/* ============================================================
   meilleur-poele-granules.fr
   Guide independant du chauffage au granule
   Fonts : Bricolage Grotesque (titres) + Inter (texte)
   ============================================================ */

:root{
  --bg:#ffffff; --bg-soft:#faf7f3; --bg-deep:#1c1614;
  --ink:#1c1614; --ink-2:#4a4038; --ink-3:#7a6f66;
  --line:#e8e0d6;
  --ember:#c2410c; --ember-dk:#9a3412; --ember-soft:#fdf1e9;
  --leaf:#3f6212; --leaf-soft:#f2f7e8;
  --r-sm:8px; --r:14px; --r-lg:22px;
  --sh:0 2px 10px rgba(28,22,20,.06);
  --sh-lg:0 24px 60px -24px rgba(28,22,20,.3);
  --fh:'Bricolage Grotesque',Georgia,serif;
  --fb:'Inter',system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{font-family:var(--fb);color:var(--ink);background:var(--bg);line-height:1.7;font-size:17px}
img{max-width:100%;display:block}
a{color:var(--ember-dk);text-decoration:none;transition:color .2s}
a:hover{color:var(--ember)}
.wrap{max-width:1120px;margin:0 auto;padding:0 clamp(1.1rem,4vw,2rem)}
.wrap.narrow{max-width:780px}

h1,h2,h3,h4{font-family:var(--fh);line-height:1.15;letter-spacing:-.02em;font-weight:700}
h1{font-size:clamp(2rem,4.6vw,3.2rem)}
h2{font-size:clamp(1.5rem,3vw,2.2rem);margin:3rem 0 1rem}
h3{font-size:1.18rem;margin:1.8rem 0 .5rem}
p{margin-bottom:1.1rem;color:var(--ink-2)}
.lead{font-size:1.15rem;color:var(--ink-2)}

/* NAV */
header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);
  backdrop-filter:blur(14px) saturate(160%);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{font-family:var(--fh);font-weight:700;font-size:1.05rem;color:var(--ink);letter-spacing:-.02em}
.logo span{color:var(--ember)}
.nav nav{display:flex;gap:1.5rem;align-items:center}
/* :not(.btn) indispensable : sinon .nav nav a ecrase .btn-1 et le bouton
   se retrouve avec du texte sombre sur fond ember. Deja vu sur visites360. */
.nav nav a:not(.btn){font-size:.92rem;color:var(--ink-2);font-weight:500}
.nav nav a:not(.btn):hover,.nav nav a:not(.btn).on{color:var(--ink)}
.navtog{display:none}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:.5rem;margin-left:auto}
.burger span{display:block;width:24px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s,opacity .25s}
@media(max-width:880px){
  .burger{display:flex;order:3}
  .nav{flex-wrap:wrap}
  .nav nav{order:4;width:100%;flex-direction:column;align-items:stretch;gap:0;
    max-height:0;overflow:hidden;transition:max-height .3s ease}
  .navtog:checked ~ nav{max-height:560px;padding-bottom:1rem}
  .nav nav a:not(.btn){padding:.85rem .2rem;border-bottom:1px solid var(--line);font-size:1rem}
  .nav nav .btn{margin-top:.9rem;justify-content:center}
  .navtog:checked ~ .burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .navtog:checked ~ .burger span:nth-child(2){opacity:0}
  .navtog:checked ~ .burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
}

/* BOUTONS */
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.8rem 1.5rem;border-radius:999px;
  font-family:var(--fb);font-weight:600;font-size:.94rem;border:1.5px solid transparent;
  cursor:pointer;transition:all .22s;white-space:nowrap}
.btn-1{background:var(--ember);color:#fff;box-shadow:0 6px 20px -6px rgba(194,65,12,.5)}
.btn-1:hover{background:var(--ember-dk);color:#fff;transform:translateY(-2px)}
.btn-2{border-color:var(--line);color:var(--ink);background:#fff}
.btn-2:hover{border-color:var(--ink);color:var(--ink)}
.btn-l{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.3);color:#fff}
.btn-l:hover{background:rgba(255,255,255,.22);color:#fff}

