/* KNN Consulting — styles du gabarit « accueil » (sortis des pages, Lot 1 / C3). */
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-weight:300;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
.wrap{max-width:1180px;margin:0 auto;padding:0 32px}

body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:1;opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- NAV ---------- */
nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  backdrop-filter:blur(10px);
  background:rgba(12,21,18,.72);
  border-bottom:1px solid transparent;
  transition:border-color .4s,background .4s;
}
nav.scrolled{border-bottom:1px solid var(--line)}
.nav-inner{display:flex;justify-content:space-between;align-items:center;height:78px}
.brand-link{display:inline-flex;line-height:0}
.brand-logo,.foot-logo{height:42px;width:auto;display:block}
.nav-links{display:flex;gap:38px;align-items:center}
.nav-links a{color:var(--ink-soft);text-decoration:none;font-size:.84rem;letter-spacing:.04em;text-transform:uppercase;font-weight:400;transition:color .25s}
.nav-links a:hover{color:var(--ink)}
.nav-cta{border:1px solid var(--line);padding:9px 20px;border-radius:2px;color:var(--ink)!important;transition:all .3s}
.nav-cta:hover{border-color:var(--accent);color:var(--accent)!important}

/* ---------- HERO ---------- */
header{position:relative;padding:194px 0 130px;overflow:hidden}
header::after{
  content:"";position:absolute;top:-20%;right:-10%;width:60vw;height:60vw;max-width:780px;max-height:780px;
  background:radial-gradient(circle,var(--green-glow),transparent 62%);
  pointer-events:none;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:12px;font-size:.78rem;letter-spacing:.22em;
  text-transform:uppercase;color:var(--accent);font-weight:500;margin-bottom:34px;
}
.eyebrow::before{content:"";width:34px;height:1px;background:var(--accent)}
h1{
  font-family:var(--serif);font-weight:400;font-size:clamp(2.6rem,5.7vw,4.7rem);
  line-height:1.06;letter-spacing:-.015em;max-width:16ch;margin-bottom:34px;
}
h1 em{font-style:italic;color:var(--green-bright)}
.lede{font-size:clamp(1.05rem,1.7vw,1.32rem);color:var(--ink-soft);max-width:60ch;font-weight:300;line-height:1.6}
.hero-cta{margin-top:48px;display:flex;gap:18px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:10px;padding:15px 30px;border-radius:2px;
  font-size:.92rem;font-weight:500;letter-spacing:.02em;text-decoration:none;cursor:pointer;
  transition:all .3s;border:1px solid transparent;
}
.btn-primary{background:var(--green);color:#eafaf3}
.btn-primary:hover{background:var(--green-mid);transform:translateY(-2px)}
.btn-ghost{border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink-soft)}

.hero-stats{
  margin-top:90px;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:3px;overflow:hidden;
}
.stat{background:var(--bg);padding:30px 26px}
.stat .num{font-family:var(--serif);font-size:2.5rem;font-weight:500;color:var(--green-bright);line-height:1}
.stat .lab{font-size:.82rem;color:var(--ink-faint);margin-top:10px;letter-spacing:.02em}

/* ---------- SECTION SHELL ---------- */
section{position:relative;z-index:2;padding:110px 0;border-top:1px solid var(--line)}
.sec-head{margin-bottom:64px;max-width:62ch}
.sec-tag{font-size:.76rem;letter-spacing:.2em;text-transform:uppercase;color:var(--accent);font-weight:500;margin-bottom:18px;display:block}
.sec-title{font-family:var(--serif);font-weight:400;font-size:clamp(2rem,3.7vw,2.9rem);line-height:1.12;letter-spacing:-.01em}
.sec-sub{margin-top:22px;color:var(--ink-soft);font-size:1.06rem;font-weight:300}

/* ---------- VALUE ---------- */
.value-grid{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:start}
.value-text p{color:var(--ink-soft);margin-bottom:20px;font-size:1.05rem}
.value-text p strong{color:var(--ink);font-weight:500}
.value-list{list-style:none}
.value-list li{padding:22px 0;border-bottom:1px solid var(--line);display:flex;gap:18px}
.value-list li:last-child{border-bottom:none}
.value-list .n{font-family:var(--serif);color:var(--accent);font-size:1.15rem;flex-shrink:0}
.value-list .t{font-size:1.02rem;color:var(--ink-soft)}
.value-list .t b{color:var(--ink);font-weight:500;display:block;margin-bottom:3px}

