/* Zolturvine — feuille de style commune */

:root{
  --bg:#1e1a20;
  --bg-alt:#272229;
  --bg-contrast:#e9e6e1;
  --text:#e9e6e1;
  --text-dim:#9c949c;
  --text-on-contrast:#1e1a20;
  --gold:#c9a24b;
  --steel:#a9b2bd;
  --pad-y:88px;
  --pad-x:52px;
}

*{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;}

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  font-size:17px;
  line-height:1.8;
  overflow-x:hidden;
}

h1,h2,h3{
  font-family:Georgia,'Times New Roman',serif;
  font-weight:400;
  line-height:1.05;
  margin:0;
}

h1{font-size:clamp(2.4rem,6vw,4.6rem);letter-spacing:-0.01em;}
h2{font-size:clamp(1.5rem,2.6vw,2.1rem);margin-bottom:22px;}
h3{font-size:1.18rem;line-height:1.25;margin:34px 0 10px;}

p{margin:0 0 20px;}
p:last-child{margin-bottom:0;}

a{color:var(--gold);text-decoration:none;border-bottom:1px solid rgba(201,162,75,.45);}
a:hover{border-bottom-color:var(--gold);}

a:focus-visible,
:focus-visible{
  outline:2px solid var(--gold);
  outline-offset:3px;
}

/* ---------- grille ---------- */

.layer{padding:0 var(--pad-x);}

.grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  column-gap:24px;
  max-width:1360px;
  margin:0 auto;
}

.col6{grid-column:1 / span 6;}
.col7{grid-column:1 / span 7;}
.col12{grid-column:1 / span 12;}

/* ---------- bandeau supérieur : navigation ---------- */

.strip-nav{
  background:var(--bg-alt);
  padding:18px var(--pad-x);
  border-bottom:0;
}

.strip-nav .grid{align-items:center;row-gap:10px;}

.brand{
  grid-column:1 / span 3;
  font-family:Georgia,'Times New Roman',serif;
  font-size:1.15rem;
  letter-spacing:.06em;
  color:var(--text);
  border-bottom:0;
}
.brand:hover{color:var(--gold);}

nav.main{grid-column:4 / span 9;}

nav.main ul{
  list-style:none;
  display:flex;
  flex-wrap:wrap;
  gap:8px 26px;
  margin:0;
  padding:0;
  justify-content:flex-end;
}

nav.main a{
  color:var(--text-dim);
  font-size:14px;
  letter-spacing:.02em;
  border-bottom:1px solid transparent;
  padding-bottom:2px;
}
nav.main a:hover,
nav.main a[aria-current="page"]{color:var(--text);border-bottom-color:var(--gold);}

/* ---------- hero ---------- */

.hero-title{
  background:var(--bg);
  padding:150px var(--pad-x) 60px;
  min-height:46vh;
  display:flex;
  align-items:flex-end;
}
.hero-title .grid{width:100%;}
.hero-title h1{grid-column:1 / span 9;}

.hero-kicker{
  display:block;
  font-family:system-ui,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  font-size:13px;
  line-height:1.6;
  letter-spacing:.16em;
  text-transform:none;
  color:var(--steel);
  margin-bottom:26px;
}

.hero-intro{
  background:#191519;
  padding:var(--pad-y) var(--pad-x);
}
.hero-intro .lede{grid-column:1 / span 6;}
.hero-intro .lede p{font-size:19px;}

.topic-list{
  grid-column:8 / span 5;
  list-style:none;
  margin:0;
  padding:0;
  counter-reset:topic;
}
.topic-list li{
  display:flex;
  gap:16px;
  padding:9px 0;
  font-size:15px;
  color:var(--text-dim);
}
.topic-list li::before{
  counter-increment:topic;
  content:"0" counter(topic);
  color:var(--steel);
  font-size:13px;
  letter-spacing:.08em;
  flex:0 0 auto;
  padding-top:2px;
}

/* ---------- sections ---------- */

.section{padding:var(--pad-y) var(--pad-x);background:var(--bg);}
.section.alt{background:var(--bg-alt);}
.section.contrast{background:var(--bg-contrast);color:var(--text-on-contrast);}

.section.contrast h2,
.section.contrast h3{color:var(--text-on-contrast);}
.section.contrast .caption,
.section.contrast .meta{color:#5d5560;}
.section.contrast a{color:#7a5c14;border-bottom-color:rgba(122,92,20,.5);}
.section.contrast a:focus-visible{outline-color:#7a5c14;}

