@font-face{font-family:"Poppins";font-style:normal;font-weight:700;font-display:swap;src:url("assets/poppins-700.ttf") format("truetype")}
@font-face{font-family:"Poppins";font-style:normal;font-weight:600;font-display:swap;src:url("assets/poppins-600.ttf") format("truetype")}
@font-face{font-family:"DM Sans";font-style:normal;font-weight:400;font-display:swap;src:url("assets/dm-sans-400.ttf") format("truetype")}
:root{--background:#fff;--foreground:#191919;--red:#E40D1A;--blue:#1D6EE8;--muted:#F2F2F2;--border:#ddd;--font-sans:"DM Sans";--font-heading:"Poppins";color-scheme:light}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#e9e9e9;color:var(--foreground);font-family:"DM Sans";font-weight:400}
.page{width:1440px;margin:0 auto;background:#fff;overflow:hidden}
a{color:inherit;text-decoration:none}
a:focus-visible{outline:3px solid var(--blue);outline-offset:6px}
.masthead{height:120px;margin:0 80px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border)}
.brand{display:block;width:270px;height:90px;object-fit:contain}
nav{display:flex;align-items:center;gap:44px}
.nav-link{font-size:15px}
.button{display:inline-flex;align-items:center;justify-content:center;min-width:214px;min-height:64px;padding:0 30px;background:var(--red);color:#fff;font-family:"Poppins";font-weight:600;font-size:16px;letter-spacing:.3px;border:0;transition:background .2s,transform .2s}
.button:hover{background:#191919;transform:translateY(-2px)}
.button-small{min-height:50px;min-width:176px;font-size:14px}
.hero{position:relative;min-height:855px;padding:64px 80px 66px;isolation:isolate}
.hero-copy{position:relative;z-index:2;width:820px}
.eyebrow{display:flex;align-items:center;gap:12px;margin:0 0 28px;font-size:14px;letter-spacing:1.35px}
.red-dot{width:8px;height:8px;background:var(--red);display:inline-block;border-radius:50%}
h1,h2,h3,p{margin-top:0}
h1,h2,h3{font-family:"Poppins";font-weight:700}
h1{margin-bottom:30px;font-size:58px;line-height:1.105;letter-spacing:-2.15px}
.red{color:var(--red)}.blue{color:var(--blue)}
.hero-subtitle{font-size:19px;line-height:1.65;margin-bottom:30px;width:695px}
strong{font-family:"Poppins";font-weight:600;font-size:.91em}
.family-line{display:inline-block;margin-top:10px}
.hero-actions{display:flex;align-items:center;gap:32px}
.text-link{font-size:16px;border-bottom:1px solid #191919;padding:7px 0}
.hero-art{position:absolute;z-index:1;right:0;top:0;width:560px;height:100%;overflow:hidden}
.hero-x{position:absolute;height:780px;width:2340px;max-width:none;left:-850px;top:30px}
.hero-person{position:absolute;width:470px;height:auto;right:35px;bottom:-15px}
.photo-credit{position:absolute;right:56px;top:52px;writing-mode:vertical-rl;font-family:"Poppins";font-size:12px;font-weight:600;letter-spacing:2px}
.proof{display:flex;align-items:center;gap:24px;margin:0 80px;padding:24px 0;border-top:1px solid #191919;border-bottom:1px solid #191919}
.proof p{font-size:17px;margin:0}
.proof-mark{display:flex;align-items:center;justify-content:center;width:40px;height:40px;font-size:29px;color:var(--red);flex:none}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}}

.system{padding:112px 80px 96px;scroll-margin-top:30px}
.section-intro{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:58px}
h2{font-size:41px;line-height:1.22;letter-spacing:-1.35px;margin:0}
.section-arrow{font-size:90px;line-height:1;color:var(--red);padding:0 12px 8px 32px}
.promise-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--border);border-left:1px solid var(--border)}
.promise,.welcome{padding:36px 34px 40px;border-right:1px solid var(--border);border-bottom:1px solid var(--border);min-height:448px}
.promise:nth-child(2),.promise:nth-child(4){background:var(--muted)}
.card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:36px}
