/* =========================================================
   pages/main.css — 메인(index.html) 전용
   히어로(슬로건 + 롤링 배너), 게시판 미리보기, D-Day 카드
   ========================================================= */

/* ---------- 히어로 ---------- */
.hero {
    margin-top: var(--header-height);
    /* css/pages 폴더 기준이라 이미지 경로가 ../../ 입니다 */
    background: linear-gradient(rgba(0, 0, 0, 0.65), rgba(0, 0, 0, 0.65)), url('../../image/main-bg.jpg') center/cover;
    color: white;
    padding: 80px 24px;
    width: 100%;
}
.hero-inner {
    max-width: var(--container-width);
    margin: 0 auto;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 50px;
    width: 100%;
}

@keyframes fadeUp { 0% { opacity: 0; transform: translateY(30px); } 100% { opacity: 1; transform: translateY(0); } }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

/* 왼쪽: 슬로건 */
.hero-text { flex: 1; display: flex; flex-direction: column; align-items: center; text-align: center; min-width: 0; }
.slogan-box { position: relative; display: inline-block; margin-bottom: 35px; padding: 0 45px; max-width: 100%; }
.slogan-box__quote { font-family: var(--font-serif); font-size: 3.5rem; color: rgba(255, 255, 255, 0.25); position: absolute; top: -15px; line-height: 1; user-select: none; }
.slogan-box__quote--left { left: -10px; }
.slogan-box__quote--right { right: -10px; }
.slogan { font-family: var(--font-serif); font-size: 2.6rem; font-weight: 700; word-break: keep-all; line-height: 1.5; text-shadow: 0 4px 10px rgba(0, 0, 0, 0.5); white-space: pre-line; min-height: 5.2rem; }
.typing-cursor { display: inline-block; width: 3px; height: 2.3rem; background-color: var(--color-accent); vertical-align: middle; animation: blink 0.8s infinite; margin-left: 2px; }

.motto { background: rgba(255, 255, 255, 0.1); padding: 20px 40px; border-radius: var(--radius-xl); backdrop-filter: blur(5px); margin-bottom: 40px; border: 1px solid rgba(255, 255, 255, 0.2); text-align: left; opacity: 0; animation: fadeUp 0.8s ease-out 1.2s forwards; max-width: 100%; }
.motto__line { font-size: 1.1rem; line-height: 1.8; margin: 5px 0; }
.motto__key { color: var(--color-primary-light); font-size: 1.2rem; margin-right: 10px; }

/* 100대명산 총 등정 횟수 (누르면 등정대장으로 이동) */
.total-climbs { background-color: var(--color-primary); padding: 10px 10px 10px 25px; border-radius: 40px; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3); display: inline-flex; align-items: center; gap: 16px; white-space: nowrap; opacity: 0; animation: fadeUp 0.8s ease-out 1.5s forwards; max-width: 100%; }
.total-climbs__label { font-size: 1.15rem; font-weight: 700; color: #fff; }
.count-box { background-color: rgba(0, 0, 0, 0.25); padding: 6px 20px; border-radius: 30px; display: inline-flex; align-items: center; border: 1px solid rgba(255, 255, 255, 0.1); box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1); }
.count-box__current { color: var(--color-accent); font-weight: 900; font-size: 1.6rem; line-height: 1; }
.count-box__divider { color: rgba(255, 255, 255, 0.3); font-size: 1.2rem; margin: 0 10px; font-weight: 300; line-height: 1; }
.count-box__total { color: #a5d6a7; font-size: 1.1rem; font-weight: 500; line-height: 1; }

