/* 블로그(/blog/) 공용 스타일 — 토큰과 상단 바·푸터는 index.html 과 같게 맞춘다 */
@font-face { font-family: "Figtree"; src: url("/assets/fonts/figtree-latin-500.ttf") format("truetype"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Figtree"; src: url("/assets/fonts/figtree-latin-600.ttf") format("truetype"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Figtree"; src: url("/assets/fonts/figtree-latin-700.ttf") format("truetype"); font-weight: 700 900; font-display: swap; }

:root {
  --n0: #FFFFFF; --n25: #F8F7F6; --n50: #F6F5F2; --n100: #E6E4DF; --n200: #D7D5CF;
  --n300: #B7B4AD; --n500: #79766F; --n700: #43413C; --n800: #2F2E2D; --n900: #1E1D1C; --n950: #121211;
  --g50: #EEFFEB; --g75: #DAFBD5; --g100: #C6F5BE; --g200: #A3F394; --g400: #52E838; --g500: #20D100; --g600: #1AAD00; --g700: #127A00;
  --red: #FB4D4D;
  --font: "Figtree", "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  --wrap: 1180px;
  --read: 720px;
  --r-lg: 28px;
  --ease: cubic-bezier(.2,.8,.2,1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; font-family: var(--font); color: var(--n900); background: var(--n25);
  font-size: 17px; line-height: 1.6; letter-spacing: -0.01em; word-break: keep-all;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { margin: 0; letter-spacing: -0.035em; line-height: 1.25; font-weight: 800; }
p { margin: 0; }
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.read { max-width: var(--read); margin: 0 auto; }

/* ── 상단 바 ── */
.nav { position: sticky; top: 0; z-index: 50; height: 68px; display: flex; align-items: center; background: var(--n950); border-bottom: 1px solid rgba(255,255,255,.06); }
.nav .wrap { display: flex; align-items: center; gap: 28px; }
.logo { display: flex; align-items: center; text-decoration: none; }
.logo img { height: 28px; width: auto; }
.nav-links { display: flex; gap: 24px; margin-left: auto; }
.nav-links a { color: rgba(255,255,255,.72); text-decoration: none; font-size: 15px; font-weight: 600; transition: color .2s; }
.nav-links a:hover, .nav-links a[aria-current] { color: #fff; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 50px; padding: 0 22px; border-radius: 999px; border: 0; cursor: pointer;
  font: 700 16px/1 var(--font); text-decoration: none; white-space: nowrap;
  transition: transform .2s var(--ease), box-shadow .2s, background .2s;
}
.btn:active { transform: scale(.97); }
.btn-green { background: var(--g400); color: var(--n950); }
.btn-green:hover { box-shadow: 0 10px 34px -8px rgba(82,232,56,.7); transform: translateY(-1px); }
.btn-ghost { background: rgba(255,255,255,.08); color: #fff; border: 1px solid rgba(255,255,255,.14); }
.btn-ghost:hover { background: rgba(255,255,255,.14); }

/* ── 목록 머리 ── */
.blog-head { background: var(--n950); color: #fff; padding: 72px 0 80px; position: relative; overflow: hidden; isolation: isolate; }
.blog-head::before { content: ""; position: absolute; z-index: -1; width: 700px; height: 700px; right: -200px; top: -300px; background: radial-gradient(closest-side, rgba(82,232,56,.24), transparent 72%); }
.tag { display: inline-block; font-size: 14px; font-weight: 800; color: var(--g700); letter-spacing: 0.02em; }
.blog-head .tag { color: var(--g400); margin-bottom: 14px; }
.blog-head h1 { font-size: clamp(34px, 4.6vw, 54px); letter-spacing: -0.045em; }
.blog-head p { margin-top: 16px; max-width: 620px; font-size: 18px; color: rgba(255,255,255,.65); line-height: 1.7; }

/* ── 글 목록 ── */
.posts { padding: 64px 0 120px; }
.post-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 18px; }
.card { height: 100%; display: flex; flex-direction: column; gap: 10px; padding: 28px 28px 26px; border-radius: 22px; background: #fff; border: 1px solid var(--n100); text-decoration: none; transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .2s; }
.card:hover { transform: translateY(-4px); box-shadow: 0 24px 50px -28px rgba(30,29,28,.3); border-color: var(--g200); }
.card .meta { font-size: 13px; font-weight: 700; color: var(--n500); display: flex; gap: 8px; flex-wrap: wrap; }
.card .meta b { color: var(--g700); background: var(--g75); padding: 2px 8px; border-radius: 6px; font-weight: 800; }
.card h2 { font-size: 22px; letter-spacing: -0.035em; }
.card p { font-size: 15.5px; color: var(--n700); line-height: 1.65; }
.empty { padding: 56px 28px; border-radius: 22px; background: #fff; border: 1px dashed var(--n200); text-align: center; color: var(--n500); font-weight: 600; }

