/* ALVENTIS Automotive — composants (version sobre) */

/* Manifeste : grands paragraphes centrés qui s'allument au défilement */
.manifesto{max-width:940px;margin-inline:auto;text-align:center}
.manifesto p{font-size:var(--t-sub);font-weight:300;line-height:1.28;letter-spacing:-.02em}
.manifesto p+p{margin-top:1.2em}
.manifesto .label{margin-bottom:36px}

/* Bandeau photo plein cadre + ligne de données, comme une fiche de présentation */
.plate{position:relative;overflow:hidden;border-radius:var(--r);background:#0a0a0a}
.plate img{width:100%;height:min(78vh,720px);object-fit:cover;will-change:transform}
.plate::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(0,0,0,.72),rgba(0,0,0,0) 46%);pointer-events:none}
.plate__cap{position:absolute;left:clamp(18px,3vw,36px);right:clamp(18px,3vw,36px);bottom:clamp(18px,3vw,32px);z-index:1;display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px 32px}
.plate__name{font-size:var(--t-h);line-height:1.05;letter-spacing:-.03em}
.datarow{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));border-top:1px solid var(--line)}
.datarow>div{padding:18px 18px 18px 0;border-bottom:1px solid var(--line)}
.datarow dt{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--ash)}
.datarow dd{margin-top:6px;font-size:var(--t-h2xs);line-height:1.2;letter-spacing:-.02em;font-variant-numeric:tabular-nums}

/* Liste repérée : petit carré de catégorie, année, nom, précision */
.trilist{display:grid;gap:0;border-top:1px solid var(--line)}
.trilist--two{grid-template-columns:1fr 1fr;column-gap:clamp(30px,6vw,96px);border-top:0}
.tri{display:grid;grid-template-columns:auto 1fr;align-items:start;gap:16px;padding:18px 0;border-bottom:1px solid var(--line);transition:padding .7s var(--ease),border-color .4s}
.trilist--two .tri:nth-child(-n+2){border-top:1px solid var(--line)}
.tri__mark{width:8px;height:8px;margin-top:9px;background:var(--c,#fff);transition:transform .7s var(--ease)}
.tri__year{display:block;margin-bottom:2px;font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--ash);font-variant-numeric:tabular-nums}
.tri__name{font-size:var(--t-hxs);font-weight:400;line-height:1.15;letter-spacing:-.02em}
.tri__sub{margin-top:4px;font-family:var(--mono);font-size:10.5px;line-height:1.5;text-transform:uppercase;letter-spacing:.08em;color:var(--ash)}
.tri:hover{padding-left:10px;border-color:rgba(255,255,255,.5)}
.tri:hover .tri__mark{transform:rotate(45deg)}
.legend{display:flex;flex-wrap:wrap;gap:10px 28px;margin-top:32px}
.legend li{display:flex;align-items:center;gap:10px;font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--mist)}
.legend i{width:8px;height:8px;background:var(--c)}

/* Carrousel 3D : la carte active au centre, les voisines reculent dans la profondeur */
.carousel{--w:min(44vw,430px);--ar:1.25;position:relative;touch-action:pan-y}
.carousel--wide{--w:min(70vw,760px);--ar:.625}
.carousel__stage{position:relative;height:calc(var(--w) * var(--ar) + 112px);perspective:1700px}
.cslide{position:absolute;left:50%;top:0;width:var(--w);margin-left:calc(var(--w) / -2);transform:translate3d(calc(var(--o,0) * 68%),0,calc(var(--ao,0) * -300px)) rotateY(calc(var(--o,0) * -18deg));opacity:calc(1 - var(--ao,0) * .62);transition:transform 1.2s var(--ease),opacity 1s var(--ease);cursor:pointer;will-change:transform}
.cslide.is-far{pointer-events:none}
.cslide__img{aspect-ratio:calc(1 / var(--ar));border-radius:var(--r);overflow:hidden;background:#0b0b0b}
.cslide__img img{width:100%;height:100%;object-fit:cover;transition:transform 1.8s var(--ease),filter 1s var(--ease)}
.cslide:not(.is-active) .cslide__img img{filter:grayscale(1) brightness(.5)}
.cslide.is-active:hover .cslide__img img{transform:scale(1.03)}
.cslide__meta{padding-top:18px;text-align:center;opacity:0;transform:translate3d(0,10px,0);transition:opacity .6s var(--ease),transform .9s var(--ease)}
.cslide.is-active .cslide__meta{opacity:1;transform:none;transition-delay:.22s}
.cslide__name{margin-top:8px;font-size:var(--t-hxs);font-weight:400;line-height:1.15;letter-spacing:-.02em}
.carousel__nav{display:flex;align-items:center;justify-content:center;gap:28px;margin-top:16px}
.dots{display:flex;flex-wrap:wrap;justify-content:center;gap:9px}
.dots button{width:18px;height:18px;display:grid;place-items:center}
.dots button::before{content:"";width:5px;height:5px;border-radius:50%;background:rgba(255,255,255,.3);transition:background .4s,transform .5s var(--ease)}
.dots button[aria-current="true"]::before{background:#fff;transform:scale(1.5)}
.roster{display:grid;grid-template-columns:repeat(5,1fr);gap:0 18px;margin-top:56px;border-top:1px solid var(--line)}
.roster button{display:grid;gap:4px;width:100%;padding:14px 0;border-bottom:1px solid var(--line);text-align:left;transition:border-color .4s}
.roster__n{font-size:14px;font-weight:400;line-height:1.4;color:var(--mist);transition:color .3s}
.roster__r{font-family:var(--mono);font-size:10px;line-height:1.5;letter-spacing:.04em;text-transform:uppercase;color:var(--ash)}
.roster button:hover .roster__n,.roster button[aria-current="true"] .roster__n{color:#fff}
.roster button[aria-current="true"]{border-color:#fff}
.posts--three{grid-template-columns:repeat(3,1fr)}

