:root {
    --pt-navy: #0A1628;      /* Primary */
    --pt-gold: #C9A84C;      /* Accent */
    --pt-cream: #F8F4EC;     /* Background */
    --pt-white: #FFFFFF;     
    --pt-muted: #64748B;
    --pt-border: rgba(201, 168, 76, 0.25);
    --transition-smooth: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Noto Sans KR', sans-serif;
    background-color: var(--pt-cream);
    color: var(--pt-navy);
    min-height: 100vh;
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
}

/* ==========================================
   1. 상시 고정 UI 컴포넌트 (네비게이터 & CTA)
   ========================================== */
/* 좌측 세로 네비게이터 */
.fixed-left-nav {
    position: fixed;
    left: 24px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 100;
    display: flex;
    flex-direction: column;
    gap: 16px;
    background: rgba(248, 244, 236, 0.85);
    border: 1px solid var(--pt-border);
    padding: 24px 14px;
    border-radius: 30px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(10, 22, 40, 0.05);
    list-style: none;
    margin: 0;
}
.nav-item {
    font-family: 'Noto Serif KR', serif;
    font-size: 12px;
    font-weight: 600;
    color: var(--pt-navy);
    cursor: pointer;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    letter-spacing: 0.1em;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 0;
}
.nav-item::after {
    content: '';
    width: 4px;
    height: 4px;
    background: var(--pt-gold);
    border-radius: 50%;
    opacity: 0.3;
    transition: var(--transition-smooth);
}
.nav-item:hover, .nav-item.active {
    color: var(--pt-gold);
}
.nav-item.active::after {
    opacity: 1;
    transform: scale(1.5);
}

/* 우측 세로 CTA 배너 */
.fixed-right-cta {
    position: fixed;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 100;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.cta-btn {
    background: var(--pt-navy);
    color: var(--pt-cream);
    border: 1px solid var(--pt-gold);
    padding: 18px 10px;
    border-radius: 20px;
    font-family: 'Noto Serif KR', serif;
    font-size: 11.5px;
    font-weight: 700;
    text-decoration: none;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    letter-spacing: 0.1em;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 15px rgba(10, 22, 40, 0.15);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}
.cta-btn:hover {
    background: var(--pt-gold);
    color: var(--pt-navy);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(201, 168, 76, 0.3);
}
.cta-btn.highlight {
    background: var(--pt-gold);
    color: var(--pt-navy);
    border-color: var(--pt-navy);
}
.cta-btn.highlight:hover {
    background: var(--pt-navy);
    color: var(--pt-gold);
    border-color: var(--pt-gold);
}

/* 헤더 브랜드 로고 */
.fixed-brand-header {
    position: fixed;
    top: 24px;
    left: 24px;
    right: 24px;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
    pointer-events: none;
}
.brand-logo {
    font-family: 'Playfair Display', serif;
    font-size: 20px;
    font-weight: 700;
    color: var(--pt-navy);
    letter-spacing: 4px;
    text-transform: uppercase;
    pointer-events: auto;
    cursor: pointer;
}
.brand-logo span {
    color: var(--pt-gold);
}

/* ==========================================
   2. 메인 컨텐츠 영역 및 에디토리얼 칼럼 레이아웃
   ========================================== */
main {
    max-width: 720px;
    margin: 0 auto;
    padding: 100px 24px 60px 24px;
    min-height: calc(100vh - 120px);
    box-sizing: border-box;
}

/* ------------------ [목록 뷰 스타일] ------------------ */
.hero-section {
    text-align: center;
    margin-bottom: 50px;
    animation: fadeIn 1s ease;
}

.hero-tag {
    font-family: 'Playfair Display', serif;
    font-size: 11px;
    font-weight: 600;
    color: var(--pt-gold);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 16px;
    display: inline-block;
    background: rgba(201, 168, 76, 0.08);
    padding: 6px 14px;
    border-radius: 50px;
    border: 1px solid var(--pt-border);
}

.hero-title {
    font-family: 'Noto Serif KR', serif;
    font-size: clamp(28px, 4vw, 36px);
    font-weight: 700;
    color: var(--pt-navy);
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.hero-desc {
    font-family: 'Noto Serif KR', serif;
    font-size: 14.5px;
    line-height: 1.85;
    color: var(--pt-muted);
    max-width: 600px;
    margin: 0 auto;
    word-break: keep-all;
}

/* 카테고리 필터 탭 */
.filter-container {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 50px;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease;
}

