/* commun.css : socle partagé des pages d'offload-agency.com (accueil, études de cas, contact).
   Système unique : DESIGN.md (Archivo, bleu nuit #121A2F, bleu #4B63FF, brique, boutons à coins de 10 px).
   Chaque page charge ce fichier, puis anime.css, puis n'ajoute que son style propre. */

:root{
--navy:#121A2F;--navy-2:#1B2541;--navy-3:#243052;--navy-ink:#B9C1D6;
--paper:#FFFFFF;--soft:#F3F4F8;--line:#E3E5EE;--line-2:#CDD1DE;--app-bg:#F7F8FB;
--ink-2:#4A5068;--ink-3:#666C84;
--blue:#4B63FF;--blue-dark:#3449E6;--blue-tint:#E8EBFF;--blue-wash:#F4F6FF;
--green:#1F9D62;--green-ink:#146C43;--green-tint:#E3F5EC;
--amber:#C2561B;--amber-ink:#9A4413;--amber-tint:#FBEBDD;
--red:#B42318;--grey-dot:#9AA3BD;--mark:#FFF1B8;
--brick:4px 14px 4px 4px;
--gut:24px;--sec:80px;--nav-h:72px;
--shadow-win:0 1px 2px rgba(18,26,47,.06),0 12px 24px -8px rgba(18,26,47,.14),0 40px 80px -24px rgba(18,26,47,.30);
--shadow-carte:0 1px 2px rgba(18,26,47,.05),0 14px 30px -16px rgba(18,26,47,.24);
}

/* base */
*,*::before,*::after{box-sizing:border-box}
html{scroll-padding-top:84px;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
body{margin:0;background:var(--paper);color:var(--navy);font-family:"Archivo",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;font-size:17px;line-height:1.65;font-weight:400;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;overflow-x:hidden}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0}
ul,ol{padding:0;list-style:none}
img,svg{display:block}
img{max-width:100%;height:auto}
a{color:inherit}
b,strong{font-weight:700}
mark.todo{background:var(--mark);color:var(--navy);font-weight:600;padding:1px 6px;border-radius:4px;-webkit-box-decoration-break:clone;box-decoration-break:clone}
:focus-visible{outline:3px solid var(--blue);outline-offset:3px;border-radius:6px}
.on-dark :focus-visible,.final :focus-visible{outline-color:#fff}
section[id],main{scroll-margin-top:84px}
.i{fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;width:16px;height:16px;flex:none}
.skip{position:absolute;left:16px;top:-120px;z-index:100;background:var(--navy);color:#fff;padding:12px 18px;border-radius:10px;font-weight:600;text-decoration:none}
.skip:focus{top:calc(12px + env(safe-area-inset-top,0px))}
.wrap{max-width:calc(1200px + 2 * var(--gut));margin:0 auto;padding-inline:var(--gut)}
.brick{display:inline-block;flex:none;width:12px;height:12px;background:var(--blue);border-radius:2px 7px 2px 2px}
.visuel-masque{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* boutons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:52px;padding:0 24px;border-radius:10px;border:1px solid transparent;font:inherit;font-size:16px;font-weight:700;line-height:1;text-decoration:none;white-space:nowrap;cursor:pointer;transition:background-color 150ms,border-color 150ms,color 150ms}
.btn .i{width:18px;height:18px}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-dark)}
.btn-ghost{background:transparent;color:var(--navy);border-color:var(--line-2)}
.btn-ghost:hover{border-color:var(--navy);background:#fff}
.btn-ghost-dark{color:#fff;border-color:rgba(255,255,255,.25)}
.btn-ghost-dark:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.45)}
.btn-white{background:#fff;color:var(--navy)}
.btn-white:hover{background:var(--blue-tint)}
.lien{display:inline-flex;align-items:center;gap:8px;min-height:44px;font-weight:700;color:var(--blue-dark);text-decoration:none}
.lien:hover{text-decoration:underline;text-underline-offset:4px}
.lien .i{width:17px;height:17px;transition:transform 150ms}
.lien:hover .i{transform:translateX(3px)}

/* barre de navigation */
.nav{position:sticky;top:0;z-index:50;padding-top:env(safe-area-inset-top,0px);background:rgba(255,255,255,.95);-webkit-backdrop-filter:saturate(1.4) blur(10px);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;gap:28px;height:var(--nav-h)}
.nav-logo{display:inline-flex;align-items:center;min-height:44px;flex:none}
.nav-logo img{height:40px;width:auto}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:auto}
.nav-links a{display:inline-flex;align-items:center;min-height:44px;font-size:15px;font-weight:500;color:var(--ink-2);text-decoration:none;transition:color 150ms}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--navy)}
.nav-links a[aria-current="page"]{font-weight:700}
.nav-cta.btn{height:44px;padding:0 18px;font-size:15px}
.nav-menu{display:none;align-items:center;justify-content:center;flex:none;width:44px;height:44px;padding:0;border:1px solid var(--line-2);border-radius:10px;background:#fff;color:var(--navy);cursor:pointer}
.nav-menu .i{width:20px;height:20px}
.nav-menu .i-fermer,.nav-menu[aria-expanded="true"] .i-ouvrir{display:none}
.nav-menu[aria-expanded="true"] .i-fermer{display:block}

