/* upright — darkroom neutrals + ochre accent. No purple, no gradients. */

:root {
  --bg: #141210;
  --surface: #1e1b17;
  --ink: #f2ebe0;
  --muted: #9a9185;
  --line: #2e2a24;
  --accent: #c17a3a;
  --accent-ink: #141210;
  --code-bg: #0c0b09;
  --font: "IBM Plex Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  --measure: 36rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 112.5%; /* 18px */
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-weight: 400;
  line-height: 1.5;
}

main {
  max-width: calc(var(--measure) + 4rem);
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}

.hero {
  margin-bottom: 3rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--line);
}

.mark {
  margin: 0 0 1.25rem;
  font-family: var(--mono);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--accent);
}

h1 {
  margin: 0 0 1.25rem;
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.02em;
  max-width: 22ch;
}

.price {
  margin: 0 0 1.75rem;
  color: var(--muted);
  font-size: 1rem;
}

.price-num {
  color: var(--ink);
  font-weight: 600;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  margin: 0;
}

.btn {
  display: inline-block;
  padding: 0.65rem 1.1rem;
  background: var(--accent);
  color: var(--accent-ink);
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid var(--accent);
}

.btn:hover,
.btn:focus-visible {
  background: #d08a48;
  border-color: #d08a48;
  outline: none;
}

.btn-ghost {
  display: inline-block;
  padding: 0.65rem 1.1rem;
  background: transparent;
  color: var(--ink);
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid var(--line);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  border-color: var(--muted);
  outline: none;
}

.block {
  margin-bottom: 2.75rem;
}

h2 {
  margin: 0 0 1rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

ul li {
  position: relative;
  padding: 0.55rem 0 0.55rem 1.15rem;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
}

ul li:last-child {
  border-bottom: none;
}

ul li::before {
  content: "–";
  position: absolute;
  left: 0;
  color: var(--accent);
}

.steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.steps li {
  counter-increment: step;
  position: relative;
  padding: 0.75rem 0 0.75rem 2.25rem;
  border-bottom: 1px solid var(--line);
}

.steps li:last-child {
  border-bottom: none;
}

.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0.75rem;
  width: 1.5rem;
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent);
}

.steps strong {
  font-weight: 600;
}

pre {
  margin: 0 0 1rem;
  padding: 1rem 1.1rem;
  background: var(--code-bg);
  border: 1px solid var(--line);
  overflow-x: auto;
}

code {
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 400;
}

pre code {
  display: block;
  line-height: 1.65;
  color: var(--ink);
  white-space: pre;
}

.note {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.note code {
  font-size: 0.85em;
  color: var(--ink);
}

.buy p {
  margin: 0 0 1.25rem;
  max-width: 36ch;
}

.fine {
  margin: 1rem 0 0 !important;
  font-size: 0.85rem;
  color: var(--muted);
}

footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

footer p {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--muted);
}

@media (max-width: 40rem) {
  main {
    padding: 2rem 1.15rem 3rem;
  }

  h1 {
    max-width: none;
  }
}