* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Poppins', sans-serif;
  min-height: 100vh;
  background: linear-gradient(135deg, #ff758c, #ff7eb3);
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* HEADER */
.header {
  width: 100%;
  text-align: center;
  padding: 70px 20px 50px;
}

.names {
  font-family: 'Great Vibes', cursive;
  font-size: 4rem;
  margin-bottom: 25px;
}

.pulse {
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.08); }
  100% { transform: scale(1); }
}

.start-btn {
  background: #fff;
  color: #ff4d6d;
  border: none;
  padding: 14px 34px;
  border-radius: 30px;
  font-size: 1rem;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s;
}

.start-btn:hover {
  transform: scale(1.08);
}

/* CONTENT */
.content {
  max-width: 800px;
  padding: 20px;
  opacity: 0;
  transition: opacity 1s ease;
}

.content.show {
  opacity: 1;
}

.card {
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 30px;
  margin: 30px 0;
  box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.card h2 {
  margin-bottom: 15px;
}

/* TIMELINE */
.timeline {
  list-style: none;
}

.timeline li {
  margin: 12px 0;
}

.timeline span {
  font-weight: 600;
}

/* LETTER */
.letter {
  font-style: italic;
}

/* RESPONSIVE */
@media (max-width: 600px) {
  .names {
    font-size: 2.8rem;
  }
}