/* ============================================================
   Doto land3 — Blog styles
   land3 디자인 언어(흑백 미니멀 + 라임 1포인트, mono caption,
   얇은 보더, reveal)로 블로그 목록/본문/목업을 통일.
   목록·포스트 24개 파일이 공유하는 단일 스타일시트.
   ============================================================ */

:root {
  --ink:   #0A0A0A;
  --ink2:  #374151;
  --ink3:  #6B7280;
  --ink4:  #9CA3AF;
  --line:  #E5E7EB;
  --line2: #D1D5DB;
  --surface:  #FAFAFA;
  --surface2: #F4F5F7;
  --accent: #D9F99D;
  --accent-deep: #1a2e05;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

html { scroll-behavior: smooth; }
body {
  font-family: "Pretendard Variable", Pretendard, ui-sans-serif, system-ui, sans-serif;
  font-feature-settings: "ss01", "ss02";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  color: var(--ink);
  background: #FFFFFF;
}

/* ---------- shared land3 primitives ---------- */
.caption {
  font-size: 12px; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink3); font-family: var(--mono);
}
.h-section {
  font-size: clamp(28px, 3.2vw, 40px); line-height: 1.14;
  letter-spacing: -0.02em; font-weight: 600; word-break: keep-all;
}
.h-cta {
  font-size: clamp(32px, 4vw, 52px); line-height: 1.1;
  letter-spacing: -0.022em; font-weight: 600; word-break: keep-all;
}
.body-15 { font-size: 15px; line-height: 1.65; }
.body-17 { font-size: 17px; line-height: 1.55; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  height: 44px; padding: 0 18px; border-radius: 10px;
  font-size: 14px; font-weight: 500; white-space: nowrap;
  transition: background-color .18s, border-color .18s, color .18s, transform .18s;
}
.btn-primary { background: var(--ink); color: #FFFFFF; }
.btn-primary:hover { background: #1f1f1f; }
.btn-secondary { background: #FFFFFF; border: 1px solid var(--line); color: var(--ink); }
.btn-secondary:hover { border-color: var(--line2); }
.btn-tertiary { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 500; color: var(--ink); }
.btn-tertiary .arrow { transition: transform .18s; display: inline-block; }
.btn-tertiary:hover .arrow { transform: translateX(4px); }

.chip {
  display: inline-flex; align-items: center; gap: 6px;
  height: 26px; padding: 0 10px;
  border: 1px solid var(--line); border-radius: 999px;
  font-size: 12px; font-weight: 500; color: var(--ink2); background: #FFFFFF;
}
.chip .dot { width: 6px; height: 6px; border-radius: 999px; background: var(--accent); box-shadow: 0 0 0 1px #c8e679 inset; }
.chip-dark {
  display: inline-flex; align-items: center; gap: 6px;
  height: 26px; padding: 0 10px; border-radius: 999px;
  font-size: 12px; font-weight: 500; color: #FFFFFF; background: var(--ink);
  font-family: var(--mono); letter-spacing: 0.06em;
}

.nav-line { border-bottom: 1px solid var(--line); }
.section    { padding-top: clamp(80px, 11vw, 160px); padding-bottom: clamp(80px, 11vw, 160px); }
.section-sm { padding-top: clamp(56px, 8vw, 96px);  padding-bottom: clamp(56px, 8vw, 96px); }

.reveal { opacity: 0; transform: translateY(8px); transition: opacity .35s ease, transform .35s ease; }
.reveal.in { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

footer a:hover { color: var(--ink); }

/* ============================================================
   BLOG LIST (index)
   ============================================================ */
.blog-hero { padding-top: clamp(48px, 7vw, 96px); padding-bottom: clamp(40px, 5vw, 64px); }
.blog-hero .blog-h1 {
  font-size: clamp(34px, 5vw, 60px); line-height: 1.08;
  letter-spacing: -0.025em; font-weight: 700; word-break: keep-all;
}

/* 카테고리 칩 행 */
.cat-row { display: flex; flex-wrap: wrap; gap: 8px; }
.cat-chip {
  display: inline-flex; align-items: center; height: 32px; padding: 0 14px;
  border: 1px solid var(--line); border-radius: 999px;
  font-size: 13px; font-weight: 500; color: var(--ink2);
  transition: border-color .18s, background-color .18s, color .18s;
}
.cat-chip:hover { border-color: var(--line2); color: var(--ink); }

/* 카드 그리드 */
.blog-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px;
}
@media (max-width: 991.98px) { .blog-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 575.98px) { .blog-grid { grid-template-columns: 1fr; } }

