/* Qyntiv : site de la marque mère des logiciels d'Emmanuel Percheron.
   Direction : luxe futuriste, dans l'esprit de NEOM. Nuit du désert, ligne de lumière à l'horizon,
   ivoire et or champagne, grands espaces, typographie fine. Mouvements lents et feutrés.
   Aucune ressource externe ; tout s'immobilise si le visiteur réduit les animations. */

@font-face { font-family: "Cormorant"; src: url("../fonts/cormorant.woff2?v=2") format("woff2"); font-weight: 300; font-style: normal; font-display: swap; }
@font-face { font-family: "Cormorant"; src: url("../fonts/cormorant-italic.woff2?v=2") format("woff2"); font-weight: 300; font-style: italic; font-display: swap; }
@font-face { font-family: "Inter"; src: url("../fonts/inter.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }

:root {
  --nuit: #06070b;
  --nuit-2: #0b0c12;
  --ivoire: #f3eee5;
  --ivoire-doux: #b9b2a6;
  --ivoire-faible: #7d776d;
  --or: #cdb084;
  --or-clair: #ecdcbc;
  --or-fonce: #9c7f53;
  --filet: rgba(236, 220, 188, 0.14);
  --filet-fort: rgba(236, 220, 188, 0.32);
  --dore: linear-gradient(100deg, #9c7f53 0%, #ecdcbc 45%, #fff6e3 55%, #cdb084 100%);
  --largeur: 1240px;
  --serif: "Cormorant", "Cormorant Garamond", Garamond, "Times New Roman", serif;
  --sans: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --lent: cubic-bezier(0.22, 0.61, 0.36, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { background: var(--nuit); color: var(--ivoire); font-family: var(--sans); font-weight: 300; font-size: 17px; line-height: 1.7;
  -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
::selection { background: rgba(205, 176, 132, 0.35); }
:focus-visible { outline: 1px solid var(--or); outline-offset: 4px; }
.conteneur { width: min(var(--largeur), 100% - 48px); margin-inline: auto; }

/* Petites capitales espacées, la signature du luxe */
.surtitre, .etiquette, .nav, .bouton, .lien, .pied-page { font-family: var(--sans); font-weight: 500; font-size: 12px; letter-spacing: 0.32em; text-transform: uppercase; }
.etiquette { display: inline-flex; align-items: center; gap: 18px; color: var(--or); }
.etiquette::before { content: ""; width: 42px; height: 1px; background: linear-gradient(90deg, transparent, var(--or)); }
.dore { background: linear-gradient(100deg, #8f744b 0%, #cdb084 30%, #fff6e3 45%, #ecdcbc 52%, #cdb084 70%, #8f744b 100%);
  background-size: 250% 100%; -webkit-background-clip: text; background-clip: text; color: transparent; animation: reflet 9s ease-in-out infinite; }
@keyframes reflet { 0%, 100% { background-position: 100% 0; } 50% { background-position: 0% 0; } }

/* Grain de film, très léger : la texture d'une image de cinéma */
body::after { content: ""; position: fixed; inset: -50%; z-index: 100; pointer-events: none; opacity: 0.055;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23g)'/%3E%3C/svg%3E");
  animation: grain 1.2s steps(4) infinite; }
@keyframes grain { 0% { transform: translate(0, 0); } 25% { transform: translate(-3%, 2%); } 50% { transform: translate(2%, -3%); } 75% { transform: translate(-2%, -1%); } 100% { transform: translate(0, 0); } }

/* ------------------------------------------------------------- en-tête */
.entete { position: fixed; top: 0; left: 0; right: 0; z-index: 30; transition: background 0.6s var(--lent), border-color 0.6s var(--lent); border-bottom: 1px solid transparent; }
.entete.defile { background: rgba(6, 7, 11, 0.72); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border-bottom-color: var(--filet); }
.entete .conteneur { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; height: 92px; gap: 20px; }
.nav.gauche { justify-self: start; } .nav.droite { justify-self: end; }
.marque { display: flex; flex-direction: column; align-items: center; gap: 9px; font-family: var(--serif); font-weight: 400; font-size: 21px; letter-spacing: 0.5em; padding-left: 0.5em; color: var(--ivoire); }
.marque img { height: 34px; width: auto; }
.marque span { color: var(--or-clair); }
.nav { display: flex; align-items: center; gap: 40px; color: var(--ivoire-doux); font-size: 10.5px; letter-spacing: 0.34em; }
.nav a { position: relative; transition: color 0.4s var(--lent); }
.nav a:hover { color: var(--ivoire); }
.nav a:not(.langue)::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -8px; height: 1px; background: var(--or); transition: right 0.5s var(--lent); }
.nav a:not(.langue):hover::after { right: 0; }
.langue { color: var(--or-clair); }

