/* ===== Brainsa - QI++ · cover site styles ===== */
:root{
  color-scheme:light only; /* empeche le mode sombre auto du navigateur de tinter les fonds */
  --bg:#f2f2f2;
  --ink:#2b2b2b;
  --muted:#5c5c5c;
  --accent:#c0392b;
  --dark:#2b2b38;
  --line:#dcdcdc;
  --serif:Georgia,'Times New Roman',serif;
  --sans:'Helvetica Neue',Arial,Helvetica,sans-serif;
}
*{box-sizing:border-box}
html,body{overflow-x:hidden;max-width:100%}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--sans);color:var(--ink);background:#fff;
  line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}

/* ===== Header / nav ===== */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);backdrop-filter:blur(6px);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.25rem;letter-spacing:1px;color:#2b2b2b}
.brand .logo{width:30px;height:30px;flex-shrink:0}
.nav-right{display:flex;align-items:center;gap:30px}
.nav ul{display:flex;gap:28px;list-style:none;margin:0;padding:0}
.nav a{font-size:.95rem;color:var(--muted);transition:color .2s}
.nav a:hover,.nav a.active{color:var(--accent)}
.nav-contact{
  display:inline-block;border:1px solid #cfcfcf;border-radius:6px;padding:8px 18px;
  font-size:.9rem;color:var(--ink)!important;background:transparent;transition:border-color .2s,color .2s;white-space:nowrap;
}
.nav-contact:hover{border-color:var(--accent);color:var(--accent)!important}
.nav-toggle{display:none;background:none;border:0;font-size:1.6rem;cursor:pointer;color:var(--ink)}

/* Home: transparent header overlaying the full-page hero */
.home .site-header{position:absolute;top:0;left:0;right:0;background:transparent;border-bottom:0;backdrop-filter:none}
.home .site-header .brand{color:#fff}
.home .site-header .nav a{color:rgba(255,255,255,.92)}
.home .site-header .nav a:hover,.home .site-header .nav a.active{color:#fff}
.home .site-header .nav-contact{border-color:rgba(255,255,255,.65);color:#fff!important}
.home .site-header .nav-contact:hover{border-color:#fff;background:rgba(255,255,255,.12)}
.home .site-header .nav-toggle{color:#fff}

/* ===== Hero ===== */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;
  text-align:center;color:#fff;overflow:hidden;
}
.hero .bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,28,45,.55),rgba(20,28,45,.45))}
.hero .inner{position:relative;z-index:2;max-width:760px;padding:40px 24px}
.hero h1{font-family:var(--serif);font-weight:500;font-size:2.8rem;line-height:1.15;margin:0 0 18px}
.hero p{font-size:1.1rem;font-weight:300;margin:0 auto 28px;max-width:600px;opacity:.95}
.btn{
  display:inline-block;background:var(--dark);color:#fff;padding:13px 30px;border:0;
  font-size:.95rem;letter-spacing:.5px;cursor:pointer;transition:background .2s;border-radius:2px;
}
.btn:hover{background:#3d3d50}
.btn-accent{background:var(--accent)}
.btn-accent:hover{background:#a5301f}

/* ===== Generic sections ===== */
section{padding:70px 0}
.section-title{font-family:var(--serif);font-weight:500;font-size:2rem;margin:0 0 26px}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.two-col.reverse .txt{order:2}
.two-col .txt p{color:var(--muted);margin:0 0 16px}
.two-col img{width:100%;border-radius:4px;object-fit:cover}
.center{text-align:center}
.narrow{max-width:720px;margin:0 auto}
.lede{color:var(--muted)}

/* ===== Carousel ===== */
.carousel{max-width:864px;margin:0 auto;position:relative}
.carousel .frame{position:relative;overflow:hidden;border-radius:6px;aspect-ratio:864/342;background:#000}
.carousel .slide{position:absolute;inset:0;opacity:0;transition:opacity .6s;width:100%;height:100%;object-fit:cover}
.carousel .slide.active{opacity:1}
.carousel button.arrow{
  position:absolute;top:50%;transform:translateY(-50%);background:rgba(0,0,0,.45);color:#fff;
  border:0;width:44px;height:44px;font-size:1.4rem;cursor:pointer;border-radius:50%;z-index:3;
}
.carousel button.prev{left:12px}.carousel button.next{right:12px}
.carousel .dots{display:flex;gap:8px;justify-content:center;margin-top:14px}
.carousel .dots span{width:9px;height:9px;border-radius:50%;background:#c9c9c9;cursor:pointer}
.carousel .dots span.active{background:var(--accent)}

