:root {
  --paper: #faf7f1;
  --card: #ffffff;
  --ink: #1c1a16;
  --muted: #5d574c;
  --rule: #e3dbcd;
  --accent: #9c3b22;
  --accent-ink: #ffffff;
  --error: #8a1c1c;
  --wrap: 68rem;
  --radius: 10px;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 17px;
  line-height: 1.6;
}

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 1.25rem;
}

a {
  color: var(--accent);
  text-underline-offset: 0.15em;
}

a:hover {
  color: #7a2c17;
}

h1 {
  font-size: 2.1rem;
  line-height: 1.2;
  margin: 0 0 0.4em;
}

h2 {
  font-size: 1.35rem;
  line-height: 1.25;
  margin: 0 0 0.4em;
}

h3 {
  font-size: 1.1rem;
  margin: 0 0 0.3em;
}

p {
  margin: 0 0 1em;
}

.subtitle {
  color: var(--muted);
  font-style: italic;
  margin-bottom: 0.6em;
}

.hint {
  color: var(--muted);
  font-size: 0.88rem;
}

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

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 1.5rem;
  padding-top: 1.1rem;
  padding-bottom: 1.1rem;
}

.brand {
  font-size: 1.5rem;
  font-weight: bold;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: var(--ink);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-family: Helvetica, Arial, sans-serif;
  font-size: 0.95rem;
}

.site-nav a {
  text-decoration: none;
}

.site-nav a[aria-current='page'] {
  color: var(--ink);
  text-decoration: underline;
}

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

main > .wrap {
  padding: 0;
}

.tagline {
  color: var(--muted);
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

.grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
  gap: 2rem 1.75rem;
}

.card-cover {
  display: block;
  margin-bottom: 0.75rem;
}

.card-cover img {
  width: 100%;
  height: auto;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--card);
}

.card h2 {
  font-size: 1.15rem;
  margin-bottom: 0.2em;
}

.card h2 a {
  color: var(--ink);
  text-decoration: none;
}

.card h2 a:hover {
  text-decoration: underline;
}

.card .meta {
  font-family: Helvetica, Arial, sans-serif;
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 0;
}

.card .price {
  color: var(--ink);
  font-weight: bold;
}

.product {
  display: grid;
  grid-template-columns: minmax(0, 18rem) minmax(0, 1fr);
  gap: 2.5rem;
  align-items: start;
}

@media (max-width: 46rem) {
  .product {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.5rem;
  }
}

.product-cover img {
  width: 100%;
  height: auto;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--card);
}

.facts {
  margin: 1.25rem 0;
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: 0.35rem 1rem;
  font-family: Helvetica, Arial, sans-serif;
  font-size: 0.95rem;
}

.facts dt {
  color: var(--muted);
}

.facts dd {
  margin: 0;
}

.facts .price {
  font-weight: bold;
}

.button {
  display: inline-block;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius);
  background: var(--accent);
  color: var(--accent-ink);
  font-family: Helvetica, Arial, sans-serif;
  font-size: 1rem;
  text-decoration: none;
  border: 1px solid var(--accent);
  cursor: pointer;
}

.button:hover {
  background: #7a2c17;
  border-color: #7a2c17;
  color: var(--accent-ink);
}

.button[disabled] {
  opacity: 0.55;
  cursor: default;
}

.link-button {
  padding: 0;
  border: 0;
  background: none;
  color: var(--accent);
  font-family: Helvetica, Arial, sans-serif;
  font-size: 0.95rem;
  text-decoration: underline;
  cursor: pointer;
}

.back {
  margin-top: 1.5rem;
  font-size: 0.95rem;
}

.checkout-form {
  max-width: 34rem;
}

.field {
  margin-bottom: 1.25rem;
}

.field label {
  display: block;
  font-family: Helvetica, Arial, sans-serif;
  font-size: 0.95rem;
  margin-bottom: 0.3rem;
}

.field input,
.field select {
  width: 100%;
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--card);
  color: var(--ink);
  font-family: Helvetica, Arial, sans-serif;
  font-size: 1rem;
}

.field input:disabled {
  background: #f2eee7;
  color: var(--muted);
}

.error {
  color: var(--error);
  font-family: Helvetica, Arial, sans-serif;
  font-size: 0.95rem;
}

.payment,
.status {
  margin-top: 2.5rem;
  padding: 1.5rem;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--card);
  max-width: 44rem;
}

.payment .rail {
  font-family: Helvetica, Arial, sans-serif;
  font-size: 1.05rem;
  margin-bottom: 0.2em;
}

.payment .contract {
  font-family: Helvetica, Arial, sans-serif;
  font-size: 0.9rem;
  color: var(--muted);
  word-break: break-all;
}

.address {
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
  font-size: 0.9rem;
  word-break: break-all;
  user-select: all;
}

.qr-block {
  margin-top: 1.5rem;
}

.qr svg {
  width: 220px;
  height: auto;
  background: #ffffff;
  padding: 8px;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
}

.qr-block .hint {
  margin: 0.6rem 0 0.4rem;
}

.site-footer {
  border-top: 1px solid var(--rule);
  background: var(--card);
  padding: 2rem 0 2.5rem;
}

.site-footer .disclaimer {
  max-width: 46rem;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.site-footer .contact {
  font-family: Helvetica, Arial, sans-serif;
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 0;
}

.no-js {
  display: none;
}

html:not(.js) .no-js {
  display: block;
  padding: 0.8rem 1rem;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--card);
  font-family: Helvetica, Arial, sans-serif;
  font-size: 0.95rem;
}

html:not(.js) .js-only {
  display: none !important;
}