/* ---------------------------------------------------------------- héros */
.heros { position: relative; padding: 0; height: 100vh; height: 100svh; min-height: 680px; max-height: 1100px; display: flex; align-items: flex-start; overflow: hidden; isolation: isolate; }
.ciel { position: absolute; inset: 0; z-index: -4;
  background:
    radial-gradient(120% 70% at 50% 108%, rgba(214, 148, 88, 0.55) 0%, rgba(150, 86, 60, 0.28) 28%, transparent 60%),
    radial-gradient(70% 40% at 50% 70%, rgba(236, 220, 188, 0.12), transparent 70%),
    linear-gradient(180deg, #04050a 0%, #080a14 38%, #141322 62%, #2a1d1c 78%, #3b2618 88%); }
.etoiles { position: absolute; inset: 0 0 35% 0; z-index: -3; opacity: 0.7;
  background-image:
    radial-gradient(1px 1px at 12% 18%, #fff, transparent), radial-gradient(1px 1px at 28% 8%, #fff8, transparent),
    radial-gradient(1px 1px at 41% 26%, #fff9, transparent), radial-gradient(1.5px 1.5px at 57% 12%, #fff, transparent),
    radial-gradient(1px 1px at 69% 30%, #fff8, transparent), radial-gradient(1px 1px at 82% 9%, #fff, transparent),
    radial-gradient(1px 1px at 91% 22%, #fff9, transparent), radial-gradient(1px 1px at 6% 40%, #fff7, transparent),
    radial-gradient(1px 1px at 35% 44%, #fff6, transparent), radial-gradient(1px 1px at 76% 46%, #fff6, transparent),
    radial-gradient(1px 1px at 50% 4%, #fff9, transparent), radial-gradient(1px 1px at 20% 33%, #fff5, transparent);
  animation: scintille 7s ease-in-out infinite alternate; }
@keyframes scintille { from { opacity: 0.45; } to { opacity: 0.85; } }

/* La ligne de lumière, posée sur l'horizon, et son reflet sur le sable */
.ligne-horizon { position: absolute; left: 0; right: 0; top: 83%; z-index: -2; height: 2px; }
.ligne-horizon::before { content: ""; position: absolute; left: 8%; right: 8%; top: 0; height: 2px;
  background: linear-gradient(90deg, transparent, rgba(236, 220, 188, 0.55) 18%, #fff6e3 50%, rgba(236, 220, 188, 0.55) 82%, transparent);
  box-shadow: 0 0 18px 2px rgba(255, 230, 190, 0.55), 0 0 80px 10px rgba(214, 148, 88, 0.35); }
.ligne-horizon::after { content: ""; position: absolute; left: 20%; right: 20%; top: 2px; height: 90px;
  background: radial-gradient(50% 100% at 50% 0%, rgba(255, 220, 170, 0.22), transparent 70%); filter: blur(6px); }
.ligne-horizon .eclat { position: absolute; top: -1px; height: 4px; width: 18%; left: 0;
  background: linear-gradient(90deg, transparent, #fff, transparent); filter: blur(1px); opacity: 0.9;
  animation: balaye 9s var(--lent) infinite; }
@keyframes balaye { 0% { left: 4%; opacity: 0; } 15% { opacity: 0.9; } 85% { opacity: 0.9; } 100% { left: 78%; opacity: 0; } }

.coin { position: absolute; bottom: 34px; z-index: 2; color: var(--ivoire-faible); font-size: 10px; letter-spacing: 0.34em; text-transform: uppercase; font-weight: 500; }
.coin.g { left: max(24px, calc((100% - var(--largeur)) / 2)); } .coin.d { right: max(24px, calc((100% - var(--largeur)) / 2)); }
.heros .filet-or { display: block; width: 1px; height: 46px; margin: 0 auto 30px; background: linear-gradient(transparent, var(--or)); }
.dunes { position: absolute; left: 0; right: 0; bottom: 0; height: 18%; width: 100%; z-index: -1; }

.heros .contenu { position: relative; width: 100%; padding: clamp(96px, 11vh, 150px) 0 0; text-align: center; }
.logo-heros { margin: 0 auto clamp(14px, 2.6vh, 28px); }
.logo-heros img { display: block; margin: 0 auto; width: clamp(220px, min(80vw, 40vh), 500px); height: auto; }
.heros .sceau { display: block; width: clamp(40px, 5vh, 54px); height: auto; margin: 0 auto clamp(14px, 2.4vh, 24px); }
.heros .nom-marque { font-family: var(--serif); font-weight: 300; font-size: clamp(44px, min(13vw, 19vh), 210px); line-height: 0.9;
  letter-spacing: 0.22em; padding-left: 0.22em; margin-bottom: clamp(18px, 3vh, 32px); white-space: nowrap; }
/* Accueil : le nom est déjà en grand, la marque de l'en-tête n'apparaît qu'en descendant */
.js .accueil .entete .marque { opacity: 0; transform: translateY(-6px); transition: opacity 0.8s var(--lent), transform 0.8s var(--lent); }
.js .accueil .entete.defile .marque { opacity: 1; transform: none; }
.ornement { display: flex; align-items: center; justify-content: center; gap: 22px; margin-bottom: clamp(18px, 3vh, 30px); }
.ornement::before, .ornement::after { content: ""; width: clamp(40px, 8vw, 110px); height: 1px; }
.ornement::before { background: linear-gradient(90deg, transparent, var(--or)); }
.ornement::after { background: linear-gradient(90deg, var(--or), transparent); }
.ornement .surtitre { margin: 0; }
.devise { font-family: var(--serif); font-weight: 300; font-size: clamp(24px, min(3vw, 4.6vh), 42px); line-height: 1.2; margin-bottom: clamp(16px, 2.6vh, 26px); }
.devise em { font-style: italic; }
.heros .surtitre { display: inline-block; color: var(--or-clair); opacity: 0.9; font-size: 10.5px; letter-spacing: 0.5em; }
.heros .logo-heros { line-height: 0.95; margin-bottom: 26px; }
.heros h1 em { font-style: italic; }
.heros .intro { max-width: 520px; margin: 0 auto clamp(26px, 4vh, 40px); color: var(--ivoire-doux); font-size: clamp(15px, 1.4vw, 16.5px); line-height: 1.85; }
.actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.descendre { position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; z-index: 2; }
.descendre::after { content: ""; width: 1px; height: 48px; background: linear-gradient(var(--or), transparent); animation: goutte 2.8s var(--lent) infinite; transform-origin: top; }
@keyframes goutte { 0% { transform: scaleY(0); opacity: 1; } 70% { transform: scaleY(1); opacity: 1; } 100% { transform: scaleY(1); opacity: 0; } }