.number{font-family:"Poppins";font-size:45px;font-weight:600;line-height:1;letter-spacing:-2px;color:#8a8a8a}
.card-top svg{color:var(--red)}
.promise h3{font-size:16px;line-height:1.5;letter-spacing:.4px;margin:0 0 16px}
.card-lead{font-family:"Poppins";font-weight:600;font-size:25px;line-height:1.3;letter-spacing:-.6px;margin:0 0 22px}
.card-body{font-size:17px;line-height:1.7;margin:0;color:#454545}
.welcome{background:var(--foreground);color:#fff;display:flex;flex-direction:column;align-items:flex-start;scroll-margin-top:40px}
.welcome-arrow{margin-bottom:26px;color:var(--red)}
.welcome-title{font-family:"Poppins";font-size:30px;font-weight:600;line-height:1.28;letter-spacing:-.7px;margin-bottom:22px}
.welcome-copy{font-size:18px;margin:0 0 30px}
.welcome .button{margin-top:auto}
.welcome .button:hover{background:#fff;color:#191919}
.footer{margin:0 80px;padding:22px 0 38px;border-top:1px solid #191919;display:flex;align-items:center;justify-content:space-between}
.footer-logo{width:240px;height:80px;object-fit:contain}
.back-top{font-size:28px;width:48px;height:48px;display:flex;align-items:center;justify-content:center;border:1px solid #ccc}

/* Itération 02 : le header conserve son style ; mise en page fluide. */
.page{width:100%;max-width:1440px;overflow:clip}
.masthead{margin-inline:clamp(24px,5.55vw,80px)}
.hero{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(0,1fr);gap:24px;min-height:790px;padding:60px clamp(24px,5.55vw,80px)}
.hero-copy{width:auto;align-self:center}
h1{font-size:clamp(36px,4.03vw,58px)}
.hero-subtitle{width:auto;max-width:695px}
.hero-art{position:relative;right:auto;top:auto;width:100%;height:auto;min-width:0;display:flex;align-items:center;overflow:visible}
.hero-x{width:235%;height:auto;left:-67.5%;top:50%;transform:translateY(-50%);max-width:none}
.hero-person{position:relative;right:auto;bottom:auto;width:100%;height:720px;object-fit:contain}
.story{display:grid;grid-template-columns:1fr 1.1fr;gap:64px;margin:0 clamp(24px,5.55vw,80px);padding:70px 0 76px;border-top:1px solid #191919}
.story .eyebrow{color:#666;font-size:13px;letter-spacing:1.6px}
.story h2{font-size:34px;line-height:1.25;letter-spacing:-.8px}
.story-copy p{font-size:18px;line-height:1.75;margin:0 0 18px}
.story-copy p:last-child{margin:0}
.authority{background:#191919;color:white;padding:66px clamp(24px,5.55vw,80px) 70px}
.authority-heading{text-align:center;margin-bottom:42px}
.authority-heading .eyebrow{display:block;color:#fff;margin-bottom:18px;font-size:13px}
.authority h2{font-size:31px;line-height:1.3;letter-spacing:-.5px}
.authority-heading>p:last-child{font-size:17px;color:#ccc;margin:18px 0 0}
.authority-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:70px;align-items:center;max-width:1130px;margin:auto}
figure{margin:0}
.books{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.books figure{text-align:center}
.books img{width:100%;height:190px;object-fit:contain;display:block;margin-bottom:20px}
.books figcaption strong{font-size:14px;line-height:1.5;display:block}
.books figcaption span{display:block;font-size:14px;color:#c8c8c8;margin-top:8px}
.collaboration>figcaption{font-family:"Poppins";font-size:17px;font-weight:600;margin-bottom:16px}
.collaboration>figcaption strong{color:#fff;font-size:inherit}
.collaboration>img{width:100%;aspect-ratio:1.55;object-fit:cover;display:block}
.collaboration>p{font-size:14px;line-height:1.7;color:#ccc;margin:16px 0 0}
.system{padding:86px clamp(24px,5.55vw,80px)}
.footer{margin-inline:clamp(24px,5.55vw,80px)}
@media(max-width:1150px){
 h1 br{display:none}h1 br:after{content:" "}
 .hero-subtitle{font-size:18px}.hero-person{height:610px}
 .hero{min-height:700px}.story{gap:36px}.story h2{font-size:29px}
 .authority-grid{gap:32px}.books{gap:16px}.books img{height:160px}
