:root{--sky:#87CEEB;--blue:#2B6CB0;--navy:#163B5C;--ink:#203746;--pale:#F3F9FC;--gray:#657783;--coral:#F07C62;--white:#fff}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,sans-serif;color:var(--ink);background:var(--white);line-height:1.5}a{color:inherit;text-decoration:none}.nav{height:76px;display:flex;align-items:center;justify-content:space-between;padding:0 max(24px,calc((100vw - 1120px)/2));border-bottom:1px solid #e4eef2;background:#fff}.brand{display:flex;align-items:center;gap:9px;font-size:20px;color:var(--navy);font-weight:800}.brand b{color:var(--blue)}.brand-mark{display:grid;place-items:center;width:31px;height:31px;border-radius:50%;background:var(--sky);color:var(--navy);font-size:24px;line-height:1}.nav nav{display:flex;align-items:center;gap:25px;color:var(--gray);font-size:14px}.nav-cta,.button{border-radius:999px;padding:11px 18px;font-weight:700;display:inline-block;border:0;cursor:pointer;font-size:14px}.nav-cta,.primary{background:var(--coral);color:#fff}.secondary{background:#e8f5fa;color:var(--blue)}.back{font-size:14px;color:var(--gray)}main{max-width:1120px;margin:0 auto;padding:0 24px}.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center;padding:90px 0 80px}.eyebrow{font-size:12px;letter-spacing:.12em;font-weight:800;color:var(--coral);margin:0 0 12px}.hero h1,.form-intro h1{font-size:clamp(42px,6vw,70px);line-height:1.04;color:var(--blue);margin:0 0 24px;letter-spacing:-.04em}.lead{font-size:21px;color:var(--gray);max-width:560px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}.hero-art{height:360px;background:linear-gradient(145deg,#eaf8fc,#b9e8f6);border-radius:28px;position:relative;overflow:hidden;display:grid;place-items:center;color:var(--navy);font-size:20px;letter-spacing:.08em;text-align:center}.bubble{width:125px;height:125px;border-radius:45% 45% 45% 12%;background:#fff;display:grid;place-items:center;font-size:58px;color:var(--blue);box-shadow:0 16px 40px #83c4d955;transform:rotate(-8deg)}.wave{position:absolute;width:240px;height:90px;border:4px solid var(--sky);border-color:var(--sky) transparent;transform:rotate(-12deg);border-radius:50%}.hero-art span{position:absolute;bottom:38px;font-size:13px}.notice{display:flex;gap:18px;align-items:center;background:var(--navy);color:#fff;padding:18px 22px;border-radius:16px;margin:0 0 90px}.notice strong{color:var(--sky);white-space:nowrap}.notice.compact{margin:25px 0 0;font-size:14px;padding:15px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:70px;padding:20px 0 100px}.two-col h2,h2{font-size:36px;line-height:1.1;color:var(--blue);margin:0 0 14px}.two-col p{font-size:20px;color:var(--gray);margin-top:42px}section{padding:40px 0 90px}.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:30px}.steps article{padding:22px;background:var(--pale);border-radius:16px;min-height:190px}.steps b{color:var(--sky);font-size:28px}.steps h3{font-size:18px;color:var(--navy);margin:14px 0 8px}.steps p{font-size:14px;color:var(--gray);margin:0}.feature{background:var(--navy);color:#fff;border-radius:24px;padding:58px;display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}.feature h2,.future h2{color:#fff}.feature p{color:#dcecf4;font-size:18px}.mock-card{background:#fff;color:var(--navy);padding:28px;border-radius:18px}.mock-card span{color:var(--coral);font-size:12px;font-weight:800}.mock-card strong{display:block;margin-top:20px}.bar{height:10px;background:#e8f0f3;border-radius:10px;margin-top:8px}.bar i{display:block;height:100%;border-radius:10px;background:var(--sky)}.mock-card small{display:block;color:var(--gray);margin-top:24px}.contribution{background:var(--pale);padding:55px;border-radius:24px;margin-top:90px}.contribution p,.future p{max-width:760px;color:var(--gray);font-size:18px}.future{padding:90px 0}.future{background:var(--blue);color:#fff;border-radius:24px;padding:55px;margin:90px 0}.future .eyebrow{color:var(--sky)}footer{display:flex;justify-content:space-between;padding:28px max(24px,calc((100vw - 1120px)/2));color:var(--gray);font-size:12px;border-top:1px solid #e4eef2}.form-shell{max-width:760px;padding-top:65px;padding-bottom:90px}.form-intro p{font-size:18px;color:var(--gray)}.progress{height:8px;background:#e5f0f4;border-radius:8px;margin-top:42px}.progress i{display:block;height:100%;width:20%;background:var(--sky);border-radius:8px;transition:.2s}.step-label{font-size:13px;color:var(--gray)}form{margin-top:25px}.form-step{display:none;padding:25px 0}.form-step.active{display:block}.form-step h2{font-size:30px}.form-step label{display:block;font-weight:700;color:var(--navy);margin:22px 0}.form-step input:not([type=checkbox]),.form-step select,.form-step textarea{display:block;width:100%;margin-top:8px;border:1px solid #cfe0e7;border-radius:10px;padding:13px 14px;font:inherit;color:var(--ink);background:#fff}.form-step textarea{min-height:100px;resize:vertical}.scale{display:flex;gap:10px;margin-top:10px}.scale span{display:grid;place-items:center;width:34px;height:34px;background:var(--pale);color:var(--blue);border-radius:50%;font-weight:800}.form-step input[type=range]{width:100%;accent-color:var(--blue)}.check{font-weight:400!important;display:flex!important;gap:10px;align-items:flex-start}.check