@font-face {
  font-family: "Geist";
  src: url("assets/fonts/geist-latin.woff2") format("woff2");
  font-weight: 400 600;
  font-display: swap;
}

@font-face {
  font-family: "Geist Mono";
  src: url("assets/fonts/geist-mono-latin.woff2") format("woff2");
  font-weight: 400 600;
  font-display: swap;
}

:root {
  --bg: #100f0e;
  --surface: #1c1b19;
  --line: #2a2826;
  --text: #f2efe9;
  --muted: #9b978f;
  --mint: #00f0ae;
  --on-mint: #07110d;

  --sans: "Geist", ui-sans-serif, system-ui, sans-serif;
  --mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  color-scheme: dark;
}

* { box-sizing: border-box; }

html {
  background: var(--bg);
  -webkit-text-size-adjust: 100%;
  scrollbar-color: var(--line) var(--bg);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 0.9375rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  overflow-x: clip;
}

::selection { background: var(--mint); color: var(--on-mint); }

a { color: inherit; }
p, h1, h2, h3 { margin: 0; }

:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 3px;
  border-radius: 0.5rem;
}

.page {
  max-width: 36rem;
  margin: 0 auto;
  padding-left: max(1.25rem, env(safe-area-inset-left));
  padding-right: max(1.25rem, env(safe-area-inset-right));
}

.mono { font-family: var(--mono); }
.muted { color: var(--muted); }
.small { font-size: 0.8125rem; }

/* Intro */

.intro {
  padding-top: max(3.5rem, calc(env(safe-area-inset-top) + 2rem));
  padding-bottom: 3rem;
}

.who {
  display: flex;
  align-items: center;
  gap: 0.875rem;
}

.logo {
  display: block;
  width: 3.5rem;
  height: 3.5rem;
}

.name { font-weight: 600; }
.role { color: var(--muted); font-size: 0.875rem; }

h1 {
  margin-top: 2.5rem;
  font-size: clamp(1.375rem, 5.5vw, 1.625rem);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.lede {
  margin-top: 0.875rem;
  color: var(--muted);
  text-wrap: pretty;
}

.bridge {
  margin-top: 0.875rem;
  text-wrap: pretty;
}

/* Ticker */

.ticker {
  overflow: hidden;
  background: var(--surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 0.75rem 0;
  color: var(--mint);
  font-family: var(--mono);
  font-size: 0.8125rem;
}

.ticker-track {
  display: flex;
  width: max-content;
}

.ticker span { white-space: nowrap; }

.ticker span::after {
  content: "/";
  margin: 0 1.25rem;
  color: var(--muted);
}

/* Sections */

.block { padding-top: 3.5rem; }
.block:last-child { padding-bottom: 1rem; }

h2 {
  font-size: 1.0625rem;
  font-weight: 600;
}

.sub {
  margin-top: 0.25rem;
  color: var(--muted);
  text-wrap: pretty;
}

/* Guide */

.guide {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: 1.25rem;
  margin-top: 1.25rem;
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  background: var(--surface);
}

.cover {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 0.375rem;
}

.guide h3 {
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

.guide-body > p { margin-top: 0.5rem; text-wrap: pretty; }
.guide-body > p.small { margin-top: 0.25rem; }

.dashes {
  list-style: none;
  margin: 0.75rem 0 0;
  padding: 0;
}

.dashes li {
  position: relative;
  padding-left: 1.125rem;
}

.dashes li::before {
  content: "–";
  position: absolute;
  left: 0;
  color: var(--muted);
}

.toc {
  margin-top: 0.75rem;
}

.toc summary {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  color: var(--muted);
  text-decoration: underline;
  text-decoration-color: var(--line);
  text-underline-offset: 0.3em;
  cursor: pointer;
  transition: color 0.2s;
}

.toc ol {
  margin: 0.25rem 0 0;
  padding-left: 1.5rem;
  font-size: 0.875rem;
}

.toc li::marker { color: var(--muted); font-family: var(--mono); font-size: 0.75rem; }
.toc p { margin-top: 0.5rem; }

.buy {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  min-height: 2.75rem;
  margin-top: 1rem;
  padding: 0 1.125rem;
  border-radius: 0.5rem;
  background: var(--mint);
  color: var(--on-mint);
  font-weight: 600;
  text-decoration: none;
  transition: background-color 0.2s, transform 0.2s var(--ease);
}

.buy:active { transform: scale(0.98); }

@media (max-width: 30rem) {
  .guide { grid-template-columns: 1fr; }
  .cover { width: 7.5rem; }
  .buy { display: flex; justify-content: center; }
}

/* Lists */

.list {
  list-style: none;
  margin: 1rem -0.75rem 0;
  padding: 0;
}

.row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem;
  border-radius: 0.625rem;
  text-decoration: none;
  transition: background-color 0.2s;
}

.row-main {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
  min-width: 0;
}

.row-title { font-weight: 500; }

.side {
  flex: none;
  max-width: 11rem;
  font-size: 0.8125rem;
  text-align: right;
}

.perk { color: var(--mint); }

.app { align-items: flex-start; justify-content: flex-start; }

.app img {
  flex: none;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.625rem;
}

@media (max-width: 30rem) {
  .row:not(.app) { flex-direction: column; gap: 0.25rem; }
  .side { max-width: none; text-align: left; }
}

/* Footer */

.foot {
  padding-top: 3rem;
  padding-bottom: max(2.5rem, env(safe-area-inset-bottom));
  color: var(--muted);
  font-size: 0.875rem;
}

.foot .mono { margin-top: 0.25rem; font-size: 0.8125rem; }

/* Hover, only where a pointer can hover */

@media (hover: hover) {
  .row:hover { background: var(--surface); }
  .buy:hover { background: #3dffc5; }
  .toc summary:hover { color: var(--text); }
}

/* Motion */

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
  .ticker-track { animation: scroll 48s linear infinite; }
}

@keyframes scroll {
  to { transform: translateX(-50%); }
}