/* ==========================================================================
   index.php 전용 — 투명 헤더 및 스크롤 전환
   * common.css 의 흰 배경 헤더를 body.page-main 스코프로 덮어씀
   ========================================================================== */

/* --- 기본 투명 헤더 (비스크롤 상태) --- */
body.page-main .header {
  background-color: transparent;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
body.page-main .header .logo .logo-white {
  opacity: 1;
}
body.page-main .header .logo .logo-color {
  opacity: 0;
}
body.page-main .header .gnb-menu .gnb-link {
  color: #fff;
}
body.page-main .header .gnb-menu .gnb-content::after {
  background-color: #fff;
}
body.page-main .header .util-top .icon-box a {
  background-color: rgba(255, 255, 255, 0.3);
  color: #fff;
}
body.page-main .header .util-top .icon-box a:hover {
  background-color: rgba(255, 255, 255, 0.6);
  color: var(--body-color);
}

/* --- 스크롤 후 흰 배경 전환 (sticky / scrolled) --- */
body.page-main .header.sticky,
body.page-main .header.scrolled {
  background-color: #fff;
  border-bottom: 1px solid #d2d2d2;
}
body.page-main .header.sticky .logo .logo-white,
body.page-main .header.scrolled .logo .logo-white {
  opacity: 0;
}
body.page-main .header.sticky .logo .logo-color,
body.page-main .header.scrolled .logo .logo-color {
  opacity: 1;
}
body.page-main .header.sticky .gnb-menu .gnb-link,
body.page-main .header.scrolled .gnb-menu .gnb-link {
  color: #222;
}
body.page-main .header.sticky .gnb-menu .gnb-content::after,
body.page-main .header.scrolled .gnb-menu .gnb-content::after {
  background-color: #222;
}
body.page-main .header.sticky .util-top .icon-box a,
body.page-main .header.scrolled .util-top .icon-box a {
  background-color: #ededed;
  color: var(--body-color);
}
body.page-main .header.sticky .util-top .icon-box a:hover,
body.page-main .header.scrolled .util-top .icon-box a:hover {
  background-color: #444;
  color: #fff;
}

/* --- 모바일 (max-width: 767px) --- */
@media (max-width: 767px) {
  /* index.php 모바일 서치바: 헤더 134px + 8px */
  body.page-main .search-bar {
    top: 145px;
  }
  body.page-main .search-bar.compact {
    top: 85px !important;
  }

  /* 기본: 134px 투명 헤더 */
  body.page-main .header {
    height: 134px;
    background-color: transparent;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  }
  /* 사이드 메뉴 버튼: 흰색 */
  body.page-main .side-menu-btn {
    color: #fff;
    top: 8px;
  }
  /* GNB 흰 텍스트 & 밑줄 */
  body.page-main .header .gnb-menu .gnb-link {
    color: #fff;
  }
  body.page-main .header .gnb-menu .gnb-content::after {
    background-color: #fff;
  }
  /* GNB 아이콘 표시 (index.php 모바일에서만) */
  body.page-main .header .gnb-menu .gnb-icon {
    display: block;
  }
  /* 로고: 흰 로고 표시, 모바일 로고 숨김 */
  body.page-main .header .logo .logo-white {
    opacity: 1;
  }
  body.page-main .header .logo .logo-mobile {
    opacity: 0;
  }
  body.page-main .header .logo .logo-mobile .logo-part {
    animation-play-state: paused;
  }

