*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
    --blue: #0F4C81;
    --yellow: #FFC83D;
    --cyan: #5DD6FF;
    --bg: #F6FAFF;
    --text: #0F172A;
    --text-muted: #475569;
    --white: #FFFFFF;
    --radius: 20px;
}
body {
    font-family: 'Nunito', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
.navbar {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(0,0,0,0.06);
    position: sticky;
    top: 0;
    z-index: 100;
}
.navbar-left { display: flex; align-items: center; gap: 12px; }
.navbar-left img { height: 48px; width: auto; }
.navbar-left a { text-decoration: none; color: var(--blue); font-weight: 800; font-size: 1.1rem; }
.navbar-cta {
    background: var(--yellow);
    color: var(--text);
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 0.9rem;
    transition: transform 0.2s;
}
.navbar-cta:hover { transform: scale(1.03); }

/* Article */
.article { max-width: 720px; margin: 0 auto; padding: 40px 24px 80px; }
.article-meta { margin-bottom: 32px; }
.article-meta .breadcrumb {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 16px;
    font-weight: 600;
}
.article-meta .breadcrumb a { color: var(--blue); text-decoration: none; }
.article-meta .breadcrumb a:hover { text-decoration: underline; }
.article-meta h1 {
    font-size: clamp(1.8rem, 4vw, 2.4rem);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 12px;
}
.article-meta .date { font-size: 0.85rem; color: var(--text-muted); font-weight: 600; }

.article h2 {
    font-size: 1.4rem;
    font-weight: 800;
    margin-top: 36px;
    margin-bottom: 12px;
    color: var(--text);
}
.article h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-top: 24px;
    margin-bottom: 8px;
}
.article p {
    font-size: 1rem;
    color: #333;
    margin-bottom: 14px;
    font-weight: 500;
}
.article ul, .article ol {
    padding-left: 24px;
    margin-bottom: 16px;
}
.article li {
    margin-bottom: 8px;
    font-weight: 500;
    color: #333;
}
.article strong { font-weight: 700; color: var(--text); }
.article a { color: var(--blue); }

/* CTA block */
.article-cta {
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    border-radius: var(--radius);
    padding: 32px;
    text-align: center;
    margin: 40px 0;
}
.article-cta h3 { color: var(--white); font-size: 1.3rem; font-weight: 800; margin-bottom: 12px; margin-top: 0; }
.article-cta p { color: rgba(255,255,255,0.8); margin-bottom: 20px; font-weight: 600; }
.article-cta a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--yellow);
    color: var(--text);
    text-decoration: none;
    padding: 14px 32px;
    border-radius: 14px;
    font-weight: 800;
    font-size: 1rem;
    transition: transform 0.2s;
}
.article-cta a:hover { transform: scale(1.04); }

/* Related articles */
.related { margin-top: 48px; border-top: 1px solid rgba(0,0,0,0.06); padding-top: 32px; }
.related h3 { font-size: 1.2rem; font-weight: 800; margin-bottom: 20px; margin-top: 0; }
.related-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
.related-card {
    background: var(--white);
    padding: 20px;
    border-radius: 16px;
    border: 1px solid rgba(0,0,0,0.06);
    text-decoration: none;
    color: var(--text);
    transition: border-color 0.2s;
}
.related-card:hover { border-color: var(--blue); }
.related-card h4 { font-size: 0.95rem; font-weight: 800; margin-bottom: 6px; line-height: 1.3; }
.related-card p { font-size: 0.85rem; color: var(--text-muted); font-weight: 600; margin: 0; }

/* Blog listing */
.blog-header { text-align: center; padding: 48px 24px 32px; }
.blog-header h1 { font-size: 2rem; font-weight: 900; margin-bottom: 8px; }
.blog-header p { color: var(--text-muted); font-weight: 600; font-size: 1.05rem; }
.blog-grid {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 24px 80px;
    display: grid;
    gap: 20px;
}
.blog-card {
    background: var(--white);
    padding: 28px;
    border-radius: var(--radius);
    border: 1px solid rgba(0,0,0,0.06);
    text-decoration: none;
    color: var(--text);
    transition: border-color 0.2s, transform 0.2s;
}
.blog-card:hover { border-color: var(--blue); transform: translateY(-2px); }
.blog-card h2 { font-size: 1.2rem; font-weight: 800; margin-bottom: 8px; line-height: 1.3; }
.blog-card p { font-size: 0.95rem; color: var(--text-muted); font-weight: 600; margin: 0; }
.blog-card .card-date { font-size: 0.8rem; color: var(--text-muted); opacity: 0.7; margin-top: 12px; }

/* Footer */
.footer { padding: 40px 24px; border-top: 1px solid rgba(0,0,0,0.06); text-align: center; }
.footer a { color: var(--text-muted); text-decoration: none; font-weight: 700; font-size: 0.85rem; }
.footer a:hover { color: var(--blue); }
.footer-links { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; margin-bottom: 12px; }
.footer p { font-size: 0.8rem; color: var(--text-muted); opacity: 0.7; }

@media (max-width: 480px) {
    .navbar-cta { padding: 8px 14px; font-size: 0.8rem; }
}