:root {
  --sea: #1b6f72;
  --sea-deep: #0e3d45;
  --foam: #c5e4dc;
  --sand: #efe4cf;
  --sand-deep: #d8c7a6;
  --ink: #12263a;
  --navy: #0b1c2e;
  --paper: #f7f2e7;
  --line: rgba(18, 38, 58, 0.14);
  --focus: #1b6f72;
  --sans: "IBM Plex Sans", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", "Consolas", monospace;
  --header-h: 76px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(rgba(18, 38, 58, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18, 38, 58, 0.055) 1px, transparent 1px),
    var(--paper);
  background-size: 44px 44px, 44px 44px, auto;
  background-attachment: fixed;
  font: 400 17px/1.55 var(--sans);
}

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

a {
  color: var(--sea-deep);
}

button,
input,
select,
textarea {
  font: inherit;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -48px;
  z-index: 30;
  padding: 8px 12px;
  background: var(--navy);
  color: var(--paper);
}

.skip-link:focus {
  top: 12px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 18px;
  align-items: center;
  min-height: var(--header-h);
  padding: 10px 28px 0;
  background: color-mix(in srgb, var(--sand) 88%, white);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
  text-decoration: none;
  color: inherit;
}

.coord-mark {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border: 1px solid var(--sea);
  background: var(--sea-deep);
  color: var(--foam);
  line-height: 1;
}

.coord-mark b,
.coord-mark small {
  font-family: var(--mono);
}

.coord-mark b {
  font-size: 16px;
  font-weight: 600;
}

.coord-mark small {
  font-size: 10px;
  letter-spacing: 0.08em;
}

.brand-copy {
  display: grid;
}

.brand-copy strong {
  font-size: 18px;
  letter-spacing: 0.08em;
}

.brand-copy small {
  color: color-mix(in srgb, var(--ink) 68%, transparent);
  font-family: var(--mono);
  font-size: 11px;
}

.desktop-nav {
  display: flex;
  justify-content: center;
  gap: 6px 14px;
  flex-wrap: wrap;
  font-size: 15px;
}

.desktop-nav a {
  padding: 6px 2px;
  color: inherit;
  text-decoration: none;
  border-bottom: 2px solid transparent;
}

.desktop-nav a.active,
.desktop-nav a:hover {
  border-color: var(--sea);
}

.header-actions {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-self: end;
}

.lang-switch {
  display: flex;
  border: 1px solid var(--ink);
}

.lang-btn {
  min-width: 42px;
  padding: 7px 10px;
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
}

.lang-btn.active {
  background: var(--navy);
  color: var(--sand);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--ink);
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
}

.mobile-menu {
  grid-column: 1 / -1;
  display: grid;
  gap: 4px;
  padding: 8px 0 16px;
}

.mobile-menu[hidden] {
  display: none;
}

.mobile-menu a {
  padding: 10px 4px;
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.wave-rule {
  grid-column: 1 / -1;
  height: 16px;
  margin: 0 -28px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 16' preserveAspectRatio='none'%3E%3Cpath d='M0 10 C15 2 30 2 45 10 C60 18 75 18 90 10 C105 2 112 2 120 8' fill='none' stroke='%231b6f72' stroke-width='1.4'/%3E%3Cpath d='M0 13 C18 7 36 7 54 13 C72 19 90 19 120 11' fill='none' stroke='%230e3d45' stroke-width='0.8' opacity='0.55'/%3E%3C/svg%3E");
  background-repeat: repeat-x;
  background-size: 120px 16px;
}

.wave-rule.compact {
  margin: 10px 0 0;
  height: 12px;
  background-size: 90px 12px;
}

main {
  overflow-x: clip;
}

.section,
.hero {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 72px 0;
}

.hero {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 40px;
  align-items: start;
  position: relative;
  padding-top: 88px;
}

