@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,sans-serif;background:#fff;color:#0F172A;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
details summary{list-style:none}
details summary::-webkit-details-marker{display:none}
:root{
  --navy:#0D1B2E;--navy-mid:#1E3A5F;--blue:#3B82F6;--blue-dark:#1D4ED8;
  --blue-pale:#EFF6FF;--white:#fff;--off:#F8FAFC;--sl100:#F1F5F9;
  --text:#0F172A;--mid:#475569;--light:#94A3B8;--border:#E2E8F0;
  --r:10px;--rl:16px
}
.container{max-width:1100px;margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section-dark{background:var(--navy);padding:80px 0}
.section-light{background:var(--off);padding:80px 0}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:4px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:var(--r);font-weight:600;font-size:14px;cursor:pointer;border:none;transition:all .15s;text-decoration:none;white-space:nowrap}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-dark)}
.btn-ghost-light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.3)}
.btn-ghost-light:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-ghost-dark{background:transparent;color:var(--text);border:1.5px solid var(--border)}
.btn-ghost-dark:hover{border-color:var(--text);background:var(--sl100)}
.btn-lg{padding:16px 32px;font-size:16px;border-radius:var(--rl)}
.btn-full{width:100%;justify-content:center}
/* Section titles */
.section-title{font-size:clamp(28px,4vw,40px);font-weight:800;line-height:1.15;letter-spacing:-.02em}
.section-title-white{color:#fff}
.section-sub{font-size:16px;color:var(--mid);line-height:1.65;max-width:560px;margin-top:12px}
.section-sub-white{color:rgba(255,255,255,.55)}
.section-header{margin-bottom:52px}
/* NAV */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;transition:background .25s,box-shadow .25s}
.nav.scrolled{background:rgba(13,27,46,.96);backdrop-filter:blur(12px);box-shadow:0 1px 0 rgba(255,255,255,.06)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px}
.logo-badge{width:34px;height:34px;border-radius:8px;background:var(--blue);color:#fff;font-weight:800;font-size:13px;display:flex;align-items:center;justify-content:center}
.logo-name{font-weight:600;font-size:14px;color:#fff}
/* HERO */
.hero{background:var(--navy);padding:140px 0 100px}
.hero-inner{display:grid;grid-template-columns:1fr auto;gap:60px;align-items:center}
.hero h1{font-size:clamp(36px,5vw,56px);font-weight:900;letter-spacing:-.03em;line-height:1.05;color:#fff;margin-bottom:20px}
.hero-sub{font-size:17px;color:rgba(255,255,255,.6);line-height:1.65;margin-bottom:32px}
.benefits{margin-bottom:36px;display:flex;flex-direction:column;gap:12px}
.benefits li{display:flex;align-items:flex-start;gap:12px;font-size:14px;color:rgba(255,255,255,.75);line-height:1.5}
.benefits li::before{content:'';display:block;flex-shrink:0;width:18px;height:18px;border-radius:50%;background:rgba(59,130,246,.2) url("data:image/svg+xml,%3Csvg width='10' height='8' viewBox='0 0 10 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 3.5L4 6.5L9 1' stroke='%233B82F6' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat center;margin-top:2px}
.hero-ctas{display:flex;gap:12px;flex-wrap:wrap}
.hero-cover{width:260px;flex-shrink:0}
.hero-cover img{width:100%;border-radius:var(--rl);box-shadow:0 32px 64px rgba(0,0,0,.4)}
/* TRUST */
.trust-bar{background:#fff;border-bottom:1px solid var(--border)}
.trust-bar .container{padding-top:32px;padding-bottom:32px}
.trust-stats{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{text-align:center;padding:8px 0}
.stat+.stat{border-left:1px solid var(--border)}
.stat-value{display:block;font-size:32px;font-weight:800;color:var(--navy);letter-spacing:-.02em;line-height:1}
.stat-label{display:block;font-size:11px;font-weight:500;color:var(--light);letter-spacing:.08em;text-transform:uppercase;margin-top:6px}
/* SOMMAIRE */
.chapters-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.chapter-card{background:#fff;border:1px solid var(--border);border-radius:var(--rl);padding:28px;transition:box-shadow .2s}
.chapter-card:hover{box-shadow:0 8px 32px rgba(0,0,0,.06)}
.chapter-num{font-size:11px;font-weight:700;letter-spacing:.1em;color:var(--blue);text-transform:uppercase;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.chapter-num span{font-size:20px}
.chapter-card h3{font-size:16px;font-weight:700;color:var(--text);margin-bottom:8px;line-height:1.3}
