:root{--neg:#dc2626;--bg:#f7f9fb;--surface:#fff;--ink:#0f172a;--muted:#475569;--line:#e2e8f0;--brand:#0b7a6e;--brand-ink:#fff;--hero:#0b1220;--hero-ink:#f1f5f9;--warn:#b45309;--code:#f1f5f9}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#0b1220;--surface:#111a2e;--ink:#e2e8f0;--muted:#94a3b8;--line:#1e293b;--brand:#14b8a6;--brand-ink:#0b1220;--hero:#070d18;--warn:#f59e0b;--code:#0f1a2e;--neg:#f87171}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
img,video{max-width:100%;height:auto;display:block;border-radius:12px}
a{color:var(--brand)}a:hover{text-decoration-thickness:2px}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}.narrow{max-width:760px}
header.top{background:var(--hero);color:var(--hero-ink);position:sticky;top:0;z-index:5;border-bottom:1px solid #1e293b}
header.top .wrap{display:flex;align-items:center;gap:18px;min-height:62px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:10px;color:var(--hero-ink);text-decoration:none;font-weight:800;font-size:19px}
.logo svg{width:28px;height:28px}
nav.main{margin-left:auto;display:flex;gap:18px;align-items:center;font-size:15px}
nav.main a{color:#cbd5e1;text-decoration:none}nav.main a:hover{color:#fff}
nav.main .lang{border:1px solid #334155;border-radius:20px;padding:3px 10px}
.btn{white-space:nowrap;display:inline-flex;align-items:center;gap:8px;background:#14b8a6;color:#0b1220!important;font-weight:700;text-decoration:none;padding:13px 22px;border-radius:10px;font-size:17px;border:0}
.btn:hover{background:#2dd4bf}.btn.sm{padding:8px 14px;font-size:15px}
.btn.ghost{background:transparent;color:var(--hero-ink)!important;border:1px solid #334155}
.hero{background:radial-gradient(1200px 500px at 85% -10%,#0f3b3a 0,transparent 60%),var(--hero);color:var(--hero-ink);padding:56px 0 64px}
.hero .grid{display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:center}
.hero h1{font-size:44px;line-height:1.12;margin:0 0 16px;letter-spacing:-.02em}
.hero h1 em{font-style:normal;color:#2dd4bf}
.hero p.lead{font-size:19px;color:#cbd5e1;margin:0 0 22px}
.pills{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 26px;padding:0;list-style:none}
.pills li{border:1px solid #1f6f68;color:#99f6e4;border-radius:20px;padding:4px 12px;font-size:14px}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.cta-note{font-size:14px;color:#94a3b8;margin-top:12px}
.hero img{box-shadow:0 20px 60px rgba(0,0,0,.5)}
section{padding:64px 0}section.alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
h2{font-size:32px;line-height:1.2;margin:0 0 14px;letter-spacing:-.01em}
h3{font-size:21px;margin:28px 0 8px}
.kicker{color:var(--brand);font-weight:700;text-transform:uppercase;font-size:13px;letter-spacing:.08em;margin:0 0 8px}
.sub{color:var(--muted);font-size:18px;max-width:720px;margin:0 0 30px}
.feat{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;margin:0 0 56px}
.feat:nth-of-type(even) .txt{order:2}
.feat ul{padding-left:20px;margin:10px 0 0}.feat li{margin:4px 0}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:22px}
section.alt .card{background:var(--bg)}
.card h3{margin:0 0 6px;font-size:18px}.card p{margin:0;color:var(--muted);font-size:16px}
.steps{counter-reset:s;list-style:none;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.steps.wf{grid-template-columns:repeat(5,1fr)}
.steps li{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:20px;position:relative}
.steps li::before{counter-increment:s;content:counter(s);display:flex;width:32px;height:32px;border-radius:50%;background:var(--brand);color:var(--brand-ink);font-weight:800;align-items:center;justify-content:center;margin-bottom:10px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.yes li::marker{content:"✓  ";color:var(--brand)}.no li::marker{content:"✗  ";color:var(--warn)}
