/* Transport Chainé inc. — concept de refonte. Vert Chainé, encre, papier gris chaussée ; l'ocre de leurs titres en accent. */
:root{
  --paper:#EEEDE7; --paper-deep:#E2E0D8; --ink:#121815; --ink-2:#1B2420; --vert:#056B45; --vert-deep:#0B4A34; --vert-text:#0A5C3D;
  --ocre:#B88712; --ocre-soft:#D9A93A; --ocre-text:#8A650C; --muted:#5B6560;
  --line:rgba(18,24,21,.14); --line-dark:rgba(238,237,231,.16); --paper-dim:rgba(238,237,231,.72);
  --ease:cubic-bezier(.22,.61,.36,1); --ease-out:cubic-bezier(.16,1,.3,1);
  --gutter:clamp(20px,4.5vw,64px); --max:1480px; --side:max(var(--gutter),(100% - var(--max))/2);
  --head:'Hepta Slab',Rockwell,'Roboto Slab',Georgia,serif; --body:'Golos Text',system-ui,-apple-system,'Segoe UI',sans-serif;
  --t-display:clamp(40px,6.2vw,92px); --t-h2:clamp(30px,3.8vw,58px); --t-h3:clamp(21px,2vw,28px); --t-lede:clamp(17px,1.35vw,20px);
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.6 var(--body);-webkit-font-smoothing:antialiased;overflow-x:hidden;overflow-x:clip}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
h1,h2,h3,p,ul,ol,figure,blockquote,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
h1,h2,h3{font-family:var(--head);font-weight:700;letter-spacing:-.012em}
:focus-visible{outline:2px solid var(--vert);outline-offset:4px;border-radius:2px}
.dark :focus-visible,.hero :focus-visible,.hero-int :focus-visible,.secbar :focus-visible,.menu :focus-visible,.nav:not(.is-solid) :focus-visible{outline-color:var(--ocre-soft)}
.skip{position:absolute;left:16px;top:-60px;z-index:100;background:var(--ink);color:var(--paper);padding:10px 14px;border-radius:999px;font-size:14px;text-decoration:none}
.skip:focus{top:16px}
#main:focus{outline:0}
.wrap{width:min(100% - 2*var(--gutter),var(--max));margin-inline:auto}

/* rôles typographiques */
.eyebrow{font:600 12px/1.3 var(--body);letter-spacing:.16em;text-transform:uppercase;color:var(--ocre-text);margin-bottom:22px}
.display{font:800 var(--t-display)/.98 var(--head);letter-spacing:-.02em}
.headline{font:700 var(--t-h2)/1.04 var(--head);letter-spacing:-.015em;text-wrap:balance}
.lede{font:400 var(--t-lede)/1.55 var(--body);color:var(--muted);max-width:54ch;margin-top:26px}
.dark .lede{color:var(--paper-dim)}
.note{font:600 clamp(19px,1.6vw,24px)/1.4 var(--head);letter-spacing:-.01em;max-width:30ch}
.small{font-size:14px;color:var(--muted)}
.mask{display:block;overflow:hidden;padding:0 .1em .16em 0;margin:0 -.1em -.16em 0}
.display .mask{padding-bottom:.1em;margin-bottom:-.1em}
.mask>span{display:block}
.section-head{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:24px var(--gutter);align-items:end;padding-top:clamp(64px,7vw,120px);margin-bottom:clamp(36px,4.5vw,64px)}
.section-head .eyebrow{grid-column:1/-1}
.section-head .lede{margin-top:0;padding-bottom:.5em}
@media (max-width:899px){.section-head{grid-template-columns:1fr}.section-head .lede{padding-bottom:0}}

/* boutons, liens */
.btn{position:relative;display:inline-flex;align-items:center;gap:14px;padding:18px 28px;border:1px solid currentColor;font:600 12.5px/1 var(--body);letter-spacing:.12em;text-transform:uppercase;text-decoration:none;color:inherit;isolation:isolate;overflow:hidden;transition:color .45s var(--ease),border-color .45s var(--ease);white-space:nowrap}
.btn::after{content:"";position:absolute;inset:-1px;z-index:-1;background:var(--btn-fill);transform:translateX(-101%);transition:transform .5s var(--ease-out)}
.btn:hover::after,.btn:focus-visible::after{transform:translateX(0)}
.btn i{font-style:normal;transition:transform .45s var(--ease-out)}
.btn:hover i,.btn:focus-visible i{transform:translateX(6px)}
.btn-paper{--btn-fill:var(--paper);color:var(--paper)}
.btn-paper:hover,.btn-paper:focus-visible{color:var(--ink);border-color:var(--paper)}
.btn-ink{--btn-fill:var(--ink);color:var(--ink)}
.btn-ink:hover,.btn-ink:focus-visible{color:var(--paper)}
.btn-vert{--btn-fill:var(--vert);color:var(--paper);background:var(--ink);border-color:var(--ink)}
.btn-vert:hover,.btn-vert:focus-visible{color:var(--paper);border-color:var(--vert)}
.btn-lg{padding:22px 34px}
.link{display:inline-flex;align-items:center;gap:10px;font:600 12.5px/1 var(--body);letter-spacing:.12em;text-transform:uppercase;text-decoration:none;padding:12px 0 9px;position:relative;min-height:44px}
.link::after,.link::before{content:"";position:absolute;left:0;right:0;bottom:0;height:1px}
.link::after{background:currentColor;opacity:.3}
.link::before{background:var(--ocre);transform:scaleX(0);transform-origin:left;transition:transform .6s var(--ease);z-index:1}
.link:hover::before,.link:focus-visible::before{transform:scaleX(1)}
.link i{font-style:normal;transition:transform .45s var(--ease-out)}
.link:hover i,.link:focus-visible i{transform:translateX(5px)}
.link.quiet{opacity:.7;font-weight:500}
.link.quiet::after{display:none}
.link.quiet:hover,.link.quiet:focus-visible{opacity:1}
.link.quiet:hover i,.link.quiet:focus-visible i{transform:translateY(4px)}
.link-arrow{display:inline-flex;align-items:center;gap:12px;font:600 12px/1 var(--body);letter-spacing:.12em;text-transform:uppercase;text-decoration:none;position:relative;padding:8px 0 6px;color:var(--vert-text)}
.link-arrow::before{content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;background:currentColor;transform:scaleX(.28);transform-origin:left;transition:transform .5s var(--ease-out)}
.link-arrow:hover::before,.link-arrow:focus-visible::before{transform:scaleX(1)}
.link-arrow i{width:22px;height:1px;background:currentColor;position:relative;transition:transform .45s var(--ease-out);transform-origin:left}
.link-arrow i::after{content:"";position:absolute;right:-1px;top:-3px;width:7px;height:7px;border-top:1px solid currentColor;border-right:1px solid currentColor;transform:rotate(45deg)}
.link-arrow:hover i,.link-arrow:focus-visible i{transform:scaleX(1.5)}
.dark .link-arrow{color:var(--ocre-soft)}