.chapter-card p{font-size:13px;color:var(--mid);line-height:1.6}
/* AUTEUR */
.author-inner{display:grid;grid-template-columns:auto 1fr;gap:60px;align-items:center}
.author-photo{width:280px;height:320px;border-radius:var(--rl);overflow:hidden;border:1px solid var(--border);flex-shrink:0}
.author-photo img{width:100%;height:100%;object-fit:cover;object-position:top}
.author-role{font-size:14px;font-weight:600;color:var(--blue);margin-bottom:4px}
.author-company{font-size:13px;color:var(--light);margin-bottom:24px}
.author-bio{font-size:15px;color:var(--text);line-height:1.7;margin-bottom:12px}
.author-bio-2{font-size:14px;color:var(--mid);line-height:1.7;margin-bottom:28px}
.author-divider{width:40px;height:2px;background:var(--blue);margin-bottom:24px}
.linkedin-btn{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border:1.5px solid var(--border);border-radius:var(--r);font-size:13px;font-weight:600;color:var(--text);transition:all .15s}
.linkedin-btn:hover{border-color:var(--text);background:var(--sl100)}
/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:760px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--rl);overflow:hidden}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;cursor:pointer;font-weight:600;font-size:15px;color:var(--text);transition:background .15s;user-select:none}
.faq-item summary:hover{background:var(--off)}
.faq-toggle{flex-shrink:0;width:22px;height:22px;border-radius:50%;border:1.5px solid var(--border);display:flex;align-items:center;justify-content:center;transition:transform .2s}
.faq-item[open] .faq-toggle{transform:rotate(45deg)}
.faq-answer{padding:0 24px 20px;font-size:14px;color:var(--mid);line-height:1.7}
/* FORM */
.form-section-inner{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:start}
.form-left h2{color:#fff;margin-bottom:16px}
.form-left p{color:rgba(255,255,255,.55);font-size:15px;line-height:1.65;margin-bottom:32px}
.form-benefits{display:flex;flex-direction:column;gap:12px}
.form-benefits li{display:flex;align-items:flex-start;gap:12px;font-size:14px;color:rgba(255,255,255,.65)}
.form-benefits li::before{content:'';display:block;flex-shrink:0;width:18px;height:18px;border-radius:50%;background:rgba(59,130,246,.15) url("data:image/svg+xml,%3Csvg width='10' height='8' viewBox='0 0 10 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 3.5L4 6.5L9 1' stroke='%233B82F6' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat center;margin-top:2px}
.form-card{background:#fff;border-radius:var(--rl);padding:36px}
.form-group{margin-bottom:18px}
.form-group label{display:block;font-size:13px;font-weight:600;color:var(--text);margin-bottom:7px}
.form-group label .req{color:var(--blue)}
.form-control{width:100%;padding:11px 14px;border:1.5px solid var(--border);border-radius:var(--r);font-family:inherit;font-size:14px;color:var(--text);background:#fff;transition:border-color .15s,box-shadow .15s;outline:none}
.form-control::placeholder{color:var(--light)}
.form-control:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(59,130,246,.12)}
.form-control.error{border-color:#EF4444}
.form-select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%2394A3B8' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;cursor:pointer}
.field-error{font-size:12px;color:#EF4444;margin-top:5px}
.honeypot{position:absolute;left:-9999px;width:1px;height:1px;opacity:0;pointer-events:none}
.consent-label{display:flex;align-items:flex-start;gap:10px;cursor:pointer}
.consent-label input[type="checkbox"]{margin-top:2px;flex-shrink:0;accent-color:var(--blue);width:16px;height:16px}
.consent-text{font-size:12px;color:var(--mid);line-height:1.6}
.form-note{font-size:12px;color:var(--light);text-align:center;margin-top:10px}
.alert-error{background:#FEF2F2;border:1px solid #FECACA;border-radius:var(--r);padding:12px 16px;font-size:13px;color:#DC2626;margin-bottom:20px}
/* FOOTER */
.footer{background:var(--navy);border-top:1px solid var(--navy-mid);padding:24px 0}
.footer-inner{display:flex;align-items:center;justify-content:space-between}
.footer p{font-size:12px;color:var(--light)}
.footer-linkedin{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--light);transition:color .15s}
.footer-linkedin:hover{color:#fff}
/* MOBILE CTA */
