/* ── Variables ── */
:root {
    --red: #FE5C50;
    --red-dark: #e04840;
    --red-light: #fff0ef;
    --navy: #1e2448;
    --text: #333;
    --text-sub: #555;
    --text-light: #888;
    --border: #ddd;
    --border-light: #eee;
    --bg: #f5f5f5;
    --white: #fff;
    --shadow: 0 1px 4px rgba(0,0,0,.1);
}

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

body {
    font-family: 'Noto Sans KR', 'Malgun Gothic', sans-serif;
    font-size: 13px;
    color: var(--text);
    background: #ffffff;
    line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--red); }

/* ── Logo ── */
.site-logo-img {
    height: 75px;
    width: auto;
    display: block;
}

/* ── Lang Links ── */
.lang-links {
    display: flex;
    align-items: center;
    gap: 5px;
}
.lang-btn {
    display: flex;
    align-items: center;
    padding: 0 1px;
    transition: transform .15s, opacity .15s;
    opacity: .78;
    text-decoration: none;
}
.lang-btn img {
    display: block;
    width: 20px;
    height: 13px;
    object-fit: cover;
    border-radius: 1px;
    box-shadow: 0 0 0 1px rgba(255,255,255,.15);
}
.lang-btn:hover { opacity: 1; transform: scale(1.12); }
.lang-btn.active-lang { opacity: 1; box-shadow: none; }
.lang-sep { display: none; }
.top-bar .d-flex { align-items: center; }
.top-date { line-height: 1; }

/* ── Hero Banner ── */
.hero-banner-wrap {
    width: 100%;
    background: #111;
    position: relative;
    overflow: hidden;
    border-radius: 5px;
    margin-top: 14px;
    box-shadow: 0 2px 12px rgba(0,0,0,.18);
}
.hero-img {
    width: 100%;
    height: clamp(144px, 28vw, 384px);
    object-fit: cover;
    filter: brightness(.65);
    display: block;
}
.hero-placeholder {
    height: clamp(144px, 28vw, 384px);
    background: linear-gradient(135deg, var(--navy) 0%, #0a3a9e 100%);
    display: flex; align-items: center; justify-content: center;
    color: white; text-align: center;
}
.hero-placeholder i { font-size: 40px; display: block; margin-bottom: 10px; opacity: .6; }
.hero-placeholder p { font-size: 14px; opacity: .7; margin-bottom: 12px; }
.hero-caption {
    position: absolute;
    bottom: 14%;
    left: 50%; transform: translateX(-50%);
    text-align: center;
    width: 80%;
    padding: 0;
}
.hero-caption h2 {
    font-size: clamp(1.4rem, 3.5vw, 2.4rem);
    font-weight: 700;
    text-shadow: 0 2px 10px rgba(0,0,0,.55);
    margin-bottom: .5rem;
    color: #fff;
}
.hero-caption p {
    font-size: clamp(.85rem, 1.8vw, 1rem);
    color: rgba(255,255,255,.88);
    text-shadow: 0 1px 6px rgba(0,0,0,.4);
    margin-bottom: 1rem;
}
.hero-btn {
    display: inline-block;
    background: var(--red);
    color: white;
    font-size: 13px;
    font-weight: 600;
    padding: 8px 24px;
    border-radius: 2px;
    text-decoration: none;
    transition: background .2s;
}
.hero-btn:hover { background: var(--red-dark); color: white; }
.hero-ctrl {
    width: 40px; height: 40px;
    background: rgba(0,0,0,.35) !important;
    border-radius: 50%;
    top: 50%; transform: translateY(-50%);
    margin: 0 12px;
    backdrop-filter: blur(3px);
    border: 1px solid rgba(255,255,255,.2) !important;
    transition: background .2s;
}
.hero-ctrl:hover { background: rgba(0,0,0,.55) !important; }
.hero-banner-wrap .carousel-indicators [data-bs-target] {
    width: 28px; height: 3px; border-radius: 2px; opacity: .5;
    background: white;
}
.hero-banner-wrap .carousel-indicators .active {
    background: var(--red); opacity: 1;
}

/* ── Top Bar ── */
/* ── Unified Header Wrapper (gradient + diagonal accent) ── */
.site-header-wrap {
    background: linear-gradient(108deg, #0d1336 0%, #162668 52%, #1e3bbf 100%);
    position: relative;
    overflow: hidden;
}
.site-header-wrap::before {
    content: '';
    position: absolute;
    top: -40%;
    right: 2%;
    width: 32%;
    height: 300%;
    background: rgba(90, 140, 255, 0.13);
    transform: rotate(-18deg);
    pointer-events: none;
}
.site-header-wrap::after {
    content: '';
    position: absolute;
    top: -20%;
    right: 8%;
    width: 18%;
    height: 260%;
    background: rgba(120, 170, 255, 0.09);
    transform: rotate(-18deg);
    pointer-events: none;
}

.top-bar {
    background: transparent;
    border-bottom: 1px solid rgba(255,255,255,.08);
    font-size: 12px;
    padding: 5px 0;
    color: rgba(255,255,255,.7);
}
.top-bar .welcome { color: rgba(255,255,255,.9); font-weight: 500; }
.top-bar .top-links a {
    color: rgba(255,255,255,.65);
    padding: 0 6px;
    border-right: 1px solid rgba(255,255,255,.2);
    font-size: 11px;
}
.top-bar .top-links a:last-child { border-right: none; }
.top-bar .top-links a:hover { color: white; }
.top-bar .top-date { color: rgba(255,255,255,.5); font-size: 11px; }

/* ── Header ── */
.site-header {
    background: transparent;
    border-bottom: none;
    padding: 12px 0;
}
.brand-logo { display: flex; align-items: center; gap: 10px; }
.brand-logo img { height: 75px; }
.brand-text { display: flex; flex-direction: column; }
.brand-name {
    font-size: 22px;
    font-weight: 700;
    color: white;
    letter-spacing: -0.5px;
    line-height: 1;
}
.brand-name .brand-sigma { color: var(--red); }
.brand-sub {
    font-size: 10px;
    color: rgba(255,255,255,.5);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-top: 2px;
}

