/* Reach Drift Wave — pearl / sea-ink tide table theme */
:root {
  --pearl: #F5F7F9;
  --mist: #EEF1F4;
  --sheet: #FFFFFF;
  --text: #16181C;
  --sea-ink: #1B3A5A;
  --hairline: #D4DAE0;
  --sea-ink-soft: #2E5278;
  --focus: #0B5CAD;
  --rail-w: 224px;
  --font-display: "Petrona", Georgia, "Times New Roman", serif;
  --font-body: "Schibsted Grotesk", system-ui, sans-serif;
  --font-mono: "Fira Mono", ui-monospace, monospace;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1.25rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4.5rem;
  --prose: 42rem;
  --transition: 180ms ease;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--pearl);
}

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

a {
  color: var(--sea-ink);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover { color: var(--sea-ink-soft); }

a:focus-visible,
button:focus-visible,
input:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  color: var(--sea-ink);
}

h1 { font-size: clamp(2rem, 4vw, 2.75rem); margin: 0 0 var(--space-md); }
h2 { font-size: clamp(1.5rem, 2.5vw, 1.875rem); margin: var(--space-xl) 0 var(--space-md); }
h3 { font-size: 1.25rem; margin: var(--space-lg) 0 var(--space-sm); }

p { margin: 0 0 var(--space-md); max-width: var(--prose); }

ul, ol { margin: 0 0 var(--space-md); padding-left: 1.35rem; max-width: var(--prose); }

.mono {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
}

.surface-pearl { background: var(--pearl); }
.surface-mist { background: var(--mist); }
.surface-sheet { background: var(--sheet); }

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  z-index: 9999;
  padding: var(--space-sm) var(--space-md);
  background: var(--sheet);
  border: 1px solid var(--hairline);
  color: var(--sea-ink);
  font-weight: 600;
}

.skip-link:focus { top: var(--space-md); }

/* Shell: content left, rail right */
.site-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--rail-w);
  min-height: 100vh;
}

.site-main {
  min-width: 0;
  padding: var(--space-xl) clamp(1.25rem, 4vw, 3rem);
  padding-right: clamp(1rem, 2vw, 2rem);
}

/* Right rail navigation */
.right-rail {
  position: sticky;
  top: 0;
  align-self: start;
  width: var(--rail-w);
  min-height: 100vh;
  padding: var(--space-xl) var(--space-md);
  border-left: 1px solid var(--hairline);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.right-rail__wordmark {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--sea-ink);
  text-decoration: none;
  line-height: 1.3;
}

.right-rail__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.right-rail__links a {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.45rem 0;
  text-decoration: none;
  font-size: 0.9375rem;
  color: var(--text);
  border-bottom: 1px solid transparent;
}

.right-rail__links a:hover,
.right-rail__links a[aria-current="page"] {
  color: var(--sea-ink);
  border-bottom-color: var(--hairline);
}

.right-rail__num {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--sea-ink-soft);
  min-width: 1.25rem;
}

.right-rail__mark {
  font-weight: 600;
}

.right-rail__hours,
.right-rail__contact {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  line-height: 1.55;
  color: var(--sea-ink-soft);
}

@media (max-width: 1100px) {
  .site-shell {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
  }

  .right-rail {
    position: sticky;
    top: 0;
    z-index: 100;
    width: 100%;
    min-height: auto;
    flex-direction: row;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    border-left: none;
    border-bottom: 1px solid var(--hairline);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
  }

  .right-rail__links {
    flex-direction: row;
    gap: 0.25rem;
  }

  .right-rail__links a {
    white-space: nowrap;
    padding: 0.35rem 0.65rem;
    border: 1px solid var(--hairline);
    border-radius: 2px;
    background: var(--sheet);
  }

  .right-rail__hours,
  .right-rail__contact { display: none; }
}

/* Page header */
.page-intro {
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--hairline);
}

.page-intro__lede {
  font-size: 1.125rem;
  color: var(--sea-ink-soft);
  max-width: 36rem;
}

