:root {
  color-scheme: light;
  --ink: #101a1f;
  --soft-ink: #31434a;
  --muted: #6e7a7b;
  --night: #061b25;
  --deep: #083344;
  --teal: #007f86;
  --aqua: #65d0c7;
  --gold: #cba15c;
  --coral: #df765f;
  --mangrove: #466b55;
  --paper: #f8f4ec;
  --sand: #eee2cf;
  --white: #ffffff;
  --line: rgba(16, 26, 31, 0.13);
  --glass: rgba(255, 255, 255, 0.13);
  --shadow: 0 28px 70px rgba(6, 27, 37, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 18% 18%, rgba(101, 208, 199, 0.16), transparent 28rem),
    linear-gradient(180deg, #fbf7ef 0%, #f4ead9 48%, #fbf7ef 100%);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 50;
  opacity: 0.32;
  background-image: linear-gradient(rgba(6, 27, 37, 0.035) 1px, transparent 1px);
  background-size: 100% 7px;
  mix-blend-mode: multiply;
}

img {
  display: block;
  width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin: 14px clamp(14px, 3vw, 42px) 0;
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  color: var(--white);
  background: rgba(6, 27, 37, 0.72);
  box-shadow: 0 20px 45px rgba(6, 27, 37, 0.2);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 238px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  color: var(--night);
  background: linear-gradient(135deg, var(--gold), #f4d998);
  font-weight: 900;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
}

.brand strong,
.brand small {
  display: block;
}

.brand small,
.site-footer span {
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.78rem;
}

nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 4px;
}

nav a {
  padding: 10px 14px;
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.9rem;
  font-weight: 750;
}

nav a:hover,
nav a:focus-visible {
  color: var(--night);
  background: var(--gold);
  outline: none;
}

.hero {
  position: relative;
  min-height: 94vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  margin-top: -76px;
  background: var(--night);
  isolation: isolate;
}

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

.hero img {
  object-fit: cover;
  transform: scale(1.03);
  filter: saturate(1.05) contrast(1.04);
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(90deg, rgba(6, 27, 37, 0.94), rgba(6, 27, 37, 0.62) 46%, rgba(6, 27, 37, 0.12)),
    linear-gradient(0deg, rgba(6, 27, 37, 0.9), transparent 54%),
    radial-gradient(circle at 72% 20%, rgba(223, 118, 95, 0.25), transparent 22rem);
}

.hero-overlay {
  position: relative;
  z-index: 1;
  width: min(920px, calc(100% - 36px));
  margin: 0 0 clamp(52px, 9vw, 118px) clamp(18px, 6vw, 92px);
  color: var(--white);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: 0.75rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.17em;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 850px;
  margin-bottom: 22px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3.7rem, 8.4vw, 8.8rem);
  line-height: 0.87;
  font-weight: 500;
  letter-spacing: 0;
}

h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.35rem, 5vw, 5rem);
  line-height: 0.96;
  font-weight: 500;
  letter-spacing: 0;
  margin-bottom: 16px;
}

h3 {
  margin-bottom: 12px;
  font-size: clamp(1.35rem, 2vw, 1.9rem);
  line-height: 1;
}

.hero-overlay p {
  max-width: 630px;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(1.04rem, 1.65vw, 1.28rem);
  line-height: 1.7;
}

.hero-actions,
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button,
button {
  cursor: pointer;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 900;
}

.button.primary {
  color: var(--night);
  background: linear-gradient(135deg, var(--gold), #f0d18c);
  box-shadow: 0 18px 36px rgba(203, 161, 92, 0.26);
}

.button.ghost {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.42);
  background: rgba(255, 255, 255, 0.1);
}

.button.full {
  width: 100%;
}

.hero-panel {
  position: absolute;
  right: clamp(18px, 5vw, 72px);
  bottom: clamp(22px, 6vw, 70px);
  z-index: 2;
  width: min(360px, calc(100% - 36px));
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: 8px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(18px);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.22);
}

