:root {
  --deep: #0b4f5c;
  --teal: #127c86;
  --aqua: #e6f4f3;
  --sand: #f6efe4;
  --coral: #e8794a;
  --ink: #12303a;
  --muted: #4d6670;
  --line: #d6e6e5;
  --bg: #fbfdfc;
  --radius: 14px;
  --heading: "Fredoka", system-ui, sans-serif;
  --body: "Nunito Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 72px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.6;
}

h1, h2, h3 {
  font-family: var(--heading);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 .5em;
}
h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.2rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; }
a { color: var(--teal); }

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 16px;
}

/* Top bar */
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(251, 253, 252, .92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.topbar__inner {
  display: flex;
  align-items: center;
  gap: 16px;
  height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--deep);
  font-family: var(--heading);
  font-size: 1.4rem;
  font-weight: 600;
}
.nav {
  display: flex;
  gap: 24px;
  margin-left: auto;
}
.nav a {
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
}
.nav a:hover { color: var(--teal); }
.lang {
  border: 1.5px solid var(--deep);
  background: transparent;
  color: var(--deep);
  font: 700 .85rem var(--body);
  padding: 6px 12px;
  border-radius: 999px;
  cursor: pointer;
}
.lang:hover { background: var(--deep); color: #fff; }

/* Hero */
.hero {
  background: linear-gradient(180deg, var(--aqua), var(--bg));
  padding: 56px 0 72px;
}
.hero__inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  align-items: center;
  gap: 40px;
}
.eyebrow {
  color: var(--teal);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  font-size: .85rem;
}
.lead {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 34em;
}
.hero__art svg {
  width: 100%;
  max-width: 380px;
  display: block;
  margin: 0 auto;
}
.fish { animation: swim 6s ease-in-out infinite; transform-origin: center; }
.bubbles circle { animation: rise 4s ease-in infinite; }
.bubbles circle:nth-child(2) { animation-delay: 1.2s; }
.bubbles circle:nth-child(3) { animation-delay: 2.4s; }

@keyframes swim {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-6px, -6px); }
}
@keyframes rise {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(-24px); opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .fish, .bubbles circle { animation: none; }
}

/* Buttons */
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  transition: transform .15s, background .15s;
}
.btn:hover { transform: translateY(-1px); }
.btn svg { width: 18px; height: 18px; fill: currentColor; }
.btn--primary { background: var(--coral); color: #fff; }
.btn--primary:hover { background: #d4683b; }
.btn--ghost { border: 2px solid var(--deep); color: var(--deep); }
.btn--ghost:hover { background: var(--deep); color: #fff; }

/* Sections */
.section { padding: 72px 0; }
.section--tint { background: var(--sand); }

.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 24px;
}
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
}
.card p { color: var(--muted); margin: 0; }
.card__icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--aqua);
  display: grid;
  place-items: center;
  margin-bottom: 16px;
}
.card__icon svg { width: 32px; height: 32px; fill: var(--teal); }
.card__icon .dot { fill: #fff; }
.card__icon .line { fill: none; stroke: var(--teal); stroke-width: 3; stroke-linecap: round; }
.card__icon rect + .line, .card__icon rect ~ .line { stroke: #fff; }

.about { max-width: 720px; }
.about p { font-size: 1.1rem; }

/* Visit */
.visit {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 40px;
  align-items: start;
}
.details { margin: 0 0 24px; }
.details > div {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.details dt {
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--muted);
  font-weight: 700;
}
.details dd { margin: 4px 0 0; font-size: 1.1rem; }
.details dd a { color: var(--ink); font-weight: 700; text-decoration: none; }
.hours { border-collapse: collapse; }
.hours th { text-align: left; font-weight: 600; padding: 2px 20px 2px 0; }
.hours td { padding: 2px 0; }

.visit__map iframe {
  width: 100%;
  height: 100%;
  min-height: 380px;
  border: 0;
  border-radius: var(--radius);
  display: block;
}

/* Footer */
.footer {
  background: var(--deep);
  color: #d9eeec;
  padding: 24px 0;
  font-size: .95rem;
}
.footer__inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.footer a { color: #fff; text-decoration: none; font-weight: 700; }

/* Responsive */
@media (max-width: 900px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .nav { display: none; }
  .lang { margin-left: auto; }
  .hero { padding: 32px 0 48px; }
  .hero__inner, .visit { grid-template-columns: 1fr; }
  .hero__art { order: -1; }
  .hero__art svg { max-width: 220px; }
  .section { padding: 48px 0; }
  .visit__map iframe { min-height: 300px; }
}
@media (max-width: 480px) {
  .cards { grid-template-columns: 1fr; }
  .btn { width: 100%; justify-content: center; }
}