/* Dynamic Trevion Advisory Ltd. — Canadian Terminal Wayfinding & Customs Reference Stylesheet */
:root {
  --dtv-bg: #EEF2F6;
  --dtv-surface: #FFFFFF;
  --dtv-surface-alt: #E2E8F0;
  --dtv-ink: #141923;
  --dtv-muted: #4A5262;
  --dtv-accent: #9A3412;
  --dtv-accent-dark: #7C2D12;
  --dtv-pass: #166534;
  --dtv-pass-bg: #DCFCE7;
  --dtv-warn: #9A3412;
  --dtv-warn-bg: #FFEDD5;
  --dtv-flag: #991B1B;
  --dtv-flag-bg: #FEE2E2;
  --dtv-border: #CBD5E1;
  --dtv-border-strong: #141923;
  --dtv-radius: 6px;
  --wp-bg: var(--dtv-bg);
  --wp-surface: var(--dtv-surface);
  --wp-ink: var(--dtv-ink);
  --wp-muted: var(--dtv-muted);
  --wp-accent: var(--dtv-accent);
  --wp-border: var(--dtv-border);
  --wp-radius: var(--dtv-radius);
}

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-size: 100%;
  scroll-behavior: smooth;
  background-color: var(--dtv-bg);
  color: var(--dtv-ink);
}

body {
  margin: 0;
  font-family: 'Source Serif 4', Georgia, serif;
  line-height: 1.65;
  color: var(--dtv-ink);
  background-color: var(--dtv-bg);
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--dtv-ink);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  text-decoration-thickness: 2px;
}

.dtv-skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--dtv-ink);
  color: #fff;
  padding: 0.6rem 1rem;
  z-index: 999;
  font-family: 'Public Sans', sans-serif;
  font-weight: 600;
}

.dtv-skip-link:focus {
  top: 0.75rem;
}

.dtv-shell {
  width: min(1220px, 100% - 2.5rem);
  margin-inline: auto;
}

/* Top Notice Bar */
.dtv-notice-strip {
  background-color: var(--dtv-ink);
  color: #F8FAFC;
  font-family: 'Public Sans', sans-serif;
  font-size: 0.82rem;
  border-bottom: 2px solid var(--dtv-accent);
  padding: 0.65rem 1.25rem;
}

.dtv-notice-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.25rem 0;
}

.dtv-wayfind-tag {
  background-color: var(--dtv-accent);
  color: #fff;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 0.2rem 0.55rem;
  border-radius: 3px;
}

.dtv-notice-copy {
  margin: 0;
  flex: 1 1 520px;
  color: #E2E8F0;
}

.dtv-notice-anchor {
  color: #F8FAFC;
  font-weight: 600;
  white-space: nowrap;
}
.dtv-notice-anchor:hover,
.dtv-footer a:hover {
  color: #FDBA74;
}

/* Masthead */
.dtv-masthead {
  background-color: var(--dtv-surface);
  border-bottom: 2px solid var(--dtv-border-strong);
  position: sticky;
  top: 0;
  z-index: 50;
}

.dtv-masthead-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding-block: 0.9rem;
}

.dtv-brand-mark {
  text-decoration: none;
  display: flex;
  flex-direction: column;
}

.dtv-brand-code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--dtv-accent);
}

.dtv-brand-title {
  font-family: 'Public Sans', sans-serif;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--dtv-ink);
}

.dtv-brand-sub {
  font-family: 'Public Sans', sans-serif;
  font-size: 0.76rem;
  color: var(--dtv-muted);
}

.dtv-menu-toggle {
  display: none;
  font-family: 'Public Sans', sans-serif;
  font-weight: 600;
  font-size: 0.88rem;
  padding: 0.45rem 0.85rem;
  border: 1.5px solid var(--dtv-ink);
  background: var(--dtv-surface);
  color: var(--dtv-ink);
  border-radius: var(--dtv-radius);
  cursor: pointer;
}

.dtv-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.1rem;
}

.dtv-nav-link {
  font-family: 'Public Sans', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--dtv-ink);
  padding-block: 0.25rem;
  border-bottom: 2px solid transparent;
}

.dtv-nav-link:hover,
.dtv-nav-link.is-current {
  border-bottom-color: var(--dtv-accent);
  color: var(--dtv-accent);
}

.dtv-nav-cta {
  font-family: 'Public Sans', sans-serif;
  font-size: 0.86rem;
  font-weight: 700;
  text-decoration: none;
  background-color: var(--dtv-ink);
  color: #fff;
  padding: 0.55rem 0.95rem;
  border-radius: var(--dtv-radius);
  transition: background-color 0.15s ease;
}