/* Images : angles nets, légère inclinaison 3D au survol */
.figure figcaption{max-width:64ch;margin-top:12px;font-family:var(--mono);font-size:10.5px;line-height:1.6;letter-spacing:.03em;color:var(--ash)}
.shot{position:relative;display:block;border-radius:var(--r);overflow:hidden;background:#0b0b0b;transition:transform .6s var(--ease);will-change:transform}
.shot img{width:100%;height:100%;object-fit:cover;transition:transform 1.6s var(--ease)}
.shot:hover img{transform:scale(1.03)}
.shot[data-zoom]{cursor:zoom-in}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.gallery .shot{aspect-ratio:4/3}
.stack{display:grid;gap:30px}
.lightbox{position:fixed;inset:0;z-index:80;display:grid;place-items:center;padding:clamp(16px,4vw,60px);background:rgba(0,0,0,.94);opacity:0;visibility:hidden;transition:opacity .4s var(--ease),visibility 0s .4s;cursor:zoom-out}
.lightbox.is-open{opacity:1;visibility:visible;transition:opacity .4s var(--ease),visibility 0s}
.lightbox img{max-width:100%;max-height:calc(100vh - 2 * clamp(16px,4vw,60px));border-radius:var(--r);transform:scale(.96);transition:transform .6s var(--ease)}
.lightbox.is-open img{transform:none}

/* Chiffres */
.specs{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,6vw,96px)}
.spec{padding-top:20px;border-top:1px solid var(--line)}
.spec__num{display:flex;align-items:baseline;gap:0 .16em;margin-top:14px;white-space:nowrap;font-size:var(--t-hlg);font-weight:300;line-height:1;letter-spacing:-.04em;font-variant-numeric:tabular-nums}
.spec__num small{font-family:var(--mono);font-size:.2em;letter-spacing:.06em;text-transform:uppercase;color:var(--ash)}
.spec p{margin-top:12px;color:var(--mist)}

/* Grands liens d'exploration */
.xlinks{display:grid;border-top:1px solid var(--line)}
.xlink{display:flex;align-items:baseline;gap:24px;padding:16px 0;border-bottom:1px solid var(--line);font-size:var(--t-h);font-weight:300;line-height:1.1;letter-spacing:-.03em;color:var(--mist);transition:color .4s,padding .7s var(--ease)}
.xlink em{flex:none;width:3em;font-family:var(--mono);font-size:11px;font-style:normal;letter-spacing:.08em;color:var(--ash)}
.xlink svg{width:.42em;height:.42em;margin-left:auto;opacity:0;transform:translateX(-12px);transition:opacity .4s,transform .7s var(--ease)}
.xlinks:hover .xlink{color:var(--dim)}
.xlinks .xlink:hover{color:#fff;padding-left:14px}
.xlink:hover svg{opacity:1;transform:none}

