:root{--paper:#F2F5F8;--surface:#fff;--ink:#10243B;--muted:#47586D;--link:#1A47C9;--heat:#F5A524;--water:#0B7A86;--line:#C5D0DC;--bar:#10243B;--focus:#1A47C9;--serif:Charter,"Bitstream Charter","Sitka Text",Cambria,Georgia,serif;--sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color-scheme:light dark}
@media(prefers-color-scheme:dark){:root{--paper:#0B1624;--surface:#132236;--ink:#E8EEF5;--muted:#A9B8CA;--link:#9DB8FF;--water:#4CC3CF;--line:#2B3D55;--focus:#F5A524}}
*,::before,::after{box-sizing:border-box}
html{scroll-padding-top:5rem;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:1.0625rem/1.65 var(--sans)}
h1,h2,h3{font-family:var(--serif);line-height:1.2;margin:2rem 0 .75rem;text-wrap:balance}
h1{font-size:clamp(1.9rem,4.6vw,3rem);margin-top:1rem;letter-spacing:-.01em}
h2{font-size:clamp(1.4rem,2.8vw,1.8rem);padding-top:.5rem;border-top:3px solid var(--heat);display:inline-block;padding-right:1.25rem}
h3{font-size:1.2rem}
p,ul,ol,dl{margin:0 0 1rem}
li{margin-bottom:.4rem}
a{color:var(--link);text-underline-offset:.2em}
a:hover{text-decoration-thickness:3px}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:2px}
.skip{position:absolute;left:.5rem;top:-4rem;background:var(--heat);color:#10243B;padding:.6rem 1rem;z-index:20;font-weight:700}
.skip:focus{top:.5rem}
main{max-width:56rem;margin:0 auto;padding:1rem 1.25rem 3rem}
main>:where(p,ul,ol,dl,h2,h3,figure,.tw){max-width:44rem}
main>.tw,main>figure,main>.cards,main>.essentiel,main>.hero{max-width:56rem}
main:focus{outline:none}
/* header */
.hd{background:var(--bar);color:#fff;border-bottom:4px solid var(--heat)}
.hd-in{max-width:72rem;margin:0 auto;padding:.5rem 1.25rem;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.5rem}
.brand{display:flex;align-items:center;gap:.6rem;color:#fff;font:700 1.5rem var(--serif);text-decoration:none;min-height:44px}
.logo{flex:none}
.nav-btn{display:none;background:transparent;color:#fff;border:2px solid #fff;border-radius:4px;padding:.5rem 1rem;font:inherit;min-height:44px;cursor:pointer}
.js .nav-btn{display:block}
nav ul{list-style:none;margin:0;padding:0}
#menu ul{display:flex;flex-wrap:wrap;gap:.25rem .5rem}
#menu li{margin:0}
#menu a{display:block;color:#fff;text-decoration:none;padding:.5rem .6rem;min-height:44px;font-weight:600;font-size:.95rem;border-bottom:3px solid transparent}
#menu a:hover,#menu a.on{border-bottom-color:var(--heat)}
#menu a[aria-current=page]{border-bottom-color:var(--heat);background:rgba(255,255,255,.12)}
.hd :focus-visible{outline-color:#fff}
@media(max-width:60rem){.js #menu{display:none;width:100%}.js #menu.open{display:block}.js #menu ul{flex-direction:column}}
@media(min-width:60rem){.hd{position:sticky;top:0;z-index:10}}
/* breadcrumb */
.bc ol{display:flex;flex-wrap:wrap;list-style:none;margin:1rem 0 0;padding:0;font-size:.9rem;color:var(--muted)}
.bc li{margin:0}.bc li+li::before{content:"/";margin:0 .5rem;color:var(--muted)}
.bc a{padding:.2rem 0;display:inline-block}
.lead{font:1.25rem/1.5 var(--serif);color:var(--muted);margin-bottom:1.5rem}
/* essentiel : la fiche */