.chart-edge {
  position: absolute;
  inset: 28px 0 auto;
  display: flex;
  justify-content: space-between;
  font: 500 11px/1 var(--mono);
  letter-spacing: 0.12em;
  color: color-mix(in srgb, var(--ink) 48%, transparent);
}

.slip-kicker {
  margin: 0 0 10px;
  color: var(--sea-deep);
  font: 500 12px/1.4 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0 0 12px;
  line-height: 1.2;
  font-weight: 600;
}

h1 {
  font-size: clamp(32px, 4.6vw, 52px);
}

h2 {
  font-size: clamp(26px, 3vw, 36px);
}

h3 {
  font-size: 20px;
}

.hero-lead,
.section p,
.section li {
  color: color-mix(in srgb, var(--ink) 88%, transparent);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  margin: 28px 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid var(--navy);
  background: var(--navy);
  color: var(--sand);
  text-decoration: none;
  cursor: pointer;
}

.button.primary:hover,
.button.primary:focus-visible {
  background: var(--sea-deep);
  border-color: var(--sea-deep);
}

.mail-link {
  font-family: var(--mono);
  font-size: 15px;
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 0;
}

.hero-facts div,
.slip-card dl div {
  padding-top: 8px;
  border-top: 1px solid var(--line);
}

.hero-facts dt,
.slip-card dt {
  font: 500 11px/1.3 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--ink) 58%, transparent);
}

.hero-facts dd,
.slip-card dd {
  margin: 4px 0 0;
  font-weight: 600;
}

.harbour-slip {
  position: relative;
}

.slip-sheet {
  padding: 22px 22px 18px;
  background:
    linear-gradient(rgba(18, 38, 58, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18, 38, 58, 0.06) 1px, transparent 1px),
    var(--sand);
  background-size: 22px 22px, 22px 22px, auto;
  border: 1px solid var(--ink);
  box-shadow: 12px 12px 0 var(--sea-deep);
}

.slip-head,
.slip-coords,
.output-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
  font-family: var(--mono);
}

.slip-head span,
.output-head span {
  letter-spacing: 0.12em;
  font-size: 12px;
}

.slip-coords {
  margin: 8px 0 16px;
  font-size: 12px;
  color: var(--sea-deep);
}

.berth-index {
  margin: 0;
  padding: 0;
  list-style: none;
}

.berth-index li {
  display: grid;
  grid-template-columns: 52px 52px 1fr;
  gap: 10px;
  align-items: center;
  padding: 8px 0;
  border-top: 1px dashed var(--line);
  font-size: 14px;
}

.berth-index b,
.berth-tag b,
.berth-no {
  font-family: var(--mono);
}

.berth-index span {
  color: var(--sea-deep);
  font-family: var(--mono);
}

.berth-index i {
  font-style: normal;
}

.slip-stamp {
  margin: 12px 0 0;
  font: 600 12px/1.3 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sea-deep);
}

.scene-note {
  margin: 14px 0 0;
  font-size: 13px;
  color: color-mix(in srgb, var(--ink) 62%, transparent);
}

.scope {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px 28px;
  border-top: 1px solid var(--line);
}

.berth-no {
  width: 64px;
  height: 40px;
  display: grid;
  place-items: center;
  background: var(--sea-deep);
  color: var(--foam);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.scope-chips {
  grid-column: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.scope-chips li,
.choice-grid label,
.docs-grid article,
.limit-grid article,
.field-grid article,
.lot-grid article,
.case-grid article,
.people-grid article {
  background: color-mix(in srgb, var(--sand) 70%, white);
  border: 1px solid var(--line);
}

.scope-chips li {
  padding: 8px 12px;
  font-size: 14px;
}

.section-head {
  display: grid;
  grid-template-columns: auto 1fr minmax(220px, 0.7fr);
  gap: 18px 28px;
  margin-bottom: 32px;
  align-items: start;
}

