/* FilamentBridge: shared storefront system. The brand palette is unchanged. */
@font-face {
  font-family: 'Barlow Condensed';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('/_next/static/media/barlow-condensed-latin-600-normal.289y3avl9x-vx.woff2')
    format('woff2');
}
@font-face {
  font-family: 'DM Sans';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/_next/static/media/dm-sans-latin-400-normal.0471snlmja818.woff2') format('woff2');
}
@font-face {
  font-family: 'DM Sans';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('/_next/static/media/dm-sans-latin-600-normal.0oone78si629l.woff2') format('woff2');
}
:root {
  --ink: #172c33;
  --paper: #f6f5f0;
  --white: #fff;
  --muted: #56666c;
  --line: #d9dfdc;
  --accent: #006b68;
  --orange: var(--accent);
  --blue: #dce7eb;
  --paper-deep: #efece2;
  --surface: #fffdf8;
  --accent-bright: #00918a;
  --accent-deep: #00504e;
  --accent-wash: #e4efee;
  --ink-deep: #0e1f25;
  --display: 'Barlow Condensed', 'Bahnschrift Condensed', sans-serif;
  --body: 'DM Sans', 'Segoe UI', sans-serif;
  --gutter: clamp(20px, 4vw, 64px);
  --content: 1280px;
  --radius: 12px;
  --space: clamp(48px, 7vw, 88px);
}
* {
  box-sizing: border-box;
}
html {
  scroll-padding-top: 100px;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 16px/1.65 var(--body);
  text-rendering: optimizeLegibility;
}
img,
svg {
  max-width: 100%;
  vertical-align: middle;
}
img {
  height: auto;
  display: block;
}
figure {
  margin: 0;
}
p {
  margin: 0 0 1.25rem;
}
p:last-child {
  margin-bottom: 0;
}
h1,
h2,
h3 {
  font-family: var(--display);
  font-weight: 600;
  line-height: 1.08;
  margin: 0 0 1rem;
  text-wrap: balance;
}
h1 {
  font-size: clamp(2.5rem, 4.9vw, 4.8rem);
  letter-spacing: -0.025em;
  max-width: 22ch;
}
h2 {
  font-size: clamp(1.85rem, 3vw, 2.6rem);
  letter-spacing: -0.012em;
}
h3 {
  font-size: 1.65rem;
}
h1 em {
  color: var(--accent);
  font-style: normal;
}
a {
  color: inherit;
  text-underline-offset: 0.22em;
  text-decoration-thickness: 1px;
}
a:hover {
  color: var(--accent-deep);
}
strong,
b {
  font-weight: 600;
}
button,
input,
select,
textarea {
  font: inherit;
}
button {
  cursor: pointer;
}
:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}
[hidden] {
  display: none !important;
}
.skip {
  position: fixed;
  top: 12px;
  left: 16px;
  z-index: 100;
  transform: translateY(-180%);
  background: var(--ink);
  color: var(--white);
  padding: 12px 18px;
  border-radius: 6px;
}
.skip:focus {
  transform: none;
}
.muted,
.small {
  color: var(--muted);
}
.small {
  font-size: 0.875rem;
}
.spacer {
  margin-top: 32px;
}
.button,
button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 48px;
  padding: 12px 24px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  background: var(--accent);
  color: var(--white);
  font-weight: 600;
  line-height: 1.4;
  text-decoration: none;
  text-align: center;
  transition:
    background-color 0.18s,
    border-color 0.18s;
}
.button:hover,
button:hover {
  background: var(--accent-deep);
  border-color: var(--accent-deep);
  color: var(--white);
}
.button.secondary,
button.secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.button.secondary:hover,
button.secondary:hover {
  background: var(--accent-wash);
  border-color: var(--accent);
}
button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}
.button-row,
.member-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
.text-link {
  display: inline-block;
  font-weight: 600;
  padding-block: 10px;
}
/* Shared navigation. Mobile navigation works without JavaScript. */
.topbar {
  background: var(--ink);
  color: var(--paper);
  text-align: center;
  padding: 7px var(--gutter);
  font-size: 0.75rem;
  line-height: 1.5;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 80px;
  padding: 14px max(var(--gutter), calc((100vw - var(--content)) / 2));
