/*
 * 칼럼 리뉴얼(2026-07-19, 시안 wireframes-column-renewal 03/04) — 목록(/article/) + 단일(post) 공용.
 * 공용 블록(.dl-hero/.dl-cta/.dl-card-grid 기본)은 repub-common.css — 여기는 차분·신규만.
 * 구 pages/article.css + pages/col-single.css 대체.
 */

/* ═══ 목록: 히어로 차분(서브카피·패딩) ═══ */
.dl-article-list .dl-hero { padding: 100px 15px 60px; }
.dl-hero-sub { margin: 0; font-size: 19px; color: #767676; }

/* ═══ 목록: 카테고리 필터 (JS 탭 — 택소노미 아카이브 없음) ═══ */
.col-filter-wrap { padding: 0 15px; }
.col-filter { max-width: 1280px; margin: 0 auto; display: flex; align-items: baseline; gap: 32px; border-bottom: 2px solid #212121; }
.col-filter button { padding: 10px 0 14px; font-size: 16px; font-weight: 600; color: #999; position: relative; background: transparent; border: 0; cursor: pointer; font-family: inherit; letter-spacing: inherit; }
.col-filter button:hover, .col-filter button:focus { color: #212121; background: transparent; } /* hello button 기본색 리셋(hover 자주색 함정) */
.col-filter button.on { color: #212121; } /* 활성 = 텍스트 대비만(밑줄 포인트컬러 제거 — 대표님 조정 2026-07-19, 바가 블랙이라 블랙 밑줄=비표시와 동일) */
.col-filter .count { margin-left: auto; font-size: 14px; color: #A5A5A5; }

/* ═══ 목록: 리스트·그리드 차분 ═══ */
.dl-article-list .dl-list { padding: 50px 15px 120px; }
.dl-article-list .dl-card-grid { gap: 56px 40px; }

/* ═══ 칼럼 카드 + 브랜디드 썸네일 (목록·관련 공용) ═══ */
a.col-card { display: block; color: inherit; }
.col-card .cat { margin: 18px 0 8px; font-size: 13.5px; font-weight: 700; color: #1B62ED; }
.col-card h3 { margin: 0; font-size: 20px; font-weight: 700; line-height: 1.45; color: #212121; transition: color .2s; }
.col-card:hover h3 { color: #1B62ED; }
.col-card .exc { margin: 10px 0 0; font-size: 15px; line-height: 1.65; color: #767676; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.col-card .date { margin-top: 12px; font-size: 13px; color: #A5A5A5; }

.thumb { aspect-ratio: 16/10; border-radius: 16px; position: relative; overflow: hidden; padding: 26px 28px; display: flex; flex-direction: column; transition: transform .25s; }
.col-card:hover .thumb { transform: translateY(-4px); }
.thumb-brand { font-size: 12px; font-weight: 700; letter-spacing: .08em; opacity: .55; }
.thumb-title { margin-top: auto; font-size: 27px; font-weight: 800; line-height: 1.3; max-width: 82%; position: relative; z-index: 1; }
.thumb-icon { position: absolute; right: 26px; bottom: 24px; width: 44px; height: 44px; opacity: .9; }
.thumb-deco { position: absolute; right: -60px; top: -70px; width: 210px; height: 210px; border-radius: 50%; }
/* 컬러 변주 3종 */
.thumb--navy { background: linear-gradient(135deg, #0F1E3D 0%, #17306B 100%); color: #fff; }
.thumb--navy .thumb-deco { background: rgba(27, 98, 237, .25); }
.thumb--navy .thumb-icon { color: #7DA8F8; }
.thumb--tint { background: linear-gradient(135deg, #EAF1FE 0%, #DCE9FD 100%); color: #0F1E3D; }
.thumb--tint .thumb-deco { background: rgba(27, 98, 237, .1); }
.thumb--tint .thumb-icon { color: #1B62ED; }
.thumb--blue { background: linear-gradient(135deg, #1B62ED 0%, #1440A6 100%); color: #fff; }
.thumb--blue .thumb-deco { background: rgba(255, 255, 255, .12); }
.thumb--blue .thumb-icon { color: #fff; }

