/* ============================================================
   MF BUILDING SA — Homepage (index.html only)
   Additive to /assets/css/base.css — does not modify shared rules.
   ============================================================ */

:root{
  /* rayons — formalisation de ce qui existe déjà dans base.css */
  --r-sharp:2px;   /* boutons, inputs, chips */
  --r-card:4px;    /* cartes, panneaux, aside */
  --r-media:6px;   /* photos, médias */

  /* rythme d'espacement à deux vitesses pour les sections homepage */
  --space-major:clamp(72px,9vw,120px);
  --space-minor:clamp(48px,6vw,80px);
}

section.block.section--major{padding:var(--space-major) 0}
section.block.section--minor{padding:var(--space-minor) 0}
@media (max-width:600px){
  section.block.section--major{padding:56px 0}
  section.block.section--minor{padding:44px 0}
}

/* ---------- HERO : photo réelle de chantier ---------- */
.hero-media{
  position:relative;border-radius:var(--r-media);overflow:hidden;
  box-shadow:0 30px 60px -30px rgba(11,34,48,.5);
  aspect-ratio:4/5;background:var(--ink);
}
.hero-media img{width:100%;height:100%;object-fit:cover;display:block}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(23,24,28,0) 45%,rgba(23,24,28,.75) 100%);
}
.hero-media .hm-cap{
  position:absolute;left:20px;right:20px;bottom:16px;z-index:2;
  font-family:"Space Mono",monospace;font-size:11.5px;letter-spacing:.1em;
  color:rgba(255,255,255,.88);
}
.hero-media .hm-cap b{color:#fff;font-family:"Archivo",sans-serif;font-weight:700;letter-spacing:0;display:block;font-size:14px;margin-bottom:2px}
@media (min-width:961px){ .hero-media{aspect-ratio:auto;height:100%} }

/* ---------- BANDEAU PREUVES : séparateurs architecturaux ---------- */
@media (min-width:961px){
  .strip .wrap{flex-wrap:nowrap;justify-content:flex-start;gap:0}
  .strip-item{flex:1 1 0;padding:0 30px}
  .strip-item:first-child{padding-left:0}
  .strip-item:not(:first-child){border-left:1px solid rgba(255,255,255,.16)}
}

/* ---------- GRILLE SERVICES : une seule carte illustrée, le reste sobre ---------- */
.grid3 a.svc.has-photo{padding:0;overflow:hidden}
.grid3 a.svc.has-photo .svc-photo{
  aspect-ratio:16/10;background-size:cover;background-position:center;
  background-image:url('../../media/realisations/realisation-dalles-sur-plots-web.jpg');
}
.grid3 a.svc.has-photo .svc-card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.grid3 a.svc.has-photo .ico{display:none}

/* ---------- RÉALISATIONS : portfolio éditorial ---------- */
.portfolio{display:grid;grid-template-columns:repeat(12,1fr);grid-auto-rows:64px;gap:14px}
.p-item{
  position:relative;display:block;border-radius:var(--r-media);overflow:hidden;background:var(--ink);
  box-shadow:0 20px 44px -26px rgba(17,24,28,.45);
}
.p-item img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .8s ease}
.p-item:hover img{transform:scale(1.045)}
.p-item::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(17,17,20,0) 55%,rgba(17,17,20,.72) 100%)}
.p-cap{
  position:absolute;left:16px;right:16px;bottom:14px;z-index:2;
  font-family:"Space Mono",monospace;font-size:11px;letter-spacing:.08em;color:rgba(255,255,255,.9);
}
.p-cap b{display:block;font-family:"Archivo",sans-serif;font-weight:700;letter-spacing:0;color:#fff;margin-bottom:2px}
.p-feature{grid-column:1/8;grid-row:span 7}
.p-feature .p-cap{font-size:12px}
.p-feature .p-cap b{font-size:19px}
.p-secondary-1{grid-column:8/13;grid-row:span 7}
.p-secondary-2,.p-secondary-3,.p-secondary-4{grid-column:span 4;grid-row:span 5}

@media (max-width:900px){
  .p-feature{grid-column:1/13}
  .p-secondary-1{grid-column:1/13;grid-row:span 6}
  .p-secondary-2,.p-secondary-3,.p-secondary-4{grid-column:span 6}
}

