/* ===================================================================
   ORDYNAIRE — Decision Intelligence
   Editorial styling for the Decision Intelligence section.
   Standalone stylesheet: all rules scoped under .di-* class prefix.
   Loaded alongside styles.css; does not conflict with main site.
   Mobile-first, with desktop overrides at 720px and 1024px.
   =================================================================== */

/* ─── DI Variables ──────────────────────────────────────────────────
   Local design tokens for the editorial surface. Brand-blue matches
   the main site (#005B8C) so DI feels like part of ORDYNAIRE; the
   neutral palette tilts warmer/creamer than the rest of the site to
   support sustained reading. */
.di-page {
    --di-bg: #fafaf8;
    --di-bg-elev: #ffffff;
    --di-bg-muted: #f3f2ef;
    --di-line: rgba(0, 0, 0, 0.10);
    --di-line-strong: rgba(0, 0, 0, 0.18);
    --di-line-faint: rgba(0, 0, 0, 0.06);
    --di-accent: #005B8C;
    --di-accent-soft: rgba(0, 91, 140, 0.75);
    --di-accent-line: rgba(0, 91, 140, 0.30);
    --di-accent-bg: rgba(0, 91, 140, 0.04);
    --di-text: #0a0d10;
    --di-text-soft: rgba(10, 13, 16, 0.72);
    --di-text-faint: rgba(10, 13, 16, 0.50);
    --di-text-muted: rgba(10, 13, 16, 0.32);
    --di-display: 'Cormorant Garamond', Georgia, serif;
    --di-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* ─── DI Page Wrapper ──────────────────────────────────────────────
   The page sets cream background and resets typography defaults for
   the editorial experience. Sits below the main site header which
   stays at the top in its own white surface. */
.di-page {
    background: var(--di-bg);
    color: var(--di-text);
    font-family: var(--di-body);
    font-weight: 300;
    line-height: 1.65;
    min-height: 100vh;
}

/* ─── Breadcrumb ───────────────────────────────────────────────────
   Sits at the top of every DI page. Provides hierarchical context
   and a way back. Small, all-caps, low contrast — does not compete
   with content. */
.di-crumb {
    max-width: 1100px;
    margin: 0 auto;
    padding: 18px 20px 0 20px;
    font-family: var(--di-body);
    font-size: 0.66rem;
    font-weight: 500;
    letter-spacing: 0.18rem;
    text-transform: uppercase;
    color: var(--di-text-faint);
}
.di-crumb a {
    color: var(--di-text-faint);
    text-decoration: none;
    transition: color 0.2s;
    cursor: pointer;
}
.di-crumb a:hover { color: var(--di-text); }
.di-crumb .di-sep {
    color: var(--di-text-muted);
    margin: 0 10px;
}
.di-crumb .di-current { color: var(--di-text); }

/* ─── Container ────────────────────────────────────────────────────
   Constrains content width to comfortable reading column. */
.di-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ═══ VIEW 1 — SECTION LANDING ═══════════════════════════════════ */
.di-section-intro {
    padding: 44px 0 36px 0;
    border-bottom: 1px solid var(--di-line);
}
.di-eyebrow {
    font-family: var(--di-body);
    font-size: 0.62rem;
    font-weight: 600;
    letter-spacing: 0.32rem;
    text-transform: uppercase;
    color: var(--di-accent);
    margin-bottom: 18px;
}
.di-section-title {
    font-family: var(--di-display);
    font-size: 2.4rem;
    font-weight: 400;
    line-height: 1.05;
    letter-spacing: -0.01rem;
    color: var(--di-text);
    margin-bottom: 22px;
}
.di-section-deck {
    font-family: var(--di-body);
    font-size: 0.98rem;
    font-weight: 300;
    color: var(--di-text-soft);
    line-height: 1.75;
    max-width: 640px;
}

