/* ============================================================
   QF — Qualité Formation · Design system
   Charte : navy (autorité) + vert émeraude (qualité/certification)
   ============================================================ */

:root{
  --navy:#0a1f33;
  --navy-2:#0f2a44;
  --navy-3:#143b5e;
  --emerald:#12a074;
  --emerald-2:#1cc78f;
  --emerald-dk:#0c7a58;
  --paper:#f6f7f4;
  --paper-2:#ecefe9;
  --ink:#0b1620;
  --slate:#566169;
  --line:#e2e6df;
  --white:#ffffff;
  --radius:16px;
  --radius-sm:10px;
  --maxw:1180px;
  --shadow:0 18px 50px -28px rgba(10,31,51,.35);
  --shadow-sm:0 10px 30px -22px rgba(10,31,51,.45);
  --ease:cubic-bezier(.22,.61,.36,1);
  font-synthesis:none;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:"Outfit",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.65;
  font-size:17px;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

h1,h2,h3,h4{
  font-family:"Fraunces","Cormorant Garamond",Georgia,serif;
  font-weight:500;
  line-height:1.12;
  letter-spacing:-.01em;
  color:var(--navy);
}
h1{font-size:clamp(2.3rem,5.2vw,3.85rem)}
h2{font-size:clamp(1.7rem,3.4vw,2.6rem)}
h3{font-size:1.32rem}
h1 em,h2 em,h3 em{font-style:italic;color:var(--emerald-dk);font-weight:500}
p{color:var(--slate)}
strong{color:var(--ink);font-weight:600}

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

/* ---------- Eyebrow ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:.74rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;
  color:var(--emerald-dk);margin-bottom:18px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--emerald);display:inline-block}
.eyebrow.center{justify-content:center}
.eyebrow.light{color:var(--emerald-2)}
.eyebrow.light::before{background:var(--emerald-2)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 26px;border-radius:999px;font-weight:600;font-size:.97rem;
  cursor:pointer;border:1.5px solid transparent;transition:.3s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--emerald);color:#fff;box-shadow:0 12px 28px -12px rgba(18,160,116,.7)}
.btn-primary:hover{background:var(--emerald-dk);transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--navy);border-color:var(--line)}
.btn-outline:hover{border-color:var(--emerald);color:var(--emerald-dk);transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.22)}
.btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}

/* ---------- Header ---------- */
header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:.35s var(--ease);
  background:transparent;
}
header.scrolled{background:rgba(255,255,255,.92);backdrop-filter:blur(14px);box-shadow:0 1px 0 var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:18px 24px;max-width:var(--maxw);margin:0 auto}
.brand{display:flex;align-items:center;gap:11px;font-family:"Fraunces",serif;font-size:1.28rem;color:#fff;transition:.35s}
header.scrolled .brand{color:var(--navy)}
.brand .mark{
  width:38px;height:38px;border-radius:10px;flex:none;
  background:linear-gradient(135deg,var(--emerald),var(--emerald-dk));
  display:grid;place-items:center;color:#fff;font-weight:700;font-size:1rem;
  font-family:"Outfit",sans-serif;letter-spacing:-.02em;
}
.brand b{font-weight:600}
.brand span{color:var(--emerald-2);font-style:italic}
header.scrolled .brand span{color:var(--emerald-dk)}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{font-size:.95rem;font-weight:500;color:rgba(255,255,255,.86);transition:.25s}
.nav-links a:hover{color:#fff}
header.scrolled .nav-links a{color:var(--slate)}
header.scrolled .nav-links a:hover{color:var(--navy)}
.nav-links .btn{padding:11px 22px}
header.scrolled .nav-links .btn-ghost{background:var(--emerald);color:#fff;border-color:var(--emerald)}
.lang-switch{font-size:.8rem;font-weight:700;letter-spacing:.06em;padding:7px 12px;border:1px solid rgba(255,255,255,.24);border-radius:999px;color:rgba(255,255,255,.85);transition:.25s}
.lang-switch:hover{border-color:var(--emerald-2);color:#fff}
header.scrolled .lang-switch{border-color:var(--line);color:var(--slate)}
header.scrolled .lang-switch:hover{border-color:var(--emerald);color:var(--emerald-dk)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.burger span{width:26px;height:2px;background:#fff;transition:.3s;display:block}
header.scrolled .burger span{background:var(--navy)}

