:root {
  --bg-primary: #0f172a;
  --bg-secondary: #121826;
  --bg-alt: #f5efe6;
  --bg-card: rgba(15, 23, 42, 0.72);
  --bg-panel: rgba(255, 255, 255, 0.9);
  --color-primary: #f5f0e6;
  --color-accent: #c97b2a;
  --color-accent-soft: #e8bb7d;
  --color-muted: rgba(245, 240, 230, 0.7);
  --color-text: #1d2939;
  --font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-serif: "Noto Serif JP", "Noto Serif", serif;
  --shadow-soft: 0 20px 60px rgba(5, 10, 18, 0.45);
  --shadow-card: 0 12px 40px rgba(15, 23, 42, 0.35);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --transition: all 0.3s ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-primary);
  background: radial-gradient(circle at 20% 20%, rgba(201, 123, 42, 0.18), transparent 45%),
    radial-gradient(circle at 80% 0%, rgba(45, 75, 101, 0.2), transparent 50%),
    linear-gradient(120deg, var(--bg-primary), #090d16 60%, #101b2f 100%);
  min-height: 100vh;
  line-height: 1.6;
}

img {
  max-width: 100%;
  display: block;
}

.page-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex: 1;
}

.page {
  padding-bottom: 4rem;
}

.page-hero {
  padding: 6rem 0 3rem;
  background: linear-gradient(120deg, rgba(19, 27, 43, 0.85), rgba(10, 18, 32, 0.95));
}

.section-alt .page-hero {
  background: var(--bg-alt);
}

.page-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 3vw, 3.4rem);
  margin: 1.2rem 0 1.4rem;
}

.japanese-name {
  display: block;
  font-family: var(--font-serif);
  font-size: 0.65em;
  color: var(--color-accent-soft);
  margin-top: 0.4rem;
  font-weight: 400;
  letter-spacing: 0.05em;
}

.page-hero p {
  max-width: 60ch;
  color: var(--color-muted);
}

.page-section {
  padding: 4.5rem 0;
}

.page-section.section-alt {
  background: var(--bg-alt);
  color: var(--color-text);
}

.page-section.section-alt .eyebrow {
  color: #8a6430;
}

.two-column {
  display: grid;
  gap: 2.8rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  align-items: start;
}

.contrast-card {
  background: rgba(22, 32, 48, 0.82);
  padding: 2.2rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-card);
}

.contrast-card h3 {
  margin-top: 0;
  font-family: var(--font-serif);
}

.contrast-card ul,
.section-list ul,
.joint-applications ul,
.tool-list ul {
  margin: 1.2rem 0 0;
  padding-left: 1.1rem;
  line-height: 1.6;
}

.section-list h3,
.tool-list h3,
.joint-applications h3 {
  font-family: var(--font-serif);
}

.section-list li {
  margin-bottom: 0.5rem;
}

.related-links {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.related-links h4 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  margin: 0 0 1rem;
  color: var(--color-accent-soft);
}

.related-links ul {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

.related-links li {
  margin-bottom: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.related-links .external-link {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.related-links .external-link::after {
  content: '↗';
  font-size: 0.85em;
  opacity: 0.7;
}

.related-links .external-link:hover {
  color: #f0a24c;
  text-decoration: underline;
}

.related-links .link-description {
  color: var(--color-muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.team-grid {
  display: grid;
  gap: 1.8rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.team-grid article {
  background: rgba(22, 32, 48, 0.75);
  border-radius: var(--radius-md);
  padding: 1.8rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 16px 32px rgba(6, 12, 24, 0.25);
}

.team-grid h3 {
  margin-top: 0;
  font-family: var(--font-serif);
}

.category-showcase {
  display: grid;
  gap: 2.4rem;
}

.category-feature {
  background: rgba(20, 27, 43, 0.75);
  padding: 2.4rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-card);
}

.category-feature h2 {
  margin: 0.6rem 0 1rem;
  font-family: var(--font-serif);
}

.category-feature ul {
  margin: 1.2rem 0 0;
  padding-left: 1.1rem;
  line-height: 1.6;
}

.category-feature a {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
}

.category-feature a:hover {
  color: #f0a24c;
  text-decoration: underline;
}

.progression-grid {
  display: grid;
  gap: 1.6rem;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
}

.progression-grid article {
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-md);
  padding: 1.8rem;
  box-shadow: 0 20px 40px rgba(18, 24, 38, 0.1);
}

