@font-face {
  font-family: "Source Sans 3 Variable";
  src: url("/fonts/source-sans-3/source-sans-3-latin-wght-normal.woff2") format("woff2-variations");
  font-weight: 200 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Source Sans 3 Variable";
  src: url("/fonts/source-sans-3/source-sans-3-latin-wght-italic.woff2") format("woff2-variations");
  font-weight: 200 900;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: "Jost Variable";
  src: url("/fonts/jost/jost-latin-wght-normal.woff2") format("woff2-variations");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Jost Variable";
  src: url("/fonts/jost/jost-latin-wght-italic.woff2") format("woff2-variations");
  font-weight: 100 900;
  font-style: italic;
  font-display: swap;
}
:root {
  --colour-brand: #39a4d4;
  --colour-white: #ffffff;

  --space-xs: 0.5rem;
  --space-s: 1rem;
  --space-m: 1.5rem;
  --space-l: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: clamp(4rem, 3rem + 4vw, 7rem);

  --container: 76rem;
  --gutter: clamp(1rem, 0.5rem + 2.5vw, 3rem);
  --measure: 60ch;
  --radius: 0.5rem;
  --radius-l: 1.25rem;

  --step--1: clamp(0.85rem, 0.82rem + 0.2vw, 0.95rem);
  --step-0: clamp(1.05rem, 1rem + 0.3vw, 1.2rem);
  --step-1: clamp(1.25rem, 1.15rem + 0.5vw, 1.5rem);
  --step-2: clamp(1.6rem, 1.4rem + 1vw, 2.2rem);
  --step-3: clamp(2.2rem, 1.6rem + 2.6vw, 3.6rem);
  --step-4: clamp(2.8rem, 1.6rem + 5.5vw, 6.5rem);

  --shadow: 0 1px 2px rgb(0 0 0 / 0.06), 0 12px 32px rgb(0 0 0 / 0.1);

  --colour-bg: #ffffff;
  --colour-bg-alt: #e9f3f8;
  --colour-text: #0b2233;
  --colour-text-muted: #4a5f6e;
  --colour-link: #1a7cab;
  --colour-line: #cfdfe8;
  --colour-dark: #0b2233;
  --colour-dark-text: #ffffff;
  --colour-dark-muted: #9cc3da;
  --colour-accent: #1a7cab;
  --colour-accent-hover: #166a93;
  --colour-accent-text: #ffffff;
  --colour-badge: #39a4d4;
  --colour-badge-text: #0b2233;
  --colour-card: #ffffff;

  --font-display: "Jost Variable", Futura, "Century Gothic", sans-serif;
  --font-body: "Source Sans 3 Variable", system-ui, sans-serif;
  --display-weight: 500;
  --display-stretch: 100%;
  --display-tracking: -0.015em;
  --display-leading: 1.02;
  --display-case: none;
  --display-hero: var(--step-4);
}
*,
*::before,
*::after {
  box-sizing: border-box;
}

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

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

body {
  margin: 0;
  background: var(--colour-bg);
  color: var(--colour-text);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.6;
  font-optical-sizing: auto;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: var(--display-weight);
  font-stretch: var(--display-stretch);
  letter-spacing: var(--display-tracking);
  line-height: var(--display-leading);
  text-transform: var(--display-case);
  font-optical-sizing: auto;
  margin: 0 0 0.5em;
  text-wrap: balance;
}

h1 {
  font-size: var(--step-4);
}

h2 {
  font-size: var(--step-3);
}

h3 {
  font-size: var(--step-1);
}

p,
ul,
ol,
dl,
blockquote {
  margin: 0 0 var(--space-s);
}

a {
  color: var(--colour-link);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.15em;
}

a:hover {
  text-decoration-thickness: 0.15em;
}

:focus-visible {
  outline: 3px solid var(--colour-brand);
  outline-offset: 3px;
}

