/* harvis.dev palette: warm near-black canvas, one saturated accent, hairline borders. */
:root {
  --canvas: #13161a;
  --surface: #191d21;
  --inset: #0c0e10;
  --line: rgba(255, 255, 255, 0.14);
  --hairline: rgba(255, 255, 255, 0.10);
  --text: #f7f8f6;
  --muted: #b4bac1;
  --accent: #ff4d17;
  --accent-text: #ff9575;
  --accent-fg: #ffffff;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: light) {
  :root {
    --canvas: #f6f7ee;
    --surface: #fdfdf8;
    --inset: #eceee1;
    --line: rgba(6, 7, 8, 0.16);
    --hairline: rgba(6, 7, 8, 0.10);
    --text: #13161a;
    --muted: #484f57;
    --accent: #e03a08;
    --accent-text: #e03a08;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--canvas);
  color: var(--text);
  font: 16px/1.65 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 72px 24px 56px;
}

main.centered {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.eyebrow {
  margin: 0 0 12px;
  font: 12px/1 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-text);
}

h1 {
  margin: 0 0 16px;
  font-size: clamp(30px, 6vw, 44px);
  line-height: 1.1;
  letter-spacing: -0.025em;
}

h2 {
  margin: 0 0 8px;
  font-size: 20px;
  letter-spacing: -0.01em;
}

.lede {
  margin: 0 0 40px;
  max-width: 62ch;
  color: var(--muted);
}

p { margin: 0 0 16px; }

a { color: var(--accent-text); }

code {
  font: 13px/1.5 var(--mono);
  background: var(--inset);
  border: 1px solid var(--hairline);
  padding: 1px 5px;
}

pre {
  margin: 0 0 16px;
  padding: 16px;
  overflow-x: auto;
  background: var(--inset);
  border: 1px solid var(--hairline);
}

pre code {
  background: none;
  border: 0;
  padding: 0;
}

/* Cards are flat with square corners — the house style. */
.card {
  margin: 0 0 24px;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--line);
}

.hint {
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 14px;
}

.row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

label {
  font: 11px/1 var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

input, select, textarea {
  width: 100%;
  padding: 10px 12px;
  background: var(--inset);
  border: 1px solid var(--line);
  color: var(--text);
  font: inherit;
  font-size: 15px;
}

textarea { resize: vertical; }

input:focus-visible,
select:focus-visible,
textarea:focus-visible,
button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.check {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
  font: inherit;
  font-size: 14px;
  letter-spacing: normal;
  text-transform: none;
  color: var(--muted);
}

.check input { width: auto; }

button, .button {
  display: inline-block;
  padding: 11px 20px;
  background: var(--accent);
  border: 1px solid var(--accent);
  color: var(--accent-fg);
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}

button:hover, .button:hover { filter: brightness(1.08); }

/* The subscribe form is one line until there is no room for one. */
.inline {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.inline input { flex: 1 1 240px; }

.meta {
  font: 13px/1.6 var(--mono);
  color: var(--muted);
}

footer {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--hairline);
  font-size: 14px;
  color: var(--muted);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}