:root{
  --ink:#0f172a;--muted:#475569;--soft:#64748b;--line:#e2e8f0;--bg:#f8fafc;--card:#ffffff;--brand:#2563eb;--brand2:#0f172a;--accent:#38bdf8;--good:#059669;--warn:#f59e0b;--radius:24px;--shadow:0 24px 60px rgba(15,23,42,.12);--max:1180px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:linear-gradient(180deg,#fff 0%,#f8fafc 60%,#eef6ff 100%);line-height:1.65}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;display:block}.skip{position:absolute;left:-999px;top:0;background:#fff;padding:12px 16px;z-index:100}.skip:focus{left:12px;top:12px;border-radius:12px;box-shadow:var(--shadow)}.notice{background:#0f172a;color:#e2e8f0;font-size:.88rem}.notice .wrap{max-width:var(--max);margin:auto;padding:8px 20px;display:flex;justify-content:space-between;gap:16px;align-items:center}.notice a{text-decoration:underline;color:#fff}.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);backdrop-filter:blur(18px);border-bottom:1px solid rgba(226,232,240,.8)}.nav .wrap{max-width:var(--max);margin:auto;padding:14px 20px;display:flex;align-items:center;justify-content:space-between;gap:18px}.logo{display:flex;align-items:center;gap:10px;font-weight:900;letter-spacing:-.04em;font-size:1.12rem}.mark{width:38px;height:38px;border-radius:14px;background:linear-gradient(135deg,var(--brand),#0f172a);display:grid;place-items:center;color:#fff;box-shadow:0 12px 30px rgba(37,99,235,.25)}.links{display:flex;gap:20px;align-items:center;font-weight:700;color:#334155;font-size:.95rem}.links a:hover{color:var(--brand)}.menu{display:none;border:1px solid var(--line);background:#fff;border-radius:14px;padding:9px 12px;font-weight:800}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:999px;padding:13px 20px;font-weight:900;border:1px solid transparent;transition:.2s ease;background:var(--ink);color:#fff;box-shadow:0 14px 35px rgba(15,23,42,.18)}.btn:hover{transform:translateY(-1px);box-shadow:0 18px 40px rgba(15,23,42,.22)}.btn.primary{background:linear-gradient(135deg,var(--brand),#172554)}.btn.secondary{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:none}.btn.small{padding:10px 15px;font-size:.88rem}.hero{padding:74px 20px 54px}.hero .wrap,.section{max-width:var(--max);margin:auto}.grid{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border:1px solid #bfdbfe;border-radius:999px;background:#eff6ff;color:#1d4ed8;font-weight:900;font-size:.82rem;text-transform:uppercase;letter-spacing:.08em}.h1{font-size:clamp(2.8rem,6vw,5.6rem);line-height:.94;letter-spacing:-.08em;margin:18px 0 18px}.lead{font-size:1.18rem;color:var(--muted);max-width:680px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.hero-disclosure{margin:14px 0 0;color:#64748b;font-size:.9rem;max-width:640px}.hero-disclosure a{color:var(--brand);font-weight:900;text-decoration:underline;text-underline-offset:3px}.trustbar{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px;color:#334155}.pill{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:rgba(255,255,255,.82);border-radius:999px;padding:9px 13px;font-weight:850;font-size:.9rem;box-shadow:0 8px 22px rgba(15,23,42,.05)}.pill svg{width:16px;height:16px;color:var(--brand);flex:0 0 auto}.visual{border-radius:34px;overflow:hidden;box-shadow:var(--shadow);border:1px solid rgba(226,232,240,.8);background:#fff}.section{padding:58px 20px}.section.tight{padding-top:22px}.section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:28px}.kicker{font-weight:950;color:var(--brand);letter-spacing:.08em;text-transform:uppercase;font-size:.82rem}.h2{font-size:clamp(2rem,4vw,3.4rem);line-height:1;letter-spacing:-.06em;margin:8px 0 0}.copy{color:var(--muted);font-size:1.05rem}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:rgba(255,255,255,.84);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 8px 30px rgba(15,23,42,.05)}.card h3{margin:0 0 8px;letter-spacing:-.03em;line-height:1.15}.card p{margin:0;color:var(--muted)}.card .icon{width:42px;height:42px;border-radius:14px;background:#eff6ff;color:var(--brand);display:grid;place-items:center;font-weight:950;margin-bottom:16px}.feature{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:34px;padding:26px;box-shadow:var(--shadow)}.article{max-width:880px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:34px;padding:38px;box-shadow:var(--shadow)}.article .hero-img{border-radius:26px;border:1px solid var(--line);margin:24px 0}.article h1{font-size:clamp(2.4rem,5vw,4.8rem);line-height:.95;letter-spacing:-.07em;margin:12px 0 16px}.article h2{font-size:2rem;letter-spacing:-.05em;line-height:1.08;margin:34px 0 12px}.article h3{font-size:1.35rem;letter-spacing:-.03em}.article p,.article li{color:#334155}.article a{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px;color:#1d4ed8}.meta{display:flex;gap:10px;flex-wrap:wrap;color:#64748b;font-weight:800;font-size:.9rem}.callout{border:1px solid #bfdbfe;background:#eff6ff;border-radius:22px;padding:18px 20px;margin:22px 0;color:#1e3a8a}.warning{border-color:#fed7aa;background:#fff7ed;color:#7c2d12}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:22px;background:#fff;margin:22px 0}table{width:100%;border-collapse:collapse;min-width:720px}th,td{text-align:left;padding:15px;border-bottom:1px solid var(--line);vertical-align:top}th{background:#f8fafc;font-size:.85rem;text-transform:uppercase;letter-spacing:.06em;color:#334155}tr:last-child td{border-bottom:0}.list-check{padding-left:0;list-style:none}.list-check li{position:relative;padding-left:30px;margin:10px 0}.list-check li:before{content:'✓';position:absolute;left:0;top:0;color:var(--good);font-weight:950}.cta-band{background:linear-gradient(135deg,#0f172a,#1e3a8a);color:#fff;border-radius:34px;padding:38px;display:grid;grid-template-columns:1.2fr auto;gap:24px;align-items:center;box-shadow:var(--shadow)}.cta-band p{color:#cbd5e1;margin:8px 0 0}.footer{margin-top:50px;background:#0f172a;color:#cbd5e1}.footer .wrap{max-width:var(--max);margin:auto;padding:44px 20px}.footer-grid{display:grid;grid-template-columns:1.2fr repeat(3,1fr);gap:28px}.footer h3,.footer h4{color:#fff;margin-top:0}.footer a{display:block;color:#cbd5e1;margin:8px 0}.footer a:hover{color:#fff}.fine{border-top:1px solid rgba(255,255,255,.1);margin-top:30px;padding-top:18px;font-size:.88rem;color:#94a3b8}.form{display:grid;gap:14px}.field{display:grid;gap:6px;font-weight:800}.field input,.field textarea,.field select{width:100%;border:1px solid var(--line);border-radius:16px;padding:13px 14px;font:inherit}.field textarea{min-height:150px}.breadcrumbs{font-size:.9rem;color:#64748b;font-weight:800;margin-bottom:10px}.breadcrumbs a{text-decoration:none;color:#475569}.hub-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.post-card{display:grid;grid-template-columns:180px 1fr;gap:18px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:26px;overflow:hidden;box-shadow:0 8px 30px rgba(15,23,42,.05)}.post-card img{height:100%;min-height:160px;object-fit:cover}.post-card div{padding:18px}.post-card h3{margin:0 0 8px;letter-spacing:-.03em}.post-card p{margin:0;color:var(--muted)}.source-note{font-size:.9rem;color:#64748b;border-top:1px solid var(--line);margin-top:26px;padding-top:18px}.toc{background:#f8fafc;border:1px solid var(--line);border-radius:22px;padding:18px;margin:22px 0}.toc a{display:block;margin:7px 0;text-decoration:none;color:#334155;font-weight:800}.affiliate-box{font-size:.95rem;color:#334155;background:#f8fafc;border:1px solid var(--line);border-radius:20px;padding:16px;margin:20px 0}.split{display:grid;grid-template-columns:1fr 1fr;gap:20px}.badge{font-size:.78rem;background:#dcfce7;color:#166534;border-radius:999px;padding:5px 9px;font-weight:950;display:inline-flex}.notfound{min-height:60vh;display:grid;place-items:center;text-align:center;padding:60px 20px}
@media(max-width:920px){.grid,.feature,.cta-band,.split{grid-template-columns:1fr}.cards,.hub-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.section-head{display:block}.links{display:none;position:absolute;top:68px;left:16px;right:16px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:22px;padding:18px;flex-direction:column;align-items:flex-start}.links.open{display:flex}.menu{display:inline-flex}.post-card{grid-template-columns:1fr}.post-card img{height:auto}.article{padding:24px}.notice .wrap{display:block}.h1{letter-spacing:-.06em}}
@media(max-width:560px){.footer-grid{grid-template-columns:1fr}.hero{padding-top:44px}.btn{width:100%}.hero-actions{display:grid}.article{border-radius:24px}.cta-band{border-radius:24px;padding:24px}.h1{font-size:3rem}.h2{font-size:2.2rem}}