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

img {
  height: auto;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.9em;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--gutter);
  z-index: 100;
  padding: var(--space-xs) var(--space-s);
  background: var(--colour-dark);
  color: var(--colour-dark-text);
  border-radius: 0 0 var(--radius) var(--radius);
}

.skip-link:focus {
  top: 0;
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.prose {
  max-width: var(--measure);
}

.prose--centre {
  margin-inline: auto;
  text-align: center;
}

.image-missing {
  width: 100%;
  aspect-ratio: 3 / 2;
  background: linear-gradient(135deg, var(--colour-brand), var(--colour-dark));
}
/* Buttons */

.button {
  display: inline-block;
  padding: 1em 1.8em;
  border: 1px solid transparent;
  border-radius: 0.2rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--step--1);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 150ms ease, color 150ms ease, border-color 150ms ease, transform 150ms ease;
}

.button--primary {
  background: var(--colour-accent);
  border-color: var(--colour-accent);
  color: var(--colour-accent-text);
}

.button--primary:hover {
  background: var(--colour-accent-hover);
  border-color: var(--colour-accent-hover);
  transform: translateY(-1px);
}

.button--secondary {
  background: transparent;
  border-color: currentColor;
  color: inherit;
}

.button--secondary:hover {
  background: var(--colour-text);
  color: var(--colour-bg);
}

.button--large {
  padding: 1.15em 2.2em;
}

/* Eyebrow labels */

.eyebrow {
  display: block;
  margin-bottom: var(--space-s);
  font-family: var(--font-body);
  font-size: var(--step--1);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--colour-brand);
}

.hero .eyebrow {
  color: inherit;
  opacity: 0.9;
}

/* Header: dark band by default, transparent over the hero on the home page */

.site-header {
  background: var(--colour-dark);
  color: var(--colour-dark-text);
}

.site-header--overlay {
  position: absolute;
  inset: 0 0 auto;
  z-index: 2;
  background: transparent;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-s);
  padding-block: var(--space-m);
}

.site-header__logo svg {
  height: clamp(2.25rem, 1.75rem + 2vw, 3.25rem);
  width: auto;
}

.site-header--overlay .site-header__logo svg {
  filter: drop-shadow(0 2px 6px rgb(0 0 0 / 0.45));
}

/* Hero */

.hero {
  position: relative;
  display: grid;
  align-items: end;
  min-height: min(100svh, 64rem);
  color: var(--colour-white);
  isolation: isolate;
}

.hero__media,
.hero__media picture,
.hero__media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero__media img {
  object-fit: cover;
  object-position: 35% 50%;
}

.hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom, rgb(0 0 0 / 0.5) 0%, rgb(0 0 0 / 0) 30%),
    linear-gradient(to top, rgb(0 0 0 / 0.7) 0%, rgb(0 0 0 / 0.3) 40%, rgb(0 0 0 / 0) 70%);
}

.hero__content {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-l);
  align-items: end;
  padding-block: var(--space-xl) var(--space-xl);
}

@media (min-width: 60em) {
  .hero__content {
    grid-template-columns: 1fr auto;
    gap: var(--space-xl);
  }

  .hero--end .hero__content {
    grid-template-columns: 1fr;
    justify-items: end;
    text-align: right;
  }

  .hero--end .hero__title,
  .hero--end .hero__subline {
    margin-inline-start: auto;
  }
}

.hero__title {
  max-width: 16ch;
  margin-bottom: var(--space-m);
  font-size: var(--display-hero);
  color: inherit;
  text-shadow: 0 2px 16px rgb(0 0 0 / 0.35);
}

.hero__subline {
  max-width: 40ch;
  margin-bottom: var(--space-m);
  font-size: var(--step-1);
  text-shadow: 0 1px 8px rgb(0 0 0 / 0.4);
}

.hero__aside {
  max-width: 18ch;
  margin: 0;
  padding-top: var(--space-s);
  border-top: 1px solid rgb(255 255 255 / 0.5);
  font-size: var(--step--1);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1.5;
}

