:root {
  color-scheme: light;
  --ink: #151a2d;
  --muted: #5f687c;
  --line: #e1e6f0;
  --paper: #f5f7fb;
  --white: #fff;
  --purple: #6d4aff;
  --cyan: #32c6c8;
  --lime: #c9f27b;
  --radius: 18px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 5.5rem; }
body { margin: 0; background: var(--paper); color: var(--ink); line-height: 1.65; }
a { color: #4932c6; text-underline-offset: .18em; }
a:hover { color: #2d1d89; }
a:focus-visible, button:focus-visible { outline: 3px solid #16a8b5; outline-offset: 3px; border-radius: 6px; }
code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
code { font-size: .92em; }

.skip-link { position: absolute; left: 1rem; top: -5rem; z-index: 10; padding: .65rem 1rem; border-radius: 8px; background: var(--white); color: var(--ink); }
.skip-link:focus { top: 1rem; }
.topbar { position: sticky; top: 0; z-index: 5; background: rgba(17, 22, 39, .97); color: #f7f8fc; border-bottom: 1px solid rgba(255,255,255,.1); backdrop-filter: blur(12px); }
.topbar-inner { max-width: 1220px; margin: 0 auto; padding: .8rem 1.5rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: flex; align-items: center; gap: .7rem; min-width: 0; color: #fff; text-decoration: none; font-weight: 750; letter-spacing: -.02em; }
.brand-mark { display: grid; place-items: center; width: 2rem; height: 2rem; flex: 0 0 auto; border-radius: 9px; background: linear-gradient(140deg, var(--purple), var(--cyan)); color: #fff; font-size: .8rem; }
.top-links { display: flex; align-items: center; gap: 1.15rem; }
.top-links a { color: #d7def0; font-size: .88rem; font-weight: 600; text-decoration: none; }
.top-links a:hover { color: #fff; }

.hero-wrap { padding: 2.2rem 1.5rem 0; }
.hero { position: relative; overflow: hidden; max-width: 1220px; min-height: 300px; margin: 0 auto; padding: clamp(2rem, 5vw, 4rem); border-radius: 26px; color: #fff; background: radial-gradient(circle at 86% 20%, rgba(50,198,200,.42), transparent 28%), radial-gradient(circle at 70% 110%, rgba(109,74,255,.52), transparent 42%), linear-gradient(125deg, #171b31 0%, #242442 60%, #173748 100%); box-shadow: 0 20px 60px rgba(26,32,60,.16); }
.hero::after { position: absolute; right: 7%; top: 15%; width: 190px; height: 190px; border: 1px solid rgba(255,255,255,.16); border-radius: 50%; box-shadow: 0 0 0 25px rgba(255,255,255,.035), 0 0 0 58px rgba(255,255,255,.025); content: ""; pointer-events: none; }
.hero-copy { position: relative; z-index: 1; max-width: 760px; }
.eyebrow { display: inline-flex; align-items: center; gap: .5rem; color: var(--lime); font-size: .75rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.eyebrow::before { width: 1.25rem; height: 2px; background: var(--lime); content: ""; }
.hero h1 { margin: .8rem 0 .65rem; max-width: 760px; font-size: clamp(2.35rem, 5vw, 4.35rem); line-height: 1.02; letter-spacing: -.055em; }
.hero p { max-width: 650px; margin: 0; color: #d8def0; font-size: clamp(1rem, 1.5vw, 1.16rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 1.55rem; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 2.75rem; padding: .65rem 1rem; border: 1px solid rgba(255,255,255,.25); border-radius: 10px; color: #fff; background: rgba(255,255,255,.08); font-weight: 700; text-decoration: none; }
.button.primary { border-color: var(--lime); color: #151a2d; background: var(--lime); }
.button:hover { transform: translateY(-1px); color: #fff; background: rgba(255,255,255,.15); }
.button.primary:hover { color: #151a2d; background: #d8ff9a; }
.badges { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.25rem; }
.badge { padding: .25rem .6rem; border: 1px solid rgba(255,255,255,.22); border-radius: 999px; color: #e8ecf7; background: rgba(9,13,27,.24); font-size: .76rem; font-weight: 650; }

