:root {
  --bt-bg: #071018;
  --bt-surface: #0c1a24;
  --bt-surface-2: #102433;
  --bt-text: #e8f2f8;
  --bt-muted: #8aa3b5;
  --bt-primary: #0c3d5c;
  --bt-gold: #c9a227;
  --bt-accent: var(--bt-primary);
  --bt-line: rgba(255, 255, 255, 0.09);
  --bt-hairline: rgba(201, 162, 39, 0.42);
  --bt-danger: #c45c4a;
  --bt-ok: #3d8f6a;
  --bt-font: "DM Sans", system-ui, -apple-system, sans-serif;
  --bt-display: "Cormorant Garamond", Georgia, serif;
  --bt-page-max: 68rem;
  --bt-space-1: 0.25rem;
  --bt-space-2: 0.5rem;
  --bt-space-3: 0.75rem;
  --bt-space-4: 1rem;
  --bt-space-5: 1.5rem;
  --bt-space-6: 2rem;
  --bt-space-7: 3rem;
  color-scheme: dark;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--bt-font);
  font-size: 1.0625rem;
  line-height: 1.62;
  letter-spacing: 0.01em;
  background: var(--bt-bg);
  color: var(--bt-text);
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.bt-page {
  position: relative;
}

body.bt-page::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(ellipse 90% 55% at 50% -15%, rgba(12, 61, 92, 0.42), transparent 58%),
    radial-gradient(ellipse 50% 35% at 100% 90%, rgba(201, 162, 39, 0.07), transparent 55%),
    var(--bt-bg);
}

body.bt-page::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.35;
  background-image: linear-gradient(var(--bt-line) 1px, transparent 1px);
  background-size: 100% 4.5rem;
  mask-image: linear-gradient(to bottom, black 0%, transparent 85%);
}

body.bt-has-sticky {
  padding-bottom: 4.25rem;
}

a {
  color: #a8d4e8;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 0.15s ease;
}

a:hover {
  color: var(--bt-text);
}

.bt-wrap {
  width: min(var(--bt-page-max), 100% - 2rem);
  margin-inline: auto;
}

.bt-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--bt-space-4);
  padding: var(--bt-space-4) 0;
  border-bottom: 1px solid var(--bt-line);
  box-shadow: 0 1px 0 0 var(--bt-hairline);
}

.bt-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--bt-display);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--bt-text);
  text-decoration: none;
}

.bt-mark-icon {
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 6px;
  flex-shrink: 0;
}

.bt-mark-dot {
  color: var(--bt-gold);
}

.bt-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1rem;
  font-size: 0.88rem;
}

.bt-nav a {
  color: var(--bt-muted);
  text-decoration: none;
}

.bt-nav a:hover,
.bt-nav a[aria-current="page"] {
  color: var(--bt-text);
}

.bt-hero {
  padding: var(--bt-space-7) 0 var(--bt-space-6);
}

.bt-hero-stage {
  position: relative;
  padding: clamp(2.5rem, 6vw, 4.5rem) 0 clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--bt-space-6);
  border-bottom: 1px solid var(--bt-line);
  box-shadow: 0 1px 0 0 var(--bt-hairline);
}

.bt-hero-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse 70% 60% at 20% 0%, rgba(12, 61, 92, 0.35), transparent 65%);
  opacity: 0.9;
}

.bt-hero-stage-inner {
  position: relative;
  z-index: 1;
}

.bt-lead-hero {
  font-size: clamp(1.05rem, 2.2vw, 1.2rem);
  max-width: 34rem;
  line-height: 1.65;
}

.bt-cta-row-hero {
  margin-top: 1.75rem;
  gap: 0.75rem;
}

.bt-btn-lg {
  padding: 0.75rem 1.35rem;
  font-size: 0.95rem;
  border-radius: 8px;
}

.bt-hero-note {
  margin: 1.25rem 0 0;
  font-size: 0.82rem;
  color: var(--bt-muted);
  max-width: 28rem;
}

.bt-hero-below {
  padding-bottom: var(--bt-space-6);
}

.bt-hero-copy h1 {
  max-width: 14ch;
  font-size: clamp(2.35rem, 5.5vw, 3.35rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
}

.bt-packet-artifact {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  text-decoration: none;
  color: inherit;
  transition: transform 0.25s ease;
}

.bt-packet-artifact:hover {
  transform: translateY(-3px);
  color: inherit;
}

.bt-packet-artifact-badge {
  align-self: flex-start;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bt-gold);
  padding: 0.25rem 0.55rem;
  border: 1px solid var(--bt-hairline);
  border-radius: 999px;
}

.bt-packet-artifact-sheet {
  background: linear-gradient(180deg, #f4f8fb 0%, #e8eef4 100%);
  color: #0f2430;
  border-radius: 14px;
  padding: 1.35rem 1.4rem 1.25rem;
  border: 1px solid rgba(201, 162, 39, 0.35);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.08) inset,
    0 24px 56px rgba(0, 0, 0, 0.45),
    0 0 0 1px rgba(12, 61, 92, 0.2);
}

.bt-packet-artifact-brand {
  margin: 0;
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #5a7285;
}

.bt-packet-artifact-title {
  margin: 0.35rem 0 0;
  font-family: var(--bt-display);
  font-size: 1.45rem;
  font-weight: 700;
  color: #0c3d5c;
  line-height: 1.15;
}

.bt-packet-artifact-verdict {
  margin: 0.65rem 0 0;
  font-size: 0.88rem;
  font-weight: 600;
  color: #2a4a38;
}

.bt-packet-artifact-zones {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1rem;
}

.bt-zone-chip {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 0.28rem 0.55rem;
  border-radius: 6px;
  background: rgba(12, 61, 92, 0.08);
  color: #0c3d5c;
}

.bt-zone-chip--warn {
  background: rgba(201, 162, 39, 0.22);
  color: #6b4f12;
}

.bt-zone-chip--ok {
  background: rgba(61, 143, 106, 0.15);
  color: #2a4a38;
}

.bt-packet-artifact-hold {
  margin: 1rem 0 0;
  padding-top: 0.85rem;
  border-top: 1px solid rgba(12, 61, 92, 0.12);
  font-size: 0.8rem;
  color: #5a7285;
}

.bt-packet-artifact-cta {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--bt-gold);
  padding-left: 0.15rem;
}

.bt-proof-grid--trio {
  margin-top: 0;
}

.bt-proof-num {
  display: block;
  font-family: var(--bt-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--bt-gold);
  line-height: 1;
  margin-bottom: 0.35rem;
}

.bt-proof-card p {
  margin: 0.35rem 0 0;
  font-size: 0.92rem;
  color: var(--bt-muted);
  line-height: 1.5;
}