.filter-tab {
    background: rgba(248, 244, 236, 0.9);
    border: 1px solid var(--pt-border);
    color: var(--pt-navy);
    padding: 8px 18px;
    border-radius: 12px;
    font-family: 'Noto Serif KR', serif;
    font-size: 12.5px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    gap: 6px;
}

.filter-tab:hover {
    color: var(--pt-gold);
    border-color: var(--pt-gold);
    background: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

.filter-tab.active {
    color: var(--pt-cream);
    background: var(--pt-navy);
    border-color: var(--pt-navy);
    transform: translateY(-2px);
}

/* 글 목록 그리드 */
.grid-container {
    display: flex;
    flex-direction: column;
    gap: 24px;
    animation: fadeInUp 1s ease;
}

.blog-card {
    background: var(--pt-white);
    border: 1px solid var(--pt-border);
    border-radius: 20px;
    padding: 28px;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-height: 200px;
    text-align: left;
}

.blog-card:hover {
    transform: translateY(-4px);
    border-color: var(--pt-gold);
    box-shadow: 0 12px 30px rgba(10, 22, 40, 0.05);
}

.card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 11px;
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
}

.card-category {
    color: var(--pt-gold);
    background: rgba(201, 168, 76, 0.08);
    padding: 4px 10px;
    border-radius: 8px;
    border: 1px solid var(--pt-border);
    text-transform: uppercase;
}

.card-date {
    font-family: 'Playfair Display', serif;
    color: var(--pt-muted);
}

.card-title {
    font-family: 'Noto Serif KR', serif;
    font-size: 18px;
    font-weight: 700;
    color: var(--pt-navy);
    margin-bottom: 12px;
    line-height: 1.45;
    transition: var(--transition-smooth);
    word-break: keep-all;
}

.blog-card:hover .card-title {
    color: var(--pt-gold);
}

.card-desc {
    font-family: 'Noto Serif KR', serif;
    font-size: 13.5px;
    color: var(--pt-muted);
    margin-bottom: 20px;
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    word-break: keep-all;
}

.card-footer {
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: 'Playfair Display', 'Noto Serif KR', serif;
    font-size: 12px;
    font-weight: 700;
    color: var(--pt-navy);
    transition: var(--transition-smooth);
    margin-top: auto;
}

.blog-card:hover .card-footer {
    color: var(--pt-gold);
    gap: 10px;
}

/* ------------------ [글 상세 뷰 스타일 (Editorial)] ------------------ */
.detail-view {
    display: none;
    animation: fadeIn 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    text-align: left;
}

.back-btn {
    background: var(--pt-white);
    border: 1px solid var(--pt-border);
    color: var(--pt-navy);
    padding: 10px 20px;
    border-radius: 12px;
    font-family: 'Noto Serif KR', serif;
    font-size: 12.5px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 40px;
}

.back-btn:hover {
    border-color: var(--pt-gold);
    color: var(--pt-gold);
    transform: translateX(-4px);
}

.post-header {
    margin-bottom: 40px;
    border-bottom: 1px solid var(--pt-border);
    padding-bottom: 30px;
}

.post-title {
    font-family: 'Noto Serif KR', serif;
    font-size: clamp(24px, 5vw, 32px);
    font-weight: 700;
    color: var(--pt-navy);
    line-height: 1.35;
    margin-bottom: 20px;
    word-break: keep-all;
}

.post-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 13px;
    color: var(--pt-muted);
}

.post-category {
    color: var(--pt-gold);
    font-weight: 700;
    background: rgba(201, 168, 76, 0.08);
    padding: 4px 10px;
    border-radius: 8px;
    border: 1px solid var(--pt-border);
}

.post-date {
    font-family: 'Playfair Display', serif;
}

/* 에디토리얼 명조 본문 */
.post-body {
    font-family: 'Noto Serif KR', serif;
    font-size: 16px;
    line-height: 1.95;
    color: var(--pt-navy);
}

/* 첫 문단 Drop Cap 효과 */
.post-body > p:first-of-type::first-letter {
    font-family: 'Playfair Display', serif;
    font-size: 4.2rem;
    float: left;
    line-height: 0.8;
    margin-right: 10px;
    margin-top: 6px;
    font-weight: 700;
    color: var(--pt-gold);
    text-shadow: 0 1px 10px rgba(201, 168, 76, 0.1);
}

.post-body h1, .post-body h2, .post-body h3 {
    font-family: 'Noto Serif KR', serif;
    color: var(--pt-navy);
    margin-top: 40px;
    margin-bottom: 20px;
    font-weight: 700;
    word-break: keep-all;
}

