/* Purpose: 자료실(resources.php) 전용 — 용도별 자료 카드·한/영 PDF 버튼. 공통 머리·히어로·바닥은 history.css */

.res-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem 6rem;
}

.res-head {
    margin-bottom: 2rem;
}

.res-eyebrow {
    color: var(--accent-cyan);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 0.4rem;
}

.res-head h2 {
    font-size: 1.8rem;
    font-weight: 700;
}

.res-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
}

.res-card {
    display: grid;
    grid-template-columns: 170px minmax(0, 1fr);
    gap: 1.4rem;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 14px;
    padding: 1.4rem;
    word-break: keep-all;
    transition: border-color 0.3s ease, transform 0.3s ease;
}

.res-card:hover {
    border-color: rgba(0, 212, 255, 0.45);
    transform: translateY(-3px);
}

.res-catalog {
    grid-column: 1 / -1;
    grid-template-columns: 220px minmax(0, 1fr);
}

.res-thumb {
    display: block;
    align-self: start;
    border-radius: 8px;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.45);
}

.res-thumb img {
    display: block;
    width: 100%;
    height: auto;
}

.res-mindmap .res-thumb {
    align-self: center;
}

.res-use {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    background: var(--gradient-2);
    border: 1px solid rgba(0, 212, 255, 0.25);
    color: var(--accent-cyan);
    border-radius: 50px;
    padding: 0.3rem 0.85rem;
    font-size: 0.78rem;
    font-weight: 600;
}

.res-body h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin: 0.8rem 0 0.5rem;
}

.res-desc {
    color: #C5D0DE;
    font-size: 0.95rem;
    line-height: 1.65;
}

.res-spec {
    color: var(--text-gray);
    font-size: 0.82rem;
    margin-top: 0.6rem;
}

.res-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-top: 1.1rem;
}

.res-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.6rem 1rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: var(--text-white);
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 600;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.res-btn small {
    color: var(--text-gray);
    font-weight: 500;
}

.res-btn:hover {
    border-color: var(--accent-cyan);
}

.res-btn.is-current {
    background: var(--gradient-1);
    border-color: transparent;
}

.res-btn.is-current small {
    color: rgba(255, 255, 255, 0.8);
}

.res-note {
    margin-top: 2rem;
    color: var(--text-gray);
    font-size: 0.9rem;
}

.res-note a {
    color: var(--accent-cyan);
}

@media (max-width: 960px) {
    .res-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 560px) {
    .res-card,
    .res-catalog {
        grid-template-columns: 1fr;
    }

    .res-thumb {
        max-width: 240px;
    }
}