body.spp-body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background-color: #f8f9fa;
    color: #212529;
}

.spp-header .navbar-brand {
    letter-spacing: 0.04em;
}

.spp-brand-main {
    font-weight: 600;
}

.spp-brand-accent {
    font-weight: 700;
    color: #0d6efd;
    margin-left: 0.15rem;
}

.spp-main {
    min-height: 60vh;
}

.spp-footer {
    background-color: #ffffff;
}

.spp-footer-title {
    font-weight: 600;
}

.spp-footer-link {
    font-size: 0.875rem;
    text-decoration: none;
    color: #6c757d;
}

.spp-footer-link:hover {
    color: #0d6efd;
    text-decoration: underline;
}

.spp-hero {
    background: #ffffff;
}

.spp-kicker {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #6c757d;
}

.spp-hero-list {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.spp-hero-list li::before {
    content: "•";
    color: #0d6efd;
    margin-right: 0.4rem;
}

.spp-card {
    border-radius: 0.5rem;
    background-color: #ffffff;
}

.spp-topic-card {
    background-color: #ffffff;
    border-radius: 0.5rem;
    border: 1px solid #dee2e6;
}

.spp-topic-card:hover {
    border-color: #0d6efd;
    background-color: #f8fbff;
}

.spp-inline-list {
    list-style: none;
    padding-left: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
}

.spp-inline-list a {
    text-decoration: none;
}

.spp-inline-list a:hover {
    text-decoration: underline;
}

.spp-agency-table table {
    background-color: #ffffff;
}

.spp-callout {
    border-left: 4px solid #0d6efd;
    padding-left: 1rem;
}

.spp-nav-highlight {
    font-weight: 600;
}

.spp-article {
    line-height: 1.6;
}

@media (max-width: 767.98px) {
    .spp-header .navbar-brand {
        font-size: 0.95rem;
    }
}

/* Mobile sticky CTA bar for LEO study platform */
.spp-sticky-cta {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1040;
    background-color: #0d6efd;
    color: #ffffff;
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    font-size: 0.875rem;
    box-shadow: 0 -2px 8px rgba(15, 23, 42, 0.35);
}

.spp-sticky-cta__text {
    flex: 1 1 auto;
}

.spp-sticky-cta__btn {
    flex: 0 0 auto;
}

.spp-sticky-cta__close {
    border: none;
    background: transparent;
    color: #ffffff;
    font-size: 1rem;
    line-height: 1;
    padding: 0 0.25rem;
    cursor: pointer;
}

/* Hide on larger screens – mobile focus only */
@media (min-width: 768px) {
    .spp-sticky-cta {
        display: none;
    }
}