/* Posture / Definition — editorial stance callout */
.di-definition {
    margin-top: 32px;
    padding-left: 18px;
    border-left: 2px solid var(--di-accent-line);
}
.di-definition-label {
    font-family: var(--di-body);
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.28rem;
    text-transform: uppercase;
    color: var(--di-accent);
    margin-bottom: 8px;
}
.di-definition-text {
    font-family: var(--di-body);
    font-size: 0.86rem;
    font-weight: 300;
    color: var(--di-text-soft);
    line-height: 1.7;
    max-width: 600px;
}

/* Global search on landing */
.di-global-search {
    margin: 36px 0 0 0;
    position: relative;
}
.di-global-search input {
    width: 100%;
    background: var(--di-bg-elev);
    border: 1px solid var(--di-line-strong);
    color: var(--di-text);
    font-family: var(--di-body);
    font-size: 0.92rem;
    font-weight: 300;
    padding: 14px 18px 14px 44px;
    border-radius: 2px;
    outline: none;
    transition: border-color 0.2s;
}
.di-global-search input:focus {
    border-color: var(--di-accent);
}
.di-global-search input::placeholder {
    color: var(--di-text-muted);
    font-weight: 300;
}
.di-global-search::before {
    content: '';
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='rgba(10,13,16,0.32)' stroke-width='1.5'><circle cx='11' cy='11' r='7'/><path d='m21 21-4.35-4.35'/></svg>");
    background-repeat: no-repeat;
    background-size: contain;
}

/* Categories list header */
.di-types-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin: 44px 0 18px 0;
}
.di-types-header h2 {
    font-family: var(--di-body);
    font-size: 0.66rem;
    font-weight: 600;
    letter-spacing: 0.28rem;
    text-transform: uppercase;
    color: var(--di-text-soft);
}
.di-types-header .di-count {
    font-family: var(--di-body);
    font-size: 0.68rem;
    color: var(--di-text-faint);
    font-variant-numeric: tabular-nums;
}

/* Categories list — clean rows separated by hairlines */
.di-types {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    border-top: 1px solid var(--di-line);
    margin-bottom: 60px;
}
.di-type {
    display: block;
    text-decoration: none;
    color: inherit;
    padding: 24px 4px;
    border-bottom: 1px solid var(--di-line);
    cursor: pointer;
    transition: padding-left 0.25s ease, background 0.25s ease;
}
.di-type:hover {
    padding-left: 14px;
    background: linear-gradient(90deg, var(--di-accent-bg) 0%, transparent 60%);
}
.di-type-row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 14px;
    flex-wrap: wrap;
}
.di-type-name {
    font-family: var(--di-display);
    font-size: 1.55rem;
    font-weight: 400;
    color: var(--di-text);
    letter-spacing: -0.005rem;
}
.di-type-meta {
    font-family: var(--di-body);
    font-size: 0.68rem;
    color: var(--di-text-muted);
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.05rem;
    flex-shrink: 0;
}
.di-type-status {
    display: inline-block;
    margin-left: 10px;
    padding: 2px 8px;
    font-family: var(--di-body);
    font-size: 0.58rem;
    font-weight: 600;
    letter-spacing: 0.15rem;
    text-transform: uppercase;
    color: var(--di-text-faint);
    border: 1px solid var(--di-line-strong);
    border-radius: 2px;
}
.di-type-status.di-active {
    color: var(--di-accent);
    border-color: var(--di-accent-line);
    background: var(--di-accent-bg);
}
.di-type-desc {
    font-family: var(--di-body);
    font-size: 0.86rem;
    font-weight: 300;
    color: var(--di-text-soft);
    line-height: 1.65;
    margin-top: 8px;
    max-width: 720px;
}

/* ═══ VIEW 2 — CATEGORY (TYPE) PAGE ══════════════════════════════ */
.di-type-header {
    padding: 44px 0 28px 0;
    border-bottom: 1px solid var(--di-line);
}
.di-type-header h1 {
    font-family: var(--di-display);
    font-size: 2.2rem;
    font-weight: 400;
    line-height: 1.05;
    letter-spacing: -0.01rem;
    color: var(--di-text);
    margin-bottom: 18px;
}
.di-type-header p {
    font-family: var(--di-body);
    font-size: 0.96rem;
    font-weight: 300;
    color: var(--di-text-soft);
    line-height: 1.75;
    max-width: 680px;
}

