/* =========================================================
   O2R DÉVELOPPEMENTS — Feuille de style principale
   Charte : #189ba5 (turquoise) / #052728 (vert profond)
   Typographie : Quicksand
   ========================================================= */

/* Typographie de marque auto-hébergée — aucune requête vers un service tiers */
@font-face{font-family:'Quicksand';src:url('../fonts/Quicksand-Light.woff') format('woff');font-weight:300;font-style:normal;font-display:swap;}
@font-face{font-family:'Quicksand';src:url('../fonts/Quicksand-Regular.woff') format('woff');font-weight:400;font-style:normal;font-display:swap;}
@font-face{font-family:'Quicksand';src:url('../fonts/Quicksand-Medium.woff') format('woff');font-weight:500;font-style:normal;font-display:swap;}
@font-face{font-family:'Quicksand';src:url('../fonts/Quicksand-Bold.woff') format('woff');font-weight:600 700;font-style:normal;font-display:swap;}

:root{
  --teal:#189ba5;
  --teal-light:#3fb6bf;
  --teal-pale:#e8f5f6;
  --teal-mist:#f4fafb;
  --deep:#052728;
  --deep-soft:#0b3a3c;
  --deep-line:rgba(5,39,40,.10);
  --ink:#0f2b2c;
  --ink-soft:#4a6567;
  --paper:#ffffff;
  --paper-warm:#fbfcfc;
  --radius:14px;
  --radius-lg:26px;
  --shadow-sm:0 2px 10px rgba(5,39,40,.05);
  --shadow:0 14px 40px rgba(5,39,40,.09);
  --shadow-lg:0 28px 70px rgba(5,39,40,.16);
  --max:1180px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'Quicksand',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  font-weight:500;
  color:var(--ink);
  background:var(--paper);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{font-weight:600;line-height:1.15;letter-spacing:-.02em;color:var(--deep);margin:0 0 .6em;}
h1{font-size:clamp(2.3rem,5.2vw,4rem);font-weight:600;}
h2{font-size:clamp(1.75rem,3.4vw,2.7rem);}
h3{font-size:clamp(1.15rem,1.7vw,1.4rem);}
p{margin:0 0 1.1em;}
.lead{font-size:clamp(1.05rem,1.6vw,1.28rem);font-weight:400;color:var(--ink-soft);line-height:1.72;}
strong{font-weight:700;color:var(--deep);}

.wrap{max-width:var(--max);margin:0 auto;padding:0 28px;}
.narrow{max-width:820px;}
section{padding:clamp(64px,8vw,120px) 0;}
.tint{background:var(--teal-mist);}
.dark{background:var(--deep);color:#cfe3e4;}
.dark h1,.dark h2,.dark h3{color:#fff;}
.dark .lead{color:rgba(255,255,255,.72);}
.dark strong{color:#fff;}

/* ---------- Eyebrow / kicker ---------- */
.kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-size:.74rem;font-weight:700;letter-spacing:.22em;text-transform:uppercase;
  color:var(--teal);margin-bottom:20px;
}
.kicker::before{content:"";width:26px;height:2px;background:var(--teal);display:block;}
.dark .kicker{color:var(--teal-light);}
.dark .kicker::before{background:var(--teal-light);}

/* ---------- Boutons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:15px 30px;border-radius:100px;
  font-family:inherit;font-weight:600;font-size:.95rem;letter-spacing:.01em;
  border:1.5px solid transparent;cursor:pointer;
  transition:all .35s var(--ease);
}
.btn-primary{background:var(--teal);color:#fff;box-shadow:0 8px 24px rgba(24,155,165,.28);}
.btn-primary:hover{background:var(--deep);box-shadow:0 12px 32px rgba(5,39,40,.28);transform:translateY(-2px);}
.btn-ghost{border-color:rgba(5,39,40,.18);color:var(--deep);}
.btn-ghost:hover{border-color:var(--teal);color:var(--teal);transform:translateY(-2px);}
.dark .btn-ghost{border-color:rgba(255,255,255,.28);color:#fff;}
.dark .btn-ghost:hover{border-color:var(--teal-light);color:var(--teal-light);}
.btn-light{background:#fff;color:var(--deep);}
.btn-light:hover{background:var(--teal-light);color:#fff;transform:translateY(-2px);}
.arrow{transition:transform .35s var(--ease);}
.btn:hover .arrow{transform:translateX(4px);}

