/* ==========================================================================
   Blog — 목록 + 상세 (page-blog)
   ========================================================================== */

.page-blog {
  --blog-ink:        #0A2540;
  --blog-ink-soft:   #2a2a2a;
  --blog-text:       #2a2a2a;
  --blog-text-soft:  #3A3A3A;
  --blog-text-sub:   #555;
  --blog-text-dim:   #888;
  --blog-border:     #e5e5e5;
  --blog-bg-soft:    #F5F7FA;
  --blog-bg-dark-2:  #163E6D;
  --blog-accent:     #00A8B5;
  --blog-accent-2:   #00D4FF;
  --blog-marker:     #C7F0F5;
  --blog-container:  800px;
  --blog-list-w:     980px;
}

/* 블로그 전용 컨테이너 — 사이트의 .container (헤더·푸터용) 와 분리 */
.bl-wrap,
.bd-wrap {
  width: 100%;
  margin: 0 auto;
  padding: 0 32px;
}
/* 목록은 헤더·카드 정렬을 위해 가운데, 상세는 본문 가독성을 위해 좌측 정렬 */
.bl-wrap {
  max-width: var(--container-max-wide);
  text-align: center;
}
.bd-wrap {
  max-width: var(--blog-container);
  text-align: left;
}

/* ===== 목록 — 헤더 ===== */
.bl-head {
  padding: 64px 0 28px;
  border-bottom: 1px solid var(--blog-border);
}
.bl-head__title {
  font-size: clamp(28px, 3vw, 36px);
  font-weight: 800;
  color: var(--blog-ink);
  letter-spacing: -0.5px;
  margin: 0 0 10px;
}
.bl-head__sub {
  font-size: 15px;
  color: var(--blog-text-sub);
  line-height: 1.6;
}

/* ===== 목록 — 필터 칩 ===== */
.bl-list-section {
  padding: 36px 0 80px;
}

.bl-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}
.bl-filter__chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid var(--blog-border);
  background: #fff;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--blog-text-sub);
  cursor: pointer;
  transition: border-color .15s, background .15s, color .15s;
  font-family: inherit;
}
.bl-filter__chip:hover {
  border-color: var(--blog-ink);
  color: var(--blog-ink);
}
.bl-filter__chip.is-active {
  background: var(--blog-ink);
  border-color: var(--blog-ink);
  color: #fff;
}
.bl-filter__count {
  font-size: 12px;
  font-weight: 700;
  opacity: 0.7;
}
.bl-filter__chip.is-active .bl-filter__count { opacity: 0.9; }
.bl-filter__empty {
  margin-top: 24px;
  color: var(--blog-text-dim);
  font-size: 14px;
}

/* ===== 목록 — 카드 그리드 (hero + meta 2영역) ===== */
.bl-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
}
.bl-card {
  border-radius: 14px;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--blog-border);
  transition: border-color .2s, box-shadow .2s, transform .2s;
}
.bl-card:hover {
  border-color: var(--blog-ink);
  box-shadow: 0 10px 28px rgba(10, 37, 64, 0.1);
  transform: translateY(-3px);
}
.bl-card__link {
  display: flex;
  flex-direction: column;
  height: 100%;
  color: inherit;
  text-decoration: none;
}

/* 카드 상단 hero — 옅은 톤 + 타이틀 prominent + 해시태그 */
.bl-card__hero {
  position: relative;
  background: linear-gradient(180deg, #EDF2F7 0%, #E8EFF7 100%);
  padding: 30px 26px 22px;
  min-height: 220px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.bl-card__brand {
  display: inline-flex;
  align-items: center;
  opacity: 0.85;
}
.bl-card__brand img {
  display: block;
  height: 18px;
  width: auto;
}
.bl-card__title {
  font-size: 19px;
  font-weight: 800;
  line-height: 1.42;
  color: var(--blog-ink);
  letter-spacing: -0.4px;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-align: left;
  flex: 1;
}
/* 카드 하단 meta — 요약 / 날짜 / 카테고리 pill */
.bl-card__meta {
  padding: 20px 26px 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex: 1;
}
.bl-card__summary {
  font-size: 14px;
  color: var(--blog-text-sub);
  line-height: 1.65;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}
.bl-card__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 12.5px;
}
.bl-card__date {
  color: var(--blog-text-dim);
  font-weight: 500;
  margin-left: auto;
}
.bl-card__cat {
  background: var(--blog-bg-soft);
  color: var(--blog-text-sub);
  padding: 4px 10px;
  border-radius: 6px;
  font-weight: 600;
}

