:root {
  --bg: #121212; --bg-deep: #0b0b0b;
  --mint: #52C9A3; --mint-dark: #3fae8a; --mint-text: #7BE0AC;
  --text: #e9e9e9; --text-dim: #c7c7c7;
  --serif: 'Playfair Display', Georgia, serif;
  --sans: 'Lato', Arial, sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--sans); font-weight: 300; color: var(--text); background: var(--bg); line-height: 1.75; font-size: 1.08rem; }
img { max-width: 100%; display: block; }
.wrap { max-width: 780px; margin: 0 auto; padding: 0 1.4rem; }
h1, h2, h3 { font-family: var(--serif); color: #fff; line-height: 1.25; }

/* Nav */
header.nav { position: sticky; top: 0; z-index: 100; background: rgba(11,11,11,0.92); backdrop-filter: blur(8px); border-bottom: 1px solid rgba(255,255,255,0.07); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding: 0.7rem 1.4rem; max-width: 1120px; margin: 0 auto; }
.nav-logo { font-family: var(--serif); font-weight: 900; font-size: 1.3rem; color: #fff; text-decoration: none; }
.nav-logo span { color: var(--mint-text); }
.nav-links { display: flex; gap: 1.6rem; align-items: center; }
.nav-links a { color: var(--text-dim); text-decoration: none; font-size: 0.92rem; }
.nav-links a:hover { color: var(--mint-text); }
.nav-links a.login { border: 1.5px solid var(--mint); color: var(--mint-text); padding: 0.4rem 1.1rem; border-radius: 6px; text-transform: uppercase; font-size: 0.8rem; letter-spacing: 0.05em; }
.nav-links a.login:hover { background: rgba(82,201,163,0.12); }
.nav-social { display: flex; gap: 0.7rem; align-items: center; }
.nav-social a { display: flex; opacity: 0.75; }
.nav-social a:hover { opacity: 1; }
.nav-social svg { width: 19px; height: 19px; fill: #fff; }
.nav-social a.yt svg { fill: #ff4b4b; }
.footer-social { display: flex; gap: 1rem; justify-content: center; margin-top: 1rem; }
.footer-social a { display: flex; opacity: 0.8; }
.footer-social a:hover { opacity: 1; }
.footer-social svg { width: 22px; height: 22px; fill: #fff; }
.footer-tag { font-family: var(--serif); font-style: italic; color: var(--mint-text); margin-top: 0.8rem; }

/* Article */
article.post-body { padding: 3rem 0 4rem; }
.breadcrumb { font-size: 0.85rem; color: #8a8a8a; margin-bottom: 1.4rem; }
.breadcrumb a { color: var(--mint-text); text-decoration: none; }
.post-body h1 { font-size: 2.5rem; margin-bottom: 0.8rem; }
.post-meta { color: var(--mint-text); font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 2rem; }
.lede { font-size: 1.25rem; color: #fff; font-family: var(--serif); line-height: 1.5; margin-bottom: 2.2rem; padding-bottom: 2.2rem; border-bottom: 1px solid rgba(255,255,255,0.1); }
.post-body h2 { font-size: 1.7rem; margin: 2.4rem 0 0.9rem; color: #fff; }
.post-body h3 { font-size: 1.28rem; margin: 1.8rem 0 0.6rem; color: var(--mint-text); }
.post-body p { margin-bottom: 1.2rem; color: var(--text-dim); }
.post-body ul, .post-body ol { margin: 0 0 1.4rem 1.3rem; color: var(--text-dim); }
.post-body li { margin-bottom: 0.5rem; }
.post-body strong { color: #fff; font-weight: 700; }
.post-body a { color: var(--mint-text); }
.keytakeaway {
  background: linear-gradient(150deg, #1a1a1a, #141d1a);
  border-left: 4px solid var(--mint); border-radius: 0 10px 10px 0;
  padding: 1.4rem 1.6rem; margin: 2rem 0; color: var(--text);
}
.keytakeaway strong { color: var(--mint-text); }
.faq-block { margin-top: 2.5rem; }
.faq-block h2 { margin-bottom: 1.2rem; }
.faq-item { border-bottom: 1px solid rgba(255,255,255,0.1); padding: 1.1rem 0; }
.faq-item h3 { color: #fff; font-family: var(--serif); font-size: 1.15rem; margin: 0 0 0.5rem; }
.faq-item p { margin: 0; }

/* CTA box */
.cta-box {
  background: linear-gradient(150deg, #16241f, #12181a);
  border: 1px solid rgba(82,201,163,0.4); border-radius: 14px;
  padding: 2rem; margin: 3rem 0 1rem; text-align: center;
  box-shadow: 0 18px 50px rgba(0,0,0,0.4);
}
.cta-box h3 { font-size: 1.5rem; color: #fff; margin-bottom: 0.6rem; }
.cta-box p { color: var(--text-dim); margin-bottom: 1.4rem; }
.btn {
  display: inline-block; background: var(--mint); color: #fff; text-decoration: none;
  font-weight: 400; letter-spacing: 0.04em; text-transform: uppercase;
  padding: 0.85rem 2.2rem; border-radius: 8px; font-size: 0.95rem;
}
.btn:hover { background: var(--mint-dark); }

.refs { margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,0.1); font-size: 0.9rem; color: #9a9a9a; }
.refs h2 { font-size: 1.2rem; margin-bottom: 0.8rem; }
.refs ol { margin-left: 1.2rem; }
.refs li { margin-bottom: 0.5rem; }
.related { margin-top: 2.5rem; }
.related h2 { font-size: 1.3rem; margin-bottom: 0.8rem; }
.related a { display: block; color: var(--mint-text); text-decoration: none; padding: 0.35rem 0; }

.disclaimer { margin-top: 2rem; font-size: 0.82rem; color: #7a7a7a; font-style: italic; }

/* Footer */
footer { background: var(--bg-deep); border-top: 1px solid rgba(255,255,255,0.07); padding: 2.5rem 0; text-align: center; color: #8a8a8a; font-size: 0.9rem; }
footer a { color: var(--mint-text); text-decoration: none; }

@media (max-width: 920px) {
  .nav-links a:not(.login) { display: none; }
  .post-body h1 { font-size: 1.9rem; }
}