/* Fix: keep CTA buttons readable inside article pages where article links are blue/underlined. */
.article a.btn,
.article a.btn.primary,
.article a.btn:visited,
.article a.btn.primary:visited {
  color: #ffffff;
  text-decoration: none;
}
.article a.btn.secondary,
.article a.btn.secondary:visited {
  color: var(--ink);
  text-decoration: none;
}
.article a.btn:hover,
.article a.btn:focus-visible {
  color: #ffffff;
  text-decoration: none;
}
.article a.btn.secondary:hover,
.article a.btn.secondary:focus-visible {
  color: var(--ink);
}

/* Premium in-article CTA row used on guide pages. */
.inline-cta, .hub-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin: 26px 0 8px;
}
.article .inline-cta a.btn,
.article .inline-cta a.btn.primary,
.article .inline-cta a.btn.primary:visited {
  color: #ffffff;
  text-decoration: none;
}
.article .inline-cta a.btn.secondary,
.article .inline-cta a.btn.secondary:visited {
  color: var(--ink);
  text-decoration: none;
}
.cta-band a.btn.secondary,
.cta-band a.btn.secondary:visited {
  color: var(--ink);
  background: #ffffff;
  text-decoration: none;
}

@media(max-width:560px){.inline-cta,.hub-actions{display:grid}.inline-cta .btn,.hub-actions .btn{width:100%}}


/* Premium end-of-article CTA card. */
.article-cta-card{
  margin:32px 0 10px;
  padding:24px;
  border:1px solid #bfdbfe;
  border-radius:26px;
  background:linear-gradient(135deg,#eff6ff 0%,#ffffff 72%);
  box-shadow:0 14px 38px rgba(37,99,235,.08);
}
.article-cta-card h3{
  margin:0 0 6px;
  letter-spacing:-.035em;
  line-height:1.15;
}
.article-cta-card p{
  margin:0;
  color:#475569;
}
.article-cta-card .inline-cta{
  margin:18px 0 0;
}