:root {
  --ink: #0B1020; --surface: #141A2E; --elevated: #1B2340;
  --mint: #5EEAD4; --sky: #38BDF8; --rose: #FB7185; --amber: #FBBF24;
  --text: #FFFFFF; --text-2: rgba(255,255,255,.7); --text-3: rgba(255,255,255,.45);
  --hairline: rgba(255,255,255,.09);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  background: var(--ink); color: var(--text);
  font-family: 'Nunito', -apple-system, BlinkMacSystemFont, sans-serif;
  -webkit-font-smoothing: antialiased; line-height: 1.75;
}
::selection { background: rgba(94,234,212,.3); }
.wrap { max-width: 720px; margin: 0 auto; padding: 0 22px; }

nav.top {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  background: rgba(11,16,32,.78); border-bottom: 1px solid var(--hairline);
}
.nav-inner { max-width: 1120px; margin: 0 auto; padding: 0 22px; display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { display: flex; align-items: center; gap: 9px; font-weight: 900; font-size: 19px; color: var(--text); text-decoration: none; }
.brand img { width: 30px; height: 30px; border-radius: 8px; }
.nav-cta { font-weight: 800; font-size: 13.5px; color: var(--ink); text-decoration: none;
  background: linear-gradient(135deg, var(--mint), var(--sky)); padding: 8px 16px; border-radius: 999px; }

header.article-head { padding: 64px 0 36px; text-align: left; position: relative; overflow: hidden; }
.crumbs { font-size: 13px; color: var(--text-3); margin-bottom: 18px; font-weight: 700; }
.crumbs a { color: var(--text-3); text-decoration: none; }
.crumbs a:hover { color: var(--mint); }
h1 { font-size: clamp(30px, 5.5vw, 44px); font-weight: 900; line-height: 1.12; letter-spacing: -.01em; }
.lead { margin-top: 18px; font-size: 18.5px; color: var(--text-2); font-weight: 600; }
.meta-line { margin-top: 16px; font-size: 13px; color: var(--text-3); font-weight: 700; }

article { padding: 8px 0 30px; }
article h2 { font-size: 25px; font-weight: 900; margin: 44px 0 14px; letter-spacing: -.01em; }
article h3 { font-size: 19px; font-weight: 800; margin: 30px 0 10px; }
article p { margin: 0 0 16px; color: var(--text-2); font-size: 16.5px; }
article strong { color: var(--text); }
article ul, article ol { margin: 0 0 18px 22px; color: var(--text-2); font-size: 16.5px; }
article li { margin-bottom: 8px; }
article a { color: var(--mint); }
.tip {
  background: var(--surface); border: 1px solid var(--hairline); border-left: 3px solid var(--mint);
  border-radius: 14px; padding: 16px 18px; margin: 22px 0; font-size: 15.5px; color: var(--text-2);
}
.tip strong { color: var(--mint); }
table.facts { width: 100%; border-collapse: collapse; margin: 18px 0 24px; font-size: 15px; }
table.facts th, table.facts td { text-align: left; padding: 11px 12px; border-bottom: 1px solid var(--hairline); color: var(--text-2); }
table.facts th { color: var(--text); font-weight: 800; font-size: 13.5px; text-transform: uppercase; letter-spacing: .05em; }
table.facts td:first-child { color: var(--text); font-weight: 700; white-space: nowrap; }

.cta-box {
  background: linear-gradient(135deg, rgba(94,234,212,.1), rgba(56,189,248,.1));
  border: 1px solid rgba(94,234,212,.3); border-radius: 20px;
  padding: 28px 26px; margin: 40px 0; text-align: center;
}
.cta-box h3 { margin: 0 0 8px; font-size: 21px; font-weight: 900; }
.cta-box p { font-size: 15.5px; margin-bottom: 18px; }
.cta-btn { display: inline-block; background: linear-gradient(135deg, var(--mint), var(--sky));
  color: var(--ink); font-weight: 900; font-size: 16px; padding: 13px 28px; border-radius: 999px; text-decoration: none; }
.cta-note { display: block; margin-top: 10px; font-size: 12.5px; color: var(--text-3); }

.related { border-top: 1px solid var(--hairline); padding: 34px 0 10px; }
.related h2 { font-size: 19px; font-weight: 900; margin-bottom: 16px; }
.related ul { list-style: none; margin: 0; }
.related li { margin-bottom: 10px; }
.related a { color: var(--text-2); text-decoration: none; font-weight: 700; font-size: 15.5px; }
.related a:hover { color: var(--mint); }

.disclaimer-box { font-size: 12.5px; color: var(--text-3); border-top: 1px solid var(--hairline); padding: 22px 0; margin-top: 26px; }

footer.site { border-top: 1px solid var(--hairline); padding: 30px 0 46px; }
.foot-inner { max-width: 1120px; margin: 0 auto; padding: 0 22px; display: flex; flex-wrap: wrap; gap: 18px; justify-content: space-between; font-size: 13px; color: var(--text-3); }
.foot-inner a { color: var(--text-3); text-decoration: none; margin-right: 16px; }
.foot-inner a:hover { color: var(--mint); }