/* --------------------------------------------------------------- boutons */
.bouton { position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 14px; height: 56px; padding: 0 40px; font-size: 10.5px; letter-spacing: 0.36em;
  border: 1px solid var(--filet-fort); color: var(--ivoire); overflow: hidden; isolation: isolate; transition: color 0.7s var(--lent), border-color 0.7s var(--lent); }
.bouton::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(100deg, #cdb084, #ecdcbc 50%, #cdb084);
  transform: scaleX(0); transform-origin: left; transition: transform 0.8s var(--lent); }
.bouton:hover { color: var(--nuit); border-color: var(--or-clair); }
.bouton:hover::before { transform: scaleX(1); }
.bouton.or { border-color: rgba(236, 220, 188, 0.7); color: var(--or-clair); }
.bouton.or:hover { color: var(--nuit); border-color: var(--or-clair); }
.lien { display: inline-flex; align-items: center; gap: 14px; color: var(--ivoire); font-size: 11.5px; }
.lien .trait { width: 28px; height: 1px; background: var(--or); transition: width 0.5s var(--lent); }
.lien:hover .trait { width: 56px; }

/* -------------------------------------------------------------- sections */
section { position: relative; padding: 150px 0; }
h2 { font-family: var(--serif); font-weight: 300; font-size: clamp(42px, 5.6vw, 84px); line-height: 1.02; letter-spacing: -0.01em; }
h2 em { font-style: italic; }
.chapeau { display: grid; grid-template-columns: 1.1fr 1fr; gap: 60px; align-items: end; margin-bottom: 90px; }
.chapeau h2 { margin-top: 26px; }
.chapeau p { color: var(--ivoire-doux); max-width: 440px; justify-self: end; }

/* ----------------------------------------------------------- collection */
.collection { display: grid; grid-template-columns: repeat(2, 1fr); gap: 34px; }
.oeuvre { position: relative; display: flex; flex-direction: column; }
.oeuvre .visuel { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: #000; }
.oeuvre .visuel img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.02); transition: transform 2s var(--lent), filter 2s var(--lent); filter: grayscale(0.85) sepia(0.28) brightness(0.88) contrast(1.05); }
.oeuvre:hover .visuel img { transform: scale(1.06); filter: none; }
.oeuvre .visuel::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgba(6, 7, 11, 0.65)); }
.oeuvre .visuel .cadre-or { position: absolute; inset: 14px; border: 1px solid rgba(236, 220, 188, 0); transition: border-color 0.9s var(--lent), inset 0.9s var(--lent); z-index: 1; }
.oeuvre:hover .visuel .cadre-or { border-color: rgba(236, 220, 188, 0.45); inset: 20px; }
.oeuvre .numero { position: absolute; left: 26px; bottom: 22px; z-index: 2; font-family: var(--serif); font-style: italic; font-size: 22px; color: var(--or-clair); }
.oeuvre .texte { padding: 34px 4px 0; display: flex; flex-direction: column; gap: 16px; flex: 1; }
.oeuvre .categorie { color: var(--or); font-size: 11px; letter-spacing: 0.32em; text-transform: uppercase; font-weight: 500; }
.oeuvre h3 { font-family: var(--serif); font-weight: 300; font-size: clamp(40px, 4vw, 56px); line-height: 1; }
.oeuvre p { color: var(--ivoire-doux); }
.oeuvre .details { display: flex; flex-wrap: wrap; gap: 8px 22px; color: var(--ivoire-faible); font-size: 13px; }
.oeuvre .details span::before { content: ""; display: inline-block; width: 4px; height: 4px; border-radius: 50%; background: var(--or); margin-right: 10px; vertical-align: 3px; }
.oeuvre .bas { margin-top: auto; padding-top: 26px; border-top: 1px solid var(--filet); display: flex; flex-direction: column; align-items: flex-start; gap: 20px; }
.prix { font-family: var(--serif); font-size: 26px; font-weight: 300; }
.prix small { font-family: var(--sans); font-size: 12px; color: var(--ivoire-faible); letter-spacing: 0.08em; margin-left: 6px; }
.oeuvre .liens { display: flex; gap: 30px; flex-wrap: wrap; }
.prochainement { grid-column: 1 / -1; display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 46px 0; border-top: 1px solid var(--filet); border-bottom: 1px solid var(--filet); margin-top: 26px; flex-wrap: wrap; }
.prochainement p { font-family: var(--serif); font-size: clamp(26px, 3vw, 36px); font-weight: 300; }
.prochainement span { color: var(--ivoire-faible); }

