:root {
  --bg: #05060a;
  --bg-soft: #0c101c;
  --bg-glow: radial-gradient(circle at top, rgba(21, 118, 206, 0.45), transparent 55%);
  --text: #f4f6fb;
  --text-muted: #b2bed1;
  --accent: #2bb0e9;
  --accent-strong: #ffdb59;
  --card: rgba(12, 16, 28, 0.75);
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 25px 60px rgba(3, 9, 27, 0.55);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: inherit;
}

img {
  max-width: 100%;
  height: auto;
}

main {
  display: flex;
  flex-direction: column;
  gap: 5rem;
  padding: 2rem clamp(1.5rem, 5vw, 4.5rem) 5rem;
}

.site-header {
  position: sticky;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem clamp(1.5rem, 5vw, 4.5rem);
  background: rgba(5, 7, 15, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 10;
}

.site-nav {
  display: flex;
  gap: 1rem;
  font-weight: 500;
  font-size: 0.95rem;
}

.site-nav a {
  text-decoration: none;
  color: var(--text-muted);
  padding: 0.25rem 0.5rem;
  border-radius: 999px;
  transition: color 0.2s ease, background 0.2s ease;
}

.site-nav a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.4rem;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn.primary {
  background: linear-gradient(120deg, #2bb0e9, #1d7ddc);
  color: #030915;
  box-shadow: 0 15px 35px rgba(43, 176, 233, 0.35);
}

.btn.secondary {
  border-color: rgba(255, 255, 255, 0.4);
  color: var(--text);
  background: transparent;
}

.btn.ghost {
  border-color: rgba(255, 255, 255, 0.25);
  color: var(--text);
  font-weight: 600;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 20px 40px rgba(3, 9, 27, 0.45);
}

.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 3rem;
  padding-top: 2rem;
  position: relative;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--bg-glow);
  z-index: -1;
  pointer-events: none;
}

.hero-text {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.8rem;
  color: var(--accent);
  margin: 0;
}

h1 {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  font-weight: 600;
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin: 0;
}

.lede {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 52ch;
}

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

.hero-highlights {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.75rem;
}

.hero-highlights li {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.hero-highlights li::before {
  content: '✦';
  color: var(--accent-strong);
}

.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.25rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.05);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
}

.hero-media {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
  padding: clamp(1.25rem, 3vw, 2rem);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  justify-content: center;
  text-align: center;
  height: 100%;
  min-height: 360px;
}

.hero-slideshow {
  position: relative;
  flex: 1;
  border-radius: calc(var(--radius) - 6px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: radial-gradient(circle at top, rgba(43, 176, 233, 0.18), transparent 55%),
    rgba(3, 9, 27, 0.85);
  overflow: hidden;
  isolation: isolate;
}

.hero-slide {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  opacity: 0;
  animation: hero-fade 20s infinite;
}

.hero-slide img {
  width: min(80%, 420px);
  max-height: min(65%, 360px);
  object-fit: contain;
  filter: drop-shadow(0 18px 40px rgba(3, 9, 27, 0.7));
}

.hero-slide figcaption {
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.hero-media-note {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

@keyframes hero-fade {
  0% {
    opacity: 1;
  }
  20% {
    opacity: 1;
  }
  30% {
    opacity: 0;
  }
  95% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

.section-heading {
  max-width: 720px;
}

h2 {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin-bottom: 0.5rem;
}

.feature-grid .grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.5rem;
}

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

.card h3 {
  margin-top: 0;
  font-size: 1.2rem;
}

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

.download-hero {
  align-items: stretch;
}

.download-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  padding: 2.5rem;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 12px);
  box-shadow: var(--shadow);
}

.brand-pills {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.arch-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.arch-pills .chip {
  background: rgba(43, 176, 233, 0.15);
  border-color: rgba(43, 176, 233, 0.5);
  color: var(--accent);
}

.brand-pills h2 {
  margin-bottom: 0;
}

.pill-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.75rem;
}

.pill-grid a {
  text-decoration: none;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.65rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(255, 255, 255, 0.04);
  font-weight: 500;
  transition: border 0.2s ease, transform 0.2s ease;
}

.pill-grid a span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.pill-grid a:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 219, 89, 0.8);
}

.download-brand {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.download-brand + .download-brand {
  margin-top: 3.5rem;
}

.brand-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.25rem;
}

.device-card {
  text-decoration: none;
  color: var(--text);
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 1.25rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: transform 0.2s ease, border 0.2s ease;
}

.device-card:hover {
  transform: translateY(-3px);
  border-color: rgba(43, 176, 233, 0.6);
}

.device-media {
  background: rgba(255, 255, 255, 0.03);
  border-radius: calc(var(--radius) - 6px);
  padding: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.device-media img {
  max-height: 140px;
  object-fit: contain;
  filter: drop-shadow(0 12px 24px rgba(3, 9, 27, 0.65));
}

.device-body h3 {
  margin: 0 0 0.35rem;
  font-size: 1.1rem;
}

.device-body p {
  margin: 0 0 0.75rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.device-body .chip {
  align-self: flex-start;
  font-size: 0.75rem;
}

.games-hero .hero-media img {
  object-fit: cover;
  border-radius: calc(var(--radius) - 6px);
}

.games-legal {
  margin: 2rem 0 3rem;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 8px);
  padding: 1.75rem;
  color: var(--text-muted);
}

.games-platform {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.game-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}

