:root {
  --ink: #16202a;
  --paper: #fbfaf7;
  --sea: #0d5c73;
  --sea-light: #e4f1f4;
  --accent: #c1622a;
  --line: #d8d2c4;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #eceff1;
    --paper: #10161b;
    --sea: #6fc3dc;
    --sea-light: #16262c;
    --accent: #e08a53;
    --line: #2a333a;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.55;
}

.wrap {
  max-width: 920px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.site-header {
  border-bottom: 1px solid var(--line);
  padding: 1rem 0;
}

.site-header .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.brand {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--sea);
  text-decoration: none;
}

.site-header nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.site-header nav a {
  color: var(--ink);
  text-decoration: none;
  font-size: 0.95rem;
}

.site-header nav a:hover {
  color: var(--sea);
}

main {
  padding: 2.5rem 1.25rem 3.5rem;
}

h1 {
  color: var(--sea);
  margin-top: 0;
}

.card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1.25rem 1.5rem;
  margin: 1.25rem 0;
  background: var(--sea-light);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
}

th, td {
  text-align: left;
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--line);
}

.placeholder {
  border: 1px dashed var(--accent);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  background: transparent;
  color: var(--accent);
  font-size: 0.9rem;
}

form.preorder label {
  display: block;
  margin: 0.75rem 0 0.25rem;
  font-weight: 600;
}

form.preorder input,
form.preorder textarea {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--paper);
  color: var(--ink);
  font: inherit;
}

form.preorder button {
  margin-top: 1rem;
  padding: 0.6rem 1.4rem;
  background: var(--sea);
  color: white;
  border: none;
  border-radius: 4px;
  font-size: 1rem;
  cursor: pointer;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.25rem 0;
  font-size: 0.85rem;
  opacity: 0.75;
}