/* ============================================================
   main.css — index.html 메인 페이지 전용 스타일
   ============================================================ */

/* ── 히어로 / 키 비주얼 ───────────────────────────────────── */
.hn-kv {
  background-image:
    linear-gradient(180deg, rgba(27, 53, 87, 0.92) 0%, rgba(16, 34, 57, 0.92) 100%),
    url('/home/www/images/common/hero-section.png');
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.hn-kv::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg,
      rgba(255, 255, 255, .022) 0 1px, transparent 1px 160px);
  pointer-events: none;
}

.hn-kv .inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 56px 40px 64px;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hn-kv .eyebrow {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.18em;
  color: #8bd4ff;
  text-transform: uppercase;
  border: 1px solid rgba(139, 212, 255, .35);
  padding: 5px 12px;
  margin-bottom: 28px;
  font-weight: 600;
}

.hn-kv h1 {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.35;
  margin: 0 0 22px;
  letter-spacing: -0.035em;
}

.hn-kv h1 em {
  font-style: normal;
  color: #8fd89b;
  border-bottom: 2px solid #8fd89b;
  padding-bottom: 2px;
}

.hn-kv p.lead {
  font-size: 19px;
  color: #bfcbda;
  line-height: 1.75;
  margin: 0 0 35px;
  max-width: 650px;
  font-weight: 400;
}

.hn-kv-side {
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .1);
  padding: 30px;
}

.hn-kv-side .head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}

.hn-kv-side .head h3 {
  margin: 0;
  font-size: 21px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
}

.hn-kv-side .head .more {
  font-size: 15px;
  color: #8fa6c4;
}

.hn-kv-side ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.hn-kv-side li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  padding: 12px 0;
  font-size: 16px;
  border-bottom: 1px dashed rgba(255, 255, 255, .08);
}

.hn-kv-side li:last-child {
  border-bottom: 0;
}

.hn-kv-side .dpill {
  text-align: center;
  border: 1px solid rgba(255, 255, 255, .18);
  width: 60px;
  height: 52px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.hn-kv-side .dpill .d {
  font-weight: 800;
  color: #fff;
  font-size: 17px;
  line-height: 1;
}

.hn-kv-side li .t {
  color: #dfe7f2;
}

.hn-kv-side .kv-item-text {
  display: grid;
  gap: 4px;
  align-content: center;
}

.hn-kv-side .kv-item-text .place {
  font-size: 13px;
  color: #8fa6c4;
}

/* ── 퀵링크 ───────────────────────────────────────────────── */
.hn-quick {
  background: #fff;
  border-top: 1px solid var(--hn-line);
  border-bottom: 1px solid var(--hn-line);
}

.hn-quick .grid {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
}

.hn-quick-card {
  padding: 35px 30px;
  border-right: 1px solid var(--hn-line-soft);
  display: flex;
  flex-direction: column;
  gap: 15px;
  min-height: 196px;
  cursor: pointer;
  transition: background .15s;
  position: relative;
}

.hn-quick-card:last-child {
  border-right: 0;
}

.hn-quick-card:hover {
  background: var(--hn-bg-alt);
}

.hn-quick-card .num {
  font-size: 13px;
  color: var(--hn-text-4);
  letter-spacing: 0.14em;
  font-weight: 600;
  font-family: ui-monospace, Menlo, monospace;
}

.hn-quick-card .ic {
  color: var(--hn-green);
  font-size: 25px;
}

.hn-quick-card .t {
  font-size: 21px;
  font-weight: 700;
  color: var(--hn-text);
  letter-spacing: -0.02em;
}

.hn-quick-card .d {
  font-size: 15px;
  color: var(--hn-text-3);
  margin-top: auto;
}

.hn-quick-card .arrow {
  position: absolute;
  right: 25px;
  bottom: 25px;
  width: 35px;
  height: 35px;
  border: 1px solid var(--hn-line);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--hn-text-3);
  font-size: 13px;
  transition: all .15s;
}

.hn-quick-card:hover .arrow {
  background: var(--hn-green);
  color: #fff;
  border-color: var(--hn-green);
}

