/* Hero banner */
.hero-banner {
    background: linear-gradient(135deg, #0d1b2a 0%, #1b3a5c 50%, #3a7bd5 100%);
    color: #fff;
    padding: 3rem 2rem 2.5rem;
    text-align: center;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    position: relative;
    overflow: hidden;
}

.hero-banner::before {
    content: "";
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background:
        radial-gradient(circle at 30% 70%, rgba(58, 123, 213, 0.3), transparent 50%),
        radial-gradient(circle at 70% 30%, rgba(106, 17, 203, 0.15), transparent 50%);
    pointer-events: none;
}

.hero-banner > * {
    position: relative;
}

.hero-logo {
    width: 200px;
    margin-bottom: 0.75rem;
}

.hero-tagline {
    font-size: 1.1rem;
    max-width: 520px;
    margin: 0 auto 1.5rem;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-buttons a {
    padding: 0.55rem 1.4rem;
    border-radius: 8px;
    text-decoration: none !important;
    font-weight: 600;
    font-size: 0.9rem;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.hero-buttons a:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
    text-decoration: none !important;
}

.hero-btn-primary {
    border: 2px solid rgba(255, 255, 255, 0.7);
    background: #fff;
    color: #1b3a5c !important;
}

.hero-btn-secondary {
    border: 2px solid rgba(255, 255, 255, 0.7);
    color: #fff !important;
    background: transparent;
}

.hero-btn-secondary:hover {
    border-color: #fff;
}

.graphviz {
    text-align: center;
}

/* Small config-key badges */
.sd-badge-sm {
    font-size: 0.65em;
    padding: 0.15em 0.45em;
    vertical-align: middle;
}

/* Hide badges in sidebar TOC */
.bd-toc .sd-badge-sm {
    display: none;
}

div.math mjx-container {
    padding-bottom: 0.5rem;
    overflow: hidden;
}

.config-defaults-list {
    margin: 1.1rem 0 1.6rem;
}

.config-defaults-separator {
    border: 0;
    border-top: 1px solid var(--pst-color-border, rgba(15, 23, 42, 0.2));
    margin: 0.05rem 0;
}

.config-defaults-item {
    padding: 0.7rem 0;
}

.config-defaults-item-group {
    padding-bottom: 0.85rem;
}

.config-defaults-header {
    margin: 0;
}

.config-defaults-key {
    font-size: 1em;
    font-weight: 600;
    overflow-wrap: anywhere;
}

.config-defaults-meta {
    color: var(--pst-color-text-muted);
    font-size: 0.95rem;
    margin: 0.18rem 0 0;
}

.config-defaults-meta code {
    font-size: 1em;
    overflow-wrap: anywhere;
}

.config-defaults-meaning {
    color: var(--pst-color-text-muted);
    font-size: 0.96rem;
    margin: 0.28rem 0 0;
}

.config-defaults-meaning code {
    font-size: 1em;
}

.config-defaults-nested {
    background: transparent;
    border-left: 2px solid var(--pst-color-border, rgba(0, 0, 0, 0.12));
    margin: 0.7rem 0 0 1rem;
    padding-left: 1rem;
}

.config-defaults-item-nested {
    border-top: 0;
    padding: 0.55rem 0 0;
}

.config-defaults-item-nested:last-child {
    border-bottom: 0;
    padding-bottom: 0;
}

@media (max-width: 720px) {
    .config-defaults-nested {
        margin-left: 0.6rem;
        padding-left: 0.75rem;
    }
}