/* 얼마받지 공용 스타일 — 모바일 우선 */
:root {
  --blue: #1b5fd9;
  --blue-dark: #12459e;
  --blue-light: #e8f0fe;
  --text: #1f2937;
  --text-sub: #6b7280;
  --border: #e5e7eb;
  --bg: #ffffff;
  --bg-soft: #f8fafc;
  --danger: #d93025;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  font-size: 16px;
}

.container {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 16px;
}

/* 헤더 */
.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 16px;
  padding-top: 10px;
  padding-bottom: 10px;
}

.logo {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--blue);
  text-decoration: none;
  letter-spacing: -0.5px;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  width: 100%;
  overflow-x: auto;
}

.site-nav a {
  color: var(--text-sub);
  text-decoration: none;
  font-size: 0.88rem;
  padding: 4px 8px;
  border-radius: 6px;
  white-space: nowrap;
}

.site-nav a:hover { background: var(--blue-light); color: var(--blue); }
.site-nav a.active { background: var(--blue-light); color: var(--blue); font-weight: 700; }

@media (min-width: 720px) {
  .site-nav { width: auto; margin-left: auto; }
}

/* 본문 */
main.container { padding-top: 24px; padding-bottom: 48px; }

h1 { font-size: 1.5rem; margin: 0 0 8px; letter-spacing: -0.5px; }
h2 { font-size: 1.2rem; margin: 40px 0 12px; letter-spacing: -0.3px; }
h3 { font-size: 1.02rem; margin: 24px 0 8px; }

.page-desc { color: var(--text-sub); margin: 0 0 24px; font-size: 0.95rem; }

/* 계산기 폼 */
.calc-box {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 16px;
}

.field { margin-bottom: 14px; }

.field label {
  display: block;
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.field .hint {
  display: block;
  font-size: 0.78rem;
  color: var(--text-sub);
  font-weight: 400;
  margin-top: 4px;
}

.field input[type="text"],
.field input[type="number"],
.field input[type="date"],
.field select {
  width: 100%;
  padding: 11px 12px;
  font-size: 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
}

.field input:focus, .field select:focus {
  outline: 2px solid var(--blue);
  outline-offset: -1px;
  border-color: var(--blue);
}

.field-row { display: flex; gap: 10px; }
.field-row .field { flex: 1; }

.radio-group { display: flex; flex-wrap: wrap; gap: 8px; }

.radio-group label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  padding: 9px 12px;
  font-size: 0.9rem;
  cursor: pointer;
  margin: 0;
  font-weight: 500;
}

.radio-group input { accent-color: var(--blue); margin: 0; }
.radio-group label:has(input:checked) {
  border-color: var(--blue);
  background: var(--blue-light);
  color: var(--blue-dark);
  font-weight: 700;
}

.btn {
  display: block;
  width: 100%;
  padding: 13px;
  background: var(--blue);
  color: #fff;
  font-size: 1.05rem;
  font-weight: 700;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  margin-top: 6px;
}

.btn:hover { background: var(--blue-dark); }

.error-msg {
  color: var(--danger);
  font-size: 0.85rem;
  margin-top: 10px;
  display: none;
}

/* 결과 */
.result-box {
  display: none;
  margin-top: 20px;
  border: 1px solid var(--blue);
  border-radius: 12px;
  overflow: hidden;
}

.result-box.show { display: block; }

.result-main {
  background: var(--blue);
  color: #fff;
  padding: 16px;
  text-align: center;
}

.result-main .label { font-size: 0.85rem; opacity: 0.9; }
.result-main .value { font-size: 1.6rem; font-weight: 800; letter-spacing: -0.5px; }

.result-table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }

.result-table th, .result-table td {
  padding: 10px 14px;
  border-top: 1px solid var(--border);
  text-align: left;
}

.result-table td { text-align: right; font-variant-numeric: tabular-nums; }
.result-table tr.total { background: var(--blue-light); font-weight: 700; }
.result-table th { font-weight: 500; color: var(--text-sub); white-space: nowrap; }

/* 스케줄 표 등 넓은 표 */
.table-scroll { overflow-x: auto; margin-top: 16px; -webkit-overflow-scrolling: touch; }

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  min-width: 560px;
}

.data-table th, .data-table td {
  border: 1px solid var(--border);
  padding: 8px 10px;
  text-align: right;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.data-table th { background: var(--bg-soft); text-align: center; font-weight: 700; }
.data-table td:first-child { text-align: center; }

/* 홈 카드 */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 24px 0;
}

@media (min-width: 600px) {
  .card-grid { grid-template-columns: 1fr 1fr; }
}

.card {
  display: block;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 16px;
  text-decoration: none;
  color: var(--text);
  background: #fff;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.card:hover {
  border-color: var(--blue);
  box-shadow: 0 4px 14px rgba(27, 95, 217, 0.12);
}

.card .card-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--blue);
  margin-bottom: 6px;
}

