/* ═══════════════════════════════════════════════════════════
   article.css — MilePilot article pages
   Drop into css/article.css on S3 alongside styles.css
   Inherits all variables and base styles from styles.css
═══════════════════════════════════════════════════════════ */

/* ── Layout ─────────────────────────────────────────────── */

.article-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 3rem;
  align-items: start;
  padding-top: 2rem;
  padding-bottom: 4rem;
}

@media (max-width: 900px) {
  .article-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* ── Breadcrumb ──────────────────────────────────────────── */

.breadcrumb {
  margin-bottom: 1.5rem;
}

.breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  padding: 0;
  margin: 0;
  font-size: 0.8rem;
}

.breadcrumb li {
  display: flex;
  align-items: center;
  color: var(--color-text-tertiary, #9a9a94);
}

.breadcrumb li + li::before {
  content: "/";
  margin: 0 0.4rem;
  opacity: 0.4;
}

.breadcrumb a {
  color: var(--color-text-tertiary, #9a9a94);
  text-decoration: none;
  transition: color 0.15s;
}

.breadcrumb a:hover {
  color: var(--color-text-primary, #1a1a18);
}

.breadcrumb li[aria-current="page"] {
  color: var(--color-text-secondary, #5a5a56);
}

/* ── Article header ──────────────────────────────────────── */

.article-header {
  margin-bottom: 2rem;
}

.article-meta-top {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.875rem;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.article-category {
  color: var(--color-accent, #C9A84C);
  font-weight: 600;
}

.article-read-time {
  color: var(--color-text-tertiary, #9a9a94);
}

.article-header h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  color: var(--color-text-primary, #1a1a18);
}

.article-standfirst {
  font-size: 1.1rem;
  line-height: 1.65;
  color: var(--color-text-secondary, #5a5a56);
  margin-bottom: 1.25rem;
  max-width: 62ch;
}

.article-byline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--color-text-tertiary, #9a9a94);
  padding-top: 1rem;
  border-top: 1px solid var(--color-border, rgba(0,0,0,0.08));
}

.article-byline strong {
  color: var(--color-text-secondary, #5a5a56);
}

.article-verified {
  color: var(--color-text-tertiary, #9a9a94);
}

/* ── Article body typography ─────────────────────────────── */

.article-col h2 {
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin: 2.5rem 0 0.875rem;
  color: var(--color-text-primary, #1a1a18);
  line-height: 1.3;
}

.article-col h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 1.75rem 0 0.625rem;
  color: var(--color-text-primary, #1a1a18);
}

.article-col p {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-text-primary, #1a1a18);
  margin-bottom: 1.1rem;
  max-width: 68ch;
}

.article-col ul,
.article-col ol {
  margin: 0 0 1.25rem 1.25rem;
  max-width: 68ch;
}

.article-col li {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text-primary, #1a1a18);
  margin-bottom: 0.3rem;
}

.article-col strong {
  font-weight: 600;
}

/* ── Callout boxes ───────────────────────────────────────── */

.callout {
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin: 1.75rem 0;
  font-size: 0.95rem;
  line-height: 1.65;
  max-width: 68ch;
}

.callout-key {
  background: rgba(201, 168, 76, 0.08);
  border-left: 3px solid var(--color-accent, #C9A84C);
  color: var(--color-text-primary, #1a1a18);
}

.callout-info {
  background: var(--color-bg-secondary, rgba(0,0,0,0.03));
  border-left: 3px solid var(--color-border-strong, rgba(0,0,0,0.2));
  color: var(--color-text-secondary, #5a5a56);
}

/* ── Data tables ─────────────────────────────────────────── */

.table-wrap {
  overflow-x: auto;
  margin: 1.75rem 0;
  border-radius: 8px;
  border: 1px solid var(--color-border, rgba(0,0,0,0.08));
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  min-width: 400px;
}