details{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin:0 0 10px}
details summary{cursor:pointer;font-weight:700}details p{margin:10px 0 0;color:var(--muted)}
.band{background:var(--hero);color:var(--hero-ink);text-align:center;padding:56px 0}
.band h2{color:#fff}.band p{color:#cbd5e1}
footer{padding:36px 0;color:var(--muted);font-size:14px;border-top:1px solid var(--line)}
footer .cols{display:flex;flex-wrap:wrap;gap:28px;justify-content:space-between}
footer a{color:var(--muted)}
.disclaimer{font-size:13px;color:var(--muted);margin-top:18px;max-width:820px}
/* articles */
.art-head{background:var(--hero);color:var(--hero-ink);padding:44px 0 40px}
.art-head h1{font-size:38px;line-height:1.15;margin:8px 0 12px;letter-spacing:-.02em}
.art-head p{color:#cbd5e1;font-size:18px;margin:0}
.crumbs{font-size:14px;color:#94a3b8}.crumbs a{color:#94a3b8}
article{padding:40px 0 20px}article h2{font-size:27px;margin-top:40px}
article table{border-collapse:collapse;width:100%;margin:16px 0;font-size:16px;background:var(--surface)}
article th,article td{border:1px solid var(--line);padding:8px 10px;text-align:left}
article th{background:var(--code)}td.n{text-align:right;font-variant-numeric:tabular-nums}
code,pre{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:15px;background:var(--code);border-radius:6px}
code{padding:2px 6px}pre{padding:14px 16px;overflow-x:auto;border:1px solid var(--line)}
.note{border-left:4px solid var(--brand);background:var(--surface);padding:12px 16px;border-radius:0 10px 10px 0;margin:20px 0}
.promo{display:grid;grid-template-columns:200px 1fr;gap:22px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px;margin:36px 0}
.promo p{margin:0 0 12px}
.toc{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px 20px;font-size:16px}
.toc ol{margin:6px 0 0;padding-left:20px}
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.related a{display:block;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px;text-decoration:none;color:var(--ink);font-weight:600}
.related a span{display:block;color:var(--muted);font-weight:400;font-size:15px;margin-top:4px}
@media (max-width:900px){.hero .grid,.feat,.two{grid-template-columns:1fr}.feat:nth-of-type(even) .txt{order:0}.cards,.related{grid-template-columns:1fr 1fr}.steps,.steps.wf{grid-template-columns:1fr 1fr}.hero h1{font-size:34px}}
@media (max-width:600px){body{font-size:16px}.btn.sm{padding:7px 11px;font-size:14px}nav.main{gap:10px}.logo{font-size:17px}.wrap{padding:0 16px}.cards,.related,.steps,.steps.wf{grid-template-columns:1fr}.hero{padding:36px 0 44px}.hero h1{font-size:29px}h2{font-size:26px}.art-head h1{font-size:28px}section{padding:46px 0}.promo{grid-template-columns:1fr}article table{font-size:14px;display:block;overflow-x:auto}}
article.wrap{padding-top:36px}

/* accessibilité */
:focus-visible{outline:3px solid #2dd4bf;outline-offset:2px;border-radius:4px}
.skip{position:absolute;left:-9999px;top:8px;z-index:10;background:#fff;color:#0b1220;padding:8px 14px;border-radius:8px;font-weight:700}.skip:focus{left:12px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.langsw{display:flex;align-items:center;gap:6px;margin-left:14px;font-size:14px;color:#64748b}.langsw a{color:#cbd5e1;text-decoration:none;padding:4px 2px}.langsw a[aria-current]{color:#fff;font-weight:700;text-decoration:underline;text-underline-offset:4px}
nav.main a[aria-current]{color:#fff;font-weight:700}
.hero-home{padding:64px 0 56px}.hero-home h1{font-size:44px}.hero-home .lead{max-width:640px;margin-left:auto;margin-right:auto}
.tool-card h3{font-size:21px;margin:0 0 8px}.tool-card h3 a{color:var(--ink);text-decoration:none}.tool-card ul{padding-left:20px;margin:0 0 16px;color:var(--muted)}
