/* ───── 베스트클린 홈케어 — 가벼운 기본 스타일 ───── */
*, *::before, *::after { box-sizing: border-box; }
:root {
  --bg: #fff;
  --fg: #1a2235;
  --muted: #5a6b85;
  --brand: #1B3A6B;
  --accent: #FCD34D;
  --line: #e5e8f0;
  --radius: 8px;
}
html { font-size: 16px; }
body {
  margin: 0; color: var(--fg); background: var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo",
    "Pretendard", "Noto Sans KR", sans-serif;
  line-height: 1.65;
}
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3, h4 { line-height: 1.3; color: var(--fg); }
.muted { color: var(--muted); }
.container { max-width: 1100px; margin: 0 auto; padding: 0 1rem; }

/* Header */
.site-header { border-bottom: 1px solid var(--line); padding: 1rem 0; background: #fff; }
.site-header .container { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; }
.brand { font-size: 1.2rem; font-weight: 700; color: var(--brand); }
.nav { display: flex; gap: 1rem; flex-wrap: wrap; align-items: center; }
.nav a { color: var(--fg); font-size: 0.95rem; }
.nav a.cta { background: var(--brand); color: #fff; padding: 0.4rem 0.9rem; border-radius: var(--radius); }

/* Hero */
.hero { padding: 3rem 0; text-align: center; }
.hero h1 { font-size: 2rem; margin: 0 0 1rem; }
.hero .lead { color: var(--muted); font-size: 1.1rem; max-width: 720px; margin: 0 auto 1.5rem; }
.hero-actions { display: flex; gap: 0.6rem; justify-content: center; flex-wrap: wrap; }

/* Buttons */
.btn { display: inline-block; padding: 0.7rem 1.4rem; border-radius: var(--radius); font-weight: 600; border: 1px solid transparent; }
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: #2a4f8c; color: #fff; text-decoration: none; }
.btn-outline { background: transparent; border-color: var(--brand); color: var(--brand); }

/* Grids */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
@media (max-width: 768px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* Cards */
.card {
  display: block; padding: 1rem; border: 1px solid var(--line);
  border-radius: var(--radius); background: #fff;
  text-decoration: none; color: var(--fg);
}
.card:hover { border-color: var(--brand); text-decoration: none; }
.card h3, .card h4 { margin: 0.5rem 0; }
.card img { border-radius: 4px; aspect-ratio: 16/10; object-fit: cover; }
.card small { color: var(--muted); }

/* Sections */
section { padding: 2.5rem 0; border-top: 1px solid var(--line); }

/* Blog */
.blog-cats { display: flex; gap: 0.5rem; margin: 1rem 0 1.5rem; flex-wrap: wrap; }
.blog-cats a { padding: 0.35rem 0.8rem; border: 1px solid var(--line); border-radius: 999px; color: var(--fg); }
.blog-cats a.active { background: var(--brand); color: #fff; border-color: var(--brand); }
.blog-list { display: grid; gap: 1rem; }
.blog-list .card { display: grid; grid-template-columns: 200px 1fr; gap: 1rem; align-items: start; }
.blog-list .card img { width: 200px; }
@media (max-width: 640px) {
  .blog-list .card { grid-template-columns: 1fr; }
  .blog-list .card img { width: 100%; }
}
.pager { display: flex; gap: 0.4rem; justify-content: center; margin: 2rem 0; }
.pager a { padding: 0.4rem 0.7rem; border: 1px solid var(--line); border-radius: 4px; color: var(--fg); }
.pager a.active { background: var(--brand); color: #fff; border-color: var(--brand); }

/* Post */
.post header { margin: 2rem 0; }
.post h1 { font-size: 2rem; margin: 0.4rem 0; }
.post .meta { color: var(--muted); font-size: 0.9rem; margin-bottom: 0.5rem; }
.post .lead { color: var(--muted); font-size: 1.1rem; }
.post-body { font-size: 1.05rem; }
.post-body h2 { margin-top: 2rem; padding-top: 0.5rem; border-top: 2px solid var(--brand); display: inline-block; padding-right: 1rem; }
.post-body h3 { margin-top: 1.5rem; }
.post-body img { margin: 1rem 0; border-radius: 4px; }
.post-body blockquote { margin: 1rem 0; padding: 0.8rem 1.2rem; border-left: 4px solid var(--accent); background: #fffaeb; color: #534407; }
.post-body ul, .post-body ol { padding-left: 1.5rem; }
.post-body table { width: 100%; border-collapse: collapse; margin: 1rem 0; }
.post-body table th, .post-body table td { border: 1px solid var(--line); padding: 0.5rem; }
.post-body table th { background: #f7f9fc; }
.post-cta { margin: 2rem 0; padding: 1.5rem; background: #f7f9fc; border-radius: var(--radius); text-align: center; }
.post-gallery { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin: 2rem 0; }
.post-gallery figure { margin: 0; }
.post-gallery figcaption { font-size: 0.85rem; color: var(--muted); margin-top: 0.3rem; }
.related ul { list-style: none; padding: 0; }
.related li { margin: 0.4rem 0; }

/* Forms */
.form-stack { display: grid; gap: 1rem; max-width: 480px; }
.form-stack label { display: grid; gap: 0.3rem; font-weight: 600; }
.form-stack input, .form-stack textarea, .form-stack select {
  padding: 0.6rem; border: 1px solid var(--line); border-radius: var(--radius); font: inherit;
}
.alert { padding: 0.8rem 1rem; border-radius: var(--radius); margin: 1rem 0; }
.alert.success { background: #d4edda; color: #155724; }
.alert.error { background: #f8d7da; color: #721c24; }

/* Footer */
.site-footer { background: #f7f9fc; padding: 2rem 0; margin-top: 3rem; border-top: 1px solid var(--line); font-size: 0.9rem; color: var(--muted); }
.site-footer .cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
@media (max-width: 640px) { .site-footer .cols { grid-template-columns: 1fr; } }
.site-footer a { color: var(--fg); }
.site-footer .legal { margin-top: 1.5rem; padding-top: 1rem; border-top: 1px solid var(--line); }