:root{--color-bg:oklch(98% .006 155);--color-surface:oklch(100% 0 0);--color-text:oklch(22% .025 160);--color-muted:oklch(47% .025 160);--color-primary:oklch(42% .09 165);--color-primary-hover:oklch(35% .075 165);--color-accent:oklch(95% .03 160);--color-border:oklch(88% .015 160);--color-error:oklch(46% .16 25);--color-success:oklch(45% .1 155);--color-focus:oklch(65% .15 160);--font-sans:Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--space-2xs:.25rem;--space-xs:.5rem;--space-sm:.75rem;--space-md:1rem;--space-lg:1.5rem;--space-xl:2rem;--space-2xl:3rem;--space-3xl:4.5rem;--radius-sm:.375rem;--radius-md:.75rem;--radius-lg:1rem;--container:72rem;--transition:.16s cubic-bezier(.22, 1, .36, 1)}*,:before,:after{box-sizing:border-box}html{color-scheme:light;scroll-behavior:smooth}body{background:var(--color-bg);min-width:20rem;color:var(--color-text);font-family:var(--font-sans);text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;margin:0;font-size:1rem;line-height:1.6}button,input,select{font:inherit}a{color:inherit;text-underline-offset:.18em;text-decoration-thickness:.08em}img,svg{max-width:100%;display:block}h1,h2,h3,p{margin-top:0}h1,h2,h3{letter-spacing:-.025em;text-wrap:balance;line-height:1.1}h1{max-width:13ch;margin-bottom:var(--space-lg);font-size:clamp(2.75rem,7vw,5.5rem)}h2{margin-bottom:var(--space-md);font-size:clamp(2rem,4vw,3.5rem)}h3{margin-bottom:var(--space-xs);font-size:1.25rem}p{text-wrap:pretty}.container{width:min(calc(100% - 2rem), var(--container));margin-inline:auto}.skip-link{top:var(--space-md);left:var(--space-md);z-index:50;padding:var(--space-sm) var(--space-md);background:var(--color-text);color:var(--color-surface);position:fixed;transform:translateY(-200%)}.skip-link:focus{transform:translateY(0)}:focus-visible{outline:3px solid var(--color-focus);outline-offset:3px}.site-header{border-bottom:1px solid var(--color-border);background:color-mix(in oklch, var(--color-bg) 94%, transparent)}.header-inner,.header-nav,.wordmark,.cta-group{align-items:center;display:flex}.header-inner{justify-content:space-between;gap:var(--space-md);min-height:4.75rem}.wordmark{gap:var(--space-sm);color:var(--color-text);font-weight:750;text-decoration:none}.wordmark-mark{border-radius:var(--radius-sm);background:var(--color-primary);width:2.25rem;height:2.25rem;color:var(--color-surface);letter-spacing:.03em;place-items:center;font-size:.75rem;display:grid}.header-nav{gap:var(--space-lg)}.header-secondary-link{font-size:.9375rem;font-weight:650;text-decoration:none;display:none}.button{border-radius:var(--radius-sm);text-align:center;min-height:3rem;transition:background-color var(--transition), border-color var(--transition), color var(--transition), transform var(--transition);border:1px solid #0000;justify-content:center;align-items:center;padding:.75rem 1.25rem;font-weight:720;line-height:1.2;text-decoration:none;display:inline-flex}.button:hover{transform:translateY(-1px)}.button:active{transform:translateY(0)}.button-small{min-height:2.75rem;padding-inline:1rem;font-size:.875rem}.button-primary{background:var(--color-primary);color:var(--color-surface)}.button-primary:hover{background:var(--color-primary-hover)}.button-secondary{border-color:var(--color-primary);color:var(--color-primary);background:0 0}.button-secondary:hover{background:var(--color-accent)}.cta-group{gap:var(--space-sm);flex-wrap:wrap}.hero{padding-block:clamp(2rem, 6vw, 5rem) var(--space-xl)}.hero-sheet{border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-surface);overflow:hidden}.sheet-meta{border-bottom:1px solid