/* ============================================
   Vernhurst Digital — Conseil en IA
   ============================================ */
:root{
  --bg:#0E1014;
  --surface:#15171C;
  --surface-2:#1B1E25;
  --line:#2A2F3A;
  --accent:#3FE0C8;
  --accent-soft:rgba(63,224,200,.12);
  --amber:#E0A24B;
  --ivory:#EDEFF3;
  --slate:#A6AEBD;
  --slate-dim:#6E7686;
  --radius:10px;
  --maxw:1180px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--bg);
  color:var(--slate);
  font-family:"Inter",system-ui,sans-serif;
  font-size:16px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:"Fraunces",Georgia,serif;color:var(--ivory);line-height:1.12;font-weight:500;letter-spacing:-.01em}
em{font-style:italic;color:var(--accent)}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;width:100%}

.skip-link{position:absolute;left:-999px;top:0;background:var(--accent);color:#04110e;padding:10px 16px;border-radius:6px;z-index:200}
.skip-link:focus{left:12px;top:12px}

.eyebrow{
  font-family:"JetBrains Mono",monospace;font-size:.72rem;letter-spacing:.22em;
  text-transform:uppercase;color:var(--accent);margin-bottom:18px;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:600;font-size:.95rem;padding:13px 26px;border-radius:8px;
  border:1px solid transparent;cursor:pointer;transition:all .25s var(--ease);
  font-family:inherit;
}
.btn-primary{background:var(--accent);color:#04110e}
.btn-primary:hover{background:#5cead4;transform:translateY(-2px);box-shadow:0 12px 30px -12px rgba(63,224,200,.5)}
.btn-ghost{border-color:var(--line);color:var(--ivory);background:transparent}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}
.btn-block{width:100%}
.btn-sm{padding:9px 18px;font-size:.85rem}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(14,16,20,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:11px;color:var(--ivory)}
.brand-mark{display:flex;color:var(--ivory)}
.brand-text{font-family:"Fraunces",serif;font-size:1.22rem;font-weight:600;letter-spacing:-.02em}
.brand-dim{color:var(--slate-dim);margin-left:3px;font-weight:400}
.main-nav{display:flex;align-items:center;gap:30px}
.main-nav a{font-size:.92rem;color:var(--slate);transition:color .2s;position:relative}
.main-nav a:not(.nav-cta):hover{color:var(--ivory)}
.main-nav a:not(.nav-cta)::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:1.5px;background:var(--accent);transition:width .25s var(--ease)}
.main-nav a:not(.nav-cta):hover::after{width:100%}
.nav-cta{padding:9px 20px;border:1px solid var(--line);border-radius:7px;color:var(--ivory)}
.nav-cta:hover{border-color:var(--accent);color:var(--accent)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2px;background:var(--ivory);transition:.3s}
.mobile-nav{display:none;flex-direction:column;background:var(--surface);border-bottom:1px solid var(--line);padding:8px 24px 18px}
[hidden]{display:none!important}
.mobile-nav a{padding:13px 0;border-bottom:1px solid var(--line);color:var(--slate)}
.mobile-nav a:last-child{border:none}

/* ---------- Hero ---------- */
.hero{position:relative;padding:120px 0 96px;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-grid{position:absolute;inset:0;z-index:0;opacity:.9}
.hero-grid canvas{width:100%;height:100%;display:block}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 30% 20%,transparent 0%,var(--bg) 78%);z-index:1;pointer-events:none}
.hero-inner{position:relative;z-index:2;max-width:820px}
.hero h1{font-size:clamp(2.4rem,5.6vw,4.1rem);margin-bottom:24px}
.lede{font-size:1.18rem;color:var(--slate);max-width:640px;margin-bottom:36px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:64px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;max-width:660px;border-top:1px solid var(--line);padding-top:30px}
.hero-stats dt{font-family:"Fraunces",serif;font-size:2.1rem;color:var(--ivory);line-height:1}
.hero-stats dd{font-size:.86rem;color:var(--slate-dim);margin-top:8px}

/* ---------- Sections ---------- */
.section{padding:96px 0}
.section-alt{background:var(--surface)}
.section-head{max-width:680px;margin-bottom:56px}
.section-head h2{font-size:clamp(1.8rem,3.6vw,2.7rem);margin-top:4px}
.section-sub{margin-top:18px;font-size:1.05rem}