/* ── 글 머리 ── */
.post { padding: 56px 0 40px; }
.crumbs { font-size: 14px; font-weight: 700; color: var(--n500); }
.crumbs a { text-decoration: none; }
.crumbs a:hover { color: var(--n900); }
.post-head { margin-top: 20px; padding-bottom: 32px; border-bottom: 1px solid var(--n100); }
.post-head .tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 16px; }
.post-head .tags span { font-size: 13px; font-weight: 800; color: var(--g700); background: var(--g75); padding: 4px 10px; border-radius: 999px; }
.post-head h1 { font-size: clamp(30px, 4.4vw, 44px); letter-spacing: -0.045em; }
.post-head .desc { margin-top: 16px; font-size: 18px; color: var(--n700); line-height: 1.7; }
.post-head .date { display: block; margin-top: 18px; font-size: 14px; font-weight: 600; color: var(--n500); }

/* ── 본문 ── */
.prose { padding-top: 36px; font-size: 17.5px; line-height: 1.85; color: var(--n800); }
.prose > * + * { margin-top: 1.1em; }
.prose h2 { margin-top: 2.4em; font-size: 26px; color: var(--n900); scroll-margin-top: 80px; }
.prose h3 { margin-top: 1.9em; font-size: 20px; color: var(--n900); scroll-margin-top: 80px; }
.prose h2 + *, .prose h3 + * { margin-top: .7em; }
.prose strong { color: var(--n900); font-weight: 800; }
.prose a { color: var(--g700); text-underline-offset: 3px; font-weight: 600; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li + li { margin-top: .35em; }
.prose code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .88em; background: var(--n50); border: 1px solid var(--n100); border-radius: 6px; padding: 1px 6px; }
.prose del { color: var(--red); text-decoration-thickness: 2px; }
.prose ins { text-decoration: none; color: var(--g700); font-weight: 800; background: var(--g75); padding: 0 4px; border-radius: 6px; }
.prose blockquote { margin: 1.4em 0 0; padding: 4px 0 4px 20px; border-left: 4px solid var(--g400); color: var(--n700); }
.prose hr { margin: 2.4em 0; border: 0; border-top: 1px solid var(--n100); }
.prose img { border-radius: 18px; margin-left: auto; margin-right: auto; }
.prose .table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: 16px; border: 1px solid var(--n100); background: #fff; }
.prose table { width: 100%; border-collapse: collapse; font-size: 16px; line-height: 1.6; }
.prose th, .prose td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--n100); vertical-align: top; }
.prose thead th { background: var(--n50); font-size: 14px; color: var(--n500); }
.prose tr:last-child td { border-bottom: 0; }

/* 표현 카드 — :::box 제목 … ::: */
.box { padding: 22px 24px; border-radius: 20px; background: #fff; border: 1px solid var(--n100); }
.box > * + * { margin-top: .7em; }
.box .box-title { display: block; font-size: 19px; font-weight: 800; color: var(--n900); letter-spacing: -0.03em; }
/* 팁 — :::tip 제목 … ::: */
.tip { padding: 20px 24px; border-radius: 20px; background: var(--g50); border: 1px solid var(--g75); }
.tip > * + * { margin-top: .6em; }
.tip .box-title { display: block; font-size: 15px; font-weight: 800; color: var(--g700); }

/* ── 앱 안내 ── */
.cta { margin-top: 64px; padding: 36px 36px; border-radius: var(--r-lg); background: var(--n950); color: #fff; display: grid; grid-template-columns: auto 1fr; gap: 24px; align-items: center; position: relative; overflow: hidden; isolation: isolate; }
.cta::before { content: ""; position: absolute; z-index: -1; width: 520px; height: 520px; right: -180px; top: -260px; background: radial-gradient(closest-side, rgba(82,232,56,.28), transparent); }
.cta img { width: 72px; height: 72px; border-radius: 18px; }
.cta h2 { font-size: 22px; }
.cta p { margin-top: 6px; color: rgba(255,255,255,.65); font-size: 15.5px; }
.cta .ctas { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 10px; }

/* ── 다른 글 ── */
.more { padding: 24px 0 120px; }
.more h2 { font-size: 22px; margin-bottom: 18px; }

footer { background: #0b0b0a; color: rgba(255,255,255,.5); font-size: 14px; padding: 48px 0 56px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 18px 40px; justify-content: space-between; align-items: center; }
footer nav { display: flex; gap: 22px; flex-wrap: wrap; }
footer a { text-decoration: none; }
footer a:hover { color: #fff; }

@media (max-width: 720px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  .nav-links { gap: 18px; }
  .nav-links .wide { display: none; }
  .blog-head { padding: 52px 0 56px; }
  .posts { padding: 40px 0 90px; }
  .post-list { grid-template-columns: 1fr; }
  .card { padding: 24px 22px; }
  .post { padding-top: 36px; }
  .prose { font-size: 16.5px; }
  .prose h2 { font-size: 23px; }
  .cta { padding: 28px 22px; grid-template-columns: 1fr; }
  .cta .ctas .btn { flex: 1 1 auto; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}