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.start{background:#fff}.start__copy{max-width:830px;margin:clamp(78px,8vw,125px) 0 0 auto;font-size:clamp(20px,2.1vw,32px);letter-spacing:-.04em;line-height:1.3}.start__copy p{margin:0 0 26px}.start__counterpoint{font-weight:670}.start__copy strong{display:block;margin-top:clamp(55px,6vw,90px);padding-top:24px;border-top:1px solid var(--ink);font-size:clamp(30px,3.5vw,54px);font-weight:690;letter-spacing:-.055em;line-height:1.04}
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.reveal{opacity:0;transform:translateY(34px);transition:opacity 640ms var(--ease),transform 640ms var(--ease),clip-path 720ms var(--ease)}.reveal.is-visible{opacity:1;transform:none}.hero__title.reveal{opacity:1;transform:none}.hero__title span{clip-path:inset(0 0 100% 0);transform:translateY(38px)}.hero__title.is-visible span{animation:title-wipe 820ms var(--ease) both}.hero__title.is-visible span:nth-child(2){animation-delay:90ms}.hero-product.reveal{filter:blur(8px);clip-path:inset(0 0 100% 0 round 22px);transform:translateY(22px) scale(.94);transition:opacity 950ms var(--ease),transform 950ms var(--ease),filter 950ms var(--ease),clip-path 950ms var(--ease),box-shadow 950ms var(--ease)}.hero-product.reveal.is-visible{filter:none;clip-path:inset(0 round 22px);transform:translateY(var(--hero-y,0)) scale(1)}.question.reveal,.position h2.reveal,.human-gate__head.reveal,.product-stage.reveal{clip-path:inset(0 0 100% 0);transform:translateY(46px)}.question.reveal.is-visible,.position h2.reveal.is-visible,.human-gate__head.reveal.is-visible,.product-stage.reveal.is-visible{clip-path:inset(0);transform:none}.product-stage.reveal{transition-duration:900ms}@keyframes pulse{50%{opacity:.52;box-shadow:0 0 0 8px rgba(91,214,152,.03)}}@keyframes title-wipe{to{clip-path:inset(0);transform:none}}
@media(max-width:900px){.hero{min-height:auto;padding-top:62px}.hero__title{font-size:clamp(50px,10.2vw,76px)}.section__head,.human-gate__head{grid-template-columns:1fr}.section__head h2,.human-gate__head h2{margin-top:30px}.human-gate__head>p:last-child{grid-column:1}.problem__body{grid-template-columns:1fr;margin-top:65px}.pillars{grid-template-columns:1fr}.pillar{min-height:0;padding:34px 0 70px;border-right:0}.pillar__number{margin-bottom:68px}.product-stage__viewport{height:720px}.product-stage img{width:1160px;max-width:none;transform:translateX(-220px)}.product-stage.reveal.is-visible img{animation:none}}
@media(max-width:620px){.site-header{height:64px}.brand__by{display:none}.button--small{min-height:38px;padding:0 13px;font-size:11px}.hero{padding-top:48px}.hero__kicker{margin-top:20px}.hero__title{font-size:clamp(36px,9.45vw,39px);line-height:.89;letter-spacing:-.07em}.hero__principle{margin-top:27px}.hero-product{width:calc(100% + 24px);margin-left:-12px;padding:9px 9px 0;border-radius:16px}.hero-product__bar{height:35px}.hero-product__viewport{height:430px}.hero-product img{width:auto;max-width:none;height:100%;margin-inline:auto;transform:none}.section{padding-block:96px}.section__head h2,.position h2,.diagnostic h2{font-size:clamp(44px,12.5vw,58px)}.question{grid-template-columns:44px 1fr;font-size:29px}.position{min-height:0}.position__definition{margin-top:70px}.position__cadence{display:grid;margin-top:45px}.human-gate__head h2{font-size:41px}.product-stage{padding:9px 9px 0}.product-stage__bar{height:37px}.product-stage__viewport{height:620px;border-radius:8px 8px 0 0}.product-stage img{width:auto;max-width:none;height:100%;margin-inline:auto;transform:none}.start__copy{margin-top:68px}.site-footer{grid-template-columns:1fr}.site-footer>div:last-child{text-align:left}.site-footer em{margin-left:0}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}.reveal,.hero-product.reveal,.question.reveal,.position h2.reveal,.human-gate__head.reveal,.product-stage.reveal,.hero__title span{opacity:1;filter:none;clip-path:none;transform:none}.product-stage img,.hero-product img{transform:none}}