/* 오른쪽: 롤링 배너 (4:3 — 관리자 배너 미리보기 .banner-form__preview 와 같은 비율) */
.hero-popup { flex: 1; max-width: 600px; width: 100%; aspect-ratio: 4 / 3; background-color: rgba(0, 0, 0, 0.3); border-radius: 16px; border: 2px solid rgba(255, 255, 255, 0.2); box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4); overflow: hidden; position: relative; opacity: 0; animation: fadeUp 0.8s ease-out 0.3s forwards; }
.popup-track { display: flex; width: 100%; height: 100%; transition: transform 0.5s ease-in-out; }
.popup-slide { min-width: 100%; height: 100%; display: block; }
.popup-slide img { width: 100%; height: 100%; object-fit: cover; }
.popup-bottom { position: absolute; bottom: 0; left: 0; right: 0; padding: 15px 20px; background: linear-gradient(transparent, rgba(0, 0, 0, 0.8)); display: flex; justify-content: space-between; align-items: center; z-index: 10; }
.popup-pagination { display: flex; gap: 8px; }
.popup-dot { width: 8px; height: 8px; padding: 0; border: none; background-color: rgba(255, 255, 255, 0.4); border-radius: 50%; cursor: pointer; transition: all 0.3s; }
.popup-dot.is-active { width: 24px; border-radius: 4px; background-color: #fff; }
.popup-dot:focus-visible, .popup-controls__btn:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.popup-controls { background: rgba(0, 0, 0, 0.5); border-radius: 30px; padding: 5px 12px; display: flex; align-items: center; gap: 10px; }
.popup-counter { color: #fff; font-size: 0.85rem; font-weight: 600; letter-spacing: 1px; }
.popup-controls__btn { background: none; border: none; color: white; font-size: 11px; cursor: pointer; display: block; width: 16px; height: 16px; transition: color 0.3s; }
.popup-controls__btn:hover { color: var(--color-accent); }

@media (prefers-reduced-motion: reduce) {
    .popup-track { transition: none; }
}

/* ---------- 게시판 미리보기 ---------- */
.boards-container {
    max-width: var(--container-width);
    margin: 50px auto 80px auto;
    padding: 0 24px;
    width: 100%;
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
}
.board-section { min-width: 0; width: 100%; display: flex; flex-direction: column; }
.board-section__title {
    font-size: 1.4rem;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--color-text);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.board-section__more { font-size: 1rem; color: var(--color-text-muted); transition: color 0.3s; }
.board-section__more:hover { color: var(--color-primary); }

/* 등산인증 미리보기 (3 x 2 사진) */
.cert-grid { display: grid; grid-template-columns: repeat(3, 1fr); grid-template-rows: repeat(2, 1fr); gap: 15px; width: 100%; min-width: 0; flex: 1; }
.cert-item { background: #fff; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); transition: transform 0.3s; cursor: pointer; min-width: 0; display: flex; flex-direction: column; }
.cert-item:hover { transform: translateY(-3px); }
.cert-item__img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; display: block; background: var(--color-gray-100); }
.cert-item__info { padding: 12px; min-width: 0; flex: 1; display: flex; flex-direction: column; justify-content: center; }
.cert-item__title { font-weight: 600; margin-bottom: 8px; font-size: 0.95rem; display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cert-item__meta { display: flex; justify-content: space-between; align-items: center; font-size: 0.8rem; color: var(--color-text-faint); margin-top: 4px; }
.cert-item__meta-text { display: flex; align-items: center; gap: 4px; }

/* 자유게시판 미리보기 (목록) */
.free-list { background: #fff; border-radius: var(--radius-lg); padding: 0 20px; box-shadow: var(--shadow-sm); width: 100%; min-width: 0; }
.free-item { display: flex; justify-content: space-between; align-items: center; padding: 16.8px 0; border-bottom: 1px solid var(--color-border); min-width: 0; width: 100%; gap: 10px; }
.free-item:last-child { border-bottom: none; }
.free-item__title { flex: 1; min-width: 0; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; transition: color 0.3s; cursor: pointer; }
.free-item__title:hover { color: var(--color-primary); }
.free-item__date { font-size: 0.85rem; color: var(--color-text-faint); flex-shrink: 0; text-align: right; }

