/* Human Earth Lab v39 — editorial hierarchy, multilingual consistency and research navigation */
:root{--hel39-ink:#17211d;--hel39-muted:#65716b;--hel39-line:rgba(23,33,29,.12);--hel39-soft:#f3f6f2;--hel39-warm:#f6f2ea;--hel39-accent:#2f6651;--hel39-max:1240px}
body[data-hel-version="39"]{overflow-x:hidden}
body[data-hel-version="39"] .container{max-width:var(--hel39-max)}
.hel-v39-gateway{padding:clamp(3rem,6vw,6rem) 0;background:linear-gradient(180deg,#fff 0%,var(--hel39-soft) 100%);border-top:1px solid var(--hel39-line);border-bottom:1px solid var(--hel39-line)}
.hel-v39-gateway-head{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(280px,.85fr);gap:3rem;align-items:end;margin-bottom:2rem}.hel-v39-gateway-head h2{font-size:clamp(2rem,4vw,4.2rem);line-height:1.02;letter-spacing:-.045em;margin:.25rem 0 0}.hel-v39-gateway-head>p{font-size:1.08rem;color:var(--hel39-muted);max-width:48rem;margin:0}
.hel-v39-gateway-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--hel39-line);border:1px solid var(--hel39-line);border-radius:22px;overflow:hidden}.hel-v39-gateway-card{background:#fff;color:var(--hel39-ink);padding:1.5rem;min-height:260px;text-decoration:none;display:flex;flex-direction:column;transition:transform .2s ease,background .2s ease}.hel-v39-gateway-card:hover{background:#f9fbf8;color:var(--hel39-ink)}.hel-v39-gateway-icon{font-variant-numeric:tabular-nums;color:var(--hel39-accent);font-weight:700;font-size:.82rem;letter-spacing:.08em}.hel-v39-gateway-card strong{font-size:1.28rem;margin:2.25rem 0 .75rem}.hel-v39-gateway-card p{color:var(--hel39-muted);line-height:1.55;margin:0 0 1.5rem}.hel-v39-arrow{margin-top:auto;font-weight:700;font-size:.92rem}.hel-v39-facts{display:flex;gap:.65rem;flex-wrap:wrap;margin-top:1.25rem}.hel-v39-facts span{border:1px solid var(--hel39-line);background:#fff;border-radius:999px;padding:.48rem .78rem;font-size:.82rem;color:#4f5d56}
.hel-v39-secondary-section{background:#fff}.hel-v39-secondary-section .home-question-card{border-top:2px solid var(--hel39-line)}
.home-proof-grid.hel-v39-proof-grid{gap:0!important;border:1px solid var(--hel39-line);border-radius:18px;overflow:hidden}.home-proof-grid.hel-v39-proof-grid .home-proof-item{border-radius:0!important;border:0!important;border-inline-end:1px solid var(--hel39-line)}.home-proof-grid.hel-v39-proof-grid .home-proof-item:last-child{border-inline-end:0}
.hel-v39-site-tools{padding:1rem 0;background:#fff;border-bottom:1px solid var(--hel39-line)}.hel-v39-site-tools .container{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.hel-v39-site-tools a{display:flex;flex-direction:column;text-decoration:none;color:var(--hel39-ink);border:1px solid var(--hel39-line);border-radius:16px;padding:1.05rem 1.2rem;background:#fff}.hel-v39-site-tools a strong{font-size:1rem}.hel-v39-site-tools a span{font-size:.88rem;color:var(--hel39-muted);margin-top:.25rem}
.hel-sites-page main .grid-2{gap:1.5rem!important}.hel-v39-site-card{padding:0!important;overflow:hidden;border:1px solid var(--hel39-line)!important;border-radius:22px!important;background:#fff!important;box-shadow:none!important;display:flex;flex-direction:column}.hel-v39-site-card>*:not(.hel-v39-site-media){margin-inline:1.35rem}.hel-v39-site-card>.meta{margin-top:1.25rem}.hel-v39-site-media{margin:0!important;aspect-ratio:16/8.6;background:#e9eee9;overflow:hidden}.hel-v39-site-media img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .45s ease}.hel-v39-site-card:hover .hel-v39-site-media img{transform:scale(1.018)}.hel-v39-site-facts{margin-top:.85rem;padding-top:.85rem;border-top:1px solid var(--hel39-line)}.hel-v39-site-facts p{margin:.25rem 0;font-size:.88rem;line-height:1.45;color:#56635d}.hel-v39-site-facts strong{color:var(--hel39-ink)}.hel-v39-site-methods{display:flex;gap:.35rem;flex-wrap:wrap;margin-top:.8rem}.hel-v39-site-methods span{font-size:.74rem;border:1px solid var(--hel39-line);border-radius:999px;padding:.32rem .55rem;color:#5d6963}.hel-v39-site-card .card-link{margin-top:1rem!important;margin-bottom:1.35rem!important;align-self:flex-start}
