/* =========================================================
   Section Conseils — FAQ & guides techniques
   Étend le design system de styles.css (tokens, .wrap, .label-tech,
   .display-*, .reveal, .link-arrow...).
   Fichier autonome, partagé par /conseils/ et ses sous-pages.

   Rouge DEL verrouillé sur cette section : #c9370c (variable locale).
   ========================================================= */

:root { --del-red: #c9370c; }

.svc-accent { color: var(--del-red); }

/* ---------- breadcrumb ---------- */
.svc-breadcrumb { padding-top: 6.5rem; }
@media (min-width: 768px) { .svc-breadcrumb { padding-top: 8rem; } }
.svc-breadcrumb nav { display: flex; align-items: center; gap: 0.625rem; color: var(--muted-foreground); flex-wrap: wrap; }
.svc-breadcrumb a { transition: color 0.2s ease; }
.svc-breadcrumb a:hover { color: var(--ink); }
.svc-breadcrumb .sep { opacity: 0.5; }
.svc-breadcrumb .current { color: var(--ink-soft); }

/* ---------- hero (sans média) ---------- */
#svc-hero { border-bottom: 1px solid var(--rule); padding-bottom: 5rem; }
.svc-hero-grid { margin-top: 3rem; display: grid; grid-template-columns: 1fr; gap: 2rem; }
.svc-hero-title h1 { font-family: var(--font-display); font-weight: 600; letter-spacing: -0.035em; line-height: 1; font-size: clamp(2.25rem, 5.2vw, 4.25rem); text-wrap: balance; }
.svc-hero-title h1 .label-tech { display: block; margin-top: 1.25rem; }
.svc-hero-title p.lede { margin-top: 1.75rem; max-width: 36rem; font-size: 1.0625rem; line-height: 1.6; color: var(--ink-soft); }
.svc-hero-cta-row { margin-top: 2rem; display: flex; flex-wrap: wrap; align-items: center; gap: 1.25rem; }

.btn-thermal {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--del-red);
  color: var(--paper);
  padding: 0.875rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  transition: background-color 0.3s ease;
}
.btn-thermal:hover { background: var(--ink); }
.btn-thermal .arrow { transition: transform 0.3s; }
.btn-thermal:hover .arrow { transform: translateX(0.375rem); }

/* ---------- FAQ ---------- */
#svc-faq { border-bottom: 1px solid var(--rule); background: var(--paper); padding: 6rem 0; }
@media (min-width: 768px) { #svc-faq { padding: 9rem 0; } }
.faq-list { margin-top: 3.5rem; border-top: 1px solid var(--rule); }
.faq-item { border-bottom: 1px solid var(--rule); padding: 2.5rem 0; }
.faq-item .faq-n { font-family: var(--font-mono); font-size: 0.6875rem; letter-spacing: 0.1em; color: var(--muted-foreground); }
.faq-item h3 { margin-top: 0.875rem; font-family: var(--font-display); font-size: clamp(1.25rem, 2vw, 1.625rem); font-weight: 500; letter-spacing: -0.025em; max-width: 36rem; }
.faq-item .faq-answer { margin-top: 1.25rem; max-width: 42rem; font-size: 1.0625rem; line-height: 1.7; color: var(--ink-soft); }
.faq-item .faq-answer p + p { margin-top: 1rem; }
.faq-item .faq-meta { margin-top: 1.25rem; display: flex; flex-wrap: wrap; gap: 1.5rem; }
.faq-item .faq-meta a { font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--del-red); transition: opacity 0.2s ease; }
.faq-item .faq-meta a:hover { opacity: 0.7; }

/* ---------- teaser vers un guide (isolants) ---------- */
#svc-teaser { border-bottom: 1px solid var(--rule); background: var(--paper-dim); padding: 6rem 0; }
@media (min-width: 768px) { #svc-teaser { padding: 8rem 0; } }
.teaser-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; align-items: center; }
@media (min-width: 1024px) { .teaser-grid { grid-template-columns: repeat(12, 1fr); gap: 2.5rem; } }
.teaser-title { grid-column: 1 / -1; }
@media (min-width: 1024px) { .teaser-title { grid-column: span 8; } }
.teaser-title p { margin-top: 1rem; font-size: 1.0625rem; line-height: 1.6; color: var(--ink-soft); max-width: 36rem; }
.teaser-action { grid-column: 1 / -1; }
@media (min-width: 1024px) { .teaser-action { grid-column: span 4; display: flex; justify-content: flex-end; } }

/* ---------- guide isolants : fiches ---------- */
#svc-materials { padding: 6rem 0 7rem; }
@media (min-width: 768px) { #svc-materials { padding: 9rem 0 10rem; } }
.iso-card { border-top: 1px solid var(--rule); padding: 3.5rem 0; }
.iso-card:first-child { border-top: none; }
.iso-card-head { max-width: 40rem; }
.iso-card-head .iso-n { font-family: var(--font-mono); font-size: 0.6875rem; letter-spacing: 0.1em; color: var(--muted-foreground); }
.iso-card-head h2 { margin-top: 0.875rem; }
.iso-card-desc { margin-top: 1.25rem; max-width: 42rem; font-size: 1.0625rem; line-height: 1.7; color: var(--ink-soft); }
.iso-card-desc p + p { margin-top: 1rem; }

.iso-specs { margin-top: 2.5rem; display: grid; grid-template-columns: 1fr; gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
@media (min-width: 768px) { .iso-specs { grid-template-columns: 160px 1fr; } }
.iso-specs dt { background: var(--paper-dim); padding: 1rem 1.25rem; font-family: var(--font-mono); font-size: 0.6875rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-soft); }
.iso-specs dd { background: var(--paper); padding: 1rem 1.25rem; font-size: 0.9375rem; line-height: 1.55; color: var(--ink-soft); }
.iso-specs dd ul { margin: 0; padding: 0; list-style: none; }
.iso-specs dd li { position: relative; padding-left: 1rem; }
.iso-specs dd li + li { margin-top: 0.375rem; }
.iso-specs dd li::before { content: "—"; position: absolute; left: 0; color: var(--muted-foreground); }
.iso-specs dd strong { color: var(--ink); font-weight: 500; }

/* ---------- final CTA ---------- */
#svc-cta { padding: 7rem 0 8rem; }
.svc-cta-inner { border-top: 1px solid var(--rule); padding-top: 3.5rem; display: grid; grid-template-columns: 1fr; gap: 2.5rem; }
@media (min-width: 1024px) { .svc-cta-inner { grid-template-columns: repeat(12, 1fr); align-items: center; } }
.svc-cta-title { grid-column: 1 / -1; }
@media (min-width: 1024px) { .svc-cta-title { grid-column: span 7; } }
.svc-cta-title h2 { margin-top: 1rem; }
.svc-cta-actions { grid-column: 1 / -1; display: flex; flex-direction: column; gap: 1.25rem; align-items: flex-start; }
@media (min-width: 1024px) { .svc-cta-actions { grid-column: 9 / span 4; align-items: flex-end; } }
.svc-cta-actions p { max-width: 26rem; font-size: 1.0625rem; line-height: 1.6; color: var(--ink-soft); }
@media (min-width: 1024px) { .svc-cta-actions p { text-align: right; } }
.svc-cta-row { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; }