body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background: url('bg.png') center/cover fixed;
  color: #444;
}

.background {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: url('bg.png') repeat center;
  z-index: -1;
  opacity: 0.2;
}

.container {
  display: flex;
  justify-content: center;
  margin-top: 60px;
}

.card {
  display: flex;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.08);
  max-width: 900px;
  padding: 30px;
  gap: 40px;
}

.char-img img {
  height: 420px;
  border-radius: 12px;
}

.char-text {
  max-width: 400px;
}

.char-text h2 {
  font-size: 28px;
  margin: 0;
}

.char-text small {
  color: #888;
  display: block;
  margin-bottom: 16px;
}

.desc {
  border: 1px solid #eee;
  border-radius: 10px;
  padding: 15px;
  background: #fafafa;
  font-size: 15px;
  line-height: 1.6;
}

/* Timeline Buttons */
.timeline {
  position: fixed;
  right: 40px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(to bottom right, #f9c, #caf);
  color: #fff;
  font-weight: bold;
  font-size: 18px;
  text-decoration: none;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
  transition: transform 0.2s;
}

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

.btn.active {
  border: 2px solid #fff;
}