/* AVA – Alberto Venzo Architecte : feuille de style unique */
:root{--bg:#fff;--ink:#000;--mute:#6f6f6f;--line:#d8d8d8;--card:#efefef}
@media (prefers-color-scheme:dark){:root{--bg:#000;--ink:#fff;--mute:#9a9a9a;--line:#2c2c2c;--card:#121212}}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Helvetica Neue",Helvetica,Arial,sans-serif;font-size:17px;font-weight:300;line-height:1.6}
a{color:inherit}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.top{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:26px 0;border-bottom:1px solid var(--line)}
.logo{font-weight:500;font-size:24px;letter-spacing:.34em;text-decoration:none;display:flex;flex-direction:column;line-height:1}
.logo small{font-size:11px;letter-spacing:.12em;font-weight:300;color:var(--mute);margin-top:7px}
nav a{margin-left:28px;text-decoration:none;color:var(--mute);font-size:15px;letter-spacing:.03em}
nav a:hover{color:var(--ink)}
.hero{padding:72px 0 56px}
.hero h1{font-weight:200;font-size:clamp(38px,6.6vw,92px);line-height:1.04;margin:0 0 34px;letter-spacing:-.025em;max-width:17ch}
.hero p{max-width:52ch;color:var(--mute);margin:0;font-size:19px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:40px 28px;padding-bottom:40px}
.proj{display:block;text-decoration:none}
.proj h3{margin:16px 0 3px;font-size:20px;font-weight:400;letter-spacing:.01em}
.meta{color:var(--mute);font-size:15px}
/* Visuels : fond gris de remplacement, ou photo en noir et blanc */
.visuel{aspect-ratio:4/3;overflow:hidden;background-color:var(--c,#777);
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.14) 0 12%,transparent 12% 20%),repeating-linear-gradient(0deg,rgba(0,0,0,.16) 0 18%,transparent 18% 30%)}
.visuel img{width:100%;height:100%;object-fit:cover;display:block;filter:grayscale(1);transition:filter .6s}
.proj:hover .visuel img{filter:none}
.block{padding:56px 0;border-top:1px solid var(--line)}
.block.first{border-top:0}
.block h2{font-weight:300;font-size:36px;letter-spacing:-.01em;margin:0 0 20px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:48px}
.two p{margin:0 0 12px;max-width:60ch}
.back{display:inline-block;margin:28px 0 8px;color:var(--mute);text-decoration:none;font-size:15px}
.back:hover{color:var(--ink)}
footer{border-top:1px solid var(--line);padding:28px 0 40px;color:var(--mute);font-size:14px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}
@media (max-width:760px){.two,.desc{grid-template-columns:1fr;gap:20px}.gallery{grid-template-columns:1fr}nav a{margin-left:16px}.hero{padding:44px 0 36px}}
@media (prefers-reduced-motion:reduce){.visuel img{transition:none}}

/* ===== Page projet ===== */
.ptitle{padding:8px 0 4px}
.detail h1{font-weight:200;font-size:clamp(34px,5.6vw,72px);line-height:1.05;letter-spacing:-.025em;margin:8px 0 10px}
.num{color:var(--mute);margin-right:.35em}
.loc{margin:0;color:var(--mute);font-size:19px}
.cover{margin:32px 0 48px}
.cover img,.gallery img{width:100%;height:auto;display:block;filter:grayscale(1);transition:filter .6s}
.cover img:hover,.gallery img:hover{filter:none}
.lead{font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:300;max-width:34ch;margin:0 0 56px}
.body{display:grid;grid-template-columns:1.5fr 1fr;gap:64px;margin-bottom:72px;align-items:start}
.txt p{margin:0 0 18px;max-width:62ch}
.spec{margin:0;border-top:1px solid var(--ink)}
.spec div{padding:12px 0;border-bottom:1px solid var(--line)}
.spec dt{color:var(--mute);font-size:14px}
.spec dd{margin:2px 0 0;font-weight:400}
.gallery,.plans{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-bottom:16px}
.gallery figure{margin:0}
.gallery .full{grid-column:1/-1}
.plans{margin:56px 0 16px}
.plans img{width:100%;height:auto;display:block;background:#fff;border:1px solid var(--line)}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:28px;border-top:1px solid var(--line);margin-top:56px;padding:40px 0 64px}
.pager a{text-decoration:none}
.pager span{display:block;color:var(--mute);font-size:14px;margin-bottom:12px}
.pager .visuel{aspect-ratio:3/2}
.pager h3{margin:14px 0 2px;font-size:20px;font-weight:400}
.foot{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;padding:10px 0 36px;font-size:15px;color:var(--ink)}
.foot h4{font-weight:400;color:var(--mute);font-size:14px;margin:0 0 8px}
.foot p{margin:0}
.foot .copy{grid-column:1/-1;color:var(--mute);font-size:13px;margin-top:12px}
.foot a{text-decoration:none}
.foot a:hover{text-decoration:underline}
@media (max-width:760px){
  .body{grid-template-columns:1fr;gap:36px}
  .gallery,.plans,.pager{grid-template-columns:1fr}
  .gallery .full{grid-column:auto}
  .foot{grid-template-columns:1fr}
}

