/*
  =============================================================================
  ULTRAMEGA A/S - Shared whitepaper stylesheet
  Used by the S1 Foundry whitepapers and technical guides.
  Depends on the design tokens defined in main.css.
  =============================================================================
*/

/* Whitepaper layout */
.wp-container {
    max-width: 860px;
    margin: 0 auto;
    padding: 3rem 1.5rem 4rem;
}

.wp-header {
    border-bottom: 2px solid var(--color-gray-200);
    padding-bottom: 2rem;
    margin-bottom: 3rem;
}

.wp-breadcrumb {
    font-size: 0.85rem;
    color: var(--color-gray-500);
    margin-bottom: 1.5rem;
}

.wp-breadcrumb a {
    color: var(--color-gray-500);
    text-decoration: none;
}

.wp-breadcrumb a:hover {
    color: var(--color-gray-800);
}

.wp-title {
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--color-gray-900);
    line-height: 1.2;
    margin: 0 0 0.75rem;
}

.wp-subtitle {
    font-size: 1.15rem;
    color: var(--color-gray-600);
    line-height: 1.6;
    margin: 0 0 1.25rem;
}

.wp-meta {
    display: flex;
    gap: 2rem;
    font-size: 0.85rem;
    color: var(--color-gray-500);
}

.wp-meta span {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

/* Section styling */
.wp-section {
    margin-bottom: 3rem;
}

.wp-section h2 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin: 0 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--color-gray-200);
}

.wp-section h3 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--color-gray-800);
    margin: 1.5rem 0 0.75rem;
}

.wp-section h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-gray-800);
    margin: 1.25rem 0 0.5rem;
}

.wp-section p {
    font-size: 1rem;
    color: var(--color-gray-700);
    line-height: 1.75;
    margin: 0 0 1rem;
}

.wp-section ul, .wp-section ol {
    margin: 0 0 1rem 1.25rem;
    color: var(--color-gray-700);
    line-height: 1.75;
}

.wp-section li {
    margin-bottom: 0.35rem;
}

/* Feature cards */
.wp-feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1rem;
    margin: 1.25rem 0;
}

.wp-feature-card {
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    padding: 1.25rem;
}

.wp-feature-card h3,
.wp-feature-card h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-gray-800);
    margin: 0 0 0.5rem;
}

.wp-feature-card p {
    font-size: 0.9rem;
    color: var(--color-gray-600);
    line-height: 1.6;
    margin: 0;
}

/* Vendor grid */
.wp-vendor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 0.75rem;
    margin: 1rem 0;
}

.wp-vendor-item {
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
}

.wp-vendor-item strong {
    color: var(--color-gray-800);
    font-size: 0.9rem;
}

.wp-vendor-item span {
    display: block;
    color: var(--color-gray-500);
    font-size: 0.85rem;
    margin-top: 0.2rem;
}

/* Tables */
.wp-table-wrapper {
    overflow-x: auto;
    margin: 1rem 0;
}

.wp-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.wp-table th {
    text-align: left;
    padding: 0.6rem 0.75rem;
    background: var(--color-gray-100);
    color: var(--color-gray-800);
    font-weight: 600;
    border-bottom: 2px solid var(--color-gray-300);
}

.wp-table td {
    padding: 0.5rem 0.75rem;
    color: var(--color-gray-700);
    border-bottom: 1px solid var(--color-gray-200);
}

.wp-table tbody tr:hover {
    background: var(--color-gray-50);
}

.wp-palette-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-gray-600);
    background: var(--color-gray-100);
    border: 1px solid var(--color-gray-300);
    border-radius: 999px;
    padding: 0.15rem 0.6rem;
}

/* Diagram */
.wp-diagram {
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    margin: 1.25rem 0;
    font-family: monospace;
    font-size: 0.85rem;
    line-height: 1.5;
    overflow-x: auto;
    white-space: pre;
    color: var(--color-gray-700);
}

/* Code sample */
.wp-code {
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    margin: 1.25rem 0;
    font-family: monospace;
    font-size: 0.85rem;
    line-height: 1.5;
    overflow-x: auto;
    white-space: pre;
    color: var(--color-gray-700);
}

.wp-code code {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    background: none;
    padding: 0;
}

/* Call-to-action */
.wp-cta {
    background: var(--color-gray-900);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    text-align: center;
    margin-top: 3rem;
}

.wp-cta h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    margin: 0 0 0.75rem;
    border: none;
    padding: 0;
}

.wp-cta p {
    color: var(--color-gray-400);
    font-size: 1rem;
    margin: 0 0 1.5rem;
    line-height: 1.6;
}

.wp-cta-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.wp-cta-actions a {
    display: inline-block;
    padding: 0.65rem 1.5rem;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.2s;
}

.wp-cta-btn-primary {
    background: var(--color-white);
    color: var(--color-gray-900);
}

.wp-cta-btn-primary:hover {
    background: var(--color-gray-200);
}

.wp-cta-btn-secondary {
    background: transparent;
    color: var(--color-gray-300);
    border: 1px solid var(--color-gray-600);
}

.wp-cta-btn-secondary:hover {
    border-color: var(--color-gray-400);
    color: var(--color-white);
}

/* Note callout */
.wp-note {
    background: #f0f4ff;
    border-left: 3px solid var(--color-accent);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    padding: 1rem 1.25rem;
    margin: 1rem 0;
    font-size: 0.9rem;
    color: var(--color-gray-700);
    line-height: 1.6;
}

.wp-note strong {
    color: var(--color-gray-800);
}

/* Warning callout */
.wp-warning {
    background: #fef3c7;
    border-left: 3px solid #d97706;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    padding: 1rem 1.25rem;
    margin: 1rem 0;
    font-size: 0.9rem;
    color: var(--color-gray-700);
    line-height: 1.6;
}

.wp-warning strong {
    color: var(--color-gray-800);
}

/* Responsive */
@media (max-width: 640px) {
    .wp-title { font-size: 1.8rem; }
    .wp-meta { flex-direction: column; gap: 0.5rem; }
    .wp-feature-grid { grid-template-columns: 1fr; }
    .wp-vendor-grid { grid-template-columns: 1fr; }
    .wp-cta { padding: 1.5rem; }
}