/* Caisseclaire.fr – métal brossé, cuivre, bois. Mobile first, flexbox. */
:root{--s9:#1b1f22;--s8:#2c3237;--s6:#4d565c;--s3:#9aa3a9;--s1:#dde1e3;
--cu:#b87333;--cu-l:#e2a56f;--cu-d:#7a4216;--wd:#2f1b10;--wd2:#4a2c1a;--mp:#ead7b2;--ink:#2a1a10;
--slab:Rockwell,"Rockwell Nova","Roboto Slab","Zilla Slab",Cambria,"Hoefler Text",Georgia,serif;
--sans:Optima,Candara,"Segoe UI",Seravek,"Gill Sans",Calibri,sans-serif}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;min-height:100vh;display:flex;flex-direction:column;font:1.0625rem/1.65 var(--sans);color:var(--ink);
background:repeating-linear-gradient(91deg,rgba(0,0,0,.2) 0 2px,transparent 2px 9px),repeating-linear-gradient(88deg,rgba(255,200,140,.05) 0 1px,transparent 1px 14px),var(--wd)}
:focus-visible{outline:3px solid #1b1105;box-shadow:0 0 0 6px #f6dcb8}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:.5rem;top:-4rem;z-index:100;padding:.6rem 1rem;background:var(--mp);color:var(--ink)}
.skip:focus{top:.5rem}

/* Métal brossé : en-tête et pied de page */
.top,.foot{background:repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 1px,transparent 1px 3px),linear-gradient(180deg,#5b646b,#2c3237 55%,#23282c);color:var(--s1)}
.top{position:sticky;top:0;z-index:50;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.25rem 1rem;padding:.5rem 1rem;border-bottom:4px solid var(--cu);box-shadow:0 3px 0 var(--cu-d)}
.brand{display:flex;align-items:center;gap:.6rem;color:#fff;font:700 1.3rem var(--slab);text-decoration:none}
.burger{display:none;padding:.5rem .9rem;font:700 1rem var(--slab);color:#1b1105;background:linear-gradient(#e9b27c,#b87333);border:2px solid var(--cu-d);border-radius:.2rem;cursor:pointer}
.js .burger{display:inline-flex}

/* Navigation (mobile : accordéon) */
.nav{flex-basis:100%;order:3}
.js .nav{display:none}
.js .nav.open{display:block}
.nav ul{list-style:none;margin:0;padding:0}
.nav a{display:block;padding:.6rem .5rem;color:var(--s1);text-decoration:none}
.nav a:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav a[aria-current]{color:var(--cu-l)}
.has-sub{display:flex;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.12)}
.has-sub>a{flex:1}
.sub-btn{flex:none;width:3rem;color:var(--cu-l);background:none;border:0;font-size:1.1rem;cursor:pointer}
.has-sub.open>.sub-btn{transform:rotate(180deg)}
.has-sub>ul{display:none;flex-basis:100%;padding-left:1rem;background:#23282c;border-top:3px solid var(--cu)}
.has-sub.open>ul,.has-sub:focus-within>ul{display:block}

/* Héros : une caisse claire vue de dessus */
.hero{display:flex;flex-direction:column;align-items:center;gap:2.5rem;padding:2.5rem 1rem 3rem;text-align:center;color:var(--mp)}
.hero h1{margin:0;font:700 clamp(2.5rem,10vw,4.75rem)/1 var(--slab);text-shadow:0 2px 0 #000a}
.hero p{max-width:34rem;margin:1rem auto 1.5rem}
.btn{display:inline-block;padding:.8rem 1.4rem;font:700 1rem var(--slab);color:#1b1105;text-decoration:none;background:linear-gradient(#e9b27c,#b87333);border:2px solid var(--cu-d);border-radius:.2rem;box-shadow:0 3px 0 var(--cu-d);cursor:pointer}
.btn:hover{background:linear-gradient(#f2c294,#c98245)}
.btn:active{transform:translateY(2px);box-shadow:0 1px 0 var(--cu-d)}
.drum{position:relative;flex:none;width:min(78vw,22rem);aspect-ratio:1;border-radius:50%;
background:conic-gradient(from 20deg,#e6eaec,#6c757b,#d3d8db,#4f585e,#eef1f2,#656e74,#dde1e3,#4f585e,#e6eaec);
box-shadow:0 .6rem 0 #14171a,0 1.4rem 2rem #000a}
.drum::before{content:"";position:absolute;inset:8%;border-radius:50%;
background:repeating-radial-gradient(circle,#e8cf9f 0 .5rem,#c9a066 .5rem .62rem,#e0c18c .62rem 1.1rem,#a87c47 1.1rem 1.18rem);
box-shadow:inset 0 0 0 .3rem #2c3237,inset 0 .5rem 1.2rem #0007;animation:thump 1.2s .3s ease-out 1}
.drum::after{content:"";position:absolute;inset:47%;border-radius:50%;background:radial-gradient(circle at 35% 30%,#f0b98a,#b87333 55%,#6b3a14)}
.drum i{position:absolute;inset:0;transform:rotate(var(--a))}
.drum i::before{content:"";position:absolute;top:1.6%;left:50%;width:5.5%;aspect-ratio:1;margin-left:-2.75%;border-radius:50%;
background:radial-gradient(circle at 35% 30%,#f0b98a,#b87333 55%,#6b3a14);box-shadow:0 1px 2px #000a}
.drum b{position:absolute;left:50%;bottom:-1.5%;width:14%;height:7%;transform:translateX(-50%);border-radius:.3rem;background:linear-gradient(#dfe3e5,#6c757b);box-shadow:0 2px 0 #14171a}
@keyframes thump{0%{transform:scale(1)}15%{transform:scale(.965)}100%{transform:scale(1)}}