/* ===== Typographie : texte en Garamond, titres et libellés en Helvetica gras ===== */
:root{--serif:"EB Garamond",Garamond,"Times New Roman",Georgia,serif;--sans:"Helvetica Neue",Helvetica,Arial,sans-serif}
body{font-family:var(--serif);font-size:18px;font-weight:400;line-height:1.4}
.top{border-bottom:0}
.logo{font-family:var(--sans);font-weight:700;font-size:20px;letter-spacing:.3em}
.logo small{font-family:var(--serif);font-size:13px;letter-spacing:.03em;font-weight:400;color:var(--ink)}
nav a{font-family:var(--sans);font-weight:600;font-size:13px;letter-spacing:0;color:var(--ink)}
nav a:hover{text-decoration:underline}
.hero h1{font-weight:400;font-size:clamp(26px,3.4vw,44px);line-height:1.15;letter-spacing:-.01em;max-width:30ch}
.hero p{font-size:19px}
.proj h3{font-family:var(--sans);font-weight:600;font-size:15px;letter-spacing:0;margin:12px 0 2px}
.meta{font-size:16px}
.block h2{font-family:var(--sans);font-weight:600;font-size:18px;letter-spacing:0}
.pager h3{font-family:var(--sans);font-weight:600;font-size:15px}
.foot{font-size:16px}
.foot h4{font-family:var(--sans);font-weight:600;font-size:13px;color:var(--ink)}

/* Fiche projet, sur le modèle de la référence */
.phead{display:flex;justify-content:space-between;align-items:flex-start;gap:24px;flex-wrap:wrap;padding:28px 0 0}
.phead h1{font-family:var(--sans);font-weight:600;font-size:17px;line-height:1.25;letter-spacing:0;margin:0}
.phead .loc{font-size:18px;color:var(--ink);margin:0}
.phead .back{margin:0;font-family:var(--sans);font-weight:600;font-size:13px;color:var(--ink);white-space:nowrap}
.phead .back:hover{text-decoration:underline}
.cover{margin:28px 0 22px}
.visuel img,.cover img,.gallery img{filter:none}
.lead{font-size:clamp(21px,2.3vw,28px);line-height:1.25;font-weight:400;max-width:38em;margin:0 0 72px}
.body{display:block;margin:0 0 72px 50%}
.col{max-width:34em}
.txt p{font-size:17px;line-height:1.38;margin:0 0 12px;max-width:none}
.spec{border-top:0;margin:28px 0 0}
.spec div{border:0;padding:0;margin:0 0 10px}
.spec dt{font-family:var(--sans);font-weight:600;font-size:13px;color:var(--ink)}
.spec dd{font-size:17px;font-weight:400;margin:0}
@media (max-width:760px){.body{margin-left:0}.phead .back{white-space:normal}}

/* ===== Menu compact (trois lignes) sur petits écrans, sans JavaScript ===== */
.menu-toggle{position:absolute;opacity:0;width:1px;height:1px;pointer-events:none}
.burger{display:none;width:28px;height:20px;position:relative;cursor:pointer}
.burger span{position:absolute;left:0;width:100%;height:2px;background:var(--ink);transition:transform .25s,top .25s,opacity .2s}
.burger span:nth-child(1){top:0}
.burger span:nth-child(2){top:9px}
.burger span:nth-child(3){top:18px}
.menu-toggle:focus-visible + .burger{outline:2px solid var(--ink);outline-offset:6px}
.menu-toggle:checked + .burger span:nth-child(1){top:9px;transform:rotate(45deg)}
.menu-toggle:checked + .burger span:nth-child(2){opacity:0}
.menu-toggle:checked + .burger span:nth-child(3){top:9px;transform:rotate(-45deg)}
@media (max-width:760px){
  .top{flex-wrap:wrap;position:relative}
  .burger{display:block}
  .top nav{display:none;flex-basis:100%;order:3;flex-direction:column;margin-top:18px;border-top:1px solid var(--line);padding-top:6px}
  .top nav a{margin:0;padding:12px 0;font-size:16px}
  .menu-toggle:checked ~ nav{display:flex}
}
@media (prefers-reduced-motion:reduce){.burger span{transition:none}}