/* Search */
.header-search { display: flex; align-items: center; gap: 6px; }
.search-type {
    border: 1px solid rgba(255,255,255,.2);
    background: rgba(255,255,255,.1);
    padding: 5px 8px;
    font-size: 12px;
    border-radius: 2px 0 0 2px;
    color: rgba(255,255,255,.8);
    height: 32px;
}
.search-type option { background: var(--navy); color: white; }
.search-input {
    border: 1px solid rgba(255,255,255,.2);
    border-left: none;
    background: rgba(255,255,255,.1);
    color: white;
    padding: 5px 10px;
    font-size: 12px;
    width: 180px;
    height: 32px;
    outline: none;
}
.search-input::placeholder { color: rgba(255,255,255,.45); }
.search-btn {
    background: var(--red);
    color: white;
    border: none;
    padding: 5px 14px;
    font-size: 12px;
    cursor: pointer;
    height: 32px;
    font-family: inherit;
    border-radius: 0 2px 2px 0;
    transition: background .2s;
}
.search-btn:hover { background: var(--red-dark); }

/* ── Main Nav ── */
.main-nav {
    background: transparent;
    border-top: 1px solid rgba(255,255,255,.1);
    border-bottom: none;
}
.main-nav ul { list-style: none; display: flex; margin: 0; padding: 0; }
.main-nav ul li a {
    display: block;
    padding: 11px 22px;
    font-size: 14px;
    font-weight: 600;
    color: rgba(255,255,255,.8);
    border-bottom: 3px solid transparent;
    transition: all .2s;
    white-space: nowrap;
}
.main-nav ul li a:hover,
.main-nav ul li a.active {
    color: white;
    border-bottom-color: var(--red);
}
.nav-toggle {
    display: none;
    background: none;
    border: none;
    padding: 10px;
    cursor: pointer;
    font-size: 18px;
    color: rgba(255,255,255,.8);
}

/* ── Layout ── */
.page-wrapper { max-width: 1100px; margin: 0 auto; padding: 0 10px; }
.main-content { padding: 0 0 40px; }

/* ── Section Header Tabs ── */
.section-tab {
    display: flex;
    align-items: center;
    background: #ffffff;
    padding: 0 0 14px;
    margin-bottom: 12px;
    border-bottom: none;
}
.section-tab-title {
    background: none;
    color: #121a42;
    font-size: 26px;
    font-weight: 700;
    padding: 0;
    letter-spacing: -0.3px;
}
.section-tab-more {
    margin-left: auto;
    font-size: 9px;
    font-weight: 600;
    color: #ffffff;
    background: #0d1a4a;
    padding: 6px 13px;
    border-radius: 20px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    text-decoration: none;
    transition: background .2s;
}
.section-tab-more::after {
    content: '+';
    font-size: 11px;
    font-weight: 700;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 13px;
    height: 13px;
    background: rgba(255,255,255,.2);
    border-radius: 50%;
}
.section-tab-more:hover { background: #1e3bbf; color: #ffffff; }
.section-tab-center { justify-content: center; }

/* ── Home Layout ── */
.home-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    align-items: stretch;
    margin-top: 30px;
}
.home-left, .home-right {
    display: flex;
    flex-direction: column;
    min-width: 0;
}
.home-left .content-box,
.home-right .content-box {
    flex: 1;
    display: flex;
    flex-direction: column;
    border-color: #8fa3c8;
}
.home-left .content-box > div:last-child,
.home-right .content-box > div:last-child {
    flex: 1;
}

/* ── News List ── */
.news-list { list-style: none; padding: 0; }
.news-list li {
    display: flex;
    align-items: flex-start;
    gap: 6px;
    padding: 7px 0;
    border-bottom: 1px solid var(--border-light);
    font-size: 13px;
}
.news-list li:last-child { border-bottom: none; }
.news-dot {
    color: var(--red);
    font-size: 16px;
    line-height: 1.2;
    flex-shrink: 0;
}
.news-title {
    flex: 1;
    color: #333;
    line-height: 1.5;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}
.news-title:hover { color: var(--red); }
.news-date {
    color: var(--text-light);
    font-size: 11px;
    flex-shrink: 0;
    margin-left: 8px;
    white-space: nowrap;
    line-height: 1.8;
}
.news-new {
    background: var(--red);
    color: white;
    font-size: 9px;
    padding: 1px 4px;
    border-radius: 2px;
    flex-shrink: 0;
    line-height: 1.8;
}

/* ── Slider (Right Column) ── */
.home-right .carousel-wrap {
    background: #222;
    overflow: hidden;
    position: relative;
}
.home-right .carousel-item { height: 200px; }
.home-right .carousel-item img {
    width: 100%; height: 200px; object-fit: cover; opacity: .85;
}
.home-right .carousel-caption {
    bottom: 10px; left: 10px; right: 10px;
    text-align: left; padding: 0;
}
.home-right .carousel-caption h6 {
    font-size: 13px; font-weight: 600;
    text-shadow: 0 1px 4px rgba(0,0,0,.6);
    margin: 0;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.home-right .carousel-indicators [data-bs-target] {
    width: 20px; height: 3px; border-radius: 2px; opacity: .6;
}
.home-right .carousel-indicators .active { background: var(--red); opacity: 1; }
.home-right .carousel-control-prev,
.home-right .carousel-control-next {
    width: 32px; height: 32px;
    background: rgba(0,0,0,.4);
    border-radius: 50%;
    top: 50%; transform: translateY(-50%);
    margin: 0 6px;
}
.no-banner-placeholder {
    height: 200px;
    background: linear-gradient(135deg, var(--navy), #0a3a9e);
    display: flex; align-items: center; justify-content: center;
    color: white; text-align: center;
    font-size: 13px;
}