/* ---------- OFFERS ---------- */
.offers{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.offer{
  background:var(--panel);border:1px solid var(--line);border-radius:4px;padding:40px 34px;
  position:relative;transition:transform .35s,border-color .35s;overflow:hidden;
}
.offer::before{content:"";position:absolute;top:0;left:0;width:100%;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .4s}
.offer:hover{transform:translateY(-6px);border-color:#3a4d43}
.offer:hover::before{transform:scaleX(1)}
.offer .icon{width:42px;height:42px;margin-bottom:24px;color:var(--accent)}
.offer h3{font-family:var(--serif);font-weight:500;font-size:1.42rem;margin-bottom:14px;line-height:1.2}
.offer p{color:var(--ink-soft);font-size:.97rem;margin-bottom:22px}
.offer ul{list-style:none}
.offer ul li{font-size:.92rem;color:var(--ink-faint);padding:8px 0 8px 20px;position:relative}
.offer ul li::before{content:"—";position:absolute;left:0;color:var(--accent)}

/* ---------- OFFERS ENRICH ---------- */
.offer .offer-tag{font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-weight:500;margin-bottom:14px;display:block}
.when{margin-top:54px;display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:4px;overflow:hidden}
.when-col{background:var(--bg);padding:34px 32px}
.when-col h4{font-family:var(--serif);font-weight:500;font-size:1.18rem;margin-bottom:20px}
.when-col ul{list-style:none}
.when-col li{font-size:.95rem;color:var(--ink-soft);padding:9px 0 9px 22px;position:relative}
.when-col li::before{content:"";position:absolute;left:0;top:16px;width:7px;height:7px;background:var(--accent);border-radius:2px}

/* ---------- PROFIL / ADEQUATION ---------- */
.profil-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:54px;align-items:start}
.adq-list{list-style:none}
.adq-list li{padding:22px 0;border-bottom:1px solid var(--line);display:flex;gap:16px}
.adq-list li:last-child{border-bottom:none}
.adq-list .tick{color:var(--accent);flex-shrink:0;font-size:1.1rem;line-height:1.5}
.adq-list .t{font-size:1.02rem;color:var(--ink-soft)}
.adq-list .t b{color:var(--ink);font-weight:500}
.quote-box{background:var(--panel);border:1px solid var(--line);border-radius:4px;padding:40px 34px;position:relative}
.quote-box::before{content:"";position:absolute;top:0;left:0;width:100%;height:2px;background:var(--accent)}
.quote-box .q{font-family:var(--serif);font-style:italic;font-size:1.28rem;line-height:1.4;color:var(--ink);margin-bottom:22px}
.quote-box .qr{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-weight:500}

/* ---------- APPROACH ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.step{padding:0 28px;border-left:1px solid var(--line)}
.step:first-child{padding-left:0;border-left:none}
.step .sn{font-family:var(--serif);font-size:1rem;color:var(--accent);letter-spacing:.1em;margin-bottom:18px}
.step h3{font-family:var(--serif);font-weight:500;font-size:1.25rem;margin-bottom:12px}
.step p{color:var(--ink-soft);font-size:.94rem}

/* ---------- PROOF ---------- */
.proof-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:4px;overflow:hidden}
.proof{background:var(--bg);padding:40px 34px}
.proof .ctx{font-size:.76rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin-bottom:16px}
.proof .res{font-family:var(--serif);font-size:1.5rem;font-weight:500;line-height:1.25;margin-bottom:14px}
.proof .det{color:var(--ink-soft);font-size:.94rem}