input{margin-top:6px;accent-color:var(--blue)}.privacy{background:var(--pale);padding:16px;border-radius:12px;font-size:13px;color:var(--gray)}.privacy p{margin:8px 0 0}.form-actions{display:flex;justify-content:space-between;margin-top:15px}.confirmation{text-align:center;background:var(--pale);padding:45px;border-radius:20px}.checkmark{width:58px;height:58px;border-radius:50%;display:grid;place-items:center;background:var(--sky);color:var(--navy);font-size:30px;margin:0 auto 20px}@media(max-width:800px){.nav nav{gap:10px}.nav nav a:not(.nav-cta){display:none}.hero,.two-col,.feature{grid-template-columns:1fr;gap:28px}.hero{padding:55px 0}.steps{grid-template-columns:1fr 1fr}.feature{padding:30px}.notice{align-items:flex-start;flex-direction:column}.contribution,.future{padding:30px}}@media(max-width:520px){.steps{grid-template-columns:1fr}.hero h1,.form-intro h1{font-size:43px}.two-col h2,h2{font-size:30px}footer{flex-direction:column;gap:8px}.nav{padding:0 18px}}
/* AST Live final logo applied to the compact header mark */
.brand-mark{font-size:0;width:34px;height:38px;background:url('../assets/logo-f-icon.svg') center/contain no-repeat;display:inline-block;flex:0 0 auto}
/* Version publique : les blocs de transparence restent disponibles dans le dossier de cadrage, mais sont masqués sur l'accueil. */
.hero>.eyebrow,.hero+.notice{display:none}
.founders{padding:70px 0}.founder-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.founder-card{background:var(--pale);border-radius:20px;padding:28px;display:grid;grid-template-columns:130px 1fr;gap:22px;align-items:center}.founder-avatar{width:130px;height:130px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--blue),var(--sky));color:#fff;font-size:42px;font-weight:800}.founder-card h2{font-size:26px;margin:0 0 8px}.founder-card p{margin:5px 0;color:var(--gray)}.founder-card a{display:inline-block;margin-top:12px;color:var(--blue);font-weight:700}@media(max-width:800px){.founder-grid{grid-template-columns:1fr}.founder-card{grid-template-columns:90px 1fr}.founder-avatar{width:90px;height:90px;font-size:30px}}
.founder-card:nth-child(1) .founder-avatar{background-image:url('../assets/thomas-profile.png');background-size:cover;background-position:center;color:transparent}
.founder-card:nth-child(2) .founder-avatar{background-image:url('../assets/jason-profile.png');background-size:cover;background-position:center;color:transparent}
.hero-art{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:22px;align-items:stretch;background:linear-gradient(145deg,#eaf8fc,#b9e8f6)}.hero-art .bubble,.hero-art .wave,.hero-art span{display:none}.hero-art:before,.hero-art:after{content:'';display:flex;align-items:flex-end;justify-content:center;padding-bottom:18px;border-radius:18px;background-size:cover;background-position:center;color:#fff;font-weight:800;font-size:13px;letter-spacing:.08em;box-shadow:0 8px 18px #1b557733}.hero-art:before{content:'THOMAS';background-image:linear-gradient(0deg,#163b5cbb 0 22%,transparent 50%),url('../assets/thomas-profile.png')}.hero-art:after{content:'JASON';background-image:linear-gradient(0deg,#163b5cbb 0 22%,transparent 50%),url('../assets/jason-profile.png')}.future p{color:#fff}
.founders-home{padding:70px 0}.founders-home .founder-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.founders-home .founder-card{background:var(--pale);border-radius:20px;padding:24px;display:flex;gap:18px;align-items:center}.founders-home .founder-avatar{width:100px;height:100px;border-radius:50%;flex:0 0 auto;background-size:cover;background-position:center}.founders-home .founder-avatar.thomas{background-image:url('../assets/thomas-profile.png')}.founders-home .founder-avatar.jason{background-image:url('../assets/jason-profile.png')}.founders-home .founder-card h3{margin:0;color:var(--navy);font-size:21px}.founders-home .founder-card p{margin:4px 0;color:var(--gray);font-size:14px}.founders-home .founder-card a{color:var(--blue);font-weight:700;font-size:14px}@media(max-width:800px){.founders-home .founder-grid{grid-template-columns:1fr}.hero-art{min-height:300px}}
.founders .notice{display:none!important}
.hero-art{display:block;min-height:360px;background-image:url('../assets/ast-live-call-illustration.png');background-size:cover;background-position:center}.hero-art:before,.hero-art:after{display:none}
.hero-art{background-size:contain;background-repeat:no-repeat;background-position:center;background-color:#DFF5FD}
.form-note{background:#F3F9FC;color:#657783;border-radius:10px;padding:12px 14px;font-size:14px;font-weight:500}
.upload-box{margin-top:24px;padding:18px;background:#F3F9FC;border-radius:12px}.upload-box strong{display:block;color:var(--blue);margin-bottom:10px}.upload-box label{margin:14px 0!important}.upload-box input[type=file]{background:#fff;padding:10px}.upload-box small{display:block;color:var(--gray);font-size:12px}
.scale-descriptions{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin:5px 0 12px;color:var(--gray);font-size:11px;text-align:center}.scale span{cursor:help}
.selection-block{margin-top:30px;padding-top:22px;border-top:1px solid #d9e8ef}.selection-block h3{font-size:24px;color:var(--blue);margin:0 0 8px}.selection-block label{margin:20px 0!important}