/* ═══ Shared CSS pre SEO landing pages a blog ═══ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 17px; line-height: 1.65;
  color: #0f1220;
  background: linear-gradient(180deg, #fef3c7 0%, #fbfaf6 280px, #fbfaf6 100%);
  min-height: 100vh; -webkit-font-smoothing: antialiased;
}
.container { max-width: 760px; margin: 0 auto; padding: 0 20px; }

/* Header */
header.site {
  padding: 18px 0; border-bottom: 1px solid rgba(24,20,50,0.08);
  background: rgba(255,255,255,0.65); backdrop-filter: blur(12px);
  position: sticky; top: 0; z-index: 10;
}
header.site .row { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: inherit; font-weight: 800; font-size: 1.1rem; letter-spacing: -.01em; }
.brand-mark {
  width: 32px; height: 32px; border-radius: 9px;
  background: linear-gradient(135deg,#fde68a 0%,#f5b623 40%,#d97706 70%,#a855f7 120%);
  display: grid; place-items: center;
  box-shadow: 0 3px 10px rgba(245,182,35,.35), inset 0 1px 0 rgba(255,255,255,.5);
}
.brand-mark svg { width: 20px; height: 20px; }
.brand b { font-weight: 800; }
.brand i { font-style: italic; font-family: 'Instrument Serif', Georgia, serif;
  background: linear-gradient(120deg,#b45309 0%,#d97706 35%,#7c3aed 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  font-weight: 400; }
nav.top a { color: #3b4256; text-decoration: none; padding: 8px 14px; font-weight: 600; font-size: .92rem; border-radius: 9999px; transition: color .15s, background .15s; }
nav.top a:hover { background: rgba(245,182,35,.12); color: #0f1220; }

/* Article */
article { padding: 40px 0 80px; }
.lead { font-size: 1.15rem; color: #3b4256; margin: 14px 0 28px; }
h1 { font-size: clamp(2rem, 5vw, 3rem); font-weight: 800; letter-spacing: -.03em; line-height: 1.08; margin-bottom: 8px; }
h1 em { font-style: italic; font-family: 'Instrument Serif', Georgia, serif; font-weight: 400;
  background: linear-gradient(120deg,#b45309 0%,#d97706 35%,#7c3aed 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent; }
h2 { font-size: 1.55rem; font-weight: 800; letter-spacing: -.02em; margin: 34px 0 12px; }
h3 { font-size: 1.15rem; font-weight: 700; margin: 22px 0 8px; }
p { margin-bottom: 14px; }
strong { font-weight: 700; color: #0f1220; }
ul, ol { padding-left: 22px; margin-bottom: 16px; }
li { margin-bottom: 6px; }

/* CTA buttons */
.cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 26px; border-radius: 9999px;
  background: linear-gradient(135deg,#fde68a 0%,#f5b623 40%,#d97706 70%,#a855f7 120%);
  color: #0f1220; font-weight: 700; text-decoration: none;
  margin: 18px 0 8px; transition: transform .15s, box-shadow .15s;
  box-shadow: 0 4px 14px rgba(245,182,35,.35);
}
.cta:hover { transform: translateY(-1px); box-shadow: 0 8px 22px rgba(245,182,35,.45); }
.cta-ghost {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px; border-radius: 9999px;
  background: transparent; border: 1.5px solid rgba(24,20,50,.18);
  color: #0f1220; font-weight: 600; text-decoration: none;
  margin: 0 6px 8px 0;
}
.cta-ghost:hover { background: rgba(245,182,35,.08); border-color: #d97706; }

/* Highlight boxes */
.box {
  background: rgba(255,255,255,0.72); border: 1px solid rgba(24,20,50,0.08);
  border-radius: 16px; padding: 18px 22px; margin: 18px 0;
}
.box.tip { border-left: 4px solid #f5b623; }
.box.warn { border-left: 4px solid #f87171; background: rgba(254,242,242,0.7); }
.box.success { border-left: 4px solid #10b981; background: rgba(240,253,244,0.7); }
.box h3 { margin-top: 0; font-size: 1rem; }

/* Tables */
table { border-collapse: collapse; width: 100%; margin: 18px 0; font-size: .92rem;
  background: rgba(255,255,255,0.72); border-radius: 12px; overflow: hidden; }
th, td { padding: 10px 14px; text-align: left; border-bottom: 1px solid rgba(24,20,50,0.06); }
th { background: rgba(245,182,35,.08); font-weight: 700; color: #3b4256; font-size: .82rem; letter-spacing: .04em; text-transform: uppercase; }

/* FAQ */
.faq { margin-top: 36px; }
.faq details { border-top: 1px solid rgba(24,20,50,0.08); padding: 14px 0; }
.faq details:last-child { border-bottom: 1px solid rgba(24,20,50,0.08); }
.faq summary { font-weight: 700; font-size: 1.02rem; cursor: pointer; padding: 4px 0; list-style: none; position: relative; padding-left: 28px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before { content: '+'; position: absolute; left: 0; top: 4px; width: 20px; height: 20px; border-radius: 6px; background: rgba(245,182,35,.15); color: #d97706; display: grid; place-items: center; font-weight: 800; transition: transform .2s; }
.faq details[open] summary::before { content: '−'; transform: rotate(180deg); }
.faq details > p { padding: 8px 0 6px 28px; color: #3b4256; }

/* Footer */
footer.site { padding: 30px 0 50px; border-top: 1px solid rgba(24,20,50,0.08); margin-top: 30px; color: #3b4256; font-size: .9rem; background: rgba(255,255,255,0.4); }
footer.site .row { display: flex; flex-wrap: wrap; gap: 24px; justify-content: space-between; }
footer.site .col { flex: 1 1 200px; }
footer.site h4 { font-size: .82rem; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 8px; color: #3b4256; }
footer.site a { color: #3b4256; text-decoration: none; display: block; padding: 4px 0; transition: color .15s; }
footer.site a:hover { color: #d97706; }
footer.site .legal { margin-top: 24px; padding-top: 20px; border-top: 1px solid rgba(24,20,50,0.06); font-size: .82rem; color: #6b7085; }
footer.site .legal a { display: inline; color: #6b7085; }
footer.site .legal a:hover { color: #d97706; }

/* Code & key numbers */
.kbd { font-family: 'SF Mono', Monaco, monospace; font-size: .88em; padding: 1px 6px; background: rgba(245,182,35,.12); border-radius: 5px; }
.num { font-family: 'SF Mono', Monaco, monospace; font-weight: 700; color: #d97706; }

/* Responsive */
@media (max-width: 600px) {
  body { font-size: 16px; }
  h1 { font-size: 1.85rem; }
  h2 { font-size: 1.3rem; }
  .container { padding: 0 14px; }
  nav.top a { padding: 6px 10px; font-size: .85rem; }
  table { font-size: .85rem; }
  th, td { padding: 8px 10px; }
}