:root {
  /* Colors */
  --bg-primary: #000000;
  --bg-secondary: #05070d;
  --glass-surface: rgba(255, 255, 255, 0.04);
  --glass-border: rgba(255, 255, 255, 0.1);
  --text-primary: #f9fafb;
  --text-secondary: #cbd5f5;
  --text-muted: #6b7280;
  
  /* Accents */
  --accent-purple-start: #6d28d9;
  --accent-purple-end: #9333ea;
  --accent-cyan-start: #06b6d4;
  --accent-cyan-end: #22d3ee;
  --accent-gold-start: #facc15;
  --accent-gold-end: #fde047;
  
  /* Gradients */
  --grad-primary: linear-gradient(135deg, var(--accent-purple-start), var(--accent-purple-end));
  --grad-secondary: linear-gradient(135deg, var(--accent-cyan-start), var(--accent-cyan-end));
  --grad-highlight: linear-gradient(135deg, var(--accent-gold-start), var(--accent-gold-end));
  --grad-premium: linear-gradient(135deg, var(--accent-purple-start), var(--accent-cyan-start));
  --grad-cosmic-border: linear-gradient(135deg, #6d28d9, #06b6d4, #facc15, #6d28d9);

  /* Glows */
  --glow-purple: rgba(147, 51, 234, 0.45);
  --glow-cyan: rgba(34, 211, 238, 0.45);
  --glow-gold: rgba(250, 204, 21, 0.35);

  /* Layout */
  --container-max: 1280px;
  --space-desktop: 120px;
  --space-tablet: 80px;
  --space-mobile: 60px;
  
  /* Fonts */
  --font-display: 'Orbitron', sans-serif;
  --font-body: 'Inter', sans-serif;
}

/* Reset & Basics */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  width: 100%;
  min-height: 100vh;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  overflow-x: hidden;
  scroll-behavior: smooth;
  line-height: 1.6;
}

body::before {
  content: "";
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
  background-image: url('images/galaxy-stars-black-background.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.3;
  z-index: -2;
  pointer-events: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 1px;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.3s ease;
}

ul {
  list-style: none;
}

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

/* Utilities */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
}

.section-spacing {
  padding: var(--space-mobile) 0;
}
@media (min-width: 768px) { .section-spacing { padding: var(--space-tablet) 0; } }
@media (min-width: 1024px) { .section-spacing { padding: var(--space-desktop) 0; } }

.text-gradient {
  background: var(--grad-premium);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.glass-panel {
  background: var(--glass-surface);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
}

/* Grid Layouts */
.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 20px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: 22px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  border: none;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn-primary {
  background: var(--grad-premium);
  color: #fff;
  box-shadow: 0 0 15px var(--glow-purple);
}

.btn-primary:hover {
  box-shadow: 0 0 25px var(--glow-cyan);
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
  background: var(--glass-surface);
  border-color: var(--accent-cyan-start);
  box-shadow: 0 0 15px var(--glow-cyan);
}

/* Header */
.astro-bar {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 40px);
  max-width: var(--container-max);
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 30px;
  z-index: 1000;
  border-radius: 22px;
  box-shadow: 0 0 20px rgba(109, 40, 217, 0.15), inset 0 0 10px rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(147, 51, 234, 0.3);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
}

.logo-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--grad-primary);
  box-shadow: 0 0 10px var(--glow-purple);
  position: relative;
}

.logo-icon::after {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 40px; height: 10px;
  border-radius: 50%;
  border: 2px solid var(--accent-cyan-start);
  border-top-color: transparent;
  border-bottom-color: transparent;
}

.nav-links {
  display: flex;
  gap: 30px;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 5px 0;
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0;
  width: 0%; height: 2px;
  background: var(--grad-secondary);
  box-shadow: 0 0 8px var(--glow-cyan);
  transition: width 0.3s ease;
}

.nav-links a:hover {
  color: #fff;
}

.nav-links a:hover::after {
  width: 100%;
}

.header-cta .btn {
  padding: 10px 24px;
  font-size: 0.9rem;
}

.mobile-menu-btn {
  display: none;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
}

.mobile-nav {
  display: none;
  position: fixed;
  top: 100px;
  left: 20px;
  right: 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: 22px;
  padding: 20px;
  z-index: 999;
  flex-direction: column;
  gap: 15px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0,0,0,0.8);
}

.mobile-nav.active {
  display: flex;
  animation: slideDown 0.3s ease forwards;
}

@media (max-width: 900px) {
  .nav-links, .header-cta { display: none; }
  .mobile-menu-btn { display: block; }
}

