body {
  font-family: "Noto Sans KR", sans-serif;
}
/* 기본 버튼 스타일 (사용자 지정 파란색 기반) */
.btn-primary {
  display: inline-block;
  padding: 0.75rem 1.5rem; /* py-3 px-6 */
  background-color: #7a4a1b; /* blue-600 */
  color: white;
  border-radius: 0.5rem; /* rounded-lg */
  font-weight: 600; /* semibold */
  box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1); /* shadow */
  transition: background-color 0.2s ease-in-out;
  text-decoration: none; /* 링크의 밑줄 제거 */
}
.btn-primary:hover {
  background-color: #7a4a1b; /* blue-700 */
}
/* 작은 버튼 스타일 */
.btn-sm {
  padding: 0.375rem 0.75rem; /* py-1.5 px-3 */
  font-size: 0.875rem; /* text-sm */
  border-radius: 0.375rem; /* rounded-md */
}
.btn-naver {
  background-color: #00c852;
}
.btn-naver:hover {
  background-color: #0bae4f;
}
.naver-link {
  color: #00c852;
}
.main-bg {
  padding-top: 72px;
  background-image: url("img/main_bg.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  /* 배경 위에 어두운 오버레이 효과 */
  position: relative;
  z-index: 1;
}
.main-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  /* background: linear-gradient(
    to top,
    rgba(255, 255, 255, 0.4) 10%,
    rgba(255, 255, 255, 0.5) 80%,
    #fff 100%
  ); */
  z-index: -1;
}
/* 고정 헤더 및 스크롤 배경 위젯 */
#site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background-color: rgba(255, 255, 255, 0.9);
  /* visibility: hidden; */
  transition: background-color 0.3s ease, box-shadow 0.3s ease,
    backdrop-filter 0.3s ease;
}
#site-header.scrolled {
  visibility: visible;
  background-color: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(8px);
  box-shadow: 0 10px 15px -10px rgba(0, 0, 0, 0.25);
}
/* 포트폴리오 페이드업 위젯 - 다른 영역 영향 없음 */
#portfolio .fade-up-card {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  will-change: opacity, transform;
}
#portfolio .fade-up-card.visible {
  opacity: 1;
  transform: translateY(0);
}

/* 카테고리 페이지 페이드업 위젯 - 다른 영역 영향 없음 */
#category-list .fade-up-card {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  will-change: opacity, transform;
}
#category-list .fade-up-card.visible {
  opacity: 1;
  transform: translateY(0);
}