/*
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 파일명: css/blog.css
 설명: 「걷기 건강 이야기」 블로그 화면 (S713 · 2026-10-08)
       style.css 의 디자인 토큰(네이비 + 케어 그린)을 그대로 쓰고, 블로그에만 필요한 것만 더한다.
       ★읽기 편한 글★ 이 먼저다 — 본문 18px · 줄 간격 1.85 · 한 줄 폭 720px 안쪽.
================================================================================
*/

.blog-body { background: var(--color-bg-light); }
.blog-main { padding: 120px 0 80px; }

/* 목록 머리 */
.blog-hero { text-align: center; max-width: 720px; margin: 0 auto 28px; }
.blog-kicker { color: var(--color-care-dark); font-weight: 700; font-size: 15px; letter-spacing: 0.02em; margin-bottom: 8px; }
.blog-hero h1 { font-size: clamp(28px, 4vw, 40px); color: var(--color-primary); line-height: 1.3; margin-bottom: 12px; }
.blog-hero p { color: var(--color-text-light); font-size: 17px; line-height: 1.7; }
.blog-empty { text-align: center; color: var(--color-text-muted); padding: 60px 0; }

/* 분류 칩 */
.blog-cats { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin: 0 auto 36px; }
.chip {
    display: inline-block; padding: 8px 16px; border-radius: 999px; font-size: 15px;
    background: var(--color-white); color: var(--color-text); border: 1px solid var(--color-border);
    text-decoration: none; transition: var(--transition);
}
.chip:hover { border-color: var(--color-care); color: var(--color-care-dark); }
.chip.active { background: var(--color-care); border-color: var(--color-care); color: #fff; }

/* 카드 */
.post-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.post-card { background: var(--color-white); border-radius: var(--radius); overflow: hidden; border: 1px solid var(--color-border-light); transition: transform 0.2s ease, box-shadow 0.2s ease; }
.post-card:hover { transform: translateY(-3px); box-shadow: 0 12px 28px rgba(10, 31, 68, 0.10); }
.post-card a { display: block; color: inherit; text-decoration: none; height: 100%; }
.post-card img { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; display: block; }
.post-card-body { padding: 18px 20px 22px; }
.post-card h2 { font-size: 19px; line-height: 1.45; color: var(--color-primary); margin: 6px 0 8px; }
.post-card p { font-size: 15px; line-height: 1.65; color: var(--color-text-light); margin-bottom: 10px;
    display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.post-card time { font-size: 13px; color: var(--color-text-muted); }
.post-cat { display: inline-block; font-size: 13px; font-weight: 700; color: var(--color-care-dark); }

/* 쪽 넘기기 */
.pager { display: flex; justify-content: center; align-items: center; gap: 20px; margin-top: 40px; font-size: 16px; }
.pager a { color: var(--color-care-dark); font-weight: 600; text-decoration: none; }
.pager span { color: var(--color-text-muted); }

/* 글 */
.post-wrap { max-width: 820px; }
.crumbs { font-size: 14px; color: var(--color-text-muted); margin-bottom: 14px; }
.crumbs a { color: var(--color-text-light); text-decoration: none; }
.crumbs a:hover { color: var(--color-care-dark); }
.post { background: var(--color-white); border-radius: var(--radius); padding: 40px 48px; border: 1px solid var(--color-border-light); }
.post-head h1 { font-size: clamp(26px, 3.6vw, 36px); line-height: 1.35; color: var(--color-primary); margin-bottom: 10px; }
.post-meta { font-size: 15px; color: var(--color-text-muted); margin-bottom: 24px; }
.post-figure { margin: 0 0 28px; }
.post-figure img { width: 100%; height: auto; border-radius: 12px; display: block; }
.post-body { font-size: 18px; line-height: 1.85; color: var(--color-text); word-break: keep-all; overflow-wrap: anywhere; }
.post-body p { margin: 0 0 1.1em; }
.post-body h2 { font-size: 23px; line-height: 1.4; color: var(--color-primary); margin: 1.8em 0 0.7em; padding-left: 12px; border-left: 4px solid var(--color-care); }
.post-body h3 { font-size: 20px; margin: 1.4em 0 0.5em; color: var(--color-primary); }
.post-body ul, .post-body ol { margin: 0 0 1.2em 1.4em; }
.post-body li { margin-bottom: 0.45em; }
.post-body strong { color: var(--color-primary); }
.post-body blockquote { margin: 1.2em 0; padding: 14px 18px; background: var(--color-care-light); border-radius: 10px; color: var(--color-text); }
.cite { font-size: 0.7em; line-height: 0; }
.cite a { color: var(--color-care-dark); text-decoration: none; }

.post-refs { margin-top: 36px; padding-top: 20px; border-top: 1px solid var(--color-border); }
.post-refs h2 { font-size: 17px; color: var(--color-text-light); margin-bottom: 10px; }
.post-refs ol { margin-left: 1.3em; font-size: 14px; line-height: 1.7; color: var(--color-text-light); }
.post-refs a { color: var(--color-text-light); }
.post-note { margin-top: 24px; padding: 14px 18px; background: var(--color-bg-light); border-radius: 10px; font-size: 14px; line-height: 1.7; color: var(--color-text-muted); }

.post-app { margin-top: 24px; padding: 22px 24px; border-radius: 14px; background: var(--color-primary); color: #fff; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.post-app p { color: rgba(255, 255, 255, 0.85); font-size: 15px; line-height: 1.6; margin: 0; }
.post-app .post-app-title { color: #fff; font-weight: 700; font-size: 18px; margin-bottom: 4px; }
.post-app .btn { flex-shrink: 0; }

.post-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 28px 0; }
.post-nav a { background: var(--color-white); border: 1px solid var(--color-border-light); border-radius: 12px; padding: 16px 18px; text-decoration: none; color: var(--color-primary); font-weight: 600; line-height: 1.5; }
.post-nav a span { display: block; font-size: 13px; color: var(--color-text-muted); font-weight: 500; margin-bottom: 4px; }
.post-nav a.prev { text-align: right; grid-column: 2; }
.post-nav a.next { grid-column: 1; }
.post-related h2 { font-size: 22px; color: var(--color-primary); margin: 36px 0 18px; }

@media (max-width: 960px) {
    .post-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
    .blog-main { padding: 96px 0 56px; }
    .post-grid { grid-template-columns: 1fr; }
    .post { padding: 24px 18px; border-radius: 12px; }
    .post-body { font-size: 17px; }
    .post-app { flex-direction: column; align-items: flex-start; }
    .post-nav { grid-template-columns: 1fr; }
    .post-nav a.prev, .post-nav a.next { grid-column: auto; text-align: left; }
}