/* ---------- En-tête ---------- */
header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.86);
  backdrop-filter:saturate(180%) blur(16px);
  -webkit-backdrop-filter:saturate(180%) blur(16px);
  border-bottom:1px solid transparent;
  transition:border-color .3s,box-shadow .3s;
}
header.scrolled{border-bottom-color:var(--deep-line);box-shadow:var(--shadow-sm);}
.nav{display:flex;align-items:center;justify-content:space-between;height:82px;}
.brand img{height:38px;width:auto;}
.nav-links{display:flex;align-items:center;gap:clamp(16px,2.1vw,30px);list-style:none;margin:0;padding:0;}
.nav-links li{white-space:nowrap;}
.nav-links a{
  font-size:.93rem;font-weight:600;color:var(--ink-soft);
  position:relative;padding:6px 0;transition:color .25s;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--teal);transition:width .3s var(--ease);
}
.nav-links a:hover,.nav-links a.active{color:var(--deep);}
.nav-links a:hover::after,.nav-links a.active::after{width:100%;}
.nav-cta{margin-left:8px;}
.burger{display:none;background:none;border:0;cursor:pointer;padding:10px;}
.burger span{display:block;width:24px;height:2px;background:var(--deep);margin:5px 0;transition:.3s var(--ease);border-radius:2px;}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.burger.open span:nth-child(2){opacity:0;}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- Hero ---------- */
.hero{
  position:relative;padding:clamp(70px,9vw,130px) 0 clamp(70px,9vw,120px);
  background:
    radial-gradient(1100px 620px at 88% -10%, rgba(24,155,165,.13), transparent 62%),
    radial-gradient(760px 520px at 4% 100%, rgba(24,155,165,.07), transparent 60%),
    var(--paper);
  overflow:hidden;
}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:64px;align-items:center;}
.hero h1{margin-bottom:.45em;}
.hero h1 em{font-style:normal;color:var(--teal);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero-visual{position:relative;}
.hero-mark{
  width:100%;aspect-ratio:1;border-radius:50%;
  background:linear-gradient(150deg,var(--teal) 0%,var(--deep) 100%);
  display:grid;place-items:center;position:relative;
  box-shadow:var(--shadow-lg);
}
.hero-mark img{width:62%;filter:brightness(0) invert(1);}
.hero-ring{
  position:absolute;inset:-24px;border-radius:50%;
  border:1px solid rgba(24,155,165,.22);
  animation:pulse 7s var(--ease) infinite;
}
@keyframes pulse{0%,100%{transform:scale(1);opacity:.9;}50%{transform:scale(1.035);opacity:.45;}}

/* bandeau de repères sous le hero */
.pillars{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--deep-line);border-top:1px solid var(--deep-line);border-bottom:1px solid var(--deep-line);
}
.pillars div{background:var(--paper);padding:30px 26px;}
.pillars b{display:block;font-size:1.4rem;font-weight:700;color:var(--teal);letter-spacing:-.02em;line-height:1.2;}
.pillars span{font-size:.86rem;color:var(--ink-soft);font-weight:500;}

/* ---------- Grilles ---------- */
.grid{display:grid;gap:26px;}
.g2{grid-template-columns:repeat(2,1fr);}
.g3{grid-template-columns:repeat(3,1fr);}
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,84px);align-items:center;}
.split-40{grid-template-columns:.85fr 1.15fr;}

/* ---------- Cartes ---------- */
.card{
  background:var(--paper);border:1px solid var(--deep-line);border-radius:var(--radius-lg);
  padding:38px 34px;transition:all .4s var(--ease);position:relative;overflow:hidden;
}
.card::after{
  content:"";position:absolute;left:0;top:0;height:3px;width:0;background:var(--teal);
  transition:width .45s var(--ease);
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent;}
.card:hover::after{width:100%;}
.card h3{margin-bottom:.5em;}
.card p{color:var(--ink-soft);font-size:.96rem;font-weight:400;margin-bottom:0;}
.card-num{
  font-size:.75rem;font-weight:700;letter-spacing:.18em;color:var(--teal);
  display:block;margin-bottom:16px;
}
.icon{
  width:52px;height:52px;border-radius:15px;background:var(--teal-pale);
  display:grid;place-items:center;margin-bottom:22px;transition:all .4s var(--ease);
}
.icon svg{width:24px;height:24px;stroke:var(--teal);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.card:hover .icon{background:var(--teal);}
.card:hover .icon svg{stroke:#fff;}

.card-dark{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.12);}
.card-dark p{color:rgba(255,255,255,.68);}
.card-dark .icon{background:rgba(24,155,165,.18);}
.card-dark .icon svg{stroke:var(--teal-light);}