.layout { display: grid; grid-template-columns: 205px minmax(0, 1fr); gap: clamp(1.5rem, 4vw, 3.5rem); max-width: 1180px; margin: 0 auto; padding: 2.6rem 1.5rem 4rem; }
.side-nav { position: sticky; top: 5.7rem; align-self: start; display: grid; gap: .2rem; padding: .55rem; border: 1px solid var(--line); border-radius: 14px; background: var(--white); }
.side-nav a { padding: .55rem .7rem; border-radius: 8px; color: #4b5367; font-size: .87rem; font-weight: 620; text-decoration: none; }
.side-nav a:hover { color: var(--ink); background: #f0edff; }
.content { min-width: 0; }
.section { margin: 0 0 2.4rem; scroll-margin-top: 6rem; }
.section h2 { margin: 0 0 .6rem; font-size: clamp(1.45rem, 2.5vw, 2rem); line-height: 1.2; letter-spacing: -.035em; }
.section-lead { max-width: 780px; margin: 0 0 1.2rem; color: var(--muted); }
.card-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.card { padding: 1.1rem 1.2rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); box-shadow: 0 8px 24px rgba(31,43,74,.035); }
.card h3 { margin: 0 0 .4rem; font-size: 1.02rem; letter-spacing: -.015em; }
.card p { margin: 0; color: var(--muted); font-size: .93rem; }
.number { display: grid; place-items: center; width: 2rem; height: 2rem; margin-bottom: .75rem; border-radius: 10px; color: #3821a1; background: #eee9ff; font-weight: 800; }
.callout { margin: 1rem 0; padding: .9rem 1rem; border-left: 3px solid var(--cyan); border-radius: 0 10px 10px 0; color: #3c465c; background: #e9f9f9; }
.callout.warning { border-color: #e4a83b; background: #fff6e4; }
.code-card { overflow: hidden; margin: 1rem 0; border: 1px solid #272d44; border-radius: 14px; color: #f1f3fa; background: #171b2b; }
.code-card pre { overflow-x: auto; margin: 0; padding: 1rem 1.1rem; font-size: .88rem; line-height: 1.6; tab-size: 2; }
.code-label { display: flex; align-items: center; justify-content: space-between; padding: .55rem 1rem; border-bottom: 1px solid rgba(255,255,255,.1); color: #b8bfd3; font-size: .76rem; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; background: var(--white); }
table { width: 100%; border-collapse: collapse; text-align: left; }
th, td { padding: .75rem .9rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: #40495f; background: #f7f8fb; font-size: .8rem; }
td { color: #555f74; font-size: .9rem; }
tr:last-child td { border-bottom: 0; }
.link-list { display: flex; flex-wrap: wrap; gap: .65rem; }
.link-list a { padding: .45rem .7rem; border: 1px solid var(--line); border-radius: 9px; background: #fff; font-size: .87rem; font-weight: 650; text-decoration: none; }
.footer { max-width: 1180px; margin: 0 auto; padding: 1.5rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .82rem; }
.footer p { margin: .2rem 0; }

@media (max-width: 820px) {
  .hero-wrap { padding: 1rem .85rem 0; }
  .hero { min-height: 260px; border-radius: 20px; }
  .hero::after { right: -4rem; top: 2rem; opacity: .55; }
  .layout { grid-template-columns: 1fr; gap: 1.15rem; padding: 1.4rem .85rem 3rem; }
  .side-nav { position: static; display: flex; overflow-x: auto; gap: .15rem; white-space: nowrap; scrollbar-width: thin; }
  .side-nav a { flex: 0 0 auto; }
}
@media (max-width: 560px) {
  .topbar-inner { padding: .7rem .85rem; }
  .top-links { gap: .65rem; }
  .top-links a { font-size: .78rem; }
  .brand { font-size: .9rem; }
  .hero { padding: 1.7rem 1.25rem; }
  .hero h1 { font-size: clamp(2.1rem, 11vw, 3rem); }
  .card-grid { grid-template-columns: 1fr; }
  .section { margin-bottom: 2rem; }
  th, td { padding: .65rem; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}