/* 
 * 메인페이지 콘텐츠 스타일
 * 갤러리 슬라이드 관련 스타일
 */

/* 메인페이지 콘텐츠 영역 좌우 여백 제거 */
.main-container {
  padding-left: 0;
  padding-right: 0;
}

/* 갤러리 슬라이드 스타일 */
.gallery-slider {
  width: 100%;
  position: relative;
  overflow: hidden;
  background: transparent;
  padding: var(--spacing-xl) 0;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
}

.gallery-slider-wrapper {
  position: relative;
  width: 100%;
}

.gallery-slider-container {
  position: relative;
  width: 100%;
}

.gallery-slider-row {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  /* -webkit-box-align: center; */
  /* -ms-flex-align: center; */
  /* align-items: flex-end; */
  gap: var(--spacing-lg);
}

/* 이미지 슬라이드 영역 */
.gallery-slide-image-area {
  position: relative;
  -webkit-box-flex: 0;
  -ms-flex: 0 0 58.333333%;
  flex: 0 0 58.333333%;
  width: 58.333333%;
}

.gallery-slider-track {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 550px;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  /* background: #f0f0f0; */
}

.gallery-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  /* height: 100%; */
  opacity: 0;
  -webkit-transition: opacity 0.8s ease-in-out;
  -moz-transition: opacity 0.8s ease-in-out;
  -o-transition: opacity 0.8s ease-in-out;
  transition: opacity 0.8s ease-in-out;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
}

.gallery-slide.active {
  opacity: 1;
}

.gallery-slide-image {
  width: 100%;
  /* height: 100%; */
  overflow: hidden;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  position: relative;
  /* 렌더링 최적화 */
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  -webkit-perspective: 1000px;
  perspective: 1000px;
}

.gallery-slide-image img {
  width: 100%;
  /* height: 100%; */
  -o-object-fit: contain;
  object-fit: contain;
  -o-object-position: center;
  object-position: center;
  -webkit-transition: -webkit-transform 0.8s ease;
  -moz-transition: transform 0.8s ease;
  -o-transition: transform 0.8s ease;
  transition: transform 0.8s ease;
  display: block;
  /* 이미지 렌더링 품질 개선 */
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
  will-change: transform;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: auto;
  -ms-interpolation-mode: bicubic;
}

.gallery-slide:hover .gallery-slide-image img {
  -webkit-transform: translateZ(0) scale(1.02);
  transform: translateZ(0) scale(1.02);
}

/* 그라디언트 배경 */
.gallery-slide-content {
  display: none;
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: var(--spacing-lg) var(--spacing-md);
  background: linear-gradient(to top, rgba(9, 114, 206, 0.9) 0%, rgba(9, 114, 206, 0.65) 30%, rgba(9, 114, 206, 0.4) 60%, rgba(9, 114, 206, 0) 100%);
  z-index: 5;
  text-align: left;
  pointer-events: auto;
  min-height: 40%;
}

/* 타이머 바 */
.gallery-slide-timer {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.3);
  z-index: 10;
}

.gallery-slide-timer-bar {
  height: 100%;
  background: var(--color-theme);
  width: 0%;
  -webkit-transition: width 0.1s linear;
  -moz-transition: width 0.1s linear;
  -o-transition: width 0.1s linear;
  transition: width 0.1s linear;
}

.gallery-slide.active .gallery-slide-timer-bar {
  width: 100%;
  -webkit-animation: timerProgress 8s linear;
  -moz-animation: timerProgress 8s linear;
  -o-animation: timerProgress 8s linear;
  animation: timerProgress 8s linear;
}

/* 애니메이션 */
@-webkit-keyframes timerProgress {
  from {
    width: 0;
  }
  to {
    width: 100%;
  }
}

@-moz-keyframes timerProgress {
  from {
    width: 0;
  }
  to {
    width: 100%;
  }
}

@-o-keyframes timerProgress {
  from {
    width: 0;
  }
  to {
    width: 100%;
  }
}

