:root {
  --void-black: #050510;
  --deep-space: #0a0e27;
  --card-surface: #141b3d;
  --neon-cyan: #00f5ff;
  --electric-purple: #9d4edd;
  --plasma-pink: #ff006e;
  --reactor-gold: #ffd447;
  --energy-green: #39ff8a;
  --frost-blue: #6ec8ff;
  --lava-orange: #ff7a2f;
  --radiation-lime: #b8ff3c;
  --star-white: #f0f4ff;
  --muted-text: #8892b0;
  --header-height: 72px;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow-glow: 0 0 40px rgba(0, 245, 255, 0.12);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Outfit", system-ui, -apple-system, sans-serif;
  color: var(--star-white);
  background:
    radial-gradient(circle at 85% 10%, rgba(157, 78, 221, 0.18), transparent 42%),
    radial-gradient(circle at 10% 90%, rgba(0, 245, 255, 0.12), transparent 38%),
    linear-gradient(145deg, var(--void-black), var(--deep-space) 55%, #101735);
  min-height: 100vh;
  overflow-x: hidden;
}

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

a {
  color: var(--neon-cyan);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

#particle-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.grid-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.35;
  background-image:
    linear-gradient(rgba(0, 245, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 245, 255, 0.05) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(circle at center, black 35%, transparent 100%);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  backdrop-filter: blur(16px);
  background: rgba(5, 5, 16, 0.72);
  border-bottom: 1px solid rgba(0, 245, 255, 0.12);
}

.header-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--star-white);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
}

.brand img {
  border-radius: 10px;
  box-shadow: 0 0 18px rgba(0, 245, 255, 0.35);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.site-nav a {
  color: var(--muted-text);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: color 0.2s ease;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--neon-cyan);
  text-decoration: none;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(0, 245, 255, 0.25);
  border-radius: 12px;
  background: rgba(20, 27, 61, 0.8);
  padding: 10px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--neon-cyan);
  border-radius: 2px;
}

main {
  position: relative;
  z-index: 1;
  padding-top: var(--header-height);
}

.section,
.hero {
  max-width: 1180px;
  margin: 0 auto;
  padding: 88px 24px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--neon-cyan);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.15;
}

h1 {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 900;
}

h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
}

h3 {
  font-size: 1.2rem;
  font-weight: 700;
}

.gradient-text {
  background: linear-gradient(90deg, var(--neon-cyan), var(--electric-purple));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.section-head {
  max-width: 720px;
  margin-bottom: 40px;
}

.section-head p:last-child {
  margin: 14px 0 0;
  color: var(--muted-text);
  font-size: 1.05rem;
  line-height: 1.7;
}

.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
  min-height: calc(100vh - var(--header-height));
  padding-top: 48px;
  padding-bottom: 48px;
}

.hero-lead {
  margin: 18px 0 28px;
  color: var(--muted-text);
  font-size: 1.08rem;
  line-height: 1.75;
  max-width: 560px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 32px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 14px;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  text-decoration: none;
}

.btn-primary {
  color: var(--void-black);
  background: linear-gradient(135deg, var(--neon-cyan), #7df9ff);
  box-shadow: 0 10px 30px rgba(0, 245, 255, 0.25);
}

.btn-ghost {
  color: var(--star-white);
  border: 1px solid rgba(0, 245, 255, 0.35);
  background: rgba(20, 27, 61, 0.55);
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.stat-chip {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 14px;
  background: rgba(20, 27, 61, 0.72);
  border: 1px solid rgba(0, 245, 255, 0.14);
}

.stat-chip strong {
  display: block;
  font-size: 1.2rem;
  line-height: 1;
}

.stat-chip span {
  color: var(--muted-text);
  font-size: 0.82rem;
}

.hero-arena {
  position: relative;
  width: min(100%, 460px);
  aspect-ratio: 1;
  margin: 0 auto;
  display: grid;
  place-items: center;
}

.arena-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(0, 245, 255, 0.18);
}

.ring-1 {
  inset: 8%;
  animation: pulse-ring 4s ease-in-out infinite;
}

.ring-2 {
  inset: 18%;
  border-color: rgba(157, 78, 221, 0.22);
  animation: pulse-ring 4s ease-in-out infinite 0.8s;
}

.ring-3 {
  inset: 30%;
  border-color: rgba(255, 0, 110, 0.18);
  animation: pulse-ring 4s ease-in-out infinite 1.6s;
}