.progression-grid h3 {
  margin-top: 0;
  font-family: var(--font-serif);
}

.resource-columns {
  display: grid;
  gap: 2.4rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.resource-column article {
  margin-top: 1.8rem;
  padding: 1.6rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 18px 40px rgba(6, 12, 24, 0.25);
}

.resource-column h2,
.resource-column h3 {
  font-family: var(--font-serif);
}

.resource-column h2 {
  margin-bottom: 1rem;
}

.joint-page .page-hero {
  background: linear-gradient(120deg, rgba(19, 27, 43, 0.94), rgba(8, 14, 26, 0.98));
}

.joint-meta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.4rem;
}

.tag {
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  background: rgba(201, 123, 42, 0.18);
  color: var(--color-accent);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.joint-sidebar {
  display: grid;
  gap: 1.6rem;
}

.viewer-placeholder {
  background: rgba(15, 23, 42, 0.6);
  border-radius: var(--radius-md);
  padding: 2.4rem;
  border: 1px dashed rgba(255, 255, 255, 0.18);
  text-align: center;
  display: grid;
  gap: 0.6rem;
}

.viewer-placeholder span {
  color: var(--color-muted);
  font-size: 0.9rem;
}

.tool-list {
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.related-grid {
  display: grid;
  gap: 1.8rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-top: 2.4rem;
}

.related-card {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 1.8rem;
  box-shadow: 0 25px 40px rgba(18, 24, 38, 0.12);
}

.related-card h3 {
  margin-top: 0;
  font-family: var(--font-serif);
}

.related-card p {
  color: #3a3a3a;
  margin-bottom: 1rem;
}

.container {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  color: var(--color-accent-soft);
}

.eyebrow::before {
  content: "";
  display: inline-block;
  width: 36px;
  height: 1px;
  background: currentColor;
}

.hero {
  padding: 7rem 0 5rem;
  position: relative;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 10% 0 -20% 0;
  background: radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0));
  pointer-events: none;
  z-index: 0;
}

.hero-content {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-text h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.75rem, 4vw, 3.8rem);
  margin: 1.2rem 0 1.1rem;
  line-height: 1.1;
}

.hero-text p {
  color: var(--color-muted);
  font-size: 1.05rem;
  max-width: 32rem;
}

.hero-actions {
  margin: 2.4rem 0 2rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: var(--transition);
}

.btn.primary {
  background: linear-gradient(120deg, var(--color-accent), #f0a24c);
  color: #1c1409;
  box-shadow: 0 14px 30px rgba(201, 123, 42, 0.45);
}

.btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(201, 123, 42, 0.5);
}

.btn.ghost {
  border: 1px solid rgba(245, 240, 230, 0.3);
  color: var(--color-primary);
  background: transparent;
}

.btn.ghost:hover {
  border-color: rgba(245, 240, 230, 0.6);
  color: var(--color-accent-soft);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
  margin: 2rem 0 0;
  padding: 0;
}

.hero-stats dt {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-accent);
}

.hero-stats dd {
  margin: 0.45rem 0 0;
  font-size: 0.95rem;
  color: var(--color-muted);
}

.hero-visual {
  position: relative;
}

.visual-card {
  background: var(--bg-card);
  backdrop-filter: blur(26px);
  border-radius: var(--radius-lg);
  padding: 2.4rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-card);
}

.visual-card h3 {
  margin-top: 0.4rem;
  font-size: 1.6rem;
  font-family: var(--font-serif);
}

.visual-card p {
  color: var(--color-muted);
}

.visual-card ul {
  margin: 1.4rem 0 0;
  padding-left: 1.1rem;
  color: var(--color-muted);
  line-height: 1.5;
}

.visual-badge {
  background: rgba(201, 123, 42, 0.18);
  color: var(--color-accent);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.24em;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
}

.hero-gradient {
  position: absolute;
  inset: 12% -16% -20% 10%;
  background: radial-gradient(circle at 0% 0%, rgba(248, 200, 144, 0.45), transparent 65%),
    radial-gradient(circle at 80% 20%, rgba(88, 142, 180, 0.3), transparent 70%);
  filter: blur(22px);
  z-index: -1;
}

