:root {
  --navy: #1b3a6b;
  --navy-dark: #0f2347;
  --navy-tint: #eef2f9;
  --gold: #f2b705;
  --paper: #f4f6fa;
  --card: #ffffff;
  --ink: #182033;
  --muted: #5b6475;
  --border: #e1e6ef;
  --green: #1c8a4b;
  --green-bg: #eaf7ef;
  --red: #b3261e;
  --red-bg: #fbeceb;
  --amber-bg: #fff6e0;
  --amber-ink: #8a6100;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(15, 35, 71, 0.06), 0 8px 24px rgba(15, 35, 71, 0.06);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  background: var(--paper);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 20px;
}

/* --- Header ------------------------------------------------------------ */

.site-header {
  background: linear-gradient(135deg, var(--navy), var(--navy-dark));
  border-bottom: 3px solid var(--gold);
  color: #fff;
  padding: 18px 0;
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  color: #fff;
  text-decoration: none;
  min-width: 0;
}

.crest {
  width: 46px;
  height: 46px;
  flex: 0 0 auto;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.28);
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-text { display: flex; flex-direction: column; min-width: 0; }
.brand-name { font-size: 19px; font-weight: 700; letter-spacing: -0.01em; }
.brand-sub { font-size: 12.5px; color: #c9d4ea; }

.header-nav a {
  color: #dbe4f5;
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  padding: 8px 12px;
  border-radius: 8px;
}

.header-nav a:hover { background: rgba(255, 255, 255, 0.12); color: #fff; }

/* --- Intro --------------------------------------------------------------- */

main.wrap { padding-top: 32px; padding-bottom: 48px; }

.intro { margin-bottom: 22px; }

.eyebrow {
  margin: 0 0 4px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--navy);
}

.intro h2 {
  margin: 0 0 8px;
  font-size: 26px;
  line-height: 1.25;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

.intro p:last-child {
  margin: 0;
  max-width: 68ch;
  color: var(--muted);
}

/* --- Roadmap ------------------------------------------------------------- */

.roadmap {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 0 0 20px;
  padding: 0;
}

.roadmap-step {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 14px 16px;
  cursor: pointer;
  transition: border-color 0.15s, box-shadow 0.15s;
}

/* Connector to the next step, drawn in the grid gap. */
.roadmap-step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 27px;
  right: -13px;
  width: 14px;
  height: 2px;
  background: var(--border);
}

.roadmap-step:hover { border-color: var(--navy); }

.roadmap-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--navy-tint);
  color: var(--navy);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 8px;
}

.roadmap-label {
  display: block;
  font-size: 14px;
  font-weight: 650;
  color: var(--ink);
}

.roadmap-caption {
  display: block;
  margin-top: 2px;
  font-size: 12.5px;
  line-height: 1.4;
  color: var(--muted);
}

.roadmap-step.roadmap-active {
  border-color: var(--navy);
  box-shadow: 0 0 0 1px var(--navy), var(--shadow);
}

.roadmap-step.roadmap-active .roadmap-num { background: var(--navy); color: #fff; }

.roadmap-step.roadmap-done .roadmap-num { background: var(--green); color: #fff; }
.roadmap-step.roadmap-done::after { background: var(--green); }

/* --- Main panel ---------------------------------------------------------- */

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 34px 28px;
  text-align: center;
}

.card h2 {
  margin: 0 0 8px;
  font-size: 22px;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

.card p.desc {
  color: var(--muted);
  margin: 0 auto 22px;
  max-width: 52ch;
  font-size: 15px;
}

.use-case-tag {
  display: inline-block;
  color: var(--navy);
  background: var(--navy-tint);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 12.5px;
  font-weight: 600;
  margin: 0 0 12px;
}

.qr-box {
  display: inline-block;
  padding: 14px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  margin-bottom: 16px;
}

.qr-box img {
  display: block;
  width: 240px;
  height: 240px;
}

.status-line {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
  margin-top: 4px;
}

.spinner {
  width: 14px;
  height: 14px;
  border: 2px solid var(--border);
  border-top-color: var(--navy);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

