/* =====================================================================
   Sarah Zimbris — feuille de style du site (Phase 1 · site ressource)
   Tokens dérivés de la charte de marque v2. Mobile-first.
   ===================================================================== */

:root{
  --noir:#161616;
  --noir-soft:#242424;
  --rouge:#DC2828;
  --rouge-deep:#B91C1C;
  --blanc:#FFFFFF;
  --gris:#F4F3F1;
  --encre:#1A1A1A;
  --brume:#6E6E73;
  --display:'Familjen Grotesk',system-ui,sans-serif;
  --body:'Mulish',system-ui,sans-serif;
  --maxw:1020px;
  --narrow:720px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--blanc);
  color:var(--encre);
  font-family:var(--body);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
::selection{background:var(--rouge);color:#fff}
img{max-width:100%;display:block}
a{color:inherit}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.narrow{max-width:var(--narrow);margin:0 auto;padding:0 24px}

h1,h2,h3{font-family:var(--display);font-weight:700;line-height:1.08;letter-spacing:-0.02em}
p{margin-bottom:14px;max-width:64ch}
.muted{color:var(--brume)}

/* ---- Geste signature : le surligneur ---- */
.hl{
  background:linear-gradient(transparent 58%, rgba(220,40,40,.42) 58%);
  padding:0 .05em;
}
.hl-logo{
  background:linear-gradient(transparent 55%, rgba(220,40,40,.9) 55%);
  padding:0 .06em;
}

/* ---- Boutons ---- */
.btn{
  font-family:var(--display);font-weight:600;font-size:15px;
  display:inline-block;border:none;border-radius:10px;
  padding:13px 24px;cursor:pointer;text-decoration:none;
  transition:transform .12s,filter .2s,background .2s,color .2s;
}
.btn:hover{transform:translateY(-1px)}
.btn-1{background:var(--rouge);color:#fff}
.btn-1:hover{filter:brightness(1.05)}
.btn-2{background:var(--noir);color:#fff}
.btn-3{background:transparent;color:var(--noir);border:1.5px solid var(--noir)}
.btn-3:hover{background:var(--noir);color:#fff}
.btn-block{width:100%;text-align:center}

/* ---- Navigation ---- */
nav{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.92);backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(22,22,22,.1);
}
nav .inner{
  max-width:var(--maxw);margin:0 auto;padding:14px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.nav-logo{font-family:var(--display);font-weight:700;font-size:19px;letter-spacing:-0.02em;color:var(--noir);text-decoration:none}
.nav-logo b{color:var(--rouge)}
.nav-links{display:flex;gap:22px;list-style:none}
.nav-links a{color:var(--encre);text-decoration:none;font-size:14px;font-weight:500;opacity:.65;transition:opacity .2s,color .2s}
.nav-links a:hover{opacity:1;color:var(--rouge)}

/* ---- Sections ---- */
.sec{padding:76px 0}
.sec-sm{padding:52px 0}
.tag{font-family:var(--display);font-weight:700;font-size:13px;color:var(--rouge);letter-spacing:.05em;margin-bottom:10px}
.sec h2{font-size:clamp(28px,4.6vw,42px);margin-bottom:12px;color:var(--noir)}
.sec .lead{font-size:19px;color:#41414a;margin-bottom:30px;max-width:62ch}
.alt{background:var(--gris)}
.dark{background:var(--noir);color:var(--blanc)}
.dark h2{color:#fff}.dark .lead{color:#C5C5C8}.dark .tag{color:var(--rouge)}

/* ---- Hero ---- */
.hero{background:var(--noir);color:var(--blanc);position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;width:8px;height:56%;background:var(--rouge);top:22%;left:0}
.hero .wrap{position:relative;padding:88px 24px 76px}
.hero .eyebrow{font-family:var(--display);font-weight:500;font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:var(--rouge);margin-bottom:20px}
.hero h1{font-size:clamp(40px,8vw,84px);color:var(--blanc);letter-spacing:-0.03em}
.hero h1 .dot{color:var(--rouge)}
.hero .tagline{font-family:var(--display);font-weight:500;font-size:clamp(20px,3vw,28px);margin-top:22px;max-width:26ch;color:#EDEDED;line-height:1.28}
.hero .tagline .hl{color:#fff}
.hero .sub{margin-top:26px;color:#A8A8AD;font-size:16px;font-weight:500;max-width:48ch}
.hero .cta-row{margin-top:34px;display:flex;flex-wrap:wrap;gap:12px}
.hero .kw-endorse{margin-top:40px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.hero .kw-endorse span{font-family:var(--display);font-weight:500;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:#A8A8AD}
.hero .kw-logo{height:34px;width:auto}

/* ---- Preuve / stats ---- */
.proof{background:var(--blanc);border-bottom:1px solid rgba(22,22,22,.1)}
.proof-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:34px 24px}
.stat .num{font-family:var(--display);font-weight:700;font-size:clamp(24px,4vw,38px);color:var(--rouge);line-height:1}
.stat .lab{font-size:13px;color:var(--brume);margin-top:7px;font-weight:500;line-height:1.3}