var(--color-border);flex-wrap:wrap;display:flex}.sheet-meta>div{padding:var(--space-sm) var(--space-lg);flex:16rem}.sheet-meta>div+div{border-top:1px solid var(--color-border)}.sheet-meta span,.interface-label,.section-context{margin-bottom:var(--space-2xs);color:var(--color-muted);letter-spacing:.04em;text-transform:uppercase;font-size:.75rem;font-weight:750;display:block}.sheet-meta strong{font-size:.9375rem;display:block}.hero-grid{gap:var(--space-xl);padding:clamp(1.5rem,5vw,4.5rem);display:grid}.hero-copy{max-width:47rem}.hero-audience{max-width:60ch;margin-bottom:var(--space-md);color:var(--color-primary);font-weight:720}.hero-lead{max-width:62ch;margin-bottom:var(--space-xl);color:var(--color-muted);font-size:clamp(1.125rem,2vw,1.375rem)}.reassurance{max-width:52ch;margin:var(--space-md) 0 0;color:var(--color-muted);font-size:.9375rem}.hero-note{border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-lg);background:var(--color-accent);align-self:end}.note-title{margin-bottom:var(--space-md);letter-spacing:.04em;text-transform:uppercase;font-size:.875rem;font-weight:800}.check-list,.control-list{margin:0;padding:0;list-style:none}.check-list{gap:var(--space-sm);display:grid}.check-list li{padding-left:1.75rem;position:relative}.check-list li:before{color:var(--color-success);content:"✓";font-weight:850;position:absolute;left:0}.callback-section{padding-block:var(--space-lg) clamp(3rem, 7vw, 6rem)}.callback-shell{border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-accent)}.callback-details>summary{cursor:pointer;justify-content:space-between;align-items:center;gap:var(--space-lg);min-height:5rem;padding:var(--space-lg);list-style:none;display:flex}.callback-details>summary::-webkit-details-marker{display:none}.callback-details summary strong,.callback-details summary span{display:block}.callback-details summary>span>span{margin-top:var(--space-2xs);color:var(--color-muted)}.summary-action{color:var(--color-primary);flex:none;font-size:.875rem;font-weight:750}.callback-details[open] .summary-action{font-size:0}.callback-details[open] .summary-action:after{content:"Fermer";font-size:.875rem}.callback-form{border-top:1px solid var(--color-border);padding:var(--space-lg);background:var(--color-surface)}.form-grid{gap:var(--space-lg);display:grid}.field label,.consent-field label{font-weight:700}.field label{margin-bottom:var(--space-xs);display:block}.optional{color:var(--color-muted);font-size:.8125rem;font-weight:500}input:not([type=checkbox]),select{border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);width:100%;min-height:3rem;color:var(--color-text);padding:.7rem .8rem}input:not([type=checkbox]):focus,select:focus{border-color:var(--color-primary)}input[aria-invalid=true],select[aria-invalid=true]{border-color:var(--color-error)}.field-help,.field-error{margin:var(--space-2xs) 0 0;font-size:.8125rem}.field-help{color:var(--color-muted)}.field-error{min-height:1.2em;color:var(--color-error)}.consent-field{margin-top:var(--space-xl)}.consent-field label{align-items:flex-start;gap:var(--space-sm);font-size:.9375rem;font-weight:550;display:flex}.consent-field input{width:1.25rem;height:1.25rem;accent-color:var(--color-primary);flex:none;margin-top:.2rem}.honeypot{width:1px;height:1px;position:absolute;left:-10000px;overflow:hidden}.turnstile-field{min-height:4.5rem;margin-top:var(--space-lg)}.form-actions{align-items:center;gap:var(--space-md);flex-wrap:wrap;display:flex}.form-status{color:var(--color-muted);margin:0}.form-success{margin-top:var(--space-xl);border:1px solid var(--color-success);border-radius:var(--radius-md);padding:var(--space-lg);background:color-mix(in