/* ── 메인 섹션 ────────────────────────────────────────────── */
.hn-section {
  max-width: 1280px;
  margin: 0 auto;
  padding: 70px 40px;
}

/* ── 게시판 카드 영역 ─────────────────────────────────────── */
:root {
  --board-panel-height: 405px;
}

.board-row {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 50px;
  align-items: stretch;
}

.board-row>* {
  min-width: 0;
}

.bcard {
  background: #fff;
  border: 1px solid var(--hn-line);
  height: var(--board-panel-height);
}

.btabs {
  display: flex;
  border-bottom: 1px solid var(--hn-line);
  padding: 0 30px;
}

.btabs button {
  border: 0;
  background: transparent;
  padding: 22px 14px;
  font-size: 18px;
  font-weight: 600;
  color: var(--hn-text-3);
  font-family: inherit;
  position: relative;
  letter-spacing: -0.02em;
  cursor: pointer;
}

.btabs button.on {
  color: var(--hn-text);
  font-weight: 800;
}

.btabs button.on::after {
  content: '';
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: -1px;
  height: 2px;
  background: var(--hn-text);
}

.btabs .more {
  margin-left: auto;
  align-self: center;
  font-size: 15px;
  color: var(--hn-text-3);
  padding-left: 16px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.blist {
  padding: 8px 30px 18px;
  list-style: none;
  min-height: calc(var(--board-panel-height) - 57px);
}

.blist li:nth-child(n + 6) {
  display: none;
}

.blist li.blist-empty {
  display: flex;
  grid-column: 1 / -1;
  justify-content: center;
  align-items: center;
  color: var(--hn-text-3);
  font-size: 15px;
  height: 100%;
  min-height: 160px;
}

.blist li {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  gap: 18px;
  align-items: center;
  padding: 15px 0;
  border-bottom: 1px dashed var(--hn-line);
  font-size: 17px;
}

.blist li:last-child {
  border-bottom: 0;
}

.blist .cat {
  font-size: 13px;
  padding: 4px 10px;
  border: 1px solid var(--hn-line-strong);
  color: var(--hn-text-2);
  min-width: 80px;
  text-align: center;
  font-weight: 600;
}

.blist .cat.g {
  background: var(--hn-green);
  color: #fff;
  border-color: var(--hn-green);
}

.blist .cat.b {
  background: var(--hn-blue);
  color: #fff;
  border-color: var(--hn-blue);
}

.blist .cat.r {
  background: var(--hn-red);
  color: #fff;
  border-color: var(--hn-red);
}

.blist .cat.o {
  background: #6B4FAB;
  color: #fff;
  border-color: #6B4FAB;
}

.blist .t {
  color: var(--hn-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.blist .t .new {
  color: var(--hn-red);
  font-size: 12px;
  font-weight: 800;
  margin-left: 8px;
  vertical-align: top;
}

.blist .file {
  color: var(--hn-text-4);
  font-size: 15px;
}

.blist .d {
  color: var(--hn-text-3);
  font-family: ui-monospace, Menlo, monospace;
  font-size: 15px;
}

/* ── 사이드: 인사말 + 바로가기 ───────────────────────────── */
.board-side {
  height: var(--board-panel-height);
  min-width: 0;
}

.recent-photo {
  background: #fff;
  border: 1px solid var(--hn-line);
  height: 100%;
  min-width: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.recent-photo h3 {
  font-size: 18px;
  font-weight: 800;
  margin: 0 0 12px;
  padding: 24px 24px 14px;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.photo-more {
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--hn-text-3);
  font-size: 14px;
}

.photo-thumb-swiper {
  position: relative;
  border: 0;
  overflow: hidden;
  width: 100%;
  max-width: 100%;
  margin: 0;
  flex: 0 0 auto;
  aspect-ratio: 16 / 9;
}

.photo-thumb-swiper .swiper-wrapper,
.photo-thumb-swiper .swiper-slide {
  width: 100%;
  height: 100%;
}

.photo-thumb {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--hn-bg-alt);
}