/* ---------- Approche ---------- */
.approche-layout{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.approche-media{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;position:relative}
.approche-media::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,transparent 50%,rgba(14,16,20,.4))}
.approche-media img{aspect-ratio:3/2;object-fit:cover;filter:saturate(.85) contrast(1.05)}
.approche-text p{font-size:1.08rem;margin-bottom:24px}
.check-list{list-style:none;display:grid;gap:14px}
.check-list li{position:relative;padding-left:30px;color:var(--ivory)}
.check-list li::before{content:"";position:absolute;left:0;top:9px;width:14px;height:14px;border:1.5px solid var(--accent);border-radius:3px;background:var(--accent-soft)}
.check-list li::after{content:"";position:absolute;left:4px;top:11px;width:6px;height:3px;border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(-45deg)}

/* ---------- Cards ---------- */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.card{background:var(--bg);padding:34px 28px;transition:background .3s var(--ease)}
.section-alt .card{background:var(--surface)}
.card:hover{background:var(--surface-2)}
.card-index{font-family:"JetBrains Mono",monospace;font-size:.8rem;color:var(--accent);letter-spacing:.1em}
.card h3{font-size:1.25rem;margin:18px 0 12px}
.card p{font-size:.95rem}

/* ---------- Timeline ---------- */
.timeline{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-bottom:56px;counter-reset:none}
.timeline li{position:relative;padding:0 26px;border-left:1px solid var(--line)}
.timeline li:first-child{padding-left:0;border-left:none}
.step-num{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border:1px solid var(--accent);border-radius:50%;font-family:"JetBrains Mono",monospace;color:var(--accent);margin-bottom:18px;font-size:.95rem}
.timeline h3{font-size:1.2rem;margin-bottom:10px}
.timeline p{font-size:.92rem}
.methode-media{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.methode-media img{aspect-ratio:3/1.4;object-fit:cover;filter:saturate(.8) contrast(1.05)}

/* ---------- Pricing ---------- */
.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-bottom:28px}
.plan{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:34px 28px;position:relative;display:flex;flex-direction:column}
.section-alt .plan{background:var(--bg)}
.plan-featured{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent),0 24px 60px -30px rgba(63,224,200,.4)}
.plan-tag{position:absolute;top:-12px;left:28px;background:var(--accent);color:#04110e;font-size:.72rem;font-weight:600;padding:4px 12px;border-radius:20px;font-family:"JetBrains Mono",monospace;letter-spacing:.05em}
.plan h3{font-size:1.35rem;margin-bottom:14px}
.price{font-family:"Fraunces",serif;font-size:2.1rem;color:var(--ivory);line-height:1;margin-bottom:6px}
.price span{display:block;font-family:"Inter",sans-serif;font-size:.8rem;color:var(--slate-dim);margin-top:8px;font-weight:400}
.plan-desc{font-size:.92rem;margin-bottom:22px;min-height:42px}
.plan ul{list-style:none;display:grid;gap:11px;margin-bottom:28px;flex:1}
.plan ul li{position:relative;padding-left:22px;font-size:.92rem;color:var(--slate)}
.plan ul li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;background:var(--accent)}
.pricing-note{font-size:.88rem;color:var(--slate-dim);text-align:center}
.pricing-note a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}

