:root {
  --bg: #0d1117;
  --panel: #161b22;
  --panel-hover: #1f2937;
  --border: #30363d;
  --text: #e6edf3;
  --text-muted: #8b949e;
  --link: #58a6ff;
  --link-hover: #79c0ff;
  --button: #238636;
  --button-hover: #2ea043;
  --copy: #30363d;
  --copy-hover: #484f58;
  --code-bg: #0b1118;
  --max-width: 900px;
  --radius: 8px;
  --brand: #0277FA;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family:
      system-ui,
      -apple-system,
      BlinkMacSystemFont,
      "Segoe UI",
      Roboto,
      Helvetica,
      Arial,
      sans-serif;
  font-size: 16px;
  line-height: 1.6;
}
.container {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}
.hero {
  padding: 4rem 0 2rem;
  border-bottom: 1px solid var(--border);
}
main {
  padding: 2rem 0;
}
section {
  margin-bottom: 3rem;
}
h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.2;
}
h1 span {
  color: var(--brand);
}
h2 {
  margin-top: 0;
  margin-bottom: 1rem;
  font-size: 1.75rem;
}
h3 {
  margin-top: 0;
}
.lead {
  margin-top: 1rem;
  color: var(--text-muted);
  max-width: 60ch;
}
p {
  margin-top: 0;
}
a {
  color: var(--link);
  text-decoration: none;
}
a:hover {
  color: var(--link-hover);
  text-decoration: underline;
}
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}
hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 2rem 0;
}
.button {
  display: inline-block;
  background: var(--button);
  color: white;
  padding: .7rem 1.2rem;
  border-radius: 6px;
  font-weight: 600;
}
.button:hover {
  background: var(--button-hover);
  color: white;
  text-decoration: none;
}
.crypto {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.crypto-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .75rem;
}
.crypto-header {
  width: 100%;
}
code {
  flex: 1;
  min-width: 260px;
  overflow-wrap: anywhere;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .65rem .75rem;
  font-size: .92rem;
  font-family:
      ui-monospace,
      SFMono-Regular,
      Consolas,
      "Liberation Mono",
      monospace;
}
.copy-btn {
  cursor: pointer;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--copy);
  color: var(--text);
  padding: .65rem .9rem;
  font-size: .9rem;
}
.copy-btn:hover 
  background: var(--copy-hover);
}
.project-list {
  margin: 0;
  padding-left: 1.2rem;
}
.project-list li {
  margin-bottom: .75rem;
}
footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  text-align: center;
  color: var(--text-muted);
}
footer p {
  margin: .4rem 0;
}
@media (max-width: 640px) {
  .crypto-item {
    flex-direction: column;
    align-items: stretch;
  }
  code {
    min-width: 100%;
  }
  .copy-btn {
    width: 100%;
  }
}