@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --navy-900: #071229; --navy-800: #0C1C3B; --navy-700: #122A52;
  --blue-400: #4E8FF2; --blue-500: #1E52C8; --blue-600: #163F9C; --cyan: #29D3E8;
  --gray-50: #F5F7FA; --gray-100: #E9EDF2; --gray-500: #6B7686; --gray-800: #1E2733;
  --bg-alt: var(--gray-50); --text: var(--gray-800); --text-soft: var(--gray-500); --border: var(--gray-100);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Inter', sans-serif; color: var(--text); line-height: 1.7; }
h1, h2, h3 { font-family: 'Space Grotesk', sans-serif; }
a { color: var(--blue-500); }
.container { max-width: 760px; margin: 0 auto; padding: 0 24px; }

.navbar { background: var(--navy-900); padding: 16px 0; }
.navbar .container { max-width: 1140px; display: flex; align-items: center; justify-content: space-between; }
.navbar a.logo { font-family: 'Space Grotesk', sans-serif; font-weight: 700; color: #fff; font-size: 16px; text-decoration: none; }
.navbar a.logo span { color: var(--cyan); }
.navbar a.back { color: #AEBBD4; font-family: 'JetBrains Mono', monospace; font-size: 13px; text-decoration: none; }
.navbar a.back:hover { color: var(--cyan); }

.article-hero { background: linear-gradient(180deg, var(--navy-900) 0%, var(--navy-800) 100%); padding: 60px 0 50px; }
.article-hero .container { max-width: 760px; }
.article-meta { font-family: 'JetBrains Mono', monospace; font-size: 12.5px; color: var(--cyan); margin-bottom: 14px; letter-spacing: 0.06em; }
.article-hero h1 { color: #fff; font-size: 34px; line-height: 1.25; margin-bottom: 14px; }
.article-sub { color: #AEB9C7; font-size: 16px; }

.article-body { padding: 50px 0 80px; }
.article-body p { margin-bottom: 20px; font-size: 16px; }
.article-body h2 { font-size: 22px; margin: 36px 0 14px; }
.article-body ul, .article-body ol { margin: 0 0 20px 22px; }
.article-body li { margin-bottom: 8px; font-size: 16px; }
.article-body code { font-family: 'JetBrains Mono', monospace; background: var(--bg-alt); padding: 2px 6px; border-radius: 4px; font-size: 14px; }
.article-body .callout { background: var(--bg-alt); border-left: 3px solid var(--blue-500); padding: 16px 20px; border-radius: 6px; margin-bottom: 24px; font-size: 15px; color: var(--text-soft); }

.article-footer { border-top: 1px solid var(--border); padding-top: 28px; margin-top: 20px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 14px; }
.share-row { display: flex; gap: 10px; }
.share-row a { font-family: 'JetBrains Mono', monospace; font-size: 12.5px; padding: 8px 14px; border-radius: 20px; border: 1px solid var(--border); text-decoration: none; color: var(--text); }
.share-row a:hover { border-color: var(--blue-500); color: var(--blue-500); }

footer.site-footer { background: var(--navy-900); color: #8291A3; padding: 30px 0; text-align: center; font-size: 13px; }
footer.site-footer strong { color: #fff; }

@media (max-width: 600px) { .article-hero h1 { font-size: 26px; } }