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-size: 1.12rem;
  font-weight: 600;
  white-space: nowrap;
}
.mark {
  display: flex;
  width: 42px;
  height: 36px;
  align-items: center;
  color: var(--accent);
  font-size: 48px;
  line-height: 1;
}
.site-header nav {
  display: flex;
  align-items: center;
  gap: 28px;
  margin: 0;
}
.site-header nav a {
  min-height: 44px;
  display: flex;
  align-items: center;
  font-size: 0.9rem;
  text-decoration: none;
  border-bottom: 2px solid transparent;
}
.site-header nav a:hover,
.site-header nav a[aria-current='page'] {
  border-color: var(--accent);
  color: var(--accent);
}
.site-header nav a.nav-shop {
  background: var(--accent);
  color: var(--white);
  padding: 8px 20px;
  border-radius: 6px;
  border: 0;
}
.site-header nav a.nav-shop:hover {
  background: var(--accent-deep);
  color: var(--white);
}
.mobile-nav {
  display: none;
}
/* Containers and page introductions. */
.page {
  max-width: calc(var(--content) + 2 * var(--gutter));
  margin: 0 auto;
  padding: clamp(36px, 5vw, 64px) var(--gutter) var(--space);
}
.page-heading {
  margin-bottom: 32px;
  max-width: 900px;
}
.page-heading p {
  max-width: 65ch;
  font-size: 1.0625rem;
  color: var(--muted);
}
.page > p,
.page > section:not(#product-catalogue) {
  max-width: 75ch;
}
.page > section h2:not(:first-child) {
  margin-top: 36px;
}
.page > dl {
  max-width: 850px;
}
.hero,
.section,
.approach,
.intro-strip,
.launch-section {
  max-width: var(--content);
  margin-inline: auto;
}
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: clamp(32px, 5vw, 80px);
  padding-block: clamp(40px, 6vw, 80px);
}
.hero h1 {
  font-size: clamp(3rem, 5.8vw, 5.8rem);
  max-width: 13ch;
}
.hero p {
  max-width: 43ch;
  font-size: 1.1rem;
  color: var(--muted);
}
body:has(.hero) main {
  padding-inline: var(--gutter);
}
.material-study {
  overflow: hidden;
  border-radius: var(--radius);
  aspect-ratio: 1/1;
  background: var(--blue);
}
.study-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.intro-strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  padding: 28px 0;
  border-block: 1px solid var(--line);
}
.intro-strip h2 {
  font-size: 2rem;
  margin: 0;
}
.intro-strip p {
  max-width: 56ch;
  color: var(--muted);
}
.section {
  padding-block: var(--space);
}
.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}
.section-head h2 {
  margin: 0;
}
.section-head > a {
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
}
.material-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}
.material-tile {
  position: relative;
  display: block;
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none;
  background: var(--paper-deep);
}
.material-tile h3 {
  position: absolute;
  z-index: 1;
  top: 20px;
  left: 22px;
  font-size: 2rem;
}
.material-tile-image {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.material-tile:hover .material-tile-image {
  transform: scale(1.025);
}
.approach {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 7vw, 100px);
  border-top: 1px solid var(--line);
  padding-block: var(--space);
}
.approach > div > p {
  max-width: 48ch;
  color: var(--muted);
}
.approach ol {
  padding: 0;
  margin: 0;
  list-style: none;
}
.approach li {
  display: flex;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}
.approach li:first-child {
  padding-top: 0;
}
.approach li > span {
  color: var(--accent);
  font-size: 0.85rem;
  padding-top: 3px;
}
.approach li h3 {
  font-size: 1.65rem;
}
.approach li p {
  color: var(--muted);
  font-size: 0.9375rem;
}
.launch-section {
  background: var(--accent-wash);
  border-radius: var(--radius);
  padding: clamp(28px, 5vw, 64px);
  margin-bottom: var(--space);
}
.launch-section > div {
  max-width: 700px;
}
.launch-section p {
  max-width: 60ch;
}
.launch-section .button {
  margin-top: 8px;
}
