/* ============================================================
   Céphée Conseil — feuille de style commune
   Thème : galaxie / constellation, bleu nuit, prestige
   ============================================================ */
:root{
  --nuit-900:#060b1c;   /* fond le plus profond */
  --nuit-800:#0a1330;
  --nuit-700:#0f1c46;
  --nuit-600:#16265c;
  --bleu:#2a4b9b;       /* bleu roi profond */
  --bleu-clair:#6f8fd6;
  --astre:#9fb4e8;      /* bleu-argent des étoiles */
  --or:#d9b45e;         /* accent doré prestige */
  --or-clair:#f0d99a;
  --ivoire:#f5f7fc;
  --brume:#c3cde6;      /* texte secondaire clair */
  --line:#e4e9f4;
  --ink:#141a2e;        /* texte sur fond clair */
  --slate:#4d5872;
  --radius:16px;
  --wrap:1160px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Segoe UI",system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);background:var(--ivoire);line-height:1.65;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{width:min(var(--wrap),92%);margin-inline:auto}
section{padding:88px 0}
h1,h2,h3{line-height:1.15;color:var(--nuit-800);font-weight:800;letter-spacing:-.015em}
h2{font-size:clamp(1.8rem,3.6vw,2.6rem);margin-bottom:16px}
.eyebrow{display:inline-block;color:var(--bleu);font-weight:700;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:14px}
.eyebrow.gold{color:var(--or)}
.lead{color:var(--slate);font-size:1.06rem;max-width:64ch}
.center{text-align:center;margin-inline:auto}
strong,.stat-num{font-weight:800}

/* fond étoilé réutilisable (sections sombres) */
.starfield{position:relative;overflow:hidden;
  background:
    radial-gradient(1000px 600px at 80% -10%,rgba(42,75,155,.35),transparent 60%),
    radial-gradient(800px 500px at 10% 110%,rgba(111,143,214,.18),transparent 60%),
    linear-gradient(160deg,var(--nuit-900),var(--nuit-700));
  color:var(--ivoire);
}
.starfield::before,.starfield::after{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(1.4px 1.4px at 20% 30%,rgba(255,255,255,.9),transparent),
    radial-gradient(1.2px 1.2px at 70% 20%,rgba(255,255,255,.7),transparent),
    radial-gradient(1.6px 1.6px at 40% 70%,rgba(255,255,255,.85),transparent),
    radial-gradient(1.1px 1.1px at 85% 60%,rgba(255,255,255,.6),transparent),
    radial-gradient(1.3px 1.3px at 55% 45%,rgba(255,255,255,.75),transparent),
    radial-gradient(1px 1px at 15% 80%,rgba(255,255,255,.6),transparent),
    radial-gradient(1.5px 1.5px at 90% 25%,rgba(255,255,255,.8),transparent);
  opacity:.5;animation:twinkle 6s ease-in-out infinite;
}
.starfield::after{background-position:30px 20px;opacity:.3;animation-delay:2s;animation-duration:8s}
@keyframes twinkle{0%,100%{opacity:.28}50%{opacity:.6}}
.starfield .wrap{position:relative;z-index:1}
.starfield h1,.starfield h2,.starfield h3{color:#fff}
.starfield .lead{color:var(--brume)}

/* ---------- Boutons ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;font-weight:700;font-size:.95rem;
  padding:13px 24px;border-radius:11px;cursor:pointer;border:1.5px solid transparent;
  transition:transform .15s ease,box-shadow .15s ease,background .15s ease,color .15s ease}
.btn-gold{background:linear-gradient(135deg,var(--or),var(--or-clair));color:#3a2c07;
  box-shadow:0 12px 30px -12px rgba(217,180,94,.7)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 36px -12px rgba(217,180,94,.8)}
.btn-light{background:#fff;color:var(--nuit-800);box-shadow:0 10px 24px -12px rgba(0,0,0,.5)}
.btn-light:hover{background:var(--astre);transform:translateY(-1px)}
.btn-ghost{border-color:rgba(255,255,255,.35);color:#fff;background:transparent}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-outline{border-color:var(--line);color:var(--nuit-800);background:#fff}
.btn-outline:hover{border-color:var(--bleu);color:var(--bleu)}

