-shadow: var(--shadow-sm);
}

.ldn-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--max-width-wide);
    margin: 0 auto;
    padding: var(--space-4) var(--gutter);
}

/* ─── Logo ── */
.ldn-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
}

.ldn-logo-text {
    font-family: var(--font-serif);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: var(--tracking-tight);
    line-height: 1;
}

.ldn-logo-city {
    font-family: var(--font-sans);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
    color: var(--accent-primary);
    display: block;
    margin-top: 2px;
}

/* ─── Navigation ── */
.ldn-nav {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.ldn-nav a {
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    font-weight: 500;
    letter-spacing: var(--tracking-wide);
    color: var(--text-secondary);
    text-decoration: none;
    position: relative;
    transition: color var(--duration) var(--ease-out);
}

.ldn-nav a:hover,
.ldn-nav a.is-active {
    color: var(--text-primary);
}

.ldn-nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-primary);
    transition: width var(--duration) var(--ease-out);
}

.ldn-nav a:hover::after,
.ldn-nav a.is-active::after {
    width: 100%;
}

/* ─── Mobile Toggle ── */
.ldn-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
}

.ldn-menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    margin: 5px 0;
    transition: all var(--duration) var(--ease-out);
}

@media (max-width: 768px) {
    .ldn-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        flex-direction: column;
        padding: var(--space-5);
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-md);
    }

    .ldn-nav.is-open {
        display: flex;
    }

    .ldn-menu-toggle {
        display: block;
    }
}