:root {
    --navy-950: #070b1f;
    --navy-900: #0a102c;
    --navy-800: #121a3f;
    --navy-700: #1c2650;
    --ink: #eef1fb;
    --ink-soft: #b8c0dd;
    --gold: #e9c97e;
    --gold-strong: #f3d68b;
    --radius: 16px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Poppins', system-ui, -apple-system, sans-serif;
    background: var(--navy-950);
    color: var(--ink);
    line-height: 1.75;
    font-size: 16px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--gold); }

.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header {
    position: sticky; top: 0; z-index: 50;
    background: rgba(7, 11, 31, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.site-header .container {
    display: flex; align-items: center; justify-content: space-between;
    padding-top: 14px; padding-bottom: 14px;
}
.logo {
    font-size: 1.5rem; font-weight: 700; color: var(--ink);
    text-decoration: none; letter-spacing: 0.5px;
}
.logo .moon { color: var(--gold); }
.main-nav { display: flex; gap: 26px; align-items: center; flex-wrap: wrap; }
.main-nav a { color: var(--ink-soft); text-decoration: none; font-size: 0.9rem; font-weight: 500; }
.main-nav a:hover { color: var(--ink); }
.nav-cta {
    background: var(--gold); color: var(--navy-950) !important;
    padding: 8px 18px; border-radius: 999px; font-weight: 600 !important;
}
.nav-cta:hover { background: var(--gold-strong); }
@media (max-width: 720px) { .main-nav a:not(.nav-cta) { display: none; } }

/* Post layout */
.post { max-width: 760px; margin: 0 auto; padding: 56px 24px 40px; }
.post-header { margin-bottom: 36px; }
.breadcrumb { font-size: 0.85rem; color: var(--ink-soft); margin-bottom: 18px; }
.breadcrumb a { color: var(--ink-soft); text-decoration: none; }
.breadcrumb a:hover { color: var(--gold); }
.post h1 {
    font-size: clamp(1.8rem, 4.5vw, 2.6rem);
    line-height: 1.2; font-weight: 700; margin-bottom: 14px;
}
.post-meta { font-size: 0.85rem; color: var(--ink-soft); }
.post h2 {
    font-size: 1.45rem; font-weight: 700; line-height: 1.3;
    margin: 2.2em 0 0.6em;
}
.post h3 { font-size: 1.1rem; font-weight: 600; margin: 1.8em 0 0.5em; }
.post p, .post li { color: var(--ink-soft); margin-bottom: 1em; }
.post li { margin-bottom: 0.5em; }
.post ul, .post ol { padding-left: 1.4em; margin-bottom: 1.2em; }
.post strong { color: var(--ink); }

/* Key takeaways box */
.takeaways {
    background: var(--navy-800); border: 1px solid rgba(233,201,126,0.35);
    border-radius: var(--radius); padding: 24px 28px; margin: 28px 0;
}
.takeaways h2, .takeaways h3 { margin: 0 0 10px; font-size: 1rem; color: var(--gold); text-transform: uppercase; letter-spacing: 1px; }
.takeaways ul { margin-bottom: 0; }

/* Product CTA card */
.cta-card {
    display: flex; gap: 24px; align-items: center;
    background: linear-gradient(180deg, var(--navy-700), var(--navy-800));
    border: 1px solid rgba(233,201,126,0.35);
    border-radius: var(--radius); padding: 26px; margin: 44px 0;
}
.cta-card img { width: 130px; border-radius: 10px; flex-shrink: 0; }
.cta-card h3 { margin: 0 0 6px; font-size: 1.1rem; }
.cta-card p { font-size: 0.9rem; margin-bottom: 14px; }
.cta-card .btn {
    display: inline-block; background: var(--gold); color: var(--navy-950);
    padding: 10px 24px; border-radius: 999px; font-weight: 600;
    text-decoration: none; font-size: 0.95rem;
}
.cta-card .btn:hover { background: var(--gold-strong); }
@media (max-width: 560px) { .cta-card { flex-direction: column; text-align: center; } }

/* Sources */
.sources { margin-top: 48px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.08); }
.sources h2 { font-size: 1rem; margin: 0 0 12px; }
.sources ol { font-size: 0.82rem; color: #8189ab; }
.sources li { margin-bottom: 8px; }
.sources a { color: #8189ab; }
.sources a:hover { color: var(--gold); }

/* Related posts */
.related { margin: 40px 0 0; }
.related h2 { font-size: 1.15rem; margin-bottom: 16px; }
.related-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 560px) { .related-grid { grid-template-columns: 1fr; } }
.related-grid a {
    display: block; background: var(--navy-800); border: 1px solid rgba(255,255,255,0.08);
    border-radius: 12px; padding: 16px 18px; text-decoration: none;
    color: var(--ink); font-size: 0.92rem; font-weight: 500; line-height: 1.4;
}
.related-grid a:hover { border-color: var(--gold); }

/* Blog index */
.blog-index { max-width: 860px; margin: 0 auto; padding: 56px 24px; }
.blog-index > h1 { font-size: clamp(1.9rem, 4.5vw, 2.6rem); margin-bottom: 10px; }
.blog-index .lead { color: var(--ink-soft); margin-bottom: 40px; max-width: 40em; }
.post-card {
    display: block; background: var(--navy-800); border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius); padding: 26px 28px; margin-bottom: 16px;
    text-decoration: none;
}
.post-card:hover { border-color: var(--gold); }
.post-card h2 { color: var(--ink); font-size: 1.2rem; margin-bottom: 6px; line-height: 1.35; }
.post-card p { color: var(--ink-soft); font-size: 0.92rem; margin: 0; }

/* Footer */
.site-footer {
    background: var(--navy-950); border-top: 1px solid rgba(255,255,255,0.06);
    padding: 40px 0 28px; font-size: 0.85rem; color: var(--ink-soft);
    margin-top: 40px;
}
.footer-grid { display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; margin-bottom: 24px; }
.footer-links { list-style: none; display: flex; gap: 24px; flex-wrap: wrap; }
.footer-links a { color: var(--ink-soft); text-decoration: none; }
.footer-links a:hover { color: var(--ink); }
.disclaimer {
    font-size: 0.75rem; color: #6b7397; border-top: 1px solid rgba(255,255,255,0.06);
    padding-top: 18px; line-height: 1.6;
}