/* ── Report List (right) ── */
.report-list { list-style: none; padding: 0; }
.report-list li {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 0;
    border-bottom: 1px solid var(--border-light);
    font-size: 12px;
}
.report-list li:last-child { border-bottom: none; }
.pdf-icon {
    color: #FE5C50;
    font-size: 16px;
    flex-shrink: 0;
}
.report-title {
    flex: 1;
    color: #333;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}
.report-title:hover { color: var(--red); }
.report-date { color: var(--text-light); font-size: 11px; flex-shrink: 0; }

/* ── White Card Box ── */
.content-box {
    background: var(--white);
    border: 1px solid var(--border);
    padding: 14px 16px;
    margin-bottom: 14px;
}

/* ── Related Posts Grid ── */
.related-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    background: var(--white);
    border: 1px solid var(--border);
    border-top: none;
    padding: 14px;
}
.related-card {
    display: block;
    text-decoration: none;
    color: inherit;
    border: 1px solid var(--border-light);
    border-radius: 2px;
    overflow: hidden;
    transition: box-shadow .2s, border-color .2s;
}
.related-card:hover {
    box-shadow: 0 2px 10px rgba(0,0,0,.1);
    border-color: var(--red);
    color: inherit;
}
.related-thumb {
    width: 100%;
    height: 90px;
    object-fit: cover;
    display: block;
}
.related-thumb-placeholder {
    width: 100%;
    height: 90px;
    background: linear-gradient(135deg, #eef2f7, #dde6f0);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #94a3b8;
    font-size: 22px;
}
.related-body {
    padding: 8px 10px;
}
.related-title {
    font-size: 12px;
    font-weight: 600;
    color: #333;
    line-height: 1.5;
    margin-bottom: 5px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.related-card:hover .related-title { color: var(--red); }
.related-meta {
    font-size: 10px;
    color: #aaa;
    display: flex;
    align-items: center;
    gap: 4px;
}

@media (max-width: 700px) {
    .related-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ── Featured Article (below left news) ── */
.featured-article {
    background: var(--white);
    border: 1px solid var(--border);
    padding: 16px;
    display: flex;
    gap: 12px;
    margin-bottom: 14px;
}
.featured-article img {
    width: 120px; height: 80px;
    object-fit: cover; border-radius: 3px;
    flex-shrink: 0;
}
.featured-article .fa-placeholder {
    width: 120px; height: 80px;
    background: #e8edf5;
    display: flex; align-items: center; justify-content: center;
    color: #aaa; font-size: 24px;
    border-radius: 3px; flex-shrink: 0;
}
.featured-article .fa-title {
    font-size: 14px; font-weight: 600; color: #222;
    line-height: 1.5; margin-bottom: 6px;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.featured-article .fa-title:hover { color: var(--red); }
.featured-article .fa-excerpt {
    font-size: 12px; color: #666; line-height: 1.6;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.featured-article .fa-meta { font-size: 11px; color: #999; margin-top: 6px; }
.featured-more { font-size: 12px; color: var(--red); font-weight: 600; }
.featured-more:hover { text-decoration: underline; }

/* ── Board List Page ── */
.page-title-bar {
    background: #f0f2f6;
    border-bottom: none;
    padding: 36px 0 32px;
    margin-bottom: 16px;
}
.page-title-bar h1 {
    font-size: 28px;
    font-weight: 700;
    color: #000b2d;
    margin: 0; line-height: 1.2;
}
.breadcrumb-nav { font-size: 11px; color: #999; margin-top: 8px; }
.breadcrumb-nav a { color: #777; }
.breadcrumb-nav a:hover { color: var(--navy); }
.breadcrumb-nav span { margin: 0 4px; }

/* Board Table Style */
.board-table { width: 100%; border-collapse: collapse; background: var(--white); table-layout: auto; }
.board-table thead th {
    background: #f2f2f2;
    border-top: none;
    border-bottom: 1px solid var(--border);
    padding: 9px 12px;
    font-size: 12px;
    font-weight: 600;
    color: #444;
    text-align: center;
}
.board-table thead th.col-title { text-align: left; padding-left: 16px; }
.board-table tbody tr {
    border-bottom: 1px solid var(--border-light);
    transition: background .15s;
}
.board-table tbody tr:hover { background: #fafafa; }
.board-table tbody td {
    padding: 10px 12px;
    font-size: 13px;
    color: #444;
    text-align: center;
    vertical-align: middle;
}
.board-table tbody td.col-title {
    text-align: left;
    padding-left: 16px;
}
.board-table .post-link {
    color: #333;
    font-size: 13px;
    display: block;
    line-height: 1.5;
    white-space: normal;
    overflow-wrap: break-word;
    word-break: keep-all;
}
.board-table tbody td.col-title {
    white-space: normal;
}
.board-table .col-author,
.board-table .col-date {
    white-space: nowrap;
}
.board-table .post-link:hover { color: var(--red); }
.board-table .badge-new {
    background: var(--red);
    color: white;
    font-size: 9px;
    padding: 1px 4px;
    border-radius: 2px;
    margin-left: 4px;
    vertical-align: middle;
}
.board-table .has-thumb::before {
    content: '🖼';
    font-size: 10px;
    margin-right: 4px;
    opacity: .4;
}

/* Board Search */
.board-search-bar {
    background: var(--white);
    border: 1px solid var(--border);
    padding: 12px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0;
}
.board-search-bar .post-count { font-size: 12px; color: #666; }
.board-search-form { display: flex; }
.board-search-form select {
    border: 1px solid var(--border);
    font-size: 12px; padding: 4px 8px;
    border-radius: 2px 0 0 2px; background: #f8f8f8; color: #555;
}
.board-search-form input[type="text"] {
    border: 1px solid var(--border); border-left: none;
    font-size: 12px; padding: 4px 10px;
    width: 160px; outline: none;
}
.board-search-form button {
    background: var(--red); color: white;
    border: none; padding: 4px 12px;
    font-size: 12px; cursor: pointer;
    border-radius: 0 2px 2px 0;
    font-family: inherit;
}

