:root {
  --bk-bg: #070d16;
  --bk-surface: #0e1724;
  --bk-surface-2: #142233;
  --bk-border: rgba(148, 195, 218, 0.16);
  --bk-border-hover: rgba(148, 195, 218, 0.4);
  --bk-ice: #8cd6ea;
  --bk-ice-glow: rgba(140, 214, 234, 0.2);
  --bk-ice-light: #e8f5f9;
  --bk-orange: #ff5722;
  --bk-orange-hover: #e64a19;
  --bk-text: #f0f6fb;
  --bk-text-muted: #8ca2b5;
  --bk-font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --bk-font-mono: 'JetBrains Mono', monospace;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bk-bg);
  color: var(--bk-text);
  font-family: var(--bk-font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

.bk-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Standalone Subdomain Bridge */
.bas-standalone-badge {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(10, 19, 31, 0.94);
  border: 1px solid rgba(140, 214, 234, 0.3);
  padding: 8px 16px;
  border-radius: 9999px;
  backdrop-filter: blur(12px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
  font-size: 11px;
  letter-spacing: 0.04em;
}

.bas-badge-inner {
  display: flex;
  align-items: center;
  gap: 8px;
}

.bas-pulse-dot {
  width: 6px;
  height: 6px;
  background: #34d399;
  border-radius: 50%;
  animation: bkPulse 2s infinite;
}

.bas-badge-brand {
  color: #fff;
  font-weight: 700;
}

.bas-badge-sep {
  color: rgba(255, 255, 255, 0.3);
}

.bas-badge-title {
  color: var(--bk-ice);
  font-family: var(--bk-font-mono);
}

.bas-badge-btn {
  color: #fff;
  background: rgba(140, 214, 234, 0.15);
  padding: 4px 8px;
  border-radius: 4px;
  font-weight: 600;
  transition: all 0.2s;
}

.bas-badge-btn:hover {
  background: var(--bk-ice);
  color: #050a12;
}

/* Header */
.bk-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(7, 13, 22, 0.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--bk-border);
  height: 72px;
}

.bk-nav-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.bk-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.bk-logo-mark {
  font-size: 22px;
  color: var(--bk-ice);
}

.bk-brand-name {
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 0.12em;
  color: #fff;
  display: block;
}

.bk-brand-sub {
  font-family: var(--bk-font-mono);
  font-size: 10px;
  color: var(--bk-text-muted);
  letter-spacing: 0.12em;
  display: block;
}

.bk-nav-menu {
  display: flex;
  gap: 28px;
}

.bk-nav-menu a {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--bk-text-muted);
  transition: color 0.2s;
}

.bk-nav-menu a:hover {
  color: var(--bk-ice);
}

.bk-nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.bk-temp-badge {
  font-family: var(--bk-font-mono);
  font-size: 11px;
  background: rgba(140, 214, 234, 0.08);
  border: 1px solid var(--bk-border);
  padding: 6px 12px;
  border-radius: 4px;
  color: var(--bk-ice);
  display: flex;
  align-items: center;
  gap: 8px;
}

.bk-pulse-dot {
  width: 6px;
  height: 6px;
  background: var(--bk-ice);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--bk-ice);
  animation: bkPulse 2s infinite;
}

@keyframes bkPulse {
  0% { opacity: 0.4; }
  50% { opacity: 1; }
  100% { opacity: 0.4; }
}

/* Primary Button */
.bk-btn-primary {
  background: var(--bk-orange);
  color: #fff;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.04em;
  padding: 10px 22px;
  border-radius: 4px;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.bk-btn-primary:hover {
  background: var(--bk-orange-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(255, 87, 34, 0.35);
}

.bk-btn-outline {
  background: transparent;
  color: #fff;
  border: 1px solid var(--bk-border);
  font-weight: 600;
  font-size: 13px;
  padding: 10px 22px;
  border-radius: 4px;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.bk-btn-outline:hover {
  border-color: var(--bk-ice);
  color: var(--bk-ice);
  background: rgba(140, 214, 234, 0.05);
}

.bk-btn-lg {
  padding: 14px 28px;
  font-size: 14px;
}

.bk-btn-block {
  width: 100%;
}

/* Hero */
.bk-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 24px 80px;
}

