/* ============================================================
   CRD Habitat — page Savoir-faire
   Cinq métiers, cinq mises en page. Complète css/style.css
   (.frame, [data-reveal], .mgmt-card) et css/pages.css (.sec-*).
   ============================================================ */

/* ------------------------------------------------------------
   Architecture d'intérieur : principes empilés, filet entre chaque
   ------------------------------------------------------------ */
.sf-principle { padding: 1.75rem 0; border-top: 1px solid rgba(12, 27, 43, 0.1); }
.sf-principle:last-child { border-bottom: 1px solid rgba(12, 27, 43, 0.1); }
@media (min-width: 768px) { .sf-principle { padding: 2.25rem 0; } }
.sf-principle h3 {
  font-family: 'Montserrat', system-ui, sans-serif;
  font-size: clamp(1.35rem, 2.2vw, 1.85rem);
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--nuit);
}
.sf-principle p { margin-top: 0.75rem; max-width: 34rem; font-size: 0.92rem; line-height: 1.8; color: rgba(26, 26, 24, 0.78); }

/* ------------------------------------------------------------
   Conception & design : carnet de matières, quatre tuiles légendées
   ------------------------------------------------------------ */
.sf-tiles { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.85rem; }
@media (min-width: 768px) { .sf-tiles { gap: 1.25rem; } }
.sf-tile { position: relative; aspect-ratio: 1; }
/* La seconde colonne est décalée : le carnet ne se lit pas comme une grille */
@media (min-width: 640px) { .sf-tile:nth-child(even) { transform: translateY(2.5rem); } }
.sf-tile figcaption {
  position: absolute;
  left: 0.85rem;
  bottom: 0.85rem;
  z-index: 3;
  padding: 0.4rem 0.85rem;
  border-radius: var(--r-pill);
  background: rgba(246, 244, 239, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--nuit);
}

/* ------------------------------------------------------------
   Réalisation de travaux : grille des corps d'état
   (le chapitre sombre est .chapter-dark, dans css/pages.css)
   ------------------------------------------------------------ */
.sf-trades { display: grid; gap: 0.6rem; }
@media (min-width: 640px) { .sf-trades { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.sf-trade { padding: 1.1rem 1.25rem; }
.sf-trade h3 { font-size: 0.95rem; font-weight: 500; color: var(--ivoire); }
.sf-trade p { margin-top: 0.3rem; font-size: 0.78rem; line-height: 1.6; color: rgba(246, 244, 239, 0.6); }

/* Garanties, en pied de chapitre */
.sf-assur { display: flex; flex-wrap: wrap; gap: 0.6rem 1.75rem; margin-top: 2.25rem; font-size: 0.78rem; color: rgba(246, 244, 239, 0.6); }
.sf-assur span { display: inline-flex; align-items: center; gap: 0.5rem; }
.sf-assur svg { width: 0.85rem; height: 0.85rem; color: var(--pierre); }

/* ------------------------------------------------------------
   Gestion de projet : frise des étapes
   Verticale sur mobile (filet à gauche), horizontale à partir de lg.
   ------------------------------------------------------------ */
.sf-steps { display: grid; gap: 1.75rem; }
.sf-step { position: relative; padding-left: 1.85rem; }
.sf-step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.4rem;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: var(--nuit);
  box-shadow: 0 0 0 4px var(--ivoire-2);
}
.sf-step::after {
  content: "";
  position: absolute;
  left: 0.33rem;
  top: 1.4rem;
  bottom: -1.75rem;
  width: 1px;
  background: rgba(12, 27, 43, 0.18);
}
.sf-step:last-child::after { display: none; }
.sf-step h3 { font-size: 1.05rem; font-weight: 500; line-height: 1.3; color: var(--nuit); }
.sf-step p { margin-top: 0.55rem; font-size: 0.85rem; line-height: 1.7; color: rgba(26, 26, 24, 0.72); }
@media (min-width: 1024px) {
  .sf-steps { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 2.5rem; }
  .sf-step { padding-left: 0; padding-top: 1.9rem; }
  .sf-step::before { top: 0; }
  .sf-step::after { left: 1.35rem; right: -2.5rem; top: 0.33rem; bottom: auto; width: auto; height: 1px; }
}

/* Le cadre ivoire du chapitre est .chapter-light, dans css/pages.css. */

/* Engagements, en trois pastilles */
.sf-promise { display: grid; gap: 0.75rem; }
@media (min-width: 640px) { .sf-promise { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.sf-promise > div { padding: 1.25rem 1.35rem; border-radius: var(--r-md); background: rgba(255, 255, 255, 0.7); border: 1px solid rgba(12, 27, 43, 0.08); }
.sf-promise strong { display: block; font-size: 0.92rem; font-weight: 500; color: var(--nuit); }
.sf-promise span { display: block; margin-top: 0.35rem; font-size: 0.78rem; line-height: 1.6; color: rgba(26, 26, 24, 0.65); }

/* ------------------------------------------------------------
   Paysagisme : panoramique puis trois colonnes carrées
   ------------------------------------------------------------ */
.sf-three { display: grid; gap: 2rem; }
@media (min-width: 640px)  { .sf-three { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; } }
@media (min-width: 1024px) { .sf-three { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2rem; } }
.sf-three h3 { margin-top: 1.25rem; font-size: 1.15rem; font-weight: 500; letter-spacing: -0.01em; color: var(--nuit); }
.sf-three p { margin-top: 0.6rem; font-size: 0.88rem; line-height: 1.75; color: rgba(26, 26, 24, 0.75); }

/* Renvoi vers CRD Management */
.sf-after { display: flex; flex-direction: column; gap: 1.25rem; padding-top: 2rem; border-top: 1px solid rgba(12, 27, 43, 0.1); }
@media (min-width: 768px) { .sf-after { flex-direction: row; align-items: center; justify-content: space-between; gap: 2.5rem; } }

@media (prefers-reduced-motion: reduce) {
  .sf-tile:nth-child(even) { transform: none; }
}