:root{
  --bk:#0C0C0C;--wh:#fff;--g1:#F4F4F4;--g2:#E0E0E0;
  --g3:#909090;--g4:#484848;--bl:#1F4FD8;--bl-dk:#163DB0;
  --bl-lt:#ECF0FD;--fn:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;--rd:8px
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--fn);color:var(--bk);line-height:1.65;background:var(--wh);-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
ul{list-style:none}

/* ── Nav ── */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.93);backdrop-filter:blur(8px);border-bottom:1px solid var(--g2);padding:0 5%;display:flex;align-items:center;justify-content:space-between;height:58px}
.nav-logo{font-size:19px;font-weight:900;letter-spacing:-.4px}
.nav-logo em{color:var(--bl);font-style:normal}
.nav-back{font-size:13px;color:var(--g3);display:flex;align-items:center;gap:6px;transition:color .2s}
.nav-back:hover{color:var(--bk)}
.nav-back::before{content:'←'}
.nav-cta{background:var(--bk);color:var(--wh);padding:8px 20px;border-radius:var(--rd);font-size:14px;font-weight:700;transition:background .2s}
.nav-cta:hover{background:var(--bl)}

/* ── Hero ── */
.hero{background:var(--bk);padding:88px 5% 72px;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 55% 40% at 20% 50%,rgba(31,79,216,.15) 0%,transparent 65%);pointer-events:none}
.hero-inner{max-width:1060px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.hero-tag{display:inline-flex;align-items:center;gap:7px;font-size:11px;font-weight:700;letter-spacing:.13em;text-transform:uppercase;color:var(--bl);background:rgba(31,79,216,.1);border:1px solid rgba(31,79,216,.2);padding:5px 13px;border-radius:20px;margin-bottom:24px}
.hero-dot{width:5px;height:5px;background:var(--bl);border-radius:50%;animation:blink 2.2s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.2}}
.hero h1{font-size:clamp(28px,4.5vw,52px);font-weight:900;letter-spacing:-1.5px;line-height:1.08;color:var(--wh);margin-bottom:18px}
.hero h1 em{color:var(--bl);font-style:normal}
.hero-sub{font-size:clamp(14px,1.6vw,16px);color:rgba(255,255,255,.5);line-height:1.75;margin-bottom:28px}
.hero-ctas{display:flex;gap:12px;flex-wrap:wrap}
.btn-main{display:inline-block;background:var(--bl);color:var(--wh);padding:12px 28px;border-radius:var(--rd);font-size:14px;font-weight:700;transition:background .2s,transform .15s}
.btn-main:hover{background:var(--bl-dk);transform:translateY(-1px)}
.btn-ghost{display:inline-block;border:1.5px solid rgba(255,255,255,.15);color:rgba(255,255,255,.55);padding:12px 28px;border-radius:var(--rd);font-size:14px;font-weight:600;transition:border-color .2s,color .2s}
.btn-ghost:hover{border-color:rgba(255,255,255,.35);color:var(--wh)}
.btn-sec{display:inline-block;border:1.5px solid var(--g2);color:var(--g4);padding:12px 28px;border-radius:var(--rd);font-size:14px;font-weight:600;transition:border-color .2s,color .2s}
.btn-sec:hover{border-color:var(--bl);color:var(--bl)}

/* Tableau de bord fictif dans le hero */
.hero-dash{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:24px;position:relative}
.dash-topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.dash-title{font-size:12px;font-weight:700;color:rgba(255,255,255,.35);letter-spacing:.06em;text-transform:uppercase}
.dash-badge{font-size:10px;font-weight:700;background:rgba(34,197,94,.15);color:#22C55E;padding:3px 9px;border-radius:20px;display:flex;align-items:center;gap:5px}
.dash-badge-dot{width:5px;height:5px;background:#22C55E;border-radius:50%;animation:blink 1.8s infinite}
.dash-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:16px}
.dash-stat{background:rgba(255,255,255,.05);border-radius:7px;padding:12px 10px;text-align:center}
.dash-stat-n{font-size:22px;font-weight:900;color:var(--wh);letter-spacing:-.5px;line-height:1}
.dash-stat-n em{font-size:12px;font-style:normal;color:rgba(255,255,255,.35);font-weight:500}
.dash-stat-l{font-size:10px;color:rgba(255,255,255,.3);margin-top:4px;font-weight:500}
.dash-bars{display:flex;flex-direction:column;gap:8px;margin-bottom:14px}
.dash-bar-row{display:flex;align-items:center;gap:10px}
.dash-bar-lbl{font-size:11px;color:rgba(255,255,255,.3);width:90px;flex-shrink:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.dash-bar-track{flex:1;height:6px;background:rgba(255,255,255,.07);border-radius:3px;overflow:hidden}
.dash-bar-fill{height:100%;border-radius:3px;background:var(--bl)}
.dash-bar-val{font-size:11px;color:rgba(255,255,255,.35);width:28px;text-align:right;flex-shrink:0}
.dash-footer{display:flex;justify-content:space-between;align-items:center}
.dash-footer span{font-size:10px;color:rgba(255,255,255,.2)}