/* ── Pagination ── */
.board-pagination {
    display: flex; justify-content: center; gap: 2px;
    padding: 16px 0;
}
.board-pagination a,
.board-pagination span {
    display: inline-flex; align-items: center; justify-content: center;
    width: 28px; height: 28px;
    border: 1px solid var(--border);
    font-size: 12px; color: #555;
    background: var(--white);
    transition: all .15s;
}
.board-pagination a:hover { border-color: var(--red); color: var(--red); }
.board-pagination .current {
    background: var(--red); border-color: var(--red); color: white;
}

/* ── Detail Page ── */
.detail-header {
    background: var(--white);
    border: 1px solid var(--border);
    border-top: 3px solid var(--red);
    padding: 20px 24px 16px;
    margin-bottom: 0;
}
.detail-header .board-type-label {
    display: inline-block;
    background: var(--red);
    color: white;
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 2px;
    margin-bottom: 8px;
    font-weight: 600;
}
.detail-header h1 {
    font-size: 18px;
    font-weight: 700;
    color: #111;
    line-height: 1.5;
    margin-bottom: 10px;
}
.detail-meta {
    display: flex; gap: 16px;
    font-size: 12px; color: #888;
    border-top: 1px solid var(--border-light);
    padding-top: 10px;
}
.detail-meta span { display: flex; align-items: center; gap: 4px; }

.detail-body {
    background: var(--white);
    border: 1px solid var(--border);
    border-top: none;
    padding: 24px;
    font-size: 14px;
    line-height: 1.9;
    color: #333;
    min-height: 300px;
}
.detail-body p { margin-bottom: 1em; }
.detail-body img { max-width: 100%; border-radius: 3px; margin: 8px 0; }
.detail-body h2, .detail-body h3 {
    color: var(--navy); font-weight: 700; margin: 1.5em 0 .5em;
}

.detail-thumbnail {
    width: 100%; max-height: 360px;
    object-fit: cover; border-radius: 3px; margin-bottom: 20px;
}

.detail-nav {
    background: var(--white);
    border: 1px solid var(--border);
    border-top: 1px solid var(--border-light);
}
.detail-nav-row {
    display: flex; align-items: center; gap: 12px;
    padding: 10px 20px;
    border-bottom: 1px dashed var(--border);
    font-size: 13px;
}
.detail-nav-row:last-child { border-bottom: none; }
.detail-nav-label {
    font-size: 11px; color: #888; font-weight: 600;
    min-width: 50px; text-align: center;
    background: #f5f5f5;
    padding: 3px 6px;
    border-radius: 2px;
    flex-shrink: 0;
}
.detail-nav-title {
    color: #333; flex: 1;
    overflow: hidden; white-space: nowrap; text-overflow: ellipsis;
}
.detail-nav-title:hover { color: var(--red); }

/* ── Sidebar ── */
.detail-sidebar { display: flex; flex-direction: column; gap: 14px; }
.sidebar-box {
    background: var(--white);
    border: 1px solid var(--border);
}
.sidebar-box-title {
    background: #f2f2f2;
    border-bottom: 1px solid var(--border);
    border-top: 2px solid var(--red);
    padding: 7px 12px;
    font-size: 12px;
    font-weight: 700;
    color: #333;
}
.sidebar-list { list-style: none; padding: 0; }
.sidebar-list li {
    padding: 7px 12px;
    border-bottom: 1px solid var(--border-light);
    font-size: 12px;
}
.sidebar-list li:last-child { border-bottom: none; }
.sidebar-list a {
    color: #444;
    display: block;
    overflow: hidden; white-space: nowrap; text-overflow: ellipsis;
}
.sidebar-list a:hover { color: var(--red); }
.sidebar-list .s-date { font-size: 10px; color: #aaa; display: block; margin-top: 2px; }

/* ── About Page ── */

/* Header banner (light gray, replaces navy page-title-bar) */
.about-page-banner {
    background: #f0f2f6;
    padding: 36px 0 32px;
}
.about-page-title {
    font-size: 28px; font-weight: 700;
    color: #000b2d; margin: 0; line-height: 1.2;
}

/* Content body */
.about-body {
    background: #fff;
    padding: 36px 0 10px;
}

/* Intro text */
.about-intro-text {
    font-size: 15px; color: #333; line-height: 1.85;
    margin-bottom: 28px;
}

/* Feature 2x2 grid */
.about-feat-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
    margin-bottom: 36px;
}
.about-feat-item {
    display: flex; gap: 16px; align-items: flex-start;
    padding: 20px 18px;
    border: 1px solid #dde1ea;
    border-radius: 4px;
    background: #fff;
}
.about-feat-icon {
    flex-shrink: 0;
    width: 48px; height: 48px; border-radius: 50%;
    background: #e8ebf5;
    display: flex; align-items: center; justify-content: center;
    font-size: 22px; color: #2b3870;
}
.about-feat-img {
    flex-shrink: 0;
    width: 54px; height: 54px; object-fit: contain;
}
.about-feat-item p {
    font-size: 13.5px; color: #444; line-height: 1.78;
    margin: 0; padding-top: 2px;
}

/* Sub-section (Research Team / Scope / Methodology) */
.about-sub-section { margin-bottom: 36px; }

.about-sub-heading {
    font-size: 20px; font-weight: 700;
    color: #121a42;
    display: inline-block;
    border-bottom: 3px solid #121a42;
    padding-bottom: 8px;
    margin-bottom: 20px;
}
.about-sub-text {
    font-size: 13.5px; color: #555; line-height: 1.85;
}

/* Research Scope — 2 column */
.about-scope-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
    margin-top: 4px;
}
.about-scope-item {
    display: flex; gap: 14px; align-items: flex-start;
    padding: 18px 16px;
    border: 1px solid #dde1ea;
    border-radius: 4px;
    background: #fff;
}
.about-scope-icon {
    flex-shrink: 0;
    width: 44px; height: 44px; border-radius: 50%;
    background: #e8ebf5;
    display: flex; align-items: center; justify-content: center;
    font-size: 20px; color: #2b3870;
}
.about-scope-img {
    flex-shrink: 0;
    width: 50px; height: 50px; object-fit: contain;
}
.about-scope-item p {
    font-size: 13px; color: #444; line-height: 1.75;
    margin: 0; padding-top: 3px;
}

