:root{--paper:#fbf6ef;--ink:#0f172a;--line:#ebe3d5;--radius:24px}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Instrument Sans",system-ui,sans-serif;background:var(--paper);color:var(--ink);-webkit-font-smoothing:antialiased;line-height:1.6}
a{text-decoration:none !important;color:inherit}
h1,h2,h3{font-family:"Fraunces",serif;line-height:.9;letter-spacing:-.03em}
.container{width:min(1280px,92%);margin:0 auto}

/* LOGO MULTICOULEUR CLICABLE */
.logo-new{display:flex;align-items:baseline;font-family:"Fraunces",serif;font-size:1.6rem;font-weight:600;letter-spacing:-.04em;cursor:pointer;transition:.3s}
.logo-new:hover{transform:translateY(-1px)}
.logo-v{font-weight:400;color:#0e4a5a}
.logo-s{font-weight:700;background:linear-gradient(90deg,#ff5a33 0%,#ff7a33 35%,#ffb020 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;margin-left:1px}
.logo-dot{width:9px;height:9px;background:radial-gradient(circle at 30% 30%,#ffcc00,#ff5a33);border-radius:50%;margin-left:6px;box-shadow:0 0 0 4px rgba(255,90,51,.12),0 0 14px rgba(255,90,51,.4);animation:pulse 2.2s infinite}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.15)}}
.footer .logo-new .logo-v{color:#fff;opacity:.9}
.footer .logo-new .logo-s{background:linear-gradient(90deg,#ff8a5a,#ffcc66);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}

/* HEADER */
.header{position:sticky;top:0;z-index:20;background:rgba(251,246,239,.88);backdrop-filter:blur(20px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;justify-content:space-between;align-items:center;padding:16px 0}
.nav{display:flex;gap:28px;font-size:.9rem;font-weight:500;opacity:.6}
.nav a{transition:.2s}.nav a:hover{opacity:1}
.btn{padding:12px 22px;border-radius:999px;font-weight:600;font-size:.9rem;display:inline-flex;justify-content:center;transition:.3s;border:0;cursor:pointer}
.btn-dark{background:var(--ink);color:#fff !important}.btn-dark:hover{transform:translateY(-2px);background:#000}
.btn-light{background:#fff;color:var(--ink);border:1px solid var(--line)}.btn-light:hover{border-color:var(--ink);transform:translateY(-2px)}

/* HERO */
.hero{position:relative;height:70vh;min-height:500px;border-radius:0 0 32px 32px;overflow:hidden;margin:0 12px}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,23,42,.05),rgba(15,23,42,.7))}
.hero-inner{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:flex-end;padding:0 5% 50px;color:#fff}
.hero-inner h1{font-size:clamp(2.8rem,6vw,4.6rem);max-width:600px}
.hero-inner p{font-size:1.1rem;opacity:.85;max-width:440px;margin-top:12px}
.hero-actions{display:flex;gap:12px;margin-top:20px;flex-wrap:wrap}

/* 7 ESSENTIELS - VERSION VERTICALE */
.ess-scroll{padding:90px 0 40px}
.ess-top{display:flex;justify-content:space-between;align-items:end;margin-bottom:32px;gap:20px}
.ess-top h2{font-size:clamp(2rem,4vw,3.2rem);max-width:500px}
.ess-arrows{display:none}
.ess-track{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:24px;
  padding-bottom:0;
}
.ess-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:20px;
  overflow:hidden;
  transition:.4s;
  padding:14px 14px 18px;
  min-width:auto;
  max-width:100%;
}
.ess-card:hover{transform:translateY(-6px);box-shadow:0 20px 50px rgba(15,23,42,.12);border-color:var(--ink)}
.ess-card-img{position:relative;height:220px;border-radius:14px;overflow:hidden;margin-bottom:16px;background:linear-gradient(135deg,#e2e8f0,#f1f5f9)}
.ess-card-img img{width:100%;height:100%;object-fit:cover;display:block;transition:.6s}
.ess-card:hover .ess-card-img img{transform:scale(1.05)}
.ess-num{position:absolute;top:12px;left:12px;background:rgba(15,23,42,.9);color:#fff;padding:6px 10px;border-radius:999px;font-size:.75rem;font-weight:600;backdrop-filter:blur(10px)}
.ess-card h3{font-size:1.4rem;margin-bottom:6px;padding:0 6px}
.ess-card p{font-size:.9rem;opacity:.6;line-height:1.4;padding:0 6px;min-height:40px}
.ess-link{font-size:.85rem;font-weight:600;margin-top:12px;display:inline-flex;padding:0 6px;gap:6px;align-items:center}
.ess-link::after{content:"";width:20px;height:1px;background:var(--ink);display:inline-block;transition:.3s}
.ess-card:hover .ess-link::after{width:36px;background:#ff5a33}

