/* ============================================================
   PINAPP — Formations · DA AVALON
   Graphite + violet/periwinkle · Geist · widgets glass
   Raccord avec /voyage-sunmetalon/ (la DA du site).
   ============================================================ */
:root{
  --graphite:#0d0e11;--graphite2:#111214;--smoked:#1A1A1D;
  --ivory:#F4F1EA;--smoked-gray:#7A746D;--champagne:#B8ADA1;
  --violet:#8E6AD8;--periwinkle:#6D8FEA;--lavender:#A88BE0;
  --muted:rgba(244,241,234,.64);--border:rgba(255,255,255,.13);
  --ease-apple:cubic-bezier(.32,.72,0,1);--ease-out-expo:cubic-bezier(.16,1,.3,1);
  --ff:"Geist",-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif;
  --maxw:1080px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:var(--graphite)}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  font-family:var(--ff);color:var(--ivory);font-size:16px;line-height:1.6;
  background:transparent;overflow-x:hidden;
}
/* ---- fond vidéo cinématique (raccord DA AVALON / voyage-sunmetalon) ---- */
.fbg{position:fixed;inset:0;z-index:0;overflow:hidden;background:var(--graphite)}
.fbg video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.5}
.fbg::before{content:"";position:absolute;inset:0;
  background:radial-gradient(900px 620px at 14% -5%,rgba(141,106,216,.20),transparent 55%),
            radial-gradient(820px 600px at 88% 10%,rgba(109,143,234,.16),transparent 55%)}
.fbg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(13,14,17,.66),rgba(13,14,17,.82) 60%,rgba(13,14,17,.9))}
.fnav,main,.ffoot{position:relative;z-index:1}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:-.02em;line-height:1.1}
::selection{background:var(--violet);color:var(--ivory)}

.fwrap{width:min(var(--maxw),calc(100vw - 40px));margin:0 auto}
.grad{background:linear-gradient(135deg,var(--violet),var(--periwinkle));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
.eyebrow{font-size:.7rem;letter-spacing:.25em;text-transform:uppercase;color:var(--periwinkle);font-weight:500}
.peri{color:var(--periwinkle)}
.muted{color:var(--muted)}

/* ---- boutons ---- */
.btn{display:inline-flex;align-items:center;gap:.5em;background:var(--ivory);color:var(--graphite);border:0;border-radius:999px;padding:.9rem 1.8rem;font:inherit;font-size:.92rem;font-weight:600;cursor:pointer;transition:transform .4s var(--ease-apple),background .3s,color .3s,box-shadow .4s}
.btn:hover{background:linear-gradient(135deg,var(--violet),var(--periwinkle));color:var(--ivory);transform:translateY(-2px);box-shadow:0 12px 30px rgba(141,106,216,.35)}
.btn .a{transition:transform .35s var(--ease-apple)}.btn:hover .a{transform:translateX(4px)}
.btn.ghost{background:rgba(255,255,255,.06);color:var(--ivory);border:1px solid var(--border);font-weight:500}
.btn.ghost:hover{background:rgba(141,106,216,.18);border-color:var(--violet)}
@media(prefers-reduced-motion:reduce){.btn:hover{transform:none}}

/* ---- nav ---- */
.fnav{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;justify-content:space-between;
  padding:1rem 1.6rem;transition:padding .4s var(--ease-apple),background .3s,backdrop-filter .3s,border-color .3s;border-bottom:1px solid transparent}
.fnav.scrolled{padding:.55rem 1.6rem;background:rgba(13,14,17,.55);backdrop-filter:blur(24px) saturate(1.4);-webkit-backdrop-filter:blur(24px) saturate(1.4);border-bottom:1px solid rgba(255,255,255,.08)}
.fnav__logo img{height:56px;width:auto;display:block;transition:height .4s var(--ease-apple)}
.fnav.scrolled .fnav__logo img{height:44px}
.fnav__links{display:flex;gap:1.3rem;align-items:center}
.fnav__links a{font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.fnav__links a:hover{color:var(--ivory)}
.fnav__links a.pill{background:var(--ivory);color:var(--graphite);padding:.5rem 1.1rem;border-radius:999px;font-weight:600;letter-spacing:.04em;text-transform:none}
.fnav__links a.pill:hover{background:linear-gradient(135deg,var(--violet),var(--periwinkle));color:var(--ivory)}
@media(max-width:860px){.fnav__links a:not(.pill){display:none}.fnav__logo img{height:44px}}

