:root {
  --bg: #070708;
  --fg: #f4f4f2;
  --mute: #9a9a94;
  --line: rgba(255, 255, 255, 0.12);
  --pad: clamp(1.25rem, 4vw, 2.5rem);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--fg);
  background: var(--bg);
  font: 16px/1.5 ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}

.grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 50% 0%, black 20%, transparent 70%);
  opacity: 0.45;
}

.top {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem var(--pad);
  border-bottom: 1px solid var(--line);
  background: rgba(7, 7, 8, 0.86);
  backdrop-filter: blur(12px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--fg);
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.brand img {
  border-radius: 8px;
}

nav {
  display: flex;
  gap: 1.25rem;
}

nav a {
  color: var(--mute);
  text-decoration: none;
  font-size: 0.92rem;
}

nav a:hover { color: var(--fg); }

main {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
  padding: 3rem var(--pad) 5rem;
}

.hero {
  text-align: center;
  padding-bottom: 2.5rem;
}

.mark {
  border-radius: 22px;
  box-shadow: 0 0 0 1px var(--line);
}

.hero .kicker {
  margin: 1.4rem 0 0.6rem;
  color: var(--mute);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: 1.75rem;
  line-height: 1.2;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.hero h1 {
  margin: 0 auto;
  max-width: 18ch;
  font-size: clamp(1.85rem, 4.5vw, 2.6rem);
  line-height: 1.15;
}

.legal .grid {
  opacity: 0.18;
  mask-image: linear-gradient(black, transparent 55%);
}

.doc {
  max-width: 38rem;
}

.doc-head {
  margin: 0 0 2.25rem;
  padding: 0 0 1.5rem;
  border-bottom: 1px solid var(--line);
}

.doc-head .doc-label,
.doc-head h1,
.doc-head .doc-meta {
  display: block;
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 0;
  text-align: left;
}

.doc-head .doc-label {
  margin-bottom: 0.85rem;
  color: var(--mute);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.doc-head h1 {
  margin-bottom: 0.85rem;
  font-size: 1.65rem;
  letter-spacing: -0.02em;
}

.doc-head .doc-meta {
  color: var(--mute);
  font-size: 0.95rem;
  line-height: 1.5;
}

.doc section {
  margin-bottom: 1.85rem;
}

.doc h2 {
  margin: 0 0 0.55rem;
  font-size: 1.02rem;
}

.doc p {
  margin: 0 0 0.7rem;
  line-height: 1.65;
}

.doc p:last-child {
  margin-bottom: 0;
}

nav a[aria-current="page"] {
  color: var(--fg);
}

.hero .lede {
  margin: 1rem auto 0;
  max-width: 42ch;
  color: var(--mute);
}

.cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1.6rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--fg);
  text-decoration: none;
  font-size: 0.92rem;
}

.btn.primary {
  background: var(--fg);
  color: var(--bg);
  border-color: var(--fg);
}

.btn:hover { filter: brightness(1.08); }

.facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin: 0.5rem 0 2.5rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}

.facts article {
  padding: 1.1rem 1rem;
  text-align: center;
}

.facts article + article {
  border-left: 1px solid var(--line);
}

.num {
  display: block;
  font-size: 1.7rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.04em;
}

.lbl {
  display: block;
  margin-top: 0.2rem;
  color: var(--mute);
  font-size: 0.78rem;
}

section { margin-bottom: 2.4rem; }

h2 {
  margin: 0 0 0.7rem;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

p { margin: 0 0 0.8rem; color: #c9c9c3; }

.note { color: var(--mute); font-size: 0.9rem; }

pre {
  overflow-x: auto;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #101012;
}

pre + pre { margin-top: 0.75rem; }

code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.82rem;
}

p code, .lbl code, .note code {
  padding: 0.05em 0.35em;
  border-radius: 4px;
  background: #18181c;
  font-size: 0.85em;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

th, td {
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

td:last-child, th:last-child {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

th { color: var(--mute); font-weight: 500; }

.app .store { display: inline-block; margin-top: 0.4rem; }

ol {
  margin: 0 0 0.8rem;
  padding-left: 1.2rem;
  color: #c9c9c3;
}

main a {
  color: var(--fg);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

footer {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  padding: 1.2rem var(--pad) 2rem;
  border-top: 1px solid var(--line);
  color: var(--mute);
  font-size: 0.85rem;
}

footer a { color: var(--mute); }

@media (max-width: 640px) {
  .facts { grid-template-columns: 1fr; }
  .facts article + article { border-left: 0; border-top: 1px solid var(--line); }
  nav { gap: 0.85rem; }
}