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

.photo-thumb-swiper .swiper-button-prev,
.photo-thumb-swiper .swiper-button-next {
  display: none;
}

.photo-meta {
  margin: 12px 0;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 28px 1fr 28px;
  align-items: center;
  column-gap: 6px;
}

.photo-meta-center {
  grid-column: 2;
  display: grid;
  gap: 4px;
}

.photo-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--hn-text);
  letter-spacing: -0.02em;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.photo-date {
  font-size: 14px;
  color: var(--hn-text-3);
  font-family: ui-monospace, Menlo, monospace;
  text-align: center;
}

.photo-cat {
  display: block;
  font-size: 11px;
  padding: 3px 8px;
  font-weight: 700;
  color: #fff;
  text-align: center;
  justify-self: center;
  margin-bottom: 2px;
}

.photo-cat.g {
  background: var(--hn-green);
}

.photo-cat.b {
  background: var(--hn-blue);
}

.photo-cat.r {
  background: var(--hn-red);
}

.photo-cat.o {
  background: #6B4FAB;
}

.photo-meta .swiper-button-prev,
.photo-meta .swiper-button-next {
  position: static;
  margin-top: 0;
  width: 28px;
  height: 28px;
  border: 0;
  background: transparent;
  color: var(--hn-text-2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.photo-meta .swiper-button-prev {
  grid-column: 1;
  justify-self: start;
}

.photo-meta .swiper-button-next {
  grid-column: 3;
  justify-self: end;
}

.photo-meta .swiper-button-prev::after,
.photo-meta .swiper-button-next::after {
  content: none;
}

.photo-meta .swiper-button-prev i,
.photo-meta .swiper-button-next i {
  font-size: 16px;
  line-height: 1;
}

.photo-meta .swiper-button-prev.swiper-button-disabled,
.photo-meta .swiper-button-next.swiper-button-disabled {
  opacity: .35;
}

.photo-slide-badge {
  position: absolute;
  bottom: 10px;
  right: 10px;
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  font-size: 12px;
  font-family: ui-monospace, Menlo, monospace;
  padding: 3px 9px;
  border-radius: 3px;
  pointer-events: none;
  z-index: 10;
  line-height: 1.5;
  letter-spacing: 0.04em;
}

.photo-thumb-swiper.swiper-fallback .swiper-wrapper {
  display: block;
}

.photo-thumb-swiper.swiper-fallback .swiper-slide {
  display: none;
}

.photo-thumb-swiper.swiper-fallback .swiper-slide:first-child {
  display: block;
}

.banners {
  background: #fff;
  border: 1px solid var(--hn-line);
  margin-top: 20px;
}

.banners h3 {
  font-size: 18px;
  font-weight: 800;
  margin: 0;
  padding: 18px 25px;
  border-bottom: 1px solid var(--hn-line);
  letter-spacing: -0.02em;
}

.banner-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 25px;
  border-bottom: 1px solid var(--hn-line-soft);
  font-size: 16px;
  color: var(--hn-text-2);
}

.banner-link:last-child {
  border-bottom: 0;
}

.banner-link>i {
  color: var(--hn-text-4);
  font-size: 13px;
}

.banner-link:hover {
  background: var(--hn-bg-alt);
  color: var(--hn-green);
}

.board-side .banners {
  display: none;
}

/* ── 4-board 그리드 ──────────────────────────────────────── */
.bcard-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.bcard-grid .bcard {
  height: auto;
}

.bcard-grid .blist {
  min-height: 0;
  padding: 4px 24px 14px;
}

.bcard-grid .blist li {
  grid-template-columns: 1fr auto;
  font-size: 15px;
  padding: 11px 0;
  gap: 12px;
}

.bcard-grid .btabs {
  padding: 0 20px;
}

.bcard-grid .btabs button {
  font-size: 16px;
  padding: 16px 12px;
  pointer-events: none;
}

/* ── 현황 인포 스트립 ─────────────────────────────────────── */
.hn-info {
  background: #fff;
  border-top: 1px solid var(--hn-line);
  border-bottom: 1px solid var(--hn-line);
}