.hero-panel span,
.vessel-grid span,
.contact-card span {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.76rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero-panel strong {
  display: block;
  margin: 8px 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2.2rem;
  font-weight: 500;
}

.hero-panel p {
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.55;
}

.intro-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: rgba(255, 255, 255, 0.22);
  border-block: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--white);
  background-color: var(--night);
}

.intro-strip div {
  min-height: 210px;
  padding: clamp(24px, 4vw, 42px);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.02)),
    var(--night);
}

.intro-strip span,
.intro-strip strong,
.intro-strip p {
  display: block;
}

.intro-strip span {
  margin-bottom: 52px;
  color: var(--gold);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2.8rem;
}

.intro-strip strong {
  font-size: 1.08rem;
}

.intro-strip p {
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.68);
  line-height: 1.55;
}

.section,
.captain-section,
.contact-section,
.vessel-section {
  padding: clamp(66px, 9vw, 124px) clamp(18px, 5vw, 76px);
}

.section-heading {
  max-width: 920px;
  margin-bottom: 34px;
}

.section-heading p:not(.eyebrow),
.booking-copy p,
.captain-section p,
.contact-section p {
  color: var(--muted);
  line-height: 1.75;
}

.trip-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(14px, 2vw, 22px);
}

.trip-card {
  min-height: 620px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.trip-card button {
  position: relative;
  display: grid;
  grid-template-rows: 340px 1fr;
  width: 100%;
  height: 100%;
  padding: 0;
  color: inherit;
  text-align: left;
  border: 0;
  background: transparent;
}

.trip-card img {
  height: 340px;
  object-fit: cover;
  transition: transform 450ms ease, filter 450ms ease;
}

.trip-card:hover img,
.trip-card button:focus-visible img {
  transform: scale(1.06);
  filter: saturate(1.16) contrast(1.04);
}

.trip-body {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 18px;
  padding: 26px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.9), #fff),
    var(--white);
}

.trip-index {
  position: absolute;
  right: 22px;
  top: -44px;
  display: grid;
  place-items: center;
  width: 84px;
  height: 84px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 50%;
  color: var(--white);
  background: rgba(6, 27, 37, 0.72);
  backdrop-filter: blur(12px);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2rem;
}

.trip-body p:not(.eyebrow) {
  color: var(--muted);
  line-height: 1.65;
}

.trip-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 11px;
  border-radius: 999px;
  color: var(--deep);
  background: #e4f2ef;
  font-size: 0.8rem;
  font-weight: 900;
}

.price {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--deep);
  font-size: 1.18rem;
  font-weight: 950;
}

.price span {
  color: var(--coral);
  font-size: 0.86rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.booking-band {
  padding: clamp(66px, 9vw, 124px) clamp(18px, 5vw, 76px);
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(6, 27, 37, 0.98), rgba(8, 51, 68, 0.92)),
    var(--night);
}

.booking-copy {
  max-width: 980px;
  margin-bottom: 32px;
}

.booking-copy h2,
.booking-copy p {
  color: var(--white);
}

.booking-copy p {
  color: rgba(255, 255, 255, 0.72);
}

.selected-trip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 24px;
}

.summary-item {
  min-height: 108px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.17);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.summary-item span {
  display: block;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.72rem;
  font-weight: 900;
  text-transform: uppercase;
}

.summary-item strong {
  display: block;
  margin-top: 8px;
  line-height: 1.2;
}

.booking-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  gap: 18px;
}

.calendar-panel,
.booking-panel {
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 8px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 34px 80px rgba(0, 0, 0, 0.22);
}

.calendar-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px;
  border-bottom: 1px solid var(--line);
}

.calendar-toolbar h3 {
  margin: 0;
  color: var(--deep);
  font-size: 1.22rem;
}

.icon-button {
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--deep);
  background: var(--paper);
  font-size: 1.1rem;
  font-weight: 950;
}

.weekday-row,
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
}

.weekday-row {
  padding: 12px 14px 0;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 950;
  text-transform: uppercase;
}

