:root {
  --ardoise: #d9e0e8;
  --ardoise-foncee: #1b2631;
  --craie: #f6f3ea;
  --craie-vive: #fffdf7;
  --ambre: #c47d14;
  --ambre-doux: #e8a317;
  --vert-signal: #1d7a4a;
  --vert-clair: #2f9e64;
  --encre: #1b2631;
  --encre-douce: #3d4c5c;
  --ligne: #b7c2ce;
  --focus: #8a4b00;
  --fond: var(--ardoise);
  --papier: var(--craie);
}
* { box-sizing: border-box; }
html { font-size: 112.5%; }
body {
  margin: 0;
  background:
    linear-gradient(180deg, #eef2f6 0%, var(--ardoise) 28%, #d3dbe4 100%);
  color: var(--encre);
  font-family: "Segoe UI", "Candara", "Gill Sans", sans-serif;
  line-height: 1.55;
}
a { color: #155c38; text-underline-offset: 0.18em; }
a:hover { color: var(--encre); }
:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}
.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: var(--ardoise-foncee);
  color: var(--craie);
  padding: 0.5rem 0.8rem;
}
.skip:focus { top: 1rem; }
.bandeau {
  background: var(--ardoise-foncee);
  color: var(--craie);
  padding: 0.55rem 1.2rem;
  font-size: 0.92rem;
  letter-spacing: 0.01em;
}
.bandeau strong { color: var(--ambre-doux); }
.masthead {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(16rem, 0.8fr);
  gap: 1.2rem;
  padding: 1.3rem 1.4rem 0.8rem;
  border-bottom: 1px solid var(--ligne);
  background: var(--craie);
}
.marque {
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  font-size: 1.85rem;
  letter-spacing: -0.03em;
  margin: 0;
}
.marque span {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--encre-douce);
}
.commandes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 0.9rem;
  align-items: end;
  justify-content: end;
}
nav {
  background: #e7edf3;
  border-bottom: 1px solid var(--ligne);
  padding: 0.7rem 1.4rem;
}
nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.1rem;
}
.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.4rem;
  padding: 1.3rem;
}
@media (min-width: 900px) {
  .layout { grid-template-columns: minmax(0, 2.3fr) minmax(16rem, 0.85fr); }
}
.salle, .briefing, .papier {
  background: var(--papier);
  border: 1px solid var(--ligne);
  box-shadow: 0 1px 0 #fff inset;
}
.salle, .papier { padding: 1.3rem 1.4rem 1.6rem; }
.briefing { padding: 1.1rem 1.15rem 1.3rem; }
.briefing h2 { margin-top: 0; }
.mur {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
  gap: 0;
  border-top: 1px solid var(--ligne);
  border-bottom: 1px solid var(--ligne);
  margin: 1rem 0 1.3rem;
}
.mur article {
  padding: 0.85rem 0.9rem 1rem;
  border-right: 1px solid var(--ligne);
  background: var(--craie-vive);
}
.mur article:last-child { border-right: none; }
.mur .libelle {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--encre-douce);
}
.mur strong {
  display: block;
  font-size: 1.7rem;
  font-family: "Iowan Old Style", Palatino, Georgia, serif;
}
.mur .ecart { color: var(--ambre); font-weight: 650; }
.mur .ok { color: var(--vert-signal); }
h1, h2, h3 {
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  line-height: 1.2;
}
.hero p, .chapo { font-size: 1.05rem; max-width: 42rem; }
.actions-form, form.compact {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.6rem;
  align-items: end;
}
label { display: grid; gap: 0.2rem; font-size: 0.92rem; }
input, select, textarea, button {
  font: inherit;
  color: inherit;
}
input, select, textarea {
  border: 1px solid #8d99a6;
  background: #fffdf8;
  padding: 0.38rem 0.5rem;
}
button, .bouton {
  background: var(--ardoise-foncee);
  color: var(--craie);
  border: 0;
  padding: 0.45rem 0.8rem;
  text-decoration: none;
  display: inline-block;
}
button.secondaire, .bouton.secondaire {
  background: transparent;
  color: var(--encre);
  border: 1px solid var(--encre);
}
.flash, .erreur, .avis {
  padding: 0.7rem 0.85rem;
  margin: 0 0 1rem;
}
.avis { background: #e4f4ea; border-left: 4px solid var(--vert-signal); }
.erreur { background: #f7ead4; border-left: 4px solid var(--ambre); }
table {
  width: 100%;
  border-collapse: collapse;
  background: var(--craie-vive);
}
th, td {
  border-bottom: 1px solid var(--ligne);
  text-align: left;
  padding: 0.45rem 0.5rem;
  vertical-align: top;
}
.graphique {
  background: #eef2f6;
  padding: 0.8rem;
  margin: 1rem 0;
}
.tableau-donnees { margin-top: 0.8rem; font-size: 0.92rem; }
.liste-etapes { padding-left: 1.1rem; }
.liste-etapes li { margin: 0.4rem 0; }
.pied {
  padding: 1rem 1.4rem 1.6rem;
  color: var(--encre-douce);
  font-size: 0.92rem;
}
.calendrier {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
  gap: 0.7rem;
}
.calendrier section {
  background: #eef2f6;
  padding: 0.7rem 0.8rem;
}
.portefeuille {
  display: grid;
  gap: 1rem;
}
.portefeuille h3 { margin-bottom: 0.3rem; }
@media (max-width: 767px) {
  .masthead, .layout { grid-template-columns: 1fr; }
  .marque { font-size: 1.45rem; }
  nav ul { gap: 0.45rem 0.75rem; }
}