* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  color: #111;
  line-height: 1.5;
}

a {
  text-decoration: none;
  color: inherit;
}

/* HEADER */
.header {
  position: sticky;
  top: 0;
  background: #fff;
  border-bottom: 1px solid #e5e5e5;
}

.header-inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* LOGO */
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: bold;
}

.brand img {
  height: 40px;
  width: auto;
}

/* MENU DESKTOP */
.nav a {
  margin-left: 14px;
  padding: 6px 8px;
}

.nav a:hover {
  background: #f2f2f2;
  border-radius: 6px;
}

/* CONTENU */
main {
  max-width: 1000px;
  margin: 0 auto;
  padding: 32px 16px;
}

h1 {
  font-size: 28px;
  margin-bottom: 16px;
}

p {
  margin-bottom: 12px;
}

/* MENU MOBILE */
.menu {
  display: none;
}

@media (max-width: 800px) {
  .nav {
    display: none;
  }

  .menu {
    display: block;
  }

  .menu summary {
    cursor: pointer;
    padding: 6px 10px;
    border: 1px solid #ccc;
    border-radius: 6px;
  }

  .menu div a {
    display: block;
    padding: 8px 0;
  }
}

/* FOOTER */
.footer {
  border-top: 1px solid #e5e5e5;
  margin-top: 48px;
  background: #fafafa;
}

.footer-inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 24px 16px;
  font-size: 14px;
  color: #555;
}