/* ---------- Hero (accueil) ---------- */
.hero{
  position:relative;padding:170px 0 110px;overflow:hidden;
  background:radial-gradient(120% 130% at 75% 0%,var(--navy-2) 0%,var(--navy) 55%);
  color:#fff;
}
.hero::before{
  content:"";position:absolute;inset:0;opacity:.5;
  background:
    radial-gradient(60% 50% at 78% 12%,rgba(18,160,116,.32),transparent 60%),
    radial-gradient(40% 40% at 12% 90%,rgba(28,199,143,.12),transparent 60%);
}
.hero::after{
  content:"";position:absolute;inset:0;opacity:.4;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:54px 54px;mask-image:radial-gradient(80% 80% at 50% 30%,#000,transparent);
}
.hero .wrap{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center}
.hero h1{color:#fff;margin-bottom:24px;max-width:14ch}
.hero h1 em{color:var(--emerald-2)}
.hero .lead{font-size:1.18rem;color:rgba(255,255,255,.82);max-width:46ch;margin-bottom:34px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px}
.hero-trust{display:flex;gap:26px;flex-wrap:wrap;font-size:.86rem;color:rgba(255,255,255,.62)}
.hero-trust b{color:var(--emerald-2);font-family:"Fraunces",serif;font-size:1.5rem;display:block;font-weight:500}

/* Float badge */
.float-badge{
  position:relative;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius);padding:30px;backdrop-filter:blur(8px);
  animation:floaty 6s ease-in-out infinite;
}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
.float-badge .fb-top{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.float-badge .fb-ico{width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg,var(--emerald),var(--emerald-dk));display:grid;place-items:center;font-size:1.3rem}
.float-badge h3{color:#fff;font-size:1.1rem}
.float-badge .fb-list{list-style:none;display:flex;flex-direction:column;gap:13px}
.float-badge .fb-list li{display:flex;gap:11px;align-items:flex-start;color:rgba(255,255,255,.8);font-size:.93rem}
.float-badge .fb-list li::before{content:"✓";color:var(--emerald-2);font-weight:700;flex:none}

/* ---------- Marquee ---------- */
.marquee{background:var(--navy);border-top:1px solid rgba(255,255,255,.08);overflow:hidden;padding:16px 0}
.marquee-track{display:flex;gap:48px;white-space:nowrap;animation:scroll 32s linear infinite;width:max-content}
.marquee-track span{color:rgba(255,255,255,.5);font-size:.9rem;letter-spacing:.04em;display:flex;align-items:center;gap:48px}
.marquee-track span::after{content:"◆";color:var(--emerald)}
@keyframes scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- Subhero (pages internes) ---------- */
.subhero{
  position:relative;padding:150px 0 64px;overflow:hidden;color:#fff;
  background:radial-gradient(110% 120% at 80% 0%,var(--navy-2),var(--navy) 60%);
}
.subhero::after{
  content:"";position:absolute;inset:0;opacity:.35;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:54px 54px;mask-image:radial-gradient(70% 80% at 70% 20%,#000,transparent);
}
.subhero .wrap{position:relative;z-index:2}
.subhero h1{color:#fff;max-width:20ch;margin-bottom:18px}
.subhero .lead{color:rgba(255,255,255,.8);font-size:1.12rem;max-width:54ch}

/* ---------- Breadcrumb ---------- */
.crumb{background:var(--navy);border-top:1px solid rgba(255,255,255,.07);padding:13px 0}
.crumb .wrap{display:flex;gap:9px;font-size:.82rem;color:rgba(255,255,255,.5);flex-wrap:wrap}
.crumb a{color:rgba(255,255,255,.66)}
.crumb a:hover{color:var(--emerald-2)}
.crumb span[aria-current]{color:#fff}

/* ---------- Sections ---------- */
.sec{padding:96px 0}
.sec-sm{padding:64px 0}
.sec-head{max-width:62ch;margin-bottom:54px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head p{margin-top:16px;font-size:1.08rem}

/* ---------- Intro 2 cols ---------- */
.intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}
.intro-grid .prose p{margin-bottom:16px}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.stat{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.stat b{font-family:"Fraunces",serif;font-size:2.3rem;color:var(--emerald-dk);display:block;line-height:1}
.stat span{font-size:.88rem;color:var(--slate);margin-top:8px;display:block}

/* ---------- Expertise grid (cards) ---------- */
.exp-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.exp-grid.two{grid-template-columns:1fr 1fr}
.card{
  position:relative;background:var(--white);border:1px solid var(--line);
  border-radius:var(--radius);padding:34px 30px;transition:.35s var(--ease);overflow:hidden;
}
.card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--emerald),var(--emerald-2));transform:scaleX(0);transform-origin:left;transition:.4s var(--ease)}
.card:hover{transform:translateY(-7px);box-shadow:var(--shadow);border-color:transparent}
.card:hover::before{transform:scaleX(1)}
.card .ico{width:50px;height:50px;border-radius:13px;background:var(--paper-2);display:grid;place-items:center;font-size:1.5rem;margin-bottom:20px}
.card h3{margin-bottom:11px}
.card p{font-size:.96rem;margin-bottom:18px}
.card .more{font-weight:600;font-size:.9rem;color:var(--emerald-dk);display:inline-flex;gap:6px;align-items:center;transition:.25s}
.card:hover .more{gap:11px}
.card .tag{display:inline-block;font-size:.72rem;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--emerald-dk);background:rgba(18,160,116,.1);padding:4px 11px;border-radius:999px;margin-bottom:16px}

