@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');
:root{--ink:#192b26;--muted:#5d7068;--green:#2f7057;--green-deep:#1d4b3c;--canvas:#f7f8f4;--line:#e1e8de;--cream:#eff2e9;--white:#fff;--focus:#b06a17}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--canvas);color:var(--ink);font-family:'DM Sans',system-ui,sans-serif;line-height:1.65}h1,h2,h3,p{margin-top:0}h1,h2,h3{font-family:Manrope,system-ui,sans-serif;line-height:1.2;letter-spacing:-.04em}a{color:inherit}a:focus-visible{outline:3px solid var(--focus);outline-offset:4px;border-radius:3px}.container{width:min(1160px,calc(100% - 48px));margin-inline:auto}.narrow{max-width:800px}.skip-link{position:absolute;left:14px;top:-80px;background:var(--ink);color:white;padding:12px;z-index:20}.skip-link:focus{top:12px}.site-header{background:rgba(247,248,244,.94);border-bottom:1px solid var(--line)}.header-inner{min-height:86px;display:flex;align-items:center;gap:40px}.wordmark{display:inline-flex;align-items:center;gap:12px;text-decoration:none;font:800 23px Manrope,sans-serif;white-space:nowrap;letter-spacing:-.06em}.wordmark-light{color:var(--green)}.wordmark-symbol{height:31px;width:33px;display:flex;gap:3px;align-items:end}.wordmark-symbol span{background:var(--green);width:8px;border-radius:6px 6px 2px 2px;transform:skew(-14deg)}.wordmark-symbol span:nth-child(1){height:12px}.wordmark-symbol span:nth-child(2){height:21px}.wordmark-symbol span:nth-child(3){height:30px}.main-nav{display:flex;gap:32px;margin-left:auto}.main-nav a{text-decoration:none;color:#485e53;font-size:14px;font-weight:700}.main-nav a:hover,.main-nav a[aria-current]{color:var(--green);text-decoration:underline;text-underline-offset:6px}.pilot-tag{display:flex;align-items:center;gap:8px;padding:8px 13px;border:1px solid #d5e2d4;border-radius:30px;color:#3f7158;background:#eff5ec;font-size:12px;font-weight:700;white-space:nowrap}.status-dot,.small-dot{width:7px;height:7px;background:#77a56e;border-radius:50%;display:inline-block}.hero{padding:88px 0 92px;overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}.eyebrow{display:inline-flex;gap:10px;align-items:center;font-size:11px;font-weight:800;letter-spacing:.14em;color:var(--green);margin-bottom:24px}.eyebrow-dash{display:inline-block;width:21px;height:2px;background:#7caa87}.hero h1,.page-intro h1{font-size:clamp(43px,5.5vw,72px);font-weight:800;line-height:1.12;max-width:650px;margin-bottom:27px}.hero h1 em,.page-intro h1 em{font-style:normal;color:var(--green)}.lead{font-size:18px;color:var(--muted);line-height:1.8;max-width:590px}.hero-actions{display:flex;gap:28px;align-items:center;flex-wrap:wrap;margin-top:35px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:15px;border-radius:9px;padding:15px 20px;font-weight:700;font-size:14px;text-decoration:none;min-height:50px;transition:transform .2s,background .2s}.btn:hover{transform:translateY(-2px)}.btn-primary{color:white;background:var(--green-deep)}.btn-primary:hover{background:#28664f}.btn-light{background:white;color:var(--green-deep)}.text-link{font-size:14px;font-weight:700;text-decoration:none}.text-link:hover{text-decoration:underline}.disclosure{font-size:12px;color:#718076;margin-top:35px;display:flex;gap:9px;align-items:flex-start}.disclosure .small-dot{margin-top:7px;flex-shrink:0}.hero-art{height:455px;position:relative;border-radius:30px;background:linear-gradient(155deg,#e3eddf,#d2e2d6 