/* ============================================================
   LabO RNP — design system (refonte "Apple")
   Anton + Inter + JetBrains Mono · desktop + mobile
   ============================================================ */
.rf{
  --ink:#15192C; --ink-2:#2E3450; --mut:#4A5172; --mut-2:#5C638A; --faint:#9AA2BF;
  --line:rgba(21,25,44,.08); --line-2:rgba(21,25,44,.06);
  --blue:#3B6DF7; --blue-d:#2C57CC; --blue-l:#8FA9FF; --blue-vl:#B6BDD4;
  --tint:#F7F8FB; --dark:#0F1430; --dark-2:#080B1C; --paper:#fff;
  --gut:64px;                 /* gouttière horizontale desktop */
  --maxw:1440px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--paper)}
body{font-family:'Inter',system-ui,sans-serif;color:var(--ink);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%}
a{text-decoration:none;color:inherit}
h1,h2,p{margin:0}

/* ---- primitives ---- */
.rf .display{font-family:'Anton',sans-serif;font-weight:400;text-transform:none;letter-spacing:.002em;line-height:1.06}
.mono{font-family:'JetBrains Mono',monospace;font-weight:500;letter-spacing:.22em;text-transform:uppercase;font-size:11.5px;color:var(--mut-2)}
.mono.b{color:var(--blue)}
.sec{padding:200px var(--gut)}
.inner{max-width:var(--maxw);margin:0 auto}
.center{text-align:center}

.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;font-weight:600;font-size:15.5px;padding:14px 28px;transition:background .18s,transform .18s,box-shadow .18s;white-space:nowrap}
.btn.blue{background:var(--blue);color:#fff}
.btn.blue:hover{background:var(--blue-d)}
.btn.dark{background:var(--ink);color:#fff;font-size:12.5px;padding:8px 16px}
.btn.dark:hover{background:#000}
.btn.sm{font-size:12px;padding:7px 15px}
.tlink{font-weight:600;color:var(--blue)}
.tlink:hover{color:var(--blue-d)}

/* ============================================================
   SOUS-HEADER contextuel — se cale sous le shell header fixe (66px)
   Le header global + l'overlay mobile viennent de _shared/shell.css
   ============================================================ */
.subnav{position:fixed;top:var(--hdr-h,66px);left:0;right:0;z-index:80;background:rgba(255,255,255,.82);backdrop-filter:saturate(1.3) blur(12px);-webkit-backdrop-filter:saturate(1.3) blur(12px);border-bottom:1px solid rgba(21,25,44,.07)}
.subnav__in{display:flex;align-items:center;justify-content:space-between;gap:24px;max-width:1340px;margin:0 auto;padding:14px clamp(24px,6vw,64px)}
.subnav__t{font-size:13.5px;color:#15192C;font-weight:600;letter-spacing:-.005em;white-space:nowrap}
.subnav__links{display:flex;align-items:center;gap:30px;font-size:12.5px;color:#5C638A}
.subnav__links a:not(.pill){transition:color .16s}
.subnav__links a:not(.pill):hover{color:#15192C}
.subnav__links a.pill{display:inline-flex;background:var(--blue);color:#fff;border-radius:999px;padding:8px 17px;font-size:12px;font-weight:600;transition:background .16s}
.subnav__links a.pill:hover{background:var(--blue-ink)}

/* barre d'action mobile (fixe en bas) — partagée, activée sous 720px */
.actionbar{display:none}