/* Our Clients */
.about-clients-img-wrap { margin-top: 16px; }
.about-clients-img { width: 100%; height: auto; display: block; border-radius: 4px; }

/* Methodology — 3 column */
.about-method-row {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
    margin-top: 4px;
}
.about-method-card {
    padding: 28px 20px 24px;
    border: 1px solid #dde1ea;
    border-radius: 4px;
    background: #fff;
    text-align: center;
}
.about-method-icon {
    width: 60px; height: 60px; border-radius: 50%;
    background: #2b3870; color: #fff; font-size: 26px;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 16px;
}
.about-method-img {
    width: 64px; height: 64px; object-fit: contain;
    margin: 0 auto 16px; display: block;
}
.about-method-card h3 {
    font-size: 14px; font-weight: 700;
    color: #121a42; margin-bottom: 10px;
}
.about-method-card p {
    font-size: 12.5px; color: #555; line-height: 1.78; margin: 0;
}

/* ── Contact ── */
.contact-layout { display: grid; grid-template-columns: 1fr 320px; gap: 16px; }
.contact-form-box { background: var(--white); border: 1px solid var(--border); padding: 24px; }
.contact-form-box h2 {
    font-size: 16px; font-weight: 700; color: #111;
    border-left: 4px solid var(--red); padding-left: 10px; margin-bottom: 4px;
}
.contact-form-box p { font-size: 12px; color: #888; margin-bottom: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 12px; }
.form-group { margin-bottom: 12px; }
.form-label { font-size: 12px; font-weight: 600; color: #444; margin-bottom: 4px; display: block; }
.form-label .req { color: var(--red); }
.form-control {
    width: 100%; padding: 8px 10px;
    border: 1px solid var(--border);
    font-size: 13px; font-family: inherit;
    outline: none; transition: border-color .2s;
    border-radius: 2px;
}
.form-control:focus { border-color: var(--red); }
textarea.form-control { resize: vertical; min-height: 120px; }
.privacy-check { display: flex; align-items: flex-start; gap: 8px; margin-bottom: 16px; }
.privacy-check input { margin-top: 2px; flex-shrink: 0; }
.privacy-check label { font-size: 12px; color: #666; }
.submit-btn {
    background: var(--red); color: white;
    border: none; padding: 10px 32px;
    font-size: 13px; font-weight: 600;
    cursor: pointer; font-family: inherit;
    border-radius: 2px; transition: background .2s;
}
.submit-btn:hover { background: var(--red-dark); }

.contact-info-box { background: var(--navy); color: white; padding: 24px; }
.contact-info-box h3 { font-size: 14px; font-weight: 700; margin-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,.2); padding-bottom: 10px; }
.contact-info-item { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 18px; }
.ci-icon { font-size: 18px; color: rgba(255,255,255,.7); flex-shrink: 0; margin-top: 1px; }
.ci-label { font-size: 11px; color: rgba(255,255,255,.5); margin-bottom: 2px; }
.ci-value { font-size: 13px; color: rgba(255,255,255,.9); }

/* ── Footer ── */
.site-footer {
    background: #0d2080;
    color: rgba(255,255,255,.8);
    margin-top: 30px;
    position: relative;
    overflow: hidden;
}
.footer-top { padding: 28px 0; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 24px; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-logo-img { height: 60px; width: auto; display: block; margin-bottom: 10px; }
.footer-desc { font-size: 12px; line-height: 1.7; color: rgba(255,255,255,.5); }
.footer-heading { font-size: 13px; font-weight: 700; color: white; margin-bottom: 12px; padding-bottom: 6px; border-bottom: 1px solid rgba(255,255,255,.15); }
.footer-links { list-style: none; padding: 0; }
.footer-links li { margin-bottom: 7px; }
.footer-links a { font-size: 12px; color: rgba(255,255,255,.55); transition: color .2s; }
.footer-links a:hover { color: white; }
.footer-bottom { padding: 12px 0; display: flex; justify-content: space-between; align-items: center; }
.footer-bottom small { font-size: 11px; color: rgba(255,255,255,.4); }

/* ── Messages ── */
.alert { padding: 10px 16px; font-size: 13px; border-radius: 3px; margin-bottom: 12px; }
.alert-success { background: #eafaf1; border: 1px solid #a9dfbf; color: #1e8449; }
.alert-error, .alert-danger { background: #fdf2f2; border: 1px solid #f5b7b1; color: #c0392b; }

/* No posts */
.no-posts { text-align: center; padding: 60px 20px; color: #aaa; font-size: 14px; background: var(--white); border: 1px solid var(--border); }
.no-posts i { font-size: 36px; display: block; margin-bottom: 12px; }


/* ── Board type badges ── */
.badge-type {
    display: inline-block;
    font-size: 10px;
    font-weight: 600;
    padding: 2px 7px;
    border-radius: 3px;
    white-space: nowrap;
}
.badge-pr { background: #fff0ef; color: var(--red); border: 1px solid #ffc5c0; }
.badge-report { background: #eef4ff; color: #3b6de8; border: 1px solid #b8ceff; }

/* ── Board: notice badge (공지) ── */
.badge-notice {
    display: inline-block;
    background: var(--red);
    color: white;
    font-size: 10px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 3px;
}

/* ── Featured row highlight ── */
.featured-row { background: #fffdf5 !important; }
.featured-row:hover { background: #fffbea !important; }

/* ── Board type switcher buttons ── */
.board-type-btns { display: flex; gap: 4px; align-self: center; }
.board-type-btn {
    display: inline-block;
    padding: 5px 14px;
    font-size: 12px;
    font-weight: 600;
    border: 1px solid rgba(255,255,255,.3);
    background: transparent;
    color: rgba(255,255,255,.7);
    border-radius: 3px;
    transition: all .2s;
}
.board-type-btn:hover { border-color: white; color: white; }
.board-type-btn.active-pr { background: var(--red); border-color: var(--red); color: white; }
.board-type-btn.active-report { background: #3b6de8; border-color: #3b6de8; color: white; }

