:root {
  color-scheme: light;
  --bg: #f7fcfd;
  --surface: #ffffff;
  --text: #102f3b;
  --muted: #496873;
  --accent: #00a8b5;
  --accent-dark: #006b83;
  --border: #c9e5ea;
  --error: #c62828;
  --max: 72rem;
  --radius: 0.75rem;
  --shadow: 0 0.5rem 1.5rem rgb(0 0 0 / 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
}

a {
  color: var(--accent-dark);
  text-underline-offset: 0.2em;
}

a:hover,
a:focus-visible {
  color: var(--accent);
}

:focus-visible {
  outline: 0.2rem solid var(--accent);
  outline-offset: 0.2rem;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -5rem;
  z-index: 1000;
  padding: 0.75rem 1rem;
  color: #ffffff;
  background: var(--accent-dark);
  border-radius: 0.25rem;
}

.skip-link:focus {
  top: 1rem;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgb(247 252 253 / 0.96);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(0.5rem);
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.5rem;
}

.brand {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 800;
  text-decoration: none;
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  margin-left: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  cursor: pointer;
}

.nav-toggle-icon,
.nav-toggle-icon::before,
.nav-toggle-icon::after {
  display: block;
  width: 1.25rem;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
}

.nav-toggle-icon {
  position: relative;
}

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

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

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

.nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 150;
  background: rgb(16 47 59 / 0.5);
}

.nav-overlay[hidden] {
  display: none;
}

.nav-list {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 0;
  width: min(80vw, 300px);
  height: 100vh;
  margin: 0;
  padding: 5rem 1.5rem 1.5rem;
  list-style: none;
  box-shadow: var(--shadow);
  transform: translateX(-100%);
  transition: transform 0.25s ease;
}

.nav-list.is-open {
  transform: translateX(0);
}

.nav-list a {
  display: block;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  font-weight: 700;
  text-decoration: none;
}

.hero {
  padding: 4rem 0 3rem;
}

.hero-grid,
.two-columns,
.cards {
  display: grid;
  gap: 2rem;
}

.hero-grid {
  align-items: center;
}

h1,
h2,
h3 {
  line-height: 1.2;
  text-wrap: balance;
}

h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.2rem, 6vw, 4.6rem);
}

h2 {
  margin-top: 0;
  font-size: clamp(1.8rem, 4vw, 3rem);
}

h3 {
  font-size: 1.4rem;
}

.lead {
  max-width: 42rem;
  font-size: 1.15rem;
  color: var(--muted);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.button {
  display: inline-block;
  padding: 0.8rem 1.1rem;
  font-weight: 800;
  text-decoration: none;
  border: 2px solid var(--accent-dark);
  border-radius: 999px;
}

.button-primary {
  color: #ffffff;
  background: var(--accent-dark);
}

.button-primary:hover,
.button-primary:focus-visible {
  color: #ffffff;
  background: var(--accent);
  border-color: var(--accent);
}

.section {
  padding: 4rem 0;
}

.section-alt {
  background: #e8f8fb;
}

.eyebrow {
  margin-bottom: 0.5rem;
  color: var(--accent-dark);
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.feature-list,
.details-list {
  padding-left: 1.2rem;
}

.cards {
  margin-top: 2rem;
}

.card {
  padding: 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.card img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.card .button {
  margin-top: 0.5rem;
}

.price {
  margin: 0;
  font-size: 2rem;
  font-weight: 900;
  color: var(--accent-dark);
}

.booking-form {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

.form-grid {
  display: grid;
  gap: 1rem;
}

label {
  display: block;
  margin-bottom: 0.35rem;
  font-weight: 800;
}

input,
select,
textarea,
button {
  width: 100%;
  font: inherit;
}

input,
select,
textarea {
  padding: 0.8rem;
  color: var(--text);
  background: #ffffff;
  border: 1px solid #6f929e;
  border-radius: 0.4rem;
}

textarea {
  min-height: 8rem;
  resize: vertical;
}

.field-hint {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.field-error {
  margin: 0.35rem 0 0;
  color: var(--error);
  font-size: 0.85rem;
  font-weight: 700;
}

