:root{--ink-rgb:31, 29, 25;--paper-rgb:246, 243, 239;--cool-rgb:228, 220, 203;--sheen-rgb:255, 253, 249;--paper:rgb(var(--paper-rgb));--paper-cool:rgb(var(--cool-rgb));--ink:rgb(var(--ink-rgb));--ink-70:#57534b;--ink-45:#8c877c;--ink-25:#bcb7ac;--glass-top:rgba(var(--sheen-rgb), .58);--glass-bot:rgba(var(--sheen-rgb), .22);--glass-edge:rgba(var(--sheen-rgb), .65);--glass-cast:0 24px 48px -30px rgba(var(--ink-rgb), .45);--line:rgba(var(--ink-rgb), .11);--line-firm:rgba(var(--ink-rgb), .28);--sans:"Archivo", "Helvetica Neue", Helvetica, Arial, sans-serif;--mono:"IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;--gutter:clamp(1.25rem, 4vw, 3.5rem);--measure:1440px;--section-y:clamp(6rem, 13vh, 11rem);--radius:14px;--ease:cubic-bezier(.2, .75, .2, 1)}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:6rem}html.etude-ouverte{scroll-behavior:auto;overflow:hidden}body{background:var(--paper);color:var(--ink);font-family:var(--sans);letter-spacing:-.005em;-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;margin:0;font-size:1.0625rem;font-weight:300;line-height:1.55}h1,h2,h3,h4,p,figure,blockquote{margin:0}ul,ol{margin:0;padding:0;list-style:none}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button{font:inherit;color:inherit}:focus-visible{outline:2px solid var(--ink);outline-offset:3px;border-radius:3px}.t-display{letter-spacing:-.045em;font-size:clamp(3rem,12.2vw,11rem);font-weight:800;line-height:.86}.t-section{letter-spacing:-.035em;font-size:clamp(2rem,4.4vw,3.5rem);font-weight:700;line-height:1.02}.t-lead{letter-spacing:-.01em;font-size:clamp(1.25rem,2.1vw,1.75rem);font-weight:300;line-height:1.32}.t-body{max-width:46ch;color:var(--ink-70)}.t-label{font-family:var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--ink-45);font-size:.6875rem;font-weight:500}.wrap{width:100%;max-width:var(--measure);padding-inline:var(--gutter);margin-inline:auto}.section{padding-block:var(--section-y);position:relative}.section--cool{background:var(--paper-cool)}.section--ink{background:var(--ink);color:var(--paper)}.section-head{flex-direction:column;gap:1.5rem;margin-bottom:clamp(3rem,6vw,5.5rem);display:flex}.onglet{background:var(--panneau);border-radius:16px 16px 0 0;position:relative}.onglet:after{content:"";width:var(--creux,22px);height:var(--creux,22px);background:radial-gradient(circle at 100% 0, transparent var(--creux,22px), var(--panneau) calc(var(--creux,22px) + .5px));position:absolute;bottom:0;left:100%}.croix{min-width:44px;min-height:44px;font-family:var(--sans);letter-spacing:-.04em;color:var(--croix,currentColor);cursor:pointer;transition:color .3s var(--ease);background:0 0;border:0;place-items:center;padding:0;font-size:clamp(1.75rem,3vw,2.4rem);font-weight:800;line-height:.72;display:grid}.croix:hover{color:var(--croix-vive,var(--croix,currentColor))}.croix:focus-visible{outline:2px solid var(--croix-vive,currentColor);outline-offset:2px}.glass{border-radius:var(--radius);background:linear-gradient(165deg, var(--glass-top), var(--glass-bot));border:1px solid var(--glass-edge);box-shadow:inset 0 1px 0 rgba(var(--sheen-rgb), .75), var(--glass-cast);backdrop-filter:blur(18px)saturate(1.25);transition:transform .55s var(--ease), box-shadow .55s var(--ease), border-color .55s var(--ease), backdrop-filter .55s var(--ease);position:relative}.glass:hover,.glass:focus-within{border-color:rgba(var(--sheen-rgb), .9);box-shadow:inset 0 1px 0 rgba(var(--sheen-rgb), .9), 0 34px 60px -32px rgba(var(--ink-rgb), .5);backdrop-filter:blur(30px)saturate(1.5);transform:translateY(-5px)}.ambient{pointer-events:none;-webkit-mask-composite:source-in;position:absolute;inset:0;overflow:hidden;-webkit-mask-image:linear-gradient(#0000,#000 20% 80%,#0000),linear-gradient(90deg,#0000,#000 14% 86%,#0000);mask-image:linear-gradient(#0000,#000 20% 80%,#0000),linear-gradient(90deg,#0000,#000 14% 86%,#0000);mask-composite:intersect}.ambient:before,.ambient:after{content:"";filter:blur(70px);border-radius:50%;position:absolute}.ambient:before{background:radial-gradient(circle, rgba(var(--ink-rgb), .1), transparent 70%);width:46vw;height:46vw;top:-12%;left:4%}.ambient:after{background:radial-gradient(circle, rgba(var(--ink-rgb), .07), transparent 70%);width:38vw;height:38vw;bottom:-14%;right:2%}.btn{background:var(--ink);color:var(--paper);letter-spacing:-.01em;cursor:pointer;transition:transform .4s var(--ease), opacity .4s var(--ease);border:1px solid #0000;border-radius:999px;align-items:center;gap:.75rem;padding:.75rem 1.4rem;font-size:.9375rem;font-weight:400;display:inline-flex}.btn:hover{opacity:.88;transform:translateY(-2px)}.btn--ghost{color:var(--ink);border-color:var(--line-firm);background:0 0}.btn--ghost:hover{background:rgba(var(--sheen-rgb), .55);opacity:1}.btn__arrow{transition:transform .4s var(--ease)}.btn:hover .btn__arrow{transform:translate(2px,-2px)}.ph{color:var(--ink-45);border-bottom:1px dashed rgba(var(--ink-rgb), .18);font-style:normal}.ph-block{border:1px dashed var(--ink-25);border-radius:var(--radius);background:rgba(var(--sheen-rgb), .3);min-height:12rem;color:var(--ink-45);letter-spacing:.04em;text-align:center;place-items:center;padding:1rem;font-size:.8125rem;display:grid}.reveal{opacity:0;transition:opacity .8s var(--ease), transform .8s var(--ease);transform:translateY(18px)}.reveal.is-in{opacity:1;transform:none}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important}.reveal{opacity:1;transform:none}}.skip[data-astro-cid-hkbrpulz]{z-index:100;background:var(--ink);color:var(--paper);padding:.75rem 1.25rem;position:absolute;top:0;left:-9999px}.skip[data-astro-cid-hkbrpulz]:focus{top:1rem;left:1rem}