.bk-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
}

.bk-hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.65) contrast(1.1);
}

.bk-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 13, 22, 0.6) 0%, rgba(7, 13, 22, 0.85) 60%, rgba(7, 13, 22, 1) 100%);
}

.bk-hero-content {
  position: relative;
  z-index: 2;
  max-width: 960px;
  margin: 0 auto;
  text-align: center;
}

.bk-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(14, 23, 36, 0.8);
  border: 1px solid var(--bk-border);
  padding: 6px 16px;
  border-radius: 4px;
  font-family: var(--bk-font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--bk-ice);
  margin-bottom: 24px;
}

.bk-badge-sep {
  color: rgba(255, 255, 255, 0.25);
}

.bk-hero-title {
  font-size: clamp(34px, 5.2vw, 56px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.12;
  color: #fff;
  margin-bottom: 20px;
}

.bk-hero-desc {
  font-size: clamp(15px, 1.8vw, 17px);
  color: #c0d3e2;
  max-width: 680px;
  margin: 0 auto 32px;
  line-height: 1.7;
}

/* Specs Row */
.bk-hero-specs-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  max-width: 820px;
  margin: 0 auto 36px;
}

.bk-spec-pill {
  background: rgba(14, 23, 36, 0.7);
  border: 1px solid var(--bk-border);
  padding: 14px 12px;
  border-radius: 4px;
  backdrop-filter: blur(8px);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.bk-spec-lbl {
  font-family: var(--bk-font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--bk-text-muted);
}

.bk-spec-val {
  font-size: 16px;
  font-weight: 800;
  color: #fff;
}

.bk-hero-ctas {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

/* Departure Strip */
.bk-departure-strip {
  background: rgba(14, 23, 36, 0.85);
  border: 1px solid var(--bk-border);
  padding: 12px 20px;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

.bk-strip-label {
  font-family: var(--bk-font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--bk-text-muted);
}

.bk-departure-pills {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.bk-dep-pill {
  font-family: var(--bk-font-mono);
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #d1dfeb;
}

.bk-dep-pill.active {
  background: rgba(52, 211, 153, 0.12);
  border-color: rgba(52, 211, 153, 0.35);
  color: #34d399;
  font-weight: 600;
}

.bk-dep-pill.soldout {
  opacity: 0.5;
  text-decoration: line-through;
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.2);
  color: #f87171;
}

/* Telemetry Strip */
.bk-telemetry-strip {
  background: var(--bk-surface);
  border-top: 1px solid var(--bk-border);
  border-bottom: 1px solid var(--bk-border);
  padding: 36px 0;
}

.bk-telemetry-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.bk-tel-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.bk-tel-icon {
  font-size: 24px;
  line-height: 1;
}

.bk-tel-val {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #fff;
  margin-bottom: 3px;
}

.bk-tel-sub {
  font-size: 12px;
  color: var(--bk-text-muted);
  line-height: 1.4;
}

/* Sections */
.bk-section {
  padding: 100px 0;
  position: relative;
}

.bk-section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}

.bk-sec-tag {
  font-family: var(--bk-font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--bk-ice);
  text-transform: uppercase;
  margin-bottom: 12px;
  display: block;
}

.bk-sec-title {
  font-size: clamp(26px, 3.2vw, 38px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: #fff;
  margin-bottom: 12px;
}

.bk-sec-sub {
  font-size: 15px;
  color: var(--bk-text-muted);
  line-height: 1.6;
}

/* Itinerary Waypoints */
.bk-route-nav {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
  margin-bottom: 32px;
}

.bk-wp-btn {
  background: var(--bk-surface);
  border: 1px solid var(--bk-border);
  padding: 16px 12px;
  border-radius: 4px;
  text-align: left;
  transition: all 0.2s;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.bk-wp-btn span {
  font-family: var(--bk-font-mono);
  font-size: 10px;
  color: var(--bk-text-muted);
  letter-spacing: 0.06em;
}

.bk-wp-btn b {
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.04em;
}

.bk-wp-btn:hover {
  border-color: var(--bk-ice);
}

.bk-wp-btn.active {
  background: var(--bk-surface-2);
  border-color: var(--bk-ice);
  box-shadow: 0 0 16px var(--bk-ice-glow);
}

