/* penknife - paper & ink, editorial. Its own design language. */

:root {
  --paper: #faf6ee;
  --paper-raised: #fffdf7;
  --ink: #2b2620;
  --ink-soft: #6b6157;
  --rule: #e4dccc;
  --red: #c0392b;
  --red-deep: #96281b;
  --term-bg: #26221c;
  --term-fg: #ece5d8;
  --term-dim: #9a9082;
  --ok: #4e9a06;
  --warn: #b58900;
  --space: 1rem;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: 'Source Serif 4', Georgia, serif;
  font-size: 18px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

code,
pre,
.mono {
  font-family: 'JetBrains Mono', monospace;
}

main {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 24px 80px;
}

a {
  color: var(--red);
}

a:hover {
  color: var(--red-deep);
}

a:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 2px;
}

/* Top bar */
.topbar {
  max-width: 780px;
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
}

.wordmark {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 18px;
  color: var(--ink);
  text-decoration: none;
}

.wordmark .blade {
  color: var(--red);
}

.topbar nav {
  display: flex;
  gap: 20px;
  font-size: 15px;
}

.topbar nav a {
  color: var(--ink-soft);
  text-decoration: none;
}

.topbar nav a:hover {
  color: var(--red);
}

/* Hero */
.hero {
  padding: 72px 0 40px;
  border-bottom: 1px solid var(--rule);
}

.hero h1 {
  font-size: clamp(38px, 7vw, 62px);
  line-height: 1.12;
  font-weight: 700;
  letter-spacing: -0.015em;
  max-width: 14em;
}

.hero h1 em {
  font-style: italic;
  color: var(--red);
}

.hero .dek {
  margin-top: 20px;
  font-size: 20px;
  color: var(--ink-soft);
  max-width: 34em;
}

/* Install strip */
.install {
  margin-top: 36px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.install-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.install-row .label {
  font-size: 13px;
  color: var(--ink-soft);
  font-family: 'JetBrains Mono', monospace;
  min-width: 5.5em;
}

.install-row pre {
  background: var(--term-bg);
  color: var(--term-fg);
  border-radius: 6px;
  padding: 10px 16px;
  font-size: 14px;
  overflow-x: auto;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.install-row pre .p {
  color: var(--term-dim);
  user-select: none;
}

.copy-btn {
  background: none;
  border: 1px solid rgba(236, 229, 216, 0.25);
  border-radius: 4px;
  color: var(--term-dim);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  padding: 3px 8px;
  cursor: pointer;
  flex-shrink: 0;
}

.copy-btn:hover {
  color: var(--term-fg);
  border-color: var(--term-fg);
}

.copy-btn.copied {
  color: var(--ok);
  border-color: var(--ok);
}

.cta-row {
  margin-top: 28px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 10px 22px;
  border-radius: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  text-decoration: none;
  border: 1px solid var(--ink);
}

.btn.primary {
  background: var(--red);
  border-color: var(--red);
  color: var(--paper-raised);
}

.btn.primary:hover {
  background: var(--red-deep);
  border-color: var(--red-deep);
  color: var(--paper-raised);
}

.btn.ghost {
  color: var(--ink);
}

.btn.ghost:hover {
  border-color: var(--red);
  color: var(--red);
}

/* Sections */
section {
  padding: 48px 0;
  border-bottom: 1px solid var(--rule);
}

section:last-of-type {
  border-bottom: none;
}

h2 {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 8px;
}

.kicker {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 10px;
}

section > p {
  color: var(--ink-soft);
  max-width: 38em;
  margin-bottom: 16px;
}

section > p strong {
  color: var(--ink);
}

/* Terminal windows */
.term {
  background: var(--term-bg);
  color: var(--term-fg);
  border-radius: 10px;
  margin: 24px 0;
  box-shadow: 0 10px 30px rgba(43, 38, 32, 0.18);
  overflow: hidden;
}

.term-title {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  background: rgba(0, 0, 0, 0.25);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--term-dim);
}

.term-title .dots {
  display: flex;
  gap: 6px;
}

.term-title .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #5a5347;
}

.term-title .dot.r { background: #e0604f; }
.term-title .dot.y { background: #e0b04f; }
.term-title .dot.g { background: #7fb069; }

.term pre {
  padding: 18px 20px;
  font-size: 14px;
  line-height: 1.75;
  overflow-x: auto;
}

.term .cmt { color: var(--term-dim); }
.term .p { color: var(--red); font-weight: 700; }
.term .hl { color: #e8c46b; }
.term .ok { color: #a3c98a; }
.term .up { color: #e8c46b; }
.term .conflict { color: #e0604f; }
.term .dim { color: var(--term-dim); }
.term .sel {
  background: rgba(232, 196, 107, 0.16);
  display: inline-block;
  width: 100%;
}

.caption {
  font-size: 15px;
  color: var(--ink-soft);
  font-style: italic;
  margin-top: -12px;
  margin-bottom: 24px;
}

img.demo {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--rule);
  border-radius: 10px;
  margin: 24px 0;
  box-shadow: 0 10px 30px rgba(43, 38, 32, 0.18);
}

/* Two-job cards */
.jobs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 28px;
}

.job {
  background: var(--paper-raised);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 22px 24px;
}

.job h3 {
  font-size: 19px;
  margin-bottom: 8px;
}

.job h3 .key {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  background: var(--ink);
  color: var(--paper);
  border-radius: 4px;
  padding: 2px 7px;
  vertical-align: 2px;
  margin-right: 8px;
}

.job p {
  font-size: 16px;
  color: var(--ink-soft);
}

.job .tag {
  display: inline-block;
  margin-top: 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--red);
}

/* Feature list */
.features {
  list-style: none;
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 40em;
}

.features li {
  padding-left: 1.6em;
  position: relative;
  color: var(--ink-soft);
  font-size: 17px;
}

.features li::before {
  content: "✕";
  position: absolute;
  left: 0;
  color: var(--red);
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
}

.features li strong {
  color: var(--ink);
}

.features code {
  font-size: 14px;
  background: rgba(43, 38, 32, 0.07);
  border-radius: 4px;
  padding: 1px 6px;
}

/* Pull quote */
blockquote {
  border-left: 3px solid var(--red);
  padding-left: 20px;
  margin: 24px 0;
  font-style: italic;
  color: var(--ink);
  max-width: 36em;
}

/* Footer */
footer {
  max-width: 780px;
  margin: 0 auto;
  padding: 28px 24px 48px;
  font-size: 15px;
  color: var(--ink-soft);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  border-top: 1px solid var(--rule);
}

footer a {
  color: var(--ink-soft);
}

footer a:hover {
  color: var(--red);
}

@media (max-width: 640px) {
  .jobs {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 48px;
  }

  body {
    font-size: 17px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}