:root {
  --night: #172b35;
  --night-soft: #244451;
  --ink: #1d3037;
  --muted: #596c72;
  --paper: #f6f3ea;
  --white: #fff;
  --blue: #54b7d0;
  --blue-dark: #147c97;
  --green: #719c4d;
  --green-dark: #365f39;
  --lime: #bfe96f;
  --line: rgba(29, 48, 55, .16);
  --radius: 28px;
  --shadow: 0 24px 70px rgba(23, 43, 53, .14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: clip; }
body {
  margin: 0;
  overflow-x: clip;
  color: var(--ink);
  background: var(--paper);
  font: 400 1rem/1.68 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-underline-offset: .2em; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 4px; border-radius: 4px; }
h1, h2, h3 { margin-top: 0; font-family: Georgia, "Times New Roman", serif; }
h1 { max-width: 11ch; margin-bottom: .35em; font-size: clamp(3.4rem, 8vw, 7.8rem); line-height: .92; letter-spacing: -.055em; }
h2 { margin-bottom: .55em; font-size: clamp(2.15rem, 4vw, 4rem); line-height: 1.04; letter-spacing: -.04em; }
h3 { margin-bottom: .25rem; font-size: 1.25rem; }
p { margin-top: 0; }

.skip-link {
  position: fixed;
  top: -6rem;
  left: 1rem;
  z-index: 100;
  padding: .8rem 1rem;
  color: var(--night);
  background: var(--white);
  font-weight: 800;
}
.skip-link:focus { top: 1rem; }
.section { width: min(1180px, calc(100% - 2.5rem)); margin-inline: auto; }

.site-header {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: .7rem max(1.25rem, calc((100% - 1180px) / 2));
  background: var(--white);
  border-bottom: 1px solid var(--line);
}
.brand img { width: 190px; }
.site-header nav { display: flex; flex-wrap: wrap; gap: .65rem 2rem; }
.site-header nav a { color: var(--night); font-size: .9rem; font-weight: 750; text-decoration: none; }
.site-header nav a:hover { color: var(--blue-dark); }

.hero {
  position: relative;
  min-height: min(800px, calc(100vh - 88px));
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  color: var(--white);
  background: var(--night);
}
.hero-image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 58%; }
.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(12, 30, 38, .92) 0%, rgba(12, 30, 38, .67) 48%, rgba(12, 30, 38, .08) 82%),
    linear-gradient(0deg, rgba(12, 30, 38, .58), transparent 55%);
}
.hero-content {
  position: relative;
  z-index: 1;
  width: min(1180px, calc(100% - 2.5rem));
  margin-inline: auto;
  padding: clamp(5rem, 12vw, 9rem) 0;
}
.eyebrow, .kicker {
  color: var(--blue-dark);
  font-size: .78rem;
  font-weight: 850;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.hero .eyebrow { color: #aeeaff; }
.hero-lead { max-width: 58ch; margin-bottom: 2rem; color: rgba(255, 255, 255, .9); font-size: clamp(1.05rem, 2vw, 1.3rem); }
.photo-credit { position: absolute; right: 1.2rem; bottom: 1rem; z-index: 2; margin: 0; color: rgba(255,255,255,.82); font-size: .74rem; }
.button { display: inline-flex; align-items: center; gap: .65rem; padding: .85rem 1.2rem; border-radius: 99px; font-weight: 800; text-decoration: none; transition: transform .18s ease, background .18s ease; }
.button:hover { transform: translateY(-2px); }
.button-light { color: var(--night); background: var(--white); }
.button-dark { color: var(--white); background: var(--night); }
.button-dark:hover { background: var(--blue-dark); }
.button-green { color: var(--white); background: var(--green-dark); }
.button-green:hover { background: #244e2d; }

.intro { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(2rem, 8vw, 8rem); padding-block: clamp(5rem, 10vw, 9rem); }
.intro-copy { color: var(--muted); font-size: 1.08rem; }
.intro-copy p:last-child { margin-bottom: 0; }

