:root {
    --primary: #4f46e5 !important;
    --primary-light: #818cf8 !important;
    --primary-dark: #3730a3 !important;
    --accent: #f59e0b !important;
    --dark: #e8edf5 !important;
    --surface: #ffffff !important;
    --surface2: #f1f5f9 !important;
    --text: #1e293b !important;
    --text-muted: #64748b !important;
    --border: rgba(79, 70, 229, 0.15) !important;
    --glow: rgba(79, 70, 229, 0.22) !important;
    --radius: 16px !important;
}

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

html {
    scroll-behavior: smooth !important;
    font-size: 15px !important;
}

body {
    font-family: 'Noto Sans KR', sans-serif !important;
    background: var(--dark) !important;
    background-color: #e8edf5 !important;
    color: var(--text) !important;
    color: #1e293b !important;
    line-height: 1.8 !important;
    overflow-x: hidden !important;
    font-size: 1.1em !important;
}

/* ── HERO ── */
header {
    position: relative !important;
    overflow: hidden !important;
    background: linear-gradient(135deg, #eef2ff 0%, #e0e7ff 50%, #eef2ff 100%) !important;
    padding: 5rem 1.5rem 4rem !important;
    text-align: center !important;
    border-bottom: 1px solid var(--border) !important;
}

header::before {
    content: '' !important;
    position: absolute !important;
    inset: 0 !important;
    background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(79, 70, 229, 0.12) 0%, transparent 70%) !important;
    pointer-events: none !important;
}

.header-badge {
    display: inline-flex !important;
    align-items: center !important;
    gap: 0.5rem !important;
    background: rgba(79, 70, 229, 0.1) !important;
    border: 1px solid var(--border) !important;
    border-radius: 999px !important;
    padding: 0.35rem 1rem !important;
    font-size: 0.82rem !important;
    color: var(--primary-dark) !important;
    color: #3730a3 !important;
    margin-bottom: 1.4rem !important;
    letter-spacing: 0.04em !important;
}

header h1 {
    font-size: clamp(2rem, 5vw, 3.2rem) !important;
    font-weight: 900 !important;
    background: linear-gradient(135deg, #1e293b 20%, var(--primary) 100%) !important;
    background: linear-gradient(135deg, #1e293b 20%, #4f46e5 100%) !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
    margin-bottom: 0.8rem !important;
    letter-spacing: -0.02em !important;
}

header .sub {
    font-size: 1.08rem !important;
    color: var(--text-muted) !important;
    color: #64748b !important;
    max-width: 560px !important;
    margin: 0 auto 2rem !important;
}

.stats-bar {
    display: flex !important;
    justify-content: center !important;
    flex-wrap: wrap !important;
    gap: 2rem !important;
    margin-top: 2rem !important;
}

.stat-item {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    gap: 0.2rem !important;
}

.stat-num {
    font-size: 1.6rem !important;
    font-weight: 900 !important;
    color: var(--primary-dark) !important;
    color: #3730a3 !important;
}

.stat-label {
    font-size: 0.78rem !important;
    color: var(--text-muted) !important;
    color: #64748b !important;
    letter-spacing: 0.05em !important;
}

/* ── 공식 사이트 3D 버튼 ── */
.official-cta-wrap {
    text-align: center !important;
    padding: 2.5rem 1.5rem 1rem !important;
    position: relative !important;
    z-index: 2 !important;
}

.official-cta-wrap--hero {
    padding: 1.8rem 1.5rem 0 !important;
    margin-top: 0.5rem !important;
}

.btn-official-3d {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 0.6rem !important;
    padding: 1rem 2.6rem !important;
    font-size: 1.05rem !important;
    font-weight: 800 !important;
    font-family: 'Noto Sans KR', sans-serif !important;
    color: #ffffff !important;
    text-decoration: none !important;
    letter-spacing: -0.01em !important;
    border-radius: 14px !important;
    border: none !important;
    cursor: pointer !important;
    position: relative !important;
    background: linear-gradient(180deg, #6366f1 0%, #4f46e5 45%, #3730a3 100%) !important;
    box-shadow:
        0 1px 0 rgba(255, 255, 255, 0.35) inset,
        0 6px 0 #312e81,
        0 10px 20px rgba(79, 70, 229, 0.45),
        0 20px 40px rgba(55, 48, 163, 0.2) !important;
    transform: translateY(0) !important;
    transition: transform 0.15s ease, box-shadow 0.15s ease !important;
}

