/* ============ TOKENS ============ */
:root{
  --indigo:#1B2340;
  --indigo-soft:#252d52;
  --copper:#B4713C;
  --copper-soft:#c98a56;
  --cream:#F7F5F0;
  --slate:#5A6178;
  --border:#E4E6EE;
  --white:#ffffff;
  --font-sans:'IBM Plex Sans', Arial, Helvetica, sans-serif;
  --font-mono:'IBM Plex Mono', 'Courier New', monospace;
  --container:1120px;
  --radius:2px;
  --ease:cubic-bezier(.4,0,.2,1);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  color:var(--indigo);
  background:var(--cream);
  -webkit-font-smoothing:antialiased;
  line-height:1.55;
}
img,svg{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;cursor:pointer;}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important;}
}

:focus-visible{outline:2px solid var(--copper); outline-offset:3px;}

.wrap{max-width:var(--container); margin:0 auto; padding:0 24px;}

.eyebrow{
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--copper);
  font-weight:500;
}

h1{font-size:clamp(2.1rem, 5.4vw, 3.5rem); font-weight:700; line-height:1.08; letter-spacing:-.01em;}
h2{font-size:clamp(1.5rem, 3.2vw, 2.1rem); font-weight:700; line-height:1.16; letter-spacing:-.01em;}
h3{font-size:1.15rem; font-weight:600;}
p.lead{font-size:1.1rem; color:var(--slate);}
p{color:var(--indigo);}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:13px 24px;
  font-size:.95rem;
  font-weight:600;
  border-radius:var(--radius);
  border:1px solid transparent;
  transition:transform .15s var(--ease), background .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--copper); color:var(--white);}
.btn-primary:hover{background:#9c5f31; transform:translateY(-1px);}
.btn-ghost{border-color:var(--indigo); color:var(--indigo);}
.btn-ghost:hover{background:var(--indigo); color:var(--white);}
.btn-ghost-light{border-color:rgba(255,255,255,.4); color:var(--white);}
.btn-ghost-light:hover{background:var(--white); color:var(--indigo); border-color:var(--white);}
.btn svg{width:14px;height:14px;}

/* ============ HEADER ============ */
header.site{
  position:sticky; top:0; z-index:100;
  background:rgba(247,245,240,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 24px;
  max-width:var(--container); margin:0 auto;
}
.brand{display:flex; align-items:center; gap:11px;}
.brand .mark{width:34px; height:34px; color:var(--indigo);}
.brand .wordmark{font-weight:700; font-size:1.02rem; letter-spacing:.01em;}
.brand .wordmark span{color:var(--copper);}

nav.primary{display:flex; align-items:center; gap:2px;}
nav.primary a{
  padding:10px 14px;
  font-size:.88rem;
  font-weight:500;
  color:var(--slate);
  border-radius:var(--radius);
  transition:color .2s, background .2s;
}
nav.primary a:hover{color:var(--indigo);}
nav.primary a.active{color:var(--indigo); background:rgba(27,35,64,.06); font-weight:600;}

.header-actions{display:flex; align-items:center; gap:14px;}
.hamburger{
  display:none; width:40px; height:40px; border:1px solid var(--border); background:var(--white);
  border-radius:var(--radius); align-items:center; justify-content:center; flex-direction:column; gap:4px;
}
.hamburger span{width:18px; height:2px; background:var(--indigo); display:block; transition:transform .2s, opacity .2s;}
.hamburger.open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.hamburger.open span:nth-child(2){opacity:0;}
.hamburger.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

@media (max-width:900px){
  nav.primary{
    display:none;
    position:absolute; top:100%; left:0; right:0;
    flex-direction:column; align-items:stretch;
    background:var(--cream); border-bottom:1px solid var(--border);
    padding:8px 24px 18px;
  }
  nav.primary.open{display:flex;}
  nav.primary a{padding:13px 6px; border-bottom:1px solid var(--border); border-radius:0;}
  .header-actions .btn-primary.desktop-only{display:none;}
  .hamburger{display:flex;}
}

