/* ============================
   RESET (léger)
============================= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ============================
   HEADER
============================= */

header {
  width: 100%;
  background: #1f283f;
  padding: 1rem 2rem;
  position: sticky;
  top: 0;
  z-index: 50;
}

nav {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
}

/* BURGER MENU (caché par défaut sur desktop) */
.burger-menu {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 100;
}

.burger-menu span {
  width: 28px;
  height: 3px;
  background: #e5e7eb;
  border-radius: 3px;
  transition: all 0.3s ease;
}

.burger-menu.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.burger-menu.active span:nth-child(2) {
  opacity: 0;
}

.burger-menu.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* NAVIGATION */
nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

nav a {
  font-family: "Bebas Neue", sans-serif;
  font-size: 1.45rem;
  color: #e5e7eb;
  text-decoration: none;
  letter-spacing: 1px;
  transition: 0.25s ease;
}

nav a:hover {
  color: #8dc63f;
  text-decoration: underline;
}

/* ============================
   FOOTER
============================= */

footer {
  width: 100%;
  background: #1f283f;
  padding: 1.6rem;
  text-align: center;
  color: #9ca3af;
  font-size: 0.95rem;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  margin-top: auto;
}

/* ============================
   RESPONSIVE
============================= */

@media (max-width: 768px) {
  header {
    padding: 1rem;
  }

  .burger-menu {
    display: flex;
  }

  nav ul {
    position: fixed;
    top: 0;
    right: -100%;
    height: 100vh;
    width: 280px;
    background: #1f283f;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    padding: 5rem 2rem 2rem;
    gap: 1.5rem;
    transition: right 0.3s ease;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.3);
  }

  nav ul.active {
    right: 0;
  }

  nav li {
    width: 100%;
  }

  nav a {
    display: block;
    font-size: 1.6rem;
    padding: 0.5rem 0;
  }
}

@media (max-width: 600px) {
  footer {
    font-size: 0.85rem;
  }
}