@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;500;600;700&family=Source+Sans+3:wght@300;400;500;600;700&display=swap');

:root {
  --background: #f7f3ed;
  --background-alt: #efe8dd;
  --surface: #ffffff;
  --surface-muted: #f2ede6;
  --ink: #1f1b16;
  --ink-muted: #6f645b;
  --accent: #8c6a5d;
  --accent-strong: #684a3d;
  --accent-soft: rgba(140, 106, 93, 0.12);
  --border: rgba(32, 27, 22, 0.08);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 12px;
  --shadow-soft: 0 18px 36px rgba(32, 27, 22, 0.08);
  --shadow-subtle: 0 10px 24px rgba(32, 27, 22, 0.06);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Source Sans 3', 'Noto Sans', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at top right, rgba(140, 106, 93, 0.08), transparent 45%),
              radial-gradient(circle at bottom left, rgba(140, 106, 93, 0.06), transparent 50%),
              var(--background);
  line-height: 1.7;
}

a {
  color: var(--accent-strong);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

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

.container {
  width: min(1100px, 92vw);
  margin: 0 auto;
}

/* Navigation */
.navbar {
  position: sticky;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
}

.nav-container {
  width: min(1100px, 92vw);
  margin: 0 auto;
  height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: 'Noto Serif SC', 'Source Serif Pro', serif;
  font-weight: 600;
  font-size: 1.25rem;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.nav-icon {
  font-size: 1.8rem;
}

.nav-title {
  color: inherit;
}

.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 1.25rem;
}

.navbar.scrolled {
  box-shadow: 0 12px 24px rgba(32, 27, 22, 0.08);
  background: rgba(255, 255, 255, 0.96);
}

.nav-item {
  display: flex;
}

.nav-link {
  position: relative;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  font-weight: 500;
  color: var(--ink-muted);
  transition: color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.nav-link:hover,
.nav-link:focus-visible,
.nav-link.active {
  color: var(--accent-strong);
  background: var(--accent-soft);
  box-shadow: inset 0 0 0 1px rgba(140, 106, 93, 0.25);
  text-decoration: none;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  padding: 0.5rem;
  cursor: pointer;
}

.bar {
  width: 26px;
  height: 3px;
  border-radius: 999px;
  background: var(--ink);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.hamburger.active .bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.hamburger.active .bar:nth-child(2) {
  opacity: 0;
}

.hamburger.active .bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Hero */
header {
  padding: 6.5rem 0 4.5rem;
  position: relative;
  overflow: hidden;
}

header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top left, rgba(140, 106, 93, 0.16), transparent 55%),
              linear-gradient(140deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.75));
  z-index: -2;
}

header::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url('world.png') center/cover no-repeat;
  opacity: 0.08;
  mix-blend-mode: multiply;
  z-index: -1;
}

.hero-content {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

.hero-content h1 {
  margin: 0;
  font-family: 'Noto Serif SC', 'Source Serif Pro', serif;
  font-size: clamp(2.2rem, 4vw, 3.3rem);
  font-weight: 600;
  letter-spacing: 0.015em;
}

.hero-content p {
  margin: 1.25rem auto 0;
  font-size: 1.1rem;
  color: var(--ink-muted);
  max-width: 540px;
}

.hero-stats {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1.25rem;
}

.stat-item {
  background: var(--surface);
  padding: 1.5rem 1.25rem;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-subtle);
  border: 1px solid rgba(140, 106, 93, 0.08);
}

.stat-number {
  display: block;
  font-family: 'Noto Serif SC', 'Source Serif Pro', serif;
  font-size: 2.1rem;
  color: var(--accent-strong);
}

.stat-label {
  display: block;
  margin-top: 0.4rem;
  color: var(--ink-muted);
  font-size: 0.95rem;
}

/* City explorer */
.city-explorer {
  padding: 4.5rem 0;
}

.city-explorer .content-grid {
  display: grid;
  grid-template-columns: minmax(220px, 260px) 1fr;
  gap: 2.5rem;
}

