/* =========================================================================
   Osteo France Ortho — design system
   Clinical teal palette, Fraunces display + Inter body + IBM Plex Mono data
   ========================================================================= */
:root{
  --ink:#1b2436;        /* deep navy ink */
  --ink-soft:#4a536a;
  --teal-deep:#842126;  /* brand bordeaux (primary) */
  --teal:#9f1e23;       /* brand red */
  --teal-bright:#c0392f;/* brighter red accent */
  --navy:#203762;       /* brand navy */
  --navy-bright:#2f4f8f;
  --bone:#faf7f4;       /* warm ivory */
  --mist:#f0eeeb;       /* soft panel */
  --line:#e4ddd8;
  --white:#ffffff;
  --accent:#9f1e23;
  --shadow:0 1px 2px rgba(27,36,54,.05),0 8px 24px rgba(27,36,54,.07);
  --shadow-lg:0 12px 40px rgba(132,33,38,.14);
  --radius:14px;
  --radius-sm:9px;
  --maxw:1180px;
  --mono:'IBM Plex Mono',ui-monospace,Menlo,monospace;
  --serif:'Fraunces',Georgia,serif;
  --sans:'Inter',system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--sans);color:var(--ink);background:var(--bone);
  line-height:1.6;-webkit-font-smoothing:antialiased;font-size:16.5px;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.eyebrow{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--teal);margin:0 0 .6rem;font-weight:500;
}
h1,h2,h3,h4{font-family:var(--serif);font-weight:500;line-height:1.12;color:var(--ink);letter-spacing:-.01em}
h1{font-size:clamp(2.1rem,4.6vw,3.5rem)}
h2{font-size:clamp(1.6rem,3vw,2.3rem)}
em{font-style:italic;color:var(--teal-deep)}
.muted{color:var(--ink-soft)}

/* ---------- buttons ---------- */
.btn-primary,.btn-ghost{
  display:inline-flex;align-items:center;gap:.5rem;font-weight:600;font-size:.95rem;
  padding:.85rem 1.5rem;border-radius:100px;transition:.18s ease;cursor:pointer;border:1.5px solid transparent;
}
.btn-primary{background:var(--teal-deep);color:#fff;box-shadow:var(--shadow)}
.btn-primary:hover{background:var(--ink);transform:translateY(-1px);box-shadow:var(--shadow-lg)}
.btn-ghost{background:transparent;color:var(--teal-deep);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--teal-deep);background:var(--white)}