.section {
  padding: 5.5rem 0;
  position: relative;
}

.section-alt {
  background: var(--bg-alt);
  color: var(--color-text);
}

.section-alt .eyebrow {
  color: #8a6430;
}

.section-alt h2,
.section-alt p,
.section-alt li,
.section-alt .text-link {
  color: var(--color-text);
}

.section-header {
  text-align: center;
  max-width: 64ch;
  margin-bottom: 3.5rem;
}

.section-header h2 {
  font-family: var(--font-serif);
  font-size: clamp(2.1rem, 3vw, 2.8rem);
  margin: 1.2rem 0 1.1rem;
  line-height: 1.2;
}

.section-header p {
  margin: 0 auto;
  color: inherit;
  opacity: 0.8;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.8rem;
}

.card {
  background: rgba(20, 27, 43, 0.7);
  border-radius: var(--radius-md);
  padding: 2.2rem;
  border: 1px solid rgba(255, 255, 255, 0.07);
  backdrop-filter: blur(18px);
  box-shadow: 0 18px 40px rgba(6, 12, 24, 0.35);
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
  transition: transform 0.35s ease, border-color 0.35s ease;
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, 0.18);
}

.card-category {
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  color: var(--color-accent-soft);
}

.card h3 {
  margin: 0.4rem 0 0;
  font-size: 1.6rem;
  font-family: var(--font-serif);
  color: var(--color-primary);
}

.card p,
.card footer span {
  color: var(--color-muted);
}

.card footer {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.text-link {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 600;
}

.text-link:hover {
  color: #f0a24c;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.category-card {
  background: #fff;
  padding: 2.6rem;
  border-radius: var(--radius-md);
  box-shadow: 0 30px 60px rgba(18, 24, 38, 0.12);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.category-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 40px 80px rgba(18, 24, 38, 0.16);
}

.category-card header h3 {
  font-family: var(--font-serif);
  margin: 0;
  font-size: 1.6rem;
}

.category-card header span {
  display: block;
  margin-top: 0.35rem;
  color: #8a6430;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.75rem;
}

.category-card p {
  margin: 1.3rem 0;
  color: #4a4a4a;
}

.category-card ul {
  margin: 0 0 1.6rem;
  padding-left: 1.1rem;
  color: #353535;
}

.heritage {
  background: linear-gradient(140deg, rgba(19, 28, 45, 0.9), rgba(14, 22, 38, 0.96));
}

.heritage-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 3rem;
  align-items: start;
}

.heritage-content h2 {
  font-family: var(--font-serif);
  font-size: clamp(2.1rem, 3vw, 3rem);
  margin-top: 1.2rem;
  margin-bottom: 1.5rem;
}

.heritage-content p {
  color: var(--color-muted);
}

.heritage-cta {
  margin-top: 2.5rem;
}

.heritage-panel {
  display: grid;
  gap: 1.8rem;
}

.panel-card {
  background: rgba(24, 33, 52, 0.8);
  border-radius: var(--radius-md);
  padding: 2.2rem;
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: var(--shadow-soft);
}

.panel-card h3 {
  margin-top: 0;
  font-size: 1.45rem;
  font-family: var(--font-serif);
}

.panel-card .panel-meta {
  text-transform: uppercase;
  letter-spacing: 0.28em;
  font-size: 0.7rem;
  color: rgba(248, 200, 144, 0.7);
  margin-bottom: 1rem;
}

.learn-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 3rem;
  align-items: start;
}

.learn-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: step;
}

.learn-steps li {
  background: #ffffff;
  padding: 1.8rem 2rem 1.8rem 3.4rem;
  border-radius: var(--radius-sm);
  box-shadow: 0 20px 40px rgba(18, 24, 38, 0.08);
  position: relative;
  color: var(--color-text);
}

.learn-steps li + li {
  margin-top: 1.2rem;
}

.learn-steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 1.2rem;
  top: 1.7rem;
  width: 1.8rem;
  height: 1.8rem;
  border-radius: 999px;
  background: rgba(201, 123, 42, 0.18);
  color: #8a6430;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.learn-steps h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-serif);
  font-size: 1.25rem;
}

.learn-steps p {
  margin: 0;
  color: #4a4a4a;
}

.cta {
  background: linear-gradient(120deg, rgba(14, 22, 38, 0.92), rgba(17, 35, 58, 0.95));
}

.cta-card {
  background: rgba(19, 28, 46, 0.85);
  border-radius: var(--radius-lg);
  padding: 3rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2.4rem;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-soft);
}

