:root {
  --abyss: #050b14;
  --teal: #143e42;
  --brass-fill: #c9a24b;
  --brass-ink: #1a1204;
  --parchment: #efe3c6;
  --foam: #f4f7fa;
  --signal: #b3261e;
  --bg: #050b14;
  --bg-raise: #0c1826;
  --text: #efe3c6;
  --text-strong: #f4f7fa;
  --muted: #d0d7de;
  --brass: #c9a24b;
  --line: rgba(201, 162, 75, 0.42);
  --card: rgba(12, 24, 38, 0.92);
  --sea-0: #071018;
  --sea-1: #0e2c34;
  --sea-2: #145058;
  --grid: rgba(201, 162, 75, 0.08);
  --header: rgba(5, 11, 20, 0.92);
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
  --serif: "Cinzel", Palatino, "Palatino Linotype", "Times New Roman", serif;
  --sans: Inter, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "Cascadia Mono", monospace;
  --max: 1120px;
  --gutter: 16px;
  --header-h: 72px;
  color-scheme: dark;
}

:root[data-theme="daylight"] {
  --bg: #f3e7cb;
  --bg-raise: #fbf6ea;
  --text: #1c160f;
  --text-strong: #140f0a;
  --muted: #3e3426;
  --brass: #6e5216;
  --line: rgba(90, 64, 18, 0.38);
  --card: rgba(255, 250, 240, 0.94);
  --sea-0: #e7eef0;
  --sea-1: #c5d5d8;
  --sea-2: #8eafb3;
  --grid: rgba(90, 64, 18, 0.1);
  --header: rgba(243, 231, 203, 0.94);
  --shadow: 0 14px 30px rgba(48, 36, 12, 0.08);
  color-scheme: light;
}

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

html {
  scroll-behavior: smooth;
  background: var(--bg);
  color: var(--text);
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: -20% 0 auto;
  z-index: -1;
  height: 160%;
  pointer-events: none;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 56px 56px;
  transform: translate3d(0, var(--map-shift, 0px), 0);
}

img,
svg {
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
}

a:hover {
  color: var(--brass);
}

:focus {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 3px;
}

::selection {
  background: var(--brass-fill);
  color: var(--brass-ink);
}

.skip {
  position: absolute;
  left: var(--gutter);
  top: -48px;
  z-index: 80;
  padding: 10px 14px;
  background: var(--brass-fill);
  color: var(--brass-ink);
  text-decoration: none;
  font-weight: 600;
}

.skip:focus {
  top: 12px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.flag-stripe {
  height: 4px;
  background: linear-gradient(90deg, var(--signal) 0 88px, var(--brass-fill) 88px);
}

.container {
  width: min(var(--max), calc(100% - (var(--gutter) * 2)));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  min-height: var(--header-h);
  padding: 8px var(--gutter);
  background: var(--header);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  text-decoration: none;
  color: var(--text-strong);
}

.brand img {
  width: 44px;
  height: 44px;
  flex: none;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.brand-text strong {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 0.92rem;
  letter-spacing: 0.16em;
}

.brand-text span {
  font-family: var(--sans);
  font-size: 0.62rem;
  letter-spacing: 0.28em;
  color: var(--brass);
}

.site-nav {
  display: none;
  flex: 1 0 100%;
  flex-direction: column;
  gap: 2px;
  padding-bottom: 8px;
}

.site-nav.is-open {
  display: flex;
}

.site-nav a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 0 4px;
  text-decoration: none;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.icon-btn,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text-strong);
  font-family: var(--sans);
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
  cursor: pointer;
}

.icon-btn {
  min-width: 44px;
}

.btn-brass {
  background: var(--brass-fill);
  border-color: var(--brass-fill);
  color: var(--brass-ink);
}

.btn-brass:hover,
.btn-brass:focus-visible {
  filter: brightness(1.06);
  color: var(--brass-ink);
}

.btn-ghost:hover {
  border-color: var(--brass);
  color: var(--text-strong);
}

.header-cta {
  display: none;
}

.nav-toggle {
  position: relative;
}

.nav-toggle span.bars,
.nav-toggle span.bars::before,
.nav-toggle span.bars::after {
  display: block;
  width: 18px;
  height: 1.5px;
  background: currentColor;
  position: relative;
}