.hn-info {
  display: block;
}

.hn-info .inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
}

.hn-info .cell {
  padding: 35px;
  border-right: 1px solid var(--hn-line-soft);
}

.hn-info .cell:last-child {
  border-right: 0;
}

.hn-info .cell .k {
  font-size: 16px;
  color: var(--hn-text-3);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 600;
}

.hn-info .cell .v {
  font-size: 33px;
  font-weight: 800;
  color: var(--hn-text);
  display: flex;
  align-items: baseline;
  gap: 8px;
  letter-spacing: -0.03em;
}

.hn-info .cell .v .unit {
  font-size: 16px;
  color: var(--hn-text-3);
  font-weight: 400;
}

.hn-info .cell .v .accent {
  color: var(--hn-green);
}

.hn-info .cell .hint {
  font-size: 15px;
  color: var(--hn-text-3);
  margin-top: 10px;
}

.hn-info .cell.title {
  background: var(--hn-bg-alt);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hn-info .cell.title h3 {
  font-size: 25px;
  font-weight: 800;
  margin: 0 0 5px;
  letter-spacing: -0.03em;
}

.hn-info .cell.title p {
  font-size: 15px;
  color: var(--hn-text-3);
  margin: 0;
}

/* ── 반응형 ───────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .hn-section {
    padding: 48px 24px;
  }

  .hn-quick .grid {
    padding: 0 24px;
  }

  .hn-info .inner {
    padding: 0 24px;
  }
}

@media (max-width: 768px) {
  .hn-kv .inner {
    grid-template-columns: 1fr;
    padding: 48px 16px 56px;
    gap: 32px;
  }

  .hn-kv h1 {
    font-size: 30px;
  }

  .hn-kv p.lead {
    font-size: 15px;
    letter-spacing: -0.5px;
  }

  .hn-kv-side {
    display: none;
  }

  .hn-quick .grid {
    grid-template-columns: repeat(3, 1fr);
    padding: 0;
  }

  .hn-quick-card {
    padding: 18px 16px;
    min-height: auto;
  }

  .hn-quick-card .d,
  .hn-quick-card .arrow {
    display: none;
  }

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

  .bcard,
  .board-side,
  .recent-photo {
    height: auto;
  }

  .blist {
    min-height: 0;
    padding: 4px 16px 12px;
    border-bottom: 1px solid var(--hn-line);
  }

  .blist li {
    grid-template-columns: auto 1fr auto;
    gap: 8px;
    font-size: 15px;
  }

  .blist .cat {
    font-size: 10px;
    padding: 2px 5px;
    min-width: 0;
  }

  .blist .d {
    font-size: 11px;
    letter-spacing: 0;
  }

  .bcard-grid {
    grid-template-columns: 1fr;
  }

  /* 모바일 아코디언 */
  .btabs {
    display: none;
  }

  .bacc-btn {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    border: 0;
    border-bottom: 1px solid var(--hn-line);
    background: transparent;
    padding: 14px 16px;
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    color: var(--hn-text-3);
    cursor: pointer;
    letter-spacing: -0.02em;
    text-align: left;
  }

  .bacc-btn.open {
    color: var(--hn-text);
    font-weight: 800;
    background: var(--hn-bg-alt);
    border-bottom-color: transparent;
  }

  .bacc-btn .bacc-icon {
    font-size: 13px;
    color: var(--hn-text-4);
    transition: transform 0.2s;
    flex-shrink: 0;
  }

  .bacc-btn.open .bacc-icon {
    transform: rotate(180deg);
  }

  .blist li.bacc-more-li {
    display: flex;
    justify-content: center;
    padding: 10px 0 6px;
    border-bottom: 0;
  }

  .bacc-more-li a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: var(--hn-text-3);
    border: 1px solid var(--hn-line);
    padding: 7px 20px;
    font-weight: 600;
    letter-spacing: -0.01em;
  }

  .hn-section {
    padding: 32px 16px;
  }

  .hn-info .inner {
    grid-template-columns: 1fr 1fr;
  }

  .hn-info .cell.title {
    grid-column: 1 / -1;
  }
}