/* ===== Spline cube ===== */
.spline-wrap{max-width:960px;margin:0 auto}
.spline-wrap iframe{width:100%;height:500px;border:0;border-radius:6px;background:#f7f7f7}
/* section Tester votre QI : cube à gauche, texte à droite (PC) */
.qi .spline-col iframe{width:100%;height:460px;border:0;background:transparent;display:block}
@media (max-width:820px){ .qi .spline-col iframe{height:360px} }

/* ===== Hidden text ===== */
.hidden-hint{color:#fff;text-align:center;font-size:.9rem;margin:0;padding:10px 16px}
/* révélation pilotée en JS (classe .revealed) -> fiable partout, iOS Safari inclus */
.hidden-hint.revealed{color:#141414}
.hidden-hint::selection{color:#141414;background:#b3d4fc}
.hidden-hint::-moz-selection{color:#141414;background:#b3d4fc}

/* ===== Cards (projets) ===== */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.card{position:relative;border-radius:8px;overflow:hidden;aspect-ratio:3/4;box-shadow:0 6px 20px rgba(0,0,0,.15)}
.card img{width:100%;height:100%;object-fit:cover}
.card .label{
  position:absolute;left:50%;bottom:16px;transform:translateX(-50%);
  background:rgba(20,20,25,.85);color:#fff;padding:7px 20px;border-radius:20px;font-size:.85rem;letter-spacing:.5px;
}

/* ===== Team ===== */
.team{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.member{text-align:center}
.member .photo{border-radius:8px;overflow:hidden;aspect-ratio:258/370;box-shadow:0 6px 20px rgba(0,0,0,.18);position:relative}
.member .photo img{width:100%;height:100%;object-fit:cover}
.member .photo .name{
  position:absolute;left:50%;bottom:14px;transform:translateX(-50%);
  background:rgba(20,20,25,.85);color:#fff;padding:6px 16px;border-radius:18px;font-size:.82rem;white-space:nowrap;
}

/* ===== Footer ===== */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:56px 0 40px}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1.4fr;gap:44px}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.2rem;margin-bottom:16px}
.footer-brand .logo{width:26px;height:26px}
.site-footer address{font-style:normal;color:var(--muted);line-height:1.9}
.footer-col h4{font-size:1rem;margin:0 0 14px}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col ul li{margin-bottom:8px}
.footer-col ul a{color:var(--muted)}
.footer-col ul a:hover{color:var(--accent)}
/* code postal rotors */
/* piège : le code postal doit avoir l'air 100% normal (texte brut, cliquable mais invisible) */
.zip{display:inline-flex;gap:0;margin:0;padding:0;vertical-align:baseline}
/* chiffres collés (naturels, comme "47") + curseur main pour montrer l'interaction */
.zip button{border:0;background:none;padding:0;margin:0;font:inherit;color:inherit;cursor:pointer;line-height:inherit;vertical-align:baseline;letter-spacing:inherit}
.zip button:hover{color:inherit;background:none}
/* contact form */
.contact textarea{
  width:100%;min-height:120px;border:1px solid var(--line);border-radius:4px;padding:12px;
  font-family:var(--sans);font-size:.95rem;resize:vertical;color:var(--ink);
}
.contact textarea::placeholder{color:#9a9a9a}
.contact .send{margin-top:12px;text-align:right}
.copyright{margin-top:40px;color:#9a9a9a;font-size:.85rem}