.nav-toggle span.bars::before,
.nav-toggle span.bars::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle span.bars::before {
  top: -6px;
}

.nav-toggle span.bars::after {
  top: 6px;
}

.hero {
  display: grid;
  gap: 28px;
  padding: 36px 0 12px;
}

.kicker {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brass);
}

h1,
h2,
h3 {
  font-family: var(--serif);
  font-weight: 500;
  color: var(--text-strong);
  letter-spacing: 0.02em;
}

h1 {
  margin: 0 0 14px;
  font-size: clamp(2.15rem, 8vw, 4.4rem);
  line-height: 1.02;
}

h2 {
  margin: 0 0 12px;
  font-size: clamp(1.7rem, 4vw, 2.5rem);
  line-height: 1.15;
}

h3 {
  margin: 0 0 8px;
  font-size: 1.25rem;
  line-height: 1.25;
}

.lede {
  margin: 0 0 22px;
  max-width: 42rem;
  font-size: 1.05rem;
  color: var(--text);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}

.disclaimer {
  margin: 0;
  max-width: 46rem;
  padding-left: 12px;
  border-left: 2px solid var(--signal);
  color: var(--muted);
  font-size: 0.92rem;
}

.sea {
  position: relative;
  min-height: 300px;
  overflow: hidden;
  border: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 80% 10%, var(--sea-1), transparent 50%),
    linear-gradient(180deg, var(--sea-0), var(--bg) 92%);
  box-shadow: var(--shadow);
}

.sea-svg {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 300px;
}

.ship-bob {
  animation: bob 7.5s ease-in-out infinite;
}

.wave-a {
  animation: drift 32s linear infinite;
}

.wave-b {
  animation: drift 46s linear infinite reverse;
}

.wave-c {
  animation: drift 28s linear infinite;
}

.route {
  stroke-dasharray: 980;
  stroke-dashoffset: 980;
  animation: draw 7s ease forwards 0.3s;
}

.compass {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 88px;
  height: 88px;
  color: var(--brass);
}

.compass text {
  fill: currentColor;
  font-family: var(--mono);
  font-size: 9px;
}

.ticker {
  display: flex;
  align-items: stretch;
  gap: 12px;
  margin: 22px auto 8px;
  border-block: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg-raise) 80%, transparent);
}

.badge {
  display: inline-flex;
  align-items: center;
  align-self: center;
  flex: none;
  margin-left: 0;
  padding: 4px 8px;
  background: var(--signal);
  color: var(--foam);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.ticker .badge {
  margin: 8px 0 8px 0;
}

.ticker-window {
  overflow: hidden;
  min-width: 0;
  flex: 1;
  mask-image: linear-gradient(90deg, transparent, #000 16px, #000 calc(100% - 16px), transparent);
}

.ticker-track {
  display: flex;
  width: max-content;
  animation: marquee 38s linear infinite;
}

.ticker-track span {
  padding: 12px 0;
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  white-space: nowrap;
  color: var(--text);
}

.ticker:hover .ticker-track,
.ticker:focus-within .ticker-track {
  animation-play-state: paused;
}

section {
  padding: 56px 0;
  scroll-margin-top: calc(var(--header-h) + 12px);
}

.section-intro {
  max-width: 46rem;
  margin: 0 0 22px;
  color: var(--text);
}

.chart-table {
  padding: 16px;
  border: 1px solid var(--line);
  background-color: color-mix(in srgb, var(--bg) 72%, transparent);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 24px 24px;
}

.fleet-grid,
.charter {
  display: grid;
  gap: 16px;
}

.card,
.article,
.panel {
  position: relative;
  padding: 18px 18px 18px 20px;
  border: 1px solid var(--line);
  background: var(--card);
}

.card::before,
.article::before,
.panel::before {
  content: "";
  position: absolute;
  top: 7px;
  left: 7px;
  width: 12px;
  height: 12px;
  border-top: 1px solid var(--brass);
  border-left: 1px solid var(--brass);
}

.card-icon {
  width: 72px;
  height: 40px;
  margin-bottom: 10px;
  color: var(--brass);
}

.card p,
.article p,
.panel p {
  margin: 0;
  color: var(--text);
}

.card .role,
.article .article-no {
  margin: 0 0 6px;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brass);
}