/* Search bar with filter chips — sticky below the type header */
.di-search-bar {
    position: sticky;
    top: 73px;
    z-index: 40;
    background: var(--di-bg);
    padding: 16px 0;
    border-bottom: 1px solid var(--di-line-faint);
    margin-bottom: 28px;
}
.di-search-input {
    position: relative;
    margin-bottom: 14px;
}
.di-search-input input {
    width: 100%;
    background: var(--di-bg-elev);
    border: 1px solid var(--di-line);
    color: var(--di-text);
    font-family: var(--di-body);
    font-size: 0.86rem;
    font-weight: 300;
    padding: 10px 14px 10px 38px;
    border-radius: 2px;
    outline: none;
    transition: border-color 0.2s;
}
.di-search-input input:focus { border-color: var(--di-accent); }
.di-search-input::before {
    content: '';
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 14px;
    height: 14px;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='rgba(10,13,16,0.32)' stroke-width='1.5'><circle cx='11' cy='11' r='7'/><path d='m21 21-4.35-4.35'/></svg>");
    background-repeat: no-repeat;
    background-size: contain;
}
.di-filter-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.di-chip {
    background: transparent;
    border: 1px solid var(--di-line-strong);
    color: var(--di-text-soft);
    font-family: var(--di-body);
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.06rem;
    padding: 5px 11px;
    border-radius: 999px;
    cursor: pointer;
    transition: all 0.2s;
}
.di-chip:hover { border-color: var(--di-accent-line); color: var(--di-accent); }
.di-chip.di-active {
    background: var(--di-accent);
    color: #fff;
    border-color: var(--di-accent);
}

/* Results meta */
.di-results-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    font-family: var(--di-body);
    font-size: 0.7rem;
    color: var(--di-text-faint);
    font-weight: 500;
    letter-spacing: 0.05rem;
}
.di-results-meta .di-clear {
    background: none;
    border: none;
    color: var(--di-accent);
    font-family: var(--di-body);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.08rem;
    text-transform: uppercase;
    cursor: pointer;
    padding: 0;
}

/* Subsection groupings within a category */
.di-subsection {
    margin-bottom: 36px;
}
.di-subsection-label {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--di-line-strong);
    margin-bottom: 4px;
    font-family: var(--di-body);
    font-size: 0.62rem;
    font-weight: 600;
    letter-spacing: 0.32rem;
    text-transform: uppercase;
    color: var(--di-accent);
}
.di-subsection-label .di-ssm-count {
    font-family: var(--di-body);
    font-size: 0.62rem;
    color: var(--di-text-muted);
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.05rem;
}
.di-entries {
    list-style: none;
    margin: 0;
    padding: 0;
}

/* Entry card on the category page */
.di-entry-card {
    display: block;
    text-decoration: none;
    color: inherit;
    padding: 22px 4px;
    border-bottom: 1px solid var(--di-line-faint);
    cursor: pointer;
    transition: padding-left 0.25s ease, background 0.25s ease;
}
.di-entry-card:hover {
    padding-left: 12px;
    background: linear-gradient(90deg, var(--di-accent-bg) 0%, transparent 70%);
}
.di-entry-card h3 {
    font-family: var(--di-display);
    font-size: 1.15rem;
    font-weight: 500;
    color: var(--di-text);
    line-height: 1.3;
    margin-bottom: 8px;
}
.di-entry-card .di-summary {
    font-family: var(--di-body);
    font-size: 0.84rem;
    font-weight: 300;
    color: var(--di-text-soft);
    line-height: 1.65;
    margin-bottom: 12px;
}
.di-meta-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    font-family: var(--di-body);
    font-size: 0.66rem;
    color: var(--di-text-faint);
}
.di-meta-row .di-source {
    font-style: italic;
    color: var(--di-text-faint);
}
.di-meta-row .di-tags {
    display: flex;
    gap: 4px;
}
.di-meta-row .di-tag {
    background: var(--di-bg-muted);
    padding: 2px 8px;
    border-radius: 2px;
    font-size: 0.58rem;
    font-weight: 500;
    letter-spacing: 0.08rem;
    color: var(--di-text-soft);
    text-transform: uppercase;
}
.di-meta-row .di-depth {
    color: var(--di-text-muted);
    font-variant-numeric: tabular-nums;
    margin-left: auto;
}

