:root {
  --legacy-bg: #050814;
  --legacy-panel: rgba(7, 12, 27, 0.8);
  --legacy-panel-soft: rgba(10, 18, 38, 0.94);
  --legacy-line: rgba(255, 255, 255, 0.12);
  --legacy-text: #f4f8ff;
  --legacy-muted: #93a3c2;
  --legacy-accent: #fc7a1f;
  --legacy-accent-2: #ff9f43;
  --legacy-blue: #3d7bff;
  --legacy-teal: #1fe8f5;
  --legacy-shadow: 0 28px 80px rgba(0, 0, 0, 0.34);
}

html {
  background:
    radial-gradient(circle at 12% 0%, rgba(31, 232, 245, 0.16), transparent 24%),
    radial-gradient(circle at 82% 10%, rgba(61, 123, 255, 0.16), transparent 26%),
    radial-gradient(circle at 50% 100%, rgba(252, 122, 31, 0.12), transparent 28%),
    linear-gradient(180deg, #071022 0%, #040814 40%, #02050d 100%);
  background-color: #040814;
}

body {
  color: var(--legacy-text);
  background:
    radial-gradient(circle at 12% 0%, rgba(31, 232, 245, 0.16), transparent 24%),
    radial-gradient(circle at 82% 10%, rgba(61, 123, 255, 0.16), transparent 26%),
    radial-gradient(circle at 50% 100%, rgba(252, 122, 31, 0.12), transparent 28%),
    linear-gradient(180deg, #071022 0%, #040814 40%, #02050d 100%);
  font-family: "Plus Jakarta Sans", "Avenir Next", "Segoe UI", sans-serif;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.55;
  background:
    linear-gradient(115deg, transparent 0 20%, rgba(31, 232, 245, 0.06) 20% 20.3%, transparent 20.3% 42%, rgba(61, 123, 255, 0.05) 42% 42.3%, transparent 42.3% 100%),
    repeating-linear-gradient(180deg, rgba(255, 255, 255, 0.025) 0 1px, transparent 1px 96px);
  z-index: -1;
}

h1,
h2,
h3,
h4,
th,
blockquote {
  font-family: "Archivo", sans-serif;
}

.site-header,
header {
  border-bottom: 1px solid var(--legacy-line);
  background: rgba(4, 9, 16, 0.72);
  backdrop-filter: blur(18px);
}

.brand-mark,
.mark {
  background: linear-gradient(135deg, var(--legacy-accent), var(--legacy-accent-2));
  box-shadow: none;
}

.brand-text,
.brand-name strong,
.nav a,
.button,
.back {
  color: var(--legacy-text);
}

.brand-name span,
.page-intro,
.section-copy,
.lede,
.info p,
.mini-card p,
.card p,
.project-item p,
.book-callout p,
.footer,
.footer-inner,
.table td,
.table th,
li,
td,
th {
  color: var(--legacy-muted);
}

.nav {
  display: flex;
  justify-content: end;
  flex-wrap: nowrap;
  gap: 16px;
  align-items: flex-end;
  position: relative;
  padding-bottom: 8px;
}

.nav-main {
  display: flex;
  flex-wrap: nowrap;
  align-items: flex-end;
  justify-content: flex-end;
  gap: 16px;
  min-width: 0;
}

.nav-subslot {
  display: flex;
  flex: 0 0 auto;
  align-items: flex-end;
  justify-content: flex-end;
  min-height: 28px;
  min-width: max-content;
}

.nav a {
  padding: 8px 2px 4px;
  border-radius: 0;
  background: transparent;
  font-size: 1.02rem;
  line-height: 1;
  transform-origin: center bottom;
  transition: color 180ms ease, transform 220ms ease;
}

.nav a:hover {
  background: transparent;
  color: rgba(255, 255, 255, 0.8);
  box-shadow: none;
}

.nav a.active {
  background: transparent;
  color: var(--legacy-text);
  transform: scale(1.08);
  box-shadow: none;
}

.nav a.nav-parent {
  color: rgba(255, 255, 255, 0.88);
}

.nav a.nav-subpage {
  padding-inline: 2px;
  color: var(--legacy-text);
  animation: navSubpageIn 240ms cubic-bezier(0.22, 1, 0.36, 1);
}

.nav a.nav-subpage.active {
  transform: scale(1.08);
}

.nav-indicator {
  position: absolute;
  left: 0;
  bottom: 0;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, #ff9a3d, var(--legacy-accent));
  box-shadow: 0 6px 18px rgba(252, 122, 31, 0.34);
  opacity: 0;
}

.nav-indicator.is-visible {
  opacity: 1;
}

.nav-indicator.is-ready {
  transition:
    left 240ms cubic-bezier(0.22, 1, 0.36, 1),
    width 240ms cubic-bezier(0.22, 1, 0.36, 1),
    opacity 140ms ease;
}

@keyframes navSubpageIn {
  0% {
    opacity: 0;
    transform: translateX(10px) scale(0.96);
  }
  100% {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
}

.page-hero,
.section,
.split-panel,
.arcade-hero,
.footer-cta,
.accent-panel,
.project-item,
.game-card,
.card,
.mini-card,
.book-callout,
.watch-shot-card,
.quick-link-card,
.table,
.game-embed-shell,
.game-stage,
.coach-card,
.info,
.prompt-box {
  border-color: var(--legacy-line) !important;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.015)),
    var(--legacy-panel) !important;
  box-shadow: var(--legacy-shadow);
}

.button.primary,
.button-primary,
.primary,
#copyPrompt.button.primary {
  color: #0b1320;
  background: linear-gradient(135deg, var(--legacy-accent), var(--legacy-accent-2));
  box-shadow: none;
}

.button,
.secondary,
.back {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-color: var(--legacy-line);
  background: rgba(255, 255, 255, 0.06);
  line-height: 1;
}

.kicker,
.eyebrow,
.project-kicker {
  color: var(--legacy-accent);
}

.badge,
.fact-pill {
  border-color: rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.05);
  color: var(--legacy-text);
}

.footer-inner {
  border-top: 1px solid var(--legacy-line);
}

.game-preview {
  overflow: hidden;
}

.game-preview img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (max-width: 960px) {
  .nav {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
  }

  .nav-main {
    justify-content: center;
    gap: 14px;
  }

  .nav-subslot {
    justify-content: center;
  }
}

@media (max-width: 720px) {
  .nav {
    align-items: stretch;
    padding-bottom: 2px;
    gap: 8px;
  }

  .nav-main {
    display: flex;
    flex-wrap: nowrap;
    justify-content: flex-start;
    overflow-x: auto;
    gap: 18px;
    scrollbar-width: none;
  }

  .nav-main::-webkit-scrollbar {
    display: none;
  }

  .nav-subslot {
    justify-content: flex-start;
  }

  .nav a {
    padding-bottom: 6px;
    flex: 0 0 auto;
  }

  .nav a.nav-subpage {
    padding: 8px 2px 6px;
  }
}