.bt-cta-row-center {
  justify-content: center;
  margin: var(--bt-space-6) 0 var(--bt-space-7);
}

.bt-panel--muted {
  background: rgba(12, 26, 36, 0.45);
  border-color: var(--bt-line);
}

/*  ·  ·  Example packet page  ·  ·  */
.bt-packet-page .bt-packet-page-hero {
  padding: var(--bt-space-6) 0 var(--bt-space-5);
  border-bottom: 1px solid var(--bt-line);
}

.bt-packet-page-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--bt-space-4);
  margin-bottom: var(--bt-space-4);
}

.bt-packet-page-head h1 {
  font-family: var(--bt-display);
  font-size: clamp(1.85rem, 4vw, 2.65rem);
  line-height: 1.12;
  margin: 0.5rem 0 0;
  max-width: 22ch;
}

.bt-packet-demo-badge {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bt-gold);
  padding: 0.45rem 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--bt-hairline);
  background: rgba(12, 26, 36, 0.6);
  white-space: nowrap;
}

.bt-packet-page-body {
  padding: var(--bt-space-6) 0 var(--bt-space-7);
}

.bt-packet-doc-summary {
  padding-bottom: var(--bt-space-5);
  margin-bottom: var(--bt-space-4);
  border-bottom: 1px solid rgba(12, 61, 92, 0.12);
}

.bt-packet-doc-summary h2 {
  margin: 0.25rem 0 0.75rem;
}

.bt-packet-doc-verdict-pill {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  margin: 0;
}

.bt-packet-doc-verdict-pill--mixed {
  background: rgba(201, 162, 39, 0.2);
  color: #6b4f12;
  border: 1px solid rgba(201, 162, 39, 0.45);
}

.bt-packet-meta-grid {
  display: grid;
  gap: 0.65rem 1.5rem;
  margin: var(--bt-space-4) 0 0;
  padding: 0;
}

@media (min-width: 40rem) {
  .bt-packet-meta-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.bt-packet-meta-grid dt {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #5a7285;
  margin: 0;
}

.bt-packet-meta-grid dd {
  margin: 0.15rem 0 0;
  font-size: 0.95rem;
  color: #1a2830;
}

.bt-packet-zone-block--highlight {
  background: rgba(201, 162, 39, 0.06);
  margin-left: -1rem;
  margin-right: -1rem;
  padding-left: 1rem;
  padding-right: 1rem;
  border-radius: 10px;
}

.bt-photo-label {
  display: block;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #5a7285;
  margin-bottom: 0.35rem;
}

.bt-packet-photo-wrap {
  margin: 0;
}

.bt-packet-photo--accent {
  background: linear-gradient(135deg, #e8dcc0 0%, #d4c4a0 50%, #c9b896 100%);
  border-color: rgba(201, 162, 39, 0.35);
}

.bt-page .bt-hero h1,
.bt-prose-page h1 {
  max-width: none;
}

.bt-kicker {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bt-muted);
  margin: 0 0 0.65rem;
}

.bt-hero h1 {
  font-family: var(--bt-display);
  font-size: clamp(2rem, 4.5vw, 2.75rem);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 1rem;
  max-width: 20ch;
}

.bt-lead {
  font-size: 1.1rem;
  color: var(--bt-muted);
  max-width: 38rem;
  margin: 0;
}

.bt-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.35rem;
}

.bt-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.6rem 1rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.92rem;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.bt-btn-primary {
  background: var(--bt-primary);
  color: #fff;
  border-color: rgba(201, 162, 39, 0.25);
}

.bt-btn-primary:hover {
  color: #fff;
  background: #145a7a;
}

.bt-btn-ghost {
  background: transparent;
  color: var(--bt-text);
  border-color: var(--bt-line);
}

.bt-btn-ghost:hover {
  border-color: var(--bt-hairline);
  color: var(--bt-text);
}

.bt-hero-split {
  display: grid;
  gap: 2rem;
  align-items: start;
}

@media (min-width: 56rem) {
  .bt-hero-split {
    grid-template-columns: 1fr min(22rem, 38vw);
    align-items: center;
  }
}

.bt-packet-teaser {
  display: block;
  text-decoration: none;
  background: var(--bt-surface);
  border: 1px solid var(--bt-line);
  border-radius: 10px;
  padding: 1.25rem 1.35rem;
  box-shadow: 0 1px 0 var(--bt-hairline);
  transition: border-color 0.15s ease;
}

.bt-packet-teaser:hover {
  border-color: var(--bt-hairline);
}

.bt-packet-teaser h2 {
  font-family: var(--bt-display);
  font-size: 1.2rem;
  color: var(--bt-primary);
  margin: 0 0 0.35rem;
}

.bt-packet-teaser p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--bt-muted);
}

.bt-packet-teaser .bt-packet-line {
  height: 2px;
  background: var(--bt-hairline);
  margin: 1rem 0;
  border-radius: 1px;
}

.bt-packet-zones {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.bt-packet-zone {
  height: 4.5rem;
  border-radius: 6px;
  background: var(--bt-surface-2);
  border: 1px solid var(--bt-line);
}

.bt-packet-teaser .bt-link-arrow {
  display: inline-block;
  margin-top: 1rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--bt-gold);
}

.bt-steps-inline {
  display: grid;
  gap: 0.75rem;
  margin: 2.5rem 0 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 40rem) {
  .bt-steps-inline {
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
  }
}

.bt-steps-inline li {
  padding: var(--bt-space-4) 0 0;
  border-top: 1px solid var(--bt-line);
  font-size: 0.92rem;
  color: var(--bt-muted);
  line-height: 1.55;
}

.bt-steps-inline strong {
  display: block;
  color: var(--bt-text);
  font-weight: 600;
  margin-bottom: var(--bt-space-2);
  font-size: 0.98rem;
}

.bt-sticky-cta {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 40;
  padding: 0.65rem 1rem calc(0.65rem + env(safe-area-inset-bottom, 0));
  background: rgba(7, 16, 24, 0.92);
  border-top: 1px solid var(--bt-line);
  box-shadow: 0 -1px 0 var(--bt-hairline);
  backdrop-filter: blur(8px);
}

.bt-sticky-cta .bt-wrap {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  justify-content: space-between;
}

.bt-sticky-cta .bt-btn {
  flex: 1;
  max-width: 14rem;
}

@media (max-width: 47.99rem) {
  body.bt-has-sticky .bt-sticky-cta {
    display: block;
  }
}

.bt-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  margin: 2rem 0;
}

.bt-card {
  background: var(--bt-surface);
  border: 1px solid var(--bt-line);
  border-radius: 10px;
  padding: 1.25rem;
}