/* ---------------------------------------------------------- engagements */
.engagements { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--filet); }
.engagement { padding: 46px 34px 0 0; }
.engagement + .engagement { padding-left: 34px; border-left: 1px solid var(--filet); }
.engagement .chiffre-romain { font-family: var(--serif); font-style: italic; font-size: 30px; color: var(--or); margin-bottom: 26px; display: block; }
.engagement h3 { font-family: var(--serif); font-weight: 300; font-size: 30px; line-height: 1.1; margin-bottom: 14px; }
.engagement p { color: var(--ivoire-doux); font-size: 15.5px; }

/* --------------------------------------------------------------- studio */
.studio { text-align: center; overflow: hidden; }
.studio::before { content: ""; position: absolute; left: 50%; top: 50%; width: 900px; height: 900px; transform: translate(-50%, -50%); z-index: -1;
  background: radial-gradient(circle, rgba(205, 176, 132, 0.10), transparent 60%); }
.citation { font-family: var(--serif); font-weight: 300; font-style: italic; font-size: clamp(30px, 4vw, 54px); line-height: 1.22; max-width: 980px; margin: 38px auto 44px; }
.citation .guillemet { color: var(--or); }
.signature { color: var(--ivoire-doux); }
.signature strong { display: block; font-weight: 400; color: var(--ivoire); font-size: 15px; letter-spacing: 0.18em; text-transform: uppercase; margin-bottom: 6px; }
.repere { display: flex; justify-content: center; gap: 60px; margin-top: 80px; flex-wrap: wrap; }
.repere div { min-width: 160px; }
.repere b { display: block; font-family: var(--serif); font-weight: 300; font-size: 48px; line-height: 1; margin-bottom: 10px; }
.repere span { color: var(--ivoire-faible); font-size: 12px; letter-spacing: 0.26em; text-transform: uppercase; }

/* ----------------------------------------------------------- pied de page */
.pied-page { border-top: 1px solid var(--filet); padding: 46px 0 54px; color: var(--ivoire-faible); font-size: 11px; }
.pied-page .conteneur { display: flex; justify-content: space-between; align-items: center; gap: 22px; flex-wrap: wrap; }
.pied-page nav { display: flex; gap: 30px; flex-wrap: wrap; }
.pied-page a:hover { color: var(--ivoire); }

/* ------------------------------------------- pages de texte (Ordalis, légal) */
.page-texte { padding: 170px 0 60px; }
.page-texte .conteneur { max-width: 820px; }
.page-texte h1 { font-family: var(--serif); font-weight: 300; font-size: clamp(48px, 7vw, 92px); line-height: 1; margin: 18px 0 20px; }
.page-texte h2 { font-size: 34px; margin: 56px 0 14px; }
.page-texte p, .page-texte li { color: var(--ivoire-doux); }
.page-texte p + p { margin-top: 12px; }
.page-texte ul { list-style: none; margin-top: 14px; }
.page-texte li { position: relative; padding-left: 24px; }
.page-texte li::before { content: ""; position: absolute; left: 2px; top: 0.72em; width: 5px; height: 5px; background: var(--or); transform: rotate(45deg); }
.page-texte img { filter: grayscale(0.85) sepia(0.28) brightness(0.88) contrast(1.05); }
.page-texte li + li { margin-top: 8px; }
.page-texte a:not(.bouton) { color: var(--ivoire); border-bottom: 1px solid var(--filet-fort); }
.page-texte .maj { color: var(--ivoire-faible); font-size: 14px; }
.fond-page { position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background: radial-gradient(90% 50% at 50% 115%, rgba(214, 148, 88, 0.22), transparent 60%), linear-gradient(180deg, #05060a, #0a0b12 60%, #15100f); }

/* ------------------------------------------------------------ apparition */
.js .apparait { opacity: 0; transform: translateY(34px); transition: opacity 1.6s var(--lent), transform 1.6s var(--lent); }
.js .apparait.visible { opacity: 1; transform: none; }
.js .apparait.d1 { transition-delay: 0.15s; } .js .apparait.d2 { transition-delay: 0.3s; } .js .apparait.d3 { transition-delay: 0.45s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .apparait { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* ---------------------------------------------------------- petits écrans */
@media (max-width: 980px) {
  .chapeau { grid-template-columns: 1fr; gap: 30px; margin-bottom: 60px; }
  .chapeau p { justify-self: start; }
  .engagements { grid-template-columns: repeat(2, 1fr); }
  .engagement:nth-child(3) { padding-left: 0; border-left: 0; }
}
@media (max-width: 760px) {
  .entete .conteneur { grid-template-columns: auto 1fr; }
  .nav.gauche { display: none; }
  .marque { flex-direction: row; gap: 12px; font-size: 17px; letter-spacing: 0.42em; }
  .marque img { height: 22px; width: auto; }
  .heros .nom-marque { letter-spacing: 0.14em; padding-left: 0.14em; }
  .ornement { gap: 14px; }
  .coin { display: none; }
  .collection { grid-template-columns: 1fr; gap: 70px; }
  .nav .lien-section { display: none; }
  section { padding: 100px 0; }
  .entete .conteneur { height: 72px; }
  .heros .contenu { padding: 120px 0 180px; }
  .repere { gap: 34px; }
}
@media (max-width: 520px) {
  .ornement::before, .ornement::after { display: none; }
  .engagements { grid-template-columns: 1fr; }
  .engagement, .engagement + .engagement { padding: 36px 0 0; border-left: 0; }
  .marque { letter-spacing: 0.34em; }
  .bouton { padding: 0 24px; }
}