#city-list {
  background: var(--surface);
  padding: 2rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.library-panel {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

#city-list h2 {
  margin: 0;
  font-family: 'Noto Serif SC', 'Source Serif Pro', serif;
  font-size: 1.35rem;
  font-weight: 600;
}

.city-btn {
  padding: 0.6rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(140, 106, 93, 0.25);
  background: transparent;
  font: inherit;
  font-weight: 500;
  color: var(--ink-muted);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.city-btn:hover {
  transform: translateX(4px);
  background: var(--accent-soft);
}

.city-btn.active {
  background: rgba(140, 106, 93, 0.2);
  color: var(--accent-strong);
  border-color: rgba(140, 106, 93, 0.4);
}

#library-list,
#bookclub-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.75rem;
}

.library-card {
  background: var(--surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-subtle);
  overflow: hidden;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.library-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 36px rgba(32, 27, 22, 0.12);
}

.library-image {
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.library-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.library-info {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.library-info h3 {
  margin: 0;
  font-family: 'Noto Serif SC', 'Source Serif Pro', serif;
  font-size: 1.25rem;
}

.library-info p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.95rem;
}

/* Games */
.games-section {
  padding: 4.5rem 0 5rem;
  background: var(--surface-muted);
}

.games-section .container {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.games-section h2 {
  margin: 0;
  font-family: 'Noto Serif SC', 'Source Serif Pro', serif;
  font-size: 2rem;
}

.section-desc {
  color: var(--ink-muted);
  margin: 0;
}

.game-container {
  background: var(--surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.game-header h3 {
  margin: 0;
  font-family: 'Noto Serif SC', 'Source Serif Pro', serif;
  font-size: 1.4rem;
}

.game-header p {
  margin: 0.75rem 0 0;
  color: var(--ink-muted);
}

.game-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1rem;
}

.game-stats .stat {
  background: var(--surface-muted);
  border-radius: var(--radius-sm);
  padding: 1rem;
  text-align: center;
}

.game-stats .stat-label {
  display: block;
  font-size: 0.85rem;
  color: var(--ink-muted);
}

.game-stats .stat-value {
  display: block;
  margin-top: 0.4rem;
  font-weight: 600;
  font-size: 1.15rem;
}

.game-area {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.game-instructions {
  font-style: italic;
  color: var(--ink-muted);
}

.game-layout {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.library-categories {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.category {
  background: var(--surface-muted);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  border: 1px solid rgba(140, 106, 93, 0.1);
}

.category h4 {
  margin: 0 0 0.75rem;
  font-size: 1.05rem;
}

.drop-zone {
  min-height: 120px;
  border: 1px dashed rgba(140, 106, 93, 0.35);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.books-container {
  background: var(--surface-muted);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(140, 106, 93, 0.1);
  padding: 1.25rem;
}

.books-title {
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.books-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.book-item {
  background: var(--surface);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.75rem;
  border: 1px solid rgba(140, 106, 93, 0.25);
  cursor: grab;
  transition: transform 0.2s ease;
}

.book-item:active {
  cursor: grabbing;
  transform: scale(0.98);
}

.game-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.game-btn {
  padding: 0.6rem 1.4rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border 0.2s ease;
}

.game-btn.primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.game-btn.primary:hover {
  background: var(--accent-strong);
}

.game-btn.secondary {
  background: transparent;
  color: var(--accent-strong);
  border-color: rgba(140, 106, 93, 0.35);
}

.game-btn.secondary:hover {
  background: var(--accent-soft);
}

.game-result {
  background: var(--surface-muted);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  border: 1px solid rgba(140, 106, 93, 0.1);
}

.result-stats {
  color: var(--ink-muted);
}

/* Detailed informational page */
.hero-section {
  position: relative;
  overflow: hidden;
  padding: 6.5rem 0 5rem;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.94), rgba(239, 232, 221, 0.92));
}