/* ============ VIEWS ============ */
.view{display:none;}
.view.active{display:block; animation:fadein .35s var(--ease);}
@keyframes fadein{from{opacity:0; transform:translateY(6px);} to{opacity:1; transform:translateY(0);}}

section{padding:88px 0;}
section.tight{padding:64px 0;}
@media (max-width:640px){
  section{padding:56px 0;}
  section.tight{padding:40px 0;}
}

.section-head{max-width:640px; margin-bottom:52px;}
.section-head .eyebrow{margin-bottom:14px; display:block;}
.section-head h2{margin-bottom:16px;}
.section-head p{color:var(--slate); font-size:1.03rem;}

hr.rule{border:none; border-top:1px solid var(--border); margin:0;}

/* ============ HERO ============ */
.hero{position:relative; overflow:hidden; padding:96px 0 76px;}
.hero-arc{position:absolute; top:-140px; right:-160px; width:560px; height:560px; opacity:.55; pointer-events:none;}
.hero-inner{position:relative; max-width:760px;}
.hero .eyebrow{margin-bottom:22px; display:block;}
.hero h1{margin-bottom:22px;}
.hero p.lead{max-width:560px; margin-bottom:36px;}
.hero-ctas{display:flex; gap:14px; flex-wrap:wrap;}

@media (max-width:640px){
  .hero{padding:56px 0 48px;}
  .hero-arc{width:340px; height:340px; top:-90px; right:-140px;}
}

/* ============ OFFER CARDS (equal weight) ============ */
.grid-4{display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--border); border:1px solid var(--border);}
@media (max-width:900px){.grid-4{grid-template-columns:repeat(2,1fr);}}
@media (max-width:560px){.grid-4{grid-template-columns:1fr;}}

.offer-card{
  background:var(--white); padding:32px 26px; display:flex; flex-direction:column; gap:14px; min-height:100%;
  transition:background .2s;
}
.offer-card:hover{background:var(--cream);}
.offer-card .num{font-family:var(--font-mono); font-size:.78rem; color:var(--copper); letter-spacing:.06em;}
.offer-card h3{font-size:1.08rem;}
.offer-card p{color:var(--slate); font-size:.92rem; flex-grow:1;}
.offer-card .go{font-size:.82rem; font-weight:600; color:var(--indigo); display:inline-flex; align-items:center; gap:6px;}
.offer-card .go svg{width:12px;height:12px; transition:transform .2s;}
.offer-card:hover .go svg{transform:translateX(3px);}

/* ============ METHOD steps ============ */
.method-strip{display:grid; grid-template-columns:repeat(3,1fr); gap:40px;}
@media (max-width:800px){.method-strip{grid-template-columns:1fr; gap:36px;}}
.method-step{padding-left:26px; border-left:2px solid var(--border); position:relative;}
.method-step .eyebrow{margin-bottom:10px; display:block;}
.method-step h3{margin-bottom:10px; font-size:1.2rem;}
.method-step p{color:var(--slate); font-size:.95rem;}

/* ============ dark band ============ */
.band-dark{background:var(--indigo); color:var(--white);}
.band-dark .eyebrow{color:var(--copper-soft);}
.band-dark p{color:rgba(247,245,240,.78);}
.band-dark hr.rule{border-color:rgba(255,255,255,.14);}

.cta-band{text-align:center; padding:90px 0;}
.cta-band h2{max-width:640px; margin:0 auto 18px;}
.cta-band p{max-width:480px; margin:0 auto 34px; color:rgba(247,245,240,.78);}

/* ============ founders ============ */
.founders{display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--border); border:1px solid var(--border);}
@media (max-width:800px){.founders{grid-template-columns:1fr;}}
.founder-card{background:var(--white); padding:30px 26px;}
.founder-avatar{
  width:52px; height:52px; border-radius:50%; background:var(--indigo); color:var(--white);
  display:flex; align-items:center; justify-content:center; font-family:var(--font-mono); font-weight:500; font-size:.9rem;
  margin-bottom:18px;
}
.founder-card .name{font-weight:700; font-size:1rem; margin-bottom:2px;}
.founder-card .role{font-family:var(--font-mono); font-size:.75rem; color:var(--copper); letter-spacing:.03em; margin-bottom:14px; display:block;}
.founder-card p.desc{color:var(--slate); font-size:.9rem;}
.placeholder-note{font-size:.78rem; color:var(--slate); font-style:italic; margin-top:10px;}

