/* Paris Arts Classiques — feuille unique */
:root{
  --ivoire:#F7F3EB; --petrole:#14504E; --terracotta:#A8552F;
  --gris:#2B2B2B; --ivoire-clair:#FFFDF8; --petrole-clair:#1C6663;
  --trait:#D9CFBC;
  --serif-titre:Baskerville,"Libre Baskerville","Times New Roman",serif;
  --serif-texte:"Iowan Old Style",Charter,"Bitstream Charter",Georgia,serif;
  --sans:"Gill Sans","Trebuchet MS",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ivoire);color:var(--gris);
  font-family:var(--serif-texte);font-size:18px;line-height:1.65}
h1,h2,h3,h4{font-family:var(--serif-titre);color:var(--petrole);line-height:1.2}
a{color:var(--terracotta);text-decoration:none;border-bottom:1px solid rgba(168,85,47,.35)}
a:hover{border-bottom-color:var(--terracotta)}
.saut{position:absolute;left:-9999px}
.saut:focus{left:1rem;top:1rem;background:#fff;padding:.5rem;z-index:99}
.cadre{max-width:1120px;margin:0 auto;padding:0 1.4rem}

/* ---- entête : sommaire groupé (rubriques + sous-entrées) ---- */
.entete{position:sticky;top:0;z-index:40;background:var(--petrole);
  border-bottom:3px double var(--terracotta)}
.entete-in{display:flex;align-items:center;gap:1rem;justify-content:space-between;
  padding:.4rem 1.4rem}
.marque{display:flex;align-items:center;gap:.7rem;border:0;color:var(--ivoire)}
.mono{display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border:2px solid var(--terracotta);color:var(--terracotta);
  font-family:var(--sans);font-weight:700;letter-spacing:.05em;font-size:.85rem;
  background:rgba(247,243,235,.06)}
.marque-txt{font-family:var(--serif-titre);font-size:1.12rem;display:flex;flex-direction:column}
.marque-txt small{font-family:var(--sans);font-size:.62rem;letter-spacing:.08em;
  text-transform:uppercase;opacity:.75;font-weight:400}
.ouvreur{display:none}
.sommaire{display:flex;align-items:center;gap:.1rem;position:relative}
.rubrique{position:relative}
.rub-btn{font-family:var(--sans);font-size:.73rem;text-transform:uppercase;
  letter-spacing:.11em;background:none;border:0;color:var(--ivoire);
  padding:.55rem .7rem;cursor:pointer;border-bottom:3px solid transparent;white-space:nowrap}
.rub-btn:hover{color:#fff}
.rub-chev{font-size:.6rem;margin-left:.35rem;opacity:.75}
.rubrique.actif .rub-btn{border-bottom-color:var(--terracotta);color:#fff}
.rub-btn[aria-expanded="true"]{border-bottom-color:var(--terracotta);color:#fff}
.rub-panneau{position:absolute;top:100%;right:0;min-width:270px;background:var(--ivoire-clair);
  border:1px solid var(--trait);border-top:3px solid var(--terracotta);
  box-shadow:0 14px 30px rgba(20,80,78,.22);padding:.45rem 0;z-index:50}
.rub-liste{list-style:none;margin:0;padding:0}
.rub-liste a{display:block;padding:.5rem 1rem;color:var(--gris);border:0;
  font-family:var(--serif-texte);font-size:.95rem}
.rub-liste a:hover{background:#F1EADD;color:var(--petrole)}
.rub-liste a[aria-current="page"]{color:var(--terracotta);font-weight:700}

/* ---- contenu ---- */
.contenu{padding:2.2rem 0 3rem}
.contenu .cadre{border:1px solid var(--trait);border-top:4px solid var(--petrole);
  background:var(--ivoire-clair);padding:2rem 2.2rem;margin-top:1.4rem;
  box-shadow:0 2px 0 var(--trait)}
.fil{font-family:var(--sans);font-size:.72rem;text-transform:uppercase;
  letter-spacing:.1em;margin:0 0 1.2rem;color:#6b6255}
.fil a{border:0}
.disclaimer{background:#F1EADD;border-left:4px solid var(--terracotta);
  padding:.85rem 1.1rem;font-size:.92rem;margin:0 0 1.8rem;color:#4a4139}
.disclaimer strong{color:var(--terracotta)}