.bt-lane-callout {
  margin: 2rem 0;
  padding: 1.15rem 1.25rem;
  border-radius: 10px;
  border: 1px solid var(--bt-line);
  background: var(--bt-surface);
}

.bt-lane-callout-kicker {
  margin: 0 0 0.65rem;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bt-muted);
}

.bt-lane-callout-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.bt-lane-callout h3 {
  margin: 0 0 0.35rem;
  font-family: var(--bt-display);
  font-size: 1.05rem;
}

.bt-lane-callout p {
  margin: 0;
  color: var(--bt-muted);
  font-size: 0.92rem;
}

.bt-icp-list {
  margin: 0 0 1rem;
  padding-left: 1.15rem;
  color: var(--bt-muted);
  font-size: 0.95rem;
  line-height: 1.55;
}

.bt-icp-list li {
  margin-bottom: 0.45rem;
}

.bt-article-icp {
  margin-top: 1.5rem;
}

.bt-legal-note {
  font-size: 0.88rem;
  color: var(--bt-muted);
  border-left: 3px solid var(--bt-line);
  padding-left: 0.85rem;
  margin: 1.25rem 0;
}

.bt-case-card {
  margin: 1.5rem 0;
  padding: 1.15rem 1.25rem;
  border: 1px solid var(--bt-line);
  border-radius: 10px;
  background: var(--bt-surface);
}

.bt-case-card h3 {
  margin: 0 0 0.35rem;
  font-family: var(--bt-display);
  font-size: 1.1rem;
}

.bt-case-card h3 a {
  color: var(--bt-text);
  text-decoration: none;
}

.bt-case-card h3 a:hover {
  color: var(--bt-gold, #c9a227);
}

.bt-case-cite {
  margin: 0 0 0.75rem;
}

.bt-nightmare-card {
  margin: 1.75rem 0;
  padding: 1rem 0 0;
  border-top: 1px solid var(--bt-line);
}

.bt-nightmare-card h3 {
  margin: 0 0 0.85rem;
  font-family: var(--bt-display);
  font-size: 1.05rem;
}

.bt-nightmare-cols {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.bt-nightmare-col {
  padding: 0.85rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--bt-line);
  font-size: 0.92rem;
}

.bt-nightmare-col--bad {
  background: rgba(180, 60, 50, 0.08);
}

.bt-nightmare-col--good {
  background: rgba(40, 120, 90, 0.1);
}

.bt-tag--accent {
  border-color: var(--bt-gold, #c9a227);
  color: var(--bt-gold, #c9a227);
}

.bt-tag--warn {
  border-color: #b4533a;
  color: #d4846a;
}

.bt-footer-tagline {
  color: var(--bt-text);
  font-family: var(--bt-display);
  font-size: 1rem;
  margin-bottom: 0.35rem;
}

.bt-card h3 {
  margin: 0 0 0.35rem;
  font-family: var(--bt-display);
  font-size: 1.1rem;
}

.bt-input,
.bt-select,
.bt-textarea {
  width: 100%;
  margin-top: 0.35rem;
  padding: 0.55rem 0.65rem;
  border-radius: 6px;
  border: 1px solid var(--bt-line);
  background: var(--bt-surface-2);
  color: var(--bt-text);
  font: inherit;
}

label {
  display: block;
  margin: 0.75rem 0;
  font-size: 0.9rem;
}

.bt-step {
  border: 1px solid var(--bt-line);
  border-radius: 10px;
  padding: 1rem;
  margin: 1rem 0;
  background: var(--bt-surface);
}

.bt-step h3 {
  margin: 0 0 0.25rem;
  font-size: 1rem;
}

.bt-photo-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.5rem 0;
}

.bt-thumb {
  width: 88px;
  height: 88px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--bt-line);
}

.bt-pill {
  display: inline-block;
  font-size: 0.72rem;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  background: rgba(201, 162, 39, 0.12);
  color: var(--bt-gold);
  margin-right: 0.35rem;
}

.bt-banner-warn {
  background: rgba(196, 92, 74, 0.15);
  border: 1px solid rgba(196, 92, 74, 0.45);
  color: #f0c4bc;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  margin: 1rem 0;
}

.bt-banner-ok {
  background: rgba(61, 143, 106, 0.12);
  border: 1px solid rgba(61, 143, 106, 0.4);
  padding: 0.75rem 1rem;
  border-radius: 8px;
  margin: 1rem 0;
}

.bt-compare-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

@media (max-width: 640px) {
  .bt-compare-row {
    grid-template-columns: 1fr;
  }
  .bt-nav {
    font-size: 0.8rem;
  }
}

.bt-footer {
  margin-top: var(--bt-space-7);
  padding: var(--bt-space-6) 0 var(--bt-space-5);
  border-top: 1px solid var(--bt-line);
  box-shadow: 0 -1px 0 var(--bt-hairline);
  font-size: 0.85rem;
  color: var(--bt-muted);
}

.bt-footer-grid {
  display: grid;
  gap: var(--bt-space-5);
  margin-bottom: var(--bt-space-5);
}

@media (min-width: 40rem) {
  .bt-footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: var(--bt-space-6);
  }
}

.bt-footer-col h2 {
  font-family: var(--bt-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--bt-text);
  margin: 0 0 var(--bt-space-3);
}

.bt-footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.bt-footer-col li {
  margin: 0.35rem 0;
}

.bt-footer-col a {
  color: var(--bt-muted);
  text-decoration: none;
}

.bt-footer-col a:hover {
  color: var(--bt-text);
}

.bt-footer-legal {
  padding-top: var(--bt-space-4);
  border-top: 1px solid var(--bt-line);
  font-size: 0.8rem;
}

.bt-footer a {
  color: var(--bt-muted);
}

.bt-footer a:hover {
  color: var(--bt-text);
}

.bt-article-nav {
  margin-top: var(--bt-space-6);
  padding-top: var(--bt-space-4);
  border-top: 1px solid var(--bt-line);
  font-size: 0.9rem;
}

.bt-read-link {
  font-weight: 600;
  text-decoration: none;
}

.bt-read-link:hover {
  text-decoration: underline;
}

.bt-app-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.bt-app-nav button {
  font: inherit;
}

.bt-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.bt-table th,
.bt-table td {
  text-align: left;
  padding: 0.5rem;
  border-bottom: 1px solid var(--bt-line);
}

.bt-damage-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  margin: 0.15rem 0.35rem 0.15rem 0;
  font-size: 0.8rem;
}

