:root { --encre: #1a1a1a; --gris: #6b6b6b; --ligne: #e6e6e6; --fond: #fff; --accent: #1d4ed8; }
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif; color: var(--encre); background: var(--fond); }
main { max-width: 880px; margin: 0 auto; padding: 0 20px 60px; }
h1 { font-size: clamp(1.6rem, 4vw, 2.4rem); line-height: 1.15; margin: 0 0 12px; letter-spacing: -0.01em; }
h2 { font-size: 1.35rem; margin: 48px 0 16px; }
h3 { margin: 0 0 6px; font-size: 1.05rem; }
a { color: var(--accent); }
.entete { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 14px 20px; border-bottom: 1px solid var(--ligne); flex-wrap: wrap; }
.marque { font-weight: 600; color: var(--encre); text-decoration: none; }
.entete nav { display: flex; gap: 16px; align-items: center; font-size: 0.95rem; }
.solde { color: var(--gris); }
.hero { padding-top: 40px; }
.sous { color: var(--gris); font-size: 1.1rem; max-width: 640px; }
.demo img { width: 100%; height: auto; border: 1px solid var(--ligne); border-radius: 6px; display: block; }
.demo { margin: 24px 0; }
form label { display: block; margin: 14px 0 6px; font-weight: 500; }
input[type=email], input[type=file] { width: 100%; padding: 10px 12px; border: 1px solid #cfcfcf; border-radius: 6px; font: inherit; }
fieldset { border: 0; padding: 0; margin: 14px 0; display: flex; gap: 12px; flex-wrap: wrap; }
legend { font-weight: 500; margin-bottom: 6px; }
.style { font-weight: 400; display: inline-flex; gap: 6px; align-items: center; padding: 8px 12px; border: 1px solid #cfcfcf; border-radius: 6px; margin: 0; }
button, .bouton { display: inline-block; background: var(--encre); color: #fff; border: 0; border-radius: 6px; padding: 12px 18px; font: inherit; font-weight: 500; cursor: pointer; text-decoration: none; }
.bouton.secondaire { background: #fff; color: var(--encre); border: 1px solid #cfcfcf; }
.note { color: var(--gris); font-size: 0.92rem; }
.alerte { background: #fff7ed; border: 1px solid #fed7aa; padding: 10px 14px; border-radius: 6px; }
.etapes ol { padding-left: 20px; } .etapes li { margin: 10px 0; }
.grille { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.offre { border: 1px solid var(--ligne); border-radius: 8px; padding: 18px; }
.offre .prix { font-size: 1.4rem; font-weight: 600; margin: 4px 0 8px; }
.offre label { font-size: 0.9rem; margin-top: 10px; }
.offre button { width: 100%; margin-top: 10px; }
dl dt { font-weight: 600; margin-top: 14px; } dl dd { margin: 4px 0 0; color: #333; }
.barre { height: 8px; background: var(--ligne); border-radius: 4px; overflow: hidden; margin: 12px 0; }
.barre-int { height: 100%; width: 5%; background: var(--accent); transition: width 1.2s linear; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; }
.liste-photos { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; }
.liste-photos img { width: 100%; height: 140px; object-fit: cover; border-radius: 6px; border: 1px solid var(--ligne); }
.vignette-vide { display: flex; align-items: center; justify-content: center; height: 140px; border: 1px dashed #cfcfcf; border-radius: 6px; color: var(--gris); }
.liste-photos p { font-size: 0.9rem; color: var(--gris); margin: 6px 0 0; }
.pied { border-top: 1px solid var(--ligne); padding: 20px; color: var(--gris); font-size: 0.85rem; max-width: 880px; margin: 0 auto; }
@media (max-width: 600px) { .entete nav { width: 100%; justify-content: space-between; } }

/* Accueil */
.surtitre { color: var(--gris); text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.8rem; margin: 0 0 8px; }
.hero h1 { max-width: 720px; }
.hero .actions { margin: 20px 0 32px; }
.comparateur { position: relative; margin: 0; border-radius: 8px; overflow: hidden; border: 1px solid var(--ligne); aspect-ratio: 4 / 3; background: #f3f3f3; }
.comparateur img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; }
.comparateur .avant { clip-path: inset(0 50% 0 0); }
.comparateur input[type=range] { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: ew-resize; }
.comparateur .poignee { position: absolute; top: 0; bottom: 0; left: 50%; width: 2px; background: #fff; box-shadow: 0 0 0 1px rgba(0,0,0,.25); pointer-events: none; }
.comparateur .poignee::after { content: "⇔"; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 36px; height: 36px; border-radius: 50%; background: #fff; color: var(--encre); display: flex; align-items: center; justify-content: center; font-size: 16px; box-shadow: 0 1px 4px rgba(0,0,0,.25); }
.etiquette { position: absolute; top: 12px; background: rgba(255,255,255,.92); color: var(--encre); font-size: 0.8rem; padding: 4px 8px; border-radius: 4px; pointer-events: none; }
.etiquette.gauche { left: 12px; } .etiquette.droite { right: 12px; }
figcaption.note { margin-top: 8px; }
.mail-offres { max-width: 420px; }
.offre .prix .ht { font-size: 0.9rem; font-weight: 400; color: var(--gris); }
.offre .detail { color: #333; min-height: 3.2em; }
button.secondaire { background: #fff; color: var(--encre); border: 1px solid #cfcfcf; }
.formulaire { border: 1px solid var(--ligne); border-radius: 8px; padding: 20px 24px 24px; margin-top: 48px; }
.formulaire h2 { margin-top: 0; }