/* Fix scroll horizontal et largeur globale */
html,
body {
  margin: 0;
  padding: 0;
  width: 100%;
  overflow-x: hidden; /* empêche tout débordement horizontal */
  box-sizing: border-box;
  text-align: center;
}

*,
*::before,
*::after {
  box-sizing: inherit;
}

/* Pour toutes les sections, pas de largeur dépassant l'écran */
section {
  max-width: 100%;
  padding-left: 2rem;
  padding-right: 2rem;
}

/* Pour header / hero */
header,
.hero {
  max-width: 100%;
}

/* Eviter les éléments grid / flex de dépasser */
.cards,
.skills-grid {
  max-width: 100%;
}

/* Header / Hero */
header,
.hero {
  text-align: center;
  padding: 2rem;
  background: #222;
  color: white;
}
.hero {
  background: linear-gradient(135deg, #6b73ff 0%, #000dff 100%);
  position: relative;
}
.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}
.hero p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
}

/* Burger en haut à droite */
/* Transforme le burger en 3 barres */
.burger {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 30px;
  height: 25px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
  z-index: 1001;
}

.burger span {
  display: block;
  height: 4px;
  width: 100%;
  background-color: white;
  border-radius: 2px;
  transition: all 0.4s ease; /* plus smooth */
}

/* animation quand burger actif */
.burger.active span:nth-child(1) {
  opacity: 0.5; /* barre du milieu disparaît */
}
.burger.active span:nth-child(2) {
  opacity: 0.5; /* barre du milieu disparaît */
}
.burger.active span:nth-child(3) {
  opacity: 0.5; /* barre du milieu disparaît */
}

/* Menu nav */
.nav {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 70px;
  right: 20px;
  background: #000000c9;
  padding: 1rem;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  z-index: 1000;
  transform: translateX(100%);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.nav.show {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}

/* Liens du menu */
.nav a {
  color: white;
  text-decoration: none;
  margin: 0.5rem 0;
  font-weight: 600;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.nav a:hover {
  transform: scale(1.1);
  text-decoration: underline;
}