.field-error:empty {
  display: none;
}

.input-invalid {
  border-color: var(--error);
  outline-color: var(--error);
}

.checkbox {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.7rem;
  align-items: start;
}

.checkbox input {
  width: auto;
  margin-top: 0.35rem;
}

.submit-button {
  width: auto;
  padding: 0.85rem 1.2rem;
  color: #ffffff;
  font-weight: 800;
  cursor: pointer;
  background: var(--accent-dark);
  border: 0;
  border-radius: 999px;
}

.submit-button:hover,
.submit-button:focus-visible {
  background: var(--accent);
}

.notice {
  padding: 1rem;
  color: #173b48;
  background: #edf9fb;
  border-left: 0.3rem solid var(--accent);
}

.back-link {
  display: inline-block;
  margin-bottom: 1rem;
  font-weight: 700;
}

.gallery {
  margin-top: 2rem;
}

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

.gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin-top: 0.75rem;
  padding: 0;
  list-style: none;
}

.gallery-thumb {
  display: block;
  width: 100%;
  padding: 0;
  border: 2px solid transparent;
  border-radius: var(--radius);
  background: none;
  cursor: pointer;
}

.gallery-thumb img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: calc(var(--radius) - 2px);
}

.gallery-thumb.is-active {
  border-color: var(--accent);
}

.site-footer {
  padding: 2rem 0;
  color: #ffffff;
  background: #063f52;
}

.footer-grid {
  display: grid;
  gap: 1.5rem;
}

.site-footer a {
  color: #ffffff;
}

.footer-links {
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 48rem) {
  .nav-toggle,
  .nav-overlay {
    display: none;
  }

  .nav-list {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.75rem 1rem;
    width: auto;
    height: auto;
    padding: 0;
    box-shadow: none;
    transform: none;
    transition: none;
  }

  .nav-list a {
    padding: 0;
    border-bottom: none;
  }

  .hero-grid,
  .two-columns {
    grid-template-columns: 1fr 1fr;
  }

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

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

  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

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

.section-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  flex: 0 0 2rem;
  font-size: 1.05rem;
  line-height: 1;
  color: #006f91;
}

.pricing-heading {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: end;
  margin-bottom: 2rem;
}

.pricing-heading h2 {
  margin-bottom: 0.45rem;
}

.pricing-intro {
  margin: 0;
  max-width: none;
  width: 100%;
}

.pricing-heading .pricing-intro {
  margin-top: 0;
}

.pricing-panel {
  display: grid;
  grid-template-columns: minmax(17rem, 0.8fr) minmax(0, 1.2fr);
  gap: 0;
  overflow: hidden;
  border-radius: 1rem;
  background: #ffffff;
  box-shadow: 0 0.75rem 2rem rgb(0 70 95 / 0.1);
}

.pricing-main {
  padding: 2rem;
  color: #ffffff;
  background: linear-gradient(145deg, #007fa3, #00a6c8);
}

.pricing-label {
  margin: 0 0 0.2rem;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.pricing-main .price {
  margin: 0.1rem 0 0.5rem;
  color: #ffffff;
}

.pricing-main .price small {
  display: block;
  margin-top: 0.15rem;
  font-size: 1rem;
  font-weight: 600;
}

.pricing-scale {
  margin: 1.5rem 0 0;
}

.pricing-scale div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem 0;
  border-top: 1px solid rgb(255 255 255 / 0.35);
}

.pricing-scale dt,
.pricing-scale dd {
  margin: 0;
}

.pricing-scale dd {
  font-weight: 800;
  text-align: right;
}

.pricing-scale dd small {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.8rem;
  font-weight: 600;
  opacity: 0.85;
}

.conditions {
  padding: 1rem 2rem;
}

.condition-row {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 0.85rem;
  padding: 1.25rem 0;
}

.condition-row + .condition-row {
  border-top: 1px solid rgb(0 91 122 / 0.16);
}

.condition-row h3 {
  margin: 0 0 0.25rem;
}

.condition-row p {
  margin: 0;
}

@media (max-width: 47.5rem) {
  .pricing-panel {
    grid-template-columns: 1fr;
  }

  .pricing-main,
  .conditions {
    padding: 1.5rem;
  }
}