.hero-section::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(140, 106, 93, 0.18), transparent 55%);
  pointer-events: none;
}

.hero-subtitle {
  margin: 1.2rem auto 0;
  max-width: 620px;
  color: var(--ink-muted);
}

.hero-buttons {
  margin: 2.2rem 0 3rem;
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: background 0.2s ease, color 0.2s ease, border 0.2s ease;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.btn-primary:hover {
  background: var(--accent-strong);
}

.btn-secondary {
  background: transparent;
  color: var(--accent-strong);
  border-color: rgba(140, 106, 93, 0.35);
}

.btn-secondary:hover {
  background: var(--accent-soft);
}

.quick-access {
  padding: 4rem 0;
}

.quick-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.75rem;
}

.quick-item {
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.5rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-subtle);
}

.quick-item h3 {
  margin: 1rem 0 0.5rem;
  font-size: 1.15rem;
}

.quick-icon {
  font-size: 1.8rem;
}

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

.services-section h2,
.membership-section h2,
.resources-section h2,
.events-section h2,
.locations-section h2,
.faq-section h2,
.contact-section h2 {
  font-family: 'Noto Serif SC', 'Source Serif Pro', serif;
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.section-subtitle {
  margin: 0 auto 2.5rem;
  max-width: 640px;
  color: var(--ink-muted);
  text-align: center;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.75rem;
}

.service-card {
  background: var(--surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  padding: 1.75rem 1.5rem;
  box-shadow: var(--shadow-subtle);
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.service-icon {
  font-size: 1.6rem;
}

.service-card ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--ink-muted);
}

.membership-section {
  padding: 4.5rem 0;
  background: var(--surface-muted);
}

.membership-content {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) minmax(220px, 0.8fr);
  gap: 2.5rem;
  align-items: start;
}

.membership-info,
.membership-benefits {
  background: var(--surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  padding: 2rem 1.75rem;
  box-shadow: var(--shadow-subtle);
}

.membership-benefits ul {
  margin: 1rem 0 0;
  padding-left: 1.1rem;
  color: var(--ink-muted);
  columns: 2;
  column-gap: 1.5rem;
}

.step-list {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  margin-top: 1.5rem;
}

.step {
  display: flex;
  gap: 1.1rem;
  align-items: flex-start;
}

.step-number {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
}

.step-content h4 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
}

.step-content p {
  margin: 0;
  color: var(--ink-muted);
}

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

.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.75rem;
}

.resource-category {
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.5rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-subtle);
}

.resource-category div {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.resource-category span {
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 0.85rem;
}

.events-section {
  padding: 4.5rem 0;
  background: var(--surface-muted);
}

.events-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.75rem;
}

.event-category {
  background: var(--surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  padding: 1.75rem 1.5rem;
  box-shadow: var(--shadow-subtle);
}

.event-list {
  margin-top: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.event-item h4 {
  margin: 0 0 0.4rem;
}

.event-item p {
  margin: 0;
  color: var(--ink-muted);
}

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

.locations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.75rem;
}

.location-card {
  background: var(--surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  padding: 1.75rem 1.5rem;
  box-shadow: var(--shadow-subtle);
}

.location-features {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.location-features span {
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 0.85rem;
}

.faq-section {
  padding: 4.5rem 0;
  background: var(--surface-muted);
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.75rem;
}

.faq-item {
  background: var(--surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  padding: 1.75rem 1.5rem;
  box-shadow: var(--shadow-subtle);
}

.faq-item h3 {
  margin: 0 0 0.6rem;
  font-size: 1.05rem;
}

.faq-item p {
  margin: 0;
  color: var(--ink-muted);
}

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

.contact-grid {
  display: grid;
  grid-template-columns: minmax(240px, 0.9fr) minmax(260px, 1fr);
  gap: 2.5rem;
}

