:root {
  --void: #05070c;
  --ink: #e8eef8;
  --muted: #8d9cb3;
  --faint: #5c6b82;
  --line: rgba(94, 234, 212, 0.14);
  --glass: rgba(12, 18, 28, 0.72);
  --panel: #0c121c;
  --panel-2: #101826;
  --accent: #5eead4;
  --accent-dim: rgba(94, 234, 212, 0.16);
  --accent-deep: #2dd4bf;
  --warn: #f5c15c;
  --miss: #f0a36b;
  --cite: #9bb7ff;
  --ok: #5eead4;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
  --sans: "Public Sans", "Segoe UI", system-ui, sans-serif;
  --mono: "IBM Plex Mono", "Cascadia Mono", ui-monospace, monospace;
  --radius: 18px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { color-scheme: dark; }
body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
  background:
    radial-gradient(1200px 700px at 12% -10%, rgba(94, 234, 212, 0.12), transparent 55%),
    radial-gradient(900px 600px at 110% 10%, rgba(155, 183, 255, 0.1), transparent 50%),
    var(--void);
  background-attachment: fixed;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.045) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse at 50% 20%, #000 30%, transparent 80%);
  animation: grid-drift 48s linear infinite;
  z-index: 0;
}
@keyframes grid-drift {
  from { background-position: 0 0, 0 0; }
  to { background-position: 72px 72px, 72px 72px; }
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: #b7fff3; }

.mast, main, footer { position: relative; z-index: 1; }

.mast {
  border-bottom: 1px solid var(--line);
  background: rgba(5, 7, 12, 0.7);
  backdrop-filter: blur(18px);
}
.mast-inner, .wrap, .foot-inner {
  width: min(1080px, calc(100% - 40px));
  margin: 0 auto;
}
.mast-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
}
.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 300;
  font-size: 22px;
  letter-spacing: 0.04em;
  text-transform: lowercase;
}
.wordmark .mark {
  width: 14px;
  height: 18px;
  border: 1.5px solid var(--accent);
  border-radius: 2px 8px 2px 2px;
  position: relative;
  box-shadow: 0 0 16px rgba(94, 234, 212, 0.35);
}
.wordmark .mark::after {
  content: "";
  position: absolute;
  top: -1.5px;
  right: -1.5px;
  width: 7px;
  height: 7px;
  background: var(--accent);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
}
.wordmark span { font-weight: 500; color: var(--accent); }
nav { display: flex; gap: 6px; font-size: 13px; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; }
nav a {
  color: var(--muted);
  padding: 8px 12px;
  border-radius: 999px;
}
nav a:hover, nav a[aria-current="page"] {
  color: var(--ink);
  background: var(--accent-dim);
}

main { flex: 1; padding: 56px 0 80px; }

.kicker {
  margin: 0 0 10px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
}
h1 {
  margin: 0 0 10px;
  font-weight: 300;
  font-size: clamp(36px, 6vw, 64px);
  letter-spacing: -0.035em;
  line-height: 1.05;
}
.lede {
  max-width: 34rem;
  margin: 0 0 32px;
  color: var(--muted);
  font-size: 18px;
  font-weight: 300;
}

.ask-box {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas: "label label" "field go";
  gap: 10px 12px;
  align-items: end;
  padding: 16px;
  margin: 0 0 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--glass);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(20px);
}
.ask-box label {
  grid-area: label;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--faint);
}
.ask-box textarea {
  grid-area: field;
  width: 100%;
  min-height: 72px;
  padding: 14px 16px;
  border: 0;
  border-radius: 12px;
  background: #070b12;
  color: var(--ink);
  font: inherit;
  font-size: 18px;
  font-weight: 300;
  resize: vertical;
  outline: 1px solid transparent;
}
.ask-box textarea:focus {
  outline-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-dim);
}
.ask-box button {
  grid-area: go;
  height: 72px;
  padding: 0 22px;
  border: 0;
  border-radius: 12px;
  background: var(--accent);
  color: #04201c;
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
}
.ask-box button:hover { background: #b7fff3; }