/* ═══ 단일: 글 헤드 ═══ */
.dl-column-single .article-inner { max-width: 830px; margin: 0 auto; padding: 0 15px; }
.dl-column-single .article-head { padding: 56px 0 0; }
.dl-column-single .crumb { font-size: 13.5px; color: #A5A5A5; margin: 0 0 40px; display: flex; gap: 8px; flex-wrap: wrap; }
.dl-column-single .crumb a { color: inherit; }
.dl-column-single .crumb a:hover { color: #1B62ED; }
.dl-column-single .crumb .cur { color: #555; font-weight: 600; }
.dl-column-single .head-chip { display: inline-block; background: rgba(16, 117, 251, 0.07); color: #1B62ED; font-size: 14px; font-weight: 700; padding: 6px 16px; border-radius: 6px; margin-bottom: 20px; }
.dl-column-single h1.article-title { margin: 0; font-size: 40px; font-weight: 700; line-height: 1.35; color: #212121; }
.dl-column-single .head-sub { margin: 16px 0 0; font-size: 18.5px; color: #767676; line-height: 1.6; }
.dl-column-single .head-meta { display: flex; align-items: center; gap: 8px 18px; flex-wrap: wrap; margin-top: 24px; font-size: 14.5px; color: #888; }
.dl-column-single .head-meta .author b { color: #444; }
.dl-column-single .head-meta .divider { width: 1px; height: 12px; background: #ddd; }
.dl-column-single .head-rule { border: 0; border-top: 3px solid #212121; margin: 28px 0 0; background: transparent; height: auto; }

/* ═══ 단일: 본문 상단 브랜디드 썸네일 (목록 카드 확대판 — 실사 피처드 대체) ═══ */
.dl-column-single .featured { margin: 40px 0 8px; padding: 0; }
.dl-column-single .featured img { width: 100%; height: auto; border-radius: 20px; display: block; }
.thumb--hero { aspect-ratio: 2/1; border-radius: 20px; padding: 32px 40px; }
.thumb--hero .thumb-brand { font-size: 13px; }
.thumb--hero .thumb-title { font-size: 38px; max-width: 85%; }
.thumb--hero .thumb-icon { width: 60px; height: 60px; right: 36px; bottom: 32px; }
.thumb--hero .thumb-deco { width: 300px; height: 300px; right: -80px; top: -100px; }

/* ═══ 단일: 본문 ═══ */
.dl-column-single .post-content { padding: 28px 0 8px; font-size: 17px; line-height: 1.85; color: #212121; }
.dl-column-single .post-content p { margin: 0; padding: 6px 0; }
.dl-column-single .post-content h2 { margin: 0; padding: 30px 0 6px; font-size: 26px; line-height: 1.4; font-weight: 700; }
.dl-column-single .post-content h3 { margin: 0; padding: 18px 0 4px; font-size: 20px; font-weight: 700; }
.dl-column-single .post-content h4 { margin: 0; padding: 14px 0 4px; font-size: 18px; font-weight: 700; }
.dl-column-single .post-content strong, .dl-column-single .post-content b { font-weight: 700; } /* 헤딩 안 strong의 bolder 승격 방지(대표님 피드백) */
.dl-column-single .post-content figure { margin: 0; padding: 12px 0; }
.dl-column-single .post-content figure img { border-radius: 12px; }
.dl-column-single .post-content a { color: #1B62ED; text-decoration: underline; text-underline-offset: 3px; }
.dl-column-single .post-content hr { border: 0; height: 1px; background: #E2E6EE; margin: 20px 0; }
.dl-column-single .post-content em { font-style: normal; color: #767676; }
.dl-column-single .post-content ul, .dl-column-single .post-content ol { padding: 6px 0 6px 24px; }
.dl-column-single .post-content li { padding: 3px 0; }
.dl-column-single .post-content blockquote { margin: 4px 0 12px; padding: 20px 26px; background: #F5F7FB; border-left: 3px solid #1B62ED; border-radius: 0 12px 12px 0; }
.dl-column-single .post-content blockquote p { padding: 4px 0; }
.dl-column-single .post-content .schema-faq-section { margin: 14px 0; padding: 18px 22px; background: #F8F9FC; border-radius: 12px; display: block; }
.dl-column-single .post-content .schema-faq-question { display: block; margin-bottom: 6px; font-weight: 700; }
.dl-column-single .post-content .schema-faq-answer { padding: 0; color: #555; }

