:root {
  color-scheme: dark;
  --bg: #08080a;
  --card: #0b0b0f;
  --card-raised: #111116;
  --text: #f4f4f5;
  --muted: rgba(244, 244, 245, 0.68);
  --faint: rgba(244, 244, 245, 0.46);
  --line: rgba(244, 244, 245, 0.12);
  --magenta: #f02aa7;
  --cyan: #75e7e2;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  --sans: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body {
  isolation: isolate;
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
body::before {
  position: fixed;
  z-index: -2;
  inset: 0;
  content: "";
  pointer-events: none;
  background: conic-gradient(rgba(255, 255, 255, 0.03) 90deg, transparent 90deg 180deg, rgba(255, 255, 255, 0.03) 180deg 270deg, transparent 270deg) 0 0 / 2px 2px, #08080a;
}
#ward-field {
  position: fixed;
  z-index: -1;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  pointer-events: none;
  image-rendering: pixelated;
  -webkit-mask-image: linear-gradient(to bottom, #000 72%, transparent 100%);
  mask-image: linear-gradient(to bottom, #000 72%, transparent 100%);
}
a { color: inherit; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--cyan); outline-offset: 4px; }
button, a { -webkit-tap-highlight-color: transparent; }
.skip-link {
  position: absolute;
  z-index: 2;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  transform: translateY(-150%);
  background: var(--card);
}
.skip-link:focus-visible { transform: none; }

.site-shell { width: min(1120px, calc(100% - 48px)); margin: 0 auto; }
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 82px;
  border-bottom: 1px solid var(--line);
  background: rgba(8, 8, 10, 0.45);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.06em;
}
.brand-mark {
  display: block;
  width: 28px;
  height: 28px;
  image-rendering: pixelated;
}
.site-nav { display: flex; align-items: center; gap: clamp(16px, 3vw, 34px); }
.site-nav a {
  color: var(--muted);
  font: 10px/1.2 var(--mono);
  letter-spacing: 0.09em;
  text-decoration: none;
  text-transform: uppercase;
}
.site-nav a:hover { color: var(--text); }
.site-nav .nav-test { color: var(--cyan); }

.eyebrow, .section-kicker, .mono-label {
  margin: 0;
  color: var(--cyan);
  font: 10px/1.5 var(--mono);
  letter-spacing: 0.13em;
  text-transform: uppercase;
}
.hero {
  display: grid;
  grid-template-columns: minmax(0, 650px) 1fr;
  align-items: center;
  gap: clamp(20px, 5vw, 80px);
  min-height: max(680px, calc(100svh - 82px));
  padding: 78px 0 90px;
  border-bottom: 1px solid var(--line);
}
.hero-copy { max-width: 650px; }
.hero h1 {
  margin: 20px 0 26px;
  font-size: clamp(66px, 8vw, 108px);
  font-weight: 520;
  letter-spacing: -0.075em;
  line-height: 0.94;
}
.hero h1 span { color: var(--magenta); }
.hero-lede {
  max-width: 520px;
  margin: 0;
  color: rgba(244, 244, 245, 0.8);
  font-size: clamp(16px, 1.7vw, 19px);
  line-height: 1.65;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 31px; }
.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 17px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--card);
  color: var(--text);
  font: 11px/1.2 var(--mono);
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: border-color 120ms ease, background-color 120ms ease, transform 120ms ease;
}
.button:hover { transform: translateY(-1px); border-color: rgba(244, 244, 245, 0.4); }
.button:disabled, .button:disabled:hover { cursor: wait; opacity: 0.58; transform: none; }
.button-primary { border-color: rgba(244, 244, 245, 0.34); background: rgba(8, 8, 10, 0.82); color: var(--text); }
.button-primary:hover { border-color: var(--magenta); background: rgba(240, 42, 167, 0.12); }
.button-cyan { border-color: transparent; background: rgba(8, 8, 10, 0.62); color: var(--cyan); }
.trust-line { margin: 28px 0 0; color: var(--muted); font: 10px/1.6 var(--mono); letter-spacing: 0.09em; }
.hero-aside {
  display: flex;
  width: min(100%, 270px);
  align-self: end;
  justify-self: end;
  align-items: flex-start;
  flex-direction: column;
  gap: 15px;
  margin-bottom: 22px;
  color: rgba(244, 244, 245, 0.8);
  font: 10px/1.65 var(--mono);
  letter-spacing: 0.13em;
  text-shadow: 0 2px 12px #08080a;
}
.aside-rule { width: 100%; height: 1px; background: linear-gradient(90deg, var(--magenta), var(--cyan)); }