.states {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0 0 36px;
}
.states span {
  padding: 4px 8px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.chips-label {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--faint);
}
.tiles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 0 0 36px;
}
.tile {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 160px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  color: var(--ink);
  text-decoration: none;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.tile:hover {
  border-color: var(--accent);
  color: var(--ink);
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(94, 234, 212, 0.08);
}
.tile .hero {
  font-size: clamp(36px, 4vw, 48px);
  font-weight: 200;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.tile .unit {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--faint);
}
.tile .q {
  margin-top: auto;
  font-size: 14px;
  font-weight: 400;
  color: var(--ink);
}

.price {
  margin: 8px 0 0;
  font-size: 18px;
  font-weight: 300;
}
.price small { color: var(--muted); font-size: 13px; }
.fine { color: var(--muted); font-size: 14px; }

.banner {
  margin: 0 0 16px;
  padding: 14px 16px;
  border: 1px solid rgba(245, 193, 92, 0.35);
  border-radius: 12px;
  background: rgba(245, 193, 92, 0.08);
  color: var(--warn);
  font-size: 14px;
}
.banner.error {
  border-color: rgba(240, 163, 107, 0.4);
  background: rgba(240, 163, 107, 0.08);
  color: var(--miss);
}

.example {
  padding: 22px;
  margin: 0 0 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--glass);
  backdrop-filter: blur(16px);
  animation: rise 0.45s ease;
}
@keyframes rise {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}
.example .q {
  margin: 0 0 8px;
  font-size: 22px;
  font-weight: 300;
  letter-spacing: -0.02em;
}
.meta {
  margin: 0 0 14px;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.02em;
}
.kpis {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
  margin: 0 0 18px;
}
.kpi {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #070b12;
}
.kpi .hero {
  display: block;
  font-size: 32px;
  font-weight: 200;
  letter-spacing: -0.04em;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.kpi .unit {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--faint);
}

.example table { width: 100%; border-collapse: collapse; font-size: 14px; }
.example th, .example td {
  text-align: left;
  padding: 10px 10px 10px 0;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.example th {
  color: var(--faint);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.num {
  font-variant-numeric: tabular-nums;
  font-weight: 500;
  color: var(--ink);
  white-space: nowrap;
}
.miss {
  margin: 12px 0 0;
  padding: 10px 14px;
  border-left: 2px solid var(--warn);
  color: var(--muted);
  font-size: 14px;
}
.cite {
  color: var(--cite);
  font-family: var(--mono);
  font-size: 12px;
}

h2.section {
  margin: 40px 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}
.list { padding-left: 18px; color: var(--muted); }
.list li { margin: 0 0 8px; }

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 0 0 28px;
}
.stat {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}
.stat b {
  display: block;
  font-size: 28px;
  font-weight: 200;
  letter-spacing: -0.03em;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.stat span {
  color: var(--faint);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

footer {
  border-top: 1px solid var(--line);
  padding: 22px 0 32px;
  color: var(--faint);
  font-size: 13px;
  background: rgba(5, 7, 12, 0.85);
}
.foot-inner { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.legal a { color: var(--faint); margin-left: 14px; }
.legal a:hover { color: var(--ink); }

code { font-family: var(--mono); font-size: 0.92em; color: var(--cite); }

@media (max-width: 800px) {
  .tiles, .stats { grid-template-columns: 1fr; }
  .ask-box {
    grid-template-columns: 1fr;
    grid-template-areas: "label" "field" "go";
  }
  .ask-box button { height: 48px; width: 100%; }
}
@media (max-width: 640px) {
  .mast-inner { flex-direction: column; align-items: flex-start; }
  h1 { font-size: 34px; }
}
@media (prefers-reduced-motion: reduce) {
  body::before, .example, .tile { animation: none; }
  .tile { transition: none; }
}