/* =============================================================
   style.css — 한국인계산기 매거진 (calcbox.kr)
   ============================================================= */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@400;500;700;900&display=swap');

:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --text: #1f2430;
  --muted: #6b7280;
  --border: #e5e7eb;
  --primary: #3b5bdb;
  --dark: #1f2430;
  --shadow: 0 2px 10px rgba(30, 40, 70, .07);
  --radius: 12px;
  --wrap: 1120px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 16px; }
.empty { color: var(--muted); text-align: center; padding: 40px 0; }

/* ===================== 헤더 ===================== */
.site-header { background: var(--card); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 50; }
.hdr-inner {
  max-width: var(--wrap); margin: 0 auto; padding: 16px;
  display: flex; align-items: center; gap: 20px;
}
.brand { font-size: 1.55rem; font-weight: 900; letter-spacing: -.02em; display: flex; align-items: center; gap: 8px; white-space: nowrap; }
.brand-mark { font-size: 1.3rem; }
.hdr-search { margin-left: auto; display: flex; align-items: center; background: #f1f3f7; border: 1px solid var(--border); border-radius: 999px; overflow: hidden; }
.hdr-search input { border: 0; background: transparent; padding: 9px 16px; font-size: .92rem; width: 240px; outline: none; font-family: inherit; }
.hdr-search button { border: 0; background: transparent; padding: 8px 14px; cursor: pointer; font-size: 1rem; }
.hdr-meta { font-size: .8rem; color: var(--muted); white-space: nowrap; }
.hdr-meta a:hover { color: var(--primary); }
.hdr-sep { color: var(--border); margin: 0 2px; }
.hdr-nav { max-width: var(--wrap); margin: 0 auto; padding: 0 16px; display: flex; gap: 4px; flex-wrap: wrap; border-top: 1px solid var(--border); }
.nav-cat {
  padding: 12px 14px; font-weight: 700; font-size: .95rem; color: var(--text);
  border-bottom: 3px solid transparent; display: inline-flex; align-items: center; gap: 6px;
}
.nav-cat:hover { color: var(--cat, var(--primary)); border-bottom-color: var(--cat, var(--primary)); }
.nav-cat.is-pending { color: var(--muted); }
.badge-soon { font-size: .62rem; font-weight: 700; background: #eceef3; color: var(--muted); padding: 2px 6px; border-radius: 999px; }

/* ===================== 히어로 ===================== */
.hero { padding: 22px 0 6px; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 22px; }
.hero-side { display: flex; flex-direction: column; gap: 16px; }
.hero-subs { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.hero-heads { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 6px 16px; }
.head-item { display: flex; align-items: flex-start; gap: 8px; padding: 11px 0; border-bottom: 1px dashed var(--border); font-weight: 500; font-size: .95rem; }
.head-item:last-child { border-bottom: 0; }
.head-item:hover { color: var(--primary); }

/* ===================== 카드 공통 ===================== */
.cat-badge { align-self: flex-start; font-size: .72rem; font-weight: 700; color: #fff; background: var(--cat, var(--primary)); padding: 3px 9px; border-radius: 999px; }
.pc-thumb { display: block; width: 100%; overflow: hidden; background: #eef1f6; }
.pc-thumb img { width: 100%; height: 100%; object-fit: cover; }
.pc-body { display: flex; flex-direction: column; gap: 7px; padding: 14px 16px; }
.pc-title { font-weight: 800; line-height: 1.35; color: var(--text); }
.pc-summary { color: var(--muted); font-size: .9rem; line-height: 1.55; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.pc-date { color: #9aa1ac; font-size: .78rem; margin-top: 2px; }

.feat-card { display: block; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; transition: transform .1s ease, border-color .15s ease; }
.feat-card:hover { transform: translateY(-2px); border-color: var(--primary); }
.feat-lead .pc-thumb { aspect-ratio: 16 / 10; }
.feat-lead .pc-title { font-size: 1.5rem; }
.feat-sub .pc-thumb { aspect-ratio: 16 / 10; }
.feat-sub .pc-title { font-size: .96rem; }
.feat-sub .pc-body { padding: 10px 12px; }

/* 가로형 리스트 카드 */
.row-card {
  display: grid; grid-template-columns: 200px 1fr; gap: 16px; align-items: stretch;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden; margin-bottom: 16px; transition: border-color .15s ease;
}
.row-card:hover { border-color: var(--primary); }
.row-card .pc-thumb { aspect-ratio: 4 / 3; height: 100%; }
.row-card .pc-title { font-size: 1.12rem; }

/* ===================== 홈 2단 ===================== */
.home-grid { display: grid; grid-template-columns: 1fr 320px; gap: 26px; padding: 24px 0 40px; align-items: start; }
.sec-title, .cat-h1 { font-size: 1.25rem; font-weight: 900; margin: 0 0 16px; padding-bottom: 8px; border-bottom: 2px solid var(--text); }
.search-h1 { font-size: 1.3rem; margin: 24px 0 16px; }
.search-h1 span { color: var(--primary); }

.home-side { display: flex; flex-direction: column; gap: 18px; position: sticky; top: 130px; }
.side-box { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px 18px; }
.side-title { font-size: 1rem; margin: 0 0 12px; }
.mini-list { display: flex; flex-direction: column; }
.mini-item { display: flex; flex-direction: column; gap: 2px; padding: 10px 0; border-top: 1px solid var(--border); }
.mini-item:first-child { border-top: 0; }
.mini-date { font-size: .72rem; color: #9aa1ac; }
.mini-title { font-size: .9rem; font-weight: 600; line-height: 1.4; }
.mini-item:hover .mini-title { color: var(--primary); }
.side-cats { display: flex; flex-wrap: wrap; gap: 8px; }
.side-cat { font-size: .82rem; font-weight: 700; color: #fff; background: var(--cat, var(--primary)); padding: 6px 12px; border-radius: 999px; }
.side-cat:hover { opacity: .88; }