/* ---------- En-tête ---------- */
header{position:sticky;top:0;z-index:50;
  background:linear-gradient(100deg,var(--nuit-900),var(--nuit-700) 60%,var(--nuit-600));
  border-bottom:1px solid rgba(255,255,255,.08);transition:box-shadow .25s ease}
header.scrolled{box-shadow:0 12px 30px -18px rgba(0,0,0,.9)}
header::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:linear-gradient(90deg,transparent,var(--or),transparent);opacity:.6}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px;position:relative}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;color:#fff;font-size:1.2rem;letter-spacing:-.01em}
.brand .sub{display:block;font-size:.66rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--or-clair);margin-top:2px}
.mark{width:38px;height:38px;flex:none;border-radius:10px;background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.18);display:grid;place-items:center;transition:transform .3s ease}
.brand:hover .mark{transform:rotate(-6deg) scale(1.05)}
.mark svg{width:27px;height:27px}
.nav-links{display:flex;gap:4px;align-items:center}
.nav-links a{position:relative;color:var(--brume);font-weight:600;font-size:.93rem;padding:8px 13px;border-radius:8px;transition:color .18s ease,background .18s ease}
.nav-links a:not(.btn)::after{content:"";position:absolute;left:13px;right:13px;bottom:4px;height:2px;background:var(--or);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;border-radius:2px}
.nav-links a:not(.btn):hover{color:#fff}
.nav-links a:not(.btn):hover::after{transform:scaleX(1)}
.nav-links a.active{color:#fff;background:rgba(255,255,255,.08)}
.nav-links a.active::after{transform:scaleX(1)}
.nav .btn{padding:11px 20px;margin-left:10px}
.burger{display:none;background:none;border:0;cursor:pointer;padding:6px}
.burger span{display:block;width:24px;height:2px;background:#fff;margin:5px 0;border-radius:2px}

/* ---------- Hero ---------- */
.hero{padding:96px 0 104px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(2.2rem,5vw,3.5rem);color:#fff}
.hero .lead{margin:22px 0 32px;font-size:1.14rem}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.trust{display:flex;gap:22px;margin-top:28px;flex-wrap:wrap;color:var(--brume);font-size:.9rem;font-weight:600}
.trust span{display:flex;align-items:center;gap:7px}
.trust svg{width:16px;height:16px;color:var(--or)}

/* carte constellation dans le hero */
.constel-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);
  border-radius:20px;padding:28px;backdrop-filter:blur(4px);
  box-shadow:0 30px 70px -30px rgba(0,0,0,.7)}
.constel-card h3{font-size:1.05rem;color:#fff;margin-bottom:4px}
.constel-card p{color:var(--brume);font-size:.9rem;margin-bottom:18px}
.constel-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.constel-grid .cell{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);
  border-radius:12px;padding:16px;text-align:center}
.constel-grid .cell b{display:block;font-size:1.5rem;color:var(--or-clair);font-weight:800;line-height:1}
.constel-grid .cell small{color:var(--brume);font-size:.72rem;font-weight:600}

/* ---------- Bandeau chiffres ---------- */
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
  border-left:4px solid var(--or);border-radius:14px;padding:24px 20px;
  transition:transform .2s ease,background .2s ease}
.stat:hover{transform:translateY(-4px);background:rgba(255,255,255,.09)}
.stat b{font-size:clamp(1.9rem,4vw,2.7rem);font-weight:800;display:block;line-height:1;color:var(--or-clair)}
.stat b span{font-size:inherit;font-weight:inherit;color:inherit}
.stat .t{color:#fff;font-weight:700;font-size:.98rem;display:block;margin-top:8px}
.stat small{display:block;color:var(--brume);font-size:.78rem;margin-top:3px}

/* ---------- Sections claires ---------- */
.sec-head{max-width:70ch;margin-bottom:46px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid.two{grid-template-columns:repeat(2,1fr)}