/* HERO */
.hero{position:relative;overflow:hidden;background:var(--bg-deep);color:#fff;
  padding:clamp(3.4rem,8vw,6rem) 0 clamp(3rem,6vw,4.5rem)}
.hero::after{content:'';position:absolute;inset:0;z-index:1;
  background:radial-gradient(1000px 420px at 12% -10%,rgba(194,65,12,.32),transparent 62%)}
.hero .wrap{position:relative;z-index:2}
.hero h1{color:#fff;max-width:20ch;margin-bottom:1.1rem}
.hero .lead{color:rgba(255,255,255,.82);max-width:58ch;font-size:1.16rem;margin-bottom:1.8rem}
.hero.slim{padding:clamp(2.6rem,6vw,4rem) 0 clamp(2.2rem,5vw,3rem)}
.hero.slim h1{max-width:24ch;font-size:clamp(1.85rem,4vw,2.8rem)}
.eyebrow{display:inline-flex;align-items:center;gap:.55rem;font-size:.74rem;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;color:#f0a878;margin-bottom:1.2rem}
.eyebrow::before{content:'';width:26px;height:2px;background:var(--ember);border-radius:2px}
.hero-cta{display:flex;gap:.8rem;flex-wrap:wrap}
.hero-stats{display:flex;gap:clamp(1.4rem,5vw,3.2rem);flex-wrap:wrap;
  margin-top:2.6rem;padding-top:1.8rem;border-top:1px solid rgba(255,255,255,.16)}
.hero-stats .k{font-family:var(--fh);font-size:clamp(1.4rem,3vw,2rem);font-weight:700;color:#fff;display:block}
.hero-stats .l{font-size:.85rem;color:rgba(255,255,255,.62)}
.ameta{display:flex;flex-wrap:wrap;gap:.5rem 1.4rem;margin-top:1.5rem;padding-top:1.2rem;
  border-top:1px solid rgba(255,255,255,.16);font-size:.88rem;color:rgba(255,255,255,.66)}
.ameta strong{color:#fff;font-weight:600}

/* SECTIONS */
main section{padding:clamp(2.4rem,5vw,3.4rem) 0}
.eyebrow-d{display:block;font-size:.74rem;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--ember);margin-bottom:.4rem}
.soft{background:var(--bg-soft)}

/* GRILLES */
.grid{display:grid;gap:1.3rem}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
@media(max-width:900px){.g3{grid-template-columns:1fr}.g2{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:1.7rem;
  box-shadow:var(--sh);transition:transform .25s,box-shadow .25s,border-color .25s}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-lg);border-color:#d8cec1}
.card h3{margin-top:0}
.card p:last-child{margin-bottom:0}
.num{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;
  border-radius:10px;background:var(--ember-soft);color:var(--ember-dk);
  font-family:var(--fh);font-weight:700;margin-bottom:.9rem}

/* ENCADRES */
.note{background:var(--ember-soft);border-left:3px solid var(--ember);
  padding:1.3rem 1.6rem;border-radius:0 var(--r-sm) var(--r-sm) 0;margin:1.8rem 0}
.note p:last-child{margin-bottom:0}
.warn{background:var(--leaf-soft);border-left:3px solid var(--leaf);
  padding:1.3rem 1.6rem;border-radius:0 var(--r-sm) var(--r-sm) 0;margin:1.8rem 0}
.warn p:last-child{margin-bottom:0}

/* LISTES */
.check{list-style:none;margin:1.2rem 0}
.check li{position:relative;padding-left:1.8rem;margin-bottom:.6rem;color:var(--ink-2)}
.check li::before{content:'';position:absolute;left:0;top:.62em;width:9px;height:9px;
  border-radius:50%;background:var(--ember)}

/* TABLEAU */
.tw{overflow-x:auto;margin:1.6rem 0}
table{width:100%;border-collapse:collapse;font-size:.95rem;min-width:460px}
th,td{padding:.8rem 1rem;text-align:left;border-bottom:1px solid var(--line)}
th{background:var(--bg-soft);font-family:var(--fh);font-weight:700;font-size:.84rem;
  letter-spacing:.03em;text-transform:uppercase;color:var(--ink-3)}
tbody tr:hover{background:var(--bg-soft)}

/* SOMMAIRE — c'est un <nav>, d'ou le display force : sans lui il herite
   du flex de la navigation d'en-tete. Piege rencontre sur les deux
   autres sites d'affiliation le 28/08. */
nav.toc{display:block !important;background:var(--bg-soft);border:1px solid var(--line);
  border-left:3px solid var(--ember);border-radius:0 var(--r) var(--r) 0;
  padding:1.4rem 1.7rem;margin:2.2rem 0}
nav.toc a::after{display:none}
.toc-title{font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ink-3);margin-bottom:.8rem;font-weight:700;font-family:var(--fb)}
.toc ol{margin:0;padding-left:1.2rem}
.toc li{margin-bottom:.42rem;font-size:.95rem}
.toc a{color:var(--ink-2);font-weight:500}
.toc a:hover{color:var(--ember-dk)}

/* CORPS D ARTICLE */
.prose h2{font-size:clamp(1.4rem,2.6vw,1.85rem);margin:2.8rem 0 .9rem;scroll-margin-top:88px}
.prose h3{font-size:1.12rem;margin:1.9rem 0 .5rem}
.prose ul,.prose ol{margin:0 0 1.2rem 1.2rem}
.prose li{margin-bottom:.5rem;color:var(--ink-2)}
.prose blockquote{border-left:3px solid var(--ember);padding:.2rem 0 .2rem 1.4rem;
  margin:1.8rem 0;font-size:1.06rem;color:var(--ink);font-style:italic}

/* FAQ */
.faq{margin:1.5rem 0}
.faq details{border:1px solid var(--line);border-radius:var(--r);margin-bottom:.7rem;
  background:#fff;overflow:hidden}
.faq summary{padding:1.1rem 1.5rem;cursor:pointer;font-weight:600;font-family:var(--fh);
  list-style:none;display:flex;justify-content:space-between;gap:1rem;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';font-size:1.4rem;color:var(--ember);font-weight:400;flex:none}
.faq details[open] summary::after{content:'\2212'}
.faq details[open] summary{border-bottom:1px solid var(--line)}
.faq .a{padding:1.1rem 1.5rem;color:var(--ink-2)}
.faq .a p:last-child{margin-bottom:0}