/* ===== L'ARCHE page ===== */
body.arche{background:#eef0f2}
.arche-hidden{display:none}
.gate{
  min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:40px;background:#eef0f2;
}
.gate h2{font-family:var(--serif);font-weight:500;font-size:1.8rem;margin:0 0 8px}
.gate p{color:var(--muted);margin:0 0 22px}
.gate input{padding:12px 16px;border:1px solid #bbb;border-radius:4px;font-size:1rem;min-width:240px}
.gate .row{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.gate .err{color:var(--accent);min-height:20px;margin-top:14px;font-size:.9rem}
.arche-title{font-family:var(--serif);font-weight:600;font-size:4rem;text-align:center;letter-spacing:2px;margin:50px 0 26px}
.arche-intro{text-align:center;max-width:920px;margin:0 auto 40px;padding:0 22px;color:#333}
.arche-intro p{margin:6px 0}
.arche-banner{max-width:1350px;margin:0 auto 40px;padding:0 24px}
.arche-banner img{width:100%;border-radius:14px;height:auto;object-fit:cover}
.adam-card{
  position:relative;
  max-width:680px;margin:0 auto 20px;background:var(--dark);border-radius:18px;
  border:1px solid rgba(255,255,255,.10);
  display:flex;align-items:center;gap:30px;padding:26px 40px;box-shadow:0 20px 48px rgba(0,0,0,.48);
}
.adam-card::before{content:"";position:absolute;inset:12px;border:1px solid rgba(255,255,255,.22);border-radius:12px;pointer-events:none}
.adam-card img{width:180px;height:180px;border-radius:50%;object-fit:cover;flex-shrink:0}
.adam-card .n{color:#fff;font-family:var(--serif);font-size:3rem;font-weight:600;text-align:center;flex:1}
.id-badge{
  display:inline-block;background:var(--accent);color:#fff;padding:12px 34px;border-radius:26px;
  font-weight:700;letter-spacing:.5px;margin-top:14px;
}
.guardians-title{font-family:var(--serif);font-weight:500;font-size:2.1rem;text-align:center;letter-spacing:3px;margin:46px 0 34px;color:#3a3a44}
.guardian-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:26px;max-width:1180px;margin:0 auto 60px;padding:0 24px;
}
.guardian{position:relative;background:var(--dark);border-radius:16px;padding:32px 20px 30px;text-align:center;border:1px solid rgba(255,255,255,.10);box-shadow:0 16px 40px rgba(0,0,0,.45)}
.guardian::before{content:"";position:absolute;inset:9px;border:1px solid rgba(255,255,255,.22);border-radius:10px;pointer-events:none}
.guardian .gname{color:#f3f3f3;font-family:var(--serif);font-size:1.2rem;letter-spacing:1px;margin-bottom:22px}
/* les visages ont l'air de simples images : pas de pointer, pas de hover (le clic marche quand meme) */
.guardian .gface{width:188px;height:188px;border-radius:50%;object-fit:cover;margin:0 auto 24px;cursor:default;display:block}
.guardian .id-badge{margin-top:0}

/* ===== link.html dossiers ===== */
body.plain{background:#eef0f2}
.page-head{text-align:center;padding:60px 24px 20px}
.page-head h1{font-family:var(--serif);font-weight:500;font-size:2.6rem;margin:0}
.page-head p{color:var(--muted)}
.dossier-list{max-width:820px;margin:24px auto 90px;padding:0 24px;display:flex;flex-direction:column;gap:22px}
.dossier{
  position:relative;width:100%;text-align:left;cursor:pointer;font-family:inherit;
  background:var(--dark);border:1px solid rgba(255,255,255,.10);border-radius:30px;
  box-shadow:0 16px 40px rgba(0,0,0,.45);color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 28px;
}
.dossier::before{content:"";position:absolute;inset:8px;border:1px solid rgba(255,255,255,.22);border-radius:23px;pointer-events:none}
.dossier .dtxt{display:flex;flex-direction:column;gap:7px;min-width:0}
.dossier .did{font-family:'Playfair Display',var(--serif);font-weight:700;font-size:1.5rem;letter-spacing:1px;color:#fff}
.dossier .did .dsub{font-weight:700;font-size:1.1rem}
.dossier .dclue{font-style:italic;color:#b9b9c4;font-size:1rem}
.dossier .dfolder{flex-shrink:0;width:60px;height:60px;border-radius:50%;background:var(--accent);
  display:flex;align-items:center;justify-content:center;box-shadow:0 6px 16px rgba(0,0,0,.3);transition:background .18s}
/* hover : le dossier rouge passe en foncé (comme l'original) */
.dossier:focus{outline:none}
.dossier:hover .dfolder,.dossier:focus .dfolder{background:#1c1c24}
/* titre haut de page link */
.secure-head h1{font-family:'Playfair Display',var(--serif);text-transform:uppercase;font-size:3rem;letter-spacing:4px;font-weight:700}
.secure-head p{max-width:760px;margin:14px auto 0}
@media(max-width:600px){
  .dossier{padding:18px 18px;border-radius:24px;gap:14px}
  .dossier::before{inset:7px;border-radius:18px}
  .dossier .did{font-size:1.15rem}
  .dossier .dclue{font-size:.86rem}
  .dossier .dfolder{width:48px;height:48px}
}

