:root{--ink:#14283d;--muted:#586b7b;--line:#dce5e9;--paper:#f7fafb;--mint:#35d6b7;--navy:#0d2134;--blue:#3655d9;--radius:20px;--font:"Segoe UI",Arial,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:96px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.6}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input{touch-action:manipulation}button{cursor:pointer}img{max-width:100%;display:block}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--blue);outline-offset:5px}h1,h2,h3,p,figure{margin:0}h1,h2,h3{line-height:1.12;letter-spacing:-.04em}h2{font-size:clamp(30px,3.2vw,46px);font-weight:650}h3{font-size:24px}.container{width:min(1200px,calc(100% - 64px));margin:auto}.topbar{border-bottom:1px solid var(--line);background:rgba(247,250,251,.97);position:sticky;top:0;z-index:20}.nav{display:flex;align-items:center;justify-content:space-between;min-height:88px;gap:24px}.brand{display:flex;align-items:center;gap:12px;line-height:1;font-size:23px;font-weight:800;letter-spacing:.015em}.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:10px;background:var(--mint);font-size:27px;color:var(--navy)}.brand-sub{display:block;font-size:10px;font-weight:650;letter-spacing:.15em;margin-top:8px}.nav nav{display:flex;align-items:center;gap:32px;font-size:14px;font-weight:600}.nav nav>a:not(.nav-cta):hover{color:var(--blue)}.nav-cta{border:1px solid var(--ink);border-radius:7px;padding:10px 18px}.nav-cta span{margin-left:16px}.hero{display:grid;grid-template-columns:1fr 1.04fr;align-items:center;gap:48px;padding-top:90px;padding-bottom:85px}.eyebrow{display:flex;align-items:center;gap:10px;font-size:12px;font-weight:750;letter-spacing:.12em;margin-bottom:25px}.eyebrow-line{display:inline-block;width:25px;height:2px;background:var(--mint)}h1{font-size:clamp(46px,5.1vw,70px);font-weight:650;letter-spacing:-.055em}h1 span{position:relative;color:var(--blue)}.lead{font-size:19px;color:var(--muted);max-width:485px;margin-top:25px;line-height:1.7}.hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:25px;margin-top:31px}.button{display:inline-flex;align-items:center;justify-content:center;gap:26px;border-radius:7px;padding:14px 21px;font-size:15px;font-weight:650;transition:transform .2s,background .2s;border:0}.button:hover{transform:translateY(-2px)}.primary{background:var(--navy);color:white}.primary:hover{background:#213c55}.button span{font-size:20px}.text-link{font-size:14px;font-weight:650;border-bottom:1px solid #bbc8cf;padding:7px 0}.text-link span{margin-left:10px}.hero-note{font-size:13px;color:var(--muted);margin-top:21px}.hero-visual{min-width:0;border-radius:12px;overflow:hidden;background:var(--navy);box-shadow:0 25px 55px -28px #20394b80;border:1px solid #29465a;transform:rotate(-1.2deg)}.window-label{color:#b7c9d6;display:flex;align-items:center;justify-content:space-between;padding:15px 14px;gap:10px;font-size:10px;letter-spacing:.06em}.three-dots{display:flex;gap:5px}.three-dots i{height:5px;width:5px;background:#516e82;border-radius:50%}.window-tag{color:var(--mint);font-size:9px;border:1px solid #2c5962;padding:2px 5px;border-radius:3px}.hero-image{height:320px;overflow:hidden;position:relative}.hero-image img{height:100%;width:100%;object-fit:cover;object-position:58% 62%;max-width:none}.hero-visual figcaption{display:flex;align-items:center;justify-content:space-between;color:#d9e7f0;padding:18px 18px;font-size:12px;border-top:1px solid #294054}.hero-visual figcaption a{display:grid;place-items:center;background:var(--mint);color:var(--navy);border-radius:50%;width:26px;height:26px;font-size:19px}.proof-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:white}.proof-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:24px 0;flex-wrap:wrap}.proof-inner p{font-size:10px;letter-spacing:.13em;font-weight:750;color:var(--muted)}.proof-inner span{font-size:14px;font-weight:600}.section{padding-top:84px;padding-bottom:84px}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:45px;margin-bottom:35px}.section-heading>p{max-width:340px;color:var(--muted);font-size:16px}.initial-figure{background:var(--navy);border-radius:16px;overflow:hidden}.initial-figure img{width:100%;height:auto}.initial-figure figcaption{padding:16px 22px;font-size:14px;color:#c6d9e6}.skip-link{position:fixed;top:-100px;left:20px;background:white;padding:10px;z-index:100}.skip-link:focus{top:10px}@media(max-width:1000px){.hero{gap:30px;padding-top:65px;padding-bottom:60px}.hero-image{height:270px}.window-tag{display:none}.hero-actions{gap:15px}.nav nav{gap:20px}}@media(max-width:760px){.container{width:calc(100% - 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/* Lisibilité des commandes et des légendes. */
.topbar{background:var(--paper)}
.small-label,.file-type span,.document-tag,.results-title,.simulation-label,.metric-caption,.chart-heading,.flow-line{font-size:12px}
.load-label,.scenario-controls legend,.scenario,.metric-label{font-size:14px}
.demo-buttons button,.demo-feedback{font-size:13px}
@media(max-width:620px){.file-type span{font-size:10px}.document-tag{font-size:11px}.results-title{font-size:11px}.chart-heading{font-size:11px}.flow-line{font-size:11px}}