:root {
  --ink: #09161e;
  --panel: #102230;
  --teal: #1a5f7a;
  --teal-light: #3498c0;
  --amber: #f5a623;
  --off-white: #f0f5f8;
  --silver: #7a9daf;
  --border: rgba(26, 95, 122, 0.22);
  --ff-serif: 'Cormorant Garamond', Georgia, serif;
  --ff-sans: 'Instrument Sans', system-ui, sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--ff-sans);
  color: var(--off-white);
  background: var(--ink);
  line-height: 1.6;
}
a { color: inherit; }
.shell { max-width: 1080px; margin: 0 auto; padding: 40px 24px; }
.nav { display: flex; justify-content: space-between; align-items: center; gap: 24px; margin-bottom: 56px; }
.brand { font-family: var(--ff-serif); font-size: 28px; text-decoration: none; }
.nav a:not(.brand) { color: var(--silver); text-decoration: none; font-size: 14px; }
.eyebrow { color: var(--amber); text-transform: uppercase; letter-spacing: .08em; font-size: 12px; font-weight: 600; }
h1, h2, h3 { font-family: var(--ff-serif); line-height: 1.05; margin: 0; }
h1 { max-width: 780px; font-size: clamp(44px, 7vw, 84px); font-weight: 500; }
h2 { font-size: 38px; font-weight: 500; }
.lead { max-width: 680px; color: var(--silver); font-size: 18px; margin: 20px 0 0; }
.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: 44px; }
.card { border: 1px solid var(--border); background: rgba(16, 34, 48, .72); border-radius: 8px; padding: 24px; min-height: 100%; }
.card.featured { border-color: var(--amber); background: rgba(16, 34, 48, .96); }
.price { font-family: var(--ff-serif); font-size: 48px; color: white; margin: 18px 0 8px; }
.price span { font-family: var(--ff-sans); font-size: 15px; color: var(--silver); }
ul { padding: 0; margin: 20px 0; list-style: none; }
li { margin: 10px 0; color: #c9dbe5; }
.btn { display: inline-flex; justify-content: center; align-items: center; border: 0; border-radius: 6px; background: var(--amber); color: var(--ink); padding: 12px 16px; min-height: 44px; font-weight: 700; text-decoration: none; cursor: pointer; width: 100%; }
.btn.secondary { background: transparent; color: var(--off-white); border: 1px solid var(--border); }
.form { max-width: 560px; margin-top: 32px; display: grid; gap: 14px; }
.field { display: grid; gap: 6px; }
label { color: var(--silver); font-size: 14px; }
input, select { width: 100%; min-height: 44px; border: 1px solid var(--border); border-radius: 6px; padding: 10px 12px; background: #0d1d29; color: white; font: inherit; }
.notice { margin-top: 18px; color: var(--silver); }
.code { display: block; background: #061119; border: 1px solid var(--border); border-radius: 6px; padding: 14px; overflow-x: auto; }
@media (max-width: 860px) {
  .grid { grid-template-columns: 1fr; }
  .nav { align-items: flex-start; flex-direction: column; }
}