.tour-grid { display: grid; gap: 2rem; padding-bottom: clamp(5rem, 10vw, 9rem); }
.tour-card {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  min-height: 540px;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.tour-card:nth-child(even) { grid-template-columns: .95fr 1.05fr; }
.tour-card:nth-child(even) > :first-child { order: 2; }
.tour-image, .island-visual { position: relative; min-width: 0; min-height: 360px; overflow: hidden; }
.tour-image img { width: 100%; height: 100%; object-fit: cover; }
.tour-number {
  position: absolute;
  top: 1.4rem;
  left: 1.4rem;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  color: var(--white);
  background: rgba(23, 43, 53, .86);
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 50%;
  font-weight: 850;
  backdrop-filter: blur(8px);
}
.tour-card:nth-child(even) .tour-number { left: auto; right: 1.4rem; }
.tour-content { display: flex; flex-direction: column; justify-content: center; padding: clamp(2rem, 6vw, 5rem); }
.tour-content h2 { font-size: clamp(2.15rem, 4vw, 3.8rem); }
.tour-content > p:not(.tour-meta) { color: var(--muted); }
.tour-meta { margin-bottom: 1rem; color: var(--blue-dark); font-size: .75rem; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
.tour-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 1rem 1.3rem; margin-top: 1rem; }
.source-link { color: var(--muted); font-size: .84rem; font-weight: 750; }
.source-link:hover { color: var(--blue-dark); }
.island-visual {
  background: var(--night);
}
.island-visual img { width: 100%; height: 100%; object-fit: cover; object-position: center; }

.how { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(2rem, 8vw, 8rem); padding-bottom: clamp(5rem, 10vw, 9rem); }
.how ol { margin: 0; padding: 0; list-style: none; }
.how li { display: grid; grid-template-columns: 56px 1fr; gap: 1rem; padding: 1.45rem 0; border-top: 1px solid var(--line); }
.how li:last-child { border-bottom: 1px solid var(--line); }
.how li > span { color: var(--blue-dark); font-weight: 850; }
.how li p { margin-bottom: 0; color: var(--muted); }

.closing { overflow: hidden; color: var(--white); background: var(--night); }
.closing-inner { position: relative; padding-block: clamp(5rem, 10vw, 9rem); }
.closing-inner::after { content: "360°"; position: absolute; right: -2rem; top: 50%; transform: translateY(-50%); color: rgba(255,255,255,.035); font: 700 clamp(10rem, 30vw, 25rem)/1 Georgia, serif; }
.closing .kicker { color: #aeeaff; }
.closing h2 { position: relative; z-index: 1; max-width: 15ch; }
.closing-links { position: relative; z-index: 1; display: flex; flex-wrap: wrap; gap: .8rem; }
.closing-links a { padding: .75rem 1rem; border: 1px solid rgba(255,255,255,.35); border-radius: 99px; text-decoration: none; font-weight: 750; }
.closing-links a:hover { color: var(--night); background: var(--white); }

footer {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem 3rem;
  padding: 2.5rem max(1.25rem, calc((100% - 1180px) / 2));
  color: var(--muted);
  background: var(--white);
}
.footer-brand img { width: 145px; }
footer p, footer small { margin: 0; }
footer nav { display: flex; flex-wrap: wrap; gap: 1rem; }
footer nav a { color: var(--ink); font-weight: 750; }
footer small { grid-column: 1 / -1; padding-top: 1rem; border-top: 1px solid var(--line); }

@media (max-width: 900px) {
  .site-header { align-items: flex-start; flex-direction: column; }
  .intro, .how { grid-template-columns: 1fr; }
  .tour-card, .tour-card:nth-child(even) { grid-template-columns: 1fr; }
  .tour-card:nth-child(even) > :first-child { order: 0; }
  .tour-card:nth-child(even) .tour-number { left: 1.4rem; right: auto; }
  footer { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  h1 { font-size: clamp(3.1rem, 17vw, 4.8rem); }
  .site-header nav { gap: .4rem 1rem; }
  .hero { min-height: 700px; }
  .hero-shade { background: linear-gradient(0deg, rgba(12,30,38,.94) 8%, rgba(12,30,38,.42) 100%); }
  .hero-image { object-position: 62% center; }
  .photo-credit { display: none; }
  .section, .hero-content { width: min(100% - 2rem, 1180px); }
  .tour-image, .island-visual { min-height: 280px; }
  .tour-content { padding: 2rem 1.35rem 2.3rem; }
  footer { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}