/* ---- hero ---- */
.hero{margin-bottom:2rem}
.sur-titre{font-family:var(--sans);text-transform:uppercase;letter-spacing:.16em;
  font-size:.72rem;color:var(--terracotta);margin:0 0 .4rem}
.hero h1{font-size:2.5rem;margin:.2rem 0 .8rem}
.chapeau{font-size:1.12rem;color:#3c3730;max-width:52ch}
.hero-actions{margin:1.2rem 0 1.6rem}
.btn-ancre{display:inline-block;background:var(--petrole);color:var(--ivoire);
  font-family:var(--sans);letter-spacing:.06em;padding:.7rem 1.3rem;border:0}
.btn-ancre:hover{background:var(--terracotta);border:0}

/* ---- éditorial deux colonnes + marginalia ---- */
.editorial{display:grid;grid-template-columns:minmax(0,1fr) 260px;
  gap:2.4rem;align-items:start}
.editorial>h1,.editorial>h2,.editorial>p,.editorial>figure,
.editorial>hr,.editorial>table,.editorial>div:not(.marginalia):not(.tableau-cadre),
.editorial>form,.editorial>h3{grid-column:1}
.marginalia{grid-column:2;background:#F1EADD;border:1px solid var(--trait);
  border-left:4px solid var(--petrole);padding:.9rem 1rem;font-size:.86rem;
  color:#4a4139;margin:.4rem 0}
.marginalia h4{margin:0 0 .35rem;font-size:.82rem;font-family:var(--sans);
  text-transform:uppercase;letter-spacing:.09em;color:var(--petrole)}
.marginalia p{margin:0}
.editorial h1{font-size:2.15rem;margin:.2rem 0 1rem}
.titre-orn{margin:2rem 0 .8rem;font-size:1.45rem}
.feuillet{margin:2.2rem 0 .7rem;font-size:1.2rem;color:var(--terracotta);
  font-family:var(--serif-titre)}
.feuillet:before{content:"";display:block;width:52px;height:2px;
  background:var(--petrole);margin-bottom:.5rem}
.lettrine:first-letter{float:left;font-family:var(--serif-titre);font-size:3.5rem;
  line-height:.82;padding:.15rem .5rem .1rem 0;color:var(--terracotta)}
.vignette{border:0;height:22px;margin:1.8rem 0;grid-column:1;
  background:
    radial-gradient(circle at center, var(--terracotta) 0 3px, transparent 3.5px) center/22px 22px no-repeat,
    linear-gradient(var(--trait),var(--trait)) left center/38% 1px no-repeat,
    linear-gradient(var(--trait),var(--trait)) right center/38% 1px no-repeat}
figure{margin:1.4rem 0}
figure img{width:100%;height:auto;display:block;border:1px solid var(--trait)}
figcaption{font-family:var(--sans);font-size:.78rem;color:#6b6255;margin-top:.4rem}
.fig-lat{float:right;width:44%;margin:.3rem 0 1rem 1.4rem}
.fig-hero{margin-top:1.4rem}

/* ---- tableau ---- */
.tableau-cadre{overflow-x:auto;border:1px solid var(--trait);margin:1.2rem 0}
.tableau{border-collapse:collapse;width:100%;font-size:.9rem;background:#fff}
.tableau caption{font-family:var(--sans);font-size:.78rem;text-transform:uppercase;
  letter-spacing:.08em;color:#6b6255;padding:.6rem;text-align:left}
.tableau th,.tableau td{border:1px solid var(--trait);padding:.6rem .7rem;text-align:left;
  vertical-align:top}
.tableau thead th{background:var(--petrole);color:var(--ivoire);font-family:var(--sans);
  font-size:.74rem;text-transform:uppercase;letter-spacing:.05em}
.tableau tbody th{background:#F1EADD;color:var(--petrole)}

/* ---- faq ---- */
.faq details{border:1px solid var(--trait);border-left:4px solid var(--petrole);
  background:#fff;margin:.6rem 0;padding:.5rem .9rem}
.faq summary{cursor:pointer;font-family:var(--serif-titre);color:var(--petrole);
  font-size:1.02rem}
.faq details[open]{background:#FCFAF4}
.faq p{margin:.6rem 0 .3rem}