/* Direction finale : contrôle humain en situation */
.hero__title{max-width:1180px;font-size:clamp(72px,7.4vw,112px);font-weight:650;line-height:.92;letter-spacing:-.045em;text-wrap:balance}
.hero__title span{padding:0 .03em .18em;margin:0 -.03em -.18em;clip-path:inset(0 -.04em 100% -.04em)}
.hero__title.is-visible span{animation-duration:760ms}
@keyframes title-wipe{to{clip-path:inset(-.04em -.04em -.20em -.04em);transform:none}}
.hero__kicker{font-size:20px;line-height:1.35;letter-spacing:-.012em}.hero__principle{font-size:28px;line-height:1.15;letter-spacing:-.025em}.hero__intro{max-width:560px;font-size:19px;line-height:1.5;letter-spacing:-.012em}
.section__head h2,.position h2,.diagnostic h2{max-width:980px;font-size:clamp(52px,5.7vw,82px);font-weight:640;line-height:.96;letter-spacing:-.04em;text-wrap:balance;hyphens:none}
.question{font-size:clamp(32px,3.5vw,52px);line-height:1.06;letter-spacing:-.035em}
.hero-product,.product-stage{padding:0;border:1px solid rgba(17,19,24,.1);border-radius:18px;background:#fff;box-shadow:0 36px 110px rgba(17,19,24,.16)}
.hero-product__viewport,.product-stage__viewport{height:auto;border-radius:17px;overflow:hidden}.hero-product img,.product-stage img{width:100%;height:auto;transform:none}
.human-scene{position:relative;margin:0;background:#e7e4dd;overflow:hidden}.human-scene img{width:100%;height:72svh;min-height:620px;object-fit:cover;object-position:50% 46%}.human-scene figcaption{position:absolute;left:var(--gutter);right:var(--gutter);bottom:28px;display:flex;justify-content:space-between;gap:24px;padding-top:16px;border-top:1px solid rgba(255,255,255,.62);color:#fff;font-size:12px;text-shadow:0 1px 12px rgba(0,0,0,.3)}.human-scene figcaption strong{font-weight:650}
.human-gate{position:relative;margin-top:-64px;padding-top:clamp(145px,13vw,210px);z-index:2}.product-stage{width:calc(100% - 2 * var(--gutter));margin-inline:auto}.product-stage__viewport{height:auto}.trace-stage{display:grid;grid-template-columns:minmax(260px,.8fr) minmax(600px,1.8fr);gap:clamp(38px,6vw,90px);align-items:center;width:min(calc(100% - 2 * var(--gutter)),var(--max));margin:clamp(84px,9vw,140px) auto 0;padding-bottom:clamp(100px,11vw,170px)}.trace-stage h3{max-width:430px;margin:22px 0 18px;font-size:clamp(34px,3.7vw,58px);font-weight:640;line-height:1;letter-spacing:-.04em}.trace-stage div>p:last-child{max-width:420px;margin:0;color:#5c6066;font-size:16px;line-height:1.55}.trace-stage img{width:100%;border:1px solid rgba(17,19,24,.1);border-radius:16px;background:#fff;box-shadow:0 24px 70px rgba(17,19,24,.1)}
.pillars{background:#f4f2ed}.pillar h2{letter-spacing:-.045em}.pillar h3{letter-spacing:-.025em}
.diagnostic-form{display:grid;grid-template-columns:repeat(3,minmax(0,1fr)) auto;gap:12px;align-items:end;max-width:1250px;margin-top:42px}.diagnostic-form label{display:grid;gap:9px;color:rgba(255,255,255,.55);font-size:10px;font-weight:650;letter-spacing:.12em;text-transform:uppercase}.diagnostic-form input{width:100%;height:54px;padding:0 15px;border:1px solid rgba(255,255,255,.25);border-radius:10px;color:#fff;background:rgba(255,255,255,.06);font:500 15px/1 Inter}.diagnostic-form input:focus{outline:2px solid #d9ff58;outline-offset:2px}.diagnostic-form .button{white-space:nowrap}.diagnostic__status.is-success{color:#d9ff58}.diagnostic__status.is-error{color:#ff8a75}