/* ═══ VIEW 3 — INDIVIDUAL ENTRY ═══════════════════════════════════ */
.di-entry {
    max-width: 680px;
    margin: 0 auto;
    padding: 36px 0 60px 0;
}
.di-entry-eyebrow {
    font-family: var(--di-body);
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.28rem;
    text-transform: uppercase;
    color: var(--di-accent);
    margin-bottom: 16px;
}
.di-entry-eyebrow .di-sep {
    color: var(--di-text-muted);
    margin: 0 8px;
}
.di-entry h1 {
    font-family: var(--di-display);
    font-size: 2rem;
    font-weight: 400;
    color: var(--di-text);
    line-height: 1.15;
    letter-spacing: -0.01rem;
    margin-bottom: 26px;
}

/* Summary block — quick-read paragraph at top of entry */
.di-entry-summary {
    background: var(--di-bg-muted);
    padding: 22px 24px;
    border-left: 3px solid var(--di-accent);
    margin-bottom: 32px;
}
.di-entry-summary-label {
    font-family: var(--di-body);
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.32rem;
    text-transform: uppercase;
    color: var(--di-accent);
    margin-bottom: 10px;
}
.di-entry-summary p {
    font-family: var(--di-body);
    font-size: 0.94rem;
    color: var(--di-text);
    line-height: 1.7;
    font-weight: 400;
}

/* Reading depth indicator */
.di-read-depth {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 28px;
    padding: 10px 0;
    border-top: 1px solid var(--di-line-faint);
    border-bottom: 1px solid var(--di-line-faint);
    font-family: var(--di-body);
    font-size: 0.7rem;
    color: var(--di-text-faint);
}
.di-read-depth strong {
    color: var(--di-text-soft);
    font-weight: 500;
    letter-spacing: 0.05rem;
}

/* Entry content blocks */
.di-entry-block {
    margin-top: 32px;
}
.di-entry-block-label {
    font-family: var(--di-body);
    font-size: 0.62rem;
    font-weight: 600;
    letter-spacing: 0.32rem;
    text-transform: uppercase;
    color: var(--di-accent);
    padding-bottom: 10px;
    border-bottom: 1px solid var(--di-line-strong);
}
.di-entry-block-content { margin-top: 14px; }
.di-entry-block p {
    font-family: var(--di-body);
    font-size: 0.96rem;
    color: var(--di-text);
    line-height: 1.78;
    margin-bottom: 16px;
    font-weight: 300;
}
.di-entry-block p:last-child { margin-bottom: 0; }

/* Source block — italic, smaller */
.di-entry-block.di-source p {
    font-size: 0.85rem;
    font-style: italic;
    color: var(--di-text-soft);
}
.di-entry-block.di-source em { font-style: italic; }

/* Lists inside entry blocks — em-dash bullets in brand-blue */
.di-entry-block ul {
    list-style: none;
    margin-top: 8px;
    padding: 0;
}
.di-entry-block li {
    font-family: var(--di-body);
    font-size: 0.92rem;
    color: var(--di-text);
    line-height: 1.7;
    padding: 10px 0 10px 20px;
    position: relative;
    border-bottom: 1px solid var(--di-line-faint);
    font-weight: 300;
}
.di-entry-block li:last-child { border-bottom: none; }
.di-entry-block li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--di-accent);
}