.section-head.compact {
  grid-template-columns: auto 1fr;
}

.section-head p:last-child {
  margin: 0;
}

.berth-grid,
.field-grid,
.limit-grid,
.docs-grid,
.case-grid,
.people-grid,
.lot-grid {
  display: grid;
  gap: 16px;
}

.berth-grid {
  grid-template-columns: repeat(5, 1fr);
}

.berth-card,
.slip-card,
.note-card,
.field-grid article,
.limit-grid article,
.docs-grid article,
.lot-grid article,
.case-grid article,
.people-grid article {
  padding: 18px;
}

.berth-card {
  display: grid;
  align-content: start;
  gap: 10px;
  min-height: 240px;
  background: color-mix(in srgb, var(--sand) 55%, white);
  border: 1px solid var(--ink);
}

.primary-berth {
  background: var(--sea-deep);
  color: var(--paper);
}

.primary-berth p,
.primary-berth a {
  color: var(--foam);
}

.berth-tag {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 13px;
}

.berth-card small {
  font: 500 11px/1 var(--mono);
  letter-spacing: 0.12em;
}

.berth-card a {
  margin-top: auto;
  font-size: 14px;
}

.split {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 28px;
  align-items: start;
}

.plain-list {
  margin: 18px 0 0;
  padding: 0 0 0 18px;
}

.plain-list li + li {
  margin-top: 8px;
}

.slip-card {
  background: var(--sand);
  border: 1px solid var(--ink);
}

.slip-card > span,
.people-grid span,
.case-grid b,
.lot-grid b,
.field-grid b,
.process-line b {
  font-family: var(--mono);
  color: var(--sea-deep);
  letter-spacing: 0.08em;
}

.slip-card dl {
  margin: 16px 0 0;
}

.note-card {
  background: var(--foam);
  border: 1px solid var(--sea);
}

.note-card.caution {
  background: color-mix(in srgb, var(--sand) 80%, white);
  border-style: dashed;
}

.lot-grid,
.field-grid,
.docs-grid,
.limit-grid,
.case-grid {
  grid-template-columns: repeat(2, 1fr);
}

.field-grid,
.limit-grid,
.docs-grid {
  grid-template-columns: repeat(4, 1fr);
}

.process-line {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.process-line li {
  padding: 18px 16px;
  border-top: 3px solid var(--sea);
  background: color-mix(in srgb, var(--sand) 45%, white);
}

.process-line b {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  margin-bottom: 12px;
  border: 1px solid var(--sea);
}

.builder-layout,
.contact {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 28px;
}

.builder-form,
.contact-form,
.builder-output,
.registry-sheet {
  padding: 22px;
  background: color-mix(in srgb, var(--sand) 50%, white);
  border: 1px solid var(--ink);
}

fieldset {
  margin: 0 0 18px;
  padding: 0;
  border: 0;
}

legend {
  margin-bottom: 10px;
}

legend b,
.field > span b {
  margin-right: 8px;
  font-family: var(--mono);
  color: var(--sea-deep);
}

.choice-grid {
  display: grid;
  gap: 8px;
}

.choice-grid label {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 10px 12px;
  cursor: pointer;
}

.field {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

input,
select,
textarea,
pre {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--ink);
  background: var(--paper);
  color: inherit;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus,
.lang-btn:focus-visible,
.button:focus-visible,
.menu-toggle:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.builder-output {
  background:
    linear-gradient(rgba(18, 38, 58, 0.05) 1px, transparent 1px),
    var(--sand);
  background-size: 22px 22px, auto;
}

.builder-output pre {
  min-height: 220px;
  margin: 14px 0;
  white-space: pre-wrap;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.5;
}

.output-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.output-actions button,
.output-actions a {
  min-height: 42px;
  padding: 0 14px;
  border: 1px solid var(--ink);
  background: transparent;
  color: inherit;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}