/* ===================== 카테고리 페이지 ===================== */
.cat-head { display: flex; align-items: baseline; gap: 12px; border-bottom: 3px solid var(--cat, var(--primary)); padding: 22px 0 10px; margin-bottom: 18px; }
.cat-head .cat-h1 { border: 0; padding: 0; margin: 0; }
.cat-count { color: var(--muted); font-size: .85rem; }
.btn-home { display: inline-block; margin-top: 8px; color: var(--primary); font-weight: 700; }

/* ===================== 개별 글(포스트) ===================== */
.post-wrap { max-width: 760px; margin: 0 auto; padding: 26px 16px 50px; }
.crumbs { font-size: .82rem; color: var(--muted); margin-bottom: 14px; }
.crumbs a:hover { color: var(--primary); }
.post { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 30px 34px 36px; }
.post h1 { font-size: 1.85rem; line-height: 1.3; margin: 4px 0 10px; letter-spacing: -.01em; }
.post-meta { color: var(--muted); font-size: .85rem; margin: 0 0 18px; }
.post .lead { font-size: 1.05rem; color: #33404f; background: #f7f9fc; border-left: 4px solid var(--primary); padding: 14px 16px; border-radius: 8px; margin: 0 0 22px; }
.post h2 { font-size: 1.32rem; margin: 32px 0 12px; padding-top: 8px; }
.post h3 { font-size: 1.08rem; margin: 22px 0 8px; }
.post p { margin: 12px 0; }
.post ul, .post ol { margin: 12px 0; padding-left: 22px; }
.post li { margin: 6px 0; }
.callout { background: #fff8e6; border: 1px solid #ffe08a; border-radius: 10px; padding: 14px 16px; margin: 18px 0; font-size: .95rem; }
.callout a { color: var(--primary); font-weight: 700; }
.calc-table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: .93rem; }
.calc-table th, .calc-table td { border: 1px solid var(--border); padding: 9px 12px; text-align: left; vertical-align: top; }
.calc-table thead th, .calc-table thead td { background: #f1f3f7; font-weight: 700; }
.calc-table tbody th { background: #fafbfc; font-weight: 700; white-space: nowrap; }
.post-shot { margin: 18px 0; text-align: center; }
.post-shot img { border: 1px solid var(--border); border-radius: 10px; margin: 0 auto; }
.post-shot figcaption { color: var(--muted); font-size: .82rem; margin-top: 8px; }
.post .related { margin-top: 30px; padding-top: 18px; border-top: 1px solid var(--border); font-size: .95rem; }
.post .related a { color: var(--primary); font-weight: 700; }

/* 정적 안내 페이지(about/contact/privacy/terms) */
.page-wrap { max-width: 760px; margin: 0 auto; padding: 26px 16px 50px; }
.page { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 30px 34px 36px; }
.page h1 { font-size: 1.7rem; margin: 0 0 8px; }
.page h2 { font-size: 1.2rem; margin: 26px 0 10px; }
.page p, .page li { margin: 10px 0; }
.page ul { padding-left: 22px; }
.page .info-table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: .93rem; }
.page .info-table th, .page .info-table td { border: 1px solid var(--border); padding: 10px 12px; text-align: left; }
.page .info-table th { background: #f7f9fc; width: 36%; white-space: nowrap; }

/* ===================== 광고 ===================== */
.ad-container { margin: 18px 0; min-height: 90px; display: flex; align-items: center; justify-content: center; background: #f1f3f7; border: 1px dashed var(--border); border-radius: 10px; }

/* ===================== 푸터(dark) ===================== */
.site-footer { background: var(--dark); color: #c7ccd6; margin-top: 30px; }
.ft-inner { max-width: var(--wrap); margin: 0 auto; padding: 34px 16px 40px; text-align: center; }
.ft-brand { font-size: 1.25rem; font-weight: 900; color: #fff; display: inline-flex; align-items: center; gap: 8px; }
.ft-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 18px; margin: 16px 0; }
.ft-links a { color: #dfe3ea; font-size: .9rem; }
.ft-links a:hover { color: #fff; text-decoration: underline; }
.ft-biz { font-size: .82rem; line-height: 1.9; color: #9aa1ad; }
.ft-biz a { color: #b9c0cc; text-decoration: underline; }
.ft-copy { font-size: .78rem; color: #7b828e; margin-top: 14px; line-height: 1.7; }

/* ===================== 반응형 ===================== */
@media (max-width: 900px) {
  .home-grid { grid-template-columns: 1fr; }
  .home-side { position: static; }
  .hero-grid { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  .hdr-inner { flex-wrap: wrap; gap: 12px; }
  .hdr-search { order: 3; margin-left: 0; width: 100%; }
  .hdr-search input { width: 100%; flex: 1; }
  .hdr-meta { margin-left: auto; }
  .hdr-nav { flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .nav-cat { white-space: nowrap; }
  .hero-subs { grid-template-columns: 1fr 1fr; }
  .row-card { grid-template-columns: 120px 1fr; gap: 12px; }
  .row-card .pc-title { font-size: 1rem; }
  .row-card .pc-summary { display: none; }
  .feat-lead .pc-title { font-size: 1.25rem; }
  .post { padding: 22px 18px 26px; }
  .post h1 { font-size: 1.5rem; }
  .page { padding: 22px 18px; }
}