/* ============================================================
   BUILTIFY — Certificate verification
   Scoped styles for the public verification page.
   ============================================================ */

.cert-shell {
  max-width: 1120px;
}

.cert-intro {
  padding: 44px 0 38px;
  background: #fff;
  border-bottom: 1px solid var(--border-light);
}

.cert-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
  font-size: 0.76rem;
  color: var(--ink-light);
}

.cert-breadcrumb a {
  color: var(--ink-muted);
}

.cert-breadcrumb a:hover {
  color: var(--accent);
}

.cert-breadcrumb span[aria-current] {
  color: var(--ink-soft);
}

.cert-intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 48px;
  align-items: end;
}

.cert-intro-copy h1 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.4vw, 2.65rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.025em;
  color: var(--ink);
}

.cert-intro-copy p {
  max-width: 650px;
  margin: 0;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--ink-muted);
}

.cert-intro-status {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  border: 1px solid var(--border-light);
  border-radius: 8px;
  background: var(--paper-light);
}

.cert-intro-status > i {
  margin-top: 2px;
  color: #157347;
  font-size: 1.05rem;
}

.cert-intro-status strong {
  display: block;
  margin-bottom: 3px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--ink);
}

.cert-intro-status span {
  display: block;
  font-size: 0.78rem;
  line-height: 1.55;
  color: var(--ink-muted);
}

/* ---- Main layout ---- */
.cert-body {
  padding: 38px 0 64px;
  background: #f7f7f8;
}

.cert-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 44px;
  align-items: start;
}

.cert-primary {
  min-width: 0;
}

/* ---- Form ---- */
.cert-form {
  padding: 26px;
  border: 1px solid var(--border-light);
  border-radius: 10px;
  background: #fff;
}

.cert-form-head {
  margin-bottom: 22px;
}

.cert-form-head h2 {
  margin: 0 0 5px;
  font-family: var(--font-display);
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--ink);
}

.cert-form-head p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.55;
  color: var(--ink-muted);
}

.cert-form > label {
  display: block;
  margin-bottom: 7px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--ink-soft);
}

.cert-input-row {
  display: flex;
  gap: 10px;
}

.cert-input-row input {
  flex: 1;
  min-width: 0;
  height: 50px;
  padding: 0 14px;
  border: 1px solid var(--border-strong);
  border-radius: 7px;
  background: #fff;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--ink);
  text-transform: uppercase;
  outline: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.cert-input-row input::placeholder {
  color: #9aa1a9;
  font-weight: 500;
  letter-spacing: 0.06em;
}

.cert-input-row input:hover {
  border-color: #b9bfc6;
}

.cert-input-row input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.cert-form .btn,
.cert-result-actions .btn,
.cert-notfound .btn {
  height: 50px;
  padding: 0 22px;
  border-radius: 7px;
  font-size: 0.86rem;
  font-weight: 600;
}

.cert-form .btn.is-busy {
  opacity: 0.75;
  cursor: progress;
}

.cert-form .btn .fa-spinner {
  animation: certSpin 0.8s linear infinite;
}

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

.cert-hint {
  margin: 9px 0 0;
  font-size: 0.76rem;
  line-height: 1.5;
  color: var(--ink-light);
}

.cert-hint strong {
  color: var(--ink-muted);
  font-weight: 600;
}

.cert-form-error {
  margin-top: 12px;
  padding: 9px 12px;
  border: 1px solid rgba(180, 35, 35, 0.22);
  border-radius: 6px;
  background: #fff6f6;
  font-size: 0.8rem;
  font-weight: 500;
  line-height: 1.5;
  color: #8a1c1c;
}

/* ---- Sidebar ---- */
.cert-sidebar {
  padding-left: 32px;
  border-left: 1px solid var(--border-light);
}

.cert-sidebar-block + .cert-sidebar-block {
  margin-top: 26px;
  padding-top: 26px;
  border-top: 1px solid var(--border-light);
}

.cert-sidebar-block h2 {
  margin: 0 0 8px;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.cert-sidebar-block p {
  margin: 0;
  font-size: 0.83rem;
  line-height: 1.65;
  color: var(--ink-muted);
}

.cert-sidebar-block p strong {
  color: var(--ink-soft);
}

.cert-format {
  margin-top: 12px !important;
  color: var(--ink-light) !important;
}

.cert-format code {
  padding: 2px 6px;
  border: 1px solid var(--border-light);
  border-radius: 4px;
  background: #fff;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.74rem;
  color: var(--ink-soft);
}

.cert-check-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.cert-check-list li {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  font-size: 0.83rem;
  line-height: 1.55;
  color: var(--ink-muted);
}