/* ============ offer full sections ============ */
.offer-full{padding:56px 0; border-bottom:1px solid var(--border);}
.offer-full:last-child{border-bottom:none;}
.offer-full-grid{display:grid; grid-template-columns:.85fr 1.15fr; gap:56px; align-items:start;}
@media (max-width:800px){.offer-full-grid{grid-template-columns:1fr; gap:24px;}}
.offer-full-head .num{font-family:var(--font-mono); color:var(--copper); font-size:.85rem; letter-spacing:.06em; display:block; margin-bottom:12px;}
.offer-full-head h2{margin-bottom:14px;}
.offer-full-head p{color:var(--slate);}
.offer-full-list{display:grid; gap:14px;}
.offer-full-list li{
  display:flex; gap:12px; align-items:flex-start; font-size:.96rem; color:var(--indigo); padding:14px 16px;
  background:var(--white); border:1px solid var(--border);
}
.offer-full-list li .dot{width:6px; height:6px; border-radius:50%; background:var(--copper); margin-top:8px; flex-shrink:0;}

/* ============ method detail page ============ */
.arc-tracker{display:flex; justify-content:center; margin-bottom:20px;}
.arc-tracker svg{width:120px; height:120px;}
.method-detail{display:grid; gap:0;}
.method-block{
  display:grid; grid-template-columns:120px 1fr; gap:36px; padding:44px 0; border-bottom:1px solid var(--border);
}
.method-block:last-child{border-bottom:none;}
@media (max-width:700px){.method-block{grid-template-columns:1fr; gap:16px;}}
.method-block .step-marker{font-family:var(--font-mono); font-size:.8rem; color:var(--copper); letter-spacing:.06em;}
.method-block h3{font-size:1.4rem; margin-bottom:14px;}
.method-block p.desc{color:var(--slate); margin-bottom:18px;}
.method-block ul{display:grid; gap:10px;}
.method-block ul li{font-size:.92rem; color:var(--indigo); display:flex; gap:10px;}
.method-block ul li::before{content:"—"; color:var(--copper); flex-shrink:0;}

/* ============ values ============ */
.values-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--border); border:1px solid var(--border);}
@media (max-width:800px){.values-grid{grid-template-columns:1fr;}}
.value-card{background:var(--white); padding:36px 28px;}
.value-card h3{font-size:1.35rem; margin-bottom:20px;}
.value-card .block-label{font-family:var(--font-mono); font-size:.72rem; letter-spacing:.08em; text-transform:uppercase; color:var(--copper); margin-bottom:8px; display:block;}
.value-card .concrete{color:var(--indigo); font-size:.94rem; margin-bottom:24px;}
.value-card .not{color:var(--slate); font-size:.9rem; padding-top:18px; border-top:1px solid var(--border);}
.value-card .not .block-label{color:var(--slate);}

/* ============ contact ============ */
.contact-grid{display:grid; grid-template-columns:1fr .75fr; gap:64px;}
@media (max-width:850px){.contact-grid{grid-template-columns:1fr; gap:40px;}}
.field{display:flex; flex-direction:column; gap:8px; margin-bottom:20px;}
.field label{font-size:.82rem; font-weight:600; color:var(--indigo);}
.field input, .field textarea{
  font-family:var(--font-sans); font-size:.96rem; padding:13px 14px; border:1px solid var(--border);
  border-radius:var(--radius); background:var(--white); color:var(--indigo); resize:vertical;
}
.field input:focus, .field textarea:focus{border-color:var(--copper); outline:none;}
.form-note{font-size:.82rem; color:var(--slate); margin-top:6px;}
.confirm-msg{
  display:none; margin-top:18px; padding:14px 16px; background:rgba(180,113,60,.1); border:1px solid var(--copper);
  font-size:.9rem; color:var(--indigo);
}
.confirm-msg.show{display:block;}