.blog-card {
  display: flex; flex-direction: column; overflow: hidden;
  background: #FFFFFF; border: 1px solid var(--line); border-radius: 14px;
  text-decoration: none; color: inherit;
  transition: border-color .18s ease;
}
.blog-card:hover { border-color: var(--line2); }
.blog-card-thumb {
  aspect-ratio: 16 / 10; background: var(--surface);
  border-bottom: 1px solid var(--line); overflow: hidden;
}
.blog-card-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.blog-card-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.blog-card-cat { font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink4); }
.blog-card-body h3 {
  font-size: 16px; font-weight: 600; line-height: 1.45; letter-spacing: -0.01em;
  color: var(--ink); margin: 10px 0 0;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.blog-card-body p {
  font-size: 14px; line-height: 1.6; color: var(--ink2); margin: 8px 0 0; flex: 1;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.blog-card-meta {
  font-family: var(--mono); font-size: 12px; color: var(--ink4);
  margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--line);
}

/* ============================================================
   BLOG ARTICLE (post)
   ============================================================ */
.blog-wrap { max-width: 760px; margin-left: auto; margin-right: auto; }

.blog-article-header { padding-top: clamp(32px, 4vw, 48px); }
.blog-article-header .blog-cat {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--ink4);
}
.blog-article-header .blog-h1 {
  font-size: clamp(30px, 4.2vw, 46px); line-height: 1.18; letter-spacing: -0.025em;
  font-weight: 700; color: var(--ink); margin: 14px 0 0; word-break: keep-all;
}
.blog-meta {
  display: flex; flex-wrap: wrap; gap: 14px; margin-top: 20px;
  font-family: var(--mono); font-size: 13px; color: var(--ink3);
}
.blog-meta span { display: inline-flex; align-items: center; }

/* 본문 타이포 (prose) */
.prose { font-size: 17px; line-height: 1.78; color: var(--ink2); }
.prose > p { margin: 0 0 1.4em; }
.prose h2 {
  font-size: clamp(23px, 2.6vw, 30px); font-weight: 600; letter-spacing: -0.02em;
  line-height: 1.25; color: var(--ink);
  margin: 2.4em 0 0.8em; padding-top: 1.8em; border-top: 1px solid var(--line);
  scroll-margin-top: 84px; word-break: keep-all;
}
.prose h3 {
  font-size: 19px; font-weight: 600; letter-spacing: -0.01em; color: var(--ink);
  margin: 2em 0 0.6em; scroll-margin-top: 84px; word-break: keep-all;
}
.prose ul, .prose ol { margin: 0 0 1.4em; padding-left: 1.3em; }
.prose li { margin-bottom: 0.55em; padding-left: 0.2em; }
.prose ul > li::marker { color: var(--ink4); }
.prose ol > li::marker { color: var(--ink4); font-family: var(--mono); font-size: 0.9em; }
.prose strong { font-weight: 600; color: var(--ink); }
.prose a { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--line2); }
.prose a:hover { text-decoration-color: var(--ink); }
.prose blockquote {
  border-left: 2px solid var(--ink); margin: 1.8em 0; padding: 4px 0 4px 22px;
  color: var(--ink2); font-size: 18px; line-height: 1.7;
}
.prose blockquote p:last-child { margin-bottom: 0; }
.prose figure { margin: 2em 0; }
.prose figure img, .figure-c img { width: 100%; border: 1px solid var(--line); border-radius: 14px; display: block; }
.prose figcaption, .figure-c figcaption { font-family: var(--mono); font-size: 12px; color: var(--ink4); margin-top: 10px; text-align: center; }
.figure-c { margin: 2em 0; text-align: center; }
.figure-c img { display: inline-block; width: auto; max-width: 100%; }
/* 모바일 스크린샷 프레임 */
.figure-phone { margin: 2em auto; max-width: 280px; text-align: center; }
.figure-phone img { width: 100%; border: 1px solid var(--line); border-radius: 22px; display: block; }
/* 보고서 타일 (회계 등) */
.rtile { border: 1px solid var(--line); border-radius: 10px; background: #FFFFFF; padding: 14px 10px; text-align: center; font-size: 13px; font-weight: 500; color: var(--ink); }
.rtile.accent { border-color: #cbe98a; background: rgba(217, 249, 157, 0.2); }
.rtile .en { display: block; font-family: var(--mono); font-size: 9px; color: var(--ink4); margin-top: 4px; text-transform: uppercase; letter-spacing: 0.04em; }

/* 본문 표 (land3 hairline) */
.prose table { width: 100%; border-collapse: collapse; margin: 1.9em 0; font-size: 15px; }
.prose thead th {
  text-align: left; font-family: var(--mono); font-size: 11px; font-weight: 500;
  letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink3);
  padding: 10px 14px; border-bottom: 1px solid var(--line); white-space: nowrap;
}
.prose tbody td { padding: 12px 14px; border-top: 1px solid var(--surface2); color: var(--ink2); vertical-align: top; }
.prose tbody tr:hover { background: var(--surface); }
.prose .num { text-align: right; font-variant-numeric: tabular-nums; }