.reactor-core {
  width: 42%;
  z-index: 3;
  filter: drop-shadow(0 0 28px rgba(0, 245, 255, 0.45));
  animation: core-pulse 3s ease-in-out infinite;
}

.orbit-track {
  position: absolute;
  inset: 0;
  z-index: 2;
}

.orbit-enemy {
  position: absolute;
  width: 56px;
  height: 56px;
  left: 50%;
  top: 50%;
  margin: -28px 0 0 -28px;
  transform-origin: center;
  filter: drop-shadow(0 0 10px rgba(255, 0, 110, 0.35));
  pointer-events: none;
}

.projectile {
  position: absolute;
  width: 28px;
  opacity: 0.85;
  z-index: 4;
  filter: drop-shadow(0 0 8px rgba(0, 245, 255, 0.5));
}

.projectile-laser {
  top: 18%;
  right: 22%;
  animation: float-projectile 5s ease-in-out infinite;
}

.projectile-plasma {
  bottom: 24%;
  left: 16%;
  animation: float-projectile 6s ease-in-out infinite 0.5s;
}

.projectile-lightning {
  top: 30%;
  left: 10%;
  animation: float-projectile 4.5s ease-in-out infinite 1s;
}

.projectile-pulse {
  bottom: 18%;
  right: 14%;
  animation: float-projectile 5.5s ease-in-out infinite 1.5s;
}

.neon-card {
  position: relative;
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(20, 27, 61, 0.95), rgba(10, 14, 39, 0.92));
  border: 1px solid rgba(0, 245, 255, 0.14);
  box-shadow: var(--shadow-glow);
  overflow: hidden;
}

.neon-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, transparent, var(--accent, var(--neon-cyan)), transparent);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0.55;
  pointer-events: none;
}

.neon-card[data-accent="cyan"] { --accent: var(--neon-cyan); }
.neon-card[data-accent="purple"] { --accent: var(--electric-purple); }
.neon-card[data-accent="pink"] { --accent: var(--plasma-pink); }
.neon-card[data-accent="gold"] { --accent: var(--reactor-gold); }
.neon-card[data-accent="frost"] { --accent: var(--frost-blue); }
.neon-card[data-accent="lime"] { --accent: var(--radiation-lime); }
.neon-card[data-accent="orange"] { --accent: var(--lava-orange); }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.feature-card {
  display: flex;
  flex-direction: column;
}

.card-visual {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.card-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-body {
  padding: 22px;
}

.card-body p {
  margin: 10px 0 0;
  color: var(--muted-text);
  line-height: 1.65;
}

.fusion-banner {
  margin-top: 24px;
  padding: 24px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.fusion-copy p {
  margin: 10px 0 0;
  color: var(--muted-text);
  line-height: 1.65;
  max-width: 640px;
}

.fusion-icons {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.fusion-icons img {
  width: 42px;
  filter: drop-shadow(0 0 10px rgba(255, 212, 71, 0.35));
}

.fusion-plus,
.fusion-arrow {
  color: var(--reactor-gold);
  font-weight: 800;
  font-size: 1.2rem;
}

.reactor-carousel {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

.reactor-card {
  padding: 18px 16px 20px;
  text-align: center;
  border-radius: var(--radius);
  background: rgba(20, 27, 61, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  cursor: default;
}

.reactor-card img {
  width: 88px;
  height: 88px;
  margin: 0 auto 14px;
  object-fit: contain;
  filter: drop-shadow(0 0 12px rgba(0, 245, 255, 0.2));
}

.reactor-card p {
  margin: 8px 0 0;
  color: var(--muted-text);
  font-size: 0.88rem;
  line-height: 1.5;
}

.reactor-card.is-active,
.reactor-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent, var(--neon-cyan));
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.28), 0 0 24px color-mix(in srgb, var(--accent, var(--neon-cyan)) 25%, transparent);
}

.reactor-card[data-accent="cyan"] { --accent: var(--neon-cyan); }
.reactor-card[data-accent="gold"] { --accent: var(--reactor-gold); }
.reactor-card[data-accent="pink"] { --accent: var(--plasma-pink); }
.reactor-card[data-accent="purple"] { --accent: var(--electric-purple); }
.reactor-card[data-accent="frost"] { --accent: var(--frost-blue); }

.zone-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.zone-card {
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(20, 27, 61, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.zone-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 30px rgba(0, 0, 0, 0.28), 0 0 20px color-mix(in srgb, var(--accent, var(--neon-cyan)) 22%, transparent);
}

