.gt-certs {
  --gt-navy: #0b2346;
  --gt-blue: #0879ed;
  --gt-muted: #51627a;
  --gt-line: #e2e8f0;
  max-width: 920px;
  margin: 0 auto;
  padding: 36px 20px 64px;
  font-family: Montserrat, "Segoe UI", system-ui, sans-serif;
  color: var(--gt-navy);
}
.gt-certs * { box-sizing: border-box; }
.gt-certs h1,
.gt-certs h2,
.gt-certs p,
.gt-certs a,
.gt-certs button {
  font-family: inherit;
  text-transform: none;
  letter-spacing: normal;
}
.gt-certs__intro h1 {
  margin: 0 0 10px;
  font-size: 34px;
  font-weight: 800;
  line-height: 1.15;
  color: var(--gt-navy);
}
.gt-certs__intro p,
.gt-certs__intro li {
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.5;
  color: var(--gt-muted);
}
.gt-certs__intro p { margin: 0 0 12px; }
.gt-certs__intro ol {
  margin: 0 0 28px;
  padding-left: 1.2em;
}
.gt-certs__intro li { margin: 0 0 6px; }
.gt-certs__intro a,
.gt-certs__intro a:hover,
.gt-certs__intro a:focus {
  color: var(--gt-blue);
  font-weight: 700;
}
.gt-cert {
  scroll-margin-top: 96px;
  display: grid;
  grid-template-columns: minmax(180px, 240px) 1fr;
  gap: 22px;
  margin: 0 0 18px;
  padding: 22px;
  border: 1px solid var(--gt-line);
  border-radius: 12px;
  background: #fff;
}
.gt-cert__num {
  margin: 0 0 6px;
  color: var(--gt-blue);
  font-size: 13px;
  font-weight: 700;
}
.gt-cert h2 {
  margin: 0 0 6px;
  font-size: 26px;
  font-weight: 800;
  line-height: 1.15;
  color: var(--gt-navy);
}
.gt-cert__detail,
.gt-cert__date {
  margin: 0;
  color: var(--gt-muted);
  font-size: 14px;
  line-height: 1.4;
}
.gt-cert__date { margin-top: 8px; }
.gt-cert__label {
  margin: 0 0 6px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--gt-muted);
}
.gt-cert__hash {
  margin: 0 0 14px;
  padding: 10px 12px;
  border-radius: 8px;
  background: #f4f7fb;
  color: var(--gt-navy);
  font-family: Consolas, "Courier New", monospace;
  font-size: 13px;
  line-height: 1.45;
  overflow-wrap: anywhere;
}
.gt-cert__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.gt-cert__open,
.gt-cert__download,
.gt-cert__check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}
.gt-certs a.gt-cert__open,
.gt-certs a.gt-cert__open:hover,
.gt-certs a.gt-cert__open:focus,
.gt-certs a.gt-cert__open:active,
.gt-certs a.gt-cert__open:visited,
.gt-certs a.gt-cert__download,
.gt-certs a.gt-cert__download:hover,
.gt-certs a.gt-cert__download:focus,
.gt-certs a.gt-cert__download:active,
.gt-certs a.gt-cert__download:visited {
  background: var(--gt-navy);
  color: #fff;
  text-decoration: none;
}
.gt-certs button.gt-cert__check,
.gt-certs button.gt-cert__check:hover,
.gt-certs button.gt-cert__check:focus {
  border: 0;
  background: var(--gt-blue);
  color: #fff;
}
.gt-certs button.gt-cert__pick,
.gt-certs button.gt-cert__pick:hover,
.gt-certs button.gt-cert__pick:focus {
  border: 1px solid var(--gt-navy);
  background: #fff;
  color: var(--gt-navy);
}
.gt-cert-check {
  margin: 0 0 28px;
  padding: 18px;
  border: 1px dashed #b7c4d4;
  border-radius: 12px;
  background: #fff;
}
.gt-cert-check > p { margin: 0 0 12px; color: var(--gt-muted); }
.gt-cert-check.is-over { border-color: var(--gt-blue); background: #f3f8ff; }
.gt-cert__answer { margin-top: 14px; }
.gt-cert__owner {
  margin: 6px 0 10px;
  font-size: 16px;
  font-weight: 700;
  color: var(--gt-navy);
}
.gt-cert__result {
  margin: 0;
  font-size: 18px;
  font-weight: 800;
}
.gt-cert__result[data-state="ok"] { color: #0d7a45; }
.gt-cert__result[data-state="bad"] { color: #a12626; }
.gt-cert__file {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
  pointer-events: none;
}
.gt-cert__filename {
  margin: 10px 0 0;
  color: var(--gt-navy);
  font-size: 13px;
  font-weight: 700;
  overflow-wrap: anywhere;
}
.gt-cert__scanned { margin-top: 14px; }
.gt-cert__hash-got { margin-bottom: 0; }
.gt-cert__found {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 14px 0 0;
}
.gt-cert__found[hidden] { display: none; }
@media (max-width: 720px) {
  .gt-certs__intro h1 { font-size: 28px; }
  .gt-cert { grid-template-columns: 1fr; gap: 14px; }
}