@charset "UTF-8";

/* ==========================================================================
   0. RESET & DESIGN TOKENS
   ========================================================================== */
:root {
    --bg-dark-primary: #030712;
    --bg-dark-secondary: #080f1e;
    --accent-blue: #2ebcf9;
    --accent-blue-rgb: 46, 188, 249;
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.65);
    --text-muted: rgba(255, 255, 255, 0.4);
    --border-subtle: rgba(255, 255, 255, 0.08);
    --transition-fast: 0.25s ease;
    --transition-normal: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.notice-detail-page {
    background-color: var(--bg-dark-primary);
    color: var(--text-primary);
    font-family: 'Jost', 'Noto Sans KR', sans-serif;
    overflow-x: hidden;
}

.max-layout-width {
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 2rem;
    box-sizing: border-box;
}

/* ==========================================================================
   1. HERO BANNER ZONE
   ========================================================================== */
.about-hero {
    height: 60vh;
    min-height: 460px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #000;
    padding-top: 80px;
    box-sizing: border-box;
}

.about-hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 1;
}

.hero-overlay-filter {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg,
    rgba(3, 7, 18, 0.2) 0%,
    rgba(3, 7, 18, 0.6) 70%,
    var(--bg-dark-primary) 100%
    );
    z-index: 2;
    pointer-events: none;
}

.hero-flex-wrap {
    width: 100%;
    display: flex;
    justify-content: center;
}

.about-hero-inner {
    position: relative;
    z-index: 3;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.eng-sub {
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.25em;
    color: var(--accent-blue);
    text-transform: uppercase;
    display: block;
    margin-bottom: 1.25rem;
    text-shadow: 0 0 15px rgba(46, 188, 249, 0.45);
}

.hero-main-title {
    font-size: clamp(3.2rem, 5vw, 4.8rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: 0.08em;
    margin-bottom: 2rem;
    text-transform: uppercase;
    background: linear-gradient(135deg, #ffffff 0%, #a5e3ff 50%, #2ebcf9 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 2px 10px rgba(0, 0, 0, 0.9))
    drop-shadow(0 0 20px rgba(46, 188, 249, 0.25))
    drop-shadow(0 0 50px rgba(46, 188, 249, 0.15));
}

.brand-logo-wrap {
    display: flex;
    justify-content: center;
    width: 100%;
}

.hero-center-logo {
    height: 2.2rem;
    width: auto;
    object-fit: contain;
    opacity: 0.85;
}

.reveal-element {
    opacity: 0;
    transform: translateY(40px) scale(0.97);
    transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1),
    transform 1.2s cubic-bezier(0.16, 1, 0.3, 1),
    letter-spacing 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.about-hero-inner .reveal-element {
    letter-spacing: 0.18em;
}

.reveal-element.active {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.about-hero-inner .reveal-element.active { letter-spacing: 0.08em; }
.about-hero-inner .eng-sub.reveal-element.active { letter-spacing: 0.25em; }

/* ==========================================================================
   2. NOTICE DETAIL CONTENT SECTION
   ========================================================================== */
.notice-board-section {
    padding: 80px 0 120px;
    background-color: var(--bg-dark-primary);
    width: 100%;
    box-sizing: border-box;
}

.notice-detail-container {
    width: 100%;
    border-top: 2px solid var(--accent-blue);
    background: rgba(255, 255, 255, 0.01);
    border-left: 1px solid var(--border-subtle);
    border-right: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
    padding: 50px;
    box-sizing: border-box;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    border-radius: 0 0 6px 6px;
}

.detail-header-wrap {
    border-bottom: 1px solid var(--border-subtle);
    padding-bottom: 30px;
    margin-bottom: 40px;
}

.detail-main-title {
    font-size: 1.85rem;
    color: #ffffff;
    font-weight: 700;
    letter-spacing: -0.01em;
    margin-bottom: 20px;
    line-height: 1.4;
    text-align: left;
}

