:root {
  --blog-bg: #f6f6f3;
  --blog-surface: #ffffff;
  --blog-text: #17191e;
  --blog-muted: #626775;
  --blog-line: #d9dbe3;
  --blog-accent: #1b7f73;
  --blog-link: #9f4721;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--blog-text);
  background: var(--blog-bg);
  font-family: "Manrope", "Noto Sans KR", sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--blog-link); }

.blog-shell {
  width: min(1120px, calc(100% - 2.4rem));
  margin: 0 auto;
}

.blog-header {
  border-bottom: 1px solid var(--blog-line);
  background: rgba(246, 246, 243, 0.96);
}

.blog-nav {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.blog-brand img {
  display: block;
  width: auto;
  height: 26px;
}

.blog-nav nav {
  display: flex;
  gap: 1.1rem;
}

.blog-nav nav a {
  color: var(--blog-muted);
  font-size: 0.94rem;
  font-weight: 700;
  text-decoration: none;
}

.blog-nav nav a[aria-current="page"] { color: var(--blog-text); }

.blog-index {
  min-height: calc(100vh - 160px);
  padding: clamp(4rem, 9vw, 7rem) 0;
}

.blog-intro {
  max-width: 780px;
  padding-bottom: 3.2rem;
  border-bottom: 1px solid var(--blog-line);
}

.blog-eyebrow,
.article-category {
  margin: 0 0 0.65rem;
  color: var(--blog-accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.blog-intro h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.7rem);
  line-height: 1.12;
  letter-spacing: -0.035em;
}

.article-header h1 {
  margin: 0;
  font-size: clamp(2rem, 4.4vw, 3.15rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.blog-intro > p:last-child,
.article-description {
  max-width: 720px;
  margin: 1rem 0 0;
  color: var(--blog-muted);
  font-size: 1.06rem;
  line-height: 1.72;
}

.post-list {
  max-width: 860px;
  padding-top: 3rem;
}

.post-list > h2 {
  margin: 0 0 1.5rem;
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.post-item {
  padding: 2rem 0;
  border-top: 1px solid var(--blog-line);
}

.post-item:first-of-type { border-top: 0; }

.post-meta,
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 1rem;
  color: var(--blog-muted);
  font-size: 0.86rem;
  font-weight: 600;
}

.post-item h3 {
  max-width: 720px;
  margin: 0.65rem 0 0;
  font-size: clamp(1.45rem, 3vw, 2rem);
  line-height: 1.28;
}

.post-item h3 a {
  color: var(--blog-text);
  text-decoration: none;
}

.post-item h3 a:hover { text-decoration: underline; }

.post-item > p {
  max-width: 720px;
  margin: 0.75rem 0 0;
  color: var(--blog-muted);
  line-height: 1.68;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.tag-list li {
  padding: 0.28rem 0.52rem;
  border: 1px solid var(--blog-line);
  border-radius: 999px;
  color: var(--blog-muted);
  font-size: 0.76rem;
  font-weight: 700;
}

.article-shell {
  width: min(820px, calc(100% - 2.4rem));
  margin: 0 auto;
  padding: clamp(3.5rem, 8vw, 6rem) 0;
}

.article-header {
  padding-bottom: 2.4rem;
  border-bottom: 1px solid var(--blog-line);
}

.article-meta { margin-top: 1.15rem; }

.blog-content {
  padding-top: 2.2rem;
  font-size: 1.04rem;
  line-height: 1.82;
}

.blog-content h2 {
  margin: 3.2rem 0 0.9rem;
  font-size: clamp(1.45rem, 3vw, 2rem);
  line-height: 1.3;
}

.blog-content h3 {
  margin: 2.2rem 0 0.7rem;
  font-size: 1.25rem;
}

.blog-content p { margin: 0.9rem 0; }

.blog-content ul,
.blog-content ol {
  margin: 1rem 0;
  padding-left: 1.35rem;
}

.blog-content li { margin: 0.38rem 0; }

.blog-content blockquote {
  margin: 2rem 0;
  padding: 1rem 1.1rem;
  border-left: 3px solid var(--blog-accent);
  background: var(--blog-surface);
}

.blog-content blockquote p { margin: 0; }

.blog-content img {
  max-width: 100%;
  height: auto;
}

.blog-content table {
  width: 100%;
  margin: 1.5rem 0;
  border-collapse: collapse;
  background: var(--blog-surface);
}

.blog-content th,
.blog-content td {
  padding: 0.75rem;
  border: 1px solid var(--blog-line);
  text-align: left;
  vertical-align: top;
}

.blog-footer {
  padding: 2rem 0;
  border-top: 1px solid var(--blog-line);
  color: var(--blog-muted);
  font-size: 0.85rem;
}

.blog-footer .blog-shell {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.blog-footer p { margin: 0; }

@media (max-width: 640px) {
  .blog-shell,
  .article-shell { width: min(100% - 1.4rem, 820px); }

  .blog-nav {
    min-height: 58px;
    gap: 0.8rem;
  }

  .blog-nav nav { gap: 0.72rem; }
  .blog-nav nav a { font-size: 0.82rem; }
  .blog-brand img { height: 22px; }
  .blog-index { padding: 3rem 0; }
  .blog-intro { padding-bottom: 2.2rem; }
  .post-list { padding-top: 2rem; }
  .article-shell { padding: 3rem 0; }
  .blog-content { font-size: 1rem; }
  .blog-footer .blog-shell { flex-direction: column; }
}