/* mobile : vraie galerie tactile (swipe), pas une grille desktop compressée */
@media (max-width:640px){
  .portfolio{
    display:flex;grid-auto-rows:unset;gap:12px;
    overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
    margin:0 -24px;padding:0 24px 6px;
  }
  .p-item{scroll-snap-align:start}
  .p-feature{flex:0 0 88%;aspect-ratio:4/3}
  .p-secondary-1,.p-secondary-2,.p-secondary-3,.p-secondary-4{flex:0 0 72%;aspect-ratio:4/5}
}

/* ---------- RECHERCHE DE FUITE : section problème/solution ---------- */
.leak-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:center}
.leak-media{border-radius:var(--r-media);overflow:hidden;box-shadow:0 26px 54px -28px rgba(11,34,48,.45);aspect-ratio:4/3}
.leak-media img{width:100%;height:100%;object-fit:cover;display:block}
.leak-section .lead{font-size:17px;color:var(--muted);margin-bottom:22px}
.leak-situations{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:10px 20px;margin:0 0 28px}
.leak-situations li{position:relative;padding-left:22px;font-size:15px;color:var(--ink);font-weight:500}
.leak-situations li::before{content:"";position:absolute;left:0;top:7px;width:10px;height:10px;background:var(--hi);border-radius:2px}
@media (max-width:960px){
  .leak-grid{grid-template-columns:1fr;gap:32px}
  .leak-media{order:-1;aspect-ratio:16/10}
}
@media (max-width:600px){
  .leak-situations{grid-template-columns:1fr}
}

/* ---------- CTA FINAL : réutilise .ctaband existant, homepage ---------- */
.ctaband.home-ctaband .wrap{justify-content:center;text-align:center;flex-direction:column;gap:22px}
.ctaband.home-ctaband h2{max-width:none}

/* ---------- icônes CTA (remplacement des emoji) ---------- */
.btn svg.btn-ico{flex:0 0 auto}

/* ---------- HERO : composition mobile dédiée (photo d'abord) ---------- */
@media (max-width:960px){
  .hero-grid{display:flex;flex-direction:column}
  .hero-media{order:-1;margin-bottom:32px;aspect-ratio:4/3}
}

/* ---------- FORMULAIRE MULTI-ÉTAPES (contenu identique, déplacé depuis l'ancien <style> inline) ---------- */
.form-progress{display:flex;align-items:center;margin-bottom:22px}
.fp-step{
  width:26px;height:26px;border-radius:50%;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  font-family:"Archivo",sans-serif;font-weight:800;font-size:12px;
  background:#fff;border:2px solid var(--line-strong);color:var(--muted);
  transition:background .2s,border-color .2s,color .2s;
}
.fp-step.active{border-color:var(--hi);color:var(--hi);background:#fff}
.fp-step.done{background:var(--hi);border-color:var(--hi);color:#fff}
.fp-line{flex:1 1 auto;height:2px;background:var(--line-strong);margin:0 6px}
.form-step{display:none}
.form-step.active{display:block}
.fld-label{display:block;font-size:15px;font-weight:700;margin-bottom:12px;font-family:"Archivo",sans-serif}
.choice-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:18px}
.choice-btn{
  display:block;width:100%;text-align:left;padding:13px 14px;border-radius:3px;
  border:1.5px solid var(--line-strong);background:#fff;color:var(--ink);
  font-family:inherit;font-size:14.5px;font-weight:600;cursor:pointer;
  transition:border-color .15s,background .15s;
}
.choice-btn:hover{border-color:var(--water)}
.choice-btn.selected{border-color:var(--hi);background:#FDECEC;color:var(--hi-deep)}
.step-actions{display:flex;gap:12px;margin-top:6px}
.step-actions .btn{flex:1;justify-content:center}
.step-next[disabled]{opacity:.5;cursor:not-allowed}
.fld-optional{font-weight:400;color:var(--muted);text-transform:none;letter-spacing:0}
.fld-photo input[type="file"]{
  width:100%;padding:10px 12px;border:1px dashed var(--line-strong);border-radius:2px;
  background:#fff;font-size:13px;color:var(--muted);
}
@media (max-width:480px){.choice-grid{grid-template-columns:1fr}}