/* Hero Section */
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding: 0 20px;
}

.hero-bg {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background-image: url('images/space-nebula-purple-cyan-background.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.4;
  z-index: -1;
  animation: pulse-bg 15s ease-in-out infinite alternate;
}

.hero-content {
  max-width: 800px;
  z-index: 1;
  animation: fadeUp 1s ease forwards;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  line-height: 1.1;
  margin-bottom: 20px;
  text-shadow: 0 0 20px rgba(0, 0, 0, 0.8);
}

.hero p {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--text-secondary);
  margin-bottom: 40px;
}

.hero-btns {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Legal Banner */
.legal-banner {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  text-align: center;
  width: 100%;
}

/* Main Game Section */
.game-section {
  position: relative;
  z-index: 2;
}

.game-container {
  max-width: 1200px;
  margin: 0 auto;
}

.game-panel {
  position: relative;
  background: var(--bg-secondary);
  border-radius: 24px;
  padding: 10px;
  transition: transform 0.3s ease;
}

.game-panel::before {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: 26px;
  background: var(--grad-cosmic-border);
  background-size: 300% 300%;
  animation: cosmic-border 6s ease infinite;
  z-index: -1;
  opacity: 0.7;
}

.game-panel:hover {
  transform: scale(1.01);
}

.game-panel:hover::before {
  opacity: 1;
  filter: blur(8px);
}

.iframe-wrapper {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 16px;
  overflow: hidden;
  background: #000;
  position: relative;
}

.iframe-wrapper iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.game-info {
  margin-top: 30px;
  text-align: center;
}

.game-info h2 {
  font-size: 2rem;
  margin-bottom: 10px;
}

.game-info p {
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 20px;
}

/* Features Grid */
.features-section {
  position: relative;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.feature-card {
  padding: 40px 30px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 30px var(--glow-purple);
  border-color: rgba(147, 51, 234, 0.5);
}

.feature-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: var(--glass-surface);
  border: 1px solid var(--accent-cyan-start);
  color: var(--accent-cyan-start);
  font-size: 1.5rem;
  box-shadow: inset 0 0 15px var(--glow-cyan);
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 15px;
  color: #fff;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Interior Pages (About, Contact, Terms, etc) */
.interior-header {
  padding: 180px 20px 80px;
  text-align: center;
  position: relative;
}

.interior-header::before {
  content: "";
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background-image: url('images/sci-fi-hud-interface-panels.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.15;
  z-index: -1;
  mask-image: linear-gradient(to bottom, black 50%, transparent);
  -webkit-mask-image: linear-gradient(to bottom, black 50%, transparent);
}

.content-panel {
  max-width: 900px;
  margin: 0 auto;
  padding: 50px;
}

.content-panel h2 {
  color: var(--accent-cyan-start);
  margin: 30px 0 15px;
}

.content-panel p {
  margin-bottom: 20px;
  color: var(--text-secondary);
}

.content-panel ul {
  margin-bottom: 20px;
  padding-left: 20px;
}

.content-panel ul li {
  color: var(--text-secondary);
  margin-bottom: 10px;
  position: relative;
}

.content-panel ul li::before {
  content: "⚡";
  position: absolute;
  left: -25px;
  color: var(--accent-gold-start);
}

/* Forms */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.form-group input, .form-group textarea {
  width: 100%;
  padding: 15px;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  color: #fff;
  font-family: var(--font-body);
  transition: all 0.3s ease;
}

.form-group input:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--accent-cyan-start);
  box-shadow: 0 0 10px var(--glow-cyan);
}

/* Footer */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--glass-border);
  padding: 60px 20px 30px;
  margin-top: 50px;
  position: relative;
  overflow: hidden;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  max-width: var(--container-max);
  margin: 0 auto;
}

.footer-col h4 {
  font-size: 1.1rem;
  margin-bottom: 20px;
  color: #fff;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

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

.footer-bottom {
  max-width: var(--container-max);
  margin: 40px auto 0;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.05);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Animations */
@keyframes cosmic-border {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse-bg {
  0% { transform: scale(1); opacity: 0.3; }
  100% { transform: scale(1.05); opacity: 0.5; }
}

/* Responsive Overrides */
@media (max-width: 768px) {
  .astro-bar {
    width: 100%;
    border-radius: 0;
    top: 0;
    border-top: none;
    border-left: none;
    border-right: none;
  }
  .content-panel { padding: 30px 20px; }
  .feature-card { padding: 30px 20px; }
}