/* bouilloire.net — palette pétrole/cuivre, zéro webfont, zéro dépendance */
:root{
  --bg:#FAF9F6;
  --ink:#1C2626;
  --muted:#5A6462;
  --petrol:#145A5F;
  --petrol-dark:#0E4347;
  --copper:#B4642C;
  --steam:#EDF2F0;
  --line:#E1DBD2;
  --max:1080px;
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,Georgia,serif;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.65;font-size:1.0625rem}
img,svg{max-width:100%;height:auto}
a{color:var(--petrol);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--copper)}
:focus-visible{outline:3px solid var(--copper);outline-offset:2px;border-radius:2px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 1.25rem}

/* Signature : l'échelle de température (pétrole → cuivre) */
.scale{height:4px;border:0;background:linear-gradient(90deg,var(--petrol) 0%,#4E7D66 45%,var(--copper) 100%)}

/* Header */
.site-header{background:var(--bg);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding-top:.9rem;padding-bottom:.9rem}
.logo{font-family:var(--serif);font-size:1.35rem;font-weight:700;color:var(--ink);text-decoration:none;letter-spacing:-.01em}
.logo span{color:var(--copper)}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:6px;padding:.4rem .7rem;font:inherit;color:var(--ink);cursor:pointer}
.site-nav ul{display:flex;gap:1.4rem;list-style:none}
.site-nav a{font-size:.95rem;text-decoration:none;color:var(--ink)}
.site-nav a:hover,.site-nav a[aria-current]{color:var(--copper)}
@media (max-width:820px){
  .nav-toggle{display:block}
  .site-nav{display:none;width:100%}
  .site-nav.open{display:block}
  .site-nav ul{flex-direction:column;gap:.2rem;padding:.5rem 0 1rem}
  .site-nav a{display:block;padding:.55rem 0;border-bottom:1px solid var(--line)}
  .site-header .wrap{flex-wrap:wrap}
}

/* Fil d'Ariane */
.breadcrumb{font-size:.85rem;color:var(--muted);padding:1rem 0 0}
.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:.35rem}
.breadcrumb li+li::before{content:"›";margin-right:.35rem;color:var(--line)}
.breadcrumb a{color:var(--muted)}

/* Hero */
.hero{padding:3.2rem 0 2.6rem;background:var(--steam)}
.hero h1{font-family:var(--serif);font-size:clamp(1.9rem,4.5vw,3rem);line-height:1.15;letter-spacing:-.015em;max-width:22ch}
.hero p.lead{margin-top:1rem;font-size:1.15rem;color:var(--muted);max-width:58ch}
.hero .actions{margin-top:1.6rem;display:flex;gap:.8rem;flex-wrap:wrap}
.btn{display:inline-block;padding:.7rem 1.3rem;border-radius:8px;font-weight:600;text-decoration:none;font-size:.98rem}
.btn-primary{background:var(--petrol);color:#fff}
.btn-primary:hover{background:var(--petrol-dark);color:#fff}
.btn-ghost{border:1.5px solid var(--petrol);color:var(--petrol)}

/* Sections */
main section{padding:2.8rem 0}
h2{font-family:var(--serif);font-size:clamp(1.5rem,3vw,2.1rem);letter-spacing:-.01em;margin-bottom:.4rem}
h3{font-family:var(--serif);font-size:1.25rem;margin:1.6rem 0 .5rem}
.kicker{font-size:.8rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--copper);margin-bottom:.5rem}
section>.wrap>p, article p{max-width:70ch;margin-bottom:1rem}
article ul,article ol{max-width:68ch;margin:0 0 1rem 1.3rem}
article li{margin-bottom:.4rem}

/* Grille de cartes */
.grid{display:grid;gap:1.1rem;margin-top:1.6rem;grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:1.3rem;display:flex;flex-direction:column;gap:.4rem}
.card h3{margin:0;font-size:1.15rem}
.card p{font-size:.94rem;color:var(--muted);margin:0;flex-grow:1}
.card a.card-link{font-weight:600;font-size:.94rem;text-decoration:none}
.card a.card-link::after{content:" →"}

/* Tableaux */
.table-wrap{overflow-x:auto;margin:1.4rem 0}
table{border-collapse:collapse;width:100%;min-width:520px;font-size:.95rem;background:#fff;border:1px solid var(--line)}
caption{caption-side:top;text-align:left;font-size:.85rem;color:var(--muted);padding-bottom:.5rem}
th,td{padding:.65rem .85rem;text-align:left;border-bottom:1px solid var(--line)}
thead th{background:var(--petrol);color:#fff;font-weight:600}
tbody tr:nth-child(even){background:var(--steam)}

/* Encadrés */
.note{border-left:4px solid var(--copper);background:#fff;border-radius:0 8px 8px 0;padding:1rem 1.2rem;margin:1.4rem 0;max-width:70ch}
.note strong{color:var(--copper)}

/* Température (signature, page d'accueil) */
.temp-strip{margin-top:2rem;background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.temp-strip .scale{height:6px}
.temp-strip ul{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr))}
.temp-strip li{padding:1rem;border-right:1px solid var(--line)}
.temp-strip li:last-child{border-right:0}
.temp-strip b{display:block;font-family:var(--serif);font-size:1.35rem;color:var(--petrol)}
.temp-strip li:last-child b{color:var(--copper)}
.temp-strip small{color:var(--muted)}

/* FAQ */
details{background:#fff;border:1px solid var(--line);border-radius:8px;margin-bottom:.7rem;max-width:74ch}
summary{cursor:pointer;font-weight:600;padding:.9rem 1.1rem;list-style-position:inside}
details p{padding:0 1.1rem 1rem;color:var(--muted)}

/* Footer */
.site-footer{margin-top:3rem;background:var(--petrol-dark);color:#D7E4E1;font-size:.92rem}
.site-footer .wrap{padding:2.5rem 1.25rem;display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.site-footer h2{font-size:1rem;font-family:var(--sans);color:#fff;margin-bottom:.7rem}
.site-footer ul{list-style:none}
.site-footer li{margin-bottom:.4rem}
.site-footer a{color:#D7E4E1}
.site-footer a:hover{color:#E8B27D}
.footer-bottom{border-top:1px solid rgba(255,255,255,.15)}
.footer-bottom .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:.5rem;padding:1rem 1.25rem}