/* ===== page.html files ===== */
.file-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:26px;max-width:820px;margin:24px auto 80px;padding:0 24px}
.file{text-align:center;cursor:pointer;transition:transform .15s}
.file:hover{transform:translateY(-4px)}
.file .ico{font-size:3rem;color:#2f6fd6}
.file .fname{font-size:.85rem;margin-top:6px;color:var(--ink)}
.toast{
  position:fixed;left:50%;bottom:34px;transform:translateX(-50%) translateY(20px);opacity:0;
  background:#2b2b38;color:#fff;padding:12px 24px;border-radius:8px;font-size:.9rem;
  transition:opacity .3s,transform .3s;pointer-events:none;z-index:100;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ===== Simple content pages ===== */
.page-content{max-width:820px;margin:0 auto;padding:60px 24px}
.page-content h1{font-family:var(--serif);font-weight:500;font-size:2.4rem;margin:0 0 24px}
.page-content h2{font-family:var(--serif);font-weight:500;font-size:1.5rem;margin:32px 0 12px}
.page-content p{color:var(--muted);margin:0 0 16px}
/* ---- Page À propos (éditorial, chaleureux) ---- */
.apropos-hero{max-width:760px;margin:0 auto;padding:70px 24px 26px;text-align:center}
.apropos-hero .eyebrow{display:inline-block;text-transform:uppercase;letter-spacing:2.5px;font-size:.78rem;font-weight:700;color:var(--accent);margin-bottom:14px}
.apropos-hero h1{font-family:var(--serif);font-weight:600;font-size:3rem;margin:0 0 18px}
.apropos-hero .lead{font-size:1.18rem;line-height:1.7;color:#3a3a3a;margin:0 auto;max-width:680px}
.apropos-story{max-width:1120px;margin:0 auto;padding:20px 24px 90px;display:grid;grid-template-columns:0.9fr 1.1fr;gap:60px;align-items:start}
.story-media{position:sticky;top:96px}
.story-media img{width:100%;border-radius:16px;display:block;box-shadow:0 26px 55px rgba(0,0,0,.18)}
.story-media .cap{display:block;margin-top:12px;font-size:.85rem;color:var(--muted);font-style:italic;text-align:center}
.story-text h2{font-family:var(--serif);font-weight:600;font-size:2rem;margin:0 0 8px}
.story-text h2::after{content:"";display:block;width:54px;height:3px;background:var(--accent);border-radius:2px;margin:14px 0 22px}
.story-text p{color:#4a4a4a;margin:0 0 20px;line-height:1.8}
.note-callout{margin:28px 0 6px;padding:20px 24px;background:#faf3f1;border-left:4px solid var(--accent);border-radius:10px}
.note-callout strong{display:block;text-transform:uppercase;letter-spacing:1.2px;font-size:.82rem;color:var(--accent);margin-bottom:8px}
.note-callout p{margin:0 0 6px;color:#4a4a4a;line-height:1.7}
.note-callout .price{font-weight:700;color:var(--ink);margin-top:12px;font-size:1.05rem}
/* cartes projets (page Nos projets) */
.projects-grid{max-width:1120px;margin:0 auto;padding:12px 24px 90px;display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.project-card{position:relative;display:block;border-radius:16px;overflow:hidden;aspect-ratio:3/4;box-shadow:0 16px 40px rgba(0,0,0,.16);text-decoration:none}
.project-card img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.project-card:hover img{transform:scale(1.06)}
.project-card .pc-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,.80) 0%,rgba(0,0,0,.18) 46%,rgba(0,0,0,0) 72%)}
.project-card .pc-title{position:absolute;left:0;right:0;bottom:0;padding:20px 18px;color:#fff;font-family:var(--serif);font-weight:600;font-size:1.12rem;line-height:1.28}
@media(max-width:860px){
  .apropos-story{grid-template-columns:1fr;gap:30px;padding-bottom:60px}
  .story-media{position:static;max-width:380px;margin:0 auto}
  .apropos-hero h1{font-size:2.4rem}
  .projects-grid{grid-template-columns:repeat(2,1fr);gap:18px}
}
@media(max-width:520px){ .projects-grid{grid-template-columns:1fr;max-width:380px} }
/* grille L'équipe */
.team-grid{max-width:1120px;margin:0 auto;padding:12px 24px 90px;display:grid;grid-template-columns:repeat(4,1fr);gap:30px}
.team-card{display:block;text-decoration:none;text-align:center}
.team-card img{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:14px;box-shadow:0 14px 34px rgba(0,0,0,.16);transition:transform .3s,box-shadow .3s}
.team-card:hover img{transform:translateY(-5px);box-shadow:0 22px 44px rgba(0,0,0,.22)}
.team-card .tc-name{display:block;margin-top:16px;font-family:var(--serif);font-weight:600;font-size:1.25rem;color:var(--ink)}
.team-card .tc-role{display:block;margin-top:4px;color:var(--accent);font-size:.9rem;letter-spacing:.4px}
@media(max-width:860px){.team-grid{grid-template-columns:repeat(2,1fr);gap:24px}}
@media(max-width:520px){.team-grid{grid-template-columns:1fr;max-width:320px}}
/* fiches membres : photo ~40% plus petite */
.apropos-story.membre{grid-template-columns:260px 1fr;gap:52px}
@media(max-width:860px){
  .apropos-story.membre{grid-template-columns:1fr}
  .apropos-story.membre .story-media{max-width:240px}
}
.member-page{display:grid;grid-template-columns:280px 1fr;gap:40px;align-items:start}
.member-page img{border-radius:10px;width:100%}
@media(max-width:760px){.member-page{grid-template-columns:1fr}}