/* typographie */
h1,h2{font-weight:800;letter-spacing:-0.03em;color:var(--navy)}
h1{font-size:clamp(40px,5.6vw,68px);line-height:1.04}
h2{font-size:clamp(30px,3.8vw,46px);line-height:1.1}
h3{font-size:21px;font-weight:700;line-height:1.3;letter-spacing:-0.01em}
h4{font-size:20px;font-weight:800;line-height:1.25;letter-spacing:-0.02em}
.lead{font-size:19px;line-height:1.6;color:var(--ink-2)}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;line-height:1.4}
.eyebrow::before{content:"";width:12px;height:12px;background:var(--blue);border-radius:2px 7px 2px 2px;flex:none}
.on-dark{color:#fff}
.on-dark h1,.on-dark h2,.on-dark h3,.on-dark h4{color:#fff}
.on-dark .lead{color:var(--navy-ink)}
.on-dark .eyebrow{color:var(--navy-ink)}

/* sections */
.sec{padding-block:var(--sec)}
.soft{background:var(--soft)}
.bande{background:var(--navy)}
.head{max-width:780px;margin-bottom:44px}
.head .eyebrow + h2{margin-top:16px}
.head .lead{margin-top:16px}
.head-c{margin-inline:auto;text-align:center}

/* fenêtre d'application (écrans de démonstration) */
.win{position:relative;background:#fff;color:var(--navy);border-radius:14px;box-shadow:var(--shadow-win);overflow:hidden;text-align:left;font-size:14px;line-height:1.45;border:1px solid rgba(18,26,47,.08);margin:0}
.on-dark .win{border-color:rgba(255,255,255,.10)}
.win-bar{display:flex;align-items:center;gap:12px;height:44px;padding:0 18px;background:#EEF0F5;border-bottom:1px solid var(--line);font-size:13px;white-space:nowrap;color:var(--ink-2)}
.dots{display:flex;gap:7px;margin-right:6px}
.dots i{width:11px;height:11px;border-radius:50%;background:#D3D7E2}
.win-bar b{font-weight:700;color:var(--navy)}
.win-bar .sep{width:1px;height:14px;background:var(--line-2)}
.win-bar .t{color:var(--ink-2);overflow:hidden;text-overflow:ellipsis;min-width:0}
.win-foot{display:flex;align-items:center;gap:8px;padding:11px 18px;border-top:1px solid var(--line);background:#fff;font-size:13px;color:var(--ink-3)}
.win-foot .i{width:15px;height:15px}
.pill{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 10px;border-radius:999px;border:1px solid var(--line);background:var(--soft);font-size:13px;font-weight:600;color:var(--ink-2);white-space:nowrap;line-height:1}
.pill .i{width:13px;height:13px}
.pill.ok{background:var(--green-tint);border-color:transparent;color:var(--green-ink)}
.pill.warn{background:var(--amber-tint);border-color:transparent;color:var(--amber-ink)}
.pill.info{background:var(--blue-tint);border-color:transparent;color:var(--blue-dark)}
.pill.ok::before,.pill.warn::before,.pill.info::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;flex:none}
.src{background:var(--blue-tint);color:var(--navy);font-weight:600;padding:1px 5px;border-radius:4px;-webkit-box-decoration-break:clone;box-decoration-break:clone}
.src small{margin-left:6px;padding-left:6px;border-left:1px solid rgba(52,73,230,.30);font-size:12px;font-weight:600;color:var(--blue-dark)}

/* aperçu repliable des écrans (la limite ne s'applique qu'avec JavaScript) */
.apercu{position:relative}
.apercu-pied{display:none}
.js .apercu-corps{max-height:440px;overflow:hidden;margin-inline:calc(-1 * var(--gut));padding-inline:var(--gut);transition:max-height 520ms cubic-bezier(.22,.7,.2,1);-webkit-mask-image:linear-gradient(to bottom,#000 0,#000 calc(100% - 160px),transparent 100%);mask-image:linear-gradient(to bottom,#000 0,#000 calc(100% - 160px),transparent 100%)}
.js .apercu.ouvert .apercu-corps{-webkit-mask-image:none;mask-image:none}
.js .apercu-pied{display:flex;justify-content:center;position:absolute;left:0;right:0;bottom:24px;z-index:2;pointer-events:none}
.js .apercu.ouvert .apercu-pied{position:static;margin-top:28px}
.apercu-btn{pointer-events:auto;display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:0 22px;border-radius:10px;border:1px solid var(--line-2);background:#fff;color:var(--navy);font:inherit;font-size:16px;font-weight:700;line-height:1;cursor:pointer;box-shadow:0 1px 2px rgba(18,26,47,.08),0 10px 24px -8px rgba(18,26,47,.28);transition:background 150ms,border-color 150ms}
.apercu-btn:hover{background:var(--blue-wash);border-color:var(--blue)}
.apercu .apercu-btn:focus-visible{outline:3px solid var(--blue);outline-offset:3px;border-radius:10px}
.apercu-btn .i{width:18px;height:18px;transition:transform 300ms}
.apercu.ouvert .apercu-btn .i{transform:rotate(180deg)}

