:root {
  --trace-navy: #0d1f2d;
  --trace-navy-2: #17364a;
  --trace-red: #a1262d;
  --trace-gold: #d5a34a;
  --trace-ink: #172533;
  --trace-muted: #607284;
  --trace-line: #dce5ea;
  --trace-soft: #f3f7f9;
  --trace-green: #177245;
  --trace-green-soft: #eaf7f0;
  --trace-yellow: #8b5c00;
  --trace-yellow-soft: #fff7df;
}

.trace-page {
  background: #f4f7f9;
  color: var(--trace-ink);
}

.trace-page .site-header {
  background: rgba(13, 31, 45, .97);
  padding: .6rem 0;
}

.trace-main {
  min-height: 72vh;
  padding: 118px 0 64px;
}

.trace-shell {
  width: min(760px, calc(100% - 32px));
  margin: 0 auto;
}

.trace-intro {
  text-align: center;
  margin-bottom: 28px;
}

.trace-kicker {
  display: inline-block;
  color: var(--trace-red);
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.trace-intro h1 {
  font-size: clamp(2rem, 7vw, 3.2rem);
  margin-bottom: 12px;
}

.trace-intro p {
  color: var(--trace-muted);
  max-width: 650px;
  margin: 0 auto;
}

.trace-card {
  background: #fff;
  border: 1px solid var(--trace-line);
  border-radius: 20px;
  box-shadow: 0 18px 45px rgba(13, 31, 45, .09);
  overflow: hidden;
}

.trace-search {
  padding: clamp(22px, 5vw, 38px);
}

.trace-search label {
  display: block;
  font-weight: 800;
  margin-bottom: 9px;
}

.trace-search-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
}

.trace-input {
  width: 100%;
  height: 52px;
  border: 1px solid #b9c8d1;
  border-radius: 10px;
  padding: 0 15px;
  color: var(--trace-ink);
  background: #fff;
  text-transform: uppercase;
}

.trace-input:focus {
  border-color: var(--trace-red);
  box-shadow: 0 0 0 3px rgba(161, 38, 45, .12);
}

.trace-button {
  min-height: 52px;
  border-radius: 10px;
  padding: 0 22px;
  background: var(--trace-red);
  color: #fff;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--trace-red);
}

.trace-button:hover { background: #861e24; }
.trace-button.secondary { background: #fff; color: var(--trace-navy); border-color: #b9c8d1; }
.trace-button.secondary:hover { background: var(--trace-soft); }

.trace-help {
  margin-top: 10px;
  color: var(--trace-muted);
  font-size: .88rem;
}

.trace-state {
  padding: clamp(22px, 5vw, 38px);
  border-bottom: 1px solid var(--trace-line);
}

.trace-state.valid {
  background: linear-gradient(135deg, #f2fbf6, #ffffff 68%);
}

.trace-state.invalid {
  background: linear-gradient(135deg, #fff4f4, #ffffff 68%);
}

.trace-state-row {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.trace-state-icon {
  flex: 0 0 50px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--trace-green);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 1.55rem;
  font-weight: 900;
}

.trace-state.invalid .trace-state-icon { background: var(--trace-red); }
.trace-state h1 { font-size: clamp(1.55rem, 5vw, 2.25rem); margin-bottom: 6px; }
.trace-state p { color: var(--trace-muted); }

.trace-demo-banner {
  background: var(--trace-yellow-soft);
  color: var(--trace-yellow);
  border-bottom: 1px solid #f2d98f;
  padding: 12px 24px;
  font-weight: 700;
  font-size: .9rem;
  text-align: center;
}

.trace-section {
  padding: clamp(22px, 5vw, 36px);
  border-bottom: 1px solid var(--trace-line);
}

.trace-section:last-child { border-bottom: 0; }
.trace-section h2 { font-size: 1.25rem; margin-bottom: 18px; }

.trace-product {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 24px;
  align-items: center;
}

.trace-product img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 14px;
  border: 1px solid var(--trace-line);
}

.trace-product h2 { margin-bottom: 4px; }
.trace-scientific { color: var(--trace-muted); font-style: italic; margin-bottom: 14px; }

.trace-data-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 13px 22px;
}

.trace-data-item span {
  display: block;
  font-size: .74rem;
  text-transform: uppercase;
  letter-spacing: .09em;
  color: var(--trace-muted);
  font-weight: 800;
  margin-bottom: 3px;
}

.trace-data-item strong { display: block; overflow-wrap: anywhere; }

.trace-code-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 14px;
  background: var(--trace-soft);
  border-radius: 10px;
  margin-top: 17px;
}

.trace-code-row code { font-size: .92rem; overflow-wrap: anywhere; }
.trace-copy { color: var(--trace-red); font-weight: 800; font-size: .82rem; white-space: nowrap; }

.trace-documents { display: grid; gap: 12px; }
.trace-document {
  border: 1px solid var(--trace-line);
  border-radius: 13px;
  padding: 16px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
}

.trace-document h3 { font-size: 1rem; margin-bottom: 5px; }
.trace-document p { color: var(--trace-muted); font-size: .86rem; }
.trace-doc-status {
  display: inline-flex;
  border-radius: 999px;
  padding: 6px 10px;
  background: var(--trace-green-soft);
  color: var(--trace-green);
  font-size: .76rem;
  font-weight: 800;
}
.trace-doc-status.demo { background: var(--trace-yellow-soft); color: var(--trace-yellow); }
.trace-document a { color: var(--trace-red); font-size: .83rem; font-weight: 800; }

.trace-evidence-note {
  color: var(--trace-muted);
  font-size: .83rem;
  line-height: 1.55;
  margin-top: 17px;
}

.trace-cta {
  text-align: center;
  background: var(--trace-navy);
  color: #fff;
}
.trace-cta h2, .trace-cta p { color: #fff; }
.trace-cta p { opacity: .78; margin: 0 auto 18px; max-width: 560px; }
.trace-cta .trace-button { background: var(--trace-gold); border-color: var(--trace-gold); color: var(--trace-navy); }

@media (max-width: 640px) {
  .trace-main { padding-top: 102px; }
  .trace-search-row { grid-template-columns: 1fr; }
  .trace-product { grid-template-columns: 1fr; }
  .trace-product img { aspect-ratio: 16 / 9; }
  .trace-data-grid { grid-template-columns: 1fr; }
  .trace-document { grid-template-columns: 1fr; }
  .trace-code-row { align-items: flex-start; flex-direction: column; }
}