/* ---------- Liste à puces custom ---------- */
.checks{list-style:none;padding:0;margin:0;display:grid;gap:14px;}
.checks li{position:relative;padding-left:34px;font-size:.98rem;color:var(--ink-soft);font-weight:500;}
.checks li::before{
  content:"";position:absolute;left:0;top:.5em;width:16px;height:9px;
  border-left:2px solid var(--teal);border-bottom:2px solid var(--teal);
  transform:rotate(-45deg);
}
.dark .checks li{color:rgba(255,255,255,.72);}
.dark .checks li::before{border-color:var(--teal-light);}

/* ---------- Méthode / étapes ---------- */
.steps{counter-reset:s;display:grid;gap:0;}
.step{
  display:grid;grid-template-columns:78px 1fr;gap:28px;
  padding:32px 0;border-top:1px solid var(--deep-line);
}
.step:last-child{border-bottom:1px solid var(--deep-line);}
.step-n{
  counter-increment:s;font-size:2.1rem;font-weight:300;color:var(--teal);line-height:1;
}
.step-n::before{content:"0" counter(s);}
.step h3{margin-bottom:.35em;}
.step p{color:var(--ink-soft);font-size:.97rem;font-weight:400;margin:0;}

/* ---------- Portrait dirigeant ---------- */
.portrait{position:relative;}
.portrait-frame{
  border-radius:var(--radius-lg);overflow:hidden;position:relative;
  background:linear-gradient(165deg,var(--teal-pale) 0%,#dff0f1 100%);
  box-shadow:var(--shadow);
}
.portrait-frame img{width:100%;display:block;}
.portrait-badge{
  position:absolute;right:-14px;bottom:26px;background:var(--deep);color:#fff;
  padding:18px 26px;border-radius:16px;box-shadow:var(--shadow);max-width:230px;
}
.portrait-badge b{display:block;font-size:.95rem;font-weight:700;}
.portrait-badge span{font-size:.8rem;color:rgba(255,255,255,.6);font-weight:500;line-height:1.4;display:block;}

.quote{
  border-left:3px solid var(--teal);padding:6px 0 6px 26px;
  font-size:clamp(1.1rem,1.9vw,1.5rem);font-weight:400;line-height:1.55;color:var(--deep);
  letter-spacing:-.01em;margin:0 0 26px;
}
.dark .quote{color:#fff;border-color:var(--teal-light);}

/* ---------- Timeline parcours ---------- */
.tl{list-style:none;margin:0;padding:0 0 0 30px;border-left:1px solid var(--deep-line);}
.tl li{position:relative;padding:0 0 30px 26px;}
.tl li::before{
  content:"";position:absolute;left:-37.5px;top:9px;width:11px;height:11px;border-radius:50%;
  background:var(--paper);border:2px solid var(--teal);
}
.tl b{display:block;font-size:1.02rem;color:var(--deep);font-weight:700;}
.tl span{font-size:.8rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--teal);}
.tl p{margin:.35em 0 0;font-size:.94rem;color:var(--ink-soft);font-weight:400;}

/* ---------- Écosystème ---------- */
.eco{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.eco-item{
  border:1px solid var(--deep-line);border-radius:var(--radius);padding:30px 28px;
  background:var(--paper);transition:all .4s var(--ease);
}
.eco-item:hover{border-color:var(--teal);transform:translateY(-4px);box-shadow:var(--shadow-sm);}
.eco-item b{display:block;font-size:1.06rem;color:var(--deep);margin-bottom:6px;font-weight:700;}
.eco-item p{margin:0;font-size:.93rem;color:var(--ink-soft);font-weight:400;}
.eco-tag{
  display:inline-block;font-size:.68rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--teal);background:var(--teal-pale);padding:4px 10px;border-radius:6px;margin-bottom:14px;
}

/* ---------- CTA bande ---------- */
.cta-band{
  background:linear-gradient(135deg,var(--deep) 0%,#0a3b3d 55%,var(--teal) 190%);
  color:#fff;border-radius:var(--radius-lg);padding:clamp(44px,6vw,72px);
  text-align:center;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(24,155,165,.35),transparent 68%);
  top:-160px;right:-110px;
}
.cta-band h2{color:#fff;position:relative;}
.cta-band p{color:rgba(255,255,255,.75);max-width:600px;margin:0 auto 30px;position:relative;font-weight:400;}
.cta-band .btn{position:relative;}