/* ============================================================
   HERO
   ============================================================ */
.hero{padding:176px var(--gut) 0;text-align:center}
.hero .kick{margin:0 0 34px}
.hero h1{font-size:clamp(46px,7vw,108px);color:var(--ink);max-width:20ch;margin:0 auto 40px;text-wrap:balance}
.hero .lede{font-size:clamp(18px,2.4vw,22px);line-height:1.5;color:var(--mut);max-width:38ch;margin:0 auto 44px}
.hero .cta{display:flex;justify-content:center;align-items:center;gap:28px;margin-bottom:110px;flex-wrap:wrap}
.film{position:relative;height:min(70vh,780px);border-radius:28px 28px 0 0;overflow:hidden;isolation:isolate}
.film img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.06)}
.film__grad{position:absolute;inset:0;background:linear-gradient(0deg,rgba(8,11,28,.7),rgba(8,11,28,.05) 45%)}
.film__play{position:absolute;inset:0;display:grid;place-items:center}
.film__play span{width:88px;height:88px;border-radius:50%;background:rgba(255,255,255,.14);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.55);display:grid;place-items:center;cursor:pointer;transition:background .2s}
.film__play span:hover{background:rgba(59,109,247,.55)}
.film__cap{position:absolute;left:0;right:0;bottom:0;padding:38px 56px;display:flex;justify-content:space-between;align-items:baseline;gap:20px}
.film__cap p{font-family:'Anton',sans-serif;font-weight:400;font-size:clamp(18px,2.6vw,26px);letter-spacing:.002em;color:#fff;margin:0}
.film__cap span{font-family:'JetBrains Mono',monospace;font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.75);white-space:nowrap}

/* ============================================================
   BLOCS
   ============================================================ */
/* problème : 2 colonnes */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:110px;align-items:start}
.split h2{font-size:clamp(38px,5vw,62px);color:var(--ink)}
.split .body{padding-top:74px}
.split .body p{font-size:20px;line-height:1.7;color:var(--ink-2)}
.split .body p+p{margin-top:24px}

/* boucle Capter/Lire/Agir */
.loop{background:var(--tint);text-align:center}
.loop .grid{display:grid;grid-template-columns:1fr 1fr 1fr;align-items:end;max-width:960px;margin:0 auto}
.loop .step span.w{font-family:'Anton',sans-serif;font-size:clamp(38px,6vw,64px);color:var(--blue-vl);display:block;margin-bottom:18px}
.loop .step.mid span.w{font-size:clamp(56px,9vw,96px);color:var(--blue);text-shadow:0 24px 60px rgba(59,109,247,.28)}
.loop .step span.l{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--mut-2)}
.loop .step.mid span.l{color:var(--blue)}
.loop .line{display:flex;align-items:center;margin-top:56px;padding:0 40px;max-width:960px;margin-left:auto;margin-right:auto}
.loop .line i{width:9px;height:9px;border-radius:50%;background:var(--blue-vl);flex:none}
.loop .line i.big{width:13px;height:13px;background:var(--blue);box-shadow:0 0 0 8px rgba(59,109,247,.14)}
.loop .line em{flex:1;height:1.5px;background:linear-gradient(90deg,var(--blue-vl),var(--blue))}
.loop .line em.rev{background:linear-gradient(90deg,var(--blue),var(--blue-vl))}
.loop .rec{font-family:'JetBrains Mono',monospace;font-size:10.5px;letter-spacing:.24em;text-transform:uppercase;color:var(--faint);margin:26px 0 0}
.loop .note{font-size:20px;line-height:1.65;color:var(--mut);max-width:44ch;margin:90px auto 0}
.loop .note b{color:var(--ink);font-weight:600}

/* système : 3 cartes */
.head-lg{font-size:clamp(38px,5vw,62px);color:var(--ink);max-width:19ch;margin:30px 0 120px}
.cards3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:56px}
.pcard figure{position:relative;border-radius:22px;overflow:hidden;isolation:isolate;aspect-ratio:1/1;margin:0 0 36px}
.pcard figure img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.04)}
.pcard figure .num{position:absolute;left:18px;top:16px;font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.16em;color:#fff;background:rgba(8,11,28,.55);backdrop-filter:blur(6px);border-radius:999px;padding:7px 14px}
.pcard b{display:block;font-size:20px;font-weight:600;color:var(--ink);margin-bottom:12px;letter-spacing:-.01em}
.pcard p{font-size:16px;line-height:1.65;color:var(--mut)}

