/* ===== Le Fil des ancêtres — feuille de style commune ===== */
:root{
  --papier:#f7f1e5;
  --papier-2:#efe5d2;
  --carte:#fffdf8;
  --encre:#2b2118;
  --encre-2:#5a4632;
  --sang:#8a2f22;
  --sang-2:#6f241a;
  --bleu:#2f4a6b;
  --filet:#d9cbb0;
  --ombre:0 2px 10px rgba(60,40,20,.08);
  --ombre-forte:0 10px 28px rgba(60,40,20,.16);
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,"Book Antiqua",Georgia,serif;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--papier);color:var(--encre);font-family:var(--sans);font-size:17px;line-height:1.65}
img{max-width:100%;height:auto;display:block}
a{color:var(--sang)}
a:hover{color:var(--sang-2)}
h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.2;color:var(--encre)}
h1{font-size:clamp(2rem,4.5vw,3.1rem);margin:.2em 0 .4em}
h2{font-size:clamp(1.6rem,3vw,2.2rem);margin:0 0 .6em}
h3{font-size:1.25rem;margin:0 0 .4em}
p{margin:0 0 1em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.section{padding:72px 0;position:relative;overflow:hidden}
.section--alt{background:var(--papier-2);border-top:1px solid var(--filet);border-bottom:1px solid var(--filet)}
.section > .wrap{position:relative;z-index:1}
.surtitre{font-family:var(--sans);font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--sang);font-weight:600;margin-bottom:.4em;display:flex;align-items:center;gap:10px}
.surtitre::before{content:"";flex:none;width:48px;height:10px;background:url(/img/deco/fleuron.svg) no-repeat left center/contain}
.centre .surtitre{justify-content:center}
.intro{font-size:1.12rem;color:var(--encre-2);max-width:46em}
.centre{text-align:center}
.centre .intro{margin-left:auto;margin-right:auto}
.note{font-size:.88rem;color:var(--encre-2)}

/* --- En-tête --- */
.entete{position:sticky;top:0;z-index:20;background:rgba(247,241,229,.96);backdrop-filter:blur(6px);border-bottom:1px solid var(--filet)}
.entete .wrap{display:flex;align-items:center;justify-content:space-between;min-height:68px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--encre);font-family:var(--serif);font-size:1.3rem;font-weight:600}
.logo svg{width:34px;height:34px;flex:none;transition:transform .4s ease}
.logo:hover svg{transform:rotate(-8deg) scale(1.08)}
.nav ul{list-style:none;margin:0;padding:0;display:flex;gap:22px;align-items:center}
.nav a{text-decoration:none;color:var(--encre);font-size:.95rem;position:relative}
.nav a:not(.btn)::after{content:"";position:absolute;left:0;right:100%;bottom:-4px;height:2px;background:var(--sang);transition:right .25s ease}
.nav a:not(.btn):hover::after,.nav a[aria-current="page"]:not(.btn)::after{right:0}
.nav a:hover,.nav a[aria-current="page"]{color:var(--sang)}
.nav-bouton{display:none;background:none;border:1px solid var(--filet);border-radius:6px;padding:6px 10px;font-size:1rem;color:var(--encre);cursor:pointer}

/* --- Boutons --- */
.btn{display:inline-block;padding:12px 22px;border-radius:6px;text-decoration:none;font-weight:600;font-size:.98rem;border:2px solid var(--sang);transition:background .15s,color .15s,transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-2px);box-shadow:var(--ombre)}
.btn--plein{background:var(--sang);color:#fff}
.btn--plein:hover{background:var(--sang-2);border-color:var(--sang-2);color:#fff}
.btn--vide{background:transparent;color:var(--sang)}
.btn--vide:hover{background:var(--sang);color:#fff}
.nav .btn{padding:8px 16px;color:#fff}
.boutons{display:flex;flex-wrap:wrap;gap:12px;margin-top:1.4em}