oklch, var(--color-success) 8%, var(--color-surface))}.form-success p{margin-bottom:var(--space-xs)}.noscript-message{margin:var(--space-lg) 0 0;color:var(--color-error)}.section{padding-block:clamp(3.5rem,8vw,7rem)}.section-heading{max-width:44rem;margin-bottom:var(--space-2xl)}.section-heading p,.wide-heading p{max-width:70ch;color:var(--color-muted);font-size:1.0625rem}.wide-heading{max-width:58rem}.problem-section{border-top:1px solid var(--color-border)}.problem-grid{gap:var(--space-md);display:grid}.problem-grid article{border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-lg);background:var(--color-surface)}.problem-grid p{color:var(--color-muted);margin:0}.functioning-section{background:var(--color-surface)}.functioning-layout,.demo-layout,.control-layout,.faq-layout{gap:var(--space-xl);display:grid}.steps-list{margin:0;padding:0;list-style:none}.steps-list li{gap:var(--space-md);border-top:1px solid var(--color-border);padding-block:var(--space-lg);grid-template-columns:2.5rem 1fr;display:grid}.steps-list li:last-child{border-bottom:1px solid var(--color-border)}.steps-list li>span{background:var(--color-primary);width:2.5rem;height:2.5rem;color:var(--color-surface);border-radius:50%;place-items:center;font-weight:800;display:grid}.steps-list p{color:var(--color-muted);margin:0}.demo-section{background:var(--color-text);color:var(--color-surface)}.demo-section .section-context,.demo-section time,.interface-note{color:oklch(82% .018 160)}.timeline{margin:var(--space-xl) 0 0;padding:0;list-style:none}.timeline li{gap:var(--space-md);padding-bottom:var(--space-xl);grid-template-columns:1.25rem 1fr;display:grid;position:relative}.timeline li:not(:last-child):after{content:"";background:oklch(50% .04 160);width:1px;position:absolute;top:1.25rem;bottom:0;left:.575rem}.timeline-marker{z-index:1;border:3px solid var(--color-text);background:oklch(75% .1 160);border-radius:50%;outline:1px solid oklch(65% .08 160);width:1.25rem;height:1.25rem;display:block;position:relative}.marker-success{background:oklch(78% .16 150)}.timeline strong,.timeline time{display:block}.timeline time{margin-top:var(--space-2xs);font-size:.875rem}.sequence-stop{align-items:center;gap:var(--space-xs);margin:0;font-weight:750;display:inline-flex}.sequence-stop span{color:oklch(78% .16 150)}.interface-example{border-radius:var(--radius-md);padding:var(--space-lg);background:var(--color-surface);color:var(--color-text);align-self:center}.interface-header,.interface-title-row,.interface-list>div{justify-content:space-between;align-items:center;gap:var(--space-md);display:flex}.interface-header{border-bottom:1px solid var(--color-border);padding-bottom:var(--space-md);font-weight:800}.status-chip{background:var(--color-accent);color:var(--color-primary);border-radius:999px;padding:.25rem .6rem;font-size:.75rem;font-weight:750}.status-active{background:var(--color-primary);color:var(--color-surface)}.interface-title-row{padding-block:var(--space-lg)}.interface-list{border-top:1px solid var(--color-border);margin:0}.interface-list>div{border-bottom:1px solid var(--color-border);padding-block:var(--space-sm)}.interface-list dt{color:var(--color-muted)}.interface-list dd{margin:0;font-weight:750}.interface-note{margin:var(--space-md) 0 0;color:var(--color-muted);font-size:.8125rem}.control-list{gap:var(--space-sm);display:grid}.control-list li{border-bottom:1px solid var(--color-border);padding:var(--space-sm) 0 var(--space-sm) 2rem;font-size:1.125rem;font-weight:650;position:relative}.control-list