.btn-official-3d:hover {
    transform: translateY(-2px) !important;
    box-shadow:
        0 1px 0 rgba(255, 255, 255, 0.4) inset,
        0 8px 0 #312e81,
        0 14px 28px rgba(79, 70, 229, 0.5),
        0 24px 48px rgba(55, 48, 163, 0.25) !important;
    color: #ffffff !important;
}

.btn-official-3d:active {
    transform: translateY(4px) !important;
    box-shadow:
        0 1px 0 rgba(255, 255, 255, 0.2) inset,
        0 2px 0 #312e81,
        0 4px 12px rgba(79, 70, 229, 0.35) !important;
}

.btn-official-3d svg {
    flex-shrink: 0 !important;
}

.official-cta-sub {
    display: block !important;
    margin-top: 0.85rem !important;
    font-size: 0.82rem !important;
    color: #64748b !important;
}

/* ── SVG DECO WAVE ── */
.wave-sep {
    display: block !important;
    width: 100% !important;
    line-height: 0 !important;
    margin-top: -1px !important;
}

/* ── LAYOUT ── */
.container {
    max-width: 1200px !important;
    margin: 0 auto !important;
    padding: 2.5rem 20px 0 !important;
    position: relative !important;
}

/* ── SECTION CARD ── */
.card {
    background: var(--surface) !important;
    background-color: #ffffff !important;
    border: 1px solid var(--border) !important;
    border-radius: var(--radius) !important;
    padding: 2.2rem !important;
    margin-bottom: 2rem !important;
    position: relative !important;
    overflow: hidden !important;
    transition: box-shadow 0.3s !important;
    box-shadow: 0 2px 12px rgba(30, 41, 59, 0.06) !important;
}

.card::before {
    content: '' !important;
    position: absolute !important;
    top: -60px !important;
    right: -60px !important;
    width: 200px !important;
    height: 200px !important;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.08) 0%, transparent 70%) !important;
    pointer-events: none !important;
}

.card:hover {
    box-shadow: 0 8px 32px var(--glow) !important;
}

.card-icon {
    width: 46px !important;
    height: 46px !important;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark)) !important;
    background: linear-gradient(135deg, #4f46e5, #3730a3) !important;
    border-radius: 12px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    margin-bottom: 1.2rem !important;
    box-shadow: 0 4px 14px var(--glow) !important;
}

.card-icon svg {
    width: 24px !important;
    height: 24px !important;
    fill: none !important;
    stroke: #fff !important;
    stroke-width: 2 !important;
    stroke-linecap: round !important;
    stroke-linejoin: round !important;
}

.card h2 {
    font-size: 1.45rem !important;
    font-weight: 700 !important;
    color: #1e293b !important;
    margin-bottom: 1rem !important;
    line-height: 1.35 !important;
}

.card h3 {
    font-size: 1.1rem !important;
    font-weight: 700 !important;
    color: #3730a3 !important;
    margin: 1.4rem 0 0.7rem !important;
    line-height: 1.4 !important;
}

.card p {
    font-size: 0.97rem !important;
    color: var(--text) !important;
    color: #334155 !important;
    margin-bottom: 0.9rem !important;
    line-height: 1.85 !important;
}

.card p:last-child {
    margin-bottom: 0 !important;
}

/* ── HIGHLIGHT BOX ── */
.hbox {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.08), rgba(55, 48, 163, 0.04)) !important;
    border-left: 3px solid var(--primary-light) !important;
    border-left-color: #818cf8 !important;
    border-radius: 0 10px 10px 0 !important;
    padding: 1.1rem 1.3rem !important;
    margin: 1.2rem 0 !important;
    font-size: 0.95rem !important;
    color: #334155 !important;
}

.hbox strong {
    color: var(--primary-dark) !important;
    color: #3730a3 !important;
}

