/* =======================================================================
   resources.css
======================================================================= */

/* ------------------------------------------------------------
   본문 섹션
------------------------------------------------------------ */
.resources-section {padding: var(--spacing-100) 0; background-color: var(--color-bg-white);}

/* ------------------------------------------------------------
   그룹 (자료 다운로드 / 서비스·외부 링크)
------------------------------------------------------------ */
.resource-group + .resource-group {margin-top: var(--spacing-100);}

.resource-group-head {margin-bottom: var(--spacing-32);}

.resource-group-title {
    margin: 0;
    font-size: var(--font-size-h4);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    line-height: 1.3;
    letter-spacing: -0.015em;
}

.resource-group-note {
    max-width: 52ch;
    margin: var(--spacing-12) 0 0;
    font-size: var(--font-size-ui);
    color: var(--color-text-secondary);
    line-height: var(--line-height-base);
    word-break: keep-all;
}

/* ============================================================
   A. 자료 다운로드
============================================================ */
.resource-card-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--spacing-24);
}

.resource-card-item {display: flex; min-width: 0;}

.resource-card {
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 240px;
    padding: var(--spacing-24);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    background-color: var(--color-bg-white);
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.resource-card-link {
    flex: 1 1 auto;
    width: 100%;
    color: inherit;
    text-decoration: none;
    cursor: pointer;
}
.resource-card-link:hover {border-color: var(--color-primary-10); background-color: var(--color-primary-5);}
.resource-card-link:focus-visible {outline: 2px solid var(--color-primary); outline-offset: 3px;}

.resource-card-top {
    display: flex;
    align-items: stretch;
    gap: var(--spacing-20);
}

.resource-card-body {flex: 1 1 auto; min-width: 0;}

.resource-card-preview {
    flex: 0 0 34%;
    min-width: 88px;
    min-height: 108px;
    border-radius: var(--radius-md);
    background-color: var(--color-bg-gray);
    overflow: hidden;
}

/* [★개발자 수정] Preview 이미지 삽입 시 .resource-card-preview 안에
   <img class="resource-card-preview-img" src="경로" alt=""> 추가. 투명 PNG 사용 가능(배경이 이미 중립 Neutral) */
.resource-card-preview-img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.resource-card-type {
    display: flex;
    align-items: center;
    gap: var(--spacing-12);
    margin: 0 0 var(--spacing-16);
    font-size: var(--font-size-body-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    letter-spacing: 0.01em;
}

.resource-card-type-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 38px;
    height: 38px;
    border-radius: var(--radius-md);
    background-color: var(--color-primary-5);
    color: var(--color-primary);
}
.resource-card-type-icon {width: var(--icon-size-sm); height: var(--icon-size-sm);}

.resource-card-title {
    margin: 0;
    font-size: var(--font-size-h5);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    line-height: var(--line-height-tight);
    letter-spacing: var(--letter-spacing-base);
}

.resource-card-desc {
    margin: var(--spacing-8) 0 0;
    font-size: var(--font-size-body-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-base);
    word-break: keep-all;
}

.resource-card-brand .resource-card-type-badge {background-color: var(--color-primary); color: var(--color-bg-white);}

.resource-circle-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: var(--color-primary-5);
    color: var(--color-primary);
    transition: background-color var(--transition-fast), color var(--transition-fast);
}
.resource-circle-action svg {width: 19px; height: 19px;}

.resource-download-action {
    position: absolute;
    right: var(--spacing-20);
    bottom: var(--spacing-20);
}
.resource-card-link:hover .resource-download-action,
.resource-card-link:focus-visible .resource-download-action {
    background-color: var(--color-primary);
    color: var(--color-bg-white);
}
.resource-download-icon {
    width: var(--icon-size-xs);
    height: var(--icon-size-xs);
    flex-shrink: 0;
}

.resource-card-foot {
    display: flex;
    justify-content: flex-end;
    margin-top: auto;
    padding-top: var(--spacing-24);
}

.resource-download-set {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-8);
}

.resource-download-variant {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 34px;
    min-height: 34px;
    padding: 0 var(--spacing-12);
    border-width: 1px;
    border-style: solid;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: var(--font-size-body-sm);
    font-weight: var(--font-weight-semibold);
    line-height: 1;
    white-space: nowrap;
    cursor: pointer;
    text-decoration: none;
    transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}
.resource-download-variant:hover {
    text-decoration: none;
}
.resource-download-variant:focus-visible {
    text-decoration: none;
}

