.synkro-shell {
  min-height: 100vh;
  background: #f4f7f8;
  color: #172026;
}

.synkro-hero {
  min-height: 86vh;
  display: grid;
  align-content: space-between;
  padding: 28px clamp(18px, 5vw, 76px) 72px;
  color: white;
  background:
    linear-gradient(90deg, rgba(9, 26, 34, 0.9), rgba(9, 26, 34, 0.5)),
    url("https://images.unsplash.com/photo-1586528116311-ad8dd3c8310d?auto=format&fit=crop&w=1800&q=80") center/cover;
}

.synkro-nav,
.synkro-hero-copy,
.synkro-section {
  width: min(1180px, 100%);
  margin: 0 auto;
}

.synkro-nav,
.synkro-nav div,
.synkro-brand,
.synkro-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}

.synkro-nav {
  justify-content: space-between;
}

.synkro-brand,
.synkro-nav a,
.synkro-actions .secondary-link {
  color: white;
  font-weight: 800;
  text-decoration: none;
}

.synkro-brand span {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: #28d6b0;
  color: #09212c;
}

.synkro-hero-copy {
  padding-top: clamp(90px, 16vw, 180px);
}

.synkro-kicker {
  margin: 0 0 14px;
  color: #28d6b0;
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.synkro-hero h1 {
  margin: 0;
  font-size: clamp(4rem, 11vw, 8rem);
  line-height: 0.9;
}

.synkro-hero p {
  max-width: 720px;
  margin: 20px 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  line-height: 1.55;
}

.synkro-actions {
  margin-top: 30px;
}

.synkro-section {
  padding: clamp(48px, 7vw, 86px) clamp(18px, 4vw, 42px);
}

.synkro-section h2 {
  max-width: 820px;
  margin: 0 0 26px;
  color: #10232c;
  font-size: clamp(2rem, 4.4vw, 4rem);
  line-height: 1;
}

.synkro-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.synkro-grid article,
.synkro-roi-tool,
.synkro-form {
  padding: 26px;
  border: 1px solid #d7e1e2;
  border-radius: 8px;
  background: white;
  box-shadow: 0 16px 42px rgba(22, 36, 43, 0.08);
}

.synkro-grid article span,
.synkro-metrics span {
  color: #0d7c72;
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.synkro-grid h3,
.synkro-grid p {
  margin-top: 0;
}

.synkro-grid p,
.synkro-contact p {
  color: #5f6e73;
  line-height: 1.6;
}

.synkro-roi {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: 28px;
  align-items: start;
}

.synkro-roi-tool {
  display: grid;
  gap: 14px;
}

.synkro-roi-tool input[type="range"] {
  padding: 0;
  accent-color: #0d7c72;
}

.synkro-roi-tool output {
  color: #10232c;
  font-size: 1.25rem;
  font-weight: 900;
}

.synkro-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.synkro-metrics article {
  min-height: 130px;
  display: grid;
  align-content: space-between;
  padding: 18px;
  border-radius: 8px;
  background: #eef7f6;
}

.synkro-metrics strong {
  color: #10232c;
  font-size: clamp(1.45rem, 3vw, 2.2rem);
}

.synkro-flow {
  border-top: 1px solid #d7e1e2;
  border-bottom: 1px solid #d7e1e2;
  background: #eaf1f2;
}

.synkro-contact {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(320px, 1.15fr);
  gap: 28px;
}

.synkro-form {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.synkro-form label,
.synkro-form textarea,
.synkro-form button,
.synkro-form .message {
  grid-column: 1 / -1;
}

.synkro-form label:nth-of-type(1),
.synkro-form input:nth-of-type(1),
.synkro-form label:nth-of-type(2),
.synkro-form input:nth-of-type(2),
.synkro-form label:nth-of-type(3),
.synkro-form input:nth-of-type(3),
.synkro-form label:nth-of-type(4),
.synkro-form input:nth-of-type(4),
.synkro-form label:nth-of-type(5),
.synkro-form select:nth-of-type(1),
.synkro-form label:nth-of-type(6),
.synkro-form select:nth-of-type(2) {
  grid-column: auto;
}

.synkro-admin-shell {
  min-height: 100vh;
  padding: clamp(18px, 4vw, 42px);
  background: #eef3f4;
  color: #172026;
}

.synkro-admin-header,
.synkro-admin-panel {
  width: min(1180px, 100%);
  margin: 0 auto 18px;
}

.synkro-admin-header {
  display: grid;
  gap: 20px;
  padding: clamp(24px, 5vw, 46px);
  border-radius: 8px;
  background: linear-gradient(135deg, #09212c 0%, #0d7c72 100%);
  color: white;
}

.synkro-admin-header h1 {
  margin: 0 0 10px;
  font-size: clamp(2.3rem, 5vw, 4.5rem);
  line-height: 1;
}

.synkro-admin-header p {
  max-width: 760px;
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
}

.synkro-admin-nav,
.synkro-admin-nav div {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.synkro-admin-nav {
  justify-content: space-between;
}

.synkro-admin-nav a {
  color: white;
  font-weight: 800;
  text-decoration: none;
}

.synkro-admin-nav div a {
  padding: 9px 12px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.synkro-admin-nav div a[aria-current="page"] {
  background: white;
  color: #10232c;
}

.synkro-admin-panel {
  padding: clamp(18px, 3vw, 28px);
  border: 1px solid #d7e1e2;
  border-radius: 8px;
  background: white;
}

.synkro-admin-panel h2 {
  margin: 0 0 16px;
  color: #10232c;
}

.synkro-token-form {
  grid-template-columns: minmax(260px, 1fr) minmax(180px, 0.45fr) auto;
  align-items: end;
}

