/* ======================================================================
   Clunky Design System (CDS)
   Component: Flagship Content
   File: /assets/css/components/content.css
   Sprint: 1 — Flagship layer

   Purpose:
   Explicit reusable styling for article-content components used by
   Clunky flagship pages. This file prevents page-specific markup from
   depending on browser defaults or accidental inheritance.
====================================================================== */

.content-section {
  padding-block: var(--space-10);
  scroll-margin-top: calc(var(--header-height) + var(--space-6));
}

.content-section + .content-section {
  border-top: 1px solid var(--color-border-light);
}

.section-kicker {
  margin-bottom: var(--space-3);
  color: var(--color-primary);
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  letter-spacing: .06em;
  line-height: var(--lh-tight);
  text-transform: uppercase;
}

.section-heading {
  max-width: 70ch;
  margin-bottom: var(--space-7);
}

.section-heading .section-eyebrow {
  display: block;
  margin-bottom: var(--space-3);
  color: var(--color-primary);
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  letter-spacing: .06em;
  line-height: var(--lh-tight);
  text-transform: uppercase;
}

.section-heading h2,
.section-heading h3 {
  margin: 0;
  color: var(--color-heading);
}

.section-heading .section-intro {
  max-width: 65ch;
  margin: var(--space-4) 0 0;
  color: var(--color-text-light);
  font-size: var(--fs-lg);
  line-height: var(--lh-loose);
}

.pull-quote {
  margin: var(--space-9) 0;
  padding: var(--space-7) var(--space-8);
  border-inline-start: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  background: var(--color-surface-subtle);
  color: var(--color-heading);
  font-size: var(--fs-xl);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-heading);
}

.pull-quote p:last-child {
  margin-bottom: 0;
}

.callout {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-4);
  margin-block: var(--space-8);
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.callout-icon {
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-pill);
  background: var(--color-surface-subtle);
  color: var(--color-primary);
  font-weight: var(--fw-bold);
}

.callout--insight {
  border-color: var(--color-info);
  background: color-mix(in srgb, var(--color-info) 5%, var(--color-surface));
}

.callout--question {
  border-color: var(--color-primary-light);
  background: color-mix(in srgb, var(--color-primary) 5%, var(--color-surface));
}

.callout--warning {
  border-color: var(--color-warning);
  background: var(--color-warning-bg);
}

.callout p:last-child {
  margin-bottom: 0;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-5);
  margin-block: var(--space-7);
}

.stat-card {
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.stat-card-value {
  display: block;
  margin-bottom: var(--space-2);
  color: var(--color-heading);
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  font-variant-numeric: tabular-nums;
}

.stat-card-label {
  display: block;
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  line-height: var(--lh-body);
}

.small-note {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  line-height: var(--lh-loose);
}

.info-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.info-card:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.info-card-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  margin-bottom: var(--space-4);
  border-radius: var(--radius-pill);
  background: var(--color-surface-subtle);
  color: var(--color-primary);
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  font-variant-numeric: tabular-nums;
}

.info-card h3 {
  margin: 0 0 var(--space-3);
  color: var(--color-heading);
}

.info-card p:last-child {
  margin-bottom: 0;
}

.card-example {
  margin-top: auto;
  padding-top: var(--space-4);
  color: var(--color-text-light);
  font-size: var(--fs-sm);
}

.framework-figure {
  margin: var(--space-8) 0;
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  box-shadow: var(--shadow-md);
}

.framework-caption {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-5) var(--space-6) var(--space-6);
  color: var(--color-text-light);
  line-height: var(--lh-loose);
}

.framework-caption strong {
  color: var(--color-heading);
}

.framework-table-wrapper {
  margin-block: var(--space-7);
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.comparison-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  background: var(--color-surface);
}

.comparison-table th,
.comparison-table td {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border-light);
  text-align: left;
  vertical-align: top;
}

.comparison-table thead th {
  background: var(--color-surface-subtle);
  color: var(--color-heading);
  font-weight: var(--fw-bold);
}

.comparison-table tbody th {
  color: var(--color-heading);
  font-weight: var(--fw-semibold);
}

.comparison-table tbody tr:last-child th,
.comparison-table tbody tr:last-child td {
  border-bottom: 0;
}

.checklist-card {
  display: grid;
  gap: 0;
  margin-block: var(--space-7);
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  box-shadow: var(--shadow-md);
}

.checklist-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-4);
  align-items: start;
  padding: var(--space-5);
  border-radius: var(--radius-md);
  cursor: pointer;
}

