/* PC_메인 (Figma) 메인 페이지 레이아웃 */

.main-page {
  width: 100%;
  background-color: #fff;
}

.main-page__inner {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== Quick Menu (fixed) ===== */
.quick-menu {
  position: fixed;
  top: 50%;
  right: 40px;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  z-index: 100;
}

.quick-menu__panel {
  width: 201px;
  background: #fff;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
}

.quick-menu__header {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 60px;
  background-color: #1b577e;
  color: #fff;
  font-size: 18px;
  font-weight: 500;
}

.quick-menu__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.quick-menu__item a {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 60px;
  font-size: 18px;
  font-weight: 500;
  color: #333;
  text-decoration: none;
  border-bottom: 1px solid #eee;
  transition: background-color 0.2s;
}

.quick-menu__item:last-child a {
  border-bottom: none;
}

.quick-menu__item a:hover {
  background-color: #f5f5f5;
}

.quick-menu__top {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background-color: #1b577e;
  color: #fff;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transition: background-color 0.2s, transform 0.2s;
}

.quick-menu__top:hover {
  background-color: #154666;
  transform: translateY(-2px);
}

/* ===== Hero ===== */
.main-hero {
  position: relative;
  width: 100%;
  max-width: 1920px;
  margin: 0 auto;
  background-color: #eeeeee;
}

.main-hero__visual {
  width: 100%;
  height: 720px;
  overflow: hidden;
}

.main-hero__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ===== Section Common ===== */
.main-section {
  padding: 60px 0 0;
}

.main-section__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 30px;
}

.main-section__title {
  font-size: 24px;
  font-weight: 600;
  color: #333;
  line-height: 1;
}

.main-section__actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.main-section__nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.main-section__nav-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
}

.main-section__nav-btn img {
  width: 40px;
  height: 40px;
}

.main-section__more {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
}

.main-section__more img {
  width: 24px;
  height: 24px;
}

/* ===== Deadline Cards ===== */
.main-deadlines {
  padding-top: 60px;
}

.deadline-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.deadline-card {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 176px;
  padding: 40px;
  color: #fff;
}

.deadline-card--abstract {
  background-color: #1F4E79;
}

.deadline-card--earlybird {
  background-color: #2A3269;
}

.deadline-card--travel {
  background-color: #8E1E36;
}

.deadline-card__icon {
  flex-shrink: 0;
  width: 96px;
  height: 96px;
}

.deadline-card__icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.deadline-card__content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.deadline-card__label {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.2;
  white-space: pre-line;
}

.deadline-card__date {
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
}

/* ===== Quick Link Cards — Plan A: Logo Gradient (Burgundy → Navy) ===== */
.main-quick-links {
  padding-top: 20px;
}

.quick-link-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid #dddddd;
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
}

.quick-link-card {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  min-height: 120px;
  height: 120px;
  padding: 0 20px;
  background: #fff;
  border: none;
  border-right: 1px solid #dddddd;
  text-decoration: none;
  color: #222;
  transition: background-color 0.2s ease;
}

.quick-link-card:last-child {
  border-right: none;
}

.quick-link-card:hover {
  background-color: #fafafa;
}

.quick-link-card__icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.quick-link-card__icon-wrap .ti {
  font-size: 32px;
  line-height: 1;
  transition: transform 0.25s ease;
}

.quick-link-card:hover .quick-link-card__icon-wrap {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.quick-link-card:hover .quick-link-card__icon-wrap .ti {
  transform: scale(1.06);
}

.quick-link-card__label {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.2;
  color: #222;
}

/* Burgundy → Navy gradient tints */
.quick-link-card--program .quick-link-card__icon-wrap {
  background-color: #f6e8ec;
}

.quick-link-card--program .quick-link-card__icon-wrap .ti {
  color: #8b2e4a;
}

.quick-link-card--registration .quick-link-card__icon-wrap {
  background-color: #f0e4ef;
}