.cta-card h2 {
  margin-top: 1.1rem;
  margin-bottom: 1.2rem;
  font-family: var(--font-serif);
  font-size: clamp(1.9rem, 2.6vw, 2.4rem);
}

.cta-card p {
  color: var(--color-muted);
}

.cta-form {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.cta-form input,
.newsletter-form input {
  padding: 0.9rem 1.2rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(5, 10, 18, 0.45);
  color: var(--color-primary);
  flex: 1 1 220px;
  font-size: 1rem;
}

.cta-form button,
.newsletter-form button {
  background: linear-gradient(120deg, var(--color-accent), #f0a24c);
  border: none;
  border-radius: 999px;
  padding: 0.9rem 1.8rem;
  font-weight: 600;
  cursor: pointer;
  color: #1c1409;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-form button:hover,
.newsletter-form button:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(201, 123, 42, 0.45);
}

.form-feedback {
  margin-top: 0.8rem;
  font-size: 0.9rem;
  color: var(--color-accent-soft);
}

.form-feedback.success {
  color: var(--color-accent-soft);
}

.form-feedback.error {
  color: #f78686;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(22px);
  background: rgba(7, 11, 18, 0.75);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  text-decoration: none;
  color: inherit;
}

.brand-mark {
  width: 3.2rem;
  height: 3.2rem;
  border-radius: 16px;
  background: rgba(201, 123, 42, 0.18);
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 600;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-weight: 700;
  letter-spacing: 0.03em;
}

.brand-subtitle {
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(245, 240, 230, 0.6);
}

.site-nav {
  display: flex;
  align-items: center;
}

.site-nav ul {
  display: flex;
  list-style: none;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
}

.site-nav ul {
  display: flex;
  list-style: none;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
}

.site-nav a {
  text-decoration: none;
  color: rgba(245, 240, 230, 0.8);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  position: relative;
  padding-bottom: 0.2rem;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.25rem;
  width: 100%;
  height: 2px;
  background: linear-gradient(120deg, rgba(201, 123, 42, 0.6), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.site-nav a:hover::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 0.35rem;
}

.nav-toggle .bar {
  width: 26px;
  height: 2px;
  background: rgba(245, 240, 230, 0.8);
  transition: var(--transition);
}

.site-footer {
  padding: 0 0 3rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 2.6rem;
  padding: 4.5rem 0 3rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.site-footer .footer-grid,
.footer-meta {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

.footer-brand p {
  color: var(--color-muted);
  max-width: 26ch;
}

.site-footer h4 {
  margin: 0 0 0.8rem;
  font-family: var(--font-serif);
}

.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.site-footer a {
  color: rgba(245, 240, 230, 0.75);
  text-decoration: none;
  font-size: 0.95rem;
}

.site-footer a:hover {
  color: var(--color-accent-soft);
}

.newsletter-form {
  display: grid;
  gap: 0.8rem;
}

.footer-meta {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 1.8rem 0 3rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  color: rgba(245, 240, 230, 0.5);
  font-size: 0.9rem;
}

.footer-meta-links {
  display: inline-flex;
  gap: 1.2rem;
}

.footer-meta-links a {
  color: inherit;
  text-decoration: none;
}

.footer-meta-links a:hover {
  color: var(--color-accent-soft);
}

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

@media (max-width: 960px) {
  .hero-content,
  .heritage-grid,
  .learn-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 6rem;
  }

  .hero-visual {
    order: -1;
  }

  .hero-visual .visual-card {
    margin-bottom: 2rem;
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    right: 1.5rem;
    background: rgba(6, 11, 19, 0.92);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 1.4rem;
    box-shadow: var(--shadow-card);
    display: none;
  }

  .site-nav.open {
    display: block;
  }

  .site-nav ul {
    flex-direction: column;
    gap: 1rem;
  }

  .nav-toggle {
    display: inline-flex;
  }
}

@media (max-width: 640px) {
  .hero {
    padding-top: 5rem;
  }

  .section {
    padding: 4.2rem 0;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .category-grid {
    grid-template-columns: 1fr;
  }

  .card,
  .category-card,
  .panel-card,
  .cta-card {
    padding: 1.8rem;
  }

  .footer-grid {
    padding: 3.5rem 0 2.5rem;
  }

  .footer-meta {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .footer-meta-links {
    justify-content: center;
  }
}