/* ===== 상세 — 컨테이너 ===== */
.bd-article {
  padding: 60px 0 80px;
}

/* Flex shell — sidebar / main / 빈 ::after 3-item 을 justify-content: center 로
   묶어, main 을 화면 정중앙에 위치시키고 좌측에 sticky Contents 배치. */
.bd-shell {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 40px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 32px;
  text-align: left;
}
.bd-shell::after {
  content: "";
  flex: 0 0 240px;
}
.bd-side {
  flex: 0 0 240px;
  position: sticky;
  top: 96px;
  align-self: flex-start;
}
.bd-main {
  flex: 0 0 var(--blog-container);
  min-width: 0;
  max-width: 100%;
}

@media (max-width: 1280px) {
  .bd-shell {
    flex-direction: column;
    gap: 36px;
    padding: 0 22px;
    max-width: var(--blog-container);
  }
  .bd-shell::after { display: none; }
  .bd-side {
    flex: 0 0 auto;
    width: 100%;
    position: static;
    top: auto;
  }
  .bd-main { flex: 0 0 auto; width: 100%; }
}

/* ===== 상세 — 헤더 ===== */
.bd-article__head { margin-bottom: 56px; }
.bd-article__cat {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--blog-accent);
  letter-spacing: 0.4px;
  margin-bottom: 16px;
  text-transform: uppercase;
}
.bd-article__title {
  font-size: 38px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--blog-ink);
  letter-spacing: -0.9px;
  margin: 0 0 24px;
}
.bd-article__summary {
  background: var(--blog-bg-soft);
  border-left: 4px solid var(--blog-ink);
  padding: 24px 28px;
  border-radius: 8px;
  font-size: 16.5px;
  color: var(--blog-text-soft);
  line-height: 1.75;
  margin-bottom: 20px;
}
.bd-article__date {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--blog-text-dim);
  margin: 0;
  letter-spacing: 0.2px;
}

@media (max-width: 720px) {
  .bd-article__title { font-size: 28px; letter-spacing: -0.5px; }
}

/* ===== 상세 — TOC (좌측 sticky 사이드바) ===== */
.bd-toc {
  background: #fff;
}
.bd-toc__title {
  font-size: 14px;
  font-weight: 700;
  color: var(--blog-ink);
  letter-spacing: 0.8px;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.bd-toc ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.bd-toc ul li a {
  display: block;
  color: var(--blog-text-sub);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.55;
  padding-left: 12px;
  border-left: 2px solid transparent;
  transition: color .18s, border-color .18s, font-weight .18s;
}
.bd-toc ul li a:hover {
  color: var(--blog-ink);
}
/* 스크롤 위치에 따라 활성화된 항목 표시 (scroll-spy) */
.bd-toc ul li a.is-active {
  color: var(--blog-ink);
  font-weight: 700;
  border-left-color: var(--blog-ink);
}

