/* ==========================================================================
   blog-v4.css — Calm premium article design for Auto Repair Sparks blog.
   Scoped under .v4 so nothing else on the site is affected.
   Uses design tokens from css/style.css (:root variables).
   New file created Oct 2026 for the v4 blog redesign (admin review required).
   ========================================================================== */

.v4 {
  --v4-max: 1180px;
  --v4-article: 760px;
  --v4-side: 300px;
}

.v4-grid {
  display: grid;
  grid-template-columns: minmax(0, var(--v4-article)) var(--v4-side);
  gap: 56px;
  max-width: var(--v4-max);
  margin: 0 auto;
  padding: 8px 24px 64px;
  justify-content: center;
  align-items: start;
}

@media (max-width: 1000px) {
  .v4-grid { grid-template-columns: minmax(0, var(--v4-article)); }
}

.v4-article { min-width: 0; font-size: 1.0625rem; line-height: 1.8; }

.v4-article > section { margin: 0 0 52px; }
.v4-article > section:last-child { margin-bottom: 0; }

/* ---------- TL;DR answer card ---------- */
.v4-tldr {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 30px 32px;
}
.v4-kicker {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 12px;
}
.v4-tldr h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 2.6vw, 1.9rem);
  letter-spacing: -0.01em;
  margin: 0 0 12px;
}
.v4-tldr p { margin: 0 0 14px; color: var(--color-text); }
.v4-tldr p:last-child { margin-bottom: 0; }

/* ---------- Section headings ---------- */
.v4-article h2.v4-h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.45rem, 2.6vw, 1.65rem);
  letter-spacing: -0.01em;
  margin: 0 0 14px;
  scroll-margin-top: 90px;
}
.v4-eyebrow {
  display: block;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 8px;
}
.v4-eyebrow.blue { color: var(--color-accent-blue); }
.v4-article p { margin: 0 0 20px; color: #33363c; }
.v4-article p.v4-muted { color: var(--color-text-muted); }

/* Calm divider between major blocks */
.v4-div { border: none; border-top: 1px solid var(--color-border); margin: 48px 0; }

/* ---------- Lists ---------- */
.v4-article ul.v4-list { list-style: none; margin: 0 0 20px; padding: 0; }
.v4-article ul.v4-list li {
  padding: 12px 0 12px 4px;
  color: #33363c;
  border-bottom: 1px solid var(--color-bg-tertiary);
}
.v4-article ul.v4-list li:last-child { border-bottom: none; }
.v4-article ul.v4-list li b, .v4-article ul.v4-list li strong { color: var(--color-text); }

/* ---------- Comparison table ---------- */
.v4-tablewrap { overflow-x: auto; margin: 26px 0; }
table.v4-table { width: 100%; border-collapse: collapse; font-size: 1rem; min-width: 560px; }
.v4-table th {
  text-align: left; padding: 13px 18px;
  font-family: var(--font-heading); font-size: 0.8125rem;
  letter-spacing: 0.05em; text-transform: uppercase;
  color: var(--color-text-muted); border-bottom: 2px solid var(--color-text);
  white-space: nowrap;
}
.v4-table td { padding: 13px 18px; border-bottom: 1px solid var(--color-border); vertical-align: top; color: #33363c; }
.v4-table tbody tr td:first-child { font-weight: 600; color: var(--color-text); }

/* ---------- Symptom matcher (details accordion, no JS) ---------- */
details.v4-symptom {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin: 10px 0;
  background: #fff;
}
details.v4-symptom summary {
  list-style: none; cursor: pointer;
  padding: 17px 22px; font-weight: 600; font-size: 1rem;
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
}
details.v4-symptom summary::-webkit-details-marker { display: none; }
details.v4-symptom summary:hover { color: var(--color-primary); }
details.v4-symptom summary::after {
  content: "+"; font-size: 1.25rem; color: var(--color-text-muted); font-weight: 300; flex: 0 0 auto;
}
details.v4-symptom[open] summary::after { content: "−"; }
.v4-symptom .v4-a { padding: 2px 22px 20px; color: var(--color-text-muted); font-size: 0.96875rem; }

/* ---------- Local relevance card ---------- */
.v4-local { border-left: 3px solid var(--color-primary); padding: 4px 0 4px 24px; margin: 40px 0; }
.v4-local h3, .v4-local .v4-h3 { font-family: var(--font-heading); font-size: 1.125rem; margin-bottom: 8px; }
.v4-local p { font-size: 1rem; color: var(--color-text-muted); margin: 0; }