.dtv-nav-cta:hover {
  background-color: var(--dtv-accent);
  color: #fff;
}

/* Hero Section */
.dtv-hero {
  padding: 3rem 1.25rem 2.75rem;
  border-bottom: 1px solid var(--dtv-border);
}

.dtv-hero-layout {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 2.5rem;
  align-items: start;
}

.dtv-kicker {
  display: block;
  font-family: 'Source Serif 4', Georgia, serif;
  font-style: italic;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--dtv-muted);
  margin-bottom: 0.45rem;
}

.dtv-h1 {
  font-family: 'Public Sans', sans-serif;
  font-size: clamp(2rem, 3.6vw, 3.1rem);
  line-height: 1.08;
  letter-spacing: -0.025em;
  margin: 0 0 1.1rem;
  text-wrap: balance;
}

.dtv-lede {
  font-size: 1.14rem;
  color: var(--dtv-muted);
  margin: 0 0 1.5rem;
  max-width: 64ch;
}

.dtv-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 1.6rem;
}

.dtv-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: 'Public Sans', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
  padding: 0.78rem 1.35rem;
  border-radius: var(--dtv-radius);
  border: 2px solid var(--dtv-ink);
  cursor: pointer;
}

.dtv-btn-primary {
  background-color: var(--dtv-accent);
  border-color: var(--dtv-accent);
  color: #fff;
}

.dtv-btn-primary:hover {
  background-color: var(--dtv-accent-dark);
  border-color: var(--dtv-accent-dark);
  color: #fff;
}

.dtv-btn-secondary {
  background-color: var(--dtv-surface);
  color: var(--dtv-ink);
}

.dtv-btn-secondary:hover {
  background-color: var(--dtv-surface-alt);
  color: var(--dtv-ink);
}

.dtv-spec-ledger {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  background: var(--dtv-surface);
  border: 1.5px solid var(--dtv-border-strong);
  border-radius: var(--dtv-radius);
  padding: 0.95rem;
}

.dtv-spec-item {
  border-right: 1px solid var(--dtv-border);
  padding-right: 0.65rem;
}

.dtv-spec-item:last-child {
  border-right: none;
  padding-right: 0;
}

.dtv-spec-label {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: var(--dtv-muted);
  text-transform: uppercase;
}

.dtv-spec-val {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.95rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--dtv-ink);
}

/* Boarding Pass Specimen Card */
.dtv-boarding-card {
  background: var(--dtv-surface);
  border: 2px solid var(--dtv-border-strong);
  border-radius: var(--dtv-radius);
  overflow: hidden;
  box-shadow: 0 10px 24px -6px rgba(20, 25, 35, 0.10);
}

.dtv-boarding-top {
  background: var(--dtv-ink);
  color: #fff;
  padding: 0.75rem 1.1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
}

.dtv-boarding-fig {
  margin: 0;
  position: relative;
  border-bottom: 1.5px solid var(--dtv-border-strong);
}

.dtv-boarding-fig img {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.dtv-boarding-caption {
  padding: 0.85rem 1.1rem;
  background: var(--dtv-surface-alt);
  font-family: 'Public Sans', sans-serif;
  font-size: 0.84rem;
  color: var(--dtv-ink);
}

.dtv-boarding-rows {
  padding: 0.9rem 1.1rem;
  display: grid;
  gap: 0.55rem;
}

.dtv-boarding-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  padding-bottom: 0.45rem;
  border-bottom: 1px dashed var(--dtv-border);
}

.dtv-boarding-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.dtv-status-pill {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.18rem 0.5rem;
  border-radius: 3px;
  text-transform: uppercase;
}

.dtv-pill-pass {
  background: var(--dtv-pass-bg);
  color: var(--dtv-pass);
}

.dtv-pill-warn {
  background: var(--dtv-warn-bg);
  color: var(--dtv-warn);
}

.dtv-pill-flag {
  background: var(--dtv-flag-bg);
  color: var(--dtv-flag);
}

/* Sections */
.dtv-section {
  padding: 3.25rem 1.25rem;
  border-bottom: 1px solid var(--dtv-border);
}

.dtv-section-alt {
  background-color: var(--dtv-surface-alt);
}

.dtv-section-header {
  max-width: 72ch;
  margin-bottom: 2rem;
}

.dtv-h2 {
  font-family: 'Public Sans', sans-serif;
  font-size: clamp(1.55rem, 2.5vw, 2.2rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0.35rem 0 0.75rem;
  text-wrap: balance;
}

.dtv-h3 {
  font-family: 'Public Sans', sans-serif;
  font-size: 1.22rem;
  line-height: 1.25;
  margin: 0 0 0.55rem;
}

/* Interactive Calculator Widget */
.dtv-calc-frame {
  background: var(--dtv-surface);
  border: 2px solid var(--dtv-border-strong);
  border-radius: var(--dtv-radius);
  padding: 1.75rem;
}