/* --- Bandeau d'accueil --- */
.hero{padding:80px 0 64px;position:relative;overflow:hidden;background:
  radial-gradient(ellipse at 85% 10%,rgba(138,47,34,.07),transparent 55%),
  radial-gradient(ellipse at 10% 90%,rgba(47,74,107,.07),transparent 55%),var(--papier)}
.hero::after{content:"";position:absolute;right:-40px;bottom:-30px;width:320px;height:320px;background:url(/img/deco/plume.svg) no-repeat center/contain;opacity:.14;pointer-events:none;transform:rotate(-6deg)}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;position:relative;z-index:1}
.hero h1,.hero .intro,.hero .boutons,.hero .surtitre{animation:entree .8s ease both}
.hero .intro{animation-delay:.15s}
.hero .boutons{animation-delay:.3s}
.hero-citation{font-family:var(--serif);font-style:italic;color:var(--encre-2);border-left:3px solid var(--sang);padding-left:16px;margin-top:2em;font-size:1.05rem}
.hero-visuel{background:var(--carte);border:1px solid var(--filet);border-radius:10px;padding:14px;box-shadow:var(--ombre);transform:rotate(1.2deg);transition:transform .5s ease,box-shadow .5s ease;animation:entree 1s ease .2s both}
.hero-visuel:hover{transform:rotate(0) scale(1.02);box-shadow:var(--ombre-forte)}
.hero-visuel figcaption{font-size:.82rem;color:var(--encre-2);margin-top:8px;font-style:italic}
@keyframes entree{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}

/* --- Filigranes de section (loupe) --- */
#exemple::before,#transcription::before,#indexation::before{content:"";position:absolute;right:2%;top:24px;width:200px;height:200px;background:url(/img/deco/loupe.svg) no-repeat center/contain;opacity:.10;pointer-events:none;z-index:0}

/* --- Comparateur acte / transcription --- */
.acte{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start;margin-top:28px}
.acte-image{background:var(--carte);border:1px solid var(--filet);border-radius:10px;padding:12px;box-shadow:var(--ombre);transition:box-shadow .3s}
.acte-image:hover{box-shadow:var(--ombre-forte)}
.acte-image figcaption{font-size:.82rem;color:var(--encre-2);margin-top:8px}
.onglets{display:flex;gap:6px;border-bottom:1px solid var(--filet);margin-bottom:16px;flex-wrap:wrap}
.onglet{background:none;border:none;border-bottom:3px solid transparent;padding:10px 14px;font:inherit;font-weight:600;color:var(--encre-2);cursor:pointer;transition:color .2s,border-color .2s}
.onglet:hover{color:var(--sang)}
.onglet[aria-selected="true"]{color:var(--sang);border-bottom-color:var(--sang)}
.panneau{background:var(--carte);border:1px solid var(--filet);border-radius:10px;padding:22px 24px;box-shadow:var(--ombre);animation:entree .4s ease both}
.panneau[hidden]{display:none}
.transcription{font-family:var(--serif);font-size:1.05rem;line-height:1.9;margin:0;padding-left:2.4em}
.transcription li{border-radius:4px;padding:0 6px;transition:background .2s}
.transcription li:hover{background:rgba(138,47,34,.08)}
.transcription li::marker{color:var(--filet);font-family:var(--sans);font-size:.75rem}
.resume{font-family:var(--serif);font-size:1.1rem}

/* --- Cartes de services --- */
.grille{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:32px}
.carte{background:var(--carte);border:1px solid var(--filet);border-top:3px solid var(--filet);border-radius:10px;padding:26px;box-shadow:var(--ombre);display:flex;flex-direction:column;transition:transform .25s ease,box-shadow .25s ease,border-top-color .25s ease}
.carte:hover{transform:translateY(-5px);box-shadow:var(--ombre-forte);border-top-color:var(--sang)}
.carte p{color:var(--encre-2);font-size:.97rem;flex:1}
.carte a.lien{font-weight:600;text-decoration:none;font-size:.95rem}
.carte a.lien::after{content:" →";display:inline-block;transition:transform .2s}
.carte:hover a.lien::after{transform:translateX(4px)}
.pictogramme{width:40px;height:40px;color:var(--sang);margin-bottom:12px}
.etiquette{display:inline-block;font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;background:var(--papier-2);color:var(--bleu);border-radius:4px;padding:2px 8px;margin-bottom:10px;font-weight:600;align-self:flex-start}

/* --- Atouts --- */
.atouts{display:grid;grid-template-columns:repeat(3,1fr);gap:36px;margin-top:32px}
.atout{border-left:2px solid var(--filet);padding-left:18px;transition:border-color .3s}
.atout:hover{border-left-color:var(--sang)}
.atout h3{display:flex;gap:10px;align-items:baseline}
.atout h3 span{font-family:var(--serif);color:var(--sang);font-size:1.6rem}
.atout p{color:var(--encre-2)}

