/* Facteurs CO2 — "la règle à calcul" */
@font-face{font-family:"Reddit Sans";src:url(/fonts/reddit-sans-latin-400-normal.woff2) format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Reddit Sans";src:url(/fonts/reddit-sans-latin-400-italic.woff2) format("woff2");font-weight:400;font-style:italic;font-display:swap}
@font-face{font-family:"Reddit Sans";src:url(/fonts/reddit-sans-latin-500-normal.woff2) format("woff2");font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:"Reddit Sans";src:url(/fonts/reddit-sans-latin-700-normal.woff2) format("woff2");font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:"Cormorant Garamond";src:url(/fonts/cormorant-garamond-latin-600-normal.woff2) format("woff2");font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:"Cormorant Garamond";src:url(/fonts/cormorant-garamond-latin-600-italic.woff2) format("woff2");font-weight:600;font-style:italic;font-display:swap}
@font-face{font-family:"Cormorant Garamond";src:url(/fonts/cormorant-garamond-latin-500-italic.woff2) format("woff2");font-weight:500;font-style:italic;font-display:swap}
:root{
  --paper:#F6F6F2;--white:#FFFFFF;--ink:#15181C;--ink2:#3F4750;--mute:#646C76;--line:#D6D9D1;--line2:#E7E9E3;
  --band:#ECEEE7;--red:#D2381E;--red-ink:#A3270F;--steel:#2C5A78;--steel2:#9DB3C3;--green:#2E7A57;--hl:#FBF0D2;
  --sans:"Reddit Sans",system-ui,-apple-system,"Segoe UI",sans-serif;--serif:"Cormorant Garamond",Georgia,serif;
  --rail:248px;--r:6px
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.6 var(--sans);font-variant-numeric:tabular-nums}
sub{font-size:.72em;line-height:0;vertical-align:-.22em}
sup.ord{font-size:.66em;line-height:0;vertical-align:.5em;font-family:inherit}
a{color:var(--steel);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--red-ink)}
:focus-visible{outline:3px solid var(--red);outline-offset:2px;border-radius:2px}
.skip{position:absolute;left:-9999px;top:0}
.skip:focus{left:16px;top:12px;z-index:9;background:var(--white);padding:8px 12px}
h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.12;letter-spacing:-.005em;color:var(--ink);margin:0}
h1{font-size:clamp(2.1rem,1.4rem + 2.6vw,3.4rem)}
h2{font-size:clamp(1.55rem,1.25rem + 1vw,2rem);margin:0 0 12px}
p{margin:0 0 14px}
.mut{color:var(--mute)}
.num{font-weight:500}

/* frame */
.frame{min-height:100vh}
.rail{background:var(--ink);color:#E9ECE6;position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;padding:10px 16px;gap:12px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;color:#F3F5F0;text-decoration:none;min-height:40px}
.brand .logo{width:30px;height:30px;flex:none}
.wordmark{font-family:var(--serif);font-weight:600;font-size:1.45rem;letter-spacing:.005em}
.menu-btn{font:500 15px var(--sans);color:#F3F5F0;background:transparent;border:1px solid #4B535C;border-radius:var(--r);padding:8px 14px;min-height:40px;cursor:pointer}
.js .menu{display:none;width:100%}
.js .menu.open{display:block}
.nojs .menu-btn{display:none}
.menu ul{list-style:none;margin:0;padding:0}
.nav-main a,.nav-themes a{display:block;color:#E9ECE6;text-decoration:none;padding:9px 0;min-height:40px}
.nav-main a{font-weight:500;font-size:1.02rem}
.nav-main a[aria-current]{color:#fff;box-shadow:inset 3px 0 0 var(--red);padding-left:10px}
.nav-h{margin:14px 0 2px;font-size:.88rem;color:#9AA3AB}
.nav-themes a{font-size:.95rem;color:#C8CEC6;padding:6px 0;min-height:36px}
.nav-main a:hover,.nav-themes a:hover{color:#fff}
.rail-src{font-size:.85rem;color:#8F98A0;margin:16px 0 4px}
.main{padding:20px 16px 56px;max-width:1040px}
@media (min-width:1100px){
  .frame{display:grid;grid-template-columns:var(--rail) minmax(0,1fr)}
  .rail{flex-direction:column;align-items:stretch;justify-content:flex-start;height:100vh;padding:24px 22px;flex-wrap:nowrap;overflow-y:auto}
  .menu-btn{display:none}
  .js .menu,.menu{display:block}
  .brand{margin-bottom:28px}
  .main{padding:40px 56px 72px}
}