/* nav */
.nav{position:fixed;inset:0 0 auto 0;z-index:50;display:flex;align-items:center;gap:30px;padding:22px var(--gutter);color:var(--paper);transition:background .45s var(--ease),color .45s var(--ease)}
html:not(.js) .nav{position:absolute}
html:not(.js) .nav-links,html:not(.js) .btn-nav{display:flex;flex-wrap:wrap}
html:not(.js) .nav-burger{display:none}
.nav.is-solid{background:rgba(238,237,231,.93);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);color:var(--ink);border-bottom:1px solid var(--line)}
.nav.menu-open{background:transparent;backdrop-filter:none;-webkit-backdrop-filter:none;color:var(--paper);border-bottom-color:transparent}
.nav-logo{display:block;margin-right:auto;width:150px;flex:none}
.nav-logo img{width:150px;height:auto}
.nav-logo .logo-couleur{display:none}
.nav.is-solid:not(.menu-open) .logo-couleur{display:block}
.nav.is-solid:not(.menu-open) .logo-blanc{display:none}
.nav-links{display:flex;gap:4px}
.nav-links a{position:relative;padding:10px 10px;font:500 12.5px/1 var(--body);letter-spacing:.06em;text-transform:uppercase;text-decoration:none;opacity:.86;transition:opacity .3s;white-space:nowrap}
.nav-links a::after{content:"";position:absolute;left:10px;right:10px;bottom:4px;height:1px;background:var(--ocre);transform:scaleX(0);transform-origin:right;transition:transform .45s var(--ease-out)}
.nav-links a:hover,.nav-links a:focus-visible{opacity:1}
.nav-links a:hover::after,.nav-links a:focus-visible::after{transform:scaleX(1);transform-origin:left}
.nav-links a.nav-en{opacity:.6;font-weight:400}
.btn-nav{padding:13px 22px;font-size:12px;letter-spacing:.1em;--btn-fill:var(--paper);color:var(--paper)}
.btn-nav:hover,.btn-nav:focus-visible{color:var(--ink);border-color:var(--paper)}
.is-solid .btn-nav{--btn-fill:var(--vert);color:var(--vert-text);border-color:var(--vert)}
.is-solid .btn-nav:hover,.is-solid .btn-nav:focus-visible{color:var(--paper);border-color:var(--vert)}
.menu-open .btn-nav{--btn-fill:var(--paper);color:var(--paper);border-color:currentColor}
.nav-burger{display:none;width:44px;height:44px;border:0;background:none;color:inherit;cursor:pointer;flex-direction:column;justify-content:center;gap:6px;align-items:center}
.nav-burger span{display:block;width:24px;height:1.5px;background:currentColor;transition:transform .4s var(--ease)}
.nav-burger[aria-expanded="true"] span:first-child{transform:translateY(3.75px) rotate(45deg)}
.nav-burger[aria-expanded="true"] span:last-child{transform:translateY(-3.75px) rotate(-45deg)}
.menu{position:fixed;inset:0;z-index:45;background:var(--vert-deep);color:var(--paper);padding:104px var(--gutter) 40px;overflow-y:auto;overscroll-behavior:contain}
.menu nav{display:flex;flex-direction:column;gap:6px}
.menu nav>a:not(.btn){font:600 clamp(24px,6vw,36px)/1.2 var(--head);letter-spacing:-.01em;text-decoration:none;padding:8px 0;border-bottom:1px solid var(--line-dark)}
.menu nav>a.menu-en{font:500 16px/1.4 var(--body);padding:12px 0;letter-spacing:.04em}
.menu nav>a.btn{margin-top:24px;align-self:flex-start}
@media (max-width:1099px){.nav-links,.btn-nav{display:none}.nav-burger{display:flex}}
@media (min-width:1100px) and (max-width:1259px){.nav{gap:16px}.nav-links{gap:0}.nav-links a{padding:10px 7px;font-size:12px;letter-spacing:.03em}.btn-nav{padding:12px 16px}}
.nav-links a[aria-current]{opacity:1}
.nav-links a[aria-current]::after{transform:scaleX(1);transform-origin:left}
.menu nav>a[aria-current]{color:var(--ocre-soft)}
.footer-col a[aria-current]{color:var(--paper)}

/* héros : le ciel porte le titre, le camion reste entier dessous ; parallaxe, le voile descend */
.hero{position:relative;height:100vh;height:100svh;min-height:640px;background:var(--ink-2);color:#F5F4EF;overflow:hidden}
.hero-media,.hero-poster,.hero-veil{position:absolute;inset:0;width:100%;height:100%}
.hero-media{z-index:0;overflow:hidden;will-change:transform}
.hero-poster{object-fit:cover;object-position:center 62%}
.hero-veil{z-index:1;opacity:.94;background:linear-gradient(to bottom,rgba(10,18,14,.86) 0%,rgba(10,18,14,.62) 30%,rgba(10,18,14,.16) 58%,rgba(10,18,14,0) 72%),linear-gradient(to right,rgba(10,18,14,.62) 0%,rgba(10,18,14,.36) 34%,rgba(10,18,14,0) 58%),linear-gradient(to top,rgba(10,18,14,.66) 0%,rgba(10,18,14,0) 22%)}
.hero-shade{position:absolute;inset:0;z-index:1;background:rgba(10,18,14,.55);opacity:0}
.hero-content{position:absolute;z-index:3;left:var(--gutter);right:var(--gutter);top:clamp(104px,15vh,150px);max-width:960px}
.hero-eyebrow{color:var(--ocre-soft);margin-bottom:22px}
.hero-title{font:800 clamp(36px,5.2vw,78px)/1 var(--head);letter-spacing:-.02em;text-shadow:0 2px 40px rgba(8,14,20,.35)}
.hero-title .mask{padding:0 .08em .12em 0;margin:0 -.08em -.12em 0}
.hero-lede{margin-top:26px;max-width:520px;font-size:18px;line-height:1.6;color:rgba(245,244,239,.92);text-shadow:0 1px 2px rgba(5,8,12,.6),0 6px 22px rgba(5,8,12,.45)}
.hero-ctas{margin-top:30px;display:flex;gap:40px;align-items:center;flex-wrap:wrap}
.hero-foot{position:absolute;z-index:3;left:var(--gutter);right:var(--gutter);bottom:26px}
.hero-foot-in{display:flex;justify-content:space-between;align-items:center;gap:24px;font:500 12px/1.4 var(--body);letter-spacing:.14em;text-transform:uppercase;color:rgba(245,244,239,.72)}
.scroll-cue{display:inline-flex;align-items:center;gap:14px}
.scroll-cue i{width:1px;height:40px;background:currentColor;opacity:.5;position:relative;overflow:hidden}
.scroll-cue i::after{content:"";position:absolute;inset:0;background:var(--ocre-soft);transform:translateY(-100%);animation:cue 2.2s var(--ease) infinite}
@keyframes cue{0%{transform:translateY(-100%)}55%{transform:translateY(0)}100%{transform:translateY(100%)}}
@media (max-width:720px){
  .hero{min-height:620px}
  .hero-poster{object-position:50% 70%}
  .hero-veil{background:linear-gradient(to bottom,rgba(10,18,14,.9) 0%,rgba(10,18,14,.7) 34%,rgba(10,18,14,.2) 60%,rgba(10,18,14,0) 74%),linear-gradient(to top,rgba(10,18,14,.7) 0%,rgba(10,18,14,0) 22%)}
  .hero-content{top:96px}
  .hero-eyebrow{margin-bottom:16px}
  .hero-title{font-size:clamp(34px,10vw,46px)}
  .hero-lede{margin-top:18px;font-size:16px;max-width:none}
  .hero-ctas{gap:18px;flex-direction:column;align-items:flex-start;margin-top:22px}
  .hero-foot-in{font-size:12px;letter-spacing:.08em}
  .hero-foot .scroll-cue{display:none}
}
@media (max-height:700px) and (min-width:721px){.hero-content{top:90px}.hero-lede{display:none}}