80%);overflow:hidden;box-shadow:0 25px 55px rgba(33,66,48,.08)}.orb{position:absolute;border-radius:50%;border:1px solid rgba(63,115,82,.18)}.orb-one{width:500px;height:500px;left:0;top:-130px}.orb-two{width:370px;height:370px;left:70px;top:-60px}.path-line{position:absolute;width:310px;height:270px;border:4px dashed rgba(64,113,83,.38);border-left:0;border-bottom:0;border-radius:40% 65% 0 0;left:75px;top:125px;transform:rotate(20deg)}.path-circle{position:absolute;width:82px;height:82px;border-radius:50%;display:grid;place-items:center;background:#f9f8ee;border:9px solid #c4d6c5;box-shadow:0 8px 16px #43664719;color:var(--green-deep);font:800 28px Manrope}.path-circle-one{left:74px;bottom:81px}.path-circle-two{left:43%;top:160px}.path-circle-three{right:48px;top:85px;background:#39765b;color:white;border-color:#8db697}.art-label{position:absolute;background:#fff;border-radius:12px;box-shadow:0 8px 28px #163d2620;padding:12px 16px;font-weight:700;font-size:13px;display:flex;gap:10px;align-items:center;z-index:1}.art-label-icon{background:#e5f1e6;color:var(--green);border-radius:8px;display:grid;place-items:center;width:29px;height:29px;font-size:18px}.art-label-top{top:36px;left:30px}.art-label-bottom{right:24px;bottom:86px}.art-bottom-text{position:absolute;bottom:29px;left:30px;font-size:12px;color:#4c6c59}.content-section{padding:76px 0 110px;background:#fff}.section-heading{max-width:680px;margin-bottom:40px}.section-heading .eyebrow{margin-bottom:16px}.section-heading h2{font-size:clamp(30px,3vw,43px);margin-bottom:16px}.section-heading p{color:var(--muted)}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.feature-card{border:1px solid var(--line);border-radius:16px;padding:31px;min-height:255px;background:#fcfdfa}.feature-num{font-size:11px;letter-spacing:.1em;color:#699480;font-weight:800;float:right}.feature-icon{display:grid;place-items:center;width:44px;height:44px;border-radius:12px;background:#e6f0e6;color:var(--green-deep);font-size:25px;margin-bottom:26px}.feature-card h3,.feature-card h2{font-size:19px;letter-spacing:-.03em;margin-bottom:12px}.feature-card p{font-size:14px;color:var(--muted);line-height:1.8;margin:0}.wide-note{background:var(--green-deep);color:#fff;padding:74px 0}.note-inner{display:flex;justify-content:space-between;gap:45px;align-items:center}.wide-note .eyebrow{color:#b7d9bc;margin-bottom:12px}.wide-note h2{font-size:clamp(27px,3vw,39px);margin-bottom:9px}.wide-note p{color:#c4d7ce;margin:0}.site-footer{padding:43px 0;background:#f1f4ed}.footer-inner{display:flex;justify-content:space-between;gap:30px;font-size:13px;color:var(--muted)}.footer-inner strong{font-size:17px;color:var(--ink)}.footer-inner p{margin:4px 0 0}.page-intro{padding:95px 0 72px}.page-intro h1{font-size:clamp(39px,5vw,60px)}.steps-list{border-top:1px solid var(--line)}.step{display:flex;gap:35px;padding:35px 0;border-bottom:1px solid var(--line)}.step-number{color:var(--green);font-weight:800;font-size:20px}.step h2{font-size:23px;margin-bottom:9px}.step p{color:var(--muted);margin-bottom:0}.simple-cta{padding:70px 0;background:#eaf1e7}.simple-cta h2{font-size:32px}.simple-cta p{color:var(--muted);margin-bottom:24px}@media(max-width:980px){.hero-grid{gap:30px}.hero-art{height:380px}.art-label-bottom{right:10px}.path-circle-three{right:20px}}@media(max-width:760px){.container{width:min(100% - 