/* ================================================================
   blog.css — 블로그 목록 · 개별 글
   ================================================================ */

.blog-hero {
  background: var(--color-bg-light, #F5F5F7);
  padding: 96px 0 56px;
  border-bottom: 1px solid var(--color-border-light, #E0E0E5);
}

.blog-hero__inner {
  max-width: var(--container-narrow, 800px);
  margin: 0 auto;
  text-align: center;
}

.blog-hero__tag {
  font-size: var(--text-xs, 12px);
  font-weight: var(--weight-bold, 700);
  color: var(--color-primary, #0066FF);
  letter-spacing: 1px;
  margin-bottom: var(--space-md, 16px);
}

.blog-hero__h1 {
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: var(--weight-black, 900);
  color: var(--color-text-dark, #0A0A0F);
  line-height: 1.25;
  margin-bottom: var(--space-lg, 24px);
}

.blog-hero__sub {
  font-size: var(--text-body-lg, 18px);
  color: var(--color-text-dark-secondary, #6B7280);
  line-height: 1.75;
}

/* 카테고리 탭 */
.blog-cats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm, 12px);
  padding: var(--space-xl, 32px) 0 var(--space-2xl, 48px);
  max-width: 1000px;
  margin: 0 auto;
}

.blog-cat {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
  font-size: var(--text-small, 14px);
  font-weight: var(--weight-semibold, 600);
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid var(--color-border-light, #E0E0E5);
  background: var(--color-bg-white, #fff);
  color: var(--color-text-dark-secondary, #6B7280);
  cursor: pointer;
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.blog-cat:hover {
  border-color: var(--color-primary, #0066FF);
  color: var(--color-primary, #0066FF);
}

.blog-cat.is-active {
  background: var(--color-primary, #0066FF);
  border-color: var(--color-primary, #0066FF);
  color: #fff;
}

/* 글 그리드 */
.blog-grid-wrap {
  padding-bottom: var(--space-3xl, 64px);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl, 32px);
  list-style: none;
  margin: 0;
  padding: 0;
}

.blog-card {
  margin: 0;
}

.blog-card.is-hidden {
  display: none;
}

.blog-card__link {
  display: flex;
  flex-direction: column;
  height: 100%;
  text-decoration: none;
  color: inherit;
  background: var(--color-bg-white, #fff);
  border: 1px solid var(--color-border-light, #E0E0E5);
  border-radius: var(--radius-xl, 16px);
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.blog-card__link:hover {
  border-color: var(--color-primary, #0066FF);
  box-shadow: 0 12px 32px rgba(0, 102, 255, 0.1);
}

.blog-card__thumb {
  aspect-ratio: 16 / 9;
  background: var(--color-bg-light, #F5F5F7);
  overflow: hidden;
}

.blog-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blog-card__body {
  padding: var(--space-lg, 24px);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm, 12px);
  flex: 1;
}

.blog-card__label {
  font-size: var(--text-xs, 12px);
  font-weight: var(--weight-bold, 700);
  color: var(--color-primary, #0066FF);
  letter-spacing: 0.04em;
}

.blog-card__title {
  font-size: var(--text-body-lg, 18px);
  font-weight: var(--weight-bold, 700);
  color: var(--color-text-dark, #0A0A0F);
  line-height: 1.35;
  margin: 0;
}

.blog-card__excerpt {
  font-size: var(--text-body, 16px);
  color: var(--color-text-dark-secondary, #6B7280);
  line-height: 1.55;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.blog-card__meta {
  font-size: var(--text-small, 14px);
  color: var(--color-text-dark-secondary, #9CA3AF);
  margin-top: auto;
}

/* 개별 글 */
.blog-post-hero {
  padding: 88px 0 var(--space-2xl, 48px);
  background: var(--color-bg-light, #F5F5F7);
  border-bottom: 1px solid var(--color-border-light, #E0E0E5);
}

.blog-post-hero__inner {
  max-width: var(--container-narrow, 800px);
  margin: 0 auto;
}

.blog-post-hero__cat {
  display: inline-block;
  font-size: var(--text-xs, 12px);
  font-weight: var(--weight-bold, 700);
  color: var(--color-primary, #0066FF);
  margin-bottom: var(--space-md, 16px);
}

.blog-post-hero__h1 {
  font-size: clamp(26px, 3vw, 36px);
  font-weight: var(--weight-black, 900);
  color: var(--color-text-dark, #0A0A0F);
  line-height: 1.3;
  margin: 0 0 var(--space-lg, 24px);
}

.blog-post-hero__meta {
  font-size: var(--text-small, 14px);
  color: var(--color-text-dark-secondary, #6B7280);
}

.blog-post-body {
  max-width: var(--container-narrow, 800px);
  margin: 0 auto;
  padding: var(--space-3xl, 64px) var(--space-md, 16px) var(--space-3xl, 64px);
}

