@import url('https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wght@12..96,600;12..96,700;12..96,800&family=DM+Sans:wght@400;500;600&family=JetBrains+Mono:wght@400&display=swap');

:root {
    --blue: #0055ff;
    --blue-hover: #003ecb;
    --blue-light: #eef4ff;
    --black: #0c0c0d;
    --gray-700: #374151;
    --gray-600: #4b5563;
    --gray-500: #6b7280;
    --gray-400: #9ca3af;
    --gray-300: #d1d5db;
    --gray-200: #e5e7eb;
    --gray-100: #f3f4f6;
    --gray-50: #f9fafb;
    --white: #ffffff;
    --code-bg: #0c0c0d;
    --radius: 6px;
    --font-display: 'Bricolage Grotesque', sans-serif;
    --font-body: 'DM Sans', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: var(--font-body); color: var(--black); line-height: 1.8; -webkit-font-smoothing: antialiased; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Nav */
nav { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,0.88); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--gray-200); }
.nav-inner { max-width: 1080px; margin: 0 auto; padding: 14px 24px; display: flex; justify-content: space-between; align-items: center; }
.logo { font-family: var(--font-display); font-size: 20px; font-weight: 700; color: var(--black); letter-spacing: -0.5px; text-decoration: none; }
.logo span { color: var(--blue); }
.nav-links { display: flex; gap: 28px; align-items: center; font-size: 14px; font-weight: 500; }
.nav-links a { color: var(--gray-600); text-decoration: none; transition: color 0.15s; }
.nav-links a:hover { color: var(--black); text-decoration: none; }
.nav-cta { background: var(--blue); color: var(--white) !important; padding: 7px 18px; border-radius: 4px; font-weight: 600; font-size: 13px; transition: background 0.15s; }
.nav-cta:hover { background: var(--blue-hover); text-decoration: none; }

/* Article */
.article-container { max-width: 720px; margin: 0 auto; padding: 48px 24px 80px; }
.breadcrumb { font-size: 13px; color: var(--gray-400); margin-bottom: 24px; }
.breadcrumb a { color: var(--gray-500); }
h1 { font-family: var(--font-display); font-size: 34px; font-weight: 700; line-height: 1.15; letter-spacing: -1px; margin-bottom: 14px; }
.meta { font-size: 13px; color: var(--gray-400); margin-bottom: 40px; font-family: var(--font-mono); }
h2 { font-family: var(--font-display); font-size: 22px; font-weight: 700; margin-top: 40px; margin-bottom: 14px; letter-spacing: -0.5px; }
h3 { font-size: 17px; font-weight: 600; margin-top: 28px; margin-bottom: 10px; }
p { font-size: 15px; color: var(--gray-700); margin-bottom: 16px; line-height: 1.75; }
ul, ol { padding-left: 24px; margin-bottom: 16px; }
li { font-size: 15px; color: var(--gray-700); margin-bottom: 8px; line-height: 1.7; }
pre { background: var(--code-bg); color: #e2e8f0; border-radius: var(--radius); padding: 24px; overflow-x: auto; margin-bottom: 24px; font-size: 13.5px; line-height: 1.7; }
code { font-family: var(--font-mono); }
p code, li code { background: var(--gray-100); padding: 2px 6px; border-radius: 3px; font-size: 13px; color: var(--black); }
blockquote { border-left: 3px solid var(--blue); padding-left: 20px; margin: 24px 0; color: var(--gray-500); font-style: italic; }
table { width: 100%; border-collapse: collapse; margin-bottom: 24px; }
th, td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--gray-200); font-size: 14px; }
th { color: var(--gray-500); font-weight: 600; text-transform: uppercase; font-size: 11px; letter-spacing: 0.5px; font-family: var(--font-mono); }

/* Status notice */
.notice { background: #fffbeb; border: 1px solid #fde68a; border-radius: var(--radius); padding: 14px 18px; margin-bottom: 28px; font-size: 14px; color: #92400e; line-height: 1.6; }
.notice a { color: #92400e; text-decoration: underline; }
.notice a:hover { color: #78350f; }

/* Article CTA */
.article-cta { background: var(--blue-light); border: 1px solid var(--gray-200); border-radius: var(--radius); padding: 28px; text-align: center; margin: 40px 0; }
.article-cta h3 { margin-top: 0; color: var(--blue); font-family: var(--font-display); }
.article-cta p { color: var(--gray-500); margin-bottom: 14px; }
.article-cta .btn { display: inline-block; background: var(--blue); color: var(--white); padding: 10px 24px; border-radius: 4px; font-weight: 600; text-decoration: none; transition: background 0.15s; }
.article-cta .btn:hover { background: var(--blue-hover); }

.related { border-top: 1px solid var(--gray-200); padding-top: 40px; margin-top: 48px; }
.related h3 { font-size: 18px; margin-bottom: 14px; margin-top: 0; font-family: var(--font-display); }
.related ul { list-style: none; padding: 0; }
.related li { padding: 6px 0; }
.related a { font-size: 15px; font-weight: 500; }

/* Blog index */
.blog-header { text-align: center; padding: 56px 24px 36px; }
.blog-header h1 { font-size: 36px; margin-bottom: 10px; }
.blog-header p { font-size: 16px; color: var(--gray-500); max-width: 520px; margin: 0 auto; }
.blog-grid { max-width: 900px; margin: 0 auto; padding: 0 24px 80px; display: grid; grid-template-columns: repeat(auto-fill, minmax(380px, 1fr)); gap: 16px; }
.blog-card { border: 1px solid var(--gray-200); border-radius: var(--radius); padding: 24px; transition: border-color 0.15s; }
.blog-card:hover { border-color: var(--gray-300); }
.blog-card h2 { font-family: var(--font-display); font-size: 17px; font-weight: 700; margin: 0 0 6px; line-height: 1.3; }
.blog-card h2 a { color: var(--black); text-decoration: none; }
.blog-card h2 a:hover { color: var(--blue); text-decoration: none; }
.blog-card p { font-size: 13px; color: var(--gray-500); margin: 0 0 10px; line-height: 1.55; }
.blog-card .tag { display: inline-block; background: var(--blue-light); color: var(--blue); font-size: 11px; font-weight: 600; padding: 2px 8px; border-radius: 3px; margin-right: 6px; font-family: var(--font-mono); letter-spacing: 0.3px; }
.blog-card .date { font-size: 12px; color: var(--gray-400); font-family: var(--font-mono); }

/* Footer */
footer { padding: 36px 0; text-align: center; color: var(--gray-400); font-size: 13px; border-top: 1px solid var(--gray-200); }
footer a { color: var(--gray-500); margin: 0 10px; text-decoration: none; transition: color 0.15s; }
footer a:hover { color: var(--black); }
.footer-links { margin-bottom: 10px; }

@media (max-width: 768px) {
    h1 { font-size: 26px; }
    .nav-links { gap: 14px; font-size: 13px; }
    .nav-cta { padding: 6px 14px; }
    .blog-grid { grid-template-columns: 1fr; }
}