/*body {
    font-family: Arial, Helvetica, sans-serif;
    background-color: rgb(0, 0, 0);
    color: white;
}

h1 {
    font-size: 90px;
    font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
}

.rubrique{
    float: right;
}

.btn-neon {
  position: relative;
  display: inline-block;
  padding: 15px 35px;
  color: white;
  text-decoration: none;
  font-weight: bold;
  letter-spacing: 1px;

  border-radius: 12px;
  overflow: hidden;

  background: linear-gradient(135deg, rgb(224, 0, 0), rgb(132, 0, 0));

  transition: 0.3s ease;

  box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

/* 🔥 effet lumière qui traverse */
/*.btn-neon::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  
  background: linear-gradient(
    120deg,
    transparent,
    rgba(255,255,255,0.6),
    transparent
  );

  transition: 0.6s;
}

.btn-neon:hover::before {
  left: 100%;
}

/* 💥 hover = bouton qui sort */
/*.btn-neon:hover {
  transform: translateY(-8px) scale(1.05);

  box-shadow:
    0 20px 30px rgba(0,0,0,0.4),
    0 0 15px rgb(224, 0, 0),
    0 0 30px rgb(224, 0, 0);
}

/* ⚡ clic réaliste */
/*.btn-neon:active {
  transform: translateY(-2px) scale(0.98);
  box-shadow: 0 5px 10px rgba(0,0,0,0.3);
}


.btn-neon {
  background: linear-gradient(270deg,rgb(224, 0, 0), rgb(132, 0, 0)rgb(224, 0, 0));
  background-size: 400% 400%;
  animation: gradientMove 6s ease infinite;
}

@keyframes gradientMove {
  0% { background-position: 0% }
  50% { background-position: 100% }
  100% { background-position: 0% }
}

a{
    color: rgb(255, 255, 255);
    text-decoration: none;
}

a:hover{
    text-decoration: underline;
    color: rgb(218, 0, 0);
}*/


/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

/* Background Spider-Man */
body {
  height: 100vh;
  background: radial-gradient(circle at top, #1a1a2e, #000000);
  color: white;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Container */
#cont1 {
  text-align: center;
}

/* Menu */
.rubrique {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: center;
}

/* Boutons style Spider-Man */
.btn-neon {
  padding: 12px 25px;
  font-size: 16px;
  text-transform: uppercase;
  border: 2px solid crimson;
  border-radius: 8px;
  background: transparent;
  color: white;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: 0.3s ease;
}

/* Effet glow rouge */
.btn-neon:hover {
  color: #fff;
  border-color: #00aaff;
  box-shadow: 
    0 0 10px crimson,
    0 0 20px crimson,
    0 0 40px #00aaff;
}

/* Effet "web" animé */
.btn-neon::before {
  content: "";
  position: absolute;
  width: 150%;
  height: 2px;
  background: linear-gradient(90deg, transparent, white, transparent);
  top: 0;
  left: -100%;
  transition: 0.4s;
}

.btn-neon:hover::before {
  left: 100%;
}

/* Lien stylé comme bouton */
.btn-neon a {
  text-decoration: none;
  color: inherit;
}

/* Animation style “énergie” */
@keyframes pulse {
  0% {
    box-shadow: 0 0 5px red;
  }
  50% {
    box-shadow: 0 0 20px blue;
  }
  100% {
    box-shadow: 0 0 5px red;
  }
}

.btn-neon {
  animation: pulse 2s infinite;
}