/* ═══ 단일: 확장 저자 블록 ═══ */
.author-ext { display: flex; gap: 24px; align-items: flex-start; border-top: 1px solid rgba(0, 0, 0, 0.082); margin-top: 48px; padding: 36px 0 8px; }
.author-ext .avatar { width: 68px; height: 68px; border-radius: 50%; background: linear-gradient(135deg, #1B62ED, #17306B); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 22px; font-weight: 800; flex: none; letter-spacing: 0; }
.author-ext .info b.name { font-size: 18px; color: #212121; }
.author-ext .info .name-en { font-weight: 600; color: #999; font-size: 14px; }
.author-ext .info .role { color: #888; font-size: 14px; margin: 4px 0 12px; }
.author-ext .info p { margin: 0; font-size: 15px; color: #767676; line-height: 1.7; }
.author-ext .links { margin-top: 16px; display: flex; gap: 10px; }
.author-ext .links a { font-size: 14px; font-weight: 700; padding: 9px 20px; border-radius: 7px; }
.author-ext .links a.lk-outline { border: 1px solid #ddd; color: #333; }
.author-ext .links a.lk-outline:hover { border-color: #1B62ED; color: #1B62ED; }
.author-ext .links a.lk-fill { background: #1B62ED; border: 1px solid #1B62ED; color: #fff; }

/* ═══ 단일: CTA 차분 (공용 .dl-cta 재사용, 여백만) ═══ */
.dl-column-single .dl-cta-wrap { margin: 56px 0 0; padding: 0 15px 22px; }

/* ═══ 단일: 관련 칼럼 (축소 카드) ═══ */
.related { max-width: 1280px; margin: 0 auto; padding: 90px 15px 120px; }
.related > h2 { margin: 0 0 32px; font-size: 28px; font-weight: 700; color: #212121; }
.rel-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.related .col-card .cat { margin: 16px 0 8px; font-size: 13px; }
.related .col-card h3 { font-size: 18px; }
.related .col-card .date { margin-top: 10px; }
.related .thumb { padding: 22px 24px; }
.related .thumb-brand { font-size: 11px; }
.related .thumb-title { font-size: 22px; max-width: 85%; }
.related .thumb-icon { right: 22px; bottom: 20px; width: 36px; height: 36px; }
.related .thumb-deco { width: 180px; height: 180px; }

/* ═══ 반응형 ═══ */
@media (max-width: 1024px) {
	.dl-column-single h1.article-title { font-size: 30px; }
	.rel-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 767px) {
	.dl-article-list .dl-hero { padding: 60px 15px 40px; }
	.dl-article-list .dl-hero .dl-hero-title { margin-bottom: 14px; }
	.dl-hero-sub { font-size: 16px; }
	.col-filter { overflow-x: auto; gap: 20px; }
	.col-filter button { padding: 8px 0 12px; font-size: 15px; white-space: nowrap; }
	.col-filter .count { display: none; }
	.dl-article-list .dl-list { padding: 36px 15px 65px; }
	.dl-article-list .dl-card-grid { gap: 44px; }
	.thumb-title { font-size: 24px; }
	.dl-column-single .article-head { padding: 40px 0 0; }
	.dl-column-single h1.article-title { font-size: 24px; }
	.dl-column-single .head-sub { font-size: 15.5px; }
	.dl-column-single .head-meta { font-size: 13px; }
	.dl-column-single .featured { margin-top: 28px; }
	.dl-column-single .featured img { border-radius: 12px; }
	.thumb--hero { border-radius: 12px; padding: 24px 26px; }
	.thumb--hero .thumb-title { font-size: 26px; }
	.thumb--hero .thumb-icon { width: 44px; height: 44px; right: 24px; bottom: 22px; }
	.thumb--hero .thumb-deco { width: 220px; height: 220px; }
	.dl-column-single .post-content { font-size: 15px; }
	.dl-column-single .post-content h2 { font-size: 21px; }
	.dl-column-single .post-content h3 { font-size: 17.5px; }
	.author-ext { gap: 16px; }
	.author-ext .avatar { width: 56px; height: 56px; font-size: 18px; }
	.related { padding: 60px 15px 70px; }
	.rel-grid { grid-template-columns: 1fr; gap: 36px; }
}