/* ===== Responsive ===== */
@media(max-width:900px){
  .cards,.team{grid-template-columns:repeat(2,1fr)}
  .guardian-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr}
}
@media(max-width:760px){
  /* menu burger : panneau blanc, liens foncés (meme sur la home), + Nous contacter dedans */
  .nav-right{
    position:absolute;top:70px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;gap:0;
    border-bottom:1px solid var(--line);box-shadow:0 12px 24px rgba(0,0,0,.08);display:none;padding:8px 0;z-index:60;
  }
  .nav-right.open{display:flex}
  .nav ul{position:static;flex-direction:column;gap:0;background:none;border:0;padding:0;width:100%}
  .nav ul li{padding:12px 24px}
  .nav ul a,.home .site-header .nav ul a{color:var(--ink)}
  .nav ul a.active,.home .site-header .nav ul a.active{color:var(--accent)}
  .nav ul a:hover,.home .site-header .nav ul a:hover{color:var(--accent)}
  .nav-contact{display:block;margin:10px 24px 6px;text-align:center}
  .home .site-header .nav-contact{color:var(--ink)!important;border-color:var(--line);background:none}
  .nav-toggle{display:block}
  .two-col{grid-template-columns:1fr}
  .two-col.reverse .txt{order:0}
  .hero h1{font-size:2rem}
  .arche-title{font-size:2.6rem;padding:0 16px}
  .arche-intro{padding:0 18px}
  .arche-banner{padding:0 16px}
  .arche-banner img{height:180px;object-fit:cover}
  .adam-card{flex-direction:column;padding:26px;margin-left:16px;margin-right:16px}
  .adam-card .n{font-size:2.2rem}
}
@media(max-width:520px){
  .cards,.team,.guardian-grid{grid-template-columns:1fr}
}