/* Collapsible blocks (Mechanism, Scope) */
.di-entry-block.di-collapsible .di-entry-block-label {
    cursor: pointer;
    user-select: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.di-entry-block.di-collapsible .di-entry-block-label::after {
    content: '+';
    font-family: var(--di-body);
    font-size: 1rem;
    color: var(--di-accent);
    font-weight: 300;
    transition: transform 0.3s;
}
.di-entry-block.di-collapsible.di-open .di-entry-block-label::after {
    content: '−';
}
.di-entry-block.di-collapsible .di-entry-block-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, margin-top 0.3s ease;
}
.di-entry-block.di-collapsible.di-open .di-entry-block-content {
    max-height: 5000px;
    margin-top: 14px;
}

/* Related entries at bottom of entry */
.di-related {
    margin-top: 50px;
    padding-top: 28px;
    border-top: 1px solid var(--di-line);
}
.di-related-label {
    font-family: var(--di-body);
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.32rem;
    text-transform: uppercase;
    color: var(--di-accent);
    margin-bottom: 16px;
}
.di-related-list {
    list-style: none;
    margin: 0;
    padding: 0;
}
.di-related-item {
    padding: 12px 0;
    border-bottom: 1px solid var(--di-line-faint);
    cursor: pointer;
    transition: padding-left 0.2s;
}
.di-related-item:hover { padding-left: 8px; }
.di-related-item:last-child { border-bottom: none; }
.di-related-item h4 {
    font-family: var(--di-display);
    font-size: 1rem;
    font-weight: 500;
    color: var(--di-text);
    line-height: 1.3;
    margin-bottom: 4px;
}
.di-related-item .di-source {
    font-family: var(--di-body);
    font-size: 0.7rem;
    color: var(--di-text-faint);
    font-style: italic;
}

/* Entry footer — back link + breadcrumb anchor */
.di-entry-footer {
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--di-line);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}
.di-entry-footer .di-meta {
    font-family: var(--di-body);
    font-size: 0.66rem;
    color: var(--di-text-faint);
    letter-spacing: 0.12rem;
    text-transform: uppercase;
    font-weight: 500;
}
.di-entry-footer a {
    color: var(--di-accent);
    text-decoration: none;
    font-family: var(--di-body);
    font-size: 0.74rem;
    letter-spacing: 0.1rem;
    text-transform: uppercase;
    font-weight: 500;
    border-bottom: 1px solid var(--di-accent-line);
    padding-bottom: 2px;
    transition: color 0.2s, border-color 0.2s;
    cursor: pointer;
}
.di-entry-footer a:hover {
    color: var(--di-text);
    border-color: var(--di-text);
}

/* ─── DI View Switching ────────────────────────────────────────────
   The three DI views stack inside the page, only one shown at a time.
   The JS routing toggles .di-active on the right one. */
.di-view { display: none; }
.di-view.di-active { display: block; }

/* ─── Empty state for categories with no entries yet ───────────── */
.di-empty {
    padding: 32px 4px;
    font-family: var(--di-body);
    font-size: 0.86rem;
    font-weight: 300;
    color: var(--di-text-soft);
    line-height: 1.65;
    border-bottom: 1px solid var(--di-line-faint);
    font-style: italic;
}

/* ─── Responsive ───────────────────────────────────────────────────
   Two breakpoints: 720px (tablet) and 1024px (desktop). Mirrors the
   demo's responsive scale. */
@media (min-width: 720px) {
    .di-crumb { padding: 22px 32px 0 32px; }
    .di-container { padding: 0 32px; }
    .di-section-title { font-size: 3.4rem; }
    .di-section-deck { font-size: 1.04rem; }
    .di-type-name { font-size: 1.85rem; }
    .di-type { padding: 30px 4px; }
    .di-type-header h1 { font-size: 2.6rem; }
    .di-entry h1 { font-size: 2.4rem; }
    .di-entry-block p { font-size: 1rem; }
    .di-search-bar {
        margin-left: -32px;
        margin-right: -32px;
        padding-left: 32px;
        padding-right: 32px;
    }
}

@media (min-width: 1024px) {
    .di-section-title { font-size: 4rem; }
    .di-section-intro { padding: 60px 0 50px 0; }
}