/* ---------- D-Day 카드 (js/pages/main.js 가 #ddaySlot 에 그림) ---------- */
.dday-slot { margin-top: 15px; flex: 1; display: flex; }
.dday-card {
    flex: 1;
    background: linear-gradient(to right, rgba(27, 94, 32, 0.85), rgba(0, 0, 0, 0.6)), url('../../image/sub-bg.jpg') center/cover;
    border-radius: var(--radius-lg);
    padding: 20px 24px;
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
    min-width: 0;
}
a.dday-card:hover { transform: translateY(-3px); box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15); }
.dday-card__header { display: flex; align-items: center; gap: 10px; margin-bottom: 15px; min-width: 0; }
.dday-card__badge { background-color: var(--color-alert); color: #fff; font-weight: 800; font-size: 0.85rem; padding: 4px 12px; border-radius: 20px; box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2); flex-shrink: 0; }
.dday-card__title { font-size: 1.15rem; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; }
.dday-card__header .status-pill { margin-left: auto; flex-shrink: 0; }
.dday-card__info { font-size: 0.95rem; line-height: 1.6; color: #e0e0e0; margin-bottom: 15px; }
.dday-card__line { display: flex; gap: 8px; align-items: center; margin: 3px 0; min-width: 0; }
.dday-card__ellipsis { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; }
.dday-card__btn { display: block; text-align: center; background: rgba(255, 255, 255, 0.15); color: #fff; padding: 12px; border-radius: var(--radius-md); font-weight: 600; font-size: 0.95rem; border: 1px solid rgba(255, 255, 255, 0.3); transition: 0.3s; }
.dday-card__btn:hover, a.dday-card:hover .dday-card__btn { background: var(--color-primary); border-color: var(--color-primary); }

/* 예정된 산행이 없을 때 */
.dday-card--empty { background: linear-gradient(135deg, #455a64, #263238); }
.dday-card--empty .dday-card__info { color: #cfd8dc; }

/* ---------- 태블릿 (992px 이하) ---------- */
@media screen and (max-width: 992px) {
    .boards-container { grid-template-columns: 1fr; gap: 40px; }
    .cert-grid { grid-template-columns: repeat(3, 1fr); }
    .dday-card { min-height: 200px; }
}

/* ---------- 모바일 (768px 이하) ---------- */
@media screen and (max-width: 768px) {
    .hero { padding: 50px 16px; }
    .hero-inner { flex-direction: column; text-align: center; gap: 30px; }

    .slogan-box { padding: 0 20px; margin-bottom: 20px; }
    .slogan-box__quote--left { font-size: 2.2rem; top: -10px; left: -5px; }
    .slogan-box__quote--right { font-size: 2.2rem; top: -10px; right: -5px; }
    .slogan { font-size: 1.75rem; }
    .motto { padding: 15px 18px; width: 100%; }

    .total-climbs { white-space: normal; flex-wrap: wrap; justify-content: center; padding: 12px 16px; gap: 10px; width: 100%; }
    .total-climbs__label { font-size: 0.95rem; }
    .count-box { padding: 4px 14px; }
    .count-box__current { font-size: 1.3rem; }
    .count-box__divider { font-size: 1rem; margin: 0 6px; }
    .count-box__total { font-size: 0.95rem; }

    .hero-popup { max-width: 100%; }

    .boards-container { margin: 30px auto; padding: 0 16px; gap: 30px; }

    .cert-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .cert-item:nth-child(n+5) { display: none; }
    .cert-item__info { padding: 10px; }
    .cert-item__title { font-size: 0.88rem; margin-bottom: 4px; }
    .cert-item__meta { font-size: 0.75rem; }

    .free-list { padding: 0 16px; }
    .free-item { padding: 14px 0; }
    .free-item__title { font-size: 0.9rem; }
    .free-item__date { font-size: 0.8rem; }

    .dday-card__header { flex-wrap: wrap; gap: 6px; }
    .dday-card__title { font-size: 1.05rem; }
    .dday-card__info { font-size: 0.85rem; }
}