/* Shared collections and product catalogue. */
.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-block: 24px 40px;
}
.grid > * {
  min-width: 0;
}
.card {
  display: flex;
  flex-direction: column;
  padding: 26px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-decoration: none;
  overflow: hidden;
  transition:
    border-color 0.2s,
    box-shadow 0.2s;
}
.card:hover {
  border-color: var(--accent);
  color: var(--ink);
  box-shadow: 0 5px 18px #172c330a;
}
.card h2,
.card h3 {
  font-size: 1.8rem;
}
.card p {
  color: var(--muted);
  font-size: 0.9375rem;
  margin-bottom: 16px;
}
.card .small {
  margin-top: auto;
  padding-top: 8px;
  color: var(--accent);
  font-weight: 600;
}
.material-card-image {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 6px;
  margin-bottom: 20px;
}
.product-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.product-card {
  padding: 22px;
}
.product-card h3 {
  font-size: 1.6rem;
}
.product-card-image {
  width: calc(100% + 44px);
  max-width: none;
  margin: -22px -22px 20px;
  aspect-ratio: 4/3;
  object-fit: cover;
}
.product-card .card-price {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--ink);
  margin-top: auto;
  margin-bottom: 8px;
}
.product-card .card-availability {
  font-size: 0.8rem;
  margin-bottom: 0;
}
.product-card .card-action {
  padding-top: 16px;
  font-size: 0.875rem;
  color: var(--accent);
  font-weight: 600;
}
.product-grid:has(> .product-card:only-child) {
  grid-template-columns: 1fr;
}
.product-grid > .product-card:only-child {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 8px 32px;
  align-items: start;
}
.product-grid > .product-card:only-child .product-card-image {
  grid-row: 1 / span 6;
  width: 100%;
  margin: 0;
  border-radius: 6px;
}
.product-grid > .product-card:only-child p,
.product-grid > .product-card:only-child h3 {
  margin: 0;
}
.product-grid > .product-card:only-child .card-action {
  align-self: end;
}
#product-catalogue {
  margin-block: 28px 48px;
}
#product-catalogue > h2 {
  font-size: 1.8rem;
}
#product-catalogue .grid {
  margin-bottom: 0;
}
.admin-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-block: 24px 32px;
}
.admin-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: 6px;
  text-decoration: none;
  font-size: 0.875rem;
}
.admin-nav a:hover {
  border-color: var(--accent);
}
.admin-nav a[aria-current='page'] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--white);
}
.category-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(180px, 0.38fr);
  gap: 40px;
  align-items: center;
  margin-bottom: 28px;
}
.category-intro .page-heading {
  margin: 0;
}
.category-intro figure {
  max-width: 280px;
  justify-self: end;
}
.category-intro img {
  border-radius: var(--radius);
  aspect-ratio: 1;
  object-fit: cover;
}
.product-overview {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: start;
  margin-bottom: 64px;
}
.product-visual {
  background: var(--paper-deep);
  border-radius: var(--radius);
  overflow: hidden;
}
.product-visual img {
  width: 100%;
  height: auto;
}
.product-summary .page-heading {
  margin-bottom: 24px;
}
.product-summary h1 {
  font-size: clamp(2.1rem, 3.5vw, 3.4rem);
}
.product-summary .page-heading p {
  font-size: 1rem;
}
.product-purchase {
  border-top: 1px solid var(--line);
  padding-top: 20px;
}
.product-purchase p {
  font-size: 0.9rem;
  color: var(--muted);
}
.product-purchase .product-price {
  color: var(--ink);
  font-size: 2.25rem;
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 12px;
}
.product-price span {
  font-size: 0.875rem;
  font-weight: 400;
}
.product-purchase .purchase-action {
  margin-block: 20px;
}
.purchase-action .button {
  width: 100%;
}
.product-purchase details {
  font-size: 0.875rem;
  margin-block: 16px;
}
.product-purchase details p {
  margin-top: 12px;
}
.product-purchase summary {
  color: var(--ink);
}
.product-details {