li:before{color:var(--color-primary);content:"✓";position:absolute;left:0}.pilot-section{background:var(--color-primary);color:var(--color-surface);padding-block:clamp(3rem,7vw,6rem)}.pilot-layout,.final-layout{gap:var(--space-xl);align-items:center;display:grid}.pilot-layout p,.final-layout p{max-width:65ch;margin-bottom:0}.pilot-section .button-primary{background:var(--color-surface);color:var(--color-primary)}.pilot-section .button-secondary{border-color:var(--color-surface);color:var(--color-surface)}.pilot-section .button-secondary:hover{background:color-mix(in oklch, var(--color-surface) 12%, transparent)}.faq-section{background:var(--color-surface)}.faq-list details{border-top:1px solid var(--color-border)}.faq-list details:last-child{border-bottom:1px solid var(--color-border)}.faq-list summary{cursor:pointer;padding-block:var(--space-lg);font-size:1.125rem;font-weight:750}.faq-list p{max-width:65ch;padding-bottom:var(--space-lg);color:var(--color-muted)}.final-section{padding-block:clamp(4rem,9vw,8rem)}.site-footer{border-top:1px solid var(--color-border);padding-block:var(--space-xl);background:var(--color-surface)}.footer-inner,.footer-inner nav{gap:var(--space-sm);flex-direction:column;display:flex}.footer-inner p{color:var(--color-muted);margin:0}.footer-inner nav a{width:fit-content}.legal-page{min-height:70vh;padding-block:var(--space-2xl) var(--space-3xl)}.legal-container{max-width:50rem}.legal-container h1{margin-top:var(--space-2xl);font-size:clamp(2.5rem,6vw,4.5rem)}.legal-container section{margin-top:var(--space-2xl)}.legal-container section h2{font-size:1.75rem}.back-link{font-weight:700}.development-banner{margin-top:var(--space-xl);border:1px solid var(--color-error);border-radius:var(--radius-sm);padding:var(--space-sm) var(--space-md);color:var(--color-error);font-weight:700}.legal-list{margin:0}.legal-list>div{gap:var(--space-2xs);border-top:1px solid var(--color-border);padding-block:var(--space-sm);display:grid}.legal-list dt{color:var(--color-muted)}.legal-list dd{margin:0}.simple-page{min-height:100vh;padding:var(--space-lg);place-items:center;display:grid}.simple-panel{border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-surface);text-align:center;width:min(100%,46rem);padding:clamp(1.5rem,6vw,4rem)}.simple-panel h1{max-width:none;font-size:clamp(2.25rem,6vw,4rem)}.centered-actions{justify-content:center}@media (width>=40rem){.container{width:min(calc(100% - 3rem), var(--container))}.sheet-meta>div+div{border-top:0;border-left:1px solid var(--color-border)}.form-grid,.problem-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.problem-grid article:last-child{grid-column:1/-1}.footer-inner{flex-flow:wrap;justify-content:space-between;align-items:center}.footer-inner nav{flex-flow:wrap}.legal-list>div{grid-template-columns:12rem 1fr}}@media (width>=48rem){.header-secondary-link{display:inline}.functioning-layout,.control-layout,.faq-layout{grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr)}.demo-layout{grid-template-columns:minmax(0,.8fr) minmax(22rem,1.2fr)}.problem-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.problem-grid article:last-child{grid-column:auto}.pilot-layout,.final-layout{grid-template-columns:minmax(0,1.3fr) minmax(18rem,.7fr)}.pilot-layout .cta-group,.final-layout .cta-group{justify-content:flex-end}}@media (width>=64rem){.hero-grid{grid-template-columns:minmax(0,1.5fr) minmax(18rem,.5fr);align-items:end}.form-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.sticky-heading{top:var(--space-xl);align-self:start;position:sticky}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{scroll-behavior:auto;transition-duration:.01ms}}