.section { padding: 92px 0; border-bottom: 1px solid var(--line); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 28px; margin-bottom: 40px; }
.section-heading h2 { margin: 12px 0 0; font-size: clamp(38px, 5vw, 64px); font-weight: 520; letter-spacing: -0.065em; line-height: 1.02; }
.section-heading > p { max-width: 350px; margin: 0; color: var(--muted); font-size: 14px; }
.layer-list { border-top: 1px solid var(--line); }
.layer {
  display: grid;
  grid-template-columns: minmax(170px, 0.7fr) minmax(0, 2fr) auto;
  gap: clamp(20px, 4vw, 54px);
  align-items: start;
  padding: 32px 0 38px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(8, 8, 10, 0.96), rgba(8, 8, 10, 0.87) 73%, rgba(8, 8, 10, 0.42));
}
.layer:last-child { border-bottom: 0; }
.layer-index { color: var(--magenta); font: 27px/1.1 var(--mono); letter-spacing: -0.06em; }
.layer-index span { display: block; margin-top: 14px; color: var(--faint); font: 9px/1.4 var(--mono); letter-spacing: 0.1em; }
.layer h3 { margin: -5px 0 11px; font-size: clamp(24px, 3vw, 34px); font-weight: 550; letter-spacing: -0.05em; }
.layer p { max-width: 620px; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.65; }
.layer .small-note { margin-top: 15px; color: var(--faint); font: 11px/1.6 var(--mono); }
.layer-link { min-height: 44px; color: var(--cyan); font: 10px/44px var(--mono); letter-spacing: 0.1em; text-decoration: none; white-space: nowrap; }
.layer-link:hover { text-decoration: underline; }
.card {
  min-width: 0;
  padding: 24px;
  border-top: 1px solid rgba(117, 231, 226, 0.45);
  background: rgba(8, 8, 10, 0.87);
}
.card-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 30px; }
.card-number { color: var(--faint); font: 10px/1.2 var(--mono); letter-spacing: 0.1em; }
.badge {
  padding: 5px 7px;
  border: 1px solid rgba(117, 231, 226, 0.34);
  color: var(--cyan);
  font: 9px/1 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.card h3 { margin: 0 0 10px; font-size: 20px; letter-spacing: -0.04em; }
.card-link { display: inline-block; margin-top: 20px; color: var(--cyan); font: 10px/1.4 var(--mono); text-decoration: none; }
.card-link:hover { text-decoration: underline; }

.setup-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.steps { margin: 18px 0 0; padding: 0; list-style: none; counter-reset: step; }
.steps li {
  position: relative;
  min-height: 42px;
  padding: 11px 0 11px 38px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  counter-increment: step;
}
.steps li::before {
  position: absolute;
  top: 13px;
  left: 0;
  color: var(--cyan);
  content: "0" counter(step);
  font: 9px/1.3 var(--mono);
}
.steps strong { color: var(--text); font-weight: 600; }
.callout {
  margin-top: 14px;
  padding: 18px 20px;
  border-left: 2px solid var(--magenta);
  background: rgba(240, 42, 167, 0.055);
  color: var(--muted);
  font-size: 13px;
}
.callout strong { color: var(--text); }