.post-body h2 {
    font-size: 21px;
    border-left: 3px solid var(--pt-gold);
    padding-left: 14px;
    padding-top: 2px;
    padding-bottom: 2px;
}

.post-body h3 {
    font-size: 17px;
    color: var(--pt-gold);
}

.post-body p {
    margin-bottom: 24px;
    text-align: justify;
    word-break: keep-all;
}

.post-body strong {
    font-weight: 700;
    color: var(--pt-navy);
    box-shadow: inset 0 -6px 0 rgba(201, 168, 76, 0.2);
}

.post-body blockquote {
    background: rgba(248, 244, 236, 0.7);
    border-left: 3px solid var(--pt-gold);
    padding: 20px 24px;
    margin: 30px 0;
    border-radius: 0 12px 12px 0;
    position: relative;
}
.post-body blockquote p {
    margin-bottom: 0;
    font-style: italic;
    color: var(--pt-muted);
}

.post-body ul, .post-body ol {
    margin-bottom: 24px;
    padding-left: 24px;
}

.post-body li {
    margin-bottom: 10px;
}

/* 02_wiki 상시 백링크 스타일링 */
.post-body a {
    color: var(--pt-gold);
    font-weight: 700;
    text-decoration: none;
    border-bottom: 1.5px dashed var(--pt-gold);
    padding: 0 4px;
    border-radius: 4px;
    background: rgba(201, 168, 76, 0.04);
    transition: var(--transition-smooth);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.post-body a:hover {
    color: var(--pt-cream);
    background: var(--pt-gold);
    border-bottom-style: solid;
}

.post-body a::after {
    content: "\f05a";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    font-size: 11px;
}

.post-body img {
    max-width: 100%;
    height: auto;
    border-radius: 16px;
    margin: 30px 0;
    border: 1px solid var(--pt-border);
    box-shadow: 0 8px 24px rgba(10, 22, 40, 0.05);
}

/* ==========================================
   3. 지식 위키 슬라이드 서랍 (Wiki Drawer)
   ========================================== */
.drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 22, 40, 0.5);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 200;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-smooth);
}

.drawer-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.wiki-drawer {
    position: fixed;
    top: 0;
    right: 0;
    width: 440px;
    max-width: 100%;
    height: 100%;
    background: var(--pt-cream);
    border-left: 1px solid var(--pt-border);
    box-shadow: -15px 0 45px rgba(10, 22, 40, 0.15);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 201;
    transform: translateX(100%);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    text-align: left;
}

.drawer-overlay.active + .wiki-drawer {
    transform: translateX(0);
}

.drawer-header {
    padding: 24px 30px;
    border-bottom: 1px solid var(--pt-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.drawer-header h3 {
    font-family: 'Noto Serif KR', serif;
    font-size: 16px;
    font-weight: 700;
    color: var(--pt-navy);
    display: flex;
    align-items: center;
    gap: 10px;
}

.drawer-header h3 i {
    color: var(--pt-gold);
}

.drawer-close-btn {
    background: transparent;
    border: none;
    color: var(--pt-navy);
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-smooth);
    font-size: 16px;
}

.drawer-close-btn:hover {
    color: var(--pt-gold);
    transform: rotate(90deg);
}

.drawer-body {
    padding: 30px;
    overflow-y: auto;
    flex-grow: 1;
}

.wiki-hub-label {
    font-family: 'Playfair Display', serif;
    font-size: 10px;
    font-weight: 700;
    color: var(--pt-gold);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 8px;
}

.wiki-concept-title {
    font-family: 'Noto Serif KR', serif;
    font-size: 20px;
    font-weight: 700;
    color: var(--pt-navy);
    margin-bottom: 24px;
}

.wiki-summary-box {
    background: var(--pt-white);
    border: 1px dashed var(--pt-gold);
    border-radius: 14px;
    padding: 20px;
    margin-bottom: 30px;
    box-shadow: 0 4px 15px rgba(10, 22, 40, 0.02);
}

.wiki-summary-title {
    font-size: 12px;
    font-weight: 700;
    color: var(--pt-gold);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.wiki-summary-text {
    font-family: 'Noto Serif KR', serif;
    font-size: 13.5px;
    line-height: 1.7;
    color: var(--pt-navy);
}

.wiki-detail-title {
    font-size: 12px;
    font-weight: 800;
    color: var(--pt-navy);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.wiki-detail-text {
    font-family: 'Noto Serif KR', serif;
    font-size: 13.5px;
    line-height: 1.8;
    color: var(--pt-muted);
    white-space: pre-line;
}

