:root {
  --sf: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, monospace;
  --bg-0: #07070a;
  --bg-1: #101016;
  --bg-2: #171720;
  --line: rgba(255,255,255,.08);
  --line-soft: rgba(255,255,255,.05);
  --t-1: rgba(255,255,255,.96);
  --t-2: rgba(255,255,255,.68);
  --t-3: rgba(255,255,255,.44);
  --accent: #5e9eff;
  --accent-warm: #ff9f0a;
}
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  min-height: 100vh;
  font-family: var(--sf);
  background: var(--bg-0);
  color: var(--t-1);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
.pb-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 60% 40% at 80% -10%, rgba(94,158,255,.18), transparent 60%),
    radial-gradient(ellipse 50% 35% at -5% 25%, rgba(167,139,250,.12), transparent 60%),
    radial-gradient(ellipse 70% 50% at 50% 110%, rgba(255,159,10,.08), transparent 60%),
    var(--bg-0);
}
.pb-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .28;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='0.4'/></svg>");
}
.pb-content { position: relative; z-index: 1; }
.pb-site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 14px 32px;
  background: rgba(10,10,14,.66);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  backdrop-filter: blur(20px) saturate(160%);
  border-bottom: 0.5px solid var(--line);
}
.pb-brand {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 15px;
  font-weight: 600;
  color: var(--t-1);
}
.pb-nav-links {
  display: flex;
  gap: 24px;
  flex: 1;
}
.pb-nav-links a,
.pb-foot-right a {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--t-2);
}
.pb-nav-links a:hover,
.pb-foot-right a:hover { color: var(--t-1); }
.pb-nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: 8px;
  background: linear-gradient(180deg, #fff, #d8d8dc);
  color: #000;
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 1px 0 rgba(255,255,255,.4) inset, 0 1px 2px rgba(0,0,0,.4);
}
.pb-hero,
.pb-article,
.pb-guide-index {
  width: min(100%, 920px);
  margin: 0 auto;
  padding: 76px 32px 96px;
}
.pb-hero { width: min(100%, 1040px); }
.pb-kicker {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
}
h1 {
  max-width: 860px;
  font-size: clamp(38px, 5.6vw, 68px);
  font-weight: 650;
  line-height: 1.04;
  letter-spacing: -.025em;
  margin: 0 0 18px;
  text-wrap: balance;
}
.pb-lead {
  max-width: 720px;
  margin: 0 0 30px;
  color: var(--t-2);
  font-size: 19px;
  line-height: 1.55;
  text-wrap: pretty;
}
.pb-meta {
  font-family: var(--mono);
  color: var(--t-3);
  font-size: 12px;
  margin: 0 0 42px;
}
.pb-article h2 {
  font-size: 27px;
  line-height: 1.22;
  letter-spacing: -.015em;
  margin: 52px 0 14px;
}
.pb-article h3 {
  font-size: 18px;
  margin: 28px 0 10px;
}
.pb-article p,
.pb-article li {
  color: var(--t-2);
  font-size: 17px;
  line-height: 1.7;
}
.pb-article p { margin: 0 0 18px; }
.pb-article ul,
.pb-article ol {
  margin: 0 0 20px;
  padding-left: 24px;
}
.pb-article li { margin-bottom: 9px; }
.pb-article strong { color: var(--t-1); font-weight: 650; }
.pb-article a {
  color: var(--accent);
  border-bottom: 0.5px solid rgba(94,158,255,.42);
}
.pb-article a:hover { border-bottom-color: var(--accent); }
.pb-note,
.pb-cta-box {
  margin: 32px 0;
  padding: 22px;
  border: 0.5px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.015));
}
.pb-note strong,
.pb-cta-box strong { display: block; margin-bottom: 8px; }
.pb-cta-box {
  display: grid;
  gap: 14px;
  background:
    radial-gradient(ellipse at 90% 0%, rgba(94,158,255,.16), transparent 58%),
    linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
}
.pb-button {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  padding: 10px 15px;
  border-radius: 10px;
  background: #fff;
  color: #000;
  font-size: 14px;
  font-weight: 650;
}
.pb-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 34px;
}
.pb-card {
  min-height: 210px;
  padding: 22px;
  border: 0.5px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(255,255,255,.035), rgba(255,255,255,.012));
}
.pb-card h2 {
  margin: 0 0 10px;
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: -.01em;
}
.pb-card p {
  margin: 0 0 18px;
  color: var(--t-2);
  font-size: 15.5px;
  line-height: 1.55;
}
.pb-card a {
  color: var(--accent);
  font-size: 14px;
  font-weight: 650;
}
.pb-table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0 32px;
  overflow: hidden;
  border-radius: 12px;
}
.pb-table th,
.pb-table td {
  text-align: left;
  vertical-align: top;
  padding: 13px 14px;
  border: 0.5px solid var(--line);
  color: var(--t-2);
  font-size: 15px;
  line-height: 1.5;
}
.pb-table th { color: var(--t-1); background: rgba(255,255,255,.04); }
.pb-related {
  margin-top: 52px;
  padding-top: 28px;
  border-top: 0.5px solid var(--line);
}
.pb-related h2 {
  margin-top: 0;
  font-size: 20px;
}
.pb-related a {
  display: block;
  margin-bottom: 10px;
  color: var(--accent);
}
.pb-site-foot {
  border-top: 0.5px solid var(--line);
  padding: 40px 32px 32px;
  background: rgba(0,0,0,.4);
}
.pb-foot-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.pb-foot-brand {
  display: flex;
  align-items: center;
  gap: 9px;
  font-weight: 600;
}
.pb-foot-tag {
  margin-top: 6px;
  color: var(--t-3);
  font-size: 12px;
  font-family: var(--mono);
}
.pb-foot-right {
  display: flex;
  gap: 22px;
}
.pb-foot-base {
  max-width: 1280px;
  margin: 30px auto 0;
  padding-top: 24px;
  border-top: 0.5px solid var(--line-soft);
  text-align: center;
  color: var(--t-3);
  font-size: 11px;
  font-family: var(--mono);
}
@media (max-width: 760px) {
  .pb-site-nav { padding: 13px 18px; gap: 18px; }
  .pb-nav-links { gap: 14px; }
  .pb-nav-links a { font-size: 12.5px; }
  .pb-nav-cta { display: none; }
  .pb-hero,
  .pb-article,
  .pb-guide-index { padding: 54px 20px 76px; }
  .pb-grid { grid-template-columns: 1fr; }
  .pb-table { display: block; overflow-x: auto; }
}