.bt-print-root {
  display: none;
}

@media print {
  body * {
    visibility: hidden;
  }
  .bt-print-root,
  .bt-print-root * {
    visibility: visible;
  }
  .bt-print-root {
    display: block !important;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    background: #fff;
    color: #111;
    padding: 1rem;
  }
  .bt-no-print {
    display: none !important;
  }
}

.bt-print-doc h1 {
  font-family: var(--bt-display);
  color: #0c3d5c;
}

.bt-print-doc .bt-print-zone {
  break-inside: avoid;
  margin-bottom: 1rem;
  border-bottom: 1px solid #ddd;
  padding-bottom: 0.75rem;
}

.bt-print-highlight {
  background: #fff8e6;
  border-left: 4px solid #c9a227;
  padding-left: 0.5rem;
}

.bt-prose {
  max-width: 42rem;
  color: var(--bt-muted);
}

.bt-prose h1 {
  font-family: var(--bt-display);
  color: var(--bt-text);
}

.bt-prose h2 {
  font-family: var(--bt-display);
  color: var(--bt-text);
  font-size: 1.35rem;
  margin: 2rem 0 0.75rem;
}

.bt-prose p,
.bt-prose li {
  margin: 0.75rem 0;
}

.bt-prose ul {
  padding-left: 1.25rem;
}

.bt-prose strong {
  color: var(--bt-text);
}

.bt-price-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.95rem;
}

.bt-price-table th,
.bt-price-table td {
  padding: 0.65rem 0.75rem;
  border-bottom: 1px solid var(--bt-line);
  text-align: left;
}

.bt-price-table th {
  color: var(--bt-muted);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.bt-faq dt {
  font-weight: 600;
  color: var(--bt-text);
  margin-top: 1rem;
}

.bt-faq dd {
  margin: 0.35rem 0 0;
  color: var(--bt-muted);
}

.bt-resource-section {
  margin: 2rem 0;
}

.bt-resource-section h2 {
  font-family: var(--bt-display);
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
}

.bt-resource-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.bt-resource-list li {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--bt-line);
}

.bt-resource-list a {
  font-weight: 600;
  color: var(--bt-text);
  text-decoration: none;
}

.bt-resource-list a:hover {
  color: #a8d4e8;
}

.bt-resource-note {
  display: block;
  font-size: 0.85rem;
  color: var(--bt-muted);
  margin-top: 0.25rem;
}

.bt-flow-chart-wrap {
  margin: var(--bt-space-5) 0;
}

.bt-flow-chart {
  padding: var(--bt-space-4);
  border: 1px solid var(--bt-line);
  border-radius: 10px;
  background: var(--bt-surface);
  box-shadow: 0 -1px 0 var(--bt-hairline);
}

.bt-flow-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--bt-space-3);
  grid-template-columns: repeat(auto-fit, minmax(9.5rem, 1fr));
}

.bt-flow-chart--compact .bt-flow-steps {
  grid-template-columns: repeat(auto-fit, minmax(7.5rem, 1fr));
  gap: var(--bt-space-2);
}

.bt-flow-step {
  position: relative;
  padding: var(--bt-space-3);
  border-radius: 8px;
  border: 1px solid var(--bt-line);
  background: var(--bt-surface-2);
  min-height: 4.5rem;
}

.bt-flow-step--current {
  border-color: var(--bt-hairline);
  box-shadow: inset 0 0 0 1px rgba(201, 162, 39, 0.25);
}

.bt-flow-step--done {
  opacity: 0.72;
}

.bt-flow-lane {
  display: block;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bt-muted);
  margin-bottom: 0.25rem;
}

.bt-flow-step[data-step] .bt-flow-lane {
  color: var(--bt-muted);
}

.bt-flow-num {
  position: absolute;
  top: var(--bt-space-2);
  right: var(--bt-space-2);
  font-size: 0.7rem;
  color: var(--bt-gold);
  font-weight: 600;
}

.bt-flow-label {
  display: block;
  font-family: var(--bt-display);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.bt-flow-hint {
  display: block;
  font-size: 0.78rem;
  color: var(--bt-muted);
  line-height: 1.35;
}

.bt-flow-legend {
  margin: var(--bt-space-4) 0 0;
  line-height: 1.5;
}

.bt-flow-legend a {
  color: #a8d4e8;
}

.bt-app-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.5rem;
  margin: var(--bt-space-3) var(--bt-space-4) 0;
  max-width: var(--bt-page-max);
  margin-left: auto;
  margin-right: auto;
  padding: 0 var(--bt-space-4);
}

.bt-crumb {
  font: inherit;
  font-size: 0.88rem;
  color: var(--bt-muted);
  background: none;
  border: none;
  padding: 0.2rem 0;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.bt-crumb:hover,
.bt-crumb.is-current {
  color: var(--bt-text);
}

.bt-crumb.is-current {
  text-decoration: none;
  cursor: default;
  font-weight: 600;
}

.bt-crumb-sep {
  color: var(--bt-muted);
  opacity: 0.6;
}

.bt-home-band {
  margin: 2.5rem 0 0;
  padding-top: 2rem;
  border-top: 1px solid var(--bt-line);
}

.bt-cluster-title {
  font-family: var(--bt-display);
  font-size: 1.35rem;
  margin: 0 0 0.75rem;
  font-weight: 600;
}

.bt-blog-cluster {
  margin: 2rem 0 0;
}

.bt-blog-cluster .bt-blog-list {
  margin-top: 0.5rem;
}

.bt-blog-jump {
  margin: 0 0 1.5rem;
}

.bt-blog-jump a {
  color: var(--bt-muted);
  text-decoration: none;
}

.bt-blog-jump a:hover {
  color: #a8d4e8;
}

.bt-tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0.35rem 0 0.5rem;
}

.bt-tag {
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  border: 1px solid var(--bt-line);
  color: var(--bt-muted);
}

.bt-card-link {
  display: block;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.bt-card-link:hover {
  border-color: var(--bt-hairline);
  transform: translateY(-2px);
}

.bt-lane-readmap a {
  color: #a8d4e8;
  text-decoration: none;
}

.bt-lane-readmap a:hover {
  text-decoration: underline;
}

.bt-blog-list article,
.bt-blog-card {
  margin: 1.25rem 0;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--bt-line);
}

.bt-blog-list h2 {
  font-family: var(--bt-display);
  font-size: 1.25rem;
  margin: 0 0 0.35rem;
}

.bt-blog-list h2 a {
  color: var(--bt-text);
  text-decoration: none;
}

.bt-blog-list h2 a:hover {
  color: #a8d4e8;
}

.bt-meta {
  font-size: 0.8rem;
  color: var(--bt-muted);
}

.bt-swatch-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 1rem 0;
}

.bt-swatch {
  width: 5rem;
  height: 5rem;
  border-radius: 8px;
  border: 1px solid var(--bt-line);
}