.dtv-calc-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2rem;
  align-items: start;
}

.dtv-field-group {
  margin-bottom: 1.15rem;
}

.dtv-label {
  display: block;
  font-family: 'Public Sans', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 0.3rem;
}

.dtv-hint {
  display: block;
  font-family: 'Public Sans', sans-serif;
  font-size: 0.8rem;
  color: var(--dtv-muted);
  margin-bottom: 0.35rem;
}

.dtv-input,
.dtv-select,
.dtv-textarea {
  width: 100%;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.92rem;
  padding: 0.65rem 0.8rem;
  border: 1.5px solid var(--dtv-border-strong);
  border-radius: var(--dtv-radius);
  background-color: #fff;
  color: var(--dtv-ink);
}

.dtv-dim-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.dtv-check-list {
  display: grid;
  gap: 0.55rem;
  margin-top: 0.5rem;
}

.dtv-check-item {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-family: 'Public Sans', sans-serif;
  font-size: 0.88rem;
  background: var(--dtv-bg);
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--dtv-border);
  border-radius: 4px;
}

.dtv-check-item input[type="checkbox"] {
  margin-top: 0.22rem;
  inline-size: 1rem;
  block-size: 1rem;
  accent-color: var(--dtv-accent);
}

.dtv-output-panel {
  background: var(--dtv-bg);
  border: 2px solid var(--dtv-border-strong);
  border-radius: var(--dtv-radius);
  padding: 1.35rem;
}

.dtv-output-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1.5px solid var(--dtv-border-strong);
  padding-bottom: 0.75rem;
  margin-bottom: 1rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
}

.dtv-output-metrics {
  display: grid;
  gap: 0.8rem;
  margin-bottom: 1.15rem;
}

.dtv-metric-box {
  background: var(--dtv-surface);
  border: 1px solid var(--dtv-border);
  padding: 0.85rem 1rem;
  border-radius: 4px;
}

.dtv-metric-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.74rem;
  text-transform: uppercase;
  color: var(--dtv-muted);
  display: block;
}

.dtv-metric-val {
  font-family: 'Public Sans', sans-serif;
  font-size: 1.18rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.dtv-verdict-banner {
  padding: 0.85rem 1rem;
  border-radius: 4px;
  font-family: 'Public Sans', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

/* Responsive Data Table (modern-web-guidance: responsive-table) */
.dtv-table-region {
  overflow: auto;
  max-inline-size: 100%;
  max-block-size: min(560px, 80vh);
  container-type: inline-size;
  border: 2px solid var(--dtv-border-strong);
  border-radius: var(--dtv-radius);
  background: var(--dtv-surface);
  padding: 1rem;
}

.dtv-data-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-family: 'Public Sans', sans-serif;
  font-size: 0.9rem;
  --label-1: "Checkpoint / Item";
  --label-2: "Cabin Carry-On Rule";
  --label-3: "Checked Hold Rule";
  --label-4: "CBSA / CATSA Reference";
}

.dtv-data-table caption {
  text-align: left;
  padding: 0.85rem 1rem;
  font-weight: 700;
  background: var(--dtv-ink);
  color: #fff;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
}

.dtv-data-table thead {
  position: sticky;
  inset-block-start: 0;
  z-index: 2;
  background: var(--dtv-surface-alt);
}

.dtv-data-table th,
.dtv-data-table td {
  padding: 0.85rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--dtv-border);
  vertical-align: top;
}

.dtv-data-table tbody th {
  position: sticky;
  inset-inline-start: 0;
  background: var(--dtv-surface);
  font-weight: 700;
  z-index: 1;
}

@container (width < 640px) {
  .dtv-data-table,
  .dtv-data-table thead,
  .dtv-data-table tbody,
  .dtv-data-table tr,
  .dtv-data-table th,
  .dtv-data-table td {
    display: block;
  }
  .dtv-data-table thead {
    display: none;
  }
  .dtv-data-table tr {
    margin-block-end: 1rem;
    border-bottom: 2px solid var(--dtv-border-strong);
  }
  .dtv-data-table tbody th {
    position: sticky;
    inset-block-start: 0;
    background: var(--dtv-surface-alt);
  }
  .dtv-data-table td:nth-child(2)::before {
    content: var(--label-2) ": ";
    font-weight: 700;
  }
  .dtv-data-table td:nth-child(3)::before {
    content: var(--label-3) ": ";
    font-weight: 700;
  }
  .dtv-data-table td:nth-child(4)::before {
    content: var(--label-4) ": ";
    font-weight: 700;
  }
}

/* Editorial Split & Feature Blocks */
.dtv-editorial-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.25rem;
  align-items: start;
}

.dtv-figure-card {
  margin: 0;
  background: var(--dtv-surface);
  border: 1.5px solid var(--dtv-border-strong);
  border-radius: var(--dtv-radius);
  overflow: hidden;
}