.essentiel{background:var(--surface);border:2px solid var(--ink);padding:1rem 1.25rem .5rem;margin:1.5rem 0 2rem;box-shadow:8px 8px 0 var(--heat)}
.essentiel h2{border:0;padding:0;margin:0 0 .5rem;font-size:1.3rem;display:block}
.essentiel ul{padding-left:1.25rem}
/* tables */
.tw{overflow-x:auto;margin:1rem 0 .5rem;border:1px solid var(--line);background:var(--surface)}
table{border-collapse:collapse;width:100%;font-size:.95rem}
caption{text-align:left;font-weight:700;padding:.75rem;font-family:var(--serif)}
th,td{padding:.6rem .75rem;text-align:left;vertical-align:top;border-top:1px solid var(--line)}
thead th{background:var(--bar);color:#fff;border-top:0}
tbody th{font-weight:600}
.note{font-size:.875rem;color:var(--muted);margin:.25rem 0 1.25rem}
/* barres */
.bars{margin:1.25rem 0;background:var(--surface);border:1px solid var(--line);padding:1rem}
.bars figcaption{font:700 1.05rem var(--serif);margin-bottom:.75rem}
.bars ul{list-style:none;padding:0;margin:0}
.bars li{display:grid;grid-template-columns:minmax(6.5rem,11rem) 1fr 6.5rem;gap:.75rem;align-items:center;margin:0 0 .5rem;font-size:.95rem}
.bv{font-weight:700;text-align:right;white-space:nowrap}
progress{appearance:none;-webkit-appearance:none;width:100%;height:1.1rem;border:0;background:transparent}
progress::-webkit-progress-bar{background:var(--line);border-radius:2px}
progress::-moz-progress-bar{background:var(--c)}
progress::-webkit-progress-value{background:var(--c);border-radius:2px}
progress{--c:var(--heat);background:var(--line);border-radius:2px}
progress.water{--c:var(--water)}progress.ink{--c:var(--muted)}
@media(max-width:36rem){.bars li{grid-template-columns:1fr auto}.bars progress{grid-column:1/-1;grid-row:2}.bl{grid-row:1}.bv{grid-row:1}}
/* cartes */
.cards{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));gap:1rem}
.cards.one{grid-template-columns:1fr}
.cards li{position:relative;background:var(--surface);border:1px solid var(--line);border-left:6px solid var(--heat);padding:.9rem 1rem;margin:0}
.cards h3{margin:0 0 .4rem;font-size:1.1rem}
.cards p{margin:0;font-size:.95rem;color:var(--muted)}
.related .cards h3 a::after{content:"";position:absolute;inset:0}
.related .cards li:hover{border-left-color:var(--link)}
/* hero */
.hero{display:grid;gap:2rem;margin:1rem 0 2rem;align-items:start}
@media(min-width:56rem){.hero{grid-template-columns:1.1fr .9fr}}
.hero .bars{margin:0}
.hero .bars li{grid-template-columns:minmax(6rem,9rem) 1fr 5rem;font-size:.875rem}
.btn{display:inline-block;background:var(--ink);color:var(--paper);padding:.75rem 1.25rem;font-weight:700;text-decoration:none;border:2px solid var(--ink);min-height:44px;margin:0 .5rem .5rem 0}
.btn.alt{background:transparent;color:var(--ink)}
.btn:hover{background:var(--heat);color:#10243B;border-color:var(--heat)}
.gl dt{font:700 1.1rem var(--serif);margin-top:1.25rem}.gl dd{margin:.25rem 0 0}
.tree ul{margin-top:.4rem}
.upd{font-size:.875rem;color:var(--muted);margin-top:2rem}
.related{margin-top:2.5rem}
/* footer */
.ft{background:var(--bar);color:#E8EEF5;border-top:4px solid var(--heat);font-size:.95rem}
.ft a{color:#fff}
.ft-in{max-width:72rem;margin:0 auto;padding:1.5rem 1.25rem;display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(14rem,1fr))}