/* ---------- porte d'accès (professionnel de santé) ---------- */
.pro-gate{position:fixed;inset:0;z-index:9999;display:flex;align-items:center;justify-content:center;padding:24px;
  background:rgba(20,28,46,.72);backdrop-filter:blur(8px);animation:gateIn .25s ease}
@keyframes gateIn{from{opacity:0}to{opacity:1}}
.pro-gate-card{background:var(--bone);border-radius:22px;max-width:520px;width:100%;padding:clamp(2rem,4vw,3rem);
  text-align:center;box-shadow:0 30px 80px rgba(0,0,0,.4);border:1px solid var(--line);animation:gateCard .3s ease}
@keyframes gateCard{from{transform:translateY(12px);opacity:0}to{transform:translateY(0);opacity:1}}
.pro-gate-logo{height:54px;width:auto;margin:0 auto 1.4rem;display:block}
.pro-gate-card .eyebrow{justify-content:center}
.pro-gate-card h2{margin:.2rem 0 1rem;font-size:clamp(1.5rem,3.4vw,2rem)}
.pro-gate-text{color:var(--ink-soft);font-size:1rem;margin:0 auto 2rem;max-width:42ch}
.pro-gate-actions{display:flex;gap:.9rem;justify-content:center;flex-wrap:wrap}
.pro-gate-actions .btn-primary,.pro-gate-actions .btn-ghost{min-width:170px;justify-content:center}
@media(max-width:480px){.pro-gate-actions{flex-direction:column}.pro-gate-actions .btn-primary,.pro-gate-actions .btn-ghost{width:100%}}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(250,248,244,.86);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:2rem;height:72px}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:700}
.brand-logo{height:42px;width:auto;display:block}
.brand-mark{width:26px;height:26px;border-radius:7px;background:
  radial-gradient(circle at 30% 30%,var(--teal-bright),var(--teal-deep));
  position:relative;box-shadow:inset 0 0 0 2px rgba(255,255,255,.25)}
.brand-mark::after{content:"";position:absolute;inset:8px;border-radius:50%;border:2px solid rgba(255,255,255,.85)}
.brand-text{font-family:var(--serif);font-size:1.22rem;letter-spacing:-.02em}
.brand-text em{font-style:normal;color:var(--teal-deep);font-weight:600}
.main-nav{display:flex;gap:1.6rem;margin-left:auto;font-weight:500;font-size:.96rem}
.main-nav a{padding:.3rem 0;border-bottom:2px solid transparent;color:var(--ink-soft);transition:.15s}
.main-nav a:hover,.main-nav a.active{color:var(--ink);border-color:var(--teal-bright)}
.nav-cta{background:var(--teal-deep);color:#fff;padding:.6rem 1.15rem;border-radius:100px;font-weight:600;font-size:.9rem;transition:.18s}
.nav-cta:hover{background:var(--ink)}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;margin-left:auto;padding:9px;border:0;background:transparent;cursor:pointer}
.nav-toggle span{display:block;width:26px;height:2px;border-radius:2px;background:var(--ink);transition:transform .25s,opacity .25s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- hero ---------- */
.hero{padding:clamp(3rem,7vw,6rem) 0 clamp(2.5rem,5vw,4rem);background:
  radial-gradient(120% 90% at 85% 0%,rgba(159,30,35,.08),transparent 55%),var(--bone)}
.hero-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:3.5rem;align-items:center}
.hero-copy h1{margin:.2rem 0 1.1rem}
.hero-lead{font-size:1.13rem;color:var(--ink-soft);max-width:46ch;margin:0 0 1.8rem}
.hero-actions{display:flex;gap:.8rem;flex-wrap:wrap;margin-bottom:2.4rem}
.hero-stats{display:flex;gap:2.4rem;margin:0;padding-top:1.8rem;border-top:1px solid var(--line)}
.hero-stats dt{font-family:var(--serif);font-size:2rem;color:var(--teal-deep);line-height:1}
.hero-stats dd{margin:.35rem 0 0;font-size:.82rem;color:var(--ink-soft);max-width:14ch}
.hero-figure{position:relative;background:
  linear-gradient(160deg,var(--white),var(--mist));border:1px solid var(--line);
  border-radius:22px;padding:2.5rem;box-shadow:var(--shadow-lg);aspect-ratio:1/1;display:flex;align-items:center;justify-content:center}
.hero-figure img{max-height:100%;width:auto;filter:drop-shadow(0 14px 24px rgba(32,55,98,.18))}
.figure-tag{position:absolute;left:1.4rem;bottom:1.4rem;font-family:var(--mono);font-size:.72rem;
  background:var(--ink);color:#fff;padding:.4rem .8rem;border-radius:100px;letter-spacing:.05em}

/* ---------- sections ---------- */
.section{padding:clamp(3rem,6vw,5rem) 0}
.section-alt{background:var(--mist)}
.section-head{display:flex;align-items:flex-end;gap:1rem;flex-wrap:wrap;margin-bottom:2.2rem}
.section-head h2{margin:0}
.head-link{margin-left:auto;font-weight:600;color:var(--teal-deep);font-size:.95rem}
.head-link:hover{text-decoration:underline}

/* ---------- category grid ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.1rem}
.cat-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.6rem 1.4rem;display:flex;flex-direction:column;gap:.5rem;transition:.18s;box-shadow:var(--shadow)}
.cat-card:hover{transform:translateY(-3px);border-color:var(--teal-bright);box-shadow:var(--shadow-lg)}
.cat-icon{font-size:1.6rem;color:var(--teal-deep);line-height:1}
.cat-name{font-family:var(--serif);font-size:1.18rem}
.cat-count{font-family:var(--mono);font-size:.76rem;color:var(--ink-soft);letter-spacing:.04em}

/* ---------- product grid + cards ---------- */
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.product-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;transition:.18s;box-shadow:var(--shadow)}
.product-card:hover{transform:translateY(-3px);border-color:var(--teal-bright);box-shadow:var(--shadow-lg)}
.card-media{background:linear-gradient(160deg,var(--mist),#fff);aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;padding:1.4rem;border-bottom:1px solid var(--line)}
.card-media img{max-height:100%;width:auto;mix-blend-mode:multiply;filter:drop-shadow(0 8px 14px rgba(32,55,98,.14))}
.card-body{padding:1.15rem 1.25rem .4rem;display:flex;flex-direction:column;gap:.35rem;flex:1}
.card-cat{font-family:var(--mono);font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;color:var(--teal)}
.card-name{font-family:var(--serif);font-size:1.06rem;line-height:1.25;color:var(--ink)}
.card-sub{font-size:.82rem;color:var(--ink-soft)}
.card-go{padding:.9rem 1.25rem 1.15rem;font-weight:600;font-size:.86rem;color:var(--teal-deep)}
.product-card:hover .card-go{color:var(--ink)}