@media (prefers-reduced-motion: reduce) {
  .spinner { animation-duration: 2.4s; }
}

.manual-continue { margin: 14px 0 0; }

/* --- Buttons ------------------------------------------------------------- */

.btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid var(--navy);
  background: var(--navy);
  color: #fff;
  font: inherit;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
  text-decoration: none;
  padding: 11px 22px;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.btn:hover { background: var(--navy-dark); border-color: var(--navy-dark); }

.btn.secondary { background: #fff; color: var(--navy); }
.btn.secondary:hover { background: var(--navy-tint); }

.btn:focus-visible,
.btn-link:focus-visible,
.roadmap-step:focus-visible,
.header-nav a:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
}

.btn-link {
  appearance: none;
  background: none;
  border: none;
  color: var(--muted);
  font: inherit;
  font-size: 13px;
  text-decoration: underline;
  cursor: pointer;
  padding: 4px;
}

.btn-link:hover { color: var(--navy); }

/* --- "More to try" cards ------------------------------------------------- */

.section-title {
  margin: 34px 0 12px;
  font-size: 16px;
  letter-spacing: -0.005em;
}

.more-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 20px;
}

.extra-step {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 18px 20px;
}

.extra-step-highlight { border-color: #c8d3e8; background: linear-gradient(180deg, #fff, #f7f9fd); }

.extra-step-badge {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--navy);
  background: var(--navy-tint);
  border-radius: 999px;
  padding: 3px 10px;
}

.extra-step-highlight .extra-step-badge { background: #fff4cc; color: #7a5a00; }

.extra-step-label {
  font-size: 15.5px;
  font-weight: 650;
  color: var(--ink);
  margin-top: 4px;
}

.extra-step-caption {
  font-size: 13.5px;
  color: var(--muted);
  flex: 1 1 auto;
  margin-bottom: 8px;
}

/* --- Results ------------------------------------------------------------- */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 15px;
  padding: 9px 18px;
  border-radius: 999px;
  margin-bottom: 10px;
}

.badge.success { background: var(--green-bg); color: var(--green); }
.badge.error { background: var(--red-bg); color: var(--red); }

.error-box {
  background: var(--red-bg);
  color: var(--red);
  border-radius: 10px;
  padding: 14px 16px;
  font-size: 13.5px;
  text-align: left;
  margin: 16px 0;
}

.final-box {
  background: var(--green-bg);
  border-radius: 12px;
  padding: 18px 20px;
  margin-top: 10px;
}

.final-box p { margin: 0; }

.review-box {
  background: var(--amber-bg);
  border-radius: 12px;
  padding: 18px 20px;
  margin: 4px auto 22px;
  max-width: 420px;
  text-align: left;
}

.review-claims {
  margin: 0;
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 14px;
  row-gap: 6px;
}

.review-claims dt { color: var(--amber-ink); font-weight: 700; font-size: 13.5px; }
.review-claims dd { margin: 0; color: var(--ink); font-size: 13.5px; }

/* --- About page ---------------------------------------------------------- */

.about-card { text-align: left; }
.about-card h2 { margin-top: 0; }

.about-card h3 {
  font-size: 15.5px;
  margin: 24px 0 6px;
  color: var(--navy);
}

.about-card p {
  font-size: 15px;
  line-height: 1.65;
  margin: 0 0 8px;
  max-width: 70ch;
}

/* --- Footer -------------------------------------------------------------- */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 18px 0 28px;
  font-size: 12.5px;
  color: var(--muted);
}

.hidden { display: none !important; }

/* --- Small screens ------------------------------------------------------- */

@media (max-width: 720px) {
  .roadmap { grid-template-columns: 1fr 1fr; }
  .roadmap-step::after { display: none; }
  .more-grid { grid-template-columns: 1fr; }
  .intro h2 { font-size: 22px; }
  .card { padding: 26px 18px; }
  .brand-sub { display: none; }
}

@media (max-width: 420px) {
  .qr-box img { width: 210px; height: 210px; }
  .header-nav a { padding: 6px 8px; }
}