.card .card-desc { font-size: 0.88rem; color: var(--text-sub); }

/* 설명 섹션 */
.article-section { margin-top: 44px; border-top: 1px solid var(--border); padding-top: 8px; }
.article-section p { font-size: 0.95rem; }
.article-section ul, .article-section ol { font-size: 0.95rem; padding-left: 22px; }
.article-section li { margin-bottom: 6px; }

.faq-item { margin-bottom: 18px; }
.faq-item .q { font-weight: 700; margin-bottom: 4px; }
.faq-item .a { font-size: 0.95rem; color: var(--text); margin: 0; }

.notice {
  background: var(--bg-soft);
  border-left: 4px solid var(--blue);
  border-radius: 0 8px 8px 0;
  padding: 12px 14px;
  font-size: 0.85rem;
  color: var(--text-sub);
  margin-top: 28px;
}

/* 푸터 */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-soft);
  margin-top: 20px;
}

.site-footer .container { padding-top: 24px; padding-bottom: 32px; }

.footer-links { margin-bottom: 12px; font-size: 0.88rem; }
.footer-links a { color: var(--text); text-decoration: none; margin-right: 16px; }
.footer-links a:hover { color: var(--blue); text-decoration: underline; }

.footer-disclaimer { font-size: 0.78rem; color: var(--text-sub); margin: 0 0 8px; }
.footer-copy { font-size: 0.78rem; color: var(--text-sub); margin: 0; }

/* 기타 */
.not-found { text-align: center; padding: 60px 0; }
.not-found .code { font-size: 4rem; font-weight: 800; color: var(--blue); margin: 0; }

/* ── 홈 히어로 ── */
.hero {
  background: linear-gradient(135deg, #1b5fd9 0%, #2f7bff 100%);
  border-radius: 16px;
  color: #fff;
  padding: 36px 24px;
  margin-bottom: 28px;
}

.hero h1 { color: #fff; font-size: 1.7rem; margin: 0 0 10px; }
.hero p { margin: 0 0 18px; font-size: 0.98rem; opacity: 0.92; max-width: 560px; }

.hero-badges { display: flex; flex-wrap: wrap; gap: 8px; }

.hero-badges span {
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 0.8rem;
  font-weight: 600;
}

.card .card-icon { font-size: 1.5rem; margin-bottom: 8px; }

/* ── 가이드 목록 ── */
.guide-list { display: grid; gap: 12px; margin: 20px 0; }

.guide-item {
  display: block;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  text-decoration: none;
  color: var(--text);
  background: #fff;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.guide-item:hover { border-color: var(--blue); box-shadow: 0 4px 14px rgba(27, 95, 217, 0.1); }

.guide-item .g-cat {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--blue);
  background: var(--blue-light);
  border-radius: 6px;
  padding: 2px 8px;
  margin-bottom: 6px;
}

.guide-item .g-title { font-size: 1.02rem; font-weight: 700; margin-bottom: 4px; }
.guide-item .g-desc { font-size: 0.87rem; color: var(--text-sub); }

/* ── 가이드 본문 페이지 ── */
.article-meta { font-size: 0.8rem; color: var(--text-sub); margin-bottom: 20px; }

.article-body h2 {
  border-left: 4px solid var(--blue);
  padding-left: 10px;
  margin-top: 36px;
}

.article-body p { font-size: 0.97rem; }
.article-body ul, .article-body ol { font-size: 0.97rem; }
.article-body table { width: 100%; border-collapse: collapse; font-size: 0.88rem; margin: 14px 0; }
.article-body th, .article-body td { border: 1px solid var(--border); padding: 8px 10px; text-align: left; }
.article-body th { background: var(--bg-soft); white-space: nowrap; }

.tip-box {
  background: var(--blue-light);
  border-radius: 10px;
  padding: 14px 16px;
  font-size: 0.92rem;
  margin: 16px 0;
}

.tip-box strong { color: var(--blue-dark); }

/* ── 관련 링크 박스 ── */
.related-box {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-soft);
  padding: 16px;
  margin-top: 28px;
}

.related-box .rel-title { font-weight: 800; font-size: 0.95rem; margin-bottom: 10px; }
.related-box ul { list-style: none; margin: 0; padding: 0; }
.related-box li { margin: 6px 0; font-size: 0.92rem; }
.related-box a { color: var(--blue); text-decoration: none; }
.related-box a:hover { text-decoration: underline; }

/* ── 홈 섹션 헤더 ── */
.section-head { display: flex; align-items: baseline; justify-content: space-between; margin-top: 36px; }
.section-head h2 { margin: 0; }
.section-head .more { font-size: 0.85rem; color: var(--blue); text-decoration: none; white-space: nowrap; }
.section-head .more:hover { text-decoration: underline; }

/* ── 푸터 3단 그리드 ── */
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

@media (min-width: 600px) {
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
}

.footer-col .f-head {
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 8px;
}

.footer-col a {
  display: block;
  color: var(--text-sub);
  text-decoration: none;
  font-size: 0.84rem;
  margin-bottom: 6px;
}

.footer-col a:hover { color: var(--blue); text-decoration: underline; }