 .promise,.welcome{padding:28px 24px}.card-lead{font-size:22px}
 h2{font-size:34px}.section-arrow{font-size:60px}
}
@media(max-width:850px){
 .masthead{height:100px}.brand{width:230px;height:77px}nav{gap:22px}
 .nav-link{display:none}
 .hero{grid-template-columns:1fr;gap:24px;padding-top:42px;padding-bottom:40px}
 .hero-copy{max-width:680px}.hero h1{font-size:44px;line-height:1.16}
 .hero-art{width:min(100%,470px);margin:0 auto;order:2}
 .hero-person{height:560px}
 .story{grid-template-columns:1fr;gap:28px;padding:50px 0}
 .story h2{font-size:32px}.story h2 br{display:none}
 .authority-grid{grid-template-columns:1fr;gap:40px}
 .books{max-width:600px;width:100%;margin:auto}.books img{height:190px}
 .collaboration{max-width:500px;margin:auto}
 .promise-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .section-intro h2 br{display:none}.section-arrow{display:none}
 .promise,.welcome{min-height:0}
 .welcome .button{margin-top:26px}
}
@media(max-width:540px){
 .masthead{margin-inline:20px;height:88px;gap:14px}
 .brand{width:175px;height:auto}
 .masthead .button{min-width:0;min-height:44px;font-size:11px;padding:0 12px}
 .hero{padding:34px 24px}.eyebrow{font-size:12px;letter-spacing:.9px;margin-bottom:22px}
 .hero h1{font-size:30px;letter-spacing:-.8px;line-height:1.18;margin-bottom:24px}
 .hero-subtitle{font-size:17px;line-height:1.65}
 .hero-subtitle br{display:none}
 .hero-actions{display:flex;flex-direction:column;align-items:stretch;gap:16px}
 .hero-actions .button{width:100%}.text-link{align-self:center}
 .hero-art{max-width:330px}.hero-person{height:440px}
 .story{margin-inline:24px;padding:42px 0;gap:24px}
 .story h2{font-size:27px}.story-copy p{font-size:17px}
 .authority{padding:44px 24px}.authority h2{font-size:24px}
 .authority-heading>p:last-child{font-size:16px}
 .books{gap:12px}.books img{height:120px;margin-bottom:14px}
 .books figcaption strong,.books figcaption span{font-size:12px}
 .collaboration>figcaption{font-size:16px}
 .system{padding:48px 24px}.section-intro{margin-bottom:30px}
 .section-intro h2{font-size:27px;letter-spacing:-.6px;line-height:1.25}
 .promise-grid{grid-template-columns:1fr}
 .promise,.welcome{padding:28px}.card-top{margin-bottom:25px}
 .welcome-title{font-size:27px}.welcome .button{width:100%}
 .footer{margin-inline:24px}.footer-logo{width:210px}
}

/* Itération 03 : composition, vidéo et paroles de membres. */
.hero{grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:30px;min-height:750px}
.hero-art{align-self:center;height:610px}
.hero-x{width:250%;left:-75%;top:51%;}
.hero-person{height:580px;align-self:flex-end;object-position:center bottom}
.story{grid-template-columns:1fr 1fr;gap:36px 52px;padding:72px 0 80px}
.story-heading{grid-column:1/-1;max-width:900px}
.story h2{font-size:36px;line-height:1.23}.story h2 br{display:none}
.story-video{align-self:stretch;background:#191919;min-height:360px;position:relative;overflow:hidden}
.story-video video{display:block;width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.story-copy p{font-size:17px;line-height:1.75}
.testimonials{background:#f2f2f2;padding:52px clamp(24px,5.55vw,80px) 60px}
.testimonials-top{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:28px}
.testimonials-top .eyebrow{margin:0}.testimonials-top .text-link{font-size:14px}
.testimonials-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:36px}
.testimonial{display:flex;flex-direction:column;border-top:1px solid #c9c9c9;padding-top:20px}
.quote-mark{color:var(--red);font:700 54px/1 "Poppins";height:38px}
.testimonial blockquote{margin:8px 0 26px;font:600 20px/1.5 "Poppins";letter-spacing:-.3px}
.testimonial figcaption{display:flex;align-items:center;gap:14px;margin-top:auto}
.testimonial img{width:58px;height:58px;object-fit:cover;border-radius:50%;flex-shrink:0}