/* ---------- ABOUT ---------- */
.about-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:64px;align-items:start}
.about-text p{color:var(--ink-soft);font-size:1.08rem;margin-bottom:22px}
.about-text p strong{color:var(--ink);font-weight:500}
.cred-box{background:var(--panel);border:1px solid var(--line);border-radius:4px;padding:34px}
.cred-box h3{font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);margin-bottom:22px}
.cred-row{padding:14px 0;border-bottom:1px solid var(--line);font-size:.95rem}
.cred-row:last-child{border-bottom:none}
.cred-row b{color:var(--ink);font-weight:500;display:block}
.cred-row span{color:var(--ink-faint);font-size:.86rem}
.lang-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
.lang-tag{font-size:.82rem;color:var(--ink-soft);border:1px solid var(--line);padding:5px 13px;border-radius:20px}

/* ---------- CONTACT ---------- */
#contact{border-top:1px solid var(--line);background:linear-gradient(180deg,var(--bg),var(--bg-soft))}
.contact-inner{text-align:center;max-width:60ch;margin:0 auto}
.contact-inner .sec-title{margin-bottom:24px}
.contact-inner p{color:var(--ink-soft);font-size:1.12rem;margin-bottom:20px}
.contact-email{display:inline-block;font-family:var(--serif);font-size:1.5rem;color:var(--green-bright);text-decoration:none;margin-bottom:36px;transition:color .25s;border-bottom:1px solid transparent}
.contact-email:hover{color:var(--accent);border-bottom-color:var(--accent)}
.contact-actions{display:flex;gap:18px;justify-content:center;flex-wrap:wrap}

/* ---------- FOOTER ---------- */
footer{padding:54px 0 34px;border-top:1px solid var(--line);z-index:2;position:relative;background:var(--bg-soft)}
.foot-top{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:30px;padding-bottom:32px;border-bottom:1px solid var(--line)}
.foot-logo{height:46px}
.foot-meta{font-size:.86rem;color:var(--ink-faint);max-width:none;margin-top:14px;line-height:1.6}
.foot-nav{position:static;z-index:auto;backdrop-filter:none;background:none;display:flex;gap:26px;flex-wrap:wrap;margin-top:8px;padding-top:22px;border-top:1px solid var(--line)}
.foot-nav a{color:var(--ink-soft);text-decoration:none;font-size:.86rem;letter-spacing:.03em;transition:color .25s}
.foot-nav a:hover{color:var(--accent)}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;padding-top:26px}
.foot-legal{display:flex;gap:22px;flex-wrap:wrap}
.foot-legal a{color:var(--ink-faint);text-decoration:none;font-size:.8rem;transition:color .25s}
.foot-legal a:hover{color:var(--accent)}
.foot-copy{font-size:.8rem;color:var(--ink-faint)}

/* ---------- REVEAL ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- RESPONSIVE ---------- */
@media(max-width:900px){
  .nav-links{display:none}
  .value-grid,.about-grid{grid-template-columns:1fr;gap:42px}
  .offers,.proof-grid{grid-template-columns:1fr}
  .when,.profil-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr;gap:34px 28px}
  .step{border-left:none;padding:0}
  .hero-stats{grid-template-columns:1fr 1fr}
  header{padding:150px 0 90px}
  .brand-logo{height:36px}
}
@media(max-width:560px){
  .wrap{padding:0 22px}
  .steps,.hero-stats{grid-template-columns:1fr}
  .hero-cta,.contact-actions{flex-direction:column}
  .btn{justify-content:center}
}

/* Menu mobile (Lot 0, 27/10/2026) */
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;padding:0 10px;background:none;border:1px solid var(--line);border-radius:2px;cursor:pointer}
.nav-toggle span{display:block;height:1px;background:var(--ink);transition:transform .25s,opacity .25s}
nav.open .nav-toggle span:nth-child(1){transform:translateY(6px) rotate(45deg)}
nav.open .nav-toggle span:nth-child(2){opacity:0}
nav.open .nav-toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
@media(max-width:900px){
  .nav-toggle{display:flex}
  nav.open{background:var(--bg)}
  nav.open .nav-links{display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:var(--bg);border-bottom:1px solid var(--line);padding:4px 24px 18px}
  nav.open .nav-links a{padding:15px 0;border-bottom:1px solid var(--line)}
  nav.open .nav-links a.nav-cta{border:none;padding:15px 0;color:var(--accent)!important}
}