@keyframes timerProgress {
  from {
    width: 0;
  }
  to {
    width: 100%;
  }
}

/* 텍스트 및 컨트롤 영역 */
.gallery-slide-text-area {
  -webkit-box-flex: 0;
  -ms-flex: 0 0 41.666667%;
  flex: 0 0 41.666667%;
  width: 41.666667%;
  height: 100%;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  -webkit-box-pack: space-around;
  -ms-flex-pack: space-around;
  justify-content: space-around;
  gap: var(--spacing-md);
}

.gallery-slide-main-title {
  text-transform: uppercase;
  line-height: 0.85;
  color: var(--color-primary);
  font-size: clamp(30px, 7.5vw, 135px);
  margin: 0;
  font-weight: 900;
}

.gallery-slider-content {
  position: relative;
  height: 100%;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: flex-start;
  -ms-flex-align: flex-start;
  align-items: flex-start;
  gap: var(--spacing-xs);
}

.gallery-slide-text {
  display: none;
  text-align: left;
}

.gallery-slide-text.active {
  display: block;
}

.gallery-slide-text-content {
  position: relative;
}

.gallery-slide-text h1 {
  font-size: clamp(0.75rem, 2vw, 1.5rem);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.2;
  margin: 0;
}

/* 슬라이드 컨트롤 */
.gallery-slider-controls {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  gap:0;
}

.gallery-slider-btn {
  background: transparent;
  border: none;
  width: auto;
  height: clamp(0.75rem, 2vw, 1.6rem);
  color: var(--color-primary);
  font-size: clamp(0.75rem, 2vw, 1.5rem);
  cursor: pointer;
  -webkit-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  transition: all 0.3s ease;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  padding: 0 0.5rem;
}

.gallery-slider-btn:hover,
.gallery-slider-btn:focus {
  color: #000;
  -webkit-transform: scale(1.2);
  -ms-transform: scale(1.2);
  transform: scale(1.2);
}

.gallery-slider-btn-play-pause {
  position: relative;
}

.gallery-play-icon,
.gallery-pause-icon {
  font-size: inherit;
  line-height: 1;
  display: inline-block;
  vertical-align: middle;
}

.gallery-slider-text-area {
  -webkit-box-flex: 1;
  -ms-flex: 1;
  flex: 1;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  gap: var(--spacing-md);
  position: relative;
}

/* 슬라이드 인디케이터 */
.gallery-slider-dots {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  gap: var(--spacing-xs);
}

.gallery-slider-dot {
  width: 12px;
  height: 12px;
  background: #000;
  cursor: pointer;
  -webkit-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  transition: all 0.3s ease;
  position: relative;
}

.gallery-slider-dot.active {
  background: var(--color-theme);
}

.gallery-slider-dot:hover {
  background: var(--color-theme);
  -webkit-transform: scale(1.2);
  -ms-transform: scale(1.2);
  transform: scale(1.2);
}

/* 배너 섹션 스타일 */
.banner-section {
  padding: var(--spacing-xl) 0;
}

.banner-card {
  background: var(--color-bg);
  border: 1px solid var(--color-primary);
  padding: var(--spacing-xl);
  -webkit-transition: all var(--transition-base);
  -moz-transition: all var(--transition-base);
  -o-transition: all var(--transition-base);
  transition: all var(--transition-base);
  position: relative;
  height: 200px;
  display: -ms-grid;
  display: grid;
  -ms-grid-rows: auto 1fr;
  grid-template-rows: auto 1fr;
  -ms-grid-columns: auto 1fr;
  grid-template-columns: auto 1fr;
  grid-template-areas: 
    "icon title"
    "desc desc";
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  overflow: hidden;
}

/* 두 지점에서 동시에 시작하는 테두리 효과 */
@-webkit-keyframes borderShow {
  0% { background-size: 0% 2px, 2px 0%, 0% 2px, 2px 0%; }
  50% { background-size: 100% 2px, 2px 0%, 100% 2px, 2px 0%; }
  100% { background-size: 100% 2px, 2px 100%, 100% 2px, 2px 100%; }
}

