:root {
  --paper: #f5f2ea;
  --ink: #171717;
  --muted: #69645c;
  --line: #cbc5b9;
  --signal: #f05328;
  --panel: #ece8dd;
  --max: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.45;
}

a { color: inherit; }

code {
  padding: 0.12em 0.32em;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.42);
  border-radius: 0.2rem;
  font: 0.88em ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.site-shell { min-height: 100vh; }

.site-header,
main,
.site-footer {
  width: min(calc(100% - 3rem), var(--max));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 5.5rem;
  border-bottom: 1px solid var(--line);
}

.wordmark {
  font-weight: 900;
  letter-spacing: -0.08em;
  text-decoration: none;
  font-size: 1.3rem;
}

.wordmark span { color: var(--signal); }

.site-header nav { display: flex; gap: 1.25rem; }
.site-header nav a { color: var(--muted); font-size: 0.86rem; text-decoration: none; }
.site-header nav a:hover { color: var(--ink); }

.hero {
  max-width: 57rem;
  padding: clamp(5.5rem, 13vw, 11rem) 0 clamp(5rem, 10vw, 8rem);
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--signal);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.15em;
}

h1, h2, h3, p { margin-top: 0; }

h1 {
  margin-bottom: 1.75rem;
  font-size: clamp(3.4rem, 8vw, 7.6rem);
  letter-spacing: -0.085em;
  line-height: 0.85;
}

h1 em { color: var(--signal); font-style: normal; }

.hero-copy {
  max-width: 43rem;
  font-size: clamp(1.08rem, 1.8vw, 1.36rem);
  color: #3d3a35;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin: 2rem 0 1.25rem; }

.button {
  display: inline-flex;
  align-items: center;
  min-height: 2.9rem;
  padding: 0.65rem 1rem;
  border: 1px solid var(--ink);
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
}

.button-primary { background: var(--ink); color: var(--paper); }
.button-primary:hover { background: var(--signal); border-color: var(--signal); }
.button-secondary:hover { background: white; }
.setup-note { color: var(--muted); font-size: 0.88rem; }

.section { padding: clamp(3.5rem, 8vw, 7rem) 0; border-top: 1px solid var(--line); }
.section-heading { max-width: 48rem; }
h2 { max-width: 52rem; margin-bottom: 1.75rem; font-size: clamp(2rem, 4.5vw, 4.5rem); letter-spacing: -0.06em; line-height: 0.94; }
h3 { margin-bottom: 0.55rem; font-size: 1.08rem; letter-spacing: -0.025em; }

.catalog-guide { max-width: 53rem; margin-bottom: 1.25rem; color: var(--muted); font-size: 0.94rem; }
.catalog-list { border-top: 2px solid var(--ink); }
.catalog-row {
  display: grid;
  grid-template-columns: minmax(10rem, 1.6fr) repeat(3, minmax(4rem, 0.6fr)) minmax(9rem, 1fr);
  gap: 1rem;
  align-items: center;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--line);
}
.catalog-title { font-weight: 800; letter-spacing: -0.03em; }
.catalog-meta { color: var(--muted); font-size: 0.84rem; }
.catalog-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 0.45rem; }
.control {
  min-height: 2.2rem;
  padding: 0.38rem 0.65rem;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  font: inherit;
  font-size: 0.8rem;
  font-weight: 700;
}
.control:hover:not(:disabled) { border-color: var(--signal); color: var(--signal); }
.control:disabled { cursor: not-allowed; color: var(--muted); border-color: var(--line); }
.purchase-link { font-size: 0.8rem; font-weight: 700; }

.split-section { display: grid; grid-template-columns: minmax(13rem, 0.8fr) minmax(20rem, 1.2fr); gap: clamp(2rem, 8vw, 9rem); }
.step-list article { display: grid; grid-template-columns: 3rem 1fr; column-gap: 0.8rem; padding: 1.15rem 0; border-top: 1px solid var(--line); }
.step-list article:last-child { border-bottom: 1px solid var(--line); }
.step-list span { color: var(--signal); font-size: 0.8rem; font-weight: 800; }
.step-list h3, .step-list p { grid-column: 2; }
.step-list p { margin-bottom: 0; color: var(--muted); }

.handoff-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.handoff-grid article { min-height: 13rem; padding: 1.2rem; background: var(--panel); }
.handoff-grid p:last-child { margin-bottom: 0; color: var(--muted); }
.file-label { color: var(--signal); font: 0.73rem ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }

.site-footer { display: flex; justify-content: space-between; gap: 1rem; padding: 1.8rem 0; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.78rem; }

@media (max-width: 700px) {
  .site-header, main, .site-footer { width: min(calc(100% - 2rem), var(--max)); }
  .site-header { min-height: 4.6rem; }
  .site-header nav { gap: 0.8rem; font-size: 0.8rem; }
  .catalog-row { grid-template-columns: 1fr 1fr; }
  .catalog-title { grid-column: 1 / -1; }
  .catalog-actions { justify-content: flex-start; }
  .split-section, .handoff-grid { grid-template-columns: 1fr; }
  .site-footer { flex-direction: column; }
}