  max-width: 780px;
  margin: auto;
}
.product-details dl {
  display: grid;
  grid-template-columns: minmax(130px, 1fr) minmax(0, 2fr);
  gap: 0;
}
.product-details dt,
.product-details dd {
  padding: 12px 0;
  margin: 0;
  border-bottom: 1px solid var(--line);
}
/* Educational, resources, support and legal templates. */
.category-guide {
  display: grid;
  grid-template-columns: minmax(190px, 250px) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 72px);
  margin-top: 48px;
  align-items: start;
}
.guide-index {
  display: flex;
  flex-direction: column;
  gap: 4px;
  position: sticky;
  top: 110px;
  padding: 0 24px 0 0;
  margin: 0;
  border-right: 1px solid var(--line);
}
.guide-index a {
  display: block;
  text-decoration: none;
  padding: 10px 0;
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.5;
}
.guide-index a:hover {
  color: var(--accent);
  text-decoration: underline;
}
.guide-body,
.prose {
  max-width: 74ch;
  min-width: 0;
}
.guide-body > section {
  margin-bottom: 40px;
}
.guide-body h2,
.prose h2 {
  font-size: clamp(1.8rem, 2.6vw, 2.2rem);
  margin-top: 36px;
}
.guide-body > section:first-child > h2 {
  margin-top: 0;
}
.guide-body h3 {
  margin-top: 24px;
}
.guide-body p,
.prose p {
  line-height: 1.8;
}
.guide-body li,
.prose li {
  margin-bottom: 8px;
}
.guide-body a:not(.button),
.prose a:not(.button) {
  color: var(--accent-deep);
}
.guide-sources {
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-size: 0.9rem;
}
.guide-sources h2 {
  font-size: 1.7rem;
}
.guide-sources a {
  overflow-wrap: anywhere;
}
.material-detail-image {
  width: 100%;
  max-width: 560px;
  border-radius: var(--radius);
  margin-block: 24px;
  aspect-ratio: 1;
  object-fit: cover;
}
.callout,
.notice {
  border-left: 3px solid var(--accent);
  background: var(--accent-wash);
  padding: 20px 24px;
  margin-block: 24px;
  font-size: 0.9375rem;
}
.table-scroll {
  max-width: 100%;
  overflow-x: auto;
  margin-block: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
}
table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.875rem;
  line-height: 1.6;
}
td,
th {
  padding: 14px 18px;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}
th {
  font-weight: 600;
  background: var(--accent-wash);
}
tr:last-child td {
  border-bottom: 0;
}
.n {
  font-variant-numeric: tabular-nums;
}
dt {
  font-weight: 600;
}
dd {
  margin: 4px 0 20px;
  color: var(--muted);
}
dl > div {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 24px;
  border-bottom: 1px solid var(--line);
  padding: 16px 0;
}
dl > div dd {
  margin: 0;
}
.faq-list dt {
  margin-top: 28px;
  border-top: 1px solid var(--line);
  padding-top: 24px;
  font-size: 1.1rem;
}
.faq-list dt:first-child {
  border: 0;
  margin-top: 0;
}
.faq-list dd {
  margin-top: 10px;
  max-width: 70ch;
}
.business-address {
  font-style: normal;
  color: var(--muted);
  margin-bottom: 24px;
}
.empty-state {
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  max-width: 70ch;
}
details {
  border-block: 1px solid var(--line);
  padding: 12px 0;
  margin-block: 20px;
}
summary {
  cursor: pointer;
  font-weight: 600;
  min-height: 24px;
}
details p {
  margin-top: 16px;
}
/* Membership presentation only; authentication and payment scripts unchanged. */
.member-page {
  max-width: 1100px;
}
.member-plans {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin: 32px 0;
}
.member-plans section {
  background: var(--surface);
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.member-plans h2 {
  margin: 0;
}
.member-price {
  font-size: 3rem;
  line-height: 1.2;
  margin-block: 24px;
}
.member-price span {
  font-size: 0.875rem;
}
.member-benefit {
  font-size: 1.2rem;
  color: var(--accent);
}
.member-page form {
  max-width: 600px;
  margin-block: 24px;
}
.member-page label {
  display: block;
  margin-block: 12px;
}
.member-page fieldset {