.quick-link-card--registration .quick-link-card__icon-wrap .ti {
  color: #8b3a6b;
}

.quick-link-card--abstract .quick-link-card__icon-wrap {
  background-color: #e8e6f4;
}

.quick-link-card--abstract .quick-link-card__icon-wrap .ti {
  color: #4a3a7a;
}

.quick-link-card--accommodation .quick-link-card__icon-wrap {
  background-color: #e4eaf3;
}

.quick-link-card--accommodation .quick-link-card__icon-wrap .ti {
  color: #1b577e;
}

/* ===== News & Notice ===== */
.main-news {
  padding-top: 60px;
}

.news-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.news-card {
  background: #f5f5f5;
  border: 1px solid #e4e8eb;
  border-radius: 8px;
  padding: 10px;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  transition: box-shadow 0.2s;
}

.news-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.news-card__inner {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 161px;
  padding: 20px 30px;
  background: #fff;
  border-radius: 8px;
}

.news-card__title {
  font-size: 16px;
  font-weight: 400;
  color: #020000;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card__date {
  font-size: 14px;
  color: #888;
  margin-top: 16px;
}

.news-card--empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 40px;
  color: #888;
  cursor: default;
}

/* News & Notice + Video */
.main-news-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 40px;
  align-items: end;
  padding-top: 60px;
}

.main-news-row .main-news {
  padding-top: 0;
}

.main-news-row .news-cards {
  grid-template-columns: 1fr;
  grid-template-rows: repeat(3, 1fr);
  gap: 16px;
  height: 350px;
}

.main-news-row .news-card__inner {
  min-height: 0;
  height: 100%;
  padding: 12px 20px;
}

.main-news-row .news-card__title {
  -webkit-line-clamp: 1;
}

.main-news-row .news-card__date {
  margin-top: 8px;
}

.main-news-row .news-card--empty {
  grid-row: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.main-video {
  height: 350px;
  border-radius: 8px;
  overflow: hidden;
  background: #000;
}

.main-video iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}

/* ===== Invited Speaker ===== */
.main-speakers {
  padding-top: 60px;
}

.speakers-swiper {
  width: 100%;
  overflow: hidden;
}

.speakers-swiper .swiper-slide {
  height: auto;
}

.speaker-card {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 196px;
  height: 100%;
  padding: 20px;
  background: #f2f2f2;
  border: 1px solid #e4e8eb;
  border-radius: 8px;
  box-sizing: border-box;
}

.speaker-card__photo {
  flex-shrink: 0;
  width: 130px;
  height: 156px;
  border-radius: 8px;
  overflow: hidden;
  background: #f8f9fa;
}

.speaker-card__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.speaker-card__info {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  text-align: left;
  flex: 1;
  min-width: 0;
}

.speaker-card__name {
  font-size: 20px;
  font-weight: 600;
  color: #333;
  margin-bottom: 8px;
  line-height: 1.3;
}

.speaker-card__affiliation {
  font-size: 16px;
  font-weight: 400;
  color: #888;
  line-height: 1.4;
}

/* ===== Coming Soon placeholder ===== */
.main-preparing {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 160px;
  padding: 40px 20px;
  background: #f5f7fa;
  border: 1px solid #e4e8eb;
  border-radius: 8px;
  font-size: 20px;
  font-weight: 600;
  color: #1b577e;
  text-align: center;
}

/* ===== Sponsored by ===== */
.main-sponsors {
  padding: 60px 0 100px;
}

.sponsors-swiper {
  width: 100%;
  overflow: hidden;
}

.sponsors-swiper .swiper-slide {
  height: auto;
}

.sponsor-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 90px;
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 15px 20px;
  box-sizing: border-box;
}

.sponsor-logo img {
  max-width: 100%;
  max-height: 60px;
  object-fit: contain;
}