/* programme : sticky + rows */
.prog{margin:0 var(--gut);border-top:1px solid var(--line);padding:190px 0}
.prog__in{display:grid;grid-template-columns:380px 1fr;gap:110px;align-items:start;max-width:1312px;margin:0 auto}
.prog__side{position:sticky;top:140px}
.prog__side h2{font-family:'Anton',sans-serif;font-weight:400;letter-spacing:.002em;line-height:1.1;font-size:clamp(34px,4vw,48px);color:var(--ink);margin:30px 0 24px}
.prog__side p{font-size:16px;line-height:1.65;color:var(--mut)}
.prow{display:grid;grid-template-columns:88px 1fr auto;gap:32px;align-items:baseline;padding:34px 0;border-bottom:1px solid var(--line)}
.prow .n{font-family:'Anton',sans-serif;font-size:30px;letter-spacing:.002em;color:#C6CCE0}
.prow b{font-size:19px;font-weight:600;color:var(--ink);display:block;margin-bottom:6px;letter-spacing:-.01em}
.prow span.d{font-size:15px;line-height:1.6;color:var(--mut)}
.prow .h{font-family:'JetBrains Mono',monospace;font-size:11.5px;color:var(--faint);white-space:nowrap}

/* preuve dark */
.proof{background:var(--dark);text-align:center;color:#fff;position:relative;overflow:hidden;isolation:isolate}
.proof__glow{position:absolute;inset:0;background:radial-gradient(80% 60% at 50% -10%,rgba(59,109,247,.28),transparent 60%);z-index:0}
.proof__in{position:relative;z-index:1}
.proof .kick{color:var(--blue-l);margin:0 0 50px}
.proof .big{font-family:'Anton',sans-serif;font-weight:400;font-size:clamp(96px,15vw,220px);line-height:.9;letter-spacing:-.01em;color:#fff;margin-bottom:26px}
.proof .big span{color:var(--blue-l)}
.proof .p1{font-size:clamp(18px,2.3vw,21px);color:#EEF1FB;margin:0 0 14px}
.proof .p2{font-size:15px;color:rgba(238,241,251,.6);max-width:52ch;margin:0 auto 80px;line-height:1.6}
.proof .logos{display:flex;justify-content:center;align-items:center;gap:52px;flex-wrap:wrap;opacity:.8}
.proof .logos img{height:42px}

/* citation */
.quote{text-align:center}
.quote p.q{font-family:'Anton',sans-serif;font-weight:400;font-size:clamp(30px,4.4vw,44px);letter-spacing:.002em;line-height:1.35;color:var(--ink);max-width:28ch;margin:0 auto 44px}
.quote .who{font-size:15px;color:var(--mut-2);margin:0 0 10px}
.quote .who b{color:var(--ink)}

/* buy box */
.buy{background:var(--tint)}
.buy__in{display:grid;grid-template-columns:1fr 1fr;gap:110px;align-items:start;max-width:1160px;margin:0 auto}
.buy__side{position:sticky;top:140px}
.buy__side h2{font-family:'Anton',sans-serif;font-weight:400;letter-spacing:.002em;line-height:1.08;font-size:clamp(40px,5vw,60px);color:var(--ink);margin:30px 0 26px}
.buy__side p{font-size:18px;line-height:1.65;color:var(--mut);max-width:40ch;margin:0 0 30px}
.buy__side .small{font-size:14px;line-height:1.6;color:var(--mut-2)}
.buycard{background:#fff;border-radius:26px;padding:44px;box-shadow:0 40px 90px -60px rgba(15,20,48,.5)}
.buycard .rowtop{display:flex;align-items:baseline;justify-content:space-between;gap:20px;margin-bottom:8px}
.buycard .rowtop b{font-size:22px;font-weight:600;color:var(--ink);letter-spacing:-.01em}
.buycard .badge{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--blue)}
.buycard .coh{font-size:15px;color:var(--mut-2);margin:0 0 30px}
.buycard .price{display:flex;align-items:baseline;gap:16px;padding-bottom:28px;margin-bottom:28px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.buycard .price .n{font-size:44px;font-weight:700;letter-spacing:-.02em;color:var(--ink)}
.buycard .price .sub{font-size:14px;color:var(--mut-2)}
.buycard .feats{display:flex;flex-direction:column;gap:16px;font-size:15px;color:var(--ink-2);margin-bottom:34px}
.buycard .feats .f{display:flex;justify-content:space-between;gap:24px}
.buycard .feats .f span:last-child{color:var(--mut-2);font-size:13.5px;text-align:right}
.buycard .guar{text-align:center;font-size:12.5px;color:var(--mut-2);margin:16px 0 0}
.buycard .foot{margin-top:30px;padding-top:26px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:20px}
.buycard .foot span{font-size:14px;color:var(--mut)}
.buycard .foot b{color:var(--ink);font-weight:600}