.testimonial strong{display:block;font-size:14px}.testimonial figcaption span{display:block;font-size:12px;line-height:1.5;margin-top:3px;color:#555}
.testimonial figcaption a{display:inline-block;font-size:12px;margin-top:8px;text-decoration:underline;text-underline-offset:3px}
@media(max-width:1150px){.hero-art{height:520px}.hero-person{height:500px}.story{gap:28px}.story h2{font-size:32px}.testimonials-grid{gap:24px}.testimonial blockquote{font-size:18px}}
@media(max-width:850px){.hero{grid-template-columns:1fr}.hero-art{width:min(100%,540px);height:540px}.hero-person{height:520px}.story{grid-template-columns:1fr}.story-video{min-height:0;aspect-ratio:16/10}.testimonials-grid{grid-template-columns:1fr}.testimonial blockquote{font-size:21px}.testimonial{padding-bottom:16px}.story-copy{max-width:660px}}
@media(max-width:540px){.hero-art{height:350px;max-width:350px}.hero-person{height:340px}.hero-x{width:250%;left:-75%}.story h2{font-size:27px}.story{padding:44px 0}.story-video{aspect-ratio:4/3}.testimonials{padding:38px 24px}.testimonials-top{align-items:flex-start;flex-direction:column;gap:10px}.testimonial blockquote{font-size:19px}}

.hero-person{width:72%;margin-left:23%;object-fit:contain;z-index:1}.hero-x{top:49%}
@media(max-width:540px){.hero-person{width:72%;margin-left:23%}}

/* Corrections finales V04 */
.hero-person{width:100%;margin:0;height:580px;object-fit:contain;object-position:center bottom}
.hero-x{width:250%;left:-75%;top:49%}.footer{border-top:0;margin-top:0}
.testimonials-grid{display:flex;gap:36px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;padding-bottom:8px}
.testimonials-grid::-webkit-scrollbar{display:none}.testimonial{flex:0 0 calc((100% - 72px)/3);scroll-snap-align:start;min-width:0}
.carousel-controls{display:flex;align-items:center;gap:8px}.carousel-controls button,.motion-toggle{font:400 13px "DM Sans";color:#191919;background:transparent;border:1px solid #aaa;padding:9px 13px;cursor:pointer;min-height:42px}
.carousel-controls button:hover{background:white}.testimonials-top{flex-wrap:wrap}.testimonials-top .text-link{margin-left:auto}
.collaboration video{display:block;width:100%;aspect-ratio:1.55;object-fit:cover;background:#191919}
.story-video video{background:#191919}.books{perspective:1000px}.books img{animation:book-turn 7s ease-in-out infinite}.books figure:nth-child(2) img{animation-delay:-2.3s}.books figure:nth-child(3) img{animation-delay:-4.6s}
@keyframes book-turn{0%,100%{transform:rotateY(-9deg) translateY(0)}50%{transform:rotateY(9deg) translateY(-7px)}}
.motion-toggle{color:white;border-color:#666;margin-top:22px;font-size:12px}.books-wrap{text-align:center}.books-wrap.paused img{animation-play-state:paused}
@media(max-width:1150px){.hero-person{height:500px}.testimonial{flex-basis:calc((100% - 36px)/2)}}
@media(max-width:850px){.hero-person{height:520px}.books-wrap{min-width:0}}
@media(max-width:540px){.hero-person{height:340px}.testimonial{flex-basis:100%}.testimonials-top{flex-direction:row}.testimonials-top .text-link{margin-left:0}.carousel-controls{width:100%}.masthead{height:auto;min-height:96px;padding-block:8px}.brand{display:block;width:175px;height:auto}.books img{height:120px}}
@media(prefers-reduced-motion:reduce){.books img{animation:none}.motion-toggle{display:none}}

/* V05 : composition fournie par Yannick, intégrée entière sans recadrage. */
.hero-art{height:auto;min-height:0;width:110%;max-width:none;margin:0 0 0 -5%;align-self:center;display:block}
.hero-composition{display:block;width:100%;height:auto;object-fit:contain;max-width:100%}
@media(max-width:850px){.hero-art{width:100%;max-width:600px;margin:0 auto;height:auto}}
@media(max-width:540px){.hero-art{width:100%;max-width:none;height:auto;margin:0}}