:root{--bg:#f6f4ef;--ink:#171a1f;--muted:#60656d;--line:#d9d6cf;--panel:#fff;--accent:#1e4a5a;--radius:18px;--max:1120px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
a{color:inherit}.shell{width:min(calc(100% - 40px),var(--max));margin-inline:auto}.header{height:82px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}
.brand{font-weight:800;text-decoration:none;letter-spacing:-.02em}.header nav{display:flex;gap:22px}.header nav a{text-decoration:none;color:var(--muted)}
.hero{padding:96px 0 62px;max-width:900px}.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:.78rem;font-weight:800;color:var(--accent)}h1{font-size:clamp(2.5rem,7vw,5.8rem);line-height:.98;letter-spacing:-.055em;margin:.2em 0}
h2{font-size:clamp(2rem,4vw,3.6rem);line-height:1.02;letter-spacing:-.04em;margin:.2em 0 .6em}h3{line-height:1.2;letter-spacing:-.02em}.lead{font-size:1.2rem;color:var(--muted);max-width:760px}
.button{display:inline-flex;margin-top:20px;padding:14px 20px;background:var(--ink);color:#fff;text-decoration:none;border:0;border-radius:999px;font-weight:800;cursor:pointer}.button.secondary{background:transparent;color:var(--ink);border:1px solid var(--ink)}
.proof{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.proof div{padding:24px;background:var(--panel)}.proof strong,.proof span{display:block}.proof span{color:var(--muted);margin-top:6px}
.resources{padding:90px 0}.section-head{max-width:720px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px;min-height:230px}.card p{color:var(--muted)}.tag{font-size:.78rem;font-weight:800;color:var(--accent)}
.diagnostic-teaser{display:flex;align-items:end;justify-content:space-between;gap:40px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:38px;margin-bottom:80px}.diagnostic-teaser>div{max-width:720px}.footer{display:flex;justify-content:space-between;padding:34px 0;border-top:1px solid var(--line);color:var(--muted)}
.form-shell{max-width:800px;padding:70px 0}form{display:grid;gap:22px}fieldset{border:1px solid var(--line);border-radius:var(--radius);padding:26px;background:var(--panel);display:grid;gap:16px}legend{font-weight:800;padding:0 8px}
label{display:grid;gap:7px;font-weight:700}input,select,textarea{width:100%;padding:13px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);font:inherit}.consent{grid-template-columns:auto 1fr;align-items:start;font-weight:500}.consent input{width:auto;margin-top:6px}.hp{position:absolute;left:-10000px}.prose{max-width:800px;padding:70px 0}
.family-magazine{--accent:#7b3d25}.family-expert{--accent:#194c3a}.family-observatoire{--accent:#274f73}.family-diagnostic{--accent:#6c3d69}.family-toolbox{--accent:#5c4a12}
.family-magazine .hero{border-left:6px solid var(--accent);padding-left:32px}.family-observatoire .grid{grid-template-columns:repeat(2,1fr)}.family-diagnostic .card{border-radius:6px}.family-toolbox .card{box-shadow:0 8px 30px rgba(0,0,0,.04)}
@media(max-width:760px){.header nav{gap:12px}.hero{padding-top:60px}.proof,.grid{grid-template-columns:1fr!important}.diagnostic-teaser{align-items:flex-start;flex-direction:column}.footer{gap:15px;flex-direction:column}}

.magazine-feature{display:grid;grid-template-columns:minmax(0,2fr) minmax(240px,1fr);gap:24px;margin-bottom:86px}.feature-story,.magazine-side{background:var(--panel);border:1px solid var(--line);padding:32px}.feature-story h2{font-size:clamp(2rem,5vw,4.2rem)}.magazine-side h3{border-top:1px solid var(--line);padding-top:16px}
.method-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:10px auto 40px}.method-steps article{background:var(--panel);border:1px solid var(--line);padding:26px;border-radius:var(--radius)}.method-steps span{font-weight:900;color:var(--accent)}
.metric-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-bottom:80px}.metric-strip div{background:var(--panel);padding:24px}.metric-strip strong,.metric-strip span{display:block}.metric-strip span{margin-top:8px;color:var(--muted)}
.observatory-layout{display:grid;grid-template-columns:minmax(260px,.8fr) minmax(0,1.2fr);gap:50px;align-items:start;margin-bottom:86px}.study-list{display:grid;gap:12px}.study-list .card{min-height:auto}
.symptom-board{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:10px auto 42px}.symptom-board article{border:1px solid var(--line);background:var(--panel);padding:28px}.diagnostic-flow{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);margin:0 auto 48px}.diagnostic-flow div{background:var(--ink);color:#fff;padding:26px}.diagnostic-flow span,.diagnostic-flow strong{display:block}.diagnostic-flow span{opacity:.6;font-size:.8rem;text-transform:uppercase;letter-spacing:.1em}
.toolbox-banner{display:flex;justify-content:space-between;gap:20px;border-block:1px solid var(--line);padding:22px 0}.tool-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.tool-grid .card{min-height:210px}.resources.compact{padding-top:54px}
@media(max-width:760px){.magazine-feature,.method-steps,.metric-strip,.observatory-layout,.symptom-board,.diagnostic-flow,.tool-grid{grid-template-columns:1fr}.toolbox-banner{flex-direction:column}}