/* cartes prestation/formation */
.card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:0 24px 26px;display:flex;flex-direction:column;gap:10px;overflow:hidden;
  transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease}
.card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--c,var(--bleu));z-index:2}
.card:hover{border-color:var(--c,var(--bleu));box-shadow:0 22px 44px -26px rgba(10,19,48,.45);transform:translateY(-4px)}
.card.clickable{cursor:pointer}
.card-thumb{margin:0 -24px 16px;height:120px;overflow:hidden;background:#eef2fb}
.card-thumb img{width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .6s ease,transform .4s ease}
.card-thumb img.loaded{opacity:1}
.card:hover .card-thumb img{transform:scale(1.05)}
.card .num{color:var(--c,var(--bleu));font-weight:800;font-size:.95rem}
.card h3{font-size:1.1rem}
.card p{color:var(--slate);font-size:.93rem;margin:0}
.card .more{display:inline-flex;align-items:center;gap:6px;margin-top:12px;color:var(--c,var(--bleu));font-weight:700;font-size:.85rem}
.card .more svg{width:16px;height:16px;transition:transform .18s ease}
.card.clickable:hover .more svg{transform:translateX(4px)}
.badge{margin-top:auto;align-self:flex-start;display:inline-flex;align-items:center;gap:7px;
  background:color-mix(in srgb,var(--c,var(--bleu)) 12%,#fff);color:var(--c,var(--bleu));
  font-weight:700;font-size:.8rem;padding:6px 12px;border-radius:999px}
.badge svg{width:14px;height:14px}

/* liste à puces étoile */
.star-list{list-style:none;display:flex;flex-direction:column;gap:10px;margin-top:8px}
.star-list li{display:flex;gap:11px;align-items:flex-start;color:var(--ink);font-size:.96rem}
.star-list li svg{width:18px;height:18px;color:var(--or);flex:none;margin-top:3px}

/* ---------- Preuves (galerie) ---------- */
.proofs{background:linear-gradient(180deg,#f4f7fd,#fff)}
.proof-scroll{display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 4px 22px;margin-top:8px;
  scrollbar-width:thin;scrollbar-color:var(--bleu-clair) transparent}
.proof-scroll::-webkit-scrollbar{height:10px}
.proof-scroll::-webkit-scrollbar-thumb{background:var(--bleu-clair);border-radius:999px}
.proof-scroll::-webkit-scrollbar-track{background:var(--line);border-radius:999px}
.proof-item{flex:0 0 auto;width:min(340px,80vw);scroll-snap-align:start;margin:0;background:#fff;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:0 14px 30px -22px rgba(10,19,48,.4)}
.proof-item button{all:unset;display:block;width:100%;cursor:zoom-in;position:relative}
.proof-item img{display:block;width:100%;height:230px;object-fit:cover;object-position:top}
.proof-item .zoom{position:absolute;top:10px;right:10px;width:34px;height:34px;border-radius:9px;
  background:rgba(10,19,48,.6);color:#fff;display:grid;place-items:center;opacity:0;transform:scale(.9);
  transition:opacity .18s ease,transform .18s ease;z-index:2}
.proof-item .zoom svg{width:18px;height:18px}
.proof-item button:hover .zoom,.proof-item button:focus-visible .zoom{opacity:1;transform:scale(1)}
.proof-item button:focus-visible{outline:3px solid var(--bleu);outline-offset:2px}
.proof-hint{display:flex;align-items:center;gap:8px;color:var(--slate);font-size:.86rem;font-weight:600;margin-top:6px}
.proof-hint svg{width:18px;height:18px;color:var(--bleu)}

/* ---------- Lightbox ---------- */
.lightbox{position:fixed;inset:0;z-index:120;display:none;background:rgba(6,11,28,.94);padding:24px}
.lightbox.open{display:flex;align-items:center;justify-content:center}
.lightbox img{max-width:92vw;max-height:82vh;border-radius:10px;box-shadow:0 30px 80px -20px rgba(0,0,0,.8)}
.lb-btn{position:absolute;top:50%;transform:translateY(-50%);width:52px;height:52px;border:0;cursor:pointer;
  border-radius:50%;background:rgba(255,255,255,.14);color:#fff;display:grid;place-items:center;transition:background .18s ease}
.lb-btn:hover{background:rgba(255,255,255,.28)}
.lb-btn svg{width:26px;height:26px}
.lb-prev{left:20px}.lb-next{right:20px}
.lb-close{position:absolute;top:20px;right:20px;width:44px;height:44px;border:0;cursor:pointer;border-radius:10px;
  background:rgba(255,255,255,.14);color:#fff;display:grid;place-items:center}
.lb-close:hover{background:rgba(255,255,255,.28)}
.lb-close svg{width:22px;height:22px}
.lb-count{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);color:var(--brume);font-weight:700;
  font-size:.9rem;background:rgba(255,255,255,.1);padding:6px 14px;border-radius:999px}