/* crumbs */
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:4px 0;margin:0 0 18px;padding:0;font-size:.92rem}
.crumbs li:not(:last-child)::after{content:"/";color:var(--line);margin:0 8px}
.crumbs a{color:var(--mute);text-decoration:none}
.crumbs a:hover{color:var(--red-ink);text-decoration:underline}

/* fiche */
.f-fam{font-size:.95rem;color:var(--mute);margin:0 0 6px}
.f-fam a{color:var(--mute)}
.f-head h1{max-width:20ch}
.f-value{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 14px;margin:18px 0 6px}
.f-num{font:700 clamp(3rem,2.2rem + 3vw,4.6rem)/1 var(--sans);letter-spacing:-.02em;color:var(--ink)}
.f-u{font-size:1.15rem;color:var(--ink2);font-weight:500}
.f-unc{font-size:1.05rem;color:var(--steel);font-weight:500}
.f-unc-na{color:var(--mute);font-weight:400;font-size:.95rem}
.f-ref{color:var(--ink2);margin:6px 0 2px;font-size:.98rem}
.f-meta{color:var(--mute);font-size:.92rem;margin:0 0 22px}
.lede{max-width:68ch}
.lede p{font-size:1.12rem;line-height:1.58;margin:0 0 10px}

section{margin:44px 0 0}
.sec-intro{color:var(--ink2);max-width:68ch}
.note{font-size:.95rem;color:var(--mute);margin-top:10px}

/* the rule */
.rule{margin:8px 0 0}
.rule-box{position:relative;padding:34px 0 0}
.rule-track{position:relative;height:58px;background:var(--band);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.tk{position:absolute;top:0;width:1px;height:26px;background:var(--steel);opacity:.55;transform:translateX(-.5px)}
.tk:nth-child(odd){height:18px}
.tk-f{opacity:0}
.rng{position:absolute;top:30px;height:10px;background:rgba(21,24,28,.22);border-radius:2px}
.cur{position:absolute;top:-34px;bottom:-8px;width:2px;background:var(--red);transform:translateX(-1px)}
.cur-lab{position:absolute;top:-34px;white-space:nowrap;font-size:.86rem;font-weight:500;color:var(--red-ink);overflow:hidden;text-overflow:ellipsis;line-height:1.2}
.cur-lab.cur-r{text-align:right}

.rule-axis{position:relative;height:26px;margin-top:4px;font-size:.84rem;color:var(--mute)}
.rule-axis span{position:absolute;top:4px;transform:translateX(-50%);white-space:nowrap}
.rule-axis span:first-child{transform:none}
.rule-axis span:last-child{transform:translateX(-100%)}
.rule figcaption{font-size:.92rem;color:var(--ink2);margin-top:8px;max-width:72ch}
.rule .scl{color:var(--mute)}
.rule-ends{display:flex;justify-content:space-between;gap:16px;font-size:.9rem;color:var(--ink2);margin:6px 0 0}
.rule-ends span:last-child{text-align:right}
.h-rule{margin-top:28px}
.h-rule .rule-box{padding-top:8px}
@media (max-width:600px){.rule-axis span:nth-child(even):not(:last-child){display:none}.rule-ends{flex-direction:column;gap:2px}.rule-ends span:last-child{text-align:left}}

/* neighbours */
.nbrs{list-style:none;margin:18px 0 0;padding:0;border-top:1px solid var(--line);max-width:640px}
.nbrs li{display:grid;grid-template-columns:52px minmax(0,1fr) auto;gap:10px;align-items:baseline;padding:9px 6px;border-bottom:1px solid var(--line2)}
.nbrs .nb-r{color:var(--mute);font-size:.92rem}
.nbrs .nb-v{font-weight:500}
.nbrs .me{background:var(--hl);box-shadow:inset 3px 0 0 var(--red)}
.nbrs .me .nb-n{font-weight:700}