/* bande de preuve : un filet ocre se trace, puis quatre faits */
.glance{position:relative;display:grid;grid-template-columns:repeat(4,1fr);padding:64px 0}
.glance::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--ocre);transform-origin:left;transition:transform 1.8s var(--ease)}
.js:not(.no-anim) .glance::before{transform:scaleX(0)}
.js:not(.no-anim) .glance.is-in::before{transform:scaleX(1)}
.glance-item{padding:8px 36px;border-left:1px solid var(--line)}
.glance-item:first-child{border-left:0;padding-left:0}
.glance .big{font:800 clamp(30px,2.8vw,44px)/1.05 var(--head);letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.glance .big small{font-size:.55em;font-weight:600;letter-spacing:0;margin-left:.15em}
.glance .small{margin-top:10px;font:600 12px/1.5 var(--body);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
@media (max-width:899px){.glance{grid-template-columns:1fr 1fr;row-gap:40px;padding:64px 0}.glance-item{padding:0 0 0 22px}.glance-item:nth-child(3){border-left:0;padding-left:0}}
@media (max-width:599px){.glance{grid-template-columns:1fr;row-gap:0;padding:48px 0}.glance-item{padding:22px 0;border-left:0;border-top:1px solid var(--line)}.glance-item:first-child{border-top:0;padding-top:0}}

/* sections sombres */
.dark{background:var(--ink-2);color:var(--paper)}
.dark .eyebrow{color:var(--ocre-soft)}
.vert{background:var(--vert-deep);color:var(--paper)}
.vert .eyebrow{color:var(--ocre-soft)}
.vert .lede{color:var(--paper-dim)}

/* cadres à parallaxe : l'image est en réserve à 120 % de la hauteur du cadre */
.frame,.way-media,.where-media{overflow:hidden;background:var(--paper-deep);position:relative}
.frame img,.way-media img,.where-media img{width:100%;height:120%;object-fit:cover;will-change:transform}
html:not(.js) .frame img,html:not(.js) .way-media img,html:not(.js) .where-media img,.no-anim .frame img,.no-anim .way-media img,.no-anim .where-media img{transform:translateY(-8%)}
.frame-32,.way-media,.where-media{aspect-ratio:3/2}
.frame-45{aspect-ratio:4/5}
.frame-11{aspect-ratio:1/1}

/* les quatre secteurs : une grande entrée, trois à sa droite, hauteurs inégales */
.ways-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);grid-template-rows:auto auto auto;gap:48px var(--gutter);padding-bottom:clamp(64px,7vw,120px)}
.way-lg{grid-row:1/4}
.way-lg .way-media{max-width:680px}
.way-lg .way-body{max-width:560px}
.way-body{padding-top:24px}
.way-body .eyebrow{margin-bottom:12px;color:var(--vert-text)}
.way-body h3{font-size:var(--t-h3);line-height:1.12;margin-bottom:14px;text-wrap:balance}
.way-lg .way-body h3{font-size:clamp(26px,2.6vw,38px)}
.way-body p:not(.eyebrow){color:var(--muted);max-width:46ch;margin-bottom:20px}
.way-body ul{display:flex;flex-wrap:wrap;gap:6px 14px;margin-bottom:22px;font-size:14px;color:var(--ink)}
.way-body ul li{padding:5px 0;border-bottom:1px solid var(--ocre)}
.way:not(.way-lg){display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:24px;align-items:start}
.way:not(.way-lg) .way-media{aspect-ratio:4/5}
.way:not(.way-lg) .way-body{padding-top:0}
.way:not(.way-lg) .way-body h3{font-size:clamp(20px,1.7vw,23px)}
.way:nth-child(3){margin-top:-8px}
@media (max-width:899px){.ways-grid{grid-template-columns:1fr;gap:48px}.way-lg{grid-row:auto}.way-lg .way-media{max-width:none}.way:nth-child(3){margin-top:0}}
@media (max-width:599px){.way:not(.way-lg){grid-template-columns:1fr}.way:not(.way-lg) .way-media{aspect-ratio:3/2}.way:not(.way-lg) .way-body{padding-top:18px}}