/* appel final */
.final{background:var(--blue);color:#fff}
.final-in{max-width:880px;text-align:center}
.final h2{color:#fff}
.final .lead{margin:20px auto 0;max-width:720px;color:rgba(255,255,255,.92)}
.final-act{display:flex;flex-direction:column;align-items:center;gap:14px;margin-top:32px}
.final-note{margin-top:20px;font-size:16px;color:rgba(255,255,255,.92)}
.final-note a{color:#fff;font-weight:700;text-underline-offset:4px}

/* pied de page */
.foot{background:var(--navy);padding-block:64px calc(40px + env(safe-area-inset-bottom,0px));color:var(--navy-ink);font-size:16px}
.f-top{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:48px;align-items:start}
.f-brand img{height:72px;width:auto}
.f-brand p{margin-top:18px;max-width:460px;line-height:1.6}
.f-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 24px}
.f-links a{display:inline-flex;align-items:center;min-height:44px;color:#fff;font-weight:500;text-decoration:none;transition:color 150ms}
.f-links a:hover{color:#C9D1FF;text-decoration:underline;text-underline-offset:4px}
.legal{margin-top:36px;padding-top:8px;border-top:1px solid rgba(255,255,255,.12)}
.legal summary{display:flex;align-items:center;gap:10px;min-height:48px;cursor:pointer;list-style:none;font-weight:700;color:#fff}
.legal summary::-webkit-details-marker{display:none}
.legal summary::marker{content:""}
.legal summary .i{width:18px;height:18px;transition:transform 150ms}
.legal[open] summary .i{transform:rotate(180deg)}
.legal dl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 48px;margin-top:12px;padding-bottom:8px}
.legal dt{font-weight:700;color:#fff}
.legal dd{margin-top:4px;line-height:1.6}

/* points de rupture communs */
@media (max-width:959px){
:root{--nav-h:64px}
.nav-in{gap:10px}
.nav-logo{margin-right:auto}
.nav-logo img{height:32px}
.nav-menu{display:inline-flex}
.nav-links{position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:0;margin:0;padding:6px var(--gut) 14px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 18px 30px -18px rgba(18,26,47,.30)}
.nav-links a{min-height:50px;border-top:1px solid var(--line);font-size:17px;color:var(--navy)}
.nav-links a:first-child{border-top:0}
.js .nav-links{display:none}
.js .nav.ouvert .nav-links{display:flex}
html:not(.js) .nav-menu{display:none}
html:not(.js) .nav-in{flex-wrap:wrap;height:auto;padding-block:10px}
html:not(.js) .nav-links{position:static;flex-direction:row;flex-wrap:wrap;width:100%;padding:0;gap:0 18px;border:0;box-shadow:none;background:none}
html:not(.js) .nav-links a{border:0;min-height:44px;font-size:15px}
.f-brand img{height:60px}
.f-top{grid-template-columns:minmax(0,1fr);gap:28px}
}
@media (max-width:760px){
:root{--gut:20px;--sec:56px}
.head{margin-bottom:30px}
.win-bar{padding:0 14px;gap:10px}
.dots{margin-right:2px}
.legal dl{grid-template-columns:minmax(0,1fr)}
.js .apercu-corps{max-height:520px}
}
@media (max-width:600px){
.lead{font-size:18px}
.f-links{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:420px){
.nav-logo img{height:28px}
.nav-cta.btn{height:44px;padding:0 12px;font-size:14px}
}
@media (prefers-reduced-motion:reduce){
*,*::before,*::after{transition:none!important;scroll-behavior:auto!important}
.js .apercu-corps{transition:none}
}

/* Écrans de démonstration (ecrans/*.html) : leurs titres gardent la couleur de leur propre charte, même posés dans une section sombre. */
[class^="ecran-"] h1,[class^="ecran-"] h2,[class^="ecran-"] h3,[class^="ecran-"] h4,
.on-dark [class^="ecran-"] h1,.on-dark [class^="ecran-"] h2,.on-dark [class^="ecran-"] h3,.on-dark [class^="ecran-"] h4{color:inherit}