/* Actualités, blog */
.story+.story{margin-top:var(--gap)}
.story .prose{color:var(--mist)}
.quote{font-size:var(--t-h2xs);font-weight:300;line-height:1.4;letter-spacing:-.01em;color:#fff}
.posts{display:grid;grid-template-columns:1fr 1fr;gap:clamp(36px,5vw,72px) clamp(24px,4vw,60px)}
.post{display:block}
.post .shot{aspect-ratio:16/10}
.post__meta{display:flex;gap:18px;margin-top:18px;font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--ash)}
.post h2{margin-top:10px;font-size:var(--t-hxs);line-height:1.2;letter-spacing:-.02em}
.post p{margin-top:12px;color:var(--mist)}
.post .ghost{margin-top:18px}
.press{display:grid;grid-template-columns:1fr 1fr;gap:0 clamp(24px,4vw,60px);border-top:1px solid var(--line)}
.press>div{padding:22px 0;border-bottom:1px solid var(--line)}
.press a{display:block;margin-top:8px;font-size:var(--t-h2xs);font-weight:400;line-height:1.3;letter-spacing:-.02em;color:var(--mist);transition:color .3s}
.press a:hover{color:#fff}

/* Article long (blog, pages légales) */
.article{max-width:760px;margin-inline:auto}
.article__head{margin-bottom:48px}
.article__head h1{font-size:var(--t-h);line-height:1.1;letter-spacing:-.03em}
.article__body{color:var(--mist)}
.article__body>*+*{margin-top:1.1em}
.article__body h2,.article__body h3{margin-top:2.2em;font-size:var(--t-h2xs);line-height:1.3;letter-spacing:-.02em;color:#fff}
.article__body ul,.article__body ol{display:grid;gap:.5em}
.article__body li{position:relative;padding-left:22px}
.article__body li::before{content:"";position:absolute;left:2px;top:.72em;width:5px;height:5px;background:var(--accent)}
.article__body a{color:var(--ink);overflow-wrap:anywhere;text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:3px}
.article__body a:hover{color:#fff;text-decoration-color:#fff}
.article .figure{margin-block:36px}

/* Formulaires */
.form{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:grid;gap:8px}
.field--full,.form__foot{grid-column:1/-1}
.field label{font-family:var(--mono);font-size:10.5px;line-height:1.2;letter-spacing:.1em;text-transform:uppercase;color:var(--ash);transition:color .3s}
.field:focus-within label{color:#fff}
.field input,.field textarea{width:100%;padding:13px 16px;border:1px solid var(--line);border-radius:var(--r);background:rgba(0,0,0,.5);outline:0;font-weight:300;line-height:1.5;transition:border-color .3s}
.field input::placeholder,.field textarea::placeholder{color:#5c5c60}
.field input:hover,.field textarea:hover{border-color:rgba(255,255,255,.34)}
.field input:focus,.field textarea:focus{border-color:#fff}
.field.is-error input,.field.is-error textarea{border-color:var(--accent)}
.field textarea{min-height:150px;resize:vertical}
.form__foot{display:flex;flex-wrap:wrap;align-items:center;gap:12px 24px;margin-top:6px}
.form__note{font-size:13px;font-weight:400;color:var(--accent)}
.inline-form{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}
.inline-form input{flex:1;min-width:220px;padding:11px 16px;border:1px solid var(--line);border-radius:var(--pill);background:rgba(0,0,0,.5);outline:0;font-weight:300}
.inline-form input:focus{border-color:#fff}
.contact-lines{display:grid;gap:6px;margin-top:24px;color:var(--mist)}
.contact-lines a{color:var(--ink);text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:4px}

/* Pied de page */
.footer{position:relative;z-index:2;padding:var(--gap) var(--pad) 36px;border-top:1px solid var(--line);background:rgba(0,0,0,.6);text-align:center}
.footer__logo{display:inline-flex;flex-direction:column;align-items:center;gap:18px}
.footer__logo svg{width:44px;color:#fff}
.footer__logo img{height:16px;width:auto;mix-blend-mode:screen}
.footer__links{display:flex;flex-wrap:wrap;justify-content:center;gap:10px 24px;margin-top:36px}
.footer__links a{font-size:13px;color:var(--mist);transition:color .3s}
.footer__links a:hover{color:#fff}
.footer__legal{margin-top:24px;font-family:var(--mono);font-size:10.5px;line-height:1.7;letter-spacing:.04em;color:var(--ash)}

@media (max-width:860px){
  .trilist--two,.specs,.posts,.press,.form{grid-template-columns:1fr}
  .trilist--two .tri:nth-child(2){border-top:0}
  .gallery{grid-template-columns:1fr 1fr}
  .carousel{--w:min(74vw,400px)}
  .carousel--wide{--w:86vw}
  .cslide{transform:translate3d(calc(var(--o,0) * 78%),0,calc(var(--ao,0) * -220px)) rotateY(calc(var(--o,0) * -14deg))}
  .roster{grid-template-columns:1fr 1fr}
  .posts--three{grid-template-columns:1fr}
  .plate img{height:56vh}
}