.bt-lane-table {
  font-size: 0.88rem;
}

.bt-lane-table td:first-child {
  white-space: nowrap;
  color: var(--bt-muted);
}

.bt-skip {
  position: absolute;
  left: -9999px;
  top: 0;
}

.bt-skip:focus {
  left: var(--bt-space-4);
  top: var(--bt-space-4);
  z-index: 100;
  padding: var(--bt-space-2) var(--bt-space-3);
  background: var(--bt-surface);
  border: 1px solid var(--bt-hairline);
  color: var(--bt-text);
}

/*  ·  ·  v8 page system  ·  ·  */

.bt-stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
  gap: var(--bt-space-3);
  margin: var(--bt-space-6) 0 0;
}

.bt-stat {
  padding: var(--bt-space-4);
  border-radius: 10px;
  border: 1px solid var(--bt-line);
  background: linear-gradient(165deg, var(--bt-surface) 0%, rgba(12, 26, 36, 0.6) 100%);
  box-shadow: 0 1px 0 var(--bt-hairline);
}

.bt-stat-val {
  display: block;
  font-family: var(--bt-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--bt-gold);
  line-height: 1.1;
}

.bt-stat-label {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.82rem;
  color: var(--bt-muted);
  line-height: 1.4;
}

.bt-panel {
  margin: var(--bt-space-5) 0;
  padding: var(--bt-space-5);
  border-radius: 12px;
  border: 1px solid var(--bt-line);
  background: var(--bt-surface);
  box-shadow: 0 1px 0 var(--bt-hairline), 0 12px 40px rgba(0, 0, 0, 0.22);
}

.bt-panel h2,
.bt-panel h3 {
  font-family: var(--bt-display);
  margin: 0 0 0.5rem;
}

.bt-proof-grid {
  display: grid;
  gap: var(--bt-space-3);
  margin: var(--bt-space-5) 0;
}

@media (min-width: 40rem) {
  .bt-proof-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.bt-proof-card {
  padding: var(--bt-space-4);
  border-radius: 10px;
  border: 1px solid var(--bt-line);
  background: var(--bt-surface-2);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.bt-proof-card:hover {
  border-color: var(--bt-hairline);
  transform: translateY(-2px);
}

.bt-proof-card strong {
  display: block;
  font-family: var(--bt-display);
  font-size: 1.05rem;
  margin-bottom: 0.35rem;
  color: var(--bt-text);
}

.bt-proof-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--bt-muted);
}

.bt-pricing-grid {
  display: grid;
  gap: var(--bt-space-4);
  margin: var(--bt-space-5) 0;
}

@media (min-width: 48rem) {
  .bt-pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.bt-price-card {
  position: relative;
  padding: var(--bt-space-5);
  border-radius: 12px;
  border: 1px solid var(--bt-line);
  background: var(--bt-surface);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.bt-price-card--spotlight {
  border-color: var(--bt-hairline);
  box-shadow: 0 0 0 1px rgba(201, 162, 39, 0.2), 0 16px 48px rgba(0, 0, 0, 0.28);
}

.bt-price-card--spotlight::before {
  content: "Most operators";
  position: absolute;
  top: var(--bt-space-3);
  right: var(--bt-space-3);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bt-gold);
}

.bt-price-card h2 {
  font-family: var(--bt-display);
  font-size: 1.35rem;
  margin: 0 0 0.25rem;
}

.bt-price-amt {
  font-family: var(--bt-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--bt-text);
  margin: 0.5rem 0;
}

.bt-price-amt span {
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--bt-muted);
}

.bt-price-card ul {
  margin: 1rem 0 0;
  padding-left: 1.1rem;
  color: var(--bt-muted);
  font-size: 0.92rem;
}

.bt-skin-rail {
  list-style: none;
  margin: var(--bt-space-5) 0;
  padding: 0;
  border-left: 2px solid var(--bt-line);
}

.bt-skin-rail li {
  position: relative;
  padding: 0 0 var(--bt-space-4) var(--bt-space-5);
}

.bt-skin-rail li::before {
  content: "";
  position: absolute;
  left: calc(-2px - 5px);
  top: 0.35rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--bt-surface-2);
  border: 2px solid var(--bt-muted);
}

.bt-skin-rail li.bt-skin-live::before {
  background: var(--bt-gold);
  border-color: var(--bt-gold);
  box-shadow: 0 0 12px rgba(201, 162, 39, 0.45);
}

.bt-skin-rail strong {
  font-family: var(--bt-display);
  display: block;
  font-size: 1.05rem;
}

.bt-skin-rail .bt-meta {
  display: block;
  margin-top: 0.2rem;
}

.bt-news-timeline {
  list-style: none;
  margin: var(--bt-space-5) 0;
  padding: 0;
}

.bt-news-timeline li {
  position: relative;
  padding: 0 0 var(--bt-space-5) var(--bt-space-5);
  border-left: 2px solid var(--bt-line);
  margin-left: 0.35rem;
}

.bt-news-timeline li:last-child {
  border-left-color: transparent;
}

.bt-news-timeline time {
  display: block;
  font-size: 0.78rem;
  color: var(--bt-gold);
  letter-spacing: 0.06em;
  margin-bottom: 0.35rem;
}

.bt-news-timeline strong {
  display: block;
  font-family: var(--bt-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--bt-text);
  margin-bottom: 0.35rem;
}

.bt-page-ribbon {
  margin: var(--bt-space-7) auto var(--bt-space-5);
  padding: var(--bt-space-5) var(--bt-space-5);
  border-radius: 14px;
  border: 1px solid var(--bt-hairline);
  background: linear-gradient(135deg, rgba(12, 61, 92, 0.55) 0%, var(--bt-surface) 48%, var(--bt-surface-2) 100%);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--bt-space-4);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

.bt-page-ribbon h2 {
  font-family: var(--bt-display);
  font-size: clamp(1.25rem, 3vw, 1.65rem);
  margin: 0 0 0.25rem;
  font-weight: 600;
}

.bt-page-ribbon p {
  margin: 0;
  color: var(--bt-muted);
  font-size: 0.92rem;
  max-width: 28rem;
}

.bt-brand-hero {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--bt-space-5);
  margin: var(--bt-space-5) 0;
  padding: var(--bt-space-5);
  border-radius: 14px;
  border: 1px solid var(--bt-line);
  background: var(--bt-surface);
}

.bt-brand-hero img {
  width: 5.5rem;
  height: 5.5rem;
  filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.4));
}