/* les équipements : liste verticale par défaut, galerie épinglée horizontale seulement avec le motion sur grand écran */
.equip{background:var(--paper-deep);position:relative}
.equip-pin{padding:clamp(64px,7vw,120px) 0 clamp(56px,6vw,96px)}
.equip-head{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:24px var(--gutter);align-items:end;margin-bottom:clamp(36px,5vh,64px)}
.equip-head .lede{margin-top:18px;max-width:44ch}
.equip-nav{display:none;justify-self:end;width:100%;max-width:460px;padding-bottom:6px}
.equip-index{display:flex;flex-wrap:wrap;gap:6px 18px;font:600 12px/1 var(--body);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.equip-index button{all:unset;display:inline-block;cursor:pointer;color:inherit;font:inherit;letter-spacing:inherit;text-transform:inherit;padding:6px 0;transition:color .35s}
.equip-index button:hover{color:var(--ink)}
.equip-index button:focus-visible{outline:2px solid var(--vert);outline-offset:3px}
.equip-index li.is-active button{color:var(--vert-text)}
.equip-progress{height:2px;background:var(--line);margin-top:16px;overflow:hidden}
.equip-progress span{display:block;height:100%;width:100%;background:var(--vert);transform:scaleX(0);transform-origin:left}
.equip-hint{margin-top:12px;font-size:13px;color:var(--muted);letter-spacing:.04em}
.equip-track{display:flex;flex-direction:column;gap:64px;padding-inline:var(--side)}
.panel{display:grid;grid-template-columns:1fr;gap:clamp(20px,3vw,44px);align-items:end}
.panel-media{aspect-ratio:3/2;overflow:hidden;background:var(--paper);max-width:800px}
.panel-media img{width:100%;height:100%;object-fit:cover}
.panel-body .eyebrow{margin-bottom:14px;color:var(--vert-text)}
.panel-body h3{font-size:clamp(26px,3vw,44px);line-height:1.04;letter-spacing:-.015em;text-wrap:balance;margin-bottom:16px}
.panel-body p:not(.eyebrow){color:var(--muted);max-width:40ch;margin-bottom:22px}
.panel-spec{display:flex;flex-wrap:wrap;gap:10px 28px;margin-bottom:24px}
.panel-spec div{display:grid;gap:2px}
.panel-spec dt{font:600 12px/1.4 var(--body);letter-spacing:.14em;text-transform:uppercase;color:var(--ocre-text)}
.panel-spec dd{font:700 clamp(20px,1.7vw,26px)/1.1 var(--head);letter-spacing:-.01em;font-variant-numeric:tabular-nums}
.panel-end .panel-body{padding:0}
.panel-end h3{font-size:clamp(30px,3.8vw,58px)}
@media (min-width:900px){.panel{grid-template-columns:minmax(0,6fr) minmax(0,6fr);align-items:center}.panel-end{grid-template-columns:1fr}}
@media (min-width:900px){
  .js:not(.no-anim) .equip-pin{height:100svh;display:flex;flex-direction:column;justify-content:center;overflow:hidden;padding:max(clamp(40px,6vh,80px),84px) 0 clamp(32px,5vh,64px)}
  .js:not(.no-anim) .equip-nav{display:block}
  .js:not(.no-anim) .equip-track{flex-direction:row;gap:clamp(40px,6vw,110px);will-change:transform;align-items:stretch}
  .js:not(.no-anim) .panel{flex:0 0 min(84vw,1060px);grid-template-columns:minmax(0,7fr) minmax(0,5fr)}
  .js:not(.no-anim) .panel-media{aspect-ratio:auto;height:clamp(240px,100svh - 440px,470px);max-width:none}
  .js:not(.no-anim) .panel-media img{max-width:none;width:120%}
  .js:not(.no-anim) .panel-end{flex-basis:min(70vw,760px);grid-template-columns:1fr;align-items:center;padding-right:var(--side)}
}
@media (min-width:900px) and (max-height:700px){
  .js:not(.no-anim) .equip-pin{padding-top:76px}
  .js:not(.no-anim) .equip-head .lede{display:none}
  .js:not(.no-anim) .panel-body p:not(.eyebrow){font-size:15.5px;margin-bottom:18px}
}

/* du point A au point B : texte et photo collants à gauche, la ligne verte se dessine à droite */
.plan{padding:clamp(72px,8vw,130px) 0}
.plan-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:64px var(--gutter);align-items:start}
.plan-text{position:sticky;top:110px}
.plan-fig{margin-top:44px;max-width:440px}
.plan-fig .frame{aspect-ratio:4/5}
.plan-fig figcaption{margin-top:12px;font-size:14px;color:var(--paper-dim)}
.steps{position:relative;padding:8px 0 0}
.steps-line{position:absolute;left:34px;top:20px;bottom:40px;width:1px;background:var(--line-dark)}
.steps-line span{display:block;width:100%;height:100%;background:var(--ocre-soft);transform:scaleY(0);transform-origin:top}
.step{display:grid;grid-template-columns:70px 1fr;gap:0 28px;padding:26px 0 30px;border-bottom:1px solid var(--line-dark);align-items:start}
.step:last-child{border-bottom:0}
.step-n{font:700 clamp(20px,1.8vw,26px)/1.1 var(--head);letter-spacing:-.01em;color:rgba(238,237,231,.42);transition:color .45s var(--ease),transform .45s var(--ease);font-variant-numeric:tabular-nums;position:relative;z-index:1;background:var(--ink-2);width:70px;text-align:center;padding:6px 0}
.vert .step-n{background:var(--vert-deep)}
.step h3{font-size:clamp(19px,1.6vw,23px);letter-spacing:-.01em;margin-bottom:6px}
.step p{color:var(--paper-dim);font-size:15.5px;max-width:40ch}
.step.is-on .step-n,html:not(.js) .step-n,.no-anim .step-n{color:var(--ocre-soft)}
.step.is-on .step-n{transform:translateX(4px)}
@media (max-width:899px){.plan-grid{grid-template-columns:1fr}.plan-text{position:static}.plan-fig{max-width:360px}.steps{padding-top:0}}
@media (max-width:599px){.step{grid-template-columns:54px 1fr;gap:0 16px}.step-n{width:54px;font-size:18px}.steps-line{left:27px}}

/* l'opération Alcoa (accueil) : la photo dans le wrap, le texte qui mord dessus */
.feat{padding:clamp(64px,7vw,120px) 0 clamp(64px,7vw,120px)}
.feat-grid{display:grid;grid-template-columns:repeat(12,1fr);align-items:end}
.feat-media{grid-column:1/11;grid-row:1}
.feat-media .frame{aspect-ratio:16/9}
.feat-card{grid-column:7/13;grid-row:1;position:relative;z-index:1;background:var(--ink-2);color:var(--paper);padding:clamp(28px,3vw,44px);margin-bottom:clamp(-40px,-3vw,-20px);margin-left:clamp(0px,2vw,24px)}
.feat-card .eyebrow{color:var(--ocre-soft);margin-bottom:14px}
.feat-card h3{font-size:clamp(24px,2.4vw,36px);line-height:1.08;letter-spacing:-.015em;margin-bottom:16px;text-wrap:balance}
.feat-card p{color:var(--paper-dim);font-size:16px;max-width:44ch;margin-bottom:22px}
.feat-facts{display:grid;grid-template-columns:repeat(4,auto);gap:16px 24px;margin:clamp(40px,5vw,72px) 0 0;justify-content:start}
.feat-facts div{display:grid;gap:4px;padding-top:12px;border-top:2px solid var(--ocre)}
.feat-facts dt{font:600 12px/1.4 var(--body);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.feat-facts dd{font:800 clamp(24px,2.4vw,36px)/1 var(--head);letter-spacing:-.02em;font-variant-numeric:tabular-nums}
@media (max-width:899px){.feat-grid{grid-template-columns:1fr}.feat-media{grid-column:1;grid-row:1}.feat-card{grid-column:1;grid-row:2;margin:0}.feat-facts{grid-template-columns:1fr 1fr}}

/* 1960 : l'histoire en trois exigences */
.since{background:var(--paper-deep);padding:clamp(56px,6vw,100px) 0 clamp(64px,7vw,120px)}
.since-grid{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:48px var(--gutter);align-items:start}
.since-left{display:grid;gap:clamp(18px,2.4vw,32px)}
.since-media{max-width:720px}
.since-media figcaption{margin-top:12px;font-size:14px;color:var(--muted)}
.since-year{font:800 clamp(72px,9vw,150px)/.9 var(--head);letter-spacing:-.03em;color:var(--vert);margin:-.08em 0 0 -.04em}
.since-text{padding-top:clamp(8px,1.4vw,22px)}
.since-text .headline{margin-bottom:24px}
.exig{margin-top:36px;display:grid;gap:0}
.exig li{position:relative;padding:18px 0 18px 0;font:600 clamp(17px,1.3vw,20px)/1.4 var(--head);letter-spacing:-.005em}
.exig li::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--line)}
.exig li::after{content:"";position:absolute;left:0;top:-1px;height:2px;width:100%;background:var(--vert);transform:scaleX(0);transform-origin:left;transition:transform 1.2s var(--ease)}
.exig li.is-on::after,html:not(.js) .exig li::after,.no-anim .exig li::after{transform:scaleX(1)}
.exig li span{display:block;font:400 15px/1.5 var(--body);color:var(--muted);margin-top:4px}
.since .link-arrow{margin-top:30px}
@media (max-width:899px){.since-grid{grid-template-columns:1fr}.since-media{max-width:none}}