/* ---------- Approach / steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.step{position:relative;padding-top:14px}
.step::before{counter-increment:step;content:"0" counter(step);font-family:"Fraunces",serif;font-size:2.6rem;color:var(--emerald);opacity:.32;display:block;margin-bottom:10px;line-height:1}
.step h3{font-size:1.12rem;margin-bottom:9px}
.step p{font-size:.93rem}
.step::after{content:"";position:absolute;top:34px;left:64px;right:-12px;height:1px;background:repeating-linear-gradient(90deg,var(--line) 0 6px,transparent 6px 12px)}
.step:last-child::after{display:none}

/* ---------- Sectors ---------- */
.sect-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.sect{border-radius:var(--radius);padding:42px 38px;color:#fff;position:relative;overflow:hidden}
.sect.a{background:linear-gradient(135deg,var(--navy-2),var(--navy))}
.sect.b{background:linear-gradient(135deg,var(--emerald-dk),#0a5f44)}
.sect h3{color:#fff;font-size:1.5rem;margin-bottom:12px}
.sect p{color:rgba(255,255,255,.82);margin-bottom:20px}
.sect .more{color:#fff;font-weight:600;display:inline-flex;gap:7px}

/* ---------- Expert ---------- */
.expert-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:54px;align-items:center}
.expert-photo{border-radius:var(--radius);overflow:hidden;aspect-ratio:4/5;background:var(--paper-2);box-shadow:var(--shadow)}
.expert-photo img{width:100%;height:100%;object-fit:cover;object-position:center 30%}
.creds{display:flex;flex-direction:column;gap:14px;margin-top:24px}
.cred{display:flex;gap:13px;align-items:flex-start}
.cred .c-ico{flex:none;width:38px;height:38px;border-radius:10px;background:var(--paper-2);display:grid;place-items:center;font-size:1.1rem}
.cred b{display:block;font-size:.97rem}
.cred span{font-size:.88rem;color:var(--slate)}

/* ---------- References ---------- */
.ref-logos{display:flex;flex-wrap:wrap;gap:18px 40px;justify-content:center;align-items:center}
.ref-logos span{font-family:"Fraunces",serif;font-size:1.25rem;color:var(--slate);opacity:.72}

/* ---------- Zones d'intervention / connexes blocks ---------- */
.chip-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ---------- Longform (articles) ---------- */
.longform-grid{display:grid;grid-template-columns:230px 1fr;gap:54px;align-items:start}
.toc{position:sticky;top:100px;font-size:.9rem}
.toc b{display:block;font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:var(--slate);margin-bottom:14px}
.toc a{display:block;padding:6px 0;color:var(--slate);border-left:2px solid var(--line);padding-left:14px;transition:.25s}
.toc a:hover{color:var(--emerald-dk);border-color:var(--emerald)}
.article-body{max-width:72ch}
.article-body h2{margin:42px 0 16px}
.article-body h3{margin:30px 0 12px}
.article-body p{margin-bottom:18px}
.article-body ul,.article-body ol{margin:0 0 22px 22px}
.article-body li{margin-bottom:9px;color:var(--slate)}
.article-body a.inline{color:var(--emerald-dk);font-weight:600;border-bottom:1px solid rgba(18,160,116,.35)}
.article-body a.inline:hover{border-color:var(--emerald)}
.article-meta{display:flex;gap:18px;flex-wrap:wrap;font-size:.86rem;color:var(--slate);margin-bottom:8px}

/* ---------- Factbox / Key takeaways ---------- */
.factbox{
  background:var(--white);border:1px solid var(--line);border-left:4px solid var(--emerald);
  border-radius:var(--radius-sm);padding:24px 28px;
}
.factbox b{display:block;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--emerald-dk);margin-bottom:12px}
.factbox ul{list-style:none}
.factbox li{position:relative;padding-left:22px;margin-bottom:10px;color:var(--slate);font-size:.96rem}
.factbox li::before{content:"→";position:absolute;left:0;color:var(--emerald);font-weight:700}