/* ============================================================ sur mesure */
.offre-maison { display: grid; grid-template-columns: 1.05fr 1fr; gap: 80px; align-items: center; }
.offre-maison .texte p { color: var(--ivoire-doux); max-width: 520px; margin: 26px 0 38px; }
.offre-maison .points { list-style: none; border-top: 1px solid var(--filet); }
.offre-maison .points li { display: grid; grid-template-columns: 54px 1fr; gap: 10px; padding: 24px 0; border-bottom: 1px solid var(--filet); }
.offre-maison .points b { font-family: var(--serif); font-style: italic; font-weight: 300; font-size: 24px; color: var(--or); line-height: 1.2; }
.offre-maison .points strong { display: block; font-family: var(--serif); font-weight: 300; font-size: 26px; line-height: 1.2; color: var(--ivoire); }
.offre-maison .points span { color: var(--ivoire-faible); font-size: 14.5px; }

.page-large { padding: 170px 0 40px; }
.page-large .tete { max-width: 880px; }
.page-large h1 { font-family: var(--serif); font-weight: 300; font-size: clamp(50px, 7.4vw, 104px); line-height: 0.98; margin: 24px 0 26px; }
.page-large h1 em { font-style: italic; }
.page-large .intro { color: var(--ivoire-doux); font-size: clamp(16px, 1.5vw, 18.5px); max-width: 640px; margin-bottom: 40px; }
.page-large .actions { justify-content: flex-start; }

.realisations { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--filet); border-left: 1px solid var(--filet); }
.realisation { padding: 40px 34px 44px; border-right: 1px solid var(--filet); border-bottom: 1px solid var(--filet); transition: background 0.8s var(--lent); }
.realisation:hover { background: rgba(205, 176, 132, 0.04); }
.realisation .symbole { display: block; width: 34px; height: 34px; margin-bottom: 28px; color: var(--or); }
.realisation h3 { font-family: var(--serif); font-weight: 300; font-size: 29px; line-height: 1.12; margin-bottom: 12px; }
.realisation p { color: var(--ivoire-doux); font-size: 15px; }

.questions { max-width: 880px; border-top: 1px solid var(--filet); }
.questions details { border-bottom: 1px solid var(--filet); }
.questions summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 28px 0;
  font-family: var(--serif); font-weight: 300; font-size: clamp(22px, 2.4vw, 28px); color: var(--ivoire); }
.questions summary::-webkit-details-marker { display: none; }
.questions summary::after { content: ""; flex: none; width: 12px; height: 12px; border-right: 1px solid var(--or); border-bottom: 1px solid var(--or);
  transform: translateY(-4px) rotate(45deg); transition: transform 0.5s var(--lent); }
.questions details[open] summary::after { transform: translateY(3px) rotate(225deg); }
.questions details p { color: var(--ivoire-doux); padding: 0 0 30px; max-width: 720px; }

/* ------------------------------------------------- formulaire de projet */
.projet { scroll-margin-top: 90px; }
.assistant { position: relative; border: 1px solid var(--filet); background: linear-gradient(180deg, rgba(20, 19, 34, 0.55), rgba(10, 11, 18, 0.78));
  padding: clamp(26px, 5vw, 64px); }
.assistant::before { content: ""; position: absolute; left: -1px; right: -1px; top: -1px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--or-clair), transparent); }
.progression { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin-bottom: 54px; list-style: none; }
.progression li { position: relative; padding-top: 18px; color: var(--ivoire-faible); font-size: 10px; letter-spacing: 0.28em; text-transform: uppercase; font-weight: 500; }
.progression li::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 2px; background: var(--filet); }
.progression li::after { content: ""; position: absolute; left: 0; top: 0; height: 2px; width: 0; background: linear-gradient(90deg, var(--or-fonce), var(--or-clair)); transition: width 0.9s var(--lent); }
.progression li.faite, .progression li.active { color: var(--or-clair); }
.progression li.faite::after, .progression li.active::after { width: 100%; }
.progression li span { display: block; font-family: var(--serif); font-style: italic; font-size: 20px; letter-spacing: 0; text-transform: none; color: inherit; margin-bottom: 2px; }