/* ── CHECKLIST ── */
.checklist {
    list-style: none !important;
    margin-top: 1rem !important;
}

.checklist li {
    display: flex !important;
    align-items: flex-start !important;
    gap: 0.75rem !important;
    padding: 0.6rem 0 !important;
    border-bottom: 1px solid rgba(79, 70, 229, 0.07) !important;
    font-size: 0.95rem !important;
    line-height: 1.6 !important;
    color: #334155 !important;
}

.checklist li:last-child {
    border-bottom: none !important;
}

.check-icon {
    flex-shrink: 0 !important;
    margin-top: 2px !important;
}

/* ── WARNING BOX ── */
.wbox {
    background: rgba(245, 158, 11, 0.08) !important;
    border: 1px solid rgba(245, 158, 11, 0.25) !important;
    border-radius: 10px !important;
    padding: 1.1rem 1.3rem !important;
    margin: 1.2rem 0 !important;
    display: flex !important;
    gap: 0.9rem !important;
    align-items: flex-start !important;
}

.wbox svg {
    flex-shrink: 0 !important;
    margin-top: 2px !important;
}

.wbox p {
    margin: 0 !important;
    font-size: 0.93rem !important;
    color: #b45309 !important;
}

/* ── GRADE GRID ── */
.grade-grid {
    display: grid !important;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)) !important;
    gap: 1rem !important;
    margin-top: 1.2rem !important;
}

.grade-card {
    background: var(--surface2) !important;
    background-color: #f1f5f9 !important;
    border: 1px solid var(--border) !important;
    border-radius: 12px !important;
    padding: 1.1rem !important;
    text-align: center !important;
}

.grade-label {
    font-size: 1.5rem !important;
    font-weight: 900 !important;
    background: linear-gradient(135deg, #1e293b, var(--primary-light)) !important;
    background: linear-gradient(135deg, #1e293b, #818cf8) !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
}

.grade-name {
    font-size: 0.78rem !important;
    color: var(--text-muted) !important;
    color: #64748b !important;
    margin-top: 0.2rem !important;
}

.grade-desc {
    font-size: 0.82rem !important;
    color: #334155 !important;
    margin-top: 0.5rem !important;
    line-height: 1.5 !important;
}

/* ── TERM TABLE ── */
.term-table-wrap {
    overflow-x: auto !important;
    margin: 1.2rem 0 !important;
    -webkit-overflow-scrolling: touch !important;
}

.term-table {
    width: 100% !important;
    border-collapse: collapse !important;
    font-size: 0.9rem !important;
    table-layout: fixed !important;
}

.term-table th {
    text-align: left !important;
    padding: 0.7rem 1rem !important;
    background: rgba(79, 70, 229, 0.1) !important;
    color: #3730a3 !important;
    font-size: 0.83rem !important;
    letter-spacing: 0.04em !important;
    border-bottom: 1px solid var(--border) !important;
    word-break: keep-all !important;
}

.term-table th:nth-child(1) {
    width: 18% !important;
}

.term-table th:nth-child(2),
.term-table th:nth-child(3) {
    width: 41% !important;
}

.term-table td {
    padding: 0.75rem 1rem !important;
    font-size: 0.93rem !important;
    color: #334155 !important;
    border-bottom: 1px solid rgba(79, 70, 229, 0.08) !important;
    vertical-align: top !important;
    word-break: keep-all !important;
    overflow-wrap: break-word !important;
    line-height: 1.75 !important;
}

.term-table td:first-child {
    white-space: nowrap !important;
    word-break: keep-all !important;
}

.term-table tr:last-child td {
    border-bottom: none !important;
}

@media (max-width: 640px) {
    .term-table-wrap {
        overflow-x: visible !important;
        margin: 1rem 0 !important;
    }

    .term-table {
        table-layout: auto !important;
    }

    .term-table thead {
        display: none !important;
    }

    .term-table,
    .term-table tbody,
    .term-table tr,
    .term-table td {
        display: block !important;
        width: 100% !important;
    }