  border: 0;
  padding: 0;
  margin: 0 0 24px;
}
.member-page legend {
  font-weight: 600;
  margin-bottom: 8px;
}
.member-page input[type='email'],
.member-page input[type='text'] {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--muted);
  border-radius: 6px;
  padding: 12px;
  background: var(--white);
  color: var(--ink);
  margin-block: 8px 20px;
}
.member-page input[type='checkbox'],
.member-page input[type='radio'] {
  width: 20px;
  height: 20px;
  vertical-align: middle;
  margin: 0 8px 0 0;
  accent-color: var(--accent);
}
.member-consent {
  font-size: 0.9375rem;
}
.member-product {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid var(--line);
  padding: 24px 0;
}
.member-product p {
  margin: 4px 0;
}
#member-message {
  min-height: 3rem;
  padding: 16px;
  background: var(--accent-wash);
  border-radius: 6px;
}
#member-message[data-error='true'] {
  border-left: 3px solid var(--ink);
}
/* Full internal link set, with no global nav selector leakage. */
.sitemap {
  border-top: 1px solid var(--line);
  background: var(--paper-deep);
  padding: 48px var(--gutter);
  margin: 0;
  display: block;
}
.sitemap-inner {
  max-width: var(--content);
  margin: auto;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 36px 32px;
}
.sitemap h2 {
  font-family: var(--body);
  font-size: 0.875rem;
  line-height: 1.5;
  margin-bottom: 12px;
  font-weight: 600;
  letter-spacing: 0;
}
.sitemap ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.sitemap li {
  margin-bottom: 4px;
}
.sitemap a {
  display: inline-block;
  text-decoration: none;
  font-size: 0.8125rem;
  line-height: 1.5;
  padding-block: 5px;
  color: var(--muted);
}
.sitemap a:hover {
  text-decoration: underline;
  color: var(--accent-deep);
}
footer {
  background: var(--paper-deep);
  border-top: 1px solid var(--line);
  padding: 28px var(--gutter);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-size: 0.8125rem;
}
.footer-brand p {
  margin: 8px 0;
  color: var(--muted);
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}
.footer-note {
  color: var(--muted);
}
footer .wordmark {
  font-size: 1rem;
}
/* Responsive layouts: shrink content, never clip the whole document. */
@media (min-width: 1440px) {
  .sitemap-inner {
    grid-template-columns: repeat(7, minmax(0, 1fr));
  }
}
@media (max-width: 1024px) {
  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .grid {
    gap: 20px;
  }
  .category-guide {
    grid-template-columns: 210px minmax(0, 1fr);
    gap: 32px;
  }
  .hero h1 {
    font-size: clamp(3rem, 6.5vw, 4.8rem);
  }
  .site-header nav {
    gap: 20px;
  }
}
@media (max-width: 767px) {
  .site-header {
    min-height: 68px;
    padding-block: 10px;
    gap: 12px;
  }
  .wordmark {
    font-size: 1rem;
    gap: 8px;
  }
  .mark {
    width: 34px;
    font-size: 40px;
  }
  .site-header > nav {
    display: none;
  }
  .mobile-nav {
    display: block;
    border: 0;
    padding: 0;
    margin: 0;
  }
  .mobile-nav summary {
    display: flex;
    align-items: center;
    min-height: 44px;
    padding: 8px 10px;
    font-size: 0.875rem;
    list-style: none;
  }
  .mobile-nav summary::-webkit-details-marker {
    display: none;
  }
  .mobile-nav summary::after {
    content: '+';
    font-size: 1.4rem;
    margin-left: 10px;
  }
  .mobile-nav[open] summary::after {
    content: '−';
  }
  .mobile-nav nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 16px var(--gutter) 24px;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 10px 16px #172c330d;
  }
  .mobile-nav nav a {
    padding: 10px 12px;
  }
  .hero {
    gap: 28px;
    grid-template-columns: 1fr 1fr;
  }
  .hero h1 {
    font-size: clamp(2.5rem, 7vw, 3.4rem);
  }
  .hero p {
    font-size: 1rem;
  }
  .hero .button {
    padding-inline: 20px;
  }
  .intro-strip {
    gap: 24px;
  }
  .intro-strip h2 {
    font-size: 1.8rem;
  }
  .intro-strip p {