.synkro-token-form label {
  margin: 0;
}

.synkro-token-form button {
  margin: 0;
}

.synkro-sync-form {
  grid-template-columns: minmax(240px, 1fr) minmax(150px, 0.45fr) minmax(180px, 0.6fr) minmax(150px, 0.42fr) auto;
  align-items: end;
}

.synkro-sync-form label,
.synkro-sync-form button {
  margin: 0;
}

.synkro-leads-list {
  display: grid;
  gap: 14px;
}

.synkro-sync-list {
  display: grid;
  gap: 12px;
}

.synkro-lead-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.synkro-lead-metrics article {
  padding: 16px;
  border-radius: 8px;
  background: #eef7f6;
}

.synkro-lead-metrics span {
  color: #0d7c72;
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.synkro-lead-metrics strong {
  display: block;
  margin-top: 8px;
  color: #10232c;
  font-size: 2rem;
}

.synkro-lead-card {
  display: grid;
  gap: 16px;
  padding: 18px;
  border: 1px solid #d7e1e2;
  border-radius: 8px;
  background: #f8fbfb;
}

.synkro-lead-card h3,
.synkro-lead-card p,
.synkro-lead-card dl {
  margin: 0;
}

.synkro-status {
  display: inline-flex;
  width: fit-content;
  margin-bottom: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  background: #dff7f2;
  color: #0d7c72;
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.synkro-lead-card dl {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.synkro-lead-card dt {
  color: #5f6e73;
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.synkro-lead-card dd {
  margin: 4px 0 0;
  color: #172026;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.synkro-lead-card a {
  color: #0d7c72;
  text-decoration: none;
}

.synkro-sync-row {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(320px, 1.2fr) minmax(180px, 0.8fr) auto;
  gap: 14px;
  align-items: center;
  padding: 16px;
  border: 1px solid #d7e1e2;
  border-radius: 8px;
  background: #f8fbfb;
}

.synkro-sync-row h3,
.synkro-sync-row p,
.synkro-sync-row dl {
  margin: 0;
}

.synkro-sync-row dl,
.synkro-detail-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.synkro-sync-row dt,
.synkro-detail-grid dt {
  color: #5f6e73;
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.synkro-sync-row dd,
.synkro-detail-grid dd {
  margin: 4px 0 0;
  color: #172026;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.synkro-sync-actions {
  display: flex;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 8px;
}

.synkro-sync-dialog {
  width: min(920px, calc(100% - 28px));
  max-height: min(760px, calc(100vh - 40px));
  border: 1px solid #d7e1e2;
  border-radius: 8px;
  color: #172026;
}

.synkro-sync-dialog::backdrop {
  background: rgba(9, 26, 34, 0.62);
}

.synkro-sync-dialog form {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 14px;
}

.synkro-sync-dialog pre,
.synkro-audit-event pre {
  max-height: 360px;
  overflow: auto;
  padding: 14px;
  border-radius: 8px;
  background: #10232c;
  color: #e9f7f6;
  font-size: 0.86rem;
  line-height: 1.45;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.synkro-audit-event {
  margin-top: 12px;
  padding: 14px;
  border: 1px solid #d7e1e2;
  border-radius: 8px;
  background: #f8fbfb;
}

.synkro-audit-event span {
  color: #0d7c72;
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.synkro-audit-event strong {
  display: block;
  margin-top: 4px;
  color: #10232c;
}

.synkro-lead-form {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  align-items: end;
}

.synkro-lead-form label {
  margin: 0;
}

.synkro-lead-form textarea {
  min-height: 46px;
  grid-column: span 3;
}

.synkro-lead-form button {
  margin: 0;
}

.synkro-validation-flags {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 14px;
  min-height: 46px;
  margin: 0;
  padding: 10px 12px;
  border: 1px solid #d7e1e2;
  border-radius: 8px;
  background: white;
}

.synkro-validation-flags legend {
  padding: 0 6px;
  color: #10232c;
  font-weight: 700;
}

.synkro-validation-flags label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #5f6e73;
  font-weight: 700;
}

.synkro-validation-flags input {
  width: 18px;
  min-height: 18px;
  margin: 0;
  padding: 0;
}

@media (max-width: 820px) {
  .synkro-hero {
    min-height: auto;
  }

  .synkro-nav,
  .synkro-contact {
    align-items: flex-start;
  }

  .synkro-grid,
  .synkro-roi,
  .synkro-contact,
  .synkro-metrics,
  .synkro-form {
    grid-template-columns: 1fr;
  }

  .synkro-form label:nth-of-type(1),
  .synkro-form input:nth-of-type(1),
  .synkro-form label:nth-of-type(2),
  .synkro-form input:nth-of-type(2),
  .synkro-form label:nth-of-type(3),
  .synkro-form input:nth-of-type(3),
  .synkro-form label:nth-of-type(4),
  .synkro-form input:nth-of-type(4),
  .synkro-form label:nth-of-type(5),
  .synkro-form select:nth-of-type(1),
  .synkro-form label:nth-of-type(6),
  .synkro-form select:nth-of-type(2) {
    grid-column: 1 / -1;
  }

  .synkro-token-form,
  .synkro-sync-form,
  .synkro-lead-form,
  .synkro-lead-metrics,
  .synkro-lead-card dl,
  .synkro-sync-row,
  .synkro-sync-row dl,
  .synkro-detail-grid {
    grid-template-columns: 1fr;
  }

  .synkro-sync-actions {
    justify-content: flex-start;
  }

  .synkro-lead-form textarea {
    grid-column: auto;
  }
}