.blog-prose {
  font-size: var(--text-body-lg, 18px);
  line-height: 1.8;
  color: var(--color-text-dark, #0A0A0F);
}

.blog-prose > p {
  margin: 0 0 1.25em;
}

.blog-prose p.lead {
  font-size: 1.08em;
  font-weight: var(--weight-medium, 500);
}

.blog-prose h2 {
  font-size: var(--text-h3, 22px);
  font-weight: var(--weight-bold, 700);
  margin: 2em 0 0.75em;
  line-height: 1.35;
}

.blog-prose h3 {
  font-size: var(--text-body-lg, 18px);
  font-weight: var(--weight-bold, 700);
  margin: 1.5em 0 0.5em;
}

.blog-prose ul,
.blog-prose ol {
  margin: 0 0 1.25em;
  padding-left: 1.35em;
}

.blog-prose li {
  margin-bottom: 0.35em;
}

.blog-prose a {
  color: var(--color-primary, #0066FF);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.blog-prose a:hover {
  color: var(--color-text-dark, #0A0A0F);
}

.blog-prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-body, 16px);
  margin: 1.5em 0;
}

.blog-prose th,
.blog-prose td {
  border: 1px solid var(--color-border-light, #E0E0E5);
  padding: 10px 14px;
  text-align: left;
}

.blog-prose th {
  background: var(--color-bg-light, #F5F5F7);
}

.blog-prose figure {
  margin: 1.75em 0;
}

.blog-prose img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg, 12px);
}

.blog-prose .blog-faq {
  margin-top: 2.5em;
  padding: var(--space-xl, 32px);
  background: var(--color-bg-light, #F5F5F7);
  border-radius: var(--radius-lg, 12px);
}

.blog-prose .blog-faq h2 {
  margin-top: 0;
}

.blog-prose .blog-faq-item {
  margin-bottom: var(--space-lg, 24px);
}

.blog-prose .blog-faq-item:last-child {
  margin-bottom: 0;
}

.blog-prose .blog-faq-q {
  font-weight: var(--weight-bold, 700);
  margin-bottom: 0.35em;
}

.blog-cta-block {
  max-width: var(--container-narrow, 800px);
  margin: 0 auto var(--space-3xl, 64px);
  padding: var(--space-2xl, 48px);
  border-radius: var(--radius-xl, 16px);
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.08) 0%, rgba(0, 229, 160, 0.08) 100%);
  border: 1px solid var(--color-border-light, #E0E0E5);
  text-align: center;
}

.blog-cta-block__title {
  font-size: var(--text-h3, 22px);
  font-weight: var(--weight-bold, 700);
  margin: 0 0 var(--space-md, 16px);
  color: var(--color-text-dark, #0A0A0F);
}

.blog-cta-block__sub {
  font-size: var(--text-body, 16px);
  color: var(--color-text-dark-secondary, #6B7280);
  margin: 0 0 var(--space-xl, 32px);
  line-height: 1.65;
}

.blog-cta-block__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md, 16px);
  justify-content: center;
}

.blog-related {
  max-width: var(--container-narrow, 800px);
  margin: 0 auto;
  padding: 0 var(--space-md, 16px) var(--space-3xl, 64px);
}

.blog-related__h2 {
  font-size: var(--text-h3, 22px);
  font-weight: var(--weight-bold, 700);
  margin: 0 0 var(--space-xl, 32px);
  color: var(--color-text-dark, #0A0A0F);
}

.blog-related__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg, 24px);
}

.blog-related__more {
  margin-top: var(--space-xl, 32px);
  text-align: center;
}

.blog-related__more a {
  font-weight: var(--weight-semibold, 600);
  color: var(--color-primary, #0066FF);
  text-decoration: none;
}

.blog-related__more a:hover {
  text-decoration: underline;
}

.blog-related-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm, 8px);
  padding: var(--space-lg, 24px);
  border: 1px solid var(--color-border-light, #E0E0E5);
  border-radius: var(--radius-lg, 12px);
  background: var(--color-bg-white, #fff);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.blog-related-card:hover {
  border-color: var(--color-primary, #0066FF);
  box-shadow: 0 8px 24px rgba(0, 102, 255, 0.08);
}

.blog-related-card__title {
  font-size: var(--text-body, 16px);
  font-weight: var(--weight-bold, 700);
  color: var(--color-text-dark, #0A0A0F);
  line-height: 1.4;
}

@media (max-width: 1023px) {
  .blog-grid,
  .blog-related__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .blog-grid,
  .blog-related__grid {
    grid-template-columns: 1fr;
  }

  .blog-cats {
    justify-content: flex-start;
  }

  .blog-cta-block__actions {
    flex-direction: column;
  }

  .blog-cta-block__actions .btn {
    width: 100%;
  }
}