.hel-v36-method-grid{gap:1.25rem!important}.hel-v36-method-card{overflow:hidden;position:relative}.hel-v39-method-visual{margin:.75rem -1.25rem 1rem;position:relative;aspect-ratio:16/8.5;background:#edf1ec;overflow:hidden;border-block:1px solid var(--hel39-line)}.hel-v39-method-visual img{width:100%;height:100%;object-fit:cover;display:block}.hel-v39-method-visual span{position:absolute;inset-inline-start:.75rem;bottom:.65rem;background:rgba(255,255,255,.9);backdrop-filter:blur(8px);border-radius:999px;padding:.35rem .55rem;font-size:.68rem;font-weight:700}.hel-v39-method-note{font-size:.78rem;color:var(--hel39-muted);margin:.8rem 0 .15rem}
.hel-v39-research-nav{padding:1.25rem 0 2rem;background:#fff;border-bottom:1px solid var(--hel39-line)}.hel-v39-research-nav .container{display:grid;grid-template-columns:minmax(0,1fr) minmax(330px,.9fr);gap:2rem;align-items:end}.hel-v39-research-nav h2{font-size:clamp(1.75rem,3vw,3rem);margin:.2rem 0 .55rem}.hel-v39-research-nav p{color:var(--hel39-muted);margin:0;max-width:52rem}.hel-v39-research-nav nav{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--hel39-line);border-radius:16px;overflow:hidden}.hel-v39-research-nav nav a{padding:.9rem 1rem;text-decoration:none;color:var(--hel39-ink);display:flex;justify-content:space-between;border-bottom:1px solid var(--hel39-line)}.hel-v39-research-nav nav a:nth-child(odd){border-inline-end:1px solid var(--hel39-line)}.hel-v39-research-nav nav a:last-child{border-bottom:0}
.hel-v39-compare-guide{padding:1rem 0;background:var(--hel39-warm);border-block:1px solid rgba(93,73,37,.12)}.hel-v39-compare-guide .container{display:grid;grid-template-columns:auto 1fr auto;gap:1rem;align-items:center}.hel-v39-compare-guide strong{white-space:nowrap}.hel-v39-compare-guide p{margin:0;color:#685f50;font-size:.9rem}.hel-v39-compare-guide a{font-weight:700;text-decoration:none;white-space:nowrap}.hel-v36-compare-wrap{border-radius:18px!important;box-shadow:0 10px 30px rgba(20,30,24,.05)}
.hel-v39-data-integrity{display:flex;justify-content:space-between;gap:1.5rem;align-items:center;padding:1rem 1.15rem;margin:0 0 1rem;border:1px solid var(--hel39-line);background:var(--hel39-soft);border-radius:16px}.hel-v39-data-integrity p{margin:.2rem 0 0;color:var(--hel39-muted);font-size:.88rem}.hel-v39-data-integrity>span{white-space:nowrap;font-size:.72rem;letter-spacing:.08em;font-weight:700;color:var(--hel39-accent)}
.hel-v39-app-status{padding:1rem 0;background:#fff;border-bottom:1px solid var(--hel39-line)}.hel-v39-app-status .container{display:grid;grid-template-columns:.8fr .8fr 1.6fr;gap:1rem}.hel-v39-app-status .container>div,.hel-v39-app-status aside{border:1px solid var(--hel39-line);border-radius:16px;padding:1rem 1.1rem}.hel-v39-app-status p{font-size:.85rem;color:var(--hel39-muted);margin:.25rem 0 0}.hel-v39-status-dot{width:.55rem;height:.55rem;border-radius:50%;display:inline-block;background:#a1aaa5;margin-inline-end:.4rem}.hel-v39-status-dot.is-live{background:#2b7d59}.hel-app-card[data-app-stage="development"]{background:linear-gradient(180deg,#fff,#fafbf9)}.hel-app-card[data-app-stage="development"] .hel-apps-status{opacity:.72}
html[dir="rtl"] .hel-v39-gateway-head,html[dir="rtl"] .hel-v39-research-nav .container{text-align:right}
@media(max-width:1000px){.hel-v39-gateway-grid{grid-template-columns:1fr 1fr}.hel-v39-gateway-head,.hel-v39-research-nav .container{grid-template-columns:1fr}.hel-v39-app-status .container{grid-template-columns:1fr 1fr}.hel-v39-app-status aside{grid-column:1/-1}}
@media(max-width:720px){.hel-v39-gateway{padding:3rem 0}.hel-v39-gateway-head{gap:1rem}.hel-v39-gateway-grid{grid-template-columns:1fr}.hel-v39-gateway-card{min-height:190px}.hel-v39-gateway-card strong{margin-top:1.3rem}.home-proof-grid.hel-v39-proof-grid{display:grid!important;grid-template-columns:1fr 1fr}.home-proof-grid.hel-v39-proof-grid .home-proof-item{border-bottom:1px solid var(--hel39-line)}.hel-v39-site-tools .container,.hel-v39-app-status .container{grid-template-columns:1fr}.hel-v39-app-status aside{grid-column:auto}.hel-v39-compare-guide .container{grid-template-columns:1fr}.hel-v39-research-nav nav{grid-template-columns:1fr}.hel-v39-research-nav nav a:nth-child(odd){border-inline-end:0}.hel-v39-data-integrity{align-items:flex-start;flex-direction:column}.hel-v39-method-visual{aspect-ratio:16/9}}