:root{--bg:#f4f5f8;--fg:#14161c;--muted:#4c5162;--brand:#0a3a8c;--brand-d:#062a69;--navy:#0b1530;--red:#d0021b;--red-t:#fdecee;--tint:#e9eef8;--line:#d9dde7;--card:#fff;--cta:#d0021b;--cta-fg:#fff;--ok:#167a3e;--no:#d0021b;--warn:#fdecee;--warn-l:#d0021b;--r:10px;--w:76rem;--tw:46rem;--fd:"Bahnschrift","DIN Alternate","Avenir Next Condensed","Roboto Condensed","Arial Narrow",system-ui,sans-serif;color-scheme:light dark}
@media (prefers-color-scheme:dark){:root{--bg:#0c1020;--fg:#e9ecf4;--muted:#adb3c6;--brand:#8fb1ff;--brand-d:#bcd0ff;--red:#ff7c88;--red-t:#2c151b;--tint:#172038;--line:#283252;--card:#131a2e;--cta:#e1000f;--cta-fg:#fff;--ok:#5fd28e;--no:#ff7c88;--warn:#2c151b;--warn-l:#ff7c88}}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:1rem}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
a{color:var(--brand);text-underline-offset:.18em;text-decoration-thickness:1px}
a:hover{color:var(--brand-d);text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--red);outline-offset:2px;border-radius:4px}
svg{max-width:100%}
.wrap{max-width:var(--w);margin:0 auto;padding:0 1.1rem}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:.5rem;background:#fff;color:#000;padding:.5rem 1rem;z-index:9}
.skip:focus{left:.5rem}

/* en-tête : bandeau bleu nuit + liseré tricolore */
header.site{background:linear-gradient(90deg,#002395 0 33.33%,#fff 33.33% 66.66%,#e1000f 66.66%) bottom/100% 4px no-repeat,var(--navy);color:#fff;padding-bottom:4px}
.bar{display:flex;align-items:center;gap:1.5rem;min-height:64px}
.logo{display:flex;align-items:center;gap:.5rem;font:italic 700 1.22rem/1 var(--fd);color:#fff;text-decoration:none;white-space:nowrap;letter-spacing:.01em;text-transform:uppercase}
.logo:hover{color:#fff}
.logo svg{color:#fff;flex:none}
.logo i{font-weight:400;opacity:.75;padding:0 .08em}
.logo b{color:#ff4d5e;font-weight:700}
nav.main{overflow-x:auto;scrollbar-width:none;margin-left:auto}
nav.main::-webkit-scrollbar{display:none}
nav.main ul{display:flex;align-items:center;gap:.1rem;list-style:none;margin:0;padding:0}
nav.main a{display:block;padding:.55rem .62rem;border-radius:6px;color:#dfe5f5;text-decoration:none;font-size:.93rem;white-space:nowrap}
nav.main a:hover,nav.main a[aria-current]{background:rgba(255,255,255,.1);color:#fff}
nav.main a[aria-current]{box-shadow:inset 0 -2px #ff4d5e}
nav.main a.cta{background:var(--cta);color:#fff;margin-left:.35rem;font-weight:650;transform:skewX(-8deg)}
nav.main a.cta:hover,nav.main a.cta[aria-current]{background:#a80016;box-shadow:none}
@media (max-width:1100px){.bar{flex-wrap:wrap;gap:0;padding-top:.6rem}nav.main{width:100%;margin:0 -.62rem;padding:.2rem 0 .4rem}}

/* page */
main{padding:1.2rem 1.1rem 3rem}
.page article,.page .related{max-width:var(--tw);margin:0 auto}
.crumbs{max-width:var(--tw);margin:0 auto .5rem;font-size:.88rem;color:var(--muted)}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:.3rem;margin:0;padding:0}
.crumbs li+li::before{content:"›";margin-right:.3rem}
.crumbs a{color:var(--muted)}
h1,h2,h3{font-family:var(--fd);line-height:1.2;letter-spacing:-.005em;text-wrap:balance}
h1{font-size:clamp(1.9rem,4.4vw,2.65rem);margin:.4rem 0 .5rem;font-weight:700}
h2{font-size:1.55rem;margin:2.4rem 0 .8rem;font-weight:700}
h3{font-size:1.2rem;margin:1.6rem 0 .5rem;font-weight:650}
article>h2::before{content:"";display:block;width:2.4rem;height:4px;margin-bottom:.55rem;background:linear-gradient(90deg,#002395 0 33.3%,#c9cfdc 33.3% 66.6%,#e1000f 66.6%);transform:skewX(-20deg)}
p,ul,ol{margin:0 0 1rem}
li{margin-bottom:.35rem}
.meta{color:var(--muted);font-size:.9rem;margin-bottom:1.4rem}
.meta a{color:var(--muted)}
.lead{font-size:1.15rem}

