/* ============================================
   Layout (Uber Base Web)
   ============================================ */

/* Header */
.site-header {
    background-color: var(--color-primary);
    /* Black header */
    color: var(--color-text-inverse);
    padding: var(--spacing-4) 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    font-size: var(--font-size-h3);
    font-weight: 500;
    color: var(--color-text-inverse);
    text-decoration: none;
    border-bottom: none;
    letter-spacing: -0.03em;
}

.brand:hover {
    opacity: 0.8;
}

.main-nav {
    display: flex;
    gap: var(--spacing-6);
}

.nav-link {
    color: var(--color-text-inverse);
    font-weight: 500;
    text-decoration: none;
    font-size: var(--font-size-sm);
    border-bottom: none;
}

.nav-link:hover {
    opacity: 0.7;
}

/* Main Content */
#main-content {
    padding: var(--spacing-8) 0;
    min-height: calc(100vh - 300px);
}

/* Footer */
.site-footer {
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
    padding: var(--spacing-10) 0 var(--spacing-6);
    margin-top: auto;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-8);
}

.footer-section h3,
.footer-section h4 {
    color: var(--color-text-inverse);
    margin-bottom: var(--spacing-4);
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section a {
    color: var(--color-text-inverse);
    text-decoration: none;
    border-bottom: none;
    opacity: 0.8;
}

.footer-section a:hover {
    opacity: 1;
    text-decoration: underline;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-6);
    text-align: center;
    font-size: var(--font-size-sm);
    opacity: 0.6;
}

/* Grids */
.grid {
    display: grid;
    gap: var(--spacing-6);
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 360px;
    /* Fixed width sidebar */
    gap: var(--spacing-8);
}

@media (max-width: 900px) {
    .content-grid {
        grid-template-columns: 1fr;
    }
}

/* Utilities */
.pt-0 {
    padding-top: 0 !important;
}