.body6{grid-column:1 / span 6;}
.step-1 .body6{grid-column:2 / span 6;}
.step-2 .body6{grid-column:3 / span 6;}
.step-3 .body6{grid-column:4 / span 6;}

.section-no{
  display:block;
  font-size:13px;
  letter-spacing:.14em;
  color:var(--steel);
  margin-bottom:14px;
}

.caption,.meta{font-size:13px;color:var(--text-dim);line-height:1.65;}

.list{
  list-style:none;
  margin:22px 0 0;
  padding:0;
}
.list li{
  position:relative;
  padding-left:22px;
  margin-bottom:12px;
}
.list li::before{
  content:"";
  position:absolute;
  left:0;
  top:12px;
  width:9px;
  height:2px;
  background:var(--gold);
}

.check{
  list-style:none;
  margin:22px 0 0;
  padding:0;
  counter-reset:check;
}
.check li{
  display:flex;
  gap:16px;
  padding:11px 0;
  border-top:1px solid rgba(169,178,189,.22);
}
.check li:last-child{border-bottom:1px solid rgba(169,178,189,.22);}
.check li::before{
  counter-increment:check;
  content:counter(check,decimal-leading-zero);
  color:var(--steel);
  font-size:13px;
  padding-top:5px;
  flex:0 0 auto;
}

.dl{margin:22px 0 0;}
.dl dt{
  font-family:Georgia,'Times New Roman',serif;
  font-size:1.05rem;
  margin-top:20px;
  color:var(--text);
}
.section.contrast .dl dt{color:var(--text-on-contrast);}
.dl dd{margin:6px 0 0;color:inherit;}

/* bloc large de la section contrastée */
.contrast .wide{grid-column:3 / span 8;}

/* ---------- pied de page ---------- */

.site-footer{
  background:var(--bg-contrast);
  color:var(--text-on-contrast);
  padding:var(--pad-y) var(--pad-x) 56px;
  margin-top:0;
}
.footer-name{
  font-family:Georgia,'Times New Roman',serif;
  font-size:clamp(2.6rem,10vw,7rem);
  line-height:1;
  letter-spacing:-0.02em;
  margin:0 0 56px;
  color:var(--text-on-contrast);
}
.footer-cols{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:40px;
}
.footer-col h2{
  font-family:system-ui,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  font-size:13px;
  letter-spacing:.14em;
  color:#5d5560;
  margin:0 0 14px;
  padding-top:14px;
  border-top:2px solid #1e1a20;
  display:block;
  width:100%;
}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:8px;}
.footer-col a{color:#7a5c14;border-bottom-color:rgba(122,92,20,.45);}
.footer-col a:focus-visible{outline-color:#7a5c14;}
.footer-col p{font-size:15px;color:#3c343f;}

/* ---------- pages internes ---------- */

.page-head{
  background:var(--bg);
  padding:120px var(--pad-x) 56px;
}
.page-head h1{grid-column:1 / span 8;font-size:clamp(2rem,4.6vw,3.4rem);}
.page-head .col6{margin-top:26px;}

/* ---------- responsive ---------- */

@media (max-width:1000px){
  :root{--pad-y:64px;--pad-x:34px;}
  .hero-title{padding-top:110px;min-height:0;}
  .hero-title h1{grid-column:1 / span 12;}
  .hero-intro .lede,
  .topic-list{grid-column:1 / span 12;}
  .topic-list{margin-top:34px;}
  .body6,
  .step-1 .body6,
  .step-2 .body6,
  .step-3 .body6,
  .contrast .wide,
  .page-head h1,
  .col6,.col7{grid-column:1 / span 12;}
}

@media (max-width:700px){
  :root{--pad-y:52px;--pad-x:20px;}
  body{font-size:16px;}
  .strip-nav .grid{row-gap:12px;}
  .brand{grid-column:1 / span 12;}
  nav.main{grid-column:1 / span 12;}
  nav.main ul{justify-content:flex-start;gap:6px 18px;}
  .hero-title{padding-top:64px;padding-bottom:40px;}
  .footer-cols{grid-template-columns:1fr;gap:28px;}
  .footer-name{margin-bottom:38px;}
  .check li{gap:12px;}
}