.toc{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--brand);border-radius:var(--r);padding:1rem 1.2rem;margin:1.5rem 0}
.toc-h{font:700 .85rem var(--fd);text-transform:uppercase;letter-spacing:.06em;margin:0 0 .4rem;color:var(--muted)}
.toc ol{margin:0;padding-left:1.3rem;columns:2 16rem;column-gap:2rem}
.toc li{break-inside:avoid;font-size:.95rem}

.box{border-radius:var(--r);padding:1rem 1.2rem;margin:1.5rem 0;border-left:4px solid var(--brand);background:var(--tint)}
.box p:last-child,.box ul:last-child{margin-bottom:0}
.box.warn{background:var(--warn);border-color:var(--warn-l)}
.box.verdict{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--ok)}
ul.check,ul.cross{list-style:none;padding-left:0}
ul.check li,ul.cross li{position:relative;padding-left:1.6rem}
ul.check li::before,ul.cross li::before{position:absolute;left:0;font-weight:700}
ul.check li::before{content:"✓";color:var(--ok)}
ul.cross li::before{content:"✕";color:var(--no)}
ol.steps{list-style:none;counter-reset:s;padding:0}
ol.steps>li{counter-increment:s;position:relative;padding:0 0 1rem 3rem;margin:0}
ol.steps>li::before{content:counter(s);position:absolute;left:0;top:0;width:2.1rem;height:2.1rem;display:grid;place-items:center;background:var(--navy);color:#fff;font:italic 700 1rem var(--fd);border-radius:6px;transform:skewX(-8deg)}
ol.steps>li:not(:last-child)::after{content:"";position:absolute;left:1.02rem;top:2.4rem;bottom:.3rem;width:2px;background:var(--line)}

.tbl{overflow-x:auto;margin:1.5rem 0;border:1px solid var(--line);border-radius:var(--r);background:var(--card)}
table{border-collapse:collapse;width:100%;font-size:.95rem}
th,td{text-align:left;padding:.65rem .8rem;border-bottom:1px solid var(--line);vertical-align:top}
thead th{background:var(--navy);color:#fff;font:600 .92rem var(--fd);letter-spacing:.02em}
tbody tr:nth-child(even){background:var(--tint)}
tbody tr:last-child td{border-bottom:0}

.prod{background:var(--card);border:1px solid var(--line);border-top:4px solid var(--navy);border-radius:var(--r);padding:1.2rem 1.3rem;margin:1.2rem 0}
.prod h3{margin:.25rem 0 .6rem}
.badge{display:inline-block;background:var(--red-t);color:var(--red);font:650 .8rem var(--fd);text-transform:uppercase;letter-spacing:.04em;padding:.2rem .6rem;border-radius:4px}
.prod ul{margin-bottom:.8rem}
.btn{display:inline-block;background:var(--cta);color:var(--cta-fg);font-weight:650;text-decoration:none;padding:.7rem 1.2rem;border-radius:8px;min-height:44px}
.btn::after{content:" *"}
.btn:hover{color:var(--cta-fg);background:#a80016}
a.aff::after{content:"*";font-size:.8em}

details.faq{border:1px solid var(--line);border-radius:var(--r);background:var(--card);margin:.6rem 0}
details.faq summary{cursor:pointer;padding:.85rem 1.1rem;font-weight:650;list-style-position:outside;margin-left:1rem}
details.faq[open] summary{border-bottom:1px solid var(--line)}
details.faq>*:not(summary){padding:0 1.1rem}
details.faq>p:nth-child(2){padding-top:.8rem}

.disclose{font-size:.85rem;color:var(--muted);border-top:1px solid var(--line);padding-top:1rem;margin-top:2.5rem}
.disclose a{color:var(--muted)}

.cards{list-style:none;padding:0;margin:1.2rem 0;display:grid;gap:.8rem;grid-template-columns:repeat(auto-fill,minmax(15rem,1fr))}
.cards li{margin:0}
.cards a{display:flex;flex-direction:column;gap:.25rem;height:100%;padding:1rem 1.1rem;background:var(--card);border:1px solid var(--line);border-radius:var(--r);text-decoration:none;color:var(--fg);transition:border-color .15s,transform .15s}
.cards a:hover{border-color:var(--red);transform:translateY(-2px)}
.cards strong{color:var(--brand);font-family:var(--fd);font-size:1.06rem}
.cards span{font-size:.92rem;color:var(--muted);line-height:1.5}
.related{margin-top:3rem}