.btn.line{background:transparent;color:var(--ink)!important;border:1px solid var(--line)}.hero .btn.line,.band .btn.line{color:var(--hero-ink)!important;border-color:#334155}
.mt0{margin-top:0}.mt12{margin-top:12px}.pt{padding-top:28px}.spacer{height:40px}
/* calculateurs */
.tool{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:28px;align-items:start;margin:8px 0 30px}
.tool fieldset{border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin:0 0 14px;background:var(--surface);min-width:0}
.tool legend{font-weight:700;padding:0 6px}.fld{display:block;margin:0 0 12px}.fld>span{display:block;font-size:15px;font-weight:600;margin-bottom:4px}
.fld small{display:block;color:var(--muted);font-size:13px;margin-top:3px}.fld small.err{color:var(--neg);font-weight:600;font-size:14px}
.fld input,.fld select{width:100%;font:inherit;padding:10px 11px;min-height:44px;border:1px solid #94a3b8;border-radius:9px;background:var(--bg);color:var(--ink)}
.fld input[aria-invalid=true]{border:2px solid var(--neg)}
.inrow{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.inrow input{flex:1 1 130px;min-width:0;width:auto}
.seg,.fld>.seg{display:inline-flex;flex-wrap:wrap;border:1px solid #94a3b8;border-radius:9px;overflow:hidden;max-width:100%}.seg label{margin:0;position:relative}
.seg input{position:absolute;opacity:0;pointer-events:none;width:1px;height:1px;left:0;top:0}
.seg span{display:block;padding:10px 12px;min-height:44px;font-size:14px;font-weight:600;cursor:pointer;color:var(--muted)}.seg input:checked+span{background:var(--brand);color:var(--brand-ink)}
.seg input:focus-visible+span{outline:3px solid #2dd4bf;outline-offset:-3px}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}
details.adv{border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin:6px 0 14px;background:var(--bg)}details.adv summary{cursor:pointer;font-weight:700}
details.adv[open] summary{margin-bottom:12px}
.res{position:sticky;top:78px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px 20px}
.res h2{font-size:20px;margin:0 0 10px}.res table{width:100%;border-collapse:collapse;font-size:15.5px}.res td{padding:7px 0;border-bottom:1px solid var(--line)}
.res td.n{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap;padding-left:10px}.res tr.big td{font-size:19px;font-weight:800;border-bottom:0;padding-top:12px}
.res tr.sub td{color:var(--muted);font-size:14px}.pos{color:var(--brand)}.neg{color:var(--neg)}.warn{color:var(--warn);font-weight:600;font-size:15px;margin:10px 0 0}
.howl{margin:14px 0 4px;font-size:15px;font-weight:600}.muted{color:var(--muted);font-size:14px}.btnrow{display:flex;gap:10px;flex-wrap:wrap;margin:4px 0 0}
.cta-in{margin:14px 0 0;padding:12px 14px;border-radius:10px;background:var(--bg);border:1px dashed var(--brand);font-size:15px}.cta-in a{font-weight:700;white-space:nowrap}
[hidden]{display:none!important}.explain h2{font-size:25px;margin-top:36px}
#out{min-height:320px}
@media (max-width:900px){.tool{grid-template-columns:minmax(0,1fr)}.res{position:static}}
@media (max-width:600px){.grid2{grid-template-columns:1fr}.hero-home h1{font-size:30px}.langsw{margin-left:auto}nav.main{order:3;width:100%;margin:0 0 8px;gap:18px;overflow-x:auto;white-space:nowrap}}

/* mobiles iPhone / Samsung */
:root{color-scheme:light dark}
html{-webkit-tap-highlight-color:rgba(20,184,166,.18)}
a,button,summary,.seg label,select{touch-action:manipulation}
.fld input,.fld select,.inrow input{font-size:16px!important}
.fld input{-webkit-appearance:none;appearance:none}
header.top .wrap,footer .wrap,.wrap{padding-left:max(20px,env(safe-area-inset-left));padding-right:max(20px,env(safe-area-inset-right))}
footer{padding-bottom:max(36px,env(safe-area-inset-bottom))}