/* ── Page subtitle ── */
.page-subtitle { font-size: 12px; color: rgba(255,255,255,.5); margin-top: 3px; }

/* ── Board col-author ── */
.board-table .col-author { color: #666; font-size: 12px; }

/* ── Mini Conference Banner ── */
.mini-banner-wrap {
    width: 100%;
    position: relative;
    overflow: hidden;
    max-height: 208px;
    background: var(--navy);
    margin-top: 10px;
    border-radius: 5px;
    box-shadow: 0 2px 12px rgba(0,0,0,.15);
}
.mini-banner-link {
    display: block;
    position: relative;
    overflow: hidden;
}
.mini-banner-img {
    width: 100%;
    height: 208px;
    object-fit: cover;
    display: block;
    filter: brightness(0.52);
    transition: transform .5s ease;
}
.mini-banner-wrap:hover .mini-banner-img { transform: scale(1.03); }
.mini-banner-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(90deg, rgba(30,36,72,.7) 0%, rgba(30,36,72,.25) 100%);
}
.mini-banner-caption {
    text-align: center;
    color: white;
    padding: 0 20px;
}
.mini-banner-tag {
    display: inline-block;
    background: var(--red);
    color: white;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 2px;
    padding: 3px 10px;
    border-radius: 2px;
    margin-bottom: 12px;
}
.mini-banner-title {
    font-size: 26px;
    font-weight: 700;
    color: white;
    margin-bottom: 8px;
    letter-spacing: -.5px;
    line-height: 1.25;
}
.mini-banner-sub {
    font-size: 13px;
    color: rgba(255,255,255,.8);
    margin-bottom: 16px;
    line-height: 1.5;
}
.mini-banner-btn {
    display: inline-block;
    background: transparent;
    border: 1.5px solid rgba(255,255,255,.7);
    color: white;
    font-size: 12px;
    font-weight: 600;
    padding: 6px 20px;
    border-radius: 2px;
    transition: all .2s;
    cursor: pointer;
}
.mini-banner-wrap:hover .mini-banner-btn {
    background: var(--red);
    border-color: var(--red);
}

/* ── Coverage Areas 3-Card Slider ── */
.coverage-wrap {
    background: #fff;
    padding: 22px 0 14px;
    margin-top: 10px;
}
.coverage-title {
    font-size: 26px;
    font-weight: 700;
    color: #121a42;
    text-align: center;
    margin-bottom: 28px;
    letter-spacing: -.3px;
}
.cov-outer {
    display: flex;
    align-items: center;
    gap: 0;
}
.cov-arrow {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1.5px solid #d0d4e0;
    background: #fff;
    color: #121a42;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background .2s, border-color .2s, color .2s;
    z-index: 20;
    margin: 0 6px;
}
.cov-arrow:hover { background: #121a42; color: #fff; border-color: #121a42; }
.cov-stage-wrap {
    flex: 1;
    overflow: hidden;
    height: 148px;
    position: relative;
    perspective: 900px;
}
.cov-stage {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
}
.cov-card {
    position: absolute;
    width: 28%;
    left: 36%;
    top: 0;
    height: 100%;
    background: #f5f6fa;
    border-radius: 12px;
    display: flex;
    align-items: center;
    padding: 14px 18px;
    gap: 14px;
    opacity: 0;
    pointer-events: none;
    transition: transform .5s cubic-bezier(.25,.46,.45,.94), opacity .5s, box-shadow .5s;
    backface-visibility: hidden;
}
.cov-card.cov-active {
    opacity: 1;
    transform: translateX(0) rotateY(0deg) scale(1);
    z-index: 10;
    pointer-events: auto;
    box-shadow: 0 8px 32px rgba(14,26,74,.18);
}
.cov-card.cov-prev {
    opacity: 0.6;
    transform: translateX(-102%) rotateY(38deg) scale(0.82);
    z-index: 5;
    box-shadow: 0 3px 12px rgba(0,0,0,.10);
}
.cov-card.cov-next {
    opacity: 0.6;
    transform: translateX(102%) rotateY(-38deg) scale(0.82);
    z-index: 5;
    box-shadow: 0 3px 12px rgba(0,0,0,.10);
}
.cov-card.cov-hidden {
    opacity: 0;
    pointer-events: none;
    z-index: 1;
}
.cov-icon {
    font-size: 52px;
    flex-shrink: 0;
    width: 60px;
    text-align: center;
    line-height: 1;
}
.cov-body { flex: 1; min-width: 0; }
.cov-tag {
    display: block;
    font-size: 10px;
    font-weight: 700;
    color: #e05050;
    letter-spacing: .5px;
    margin-bottom: 3px;
}
.cov-card-title {
    display: block;
    font-size: 13px;
    font-weight: 700;
    color: #121a42;
    margin-bottom: 4px;
    line-height: 1.3;
}
.cov-card-desc {
    font-size: 11px;
    color: #555;
    line-height: 1.6;
    margin: 0;
}
.cov-dots {
    display: flex;
    justify-content: center;
    gap: 7px;
    margin-top: 14px;
}
.cov-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #c8ccd8;
    border: none;
    padding: 0;
    cursor: pointer;
    transition: background .2s, transform .2s;
}
.cov-dot.active { background: #1e3bbf; transform: scale(1.25); }