.zone-card img {
  width: 100%;
  height: 140px;
  object-fit: cover;
}

.zone-info {
  padding: 16px 18px 18px;
}

.zone-info p {
  margin: 8px 0 0;
  color: var(--muted-text);
  font-size: 0.9rem;
  line-height: 1.55;
}

.zone-card[data-accent="frost"] { --accent: var(--frost-blue); }
.zone-card[data-accent="cyan"] { --accent: var(--neon-cyan); }
.zone-card[data-accent="lime"] { --accent: var(--radiation-lime); }
.zone-card[data-accent="orange"] { --accent: var(--lava-orange); }
.zone-card[data-accent="purple"] { --accent: var(--electric-purple); }
.zone-card[data-accent="pink"] { --accent: var(--plasma-pink); }

.boss-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 22px;
  margin-top: 36px;
  padding: 28px;
  border-radius: var(--radius);
  background: rgba(5, 5, 16, 0.45);
  border: 1px dashed rgba(255, 0, 110, 0.25);
}

.boss-row img {
  width: 92px;
  filter: drop-shadow(0 0 14px rgba(255, 0, 110, 0.28));
  animation: boss-float 4s ease-in-out infinite;
}

.boss-row img:nth-child(2) { animation-delay: 0.5s; }
.boss-row img:nth-child(3) { animation-delay: 1s; }
.boss-row img:nth-child(4) { animation-delay: 1.5s; }

.legal-panel {
  padding: 32px 34px;
  line-height: 1.75;
}

.legal-panel h3 {
  margin-top: 28px;
  margin-bottom: 8px;
  color: var(--star-white);
}

.legal-panel h3:first-of-type {
  margin-top: 18px;
}

.legal-panel p,
.legal-panel li {
  color: var(--muted-text);
}

.legal-panel ul {
  margin: 10px 0 0;
  padding-left: 22px;
}

.support-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 22px;
  align-items: start;
}

.support-contact {
  padding: 28px;
}

.support-contact p {
  color: var(--muted-text);
  line-height: 1.65;
}

.support-contact .btn {
  margin-top: 18px;
  width: 100%;
}

.support-note {
  margin-top: 14px !important;
  font-size: 0.88rem;
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-item {
  padding: 0;
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 22px;
  font-weight: 700;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  float: right;
  color: var(--accent, var(--neon-cyan));
  font-size: 1.2rem;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item p {
  margin: 0;
  padding: 0 22px 18px;
  color: var(--muted-text);
  line-height: 1.65;
}

.site-footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid rgba(0, 245, 255, 0.1);
  background: rgba(5, 5, 16, 0.85);
  padding: 32px 24px 40px;
}

.footer-inner {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  gap: 18px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-brand span {
  display: block;
  color: var(--muted-text);
  font-size: 0.9rem;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.footer-nav a {
  color: var(--muted-text);
  font-weight: 600;
}

.footer-copy {
  margin: 0;
  color: var(--muted-text);
  font-size: 0.88rem;
}

@keyframes pulse-ring {
  0%, 100% { transform: scale(1); opacity: 0.55; }
  50% { transform: scale(1.03); opacity: 1; }
}

@keyframes core-pulse {
  0%, 100% { transform: scale(1); filter: drop-shadow(0 0 28px rgba(0, 245, 255, 0.45)); }
  50% { transform: scale(1.04); filter: drop-shadow(0 0 42px rgba(157, 78, 221, 0.55)); }
}

@keyframes float-projectile {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-10px) rotate(8deg); }
}

@keyframes boss-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-arena {
    order: -1;
    width: min(100%, 360px);
  }

  .feature-grid,
  .zone-grid {
    grid-template-columns: 1fr 1fr;
  }

  .reactor-carousel {
    grid-template-columns: repeat(3, 1fr);
  }

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

@media (max-width: 720px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 24px 20px;
    background: rgba(5, 5, 16, 0.96);
    border-bottom: 1px solid rgba(0, 245, 255, 0.12);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
  }

  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .site-nav a {
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }

  .feature-grid,
  .zone-grid,
  .reactor-carousel {
    grid-template-columns: 1fr;
  }

  .fusion-banner {
    flex-direction: column;
    align-items: flex-start;
  }

  .section,
  .hero {
    padding-top: 64px;
    padding-bottom: 64px;
  }

  .legal-panel {
    padding: 24px 20px;
  }
}