.bt-resource-section {
  margin: var(--bt-space-6) 0;
  padding-top: var(--bt-space-4);
  border-top: 1px solid var(--bt-line);
}

.bt-resource-section:first-child {
  border-top: none;
  padding-top: 0;
}

.bt-prose h2 {
  font-family: var(--bt-display);
  font-size: 1.35rem;
  margin: 2rem 0 0.65rem;
  font-weight: 600;
}

.bt-prose h2:first-child {
  margin-top: 0;
}

.bt-article-nav {
  margin: var(--bt-space-6) auto var(--bt-space-4);
  padding-top: var(--bt-space-4);
  border-top: 1px solid var(--bt-line);
  max-width: var(--bt-page-max);
  width: min(var(--bt-page-max), 100% - 2rem);
}

.bt-packet-teaser {
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.bt-packet-teaser:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.28);
}

.bt-read-link {
  font-weight: 600;
  text-decoration: none;
  color: var(--bt-gold);
}

.bt-read-link:hover {
  color: #e8d48a;
}

.bt-article-cta {
  margin-top: var(--bt-space-5);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  align-items: center;
}

.bt-prose .bt-article-cta .bt-btn {
  margin: 0;
}

.bt-blog-card {
  padding: var(--bt-space-4);
  border-radius: 10px;
  border: 1px solid transparent;
  margin: var(--bt-space-3) 0;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.bt-blog-card:hover {
  background: rgba(12, 26, 36, 0.65);
  border-color: var(--bt-line);
}

.bt-duo-panel {
  display: grid;
  gap: var(--bt-space-3);
  margin: var(--bt-space-5) 0;
}

@media (min-width: 40rem) {
  .bt-duo-panel {
    grid-template-columns: 1fr 1fr;
  }
}

/*  ·  ·  Ships.one shell · luxury charter header (v14)  ·  ·  */
.bt-header-shell {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(7, 16, 24, 0.78);
  backdrop-filter: blur(16px) saturate(1.15);
  -webkit-backdrop-filter: blur(16px) saturate(1.15);
  border-bottom: 1px solid transparent;
  transition:
    background 0.25s ease,
    border-color 0.25s ease,
    box-shadow 0.25s ease;
}

.bt-header-shell.is-scrolled {
  background: rgba(7, 16, 24, 0.94);
  border-bottom-color: var(--bt-line);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.28);
}

.bt-header-inner {
  --bt-header-pad: 1.05rem;
  padding: var(--bt-header-pad) 0;
  transition: padding 0.25s ease;
}

.bt-header-shell.is-scrolled .bt-header-inner {
  --bt-header-pad: 0.65rem;
}

.bt-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--bt-space-4);
  width: 100%;
}

.bt-mark-text {
  display: flex;
  flex-direction: column;
  gap: 0.12rem;
  line-height: 1.1;
}

.bt-mark-word {
  font-size: 1.35rem;
  letter-spacing: 0.04em;
}

.bt-mark-sub {
  display: block;
  font-family: var(--bt-font);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--bt-muted);
}

.bt-header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.bt-btn-header {
  display: none;
  padding: 0.5rem 1.15rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 999px;
  border: 1px solid var(--bt-hairline);
  background: linear-gradient(165deg, rgba(201, 162, 39, 0.22), rgba(12, 61, 92, 0.35));
  color: var(--bt-text);
  transition:
    border-color 0.2s ease,
    background 0.2s ease,
    transform 0.2s ease;
}

.bt-btn-header:hover {
  border-color: var(--bt-gold);
  color: var(--bt-text);
  transform: translateY(-1px);
}

.bt-nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-width: 2.75rem;
  min-height: 2.75rem;
  padding: 0 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--bt-line);
  background: rgba(12, 26, 36, 0.55);
  color: var(--bt-text);
  font: inherit;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.bt-nav-toggle:hover {
  border-color: var(--bt-hairline);
}

.bt-nav-toggle-bars {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 1.1rem;
}

.bt-nav-toggle-bars span {
  display: block;
  height: 1.5px;
  width: 100%;
  background: var(--bt-text);
  border-radius: 1px;
  transition: transform 0.22s ease, opacity 0.22s ease;
}

.bt-nav-toggle[aria-expanded="true"] .bt-nav-toggle-bars span:nth-child(1) {
  transform: translateY(5.5px) rotate(45deg);
}

.bt-nav-toggle[aria-expanded="true"] .bt-nav-toggle-bars span:nth-child(2) {
  opacity: 0;
}

.bt-nav-toggle[aria-expanded="true"] .bt-nav-toggle-bars span:nth-child(3) {
  transform: translateY(-5.5px) rotate(-45deg);
}

.bt-nav-backdrop {
  display: none;
}

.bt-nav-links {
  display: flex;
  align-items: center;
  gap: 0.15rem 1.75rem;
}

.bt-nav-panel a {
  color: var(--bt-muted);
  text-decoration: none;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.35rem 0;
  transition: color 0.18s ease;
}

.bt-nav-panel a:hover,
.bt-nav-panel a[aria-current="page"] {
  color: var(--bt-text);
}

.bt-nav-panel a[aria-current="page"] {
  color: var(--bt-gold);
}

.bt-nav-drawer-cta {
  display: none;
}

@media (min-width: 56rem) {
  .bt-nav-toggle {
    display: none;
  }

  .bt-btn-header {
    display: inline-flex;
    align-items: center;
  }

  .bt-nav-panel {
    flex: 1;
    display: flex;
    justify-content: center;
    margin: 0 var(--bt-space-3);
  }
}

@media (max-width: 55.99rem) {
  .bt-nav-panel {
    position: fixed;
    inset: 0;
    z-index: 210;
    pointer-events: none;
    visibility: hidden;
    transition: visibility 0.3s ease;
  }

  .bt-nav-panel.is-open {
    pointer-events: auto;
    visibility: visible;
  }

  .bt-nav-backdrop {
    display: block;
    position: absolute;
    inset: 0;
    border: none;
    padding: 0;
    margin: 0;
    background: rgba(4, 10, 16, 0.72);
    backdrop-filter: blur(6px);
    opacity: 0;
    transition: opacity 0.3s ease;
    cursor: pointer;
  }

  .bt-nav-panel.is-open .bt-nav-backdrop {
    opacity: 1;
  }

  .bt-nav-links {
    position: absolute;
    top: 0;
    right: 0;
    width: min(20rem, 88vw);
    height: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: calc(4.5rem + env(safe-area-inset-top, 0)) var(--bt-space-5) var(--bt-space-6);
    background: linear-gradient(180deg, var(--bt-surface) 0%, var(--bt-bg) 100%);
    border-left: 1px solid var(--bt-line);
    box-shadow: -16px 0 48px rgba(0, 0, 0, 0.45);
    transform: translateX(100%);
    transition: transform 0.32s cubic-bezier(0.22, 1, 0.36, 1);
  }

