/* Shared styles for the PDF Editor site (landing + guides).
   The editor app (app.html) carries its own embedded styles. */
:root {
  --bg: #1e1e2e;
  --panel: #28283c;
  --accent: #7c6cf0;
  --accent-hover: #9385f5;
  --text: #e4e4ef;
  --muted: #9999b0;
  --border: #3a3a52;
  --maxw: 820px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
a { color: var(--accent-hover); }

/* Top navigation */
.site-nav {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 6px;
  padding: 12px 20px;
  background: rgba(40,40,60,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.site-nav .brand {
  font-weight: 700; font-size: 16px; margin-right: auto;
  color: var(--text); text-decoration: none;
}
.site-nav a.navlink {
  color: var(--muted); text-decoration: none;
  padding: 7px 12px; border-radius: 7px; font-size: 14px;
}
.site-nav a.navlink:hover { color: var(--text); background: #32324a; }
.site-nav a.navlink.active { color: var(--text); background: #32324a; }
.site-nav a.cta {
  background: var(--accent); color: #fff; padding: 8px 14px;
  border-radius: 7px; text-decoration: none; font-size: 14px; font-weight: 500;
}
.site-nav a.cta:hover { background: var(--accent-hover); }

/* Page content column */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 32px 20px 80px; }

/* Hero (landing) */
.hero { text-align: center; padding: 80px 20px 40px; max-width: 760px; margin: 0 auto; }
.hero h1 { font-size: 44px; line-height: 1.1; margin: 0 0 16px; }
.hero p { font-size: 18px; color: var(--muted); margin: 0 auto 28px; max-width: 600px; }
.btn {
  display: inline-block; background: var(--accent); color: #fff;
  padding: 13px 26px; border-radius: 9px; text-decoration: none;
  font-weight: 600; font-size: 16px; transition: background 0.15s;
}
.btn:hover { background: var(--accent-hover); }
.btn.secondary { background: #3a3a52; }
.btn.secondary:hover { background: #46466a; }

/* Feature cards */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px,1fr)); gap: 16px; margin: 56px auto; max-width: var(--maxw); padding: 0 20px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 22px; }
.card h3 { margin: 0 0 8px; font-size: 17px; }
.card p { margin: 0; color: var(--muted); font-size: 14px; }

/* Callout */
.callout { background: rgba(124,108,240,0.1); border: 1px solid var(--accent); border-radius: 10px; padding: 16px 18px; margin: 24px 0; }
.callout strong { color: var(--text); }

/* Guide typography */
.wrap h1 { font-size: 32px; margin: 0 0 8px; }
.wrap .lede { color: var(--muted); font-size: 17px; margin: 0 0 28px; }
.wrap h2 { font-size: 22px; margin: 40px 0 12px; padding-top: 8px; border-top: 1px solid var(--border); }
.wrap h3 { font-size: 17px; margin: 24px 0 8px; }
.wrap ul, .wrap ol { padding-left: 22px; }
.wrap li { margin: 6px 0; }
.wrap code {
  background: #2c2c42; border: 1px solid var(--border); border-radius: 5px;
  padding: 1px 6px; font-family: "Cascadia Code", Consolas, monospace; font-size: 13px;
}
.wrap pre {
  background: #16161f; border: 1px solid var(--border); border-radius: 8px;
  padding: 14px 16px; overflow-x: auto;
}
.wrap pre code { background: none; border: none; padding: 0; }
.wrap table { border-collapse: collapse; width: 100%; margin: 16px 0; }
.wrap th, .wrap td { border: 1px solid var(--border); padding: 9px 12px; text-align: left; font-size: 14px; }
.wrap th { background: var(--panel); }
.wrap blockquote {
  margin: 16px 0; padding: 10px 16px; border-left: 3px solid var(--accent);
  background: var(--panel); border-radius: 0 8px 8px 0; color: var(--muted);
}
.wrap blockquote strong { color: var(--text); }
.checklist { list-style: none; padding-left: 0; }
.checklist li::before { content: "☐ "; color: var(--accent); }

footer { text-align: center; color: var(--muted); font-size: 13px; padding: 30px 20px 50px; border-top: 1px solid var(--border); }