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

a {
  all: unset; /* 완전히 초기화 (권장) */
  cursor: pointer;
}

html, body {
  width: 100%;
  min-height: 100vh;
  background-color: #000;
  overflow-x: hidden;
  font-family: 'YESMyoungjo-Regular', serif;
}

/* Layout */
.background-wrapper {
  position: relative;
  width: 100%;
}

.background-container img {
  width: 100%;
  height: 255vh;
  display: block;
  object-fit: cover;
  position: relative;
  z-index: 1;
}

/* Particle */
.particle-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 28%;
  z-index: 2;
  pointer-events: none;
}

#particles-js {
  width: 100%;
  height: 100%;
}

/* 시작 */
#gnb {
  position: fixed;
  top: 30px;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  color: #fff;
  z-index: 31;
}

.gnb-center {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8vw;
  font-size: 16px;
  font-family: 'Pretendard', sans-serif;
  font-weight: 300;
  color: #A7A7A7;
  z-index: 32;
  cursor: pointer;
}

.gnb-center span:hover{
  font-weight: 300;
  color: #fff;
}

#gnbTitle {
  position: absolute;
  right: 3vw;
  font-size: 14px;
  font-family: 'YESMyoungjo-Regular', serif;
  opacity: 0.6;
  white-space: nowrap;
  font-size: 12px;
  z-index: 32;
  cursor: pointer;
}

.title-wrapper {
  position: absolute;
  top: 60px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 30;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 40px; /* 각 콘텐츠 간 간격 */
  width: 100%;
  /* max-width: 900px; */
}

/* 캐러셀 이미지 */
.tracking-carousel {
  width: 100%;
  max-height: 400px; /* 최대 높이 제한 */
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  z-index: 3;
}

.tracking-carousel img {
  max-height: 400px;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover; /* 비율 유지하며 정렬 */
  margin: 0 auto;
  display: block;
}

/* 콘텐츠 공통 스타일 */
.tracking-content {
  text-align: center;
  color: #fff;
  font-family: 'Pretendard', sans-serif;
  max-width: 900px;
  /* margin: 60px auto 0; */
  margin: 0 auto;
  line-height: 1.8;
  text-align: left;
  max-width: 80%;
}

.tracking-content .subtitle {
  font-size: 28px;
  font-weight: 400;
  margin-top: 40px;
  margin-bottom: 4px;
  color: #d2d2d2;
  font-family: 'YESMyoungjo-Regular', serif;
}

.tracking-content .title {
  font-size: 40px;
  font-weight: 300;
  margin-bottom: 40px;
  color: #fff;
  font-family: 'YESMyoungjo-Regular', serif;
}

.tracking-content .desc {
  font-size: 18px;
  font-weight: 200;
  color: #fff;
  line-height: 2.5;
  margin-bottom: 40px;
}

.tracking-content .desc.small {
  font-size: 18px;
  margin-top: 15px;
  color: #fff;
  line-height: 2.5;
}

.jasan {
  margin-top: 60px !important;
}

/* 이미지 포함된 콘텐츠 */
.tracking-content .content-img {
  margin-top: 100px;
  width: 100%;
  height: auto;
  margin-bottom: 20px;
  border-radius: 4px;
}


/* 끝 */

.gnb-background{
  display: none;
  position: fixed;
  background-color: #fff;
  opacity: 0.5;
  z-index: 2;
  width: 100vw;
  padding: 20px 0px;
  color: transparent;
}

/* 공통 클래스 */
.fade-in-up {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 1s ease, transform 1s ease;
}

/* 화면에 보일 때 추가되는 클래스 */
.fade-in-up.show {
  opacity: 1;
  transform: translateY(0);
}

.title-wrapper > * {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 1.2s ease, transform 1.2s ease;
  will-change: opacity, transform;
}

.title-wrapper > *.show {
  opacity: 1;
  transform: translateY(0);
}