.etape { border: 0; min-width: 0; display: none; }
.etape.active { display: block; animation: entree 0.9s var(--lent); }
@keyframes entree { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.etape legend { font-family: var(--serif); font-weight: 300; font-size: clamp(32px, 3.6vw, 48px); line-height: 1.05; margin-bottom: 12px; padding: 0; }
.etape legend em { font-style: italic; color: var(--or-clair); }
.etape .aide { color: var(--ivoire-doux); margin-bottom: 40px; max-width: 640px; }
.champs { display: grid; grid-template-columns: repeat(2, 1fr); gap: 36px 40px; }
.champ { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.champ.large { grid-column: 1 / -1; }
.champ > label, .champ .titre-champ { font-size: 10.5px; letter-spacing: 0.3em; text-transform: uppercase; font-weight: 500; color: var(--ivoire-doux); }
.champ .facultatif { color: var(--ivoire-faible); letter-spacing: 0.1em; text-transform: none; font-weight: 300; font-size: 12px; margin-left: 6px; }
.champ input, .champ textarea, .champ select { width: 100%; background: transparent; border: 0; border-bottom: 1px solid var(--filet-fort); color: var(--ivoire);
  font: inherit; font-size: 17px; padding: 8px 0 12px; border-radius: 0; transition: border-color 0.5s var(--lent); }
.champ select { appearance: none; -webkit-appearance: none; cursor: pointer; padding-right: 28px;
  background: linear-gradient(45deg, transparent 50%, var(--or) 50%) calc(100% - 12px) 50% / 6px 6px no-repeat,
              linear-gradient(135deg, var(--or) 50%, transparent 50%) calc(100% - 6px) 50% / 6px 6px no-repeat; }
.champ select option { background: var(--nuit-2); color: var(--ivoire); }
.champ textarea { min-height: 150px; resize: vertical; line-height: 1.6; }
.champ input::placeholder, .champ textarea::placeholder { color: var(--ivoire-faible); }
.champ input:focus, .champ textarea:focus, .champ select:focus { outline: none; border-bottom-color: var(--or-clair); }
.champ .compteur { align-self: flex-end; color: var(--ivoire-faible); font-size: 12px; margin-top: -6px; }
.erreur { color: #e8a48a; font-size: 13px; }
.erreur:empty { display: none; }
.champ.invalide input, .champ.invalide textarea, .champ.invalide select { border-bottom-color: #e8a48a; }

.puces { display: flex; flex-wrap: wrap; gap: 10px; }
.puce { position: relative; }
.puce input { position: absolute; opacity: 0; pointer-events: none; }
.puce span { display: inline-flex; align-items: center; gap: 11px; padding: 12px 20px; border: 1px solid var(--filet-fort); color: var(--ivoire-doux);
  font-size: 14px; cursor: pointer; transition: border-color 0.4s var(--lent), color 0.4s var(--lent), background 0.4s var(--lent); user-select: none; }
.puce span::before { content: ""; width: 7px; height: 7px; border: 1px solid var(--ivoire-faible); transform: rotate(45deg); transition: background 0.4s var(--lent), border-color 0.4s var(--lent); }
.puce:hover span { border-color: var(--or); color: var(--ivoire); }
.puce input:checked + span { border-color: var(--or-clair); color: var(--or-clair); background: rgba(205, 176, 132, 0.09); }
.puce input:checked + span::before { background: var(--or-clair); border-color: var(--or-clair); }
.puce input:focus-visible + span { outline: 1px solid var(--or); outline-offset: 3px; }

/* Créneaux d'appel : les prochains jours ouvrés */
.jours { display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; }
.jour { border: 1px solid var(--filet); padding: 14px 10px 10px; display: flex; flex-direction: column; gap: 8px; }
.jour .date { text-align: center; line-height: 1.2; margin-bottom: 4px; }
.jour .date small { display: block; color: var(--ivoire-faible); font-size: 10px; letter-spacing: 0.26em; text-transform: uppercase; font-weight: 500; }
.jour .date b { display: block; font-family: var(--serif); font-weight: 300; font-size: 30px; color: var(--ivoire); }
.jour .date i { display: block; font-style: normal; color: var(--ivoire-faible); font-size: 12px; }
.creneau { border: 1px solid var(--filet-fort); background: transparent; color: var(--ivoire-doux); font: inherit; font-size: 12.5px; line-height: 1.3; padding: 9px 4px; cursor: pointer;
  transition: border-color 0.4s var(--lent), color 0.4s var(--lent), background 0.4s var(--lent); }
.creneau small { display: block; font-size: 11px; color: inherit; opacity: 0.75; }
.creneau:hover { border-color: var(--or); color: var(--ivoire); }
.creneau[aria-pressed="true"] { border-color: var(--or-clair); color: var(--nuit); background: linear-gradient(100deg, #cdb084, #ecdcbc 50%, #cdb084); }
.creneau:disabled { opacity: 0.3; cursor: not-allowed; }
.choisis { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; min-height: 40px; align-items: center; color: var(--ivoire-faible); font-size: 14px; }
.choisis .pastille { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--or); color: var(--or-clair); padding: 7px 8px 7px 14px; font-size: 13px; }
.choisis .pastille button { background: none; border: 0; color: var(--ivoire-doux); font-size: 17px; line-height: 1; cursor: pointer; padding: 0 6px; }
.choisis .pastille button:hover { color: var(--ivoire); }
.fuseau { color: var(--ivoire-faible); font-size: 13px; margin-top: 14px; }
.case { display: flex; gap: 14px; align-items: flex-start; color: var(--ivoire-doux); font-size: 15px; cursor: pointer; }
.case input { appearance: none; -webkit-appearance: none; flex: none; width: 18px; height: 18px; margin-top: 4px; border: 1px solid var(--filet-fort); cursor: pointer; display: grid; place-content: center; }
.case input::after { content: ""; width: 8px; height: 8px; background: var(--or-clair); transform: rotate(45deg) scale(0); transition: transform 0.3s var(--lent); }
.case input:checked { border-color: var(--or-clair); }
.case input:checked::after { transform: rotate(45deg) scale(1); }
.case a { color: var(--ivoire); border-bottom: 1px solid var(--filet-fort); }