  /* 스크롤 후 sticky 상태: body.page-main .header(0-2-1)보다 높은 0-3-1로 height 강제 */
  body.page-main .header.sticky,
  body.page-main .header.scrolled {
    height: 78px;
    background-color: #fff;
  }
  body.page-main .header.sticky .side-menu-btn,
  body.page-main .header.scrolled .side-menu-btn {
    color: #333;
    top: 6px;
  }
  body.page-main .header.sticky .gnb-menu .gnb-link,
  body.page-main .header.scrolled .gnb-menu .gnb-link {
    color: #333;
  }
  body.page-main .header.sticky .gnb-menu .gnb-content::after,
  body.page-main .header.scrolled .gnb-menu .gnb-content::after {
    background-color: #333;
  }
  body.page-main .header.sticky .gnb-menu .gnb-icon,
  body.page-main .header.scrolled .gnb-menu .gnb-icon {
    display: none;
  }
  body.page-main .header.sticky .logo .logo-white,
  body.page-main .header.scrolled .logo .logo-white {
    opacity: 0;
  }
  body.page-main .header.sticky .logo .logo-mobile,
  body.page-main .header.scrolled .logo .logo-mobile {
    opacity: 1;
  }
  body.page-main .header.sticky .logo .logo-mobile .logo-part,
  body.page-main .header.scrolled .logo .logo-mobile .logo-part {
    animation-play-state: running;
  }
}

/* ==========================================================================
   §5 Visual Banner
   ========================================================================== */

.visual {
  position: relative;
  height: 620px;
  overflow: hidden;
  margin-bottom: 6rem;
}
.visual .swiper-slide {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.visual .swiper-slide::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.15);
  z-index: 1;
}
.visual .info-box {
  position: relative;
  z-index: 2;
  color: #fff;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  top: 20px;
}
.visual .visual-title {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s ease-out;
  font-size: 52px;
  font-weight: 300;
  line-height: 1.3;
  text-shadow:
    0 4px 15px rgba(0, 0, 0, 0.7),
    0 2px 4px rgba(0, 0, 0, 0.5);
}
.visual .swiper-slide-active .visual-title {
  opacity: 1;
  transform: translateY(0);
}
.visual .visual-title strong {
  font-weight: 700;
  color: #fff;
}
.visual .page-box {
  position: absolute;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9;
  width: 760px;
  height: 50px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  pointer-events: none;
}
.visual .page-box .swiper-button {
  position: relative;
  width: 30px;
  height: 50px;
  display: flex;
  cursor: pointer;
  transition: all 0.2s ease;
  pointer-events: auto;
}
.visual .page-box .swiper-button:hover {
  width: 50px;
}
.visual .page-box .swiper-button .arrow {
  position: relative;
  width: 50px;
  height: 1px;
  margin: auto;
  background: #fff;
}
.visual .page-box .swiper-button.next .arrow::before {
  content: "";
  position: absolute;
  top: -5px;
  right: -2px;
  width: 14px;
  height: 1px;
  background: #fff;
  transform: rotate(45deg);
}
.visual .page-box .swiper-button.prev .arrow::before {
  content: "";
  position: absolute;
  top: -5px;
  left: -2px;
  width: 14px;
  height: 1px;
  background: #fff;
  transform: rotate(135deg);
}
.visual .visual-pagination {
  position: absolute;
  bottom: 50px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  width: auto;
  display: flex;
  align-items: center;
  gap: 6px;
}
.visual .swiper-pagination-bullet {
  width: 6px;
  height: 6px;
  background: #fff;
  opacity: 0.4;
  margin: 0 !important;
  border-radius: 4px;
  transition: all 0.4s;
}
.visual .swiper-pagination-bullet-active {
  width: 24px;
  opacity: 1;
  background-color: #fff;
  transform: none;
}
@media (max-width: 1280px) {
  .visual {
    height: 600px;
  }
  .visual .visual-title {
    font-size: 40px;
    text-shadow:
      0 3px 10px rgba(0, 0, 0, 0.7),
      0 1px 3px rgba(0, 0, 0, 0.6);
  }
  .visual .page-box {
    bottom: 80px;
    width: 90%;
    max-width: 760px;
  }
  .visual .visual-pagination {
    bottom: 66px;
  }
}
@media (max-width: 767px) {
  .visual {
    height: 100vh;
    min-height: 600px;
  }
  .visual .swiper-slide {
    background-position: calc(50% - 240px) center !important;
  }
  .visual .visual-title {
    font-size: 28px;
    text-shadow:
      0 2px 8px rgba(0, 0, 0, 0.8),
      0 1px 2px rgba(0, 0, 0, 0.7);
  }
  .visual .visual-pagination {
    bottom: 200px;
  }
}

