/* BASE STYLES */
body {
  margin: 0;
  font-family: 'Poppins', sans-serif;
  background: #f4f6f8;
  color: #222;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: auto;
}


.header {
  background: linear-gradient(to right, #0d1b2a, #1b2f4a);
  color: white;
  padding: 50px 20px;
  text-align: center;
  animation: headerZoom 1s ease-out;
}

.header h1 {
  font-size: 48px;
  margin: 0;
}

.header .tagline {
  font-size: 20px;
  margin: 15px 0;
}

.header .btn {
  padding: 12px 25px;
  background: #ff6b6b;
  color: white;
  text-decoration: none;
  font-weight: 600;
  border-radius: 5px;
  transition: 0.3s;
}

.header .btn:hover {
  background: #ff4b4b;
}

/* HERO */
.hero {
  text-align: center;
  padding: 50px 20px;
}

/* FEATURES */
.features h2 {
  text-align: center;
  margin-bottom: 30px;
}

.feature-cards {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
}

.feature-card {
  background: white;
  padding: 20px;
  border-radius: 8px;
  width: 250px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
  transition: transform 0.3s, box-shadow 0.3s;
  text-align: center;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

/* LANGUAGE CARDS */
.languages h2, .languages p {
  text-align: center;
}

.cards {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-top: 20px;
}

.card {
  background: white;
  padding: 25px;
  width: 180px;
  text-align: center;
  text-decoration: none;
  color: #0d1b2a;
  font-weight: 600;
  border-radius: 8px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
  transition: transform 0.3s, box-shadow 0.3s, background 0.3s, color 0.3s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.card img {
  width: 50px;
  height: 50px;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.2);
  background: #0d1b2a;
  color: white;
}

/* ROADMAP / TIMELINE */
.roadmap h2 {
  text-align: center;
  margin-bottom: 30px;
}

.timeline {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
}

.timeline-item {
  background: white;
  padding: 20px;
  width: 220px;
  border-radius: 8px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
}

.timeline-item:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

/* FOOTER */
.footer {
  text-align: center;
  padding: 20px;
  background: #0d1b2a;
  color: white;
}

/* RESPONSIVE */
@media(max-width: 768px){
  .feature-cards, .cards, .timeline {
    flex-direction: column;
    align-items: center;
  }
}
.topic-list {
  list-style: none;
  padding: 0;
}

.topic-list li {
  background: #ffffff;
  margin: 10px 0;
  padding: 15px 20px;
  border-radius: 6px;
  cursor: pointer;
  box-shadow: 0 5px 15px rgba(0,0,0,0.05);
  transition: background 0.3s, transform 0.3s;
}

.topic-list li:hover {
  background: #0d1b2a;
  color: white;
  transform: translateX(5px);
}

.topic-content {
  display: none;
  background: #f9f9f9;
  padding: 15px 20px;
  margin: 0 0 10px 0;
  border-left: 4px solid #0d1b2a;
  border-radius: 4px;
  white-space: pre-wrap;
}