.cert-check-list li + li {
  margin-top: 9px;
}

.cert-check-list i {
  margin-top: 3px;
  font-size: 0.65rem;
  color: #157347;
}

.cert-sidebar-help a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 12px;
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--accent);
}

.cert-sidebar-help a:hover {
  text-decoration: underline;
}

/* ---- Result ---- */
.cert-result-section {
  margin-top: 24px;
  scroll-margin-top: 110px;
}

.cert-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 11px;
  min-height: 118px;
  padding: 24px;
  border: 1px solid var(--border-light);
  border-radius: 10px;
  background: #fff;
  font-size: 0.86rem;
  color: var(--ink-muted);
}

.cert-spinner {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border-strong);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: certSpin 0.8s linear infinite;
}

.cert-result,
.cert-notfound {
  border: 1px solid var(--border-light);
  border-radius: 10px;
  background: #fff;
  overflow: hidden;
}

.cert-result-head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 22px 26px;
  border-bottom: 1px solid var(--border-light);
  background: #fbfcfb;
}

.cert-result-icon {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid #cde6d8;
  border-radius: 50%;
  background: #eef8f2;
  color: #157347;
  font-size: 0.95rem;
}

.cert-result-heading {
  min-width: 0;
}

.cert-result-kicker {
  display: block;
  margin-bottom: 2px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #157347;
}

.cert-result-heading h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.33rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--ink);
}

.cert-result-heading h2:focus {
  outline: none;
}

.cert-result-heading p {
  margin: 4px 0 0;
  font-size: 0.83rem;
  line-height: 1.55;
  color: var(--ink-muted);
}

.cert-result-body {
  padding: 24px 26px 26px;
}

.cert-result-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.cert-details {
  border-top: 1px solid var(--border-light);
}

.cert-detail {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 11px 0;
  border-bottom: 1px solid var(--border-light);
}

.cert-detail span {
  flex-shrink: 0;
  font-size: 0.76rem;
  color: var(--ink-light);
}

.cert-detail strong {
  font-size: 0.84rem;
  font-weight: 600;
  line-height: 1.45;
  color: var(--ink-soft);
  text-align: right;
  overflow-wrap: anywhere;
}

.cert-detail strong.cert-mono {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.78rem;
  letter-spacing: 0.03em;
}

.cert-description {
  margin-top: 14px;
  padding: 11px 13px;
  border-left: 3px solid var(--border-strong);
  background: var(--paper-light);
  font-size: 0.81rem;
  line-height: 1.65;
  color: var(--ink-muted);
}

.cert-fingerprint {
  margin-top: 14px;
}

.cert-fingerprint span {
  display: block;
  margin-bottom: 3px;
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-light);
}

.cert-fingerprint code {
  display: block;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.7rem;
  line-height: 1.55;
  letter-spacing: 0.04em;
  color: var(--ink-muted);
  overflow-wrap: anywhere;
}

.cert-document-wrap {
  min-width: 0;
}

.cert-document-label {
  margin: 0 0 7px;
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--ink-soft);
}

.cert-document {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 230px;
  padding: 10px;
  border: 1px solid var(--border-light);
  border-radius: 7px;
  background: #fafafa;
}

.cert-document img {
  display: block;
  width: 100%;
  max-height: 460px;
  border: 1px solid var(--border-light);
  border-radius: 3px;
  background: #fff;
  object-fit: contain;
}

.cert-pdf {
  padding: 26px 16px;
  text-align: center;
}

.cert-pdf-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  margin: 0 auto 10px;
  border: 1px solid #ead3d3;
  border-radius: 6px;
  background: #fff;
  color: var(--accent);
  font-size: 1.2rem;
}

.cert-pdf p {
  margin: 0;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--ink-soft);
  overflow-wrap: anywhere;
}

.cert-pdf small {
  display: block;
  margin-top: 3px;
  font-size: 0.72rem;
  color: var(--ink-light);
}

.cert-pdf .btn {
  height: auto;
  margin-top: 14px;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 0.78rem;
}

.cert-result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  padding: 18px 26px;
  border-top: 1px solid var(--border-light);
}

.cert-result-actions .btn {
  height: 42px;
  padding: 0 18px;
  font-size: 0.82rem;
}

.cert-result-note {
  margin: 0;
  padding: 0 26px 22px;
  font-size: 0.73rem;
  line-height: 1.6;
  color: var(--ink-light);
}