@keyframes borderShow {
  0% { background-size: 0% 2px, 2px 0%, 0% 2px, 2px 0%; }
  50% { background-size: 100% 2px, 2px 0%, 100% 2px, 2px 0%; }
  100% { background-size: 100% 2px, 2px 100%, 100% 2px, 2px 100%; }
}

@-webkit-keyframes borderHide {
  0% { background-size: 100% 2px, 2px 100%, 100% 2px, 2px 100%; }
  50% { background-size: 100% 2px, 2px 0%, 100% 2px, 2px 0%; }
  100% { background-size: 0% 2px, 2px 0%, 0% 2px, 2px 0%; }
}

@keyframes borderHide {
  0% { background-size: 100% 2px, 2px 100%, 100% 2px, 2px 100%; }
  50% { background-size: 100% 2px, 2px 0%, 100% 2px, 2px 0%; }
  100% { background-size: 0% 2px, 2px 0%, 0% 2px, 2px 0%; }
}

.banner-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  background-image: 
    /* 상단 선 */
    linear-gradient(to right, var(--color-theme) 0%, var(--color-theme) 100%),
    /* 우측 선 */
    linear-gradient(to bottom, var(--color-theme) 0%, var(--color-theme) 100%),
    /* 하단 선 */
    linear-gradient(to left, var(--color-theme) 0%, var(--color-theme) 100%),
    /* 좌측 선 */
    linear-gradient(to top, var(--color-theme) 0%, var(--color-theme) 100%);
  background-size: 
    0% 2px,  /* 상단 */
    2px 0%,  /* 우측 */
    0% 2px,  /* 하단 */
    2px 0%;  /* 좌측 */
  background-position: 
    top left,    /* 상단 */
    top right,   /* 우측 */
    bottom right, /* 하단 */
    bottom left;  /* 좌측 */
  background-repeat: no-repeat;
  -webkit-animation: none;
  -moz-animation: none;
  -o-animation: none;
  animation: none;
}

.banner-card:hover::before {
  -webkit-animation: borderShow 0.3s ease forwards;
  -moz-animation: borderShow 0.3s ease forwards;
  -o-animation: borderShow 0.3s ease forwards;
  animation: borderShow 0.3s ease forwards;
}

.banner-card:not(:hover)::before {
  -webkit-animation: borderHide 0.3s ease forwards;
  -moz-animation: borderHide 0.3s ease forwards;
  -o-animation: borderHide 0.3s ease forwards;
  animation: borderHide 0.3s ease forwards;
}

.banner-card:hover .banner-icon span {
  font-weight: 500;
}

.banner-card:hover .banner-content h3 {
  font-weight: 900;
  letter-spacing: 0.25rem;
}

.banner-content {
  -ms-grid-row: 1;
  -ms-grid-column: 2;
  grid-area: title;
  text-align: left;
}

.banner-content h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0;
  letter-spacing: 0;
  -webkit-transition: font-weight 0.3s ease, letter-spacing 0.3s ease;
  -moz-transition: font-weight 0.3s ease, letter-spacing 0.3s ease;
  -o-transition: font-weight 0.3s ease, letter-spacing 0.3s ease;
  transition: font-weight 0.3s ease, letter-spacing 0.3s ease;
}

.banner-icon {
  -ms-grid-row: 1;
  -ms-grid-column: 1;
  grid-area: icon;
  text-align: left;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
}

.banner-icon span {
  font-size: 2.5rem;
  color: var(--color-primary);
  font-weight: 300;
  -webkit-transition: font-weight 0.3s ease;
  -moz-transition: font-weight 0.3s ease;
  -o-transition: font-weight 0.3s ease;
  transition: font-weight 0.3s ease;
}

.banner-description {
  -ms-grid-row: 2;
  -ms-grid-column: 1;
  -ms-grid-column-span: 2;
  grid-area: desc;
  text-align: left;
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.4;
  -webkit-transition: all var(--transition-base);
  -moz-transition: all var(--transition-base);
  -o-transition: all var(--transition-base);
  transition: all var(--transition-base);
  -ms-flex-item-align: end;
  align-self: end;
}