/* ── Why Sigmaintell Section ── */
.why-section {
    background: transparent;
    border: none;
    margin-top: 30px;
    padding: 0;
}
.why-section .content-box {
    padding: 20px 24px 24px;
    margin-bottom: 0;
    border-color: #8fa3c8;
}
.why-heading {
    font-size: 26px;
    font-weight: 700;
    color: #121a42;
    display: inline-block;
    padding-bottom: 8px;
    margin-bottom: 12px;
}
.why-sub {
    font-size: 13.5px;
    color: #555;
    line-height: 1.85;
    margin-bottom: 24px;
}
.why-feat-grid { margin-bottom: 24px; }
.why-feat-title {
    display: block;
    font-size: 14px;
    font-weight: 700;
    color: #121a42;
    margin-bottom: 6px;
}
.about-feat-item p { font-size: 13.5px; color: #444; line-height: 1.78; margin: 0; }
.why-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    background: var(--navy);
    border-radius: 3px;
    padding: 18px 0;
    flex-wrap: wrap;
}
.why-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 6px 32px;
}
.why-stat-num {
    font-size: 22px;
    font-weight: 700;
    color: white;
    line-height: 1;
}
.why-stat-label {
    font-size: 11px;
    color: rgba(255,255,255,.6);
    margin-top: 4px;
}
.why-stat-divider {
    width: 1px;
    height: 32px;
    background: rgba(255,255,255,.2);
}
@media (max-width: 680px) {
    .why-stats { gap: 8px; }
    .why-stat-divider { display: none; }
}

/* ── Home contact form section ── */
.home-contact-section {
    margin-top: 30px;
    background: transparent;
    border: none;
}
.hcf-form {
    background: var(--white);
    border: 1px solid #8fa3c8;
    padding: 16px 18px 14px;
}
.hcf-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    gap: 10px;
    margin-bottom: 10px;
}
.hcf-input {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--border);
    font-size: 12px;
    font-family: inherit;
    outline: none;
    border-radius: 2px;
    transition: border-color .2s;
}
.hcf-input:focus { border-color: var(--red); }
.hcf-textarea {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--border);
    font-size: 12px;
    font-family: inherit;
    outline: none;
    resize: vertical;
    min-height: 80px;
    border-radius: 2px;
    margin-bottom: 10px;
    transition: border-color .2s;
}
.hcf-textarea:focus { border-color: var(--red); }
.hcf-submit {
    background: #0d1a4a;
    color: white;
    border: none;
    padding: 8px 58px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    border-radius: 20px;
    transition: background .2s;
    display: block;
    margin: 0 auto;
}
.hcf-submit:hover { background: #1e3bbf; }
.hcf-success {
    background: #eafaf1;
    border: 1px solid #a9dfbf;
    color: #1e8449;
    padding: 10px 16px;
    font-size: 13px;
    margin: 0 18px 0;
}

/* ── Site Admin Login ── */
.sa-login-wrap {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 420px;
    padding: 40px 0;
}
.sa-login-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 40px 48px;
    width: 100%;
    max-width: 420px;
    text-align: center;
    box-shadow: 0 2px 16px rgba(0,0,0,.07);
}
.sa-login-icon {
    width: 60px; height: 60px;
    background: #f0f4ff;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 18px;
    font-size: 24px;
    color: var(--navy);
}
.sa-login-title { font-size: 20px; font-weight: 700; color: #111; margin-bottom: 6px; }
.sa-login-sub { font-size: 13px; color: #888; margin-bottom: 24px; }
.sa-pw-input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    font-size: 14px;
    font-family: inherit;
    outline: none;
    border-radius: 4px;
    margin-bottom: 10px;
    transition: border-color .2s;
}
.sa-pw-input:focus { border-color: var(--red); }
.sa-pw-btn {
    width: 100%;
    background: var(--red);
    color: white;
    border: none;
    padding: 11px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    border-radius: 4px;
    transition: background .2s;
}
.sa-pw-btn:hover { background: var(--red-dark); }
.sa-error {
    background: #fdf2f2;
    border: 1px solid #f5b7b1;
    color: #c0392b;
    font-size: 13px;
    padding: 8px 12px;
    border-radius: 4px;
    margin-bottom: 12px;
}

/* ── Site Admin Dashboard ── */
.sa-stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-bottom: 24px;
}
.sa-stat-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 18px 16px;
    display: flex;
    align-items: center;
    gap: 14px;
}
.sa-stat-icon {
    width: 48px; height: 48px;
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}
.sa-stat-num { font-size: 24px; font-weight: 700; color: #111; line-height: 1; }
.sa-stat-label { font-size: 12px; color: #888; margin-top: 4px; }

.sa-section-header {
    font-size: 14px;
    font-weight: 700;
    color: var(--navy);
    border-left: 4px solid var(--red);
    padding-left: 10px;
    margin-bottom: 10px;
}

.sa-quick-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 0; }
.sa-qa-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: white;
    border: 1px solid var(--border);
    color: #444;
    padding: 8px 16px;
    font-size: 13px;
    border-radius: 4px;
    font-family: inherit;
    cursor: pointer;
    transition: all .2s;
}
.sa-qa-btn:hover { border-color: var(--red); color: var(--red); }

.sa-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border: 1px solid var(--border);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0;
}
.sa-table thead th {
    background: #f5f5f5;
    border-bottom: 1px solid var(--border);
    padding: 9px 12px;
    font-size: 12px;
    font-weight: 600;
    color: #555;
    text-align: left;
}
.sa-table tbody tr { border-bottom: 1px solid var(--border-light); }
.sa-table tbody tr:last-child { border-bottom: none; }
.sa-table tbody tr:hover { background: #fafafa; }
.sa-table tbody td { padding: 9px 12px; font-size: 13px; color: #444; vertical-align: middle; }
.sa-unread { background: #fffdf5; }
.sa-post-link { color: #333; }
.sa-post-link:hover { color: var(--red); }
.sa-edit-btn {
    display: inline-block;
    background: var(--navy);
    color: white;
    font-size: 11px;
    padding: 3px 10px;
    border-radius: 3px;
    transition: background .2s;
}
.sa-edit-btn:hover { background: var(--red); color: white; }
.sa-action-btn {
    display: inline-block;
    padding: 7px 16px;
    font-size: 12px;
    font-weight: 600;
    border-radius: 4px;
    transition: all .2s;
}
.sa-btn-outline { background: white; border: 1px solid var(--border); color: #444; }
.sa-btn-outline:hover { border-color: var(--navy); color: var(--navy); }
.sa-btn-danger { background: var(--red); color: white; border: 1px solid var(--red); }
.sa-btn-danger:hover { background: var(--red-dark); color: white; }
.sa-btn-primary { background: var(--navy); color: white; border: 1px solid var(--navy); }
.sa-btn-primary:hover { background: var(--red); border-color: var(--red); color: white; }