/* où nous trouver */
.where{padding:clamp(64px,7vw,120px) 0 clamp(64px,7vw,120px)}
.where-grid{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:48px var(--gutter);align-items:center}
.where-media{max-width:720px}
.where-text .headline{margin-bottom:36px}
.where-cols{display:grid;grid-template-columns:1fr 1fr;gap:28px var(--gutter)}
.where-col h3{font-size:17px;letter-spacing:-.005em;margin-bottom:12px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.where-col p{color:var(--muted);font-size:16px;margin-bottom:12px}
.where-col a{color:var(--ink);text-decoration:none;position:relative;font-weight:600}
.where-col a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;background:var(--ocre);transform:scaleX(0);transform-origin:left;transition:transform .45s var(--ease-out)}
.where-col a:hover::after,.where-col a:focus-visible::after{transform:scaleX(1)}
@media (max-width:899px){.where-grid{grid-template-columns:1fr}.where-media{max-width:none}}
@media (max-width:599px){.where-cols{grid-template-columns:1fr}}

/* appel final */
.cta{position:relative;padding:clamp(120px,14vw,200px) 0 clamp(88px,10vw,140px);overflow:clip;isolation:isolate}
.cta-bg{position:absolute;inset:-12% 0;z-index:0}
.cta-bg img{width:100%;height:100%;object-fit:cover;object-position:center 55%}
.cta::after{content:"";position:absolute;inset:0;z-index:0;background:linear-gradient(180deg,rgba(11,74,52,.86) 0%,rgba(11,74,52,.58) 50%,rgba(18,24,21,.94) 100%)}
.cta-inner{position:relative;z-index:1;max-width:1100px}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:24px 40px;margin-top:40px}

/* pied de page */
.footer{background:var(--ink);color:var(--paper);border-top:1px solid var(--line-dark);padding:clamp(48px,6vw,72px) 0 40px;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:minmax(0,5fr) repeat(3,minmax(0,2fr));gap:40px var(--gutter)}
.footer-logo{width:210px;height:auto}
.footer-brand .small{margin-top:18px;font:500 12px/1.6 var(--body);letter-spacing:.16em;text-transform:uppercase;color:var(--paper-dim);max-width:30ch}
.footer-col{display:flex;flex-direction:column;gap:10px}
.footer-col .eyebrow{color:var(--ocre-soft);font-size:12px;letter-spacing:.2em;margin-bottom:12px}
.footer-col a{text-decoration:none;color:rgba(238,237,231,.82);width:fit-content;position:relative;transition:color .3s}
.footer-col a:hover,.footer-col a:focus-visible{color:var(--paper)}
.footer-col a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;background:var(--ocre);transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease-out)}
.footer-col a:hover::after,.footer-col a:focus-visible::after{transform:scaleX(1)}
.footer-col a.sub{padding-left:14px;font-size:13.5px;color:rgba(238,237,231,.66)}
.plain{color:rgba(238,237,231,.82);display:grid;gap:4px;margin-top:6px}
.footer-base{margin-top:48px;padding-top:26px;border-top:1px solid var(--line-dark);display:grid;gap:14px}
.copyright{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px;font:500 12px/1.6 var(--body);letter-spacing:.14em;text-transform:uppercase;color:rgba(238,237,231,.55)}
.pbm{font-size:12.5px;line-height:1.6;color:rgba(238,237,231,.6)}
@media (max-width:899px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:599px){.footer-grid{grid-template-columns:1fr}}

/* ————— pages intérieures : même socle, héros court, un moment par gabarit ————— */
.hero-int{position:relative;background:var(--ink-2);color:#F5F4EF;padding:clamp(112px,14vh,160px) 0 clamp(44px,6vh,72px);overflow:hidden;isolation:isolate}
.hero-int::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--line-dark)}
.hero-int .wrap{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:36px var(--gutter);align-items:end}
.hero-int .eyebrow{color:var(--ocre-soft)}
.hero-int h1{font:800 clamp(36px,4.8vw,72px)/1 var(--head);letter-spacing:-.02em;text-wrap:balance}
.hero-int h1 .mask{padding:0 .08em .12em 0;margin:0 -.08em -.12em 0}
.hero-int .lede{color:rgba(245,244,239,.82);max-width:50ch;margin-top:22px}
.hero-int-meta{display:flex;flex-wrap:wrap;gap:14px 36px;margin-top:30px;padding-top:22px;border-top:1px solid var(--line-dark);font:600 12px/1.5 var(--body);letter-spacing:.14em;text-transform:uppercase;color:var(--ocre-soft)}
.hero-int-meta b{display:block;color:#F5F4EF;font:700 clamp(18px,1.6vw,24px)/1.15 var(--head);letter-spacing:-.01em;text-transform:none;margin-top:4px}
.hero-int-fig{position:relative;justify-self:end;width:100%;max-width:640px}
.hero-int-fig .frame{aspect-ratio:3/2;border:1px solid var(--line-dark)}
.hero-int-fig figcaption{margin-top:12px;font:600 12px/1.5 var(--body);letter-spacing:.12em;text-transform:uppercase;color:rgba(245,244,239,.58)}
.hero-int--text .wrap{grid-template-columns:minmax(0,8fr) minmax(0,4fr)}
.hero-int-side{justify-self:end;width:100%;max-width:400px;display:grid;gap:18px;padding-top:18px;border-top:1px solid var(--line-dark)}
.hero-int-side p{color:rgba(245,244,239,.82);font-size:16px}
.hero-int-side a{color:#F5F4EF;font-weight:600;text-decoration:none;border-bottom:1px solid var(--ocre);padding-bottom:1px}
.hero-int-side a:hover,.hero-int-side a:focus-visible{border-bottom-color:#F5F4EF}
.hero-int-big{font:800 clamp(30px,3.6vw,56px)/1.05 var(--head);letter-spacing:-.02em;color:#F5F4EF;text-decoration:none;display:inline-block;margin-top:18px;border-bottom:2px solid var(--ocre);padding-bottom:6px}
.hero-int-big:hover,.hero-int-big:focus-visible{border-bottom-color:#F5F4EF}
@media (max-width:899px){.hero-int .wrap,.hero-int--text .wrap{grid-template-columns:1fr}.hero-int-fig{justify-self:start;max-width:none}.hero-int-side{justify-self:start;max-width:none}}