.data-table th {
  text-align: left;
  padding: 0.625rem 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-tertiary, #9a9a94);
  background: var(--color-bg-secondary, rgba(0,0,0,0.02));
  border-bottom: 1px solid var(--color-border, rgba(0,0,0,0.08));
}

.data-table td {
  padding: 0.625rem 1rem;
  border-bottom: 1px solid var(--color-border, rgba(0,0,0,0.06));
  color: var(--color-text-primary, #1a1a18);
  line-height: 1.5;
}

.data-table tr:last-child td {
  border-bottom: none;
}

.data-table tr:hover td {
  background: var(--color-bg-secondary, rgba(0,0,0,0.02));
}

/* ── Calculator CTA block ────────────────────────────────── */

.calculator-cta-block {
  background: var(--color-bg-secondary, rgba(0,0,0,0.03));
  border: 1px solid var(--color-border, rgba(0,0,0,0.08));
  border-radius: 12px;
  padding: 1.75rem;
  margin: 2.5rem 0;
  max-width: 68ch;
}

.calculator-cta-block .cta-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent, #C9A84C);
  margin-bottom: 0.4rem;
}

.calculator-cta-block h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
  color: var(--color-text-primary, #1a1a18);
}

.calculator-cta-block p {
  font-size: 0.9rem;
  color: var(--color-text-secondary, #5a5a56);
  margin-bottom: 1.1rem;
  max-width: none;
}

/* ── Article footer ──────────────────────────────────────── */

.article-footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border, rgba(0,0,0,0.08));
}

.article-disclaimer {
  font-size: 0.8rem;
  color: var(--color-text-tertiary, #9a9a94);
  line-height: 1.6;
  max-width: 68ch;
  margin-bottom: 0.5rem;
}

.article-updated {
  font-size: 0.78rem;
  color: var(--color-text-tertiary, #9a9a94);
  display: block;
}

/* ── Ad slot in article ──────────────────────────────────── */

.ad-article-top {
  margin: 1.5rem 0 2rem;
}

/* ── Sidebar ─────────────────────────────────────────────── */

.article-sidebar {
  position: sticky;
  top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

@media (max-width: 900px) {
  .article-sidebar {
    position: static;
  }
}

.sidebar-widget {
  background: var(--color-bg-secondary, rgba(0,0,0,0.02));
  border: 1px solid var(--color-border, rgba(0,0,0,0.08));
  border-radius: 10px;
  padding: 1.1rem 1.25rem;
}

.sidebar-widget h4 {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--color-text-tertiary, #9a9a94);
  margin-bottom: 0.75rem;
}

.related-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.related-list a {
  font-size: 0.875rem;
  color: var(--color-text-secondary, #5a5a56);
  text-decoration: none;
  line-height: 1.4;
  transition: color 0.15s;
}

.related-list a:hover {
  color: var(--color-text-primary, #1a1a18);
}

.sidebar-calculator-nudge p {
  font-size: 0.85rem;
  color: var(--color-text-secondary, #5a5a56);
  margin-bottom: 0.75rem;
  line-height: 1.5;
}

.cta-button-sm {
  font-size: 0.85rem;
  padding: 0.5rem 1rem;
}

/* ── Dark mode adjustments ───────────────────────────────── */

@media (prefers-color-scheme: dark) {
  .callout-key {
    background: rgba(201, 168, 76, 0.1);
  }
  .callout-info {
    background: rgba(255,255,255,0.04);
    border-left-color: rgba(255,255,255,0.15);
  }
  .table-wrap {
    border-color: rgba(255,255,255,0.08);
  }
  .data-table th {
    background: rgba(255,255,255,0.04);
    border-bottom-color: rgba(255,255,255,0.08);
  }
  .data-table td {
    border-bottom-color: rgba(255,255,255,0.05);
  }
  .data-table tr:hover td {
    background: rgba(255,255,255,0.03);
  }
  .calculator-cta-block,
  .sidebar-widget {
    background: rgba(255,255,255,0.04);
    border-color: rgba(255,255,255,0.08);
  }
}