/* ---------- Modale ---------- */
.modal-overlay{position:fixed;inset:0;z-index:110;display:none;background:rgba(6,11,28,.6);backdrop-filter:blur(3px);padding:24px;overflow-y:auto}
.modal-overlay.open{display:flex;align-items:flex-start;justify-content:center}
.modal{background:#fff;border-radius:18px;max-width:620px;width:100%;margin:auto;
  box-shadow:0 40px 80px -30px rgba(0,0,0,.7);overflow:hidden;position:relative;animation:modal-in .28s ease both}
@keyframes modal-in{from{opacity:0;transform:translateY(20px) scale(.98)}to{opacity:1;transform:none}}
.modal-head{position:relative;padding:26px 28px 22px;color:#fff;background:linear-gradient(135deg,var(--c,var(--bleu)),var(--nuit-800))}
.modal-head .num{font-weight:800;font-size:.85rem;opacity:.85;letter-spacing:.06em;text-transform:uppercase}
.modal-head h3{color:#fff;font-size:1.4rem;margin-top:4px}
.modal-close{position:absolute;top:16px;right:16px;width:36px;height:36px;border:0;cursor:pointer;border-radius:9px;
  background:rgba(255,255,255,.16);color:#fff;display:grid;place-items:center;transition:background .18s ease}
.modal-close:hover{background:rgba(255,255,255,.3)}
.modal-close svg{width:20px;height:20px}
.modal-body{padding:26px 28px}
.modal-body p{color:var(--slate);margin-bottom:16px}
.modal-body h4{color:var(--nuit-800);font-size:.95rem;margin:18px 0 10px}
.modal-incl{list-style:none;display:flex;flex-direction:column;gap:9px;margin-bottom:8px}
.modal-incl li{display:flex;gap:10px;align-items:flex-start;color:var(--ink);font-size:.94rem}
.modal-incl li svg{width:18px;height:18px;color:var(--c,var(--bleu));flex:none;margin-top:2px}
.modal-delay{display:inline-flex;align-items:center;gap:8px;margin-top:6px;
  background:color-mix(in srgb,var(--c,var(--bleu)) 12%,#fff);color:var(--c,var(--bleu));
  font-weight:700;font-size:.85rem;padding:8px 14px;border-radius:999px}
.modal-delay svg{width:15px;height:15px}
.modal-foot{padding:20px 28px 26px;border-top:1px solid var(--line);display:flex;gap:12px;flex-wrap:wrap}

/* ---------- Blocs divers ---------- */
.pillars{display:flex;flex-direction:column;gap:16px}
.pillar{display:flex;gap:16px;align-items:flex-start;background:#f4f7fd;border:1px solid var(--line);border-radius:12px;padding:18px 20px}
.pillar .n{width:42px;height:42px;flex:none;border-radius:11px;background:#fff;color:var(--bleu);font-weight:800;display:grid;place-items:center;border:1px solid var(--line)}
.pillar h3{font-size:1.02rem;margin-bottom:2px}
.pillar p{color:var(--slate);font-size:.92rem;margin:0}

.banner{margin-top:36px;border-radius:var(--radius);padding:32px 34px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.banner b{font-size:1.35rem;color:#fff}
.banner p{color:var(--brume);margin-top:4px}

.satis-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:8px}
.satis-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);
  border-top:3px solid var(--or);border-radius:14px;padding:26px 22px;text-align:center;transition:transform .2s ease}
.satis-card:hover{transform:translateY(-4px)}
.satis-card b{display:block;font-size:2.3rem;font-weight:800;color:var(--or-clair);line-height:1}
.satis-card .t{display:block;color:#fff;font-weight:700;margin-top:8px;font-size:.98rem}
.satis-card small{display:block;color:var(--brume);font-size:.8rem;margin-top:3px}

