/* Identité : docs/identite-visuelle.md §3–5. Page statique, sans compilation. */
@font-face {
  font-family: 'Archivo Narrow'; font-style: normal; font-weight: 700;
  font-display: swap; src: url('assets/archivo-narrow-700.woff2') format('woff2');
}
@font-face {
  font-family: 'IBM Plex Sans'; font-style: normal; font-weight: 400;
  font-display: swap; src: url('assets/ibm-plex-sans-400.woff2') format('woff2');
}
:root {
  --canvas: #E9DDC8; --cream: #F7F1E6; --tobacco: #202421;
  --leather: #873B26; --saddle: #8A6A55; --dust: #566467;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; background: var(--canvas); color: var(--tobacco); font: 400 16px/1.65 'IBM Plex Sans', Arial, sans-serif; }
a { color: inherit; }
a:focus-visible { outline: 3px solid var(--tobacco); outline-offset: 5px; }
.page { max-width: 1600px; margin: auto; padding: 0 48px; }
.header { min-height: 128px; border-bottom: 1px solid var(--saddle); display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.logo { display: block; width: 192px; height: auto; }
.opening { color: var(--leather); font-size: 12px; text-transform: uppercase; letter-spacing: .22em; }
.hero { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; padding: 40px 0; align-items: stretch; }
.hero-copy { padding: 28px 0 12px; align-self: center; }
h1, h2 { font-family: 'Archivo Narrow', 'Arial Narrow', sans-serif; font-weight: 700; text-transform: uppercase; }
h1 { font-size: clamp(64px, 7.4vw, 116px); line-height: .97; letter-spacing: -.045em; margin: 0 0 28px; }
h1 span { color: var(--leather); white-space: nowrap; }
.subtitle { font-size: clamp(22px, 2.05vw, 30px); line-height: 1.3; margin: 0 0 24px; }
.intro { max-width: 48ch; margin: 0 0 30px; font-size: 17px; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 32px; min-height: 58px; padding: 14px 26px; text-decoration: none; background: var(--leather); color: var(--cream); font-size: 13px; text-transform: uppercase; letter-spacing: .12em; }
.button:hover { background: var(--tobacco); }
.button span { font-size: 22px; }
.note { font-size: 12px; color: var(--dust); margin: 14px 0 0; }
.campaign { margin: 0; min-width: 0; display: flex; flex-direction: column; }
.campaign img { display: block; width: 100%; height: 100%; min-height: 540px; max-height: 660px; object-fit: cover; object-position: 100% center; }
.campaign figcaption { padding-top: 10px; font-size: 12px; color: var(--dust); }
.univers { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--saddle); padding: 32px 0; }
.univers article { padding: 0 26px; border-left: 1px solid var(--saddle); }
.univers article:first-child { padding-left: 0; border-left: 0; }
.univers article:last-child { padding-right: 0; }
h2 { font-size: 25px; line-height: 1.2; margin: 0 0 16px; }
.univers p { margin: 0; font-size: 15px; }
footer { border-top: 1px solid var(--saddle); padding: 24px 0; display: flex; justify-content: space-between; align-items: center; gap: 24px; }
footer p { margin: 0; font-size: 14px; }
footer span { font-size: 10px; letter-spacing: .14em; }
.skip-link { position: absolute; top: -100px; left: 16px; z-index: 2; background: var(--cream); padding: 12px 20px; }
.skip-link:focus { top: 12px; }
@media (max-width: 1100px) {
  .page { padding: 0 32px; }
  .hero { gap: 32px; }
  h1 { font-size: clamp(58px, 7.5vw, 82px); }
  .campaign img { min-height: 500px; }
  .univers { grid-template-columns: repeat(2, 1fr); row-gap: 32px; }
  .univers article:nth-child(3) { border-left: 0; padding-left: 0; }
}
@media (max-width: 700px) {
  .page { padding: 0 22px; }
  .header { min-height: 104px; gap: 16px; }
  .logo { width: 148px; }
  .opening { max-width: 105px; text-align: right; font-size: 10px; letter-spacing: .12em; }
  .hero { grid-template-columns: 1fr; padding: 32px 0; gap: 28px; }
  .hero-copy { padding: 0; }
  h1 { font-size: clamp(52px, 11.5vw, 80px); margin-bottom: 22px; }
  .subtitle { font-size: 24px; }
  .intro { font-size: 16px; }
  .campaign img { min-height: 0; height: auto; aspect-ratio: 4 / 3; object-position: 72% center; }
  .univers { grid-template-columns: 1fr; gap: 24px; padding: 28px 0; }
  .univers article { border-left: 0; padding: 0; }
  h2 { margin-bottom: 8px; }
  .univers p { font-size: 16px; }
  footer { flex-direction: column; align-items: flex-start; gap: 10px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }