/* ========================================
   Present Step1 전용 스타일
   ======================================== */

footer {
  padding-bottom: 195px;
}

/* 초기 로딩 상태 - 다른 UI 숨김 */
.intro-text,
.features-section,
.delivery-info,
.cta-section {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}

/* 이미지 로딩 완료 후 다른 UI 표시 */
.content-loaded .intro-text,
.content-loaded .features-section,
.content-loaded .delivery-info,
.content-loaded .cta-section {
  opacity: 1;
  transform: translateY(0);
}

/* 소개 텍스트 */
.intro-text {
  font-size: 1.2rem;
  line-height: 1.6;
  text-align: center;
  margin: 20px;
  margin-bottom: 50px;
  opacity: 0.9;
}

/* 상품 이미지 섹션 */
.product-images {
  display: flex;
  flex-direction: column;
  gap: 0px;
  margin-bottom: 60px;
  /* box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3); */
  transition: transform 0.3s ease;
}

.product-image {
  width: 100%;
  vertical-align: top;
}

.image-placeholder {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top: 3px solid #155ce9;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.image-caption {
  text-align: center;
  font-size: 1.1rem;
  margin-top: 15px;
  opacity: 0.8;
}

/* 기능 섹션 (주석 처리된 부분) */
.features-section {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 20px;
  padding: 40px;
  margin: 20px;
  margin-bottom: 50px;
  backdrop-filter: blur(10px);
}

.features-section h2 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 30px;
  color: #155ce9;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
}

.feature-item {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 15px;
  padding: 25px;
  text-align: center;
  transition: transform 0.3s ease;
}

.feature-item:hover {
  transform: translateY(-5px);
}

.feature-item h3 {
  color: #155ce9;
  margin-bottom: 15px;
  font-size: 1.3rem;
}

.feature-item p {
  opacity: 0.8;
  line-height: 1.5;
}

/* CTA 섹션 */
.cta-section {
  text-align: center;
  margin-top: 60px;
}

.cta-button {
  background: linear-gradient(45deg, #ff6b6b, #ff8c42);
  color: white;
  border: none;
  border-radius: 50px;
  padding: 20px 50px;
  font-size: 1.5rem;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-block;
}

.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(255, 107, 107, 0.4);
}

/* 배송 정보 */
.delivery-info {
  background: rgba(255, 215, 0, 0.1);
  border: 1px solid rgba(255, 215, 0, 0.3);
  border-radius: 15px;
  padding: 25px;
  margin: 20px;
  margin-top: 40px;
  text-align: center;
}

.delivery-info h3 {
  color: #155ce9;
  margin-bottom: 15px;
}

.delivery-info p {
  opacity: 0.9;
  line-height: 1.5;
}

/* 데스크톱/태블릿 스타일 - 모바일이 아닌 해상도 */
@media (min-width: 769px) {
  .product-images {
  }

  .product-images img {
    max-width: 500px;
    height: auto;
  }
}

/* 모바일 반응형 - step1 전용 */
@media (max-width: 768px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
}