.ft ul{list-style:none;padding:0;margin:0}.ft li a{display:inline-block;padding:.3rem 0}
.ft-t{font:700 1.1rem var(--serif);margin:0 0 .5rem}
.ft-c{max-width:72rem;margin:0 auto;padding:0 1.25rem 1.5rem;color:#C5D0DC}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
@media print{.hd,.ft,.skip,.related{display:none}body{background:#fff;color:#000}.essentiel{box-shadow:none}}
/* calculateur */
.calc{background:var(--surface);border:2px solid var(--ink);padding:1rem 1.25rem;margin:2rem 0}
.calc h2{border:0;padding:0;margin-top:0;display:block}
.calc-grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr))}
fieldset{border:1px solid var(--line);padding:.75rem 1rem;margin:0}
legend{font:700 1.05rem var(--serif);padding:0 .4rem}
label{display:block;font-size:.9rem;margin:.5rem 0 .2rem}
input{width:100%;min-height:44px;padding:.4rem .6rem;font:inherit;color:var(--ink);background:var(--paper);border:2px solid var(--line);border-radius:2px}
input:focus-visible{border-color:var(--focus)}
#calc-out{margin-top:1rem}

/* visualisations */
:root{--heatd:#A85F00;--on:#fff;--band:#E6EDF4}
@media(prefers-color-scheme:dark){:root{--heatd:#F5A524;--on:#0B1624;--band:#1B2E46}}
.viz{margin:1.5rem 0;background:var(--surface);border:1px solid var(--line);padding:1rem;max-width:56rem}
.viz figcaption{font:700 1.05rem var(--serif);margin-bottom:.6rem}
.viz svg{display:block;width:100%;height:auto;max-width:44rem;margin:0 auto}
.viz text{font:14px var(--sans);fill:var(--ink)}
.viz .ts{font-size:12.5px}.viz .tb{font-weight:700}.viz .tm{fill:var(--muted)}.viz .to{fill:var(--on)}.viz .tk{fill:#10243B}.viz .dk{fill:#10243B}.viz .lt{fill:#fff}
.f-ink{fill:var(--ink)}.f-heat{fill:var(--heat)}.f-water{fill:var(--water)}.f-link{fill:var(--link)}.f-muted{fill:var(--muted)}.f-line{fill:var(--line)}.f-band{fill:var(--band)}.f-surf{fill:var(--surface)}
.f-k1{fill:#D4E6F7}.f-k2{fill:#A9CBEB}.f-k3{fill:#7CA9D9}.f-k4{fill:#4F7FBF}.f-k5{fill:#2D5A98}.f-k6{fill:#12386E}
.s-ink{stroke:var(--ink)}.s-heat{stroke:var(--heatd)}.s-water{stroke:var(--water)}.s-muted{stroke:var(--muted)}.s-line{stroke:var(--line)}.s-link{stroke:var(--link)}
.dd{margin-top:.5rem;font-size:.9rem}.dd summary{cursor:pointer;color:var(--link);min-height:24px}.dd .tw{margin-top:.5rem}
.lmap{display:grid;gap:.75rem;grid-template-columns:repeat(auto-fit,minmax(13rem,1fr))}
.lcol{border-top:6px solid var(--ink);background:var(--paper);padding:.5rem .75rem}.lc2{border-top-color:var(--water)}.lc3{border-top-color:var(--heat)}
.lt{font:700 1.05rem var(--serif);margin:.2rem 0 .5rem}.lcol ul{list-style:none;margin:0;padding:0}.lcol li{margin:0 0 .6rem;font-size:.92rem}
.ln{display:inline-block;min-width:1.5rem;height:1.5rem;line-height:1.5rem;text-align:center;border-radius:50%;background:var(--ink);color:var(--paper);font-weight:700;font-size:.8rem;margin-right:.4rem}
.lbase{grid-column:1/-1;border:2px solid var(--ink);padding:.5rem .75rem;font-size:.95rem}
main>.viz{max-width:56rem}
.hero .viz{margin:0}

@media(max-width:36rem){.viz text{font-size:15.5px}.viz .ts{font-size:13.5px}.viz{padding:.75rem}}