:root {
  color-scheme: dark;
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #e9f7ff;
  background: #060a0f;
  accent-color: #00d777;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top, rgba(0, 215, 119, 0.18), transparent 30%),
              radial-gradient(circle at bottom right, rgba(10, 255, 170, 0.12), transparent 25%),
              #020406;
}
button,
a,
input,
textarea {
  font: inherit;
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  max-width: 100%;
  display: block;
}
.page-shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 20px;
}
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 20px 16px;
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(6, 10, 15, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(18px);
}
.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}
.brand .nav-logo {
  width: 48px;
  height: 48px;
  object-fit: contain;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.06);
}
.brand-name {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}
.brand-tag {
  margin: 4px 0 0;
  color: #a4d6e9;
  font-size: 0.95rem;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}
.main-nav a {
  white-space: nowrap;
}

.nav-dropdown {
  position: relative;
}
.dropdown-toggle {
  background: none;
  border: none;
  color: inherit;
  font: inherit;
  cursor: pointer;
  padding: 6px 8px;
  border-radius: 8px;
}
.dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: rgba(3, 11, 18, 0.98);
  border: 1px solid rgba(0, 255, 149, 0.06);
  border-radius: 10px;
  padding: 8px 6px;
  min-width: 220px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  z-index: 50;
}
.nav-dropdown:hover .dropdown-menu,
.dropdown-toggle[aria-expanded="true"] + .dropdown-menu {
  display: block;
}
.dropdown-menu a {
  display: block;
  padding: 8px 12px;
  color: #d8f5ff;
  white-space: nowrap;
}
.main-nav a {
  color: #c8e7ff;
  font-weight: 500;
}
.main-nav a.active,
.main-nav a:hover {
  color: #00ff95;
}
.nav-logo {
  width: 60px;
  height: 60px;
  object-fit: contain;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
}
.nav-toggle {
  display: none;
  border: none;
  background: rgba(0, 215, 119, 0.12);
  color: #fff;
  width: 42px;
  height: 42px;
  border-radius: 12px;
}
.hero-section {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
  padding: 32px 0;
}
.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 20px;
}
.hero-copy .app-logo {
  width: 220px;
  max-width: 100%;
  margin: 0 auto;
}
.hero-right {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: #70ffb6;
  font-size: 0.85rem;
}
.hero-section h1 {
  margin: 0;
  font-size: clamp(2rem, 3.3vw, 3.6rem);
  line-height: 1.03;
  letter-spacing: -0.03em;
}
.hero-section p {
  max-width: 660px;
  color: #ccdce8;
}
.btn-register {
  display: block;
  width: fit-content;
  margin: 16px auto 0;
  padding: 14px 32px;
  background: linear-gradient(135deg, #00d777, #00ff95);
  color: #00220b;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 800;
  font-size: 1.05rem;
  text-align: center;
  transition: all 0.3s ease;
}
.btn-register:hover {
  background: linear-gradient(135deg, #00ff95, #00d777);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 215, 119, 0.3);
}
.hero-grid {
  display: grid;
  grid-template-columns: 212px 1fr;
  align-items: center;
  gap: 24px;
  margin-top: 20px;
}
.app-logo {
  width: 210px;
  border-radius: 24px;
  background: #081012;
  padding: 22px;
  border: 1px solid rgba(0, 255, 149, 0.16);
}
.download-list {
  background: rgba(255, 255, 255, 0.04);
  padding: 22px;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.download-list h2 {
  margin: 0 0 16px;
  font-size: 1.05rem;
}
.download-list ul {
  margin: 0;
  padding: 0;
  list-style: inside disc;
  color: #d0f7ff;
}
.app-table-panel {
  background: rgba(3, 9, 16, 0.9);
  padding: 26px;
  border-radius: 28px;
  border: 1px solid rgba(0, 255, 149, 0.12);
  box-shadow: 0 18px 60px rgba(0, 255, 149, 0.06);
}
.app-table-panel h2 {
  margin: 0 0 18px;
  color: #c8fff0;
}
.app-table-panel table {
  width: 100%;
  border-collapse: collapse;
}
.app-table-panel th,
.app-table-panel td {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.app-table-panel th {
  text-align: left;
  color: #89fdd9;
  width: 40%;
}
.app-table-panel td {
  color: #e2f8ff;
}
.section {
  margin: 22px 0;
  padding: 24px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 22px;
}
.toc-layout {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}
.toc-header-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.toc-header-panel h2 {
  margin: 0;
}
.section-tag {
  padding: 10px 16px;
  background: rgba(0, 217, 119, 0.14);
  color: #8ffdce;
  border-radius: 999px;
  font-size: 0.9rem;
}
.section-header h2 {
  margin: 0;
  font-size: 1.55rem;
}
.toc-card {
  background: rgba(3, 11, 18, 0.92);
  border: 1px solid rgba(0, 255, 149, 0.1);
  border-radius: 26px;
  padding: 24px;
}
.toc-card ol {
  margin: 0;
  padding-left: 18px;
  color: #c7edea;
}
.toc-card a {
  color: #c7edea;
}
.toc-card a:hover {
  color: #7affb8;
}
.content-section {
  padding-top: 12px;
}
.section-body {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(280px, 420px);
  gap: 24px;
  align-items: start;
}
.text-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 24px;
  padding: 24px;