    .term-table tr {
        margin-bottom: 1rem !important;
        border: 1px solid rgba(79, 70, 229, 0.15) !important;
        border-radius: 12px !important;
        background: #f8fafc !important;
        overflow: hidden !important;
    }

    .term-table tr:last-child {
        margin-bottom: 0 !important;
    }

    .term-table td {
        padding: 0.85rem 1rem !important;
        border-bottom: 1px solid rgba(79, 70, 229, 0.08) !important;
        white-space: normal !important;
        font-size: 0.92rem !important;
        line-height: 1.8 !important;
    }

    .term-table td:first-child {
        background: rgba(79, 70, 229, 0.1) !important;
        color: #3730a3 !important;
        font-size: 1rem !important;
        font-weight: 700 !important;
        padding: 0.9rem 1rem !important;
        white-space: normal !important;
    }

    .term-table td:not(:first-child)::before {
        content: attr(data-label) !important;
        display: block !important;
        font-size: 0.72rem !important;
        font-weight: 700 !important;
        color: #6366f1 !important;
        margin-bottom: 0.4rem !important;
        letter-spacing: 0.04em !important;
    }

    .term-table tr:last-child td:last-child {
        border-bottom: none !important;
    }
}

/* ── FAQ ── */
.faq-item {
    border: 1px solid var(--border) !important;
    border-radius: 12px !important;
    margin-bottom: 0.9rem !important;
    overflow: hidden !important;
    transition: border-color 0.3s !important;
    background: #ffffff !important;
}

.faq-item:hover {
    border-color: var(--primary-light) !important;
    border-color: #818cf8 !important;
}

.faq-q {
    width: 100% !important;
    background: none !important;
    border: none !important;
    color: #1e293b !important;
    text-align: left !important;
    padding: 1.15rem 1.3rem !important;
    display: flex !important;
    align-items: center !important;
    gap: 0.9rem !important;
    cursor: pointer !important;
    font-size: 0.97rem !important;
    font-weight: 500 !important;
    font-family: 'Noto Sans KR', sans-serif !important;
}

.faq-q .q-badge {
    flex-shrink: 0 !important;
    width: 28px !important;
    height: 28px !important;
    border-radius: 50% !important;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark)) !important;
    background: linear-gradient(135deg, #4f46e5, #3730a3) !important;
    color: #fff !important;
    font-weight: 700 !important;
    font-size: 0.82rem !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

.faq-q .arrow {
    margin-left: auto !important;
    flex-shrink: 0 !important;
    transition: transform 0.3s !important;
}

.faq-q.open .arrow {
    transform: rotate(180deg) !important;
}

.faq-a {
    display: none !important;
    padding: 0 1.3rem 1.15rem 1.3rem !important;
    font-size: 0.93rem !important;
    color: var(--text-muted) !important;
    color: #64748b !important;
    line-height: 1.8 !important;
    border-top: 1px solid var(--border) !important;
    padding-top: 1rem !important;
}

.faq-a.open {
    display: block !important;
}

/* ── FOOTER THUMBNAILS ── */
.footer-thumb-wrap {
    display: flex !important;
    justify-content: center !important;
    gap: 20px !important;
    padding: 2rem 20px 1rem !important;
    flex-wrap: wrap !important;
}

.footer-thumb-img {
    width: 425px !important;
    height: 250px !important;
    max-width: 100% !important;
    object-fit: cover !important;
    border-radius: 12px !important;
    display: block !important;
    border: 1px solid rgba(79, 70, 229, 0.12) !important;
    background: #f1f5f9 !important;
    box-shadow: 0 4px 16px rgba(30, 41, 59, 0.08) !important;
}

@media (max-width: 640px) {
    .footer-thumb-img {
        width: 425px !important;
        height: 250px !important;
    }
}

/* ── FOOTER ── */
footer {
    text-align: center !important;
    padding: 3rem 1rem 2.5rem !important;
    border-top: 1px solid var(--border) !important;
    margin-top: 1rem !important;
    position: relative !important;
    overflow: hidden !important;
    background: linear-gradient(180deg, #1e3a5f 0%, #0f2744 100%) !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
}

.footer-icon-wrap {
    width: 100% !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    margin: 0 auto 0.8rem !important;
}

