/* Reset */
* {
  box-sizing: border-box;
}

/* Base sombre */
body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont,
               "Segoe UI", Roboto, Arial, sans-serif;
  line-height: 1.7;
  background: #0e0f13;
  color: #e5e7eb;
}

/* Liens */
a {
  color: #60a5fa;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Header */
.site-header {
  background: #0b0c10;
  border-bottom: 1px solid #1f2937;
}

.header-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem;
  display: flex;
  align-items: center;
  gap: 2rem;
}

/* Logo */
.logo {
  height: 68px;
  width: auto;
}

/* Navigation */
nav a {
  margin-right: 1.2rem;
  font-weight: 500;
}

/* Contenu centré */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

/* Iframe responsive */
iframe {
  width: 100%;
  border: 1px solid #1f2937;
  border-radius: 8px;
  background: #000;
}

/* Mobile */
@media (max-width: 700px) {
  .header-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  nav a {
    display: inline-block;
    margin-bottom: 0.5rem;
  }
}