/* Reset and Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  display: flex;
  font-family: 'Inter', sans-serif;
  background-color: #0b0f1a;
  color: #e6eaf0;
  line-height: 1.6;
}

/* Sidebar */
.sidebar {
  width: 220px;
  background: #101521;
  border-right: 1px solid #1c2435;
  padding: 40px 20px;
  height: 100vh;
  position: fixed;
  left: 0;
  top: 0;
}

.logo {
  font-size: 1.6rem;
  font-weight: 700;
  color: #00bcd4;
  text-align: center;
  margin-bottom: 40px;
}

.sidebar nav a {
  display: block;
  color: #aab4c4;
  text-decoration: none;
  margin: 16px 0;
  font-weight: 500;
  transition: color 0.2s ease;
}

.sidebar nav a:hover {
  color: #00bcd4;
}

/* Main Content */
main {
  margin-left: 220px;
  flex: 1;
  padding: 60px 40px;
}

section {
  margin-bottom: 80px;
}

h1, h2 {
  color: #00bcd4;
  margin-bottom: 20px;
  font-weight: 600;
}

h1 {
  font-size: 2.4rem;
}

h2 {
  font-size: 1.8rem;
}

p {
  font-size: 1.1rem;
  max-width: 800px;
  color: #c5ccda;
}

.note {
  font-style: italic;
  color: #99a5b6;
  margin-top: 20px;
}

/* Airdrop Grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 20px;
  margin-top: 30px;
}

.coin {
  background: #1a2133;
  border: 1px solid #2c354a;
  padding: 16px;
  text-align: center;
  border-radius: 6px;
  font-weight: 600;
  color: #e0f7ff;
  font-size: 1rem;
  transition: background 0.3s ease;
}

.coin:hover {
  background: #24314a;
}

/* Steps */
.steps {
  margin-top: 30px;
  list-style: decimal inside;
  font-size: 1.1rem;
  color: #d0d8e4;
}

.steps li {
  margin-bottom: 15px;
}

/* Footer */
footer {
  border-top: 1px solid #1a2130;
  padding-top: 30px;
  text-align: center;
  font-size: 0.95rem;
  color: #8892a5;
}

/* Responsive */
@media (max-width: 768px) {
  body {
    flex-direction: column;
  }

  .sidebar {
    position: relative;
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
  }

  .sidebar nav {
    display: flex;
    gap: 20px;
  }

  main {
    margin-left: 0;
    padding: 40px 20px;
  }

  .grid {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  }
}