/* ── Site Admin Nav Tabs ── */
.sa-nav { display: flex; gap: 0; border-bottom: 2px solid var(--border); margin-bottom: 20px; }
.sa-nav-tab { padding: 9px 18px; font-size: 13px; font-weight: 600; color: #666; border-bottom: 2px solid transparent; margin-bottom: -2px; transition: color .15s; }
.sa-nav-tab:hover { color: var(--red); }
.sa-nav-tab.active { color: var(--red); border-bottom-color: var(--red); }

/* ── Site Admin Form ── */
.sa-form-wrap { background: white; border: 1px solid var(--border); border-radius: 3px; padding: 24px; }
.sa-form-group { margin-bottom: 18px; }
.sa-form-label { display: block; font-size: 13px; font-weight: 600; color: #333; margin-bottom: 6px; }
.sa-form-label span { color: var(--red); margin-left: 2px; }
.sa-form-control { width: 100%; padding: 8px 12px; border: 1px solid var(--border); border-radius: 3px; font-size: 13px; font-family: inherit; color: #333; transition: border-color .15s; background: white; }
.sa-form-control:focus { outline: none; border-color: var(--navy); }
select.sa-form-control { height: 36px; cursor: pointer; }
textarea.sa-form-control { resize: vertical; min-height: 80px; }
.sa-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.sa-check-group { display: flex; align-items: center; gap: 8px; padding: 6px 0; }
.sa-check-group input[type=checkbox] { width: 16px; height: 16px; accent-color: var(--red); cursor: pointer; }
.sa-check-group label { font-size: 13px; color: #444; cursor: pointer; }
.sa-form-actions { display: flex; align-items: center; gap: 10px; padding-top: 16px; border-top: 1px solid var(--border-light); margin-top: 6px; }
.sa-primary-btn { background: var(--navy); color: white; border: none; padding: 9px 24px; font-size: 13px; font-weight: 600; border-radius: 3px; cursor: pointer; transition: background .2s; }
.sa-primary-btn:hover { background: var(--red); }
.sa-cancel-btn { display: inline-block; background: white; color: #555; border: 1px solid var(--border); padding: 8px 20px; font-size: 13px; border-radius: 3px; cursor: pointer; text-decoration: none; }
.sa-cancel-btn:hover { border-color: #999; }
.sa-form-error { color: var(--red); font-size: 12px; margin-top: 4px; }

/* ── Site Admin Post List ── */
.sa-filter-bar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; gap: 12px; flex-wrap: wrap; }
.sa-filter-tabs { display: flex; gap: 4px; }
.sa-filter-tab { padding: 6px 14px; font-size: 12px; font-weight: 600; border: 1px solid var(--border); background: white; color: #555; border-radius: 3px; cursor: pointer; text-decoration: none; transition: all .15s; }
.sa-filter-tab:hover { border-color: var(--red); color: var(--red); }
.sa-filter-tab.active { background: var(--navy); border-color: var(--navy); color: white; }
.sa-search-input { padding: 6px 10px; border: 1px solid var(--border); border-radius: 3px 0 0 3px; font-size: 12px; width: 200px; outline: none; }
.sa-search-input:focus { border-color: var(--navy); }
.sa-search-form { display: flex; }
.sa-search-btn { padding: 6px 14px; background: var(--navy); color: white; border: none; border-radius: 0 3px 3px 0; font-size: 12px; cursor: pointer; }
.sa-del-btn { display: inline-block; padding: 3px 8px; font-size: 11px; font-weight: 600; border: 1px solid #ddd; border-radius: 3px; color: #e04840; background: white; cursor: pointer; transition: all .15s; font-family: inherit; }
.sa-del-btn:hover { background: var(--red); color: white; border-color: var(--red); }

/* ── Site Admin Stats ── */
.sa-chart-legend { display: flex; gap: 16px; margin-bottom: 12px; }
.sa-legend-item { display: flex; align-items: center; gap: 5px; font-size: 12px; color: #555; }
.sa-legend-dot { width: 10px; height: 10px; border-radius: 2px; flex-shrink: 0; }

/* ── Responsive ── */
@media (max-width: 900px) {
    .home-grid { grid-template-columns: 1fr; }
    .home-right { order: -1; }
    .contact-layout { grid-template-columns: 1fr; }
    .footer-top { grid-template-columns: 1fr 1fr; }
    .about-feat-grid { grid-template-columns: 1fr; }
    .about-scope-grid { grid-template-columns: 1fr; }
    .about-method-row { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
    .site-header .header-search { display: none; }
    .top-bar .welcome { display: none; }
    .main-nav ul li a { padding: 9px 12px; font-size: 13px; }
    .board-table .col-date, .board-table .col-views { display: none; }
    .detail-header h1 { font-size: 15px; }
    .footer-top { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .about-method-row { grid-template-columns: 1fr; }
    .about-nav-tabs { flex-wrap: wrap; }
    .about-page-title { font-size: 22px; }

    /* ── Mobile: Hero banner ── */
    .hero-img,
    .hero-placeholder {
        height: clamp(180px, 52vw, 280px);
    }

    /* ── Mobile: Coverage slider ── */
    .cov-stage-wrap { height: 160px; perspective: 600px; }
    .cov-card {
        width: 68%;
        left: 16%;
        padding: 12px 14px;
        gap: 10px;
    }
    .cov-card.cov-prev  { transform: translateX(-108%) rotateY(32deg) scale(0.84); }
    .cov-card.cov-next  { transform: translateX(108%)  rotateY(-32deg) scale(0.84); }
    .cov-icon { font-size: 32px; width: 36px; }
    .cov-arrow { width: 28px; height: 28px; font-size: 12px; margin: 0 2px; }

    /* ── Mobile: Contact form ── */
    .hcf-row { grid-template-columns: 1fr 1fr; }
}