.output-actions a.disabled {
  opacity: 0.45;
  pointer-events: none;
}

.output-actions button:disabled {
  opacity: 0.45;
}

.people-grid {
  grid-template-columns: repeat(4, 1fr);
}

.people-grid b {
  font-family: var(--mono);
  font-size: 28px;
}

.registry-sheet,
.people-grid {
  margin-top: 28px;
}

.section .split + .split {
  margin-top: 40px;
}

.note-card > span {
  font-family: var(--mono);
  color: var(--sea-deep);
  letter-spacing: 0.08em;
}

.registry-sheet {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: start;
}

.registry-sheet dl {
  display: grid;
  gap: 12px;
  margin: 0;
}

.registry-sheet div {
  display: grid;
  grid-template-columns: minmax(160px, 220px) 1fr;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.registry-sheet dt {
  font: 500 12px/1.4 var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.registry-sheet dd {
  margin: 0;
}

.registry-stamp {
  display: grid;
  place-items: center;
  width: 180px;
  height: 180px;
  border: 2px solid var(--sea);
  border-radius: 50%;
  text-align: center;
  transform: rotate(-8deg);
  font-family: var(--mono);
  color: var(--sea-deep);
}

.registry-stamp span {
  font-size: 11px;
  letter-spacing: 0.16em;
}

.registry-stamp b {
  font-size: 20px;
}

.faq-list {
  display: grid;
  gap: 10px;
}

details {
  padding: 14px 16px;
  background: color-mix(in srgb, var(--sand) 40%, white);
  border: 1px solid var(--line);
}

summary {
  cursor: pointer;
  font-weight: 600;
}

details p {
  margin: 10px 0 0;
}

.contact-email {
  display: inline-block;
  margin: 8px 0 16px;
  font: 600 22px/1.2 var(--mono);
}

.contact-copy address {
  font-style: normal;
  font-size: 15px;
}

.contact-form {
  display: grid;
  gap: 14px;
}

.contact-form label {
  display: grid;
  gap: 6px;
}

.consent {
  grid-template-columns: auto 1fr;
  align-items: start;
}

.form-status {
  min-height: 1.4em;
  margin: 0;
  font-size: 14px;
}

footer {
  margin-top: 20px;
  background: var(--navy);
  color: var(--sand);
}

footer .wave-rule {
  margin: 0;
  filter: brightness(1.6);
}

.footer-row {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 28px 0 36px;
}

footer a {
  color: var(--foam);
}

.footer-row div {
  display: grid;
  gap: 4px;
}

body.menu-open {
  overflow: hidden;
}

@media (max-width: 1080px) {
  .berth-grid,
  .field-grid,
  .docs-grid,
  .limit-grid,
  .people-grid,
  .process-line {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero,
  .split,
  .builder-layout,
  .contact,
  .section-head,
  .registry-sheet,
  .footer-row {
    grid-template-columns: 1fr;
  }

  .hero-facts {
    grid-template-columns: repeat(2, 1fr);
  }

  .scope {
    grid-template-columns: 1fr;
  }

  .scope-chips {
    grid-column: 1;
  }
}

@media (max-width: 760px) {
  .site-header {
    grid-template-columns: 1fr auto;
    padding: 8px 16px 0;
  }

  .desktop-nav {
    display: none;
  }

  .menu-toggle {
    display: inline-block;
  }

  .wave-rule {
    margin-left: -16px;
    margin-right: -16px;
  }

  .section,
  .hero,
  .footer-row {
    width: min(1120px, calc(100% - 28px));
    padding-top: 52px;
    padding-bottom: 52px;
  }

  .berth-grid,
  .field-grid,
  .docs-grid,
  .limit-grid,
  .lot-grid,
  .case-grid,
  .people-grid,
  .process-line {
    grid-template-columns: 1fr;
  }

  .slip-sheet {
    box-shadow: 8px 8px 0 var(--sea-deep);
  }

  .registry-stamp {
    width: 140px;
    height: 140px;
  }
}