/* Veltronesu — feuille de style commune */

:root{
  --bg:#131c17;
  --bg-alt:#1a2620;
  --bg-light:#eaeee7;
  --text:#e4eae2;
  --text-dim:#8b9a8e;
  --text-dark:#131c17;
  --accent:#c2a24d;
  --accent2:#7fa88a;
  --line:#0b120e;
}

*{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:1.7;
  overflow-x:hidden;
}

p{margin:0 0 1.1em;max-width:64ch;}
p:last-child{margin-bottom:0;}

a{color:var(--accent);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
a:hover{text-decoration-thickness:2px;}
a:focus-visible{outline:3px solid var(--accent);outline-offset:3px;}

h1,h2,h3{margin:0 0 .6em;}

h1{
  font-size:clamp(2.3rem,6.4vw,4.5rem);
  font-weight:700;
  letter-spacing:-.035em;
  line-height:1.03;
  max-width:16ch;
}

h2{
  font-size:clamp(1.35rem,2.7vw,1.95rem);
  font-weight:700;
  letter-spacing:-.015em;
  line-height:1.2;
}

h3{
  font-size:1.06rem;
  font-weight:700;
  letter-spacing:.01em;
}

.num{
  display:block;
  font-size:13px;
  font-weight:700;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--accent2);
  margin-bottom:14px;
}

.cap{
  font-size:13px;
  line-height:1.55;
  color:var(--text-dim);
  max-width:42ch;
  margin:0;
}

/* ---------- grille et perméabilités ---------- */

.grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:5px;
  background:var(--line);
}

.cell{
  background:var(--bg);
  padding:72px 44px;
  min-width:0;
}

.cell--alt{background:var(--bg-alt);}
.cell--gold{background:var(--accent);color:var(--text-dark);}
.cell--sage{background:var(--accent2);color:var(--text-dark);}
.cell--light{background:var(--bg-light);color:var(--text-dark);}

.cell--gold .num,.cell--sage .num,.cell--light .num{color:var(--text-dark);}
.cell--gold .cap,.cell--sage .cap{color:#2b3a30;}
.cell--light .cap{color:#4a5a4f;}
.cell--gold a,.cell--sage a,.cell--light a{color:var(--text-dark);}
.cell--light a{text-decoration-color:var(--accent);}
.cell--gold a:focus-visible,.cell--sage a:focus-visible,.cell--light a:focus-visible{outline-color:var(--text-dark);}

.tight{padding:44px;}

section{border-bottom:6px solid var(--line);}

/* ---------- en-tête ---------- */

.topbar{
  border-bottom:6px solid var(--line);
  background:var(--bg-alt);
  padding:22px 44px;
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  gap:14px 34px;
}

.brand{
  font-size:19px;
  font-weight:700;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--text);
  text-decoration:none;
}
.brand:hover{color:var(--accent);}

.topbar nav ul{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-wrap:wrap;
  gap:10px 26px;
}

.topbar nav a{
  font-size:14px;
  letter-spacing:.05em;
  color:var(--text-dim);
  text-decoration:none;
}
.topbar nav a:hover,.topbar nav a[aria-current="page"]{color:var(--accent);}
.topbar nav a[aria-current="page"]{text-decoration:underline;text-underline-offset:5px;}

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

.hero{border-bottom:6px solid var(--line);}

.hero-a{grid-column:1 / 8;grid-row:1 / 3;display:flex;flex-direction:column;justify-content:flex-end;}
.hero-b{grid-column:8 / 13;grid-row:1 / 2;}
.hero-c{grid-column:8 / 13;grid-row:2 / 3;min-height:130px;display:flex;align-items:flex-end;padding:28px 44px;}
.hero-d{grid-column:1 / 13;grid-row:3 / 4;padding:26px 44px;background:var(--bg-alt);}

.hero-a h1{margin-bottom:0;}
.hero-b p{font-size:18px;max-width:38ch;}

.jump ul{
  list-style:none;margin:0;padding:0;
  display:flex;flex-wrap:wrap;gap:10px 30px;
}
.jump a{font-size:14px;color:var(--text-dim);text-decoration:none;}
.jump a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px;}
.jump .num{display:inline;margin:0 8px 0 0;letter-spacing:.18em;}

/* ---------- listes ---------- */

ul.check,ol.steps{margin:0 0 1.1em;padding:0 0 0 1.15em;max-width:62ch;}
ul.check{list-style:none;padding-left:0;}
ul.check li{
  position:relative;
  padding-left:22px;
  margin-bottom:.55em;
}
ul.check li::before{
  content:"";
  position:absolute;
  left:0;top:.62em;
  width:9px;height:3px;
  background:var(--accent);
}
ol.steps li{margin-bottom:.55em;}
ol.steps li::marker{color:var(--accent2);font-weight:700;}
.cell--light ul.check li::before{background:#8a6f1f;}

.rule{
  border:0;
  border-top:1px solid var(--text-dim);
  opacity:.4;
  margin:34px 0;
}

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

footer.site{border-top:6px solid var(--line);}
.foot-a{grid-column:1 / 5;}
.foot-b{grid-column:5 / 8;}
.foot-c{grid-column:8 / 13;}
footer.site .cell{padding:52px 44px;}
footer.site nav ul{list-style:none;margin:0;padding:0;}
footer.site nav li{margin-bottom:.5em;}

/* ---------- répartitions de colonnes ---------- */

.c7{grid-column:1 / 8;}
.c5r{grid-column:8 / 13;}
.c4{grid-column:1 / 5;}
.c8r{grid-column:5 / 13;}
.c8l{grid-column:1 / 9;}
.c5{grid-column:1 / 6;}
.c3m{grid-column:6 / 9;}
.c4r{grid-column:9 / 13;}
.c12{grid-column:1 / 13;}
.c6{grid-column:1 / 7;}
.c6r{grid-column:7 / 13;}

/* ---------- panneau À propos ---------- */

.panel{border-bottom:6px solid var(--line);}
.panel .cell{grid-column:1 / 13;}
.panel .inner{max-width:none;}
.panel .cell > .wrap{width:100%;}
@media (min-width:861px){
  .panel .cell > .wrap{width:58.33%;}
}

/* ---------- adaptatif ---------- */

@media (max-width:1000px){
  .cell{padding:56px 34px;}
  .topbar{padding:20px 34px;}
  .hero-c,.hero-d{padding:24px 34px;}
  footer.site .cell{padding:44px 34px;}
}

@media (max-width:860px){
  body{font-size:16px;}
  .grid{grid-template-columns:1fr;}
  .hero-a,.hero-b,.hero-c,.hero-d,
  .c7,.c5r,.c4,.c8r,.c8l,.c5,.c3m,.c4r,.c12,.c6,.c6r,
  .foot-a,.foot-b,.foot-c{grid-column:1 / 2;grid-row:auto;}
  .cell{padding:44px 24px;}
  .hero-c{min-height:90px;padding:28px 24px;}
  .hero-d{padding:22px 24px;}
  .topbar{padding:18px 24px;}
  footer.site .cell{padding:36px 24px;}
  h1{max-width:none;}
}