/* ---------- Term card (glossaire) ---------- */
.term-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);padding:24px;transition:.3s}
.term-card:hover{border-color:var(--emerald);box-shadow:var(--shadow-sm)}
.term-card h3{font-size:1.1rem;margin-bottom:8px}
.term-card p{font-size:.92rem}

/* ---------- FAQ ---------- */
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden}
.faq-item summary{padding:22px 26px;font-weight:600;color:var(--navy);cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:center;font-size:1.04rem}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:1.5rem;color:var(--emerald);transition:.3s;flex:none}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{padding:0 26px 24px;font-size:.97rem}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:54px;align-items:start}
.contact-info{display:flex;flex-direction:column;gap:20px}
.contact-line{display:flex;gap:14px;align-items:flex-start}
.contact-line .c-ico{flex:none;width:44px;height:44px;border-radius:11px;background:var(--paper-2);display:grid;place-items:center;font-size:1.2rem}
.contact-line b{display:block;font-size:.97rem}
.contact-line a,.contact-line span{font-size:.95rem;color:var(--slate)}
form .field{margin-bottom:18px}
form label{display:block;font-size:.86rem;font-weight:600;margin-bottom:7px;color:var(--navy)}
form input,form textarea{
  width:100%;padding:14px 16px;border:1.5px solid var(--line);border-radius:var(--radius-sm);
  font-family:inherit;font-size:.97rem;color:var(--ink);background:var(--white);transition:.25s;
}
form input:focus,form textarea:focus{outline:none;border-color:var(--emerald);box-shadow:0 0 0 3px rgba(18,160,116,.12)}
form textarea{resize:vertical;min-height:130px}
.hp{position:absolute;left:-9999px}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-note{font-size:.82rem;color:var(--slate);margin-top:6px}
.form-msg{display:none;padding:14px 18px;border-radius:var(--radius-sm);margin-top:16px;font-size:.93rem}
.form-msg.ok{display:block;background:rgba(18,160,116,.1);color:var(--emerald-dk);border:1px solid rgba(18,160,116,.3)}
.form-msg.err{display:block;background:#fdecec;color:#b3261e;border:1px solid #f3c2bf}

/* ---------- CTA band ---------- */
.cta-band{position:relative;overflow:hidden;background:radial-gradient(100% 160% at 50% 0,var(--navy-2),var(--navy));color:#fff;text-align:center;padding:80px 0}
.cta-band::after{content:"";position:absolute;inset:0;opacity:.4;background:radial-gradient(50% 60% at 50% 0,rgba(18,160,116,.3),transparent 60%)}
.cta-band .wrap{position:relative;z-index:2}
.cta-band h2{color:#fff;margin-bottom:16px}
.cta-band p{color:rgba(255,255,255,.82);max-width:52ch;margin:0 auto 30px}
.cta-band .hero-cta{justify-content:center}

/* ---------- Footer ---------- */
footer{background:var(--navy);color:rgba(255,255,255,.66);padding:70px 0 34px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1)}
.foot-brand .brand{color:#fff;margin-bottom:16px}
.foot-brand p{font-size:.9rem;color:rgba(255,255,255,.55);max-width:30ch}
footer h4{color:#fff;font-family:"Outfit",sans-serif;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:18px;font-weight:600}
footer ul{list-style:none;display:flex;flex-direction:column;gap:11px}
footer ul a{font-size:.92rem;color:rgba(255,255,255,.66);transition:.25s}
footer ul a:hover{color:var(--emerald-2)}
.foot-bottom{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;padding-top:26px;font-size:.83rem;color:rgba(255,255,255,.45)}
.foot-bottom a{color:rgba(255,255,255,.6)}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:.7s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}

/* ---------- Responsive ---------- */
@media(max-width:900px){
  .hero-grid,.intro-grid,.expert-grid,.contact-grid,.longform-grid{grid-template-columns:1fr;gap:38px}
  .exp-grid,.exp-grid.two,.steps,.sect-grid,.stat-grid,.two-col{grid-template-columns:1fr}
  .float-badge{max-width:420px}
  .toc{display:none}
  .step::after{display:none}
  .nav-links{
    position:fixed;top:0;right:0;bottom:0;width:min(82vw,340px);
    background:var(--navy);flex-direction:column;align-items:flex-start;justify-content:center;
    gap:24px;padding:40px;transform:translateX(100%);transition:.4s var(--ease);z-index:120;
  }
  .nav-links.open{transform:none}
  .nav-links a{color:#fff;font-size:1.1rem}
  header.scrolled .nav-links a{color:#fff}
  .burger{display:flex;z-index:130}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
  body{font-size:16px}
  .sec{padding:68px 0}
  .foot-grid{grid-template-columns:1fr}
  .hero{padding:140px 0 80px}
}