.contact-info {
  background: var(--surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  padding: 1.85rem 1.6rem;
  box-shadow: var(--shadow-subtle);
}

.contact-info h3 {
  margin-top: 0;
}

.contact-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  margin-top: 1.1rem;
}

.contact-icon {
  font-size: 1.6rem;
}

.contact-form {
  background: var(--surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  padding: 2rem 1.75rem;
  box-shadow: var(--shadow-subtle);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin-bottom: 1rem;
}

.form-group label {
  font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
  border-radius: 12px;
  border: 1px solid rgba(140, 106, 93, 0.3);
  padding: 0.65rem 0.85rem;
  font: inherit;
  transition: border 0.2s ease, box-shadow 0.2s ease;
  background: #fff;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(140, 106, 93, 0.15);
}

/* Footer */
.footer {
  background: linear-gradient(180deg, rgba(140, 106, 93, 0.05), rgba(140, 106, 93, 0.12));
  padding: 4rem 0 2.5rem;
  margin-top: 4rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2rem;
  width: min(1100px, 92vw);
  margin: 0 auto 3rem;
}

.footer-section h3 {
  margin: 0 0 1rem;
  font-family: 'Noto Serif SC', 'Source Serif Pro', serif;
  font-size: 1.1rem;
}

.footer-section p {
  margin: 0;
  color: var(--ink-muted);
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-links a {
  color: var(--ink-muted);
  transition: color 0.2s ease;
}

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

.social-links {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
}

.social-link {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid rgba(140, 106, 93, 0.2);
  transition: background 0.2s ease, transform 0.2s ease;
}

.social-link:hover {
  background: var(--accent-soft);
  transform: translateY(-3px);
}

.contact-info p {
  margin: 0.3rem 0 0;
  color: var(--ink-muted);
}

.footer-bottom {
  border-top: 1px solid rgba(140, 106, 93, 0.2);
  padding-top: 1.5rem;
}

.footer-bottom-content {
  width: min(1100px, 92vw);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  color: var(--ink-muted);
  text-align: center;
}

.footer-bottom-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem;
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: rgba(17, 14, 11, 0.45);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  z-index: 2000;
}

.modal.show {
  opacity: 1;
  pointer-events: auto;
}

.modal.hidden {
  display: flex;
}

.modal-content {
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: 2rem;
  max-width: 520px;
  width: min(520px, 92vw);
  box-shadow: var(--shadow-soft);
  position: relative;
}

.close-btn {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(140, 106, 93, 0.25);
  background: var(--surface);
  color: var(--ink);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
}

.modal-header {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.modal-header img {
  width: 86px;
  height: 86px;
  object-fit: cover;
  border-radius: 18px;
}

.modal-body p {
  margin: 0 0 0.85rem;
  color: var(--ink-muted);
}

/* Utilities */
.hidden {
  display: none;
}

/* Responsive */
@media (max-width: 960px) {
  .nav-menu {
    position: absolute;
    inset: 78px 1rem auto;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.97);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border);
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease;
  }

  .nav-menu.active {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .hamburger {
    display: flex;
  }

  .nav-container {
    position: relative;
  }

  .city-explorer .content-grid {
    grid-template-columns: 1fr;
  }

  #city-list {
    position: relative;
    padding: 1.5rem;
  }

  .membership-content,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .membership-benefits ul {
    columns: 1;
  }
}

@media (max-width: 720px) {
  header {
    padding: 5.5rem 0 3.5rem;
  }

  .game-container {
    padding: 1.5rem;
  }

  .game-controls {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 560px) {
  .nav-container {
    height: 72px;
  }

  .hero-content h1 {
    font-size: clamp(2rem, 8vw, 2.5rem);
  }

  .hero-content p {
    font-size: 1rem;
  }

  .library-card {
    border-radius: 20px;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .services-grid,
  .resources-grid,
  .events-grid,
  .locations-grid,
  .faq-grid {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }
}