/* ===== 상세 — 본문 typography =====
   호흡: p 24, h2 56/24, h3 40/16, list 16/24, 비주얼 블록 40/40 */
.bd-article__body { scroll-behavior: smooth; }
.bd-article__body p {
  font-size: 17px;
  line-height: 1.85;
  color: var(--blog-text);
  margin: 0 0 24px;
}
.bd-article__body h2 {
  font-size: 26px;
  font-weight: 800;
  color: var(--blog-ink);
  margin: 56px 0 24px;
  letter-spacing: -0.6px;
  scroll-margin-top: 96px;
  line-height: 1.35;
}
.bd-article__body h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--blog-ink);
  margin: 40px 0 16px;
  letter-spacing: -0.3px;
  line-height: 1.4;
}
.bd-article__body strong {
  font-weight: 700;
  color: var(--blog-ink);
}
.bd-article__body em {
  font-style: normal;
  background: linear-gradient(transparent 60%, var(--blog-marker) 60%);
  padding: 0 3px;
  font-weight: 600;
  color: var(--blog-ink);
}
.bd-article__body ul {
  margin: 16px 0 24px;
  padding-left: 0;
  list-style: none;
}
.bd-article__body ul li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 10px;
  font-size: 17px;
  line-height: 1.75;
  color: var(--blog-text);
}
.bd-article__body ul li::before {
  content: "•";
  position: absolute;
  left: 4px;
  top: -1px;
  color: var(--blog-accent);
  font-weight: 700;
  font-size: 18px;
}
.bd-article__body ul li:last-child { margin-bottom: 0; }

/* ===== 상세 — quote (네이비 인용) ===== */
.bd-quote {
  background: var(--blog-ink);
  color: #fff;
  padding: 32px 36px;
  border-radius: 12px;
  margin: 40px 0;
  font-size: 18px;
  font-weight: 500;
  line-height: 1.75;
  position: relative;
}
.bd-quote::before {
  content: "\201C";
  position: absolute;
  top: 8px;
  left: 22px;
  font-size: 60px;
  color: var(--blog-accent-2);
  font-weight: 800;
  line-height: 1;
}
.bd-quote p {
  color: #fff !important;
  margin: 0 0 0 32px !important;
  font-size: 18px !important;
  line-height: 1.75 !important;
}
.bd-quote__cite {
  display: block;
  margin: 16px 0 0 32px;
  font-size: 13.5px;
  color: var(--blog-accent-2);
  font-weight: 600;
  font-style: normal;
  letter-spacing: 0.2px;
}

/* ===== 상세 — stat highlight (수치 강조) ===== */
.bd-stat {
  background: linear-gradient(135deg, var(--blog-ink) 0%, var(--blog-bg-dark-2) 100%);
  color: #fff;
  padding: 40px 32px;
  border-radius: 12px;
  margin: 40px 0;
  text-align: center;
}
.bd-stat__num {
  font-size: 64px;
  font-weight: 900;
  color: var(--blog-accent-2);
  line-height: 1;
  margin-bottom: 10px;
  letter-spacing: -2px;
}
.bd-stat__label {
  font-size: 17px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 8px;
  letter-spacing: -0.2px;
}
.bd-stat__sub {
  font-size: 13.5px;
  color: #B8C4D9;
  line-height: 1.6;
}

@media (max-width: 720px) {
  .bd-stat__num { font-size: 48px; letter-spacing: -1.4px; }
}

/* ===== 상세 — 3-step 카드 ===== */
.bd-steps {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 40px 0;
}
.bd-step {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 24px 28px;
  border-radius: 12px;
  border: 1px solid var(--blog-border);
  background: #fff;
  transition: border-color .2s, box-shadow .2s, transform .2s;
}
.bd-step:hover {
  border-color: var(--blog-ink);
  box-shadow: 0 6px 20px rgba(10, 37, 64, 0.08);
  transform: translateY(-1px);
}
.bd-step__num {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--blog-ink);
  color: var(--blog-accent-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 18px;
}
.bd-step--accent .bd-step__num {
  background: var(--blog-accent-2);
  color: var(--blog-ink);
}
.bd-step__body { min-width: 0; }
.bd-step__en {
  display: block;
  font-size: 12.5px;
  color: var(--blog-accent);
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: 0.4px;
}
.bd-step__h {
  font-size: 17.5px;
  font-weight: 700;
  color: var(--blog-ink);
  margin: 0 0 8px;
  letter-spacing: -0.2px;
  line-height: 1.4;
}
.bd-step .bd-step__body p {
  font-size: 15px !important;
  color: var(--blog-text-sub) !important;
  margin: 0 !important;
  line-height: 1.7 !important;
}