/* 비교표 — doto 컬럼 강조 */
.cmp th.col-doto { background: var(--ink); color: #FFFFFF; border-bottom-color: var(--ink); }
.cmp td.col-doto { background: rgba(217, 249, 157, 0.22); color: var(--ink); font-weight: 500; }

/* 목차 */
.blog-toc {
  max-width: 760px; margin: 2.4em auto;
  border: 1px solid var(--line); border-radius: 14px; padding: 24px 26px; background: var(--surface);
}
.blog-toc .caption { display: block; margin-bottom: 14px; }
.blog-toc ol { counter-reset: toc; list-style: none; margin: 0; padding: 0; }
.blog-toc li { counter-increment: toc; position: relative; padding-left: 34px; margin-bottom: 9px; font-size: 15px; line-height: 1.5; }
.blog-toc li::before {
  content: counter(toc, decimal-leading-zero); position: absolute; left: 0; top: 1px;
  font-family: var(--mono); font-size: 12px; color: var(--ink4);
}
.blog-toc a { color: var(--ink2); text-decoration: none; }
.blog-toc a:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }

/* FAQ */
.blog-faq { margin: 1.6em 0; }
.blog-faq details {
  border: 1px solid var(--line); border-radius: 12px; margin-bottom: 10px; overflow: hidden; background: #FFFFFF;
}
.blog-faq summary {
  list-style: none; cursor: pointer; padding: 16px 20px;
  font-size: 16px; font-weight: 500; color: var(--ink);
  display: flex; align-items: center; gap: 12px;
}
.blog-faq summary::-webkit-details-marker { display: none; }
.blog-faq summary::before {
  content: "+"; flex-shrink: 0; font-family: var(--mono); font-size: 18px;
  color: var(--ink4); transition: transform .18s ease, color .18s ease; line-height: 1;
}
.blog-faq details[open] summary { border-bottom: 1px solid var(--line); }
.blog-faq details[open] summary::before { transform: rotate(45deg); color: var(--ink); }
.blog-faq details > p { padding: 16px 20px; margin: 0; font-size: 15px; line-height: 1.75; color: var(--ink2); }

/* 본문 강조 박스 (feature-box) */
.blog-feature-box {
  border: 1px solid var(--line); border-radius: 14px; background: var(--surface);
  padding: 24px 28px; margin: 2em 0;
}
.blog-feature-box h3 { margin-top: 0 !important; }
.blog-feature-box ul { margin-bottom: 0; }
.blog-feature-box > *:last-child { margin-bottom: 0; }

/* 인라인 CTA */
.blog-inline-cta {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px;
  margin: 2.2em 0; padding: 20px 24px; border-radius: 14px;
  background: var(--ink); color: #FFFFFF;
}
.blog-inline-cta p { margin: 0; font-size: 16px; font-weight: 500; }
.blog-inline-cta a {
  margin-left: auto; display: inline-flex; align-items: center; gap: 6px;
  color: var(--accent); font-weight: 500; text-decoration: none; white-space: nowrap;
}
.blog-inline-cta a .arrow { transition: transform .18s ease; }
.blog-inline-cta a:hover .arrow { transform: translateX(4px); }

/* 관련 글 */
.blog-related { border-top: 1px solid var(--line); padding-top: 40px; }

/* ============================================================
   MOCKUPS — land3 재제작 프리미티브
   (구 window-frame / ui-snippet / flow / kanban 대체)
   ============================================================ */
.mock {
  border: 1px solid var(--line); border-radius: 14px; overflow: hidden; background: #FFFFFF;
  margin: 1.6em 0;
}
.mock-head {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 16px; border-bottom: 1px solid var(--line); background: var(--surface);
}
.mock-head .cap { font-family: var(--mono); font-size: 11px; letter-spacing: 0.04em; color: var(--ink3); }
.mock-head .cap-r { margin-left: auto; font-family: var(--mono); font-size: 10px; letter-spacing: 0.04em; color: var(--ink4); }
.mock-body { padding: 18px; }

/* 통계 타일 */
.mock-stats { display: flex; gap: 10px; margin-bottom: 14px; }
.mock-stat { flex: 1; text-align: center; padding: 12px 8px; border: 1px solid var(--line); border-radius: 10px; background: #FFFFFF; }
.mock-stat .n { font-size: 20px; font-weight: 600; color: var(--ink); font-variant-numeric: tabular-nums; line-height: 1; }
.mock-stat .l { font-size: 11px; color: var(--ink3); margin-top: 5px; }
.mock-stat.accent { background: rgba(217, 249, 157, 0.2); border-color: #cbe98a; }

