/* Public free-tool pages.
   Extends the app stylesheet with a marketing-page shell. Same tokens --
   these pages are the first impression, so they must look like the product,
   not like a separate microsite. */

body.public { background: var(--concrete); }

/* ---------- header ---------- */
.pub-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 18px; padding: 14px 26px; background: var(--ink);
  position: sticky; top: 0; z-index: 20;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 22px 22px;
}
.pub-brand {
  display: flex; align-items: center; gap: 10px;
  color: #fff; text-decoration: none; font-family: 'Archivo';
  font-weight: 800; font-size: 16.5px; letter-spacing: -.3px;
}
.pub-brand .mark {
  width: 34px; height: 34px; border-radius: 9px; background: var(--amber);
  display: grid; place-items: center; font-size: 17px;
}
.pub-brand small {
  display: block; font-family: 'Plus Jakarta Sans'; font-weight: 500;
  font-size: 10px; color: #8fb0cc; text-transform: uppercase; letter-spacing: .5px;
}
.pub-nav { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.pub-nav a {
  color: #cfe0ee; text-decoration: none; font-size: 14px; font-weight: 600;
  padding: 8px 12px; border-radius: 9px;
}
.pub-nav a:hover { background: rgba(255,255,255,.08); }
.pub-nav a.on { background: rgba(255,255,255,.12); color: #fff; }
.pub-nav a.cta {
  background: var(--amber); color: var(--ink); font-weight: 700;
}
.pub-nav a.cta:hover { background: var(--amber-hi); }

/* ---------- layout ---------- */
.pub-main { max-width: 1080px; margin: 0 auto; padding: 26px 20px 8px; }
.pub-hero { padding: 20px 0 26px; }
.pub-hero h1 {
  font-family: 'Archivo'; font-size: 32px; letter-spacing: -.7px;
  line-height: 1.15; margin-bottom: 10px;
}
.pub-hero p { color: var(--muted); font-size: 15.5px; max-width: 62ch; }
.pub-hero .urdu { font-size: 19px; color: var(--ink-2); margin-top: 6px; }

.tool-grid { display: grid; grid-template-columns: 340px 1fr; gap: 16px; align-items: start; }
@media (max-width: 860px) { .tool-grid { grid-template-columns: 1fr; } }

.field { margin-bottom: 14px; }
.field label {
  display: block; font-size: 12.5px; font-weight: 700; color: var(--muted);
  margin-bottom: 5px;
}
.field .inp, .field select {
  width: 100%; padding: 11px 13px; border: 1px solid var(--line);
  border-radius: 10px; font-family: inherit; font-size: 15px;
  background: #fff; color: var(--ink);
}
.field .inp:focus, .field select:focus { outline: 2px solid var(--amber); border-color: var(--amber); }

.seg-row { display: flex; gap: 6px; flex-wrap: wrap; }
.seg-row button, .seg-row a {
  flex: 1; min-width: 92px; text-align: center; text-decoration: none;
  padding: 9px 10px; border: 1px solid var(--line); background: #fff;
  border-radius: 9px; font-family: inherit; font-size: 13px; font-weight: 600;
  color: var(--ink); cursor: pointer;
}
.seg-row .on { background: var(--ink); color: #fff; border-color: var(--ink); }

.big-answer {
  background: var(--ink); color: #fff; border-radius: 14px;
  padding: 22px 24px; margin-bottom: 14px;
}
.big-answer .q { font-size: 13.5px; color: #9fbad2; margin-bottom: 6px; }
.big-answer .a { font-family: 'Archivo'; font-size: 30px; letter-spacing: -.6px; }
.big-answer .a small { font-size: 16px; color: #cfe0ee; font-weight: 600; }

.warn {
  background: #fff6e8; border: 1px solid #f0d4a4; border-radius: 11px;
  padding: 13px 15px; font-size: 13.5px; color: #7a5314; margin-bottom: 14px;
}
.warn b { color: #5c3d0c; }

.result-table { width: 100%; border-collapse: collapse; }
.result-table td { padding: 11px 12px; border-bottom: 1px solid var(--line); font-size: 14.5px; }
.result-table tr:last-child td { border-bottom: 0; }
.result-table td:last-child { text-align: right; font-family: 'JetBrains Mono'; font-weight: 700; }
.result-table tr.hi td { background: #fffaf0; }

/* ---------- CTA + footer ---------- */
.pub-cta {
  max-width: 1080px; margin: 22px auto; padding: 24px 26px;
  background: var(--ink-2); border-radius: 16px; color: #fff;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  flex-wrap: wrap;
}
.pub-cta h2 { font-family: 'Archivo'; font-size: 21px; margin-bottom: 5px; }
.pub-cta p { color: #cfe0ee; font-size: 14px; max-width: 54ch; }
a.cta.big {
  background: var(--amber); color: var(--ink); text-decoration: none;
  padding: 13px 22px; border-radius: 11px; font-weight: 800;
  font-family: 'Archivo'; font-size: 15.5px; white-space: nowrap;
}
a.cta.big:hover { background: var(--amber-hi); }

.pub-foot {
  max-width: 1080px; margin: 0 auto; padding: 22px 20px 40px;
  display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap;
  border-top: 1px solid var(--line); font-size: 13px; color: var(--muted);
}
.pub-foot b { font-family: 'Archivo'; color: var(--ink); }
.pub-foot p { margin-top: 4px; max-width: 46ch; }
.pub-foot .links { display: flex; flex-direction: column; gap: 6px; }
.pub-foot .links a { color: var(--muted); text-decoration: none; }
.pub-foot .links a:hover { color: var(--ink); }

/* ---------- landing ---------- */
.tool-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 14px; }
.tool-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 20px; text-decoration: none; color: var(--ink); display: block;
  box-shadow: var(--shadow);
}
.tool-card:hover { border-color: var(--amber); }
.tool-card .ic { font-size: 26px; margin-bottom: 9px; }
.tool-card h3 { font-family: 'Archivo'; font-size: 17px; margin-bottom: 5px; }
.tool-card p { color: var(--muted); font-size: 13.5px; }
.tool-card .urdu { font-size: 15px; color: var(--ink-2); }

/* ---------- plot svg ---------- */
.plot-stage { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 16px; }
.plot-stage svg { width: 100%; height: auto; display: block; }