/* --- Étapes --- */
.etapes{counter-reset:etape;list-style:none;padding:0;margin:32px 0 0;display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.etapes li{counter-increment:etape;background:var(--carte);border:1px solid var(--filet);border-radius:10px;padding:22px;position:relative;transition:transform .25s,box-shadow .25s}
.etapes li:hover{transform:translateY(-4px);box-shadow:var(--ombre-forte)}
.etapes li::before{content:counter(etape);font-family:var(--serif);font-size:2rem;color:var(--sang);display:block;line-height:1;margin-bottom:8px}
.etapes li p{color:var(--encre-2);font-size:.95rem;margin:0}

/* --- Présentation --- */
.portrait{display:grid;grid-template-columns:220px 1fr;gap:40px;align-items:center}
.portrait img,.portrait .cadre-vide{width:220px;height:260px;object-fit:cover;border-radius:10px;border:1px solid var(--filet);box-shadow:var(--ombre);background:var(--papier-2);transition:transform .4s,box-shadow .4s}
.portrait img:hover{transform:rotate(-1.5deg);box-shadow:var(--ombre-forte)}

/* --- Appel final --- */
.appel{background:var(--encre);color:var(--papier);border-radius:14px;padding:48px;text-align:center;position:relative;overflow:hidden}
.appel::before{content:"";position:absolute;right:-30px;bottom:-40px;width:340px;height:260px;background:url(/img/deco/arbre.svg) no-repeat center/contain;opacity:.09;pointer-events:none}
.appel::after{content:"";position:absolute;left:-40px;top:-50px;width:260px;height:200px;background:url(/img/deco/arbre.svg) no-repeat center/contain;opacity:.05;transform:rotate(180deg);pointer-events:none}
.appel > *{position:relative;z-index:1}
.appel h2{color:var(--papier)}
.appel p{color:#d8ccb8;max-width:40em;margin-left:auto;margin-right:auto}
.appel .btn--vide{color:var(--papier);border-color:var(--papier)}
.appel .btn--vide:hover{background:var(--papier);color:var(--encre)}
.appel .boutons{justify-content:center}

/* --- Pied de page --- */
.pied{background:var(--papier-2);border-top:1px solid var(--filet);padding:48px 0 28px;font-size:.92rem;color:var(--encre-2)}
.pied .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px}
.pied h4{font-family:var(--serif);color:var(--encre);font-size:1.05rem;margin:0 0 .6em}
.pied ul{list-style:none;padding:0;margin:0}
.pied li{margin-bottom:6px}
.pied a{color:var(--encre-2);text-decoration:none;transition:color .2s}
.pied a:hover{color:var(--sang)}
.pied .legal{grid-column:1/-1;border-top:1px solid var(--filet);padding-top:18px;margin-top:8px;font-size:.82rem}

/* --- Apparition au défilement (activée par main.js) --- */
.apparait{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.apparait.visible{opacity:1;transform:none}

/* --- Accessibilité --- */
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
:focus-visible{outline:3px solid var(--bleu);outline-offset:2px}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;scroll-behavior:auto !important}
  .apparait{opacity:1;transform:none}
}

/* --- Tablette & téléphone --- */
@media (max-width:960px){
  .hero .wrap,.acte{grid-template-columns:1fr}
  .grille,.atouts{grid-template-columns:1fr 1fr}
  .etapes{grid-template-columns:1fr 1fr}
  .hero-visuel{transform:none}
  .hero::after{width:220px;height:220px;opacity:.10}
}
@media (max-width:760px){
  .nav-bouton{display:block}
  .nav{position:absolute;top:68px;left:0;right:0;background:var(--papier);border-bottom:1px solid var(--filet);display:none}
  .nav.ouvert{display:block}
  .nav ul{flex-direction:column;align-items:flex-start;padding:16px 20px;gap:14px}
  .grille,.atouts,.etapes{grid-template-columns:1fr}
  .portrait{grid-template-columns:1fr}
  .pied .wrap{grid-template-columns:1fr}
  .section{padding:52px 0}
  .appel{padding:32px 20px}
  #exemple::before,#transcription::before,#indexation::before{width:120px;height:120px}
}