body {
  margin: 0;
  font-family: 'KoPub Batang', 'sans-serif';
  background: linear-gradient(135deg, #002060, #1c1f4a);
  color: #fff;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background: #001840;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
}

nav a {
  color: #fff;
  margin-left: 1.5rem;
  text-decoration: none;
  font-weight: 500;
}

.hero {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  padding: 4rem 2rem;
}

.hero-text {
  max-width: 500px;
}

.hero-text h1 {
  font-size: 2.8rem;
}

.cta-button {
  background: #ffcc00;
  color: #000;
  padding: 0.8rem 1.5rem;
  text-decoration: none;
  border-radius: 8px;
  font-weight: bold;
  display: inline-block;
  margin-top: 1.2rem;
  transition: background 0.3s;
}

.cta-button:hover {
  background: #ffe066;
}

.hero-img img {
  max-width: 100%;
  height: auto;
}

.features {
  padding: 3rem 2rem;
  background: #001c3a;
}

.features h2 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

.features ul {
  list-style: none;
  padding-left: 0;
}

.features li {
  font-size: 1.2rem;
  margin-bottom: 0.8rem;
}


@media (max-width: 480px) {
  nav a {
    font-size: 14px;
    margin: 0 6px;
  }

  .logo-title {
    font-size: 18px;
    white-space: nowrap;
  }
}


.download-button {
  background-color: #ffcc00;
  color: #000;
  padding: 0.8rem 1.5rem;
  text-decoration: none;
  border-radius: 8px;
  font-weight: bold;
  display: inline-block;
  margin-top: 2rem;
  transition: background 0.3s;
}
.download-button:hover {
  background-color: #ffe066;
}
.download-section {
  padding: 3rem 2rem;
  background: #001c3a;
  text-align: center;
}
.download-section h2 {
  font-size: 1.6rem;
  margin-bottom: 1rem;
}