.weekday-row span {
  padding: 8px;
}

.calendar-grid {
  gap: 6px;
  padding: 14px;
}

.date-button {
  aspect-ratio: 1 / 0.78;
  min-height: 60px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: #fbfaf7;
  text-align: left;
  padding: 10px;
}

.date-button:disabled {
  cursor: not-allowed;
  color: #a6afb2;
  background: #efebe3;
}

.date-button.is-selected {
  color: var(--white);
  background: linear-gradient(135deg, var(--teal), var(--deep));
  border-color: var(--teal);
}

.date-button small {
  display: block;
  margin-top: 8px;
  color: currentColor;
  opacity: 0.74;
}

.booking-panel {
  padding: 22px;
}

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

label {
  color: #28424a;
  font-size: 0.78rem;
  font-weight: 950;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: #fbfaf7;
  padding: 14px 12px;
}

textarea {
  resize: vertical;
}

.time-slots {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 16px;
}

.slot-button {
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--deep);
  background: #e4f2ef;
  font-weight: 950;
}

.slot-button.is-selected {
  color: var(--white);
  background: var(--night);
  border-color: var(--night);
}

.empty-slots {
  grid-column: 1 / -1;
  color: var(--muted);
  line-height: 1.5;
}

.microcopy,
.help {
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.5;
}

.captain-section {
  display: grid;
  grid-template-columns: minmax(300px, 0.84fr) minmax(0, 1.16fr);
  gap: clamp(28px, 5vw, 76px);
  align-items: center;
  background: var(--white);
}

.captain-photo {
  overflow: hidden;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.captain-photo img {
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.check-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 28px 0 0;
  list-style: none;
}

.check-list li {
  padding: 14px 16px;
  border-left: 4px solid var(--gold);
  background: var(--paper);
  border-radius: 0 8px 8px 0;
}

.vessel-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(28px, 5vw, 76px);
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(6, 27, 37, 0.95), rgba(70, 107, 85, 0.88)),
    var(--night);
}

.vessel-grid {
  display: grid;
  gap: 12px;
}

.vessel-grid div {
  display: grid;
  gap: 10px;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.vessel-grid strong {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.35rem, 2.3vw, 2.1rem);
  font-weight: 500;
  line-height: 1.05;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
  gap: clamp(28px, 5vw, 76px);
  align-items: start;
  background: var(--paper);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.contact-card {
  display: grid;
  gap: 8px;
  min-height: 146px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 16px 38px rgba(6, 27, 37, 0.08);
}

.contact-card span {
  color: var(--muted);
}

.contact-card strong {
  align-self: end;
  color: var(--deep);
  line-height: 1.35;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 32px clamp(18px, 5vw, 76px);
  color: var(--white);
  background: #05151d;
}

.site-footer a {
  color: var(--gold);
  font-weight: 950;
}

@media (max-width: 1040px) {
  .trip-grid,
  .booking-layout,
  .captain-section,
  .contact-section,
  .vessel-section {
    grid-template-columns: 1fr;
  }

  .selected-trip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-panel {
    position: relative;
    right: auto;
    bottom: auto;
    margin: 0 18px 28px;
  }
}

@media (max-width: 760px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    border-radius: 24px;
  }

  nav {
    justify-content: flex-start;
  }

  .hero {
    min-height: 86vh;
    margin-top: -130px;
    padding-top: 128px;
  }

  .hero-overlay {
    width: calc(100% - 32px);
    margin-inline: 16px;
  }

  .intro-strip,
  .selected-trip,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .intro-strip span {
    margin-bottom: 24px;
  }

  .calendar-grid {
    gap: 4px;
    padding: 10px;
  }

  .date-button {
    min-height: 48px;
    padding: 7px;
    font-size: 0.88rem;
  }

  .date-button small {
    display: none;
  }

  .time-slots {
    grid-template-columns: 1fr;
  }

  .site-footer {
    flex-direction: column;
  }
}