/* Ticker */

.ticker {
  position: relative;
  overflow: hidden;
  padding-block: var(--space-s);
  background: var(--colour-dark);
  color: var(--colour-dark-text);
  border-top: 1px solid rgb(255 255 255 / 0.1);
}

.ticker__track {
  display: flex;
  width: max-content;
  animation: ticker 90s linear infinite;
}

.ticker__list {
  display: flex;
  gap: var(--space-l);
  padding: 0 var(--space-m) 0 0;
  margin: 0;
  list-style: none;
  white-space: nowrap;
}

.ticker__item {
  font-size: var(--step--1);
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--colour-dark-muted);
}

.ticker__item::after {
  content: "·";
  margin-left: var(--space-l);
  color: var(--colour-brand);
}

.ticker:hover .ticker__track,
.ticker:has(.ticker__toggle-input:checked) .ticker__track {
  animation-play-state: paused;
}

.ticker__toggle {
  position: absolute;
  inset: 0 0 0 auto;
  display: grid;
  place-items: center;
  width: 3.5rem;
  background: linear-gradient(to right, transparent, var(--colour-dark) 40%);
  color: var(--colour-dark-text);
  cursor: pointer;
}

.ticker__toggle::before {
  content: "";
  width: 0.75rem;
  height: 0.85rem;
  border-inline: 0.25rem solid currentColor;
}

.ticker__toggle:has(:checked)::before {
  width: 0;
  height: 0;
  border-block: 0.45rem solid transparent;
  border-inline: 0.75rem solid currentColor;
  border-inline-end-width: 0;
}

.ticker__toggle-input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}

.ticker__toggle:has(:focus-visible) {
  outline: 3px solid var(--colour-brand);
  outline-offset: -3px;
}

@keyframes ticker {
  to {
    transform: translateX(-50%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .ticker__track {
    animation: none;
    flex-wrap: wrap;
    width: auto;
  }

  .ticker__list[aria-hidden="true"],
  .ticker__toggle {
    display: none;
  }

  .ticker__list {
    flex-wrap: wrap;
    row-gap: var(--space-xs);
    padding-inline: var(--gutter);
  }
}

/* Sections */

.section {
  padding-block: var(--space-2xl);
}

.section--alt {
  background: var(--colour-bg-alt);
}

.section--dark {
  background: var(--colour-dark);
  color: var(--colour-dark-text);
}

.section--dark a {
  color: inherit;
}

.section--centre {
  min-height: 60svh;
  display: grid;
  align-items: center;
}

/* Numbered feature list */

.feature-list {
  display: grid;
  padding: 0;
  margin: 0;
  list-style: none;
  border-top: 1px solid var(--colour-line);
}

.feature-list__item {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: var(--space-m);
  row-gap: var(--space-xs);
  padding-block: var(--space-m);
  border-bottom: 1px solid var(--colour-line);
}

@media (min-width: 48em) {
  .feature-list__item {
    grid-template-columns: 5rem 1fr 1fr;
    align-items: baseline;
    column-gap: var(--space-xl);
    padding-block: var(--space-l);
  }
}

.feature-list__index {
  font-size: var(--step--1);
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--colour-brand);
  font-variant-numeric: tabular-nums;
}

.feature-list__title {
  margin: 0;
  font-size: var(--step-2);
}

.feature-list__text {
  grid-column: 2;
  max-width: 38ch;
  margin: 0;
  color: var(--colour-text-muted);
}

@media (min-width: 48em) {
  .feature-list__text {
    grid-column: 3;
  }
}

/* Seasons diptych */

.diptych {
  display: grid;
}

@media (min-width: 48em) {
  .diptych {
    grid-template-columns: 1fr 1fr;
  }
}

.diptych__panel {
  position: relative;
  display: grid;
  align-items: end;
  min-height: min(70svh, 44rem);
  color: var(--colour-white);
  isolation: isolate;
  overflow: hidden;
}