/* 리스트 행 */
.mock-row {
  display: flex; align-items: center; gap: 10px; padding: 10px 12px;
  border: 1px solid var(--line); border-radius: 10px; margin-bottom: 6px; font-size: 13px; background: #FFFFFF;
}
.mock-row .dot { width: 7px; height: 7px; border-radius: 999px; background: var(--ink4); flex-shrink: 0; }
.mock-row .dot.on { background: var(--accent-deep); }
.mock-row .name { font-weight: 600; color: var(--ink); }
.mock-row .sub { color: var(--ink3); }
.mock-row .tag {
  margin-left: auto; font-family: var(--mono); font-size: 11px; letter-spacing: 0.02em;
  color: var(--ink2); padding: 2px 8px; border: 1px solid var(--line); border-radius: 999px;
}
.mock-row .right { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.mock-row .right .tag { margin-left: 0; }
.mock-row .date { font-family: var(--mono); font-size: 11px; color: var(--ink4); }

/* AI 태그 (구 ai-badge) */
.ai-tag {
  display: inline-flex; align-items: center; gap: 4px;
  font-family: var(--mono); font-size: 10px; font-weight: 500; letter-spacing: 0.04em;
  padding: 2px 7px; border-radius: 999px; background: var(--ink); color: var(--accent);
}

/* 미니 표 */
.mock-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.mock-table th { text-align: left; font-family: var(--mono); font-size: 10px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--ink4); font-weight: 500; padding: 6px 10px; border-bottom: 1px solid var(--line); }
.mock-table td { padding: 9px 10px; border-top: 1px solid var(--surface2); color: var(--ink2); }
.mock-table .num { text-align: right; font-variant-numeric: tabular-nums; font-weight: 600; color: var(--ink); }
.mock-table .pos { color: var(--ink); }
.mock-table .neg { color: var(--ink3); }
.mock-table .ok { color: var(--accent-deep); }

/* 플로우 체인 (구 flow-container) */
.flow { display: flex; align-items: stretch; flex-wrap: wrap; gap: 8px; }
.flow-node {
  flex: 1; min-width: 88px; text-align: center; padding: 14px 10px;
  border: 1px solid var(--line); border-radius: 12px; background: #FFFFFF;
}
.flow-node .ko { font-size: 13px; font-weight: 500; color: var(--ink); }
.flow-node .en { font-family: var(--mono); font-size: 9px; letter-spacing: 0.04em; color: var(--ink4); margin-top: 4px; text-transform: uppercase; }
.flow-node.accent { border-color: #cbe98a; background: rgba(217, 249, 157, 0.2); }
.flow-arrow { display: flex; align-items: center; color: var(--ink4); font-family: var(--mono); }

/* 칸반 (구 kanban-col/card) */
.kb { display: flex; gap: 8px; }
.kb-col { flex: 1; }
.kb-col h6 { font-family: var(--mono); font-size: 10px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--ink4); font-weight: 500; margin: 0 0 6px; }
.kb-card {
  font-size: 12px; color: var(--ink2); padding: 8px 10px; margin-bottom: 6px;
  border: 1px solid var(--line); border-left: 2px solid var(--line2); border-radius: 8px; background: #FFFFFF;
}

/* 스텝 플로우 (구 4단계) */
.steps { display: flex; align-items: flex-start; gap: 6px; }
.step { flex: 1; text-align: center; }
.step .badge {
  width: 44px; height: 44px; border-radius: 999px; margin: 0 auto 10px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line); background: var(--surface);
  font-family: var(--mono); font-size: 13px; color: var(--ink); font-weight: 600;
}
.step .t { font-size: 13px; font-weight: 600; color: var(--ink); }
.step .d { font-size: 11px; color: var(--ink3); margin-top: 3px; }
.step-arrow { padding-top: 12px; color: var(--ink4); font-family: var(--mono); }

/* Before/After 비교 */
.ba-tag {
  display: inline-flex; align-items: center; height: 24px; padding: 0 10px; border-radius: 999px;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.04em; font-weight: 500;
}
.ba-tag.before { border: 1px solid var(--line); color: var(--ink3); background: #FFFFFF; }
.ba-tag.after  { background: var(--ink); color: var(--accent); }
.ba-pill {
  display: inline-flex; align-items: center; padding: 6px 12px; border-radius: 8px;
  border: 1px solid var(--line); background: #FFFFFF; font-size: 12px; color: var(--ink2);
}
.ba-mod {
  display: inline-flex; align-items: center; padding: 3px 9px; border-radius: 999px;
  border: 1px solid #cbe98a; background: rgba(217, 249, 157, 0.25); font-size: 11px; color: var(--accent-deep); font-weight: 500;
}