/* FAQ */
.faq details{border:1px solid var(--line);border-radius:12px;margin-bottom:12px;background:#fff;overflow:hidden}
.faq summary{cursor:pointer;list-style:none;padding:20px 24px;font-weight:700;color:var(--nuit-800);display:flex;justify-content:space-between;gap:16px;font-size:1.02rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary .plus{transition:transform .2s ease;color:var(--bleu);font-size:1.4rem;flex:none}
.faq details[open] summary .plus{transform:rotate(45deg)}
.faq .answer{padding:0 24px 22px;color:var(--slate);font-size:.96rem}

/* CTA bas de page */
.cta-final{text-align:center}
.cta-final h2{color:#fff}
.cta-final .lead{color:var(--brume);margin-inline:auto;margin-bottom:26px}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start}
.info{display:flex;flex-direction:column;gap:22px;margin-top:26px}
.info-item{display:flex;gap:14px;align-items:flex-start}
.info-item .ic{width:42px;height:42px;flex:none;border-radius:10px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);display:grid;place-items:center}
.info-item .ic svg{width:20px;height:20px;color:var(--or-clair)}
.info-item b{display:block;color:#fff}
.info-item span{color:var(--brume);font-size:.92rem}
form.contact{background:#fff;border-radius:16px;padding:30px;color:var(--ink)}
.field{margin-bottom:16px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
label{display:block;font-weight:700;font-size:.86rem;color:var(--nuit-800);margin-bottom:6px}
input,textarea,select{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font:inherit;font-size:.95rem;background:#fbfdff;color:var(--ink)}
input:focus,textarea:focus,select:focus{outline:2px solid var(--bleu-clair);border-color:var(--bleu)}
textarea{resize:vertical;min-height:120px}
form.contact .btn{width:100%;justify-content:center;margin-top:6px}
.consent{font-size:.78rem;color:var(--slate);margin-top:12px;text-align:center}
.form-note{display:none;background:#eaf3ec;color:#1c6b2f;border-radius:10px;padding:14px;font-weight:600;margin-bottom:16px;font-size:.92rem}
.form-error{display:none;background:#fdeaea;color:#a12626;border-radius:10px;padding:14px;font-weight:600;margin-bottom:16px;font-size:.92rem}

/* ---------- Pied de page ---------- */
footer{background:var(--nuit-900);color:#9fb0d0;padding:58px 0 30px;position:relative}
footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--or),transparent);opacity:.5}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;margin-bottom:34px}
footer .brand{color:#fff;margin-bottom:14px}
footer p{font-size:.92rem;max-width:44ch}
footer h4{color:#fff;font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:14px}
footer ul{list-style:none;display:flex;flex-direction:column;gap:9px}
footer ul a{color:#9fb0d0;font-size:.92rem}
footer ul a:hover{color:#fff}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:22px;font-size:.82rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;color:#8496b8}

/* ---------- Responsive ---------- */
@media(max-width:900px){
  .nav-links{position:fixed;inset:76px 0 auto 0;background:var(--nuit-800);flex-direction:column;gap:0;
    border-bottom:1px solid rgba(255,255,255,.1);padding:10px 0;display:none;box-shadow:0 20px 40px -20px rgba(0,0,0,.6)}
  .nav-links.open{display:flex}
  .nav-links a{padding:14px 24px;width:100%;border-radius:0}
  .nav-links a:not(.btn)::after{display:none}
  .nav-links a:not(.btn):hover,.nav-links a.active{background:rgba(255,255,255,.08)}
  .nav-links .btn{margin:12px 24px;width:calc(100% - 48px);justify-content:center}
  .burger{display:block}
  .hero-grid,.contact-grid{grid-template-columns:1fr;gap:40px}
  .grid,.grid.two,.stats .wrap,.satis-grid,.foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
  section{padding:62px 0}
  .grid,.grid.two,.stats .wrap,.satis-grid,.foot-grid,.row2,.constel-grid{grid-template-columns:1fr}
  .banner{flex-direction:column;align-items:flex-start}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto}}

/* Révélation au défilement (JS) */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-visible{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}

/* En-tête bouton contact (or) déjà stylé ; lien "page active" */
.nav-links a[aria-current="page"]{color:#fff;background:rgba(255,255,255,.1)}
.nav-links a[aria-current="page"]::after{transform:scaleX(1)}

/* Boutons : garder le libellé sur une ligne */
.btn{white-space:nowrap}