.diptych__media,
.diptych__media picture,
.diptych__media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.diptych__media img {
  object-fit: cover;
  transition: transform 600ms ease;
}

.diptych__panel:hover .diptych__media img {
  transform: scale(1.03);
}

@media (prefers-reduced-motion: reduce) {
  .diptych__panel:hover .diptych__media img {
    transform: none;
  }
}

.diptych__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgb(0 0 0 / 0.75) 0%, rgb(0 0 0 / 0.2) 50%, rgb(0 0 0 / 0) 100%);
}

.diptych__body {
  position: relative;
  z-index: 1;
  padding: var(--space-xl) var(--gutter) var(--space-l);
}

.diptych__body .badge {
  margin-bottom: var(--space-s);
}

.diptych__title {
  font-size: var(--step-3);
  margin-bottom: var(--space-xs);
  text-shadow: 0 2px 12px rgb(0 0 0 / 0.3);
}

.diptych__text {
  max-width: 40ch;
  margin: 0;
  text-shadow: 0 1px 8px rgb(0 0 0 / 0.4);
}

.badge {
  display: inline-block;
  padding: 0.3em 0.9em;
  border-radius: 999px;
  background: var(--colour-badge);
  color: var(--colour-badge-text);
  font-size: var(--step--1);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Boat: image bleeds to the edge, text card overlaps it */

.boat {
  padding-top: 0;
}

.boat__layout {
  display: grid;
}

@media (min-width: 60em) {
  .boat__layout {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
}

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

@media (min-width: 60em) {
  .boat__media img {
    aspect-ratio: 4 / 5;
  }
}

.boat__card {
  position: relative;
  margin: calc(var(--space-xl) * -1) var(--gutter) 0;
  padding: var(--space-l);
  border-radius: var(--radius-l);
  background: var(--colour-card);
  box-shadow: var(--shadow);
}

@media (min-width: 60em) {
  .boat__card {
    margin: 0 var(--gutter) 0 calc(var(--space-2xl) * -1);
    padding: var(--space-2xl) var(--space-xl);
  }
}

.boat__title {
  font-size: var(--step-3);
  margin-bottom: var(--space-m);
}

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

.spec-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin: var(--space-xl) 0 0;
  border-top: 1px solid var(--colour-line);
}

@media (min-width: 48em) {
  .spec-strip {
    grid-template-columns: repeat(4, 1fr);
  }
}

.spec-strip__item {
  margin: 0;
  padding: var(--space-m) var(--space-m) var(--space-m) 0;
  border-bottom: 1px solid var(--colour-line);
}

.spec-strip__label {
  font-size: var(--step--1);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--colour-text-muted);
}

.spec-strip__value {
  margin: 0;
  font-family: var(--font-display);
  font-weight: var(--display-weight);
  font-stretch: var(--display-stretch);
  text-transform: var(--display-case);
  font-size: var(--step-1);
  line-height: 1.1;
}

/* Manifesto with a chart route behind it */

.manifesto {
  position: relative;
  overflow: hidden;
  padding-block: var(--space-2xl) calc(var(--space-2xl) + var(--space-xl));
}

.route {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  color: var(--colour-brand);
  opacity: 0.45;
  pointer-events: none;
}

.route__line {
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-dasharray: 2 12;
  stroke-linecap: round;
}

.route__mark {
  fill: currentColor;
}

.route__mark--end {
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

.manifesto__inner {
  position: relative;
  max-width: 56rem;
}

.manifesto__quote {
  margin: 0 0 var(--space-l);
  padding: 0;
}

.manifesto__quote p {
  margin: 0 0 var(--space-s);
  font-family: var(--font-display);
  font-weight: var(--display-weight);
  font-stretch: var(--display-stretch);
  text-transform: var(--display-case);
  font-size: var(--display-hero);
  line-height: var(--display-leading);
  letter-spacing: var(--display-tracking);
  text-wrap: balance;
}