/* East plate hero */
.east-plate {
  margin: var(--space-xl) 0;
  border: 1px solid var(--hairline);
  background: var(--sheet);
  overflow: hidden;
}

.east-plate__frame {
  aspect-ratio: 21 / 9;
  overflow: hidden;
}

.east-plate__frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.east-plate__caption {
  padding: var(--space-sm) var(--space-md);
  border-top: 1px solid var(--hairline);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--sea-ink-soft);
}

.hero-photo img.hero-lift {
  transition: transform 600ms ease;
}

.hero-photo:hover img.hero-lift {
  transform: scale(1.015);
}

/* Tide table */
.tide-table-wrap {
  margin: var(--space-xl) 0;
  overflow-x: auto;
  border: 1px solid var(--hairline);
  background: var(--sheet);
}

.tide-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.tide-table caption {
  text-align: left;
  padding: var(--space-md);
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--sea-ink);
  border-bottom: 1px solid var(--hairline);
}

.tide-table th,
.tide-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--hairline);
  vertical-align: top;
}

.tide-table th {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--sea-ink-soft);
  background: var(--mist);
}

.tide-table tbody tr.is-active {
  background: var(--mist);
}

.tide-table tbody tr:last-child td { border-bottom: none; }

.tide-table .col-num {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--sea-ink-soft);
  width: 3rem;
}

/* Heading rail */
.heading-rail {
  position: relative;
  margin: var(--space-2xl) 0 var(--space-xl);
  padding-top: var(--space-lg);
}

.heading-rail__line {
  height: 1px;
  background: var(--hairline);
  position: relative;
}

.heading-rail__markers {
  display: flex;
  justify-content: space-between;
  max-width: 28rem;
  margin-top: -5px;
  padding: 0 0.25rem;
}

.heading-rail__marker {
  width: 10px;
  height: 10px;
  background: var(--sheet);
  border: 1px solid var(--sea-ink);
  opacity: 0;
  transform: scale(0.6);
  transition: opacity var(--transition), transform var(--transition);
}

.heading-rail.markers-visible .heading-rail__marker {
  opacity: 1;
  transform: scale(1);
}

.heading-rail__label {
  margin-top: var(--space-md);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--sea-ink-soft);
}

/* Sounding margin */
.sounding-margin {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
  padding: var(--space-lg);
  background: var(--sheet);
  border: 1px solid var(--hairline);
}

.sounding-margin dt {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--sea-ink);
  margin-bottom: 0.35rem;
}

.sounding-margin dd {
  margin: 0 0 var(--space-md);
  font-size: 0.9375rem;
  color: var(--text);
}

.sounding-margin--triple {
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 900px) {
  .sounding-margin--triple { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .sounding-margin,
  .sounding-margin--triple { grid-template-columns: 1fr; }
}

/* Photo grids */
.photo-duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin: var(--space-xl) 0;
}

.photo-duo figure {
  margin: 0;
  border: 1px solid var(--hairline);
  background: var(--sheet);
}

.photo-duo img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  width: 100%;
}

.photo-duo figcaption {
  padding: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--sea-ink-soft);
  border-top: 1px solid var(--hairline);
}

@media (max-width: 640px) {
  .photo-duo { grid-template-columns: 1fr; }
}

.portrait-band {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
  align-items: end;
}

.portrait-band figure {
  margin: 0;
  border: 1px solid var(--hairline);
  background: var(--sheet);
}

.portrait-band figure:first-child { margin-top: var(--space-xl); }
.portrait-band figure:last-child { margin-bottom: var(--space-xl); }

.portrait-band img {
  aspect-ratio: 3 / 4;
  object-fit: cover;
  width: 100%;
}

.portrait-band figcaption {
  padding: var(--space-sm) var(--space-md);
  font-size: 0.875rem;
  border-top: 1px solid var(--hairline);
}

@media (max-width: 640px) {
  .portrait-band { grid-template-columns: 1fr; }
  .portrait-band figure:first-child { margin-top: 0; }
}