.footer-icon {
    display: block !important;
    margin: 0 auto !important;
}

footer::before {
    content: '' !important;
    position: absolute !important;
    inset: 0 !important;
    background: radial-gradient(ellipse 60% 80% at 50% 100%, rgba(56, 189, 248, 0.1) 0%, transparent 70%) !important;
    pointer-events: none !important;
}

.footer-logo {
    font-size: 1.4rem !important;
    font-weight: 900 !important;
    color: #ffffff !important;
    margin-bottom: 0.5rem !important;
    position: relative !important;
    z-index: 1 !important;
    width: 100% !important;
    text-align: center !important;
}

.footer-sub {
    font-size: 0.85rem !important;
    color: #94a3b8 !important;
    position: relative !important;
    z-index: 1 !important;
    line-height: 1.7 !important;
    width: 100% !important;
    max-width: 720px !important;
    text-align: center !important;
    margin-left: auto !important;
    margin-right: auto !important;
}

/* ── HERO INTRO BLOCK ── */
.hero-intro-block {
    text-align: center !important;
    padding: 2.5rem 1.5rem 0.5rem !important;
}

.hero-intro-block h2 {
    font-size: clamp(1.4rem, 3vw, 2rem) !important;
    font-weight: 800 !important;
    color: #1e293b !important;
    margin-bottom: 0.75rem !important;
    letter-spacing: -0.02em !important;
}

.hero-intro-block p {
    font-size: 0.97rem !important;
    color: #64748b !important;
    max-width: 560px !important;
    margin: 0 auto !important;
    line-height: 1.75 !important;
}

.hero-img-row {
    display: flex !important;
    justify-content: center !important;
    gap: 20px !important;
    padding: 40px 20px !important;
    flex-wrap: wrap !important;
}

/* ── HERO BOTTOM IMAGES (수정 금지) ── */
.hero-bottom-img {
    width: 600px;
    max-width: 100%;
    height: auto;
    object-fit: cover;
    border-radius: 12px;
    display: block;
}

@media(max-width: 640px) {
    .hero-bottom-img {
        width: 100%;
        height: auto;
    }
}

/* ── MOBILE ONLY BR ── */
br.mo {
    display: none !important;
}

@media(max-width: 640px) {
    br.mo {
        display: block !important;
    }
}

/* ── RESPONSIVE ── */
@media(max-width:640px) {
    header {
        padding: 3.5rem 1rem 2.5rem !important;
    }

    .stats-bar {
        gap: 1.2rem !important;
    }

    .card {
        padding: 1.5rem !important;
    }

    .btn-official-3d {
        padding: 0.9rem 2rem !important;
        font-size: 0.97rem !important;
    }

    .card p,
    .card h3,
    .hbox,
    .wbox p,
    .checklist li,
    .dual-card .desc,
    .faq-a,
    .faq-q {
        word-break: keep-all !important;
        overflow-wrap: break-word !important;
    }

    .card h2 {
        font-size: 1.25rem !important;
        word-break: keep-all !important;
    }
}

/* ── FULL WIDTH SECTIONS ── */
header,
footer,
.wave-sep {
    width: 100vw !important;
    position: relative !important;
    left: 50% !important;
    right: 50% !important;
    margin-left: -50vw !important;
    margin-right: -50vw !important;
}

/* ── DUAL COLUMN GRID ── */
.dual-grid {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 1rem !important;
    margin: 1.2rem 0 !important;
}

@media(max-width:640px) {
    .dual-grid {
        grid-template-columns: 1fr !important;
    }
}

.dual-card {
    background: rgba(79, 70, 229, 0.05) !important;
    border: 1px solid var(--border) !important;
    border-radius: 10px !important;
    padding: 1rem 1.1rem !important;
}

.dual-card .label {
    font-size: 0.78rem !important;
    color: #3730a3 !important;
    font-weight: 700 !important;
    margin-bottom: 0.3rem !important;
    letter-spacing: 0.04em !important;
}

.dual-card .desc {
    font-size: 0.88rem !important;
    color: #334155 !important;
    line-height: 1.6 !important;
}