.test-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: clamp(24px, 4vw, 40px);
  border: 1px solid rgba(117, 231, 226, 0.3);
  background: rgba(117, 231, 226, 0.035);
}
.test-cta h2 { margin: 7px 0 8px; font-size: clamp(26px, 4vw, 38px); letter-spacing: -0.06em; }
.test-cta p { max-width: 600px; margin: 0; color: var(--muted); font-size: 13px; }

.page-hero { padding: 66px 0 35px; border-bottom: 1px solid var(--line); }
.page-hero h1 { max-width: 800px; margin: 14px 0 16px; font-size: clamp(42px, 7vw, 72px); letter-spacing: -0.075em; line-height: 0.98; }
.page-hero > p:last-child { max-width: 700px; margin: 0; color: var(--muted); font-size: 15px; }
.test-layout { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(270px, 0.8fr); gap: 14px; padding: 36px 0 76px; }
.test-card { padding: clamp(20px, 4vw, 32px); border: 1px solid var(--line); background: rgba(11, 11, 15, 0.94); }
.test-card h2 { margin: 0 0 10px; font-size: 22px; letter-spacing: -0.045em; }
.test-card > p { margin: 0 0 18px; color: var(--muted); font-size: 13px; }
.probe-result { display: block; width: 100%; min-height: 52px; margin: 18px 0 0; padding: 13px 14px; border: 1px solid var(--line); color: var(--muted); font: 11px/1.55 var(--mono); overflow-wrap: anywhere; }
.probe-result[data-state="pass"] { border-color: rgba(117, 231, 226, 0.5); color: var(--cyan); }
.probe-result[data-state="warn"] { border-color: rgba(255, 174, 77, 0.5); color: #ffb04d; }
.probe-result[data-state="fail"] { border-color: rgba(255, 94, 116, 0.5); color: #ff7a8e; }
.probe-label { margin-top: 24px; }
.probe-label-secondary { margin-top: 18px; }
.status-list { display: grid; gap: 10px; margin: 18px 0 0; padding: 0; list-style: none; }
.status-list li { display: grid; grid-template-columns: 22px 1fr; gap: 9px; color: var(--muted); font-size: 12px; }
.status-list li::before { color: var(--cyan); content: "▸"; font-family: var(--mono); }
.disclaimer { margin: 14px 0 0; padding: 14px; border: 1px solid rgba(255, 174, 77, 0.25); color: var(--muted); font-size: 11px; }
.disclaimer strong { color: #ffca85; }

.site-footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; padding: 24px 0 34px; color: var(--faint); font: 9px/1.6 var(--mono); letter-spacing: 0.04em; }
.site-footer p { margin: 0; }
.site-footer a { color: var(--muted); text-decoration: none; }
.site-footer a:hover { color: var(--cyan); }

@media (max-width: 780px) {
  #ward-field { -webkit-mask-image: none; mask-image: none; }
  .hero { grid-template-columns: 1fr; gap: 42px; min-height: min(760px, 100svh); padding: 72px 0 58px; }
  .hero-aside { justify-self: end; width: 210px; margin: 0; }
  .layer { grid-template-columns: minmax(120px, 0.7fr) minmax(0, 2fr); }
  .layer-link { grid-column: 2; }
  .setup-grid { grid-template-columns: 1fr; }
  .section { padding: 66px 0; }
  .section-heading { align-items: start; flex-direction: column; }
  .test-layout { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .site-shell { width: min(100% - 36px, 1120px); }
  .site-header { gap: 8px; flex-wrap: wrap; padding: 12px 0; }
  .site-nav { width: 100%; justify-content: space-between; gap: 10px; }
  .site-nav a { font-size: 9px; letter-spacing: 0.02em; }
  .hero { min-height: 700px; padding: 80px 0 52px; }
  .hero h1 { font-size: clamp(60px, 15vw, 78px); }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .button { width: 100%; }
  .layer { grid-template-columns: 1fr; gap: 14px; }
  .layer-index span { display: inline; margin-left: 12px; }
  .layer-link { grid-column: 1; }
  .test-cta { align-items: stretch; flex-direction: column; }
  .test-cta .button { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}