:root{--brand:#000;--accent:#f2c94c;--bg:#fff;--text:#111;--muted:#6c757d;--danger:#dc3545;--success:#198754;--border:#e5e7eb;--shadow:0 2px 12px rgba(0,0,0,.06);--container:1120px;--topbar-h:30px;--navbar-h:88px}
*,*::before,*::after{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans","Liberation Sans",sans-serif;color:var(--text);background:var(--bg)}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.container{max-width:var(--container);margin:0 auto;padding:0 16px}
.text-center{text-align:center}
.mt-2{margin-top:8px}
.mt-4{margin-top:24px}
.mt-5{margin-top:40px}
.mb-3{margin-bottom:16px}
.mb-5{margin-bottom:40px}
.py-5{padding:32px 0}
.g-3{gap:16px}
.small{font-size:.9rem}
.text-muted{color:var(--muted)}

.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;box-shadow:var(--shadow)}
.topbar{height:var(--topbar-h);background:#111;color:#fff}
.topbar-inner{display:flex;align-items:center;justify-content:center;height:100%;gap:14px;flex-wrap:wrap;font-size:.72rem}
.topbar-inner a{color:#fff}
.topbar-inner a:hover{text-decoration:underline}
.topbar-location::after{content:"•";margin-left:14px;color:#888}

.navbar{height:var(--navbar-h);background:#fff}
.navbar .inner{display:flex;align-items:center;height:100%;gap:16px}
.navbar-brand{display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:2px;font-weight:700;color:var(--text)}
.navbar-brand img{height:56px;flex:0 0 auto;width:auto;max-width:none}
.rbq-info{font-size:.65rem;line-height:1.3;font-weight:400;color:var(--muted);white-space:nowrap}
.nav{margin-left:auto;display:flex;gap:18px;align-items:center}
.nav a{padding:8px 6px;border-radius:8px}
.nav a.active{background:#000;color:#fff}
.toggler{display:none;margin-left:auto;background:transparent;border:1px solid var(--border);border-radius:8px;padding:6px 10px;cursor:pointer}

@media (max-width:768px){
  :root{--topbar-h:44px;--navbar-h:70px}
  .topbar-inner{flex-direction:column;gap:0;line-height:1.4;padding:4px 0}
  .topbar-location::after{display:none}
  .navbar-brand img{height:40px}
  .rbq-info{font-size:.58rem}
  .toggler{display:block}
  .nav{position:fixed;top:calc(var(--topbar-h) + var(--navbar-h));left:0;right:0;background:#fff;box-shadow:var(--shadow);flex-direction:column;gap:0;display:none}
  .nav a{width:100%;padding:14px 16px;border-bottom:1px solid var(--border)}
  .nav.open{display:flex}
}

.hero{position:relative;display:flex;align-items:center;justify-content:center;padding:calc(var(--topbar-h) + var(--navbar-h) + 64px) 16px 72px;text-align:center;color:#fff;background:#111}
.hero::before{content:"";position:absolute;inset:0;background:rgba(0,0,0,.55)}
.hero-content{position:relative;z-index:1;max-width:780px}
.hero h1{margin:0 0 16px;font-size:3rem}
.hero p{margin:0 0 24px;font-size:1.1rem;color:#f4f4f4}
.hero--home{background:url('images/escalier-fond.jpg') no-repeat center/cover}

@media (max-width:768px){
  .hero{padding:calc(var(--topbar-h) + var(--navbar-h) + 40px) 16px 56px}
  .hero h1{font-size:2.2rem}
}

.btn{display:inline-block;border-radius:12px;border:1px solid var(--brand);background:var(--brand);color:#fff;padding:12px 16px;font-weight:700;cursor:pointer;transition:background .2s,color .2s,border .2s}
.btn:hover{background:#222}
.btn-custom{background:var(--accent);border-color:var(--accent);color:#000}
.btn-custom:hover{background:#d8b441;color:#000}
.btn-outline-dark{background:transparent;border-color:#000;color:#000}
.btn-outline-dark:hover{background:#000;color:#fff}
.w-100{width:100%}

.section-padding{padding:48px 0}
.bg-lightgray{background:#f5f6f8}
.row{display:flex;flex-wrap:wrap;margin:-12px}
.row>div{padding:12px;flex:1 1 100%}
.img-fluid{max-width:100%;height:auto}
.rounded{border-radius:12px}
.gallery{display:flex;flex-wrap:wrap;gap:12px}
.gallery>div{flex:1 1 calc(50% - 12px)}
.gallery img{width:100%;height:280px;object-fit:cover;border-radius:12px;display:block}
blockquote{margin:0;padding:16px;border-left:4px solid var(--accent);background:#fff;box-shadow:var(--shadow);border-radius:10px;font-style:italic}

@media (min-width:768px){
  .col-md-6{flex:0 0 50%;max-width:50%}
  .col-md-4{flex:0 0 33.333%;max-width:33.333%}
  .col-md-3{flex:0 0 25%;max-width:25%}
  .gallery>div{flex:1 1 calc(25% - 12px)}
}