/* ============================================================
   B. 서비스 · 외부 링크
============================================================ */
.resource-link-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-16);
}

.resource-link-item {display: flex; min-width: 0;}

.resource-link-card {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: var(--spacing-24);
    padding: var(--spacing-24) var(--spacing-32);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    background-color: var(--color-bg-white);
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
}
.resource-link-card:hover {border-color: var(--color-gray-40);}
.resource-link-card-single {
    flex: 1 1 auto;
    width: 100%;
    color: inherit;
    text-decoration: none;
    cursor: pointer;
}
.resource-link-card-single:hover {border-color: var(--color-primary-10); background-color: var(--color-primary-5);}
.resource-link-card-single:focus-visible {outline: 2px solid var(--color-primary); outline-offset: 3px;}
.resource-link-card-single:hover .resource-link-action-single,
.resource-link-card-single:focus-visible .resource-link-action-single {
    background-color: var(--color-primary);
    color: var(--color-bg-white);
}

.resource-link-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background-color: var(--color-primary-5);
    color: var(--color-primary);
}
.resource-link-icon svg {width: 22px; height: 22px;}

.resource-link-body {min-width: 0;}

.resource-link-title {
    margin: 0;
    font-size: var(--font-size-h5);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    line-height: var(--line-height-tight);
    letter-spacing: var(--letter-spacing-base);
}

.resource-link-desc {
    margin: var(--spacing-4) 0 0;
    font-size: var(--font-size-body-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-base);
}

.resource-link-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: var(--spacing-8) var(--spacing-12);
    flex-shrink: 0;
}

.resource-link-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-4);
    height: 34px;
    min-height: 34px;
    padding: 0 var(--spacing-12);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    background-color: var(--color-bg-white);
    color: var(--color-primary);
    font-size: var(--font-size-body-sm);
    font-weight: var(--font-weight-semibold);
    line-height: 1;
    white-space: nowrap;
    text-decoration: none;
    transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}
.resource-link-action-icon {
    width: 15px;
    height: 15px;
    flex-shrink: 0;
}
.resource-link-action:hover {
    background-color: var(--color-primary-5);
    border-color: var(--color-primary);
    color: var(--color-primary-hover);
    text-decoration: none;
}
.resource-link-action:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    text-decoration: none;
}

/* ------------------------------------------------------------
   반응형
------------------------------------------------------------ */

@media (max-width: 1024px) {
    .resources-page-header {padding: var(--spacing-80) 0 var(--spacing-64); text-align: center;}
}

@media (max-width: 768px) {
    .resources-section {padding: var(--spacing-80) 0;}

    .resource-group + .resource-group {margin-top: var(--spacing-80);}

    .resource-card-grid {grid-template-columns: minmax(0, 1fr);}
    .resource-card-preview {max-width: 220px;}

    .resource-link-card {padding: var(--spacing-20) var(--spacing-24);}
}

@media (max-width: 480px) {
    .resources-page-header {padding: var(--spacing-40) 0 var(--spacing-32);}

    .resource-group-head {margin-bottom: var(--spacing-24);}

    .resource-card {min-height: 0; padding: var(--spacing-20);}
    .resource-card-top {flex-direction: column; align-items: stretch;}
    .resource-card-preview {display: none;}
    .resource-download-action {
        position: static;
        align-self: flex-end;
        margin-top: var(--spacing-16);
    }
    .resource-circle-action {width: 40px; height: 40px;}
    .resource-circle-action svg {width: var(--icon-size-sm); height: var(--icon-size-sm);}
    .resource-card-foot {padding-top: var(--spacing-16);}

    .resource-link-card {
        grid-template-columns: auto minmax(0, 1fr);
        grid-template-areas: "icon body" "actions actions";
        row-gap: var(--spacing-12);
        column-gap: var(--spacing-16);
        align-items: start;
        padding: var(--spacing-16) var(--spacing-20);
    }
    .resource-link-icon {grid-area: icon;}
    .resource-link-body {grid-area: body;}
    .resource-link-actions {
        grid-area: actions;
        justify-content: flex-end;
        gap: var(--spacing-8) var(--spacing-12);
    }
    .resource-link-action-single {grid-area: actions; justify-self: end;}
}