.manifesto__attribution {
  color: var(--colour-dark-muted);
  font-size: var(--step--1);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.manifesto__attribution::before {
  content: "— ";
}

.manifesto__text {
  max-width: var(--measure);
  margin: 0;
  font-size: var(--step-1);
}

/* Enquiry card overlapping the manifesto */

.section--enquire {
  padding-top: 0;
}

.enquiry {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-l);
  margin-top: calc(var(--space-xl) * -1);
  padding: var(--space-l);
  border-radius: var(--radius-l);
  background: var(--colour-card);
  box-shadow: var(--shadow);
}

@media (min-width: 56em) {
  .enquiry {
    grid-template-columns: 2fr 3fr;
    gap: var(--space-xl);
    padding: var(--space-xl);
    margin-top: calc(var(--space-2xl) * -1);
  }
}

.enquiry__title {
  font-size: var(--step-3);
  margin-bottom: var(--space-s);
}

.enquiry__fallback {
  color: var(--colour-text-muted);
}

.enquiry-form {
  display: grid;
  gap: var(--space-m);
}

@media (min-width: 40em) {
  .enquiry-form {
    grid-template-columns: 1fr 1fr;
  }

  .enquiry-form__field--full,
  .enquiry-form__actions {
    grid-column: 1 / -1;
  }
}

.enquiry-form__field {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.enquiry-form__field--check {
  flex-direction: row;
  align-items: center;
  gap: var(--space-s);
}

.enquiry-form__label {
  font-weight: 600;
}

.enquiry-form__group {
  display: grid;
  gap: var(--space-m);
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

@media (min-width: 40em) {
  .enquiry-form__group {
    grid-column: 1 / -1;
    grid-template-columns: 1fr 1fr;
  }
}

.enquiry-form__legend {
  width: 100%;
  margin-bottom: var(--space-m);
  padding: var(--space-m) 0 0;
  border-top: 1px solid var(--colour-line);
  color: var(--colour-text-muted);
  font-size: var(--step--1);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.enquiry-form:has(#interest option:checked:not([value="guest"])) .enquiry-form__group--trip {
  display: none;
}

.enquiry-form__input {
  width: 100%;
  padding: 0.7em 0.9em;
  border: 1px solid var(--colour-line);
  border-radius: var(--radius);
  background: var(--colour-bg);
  color: inherit;
  font: inherit;
  line-height: 1.4;
}

select.enquiry-form__input {
  appearance: none;
  padding-right: 2.6em;
}

.enquiry-form__select {
  position: relative;
}

.enquiry-form__select::after {
  content: "";
  position: absolute;
  right: 0.9em;
  bottom: 0;
  width: 1em;
  height: calc(1.4em + 1.4em + 2px);
  background: currentColor;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='none' stroke='%23000' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round' d='M4 6l4 4 4-4'/%3E%3C/svg%3E") center / 1em no-repeat;
  pointer-events: none;
}

.enquiry-form__input:focus {
  border-color: var(--colour-brand);
}

.enquiry-form__checkbox {
  width: 1.25rem;
  height: 1.25rem;
  margin: 0;
  accent-color: var(--colour-accent);
}

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

/* Footer */

.site-footer {
  padding-block: var(--space-xl);
  background: var(--colour-dark);
  color: var(--colour-dark-text);
  font-size: var(--step--1);
}

.site-footer a {
  color: inherit;
}

.site-footer__seasons {
  font-family: var(--font-display);
  font-weight: var(--display-weight);
  font-stretch: var(--display-stretch);
  text-transform: var(--display-case);
  font-size: var(--step-1);
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-s) var(--space-m);
  padding: 0;
  margin: 0 0 var(--space-m);
  list-style: none;
}

.site-footer__legal {
  margin: 0;
  color: var(--colour-dark-muted);
}