/* ===== Sous-menu, langues, réseaux sociaux, plan ===== */
.top nav{margin-left:auto}
.has-sub{position:relative;display:inline-block;margin-left:28px}
.has-sub>a{margin-left:0}
.has-sub>a::after{content:"";display:inline-block;width:5px;height:5px;border:solid currentColor;border-width:0 1.5px 1.5px 0;transform:rotate(45deg);margin:0 0 3px 7px}
.has-sub::after{content:"";position:absolute;left:0;right:0;top:100%;height:14px}
.sub{display:none;position:absolute;top:calc(100% + 10px);left:-14px;min-width:170px;background:var(--bg);border:1px solid var(--line);padding:8px 14px;z-index:5}
.has-sub:hover .sub,.has-sub:focus-within .sub{display:block}
.sub a{display:block;margin:0;padding:7px 0}
.lang{display:flex;gap:10px;align-items:center;margin-left:28px}
.flag{display:block;line-height:0;opacity:.4;transition:opacity .2s}
.flag.on,a.flag:hover{opacity:1}
.flag svg{width:24px;height:16px;display:block;outline:1px solid rgba(128,128,128,.35)}
.soc{display:flex;gap:16px}
.soc a{display:inline-flex}
.soc svg{width:22px;height:22px}
.map{margin-top:32px}
.map iframe{display:block;width:100%;height:440px;border:0;filter:grayscale(1)}
.map p{margin:10px 0 0;font-size:16px}
@media (max-width:760px){
  .lang{order:1;margin:0 18px 0 auto}
  .burger{order:2}
  .top nav{margin-left:0}
  .has-sub{display:block;margin:0}
  .has-sub>a::after{display:none}
  .has-sub::after{display:none}
  .sub{display:block;position:static;border:0;padding:0 0 0 18px;min-width:0}
  .sub a{padding:10px 0;font-size:16px}
  .map iframe{height:320px} 
}

.sub a.submenu-link {
  display: block;
  color: inherit;
  text-decoration: none !important;
  transform: scale(1);
  transform-origin: left center;
  transition: color 0.3s ease, transform 0.3s ease;
  padding: 5px 0; /* aumenta la distanza verticale */
}

/* Effetto al passaggio del mouse */
.sub a.submenu-link:hover {
  color: #999 !important;
  transform: scale(0.9);
  text-decoration: none !important;
}


/* ===== Langues en texte, flèche triangulaire de retour ===== */
.lang{gap:14px}
.flag{font-family:var(--sans);font-weight:600;font-size:13px;line-height:1;letter-spacing:.04em;color:var(--ink);text-decoration:none;opacity:.4;transition:opacity .2s}
.flag.on{opacity:1;text-decoration:underline;text-underline-offset:5px}
a.flag:hover{opacity:1}
.phead .back{display:inline-flex;align-items:center}
.phead .back::before,.pager a.all span::before{content:"";display:inline-block;width:0;height:0;border-style:solid;border-width:5px 8px 5px 0;border-color:transparent currentColor transparent transparent;margin-right:9px;opacity:.25;transition:opacity .2s}
.phead .back:hover::before,.phead .back:focus-visible::before,.pager a.all:hover span::before,.pager a.all:focus-visible span::before{opacity:1}
@media (prefers-reduced-motion:reduce){.flag,.phead .back::before,.pager a.all span::before{transition:none}}

/* ===== Page unique : défilement vers les rubriques ===== */
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
.grid,.block{scroll-margin-top:12px}
.pager a.all span{font-family:var(--sans);font-weight:600;font-size:13px;color:var(--ink);margin:0}

