*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --navy:#28354f;
  --navy2:#1e2a3e;
  --navy3:#344361;
  --white:#ffffff;
  --bg:#ffffff;
  --muted:#6b7a93;
  --border:rgba(40,53,79,.08);
  --serif:'DM Serif Display',Georgia,serif;
  --sans:'Inter',system-ui,sans-serif;
  --r:16px;
}
html{scroll-behavior:smooth}
body{font-family:var(--sans);background:#ffffff;color:var(--navy);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}

/* HEADER */
.header{background:var(--white);border-bottom:2px solid var(--navy);position:sticky;top:0;z-index:200}
.hdr{max-width:1160px;margin:0 auto;padding:0 40px;height:62px;display:flex;align-items:center;gap:20px}
.logo{font-family:var(--serif);font-size:24px;font-weight:700;color:var(--navy);text-decoration:none;letter-spacing:-.01em;flex-shrink:0}
.hdr-sep{width:1px;height:26px;background:var(--border)}
.hdr-label{font-size:10px;letter-spacing:.20em;text-transform:uppercase;color:var(--muted);font-weight:400}

/* HERO */
.page-eyebrow{font-size:10px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);font-weight:600;margin-bottom:12px;display:flex;align-items:center;justify-content:center;gap:8px}
.page-eyebrow::before{content:'';display:block;width:14px;height:2px;background:var(--navy);border-radius:2px;opacity:.35}
.hero{padding:48px 40px 32px;border-bottom:1px solid var(--border);text-align:center}
.hero h1{font-family:var(--serif);font-size:clamp(32px,5vw,52px);font-weight:700;color:var(--navy);line-height:1.1;letter-spacing:-.02em;margin-bottom:8px}
.hero-meta{font-size:12px;color:var(--muted);margin-bottom:32px}
.hero-lead{font-size:15px;font-weight:300;color:var(--muted);max-width:600px;margin:0 auto}

/* SEARCH */
.search-wrap{max-width:520px;margin:40px auto 0;position:relative}
.search-input{width:100%;padding:14px 20px 14px 48px;border:1.5px solid var(--border);border-radius:999px;font-family:var(--sans);font-size:14px;color:var(--navy);background:var(--white);outline:none;transition:border-color .2s,box-shadow .2s}
.search-input:focus{border-color:rgba(40,53,79,.3);box-shadow:0 0 0 4px rgba(40,53,79,.06)}
.search-input::placeholder{color:var(--muted)}
.search-icon{position:absolute;left:18px;top:50%;transform:translateY(-50%);color:var(--muted);pointer-events:none}

/* CATEGORIE */
.cats{max-width:1160px;margin:48px auto 0;padding:0 40px;display:flex;gap:8px;flex-wrap:wrap;justify-content:center}
.cat-btn{padding:6px 16px;border-radius:999px;border:1.5px solid var(--border);background:transparent;font-family:var(--sans);font-size:12px;font-weight:500;color:var(--muted);cursor:pointer;transition:all .2s;letter-spacing:.04em}
.cat-btn.active,.cat-btn:hover{background:var(--navy);border-color:var(--navy);color:var(--white)}

/* FAQ GRID */
.faq-section{max-width:1160px;margin:0 auto;padding:48px 40px 80px}
.faq-group{margin-bottom:56px}
.faq-group-title{font-size:10px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);font-weight:600;margin-bottom:24px;display:flex;align-items:center;gap:12px}
.faq-group-title::after{content:'';flex:1;height:1px;background:var(--border)}
.faq-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px;align-items:stretch}
.faq-card{cursor:pointer;height:180px}
.faq-inner{border-radius:18px;padding:24px 28px;background:var(--white);border:1px solid var(--border);box-shadow:0 4px 20px rgba(40,53,79,.07),0 1px 4px rgba(40,53,79,.04);transition:box-shadow .3s,transform .3s;display:flex;flex-direction:column;justify-content:space-between;height:100%}
.faq-card:hover .faq-inner{box-shadow:0 8px 32px rgba(40,53,79,.11),0 2px 8px rgba(40,53,79,.06);transform:translateY(-2px)}
.faq-q{font-family:var(--sans);font-size:16px;font-weight:500;color:var(--navy);line-height:1.4;padding:12px 0 0}
.faq-cat-tag{font-size:9px;letter-spacing:.16em;text-transform:uppercase;font-weight:600;color:var(--muted)}
.faq-hint{font-size:11px;color:var(--muted);display:flex;align-items:center;gap:4px;margin-top:20px}
.faq-hint svg{opacity:.5}

