:root {
  color-scheme: dark;
  --ink: #f1f5f5;
  --paper: #101416;
  --surface: #171d20;
  --border: #2d373a;
  --muted: #acb9bd;
  --accent: #51d2ec;
  --warm: #e7ac81;
  --action-ink: #0b1a1e;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--paper);
}
* { box-sizing: border-box; }
body { margin: 0; }
img { display: block; max-width: 100%; }
a { color: inherit; }
p, h1, h2, h3 { margin: 0; }
a:focus-visible, summary:focus-visible { outline: 2px solid var(--warm); outline-offset: 4px; }
.wrap { width: min(100% - 48px, 940px); margin-inline: auto; }
.skip {
  position: absolute;
  top: 8px;
  left: 8px;
  z-index: 4;
  padding: 8px 12px;
  color: var(--action-ink);
  background: var(--accent);
  transform: translateY(-160%);
}
.skip:focus { transform: none; }
.topbar { background: #111618; border-bottom: 1px solid var(--border); }
.bar { display: flex; min-height: 66px; align-items: center; justify-content: space-between; gap: 16px; }
.home-link { display: grid; place-items: center; width: 42px; height: 42px; }
nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 4px 24px; }
nav a { display: inline-flex; align-items: center; min-height: 44px; font-size: 14px; color: var(--muted); text-decoration: none; }
nav a:hover, .foot a:hover, .back:hover { color: var(--accent); }
.hero {
  position: relative;
  isolation: isolate;
  text-align: center;
  background: #101415;
  border-bottom: 1px solid var(--border);
  padding: 78px 0 69px;
}
.hero-picture, .hero::before { position: absolute; inset: 0; z-index: -1; }
.hero-picture { z-index: -2; }
.hero-picture img { width: 100%; height: 100%; object-fit: cover; object-position: center 52%; }
.hero::before { content: ""; background: rgb(8 12 14 / 25%); }
.eyebrow { margin-bottom: 16px; color: var(--accent); font-size: 13px; font-weight: 750; text-transform: uppercase; }
.hero h1 { margin-inline: auto; max-width: 780px; font-size: 49px; line-height: 1.12; font-weight: 800; text-wrap: balance; }
.lead { max-width: 520px; margin: 17px auto 24px; color: #d0d9db; font-size: 18px; text-wrap: pretty; }
.launch {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  max-width: 100%;
  padding: 10px 21px;
  border-radius: 7px;
  background: var(--accent);
  color: var(--action-ink);
  text-decoration: none;
  font-size: 16px;
  font-weight: 750;
  text-align: center;
}
.launch img { flex: 0 0 20px; }
.launch:hover { background: #8ae3f4; }
.launch:active { background: #42bdd5; }
.transition { margin-top: 10px; color: #bbc6c9; font-size: 14px; }
.band { padding: 43px 0 47px; border-bottom: 1px solid var(--border); }
.section-head { max-width: 660px; margin-bottom: 22px; }
h2 { font-size: 27px; line-height: 1.22; font-weight: 760; text-wrap: balance; }
.section-head p { margin-top: 10px; color: var(--muted); }
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); padding: 0; margin: 0; list-style: none; }
.steps li { display: grid; grid-template-columns: 32px minmax(0, 1fr); gap: 12px; padding: 5px 16px; }
.steps li:first-child { padding-left: 0; }
.steps li + li { border-left: 1px solid var(--border); }
.step-num { color: var(--warm); font: 650 19px/1.4 ui-monospace, monospace; }
.steps h3, .tile h3, .example h3 { font-size: 16px; line-height: 1.35; font-weight: 740; }
.steps p, .tile p, .example p { margin-top: 6px; color: var(--muted); font-size: 15px; }
.evidence { background: #121719; }
.tiles { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.tile { min-width: 0; padding: 18px 20px; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; }
.tile .tile-label { margin: 0 0 9px; color: var(--accent); font: 650 12px/1.4 ui-monospace, monospace; }
.example { margin-top: 24px; border-left: 3px solid var(--warm); padding: 3px 0 3px 17px; }
.faq-list { border-top: 1px solid var(--border); }
details { border-bottom: 1px solid var(--border); }
summary {
  display: flex;
  min-height: 52px;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 1px;
  font-weight: 650;
  cursor: pointer;
  list-style: none;
}
summary::-webkit-details-marker { display: none; }
summary::after {
  content: "";
  width: 8px;
  height: 8px;
  margin-right: 5px;
  border-right: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(45deg);
  flex: 0 0 8px;
}
details[open] summary::after { transform: rotate(225deg); }
details p { max-width: 680px; padding-bottom: 17px; color: var(--muted); }
.end-action { margin-top: 26px; }
.foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px 18px; padding-block: 21px; font-size: 14px; color: var(--muted); }
.foot a, .prose a { text-underline-offset: 3px; overflow-wrap: anywhere; }
.article { padding: 36px 0 48px; max-width: 760px; min-height: 70vh; }
.article h1 { margin-top: 17px; font-size: 38px; line-height: 1.14; }
.back { color: var(--accent); }
.prose section { margin-top: 26px; }
.prose h2 { font-size: 21px; }
.prose p { margin-top: 8px; color: var(--muted); }
.prose a { color: var(--accent); }
@media (max-width: 720px) {
  .wrap { width: calc(100% - 36px); }
  .hero { padding: 43px 0 39px; }
  .hero-picture img { object-position: center 49%; }
  .hero::before { background: rgb(8 12 14 / 66%); }
  .hero h1 { max-width: 490px; font-size: 39px; }
  .lead { max-width: 410px; margin-block: 15px 21px; font-size: 16px; }
  .band { padding: 32px 0 36px; }
  .steps { grid-template-columns: minmax(0, 1fr); }
  .steps li, .steps li:first-child { padding: 12px 0; }
  .steps li + li { border-left: 0; border-top: 1px solid var(--border); }
  .section-head { margin-bottom: 16px; }
  h2 { font-size: 24px; }
}
@media (max-width: 480px) {
  .bar { min-height: 58px; }
  nav { gap: 4px 17px; }
  .hero h1 { font-size: 35px; }
  .hero .wrap { width: calc(100% - 32px); }
  .tiles { grid-template-columns: minmax(0, 1fr); }
  .article h1 { font-size: 31px; overflow-wrap: anywhere; }
}
@media (max-width: 350px) {
  .hero { padding: 36px 0 31px; }
  .hero h1 { font-size: 32px; }
  .launch { padding-inline: 14px; }
}