/* barre des secteurs sous le héros des quatre pages de secteur */
.secbar{background:var(--ink);color:var(--paper);border-bottom:1px solid var(--line-dark)}
.secbar ol{display:flex;gap:0;overflow-x:auto;padding:0 var(--side);-webkit-overflow-scrolling:touch;scrollbar-width:none}
.secbar ol::-webkit-scrollbar{display:none}
.secbar li.secbar-label{padding:15px 14px 15px 0;font:600 12px/1.2 var(--body);letter-spacing:.16em;text-transform:uppercase;color:var(--ocre-soft);white-space:nowrap;flex:none;align-self:center}
.secbar li.secbar-label+li a{padding-left:0}
.secbar a{display:block;padding:16px 13px;font:500 12px/1.2 var(--body);letter-spacing:.08em;text-transform:uppercase;text-decoration:none;white-space:nowrap;color:rgba(238,237,231,.66);border-bottom:2px solid transparent;transition:color .3s}
.secbar a:hover,.secbar a:focus-visible{color:var(--paper)}
.secbar a[aria-current]{color:var(--ocre-soft);border-bottom-color:var(--ocre)}
.secbar a:focus-visible{outline-offset:-4px}

/* fiche de secteur : présentation + liste « nous transportons » dont les filets se tracent */
.fiche-intro{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:40px var(--gutter);align-items:start;padding:clamp(48px,6vw,88px) 0 clamp(32px,4vw,56px)}
.fiche-intro .lede{max-width:58ch;margin-top:0}
.fiche-intro .lede+.lede{margin-top:20px}
.fiche-intro .eyebrow{margin-bottom:18px}
.carry{border-top:2px solid var(--ocre);padding-top:6px}
.carry .eyebrow{margin:16px 0 6px}
.carry li{position:relative;padding:13px 0;font:600 clamp(17px,1.35vw,20px)/1.35 var(--head);letter-spacing:-.005em}
.carry li::before{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--line)}
.carry li::after{content:"";position:absolute;left:0;bottom:-1px;height:2px;width:100%;background:var(--vert);transform:scaleX(0);transform-origin:left;transition:transform 1.1s var(--ease)}
.carry li.is-on::after,html:not(.js) .carry li::after,.no-anim .carry li::after{transform:scaleX(1)}
.fiche-note{margin-top:22px;font-size:14.5px;color:var(--muted);max-width:40ch}
.fiche-body{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:40px var(--gutter);align-items:center;padding:clamp(32px,4vw,56px) 0 clamp(64px,7vw,110px)}
.fiche-body .frame{max-width:680px}
.fiche-body figcaption{margin-top:12px;font-size:14px;color:var(--muted)}
.fiche-body .note{max-width:34ch}
.fiche-body .assur{margin-top:26px;padding-top:20px;border-top:1px solid var(--line);color:var(--muted);font-size:15.5px;max-width:44ch}
.fiche-body .link-arrow{margin-top:26px}
@media (max-width:899px){.fiche-intro,.fiche-body{grid-template-columns:1fr;gap:32px}.fiche-body .frame{max-width:none}}

/* page précédente / suivante */
.pn{border-top:1px solid var(--line);background:var(--paper-deep)}
.pn .wrap{display:grid;grid-template-columns:1fr 1fr}
.pn a{display:flex;flex-direction:column;gap:8px;padding:clamp(30px,4vw,52px) 0;text-decoration:none}
.pn a+a{text-align:right;align-items:flex-end;border-left:1px solid var(--line)}
.pn .eyebrow{margin-bottom:0;color:var(--muted);transition:color .3s}
.pn strong{font:700 clamp(20px,2.2vw,30px)/1.05 var(--head);letter-spacing:-.015em}
.pn a:hover .eyebrow,.pn a:focus-visible .eyebrow{color:var(--vert-text)}
@media (max-width:599px){.pn .wrap{grid-template-columns:1fr}.pn a+a{text-align:left;align-items:flex-start;border-left:0;border-top:1px solid var(--line)}}

/* hub des secteurs : quatre rangées, le numéro en parallaxe lente */
.rows{display:grid;gap:clamp(48px,6vw,88px);padding:clamp(48px,6vw,80px) 0 clamp(64px,7vw,110px)}
.row{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:28px var(--gutter);align-items:center}
.row:nth-child(even) .row-media{order:2}
.row:nth-child(even) .row-body{order:1;padding-left:clamp(0px,4vw,64px)}
.row:nth-child(odd) .row-body{padding-right:clamp(0px,4vw,64px)}
.row-media{position:relative;max-width:640px}
.row-media .frame{aspect-ratio:3/2}
.row-n{position:absolute;left:-6px;top:-22px;z-index:1;font:800 clamp(52px,5.4vw,84px)/1 var(--head);letter-spacing:-.03em;color:var(--paper);text-shadow:0 2px 24px rgba(8,14,20,.55);will-change:transform}
.row-body .eyebrow{margin-bottom:12px;color:var(--vert-text)}
.row-body h3{font-size:clamp(26px,3vw,42px);line-height:1.04;letter-spacing:-.015em;margin-bottom:16px;text-wrap:balance}
.row-body p:not(.eyebrow){color:var(--muted);max-width:44ch;margin-bottom:20px}
.row-body ul{display:flex;flex-wrap:wrap;gap:6px 14px;margin:0 0 24px;font-size:14px}
.row-body ul li{padding:5px 0;border-bottom:1px solid var(--ocre)}
@media (max-width:899px){.row{grid-template-columns:1fr;gap:20px}.row:nth-child(even) .row-media{order:0}.row:nth-child(even) .row-body{order:0;padding-left:0}.row:nth-child(odd) .row-body{padding-right:0}.row-media{max-width:none}}