.bk-wp-btn.active span {
  color: var(--bk-ice);
}

/* Waypoint Card */
.bk-wp-card {
  background: var(--bk-surface);
  border: 1px solid var(--bk-border);
  border-radius: 6px;
  display: grid;
  grid-template-columns: 1.8fr 1fr;
  overflow: hidden;
}

.bk-wp-info {
  padding: 40px;
}

.bk-wp-meta {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
  font-family: var(--bk-font-mono);
  font-size: 11px;
}

.bk-wp-num {
  color: var(--bk-ice);
  font-weight: 600;
}

.bk-wp-dist {
  color: var(--bk-text-muted);
}

.bk-wp-title {
  font-size: 24px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  line-height: 1.3;
}

.bk-wp-desc {
  font-size: 14px;
  color: #c0d3e2;
  line-height: 1.7;
  margin-bottom: 24px;
}

.bk-wp-highlights {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.bk-wp-highlights li {
  font-size: 13px;
  color: #d1dfeb;
  position: relative;
  padding-left: 20px;
}

.bk-wp-highlights li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--bk-ice);
}

.bk-wp-visual {
  background: var(--bk-surface-2);
  border-left: 1px solid var(--bk-border);
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  gap: 20px;
}

.bk-wp-metric {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.bk-wp-metric span {
  font-family: var(--bk-font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--bk-text-muted);
}

.bk-wp-metric b {
  font-size: 20px;
  font-weight: 800;
  color: var(--bk-ice);
}

/* Gear Protocol Section */
.bk-gear-section {
  background: rgba(14, 23, 36, 0.4);
  border-top: 1px solid var(--bk-border);
  border-bottom: 1px solid var(--bk-border);
}

.bk-gear-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.bk-gear-card {
  background: var(--bk-surface);
  border: 1px solid var(--bk-border);
  border-radius: 6px;
  padding: 32px;
}

.bk-gear-header {
  margin-bottom: 20px;
}

.bk-gear-badge {
  font-family: var(--bk-font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 4px 8px;
  border-radius: 3px;
  display: inline-block;
  margin-bottom: 8px;
}

.bk-gear-badge.issued {
  background: rgba(52, 211, 153, 0.12);
  border: 1px solid rgba(52, 211, 153, 0.3);
  color: #34d399;
}

.bk-gear-badge.client {
  background: rgba(140, 214, 234, 0.12);
  border: 1px solid rgba(140, 214, 234, 0.3);
  color: var(--bk-ice);
}

.bk-gear-header h3 {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
}

.bk-gear-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.bk-gear-list li {
  font-size: 13px;
  color: #c0d3e2;
  line-height: 1.5;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding-bottom: 10px;
}

.bk-gear-list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.bk-gear-list strong {
  color: #fff;
}

/* Pricing Grid */
.bk-pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}

.bk-price-card {
  background: var(--bk-surface);
  border: 1px solid var(--bk-border);
  border-radius: 6px;
  padding: 36px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.2s, border-color 0.2s;
}

.bk-price-card:hover {
  border-color: var(--bk-border-hover);
  transform: translateY(-2px);
}

.bk-price-card.bk-featured-card {
  background: var(--bk-surface-2);
  border-color: var(--bk-orange);
  box-shadow: 0 0 30px rgba(255, 87, 34, 0.15);
}

.bk-price-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bk-orange);
  color: #fff;
  font-family: var(--bk-font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 4px 12px;
  border-radius: 999px;
}

.bk-price-tier {
  font-family: var(--bk-font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--bk-ice);
  margin-bottom: 8px;
}

.bk-card-title {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
  line-height: 1.3;
}

.bk-card-price {
  font-size: 40px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 8px;
}

.bk-card-price span {
  font-size: 24px;
  vertical-align: top;
  margin-right: 2px;
  color: var(--bk-ice);
}

.bk-card-price small {
  font-size: 13px;
  font-weight: 500;
  color: var(--bk-text-muted);
}

.bk-card-sub {
  font-size: 13px;
  color: var(--bk-text-muted);
  line-height: 1.5;
  margin-bottom: 24px;
  min-height: 58px;
}

.bk-card-perks {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
  flex-grow: 1;
}