/* ---------- Formulaire ---------- */
.form-card{
  background:var(--paper);border:1px solid var(--deep-line);border-radius:var(--radius-lg);
  padding:clamp(30px,4vw,48px);box-shadow:var(--shadow-sm);
}
.field{margin-bottom:22px;}
.field label{
  display:block;font-size:.78rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:var(--deep);margin-bottom:9px;
}
.field input,.field select,.field textarea{
  width:100%;padding:14px 17px;border:1.5px solid rgba(5,39,40,.13);border-radius:11px;
  font-family:inherit;font-size:.97rem;font-weight:500;color:var(--ink);background:var(--paper-warm);
  transition:border-color .25s,background .25s,box-shadow .25s;
}
.field textarea{min-height:140px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--teal);background:#fff;box-shadow:0 0 0 4px rgba(24,155,165,.11);
}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.consent{display:flex;gap:12px;align-items:flex-start;font-size:.84rem;color:var(--ink-soft);font-weight:500;line-height:1.55;}
.consent input{width:18px;height:18px;flex:0 0 auto;margin-top:3px;accent-color:var(--teal);}
.form-msg{
  display:none;margin-top:18px;padding:16px 20px;border-radius:12px;font-size:.92rem;font-weight:600;
}
.form-msg.ok{display:block;background:var(--teal-pale);color:var(--deep);border:1px solid rgba(24,155,165,.3);}
.form-msg.err{display:block;background:#fdecec;color:#8c2f2f;border:1px solid rgba(140,47,47,.25);}

/* ---------- Page header interne ---------- */
.page-head{
  padding:clamp(58px,7vw,96px) 0 clamp(40px,5vw,64px);
  background:
    radial-gradient(900px 460px at 90% -30%, rgba(24,155,165,.12), transparent 60%),
    var(--paper);
  border-bottom:1px solid var(--deep-line);
}
.page-head h1{max-width:15ch;}
.page-head .lead{max-width:62ch;}
.crumb{font-size:.8rem;font-weight:600;color:var(--ink-soft);margin-bottom:18px;}
.crumb a:hover{color:var(--teal);}

/* ---------- Pied de page ---------- */
footer{background:var(--deep);color:rgba(255,255,255,.6);padding:74px 0 34px;font-size:.92rem;}
.f-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:44px;margin-bottom:50px;}
footer img{height:34px;margin-bottom:20px;}
footer h4{color:#fff;font-size:.76rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;margin-bottom:18px;}
footer ul{list-style:none;padding:0;margin:0;display:grid;gap:11px;}
footer a{transition:color .25s;}
footer a:hover{color:var(--teal-light);}
footer p{font-size:.92rem;line-height:1.7;font-weight:400;}
.f-bottom{
  border-top:1px solid rgba(255,255,255,.11);padding-top:26px;
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:.84rem;
}

/* ---------- Légal ---------- */
.legal h2{font-size:1.35rem;margin-top:2.2em;}
.legal h2:first-of-type{margin-top:0;}
.legal p,.legal li{font-size:.95rem;color:var(--ink-soft);font-weight:400;}
.legal ul{padding-left:20px;}

/* ---------- Animations à l'apparition ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s var(--ease),transform .8s var(--ease);}
.reveal.in{opacity:1;transform:none;}

/* ---------- Responsive ---------- */
/* menu à six entrées : bascule burger plus tôt que le reste de la mise en page */
@media(max-width:1120px){
  .nav-links a{font-size:.88rem;}
  .nav-links .btn{padding:12px 22px;font-size:.88rem;}
}
@media(max-width:980px){
  .hero-grid,.split,.g3,.g2,.eco,.f-grid{grid-template-columns:1fr;}
  .g3,.g2{gap:20px;}
  .f-grid{gap:34px;}
  .pillars{grid-template-columns:repeat(2,1fr);}
  .hero-visual{max-width:340px;margin:0 auto;order:-1;}
  .portrait-badge{right:12px;}
  .burger{display:block;}
  .nav-links{
    position:absolute;top:82px;left:0;right:0;background:#fff;
    flex-direction:column;align-items:stretch;gap:0;padding:12px 28px 26px;
    border-bottom:1px solid var(--deep-line);box-shadow:var(--shadow);
    display:none;
  }
  .nav-links.open{display:flex;}
  .nav-links li{border-bottom:1px solid var(--deep-line);}
  .nav-links li:last-child{border:0;padding-top:16px;}
  .nav-links a{display:block;padding:15px 0;font-size:1rem;}
  .nav-links a::after{display:none;}
  .field-row{grid-template-columns:1fr;}
  .step{grid-template-columns:1fr;gap:8px;}
}
@media(max-width:520px){
  .wrap{padding:0 20px;}
  .pillars{grid-template-columns:1fr;}
  .card{padding:30px 26px;}
  .f-bottom{flex-direction:column;}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
}