  .bt-nav-panel.is-open .bt-nav-links {
    transform: translateX(0);
  }

  .bt-nav-links a {
    font-size: 0.82rem;
    letter-spacing: 0.14em;
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--bt-line);
  }

  .bt-nav-links a[aria-current="page"] {
    color: var(--bt-gold);
  }

  .bt-nav-drawer-cta {
    display: inline-flex;
    justify-content: center;
    margin-top: var(--bt-space-5);
    width: 100%;
  }
}

body.bt-nav-open {
  overflow: hidden;
}

.bt-lane-skin-page.bt-lane-skin-active .bt-header-shell.is-scrolled {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.32);
}

.bt-lane-token-strip .bt-steps-inline li span {
  display: block;
  color: var(--bt-muted);
  font-size: 0.88rem;
  margin-top: 0.2rem;
}

.bt-lane-status {
  margin: -0.25rem 0 0.75rem;
}

.bt-packet-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.65rem;
  margin: var(--bt-space-4) 0 var(--bt-space-3);
  padding: var(--bt-space-3) var(--bt-space-4);
  border-radius: 10px;
  border: 1px solid var(--bt-line);
  background: rgba(12, 26, 36, 0.55);
  box-shadow: inset 0 1px 0 0 var(--bt-hairline);
}

.bt-packet-bar-label {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bt-gold);
  margin-right: 0.35rem;
}

.bt-packet-bar-hint {
  margin: 0 0 var(--bt-space-3);
  min-height: 1.25rem;
}

.bt-packet-bar .bt-btn {
  font-size: 0.78rem;
  padding: 0.45rem 0.85rem;
}

/*  ·  ·  Example packet document  ·  ·  */
.bt-packet-doc {
  background: #fafcfd;
  color: #1a2830;
  border-radius: 16px;
  padding: clamp(1.25rem, 3vw, 2rem) clamp(1.25rem, 3vw, 2.25rem) clamp(1.5rem, 3vw, 2.5rem);
  margin: 0 0 var(--bt-space-5);
  border: 1px solid rgba(12, 61, 92, 0.12);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.8) inset,
    0 28px 64px rgba(0, 0, 0, 0.38);
}

.bt-packet-doc-head h2 {
  font-family: var(--bt-display);
  font-size: 1.65rem;
  color: #0c3d5c;
  margin: 0.35rem 0 1rem;
}

.bt-packet-doc-brand {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #5a7285;
  margin: 0;
}

.bt-packet-doc-meta {
  font-size: 0.92rem;
  line-height: 1.55;
  margin: 0 0 1rem;
}

.bt-packet-doc-hold {
  background: rgba(201, 162, 39, 0.15);
  border-left: 3px solid #c9a227;
  padding: 0.75rem 1rem;
  margin: 0;
  font-size: 0.95rem;
}

.bt-packet-zone-block {
  margin-top: var(--bt-space-5);
  padding-top: var(--bt-space-4);
  border-top: 1px solid rgba(12, 61, 92, 0.12);
}

.bt-packet-zone-block h3 {
  font-family: var(--bt-display);
  font-size: 1.15rem;
  color: #0c3d5c;
  margin: 0 0 0.65rem;
}

.bt-packet-photo-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.bt-packet-photo {
  aspect-ratio: 4 / 3;
  border-radius: 6px;
  background: linear-gradient(135deg, #d8e4ec 0%, #b8c9d4 100%);
  border: 1px solid rgba(12, 61, 92, 0.1);
}

.bt-packet-verdict {
  margin: 0;
  font-size: 0.92rem;
}

.bt-packet-verdict--new {
  background: #fff4d6;
  border: 1px solid rgba(201, 162, 39, 0.45);
  padding: 0.65rem 0.85rem;
  border-radius: 6px;
}

.bt-packet-verdict--ok {
  color: #3d5a4a;
}

.bt-packet-preexisting {
  font-size: 0.88rem;
  color: #5a7285;
  margin: 0 0 0.5rem;
}

.bt-packet-doc-foot {
  margin-top: var(--bt-space-6);
  padding-top: var(--bt-space-4);
  border-top: 1px solid rgba(12, 61, 92, 0.12);
  font-size: 0.8rem;
  color: #5a7285;
}

.bt-liferaft-panel {
  margin-top: var(--bt-space-5);
}

.bt-trust-grid {
  display: grid;
  gap: var(--bt-space-4);
  margin: var(--bt-space-5) 0;
}

@media (min-width: 40rem) {
  .bt-trust-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.bt-trust-card {
  padding: var(--bt-space-4);
  border-radius: 10px;
  border: 1px solid var(--bt-line);
  background: rgba(12, 26, 36, 0.55);
}

.bt-trust-card h3 {
  font-family: var(--bt-display);
  font-size: 1.1rem;
  margin: 0 0 0.5rem;
  color: var(--bt-gold);
}

.bt-demo-banner {
  font-size: 0.88rem;
  color: var(--bt-muted);
  padding: var(--bt-space-3) var(--bt-space-4);
  border-radius: 8px;
  border: 1px dashed var(--bt-line);
  margin-bottom: var(--bt-space-4);
}

@media (max-width: 47.99rem) {
  .bt-wrap {
    width: min(var(--bt-page-max), 100% - 1.25rem);
  }

  .bt-hero h1 {
    max-width: none;
  }

  .bt-lead {
    font-size: 1.05rem;
  }
}

/* dock demo shell (Fairlead v17) */
.bt-app-shell {
  padding-bottom: calc(var(--bt-space-6) + env(safe-area-inset-bottom, 0px));
}

.bt-app-panel {
  margin-top: var(--bt-space-3);
}

.bt-app-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--bt-space-3);
  margin: var(--bt-space-4) 0 var(--bt-space-5);
}

.bt-vessel-grid {
  grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr));
}

.bt-vessel-card .bt-vessel-card-meta {
  margin: 0.35rem 0 1rem;
  font-size: 0.88rem;
  color: var(--bt-muted);
}

.bt-vessel-card-meta span {
  font-weight: 600;
  color: var(--bt-gold);
}

.bt-empty-state {
  color: var(--bt-muted);
  font-size: 0.95rem;
  padding: var(--bt-space-4) 0;
}

.bt-table-wrap {
  overflow-x: auto;
  margin-top: var(--bt-space-3);
  border-radius: 10px;
  border: 1px solid var(--bt-line);
}