/* ---- Cartes guides ---- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{
  background:var(--blanc);border:1px solid rgba(22,22,22,.12);border-radius:16px;
  padding:26px 24px;display:flex;flex-direction:column;gap:10px;
  transition:transform .15s,box-shadow .2s,border-color .2s;
  text-decoration:none;color:inherit;
}
.card:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(22,22,22,.10);border-color:rgba(220,40,40,.4)}
.card .kicker{font-family:var(--display);font-weight:700;font-size:12px;text-transform:uppercase;letter-spacing:.1em;color:var(--rouge)}
.card h3{font-size:21px;color:var(--noir)}
.card p{font-size:15px;color:#41414a;margin:0}
.card .more{font-family:var(--display);font-weight:600;font-size:14px;color:var(--noir);margin-top:auto}
.card .more::after{content:" →";color:var(--rouge)}

/* ---- Bloc question (CTA) ---- */
.ask{background:var(--noir);color:#fff;border-radius:20px;padding:40px 34px}
.ask h2{color:#fff;font-size:clamp(24px,4vw,34px)}
.ask p{color:#C5C5C8;max-width:54ch}

/* ---- Formulaires ---- */
.form{display:flex;flex-direction:column;gap:14px;max-width:480px}
.form label{font-family:var(--display);font-weight:600;font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--noir);margin-bottom:-6px}
.dark .form label{color:#EDEDED}
.form input,.form select,.form textarea{
  font-family:var(--body);font-size:16px;color:var(--encre);
  background:#fff;border:1.5px solid rgba(22,22,22,.18);border-radius:10px;
  padding:13px 15px;width:100%;transition:border-color .2s;
}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--rouge)}
.form textarea{min-height:120px;resize:vertical}
.hp{position:absolute;left:-9999px;top:-9999px}

/* ---- Landing guide ---- */
.guide-head{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.guide-cover{
  background:var(--noir);color:#fff;border-radius:18px;padding:38px 32px;
  display:flex;flex-direction:column;justify-content:center;min-height:300px;position:relative;overflow:hidden;
}
.guide-cover::after{content:"";position:absolute;width:7px;height:60%;background:var(--rouge);top:20%;left:0}
.guide-cover .gtag{font-family:var(--display);font-weight:500;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--rouge);margin-bottom:14px}
.guide-cover .gtitle{font-family:var(--display);font-weight:700;font-size:clamp(24px,3.4vw,34px);line-height:1.1}
.guide-cover .gsign{margin-top:auto;padding-top:22px;font-size:13px;color:#A8A8AD}
.summary{list-style:none}
.summary li{padding:10px 0 10px 26px;position:relative;border-bottom:1px dashed rgba(22,22,22,.14);font-size:16px}
.summary li:last-child{border-bottom:none}
.summary li::before{content:"";position:absolute;left:0;top:18px;width:12px;height:3px;border-radius:2px;background:var(--rouge)}
.panel{background:var(--gris);border:1px solid rgba(22,22,22,.1);border-radius:18px;padding:30px 30px}

/* ---- Footer ---- */
footer{background:var(--noir);color:#fff;padding:64px 0 48px}
footer .fl{font-family:var(--display);font-weight:700;font-size:clamp(34px,7vw,60px);letter-spacing:-0.03em}
footer .fl .dot{color:var(--rouge)}
footer .ft{font-family:var(--display);font-weight:500;font-size:clamp(17px,2.4vw,22px);max-width:26ch;margin:14px 0 0;color:#EDEDED}
footer .fnav{margin-top:30px;display:flex;flex-wrap:wrap;gap:18px;list-style:none}
footer .fnav a{color:#A8A8AD;text-decoration:none;font-size:14px;font-weight:500;transition:color .2s}
footer .fnav a:hover{color:#fff}
footer .fs{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:#7A7A80;margin-top:30px;border-top:1px solid rgba(255,255,255,.12);padding-top:22px}
footer .fs a{color:#A8A8AD}

/* ---- Divers ---- */
.center{text-align:center}
.spacer{height:18px}
.prose p{margin-bottom:16px}
.prose h2{font-size:24px;margin:30px 0 10px;color:var(--noir)}
.prose h3{font-size:19px;margin:24px 0 8px;color:var(--noir)}
.prose ul{margin:0 0 16px 20px}
.prose li{margin-bottom:6px}
.backlink{font-family:var(--display);font-weight:600;font-size:14px;color:var(--noir);text-decoration:none}
.backlink::before{content:"← ";color:var(--rouge)}

/* ---- Responsive ---- */
@media(max-width:860px){
  .guide-head{grid-template-columns:1fr;gap:26px}
}
@media(max-width:760px){
  body{font-size:16px}
  .nav-links{display:none}
  .cards{grid-template-columns:1fr}
  .proof-grid{grid-template-columns:1fr 1fr;gap:24px}
  .sec{padding:56px 0}
  .ask{padding:30px 24px}
  .panel{padding:24px 22px}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto}}