/* POPUP */
.faq-overlay{position:fixed;inset:0;background:rgba(20,30,50,.55);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);z-index:1000;display:flex;align-items:center;justify-content:center;padding:24px;opacity:0;pointer-events:none;transition:opacity .35s ease}
.faq-overlay.active{opacity:1;pointer-events:all}
.faq-overlay.closing{opacity:0;pointer-events:none;transition:opacity .45s ease .1s}
.faq-popup{width:100%;max-width:520px;perspective:1000px}
.faq-popup-inner{position:relative;transform-style:preserve-3d;transition:transform .55s cubic-bezier(.22,.68,0,1.1)}
.faq-overlay.active .faq-popup-inner{transform:rotateY(0deg)}
.faq-popup-front,.faq-popup-back{backface-visibility:hidden;-webkit-backface-visibility:hidden;border-radius:24px;padding:40px}
.faq-popup-front{background:var(--white);transform:rotateY(-180deg)}
.faq-popup-back{background:var(--navy)}
.faq-overlay.active .faq-popup-inner{animation:popupFlip .55s cubic-bezier(.22,.68,0,1.1) forwards}
.faq-overlay.closing .faq-popup-inner{animation:popupFlipOut .45s cubic-bezier(.22,.68,0,1.1) forwards}
@keyframes popupFlip{
  0%{transform:rotateY(-180deg) scale(.92)}
  100%{transform:rotateY(0deg) scale(1)}
}
@keyframes popupFlipOut{
  0%{transform:rotateY(0deg) scale(1)}
  100%{transform:rotateY(180deg) scale(.92)}
}
.popup-cat{font-size:9px;letter-spacing:.18em;text-transform:uppercase;font-weight:600;color:rgba(255,255,255,.45);margin-bottom:16px}
.popup-q{font-family:var(--sans);font-size:20px;font-weight:600;color:#fff;line-height:1.3;margin-bottom:24px}
.popup-divider{height:1px;background:rgba(255,255,255,.12);margin-bottom:24px}
.popup-a{font-size:15px;font-weight:300;color:rgba(255,255,255,.88);line-height:1.75}
.popup-close-btn{margin-top:32px;display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.1);border:none;border-radius:999px;padding:10px 20px;font-family:var(--sans);font-size:11px;letter-spacing:.12em;text-transform:uppercase;font-weight:600;color:rgba(255,255,255,.7);cursor:pointer;transition:background .2s}
.popup-close-btn:hover{background:rgba(255,255,255,.18)}

/* NO RESULTS */
.no-results{text-align:center;padding:60px 0;display:none}
.no-results-title{font-family:var(--serif);font-size:24px;color:var(--navy);margin-bottom:8px}
.no-results-sub{font-size:14px;color:var(--muted)}

/* MOBILE */
@media(max-width:900px){
  .hero{padding:48px 20px 40px}
  .cats{padding:0 20px}
  .faq-section{padding:40px 20px 60px}
  .hdr{padding:0 20px}
}
@media(max-width:600px){
  .faq-grid{grid-template-columns:1fr}
  .faq-card{height:auto;min-height:140px}
  .faq-inner{padding:20px}
  .faq-q{font-size:15px}
  .faq-hint{margin-top:14px}
}