/* XSN Archive Viewer: product page. No web fonts, no frameworks. Colours follow the app icon. */
:root {
  --navy: #1f3a5f;
  --blue: #2b6cb0;
  --blue-dark: #1d4f86;
  --amber: #f0a830;
  --amber-dark: #d4891a;
  --ink: #1b2430;
  --muted: #4a5868;
  --line: #d9e1ea;
  --bg-soft: #f4f7fb;
  --radius: 10px;
  --wrap: 1120px;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--ink);
  background: #fff;
  overflow-wrap: break-word;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--blue-dark); }
a:hover { color: var(--navy); }
:focus-visible { outline: 3px solid var(--amber-dark); outline-offset: 2px; border-radius: 4px; }

code {
  font-family: ui-monospace, "Cascadia Mono", Consolas, "Liberation Mono", monospace;
  font-size: 0.9em;
  background: #eef2f7;
  padding: 0.1em 0.35em;
  border-radius: 4px;
}

h1, h2, h3 { line-height: 1.2; color: var(--navy); }
h1 { font-size: clamp(2rem, 5vw, 3rem); margin: 0.3em 0 0.4em; letter-spacing: -0.01em; }
h2 { font-size: clamp(1.5rem, 3.2vw, 2rem); margin: 0 0 0.8em; }
h3 { font-size: 1.15rem; margin: 0 0 0.4em; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 780px; }
.center { text-align: center; justify-content: center; }

.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--navy); color: #fff; padding: 8px 14px; z-index: 10;
}
.skip:focus { left: 8px; top: 8px; color: #fff; }

/* Header */
.site-header { border-bottom: 1px solid var(--line); background: #fff; }
.header-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; min-height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--navy); font-weight: 700; font-size: 1.1rem; }
.nav { list-style: none; display: flex; gap: 4px 20px; margin: 0; padding: 0; flex-wrap: wrap; }
.nav a { text-decoration: none; color: var(--muted); font-weight: 500; padding: 6px 0; display: inline-block; }
.nav a:hover { color: var(--navy); }

/* Sections */
main > section { padding: 64px 0; }
.band { background: var(--bg-soft); }

.hero { background: linear-gradient(180deg, #eef4fb 0%, #fff 100%); }
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }
.eyebrow { margin: 0; color: var(--blue-dark); font-weight: 600; font-size: 0.95rem; }
.lead { font-size: 1.2rem; color: var(--muted); margin: 0 0 1.6em; }
.facts { list-style: none; padding: 0; margin: 1.4em 0 0; display: flex; flex-wrap: wrap; gap: 6px 22px; color: var(--muted); font-size: 0.95rem; }
.facts li::before { content: "\2713"; color: var(--blue); font-weight: 700; margin-right: 6px; }

.hero-shot { margin: 0; }
.hero-shot img {
  border-radius: 6px;
  box-shadow: 0 1px 2px rgba(20, 40, 70, 0.12), 0 12px 32px rgba(20, 40, 70, 0.18);
  border: 1px solid var(--line);
}
.hero-shot figcaption { font-size: 0.85rem; color: var(--muted); margin-top: 10px; text-align: center; }

/* Buttons */
.cta { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-block; text-decoration: none; font-weight: 700; font-size: 1.05rem;
  padding: 13px 22px; border-radius: 8px; border: 2px solid transparent; text-align: center;
}
.btn-primary { background: var(--navy); color: #fff; }
.btn-primary:hover { background: var(--blue-dark); color: #fff; }
.btn-accent { background: var(--amber); color: #1b1b1b; }
.btn-accent:hover { background: var(--amber-dark); color: #1b1b1b; }

/* Feature cards */
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.card { border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; background: #fff; }
.card p { margin: 0; color: var(--muted); }

