/* ===== BIFY — feuille de style des pages produit (DA héritage) ===== */
:root{
  --blue:#002B5E; --blue-deep:#001B3D;
  --sand:#efe7d6; --sand-2:#e7dcc7; --sand-3:#dccfb4;
  --paper:#f7f1e6; --cream:#fbf7ee;
  --ink:#2a2820; --ink-soft:#54513f; --grey:#857f6c;
  --stone:#a9893f; --line:#ddd2bb; --line-blue:#234a76;
  --max:1080px; --ease:cubic-bezier(.16,.84,.44,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:92px}
body{font-family:'Inter',-apple-system,system-ui,sans-serif;color:var(--ink);background:var(--paper);font-weight:300;line-height:1.72;-webkit-font-smoothing:antialiased;letter-spacing:.004em}
h1,h2,h3{font-weight:400;line-height:1.13;letter-spacing:-.006em}
.serif{font-family:'Cormorant Garamond',Georgia,serif}.italic{font-style:italic}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 38px}
.eyebrow{font-size:10.5px;letter-spacing:.34em;text-transform:uppercase;color:var(--stone);font-weight:500}

/* NAV */
header.nav{position:fixed;top:0;left:0;right:0;z-index:60;background:rgba(247,241,230,.9);backdrop-filter:saturate(150%) blur(16px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:78px;padding:0 46px}
.brand{color:var(--blue);font-size:22px;letter-spacing:.42em;font-weight:500;padding-left:.42em}
.brand small{display:block;font-size:8px;letter-spacing:.28em;color:var(--grey);font-weight:400;margin-top:3px}
nav.menu{display:flex;gap:30px;align-items:center}
nav.menu a{font-size:12.5px;color:var(--ink)}
nav.menu a:hover{color:var(--stone)}
nav.menu a.cta{background:var(--blue);color:var(--cream);padding:12px 24px;font-size:12.5px;letter-spacing:.04em;transition:.35s var(--ease)}
nav.menu a.cta:hover{opacity:.9}
@media(max-width:860px){nav.menu a:not(.cta){display:none}.nav-inner{padding:0 22px}}

.btn-solid{background:var(--blue);color:var(--cream);padding:15px 30px;font-size:13.5px;letter-spacing:.03em;transition:.35s var(--ease);display:inline-flex;align-items:center;gap:11px}
.btn-solid:hover{opacity:.9}.btn-solid::after{content:"→"}
.btn-line2{display:inline-flex;align-items:center;gap:10px;border:1px solid var(--blue);color:var(--blue);padding:12px 24px;font-size:12.5px;letter-spacing:.04em;transition:.35s var(--ease)}
.btn-line2:hover{background:var(--blue);color:var(--cream)}.btn-line2::after{content:"→"}

/* PAGE HERO */
.page-hero{padding:150px 0 40px;background:radial-gradient(120% 90% at 88% 6%,var(--sand),var(--paper) 60%)}
.crumb{font-size:11.5px;color:var(--grey);margin-bottom:22px}
.crumb a:hover{color:var(--blue)}.crumb b{color:var(--blue);font-weight:500}
.page-hero h1{font-family:'Cormorant Garamond',serif;font-size:clamp(36px,5vw,60px);color:var(--blue);line-height:1.05;margin-top:6px}
.page-hero h1 .italic{color:var(--stone)}
.page-hero .lede{font-size:17.5px;color:var(--ink-soft);max-width:44em;margin-top:24px}
.page-hero .actions{margin-top:34px;display:flex;gap:18px;flex-wrap:wrap;align-items:center}

/* SECTION */
section{padding:46px 0;position:relative}
.sec-head{max-width:42em}
.sec-head h2{font-family:'Cormorant Garamond',serif;font-size:clamp(28px,3.6vw,42px);margin-top:14px;color:var(--blue);line-height:1.12}
.sec-head h2 .italic{color:var(--stone)}
.sec-head p{color:var(--ink-soft);margin-top:18px;font-size:16px}

/* L'ESSENTIEL — points clés */
.keys{background:var(--sand)}
.kgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);margin-top:46px;border:1px solid var(--line)}
.kcard{background:var(--cream);padding:34px 30px}
.kcard h3{font-family:'Cormorant Garamond',serif;font-size:21px;color:var(--blue);margin-bottom:10px}
.kcard p{font-size:13.5px;color:var(--grey);line-height:1.6}