.contact-info{display:flex; flex-direction:column; gap:28px;}
.info-block .block-label{font-family:var(--font-mono); font-size:.72rem; letter-spacing:.08em; text-transform:uppercase; color:var(--copper); margin-bottom:8px; display:block;}
.info-block p{font-size:.96rem;}
.info-block p.muted{color:var(--slate); font-style:italic; font-size:.86rem;}

/* ============ footer ============ */
footer.site{background:var(--indigo); color:var(--white); padding:64px 0 32px;}
.footer-top{display:grid; grid-template-columns:1.3fr repeat(3,1fr); gap:40px; margin-bottom:52px;}
@media (max-width:800px){.footer-top{grid-template-columns:1fr 1fr; gap:32px;}}
@media (max-width:520px){.footer-top{grid-template-columns:1fr;}}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand .mark{color:var(--white);}
.footer-brand p{color:rgba(247,245,240,.65); font-size:.88rem; max-width:280px;}
.footer-col h4{font-family:var(--font-mono); font-size:.74rem; letter-spacing:.08em; text-transform:uppercase; color:var(--copper-soft); margin-bottom:16px; font-weight:500;}
.footer-col ul{display:flex; flex-direction:column; gap:10px;}
.footer-col a, .footer-col p{font-size:.88rem; color:rgba(247,245,240,.8);}
.footer-col a:hover{color:var(--white);}
.footer-bottom{
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px;
  padding-top:28px; border-top:1px solid rgba(255,255,255,.12);
  font-size:.8rem; color:rgba(247,245,240,.55);
}

/* skip link */
.skip-link{
  position:absolute; left:-9999px; top:0; background:var(--copper); color:#fff; padding:12px 18px; z-index:1000;
}
.skip-link:focus{left:16px; top:16px;}

/* ============ MODE MULTI-PAGES ============
   Chaque vue est désormais une page HTML complète : on l'affiche toujours.
   Le reste du design est identique au fichier d'origine. */
.view{display:block;}

/* liens de contact : email et téléphone cliquables */
.info-block a{text-decoration:underline; text-underline-offset:3px; text-decoration-thickness:1px; text-decoration-color:var(--border); transition:color .2s, text-decoration-color .2s;}
.info-block a:hover{color:var(--copper); text-decoration-color:var(--copper);}
.footer-col a[href^="mailto"], .footer-col a[href^="tel"]{word-break:break-word;}

/* ============ PAGE LÉGALE ============ */
.legal-block{padding:32px 0; border-bottom:1px solid var(--border);}
.legal-block:first-child{padding-top:0;}
.legal-block:last-child{border-bottom:none;}
.legal-block h3{margin-bottom:14px; font-size:1.25rem;}
.legal-block p{color:var(--slate); font-size:.96rem; margin-bottom:12px;}
.legal-block p:last-child{margin-bottom:0;}
.legal-block a{text-decoration:underline; text-underline-offset:3px; text-decoration-color:var(--border); transition:color .2s, text-decoration-color .2s;}
.legal-block a:hover{color:var(--copper); text-decoration-color:var(--copper);}
.legal-list{display:grid; grid-template-columns:repeat(2,1fr); gap:1px; background:var(--border); border:1px solid var(--border); margin-top:18px;}
@media (max-width:640px){.legal-list{grid-template-columns:1fr;}}
.legal-list > div{background:var(--white); padding:16px 18px;}
.legal-list .block-label{font-family:var(--font-mono); font-size:.72rem; letter-spacing:.08em; text-transform:uppercase; color:var(--copper); margin-bottom:6px; display:block;}
.legal-list p{color:var(--indigo); font-size:.94rem; margin:0;}

/* mentions d'immatriculation dans le pied de page */
.footer-bottom a{text-decoration:underline; text-underline-offset:3px; text-decoration-color:rgba(255,255,255,.25); transition:color .2s;}
.footer-bottom a:hover{color:var(--white);}
.footer-legal{font-family:var(--font-mono); font-size:.72rem; letter-spacing:.02em;}