/* ---- hero ---- */
.fhero{padding:9.5rem 0 3.5rem;text-align:center}
.fhero .eyebrow{display:block;margin-bottom:1.1rem}
.fhero h1{font-size:clamp(2.4rem,6vw,4.4rem);letter-spacing:-.035em;line-height:1.02}
.fhero p.lead{margin:1.3rem auto 0;max-width:42rem;color:var(--muted);font-size:clamp(1rem,1.4vw,1.15rem)}
.fhero .legal{margin-top:1rem;font-size:.8rem;color:var(--smoked-gray)}
.fhero .cta-row{display:flex;gap:.8rem;justify-content:center;flex-wrap:wrap;margin-top:2rem}
.fhero.back{padding-top:8rem}
.backlink{display:inline-flex;align-items:center;gap:.4rem;font-size:.78rem;color:var(--periwinkle);margin-bottom:1.3rem}
.backlink:hover{color:var(--lavender)}

/* ---- sections ---- */
.fsec{padding:3.2rem 0}
.fsec__head{text-align:center;max-width:46rem;margin:0 auto 2.2rem}
.fsec__head h2{font-size:clamp(1.7rem,3.4vw,2.6rem)}
.fsec__head p{margin-top:.8rem;color:var(--muted)}

/* ---- grilles ---- */
.fgrid{display:grid;gap:1rem}
.fgrid.g2{grid-template-columns:repeat(2,1fr)}
.fgrid.g3{grid-template-columns:repeat(3,1fr)}
.fgrid.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.fgrid.g3,.fgrid.g4{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.fgrid.g2,.fgrid.g3,.fgrid.g4{grid-template-columns:1fr}}

/* ---- cartes glass ---- */
.glass,.fcard{
  position:relative;border-radius:18px;
  background:linear-gradient(135deg,rgba(255,255,255,.10),rgba(255,255,255,.038));
  backdrop-filter:blur(30px) saturate(1.3);-webkit-backdrop-filter:blur(30px) saturate(1.3);
  border:1px solid var(--border);
  box-shadow:0 1px 0 rgba(255,255,255,.08) inset,0 24px 60px rgba(0,0,0,.34);
}
.fcard{padding:1.6rem;display:flex;flex-direction:column;gap:.5rem;transition:transform .5s var(--ease-apple),border-color .5s,box-shadow .5s}
.fcard:hover{transform:translateY(-5px);border-color:rgba(141,106,216,.45)}
@media(prefers-reduced-motion:reduce){.fcard:hover{transform:none}}
.fcard h3{font-size:1.18rem}
.fcard .fmeta{font-size:.82rem;color:var(--periwinkle);font-weight:500}
.fcard p{font-size:.9rem;color:var(--muted);line-height:1.6}
.fcard .btn,.fcard .btn.ghost{margin-top:auto;width:100%;justify-content:center}
.fcard.feat{border-color:rgba(141,106,216,.5);background:linear-gradient(135deg,rgba(141,106,216,.16),rgba(255,255,255,.04))}
.ftag{display:inline-block;font-size:.6rem;letter-spacing:.16em;text-transform:uppercase;color:var(--periwinkle);
  background:rgba(141,106,216,.16);border:1px solid rgba(141,106,216,.3);padding:.3rem .7rem;border-radius:999px;align-self:flex-start}

/* prix */
.fprice{font-size:1.9rem;font-weight:600;letter-spacing:-.02em}
.fprice small{font-size:.85rem;font-weight:400;color:var(--muted)}

/* listes programme */
.flist{list-style:none;display:grid;gap:.6rem;margin-top:.4rem}
.flist li{position:relative;padding-left:1.5rem;font-size:.92rem;color:var(--muted);line-height:1.55}
.flist li::before{content:"";position:absolute;left:0;top:.5em;width:7px;height:7px;border-radius:50%;background:linear-gradient(135deg,var(--violet),var(--periwinkle))}
.flist.checks li::before{content:"✓";background:none;color:var(--periwinkle);font-size:.85rem;top:0;width:auto;height:auto}