    font-size: 0.9375rem;
  }
  .material-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }
  .approach {
    gap: 28px;
  }
  .approach h2 {
    font-size: 2.2rem;
  }
  .approach li {
    gap: 16px;
  }
  .grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .category-intro {
    grid-template-columns: minmax(0, 1fr) 140px;
    gap: 24px;
  }
  .category-intro h1 {
    font-size: 2.5rem;
  }
  .category-guide {
    display: block;
  }
  .guide-index {
    position: static;
    border-right: 0;
    border-block: 1px solid var(--line);
    padding: 12px 0;
    margin-bottom: 32px;
  }
  .guide-index a {
    padding: 8px 0;
  }
  .product-overview {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .product-visual {
    max-width: 480px;
    width: 100%;
    margin: auto;
  }
  .product-summary h1 {
    max-width: 26ch;
  }
  .product-details {
    margin: 0;
  }
  .sitemap-inner {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
  }
  .member-plans {
    gap: 16px;
  }
  .member-plans section {
    padding: 22px;
  }
}
@media (max-width: 540px) {
  h1 {
    font-size: 2.5rem;
  }
  .topbar {
    font-size: 0.6875rem;
  }
  .hero {
    grid-template-columns: 1fr;
    padding-top: 32px;
    gap: 28px;
  }
  .hero h1 {
    font-size: 3.2rem;
    max-width: 15ch;
  }
  .hero-copy p {
    font-size: 1rem;
  }
  .hero .button-row {
    margin-top: 22px;
  }
  .hero .button {
    width: 100%;
  }
  .material-study {
    aspect-ratio: 4/3;
  }
  .intro-strip {
    grid-template-columns: 1fr;
    gap: 16px;
    padding-block: 24px;
  }
  .section-head {
    align-items: end;
    gap: 16px;
  }
  .section-head h2 {
    font-size: 2rem;
  }
  .section-head > a {
    white-space: normal;
    max-width: 80px;
    text-align: right;
  }
  .material-tile h3 {
    font-size: 1.5rem;
    left: 16px;
    top: 14px;
  }
  .approach {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .launch-section {
    padding: 24px;
  }
  .launch-section .button {
    width: 100%;
  }
  .grid {
    grid-template-columns: 1fr;
  }
  .product-grid {
    grid-template-columns: 1fr;
  }
  .product-grid > .product-card:only-child {
    display: flex;
    gap: 0;
  }
  .product-grid > .product-card:only-child .product-card-image {
    margin-bottom: 20px;
  }
  .product-grid > .product-card:only-child h3,
  .product-grid > .product-card:only-child p {
    margin-bottom: 12px;
  }
  .product-card-image {
    max-height: 300px;
  }
  .card {
    padding: 22px;
  }
  .category-intro {
    grid-template-columns: 1fr;
  }
  .category-intro figure {
    display: none;
  }
  .admin-nav {
    gap: 6px;
  }
  .admin-nav a {
    padding: 8px 13px;
  }
  .product-visual {
    max-width: 320px;
  }
  .product-summary h1 {
    font-size: 2.2rem;
  }
  .product-overview {
    gap: 24px;
    margin-bottom: 40px;
  }
  .product-details dl {
    grid-template-columns: minmax(110px, 1fr) minmax(0, 1.4fr);
    font-size: 0.9375rem;
  }
  .sitemap {
    padding-block: 32px;
  }
  .sitemap-inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px 20px;
  }
  .sitemap a {
    padding-block: 7px;
  }
  .member-plans {
    grid-template-columns: 1fr;
  }
  .member-product {
    flex-direction: column;
    align-items: start;
  }
  .member-actions .button {
    width: 100%;
  }
  dl > div {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  td,
  th {
    padding: 12px;
    min-width: 105px;
  }
  .table-scroll table {
    min-width: 440px;
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}
@media print {
  .site-header,
  .topbar,
  .sitemap,
  footer,
  .guide-index,
  .button,
  .skip {
    display: none;
  }
  body {
    background: white;
    color: black;
  }
  .page {
    padding: 0;
    max-width: none;
  }
  .category-guide {
    display: block;
  }
  a {
    color: inherit;
  }
  .table-scroll {
    overflow: visible;
  }
}