.hero-small{padding:calc(var(--topbar-h) + var(--navbar-h) + 32px) 0 32px;background:#111;color:#fff;text-align:center}
.hero-small h1{margin:0 0 6px;font-size:2.4rem}
.hero-small p{margin:0;color:#ddd}

@media(max-width:768px){
  .hero-small h1{font-size:2rem}
}

main{padding:32px 0}
main h2{margin-top:32px}
main h2:first-of-type{margin-top:0}
h3{margin-bottom:8px}
.form-hint{margin:0}

.form-container{max-width:720px;margin:0 auto;background:#fff;border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);padding:24px}
label{display:block;margin:0 0 6px;font-weight:600}
.form-control,.form-select,textarea{width:100%;border:1px solid var(--border);border-radius:10px;padding:10px 12px;font:inherit}
textarea{resize:vertical}
.form-check{display:flex;gap:10px;align-items:flex-start;flex-wrap:wrap}
.form-check-input{margin-top:3px}

.consent-link{width:100%;margin:4px 0 0 30px;font-size:.9rem}
.consent-link a{color:#0d6efd;text-decoration:underline}
.consent-link a:hover{color:#0a58ca}.text-danger{color:var(--danger)}

.alert{padding:12px 14px;border-radius:12px;margin-bottom:14px}
.alert-success{background:#ecf7f1;border:1px solid #cfe9db}
.alert-danger{background:#fdecef;border:1px solid #f6ccd3}
.d-none{display:none}
.invalid-feedback{display:none;color:var(--danger);margin-top:6px}
.was-validated input:invalid,
.was-validated select:invalid,
.was-validated textarea:invalid{border-color:var(--danger)}
.was-validated input:valid,
.was-validated select:valid,
.was-validated textarea:valid{border-color:var(--success)}
.was-validated input:invalid~.invalid-feedback,
.was-validated select:invalid~.invalid-feedback,
.was-validated textarea:invalid~.invalid-feedback{display:block}
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

footer{padding:40px 0;border-top:1px solid var(--border);text-align:center;margin-top:40px;background:#fafafa}
footer p{margin:8px 0}
.footer-contact{font-size:.9rem;color:var(--muted)}
.footer-contact a{color:var(--text)}
.footer-contact a:hover{text-decoration:underline}

.faq-content{max-width:820px}
.faq-content h2{margin-top:40px;margin-bottom:16px;padding-bottom:8px;border-bottom:2px solid var(--accent)}
.faq-content h2:first-of-type{margin-top:0}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);margin-bottom:12px;overflow:hidden}
.faq-item summary{position:relative;cursor:pointer;padding:16px 48px 16px 18px;list-style:none;-webkit-user-select:none;user-select:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);font-size:1.4rem;font-weight:400;color:var(--muted);transition:transform .2s}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq-item summary:hover{background:#fafafa}
.faq-item .faq-answer{padding:0 18px 18px;color:var(--text)}
.faq-item .faq-answer p{margin:0 0 10px}
.faq-item .faq-answer p:last-child{margin-bottom:0}
.faq-item .faq-answer ul{margin:0 0 10px;padding-left:20px}
.faq-item .faq-answer li{margin-bottom:4px}
.faq-cta{padding:24px 0 8px}

@media(max-width:768px){
  .faq-item summary{padding:14px 40px 14px 14px}
  .faq-item .faq-answer{padding:0 14px 16px}
}

.types-content{max-width:900px}
.types-intro{margin-bottom:8px}
.types-intro h2{font-size:1.3rem;margin-top:28px}
.types-intro h2:first-child{margin-top:0}
.types-section-title{margin:48px 0 24px;padding-bottom:8px;border-bottom:2px solid var(--accent);font-size:1.4rem}
.type-detail{display:flex;gap:24px;background:#fff;border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);padding:24px;margin-bottom:24px}
.type-detail-media{flex:0 0 220px}
.type-photo-placeholder{width:100%;aspect-ratio:4/3;background:#f0f1f3;border:2px dashed var(--border);border-radius:12px;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:.85rem;text-align:center;padding:12px}
.type-detail-body{flex:1 1 320px;min-width:0}
.type-detail-body h3{margin-top:0;margin-bottom:10px}
.type-detail-body h4{margin:16px 0 6px;font-size:1rem}
.type-detail-body ul{margin:0 0 8px;padding-left:20px}
.type-detail-body li{margin-bottom:4px}
.type-detail-body .code-note{margin-top:14px;padding:12px 14px;background:#f5f6f8;border-radius:10px;font-size:.92rem;line-height:1.5}
.types-cta{margin-top:32px;font-size:1.05rem}

@media(max-width:768px){
  .type-detail{flex-direction:column}
  .type-detail-media{flex:none}
  .type-photo-placeholder{aspect-ratio:16/9}
}