/* ---------- band CTA ---------- */
.band{background:linear-gradient(135deg,var(--navy),#16294d);color:#fff;border-radius:22px;
  padding:2.6rem 2.8rem;display:flex;align-items:center;gap:2rem;flex-wrap:wrap}
.band-copy{flex:1;min-width:280px}
.band h2{color:#fff;margin:0 0 .5rem}
.band p{margin:0;color:rgba(255,255,255,.82);max-width:60ch}
.band .btn-primary{background:var(--teal);color:#fff}
.band .btn-primary:hover{background:var(--teal-bright)}

/* ---------- page hero ---------- */
.page-hero{padding:clamp(2.5rem,5vw,4rem) 0 1.5rem;background:
  radial-gradient(100% 80% at 90% 0%,rgba(159,30,35,.07),transparent 60%)}
.page-lead{font-size:1.1rem;color:var(--ink-soft);max-width:62ch;margin-top:.6rem}
.btn-download{display:inline-flex;align-items:center;gap:.7rem;margin-top:1.4rem;
  background:var(--navy);color:#fff;font-weight:600;font-size:.95rem;padding:.85rem 1.6rem;border-radius:100px;
  transition:.18s ease;box-shadow:var(--shadow);border:1.5px solid transparent}
.btn-download:hover{background:var(--navy-bright);transform:translateY(-1px);box-shadow:var(--shadow-lg)}
.btn-download .dl-icon{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;
  border-radius:50%;background:rgba(255,255,255,.18);font-size:.85rem;line-height:1}

/* ---------- catalogue tools ---------- */
.catalogue-tools{display:flex;flex-direction:column;gap:1.1rem;margin-bottom:1rem}
#searchBox{width:100%;padding:1rem 1.3rem;border:1.5px solid var(--line);border-radius:100px;
  font-family:var(--sans);font-size:1rem;background:var(--white);transition:.15s}
#searchBox:focus{outline:none;border-color:var(--teal-bright);box-shadow:0 0 0 4px rgba(159,30,35,.12)}
.chips{display:flex;gap:.5rem;flex-wrap:wrap}
.chip{font-family:var(--sans);font-size:.85rem;font-weight:500;padding:.5rem 1rem;border-radius:100px;
  border:1.5px solid var(--line);background:var(--white);color:var(--ink-soft);cursor:pointer;transition:.15s}
.chip:hover{border-color:var(--teal-deep);color:var(--ink)}
.chip.active{background:var(--teal-deep);border-color:var(--teal-deep);color:#fff}
.result-count{font-family:var(--mono);font-size:.8rem;color:var(--ink-soft);margin:.4rem 0 2rem;letter-spacing:.04em}
.cat-section{margin-bottom:3.2rem}
.cat-section-head{display:flex;align-items:baseline;gap:.9rem;border-bottom:2px solid var(--ink);padding-bottom:.6rem;margin-bottom:1.6rem}
.cat-section-head h2{margin:0}
.cat-section-head span{font-family:var(--mono);font-size:.78rem;color:var(--ink-soft);margin-left:auto}
.subcat-head{font-family:var(--sans);font-weight:600;font-size:.82rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--teal);margin:1.8rem 0 1rem}
.no-result{text-align:center;padding:3rem;color:var(--ink-soft);font-size:1.05rem}

/* ---------- breadcrumb ---------- */
.breadcrumb{background:var(--mist);border-bottom:1px solid var(--line);font-size:.84rem;padding:.8rem 0}
.breadcrumb a{color:var(--teal-deep)}
.breadcrumb a:hover{text-decoration:underline}
.breadcrumb span{color:var(--ink-soft);margin:0 .3rem}
.breadcrumb .current{color:var(--ink);font-weight:500}