/* SIGNATURE */
.author-box{display:flex;gap:1.2rem;align-items:flex-start;background:var(--bg-soft);
  border:1px solid var(--line);border-radius:var(--r);padding:1.5rem 1.7rem;margin:2.6rem 0}
.author-box .author-ini{flex:none;width:50px;height:50px;border-radius:50%;
  background:var(--ember-soft);color:var(--ember-dk);font-family:var(--fh);
  font-weight:700;display:flex;align-items:center;justify-content:center}
.author-box h3{margin:0 0 .3rem;font-size:1rem}
.author-box p{font-size:.93rem;margin-bottom:.4rem}
.author-box p:last-child{margin-bottom:0}

/* LISTE DU BLOG */
.posts{display:grid;gap:1.3rem;grid-template-columns:repeat(2,1fr);margin-top:1.8rem}
@media(max-width:880px){.posts{grid-template-columns:1fr}}
.post{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r);padding:1.7rem;box-shadow:var(--sh);
  transition:transform .25s,box-shadow .25s,border-color .25s}
.post:hover{transform:translateY(-3px);box-shadow:var(--sh-lg);border-color:#d8cec1}
.post .cat{font-size:.71rem;font-weight:700;letter-spacing:.13em;text-transform:uppercase;
  color:var(--ember);margin-bottom:.6rem}
.post h3{margin:0 0 .6rem;font-size:1.12rem;line-height:1.3}
.post h3 a{color:var(--ink)}
.post h3 a:hover{color:var(--ember-dk)}
.post p{font-size:.95rem;flex:1}
.post .foot{font-size:.84rem;color:var(--ink-3);margin-top:.8rem;
  padding-top:.8rem;border-top:1px solid var(--line)}

/* MAILLAGE */
.cluster-links{margin:3rem 0 1rem;padding:1.7rem 2rem;background:var(--bg-soft);
  border:1px solid var(--line);border-left:3px solid var(--ember);border-radius:0 var(--r) var(--r) 0}
.cluster-links h2{margin:0 0 .5rem;font-size:1.2rem}
.cluster-links>p{color:var(--ink-3);font-size:.94rem;margin-bottom:.9rem}
.cluster-links ul{margin:0;padding-left:1.1rem}
.cluster-links li{margin-bottom:.5rem;color:var(--ink-3);font-size:.95rem}
.cluster-links li a{font-weight:600}

/* FIL D ARIANE */
.bc{font-size:.85rem;color:var(--ink-3);padding:1.2rem 0 0}
.bc a{color:var(--ink-3)}
.bc span{margin:0 .45rem}

/* CTA */
.cta{background:var(--bg-deep);color:#fff;border-radius:var(--r-lg);
  padding:clamp(2.2rem,5vw,3.2rem);text-align:center;margin:3rem 0}
.cta h2{color:#fff;margin-top:0}
.cta p{color:rgba(255,255,255,.78);max-width:58ch;margin:0 auto 1.6rem}
.cta .hero-cta{justify-content:center}

/* PIED */
footer{background:var(--bg-deep);color:rgba(255,255,255,.6);padding:3rem 0 2rem;margin-top:4rem;font-size:.9rem}
footer .fgrid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:2rem;margin-bottom:2rem}
@media(max-width:760px){footer .fgrid{grid-template-columns:1fr}}
footer h4{color:#fff;font-size:.79rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:.8rem}
footer a{color:rgba(255,255,255,.6);display:block;margin-bottom:.4rem}
footer a:hover{color:#fff}
footer .legal{border-top:1px solid rgba(255,255,255,.12);padding-top:1.4rem;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem;font-size:.82rem}

/* ============================================================
   IMAGES
   Pool Pexels verifie visuellement le 29/08 sur planche de contact.
   Un code 200 ne dit rien du sujet : la moitie des resultats
   "poele a bois" montraient des extincteurs ou une machine a cafe.
   ============================================================ */
.hero.img::before{content:'';position:absolute;inset:0;z-index:0;opacity:.62;
  background-image:var(--hero-img);background-size:cover;background-position:center}
/* Le voile doit rester lisible a gauche, ou vit le texte, et s'effacer a
   droite pour qu'on voie l'image. Un degrade uniforme la rendait invisible. */
.hero.img::after{background:linear-gradient(100deg,rgba(28,22,20,.93) 0%,
  rgba(28,22,20,.82) 38%,rgba(28,22,20,.42) 68%,rgba(28,22,20,.18) 100%)}

figure{margin:2.2rem 0;border-radius:var(--r);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh)}
figure img{width:100%;height:auto;aspect-ratio:3/2;object-fit:cover}
figcaption{padding:.8rem 1.2rem;background:var(--bg-soft);font-size:.87rem;
  color:var(--ink-3);font-style:italic;text-align:center}