/* SECTION AI COULEUR */
.ai-section{position:relative;padding:100px 0;border-radius:32px;margin:40px 12px;overflow:hidden;color:#0f172a}
.ai-bg{position:absolute;inset:0;background:
radial-gradient(600px 400px at 10% 20%, #a5b4fc 0%, transparent 60%),
radial-gradient(700px 500px at 90% 10%, #fbcfe8 0%, transparent 60%),
radial-gradient(600px 400px at 50% 90%, #fde68a 0%, transparent 60%),
radial-gradient(800px 600px at 20% 80%, #93c5fd 0%, transparent 70%),
linear-gradient(180deg, #f8fafc, #f1f5f9)}
.ai-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1.2fr;gap:80px;align-items:start}
.ai-badge{display:inline-flex;padding:8px 14px;border-radius:999px;background:rgba(15,23,42,.06);border:1px solid rgba(15,23,42,.08);font-size:.8rem;font-weight:600;margin-bottom:20px}
.ai-left h2{font-size:clamp(2.4rem,4vw,3.8rem);line-height:.9;color:#0f172a}
.ai-card{background:rgba(255,255,255,.75);backdrop-filter:blur(20px) saturate(1.5);border:1px solid rgba(255,255,255,.6);border-radius:24px;padding:28px;box-shadow:0 10px 40px rgba(15,23,42,.06)}
.ai-lead{font-size:1.15rem;font-weight:600;color:#0f172a;margin-bottom:14px}
.ai-card p{font-size:1rem;line-height:1.6;opacity:.7;margin-bottom:14px;color:#334155}
.ai-highlight{margin-top:18px;padding:16px;background:linear-gradient(90deg, rgba(124,92,255,.1), rgba(255,90,51,.08));border:1px solid rgba(124,92,255,.15);border-radius:16px}
.ai-highlight strong{display:block;color:#0f172a;margin-bottom:4px}
.ai-highlight span{font-size:.9rem;opacity:.7;line-height:1.4}
.ai-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:20px}
.ai-stats div{background:rgba(255,255,255,.6);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.5);border-radius:16px;padding:16px}
.ai-stats b{display:block;font-family:"Fraunces";font-size:1.6rem;color:#0f172a}
.ai-stats span{font-size:.8rem;opacity:.6}


@media(max-width:1100px){
  .ess-track{grid-template-columns:repeat(2, 1fr)}
}
@media(max-width:900px){
  .hero{margin:0;border-radius:0 0 24px 24px;height:62vh}
  .ai-grid{grid-template-columns:1fr;gap:32px}
  .ai-stats{grid-template-columns:1fr}
  .nav{display:none}
  .ess-top{flex-direction:column;align-items:start}
}
@media(max-width:640px){
  .ess-track{grid-template-columns:1fr}
}

/* FOOTER PRO CLEAN */
.footer-pro{background:#0f172a;color:#e2e8f0;padding:70px 0 30px;margin-top:60px;border-radius:32px 32px 0 0}
.footer-grid-clean{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:60px}
.footer-brand p{margin:18px 0 20px;font-size:.92rem;line-height:1.6;opacity:.7;max-width:340px}
.footer-col h4{font-family:"Instrument Sans";font-weight:600;font-size:.9rem;margin-bottom:18px;color:#fff}
.footer-col a{display:block;font-size:.88rem;opacity:.65;margin-bottom:12px;transition:.2s}
.footer-col a:hover{opacity:1;color:#fff;transform:translateX(2px)}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;font-size:.8rem;transition:.2s}
.footer-social a:hover{background:#fff;color:#0f172a}
.footer-bottom{margin-top:50px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:.8rem;opacity:.5}

@media(max-width:900px){.footer-grid-clean{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.footer-grid-clean{grid-template-columns:1fr}}