/* ==========================================================================
   §7 Event Banner
   ========================================================================== */

.event-full-container {
  width: 100%;
  height: 260px;
  position: relative;
  background-color: #f8f8f8;
  margin: 100px 0 110px;
}
.event-swiper .swiper-slide {
  background-position: center;
  background-size: cover;
  position: relative;
}
.event-core {
  position: relative;
  z-index: 2;
  max-width: 800px;
  text-align: left;
  padding: 70px 0 0 100px;
}
.event-txt-sub {
  font-size: 18px;
  font-weight: 300;
  letter-spacing: 1px;
}
.event-txt-main {
  font-size: 30px;
  line-height: 1.3;
}
.ev-nav-btn {
  position: static;
  width: 30px;
  height: 30px;
  font-size: 14px;
  border-radius: 50%;
  background-color: rgba(0, 0, 0, 0.5) !important;
  border: none !important;
  color: #fff !important;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
}
.ev-nav-btn:hover {
  background-color: rgba(0, 0, 0, 0.8) !important;
}
.ev-nav-btn i {
  -webkit-text-stroke: 0.5px currentColor;
}
.event-pagination {
  position: absolute;
  bottom: 30px !important;
  left: 50% !important;
  transform: translateX(-50%);
  z-index: 10;
  width: auto !important;
  display: flex;
  align-items: center;
  gap: 6px;
}
.event-pagination .swiper-pagination-bullet {
  width: 6px;
  height: 6px;
  background: #fff;
  opacity: 0.4;
  margin: 0 !important;
  border-radius: 4px;
  transition: all 0.4s;
}
.event-pagination .swiper-pagination-bullet-active {
  width: 24px;
  opacity: 1;
  background-color: #fff;
}
@media (max-width: 768px) {
  .event-full-container {
    height: 300px;
    margin-top: 70px;
    margin-bottom: 90px;
  }
  .event-core {
    padding-left: 20px;
    padding-right: 20px;
  }
  .event-txt-sub {
    font-size: 16px;
  }
  .event-txt-main {
    font-size: 22px;
  }
}

/* ==========================================================================
   §8 Story Grid
   ========================================================================== */