.drawer-footer {
    padding: 20px 30px;
    border-top: 1px solid var(--pt-border);
    display: flex;
    justify-content: flex-end;
}

.drawer-ok-btn {
    background: var(--pt-navy);
    border: 1px solid var(--pt-gold);
    color: var(--pt-cream);
    padding: 12px;
    width: 100%;
    border-radius: 12px;
    font-family: 'Noto Serif KR', serif;
    font-weight: 700;
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition-smooth);
    text-align: center;
}

.drawer-ok-btn:hover {
    background: var(--pt-gold);
    color: var(--pt-navy);
}

/* ==========================================
   4. "오시는 길" 팝업 모달
   ========================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 22, 40, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 2000;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
}
.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.location-modal {
    background: var(--pt-cream);
    border: 1px solid var(--pt-gold);
    border-radius: 24px;
    width: 90%;
    max-width: 440px;
    padding: 32px;
    box-shadow: 0 20px 50px rgba(10, 22, 40, 0.15);
    position: relative;
    transform: translateY(30px);
    transition: var(--transition-smooth);
    box-sizing: border-box;
}
.modal-overlay.active .location-modal {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    right: 20px;
    top: 20px;
    background: transparent;
    border: none;
    font-size: 20px;
    color: var(--pt-navy);
    cursor: pointer;
    transition: var(--transition-smooth);
}
.modal-close:hover {
    color: var(--pt-gold);
    transform: rotate(90deg);
}

.modal-crest {
    font-size: 11px;
    color: var(--pt-gold);
    letter-spacing: 3px;
    margin-bottom: 12px;
    text-align: center;
}
.modal-title {
    font-family: 'Noto Serif KR', serif;
    font-size: 20px;
    font-weight: 700;
    text-align: center;
    color: var(--pt-navy);
    margin: 0 0 24px 0;
}

.modal-body {
    display: flex;
    flex-direction: column;
    gap: 20px;
    text-align: left;
}

.map-placeholder {
    width: 100%;
    height: 180px;
    background: #EAE6DF;
    border: 1px solid var(--pt-border);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Noto Serif KR', serif;
    font-size: 12.5px;
    color: var(--pt-muted);
    overflow: hidden;
    position: relative;
}
.map-placeholder iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.info-row {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}
.info-row i {
    color: var(--pt-gold);
    font-size: 14px;
    margin-top: 4px;
}
.info-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.info-label {
    font-size: 11px;
    font-weight: 700;
    color: var(--pt-gold);
    letter-spacing: 1px;
    text-transform: uppercase;
}
.info-value {
    font-family: 'Noto Serif KR', serif;
    font-size: 13.5px;
    line-height: 1.6;
    color: var(--pt-navy);
}
.info-value strong {
    font-weight: 700;
}
.info-note {
    font-size: 11px;
    color: var(--pt-muted);
    margin-top: 2px;
}

.modal-footer {
    margin-top: 10px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.btn-modal-action {
    background: var(--pt-navy);
    color: var(--pt-cream);
    border: 1px solid var(--pt-gold);
    padding: 12px;
    border-radius: 12px;
    font-family: 'Noto Serif KR', serif;
    font-size: 13px;
    font-weight: 700;
    text-align: center;
    text-decoration: none;
    transition: var(--transition-smooth);
    cursor: pointer;
}
.btn-modal-action:hover {
    background: var(--pt-gold);
    color: var(--pt-navy);
}

/* ------------------ [미세 애니메이션 및 디바이스 반응형] ------------------ */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 모바일 최적화 */
@media (max-width: 768px) {
    .fixed-left-nav {
        left: 12px;
        padding: 16px 8px;
    }
    .fixed-right-cta {
        right: 12px;
    }
    .nav-item {
        font-size: 10px;
        padding: 6px 0;
    }
    .cta-btn {
        padding: 14px 8px;
        font-size: 10px;
    }
    main {
        padding: 80px 60px 40px 60px;
    }
    .filter-container {
        gap: 8px;
        margin-bottom: 30px;
    }
    .filter-tab {
        padding: 6px 14px;
        font-size: 11.5px;
    }
    .blog-card {
        padding: 20px;
        min-height: auto;
    }
    .wiki-drawer {
        width: 100%;
        border-left: none;
    }
    .post-body h2 {
        font-size: 18px;
    }
    .post-body {
        font-size: 15px;
    }
}