/* FAQ / contenu détaillé */
.faq{background:var(--paper)}
.faq .grp{margin-top:30px}
.faq .grp-lab{font-size:10.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--stone);font-weight:500;margin:34px 0 4px}
.faq details{border-top:1px solid var(--line)}
.faq .grp details:last-child{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:22px 0;display:flex;justify-content:space-between;gap:24px;align-items:baseline;font-family:'Cormorant Garamond',serif;font-size:21px;color:var(--blue)}
.faq summary::-webkit-details-marker{display:none}
.faq summary .pm{flex:0 0 auto;width:15px;height:15px;position:relative;margin-top:6px}
.faq summary .pm::before,.faq summary .pm::after{content:"";position:absolute;background:var(--stone)}
.faq summary .pm::before{left:0;right:0;top:7px;height:1px}
.faq summary .pm::after{top:0;bottom:0;left:7px;width:1px;transition:transform .3s var(--ease)}
.faq details[open] summary .pm::after{transform:scaleY(0)}
.faq .ans{padding:0 36px 24px 0;color:var(--ink-soft);font-size:14.5px;max-width:52em}

/* COMPARATIF */
.compare{background:var(--sand)}
.ctable{margin-top:40px;border:1px solid var(--line);background:var(--cream);overflow-x:auto}
.ctable table{width:100%;border-collapse:collapse;min-width:680px}
.ctable th,.ctable td{text-align:left;padding:16px 18px;font-size:13px;border-bottom:1px solid var(--line);border-right:1px solid var(--line);vertical-align:top}
.ctable th{font-weight:500;color:var(--blue);background:var(--sand-2);font-size:11px;letter-spacing:.06em;text-transform:uppercase}
.ctable td:first-child{color:var(--blue);font-weight:500}
.ctable tr:last-child td{border-bottom:none}
.ctable th:last-child,.ctable td:last-child{border-right:none}

/* CTA */
.cta-band{background:var(--blue);color:var(--cream);text-align:center}
.cta-band .wrap{padding:92px 38px}
.cta-band .eyebrow{color:#cdb079;display:inline-block;margin-bottom:18px}
.cta-band h2{font-family:'Cormorant Garamond',serif;font-size:clamp(27px,3.5vw,44px);max-width:18em;margin:0 auto 28px}
.cta-band h2 .italic{color:#cdb079}
.cta-band .btn-solid{background:var(--stone);color:#1a1306}.cta-band .btn-solid:hover{opacity:.92}
.seealso{margin-top:22px;font-size:13px;color:rgba(251,247,238,.7)}
.seealso a{color:#cdb079;border-bottom:1px solid transparent}.seealso a:hover{border-color:#cdb079}

/* FOOTER */
footer{background:var(--blue);color:#aeb9d0;padding:56px 0 30px;font-weight:300}
.foot-grid{display:grid;grid-template-columns:1fr auto auto auto;column-gap:44px;row-gap:42px;padding-bottom:30px}
.foot-grid>div:first-child{padding-right:56px}
.foot-orias{text-align:center;font-size:12px;letter-spacing:.16em;color:#8a98ba;padding:24px 0 18px}
footer .brand{color:#fff}
footer p.about{font-size:13.5px;color:#a8b3cd;max-width:30em;margin-top:20px;line-height:1.7}
.fcol h5{font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:#8a98ba;font-weight:500;margin-bottom:16px}
.fcol a{display:block;font-size:13.5px;color:#c3cce0;margin-bottom:10px}.fcol a:hover{color:#fff}
.legal{padding-top:26px;font-size:11.5px;color:#8290ae;line-height:1.7}
.legal .warn{margin-bottom:12px;color:#9aa7c4}
.fbottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:14px;font-size:11.5px;color:#8290ae}

.reveal{opacity:0;transform:translateY(18px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}

@media(max-width:820px){
  .kgrid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:34px}
  .foot-grid>div:first-child{padding-right:0}
}
@media(max-width:560px){.wrap{padding:0 22px}section{padding:66px 0}.page-hero{padding:128px 0 56px}}