/* termpdf-rs marketing site — terminal-themed dark default */

:root {
  --bg: #0d1117;
  --bg-elev: #161b22;
  --bg-code: #010409;
  --border: #30363d;
  --fg: #e6edf3;
  --fg-muted: #7d8590;
  --accent: #7ee787;
  --accent-dim: #56d364;
  --link: #79c0ff;
  --link-hover: #a5d6ff;
  --warn: #f85149;
  --keyword: #d2a8ff;
  --max-width: 880px;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, "Cascadia Mono",
          Menlo, Consolas, "Liberation Mono", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
          "Helvetica Neue", Arial, sans-serif;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #ffffff;
    --bg-elev: #f6f8fa;
    --bg-code: #f6f8fa;
    --border: #d0d7de;
    --fg: #1f2328;
    --fg-muted: #59636e;
    --accent: #1a7f37;
    --accent-dim: #116329;
    --link: #0969da;
    --link-hover: #0550ae;
    --warn: #cf222e;
    --keyword: #8250df;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 60px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--link); text-decoration: none; }
a:hover { color: var(--link-hover); text-decoration: underline; }

code, pre, kbd { font-family: var(--mono); }

kbd {
  display: inline-block;
  padding: 1px 6px;
  font-size: 0.85em;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 4px;
  box-shadow: inset 0 -1px 0 var(--border);
  color: var(--fg);
  white-space: nowrap;
}

pre, code {
  font-size: 14px;
}

pre {
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  overflow-x: auto;
  line-height: 1.5;
  margin: 0;
}

p code, li code, td code {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.9em;
}

/* nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(13, 17, 23, 0.85);
  backdrop-filter: saturate(180%) blur(8px);
  -webkit-backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--border);
}
@media (prefers-color-scheme: light) {
  .nav { background: rgba(255, 255, 255, 0.85); }
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 16px;
  color: var(--fg);
  letter-spacing: -0.01em;
}
.brand:hover { text-decoration: none; color: var(--accent); }
.brand .dot { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-left: auto;
  font-size: 14px;
}
.nav-links a {
  color: var(--fg-muted);
}
.nav-links a:hover { color: var(--fg); text-decoration: none; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--fg);
  font-size: 14px;
  padding: 6px 10px;
  cursor: pointer;
  margin-left: auto;
}

@media (max-width: 600px) {
  .nav-links {
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    width: 100%;
    padding: 16px 20px;
    margin: 0;
    border-top: 1px solid var(--border);
    background: var(--bg);
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: inline-block; }
  .nav-inner { flex-wrap: wrap; padding: 10px 16px; }
}

/* layout */
main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

section {
  padding: 56px 0;
  border-bottom: 1px solid var(--border);
}
section:last-of-type { border-bottom: none; }
section > h2 {
  font-size: 24px;
  margin: 0 0 24px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
section > p, section > ul {
  max-width: 65ch;
}

/* hero */
.hero {
  padding: 80px 0 48px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.hero h1 {
  font-size: 40px;
  line-height: 1.2;
  margin: 0 0 16px;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.hero .sub {
  font-size: 18px;
  color: var(--fg-muted);
  margin: 0 0 32px;
  max-width: 65ch;
}

.install-line {
  position: relative;
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 56px 14px 16px;
  font-family: var(--mono);
  font-size: 13px;
  overflow-x: auto;
  white-space: nowrap;
  margin: 0 0 20px;
}
.install-line .prompt { color: var(--accent); user-select: none; margin-right: 8px; }
.install-line .copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 5px;
  cursor: pointer;
}
.install-line .copy-btn:hover { background: var(--border); }
.install-line .copy-btn.copied { color: var(--accent); }

.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
  margin: 0 0 32px;
}
.btn {
  display: inline-block;
  padding: 9px 18px;
  border-radius: 7px;
  font-size: 14px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: var(--sans);
}
.btn-primary {
  background: var(--accent);
  color: #0d1117;
}
.btn-primary:hover { background: var(--accent-dim); text-decoration: none; color: #0d1117; }
.btn-ghost {
  background: transparent;
  color: var(--fg);
  border-color: var(--border);
}
.btn-ghost:hover { background: var(--bg-elev); text-decoration: none; color: var(--fg); }

