/* Page de présentation */
:root {
  --fond: #0f1014;
  --fond2: #15161c;
  --carte: #1c1d25;
  --bord: #2c2e38;
  --texte: #ecedf2;
  --doux: #a1a3b1;
  --accent: #fe2c55;
  --accent2: #25f4ee;
  --rayon: 16px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
section[id] { scroll-margin-top: 64px; }
body {
  margin: 0;
  background: var(--fond);
  color: var(--texte);
  font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
}
a { color: inherit; }
h1, h2, h3 { letter-spacing: -0.02em; line-height: 1.15; margin: 0; }
main > section { max-width: 1120px; margin: 0 auto; padding: 72px 20px; }
section h2 { font-size: clamp(26px, 4vw, 36px); margin-bottom: 10px; }
.intro { color: var(--doux); margin: 0 0 32px; max-width: 620px; }

.bouton {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 22px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid var(--accent);
  white-space: nowrap;
  transition: transform 0.15s, box-shadow 0.15s;
}
.bouton:hover { transform: translateY(-1px); box-shadow: 0 8px 24px #fe2c5544; }
.bouton.secondaire { background: transparent; border-color: var(--bord); color: var(--texte); }
.bouton.secondaire:hover { border-color: #4a4d5c; box-shadow: none; }
.bouton.petit { min-height: 38px; padding: 8px 16px; font-size: 14px; }
.bouton:focus-visible, nav a:focus-visible, summary:focus-visible { outline: 2px solid var(--accent2); outline-offset: 3px; }

/* ------------------------------------------------------------- barre */

.barre {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 12px max(20px, calc((100% - 1120px) / 2 + 20px));
  background: #0f1014d9;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid #ffffff0d;
}
.marque { font-weight: 800; font-size: 19px; text-decoration: none; display: flex; align-items: center; gap: 10px; }
.point { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); box-shadow: 3px 0 0 var(--accent2); }
.barre nav { display: flex; gap: 20px; margin-left: auto; }
.barre nav a { color: var(--doux); text-decoration: none; font-size: 15px; }
.barre nav a:hover { color: var(--texte); }
.langues { display: flex; gap: 2px; font-size: 13px; font-weight: 600; }
.langues a { color: var(--doux); text-decoration: none; padding: 6px 7px; border-radius: 8px; }
.langues a:hover { color: var(--texte); }
.langues a[aria-current] { color: var(--texte); background: #ffffff12; }

/* ------------------------------------------------------------- accroche */

.accroche {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
  padding-top: 56px !important;
}
.surtitre { color: var(--accent2); font-weight: 600; font-size: 14px; letter-spacing: 0.02em; margin: 0 0 14px; }
.accroche h1 { font-size: clamp(42px, 7vw, 76px); font-weight: 850; }
.degrade { background: linear-gradient(90deg, var(--accent) 0%, #ff7a59 50%, var(--accent2) 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.chapeau { font-size: 18px; color: var(--doux); margin: 20px 0 28px; max-width: 540px; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; }
.garanties { list-style: none; padding: 0; margin: 24px 0 0; display: flex; flex-wrap: wrap; gap: 8px 20px; color: var(--doux); font-size: 14px; }
.garanties li::before { content: "✓"; color: var(--accent2); margin-right: 6px; font-weight: 700; }

.telephone {
  justify-self: center;
  width: min(340px, 100%);
  aspect-ratio: 9 / 16;
  border-radius: 34px;
  padding: 9px;
  background: linear-gradient(160deg, #2b2d38, #121318);
  box-shadow: 0 0 0 1px #ffffff14, 0 40px 80px -20px #fe2c5540, 0 30px 60px -30px #25f4ee30;
}
.telephone canvas { display: block; width: 100%; height: 100%; border-radius: 26px; background: #000; }

/* ------------------------------------------------------------- étapes */

.etapes ol { list-style: none; padding: 0; margin: 32px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.etapes li { background: var(--carte); border: 1px solid var(--bord); border-radius: var(--rayon); padding: 24px; }
.etapes h3 { font-size: 20px; margin: 14px 0 8px; }
.etapes p { color: var(--doux); margin: 0 0 10px; font-size: 15px; }
.num { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: #fe2c5522; color: var(--accent); font-weight: 800; }
.etapes pre {
  margin: 0 0 10px;
  padding: 10px 12px;
  background: #0f1014;
  border: 1px solid var(--bord);
  border-radius: 10px;
  font: 13px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace;
  color: var(--accent2);
  white-space: pre-wrap;
}

