:root {
  --ink: #111820;
  --muted: #5a6570;
  --paper: #f4f7f3;
  --line: #d8e2df;
  --accent: #0d7d6c;
  --accent-dark: #085c50;
  --gold: #e7aa3b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    linear-gradient(135deg, rgba(13, 125, 108, 0.12), transparent 34rem),
    linear-gradient(160deg, var(--paper), #fff9ed);
}

.wrap {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
  padding: 42px 0 26px;
}

.narrow {
  width: min(760px, calc(100% - 32px));
}

.hero {
  padding: 42px 0;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent-dark);
  font-size: 0.86rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  max-width: 900px;
  margin: 0 0 18px;
  font-size: clamp(2.6rem, 7vw, 6.2rem);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  margin: 0 0 10px;
  font-size: 1.08rem;
}

.lead {
  max-width: 720px;
  margin: 0 0 24px;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.28rem);
  line-height: 1.55;
}

.mini-copy {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.price {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: baseline;
  margin: 26px 0;
}

.price strong {
  font-size: 2.55rem;
}

.price span,
.receipt {
  color: var(--muted);
  font-weight: 750;
}

.checkout {
  display: grid;
  gap: 14px;
  max-width: 640px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.75);
  box-shadow: 0 18px 42px rgba(17, 24, 32, 0.07);
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 800;
}

fieldset {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  border: 0;
}

legend {
  margin-bottom: 2px;
  color: var(--muted);
  font-weight: 850;
}

.choice {
  grid-template-columns: auto 1fr;
  align-items: start;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
}

.choice input {
  width: auto;
  margin-top: 4px;
}

.choice span {
  color: var(--ink);
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px 13px;
  color: var(--ink);
  font: inherit;
  background: #fff;
}

button {
  min-height: 50px;
  border: 0;
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-weight: 900;
  cursor: pointer;
}

button:hover {
  background: var(--accent-dark);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

article {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.55);
}

.tool,
.kit {
  display: grid;
  gap: 14px;
  margin: 20px 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
}

pre {
  white-space: pre-wrap;
  margin: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  font: 0.95rem/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

ul {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.58;
}

footer {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  margin-top: 30px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

a,
.text-link {
  color: var(--accent-dark);
  font-weight: 850;
}

@media (max-width: 760px) {
  .grid {
    grid-template-columns: 1fr;
  }
}