/* ---------- product page ---------- */
.product-top{padding:clamp(2rem,4vw,3.4rem) 0}
.product-top-grid{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:start}
.product-gallery{position:sticky;top:96px;background:linear-gradient(160deg,var(--white),var(--mist));
  border:1px solid var(--line);border-radius:20px;padding:2.6rem;display:flex;align-items:center;justify-content:center;
  aspect-ratio:1/1;box-shadow:var(--shadow)}
.product-gallery img{max-height:100%;width:auto;mix-blend-mode:multiply;filter:drop-shadow(0 16px 28px rgba(32,55,98,.18))}
.product-intro h1{margin:.3rem 0 .7rem}
.product-sub{font-family:var(--mono);font-size:.95rem;color:var(--teal-deep);background:var(--mist);
  display:inline-block;padding:.4rem .9rem;border-radius:8px;margin:0 0 1.2rem}
.product-en{font-size:.86rem;color:var(--ink-soft);margin:0 0 1.6rem}
.product-en span{font-family:var(--mono);color:var(--ink)}
.product-actions{display:flex;gap:.8rem;flex-wrap:wrap;margin-bottom:1.8rem}
.product-meta{list-style:none;padding:1.4rem 0 0;margin:0;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:.7rem}
.product-meta li{display:flex;justify-content:space-between;font-size:.92rem;border-bottom:1px dashed var(--line);padding-bottom:.7rem}
.product-meta span{color:var(--ink-soft);font-family:var(--mono);font-size:.78rem;letter-spacing:.04em;text-transform:uppercase}

.block-title{font-size:1.3rem;margin:0 0 1.1rem}
.ref-table-wrap{margin-bottom:2.6rem}
.ref-table{width:100%;border-collapse:collapse;font-family:var(--mono);font-size:.86rem;background:var(--white);
  border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden}
.ref-table thead{background:var(--ink);color:#fff}
.ref-table th{text-align:left;padding:.7rem 1rem;font-weight:500;letter-spacing:.06em;font-size:.74rem;text-transform:uppercase}
.ref-table td{padding:.62rem 1rem;border-top:1px solid var(--line);color:var(--ink)}
.ref-table tbody tr:nth-child(even){background:var(--mist)}
.ref-table tbody tr:hover{background:rgba(159,30,35,.07)}

.docs-block{margin-bottom:1rem}
.docs-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.6rem}
.docs-list a{display:flex;align-items:center;justify-content:space-between;gap:1rem;background:var(--white);
  border:1px solid var(--line);border-radius:var(--radius-sm);padding:.9rem 1.2rem;font-weight:500;font-size:.92rem;transition:.15s}
.docs-list a:hover{border-color:var(--teal-bright);color:var(--teal-deep);transform:translateX(2px)}
.docs-list span{color:var(--teal)}

/* ---------- contact block ---------- */
.contact-block{display:grid;grid-template-columns:.9fr 1.1fr;gap:3rem;align-items:start;
  background:var(--white);border:1px solid var(--line);border-radius:22px;padding:clamp(1.8rem,3vw,2.8rem);box-shadow:var(--shadow)}
.contact-copy h2{margin:.2rem 0 .8rem}
.contact-copy p{color:var(--ink-soft);margin:0 0 1.2rem}
.contact-points{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.6rem}
.contact-points li{position:relative;padding-left:1.6rem;font-size:.92rem}
.contact-points li::before{content:"";position:absolute;left:0;top:.5rem;width:9px;height:9px;border-radius:50%;
  background:radial-gradient(circle at 30% 30%,var(--teal-bright),var(--navy))}
.contact-form{display:flex;flex-direction:column;gap:1rem}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.contact-form label{font-size:.82rem;font-weight:600;color:var(--ink);display:flex;flex-direction:column;gap:.4rem}
.contact-form label:not(.consent){display:block}
.contact-form label:not(.consent) input,.contact-form label:not(.consent) textarea{display:block;width:100%;margin-top:.4rem}
.contact-form label span{color:var(--teal-deep);margin-left:.15em}
.contact-form input,.contact-form textarea{font-family:var(--sans);font-size:.95rem;padding:.8rem 1rem;
  border:1.5px solid var(--line);border-radius:10px;background:var(--bone);transition:.15s;font-weight:400;color:var(--ink)}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--teal-bright);background:#fff;box-shadow:0 0 0 4px rgba(159,30,35,.1)}
.contact-form textarea{resize:vertical;min-height:96px}
.consent{flex-direction:row!important;align-items:flex-start;gap:.6rem;font-weight:400!important;font-size:.84rem!important;color:var(--ink-soft)}
.consent input{width:18px;height:18px;flex-shrink:0;margin-top:.1rem}
.contact-form .btn-primary{justify-content:center;margin-top:.3rem}
.form-note{font-size:.78rem;color:var(--ink-soft);margin:.2rem 0 0;text-align:center}
.hp{position:absolute;left:-9999px}

