body {
  font-family: 'Noto Sans KR', Arial, sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.6;
  color: #333;
}

header {
  background: #005670;
  color: white;
  text-align: center;
  padding: 1.5rem;
  position: sticky;
  top: 0;
  z-index: 100;
}

header h1 {
  margin: 0;
  font-size: 2rem;
}

header a {
  color: white;
  text-decoration: none;
}

#hero {
  position: relative;
  text-align: center;
  color: white;
}

#hero img {
  width: 100%;
  max-height: 400px;
  object-fit: cover;
}

.hero-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(0, 0, 0, 0.5);
  padding: 2rem;
  border-radius: 10px;
}

.hero-content h2 {
  margin: 0;
  font-size: 2.5rem;
  color: #fff;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
}

.hero-content p {
  font-size: 1.3rem;
  color: #f0f0f0;
  margin: 1rem 0 0;
}

#jeju-program {
  padding: 3rem 1rem;
  max-width: 1200px;
  margin: 0 auto;
  background: linear-gradient(135deg, #e0e7eb, #f0f4f8);
}

#jeju-program h2 {
  font-size: 2.5rem;
  color: #005670;
  text-align: center;
  margin-bottom: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
}

#jeju-program .subtext {
  font-size: 1.3rem;
  color: #333;
  text-align: center;
  margin: 1rem 0;
  font-style: italic;
}

.program-content {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  align-items: center;
}

.program-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  padding: 0;
  margin: 0;
}

.program-list span {
  font-size: 1.5rem;
  color: #005670;
  padding: 0.5rem 1rem;
  background-color: #fff;
  border-radius: 20px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, background-color 0.3s ease;
}

.program-list span:hover {
  transform: scale(1.1);
  background-color: #e8f1f7;
}

.image-gallery {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.image-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.image-row img {
  width: 32%; /* Approximately one-third of the row */
  height: 200px;
  object-fit: cover;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

.image-row img:hover {
  transform: scale(1.05);
}

#call-to-action {
  padding: 3rem 1rem;
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
  background: linear-gradient(135deg, #fff, #e8f1f7);
}

#call-to-action p {
  font-size: 1.5rem;
  color: #333;
  margin-bottom: 2rem;
  font-weight: 600;
}

.kakao-button img {
  width: 150px;
  height: 150px;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.kakao-button img:hover {
  transform: scale(1.1);
}

footer {
  background: #000;
  color: white;
  text-align: center;
  padding: 1.5rem;
}

footer p {
  margin: 0;
  font-size: 0.9rem;
}

@media (max-width: 900px) {
  .program-content {
    flex-direction: column;
  }
  .program-list {
    flex-direction: column;
    align-items: center;
  }
  .program-list span {
    width: 80%;
    text-align: center;
  }
  .image-row {
    flex-direction: column;
    align-items: center;
  }
  .image-row img {
    width: 100%;
    height: 200px;
  }
}