/* ===== Responsive ===== */
@media (max-width: 1320px) {
  .main-hero__visual {
    height: auto;
    aspect-ratio: 1920 / 720;
  }

  .quick-menu {
    right: 20px;
  }
}

@media (max-width: 1000px) {
  .main-hero__visual {
    height: auto;
    aspect-ratio: auto;
  }

  .main-hero__visual img {
    content: url('../images/main/main_visual_2027_m.webp');
    height: auto;
    object-fit: contain;
  }
}

@media (max-width: 1024px) {
  .deadline-cards {
    grid-template-columns: 1fr;
  }

  .quick-link-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .quick-link-card {
    border-right: 1px solid #dddddd;
    border-bottom: 1px solid #dddddd;
  }

  .quick-link-card:nth-child(2n) {
    border-right: none;
  }

  .quick-link-card:nth-child(n + 3) {
    border-bottom: none;
  }

  .news-cards {
    grid-template-columns: 1fr;
  }

  .main-news-row {
    grid-template-columns: 1fr;
  }

  .main-news-row .news-cards {
    grid-template-rows: none;
    height: auto;
  }

  .main-video {
    height: auto;
    aspect-ratio: 16 / 9;
  }
}

@media (max-width: 768px) {
  .quick-menu {
    display: none;
  }

  .quick-link-cards {
    grid-template-columns: 1fr;
  }

  .quick-link-card {
    border-right: none !important;
    border-bottom: 1px solid #dddddd;
    justify-content: flex-start;
    padding: 0 24px;
  }

  .quick-link-card:last-child {
    border-bottom: none;
  }

  .deadline-card {
    padding: 24px;
    min-height: auto;
  }

  .deadline-card__icon {
    width: 64px;
    height: 64px;
  }

  .speaker-card {
    gap: 16px;
    min-height: 160px;
    padding: 16px;
  }

  .speaker-card__photo {
    width: 100px;
    height: 120px;
  }

  .speaker-card__name {
    font-size: 18px;
  }

  .speaker-card__affiliation {
    font-size: 14px;
  }

  .main-section {
    padding-top: 40px;
  }

  .main-sponsors {
    padding-bottom: 60px;
  }
}



/* ============================================================
   2027 WUBES — 하단 퀵링크 아이콘 (A안: 버건디 → 네이비)
   로고의 "2027"(버건디) → "WUBES"(네이비) 흐름을 4단계로 분할
   ============================================================ */

   :root {
    /* 키비주얼 기본 색 */
    --wubes-burgundy: #8e1e36;
    --wubes-navy: #1f4e79;
    --wubes-indigo: #2a3269;
    --wubes-blossom: #f2c4d0;
    --wubes-cream: #faf1ec;
  
    /* 퀵링크 4단계 아이콘 색 */
    --ql-1-icon: #8e1e36;
    --ql-2-icon: #7a2a4a;
    --ql-3-icon: #4a3c63;
    --ql-4-icon: #1f4e79;
  
    /* 원 배경 (기본) */
    --ql-1-bg: #faedf0;
    --ql-2-bg: #f6edf1;
    --ql-3-bg: #f0eff5;
    --ql-4-bg: #eaf0f6;
  
    /* 원 배경 (호버) */
    --ql-1-bg-hover: #f3dce3;
    --ql-2-bg-hover: #eedce5;
    --ql-3-bg-hover: #e4e1ee;
    --ql-4-bg-hover: #d8e5f1;
  }
  
  /* ---------- 레이아웃 ---------- */
  
  .wubes-quicklinks {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border: 1px solid #e5e5e5;
    border-radius: 8px;
    overflow: hidden;
    background: #fff;
  }
  
  .wubes-quicklinks__item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 16px;
    border-right: 1px solid #e5e5e5;
    text-decoration: none;
    color: #222;
    transition: background-color 0.18s ease;
  }
  
