/* ============================================================================
   rasvec.com — shared site styles (static site)
   Matches the Organic Contour Vector Engine tool's look & feel.
   ============================================================================ */
:root {
  --bg: #f5f5f7;
  --card: #ffffff;
  --ink: #1d1d1f;
  --ink-soft: #6e6e73;
  --border: #d2d2d7;
  --accent: #0071e3;
  --accent-hover: #0077ed;
  --shadow: 0 4px 14px rgba(0,0,0,0.06), 0 1px 3px rgba(0,0,0,0.04);
  --maxw: 1440px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display",
               "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---------- Top navigation ---------- */
.site-nav {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-nav .wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}
.site-nav .brand {
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
  margin-right: auto;
}
.site-nav a.navlink {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  padding: 6px 10px;
  border-radius: 8px;
  transition: 0.15s;
}
.site-nav a.navlink:hover { color: var(--accent); background: #f0f7ff; }
.site-nav a.navlink.active { color: var(--accent); }

/* ---------- Generic page content (about / privacy / instructions) ---------- */
.page {
  max-width: 820px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}
.page h1 {
  font-size: 30px;
  letter-spacing: -0.02em;
  margin: 8px 0 4px;
}
.page h2 {
  font-size: 20px;
  margin: 32px 0 8px;
}
.page p, .page li { color: #34343a; }
.page a { color: var(--accent); }
.page .lead { color: var(--ink-soft); font-size: 17px; }
.page .card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 20px 24px;
  margin: 18px 0;
}
.page table { width: 100%; border-collapse: collapse; margin: 12px 0; }
.page th, .page td {
  text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border);
  font-size: 14px; vertical-align: top;
}
.page th { color: var(--ink-soft); font-weight: 600; }

/* ---------- Homepage tool area ---------- */
.tool-wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 16px;
}
.tool-frame {
  width: 100%;
  border: 0;
  display: block;
  /* JS sizes the height to the tool's content; this is the fallback. */
  min-height: 900px;
}
.ad-slot { margin: 14px auto; max-width: var(--maxw); text-align: center; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  color: var(--ink-soft);
  font-size: 13px;
  text-align: center;
  padding: 24px 20px 40px;
}
.site-footer a { color: var(--ink-soft); }
.site-footer .links { margin-bottom: 6px; }
.site-footer .links a { margin: 0 8px; text-decoration: none; }
.site-footer .links a:hover { color: var(--accent); }