32px,1160px)}.header-inner{min-height:78px;flex-wrap:wrap;gap:0;padding:15px 0}.wordmark{font-size:20px}.pilot-tag{margin-left:auto;font-size:11px}.main-nav{width:100%;order:3;justify-content:flex-start;gap:25px;margin:15px 0 0}.hero{padding:56px 0}.hero-grid{grid-template-columns:1fr}.hero-art{height:330px}.hero h1{font-size:clamp(40px,10vw,62px)}.lead{font-size:16px}.content-section{padding:58px 0 70px}.feature-grid{grid-template-columns:1fr}.feature-card{min-height:0}.note-inner{align-items:flex-start;flex-direction:column}.footer-inner{flex-direction:column}.page-intro{padding:60px 0 42px}.step{gap:22px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn{transition:none}.btn:hover{transform:none}}

/* Etape 2.1: interactive concept demonstration */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.demo-intro{padding:76px 0 48px}.demo-intro h1{font-size:clamp(38px,5vw,60px);max-width:790px}.demo-intro h1 em{font-style:normal;color:var(--green)}.demo-notice{border:1px solid #dfd3ad;background:#fff9e9;border-radius:12px;color:#66522b;padding:18px 20px;font-size:14px;margin-top:28px}.demo-notice strong{display:block}.demo-main{padding:22px 0 90px}.demo-grid{display:grid;grid-template-columns:minmax(250px,.75fr) minmax(0,1.35fr);gap:24px;align-items:start}.demo-pick,.demo-result{background:white;border:1px solid var(--line);border-radius:20px;padding:32px}.demo-pick h2{font-size:24px}.demo-pick>p,.demo-desc{color:var(--muted)}.demo-fieldset{border:0;padding:0;margin:25px 0 20px;display:grid;gap:11px}.demo-option{display:flex;align-items:center;gap:13px;padding:14px;border:1px solid var(--line);border-radius:11px;cursor:pointer;font-weight:700}.demo-option.is-selected{border-color:#428467;background:#ecf4eb}.demo-option input{accent-color:var(--green);width:18px;height:18px}.demo-submit{width:100%;border:0;cursor:pointer;font:700 14px 'DM Sans',sans-serif}.demo-result>.eyebrow{margin-bottom:10px}.demo-result h2{font-size:clamp(28px,3vw,38px);margin-bottom:12px}.demo-steps{margin-top:25px}.demo-steps article{display:flex;gap:20px;padding:21px 0;border-top:1px solid var(--line)}.demo-step-num{flex:0 0 39px;height:39px;display:grid;place-items:center;border-radius:11px;color:var(--green);background:#e8f1e8;font-weight:800;font-size:12px}.demo-steps h3{font-size:17px;margin-bottom:6px}.demo-steps p{color:var(--muted);font-size:14px;margin-bottom:0}.demo-bottom{background:#edf5eb;border-radius:13px;padding:20px 22px;margin-top:15px;color:var(--green-deep)}.demo-bottom p{color:#536f5e;margin:5px 0 0;font-size:14px}.demo-pick input:focus-visible{outline:3px solid var(--focus);outline-offset:3px}@media(max-width:800px){.demo-grid{grid-template-columns:1fr}.demo-intro{padding:54px 0 25px}.demo-main{padding-bottom:60px}.demo-pick,.demo-result{padding:23px}}

/* Etape 2.2: demonstration polish + private admin view scaffolding */
.demo-intro .narrow{max-width:840px}.demo-intro .demo-notice strong{display:inline}.demo-pick{position:sticky;top:24px}.demo-option:hover{border-color:#7ba58a;background:#f5faf4}.demo-result{box-shadow:0 14px 38px rgba(32,67,47,.05)}.demo-result .demo-steps article:last-child{border-bottom:1px solid var(--line)}