/* ---- formulaire ---- */
.formulaire fieldset{border:1px solid var(--trait);padding:1rem 1.1rem;background:#fff}
.formulaire legend{font-family:var(--sans);text-transform:uppercase;font-size:.72rem;
  letter-spacing:.1em;color:var(--petrole)}
.formulaire label{display:block;font-family:var(--sans);font-size:.78rem;
  text-transform:uppercase;letter-spacing:.06em;color:#6b6255;margin-bottom:.25rem}
.formulaire input,.formulaire select,.formulaire textarea{width:100%;padding:.55rem;
  border:1px solid var(--trait);font-family:var(--serif-texte);font-size:1rem;
  background:var(--ivoire-clair)}
.formulaire button{margin-top:.9rem;background:var(--petrole);color:var(--ivoire);
  border:0;padding:.7rem 1.4rem;font-family:var(--sans);letter-spacing:.06em;cursor:pointer}
.formulaire button:hover{background:var(--terracotta)}
.form-note{font-size:.82rem;color:#6b6255}

/* ---- pied ---- */
.pied{background:var(--petrole);color:#E8E2D6;border-top:4px double var(--terracotta);
  margin-top:2rem}
.pied .cadre{padding-top:2rem;padding-bottom:1.4rem}
.pied-grille{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:1.4rem}
.pied h3,.pied h4{color:var(--ivoire);margin:.2rem 0 .5rem;font-size:.95rem}
.pied h4{font-family:var(--sans);text-transform:uppercase;letter-spacing:.08em;
  font-size:.72rem;color:#E8C9B4}
.pied ul{list-style:none;margin:0;padding:0}
.pied li{margin:.28rem 0}
.pied a{color:#E8E2D6;border:0;font-size:.86rem}
.pied a:hover{color:#fff;text-decoration:underline}
.pied p{font-size:.86rem;color:#CFC7B8}
.pied-bas{border-top:1px solid rgba(232,226,214,.25);margin-top:1.4rem;padding-top:1rem}
.pied-coord{color:#E8E2D6}

/* ---- cookies ---- */
.cookies{position:fixed;left:0;right:0;bottom:0;z-index:60;background:var(--gris);
  color:var(--ivoire);padding:.9rem 1.4rem;display:flex;gap:1rem;align-items:center;
  justify-content:space-between;flex-wrap:wrap;font-size:.88rem}
.cookies p{margin:0;max-width:70ch}
.cookies-btns{display:flex;gap:.6rem}
.cookies button{border:1px solid var(--terracotta);background:transparent;color:var(--ivoire);
  padding:.5rem 1.1rem;font-family:var(--sans);cursor:pointer}
.cookies button:hover{background:var(--terracotta)}

/* ---- mobile ---- */
@media (max-width:760px){
  body{font-size:17px}
  .entete-in{gap:.5rem;padding:.35rem .8rem}
  .mono{width:34px;height:34px;font-size:.74rem}
  .marque{gap:.5rem}
  .marque-txt{font-size:.98rem}
  .marque-txt small{display:none}
  .ouvreur{display:inline-flex;align-items:center;gap:.45rem;margin-left:auto;
    background:none;border:1px solid rgba(247,243,235,.4);color:var(--ivoire);
    font-family:var(--sans);font-size:.64rem;text-transform:uppercase;letter-spacing:.12em;
    padding:.35rem .55rem;cursor:pointer}
  .ouvreur-barres{display:inline-flex;flex-direction:column;gap:3px}
  .ouvreur-barres i{display:block;width:15px;height:2px;background:var(--ivoire)}
  .ouvreur[aria-expanded="true"]{border-color:var(--terracotta);color:#fff}
  .sommaire{display:none;position:absolute;top:100%;left:0;right:0;z-index:60;
    flex-direction:column;align-items:stretch;gap:0;max-height:74vh;overflow-y:auto;
    background:var(--petrole);border-top:1px solid rgba(247,243,235,.22);
    box-shadow:0 16px 28px rgba(0,0,0,.3)}
  .entete.ouvert .sommaire{display:flex}
  .rubrique{border-top:1px solid rgba(232,226,214,.16)}
  .rub-btn{width:100%;text-align:left;padding:.72rem .9rem;font-size:.7rem}
  .rub-chev{float:right;margin-left:0}
  .rub-panneau{position:static;min-width:0;border:0;border-left:3px solid var(--terracotta);
    box-shadow:none;background:rgba(247,243,235,.06);margin:0 0 .4rem;padding:.15rem 0}
  .rub-liste a{color:#E8E2D6;padding:.55rem 1.05rem}
  .rub-liste a:hover{background:rgba(247,243,235,.12);color:#fff}
  .contenu .cadre{padding:1.2rem 1rem}
  .editorial{grid-template-columns:1fr;gap:1rem}
  .marginalia{grid-column:1}
  .fig-lat{float:none;width:100%;margin:1.2rem 0}
  .hero h1{font-size:1.9rem}
  .pied-grille{grid-template-columns:1fr 1fr}
}