/* ===== 상세 — fit section (이런 팀이라면 ...) ===== */
.bd-fit {
  background: var(--blog-bg-soft);
  padding: 32px 36px;
  border-radius: 12px;
  margin: 56px 0 40px;
}
.bd-fit h2 {
  font-size: 22px !important;
  margin: 0 0 18px !important;
  line-height: 1.35 !important;
}
.bd-fit .bd-fit__list,
.bd-fit ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
.bd-fit ul li {
  font-size: 16px;
  line-height: 1.7;
  margin-bottom: 10px;
}
.bd-fit ul li:last-child { margin-bottom: 0; }
.bd-fit ul li::before {
  content: "✓";
  color: var(--blog-accent);
  font-weight: 800;
  font-size: 15px;
  top: 1px;
}

/* ===== 상세 — FAQ ===== */
.bd-faq { margin-top: 64px; }
.bd-faq h2 { margin-bottom: 16px !important; }
.bd-faq__item {
  border-bottom: 1px solid var(--blog-border);
  padding: 22px 0;
}
.bd-faq__item:last-child { border-bottom: none; }
.bd-faq__q {
  font-size: 17px;
  font-weight: 700;
  color: var(--blog-ink);
  margin-bottom: 12px;
  letter-spacing: -0.2px;
  line-height: 1.5;
}
.bd-faq__a {
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--blog-text-soft);
}

/* ===== 상세 — disclaimer ===== */
.bd-disclaimer {
  border-top: 1px solid var(--blog-border);
  margin-top: 64px;
  padding-top: 28px;
}
.bd-disclaimer p {
  font-size: 13px !important;
  line-height: 1.75 !important;
  color: var(--blog-text-dim) !important;
  margin: 0 !important;
}
.bd-disclaimer strong {
  color: var(--blog-text-sub);
  font-weight: 700;
}

/* ===== 상세 — 글 이동 nav ===== */
.bd-article__nav {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 14px;
  margin-top: 72px;
  padding-top: 32px;
  border-top: 1px solid var(--blog-border);
  text-align: center;
}
.bd-nav-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 20px;
  border: 1px solid var(--blog-border);
  border-radius: 12px;
  color: inherit;
  text-decoration: none;
  transition: border-color .18s, background .18s, transform .18s;
  min-width: 0;
}
.bd-nav-item:hover {
  border-color: var(--blog-ink);
  background: #fff;
  transform: translateY(-1px);
}
.bd-nav-item--next { text-align: right; }
.bd-nav-item--disabled { opacity: 0.5; pointer-events: none; }
.bd-nav-item__label {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--blog-text-dim);
  letter-spacing: 0.2px;
}
.bd-nav-item__title {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--blog-ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: -0.2px;
}
.bd-nav-list {
  align-self: center;
  padding: 9px 20px;
  border-radius: 999px;
  border: 1px solid var(--blog-border);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--blog-text-sub);
  text-decoration: none;
  transition: border-color .15s, color .15s;
}
.bd-nav-list:hover { border-color: var(--blog-ink); color: var(--blog-ink); }

/* ===== 반응형 ===== */
@media (max-width: 1024px) {
  .bl-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
}
@media (max-width: 640px) {
  .bl-grid { grid-template-columns: 1fr; gap: 16px; }
}

@media (max-width: 720px) {
  .bl-wrap, .bd-wrap { padding: 0 22px; }
  .bl-card__hero { padding: 24px 22px 18px; min-height: 180px; }
  .bl-card__title { font-size: 17px; }
  .bl-card__meta { padding: 16px 22px 20px; }
  .bd-article { padding: 40px 0 60px; }
  .bd-article__head { margin-bottom: 36px; }
  .bd-article__title { letter-spacing: -0.5px; }
  .bd-quote { padding: 26px 22px; }
  .bd-quote p { margin-left: 16px !important; font-size: 16px !important; }
  .bd-quote::before { font-size: 44px; }
  .bd-step { padding: 20px; gap: 14px; }
  .bd-fit { padding: 26px 22px; }
  .bd-article__nav { grid-template-columns: 1fr; }
  .bd-nav-item--next { text-align: left; }
  .bd-nav-list { justify-self: center; }
}