/* FAQ accordion */
.faq-list {
  margin: var(--space-xl) 0;
  max-width: var(--prose);
}

.faq-list details {
  border: 1px solid var(--hairline);
  background: var(--sheet);
  margin-bottom: -1px;
}

.faq-list summary {
  padding: var(--space-md);
  font-weight: 600;
  color: var(--sea-ink);
  cursor: pointer;
  list-style: none;
}

.faq-list summary::-webkit-details-marker { display: none; }

.faq-list summary::before {
  content: "+";
  font-family: var(--font-mono);
  margin-right: 0.65rem;
  color: var(--sea-ink-soft);
}

.faq-list details[open] summary::before { content: "−"; }

.faq-list details[open] summary {
  border-bottom: 1px solid var(--hairline);
}

.faq-list .faq-body {
  padding: var(--space-md);
  font-size: 0.9375rem;
}

/* Map variants */
.map-section {
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--hairline);
}

.map-section__header {
  margin-bottom: var(--space-md);
}

.map-section__header h2 {
  margin-top: 0;
  font-size: 1.125rem;
}

.map-embed {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--hairline);
  background: var(--mist);
}

.map-embed iframe {
  display: block;
  width: 100%;
  border: 0;
}

.map-a .map-embed { aspect-ratio: 21 / 9; }
.map-a .map-embed iframe { height: 100%; min-height: 220px; }

.map-b .map-embed {
  aspect-ratio: 16 / 9;
  max-width: 36rem;
}

.map-b .map-embed iframe { height: 100%; min-height: 200px; }

.map-c .map-embed {
  aspect-ratio: 4 / 3;
  border-radius: 2px;
}

.map-c .map-embed iframe { height: 100%; min-height: 240px; }

.map-d .map-embed {
  aspect-ratio: 3 / 1;
  border-left: 4px solid var(--sea-ink);
}

.map-d .map-embed iframe { height: 100%; min-height: 160px; }

.map-section__note {
  margin-top: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--sea-ink-soft);
}

/* Footer */
.site-footer {
  margin-top: var(--space-2xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--hairline);
}

.site-footer__tagline {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  color: var(--sea-ink);
  margin-bottom: var(--space-md);
}

.site-footer__links {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-md);
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
}

.site-footer__links a {
  font-size: 0.875rem;
  text-decoration: none;
}

.site-footer__links a:hover { text-decoration: underline; }

.site-footer__meta {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--sea-ink-soft);
  line-height: 1.6;
}

/* Legal pages */
.legal-prose {
  max-width: var(--prose);
}

.legal-prose h2 {
  font-size: 1.25rem;
  margin-top: var(--space-xl);
}

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

/* Cookie banner — bottom-left card */
.cookie-banner {
  position: fixed;
  z-index: 9000;
  max-width: 420px;
  padding: var(--space-md);
  border: 1px solid var(--hairline);
  box-shadow: 0 8px 32px rgba(27, 58, 90, 0.12);
}

.cookie-banner--card {
  bottom: var(--space-md);
  left: var(--space-md);
  right: auto;
}

.cookie-banner[hidden] { display: none; }

.cookie-banner__text {
  font-size: 0.875rem;
  margin-bottom: var(--space-md);
  max-width: none;
}

.cookie-banner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.cookie-banner__actions button,
.cookie-panel button {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--hairline);
  background: var(--sheet);
  color: var(--sea-ink);
  cursor: pointer;
  border-radius: 2px;
}

.cookie-banner__actions button:hover,
.cookie-panel button:hover {
  background: var(--mist);
}

.cookie-panel {
  position: fixed;
  z-index: 9001;
  bottom: calc(var(--space-md) + 9rem);
  left: var(--space-md);
  width: min(420px, calc(100vw - 2rem));
  padding: var(--space-md);
  border: 1px solid var(--hairline);
  box-shadow: 0 8px 32px rgba(27, 58, 90, 0.12);
}

.cookie-panel[hidden] { display: none; }

.cookie-panel h3 {
  margin: 0 0 var(--space-md);
  font-size: 1rem;
}

.cookie-panel__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--hairline);
  font-size: 0.875rem;
}

