@keyframes thunder {
  0% { box-shadow: 0 0 10px red; }
  50% { box-shadow: 0 0 30px crimson, 0 0 60px red; }
  100% { box-shadow: 0 0 10px red; }
}

@keyframes backgroundMove {
  0% { background-position: 0 0; }
  100% { background-position: 1000px 0; }
}

body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background: black url('https://logo-marque.com/wp-content/uploads/2021/08/Akatsuki-Logo.png') repeat;
  background-size: 300px;
  animation: backgroundMove 120s linear infinite;
  color: white;
  overflow-x: hidden;
}

header {
  text-align: center;
  padding: 2rem;
  background: rgba(0, 0, 0, 0.9);
  border-bottom: 3px solid crimson;
  box-shadow: 0 0 15px red;
}

h1 {
  font-size: 2.8rem;
  color: crimson;
  text-shadow: 2px 2px 10px black;
}

p {
  margin-top: 0.5rem;
  font-style: italic;
  color: #ddd;
}

.trombinoscope {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  padding: 2rem;
  gap: 2rem;
}

.card {
  width: 300px;
  height: 400px;
  background: rgba(20, 0, 0, 0.8);
  border: 3px solid crimson;
  border-radius: 20px;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
  animation: thunder 3s infinite;
  position: relative;
}

.card:hover {
  transform: scale(1.05);
}

.card img {
  width: 100%;
  height: 70%;
  object-fit: cover;
  border-bottom: 2px solid crimson;
}

.card .info {
  padding: 1rem;
  text-align: center;
}

.card h3 {
  margin: 0.5rem 0;
  font-size: 1.3rem;
  color: #ff4444;
}

.card p {
  margin: 0;
  font-size: 1rem;
  color: #aaa;
}

/* Mangekyo popup */
.popup {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.95);
  backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 99;
  transition: opacity 0.5s ease;
}

.popup.hidden {
  display: none;
}

.popup-content {
  background: black;
  border: 2px solid crimson;
  padding: 2rem;
  border-radius: 18px;
  box-shadow: 0 0 30px red;
  text-align: center;
  position: relative;
  max-width: 500px;
}

.popup-content img {
  width: 200px;
  height: 200px;
  object-fit: cover;
  border-radius: 50%;
  border: 5px solid crimson;
  margin-bottom: 1rem;
}

.popup-content h2 {
  font-size: 1.8rem;
  color: crimson;
}

.popup-content p {
  color: #ddd;
  margin-top: 0.5rem;
}

.close {
  position: absolute;
  top: 10px;
  right: 15px;
  font-size: 1.5rem;
  color: crimson;
  cursor: pointer;
}