@media(min-width:901px){.hero{display:grid;grid-template-columns:minmax(360px,5fr) minmax(640px,7fr);gap:clamp(36px,5vw,80px);align-items:center;min-height:calc(100svh - 72px);padding:52px var(--gutter) 72px}.hero__copy,.hero-product{width:auto;margin:0}.hero-product{align-self:center}.hero__title span{white-space:normal}.hero__title span:first-child{white-space:nowrap}}
@media(max-width:900px){.hero-product{width:100%;margin-top:50px}.human-scene img{height:62svh;min-height:520px}.trace-stage{grid-template-columns:1fr}.trace-stage img{order:-1}.diagnostic-form{grid-template-columns:1fr 1fr}.diagnostic-form .button{grid-column:1/-1}}
@media(max-width:620px){.hero{padding:44px 20px 76px}.hero__title{max-width:350px;font-size:clamp(34px,8.95vw,37px);line-height:.94;letter-spacing:-.035em;hyphens:none;word-break:normal;overflow-wrap:normal}.hero__title span{white-space:nowrap}.hero__kicker{font-size:18px;line-height:1.35}.hero__principle{font-size:22px;line-height:1.2;letter-spacing:-.02em}.hero__intro{max-width:34ch;font-size:17px;line-height:1.48}.section__head h2,.position h2,.diagnostic h2{max-width:350px;font-size:clamp(38px,10.8vw,46px);line-height:1;letter-spacing:-.032em}.question{font-size:28px;line-height:1.08;letter-spacing:-.025em}.hero-product__viewport,.product-stage__viewport{height:auto}.hero-product img,.product-stage img{width:100%;height:auto;margin:0;transform:none}.human-scene img{height:auto;min-height:0;object-fit:contain;object-position:center}.human-scene figcaption{position:static;display:grid;padding:16px 20px 20px;border-top:0;color:var(--ink);text-shadow:none;background:#fff}.human-gate{margin-top:0;padding-top:110px}.product-stage{width:calc(100% - 20px)}.trace-stage{width:calc(100% - 40px);gap:36px}.diagnostic-form{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){.hero__title span,.hero-product img,.product-stage img{animation:none!important;clip-path:none!important;transform:none!important}}
.brand img{width:22px;height:19px;align-self:center;color:var(--ink)}
.human-scene picture{position:relative;display:block;isolation:isolate}
.human-scene picture::after{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;background:linear-gradient(112deg,rgba(12,15,18,.24) 0%,rgba(12,15,18,.08) 42%,rgba(190,255,48,.10) 72%,rgba(12,15,18,.16) 100%);mix-blend-mode:multiply}
.human-scene img{filter:saturate(.74) contrast(1.08) brightness(.94) sepia(.035)}
.human-scene figcaption{z-index:2}
.question.reveal,.position h2.reveal,.human-gate__head.reveal,.product-stage.reveal{clip-path:none}
.product-stage.reveal{opacity:1;transform:none}
.product-stage.reveal img{opacity:0;filter:blur(6px);transform:scale(.985);transition:opacity 900ms var(--ease),filter 900ms var(--ease),transform 1100ms var(--ease)}
.product-stage.reveal.is-visible img{opacity:1;filter:none;transform:scale(1)}
@media(max-width:620px){.product-stage.reveal img{transform:scale(.99)}}
@media(prefers-reduced-motion:reduce){.product-stage.reveal img{opacity:1;filter:none;transform:none}}

/* Signe officiel Atlas en filigrane. */
.position__mark{right:-5%;bottom:-8%;width:min(64vw,1040px);height:auto;aspect-ratio:363.72 / 310.71;background:rgba(255,255,255,.045);-webkit-mask:url("../assets/brand/atlas-sign.svg") center / contain no-repeat;mask:url("../assets/brand/atlas-sign.svg") center / contain no-repeat;pointer-events:none}
@media(max-width:620px){.position__mark{width:105%;right:-28%;bottom:3%;background:rgba(255,255,255,.035)}}