:root {
    --bg-page: #f6f5f0;
    --bg-card: #ffffff;
    --text-primary: #212529;
    --text-muted: #5c636a;
    --accent: #9e2a2b;
    --accent-hover: #782021;
    --border: #e0ded7;
    --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
    background-color: var(--bg-page);
    color: var(--text-primary);
    font-family: var(--font-stack);
    font-size: 16px;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}
.container { width: 100%; max-width: 1040px; margin: 0 auto; padding: 0 20px; }
.site-header { background: #ffffff; border-bottom: 2px solid var(--border); padding: 16px 0; }
.header-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 15px; }
.logo { display: flex; align-items: center; gap: 12px; text-decoration: none; color: inherit; }
.logo-mark { font-size: 32px; line-height: 1; }
.logo-text strong { display: block; font-size: 1.15rem; color: var(--accent); letter-spacing: 0.5px; }
.logo-text small { display: block; font-size: 0.8rem; color: var(--text-muted); }
.main-nav { display: flex; gap: 20px; }
.main-nav a { text-decoration: none; color: var(--text-muted); font-size: 0.95rem; font-weight: 500; transition: color 0.15s ease; }
.main-nav a:hover, .main-nav a.active { color: var(--accent); }
.hero { padding: 40px 0 30px; border-bottom: 1px solid var(--border); margin-bottom: 35px; }
.hero h1 { font-size: 2.1rem; line-height: 1.25; margin-bottom: 12px; color: #1a1a1a; }
.hero-lead { font-size: 1.15rem; color: var(--text-muted); max-width: 820px; }
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; margin-bottom: 45px; }
.card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 6px; padding: 22px; box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04); }
.badge { display: inline-block; background: #f0ede4; color: var(--accent); font-size: 0.75rem; font-weight: 600; padding: 3px 8px; border-radius: 3px; margin-bottom: 12px; }
.card h2 { font-size: 1.25rem; margin-bottom: 10px; line-height: 1.35; }
.card p { font-size: 0.95rem; color: #444; margin-bottom: 16px; }
.card-meta { font-size: 0.8rem; color: var(--text-muted); border-top: 1px solid #f1f1ec; padding-top: 10px; }
.tech-notes { background: var(--bg-card); border: 1px solid var(--border); border-radius: 6px; padding: 24px; margin-bottom: 45px; }
.tech-notes h2 { font-size: 1.3rem; margin-bottom: 18px; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; text-align: left; }
th, td { padding: 10px 14px; border-bottom: 1px solid var(--border); }
th { background: #faf9f6; color: var(--text-muted); font-weight: 600; }
.content-page { padding: 40px 20px; max-width: 800px; flex-grow: 1; }
.content-page h1 { font-size: 2rem; margin-bottom: 16px; }
.content-page .lead { font-size: 1.15rem; color: var(--text-muted); margin-bottom: 24px; }
.content-page h2 { font-size: 1.3rem; margin: 28px 0 12px; }
.content-page p, .content-page ul { margin-bottom: 16px; color: #333; }
.content-page ul { padding-left: 24px; }
.contact-box { background: #fdfdfc; border-left: 4px solid var(--accent); padding: 12px 16px; border-radius: 0 4px 4px 0; }
.error-page { flex-grow: 1; display: flex; align-items: center; justify-content: center; text-align: center; padding: 60px 20px; }
.error-code { font-size: 5rem; font-weight: 800; color: var(--accent); line-height: 1; }
.error-box h1 { font-size: 1.6rem; margin: 15px 0 12px; }
.error-box p { color: var(--text-muted); margin-bottom: 24px; }
.btn { display: inline-block; background: var(--accent); color: #ffffff; text-decoration: none; padding: 10px 20px; border-radius: 4px; font-weight: 500; }
.btn:hover { background: var(--accent-hover); }
.site-footer { margin-top: auto; background: #ffffff; border-top: 1px solid var(--border); padding: 24px 0; font-size: 0.85rem; color: var(--text-muted); }
.footer-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 15px; }
.footer-links { display: flex; gap: 15px; }
.footer-links a { color: var(--text-muted); text-decoration: none; }
.footer-links a:hover { color: var(--accent); }
code { background: #edece6; padding: 2px 5px; border-radius: 3px; font-size: 0.9em; }