/* ---------- contact info cards ---------- */
.contact-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1.1rem}
.info-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem;box-shadow:var(--shadow)}
.info-card h3{font-size:1.05rem;margin:0 0 .5rem}
.info-card a{color:var(--teal-deep);font-weight:600}
.info-card p{margin:0;color:var(--ink-soft);font-size:.92rem}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);margin-top:2rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:2.5rem;padding:3.2rem 24px 2.4rem}
.footer-brand .brand-text{color:#fff;font-size:1.3rem}
.footer-logo{height:46px;width:auto;display:block;margin-bottom:.4rem}
.footer-brand .brand-text em{color:var(--teal-bright)}
.footer-brand p{margin:.8rem 0 0;font-size:.9rem;max-width:42ch}
.site-footer h4{color:#fff;font-family:var(--sans);font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;margin:0 0 1rem;font-weight:600}
.site-footer ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.6rem}
.site-footer a{font-size:.9rem;transition:.15s}
.site-footer a:hover{color:#fff}
.footer-legal{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);padding:1.4rem 24px;font-size:.78rem;color:rgba(255,255,255,.5)}

/* ---------- responsive ---------- */
@media(max-width:980px){
  .hero-inner{grid-template-columns:1fr;gap:2.5rem}
  .hero-figure{max-width:420px;order:-1}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .product-grid{grid-template-columns:repeat(2,1fr)}
  .product-top-grid{grid-template-columns:1fr;gap:2rem}
  .product-gallery{position:static;max-width:460px}
  .contact-block{grid-template-columns:1fr;gap:2rem}
  .footer-grid{grid-template-columns:1fr 1fr}
  .contact-cards{grid-template-columns:1fr}
}
@media(max-width:620px){
  .header-inner{gap:1rem}
  .nav-toggle{display:flex}
  .nav-cta{display:none}
  .main-nav{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;margin-left:0;
    background:var(--bone);border-bottom:1px solid var(--line);box-shadow:0 10px 24px rgba(27,36,54,.08);padding:.4rem 0}
  .main-nav.open{display:flex}
  .main-nav a{padding:.9rem 1.6rem;border-bottom:0;border-left:3px solid transparent;font-size:1.02rem;color:var(--ink)}
  .main-nav a.active,.main-nav a:hover{border-color:transparent;border-left-color:var(--teal-bright);background:rgba(132,33,38,.05)}
  .cat-grid,.product-grid{grid-template-columns:1fr}
  .field-row{grid-template-columns:1fr}
  .hero-stats{gap:1.4rem}
  .footer-grid{grid-template-columns:1fr}
  .band{padding:2rem 1.6rem}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
:focus-visible{outline:3px solid var(--teal-bright);outline-offset:2px;border-radius:4px}

/* Introductions par famille (catalogue) */
.cat-intro{max-width:62ch;margin:-.4rem 0 2rem;padding-left:1rem;border-left:3px solid var(--navy)}
.cat-intro p{color:var(--ink-soft);font-size:.97rem;line-height:1.7;margin:0 0 .7rem}
.cat-intro p:last-child{margin-bottom:0}
.cat-intro strong{color:var(--ink);font-weight:600}

/* FAQ (accueil) */
.faq{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:.7rem}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--white);overflow:hidden}
.faq-item summary{cursor:pointer;list-style:none;padding:1.05rem 1.3rem;font-family:var(--serif);font-size:1.06rem;font-weight:600;color:var(--navy);display:flex;justify-content:space-between;align-items:center;gap:1rem}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-family:var(--sans);font-size:1.4rem;color:var(--teal);transition:transform .2s;line-height:1}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item summary:hover{color:var(--teal-deep)}
.faq-a{padding:0 1.3rem 1.15rem}
.faq-a p{margin:0;color:var(--ink-soft);line-height:1.7;font-size:.97rem}

/* Anti-flash porte d_acces (externalise depuis le <style> inline pour CSP stricte) */
html.gate-passed .pro-gate{display:none!important}