/* Contenu : planche d'érable */
.wrap{width:100%;max-width:62rem;margin:0 auto;padding:1rem}
.crumbs ol{display:flex;flex-wrap:wrap;gap:.25rem .5rem;margin:0 0 1rem;padding:0;list-style:none;font-size:.9rem;color:var(--mp)}
.crumbs li+li::before{content:"/";margin-right:.5rem;color:var(--cu-l)}
.crumbs a{color:var(--mp)}
.plank{padding:1.25rem;background:repeating-linear-gradient(89deg,rgba(120,70,30,.1) 0 1px,transparent 1px 6px),var(--mp);border:3px solid var(--cu-d);box-shadow:0 0 0 3px #1b1105,0 .8rem 1.5rem #000a}
.plank>*>p,.plank>p,.plank li{max-width:65ch}
.plank h1{margin:.2rem 0 .8rem;font:700 clamp(1.9rem,6vw,3rem)/1.1 var(--slab);color:var(--cu-d)}
.plank h2{margin:2rem 0 .6rem;font:700 1.4rem/1.2 var(--slab);color:var(--wd2)}
.plank a{color:var(--cu-d)}
.lead{font-size:1.2rem}
.plank mark{padding:0 .25em;background:#f3c969;color:#1b1105}

.plates{display:flex;flex-wrap:wrap;gap:1rem;margin:1.5rem 0 0;padding:0;list-style:none}
.plates>li{flex:1 1 16rem;display:flex;max-width:none}
.plate{position:relative;display:flex;flex-direction:column;gap:.4rem;flex:1;padding:1rem 1rem 1rem 1.25rem;background:linear-gradient(#f6e9cd,#e6d1a8);border-left:.5rem solid var(--cu);box-shadow:0 2px 0 #7a4a20}
.plate:hover{border-left-color:var(--s6)}
.plate :is(h2,h3){margin:0;font:700 1.15rem/1.25 var(--slab)}
.plate a{color:var(--wd2);text-decoration:none}
.plate a::after{content:"";position:absolute;inset:0}
.plate p{margin:0;font-size:.97rem}
.chips{display:flex;flex-wrap:wrap;gap:.5rem;margin:0;padding:0;list-style:none}
.chips a{display:block;padding:.35rem .8rem;color:var(--s1);text-decoration:none;font-size:.95rem;background:linear-gradient(#5b646b,#2c3237);border-radius:.2rem}
.chips a[aria-current]{color:#1b1105;background:linear-gradient(#e9b27c,#b87333)}
.pager{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.75rem;margin-top:1.5rem}
.tree,.tree ul{padding-left:1.25rem}

/* Formulaires */
.mail{display:flex;flex-direction:column;gap:1rem;max-width:36rem}
.mail label{display:flex;flex-direction:column;gap:.3rem;font-weight:700}
.mail label.check{flex-direction:row;align-items:flex-start;gap:.6rem;font-weight:400}
.mail input:not([type=checkbox]),.mail textarea{padding:.6rem;font:inherit;color:inherit;background:#f7ecd5;border:2px solid var(--s6);border-radius:.2rem}
.mail .btn{align-self:flex-start}

.foot{margin-top:auto;display:flex;flex-direction:column;align-items:center;gap:1rem;padding:1.5rem 1rem;text-align:center;border-top:4px solid var(--cu)}
.foot ul{display:flex;flex-wrap:wrap;justify-content:center;gap:.25rem 1.25rem;margin:0;padding:0;list-style:none}
.foot a{color:var(--s1)}
.foot p{margin:0;font-size:.9rem;color:var(--s3)}

@media (min-width:56rem){
.top{position:relative}
.js .burger{display:none}
.js .nav{display:block}
.nav>ul{display:flex;flex-wrap:wrap;justify-content:center}
.nav>ul>li>a{padding:.7rem .6rem;font-size:.95rem}
.has-sub{position:relative;flex-wrap:nowrap;border:0}
.has-sub>ul{position:absolute;top:100%;left:0;z-index:60;min-width:17rem;padding:0;box-shadow:0 .6rem 1rem #000a}
.has-sub:hover>ul,.has-sub:focus-within>ul,.has-sub.open>ul{display:block}
.nav>ul>.has-sub:nth-last-child(-n+3)>ul{left:auto;right:0}
.sub-btn{width:1.6rem}
.hero{flex-direction:row;justify-content:center;gap:4rem;padding:4rem 1rem;text-align:left}
.hero p{margin-left:0}
.plank{padding:2.5rem}
.foot{flex-direction:row;justify-content:space-between;text-align:left}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.drum::before{animation:none}}

.note{font-size:.9rem;font-style:italic;color:var(--wd2)}
.plank ul{padding-left:1.25rem}
.plank ul.chips,.plank ul.plates{padding-left:0}