/* ── Sections ── */
.sec{padding:80px 5%}
.inner{max-width:1060px;margin:0 auto}
.lbl{font-size:11px;font-weight:700;letter-spacing:.13em;text-transform:uppercase;color:var(--bl);margin-bottom:14px}
.ttl{font-size:clamp(24px,3.5vw,40px);font-weight:800;letter-spacing:-.6px;line-height:1.12}
.sub{font-size:16px;color:var(--g4);line-height:1.75;margin-top:13px;max-width:540px}

/* ── Problème / contexte ── */
.context{background:var(--wh)}
.context-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.context-text p{font-size:15px;color:var(--g4);line-height:1.8;margin-bottom:13px}
.pain-list{display:flex;flex-direction:column;gap:12px;margin-top:8px}
.pain-item{display:flex;align-items:flex-start;gap:13px;padding:14px 16px;background:var(--g1);border-radius:var(--rd);border-left:3px solid var(--g2)}
.pain-icon{font-size:16px;flex-shrink:0;margin-top:1px}
.pain-item p{font-size:14px;color:var(--g4);line-height:1.6;margin:0}

/* ── Deux phases ── */
.phases{background:var(--g1)}
.phases-intro{margin-bottom:48px}
.phases-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.phase-card{background:var(--wh);border:1px solid var(--g2);border-radius:12px;overflow:hidden}
.phase-header{padding:24px 28px 20px;border-bottom:1px solid var(--g2)}
.phase-num{font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--g3);margin-bottom:8px}
.phase-header h3{font-size:18px;font-weight:800;letter-spacing:-.3px;line-height:1.2}
.phase-header p{font-size:14px;color:var(--g4);line-height:1.65;margin-top:8px}
.phase-body{padding:24px 28px}
.phase-feats{display:flex;flex-direction:column;gap:10px}
.phase-feat{display:flex;align-items:flex-start;gap:11px}
.phase-feat-icon{width:30px;height:30px;background:var(--bl-lt);border-radius:7px;display:flex;align-items:center;justify-content:center;font-size:13px;flex-shrink:0}
.phase-feat-txt h5{font-size:13px;font-weight:700;margin-bottom:3px}
.phase-feat-txt p{font-size:13px;color:var(--g4);line-height:1.55;margin:0}

/* ── Outil qui dure ── */
.continuity{background:var(--wh)}
.continuity-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.continuity-visual{position:relative}
.cont-box{background:var(--bk);border-radius:12px;padding:28px;border:1px solid rgba(255,255,255,.06)}
.cont-box-title{font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.3);margin-bottom:18px}
.cont-timeline{display:flex;flex-direction:column;gap:0}
.cont-item{display:flex;gap:14px;position:relative}
.cont-item:not(:last-child)::after{content:'';position:absolute;left:14px;top:32px;bottom:-2px;width:1px;background:rgba(255,255,255,.07)}
.cont-dot{width:28px;height:28px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;margin-top:2px}
.cont-dot.done{background:var(--bl);color:var(--wh)}
.cont-dot.done-light{background:rgba(31,79,216,.25);color:var(--bl)}
.cont-dot.future{background:rgba(255,255,255,.06);color:rgba(255,255,255,.2)}
.cont-txt{padding-bottom:20px}
.cont-txt h5{font-size:13px;font-weight:700;color:var(--wh);margin-bottom:3px}
.cont-txt p{font-size:12px;color:rgba(255,255,255,.38);line-height:1.55}
.continuity-text p{font-size:15px;color:var(--g4);line-height:1.8;margin-bottom:13px}
.cont-feats{display:flex;flex-direction:column;gap:10px;margin-top:20px}
.cont-feat{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--g4)}
.cont-feat::before{content:'→';color:var(--bl);font-weight:700;flex-shrink:0;margin-top:1px}

/* ── Accès client ── */
.client-access{background:var(--g1)}
.ca-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:48px}
.ca-card{background:var(--wh);border:1px solid var(--g2);border-radius:var(--rd);padding:26px 22px;transition:border-color .2s,transform .2s}
.ca-card:hover{border-color:var(--bl);transform:translateY(-2px)}
.ca-icon{width:40px;height:40px;background:var(--bl-lt);border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:17px;margin-bottom:16px}
.ca-card h4{font-size:15px;font-weight:700;margin-bottom:8px}
.ca-card p{font-size:13px;color:var(--g4);line-height:1.65}

/* ── CTA ── */
.cta-sec{background:var(--bk);text-align:center;padding:80px 5%}
.cta-sec h2{font-size:clamp(24px,3.5vw,38px);font-weight:800;letter-spacing:-.6px;color:var(--wh);max-width:580px;margin:0 auto 14px;line-height:1.12}
.cta-sec p{font-size:16px;color:rgba(255,255,255,.45);margin-bottom:32px}
.cta-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* ── Footer ── */
.footer{padding:26px 5%;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;border-top:1px solid var(--g2)}
.footer p{font-size:12px;color:var(--g3)}
.footer a{color:var(--g3);transition:color .2s}
.footer a:hover{color:var(--bk)}
.footer-links{display:flex;gap:16px}
.footer-links a{font-size:12px;color:var(--g3)}

/* ── Responsive ── */
@media(max-width:860px){
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero-dash{display:none}
  .context-grid,.continuity-grid,.phases-grid{grid-template-columns:1fr;gap:28px}
  .ca-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:520px){
  .ca-grid{grid-template-columns:1fr}
  .sec{padding:60px 5%}
  .hero{padding:64px 5% 52px}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}