.recap { display: grid; grid-template-columns: 210px 1fr; border-top: 1px solid var(--filet); margin-bottom: 34px; }
.recap dt, .recap dd { padding: 16px 0; border-bottom: 1px solid var(--filet); }
.recap dt { color: var(--ivoire-faible); font-size: 10.5px; letter-spacing: 0.28em; text-transform: uppercase; font-weight: 500; padding-top: 21px; }
.recap dd { color: var(--ivoire); white-space: pre-line; overflow-wrap: anywhere; }
.recap .modifier { background: none; border: 0; color: var(--or); font: inherit; font-size: 10.5px; letter-spacing: 0.24em; text-transform: uppercase; font-weight: 500; cursor: pointer; margin-left: 14px; }

.navigation-etapes { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-top: 54px; padding-top: 34px; border-top: 1px solid var(--filet); flex-wrap: wrap; }
.navigation-etapes .precedent { background: none; border: 0; color: var(--ivoire-doux); font: inherit; font-size: 10.5px; letter-spacing: 0.34em; text-transform: uppercase; font-weight: 500; cursor: pointer; padding: 10px 0; }
.navigation-etapes .precedent:hover { color: var(--ivoire); }
.navigation-etapes .precedent.cache { visibility: hidden; }
.navigation-etapes .bouton { cursor: pointer; background: none; font-family: var(--sans); font-weight: 500; }
.navigation-etapes .bouton[disabled] { opacity: 0.5; cursor: progress; }
.piege { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.resultat { display: none; text-align: center; padding: 30px 0 10px; }
.resultat.visible { display: block; animation: entree 1s var(--lent); }
.resultat .sceau-ok { width: 70px; height: 70px; margin: 10px auto 40px; border: 1px solid var(--or); transform: rotate(45deg); display: grid; place-content: center; }
.resultat .sceau-ok::after { content: ""; width: 12px; height: 22px; border-right: 1px solid var(--or-clair); border-bottom: 1px solid var(--or-clair); transform: rotate(0deg) translate(-1px, -3px); }
.resultat h3 { font-family: var(--serif); font-weight: 300; font-size: clamp(36px, 4vw, 54px); line-height: 1.05; margin-bottom: 18px; }
.resultat h3 em { font-style: italic; color: var(--or-clair); }
.resultat p { color: var(--ivoire-doux); max-width: 580px; margin: 0 auto; }
.resultat .actions { margin-top: 34px; }

@media (max-width: 980px) {
  .offre-maison { grid-template-columns: 1fr; gap: 50px; }
  .realisations { grid-template-columns: repeat(2, 1fr); }
  .jours { grid-template-columns: repeat(6, minmax(112px, 1fr)); overflow-x: auto; padding-bottom: 10px; }
}
@media (max-width: 760px) {
  .page-large { padding: 130px 0 20px; }
  .realisations { grid-template-columns: 1fr; }
  .champs { grid-template-columns: 1fr; gap: 30px; }
  .progression { gap: 8px; margin-bottom: 40px; }
  .progression li { font-size: 0; letter-spacing: 0; }
  .progression li span { font-size: 17px; }
  .recap { grid-template-columns: 1fr; }
  .recap dt { border-bottom: 0; padding-bottom: 0; }
  .recap dd { padding-top: 6px; }
  .navigation-etapes { flex-direction: column-reverse; align-items: stretch; }
  .navigation-etapes .bouton { width: 100%; }
}
.champ > label.case { font-size: 15px; letter-spacing: normal; text-transform: none; font-weight: 300; color: var(--ivoire-doux); }
.etape legend:focus, .resultat:focus { outline: none; }
@media (max-width: 760px) {
  .jours { grid-template-columns: 1fr; overflow: visible; padding-bottom: 0; gap: 8px; }
  .jour { display: grid; grid-template-columns: 58px 1fr 1fr; align-items: center; gap: 8px; padding: 8px 10px; }
  .jour .date { margin: 0; }
  .jour .date b { font-size: 24px; }
}
/* Remplissage automatique du navigateur : pas de fond clair imposé, le champ reste dans le design */
.assistant { color-scheme: dark; }
.champ input:-webkit-autofill, .champ input:-webkit-autofill:hover, .champ input:-webkit-autofill:focus,
.champ textarea:-webkit-autofill, .champ select:-webkit-autofill {
  -webkit-text-fill-color: var(--ivoire); caret-color: var(--ivoire);
  -webkit-box-shadow: 0 0 0 1000px #0f1018 inset; box-shadow: 0 0 0 1000px #0f1018 inset;
  transition: background-color 600000s 0s, color 600000s 0s; }
.champ input:autofill, .champ select:autofill { background: transparent; color: var(--ivoire); }
/* Calendrier : chaque jour dans la colonne de son jour de la semaine (lundi à samedi) */
.jour { grid-column: var(--colonne, auto); }
@media (max-width: 760px) { .jour { grid-column: auto; } }