.story-grid {
  display: grid;
  grid-template-columns: 302px 302px 266px 338px;
  grid-template-rows: 320px 266px 302px;
  gap: 24px;
  justify-content: center;
}
.story-item {
  position: relative;
  border-radius: 26px;
  overflow: hidden;
  background-color: #f8f8f8;
}
.story-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
}
.story-item:hover img {
  transform: scale(1.1);
}
.item-1 {
  grid-column: 1 / 3;
  grid-row: 1 / 3;
}
.item-2 {
  grid-column: 3 / 5;
  grid-row: 1 / 2;
}
.item-logo {
  grid-column: 3 / 4;
  grid-row: 2 / 3;
  background-color: #fff !important;
}
.item-logo img {
  width: 80px;
  height: auto;
  transition:
    width 0.3s ease,
    transform 0.5s;
}
.item-5 {
  grid-column: 4 / 5;
  grid-row: 2 / 4;
}
.item-3 {
  grid-column: 1 / 2;
  grid-row: 3 / 4;
}
.item-4 {
  grid-column: 2 / 4;
  grid-row: 3 / 4;
}
.story-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 30px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.6) 0%, transparent 100%);
  color: #fff;
  z-index: 2;
}
.story-txt-main {
  font-size: 1.4rem;
  font-weight: 500;
  line-height: 1.3;
  margin-bottom: 8px;
}
.story-txt-sub {
  font-size: 0.95rem;
  font-weight: 300;
  opacity: 0.9;
  margin-bottom: 0;
}
.play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 64px;
  height: 64px;
  background-color: rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3;
}
.play-btn i {
  font-size: 32px;
  color: var(--primary-color);
  margin-left: 4px;
}
@media (max-width: 1280px) {
  .story-grid {
    grid-template-columns: 3.02fr 3.02fr 2.66fr 3.38fr;
    grid-template-rows: auto auto auto;
    gap: 1.5vw;
  }
  .story-item,
  .item-1,
  .item-2,
  .item-3,
  .item-4,
  .item-5,
  .item-logo {
    height: auto !important;
  }
  .item-2 {
    aspect-ratio: 628 / 320;
  }
  .item-logo {
    aspect-ratio: 266 / 266;
  }
  .item-logo img {
    width: 6vw;
  }
  .item-3 {
    aspect-ratio: 302 / 302;
  }
  .item-1 {
    aspect-ratio: 628 / 610;
  }
  .item-4 {
    aspect-ratio: 592 / 302;
  }
  .item-5 {
    aspect-ratio: 338 / 592;
  }
  .story-txt-main {
    font-size: 2vw;
    margin-bottom: 0.5vw;
  }
  .story-txt-sub {
    font-size: 1.5vw;
    line-height: 1.2;
  }
  .story-overlay {
    padding: 2vw;
  }
  .play-btn {
    width: 8vw;
    height: 8vw;
  }
  .play-btn i {
    font-size: 4vw;
  }
}
@media (max-width: 768px) {
  .story-grid {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    gap: 20px;
  }
  .item-logo {
    display: none !important;
  }
  .story-item {
    grid-column: auto !important;
    grid-row: auto !important;
    height: auto !important;
    width: 100%;
  }
  .item-1 {
    aspect-ratio: 1 / 1;
  }
  .item-2,
  .item-3,
  .item-4 {
    aspect-ratio: 3 / 2;
  }
  .item-5 {
    aspect-ratio: 1 / 1;
  }
  .story-overlay {
    padding: 20px;
  }
  .story-txt-main {
    font-size: 20px;
    margin-bottom: 5px;
  }
  .story-txt-sub {
    font-size: 14px;
    line-height: 1.4;
  }
  .play-btn {
    width: 50px;
    height: 50px;
  }
  .play-btn i {
    font-size: 24px;
  }
}

/* ==========================================================================
   §9 Biz Slider
   ========================================================================== */

.biz-swiper {
  width: 100%;
  height: 400px;
  position: relative;
}
.biz-header-title {
  font-size: 28px;
  font-weight: 500;
  color: #242424;
}
.biz-header-logo {
  height: 40px;
  width: auto;
  transition: height 0.3s ease;
}
.biz-main-title {
  font-size: 36px;
  font-weight: 600;
  letter-spacing: -1px;
  line-height: 1.3;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}
.biz-desc {
  font-size: 15px;
  font-weight: 300;
  line-height: 1.6;
  opacity: 1;
  text-shadow: 0 1px 5px rgba(0, 0, 0, 0.5);
}
.biz-pagination {
  position: absolute;
  bottom: 30px !important;
  left: 50% !important;
  transform: translateX(-50%);
  z-index: 10;
  width: auto !important;
  display: flex;
  justify-content: center;
  gap: 6px;
}
.biz-pagination .swiper-pagination-bullet {
  width: 6px;
  height: 6px;
  background: #fff;
  opacity: 0.6;
  margin: 0 !important;
  border-radius: 4px;
  transition: all 0.3s;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}
.biz-pagination .swiper-pagination-bullet-active {
  width: 24px;
  opacity: 1;
  background-color: #fff;
}
.btn-biz-contact {
  display: inline-block;
  background-color: var(--primary-color);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  padding: 14px 45px;
  border-radius: 50px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 177, 255, 0.3);
}
.btn-biz-contact:hover {
  background-color: #0099dd;
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 177, 255, 0.4);
}
@media (max-width: 768px) {
  .biz-swiper {
    height: 320px;
  }
  .biz-header-title {
    font-size: 22px;
  }
  .biz-header-logo {
    height: 32px;
  }
  .biz-main-title {
    font-size: 24px;
    padding: 0 20px;
  }
  .btn-biz-contact {
    padding: 12px 35px;
    font-size: 15px;
  }
}