.bt-table--app th,
.bt-table--app td {
  white-space: nowrap;
}

.bt-table-muted {
  color: var(--bt-muted);
  font-size: 0.88rem;
}

.bt-table-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--bt-muted);
}

.bt-table-badge--ok {
  background: rgba(72, 160, 120, 0.2);
  color: #8fd4b0;
}

.bt-table-badge--gold {
  background: rgba(201, 162, 39, 0.22);
  color: var(--bt-gold);
}

.bt-booking-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--bt-space-3);
  margin: var(--bt-space-4) 0 var(--bt-space-5);
}

@media (max-width: 36rem) {
  .bt-booking-metrics {
    grid-template-columns: 1fr;
  }
}

.bt-metric-chip {
  padding: var(--bt-space-3) var(--bt-space-4);
  border-radius: 10px;
  border: 1px solid var(--bt-line);
  background: rgba(12, 26, 36, 0.45);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.bt-metric-name {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--bt-muted);
}

.bt-metric-state {
  font-size: 0.95rem;
  font-weight: 600;
}

.bt-metric-chip--done .bt-metric-state {
  color: #8fd4b0;
}

.bt-metric-chip--active .bt-metric-state {
  color: var(--bt-gold);
}

.bt-metric-chip--locked {
  opacity: 0.55;
}

.bt-lead-tight {
  margin-top: 0.35rem;
  font-size: 1rem;
}

.bt-wizard-progress {
  margin: var(--bt-space-4) 0 var(--bt-space-5);
}

.bt-wizard-progress-track {
  height: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.bt-wizard-progress-fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--bt-gold), #e8c96a);
  transition: width 0.25s ease;
}

.bt-wizard-progress-label {
  font-size: 0.88rem;
  color: var(--bt-muted);
}

.bt-zone-stack {
  display: flex;
  flex-direction: column;
  gap: var(--bt-space-4);
  margin-bottom: var(--bt-space-6);
}

.bt-zone-card {
  padding: var(--bt-space-4);
  border-radius: 12px;
  border: 1px solid var(--bt-line);
  background: rgba(12, 26, 36, 0.5);
}

.bt-zone-card--optional {
  opacity: 0.92;
}

.bt-zone-card-head {
  display: flex;
  align-items: flex-start;
  gap: var(--bt-space-3);
  margin-bottom: var(--bt-space-3);
}

.bt-zone-card-titles h3 {
  margin: 0;
  font-size: 1.05rem;
}

.bt-zone-card-hint {
  margin: 0.2rem 0 0;
  font-size: 0.82rem;
  color: var(--bt-muted);
}

.bt-zone-glyph {
  flex-shrink: 0;
  width: 2.75rem;
  height: 2.75rem;
  color: var(--bt-gold);
  opacity: 0.9;
}

.bt-zone-glyph svg {
  width: 100%;
  height: 100%;
  display: block;
}

.bt-zone-status {
  margin-left: auto;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  white-space: nowrap;
}

.bt-zone-status--need {
  background: rgba(201, 120, 80, 0.25);
  color: #f0b090;
}

.bt-zone-status--done {
  background: rgba(72, 160, 120, 0.22);
  color: #8fd4b0;
}

.bt-zone-status--empty {
  background: rgba(255, 255, 255, 0.06);
  color: var(--bt-muted);
}

.bt-photo-grid--zone {
  grid-template-columns: repeat(auto-fill, minmax(7.5rem, 1fr));
  gap: var(--bt-space-3);
  margin-bottom: var(--bt-space-3);
}

.bt-thumb-frame {
  position: relative;
  margin: 0;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--bt-line);
  aspect-ratio: 4 / 3;
  background: rgba(0, 0, 0, 0.25);
}

.bt-thumb-frame .bt-zone-glyph {
  position: absolute;
  top: 0.35rem;
  left: 0.35rem;
  width: 1.75rem;
  height: 1.75rem;
  opacity: 0.65;
  pointer-events: none;
  z-index: 1;
}

.bt-thumb-frame .bt-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.bt-thumb-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  aspect-ratio: 4 / 3;
  border-radius: 10px;
  border: 1px dashed var(--bt-line);
  background: rgba(12, 61, 92, 0.12);
  color: var(--bt-muted);
  padding: var(--bt-space-3);
}

.bt-thumb-placeholder .bt-zone-glyph {
  width: 2.5rem;
  height: 2.5rem;
  opacity: 0.5;
}

.bt-thumb-placeholder-text {
  font-size: 0.75rem;
  text-align: center;
}

.bt-damage-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.75rem;
  margin-top: var(--bt-space-3);
}

.bt-renter-ack {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  margin: var(--bt-space-3) 0;
  cursor: pointer;
}

.bt-wizard-sticky {
  position: sticky;
  bottom: 0;
  z-index: 4;
  padding: var(--bt-space-4) 0;
  margin: 0 calc(-1 * var(--bt-space-2));
  padding-left: var(--bt-space-2);
  padding-right: var(--bt-space-2);
  background: linear-gradient(180deg, transparent 0%, rgba(7, 16, 24, 0.92) 28%, rgba(7, 16, 24, 0.98) 100%);
  backdrop-filter: blur(8px);
}

.bt-btn-lg {
  padding: 0.75rem 1.35rem;
  font-size: 1rem;
}

.bt-compare-stack {
  display: flex;
  flex-direction: column;
  gap: var(--bt-space-5);
  margin-top: var(--bt-space-5);
}

.bt-compare-zone {
  padding: var(--bt-space-4);
  border-radius: 12px;
  border: 1px solid var(--bt-line);
  background: rgba(12, 26, 36, 0.45);
}

.bt-compare-zone--alert {
  border-color: rgba(201, 162, 39, 0.45);
  box-shadow: 0 0 0 1px rgba(201, 162, 39, 0.15);
}

.bt-compare-new-tag {
  margin: 0.25rem 0 0;
  font-size: 0.88rem;
  color: #f0c878;
}

.bt-compare-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--bt-space-4);
  margin-top: var(--bt-space-3);
}

@media (max-width: 40rem) {
  .bt-compare-row {
    grid-template-columns: 1fr;
  }
}

.bt-photo-phase {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--bt-muted);
  margin-bottom: 0.5rem;
}

.bt-photo-grid--compare {
  grid-template-columns: repeat(auto-fill, minmax(6.5rem, 1fr));
}

.bt-export-peek {
  margin-top: var(--bt-space-5);
  font-size: 0.85rem;
  color: var(--bt-muted);
}

.bt-export-peek-pre {
  overflow: auto;
  font-size: 0.72rem;
  background: var(--bt-surface);
  padding: 1rem;
  border-radius: 8px;
  border: 1px solid var(--bt-line);
  margin-top: 0.5rem;
}