.checklist-item:hover {
  background: var(--color-surface-subtle);
}

.checklist-item input[type="checkbox"] {
  width: 1.25rem;
  height: 1.25rem;
  margin: .15rem 0 0;
  accent-color: var(--color-primary);
}

.checklist-item input[type="checkbox"]:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
}

.resource-card-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-4);
}

.resource-card-content .btn {
  margin-top: var(--space-2);
}

.resource-list {
  display: grid;
  gap: var(--space-2);
  margin: 0;
  padding-left: 1.25rem;
}

.article-end {
  margin-block: var(--space-12);
  padding: var(--space-9);
  border-radius: var(--radius-xl);
  background: var(--color-secondary);
  color: var(--color-text-inverse);
}

.article-end-inner {
  max-width: 65ch;
}

.article-end h2 {
  margin-top: var(--space-3);
  color: var(--color-text-inverse);
}

.article-end p {
  color: color-mix(in srgb, var(--color-text-inverse) 82%, transparent);
}

.article-end-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.insight-banner {
  margin-block: var(--space-10);
  padding: var(--space-7);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-surface-subtle);
}

.insight-banner h2 {
  margin-top: 0;
  color: var(--color-heading);
}

.insight-banner p {
  color: var(--color-text);
}

.insight-banner .btn-primary {
  color: var(--color-primary-contrast, #ffffff);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  padding-block: var(--space-4);
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
}

.breadcrumb a {
  color: var(--color-text-light);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

@media (max-width: 768px) {
  .content-section {
    padding-block: var(--space-8);
  }

  .section-heading .section-intro {
    font-size: var(--fs-base);
  }

  .stat-grid {
    grid-template-columns: 1fr;
  }

  .framework-figure {
    padding: var(--space-2);
  }

  .framework-caption {
    padding-inline: var(--space-4);
  }

  .article-end {
    padding: var(--space-7);
  }
}

@media (prefers-reduced-motion: reduce) {
  .info-card,
  .checklist-item {
    transition: none;
  }
}

@media (prefers-color-scheme: dark) {
  .info-card,
  .stat-card,
  .framework-figure,
  .checklist-card,
  .framework-table-wrapper,
  .comparison-table {
    border-color: var(--color-border-dark);
    background: var(--color-surface-dark);
  }

  .comparison-table thead th,
  .pull-quote,
  .insight-banner,
  .checklist-item:hover {
    background: var(--color-surface-subtle-dark);
  }
}

/* Five-column diagnostic card variant. The auto-fit minimum keeps it
   readable on narrower desktop widths and collapses naturally on mobile. */
.card-grid--five {
  /* Five cards are content-rich, so do not force five very narrow columns.
     The intended desktop composition is 3 + 2, which preserves readable
     line lengths while keeping all five cards visually grouped. */
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
}

.card-grid--five .info-card {
  min-width: 0;
  padding: var(--space-6);
  overflow: hidden;
}

.card-grid--five .info-card h3 {
  margin: 0 0 var(--space-3);
  font-size: clamp(1.15rem, 1.8vw, 1.45rem);
  line-height: var(--lh-heading);
  letter-spacing: -0.015em;
  overflow-wrap: break-word;
  word-break: normal;
  text-wrap: balance;
}

.card-grid--five .info-card p {
  max-width: none;
  margin-bottom: var(--space-4);
  font-size: var(--fs-base);
  line-height: var(--lh-body);
}

.card-grid--five .info-card .card-example {
  margin-top: auto;
  padding: var(--space-4);
  font-size: var(--fs-sm);
  line-height: var(--lh-body);
}

@media (max-width: 900px) {
  .card-grid--five {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .card-grid--five {
    grid-template-columns: 1fr;
  }

  .card-grid--five .info-card {
    padding: var(--space-5);
  }
}

/* Measurement Stack table: keep the short Layer labels aligned and readable. */
.measurement-stack-table .comparison-table {
  table-layout: fixed;
  min-width: 760px;
}

.measurement-stack-table .measurement-stack-layer { width: 15%; }
.measurement-stack-table .measurement-stack-question { width: 25%; }
.measurement-stack-table .measurement-stack-examples { width: 34%; }
.measurement-stack-table .measurement-stack-warning { width: 26%; }

.measurement-stack-table .comparison-table th:first-child,
.measurement-stack-table .comparison-table td:first-child {
  vertical-align: top;
  text-align: left;
  white-space: normal;
}

.measurement-stack-table .comparison-table td:first-child strong {
  display: block;
  line-height: 1.35;
  margin: 0;
}

@media (max-width: 760px) {
  .measurement-stack-table .comparison-table {
    table-layout: auto;
    min-width: 760px;
  }
}