/* ------------------------------------------------------------- décors */

.galerie { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px 24px; align-items: start; max-width: 900px; }
.decor { margin: 0; display: flex; flex-direction: column; gap: 12px; scroll-margin-top: 80px; }
.decor canvas { width: 100%; height: auto; border-radius: 18px; background: #000; box-shadow: 0 0 0 1px var(--bord); display: block; }
.decor.paysage { grid-column: span 2; }
.decor.paysage canvas { border-radius: 12px; }
.decor figcaption strong { display: block; font-size: 17px; }
.decor figcaption span { color: var(--doux); font-size: 14px; }
.decor-lien { display: flex; flex-direction: column; gap: 12px; color: inherit; text-decoration: none; }
.decor-lien canvas { transition: transform 0.2s ease, box-shadow 0.2s ease; }
.decor-lien:hover canvas, .decor-lien:focus-visible canvas { transform: translateY(-3px); box-shadow: 0 0 0 2px var(--accent, #fe2c55), 0 10px 30px rgba(0,0,0,0.35); }
.decor figcaption em { display: inline-block; margin-top: 6px; font-style: normal; font-weight: 600; font-size: 14px; color: var(--accent, #fe2c55); }
.decor-lien:hover figcaption em { text-decoration: underline; }

/* ------------------------------------------------------------- tarifs */

.grille-tarifs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
.tarif { position: relative; background: var(--carte); border: 1px solid var(--bord); border-radius: var(--rayon); padding: 28px 24px; }
.tarif.mis-en-avant { border-color: var(--accent); box-shadow: 0 0 0 3px #fe2c5522; }
.tarif h3 { font-size: 18px; }
.prix { font-size: 40px; font-weight: 850; margin: 14px 0 0; letter-spacing: -0.02em; }
.unite { color: var(--doux); font-size: 14px; margin: 2px 0 18px; min-height: 22px; }
.tarif ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; font-size: 15px; }
.tarif li::before { content: "✓"; color: var(--accent2); margin-right: 8px; font-weight: 700; }
.etiquette { position: absolute; top: -12px; left: 24px; background: var(--accent); color: #fff; font-size: 12px; font-weight: 700; padding: 3px 10px; border-radius: 999px; }
.note { color: var(--doux); font-size: 14px; margin: 24px 0 0; max-width: 720px; }

/* ------------------------------------------------------------- questions */

.questions { max-width: 760px !important; }
.questions details { border-bottom: 1px solid var(--bord); padding: 4px 0; }
.questions summary { cursor: pointer; list-style: none; padding: 16px 32px 16px 0; font-weight: 650; font-size: 17px; position: relative; }
.questions summary::-webkit-details-marker { display: none; }
.questions summary::after { content: "+"; position: absolute; right: 4px; top: 12px; font-size: 24px; color: var(--doux); font-weight: 400; }
.questions details[open] summary::after { content: "−"; }
.questions details p { color: var(--doux); margin: 0 0 16px; }

/* ------------------------------------------------------------- fin */

.final { text-align: center; }
.final h2 { margin-bottom: 24px; }
.pied { border-top: 1px solid var(--bord); padding: 32px 20px 48px; text-align: center; color: var(--doux); font-size: 13px; }
.pied p { max-width: 720px; margin: 0 auto 8px; }

/* ------------------------------------------------------------- téléphone */

@media (max-width: 900px) {
  .accroche { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .chapeau { margin-left: auto; margin-right: auto; }
  .actions, .garanties { justify-content: center; }
  .telephone { width: min(300px, 78vw); }
  .etapes ol, .grille-tarifs { grid-template-columns: 1fr; }
  .galerie { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .tarif { padding: 22px 20px; }
  .prix { font-size: 34px; margin-top: 8px; }
  .unite { margin-bottom: 12px; min-height: 0; }
}

@media (max-width: 600px) {
  main > section { padding: 52px 16px; }
  .barre { padding: 10px 16px; gap: 12px; }
  .barre nav { display: none; }
  .langues { margin-left: auto; }
  .langues a { padding: 6px 5px; }
  .marque { font-size: 17px; }
  .accroche { padding-top: 32px !important; }
  .chapeau { font-size: 16px; }
  .actions .bouton { flex: 1 1 100%; }
  .decor.paysage { grid-column: 1 / -1; }
  .decor figcaption span { font-size: 13px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .bouton { transition: none; }
}