/* terminal demo block */
.terminal {
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.5;
  margin: 24px 0;
  overflow: hidden;
}
.terminal-bar {
  background: var(--bg-elev);
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 6px;
}
.terminal-dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.terminal-dot.r { background: #ff5f56; }
.terminal-dot.y { background: #ffbd2e; }
.terminal-dot.g { background: #27c93f; }
.terminal-title {
  margin-left: 12px;
  color: var(--fg-muted);
  font-size: 12px;
}
.terminal-body {
  padding: 16px 18px;
  white-space: pre;
  overflow-x: auto;
  color: var(--fg);
  min-height: 220px;
}
.terminal-body .frame {
  color: var(--fg-muted);
}
.terminal-body .pageblock {
  color: var(--fg-muted);
}
.terminal-body .status {
  color: var(--accent);
}
.terminal-body .hl { color: var(--keyword); }

/* features grid */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 8px;
}
@media (max-width: 800px) { .features { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .features { grid-template-columns: 1fr; } }

.feature {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px;
}
.feature h3 {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 700;
  color: var(--fg);
}
.feature .icon {
  font-family: var(--mono);
  color: var(--accent);
  font-size: 14px;
  margin-right: 6px;
  letter-spacing: -0.05em;
}
.feature p {
  margin: 0;
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.5;
}

/* tables */
.table-wrap { overflow-x: auto; max-width: 100%; }
table {
  width: 100%;
  max-width: 600px;
  border-collapse: collapse;
  font-size: 14px;
  margin: 12px 0 16px;
}
table caption {
  text-align: left;
  font-weight: 600;
  color: var(--fg);
  padding: 6px 0 8px;
  caption-side: top;
}
th, td {
  text-align: left;
  padding: 9px 12px;
  border-bottom: 1px solid var(--border);
}
th {
  font-weight: 600;
  color: var(--fg-muted);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.num { font-family: var(--mono); text-align: right; }
.win { color: var(--accent); font-weight: 600; }
.lose { color: var(--warn); font-weight: 600; }
.ratio { color: var(--keyword); font-weight: 600; }

.caption {
  font-size: 13px;
  color: var(--fg-muted);
  margin-top: 8px;
}

/* install tabs */
.tabs {
  display: flex;
  gap: 2px;
  border-bottom: 1px solid var(--border);
  margin-top: 4px;
}
.tab-btn {
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--fg-muted);
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  padding: 10px 14px;
  cursor: pointer;
  margin-bottom: -1px;
}
.tab-btn[aria-selected="true"] {
  color: var(--fg);
  border-bottom-color: var(--accent);
}
.tab-panel { display: none; padding-top: 16px; }
.tab-panel.active { display: block; }
.tab-panel p { margin: 0 0 12px; font-size: 14px; color: var(--fg-muted); }

/* details / FAQ */
details {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-elev);
  padding: 0 16px;
  margin-bottom: 8px;
}
details > summary {
  cursor: pointer;
  padding: 12px 0;
  font-weight: 600;
  color: var(--fg);
  font-size: 15px;
  list-style: none;
}
details > summary::-webkit-details-marker { display: none; }
details > summary::before {
  content: "+";
  display: inline-block;
  width: 16px;
  color: var(--accent);
  font-family: var(--mono);
}
details[open] > summary::before { content: "−"; }
details > *:not(summary) { padding-bottom: 16px; margin: 0; color: var(--fg-muted); }
details > p { padding-bottom: 16px !important; padding-top: 0; }

/* footer */
footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
  margin-top: 0;
  font-size: 14px;
  color: var(--fg-muted);
}
.footer-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 600px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-col h4 {
  margin: 0 0 10px;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--fg);
}
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 6px; }
.footer-meta {
  max-width: var(--max-width);
  margin: 24px auto 0;
  padding: 16px 20px 0;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
}
.footer-meta a.up { color: var(--fg-muted); }
.footer-meta a.up:hover { color: var(--accent); text-decoration: none; }

/* mobile hero scaling */
@media (max-width: 600px) {
  .hero { padding: 48px 0 32px; }
  .hero h1 { font-size: 28px; }
  .hero .sub { font-size: 16px; }
  section { padding: 40px 0; }
}

/* skip link */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: var(--bg);
  padding: 8px 12px;
  z-index: 100;
}
.skip-link:focus { left: 8px; top: 8px; }

/* utility */
.muted { color: var(--fg-muted); }
.mono { font-family: var(--mono); }