/* ---------- CTA band ---------- */
.v4-cta {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 38px 36px;
  text-align: center;
  margin: 52px 0;
}
.v4-cta h2, .v4-cta .v4-cta-title {
  font-family: var(--font-heading); font-size: clamp(1.3rem, 2.4vw, 1.5rem);
  margin-bottom: 8px; letter-spacing: -0.01em;
}
.v4-cta p { color: var(--color-text-muted); margin-bottom: 22px; font-size: 1rem; }
.v4-cta .v4-btnrow { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }

/* ---------- FAQ (details accordion, no JS) ---------- */
.v4-faq { border-bottom: 1px solid var(--color-border); }
.v4-faq summary {
  list-style: none; cursor: pointer;
  padding: 18px 4px; font-weight: 600; font-size: 1.03125rem;
  display: flex; justify-content: space-between; gap: 12px; align-items: center;
}
.v4-faq summary::-webkit-details-marker { display: none; }
.v4-faq summary:hover { color: var(--color-primary); }
.v4-faq summary::after { content: "+"; font-size: 1.25rem; color: var(--color-text-muted); font-weight: 300; }
.v4-faq[open] summary::after { content: "−"; }
.v4-faq .v4-a { padding: 0 4px 22px; color: var(--color-text-muted); font-size: 1rem; }

/* ---------- Share row ---------- */
.v4-share { display: flex; gap: 10px; margin-top: 28px; align-items: center; padding-bottom: 8px; }
.v4-share span {
  font-size: 0.78125rem; color: var(--color-text-muted);
  font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em;
}
.v4-share a {
  width: 38px; height: 38px; border-radius: 50%;
  border: 1px solid var(--color-border);
  display: inline-flex; align-items: center; justify-content: center;
  text-decoration: none; color: var(--color-text-muted);
  font-size: 0.8125rem; font-weight: 700;
}
.v4-share a:hover { border-color: var(--color-primary); color: var(--color-primary); }

/* ---------- Sidebar ---------- */
.v4-side { position: sticky; top: 24px; display: flex; flex-direction: column; gap: 16px; }
@media (max-width: 1000px) { .v4-side { position: static; } }
.v4-card { border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 22px; background: #fff; }
.v4-card h4 {
  font-family: var(--font-heading); font-size: 0.8125rem;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--color-text-muted); margin-bottom: 12px;
}
.v4-toc a {
  display: block; color: var(--color-text-muted); text-decoration: none;
  font-size: 0.90625rem; padding: 7px 0;
}
.v4-toc a:hover { color: var(--color-primary); padding-left: 6px; }
.v4-book { background: var(--color-text); color: #fff; border: none; }
.v4-book h4 { color: #c6c9d1; }
.v4-book p { font-size: 0.875rem; color: #c6c9d1; margin-bottom: 16px; }
.v4-book .btn { width: 100%; justify-content: center; }
.v4-book .v4-phone {
  display: block; text-align: center; margin-top: 12px;
  color: #fff; text-decoration: none; font-weight: 700; font-family: var(--font-heading);
}
.v4-rel-item {
  display: flex; gap: 12px; align-items: center;
  text-decoration: none; color: var(--color-text);
  padding: 10px 0; border-top: 1px solid var(--color-border);
}
.v4-rel-item:first-of-type { border-top: none; }
.v4-rel-item:hover b { color: var(--color-primary); }
.v4-rel-item img {
  width: 56px; height: 56px; object-fit: cover; border-radius: 10px; flex: 0 0 auto;
}
.v4-rel-item b { display: block; font-size: 0.90625rem; font-weight: 600; }
.v4-rel-item small { display: block; font-weight: 400; color: var(--color-text-muted); font-size: 0.8125rem; line-height: 1.45; }
.v4-rel-note {
  font-size: 0.8125rem; color: var(--color-text-muted); line-height: 1.6;
  margin: 12px 0 0; padding-top: 12px; border-top: 1px solid var(--color-border);
}
.v4-rel-note a { color: var(--color-primary); font-weight: 700; }

/* Images inside v4 article */
.v4-article img { max-width: 100%; height: auto; border-radius: var(--radius-md); }
.v4-fig { margin: 28px 0; }
.v4-fig figcaption { font-size: 0.875rem; color: var(--color-text-muted); margin-top: 10px; }

/* Mobile refinements */
@media (max-width: 640px) {
  .v4-tldr { padding: 24px 22px; }
  .v4-cta { padding: 30px 22px; }
  .v4-grid { padding: 8px 20px 48px; gap: 40px; }
}

/* Ghost button for use on light backgrounds */
.v4-btn-ghost {
  background: #fff;
  color: var(--color-text);
  border: 1.5px solid var(--color-border);
}
.v4-btn-ghost:hover { border-color: var(--color-text); }