/* Graneliovo — feuille de style commune */

:root {
  --sand: #f4ece0;
  --sand-alt: #e8dbc7;
  --dark: #33231a;
  --ink: #2a2119;
  --ink-soft: #7d6f5c;
  --brick: #b0512c;
  --blue: #37596b;
  --step: 84px;
  --sans: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --serif: Georgia, "Times New Roman", serif;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--sand);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.7;
  overflow-x: hidden;
}

.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: 32px;
}

/* ---------- typographie ---------- */

h1, h2, h3 {
  font-family: var(--sans);
  font-weight: 800;
  color: var(--ink);
  margin: 0;
}

h1 {
  font-size: clamp(2.4rem, 6.2vw, 4.3rem);
  line-height: 0.98;
  letter-spacing: -0.035em;
}

h2 {
  font-size: clamp(1.5rem, 2.9vw, 2.05rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
}

h3 {
  font-size: 1.12rem;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 30px 0 10px;
}

p { margin: 0 0 20px; }

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

a {
  color: var(--brick);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

a:hover { text-decoration-thickness: 2px; }

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

ul, ol {
  margin: 0 0 20px;
  padding-left: 20px;
}

li { margin-bottom: 9px; }

li::marker { color: var(--brick); }

.lead {
  font-size: 1.16rem;
  line-height: 1.62;
}

.note {
  font-family: var(--sans);
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--ink-soft);
  letter-spacing: 0.01em;
}

/* ---------- en-tête ---------- */

.site-head {
  border-bottom: 1px solid rgba(42, 33, 25, 0.18);
}

.site-head .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px 28px;
  padding-top: 22px;
  padding-bottom: 20px;
}

.brand {
  font-family: var(--sans);
  font-weight: 800;
  font-size: 1.18rem;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
}

.brand:hover { color: var(--brick); }

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav li { margin: 0; }

.site-nav a {
  font-family: var(--sans);
  font-size: 0.87rem;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--brick);
  border-bottom-color: var(--brick);
}

/* ---------- héro ---------- */

.hero { padding: 64px 0 var(--step); }

.hero h1 { grid-column: 1 / 9; }

.hero .lead {
  grid-column: 1 / 7;
  margin-top: 26px;
}

.hero .indexcol { grid-column: 10 / 13; }

/* colonne-repère */

.indexcol {
  font-family: var(--sans);
  font-size: 0.82rem;
  line-height: 1.45;
  color: var(--ink-soft);
}

.indexcol p { margin-bottom: 14px; }

.indexcol ol {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: repere;
}

.indexcol li {
  margin-bottom: 11px;
  padding-left: 30px;
  position: relative;
  counter-increment: repere;
}

.indexcol li::before {
  content: counter(repere, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  color: var(--blue);
  font-variant-numeric: tabular-nums;
}

.indexcol a {
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(125, 111, 92, 0.5);
}

.indexcol a:hover {
  color: var(--brick);
  border-bottom-color: var(--brick);
}

.indexcol .mail { color: var(--brick); border-bottom-color: var(--brick); }

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

.band { padding: var(--step) 0; }

.band-alt { background: var(--sand-alt); }

.band-dark {
  background: var(--dark);
  color: var(--sand);
}

.band-dark h2,
.band-dark h3 { color: var(--sand); }

.band-dark .rule { background: rgba(244, 236, 224, 0.35); }

.band-dark .mark { color: #8fa9b5; }

.band-dark .note { color: #bdae98; }

.band-dark a { color: #dd8a63; }

.band + .band { padding-top: var(--step); }

.block { grid-column: 1 / 8; grid-row: 2; }

.mark {
  grid-column: 10 / 13;
  grid-row: 1 / 3;
  font-family: var(--sans);
  font-size: 0.82rem;
  color: var(--blue);
  font-variant-numeric: tabular-nums;
  padding-top: 6px;
}

.rule {
  grid-column: 1 / 8;
  grid-row: 1;
  height: 1px;
  background: rgba(42, 33, 25, 0.25);
  margin-bottom: 26px;
}

.checklist {
  list-style: none;
  padding-left: 0;
}

.checklist li {
  padding-left: 22px;
  position: relative;
}

.checklist li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--brick);
}

.split {
  grid-column: 1 / 8;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  column-gap: 32px;
}

.split > div > h3:first-child { margin-top: 0; }

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

.site-foot {
  padding: 56px 0 44px;
  border-top: 1px solid rgba(42, 33, 25, 0.22);
}

.foot-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 18px 32px;
  align-items: flex-start;
}

.foot-name {
  font-family: var(--sans);
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: -0.025em;
}

.foot-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 24px;
  font-family: var(--sans);
  font-size: 0.84rem;
}

.foot-nav li { margin: 0; }

.foot-nav a { color: var(--ink-soft); text-decoration: none; border-bottom: 1px solid rgba(125,111,92,.5); }

.foot-nav a:hover { color: var(--brick); border-bottom-color: var(--brick); }

.foot-rule {
  height: 1px;
  background: rgba(42, 33, 25, 0.22);
  margin: 26px 0 20px;
}

.foot-mail {
  font-family: var(--sans);
  font-size: 0.95rem;
  margin-bottom: 8px;
}

/* ---------- pages intérieures ---------- */

.page-head { padding: 56px 0 40px; }

.page-head h1 { grid-column: 1 / 10; }

.page-head .lead { grid-column: 1 / 7; margin-top: 22px; }

.page-head .indexcol { grid-column: 10 / 13; }

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

@media (max-width: 900px) {
  :root { --step: 50px; }

  body { font-size: 17px; }

  .grid { column-gap: 0; }

  .hero { padding-top: 34px; }

  .hero h1,
  .hero .lead,
  .hero .indexcol,
  .page-head h1,
  .page-head .lead,
  .page-head .indexcol,
  .block,
  .mark,
  .rule,
  .split {
    grid-column: 1 / -1;
  }

  .hero .indexcol,
  .page-head .indexcol {
    order: -1;
    margin-bottom: 26px;
  }

  .hero, .page-head { grid-template-columns: 1fr; }

  .hero .indexcol ol,
  .page-head .indexcol ol {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 20px;
  }

  .hero .indexcol li,
  .page-head .indexcol li { margin-bottom: 4px; }

  .mark { padding-top: 0; margin-bottom: 6px; }

  .band .grid { grid-template-columns: 1fr; }

  .rule, .mark, .block, .split { grid-row: auto; }

  .mark { order: -2; }
  .rule { order: -1; }

  .split { display: block; }

  .rule { margin-bottom: 18px; }
}