.outputs { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin-top: 40px; }
.outputs > div { min-width: 0; }
.tree {
  margin: 0; padding: 18px; background: #16263d; color: #e3ebf5; border-radius: var(--radius);
  overflow-x: auto; font-size: 0.88rem; line-height: 1.7;
}
.tree code { background: none; padding: 0; color: inherit; }
.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
.csv { border-collapse: collapse; width: 100%; font-size: 0.85rem; font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; }
.csv th, .csv td { padding: 8px 10px; border-bottom: 1px solid var(--line); text-align: left; white-space: nowrap; }
.csv th { background: var(--bg-soft); color: var(--navy); }
.csv tr:last-child td { border-bottom: 0; }
.note { font-size: 0.88rem; color: var(--muted); margin: 8px 0 0; }

/* Steps */
.steps { list-style: none; counter-reset: step; padding: 0; margin: 0 0 24px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.steps li { counter-increment: step; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.steps li::before {
  content: counter(step); display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: 50%; background: var(--amber); color: #1b1b1b; font-weight: 700; margin-bottom: 12px;
}
.steps p { margin: 0; color: var(--muted); }

/* Pricing */
.plans { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; max-width: 860px; margin: 0 auto; }
.plan { border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; display: flex; flex-direction: column; background: #fff; }
.plan-main { border: 2px solid var(--navy); }
.price { font-size: 2.2rem; font-weight: 800; color: var(--navy); margin: 0 0 12px; }
.price span { font-size: 1rem; font-weight: 500; color: var(--muted); }
.plan ul { padding-left: 1.2em; margin: 0 0 22px; flex: 1; }
.plan li { margin-bottom: 6px; }
.small { font-size: 0.85rem; color: var(--muted); margin: 12px 0 0; }

/* FAQ */
details { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 10px; }
summary { cursor: pointer; padding: 16px 20px; font-weight: 600; color: var(--navy); list-style: none; display: flex; gap: 12px; }
summary::-webkit-details-marker { display: none; }
summary::before { content: "+"; flex: none; width: 1em; color: var(--blue); font-weight: 700; }
details[open] > summary::before { content: "\2212"; }
summary:hover { color: var(--blue-dark); }
details p { margin: 0; padding: 0 20px 18px; color: var(--muted); }

ul.plain { padding-left: 1.2em; margin: 0 0 28px; }

/* Footer */
.site-footer { background: var(--navy); color: #d6e0ec; padding: 36px 0; font-size: 0.9rem; }
.site-footer a { color: #fff; }
.footer-links { list-style: none; display: flex; flex-wrap: wrap; gap: 8px 24px; padding: 0; margin: 0 0 16px; }
.site-footer p { margin: 0 0 8px; }
.tm { color: #b9c7d8; font-size: 0.82rem; }

/* Legal placeholder pages */
.doc { padding: 56px 0 80px; }
.doc .draft { background: #fff6e5; border: 1px solid var(--amber); border-radius: var(--radius); padding: 16px 20px; }

/* Responsive */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .hero-shot { max-width: 520px; margin: 0 auto; }
  .cards { grid-template-columns: 1fr 1fr; }
  .outputs { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  main > section { padding: 44px 0; }
  .steps, .plans { grid-template-columns: 1fr; }
  .lead { font-size: 1.1rem; }
}
@media (max-width: 520px) {
  .wrap { padding: 0 16px; }
  .cards { grid-template-columns: 1fr; }
  .header-row { padding-top: 10px; padding-bottom: 10px; }
  .nav { gap: 2px 16px; font-size: 0.95rem; }
  .cta .btn { width: 100%; }
}
.btn-soon { background: transparent; color: var(--navy); border: 2px dashed currentColor; cursor: default; }
.doc .table-wrap { overflow-x: auto; margin: 0 0 1.2em; }
.doc table { border-collapse: collapse; width: 100%; font-size: .95rem; }
.doc th, .doc td { border: 1px solid #d5dbe3; padding: 8px 10px; text-align: left; vertical-align: top; }
.doc th { background: var(--bg-soft); color: var(--navy); }