/* tables */
.tbl{width:100%;border-collapse:collapse;margin:14px 0 6px;font-size:.98rem}
.tbl caption{text-align:left;font-size:.92rem;color:var(--ink2);padding:0 0 8px;caption-side:top}
.tbl th{text-align:left;font-weight:500;font-size:.88rem;color:var(--mute);padding:8px 10px;border-bottom:1px solid var(--ink)}
.tbl td{padding:9px 10px;border-bottom:1px solid var(--line2);vertical-align:top}
.tbl .n{text-align:right;white-space:nowrap}
.tbl tr.is-head td{background:var(--hl)}
.tbl tr.is-head td:first-child{box-shadow:inset 3px 0 0 var(--red)}
.tbl.rank .rk{color:var(--mute);width:3.5em}
.tbl .val{white-space:nowrap}
.vbw{display:inline-block;width:110px;height:8px;background:var(--line2);vertical-align:middle;margin-right:10px;border-radius:2px;overflow:hidden}
.vb{display:block;height:100%;background:var(--steel)}
.vb.neg{background:var(--green)}
.vt{display:inline-block;min-width:4.5em;text-align:right}
@media (max-width:700px){
  .tbl thead{position:absolute;left:-9999px}
  .tbl,.tbl tbody,.tbl tr,.tbl td{display:block;width:100%}
  .tbl tr{border-bottom:1px solid var(--line);padding:8px 0}
  .tbl td{border:0;padding:3px 4px;display:flex;justify-content:space-between;gap:12px;text-align:right}
  .tbl td::before{content:attr(data-l);color:var(--mute);font-size:.88rem;text-align:left;flex:none;max-width:45%}
  .tbl td.nm,.tbl td:first-child{display:block;text-align:left;font-weight:500}
  .tbl td.nm::before,.tbl td:first-child::before{display:none}
  .tbl.rank td.rk{display:none}
  .tbl.rank td.nm{display:block}
  .tbl .n{white-space:normal}
  .vbw{width:72px}
  .tbl tr.is-head{background:var(--hl);box-shadow:inset 3px 0 0 var(--red)}
  .tbl tr.is-head td{background:transparent;box-shadow:none}
}

/* stacked shares */
.stack{display:flex;height:22px;border-radius:3px;overflow:hidden;margin:14px 0 10px;max-width:720px;background:var(--line2)}
.seg{height:100%}
.c1,.sw.c1{background:var(--steel)}.c2,.sw.c2{background:var(--red)}.c3,.sw.c3{background:#C3922A}.c4,.sw.c4{background:var(--green)}
.c5,.sw.c5{background:#7C8794}.c6,.sw.c6{background:#7A4A6C}.c7,.sw.c7{background:#B2A385}
.legend{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px 22px;font-size:.95rem}
.legend li{display:block}.legend .sw{margin-right:8px;vertical-align:-1px}
.sw{display:inline-block;width:12px;height:12px;border-radius:2px;flex:none}

/* trend */
.trend-wrap{max-width:640px}
.trend{width:100%;height:auto;display:block}
.trend polyline{fill:none;stroke:var(--red);stroke-width:2.5}
.trend .dots circle{fill:var(--red)}
.trend .grid line{stroke:var(--line);stroke-width:1}
.trend text{font:13px var(--sans);fill:var(--mute)}

