:root{--brand: #2e4d5e;--brand-2: #2d5e50;--grad: linear-gradient(160deg, #2e4d5e 0%, #2d5e50 100%);--ink: #14262f;--ink-soft: #3d5560;--muted: #647b86;--surface: #fcfcfb;--tint: #f2f5f4;--card: #ffffff;--line: #e3e9ea;--onDark: #f4f7f6;--onDark-soft: #b9cbc9;--cat-temperature: #c77e2a;--cat-eau: #2e8fa3;--cat-vent: #368f74;--cat-sol: #7a462d;--risk-negligeable: #3a9e6f;--risk-faible: #d4c832;--risk-modere: #efa653;--risk-eleve: #c0473a;--risk-critique: #7b4f8e;--ssp26: #3a9e6f;--ssp45: #b87514;--ssp85: #c0473a;--radius: 14px;--radius-sm: 9px;--shadow-lg: 0 24px 64px -24px rgba(20, 38, 47, .35);--shadow-md: 0 12px 32px -16px rgba(20, 38, 47, .22);--nav-h: 72px}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 12px)}html,body{overflow-x:clip}body{margin:0;font-family:Poppins,system-ui,sans-serif;font-size:16px;line-height:1.65;color:var(--ink);background:var(--surface);-webkit-font-smoothing:antialiased}img{max-width:100%;height:auto;display:block}h1,h2,h3,h4{line-height:1.18;margin:0 0 .5em;font-weight:600;letter-spacing:-.015em}p{margin:0 0 1em}a{color:var(--brand-2)}.container{width:min(1160px,100% - 48px);margin-inline:auto}.section{padding:104px 0}.section--tinted{background:var(--tint)}.section--dark{background:var(--grad);color:var(--onDark)}h2{font-size:clamp(1.7rem,3.2vw,2.4rem);max-width:21em}h2 em,h1 em{font-style:normal;background:linear-gradient(120deg,#4fa88c,#52b9cc);-webkit-background-clip:text;background-clip:text;color:transparent}.section--dark h2 em{background:linear-gradient(120deg,#7fd6b8,#86cedb);-webkit-background-clip:text;background-clip:text}.section__sub{max-width:46em;color:var(--ink-soft);font-size:1.06rem;margin-bottom:48px}.section__sub--onDark{color:var(--onDark-soft)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:999px;font-weight:500;font-size:.95rem;text-decoration:none;transition:transform .18s ease,box-shadow .18s ease,background .18s ease;cursor:pointer}.btn:hover{transform:translateY(-1px)}.btn--primary{background:linear-gradient(120deg,#3a9e6f,#2d5e50);color:#fff}.btn--ghost{color:var(--onDark);border:1px solid rgba(244,247,246,.35)}.btn--ghost:hover{background:#f4f7f614}.btn--light{background:#ffffffeb;color:var(--brand)}.btn--xl{padding:16px 34px;font-size:1.05rem}.nav{position:fixed;inset:0 0 auto;z-index:50;transition:background .25s ease,box-shadow .25s ease}.nav.is-scrolled{background:#26424fe6;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 6px 24px -12px #0a161c80}.nav__inner{height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;gap:24px}.nav__actions .btn--light{white-space:nowrap}.nav__brand{flex:none}.nav__brand img{height:38px;width:auto}.nav__links{display:flex;gap:30px}.nav__links a{color:#f4f7f6d9;text-decoration:none;font-size:.92rem;font-weight:400;transition:color .15s ease}.nav__links a:hover{color:#fff}.nav__links a.is-current{color:#fff;font-weight:600}.nav__actions{display:flex;align-items:center;gap:14px}.lang{display:flex;align-items:center;gap:2px}.lang__opt{padding:5px 8px;border-radius:7px;color:var(--onDark-soft);font-size:.8rem;font-weight:600;letter-spacing:.04em;text-decoration:none;transition:background .18s ease,color .18s 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h1{font-size:clamp(2.1rem,4.4vw,3.3rem);font-weight:600;margin-bottom:22px}.hero__sub{color:var(--onDark-soft);font-size:1.08rem;max-width:34em;margin-bottom:34px}.hero__sub strong{color:var(--onDark);font-weight:600}.hero__ctas{display:flex;flex-wrap:wrap;gap:14px}.hero__visual{position:relative}.appframe{margin:0;border-radius:var(--radius);overflow:hidden;background:#223a46;box-shadow:var(--shadow-lg);border:1px solid rgba(255,255,255,.12)}.appframe__bar{display:flex;align-items:center;gap:6px;padding:7px 12px;background:#101e26d9}.appframe__bar i{width:8px;height:8px;border-radius:50%;background:#ffffff38}.appframe img{width:100%;height:auto}.hero__card{position:absolute;background:var(--card);color:var(--ink);border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:18px 20px}.hero__card--gauge{right:-18px;bottom:-34px;width:190px;text-align:center}.hero__cardTitle{font-size:.72rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:10px}.hero__card--pill{left:-14px;bottom:-24px;display:flex;align-items:center;gap:9px;padding:10px 18px;border-radius:999px;font-size:.82rem;color:var(--ink-soft)}.hero__card--pill strong{color:var(--ink)}.hero__pillDot{width:9px;height:9px;border-radius:50%;background:var(--risk-modere);box-shadow:0 0 0 4px #efa65340}.gauge{position:relative;width:116px;margin:0 auto 10px}.gauge svg{width:100%;transform:rotate(-90deg)}.gauge__track,.gauge__value{fill:none;stroke-width:10;stroke-linecap:round}.gauge__track{stroke:var(--tint)}.gauge__value{stroke:var(--risk-eleve);stroke-dasharray:314.16;stroke-dashoffset:314.16;transition:stroke-dashoffset 