/* fin */
.endcta{text-align:center}
.endcta h2{font-size:clamp(48px,8vw,84px);color:var(--ink);max-width:16ch;margin:0 auto 44px}
.endcta .cta{display:flex;justify-content:center;align-items:center;gap:28px;flex-wrap:wrap}

/* footer */
.foot-b{background:var(--dark);padding:38px var(--gut);display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.foot-b img{height:20px}
.foot-b .links{display:flex;gap:28px;font-size:12.5px;color:rgba(238,241,251,.6);flex-wrap:wrap}
.foot-b .links a:hover{color:#fff}
.foot-b .cp{font-family:'JetBrains Mono',monospace;font-size:11px;color:rgba(238,241,251,.4)}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media(max-width:960px){
  .rf{--gut:34px}
  .sec{padding:120px var(--gut)}
  .split{grid-template-columns:1fr;gap:32px}
  .split .body{padding-top:0}
  .prog__in{grid-template-columns:1fr;gap:44px}
  .prog__side{position:static}
  .buy__in{grid-template-columns:1fr;gap:44px}
  .buy__side{position:static}
  .cards3{grid-template-columns:1fr 1fr;gap:36px}
}
@media(max-width:720px){
  .rf{--gut:22px}
  .subnav{display:none}
  .sec{padding:88px var(--gut)}
  .hero{padding:112px var(--gut) 0}
  .hero .cta{margin-bottom:64px;gap:18px}
  .hero h1{max-width:100%}
  .film{height:min(64vh,560px)}
  .film__cap{padding:22px}
  .loop .grid{max-width:100%}
  .loop .line{padding:0}
  .loop .note{margin-top:56px}
  .head-lg{margin:24px 0 64px}
  .cards3{grid-template-columns:1fr;gap:48px}
  .pcard figure{aspect-ratio:16/11}
  .prog{padding:96px 0;margin:0 var(--gut)}
  .prow{grid-template-columns:44px 1fr;gap:16px 18px}
  .prow .h{grid-column:2;color:var(--mut-2)}
  .buycard{padding:30px}
  .foot-b{justify-content:flex-start;gap:20px;padding-bottom:104px}
  /* bottom action bar */
  .actionbar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:75;gap:10px;
    padding:11px 16px calc(11px + env(safe-area-inset-bottom));
    background:rgba(255,255,255,.9);backdrop-filter:saturate(1.35) blur(14px);-webkit-backdrop-filter:saturate(1.35) blur(14px);
    border-top:1px solid rgba(21,25,44,.09)}
  .actionbar a{display:inline-flex;align-items:center;justify-content:center;height:50px;border-radius:999px;font-weight:600;font-size:15px;transition:background .16s}
  .actionbar .sec2{flex:1;color:#15192C;background:#fff;border:1px solid rgba(21,25,44,.16)}
  .actionbar .sec2:hover{background:#F7F8FB}
  .actionbar .pri{flex:1.35;color:#fff;background:var(--blue)}
  .actionbar .pri:hover{background:var(--blue-ink)}
}