.banner-btn {
  position: absolute;
  right: var(--spacing-md);
  top: var(--spacing-md);
  display: -webkit-inline-box;
  display: -ms-inline-flexbox;
  display: inline-flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  color: var(--color-theme);
  text-decoration: none;
  cursor: pointer;
  z-index: 2;
  padding: 0;
  margin: 0;
}

/* "+" 모양 만들기 */
.banner-btn::before,
.banner-btn::after {
  content: '';
  position: absolute;
  background-color: var(--color-theme);
  -webkit-transition: all var(--transition-base);
  -moz-transition: all var(--transition-base);
  -o-transition: all var(--transition-base);
  transition: all var(--transition-base);
}

.banner-btn::before {
  width: 20px;
  height: 2px;
  left: 50%;
  top: 50%;
  -webkit-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
}

.banner-btn::after {
  width: 2px;
  height: 20px;
  left: 50%;
  top: 50%;
  -webkit-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
}

.banner-card:hover{border-color:rgba(255, 255, 255, 0.0);}

/* 호버 시 화살표 모양으로 변환 */
.banner-card:hover .banner-btn::before {
  width: 40px;
  -webkit-transform: translate(-75%, -50%);
  -ms-transform: translate(-75%, -50%);
  transform: translate(-75%, -50%);
}

.banner-card:hover .banner-btn::after {
  width: 2px;
  height: 15px;
  left: 50%;
  top: 50%;
  -webkit-transform: translate(400%, -100%) rotate(-45deg);
  -ms-transform: translate(400%, -100%) rotate(-45deg);
  transform: translate(400%, -100%) rotate(-45deg);
  -webkit-transform-origin: bottom center;
  -ms-transform-origin: bottom center;
  transform-origin: bottom center;
  border-radius: 0 0 2px 2px;
}

/* 반응형 스타일 */

/* PC 레이아웃 (1140px 이상) */
@media (min-width: 1140px) {
  .banner-section .grid {
    display: -ms-grid;
    display: grid;
    gap: var(--grid-gap);
  }
  
  .banner-card {
    margin-bottom: 0;
  }
}

/* 태블릿 레이아웃 (1024px ~ 1139px) */
@media (min-width: 1024px) and (max-width: 1139px) {
  .banner-section .grid {
    display: -ms-grid;
    display: grid;
    -ms-grid-columns: repeat(3, 1fr);
    grid-template-columns: repeat(3, 1fr);
    gap: var(--grid-gap);
  }
  
  .banner-card {
    margin-bottom: 0;
    height: 180px;
  }
  
  .banner-content h3 {
    font-size: 1.3rem;
  }
  
  .banner-icon span {
    font-size: 2.2rem;
  }
  
  .banner-description {
    font-size: 0.85rem;
  }
}

/* 태블릿 레이아웃 (768px ~ 1023px) */
@media (min-width: 768px) and (max-width: 1023px) {
  .banner-section .grid {
    display: -ms-grid;
    display: grid;
    -ms-grid-columns: 1fr;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .banner-card {
    margin-bottom: 0;
    height: 180px;
  }
  
  .banner-content h3 {
    font-size: 1.3rem;
  }
  
  .banner-icon span {
    font-size: 2.2rem;
  }
  
  .banner-description {
    font-size: 0.85rem;
  }
}

/* 태블릿 레이아웃 (1200px 이하) */
@media (max-width: 1200px) {
  .gallery-slider-row {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
  }
  
  .gallery-slide-image-area,
  .gallery-slide-text-area {
    width: 100%;
    -webkit-box-flex: 1;
    -ms-flex: 1;
    flex: 1;
    padding-left: 0;
    align-items: flex-start;
  }
  
  .gallery-slide-main-title {
    font-size: clamp(20px, 16vw, 80px);
  }
  
  .gallery-slider-content {
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    text-align: center;
  }
  