.game-card img {
  width: 100%;
  object-fit: cover;
  max-height: 200px;
  border-top-left-radius: var(--radius);
  border-top-right-radius: var(--radius);
}

.game-body {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.25rem;
}

.game-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.game-body dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.4rem 0.75rem;
  margin: 0;
}

.game-body dt {
  font-weight: 600;
  color: var(--text-muted);
}

.game-body dd {
  margin: 0;
}

.device-hero .hero-highlights {
  margin-top: 1.5rem;
}

.device-specs {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 10px);
  padding: 3rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}

.spec-card {
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.spec-card h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.install-notes {
  background: linear-gradient(120deg, rgba(18, 32, 64, 0.8), rgba(8, 20, 40, 0.85));
  border-radius: calc(var(--radius) + 12px);
  border: 1px solid rgba(43, 176, 233, 0.3);
  padding: 3rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.stack-card {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
  padding: 2.5rem;
  background: linear-gradient(135deg, rgba(20, 36, 77, 0.75), rgba(17, 63, 121, 0.7));
  border-radius: calc(var(--radius) + 6px);
  border: 1px solid rgba(64, 132, 255, 0.3);
  box-shadow: var(--shadow);
}

.stack-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
}

.stack-list li {
  padding-left: 1.5rem;
  position: relative;
  margin-bottom: 0.4rem;
}

.stack-list li::before {
  content: '';
  position: absolute;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  left: 0;
  top: 0.65rem;
  transform: translateY(-50%);
  background: var(--accent);
}

.stack-logo-marquee {
  overflow: hidden;
  background: rgba(0, 0, 0, 0.25);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  position: relative;
  display: flex;
  align-items: stretch;
}

.stack-logo-marquee::after,
.stack-logo-marquee::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 4rem;
  pointer-events: none;
}

.stack-logo-marquee::before {
  left: 0;
  background: linear-gradient(90deg, var(--bg-soft), transparent);
}

.stack-logo-marquee::after {
  right: 0;
  background: linear-gradient(270deg, var(--bg-soft), transparent);
}

.stack-logo-track {
  --logo-gap: clamp(1rem, 3vw, 1.75rem);
  display: flex;
  gap: var(--logo-gap);
  width: max-content;
  animation: stack-marquee 32s linear infinite;
  padding: clamp(1.25rem, 3vw, 1.85rem) clamp(1.5rem, 4vw, 2.75rem);
  min-height: 100%;
  box-sizing: border-box;
}

.stack-logo-marquee:hover .stack-logo-track {
  animation-play-state: paused;
}

.stack-logo {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: calc(var(--radius) - 6px);
  padding: clamp(0.9rem, 2vw, 1.35rem);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 0.85rem;
  background: rgba(5, 7, 15, 0.85);
  min-width: clamp(160px, 14vw, 260px);
  height: 100%;
}

.stack-logo img {
  flex: 1;
  width: 100%;
  max-height: none;
  object-fit: contain;
  filter: drop-shadow(0 18px 32px rgba(3, 9, 27, 0.55));
}

.stack-logo figcaption {
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
}

@keyframes stack-marquee {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .stack-logo-track,
  .hero-slide {
    animation: none !important;
  }
  .hero-slide {
    opacity: 0;
  }
  .hero-slide:first-child {
    opacity: 1;
  }
}

.hardware-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.get-started {
  background: radial-gradient(circle at top left, rgba(255, 219, 89, 0.15), transparent 45%),
    var(--bg-soft);
  padding: 3rem;
  border-radius: calc(var(--radius) + 10px);
  border: 1px solid var(--border);
}

.steps {
  counter-reset: steps;
  display: grid;
  gap: 1.25rem;
  list-style: none;
  margin: 2rem 0;
  padding: 0;
}

.steps li {
  padding-left: 3.5rem;
  position: relative;
  border-left: 1px solid rgba(255, 255, 255, 0.15);
  padding-bottom: 0.5rem;
}

.steps li::before {
  counter-increment: steps;
  content: counter(steps, decimal-leading-zero);
  position: absolute;
  left: -14px;
  top: 0;
  width: 2.8rem;
  height: 2.8rem;
  border-radius: 50%;
  background: rgba(43, 176, 233, 0.25);
  border: 1px solid rgba(43, 176, 233, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: var(--accent);
}

.cta-panel {
  margin-top: 1.5rem;
  padding: 1.5rem;
  border-radius: var(--radius);
  border: 1px dashed rgba(255, 255, 255, 0.2);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
}

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

.community-card {
  border: 1px solid var(--border);
  padding: 1.25rem;
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--text);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.04);
  transition: transform 0.2s ease, border 0.2s ease;
}

.community-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 219, 89, 0.8);
}

.community-card .arrow {
  font-size: 1.5rem;
  color: var(--accent-strong);
}

.site-footer {
  padding: 2rem;
  text-align: center;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  background: #05060d;
}

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

.small {
  font-size: 0.85rem;
}

@media (max-width: 900px) {
  .site-header {
    flex-wrap: wrap;
    gap: 1rem;
  }

  .site-nav {
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero {
    position: relative;
  }

  .get-started {
    padding: 2rem;
  }
}

@media (max-width: 600px) {
  .site-nav {
    display: none;
  }

  main {
    padding: 1.5rem;
  }

  .site-header {
    justify-content: space-between;
  }

  .download-summary {
    padding: 1.5rem;
  }

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

  .device-specs,
  .install-notes {
    padding: 2rem;
  }

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