.bk-card-perks li {
  font-size: 13px;
  color: #d1dfeb;
  line-height: 1.5;
}

/* Polar Guides */
.bk-team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.bk-team-card {
  background: var(--bk-surface);
  border: 1px solid var(--bk-border);
  border-radius: 6px;
  padding: 32px;
}

.bk-team-badge {
  display: inline-block;
  font-family: var(--bk-font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--bk-ice);
  background: rgba(140, 214, 234, 0.08);
  border: 1px solid var(--bk-border);
  padding: 4px 8px;
  border-radius: 3px;
  margin-bottom: 16px;
}

.bk-team-card h4 {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}

.bk-team-role {
  font-size: 12px;
  color: var(--bk-text-muted);
  font-family: var(--bk-font-mono);
  display: block;
  margin-bottom: 14px;
}

.bk-team-card p {
  font-size: 13px;
  color: #c0d3e2;
  line-height: 1.6;
}

/* Footer */
.bk-footer {
  background: #04080e;
  border-top: 1px solid var(--bk-border);
  padding: 48px 0;
}

.bk-footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.bk-footer-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.bk-footer-brand {
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.06em;
}

.bk-footer-sub {
  font-size: 11px;
  color: var(--bk-text-muted);
  font-family: var(--bk-font-mono);
}

.bk-footer-right {
  font-size: 12px;
  color: var(--bk-text-muted);
  display: flex;
  gap: 12px;
  align-items: center;
}

.bk-footer-right a:hover {
  color: var(--bk-ice);
}

/* Modal */
.bk-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(4, 8, 14, 0.85);
  backdrop-filter: blur(10px);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.bk-modal-backdrop.open {
  display: flex;
}

.bk-modal {
  background: var(--bk-surface);
  border: 1px solid var(--bk-border);
  border-radius: 6px;
  max-width: 600px;
  width: 100%;
  padding: 36px;
  position: relative;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
}

.bk-modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 24px;
  color: var(--bk-text-muted);
  line-height: 1;
}

.bk-modal-close:hover {
  color: #fff;
}

.bk-modal-head {
  margin-bottom: 24px;
}

.bk-modal-head h3 {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 6px;
}

.bk-modal-head p {
  font-size: 13px;
  color: var(--bk-text-muted);
}

.bk-modal-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.bk-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.bk-modal-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 11px;
  font-family: var(--bk-font-mono);
  color: var(--bk-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.bk-modal-form input,
.bk-modal-form select {
  background: var(--bk-surface-2);
  border: 1px solid var(--bk-border);
  color: #fff;
  padding: 10px 14px;
  border-radius: 4px;
  font-size: 13px;
  font-family: var(--bk-font-sans);
  outline: none;
}

.bk-modal-form input:focus,
.bk-modal-form select:focus {
  border-color: var(--bk-ice);
}

.bk-total-box {
  background: var(--bk-surface-2);
  border: 1px solid var(--bk-border);
  padding: 14px 18px;
  border-radius: 4px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.bk-total-label {
  font-size: 12px;
  color: var(--bk-text-muted);
}

.bk-total-box strong {
  font-size: 22px;
  font-weight: 800;
  color: var(--bk-ice);
  font-family: var(--bk-font-mono);
}

.bk-total-disclaimer {
  font-size: 11px;
  color: var(--bk-text-muted);
  line-height: 1.4;
}

/* Responsive */
@media (max-width: 960px) {
  .bk-nav-menu {
    display: none;
  }
  .bk-hero-specs-row,
  .bk-telemetry-grid,
  .bk-pricing-grid,
  .bk-team-grid,
  .bk-gear-grid {
    grid-template-columns: 1fr;
  }
  .bk-route-nav {
    grid-template-columns: repeat(3, 1fr);
  }
  .bk-wp-card {
    grid-template-columns: 1fr;
  }
  .bk-wp-visual {
    border-left: none;
    border-top: 1px solid var(--bk-border);
  }
}

@media (max-width: 600px) {
  .bk-form-row {
    grid-template-columns: 1fr;
  }
  .bk-route-nav {
    grid-template-columns: repeat(2, 1fr);
  }
  .bk-nav-actions .bk-temp-badge {
    display: none;
  }
}