.cert-result-note a {
  color: var(--accent);
  font-weight: 600;
}

/* ---- Not found / error ---- */
.cert-notfound {
  padding: 26px;
}

.cert-problem-head {
  display: flex;
  align-items: flex-start;
  gap: 13px;
}

.cert-problem-icon {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid #ecd9b8;
  border-radius: 50%;
  background: #fffaf0;
  color: #946200;
  font-size: 0.95rem;
}

.cert-problem-icon--error {
  border-color: #ead3d3;
  background: #fff6f6;
  color: #a51f1f;
}

.cert-notfound h2 {
  margin: 1px 0 4px;
  font-family: var(--font-display);
  font-size: 1.22rem;
  font-weight: 700;
  color: var(--ink);
}

.cert-notfound p {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.6;
  color: var(--ink-muted);
}

.cert-problem-tips {
  margin: 18px 0 0;
  padding: 14px 16px 14px 32px;
  border: 1px solid var(--border-light);
  border-radius: 6px;
  background: var(--paper-light);
}

.cert-problem-tips li {
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--ink-muted);
}

.cert-problem-tips li + li {
  margin-top: 5px;
}

.cert-problem-tips strong {
  color: var(--ink-soft);
}

.cert-notfound > .btn {
  height: 42px;
  margin-top: 18px;
  padding: 0 18px;
  border-radius: 7px;
  font-size: 0.82rem;
}

/* ---- How it works ---- */
.cert-process {
  padding: 44px 0 64px;
  border-top: 1px solid var(--border-light);
  background: #fff;
}

.cert-process-head {
  max-width: 620px;
  margin-bottom: 28px;
}

.cert-process-head h2 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--ink);
}

.cert-process-head p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.65;
  color: var(--ink-muted);
}

.cert-process-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
}

.cert-process-step {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding-top: 18px;
  border-top: 1px solid var(--border-light);
}

.cert-process-num {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 25px;
  height: 25px;
  border: 1px solid var(--border-strong);
  border-radius: 50%;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--ink-soft);
}

.cert-process-step h3 {
  margin: 2px 0 4px;
  font-family: var(--font-sans);
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--ink);
}

.cert-process-step p {
  margin: 0;
  font-size: 0.81rem;
  line-height: 1.6;
  color: var(--ink-muted);
}

/* ---- Footer ----
   This page has no fixed background video, so the global transparent footer
   would leave its light text invisible against the page background. */
.footer {
  background: var(--footer-bg);
}

/* ---- Toast ---- */
.cert-toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: 2000;
  padding: 10px 18px;
  border-radius: 6px;
  background: var(--ink);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 500;
  box-shadow: 0 8px 24px rgba(16, 24, 40, 0.2);
  transform: translate(-50%, 14px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.cert-toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ---- Visibility ---- */
.cert-form-error[hidden],
.cert-result-section[hidden],
.cert-loading[hidden],
.cert-result[hidden],
.cert-notfound[hidden],
.cert-document img[hidden],
.cert-pdf[hidden],
.cert-description[hidden] {
  display: none !important;
}

/* ---- Responsive ---- */
@media (max-width: 960px) {
  .cert-intro-grid {
    grid-template-columns: 1fr;
    gap: 22px;
    align-items: start;
  }

  .cert-intro-status {
    max-width: 420px;
  }

  .cert-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .cert-sidebar {
    padding: 28px 0 0;
    border-top: 1px solid var(--border-light);
    border-left: 0;
  }

  .cert-result-grid {
    grid-template-columns: 1fr;
  }

  .cert-process-grid {
    gap: 22px;
  }
}

@media (max-width: 700px) {
  .cert-intro {
    padding: 30px 0 28px;
  }

  .cert-breadcrumb {
    margin-bottom: 18px;
  }

  .cert-intro-copy p {
    font-size: 0.94rem;
  }

  .cert-body {
    padding: 26px 0 44px;
  }

  .cert-form {
    padding: 18px;
  }

  .cert-input-row {
    flex-direction: column;
  }

  .cert-form .btn {
    width: 100%;
  }

  .cert-result-head,
  .cert-result-body,
  .cert-result-actions {
    padding-left: 18px;
    padding-right: 18px;
  }

  .cert-result-note {
    padding-left: 18px;
    padding-right: 18px;
  }

  .cert-detail {
    flex-direction: column;
    gap: 2px;
  }

  .cert-detail strong {
    text-align: left;
  }

  .cert-result-actions .btn {
    width: 100%;
  }

  .cert-process {
    padding: 34px 0 46px;
  }

  .cert-process-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .cert-form .btn .fa-spinner,
  .cert-spinner {
    animation-duration: 1.6s;
  }
}