  .gallery-slider-text-area {
    -webkit-box-align: flex-start;
    -ms-flex-align: flex-start;
    align-items: flex-start;
    flex:4;
  }
}

/* 모바일 레이아웃 (767px 이하) */
@media (max-width: 767px) {
  .gallery-slider {
    padding: var(--spacing-lg) 0;
  }
  
  .gallery-slider-row {
    gap: var(--spacing-xs);
  }
  
  .gallery-slide-text-area {
    min-height: auto;
    -webkit-box-orient: vertical;
    -webkit-box-direction: reverse;
    -ms-flex-direction: column-reverse;
    flex-direction: column-reverse;
    gap: 2.5rem;
  }
  
  .gallery-slider-controls {
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
    -ms-flex-direction: row;
    flex-direction: row;
    flex:1;
    gap:0;
  }
  
  .gallery-slider-dots {
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
  }
  
  .gallery-slider-track {
    aspect-ratio: 16/9;
    min-height: 300px;
  }
  
  .gallery-slide-text h1 {
    font-size: clamp(0.6rem, 3vw, 1.2rem);
  }
  
  .banner-section {
    padding: var(--spacing-lg) 0;
    margin-top: var(--spacing-lg);
  }
  
  .banner-section .grid {
    display: -ms-grid;
    display: grid;
    -ms-grid-columns: 1fr;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .banner-card {
    height: 150px;
    padding: var(--spacing-lg);
    gap: var(--spacing-sm);
    margin-bottom: 0;
  }
  
  .banner-content h3 {
    font-size: 1.2rem;
  }
  
  .banner-icon span {
    font-size: 2rem;
  }
  
  .banner-description {
    font-size: 0.8rem;
  }
  
  .banner-btn {
    width: 32px;
    height: 32px;
  }
  
  .banner-btn::before {
    width: 16px;
    height: 2px;
  }
  
  .banner-btn::after {
    width: 2px;
    height: 16px;
  }
  
  .banner-card:hover .banner-btn::before {
    width: 32px;
  }
}

/* 작은 모바일 레이아웃 (480px 이하) */
@media (max-width: 480px) {
  .gallery-slider {
    padding: var(--spacing-md) 0;
  }
  
  .gallery-slider-track {
    aspect-ratio: 16/10;
    min-height: 250px;
  }
  
  .gallery-slide-text-area {
    min-height: 200px;
  }
  
  .gallery-slide-text h1 {
    font-size: clamp(0.5rem, 4vw, 1rem);
  }
  
  .gallery-slider-btn {
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
    padding: 0 0.3rem;
    align-items: flex-start;
  }
  
  .gallery-slider-dot {
    width: 10px;
    height: 10px;
  }
  
  .banner-section {
    padding: var(--spacing-md) 0;
    margin-top: var(--spacing-md);
  }
  
  .banner-card {
    height: 120px;
    padding: var(--spacing-md);
    gap: var(--spacing-xs);
  }
  
  .banner-content h3 {
    font-size: 1rem;
  }
  
  .banner-icon span {
    font-size: 1.5rem;
  }
  
  .banner-description {
    font-size: 0.7rem;
    line-height: 1.2;
  }
  
  .banner-btn {
    width: 28px;
    height: 28px;
    right: var(--spacing-sm);
    top: var(--spacing-sm);
  }
  
  .banner-btn::before {
    width: 14px;
    height: 1.5px;
  }
  
  .banner-btn::after {
    width: 1.5px;
    height: 14px;
  }
  
  .banner-card:hover .banner-btn::before {
    width: 28px;
  }
}

/* 매우 작은 모바일 레이아웃 (360px 이하) */
@media (max-width: 360px) {
  .gallery-slider {
    padding: var(--spacing-sm) 0;
  }
  
  .gallery-slider-track {
    min-height: 200px;
  }
  
  .gallery-slide-text-area {
    min-height: 150px;
  }
  
  .gallery-slide-text h1 {
    font-size: clamp(1.25rem, 3vw, 0.8rem);
  }
}