/* ===== Rubriques affichées au clic ; nom du projet révélé au clic sur l'image ===== */
.block{display:none;border-top:0;padding:48px 0 72px}
.block:target{display:block;animation:douce .6s ease both}
@keyframes douce{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
body:has(.block:target) .grid{display:none}
.grid{padding-top:36px}
.proj{position:relative;display:block}
.reveal{position:absolute;opacity:0;width:1px;height:1px;pointer-events:none}
.proj .visuel{display:block;position:relative;cursor:pointer}
.proj .visuel::after{content:"";position:absolute;inset:0;background:rgba(0,0,0,.45);opacity:0;transition:opacity .6s ease}
.reveal:checked + .visuel::after{opacity:1}
.reveal:focus-visible + .visuel{outline:2px solid var(--ink);outline-offset:3px}
.veil{position:absolute;z-index:2;top:50%;left:50%;transform:translate(-50%,-44%);max-width:88%;padding:14px 18px;text-align:center;color:#fff;text-decoration:none;opacity:0;visibility:hidden;transition:opacity .6s ease,transform .6s ease,visibility .6s}
.veil strong{display:block;font-family:var(--sans);font-weight:600;font-size:clamp(16px,1.6vw,20px);line-height:1.25}
.veil span{display:block;margin-top:4px;font-size:16px}
.veil:hover strong{text-decoration:underline;text-underline-offset:4px}
.reveal:checked ~ .veil{opacity:1;visibility:visible;transform:translate(-50%,-50%)}
@media (prefers-reduced-motion:reduce){.block:target{animation:none}.proj .visuel::after,.veil{transition:none}}

/* ===== Menu toujours visible, nom au survol, sous-menu transparent sans contour ===== */
html{scroll-padding-top:96px}
.top{position:sticky;top:0;z-index:50;background:var(--bg)}
.sub{border:0;background:transparent;padding:6px 0;left:0}
@media (hover:hover){
  .proj .visuel{pointer-events:none}
  .veil{top:0;left:0;width:100%;height:100%;max-width:none;padding:0;transform:none;display:flex;flex-direction:column;align-items:center;justify-content:center}
  .reveal:checked ~ .veil{transform:none}
  .proj:hover .visuel::after,.proj:focus-within .visuel::after{opacity:1}
  .proj:hover .veil,.proj:focus-within .veil{opacity:1;visibility:visible}
}
@media (max-width:760px){
  .top{max-height:100vh;overflow-y:auto}
  .sub{padding:0 0 0 18px}
}

/* ===== Sous-menu resserré, numéros de téléphone, phrase d'invitation ===== */
.has-sub::after{height:4px}
.sub{top:calc(100% + 2px);padding:0}
.sub a{padding:0;line-height:16px}
.ico{width:15px;height:15px;vertical-align:-2px;margin-right:8px}
.tel{text-decoration:none}
.tel:hover{text-decoration:underline}
.invite{margin:28px 0 0;font-size:19px}
@media (max-width:760px){
  .sub{padding:0 0 0 18px}
  .sub a{padding:10px 0;line-height:1.4}
}
.form-title{margin:48px 0 20px;font-size:1.1rem}
.contact-form{max-width:720px;display:grid;gap:18px}
.contact-form .row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.contact-form label{display:flex;flex-direction:column;gap:6px;font-size:.9rem}
.contact-form input,.contact-form select,.contact-form textarea{
  font:inherit;color:inherit;background:transparent;
  border:1px solid currentColor;border-radius:0;padding:10px 12px;width:100%;box-sizing:border-box}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{outline:2px solid currentColor;outline-offset:2px}
.contact-form .consent{flex-direction:row;align-items:flex-start;gap:10px}
.contact-form .consent input{width:auto;margin-top:3px}
.contact-form .note{margin:0;font-size:.8rem;opacity:.7}
.contact-form button{justify-self:start;font:inherit;cursor:pointer;
  background:currentColor;border:1px solid currentColor;padding:12px 28px}
.contact-form button{color:inherit;background:transparent}
.contact-form button:hover{background:#000;color:#fff}
@media(max-width:640px){.contact-form .row{grid-template-columns:1fr}}
/* ===== Titre principal (h1) : dans le pied de page ===== */
.foot .site-title{grid-column:1/-1;font-family:var(--sans);font-weight:600;font-size:13px;line-height:1.4;letter-spacing:0;margin:10px 0px 0px;max-width:none}
.half{grid-column:1/-1;margin: 25px 0 0px}