/* services : douze services en deux colonnes inégales, trois blocs, intermodal */
.svc{padding:clamp(48px,6vw,88px) 0 clamp(16px,2vw,32px)}
.svc-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:40px var(--gutter);align-items:start}
.svc-text{position:sticky;top:110px}
.svc-text .note{margin-top:22px}
.svc-text .fig{margin-top:36px;max-width:420px}
.svc-text .fig .frame{aspect-ratio:4/5}
.svc-text figcaption{margin-top:10px;font-size:14px;color:var(--muted)}
.steps--paper .steps-line{background:var(--line)}
.steps--paper .step{border-bottom-color:var(--line)}
.steps--paper .step-n{background:var(--paper);color:rgba(18,24,21,.35)}
.steps--paper .step p{color:var(--muted)}
.steps--paper .step.is-on .step-n,html:not(.js) .steps--paper .step-n,.no-anim .steps--paper .step-n{color:var(--vert-text)}
.steps--paper .steps-line span{background:var(--vert)}
@media (max-width:899px){.svc-grid{grid-template-columns:1fr}.svc-text{position:static}}
.blocs{background:var(--paper-deep);padding:clamp(48px,6vw,80px) 0 clamp(56px,6vw,96px)}
.blocs-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:clamp(14px,1.8vw,26px);align-items:start}
.bloc{padding:clamp(24px,2.6vw,36px);display:grid;gap:12px;align-content:start}
.bloc .eyebrow{margin-bottom:2px}
.bloc h3{font-size:clamp(22px,2vw,30px);line-height:1.1;letter-spacing:-.01em}
.bloc p{color:var(--muted);font-size:15.5px;max-width:40ch}
.bloc-lead{grid-column:span 7;background:var(--ink-2);color:var(--paper);min-height:320px}
.bloc-lead .eyebrow{color:var(--ocre-soft)}
.bloc-lead p{color:var(--paper-dim)}
.bloc-lead .big-num{font:800 clamp(56px,6vw,96px)/1 var(--head);letter-spacing:-.03em;color:var(--ocre-soft);margin:8px 0 4px}
.bloc-lead .big-num small{font-size:.4em;font-weight:600;letter-spacing:0;color:var(--paper)}
.bloc-alt{grid-column:span 5;background:var(--paper);border:1px solid var(--line)}
.bloc-vert{grid-column:span 5;background:var(--vert-deep);color:var(--paper);border:0}
.bloc-vert .eyebrow{color:var(--ocre-soft)}
.bloc-vert p{color:var(--paper-dim)}
.bloc-list{grid-column:span 7;background:var(--paper);border:1px solid var(--line)}
.bloc-list ul{display:grid;grid-template-columns:1fr 1fr;gap:8px 20px;margin-top:6px}
.bloc-list li{padding:9px 0;border-bottom:1px solid var(--line);font-size:15.5px;font-weight:500}
@media (max-width:899px){.bloc-lead,.bloc-alt,.bloc-vert,.bloc-list{grid-column:1/-1;min-height:0}}
@media (max-width:599px){.bloc-list ul{grid-template-columns:1fr}}

/* équipements : quatre entrées, barres de capacité */
.caps{padding:clamp(48px,6vw,88px) 0 clamp(24px,3vw,48px)}
.caps-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:40px var(--gutter);align-items:end}
.bars{display:grid;gap:22px}
.bar{display:grid;grid-template-columns:minmax(150px,2fr) minmax(0,7fr) auto;gap:14px;align-items:center}
.bar dt{font:600 12px/1.4 var(--body);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.bar .bar-track{height:14px;background:var(--paper-deep);overflow:hidden}
.bar .bar-track span{display:block;height:100%;background:var(--vert);transform:scaleX(0);transform-origin:left;transition:transform 1.4s var(--ease-out)}
.bar dd{font:800 clamp(22px,2.2vw,34px)/1 var(--head);letter-spacing:-.02em;font-variant-numeric:tabular-nums;min-width:4.2ch;text-align:right}
.bar dd small{font-size:.56em;font-weight:600;letter-spacing:0;color:var(--muted)}
.bars.is-in .bar-track span,html:not(.js) .bar-track span,.no-anim .bar-track span{transform:scaleX(var(--w))}
.bars-note{margin-top:18px;font-size:14px;color:var(--muted);max-width:60ch}
@media (max-width:899px){.caps-grid{grid-template-columns:1fr}}
@media (max-width:599px){.bar{grid-template-columns:1fr auto;gap:8px 14px}.bar .bar-track{grid-column:1/-1}}
.gear{padding:clamp(40px,5vw,72px) 0 clamp(56px,6vw,96px);display:grid;gap:clamp(40px,5vw,80px)}
.gear-item{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:28px var(--gutter);align-items:center}
.gear-item:nth-child(even) .gear-media{order:2}
.gear-item:nth-child(even) .gear-body{order:1;padding-left:clamp(0px,4vw,64px)}
.gear-item:nth-child(odd) .gear-body{padding-right:clamp(0px,4vw,64px)}
.gear-media{max-width:660px}
.gear-media .frame{aspect-ratio:3/2}
.gear-media figcaption{margin-top:12px;font-size:14px;color:var(--muted)}
.gear-body .eyebrow{margin-bottom:12px;color:var(--vert-text)}
.gear-body h3{font-size:clamp(26px,3vw,42px);line-height:1.04;letter-spacing:-.015em;margin-bottom:16px;text-wrap:balance}
.gear-body p{color:var(--muted);max-width:46ch;margin-bottom:16px}
.gear-body blockquote{margin:20px 0 0;padding-left:18px;border-left:2px solid var(--ocre);font:600 clamp(17px,1.3vw,20px)/1.4 var(--head);max-width:34ch}
.gear-body .panel-spec{margin:18px 0 0}
@media (max-width:899px){.gear-item{grid-template-columns:1fr;gap:20px}.gear-item:nth-child(even) .gear-media{order:0}.gear-item:nth-child(even) .gear-body{order:0;padding-left:0}.gear-item:nth-child(odd) .gear-body{padding-right:0}.gear-media{max-width:none}}

/* étude de cas : le contexte en chiffres, puis la story (une photo par écran, cadre collant CSS, aucun pin) */
.cas-intro{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:40px var(--gutter);align-items:start;padding:clamp(48px,6vw,88px) 0 clamp(24px,3vw,48px)}
.cas-intro .lede{max-width:56ch;margin-top:0}
.cas-intro .lede+.lede{margin-top:18px}
.cas-facts{display:grid;grid-template-columns:1fr 1fr;gap:20px 24px}
.cas-facts div{display:grid;gap:4px;padding-top:12px;border-top:2px solid var(--ocre)}
.cas-facts dt{font:600 12px/1.4 var(--body);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.cas-facts dd{font:800 clamp(26px,2.6vw,40px)/1 var(--head);letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.cas-facts dd small{font-size:.5em;font-weight:600;letter-spacing:0;color:var(--muted)}
@media (max-width:899px){.cas-intro{grid-template-columns:1fr}}
.story-sec{padding-bottom:clamp(24px,3vw,48px)}
.story{--fh:min(80vh,44vw);--n:5;display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);grid-template-rows:repeat(var(--n),minmax(100vh,auto));column-gap:clamp(28px,4vw,72px);align-items:start}
.story-fig{grid-column:1;position:sticky;top:calc((100vh - var(--fh))/2);height:var(--fh);overflow:hidden;background:var(--paper-deep);will-change:transform}
.story-fig img{width:100%;height:100%;object-fit:cover;transform-origin:center}
.story-veil{position:absolute;inset:0;background:var(--ink);opacity:0;pointer-events:none}
.story-fig:nth-of-type(1){grid-row:1/-1}.story-fig:nth-of-type(2){grid-row:2/-1}.story-fig:nth-of-type(3){grid-row:3/-1}.story-fig:nth-of-type(4){grid-row:4/-1}
.story-fig:nth-of-type(5){grid-row:5/-1}.story-fig:nth-of-type(6){grid-row:6/-1}.story-fig:nth-of-type(7){grid-row:7/-1}.story-fig:nth-of-type(8){grid-row:8/-1}
.story-step{grid-column:2;min-height:100vh;display:flex;flex-direction:column;justify-content:center;padding:12vh 0}
.story-step:nth-of-type(1){grid-row:1}.story-step:nth-of-type(2){grid-row:2}.story-step:nth-of-type(3){grid-row:3}.story-step:nth-of-type(4){grid-row:4}
.story-step:nth-of-type(5){grid-row:5}.story-step:nth-of-type(6){grid-row:6}.story-step:nth-of-type(7){grid-row:7}.story-step:nth-of-type(8){grid-row:8}
.story-index{font:500 13px/1 var(--body);letter-spacing:.14em;color:var(--ink);margin-bottom:clamp(28px,4vh,44px)}
.story-index span{opacity:.45;margin-left:.35em}
.story-step .eyebrow{margin-bottom:14px}
.story-step h3{font:700 clamp(30px,3.2vw,52px)/1.04 var(--head);letter-spacing:-.015em;margin-bottom:20px}
.story-text{font:400 var(--t-lede)/1.55 var(--body);color:var(--muted);max-width:38ch}
.story-text+.story-text{margin-top:14px}
@media (max-width:899px){
  .story{--fh:auto;grid-template-columns:1fr;grid-template-rows:none;row-gap:0}
  .story-fig,.story-step{grid-column:1}
  .story-fig:nth-of-type(n){grid-row:auto;position:static;height:auto;aspect-ratio:4/3}
  .story-step:nth-of-type(n){grid-row:auto;min-height:0;padding:28px 0 56px}
  .story-step h3{font-size:clamp(28px,8vw,40px)}
}
.detail{padding:0 0 clamp(64px,7vw,110px)}
.detail-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:32px var(--gutter);align-items:center}
.detail-grid .frame{aspect-ratio:3/2}
.detail-grid figcaption{margin-top:12px;font-size:14px;color:var(--muted)}
.detail-grid .note{max-width:36ch}
.detail-grid .small{margin-top:16px;max-width:44ch}
@media (max-width:899px){.detail-grid{grid-template-columns:1fr}}

