/* Styles communs à toutes les pages */
:root {
  --fond: #0f1220;
  --texte: #f2f3f7;
  --accent: #ffb400;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--fond);
  color: var(--texte);
}

header, footer { padding: 1rem 1.5rem; }

.logo {
  color: var(--accent);
  font-weight: 700;
  font-size: 1.4rem;
  text-decoration: none;
}

main {
  flex: 1;
  display: grid;
  place-items: center;
  padding: 2rem 1.5rem;
  text-align: center;
}

.hero h1 { font-size: clamp(2rem, 6vw, 3.5rem); margin: 0 0 1rem; }
.hero p { font-size: 1.15rem; opacity: .85; }
.hero .date { font-size: .9rem; opacity: .6; }

footer { text-align: center; opacity: .6; font-size: .9rem; }