:root,
[data-theme="light"] {
    --logo-grad-from: #047857;
    --logo-grad-to: #10b981;
    --logo-facet: rgba(255, 255, 255, 0.38);
    --logo-accent: #c9a227;
    --logo-name: var(--color-heading);
    --logo-tagline: var(--color-text-muted);
}

[data-theme="dark"] {
    --logo-grad-from: #059669;
    --logo-grad-to: #34d399;
    --logo-facet: rgba(255, 255, 255, 0.22);
    --logo-accent: #d4af37;
}

.brand-logo--on-dark {
    --logo-grad-from: #10b981;
    --logo-grad-to: #6ee7b7;
    --logo-facet: rgba(255, 255, 255, 0.28);
    --logo-accent: #e8c547;
    --logo-name: #ffffff;
    --logo-tagline: rgba(255, 255, 255, 0.65);
}

.brand-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    line-height: 1.2;
}

.brand-logo__mark {
    flex-shrink: 0;
    display: block;
    object-fit: contain;
}

/* Theme-matched mark: transparent SVGs, swapped by [data-theme] so there is no flash. */
.brand-logo__mark--dark {
    display: none;
}

[data-theme="dark"] .brand-logo:not(.brand-logo--on-dark) .brand-logo__mark--light {
    display: none;
}

[data-theme="dark"] .brand-logo:not(.brand-logo--on-dark) .brand-logo__mark--dark,
.brand-logo--on-dark .brand-logo__mark--dark {
    display: block;
}

[data-theme="dark"] .brand-logo__mark--dark {
    filter: drop-shadow(0 0 6px rgba(52, 211, 153, 0.25));
}

.brand-logo--sm .brand-logo__mark {
    width: 32px;
    height: 32px;
}

.brand-logo--md .brand-logo__mark {
    width: 40px;
    height: 40px;
}

.brand-logo--lg .brand-logo__mark {
    width: 56px;
    height: 56px;
}

.brand-logo--full .brand-logo__text {
    display: flex;
    flex-direction: column;
}

.brand-logo__name {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--logo-name);
}

.brand-logo--sm .brand-logo__name {
    font-size: 1rem;
}

.brand-logo--lg .brand-logo__name {
    font-size: 1.45rem;
}

.brand-logo__tagline {
    font-family: var(--font-sans);
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--logo-tagline);
    letter-spacing: 0.03em;
}

.brand-logo--lg .brand-logo__tagline {
    font-size: 0.78rem;
}

.footer-brand {
    margin-bottom: 0.75rem;
}

.page-header .brand-logo--lg {
    justify-content: center;
    margin-bottom: 1.25rem;
}

.page-header .brand-logo--lg .brand-logo__name,
.page-header .brand-logo--lg .brand-logo__tagline {
    text-align: center;
}