nav.main a,.langsw a{display:inline-flex;align-items:center;min-height:44px}
nav.main{scrollbar-width:none}nav.main::-webkit-scrollbar{display:none}
@media (max-width:600px){.wrap,header.top .wrap,footer .wrap{padding-left:max(16px,env(safe-area-inset-left));padding-right:max(16px,env(safe-area-inset-right))}nav.main a{min-height:40px}}
@media (orientation:landscape) and (max-height:500px){header.top{position:static}.res{position:static}}
@media (max-width:340px){.seg span{padding:10px 9px;font-size:13px}.btnrow .btn{flex:1 1 auto;justify-content:center}.res td.n{white-space:normal}}
/* gamme et offres (novembre 2026) */
.coupon{background:#fde68a;color:#0b1220;text-align:center;padding:9px 16px;font-weight:700;font-size:15px}
.price-line{font-size:18px;margin:14px 0 4px}.price-line strong{font-size:30px}.price-line s{color:#94a3b8;margin-left:6px}.save{color:#2dd4bf;font-weight:700;margin-left:8px}
.trust{list-style:none;padding:0;margin:16px 0 0;display:flex;flex-wrap:wrap;gap:8px 18px;font-size:14px;color:#cbd5e1}.trust li::before{content:"✓ ";color:#2dd4bf;font-weight:800}
section:not(.hero) .trust{color:var(--muted);justify-content:center;margin-top:22px}
.price-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:22px;align-items:stretch}
.offer{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:26px;position:relative;display:flex;flex-direction:column}
.offer.best{border:2px solid #14b8a6;box-shadow:0 12px 34px rgba(20,184,166,.16)}
.badge{position:absolute;top:-13px;left:22px;background:#14b8a6;color:#0b1220;font-weight:800;font-size:13px;padding:4px 11px;border-radius:999px}
.offer h3{margin:4px 0 2px;font-size:22px}.offer ul{padding-left:20px;margin:6px 0 20px;flex:1}.offer .btn{align-self:flex-start}
.price{font-size:42px;font-weight:800;margin:8px 0 4px;line-height:1.1}.price s{font-size:20px;color:var(--muted);font-weight:600;margin-left:10px}.price.sm{font-size:24px;margin:6px 0}
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.offer.small{padding:16px}.offer.small img,.prod-card img{width:100%;height:auto;border-radius:10px;border:1px solid var(--line)}
.offer.small h3{font-size:18px;margin-top:12px}.offer.small h3 a{color:var(--ink);text-decoration:none}
.prod-card{display:flex;flex-direction:column;gap:4px;background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:14px;text-decoration:none;color:var(--ink)}
.prod-card:hover{border-color:#14b8a6}.prod-card .step{color:var(--brand);font-weight:700;font-size:13px;text-transform:uppercase;letter-spacing:.06em;margin-top:8px}.prod-card .muted{font-size:15px}
.upsell{border:2px dashed #14b8a6;border-radius:16px;padding:22px 24px;display:flex;gap:18px;align-items:center;justify-content:space-between;flex-wrap:wrap;background:var(--surface)}
table.stack{width:100%;border-collapse:collapse;font-size:16px}table.stack td,table.stack th{padding:10px 8px;border-bottom:1px solid var(--line);text-align:left}table.stack .num{text-align:right;white-space:nowrap}
table.stack .tot td{color:var(--muted);border-bottom:0}table.stack .deal td{font-weight:800;font-size:20px;color:var(--brand)}
.sticky-cta{display:none}
@media (max-width:900px){.price-grid{grid-template-columns:1fr}.prod-grid{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.prod-grid{grid-template-columns:1fr}.sticky-cta{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:6;background:var(--hero);color:var(--hero-ink);padding:10px 16px calc(10px + env(safe-area-inset-bottom));justify-content:space-between;align-items:center;gap:10px;font-weight:700;font-size:15px;border-top:1px solid #1e293b}body:has(.sticky-cta){padding-bottom:68px}}

.sep{font-size:14px;font-weight:500;margin-left:.4em;white-space:nowrap}