/* ------------------------------------------------ le studio : le fondateur */
.studio .studio-grille { display: grid; grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr); gap: clamp(50px, 7vw, 110px); align-items: center; text-align: left; }
.portrait { position: relative; margin: 0; }
.portrait img { width: 100%; height: auto; aspect-ratio: 4 / 5; object-fit: cover; }
.portrait .cadre-or { position: absolute; inset: 18px; border: 1px solid rgba(236, 220, 188, 0.28); pointer-events: none; transition: inset 1.2s var(--lent), border-color 1.2s var(--lent); }
.portrait:hover .cadre-or { inset: 26px; border-color: rgba(236, 220, 188, 0.5); }
/* La ligne d'horizon de Qyntiv traverse le portrait et se prolonge vers le texte */
.portrait::after { content: ""; position: absolute; left: -6%; right: -22%; top: 71%; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(236, 220, 188, 0.75) 22%, #fff6e3 50%, rgba(236, 220, 188, 0.4) 80%, transparent);
  box-shadow: 0 0 14px 1px rgba(255, 230, 190, 0.25); }
.portrait figcaption { position: absolute; left: 34px; bottom: 30px; font-family: var(--serif); font-style: italic; font-size: 20px; color: var(--or-clair); }
.studio .studio-texte .citation { font-size: clamp(28px, 3.1vw, 44px); margin: 30px 0 34px; max-width: none; }
.studio .studio-texte .repere { justify-content: flex-start; gap: 54px; margin-top: 56px; }
.studio .studio-texte .repere div { min-width: 0; }
.studio .studio-texte .actions { justify-content: flex-start; margin-top: 56px !important; }
@media (max-width: 980px) {
  .studio .studio-grille { grid-template-columns: 1fr; gap: 60px; }
  .portrait { max-width: 460px; }
  .portrait::after { right: -10%; }
}

/* Logiciel à venir : badge sur la carte, mention à la place du prix */
.oeuvre .bientot-badge { position: absolute; top: 22px; right: 22px; z-index: 2; padding: 8px 14px; border: 1px solid rgba(236, 220, 188, 0.6);
  color: var(--or-clair); font-size: 10px; letter-spacing: 0.32em; text-transform: uppercase; font-weight: 500;
  background: rgba(6, 7, 11, 0.55); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
.prix.bientot, .prix.mention { font-style: italic; color: var(--or-clair); }
/* Le portrait se fond dans la nuit sur ses quatre côtés, quel que soit le fond : aucun bord visible */
.portrait img { -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 11%, #000 70%, transparent 100%), linear-gradient(90deg, transparent 0%, #000 13%, #000 87%, transparent 100%); mask-image: linear-gradient(180deg, transparent 0%, #000 11%, #000 70%, transparent 100%), linear-gradient(90deg, transparent 0%, #000 13%, #000 87%, transparent 100%);
  -webkit-mask-composite: source-in; mask-composite: intersect; }
/* Écrans peu hauts (portables 1366 x 768...) : le haut de page se resserre pour rester au-dessus de l'horizon */
@media (min-width: 761px) and (max-height: 860px) {
  .heros .contenu { padding-top: 86px; }
  .logo-heros { margin-bottom: 12px; }
  .logo-heros img { width: clamp(200px, 33vh, 420px); }
  .ornement { margin-bottom: 14px; }
  .devise { margin-bottom: 12px; font-size: clamp(22px, 4.2vh, 36px); }
  .heros .intro { margin-bottom: 22px; }
}

/* Réseaux sociaux du pied de page */
.reseaux { display: flex; gap: 22px; align-items: center; }
.reseaux a { display: inline-flex; width: 18px; height: 18px; color: var(--ivoire-faible); transition: color 0.4s var(--lent), transform 0.4s var(--lent); }
.reseaux a:hover { color: var(--or-clair); transform: translateY(-2px); }
.reseaux svg { width: 100%; height: 100%; }

/* Bandeau du guide gratuit, sur l'accueil : discret, après les réalisations */
section.bandeau-guide { padding: 0 0 40px; }
.bandeau-guide .cadre { display: grid; grid-template-columns: 120px minmax(0, 1fr) auto; gap: clamp(26px, 4vw, 56px); align-items: center;
  padding: clamp(28px, 3.6vw, 44px) clamp(26px, 4vw, 56px); border: 1px solid var(--filet);
  background: linear-gradient(120deg, rgba(205, 176, 132, 0.07), rgba(205, 176, 132, 0) 55%), var(--nuit-2); }
.bandeau-guide img { width: 100%; height: auto; display: block; transform: rotate(-3deg);
  box-shadow: 0 22px 44px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(236, 220, 188, 0.18); }
.bandeau-guide h2 { font-size: clamp(28px, 3vw, 40px); margin-top: 14px; }
.bandeau-guide p { color: var(--ivoire-doux); margin-top: 10px; max-width: 560px; }
@media (max-width: 760px) {
  .bandeau-guide .cadre { grid-template-columns: 1fr; text-align: left; }
  .bandeau-guide img { width: 110px; }
}