.admin-body{background:#f5f7f3}.admin-shell{min-height:100vh;display:grid;grid-template-columns:260px minmax(0,1fr)}.admin-sidebar{background:#183d31;color:#fff;padding:30px 18px;display:flex;flex-direction:column;gap:28px}.admin-brand{color:#fff;text-decoration:none;font:800 24px Manrope,sans-serif;padding:0 13px}.admin-brand>span{color:#b9e3c5}.admin-brand small{display:block;color:#b4cfbf;font:600 11px 'DM Sans',sans-serif;letter-spacing:.12em;margin-top:7px;text-transform:uppercase}.admin-nav-caption{color:#9dbdaa;font-size:11px;letter-spacing:.13em;font-weight:800;padding:0 13px}.admin-sidebar nav{display:grid;gap:7px}.admin-nav-item{display:flex;justify-content:space-between;align-items:center;color:#deeee1;border-radius:10px;padding:13px;font-weight:600;font-size:14px}.admin-nav-item.is-active{background:#316b52;color:white}.admin-nav-item.is-inactive{opacity:.65}.admin-nav-item small{font-size:10px;font-weight:500}.admin-sidebar-note{margin-top:auto;font-size:12px;color:#abcdb6;line-height:1.7;padding:13px}.admin-content{min-width:0}.admin-topbar{min-height:78px;background:white;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:15px;padding:17px 44px;font-size:13px;color:var(--muted)}.admin-preview-pill{background:#e9f1e9;color:#28684f;border-radius:22px;padding:8px 13px;font-weight:700}.admin-main{max-width:1250px;margin:auto;padding:50px 44px}.admin-intro h1{font-size:clamp(27px,3vw,40px);margin-bottom:14px}.admin-intro p{color:var(--muted)}.admin-stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:32px 0}.admin-stat,.admin-panel{border:1px solid var(--line);background:white;border-radius:16px;padding:27px}.admin-stat span,.admin-stat small{display:block;color:var(--muted)}.admin-stat strong{display:block;font:800 42px Manrope;margin:12px 0}.admin-stat small{font-size:12px}.admin-panel h2{font-size:23px}.admin-panel p{color:var(--muted);max-width:750px}@media(max-width:900px){.admin-shell{grid-template-columns:1fr}.admin-sidebar{gap:16px}.admin-sidebar nav{grid-template-columns:repeat(2,minmax(0,1fr))}.admin-sidebar-note{display:none}.admin-main{padding:32px 22px}.admin-topbar{padding:18px 22px}}@media(max-width:650px){.admin-stat-grid{grid-template-columns:1fr}.admin-sidebar nav{grid-template-columns:1fr}.demo-pick{position:static}.admin-topbar{flex-wrap:wrap}}

/* 2.3a - secure administrator login */
.admin-login-page{min-height:100vh;display:grid;place-items:center;background:linear-gradient(130deg,#e8f0e7,#f8f9f5)}.login-wrap{width:min(460px,calc(100% - 32px));padding:48px 0}.login-brand{text-decoration:none;font:800 23px Manrope,sans-serif;display:inline-block;margin-bottom:25px}.login-brand span{color:var(--green)}.login-card{background:#fff;padding:38px;border:1px solid var(--line);border-radius:20px;box-shadow:0 22px 50px #23402d12}.login-card h1{font-size:36px;margin-bottom:10px}.login-card p{color:var(--muted);font-size:14px}.login-card label{display:block;font-weight:700;font-size:14px;margin:17px 0 6px}.login-card input{width:100%;height:48px;border:1px solid #bccdc1;border-radius:9px;padding:0 13px;font:inherit}.login-card input:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.login-card button{width:100%;border:0;margin-top:23px;cursor:pointer}.login-card small{display:block;margin-top:17px;color:var(--muted)}.login-error{padding:12px 14px;background:#fff1ef;border:1px solid #ebc6bf;color:#843c30;border-radius:9px;font-size:14px}.admin-logout{border:1px solid #cbdace;border-radius:8px;background:#fff;color:var(--green-deep);padding:8px 13px;font-weight:700;cursor:pointer}@media(max-width:540px){.login-card{padding:25px}}