/* ---------- Contact ---------- */
.contact-layout{display:grid;grid-template-columns:1fr 1.05fr;gap:64px;align-items:start}
.contact-info h2{font-size:clamp(1.8rem,3.4vw,2.5rem);margin:4px 0 20px}
.contact-info > p{font-size:1.05rem;margin-bottom:32px}
.contact-coords{list-style:none;display:grid;gap:22px}
.contact-coords li{border-top:1px solid var(--line);padding-top:16px;color:var(--ivory)}
.coord-label{display:block;font-family:"JetBrains Mono",monospace;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--slate-dim);margin-bottom:6px}
.contact-coords a:hover{color:var(--accent)}
.contact-form{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:36px}
.section-alt .contact-form{background:var(--bg)}
.field{margin-bottom:20px}
.field label{display:block;font-size:.85rem;color:var(--slate);margin-bottom:8px;font-weight:500}
.field input,.field select,.field textarea{
  width:100%;background:var(--bg);border:1px solid var(--line);border-radius:7px;
  padding:12px 14px;color:var(--ivory);font-family:inherit;font-size:.95rem;transition:border-color .2s;
}
.section-alt .field input,.section-alt .field select,.section-alt .field textarea{background:var(--surface)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.field textarea{resize:vertical}
.error{display:block;color:var(--amber);font-size:.8rem;margin-top:6px;min-height:1em}
.consent{display:flex;gap:12px;align-items:flex-start;font-size:.85rem;margin-bottom:24px;cursor:pointer}
.consent input{margin-top:3px;accent-color:var(--accent);width:16px;height:16px;flex-shrink:0}
.consent a{color:var(--accent);text-decoration:underline;text-underline-offset:2px}
.form-status{margin-top:16px;font-size:.9rem;text-align:center;min-height:1.2em}
.form-status.ok{color:var(--accent)}
.form-status.err{color:var(--amber)}

/* ---------- Footer ---------- */
.site-footer{background:var(--surface);border-top:1px solid var(--line);padding:64px 0 28px}
.footer-inner{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:48px;padding-bottom:44px;border-bottom:1px solid var(--line)}
.footer-brand .brand-text{font-size:1.3rem;color:var(--ivory)}
.footer-brand p{margin-top:14px;font-size:.92rem;max-width:300px}
.footer-nav h4{font-family:"JetBrains Mono",monospace;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--slate-dim);margin-bottom:18px;font-weight:400}
.footer-nav a{display:block;font-size:.92rem;padding:6px 0;color:var(--slate);transition:color .2s}
.footer-nav a:hover{color:var(--accent)}
.footer-base{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding-top:24px;font-size:.84rem;color:var(--slate-dim)}

/* ---------- Cookie banner ---------- */
.cookie-banner{
  position:fixed;left:50%;transform:translateX(-50%);bottom:20px;z-index:150;
  max-width:760px;width:calc(100% - 32px);background:var(--surface-2);
  border:1px solid var(--line);border-radius:12px;padding:20px 24px;
  display:flex;align-items:center;gap:24px;flex-wrap:wrap;
  box-shadow:0 24px 60px -20px rgba(0,0,0,.7);
}
.cookie-banner p{font-size:.88rem;flex:1;min-width:240px}
.cookie-banner a{color:var(--accent);text-decoration:underline;text-underline-offset:2px}
.cookie-actions{display:flex;gap:10px;flex-shrink:0}

/* ---------- Legal pages ---------- */
.legal-main{max-width:760px;margin:0 auto;padding:64px 24px 96px}
.legal-main h1{font-size:clamp(2rem,4vw,2.8rem);margin-bottom:12px}
.legal-meta{font-family:"JetBrains Mono",monospace;font-size:.8rem;color:var(--slate-dim);margin-bottom:40px}
.legal-main h2{font-size:1.4rem;margin:38px 0 14px;color:var(--ivory)}
.legal-main p,.legal-main li{font-size:1rem;margin-bottom:14px}
.legal-main ul{padding-left:22px;margin-bottom:14px}
.legal-back{display:inline-block;margin-top:40px;color:var(--accent);font-size:.92rem}
.legal-back:hover{text-decoration:underline}

/* ---------- Responsive ---------- */
@media(max-width:900px){
  .main-nav{display:none}
  .nav-toggle{display:flex}
  .mobile-nav:not([hidden]){display:flex}
  .approche-layout,.contact-layout{grid-template-columns:1fr;gap:36px}
  .cards,.timeline{grid-template-columns:repeat(2,1fr)}
  .timeline li{border-left:none;border-top:1px solid var(--line);padding:24px 0 0}
  .timeline li:first-child{padding-top:0;border-top:none}
  .pricing{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
  .section{padding:64px 0}
  .hero{padding:80px 0 64px}
  .hero-stats{grid-template-columns:1fr;gap:18px}
  .cards,.timeline{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr}
  .cookie-banner{flex-direction:column;align-items:flex-start}
  .cookie-actions{width:100%}
  .cookie-actions .btn{flex:1}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}