.fixed-badge {
    display: inline-block;
    background-color: var(--accent-blue);
    color: #030712;
    font-size: 0.8rem;
    font-weight: 700;
    padding: 4px 14px;
    border-radius: 4px;
    margin-right: 12px;
    vertical-align: middle;
    transform: translateY(-2px);
}

.detail-meta-info {
    display: flex;
    align-items: center;
    gap: 15px;
    color: var(--text-muted);
    font-size: 0.95rem;
    text-align: left;
}

.detail-meta-info strong {
    color: var(--text-secondary);
    font-weight: 600;
}

.detail-meta-info .divider {
    color: var(--border-subtle);
    font-size: 0.8rem;
}

.detail-body-text {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.9;
    word-break: keep-all;
    min-height: 250px;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.detail-body-text strong {
    color: #ffffff;
}

.detail-feature-list {
    list-style: none;
    padding: 10px 0 10px 15px;
    margin: 10px 0;
    border-left: 2px solid var(--accent-blue);
    display: flex;
    flex-direction: column;
    gap: 10px;
    background: rgba(46, 188, 249, 0.02);
}

.detail-feature-list li {
    position: relative;
    padding-left: 15px;
}

.detail-feature-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent-blue);
}

.signature-text {
    margin-top: 30px;
    color: var(--accent-blue);
    font-weight: 700;
    font-size: 1.1rem;
}

/* ==========================================================================
   3. NOTICE PREV / NEXT NAVIGATION (클래스 모듈화)
   ========================================================================== */
.notice-nav-wrap {
    margin-top: 2.5rem;
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
    background: rgba(255, 255, 255, 0.005);
}

.nav-item-row {
    padding: 1.1rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-sizing: border-box;
}

.nav-item-row.prev-row {
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.nav-label {
    color: var(--accent-blue);
    font-weight: 700;
    font-size: 0.92rem;
    width: 90px;
    flex-shrink: 0;
    text-align: left;
}

.nav-content {
    flex: 1;
    text-align: left;
    padding-left: 1rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.nav-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

.nav-link:hover {
    color: var(--accent-blue);
}

.nav-empty {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ==========================================================================
   4. ACTION BUTTON CONTROLLER
   ========================================================================== */
.detail-action-wrap {
    width: 100%;
    display: flex;
    justify-content: center;
    margin-top: 50px;
}

.btn-notice-back {
    display: inline-block;
    font-size: 1rem;
    font-weight: 700;
    color: #030712;
    background-color: var(--accent-blue);
    border: 1px solid var(--accent-blue);
    padding: 14px 70px;
    border-radius: 40px;
    cursor: pointer;
    text-decoration: none;
    letter-spacing: 0.05em;
    transition: all var(--transition-fast);
    box-shadow: 0 4px 15px rgba(46, 188, 249, 0.2);
}

.btn-notice-back:hover {
    background-color: transparent;
    color: var(--accent-blue);
    box-shadow: 0 0 25px rgba(46, 188, 249, 0.4);
    transform: translateY(-3px);
}

/* ==========================================================================
   5. RESPONSIVE DESIGN
   ========================================================================== */
@media (max-width: 1200px) {
    .about-hero { height: 50vh; padding-top: 70px; }
}

@media (max-width: 768px) {
    .about-hero { height: 40vh; padding-top: 60px; }
    .hero-main-title { font-size: 2.8rem; }

    .notice-detail-container {
        padding: 30px 20px;
    }

    .detail-main-title {
        font-size: 1.45rem;
        line-height: 1.5;
    }

    .detail-meta-info {
        flex-wrap: wrap;
        gap: 8px 12px;
        font-size: 0.88rem;
    }

    .detail-meta-info .divider {
        display: none;
    }

    .detail-body-text {
        font-size: 0.95rem;
        line-height: 1.75;
    }

    .nav-label {
        width: 75px;
        font-size: 0.85rem;
    }

    .nav-link, .nav-empty {
        font-size: 0.88rem;
    }

    .btn-notice-back {
        display: block;
        width: 100%;
        padding: 14px 0;
        text-align: center;
    }
}