.chart-wrap {
  margin: 8px 0 18px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg-raise) 88%, transparent);
  overflow: hidden;
}

.chart-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.chart-head .kicker {
  margin: 0;
}

.panel-action {
  margin-top: 18px;
}

.sea-chart {
  display: block;
  width: 100%;
  height: auto;
}

.sea-chart .route {
  stroke-dasharray: 1200;
  stroke-dashoffset: 1200;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

caption {
  padding: 10px 12px;
  text-align: left;
  color: var(--muted);
  font-size: 0.85rem;
}

th,
td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

th {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brass);
}

.num {
  text-align: right;
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}

.quarters .panel {
  padding: 28px 22px;
}

.quarters .panel p + p {
  margin-top: 12px;
}

.bottle {
  display: grid;
  gap: 14px;
  max-width: 40rem;
}

.field {
  display: grid;
  gap: 6px;
}

.field label {
  font-size: 0.92rem;
  color: var(--text-strong);
}

input,
textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--line);
  background: var(--bg-raise);
  color: var(--text-strong);
  font: inherit;
  font-size: 1rem;
}

textarea {
  min-height: 150px;
  resize: vertical;
}

input:user-invalid,
textarea:user-invalid {
  border-color: var(--signal);
}

.field-check {
  grid-template-columns: 22px 1fr;
  align-items: start;
  gap: 12px;
}

.field-check input {
  width: 20px;
  height: 20px;
  margin-top: 4px;
  accent-color: var(--brass-fill);
}

.field-check label {
  font-size: 0.92rem;
  line-height: 1.45;
}

.hp {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-status {
  max-width: 40rem;
  margin: 0 0 16px;
  padding: 12px 14px;
  border: 1px solid var(--brass);
  background: var(--card);
}

.turnstile-slot {
  min-height: 0;
}

.site-footer {
  padding: 28px 0 36px;
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: grid;
  gap: 18px;
}

.footer-brand {
  margin: 0 0 8px;
  font-family: var(--serif);
  letter-spacing: 0.14em;
  color: var(--text-strong);
}

.legal-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
}

.legal-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

.copyright {
  width: min(var(--max), calc(100% - (var(--gutter) * 2)));
  margin: 18px auto 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
}

.page-hero {
  padding: 36px 0 8px;
}

.prose {
  max-width: 70ch;
  padding-bottom: 24px;
}

.prose h2 {
  margin-top: 1.8rem;
  font-size: 1.35rem;
}

.prose p,
.prose li {
  color: var(--text);
}

.prose ul {
  margin: 0 0 1rem;
  padding-left: 1.2rem;
}

.prose li + li {
  margin-top: 0.35rem;
}

.result-main {
  padding: 48px 0 72px;
}

.result-main p {
  max-width: 42rem;
}

@media (min-width: 900px) {
  .site-nav {
    display: flex;
    flex: 1;
    flex-direction: row;
    justify-content: flex-end;
    gap: 4px;
    padding: 0;
  }

  .site-nav a {
    padding: 0 8px;
    font-size: 0.86rem;
  }

  .nav-toggle {
    display: none;
  }

  .header-cta {
    display: inline-flex;
  }

  .hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
    align-items: center;
    gap: 40px;
    padding: 56px 0 20px;
  }

  .fleet-grid,
  .charter {
    grid-template-columns: 1fr 1fr;
  }

  .footer-grid {
    grid-template-columns: 1.4fr 0.6fr;
    align-items: start;
  }

  .legal-nav {
    justify-content: flex-end;
  }
}

@media (max-width: 400px) {
  .brand-text strong {
    font-size: 0.72rem;
    letter-spacing: 0.08em;
  }

  .brand-text span {
    font-size: 0.55rem;
    letter-spacing: 0.16em;
  }
}

@keyframes bob {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(8px);
  }
}

@keyframes drift {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-240px);
  }
}

@keyframes draw {
  to {
    stroke-dashoffset: 0;
  }
}

@keyframes marquee {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .route {
    stroke-dashoffset: 0;
  }

  body::before {
    transform: none;
  }
}

@media print {
  .flag-stripe,
  .sea,
  .ticker,
  .header-tools,
  .hero-actions {
    display: none !important;
  }

  body::before {
    display: none;
  }

  .site-header {
    position: static;
  }

  a {
    text-decoration: underline;
  }
}