}
.text-card p,
.text-card ul,
.text-card ol {
  margin: 0;
  color: #d8f5ff;
}
.text-card ul,
.text-card ol {
  margin-top: 16px;
  padding-left: 20px;
}
.text-card li {
  margin-bottom: 10px;
}
  .content-section img,
  .section-body img,
  .section-image-panel img {
    width: 100%;
    max-width: 320px;
    height: auto;
    object-fit: contain;
    border-radius: 18px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.18);
    display: block;
    margin: 14px auto 0;
    grid-column: 1 / -1;
    justify-self: center;
  }
  .section-body img {
    align-self: start;
  }
  .section-image-panel {
    display: flex;
    justify-content: center;
  }
.category-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(220px, 1fr));
  gap: 18px;
}
.category-card {
  background: rgba(1, 12, 20, 0.9);
  border: 1px solid rgba(0, 255, 149, 0.1);
  border-radius: 24px;
  padding: 24px;
  min-height: 168px;
}
.category-card h3 {
  margin: 0 0 12px;
}
.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(260px, 1fr));
  gap: 18px;
}
.faq-grid article {
  background: rgba(0, 14, 24, 0.95);
  border: 1px solid rgba(0, 255, 149, 0.09);
  border-radius: 24px;
  padding: 22px;
}
.faq-grid h3 {
  margin: 0 0 10px;
}
/* Game categories panel styles */
.game-categories-panel {
  background: linear-gradient(180deg, rgba(2,20,12,0.95), rgba(3,9,16,0.9));
  padding: 28px;
  border-radius: 20px;
  border: 1px solid rgba(0,255,149,0.06);
}
.categories-header {
  text-align: center;
  margin-bottom: 20px;
}
.header-pill {
  display: inline-block;
  background: #00d777;
  color: #01210b;
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 700;
  margin-bottom: 12px;
}
.categories-header .lead {
  color: #bfeee0;
  max-width: 980px;
  margin: 0 auto;
}
.categories-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 18px;
}
.category-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 28px;
  min-height: 260px;
  background: linear-gradient(180deg, rgba(0,20,12,0.45), rgba(0,8,10,0.35));
  border: 1px solid rgba(0,255,149,0.08);
}
.category-card .icon {
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(0,215,119,0.14), rgba(0,255,149,0.06));
  font-size: 26px;
  margin-bottom: 14px;
}
.category-card h3 {
  margin: 8px 0 10px;
  font-size: 1.05rem;
}
.category-card p {
  color: #c9f6e8;
  font-size: 0.95rem;
}
.btn-explore {
  margin-top: auto;
  display: inline-block;
  padding: 10px 18px;
  background: #00d777;
  color: #00220b;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
}
@media (max-width: 1024px) {
  .categories-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 780px) {
  .categories-grid { grid-template-columns: 1fr; }
  .category-card { min-height: auto; }
  .header-pill { font-size: 0.95rem; padding: 8px 14px; }
}
ol {
  margin: 0;
  padding-left: 20px;
}
ul {
  margin: 0;
  padding-left: 20px;
}
@media (max-width: 1024px) {
  .hero-section,
  .section-body {
    grid-template-columns: 1fr;
  }
  .toc-layout {
    grid-template-columns: 1fr;
  }
  .toc-header-panel {
    align-items: flex-start;
  }
  .app-table-panel {
    margin-top: 12px;
  }
}
@media (max-width: 780px) {
  .site-header {
    flex-wrap: wrap;
    justify-content: center;
    align-items: stretch;
    gap: 14px;
  }
  .brand {
    width: 100%;
    justify-content: center;
  }
  .main-nav {
    display: none;
    width: 100%;
  }
  .main-nav.active {
    display: flex;
    flex-direction: column;
    gap: 12px;
    position: relative;
    margin-top: 10px;
    left: auto;
    right: auto;
    background: rgba(3, 9, 16, 0.98);
    padding: 16px;
    border-radius: 18px;
    border: 1px solid rgba(0,255,149,0.08);
    z-index: 40;
  }
  .main-nav.active a,
  .main-nav.active .dropdown-toggle {
    display: block;
    width: 100%;
    padding: 12px 14px;
    border-radius: 14px;
    background: rgba(255,255,255,0.04);
  }
  .main-nav.active a {
    color: #e6f8ff;
  }
  .main-nav.active a:hover,
  .main-nav.active .dropdown-toggle:hover {
    color: #00ff95;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .main-nav.active .nav-dropdown {
    width: 100%;
  }
  .main-nav.active .dropdown-toggle {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .main-nav.active .dropdown-toggle::after {
    content: '▾';
    margin-left: 8px;
    font-size: 0.95rem;
  }
  .main-nav.active .nav-dropdown .dropdown-menu {
    display: none;
    position: static;
    background: transparent;
    border: none;
    box-shadow: none;
    padding: 0 0 0 12px;
    margin-top: 6px;
  }
  .main-nav.active .nav-dropdown.open .dropdown-menu {
    display: block;
  }
  .main-nav.active .dropdown-menu a {
    padding: 10px 0 10px 18px;
    color: #d8f5ff;
    white-space: normal;
  }
  .main-nav.active .dropdown-menu a:hover {
    color: #00ff95;
  }
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .hero-copy {
    display: flex;
    flex-direction: column;
  }
  .hero-copy .hero-grid {
    order: -1;
    margin-bottom: 20px;
  }
  .hero-copy .btn-register {
    order: 0;
  }
  .main-nav.active {
    row-gap: 10px;
  }
  .main-nav.active a,
  .main-nav.active .dropdown-toggle {
    width: 100%;
  }
  .main-nav.active .dropdown-toggle {
    justify-content: space-between;
  }
  .category-grid,
  .faq-grid {
    grid-template-columns: 1fr;
  }
}