.cookie-panel__row:last-of-type { border-bottom: none; }

.cookie-panel__save {
  margin-top: var(--space-md);
  width: 100%;
}

.cookie-categories {
  list-style: none;
  margin: 0;
  padding: 0;
}

.cookie-categories li {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--hairline);
}

.cookie-categories .cat-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--sea-ink);
}

.cookie-categories .cat-desc {
  font-size: 0.8125rem;
  margin: 0.25rem 0 0;
  color: #4A5560;
}

.toggle-btn {
  flex-shrink: 0;
  width: 44px;
  height: 24px;
  padding: 0;
  border: 1px solid var(--sea-ink);
  background: var(--sheet);
  cursor: pointer;
  position: relative;
}

.toggle-btn[aria-pressed="true"] {
  background: var(--sea-ink);
}

.toggle-btn[aria-pressed="true"]::after {
  content: "";
  position: absolute;
  top: 3px;
  right: 3px;
  width: 16px;
  height: 16px;
  background: var(--pearl);
}

.toggle-btn[aria-pressed="false"]::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  background: var(--sea-ink);
}

.toggle-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

/* 404 */
.error-block {
  padding: var(--space-2xl) 0;
  text-align: center;
}

.error-block__code {
  font-family: var(--font-mono);
  font-size: 4rem;
  color: var(--sea-ink);
  line-height: 1;
  margin-bottom: var(--space-md);
}

.error-block p { margin-left: auto; margin-right: auto; }

/* Utility */
.text-muted { color: var(--sea-ink-soft); }
.narrow { max-width: 32rem; }
.section-gap { margin: var(--space-2xl) 0; }

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

/* Prose blocks */
.prose-block {
  margin: var(--space-xl) 0;
  padding: var(--space-lg);
  background: var(--sheet);
  border: 1px solid var(--hairline);
  max-width: var(--prose);
}

.prose-block h2 {
  margin-top: 0;
  font-size: 1.375rem;
}

.prose-block h3 {
  font-size: 1.0625rem;
  margin-top: var(--space-md);
}

.prose-block p:last-child {
  margin-bottom: 0;
}

.map-section__prose {
  max-width: none;
  margin-bottom: var(--space-md);
}

.map-section__prose h2 {
  font-size: 1.125rem;
  margin-top: 0;
}

/* Inline photo */
.inline-photo {
  margin: var(--space-xl) 0;
  border: 1px solid var(--hairline);
  background: var(--sheet);
  overflow: hidden;
}

.inline-photo img {
  aspect-ratio: 3 / 2;
  object-fit: cover;
  width: 100%;
}

.inline-photo figcaption {
  padding: var(--space-sm) var(--space-md);
  font-size: 0.75rem;
}

/* Map fallback when cookies reject maps */
.map-fallback {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 160px;
  padding: var(--space-lg);
  background: var(--mist);
}

.map-fallback[hidden] {
  display: none;
}

.map-fallback-text {
  margin: 0;
  font-size: 0.9375rem;
  text-align: center;
  max-width: 28rem;
}

.map-embed iframe[hidden] {
  display: none;
}

/* Cookie banner: hidden until JS shows it for first visit */
html.js #cookie-banner[hidden] {
  display: none;
}

/* Improved small text readability */
.right-rail__num,
.right-rail__hours,
.right-rail__contact,
.photo-duo figcaption,
.map-section__note,
.site-footer__meta {
  font-size: 0.75rem;
}

.cookie-categories .cat-desc {
  color: #3D4A54;
}

@media (max-width: 640px) {
  .cookie-banner--card {
    left: var(--space-sm);
    right: var(--space-sm);
    bottom: var(--space-sm);
    max-width: none;
  }

  .cookie-panel {
    left: var(--space-sm);
    right: var(--space-sm);
    width: auto;
    bottom: calc(var(--space-sm) + 7.5rem);
  }

  .prose-block {
    padding: var(--space-md);
  }
}