.dtv-figure-card figcaption {
  padding: 0.8rem 1rem;
  font-family: 'Public Sans', sans-serif;
  font-size: 0.84rem;
  color: var(--dtv-muted);
  background: var(--dtv-surface);
  border-top: 1px solid var(--dtv-border);
}

.dtv-log-list {
  display: grid;
  gap: 1rem;
}

.dtv-log-entry {
  background: var(--dtv-surface);
  border: 1.5px solid var(--dtv-border-strong);
  border-radius: var(--dtv-radius);
  padding: 1.15rem 1.3rem;
}

.dtv-log-code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--dtv-accent);
  display: block;
  margin-bottom: 0.25rem;
}

/* Form Validation (:user-invalid per modern-web-guidance) */
.dtv-error-msg {
  display: none;
  color: #B91C1C;
  font-family: 'Public Sans', sans-serif;
  font-size: 0.82rem;
  margin-top: 0.3rem;
}

.dtv-input:user-invalid,
.dtv-textarea:user-invalid,
.dtv-input.user-invalid-fallback,
.dtv-textarea.user-invalid-fallback {
  border-color: #B91C1C;
  background-color: #FEF2F2;
}

.dtv-input:user-invalid + .dtv-error-msg,
.dtv-textarea:user-invalid + .dtv-error-msg,
.dtv-input.user-invalid-fallback + .dtv-error-msg,
.dtv-textarea.user-invalid-fallback + .dtv-error-msg {
  display: block;
}

.dtv-input:user-valid,
.dtv-textarea:user-valid {
  border-color: #166534;
}

/* Footer & Legal */
.dtv-footer {
  background: var(--dtv-ink);
  color: #E2E8F0;
  padding-block: 3rem 2.5rem;
  font-family: 'Public Sans', sans-serif;
  font-size: 0.88rem;
}

.dtv-footer a {
  color: #F8FAFC;
}

.dtv-footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid #2E3646;
}

.dtv-footer-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.74rem;
  color: #F59E0B;
  letter-spacing: 0.08em;
  margin: 0 0 0.65rem;
}

.dtv-footer-entity {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin: 0 0 0.45rem;
}

.dtv-footer-meta {
  margin: 0;
  color: #CBD5E1;
  line-height: 1.6;
}

.dtv-footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.5rem;
}

.dtv-cookie-reopen {
  background: transparent;
  border: 1px solid #6B7280;
  color: #F8FAFC;
  font-family: 'Public Sans', sans-serif;
  font-size: 0.82rem;
  padding: 0.35rem 0.7rem;
  border-radius: 4px;
  cursor: pointer;
}

.dtv-regulatory-box {
  margin-top: 1.75rem;
  padding: 1.25rem;
  background: #1C2331;
  border: 1px solid #374151;
  border-radius: var(--dtv-radius);
  font-size: 0.8rem;
  color: #CBD5E1;
  line-height: 1.55;
}

.dtv-reg-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  font-weight: 600;
  color: #F59E0B;
  margin: 0 0 0.5rem;
  text-transform: uppercase;
}

.dtv-footer-bottom {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.78rem;
  color: #9CA3AF;
}

/* Cookie Banner */
.dtv-cookie-bar {
  position: fixed;
  inset-inline: 0;
  inset-block-end: 0;
  background: var(--dtv-surface);
  border-top: 3px solid var(--dtv-ink);
  box-shadow: 0 -8px 24px rgba(20, 25, 35, 0.18);
  z-index: 100;
  padding-block: 1rem;
}

.dtv-cookie-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.dtv-cookie-copy {
  flex: 1 1 540px;
  font-family: 'Public Sans', sans-serif;
  font-size: 0.84rem;
}

.dtv-cookie-title {
  font-weight: 700;
  margin: 0 0 0.25rem;
}

.dtv-cookie-copy p {
  margin: 0;
}

.dtv-cookie-actions {
  display: flex;
  gap: 0.75rem;
}

@media (max-width: 920px) {
  .dtv-hero-layout,
  .dtv-calc-grid,
  .dtv-editorial-split,
  .dtv-footer-grid {
    grid-template-columns: 1fr;
  }
  .dtv-menu-toggle {
    display: inline-flex;
  }
  .dtv-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    padding-top: 0.75rem;
    border-top: 1px solid var(--dtv-border);
  }
  .dtv-nav.is-open {
    display: flex;
  }
  .dtv-masthead-bar {
    flex-wrap: wrap;
  }
  .dtv-spec-ledger {
    grid-template-columns: 1fr;
  }
  .dtv-spec-item {
    border-right: none;
    border-bottom: 1px solid var(--dtv-border);
    padding-bottom: 0.5rem;
  }
}