/* accueil */
.home{max-width:var(--w)}
.hero{position:relative;overflow:hidden;margin:.6rem 0 1.5rem;padding:2.4rem clamp(1.2rem,4vw,3rem) 2rem;border-radius:14px;color:#fff;background:linear-gradient(115deg,transparent 0 64%,#002395 64% 70%,#fff 70% 76%,#e1000f 76% 82%,transparent 82%),radial-gradient(120% 140% at 0 0,#1b2c5c,#0b1530 60%)}
.hero>*{position:relative;max-width:46rem}
.hero h1{font-size:clamp(2rem,5.2vw,3.2rem);margin:0 0 .8rem;font-style:italic;text-transform:uppercase;letter-spacing:.005em}
.hero .lead{font-size:1.15rem;color:#dfe5f5}
.hero a{color:#fff}
.kicker{display:inline-block;color:#ff6b79;font:italic 700 .9rem var(--fd);letter-spacing:.08em;text-transform:uppercase;margin:0 0 .5rem}
.chips{display:flex;flex-wrap:wrap;gap:.5rem;list-style:none;padding:0;margin:1.2rem 0 0}
.chips li{margin:0}
.chips a{display:inline-block;padding:.5rem .95rem;border:1px solid var(--line);border-radius:6px;background:var(--card);color:var(--brand);text-decoration:none;font-size:.95rem;min-height:44px;line-height:1.7}
.hero .chips a{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.25);color:#fff}
.chips a:hover{border-color:var(--red)}
.chips a.go,.hero .chips a.go{background:var(--cta);border-color:var(--cta);color:#fff;font-weight:650}
.stats{display:grid;gap:.8rem;grid-template-columns:repeat(auto-fit,minmax(12rem,1fr));list-style:none;padding:0;margin:1.5rem 0}
.stats li{margin:0;background:var(--card);border:1px solid var(--line);border-left:4px solid var(--red);border-radius:var(--r);padding:1rem 1.1rem}
.stats b{display:block;font:italic 700 1.55rem/1.2 var(--fd);color:var(--brand)}
.stats span{font-size:.92rem;color:var(--muted)}
.section{margin:2.8rem 0}
.section>h2{margin-top:0}
.section>h2::after,.hub-h::after{content:"";display:block;width:3rem;height:4px;margin-top:.5rem;background:linear-gradient(90deg,#002395 0 33.3%,#c9cfdc 33.3% 66.6%,#e1000f 66.6%);transform:skewX(-20deg)}
.split{display:grid;gap:1.2rem;grid-template-columns:repeat(auto-fit,minmax(18rem,1fr))}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:1.3rem 1.4rem}
.panel h3{margin-top:0}
.panel ul{padding-left:1.1rem;margin:0}
.prose{max-width:var(--tw)}

/* estimateur */
.est{background:var(--card);border:1px solid var(--line);border-top:4px solid var(--navy);border-radius:var(--r);padding:1.2rem 1.3rem;margin:1.5rem 0}
.est fieldset{border:0;padding:0;margin:0 0 1.1rem;min-width:0}
.est legend{font:700 1.02rem var(--fd);padding:0;margin-bottom:.5rem}
.opts{display:flex;flex-wrap:wrap;gap:.5rem}
.opts label{position:relative;cursor:pointer;max-width:100%}
.opts input{position:absolute;opacity:0;width:1px;height:1px}
.opts span{display:inline-block;padding:.55rem .9rem;border:1px solid var(--line);border-radius:6px;background:var(--bg);min-height:44px;line-height:1.6;font-size:.95rem}
.opts input:checked+span{background:var(--navy);border-color:var(--navy);color:#fff}
.opts input:focus-visible+span{outline:3px solid var(--red);outline-offset:2px}
.out{border-radius:var(--r);background:var(--navy);color:#fff;padding:1.1rem 1.3rem}
.out p{margin:.2rem 0}
.out .big{font:italic 700 clamp(1.8rem,5vw,2.4rem)/1.15 var(--fd)}
.est .out .small{color:#c4cce2}
.out a{color:#fff}

/* pied de page */
footer.site{background:var(--navy);color:#c4cce2;padding:2.4rem 0 1.5rem;font-size:.93rem;border-top:4px solid;border-image:linear-gradient(90deg,#002395 0 33.33%,#fff 33.33% 66.66%,#e1000f 66.66%) 1}
.fgrid{display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(11rem,1fr));margin-bottom:1.5rem}
.fh{font:700 1rem var(--fd);text-transform:uppercase;letter-spacing:.04em;margin:0 0 .5rem;color:#fff}
.fh a{color:#fff;text-decoration:none}
footer ul{list-style:none;padding:0;margin:0}
footer li{margin:0}
footer li a{display:inline-block;padding:.25rem 0;color:#c4cce2;text-decoration:none}
footer li a:hover{color:#fff;text-decoration:underline}
footer .small a{color:#fff}
.small{font-size:.83rem;margin:.4rem 0}
.page .small,.home .small{color:var(--muted)}
@media print{header.site,footer.site,.toc,.related,.btn{display:none}}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}