/* à propos : trois exigences sur fond sombre, la flotte */
.about{padding:clamp(48px,6vw,88px) 0 clamp(56px,6vw,96px)}
.about-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:40px var(--gutter);align-items:start}
.about-grid .lede{max-width:58ch;margin-top:0}
.about-grid .lede+.lede{margin-top:20px}
.about-side{display:grid;gap:22px;position:sticky;top:110px}
.about-side .frame{aspect-ratio:3/2}
.about-side figcaption{margin-top:10px;font-size:14px;color:var(--muted)}
@media (max-width:899px){.about-grid{grid-template-columns:1fr}.about-side{position:static}.about-side .frame{max-width:none}}
.exig-sec{padding:clamp(64px,7vw,110px) 0 clamp(56px,6vw,96px)}
.exig-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:40px var(--gutter);align-items:start}
.exig-fig{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:20px var(--gutter);align-items:end;margin-top:clamp(40px,5vw,72px)}
.exig-fig .frame{aspect-ratio:2/1}
.exig-fig figcaption{font-size:14px;color:var(--paper-dim);padding-bottom:6px}
.exig-grid .exig{margin-top:0}
.dark .exig li::before{background:var(--line-dark)}
.dark .exig li::after{background:var(--ocre-soft)}
.dark .exig li span{color:var(--paper-dim)}
@media (max-width:899px){.exig-grid,.exig-fig{grid-template-columns:1fr}.exig-fig .frame{aspect-ratio:3/2}}

/* contact : trois cartes, la photo, l'itinéraire */
.contact{padding:clamp(48px,6vw,88px) 0 clamp(64px,7vw,110px)}
.contact-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:40px var(--gutter);align-items:start}
.cards{display:grid;grid-template-columns:1fr 1fr;gap:clamp(14px,1.8vw,26px)}
.card{padding:clamp(22px,2.4vw,32px);border:1px solid var(--line);display:grid;gap:8px;align-content:start}
.card .eyebrow{margin-bottom:6px}
.card-dark{background:var(--ink-2);color:var(--paper);border-color:transparent;grid-column:1/-1}
.card-dark .eyebrow{color:var(--ocre-soft)}
.card-deep{background:var(--paper-deep);border-color:transparent}
.card p{color:var(--muted);font-size:15.5px}
.card-dark p{color:var(--paper-dim)}
.card a{color:inherit;text-decoration:none;font-weight:600;position:relative}
.card a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;background:var(--ocre);transform:scaleX(.3);transform-origin:left;transition:transform .45s var(--ease-out)}
.card a:hover::after,.card a:focus-visible::after{transform:scaleX(1)}
.big-line{font:800 clamp(24px,2.5vw,36px)/1.1 var(--head);letter-spacing:-.015em}
.big-line a{color:inherit}
.card address{font-style:normal;color:var(--ink);line-height:1.55}
.card-dark address{color:var(--paper)}
.contact-side{display:grid;gap:22px}
.contact-side .frame{aspect-ratio:16/9;max-width:520px}
.contact-side figcaption{margin-top:10px;font-size:14px;color:var(--muted)}
.contact-note{padding:22px 0 0;border-top:2px solid var(--ocre);display:grid;gap:12px}
.contact-note p{color:var(--muted);font-size:15.5px}
@media (max-width:899px){.contact-grid{grid-template-columns:1fr}.contact-side .frame{max-width:none;aspect-ratio:3/2}}
@media (max-width:599px){.cards{grid-template-columns:1fr}}

/* appel final des pages intérieures : deux colonnes, sans fond photo */
.cta-int{padding:clamp(64px,7vw,100px) 0 clamp(72px,8vw,110px)}
.cta-int .display{font-size:clamp(36px,5.2vw,78px)}
.cta-int .cta-inner{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:40px var(--gutter);align-items:start;max-width:none}
.cta-direct{display:grid;gap:18px;align-content:start;padding:8px 0 0 clamp(20px,2.5vw,36px);border-left:1px solid var(--line-dark);margin-top:6px}
.cta-direct dt{font:600 12px/1.5 var(--body);letter-spacing:.14em;text-transform:uppercase;color:var(--ocre-soft);margin-bottom:4px}
.cta-direct dd{margin:0;color:var(--paper-dim);font-size:16px}
.cta-direct dd a{color:var(--paper);text-decoration:none;font-weight:600;border-bottom:1px solid var(--ocre)}
.cta-direct dd a:hover,.cta-direct dd a:focus-visible{border-bottom-color:var(--paper)}
@media (max-width:899px){.cta-int .cta-inner{grid-template-columns:1fr}.cta-direct{border-left:0;padding-left:0;border-top:1px solid var(--line-dark);padding-top:22px}}

/* états de départ du motion : seulement quand le JS est là ET que le mouvement est permis */
.js:not(.no-anim) [data-reveal]{opacity:0;transform:translateY(24px)}
.js:not(.no-anim) [data-intro]{opacity:0;transform:translateY(18px)}
.js:not(.no-anim) [data-nav]{opacity:0}
.js:not(.no-anim) .mask>span{transform:translateY(110%)}
.js.no-anim [data-reveal],.js.no-anim [data-intro],.js.no-anim [data-nav],.js.no-anim .mask>span{opacity:1;transform:none;transition:opacity .5s var(--ease),transform .5s var(--ease)}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .scroll-cue i::after{animation:none;transform:none}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
}