/* provenance + calc aside */
.dl{display:grid;grid-template-columns:minmax(0,190px) minmax(0,1fr);gap:8px 20px;margin:0;max-width:760px}
.dl dt{color:var(--mute);font-size:.95rem}
.dl dd{margin:0;overflow-wrap:anywhere}
@media (max-width:600px){.dl{grid-template-columns:1fr;gap:2px}.dl dd{margin-bottom:10px}}
.f-calc{margin:44px 0 0;padding:22px 0 0;border-top:2px solid var(--ink);display:flex;flex-wrap:wrap;align-items:center;gap:12px 24px}
.f-calc p{margin:0;color:var(--ink2)}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 18px;background:var(--ink);color:#fff;border:0;border-radius:var(--r);font:500 1rem var(--sans);text-decoration:none;cursor:pointer}
.btn:hover{background:var(--red-ink);color:#fff}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.see{margin-top:40px;font-size:.98rem;color:var(--ink2);border-top:1px solid var(--line);padding-top:16px}

/* hubs, index */
.h-head h1{max-width:22ch}
.h-head .lede{margin-top:16px}
.som{display:grid;gap:8px}
.som-th{margin:26px 0 0;padding-top:18px;border-top:2px solid var(--ink)}
.som-th h2{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 14px}
.som-n{font:400 .95rem var(--sans);color:var(--mute)}
.som-list{list-style:none;margin:6px 0 0;padding:0;display:grid;gap:0 36px}
@media (min-width:820px){.som-list{grid-template-columns:1fr 1fr}}
.som-list li{padding:9px 0;border-bottom:1px solid var(--line2);display:flex;flex-direction:column}
.som-list a{font-weight:500;text-decoration:none;color:var(--ink)}
.som-list a:hover{color:var(--red-ink);text-decoration:underline}
.fl-m{font-size:.88rem;color:var(--mute)}
.rep-list{margin:24px 0 0;padding:0 0 0 1.4em;max-width:760px}
.rep-list li{margin:0 0 18px;padding-left:6px}
.rep-list a{font-family:var(--serif);font-size:1.45rem;font-weight:600;line-height:1.2;text-decoration:none;color:var(--ink)}
.rep-list a:hover{color:var(--red-ink)}
.rep-list p{margin:4px 0 0;color:var(--ink2);font-size:.98rem}

/* home */
.home-hero{display:grid;gap:28px;align-items:start}
@media (min-width:1180px){.home-hero{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:48px}}
.hh-txt h1{font-size:clamp(2.2rem,1.5rem + 2.8vw,3.6rem);max-width:15ch}
.hh-lede{font-size:1.15rem;margin-top:18px;color:var(--ink);max-width:46ch}
.hh-how{color:var(--ink2);max-width:46ch}
.hh-tool{background:var(--white);border:1px solid var(--line);border-top:3px solid var(--ink);border-radius:0 0 var(--r) var(--r);padding:18px 18px 12px}
.tool-h{font-size:1.5rem;margin:0 0 4px}
.tool-more{font-size:.95rem;margin:10px 0 0}
.home-pop{margin-top:40px}
.home-pop h2,.sec-h{font-size:1.7rem}
.pop{list-style:none;margin:10px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:8px 28px}
.pop li{font-size:1rem;min-height:40px;display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.pop .mut{font-size:.9rem}
.glist{list-style:none;margin:8px 0 0;padding:0;display:grid;gap:0 36px}
@media (min-width:820px){.glist{grid-template-columns:1fr 1fr}}
.glist li{padding:12px 0;border-bottom:1px solid var(--line2)}
.glist a{font-weight:500}
.g-d{display:block;font-size:.92rem;color:var(--mute)}
.home-src p{max-width:72ch;color:var(--ink2)}