  .wubes-quicklinks__item:last-child {
    border-right: none;
  }
  
  .wubes-quicklinks__item:hover {
    background: #fcfafa;
  }
  
  /* ---------- 아이콘 원 ---------- */
  
  .wubes-quicklinks__icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.18s ease;
  }
  
  .wubes-quicklinks__icon svg {
    width: 22px;
    height: 22px;
    /* SVG 내부에 fill="currentColor" 또는 stroke="currentColor"를
       지정해야 아래 색상이 적용됩니다 */
    fill: currentColor;
  }
  
  .wubes-quicklinks__label {
    font-size: 15px;
    font-weight: 600;
    letter-spacing: -0.01em;
  }
  
  /* ---------- 4단계 색상 ---------- */
  
  .wubes-quicklinks__item:nth-child(1) .wubes-quicklinks__icon {
    background: var(--ql-1-bg);
    color: var(--ql-1-icon);
  }
  .wubes-quicklinks__item:nth-child(2) .wubes-quicklinks__icon {
    background: var(--ql-2-bg);
    color: var(--ql-2-icon);
  }
  .wubes-quicklinks__item:nth-child(3) .wubes-quicklinks__icon {
    background: var(--ql-3-bg);
    color: var(--ql-3-icon);
  }
  .wubes-quicklinks__item:nth-child(4) .wubes-quicklinks__icon {
    background: var(--ql-4-bg);
    color: var(--ql-4-icon);
  }
  
  .wubes-quicklinks__item:nth-child(1):hover .wubes-quicklinks__icon {
    background: var(--ql-1-bg-hover);
  }
  .wubes-quicklinks__item:nth-child(2):hover .wubes-quicklinks__icon {
    background: var(--ql-2-bg-hover);
  }
  .wubes-quicklinks__item:nth-child(3):hover .wubes-quicklinks__icon {
    background: var(--ql-3-bg-hover);
  }
  .wubes-quicklinks__item:nth-child(4):hover .wubes-quicklinks__icon {
    background: var(--ql-4-bg-hover);
  }
  
  /* ---------- 키보드 포커스 ---------- */
  
  .wubes-quicklinks__item:focus-visible {
    outline: 2px solid var(--wubes-navy);
    outline-offset: -2px;
  }
  
  /* ---------- 마감일 박스 (함께 정리할 경우) ---------- */
  
  .wubes-deadlines {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-radius: 6px;
    overflow: hidden;
  }
  
  .wubes-deadlines__item {
    padding: 24px 20px;
    color: #fff;
  }
  
  .wubes-deadlines__item:nth-child(1) { background: var(--wubes-navy); }
  .wubes-deadlines__item:nth-child(2) { background: var(--wubes-indigo); }
  .wubes-deadlines__item:nth-child(3) { background: var(--wubes-burgundy); }
  
  .wubes-deadlines__label {
    font-size: 13px;
    opacity: 0.82;
    margin: 0 0 8px;
  }
  
  .wubes-deadlines__date {
    font-size: 18px;
    font-weight: 700;
    margin: 0;
  }
  
  /* ---------- 태블릿 / 모바일 ---------- */
  
  @media (max-width: 900px) {
    .wubes-quicklinks {
      grid-template-columns: repeat(2, 1fr);
    }
    .wubes-quicklinks__item:nth-child(2) {
      border-right: none;
    }
    .wubes-quicklinks__item:nth-child(1),
    .wubes-quicklinks__item:nth-child(2) {
      border-bottom: 1px solid #e5e5e5;
    }
    .wubes-deadlines {
      grid-template-columns: 1fr;
    }
  }
  
  @media (max-width: 520px) {
    .wubes-quicklinks {
      grid-template-columns: 1fr;
    }
    .wubes-quicklinks__item {
      border-right: none;
      border-bottom: 1px solid #e5e5e5;
    }
    .wubes-quicklinks__item:last-child {
      border-bottom: none;
    }
  }