/* bandeau prix transparent */
.ftransp{font-size:.84rem;color:var(--smoked-gray);text-align:center;margin-top:1.4rem;line-height:1.6}

/* footer */
.ffoot{padding:3rem 0 3.5rem;border-top:1px solid rgba(255,255,255,.08);margin-top:2.5rem;text-align:center}
.ffoot__logo img{height:46px;margin:0 auto .9rem}
.ffoot p{font-size:.8rem;color:var(--smoked-gray);line-height:1.6}
.ffoot a{color:var(--periwinkle)}

/* ---- pages programme (sous-pages) ---- */
.fmain-narrow{width:min(780px,calc(100vw - 40px));margin:0 auto}
.fcrumb{font-size:.74rem;letter-spacing:.06em;color:var(--periwinkle);margin-bottom:1rem}
.fcrumb a{color:var(--periwinkle)}.fcrumb a:hover{color:var(--lavender)}
.fprog-hero{padding:8.5rem 0 1.4rem}
.fprog-hero h1{font-size:clamp(2rem,4.6vw,3.2rem);letter-spacing:-.03em}
.fprog-hero .meta{margin-top:.9rem;font-size:.95rem;color:var(--periwinkle);font-weight:500}
.fprog-hero .intro{margin-top:1rem;color:var(--muted);line-height:1.65;font-size:1.05rem}
.fblock{display:flex;gap:1rem;padding:1.1rem 0;border-top:1px solid rgba(255,255,255,.08)}
.fblock:first-child{border-top:0}
.fblock .ic{flex:0 0 40px;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-size:1.1rem;
  background:linear-gradient(135deg,rgba(141,106,216,.22),rgba(109,143,234,.12));border:1px solid rgba(141,106,216,.3);color:var(--lavender)}
.fblock strong{font-size:1rem}
.fblock p{margin-top:.35rem;font-size:.9rem;color:var(--muted);line-height:1.6}
.fblock-title{font-size:1.25rem;margin:2.2rem 0 .4rem}
.fquote{margin:2rem 0;padding:1.4rem 1.6rem;border-radius:16px;font-style:italic;color:var(--champagne);
  border-left:3px solid var(--violet);background:linear-gradient(135deg,rgba(255,255,255,.06),rgba(255,255,255,.02))}
.ffaq{display:grid;gap:.6rem;margin:1rem 0 2.4rem}
.ffaq details{border:1px solid var(--border);border-radius:14px;background:rgba(255,255,255,.035);overflow:hidden}
.ffaq summary{cursor:pointer;padding:1rem 1.1rem;font-weight:500;font-size:.95rem;list-style:none;display:flex;justify-content:space-between;gap:1rem}
.ffaq summary::-webkit-details-marker{display:none}
.ffaq summary::after{content:"+";color:var(--periwinkle);transition:transform .3s}
.ffaq details[open] summary::after{transform:rotate(45deg)}
.ffaq details p{padding:0 1.1rem 1.1rem;color:var(--muted);font-size:.9rem;line-height:1.6}
.ffaq details p a{color:var(--periwinkle)}

/* ---- engagements / transparence ---- */
.engage{display:grid;gap:1rem;grid-template-columns:repeat(2,1fr)}
@media(max-width:720px){.engage{grid-template-columns:1fr}}
.engage .fcard{flex-direction:row;gap:.9rem;align-items:flex-start}
.engage .ic{flex:0 0 38px;width:38px;height:38px;border-radius:11px;display:grid;place-items:center;font-size:1.05rem;
  background:linear-gradient(135deg,rgba(141,106,216,.22),rgba(109,143,234,.12));border:1px solid rgba(141,106,216,.3);color:var(--lavender)}
.engage h3{font-size:1rem;margin-bottom:.2rem}
.engage p{font-size:.86rem;color:var(--muted);line-height:1.55;margin:0}
.distance-chip{display:inline-flex;align-items:center;gap:.5rem;font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--periwinkle);background:rgba(109,143,234,.12);border:1px solid rgba(109,143,234,.3);padding:.4rem .9rem;border-radius:999px}

/* reveal léger (jamais cacher en reduced-motion) */
[data-rev]{opacity:1}
.js [data-rev]{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease-out-expo),transform .9s var(--ease-out-expo)}
.js [data-rev].in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.js [data-rev]{opacity:1!important;transform:none!important}}