/* calculator */
.calc-lines{list-style:none;margin:8px 0 0;padding:0;counter-reset:cl}
.cl{display:grid;grid-template-columns:minmax(0,1fr);gap:8px 16px;padding:14px 0;border-bottom:1px solid var(--line);position:relative}
@media (min-width:720px){.cl{grid-template-columns:minmax(0,1.4fr) minmax(0,1fr) minmax(0,.9fr);align-items:start}.tool-page .cl{grid-template-columns:minmax(0,1.5fr) minmax(0,1fr) minmax(0,.9fr)}}
.cl label{display:block;font-size:.86rem;color:var(--mute);margin:0 0 4px}
.cl input{width:100%;font:400 1rem var(--sans);color:var(--ink);background:var(--paper);border:1px solid var(--line);border-bottom:2px solid var(--ink);border-radius:var(--r) var(--r) 0 0;padding:10px 10px;min-height:44px}
.cl input:focus{background:#fff}
.cl-fv{font-size:.88rem;color:var(--mute);margin:6px 0 0}
.qty{display:flex;align-items:center;gap:8px}
.qty input{min-width:0;width:6.5em;flex:none}
.cl-den{font-size:.9rem;color:var(--ink2);line-height:1.25}
.cl-out{display:block;font-size:.95rem;color:var(--ink2);padding-top:22px}
.cl-kg{font:700 1.5rem var(--sans);color:var(--ink);margin-right:4px}
.cl-rng{display:block;font-size:.86rem;color:var(--mute)}
.cl-del{position:absolute;right:0;top:10px;background:none;border:0;color:var(--mute);font:400 .85rem var(--sans);cursor:pointer;min-height:32px;padding:4px 6px;text-decoration:underline}
.nojs .cl-del,.nojs .calc-add{display:none}
.calc-lines .cl:only-child .cl-del{display:none}
@media (min-width:720px){.cl-del{top:auto;bottom:10px}}
.calc-foot{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:14px 0 4px}
.calc-total{margin:0;font-size:1rem}
.ct-kg{font:700 1.9rem var(--sans);color:var(--red-ink);margin:0 4px}
.ct-rng{display:block;font-size:.86rem;color:var(--mute)}
.calc-share{font-size:.9rem;margin:4px 0 0}
.cb{position:relative}
.cb-list{position:absolute;left:0;right:0;top:100%;z-index:6;max-height:320px;overflow-y:auto;background:#fff;border:1px solid var(--ink);margin:0;padding:4px 0;list-style:none;box-shadow:0 8px 24px rgba(21,24,28,.14)}
.cb-list li{padding:8px 12px;cursor:pointer;line-height:1.35;min-height:40px}
.cb-list li small{display:block;color:var(--mute);font-size:.84rem}
.cb-list li[aria-selected="true"],.cb-list li:hover{background:var(--hl)}
.cb-empty{color:var(--mute);cursor:default}
.tool-page{margin-top:24px;background:#fff;border:1px solid var(--line);border-top:3px solid var(--ink);padding:10px 18px 14px;border-radius:0 0 var(--r) var(--r)}

/* text pages, guides */
.prose{max-width:70ch;font-size:1.06rem}
.prose h2{margin:38px 0 12px}
.prose .lead{font-size:1.18rem;line-height:1.6}
.prose table{font-size:.95rem}
.guide .g-head h1{max-width:24ch}
.byline{color:var(--mute);font-size:.95rem;margin:12px 0 26px}
.prose .src{font-size:.95rem;color:var(--ink2)}
.hbars{margin:18px 0 10px}
.hbars ol{list-style:none;margin:0;padding:0}
.hbars li{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr) 4.5em;gap:10px;align-items:center;padding:4px 0;font-size:.95rem}
.hb-b{height:12px;background:var(--line2);border-radius:2px;overflow:hidden}
.hb-b span{display:block;height:100%;background:var(--steel)}
.hb-v{text-align:right;font-weight:500}
.hbars figcaption{font-size:.88rem;color:var(--mute);margin-top:6px}
@media (max-width:560px){.hbars li{grid-template-columns:minmax(0,1fr) 4.5em;row-gap:2px}.hb-b{grid-column:1/-1;grid-row:2}}

/* footer */
.foot{background:var(--ink);color:#C9CFC7;font-size:.93rem}
.foot-in{max-width:1040px;padding:28px 16px 36px}
@media (min-width:1100px){.foot-in{margin-left:var(--rail);padding:32px 56px 40px}}
.foot-brand{display:flex;align-items:center;gap:10px;color:#F3F5F0}
.foot-brand .logo{width:24px;height:24px}
.foot-src{max-width:80ch;color:#AEB6AD}
.foot-links{list-style:none;margin:10px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:4px 22px}
.foot-links a{color:#E9ECE6;display:inline-block;padding:8px 0;min-height:40px}