:root {
  color-scheme: light;
  --ink: #17202b;
  --muted: #536171;
  --surface: #f4f6f8;
  --paper: #ffffff;
  --line: #d8dee5;
  --accent: #075b8f;
  --accent-dark: #03446d;
  --focus: #d95319;
  --max-width: 70rem;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.65;
}

a { color: var(--accent-dark); }

a:hover { color: var(--accent); }

a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
  border-radius: 2px;
}

h1, h2, p { margin-top: 0; }

h1, h2 { color: var(--ink); line-height: 1.15; letter-spacing: -0.025em; }

h1 { max-width: 13ch; margin-bottom: 1.25rem; font-size: clamp(2.6rem, 6vw, 5rem); }

h2 { margin-bottom: 1rem; font-size: clamp(2rem, 4vw, 2.8rem); }

.container { width: min(100% - 2.5rem, var(--max-width)); margin-inline: auto; }

.site-header { border-bottom: 1px solid var(--line); background: var(--paper); }

.navigation { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; min-height: 5rem; }

.wordmark { color: var(--ink); font-size: 1.25rem; font-weight: 750; letter-spacing: -0.025em; text-decoration: none; }

nav ul { display: flex; flex-wrap: wrap; gap: 1.25rem; margin: 0; padding: 0; list-style: none; }

nav a { font-weight: 650; text-decoration-thickness: 1px; text-underline-offset: 0.25em; }

.hero { padding-block: clamp(5.5rem, 13vw, 10rem); background: linear-gradient(140deg, #edf4f7 0%, var(--paper) 65%); border-bottom: 1px solid var(--line); }

.eyebrow { margin-bottom: 0.75rem; color: var(--accent-dark); font-size: 0.8rem; font-weight: 750; letter-spacing: 0.11em; text-transform: uppercase; }

.lead { max-width: 43rem; margin-bottom: 0; color: var(--muted); font-size: clamp(1.15rem, 2.5vw, 1.4rem); }

.section { padding-block: clamp(4.5rem, 9vw, 7.5rem); }

.section-muted { background: var(--surface); border-block: 1px solid var(--line); }

.prose { max-width: 48rem; }

.prose p, .product-card p { color: var(--muted); font-size: 1.125rem; }

.product-card { max-width: 50rem; padding: clamp(1.5rem, 4vw, 2.5rem); background: var(--paper); border: 1px solid var(--line); border-radius: 0.5rem; box-shadow: 0 0.6rem 1.5rem rgb(23 32 43 / 7%); }

.product-card strong { color: var(--ink); }

.text-link { font-weight: 700; text-decoration-thickness: 1.5px; text-underline-offset: 0.25em; }

.site-footer { padding-block: 2rem; background: var(--ink); color: #e9eef2; }

.site-footer p { margin: 0; font-size: 0.95rem; }

.skip-link { position: absolute; z-index: 1; top: 0.5rem; left: 0.5rem; padding: 0.65rem 0.9rem; background: var(--ink); color: #fff; transform: translateY(-150%); }

.skip-link:focus { transform: translateY(0); }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

.error-page { min-height: 100vh; display: grid; place-items: center; background: var(--surface); }

.error-content { padding-block: 4rem; }

@media (max-width: 34rem) {
  .navigation { align-items: flex-start; flex-direction: column; justify-content: center; padding-block: 1rem; }
  nav ul { gap: 1rem; }
  .container { width: min(100% - 2rem, var(--max-width)); }
}