1.4s cubic-bezier(.22,1,.36,1)}.gauge__label{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;gap:3px;flex-direction:column}.gauge__label strong{font-size:1.7rem;line-height:1}.gauge__label span{font-size:.68rem;color:var(--muted)}.badge{display:inline-block;margin:0;padding:4px 16px;border-radius:999px;font-size:.8rem;font-weight:600;color:#fff}.badge--eleve{background:var(--risk-eleve)}.marquee{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:40px 0 18px;overflow:hidden}.marquee__inner{display:flex;align-items:center;gap:36px}.marquee__title{flex:none;max-width:15em;margin:0;font-size:.78rem;font-weight:500;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}.marquee__viewport{position:relative;flex:1;min-width:0;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 48px,#000 calc(100% - 48px),transparent);mask-image:linear-gradient(90deg,transparent,#000 48px,#000 calc(100% - 48px),transparent)}.marquee__track{display:flex;gap:64px;width:max-content;animation:marquee-scroll 34s linear infinite}.marquee__group{display:flex;align-items:center;gap:64px;margin:0;padding:0 0 28px;list-style:none}.marquee__group li{position:relative;display:flex;align-items:center;justify-content:center;height:78px}.marquee__group img{display:block;height:auto;width:auto;max-height:78px;max-width:214px;object-fit:contain;filter:grayscale(1);opacity:.75;transition:filter .2s ease,opacity .2s ease}.marquee__group li:hover img{filter:none;opacity:1}.marquee__name{position:absolute;top:calc(100% + 6px);left:50%;transform:translate(-50%);white-space:nowrap;font-size:.76rem;letter-spacing:.03em;color:var(--ink-soft);opacity:0;transition:opacity .18s ease;pointer-events:none}.marquee__group li:hover .marquee__name{opacity:1}@keyframes marquee-scroll{0%{transform:translate(0)}to{transform:translate(-33.3333%)}}.timeline{margin:0}.timeline__plot{position:relative;container-type:inline-size}.timeline__legend{display:flex;flex-wrap:wrap;justify-content:center;gap:6px 20px;margin:4px 0 0;padding:0;list-style:none}.timeline__legend li{display:flex;align-items:center;gap:7px;color:var(--ink-soft);font-size:.72rem;font-weight:500}.timeline__swatch{flex:none;width:9px;height:9px;border-radius:50%}.timeline__plot svg{display:block;width:100%;height:auto}.timeline__tip{position:absolute;z-index:2;min-width:160px;padding:8px 11px 7px;white-space:nowrap;border-radius:var(--radius-sm);background:var(--brand);color:var(--onDark);font-size:.74rem;line-height:1.35;pointer-events:none;transform:translate(-50%,calc(-100% - 14px));box-shadow:0 10px 26px -12px #14262fb3}.timeline__tip[hidden]{display:none}.timeline__tip.is-below{transform:translate(-50%,14px)}.timeline__tip.is-start{transform:translateY(calc(-100% - 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var(--line);border-radius:999px;background:var(--card);color:var(--ink-soft);font-size:.72rem;font-weight:500}.usages{display:grid;grid-template-columns:minmax(0,300px) minmax(0,1fr);gap:26px;margin-top:34px}.usages__list{display:flex;flex-direction:column;gap:6px}.usages__tab{display:flex;align-items:center;gap:13px;width:100%;padding:12px 15px;border:1px solid transparent;border-radius:var(--radius-sm);background:transparent;color:var(--onDark-soft);font:inherit;font-size:.95rem;line-height:1.3;text-align:left;cursor:pointer;transition:background .18s ease,color .18s ease,border-color .18s ease}.usages__tab:hover{background:#ffffff12;color:var(--onDark)}.usages__tab[aria-selected=true]{background:#ffffff1f;border-color:#ffffff3d;color:var(--onDark);font-weight:600}.usages__tab:focus-visible{outline:2px solid 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span{font-size:.84rem;color:var(--muted)}.section__lead{margin:16px 0 0;color:var(--ink-soft);font-size:1.02rem}.steps__list{list-style:none;width:min(1060px,100%);margin:34px auto 0;padding:0;display:flex;flex-direction:column;gap:22px}.step{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,430px);gap:48px;align-items:center;padding:30px 36px;border:1px solid var(--line);border-radius:var(--radius);background:var(--card);transition:box-shadow .2s ease}.step:hover{box-shadow:var(--shadow-md)}.step--reverse{grid-template-columns:minmax(0,430px) minmax(0,1fr)}.step--reverse .step__copy{order:2}.step--reverse .step__viz{order:1}.step__num{display:inline-block;font-size:.9rem;font-weight:600;color:var(--brand-2);border:1px solid currentColor;border-radius:999px;padding:3px 14px;margin-bottom:16px}.step h3{font-size:1.32rem}.step p{margin:0;color:var(--ink-soft)}.appframe--step{max-width:372px;margin-inline:auto;background:#eef2f2;border:1px solid var(--line)}.appframe--step 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