.mobile-cta{display:none;position:fixed;bottom:0;left:0;right:0;z-index:90;padding:12px 16px;background:rgba(13,27,46,.97);backdrop-filter:blur(10px);border-top:1px solid var(--navy-mid)}
/* MERCI */
.merci-page{min-height:100vh;background:var(--navy);display:flex;align-items:center;justify-content:center;padding:40px 24px}
.merci-card{background:#fff;border-radius:20px;padding:52px 44px;max-width:500px;width:100%;text-align:center}
.merci-icon{width:72px;height:72px;border-radius:50%;background:#F0FDF4;border:1px solid #BBF7D0;display:flex;align-items:center;justify-content:center;margin:0 auto 28px}
.merci-card h1{font-size:28px;font-weight:800;color:var(--text);margin-bottom:12px;letter-spacing:-.02em}
.merci-card p{font-size:15px;color:var(--mid);line-height:1.65;margin-bottom:32px}
.progress-bar{width:100%;height:4px;background:var(--border);border-radius:99px;overflow:hidden;margin-bottom:28px}
.progress-fill{height:100%;background:var(--blue);border-radius:99px;animation:progress 1.5s linear forwards}
@keyframes progress{from{width:0}to{width:100%}}
.merci-back{font-size:13px;color:var(--light);margin-top:20px;display:block}
.merci-back:hover{color:var(--text)}
/* ADMIN */
.admin-login{min-height:100vh;background:var(--navy);display:flex;align-items:center;justify-content:center;padding:24px}
.admin-login-card{background:#fff;border-radius:var(--rl);padding:44px 40px;width:100%;max-width:400px}
.admin-wrap{display:flex;min-height:100vh;background:var(--off)}
.admin-sidebar{width:240px;background:var(--navy);flex-shrink:0;display:flex;flex-direction:column}
.admin-sidebar-logo{padding:28px 24px 20px;border-bottom:1px solid var(--navy-mid)}
.admin-nav{padding:16px 12px;flex:1}
.admin-nav-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;font-size:14px;font-weight:500;color:rgba(255,255,255,.6);cursor:pointer;transition:all .15s;text-decoration:none;margin-bottom:2px}
.admin-nav-item:hover,.admin-nav-item.active{background:rgba(255,255,255,.08);color:#fff}
.admin-sidebar-footer{padding:20px 12px;border-top:1px solid var(--navy-mid)}
.admin-main{flex:1;overflow:auto}
.admin-header{background:#fff;border-bottom:1px solid var(--border);padding:20px 32px;display:flex;align-items:center;justify-content:space-between}
.admin-header h1{font-size:20px;font-weight:700;color:var(--text)}
.admin-content{padding:32px}
.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:32px}
.stat-card{background:#fff;border:1px solid var(--border);border-radius:var(--rl);padding:24px}
.stat-card-value{font-size:36px;font-weight:800;color:var(--text);letter-spacing:-.03em}
.stat-card-label{font-size:13px;color:var(--mid);margin-top:4px}
.stat-card-accent{color:var(--blue)}
.table-card{background:#fff;border:1px solid var(--border);border-radius:var(--rl);overflow:hidden}
.table-card-header{padding:20px 24px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.table-card-header h2{font-size:16px;font-weight:700;color:var(--text)}
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:13px}
thead th{padding:12px 16px;text-align:left;font-size:11px;font-weight:600;letter-spacing:.07em;text-transform:uppercase;color:var(--light);background:var(--off);border-bottom:1px solid var(--border);white-space:nowrap}
tbody td{padding:14px 16px;color:var(--text);border-bottom:1px solid var(--border);vertical-align:middle}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover td{background:#FAFBFC}
.badge{display:inline-block;padding:3px 8px;border-radius:99px;font-size:11px;font-weight:600}
.badge-blue{background:var(--blue-pale);color:var(--blue-dark)}
.empty-state{padding:60px 24px;text-align:center}
.empty-state p{font-size:15px;color:var(--mid)}
/* RESPONSIVE */
@media(max-width:900px){
  .hero-inner{grid-template-columns:1fr}.hero-cover{display:none}
  .chapters-grid{grid-template-columns:repeat(2,1fr)}
  .form-section-inner{grid-template-columns:1fr;gap:40px}.form-left{display:none}
  .author-inner{grid-template-columns:1fr}.author-photo{width:100%;height:300px}
  .trust-stats{grid-template-columns:repeat(2,1fr);row-gap:16px}
  .trust-stats .stat+.stat{border-left:none}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:640px){
  .section,.section-dark,.section-light{padding:56px 0}
  .hero{padding:100px 0 64px}
  .chapters-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr}
  .mobile-cta{display:block}
  .admin-sidebar{display:none}.admin-content{padding:20px 16px}.admin-header{padding:16px}
}