/* ============================================
   MULTIVERSE STUDIOS — Cosmic Void Aesthetic
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;0,700;1,300;1,400&family=JetBrains+Mono:wght@300;400;500&family=Syne:wght@400;500;600;700;800&display=swap');

/* --- Tokens --- */
:root {
  --void: #050508;
  --void-surface: #0a0a10;
  --void-elevated: #111118;
  --void-border: #1a1a24;

  --ember: #ff6b35;
  --ember-glow: #ff8c5a;
  --biolume: #00ffc8;
  --biolume-dim: #00cc9f;
  --signal: #7b68ee;
  --signal-dim: #5a4fcf;
  --gene-pink: #ff3d7f;
  --star-white: #e8e6f0;
  --dust: #8a8694;
  --ash: #4a4656;

  --font-display: 'Syne', sans-serif;
  --font-body: 'Cormorant Garamond', serif;
  --font-mono: 'JetBrains Mono', monospace;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 8rem;
  --space-2xl: 12rem;

  --max-width: 1200px;
  --max-width-narrow: 800px;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background: var(--void);
  color: var(--star-white);
  font-family: var(--font-body);
  font-size: 1.15rem;
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: var(--biolume); text-decoration: none; transition: color 0.3s; }
a:hover { color: var(--ember-glow); }

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

::selection {
  background: var(--signal);
  color: var(--void);
}

/* --- Starfield Canvas --- */
#starfield {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-sm) var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  backdrop-filter: blur(20px);
  background: rgba(5, 5, 8, 0.7);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  transition: background 0.4s;
}

.nav-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--star-white);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.nav-logo .logo-mark {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--biolume), var(--signal), var(--void));
  box-shadow: 0 0 20px rgba(0, 255, 200, 0.3);
  animation: pulse-glow 4s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(0, 255, 200, 0.3); }
  50% { box-shadow: 0 0 35px rgba(0, 255, 200, 0.5); }
}

.nav-links {
  display: flex;
  gap: var(--space-md);
  list-style: none;
  align-items: center;
}

.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dust);
  transition: color 0.3s;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--biolume);
  transition: width 0.3s;
}

.nav-links a:hover { color: var(--star-white); }
.nav-links a:hover::after { width: 100%; }
.nav-links a.active { color: var(--biolume); }
.nav-links a.active::after { width: 100%; }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--dust);
  transition: all 0.3s;
}

/* --- Hero --- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  position: relative;
}

.hero-overline {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--biolume-dim);
  margin-bottom: var(--space-sm);
  opacity: 0;
  animation: fade-up 1s 0.3s forwards;
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.8rem, 8vw, 6.5rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  max-width: 14ch;
  opacity: 0;
  animation: fade-up 1.2s 0.5s forwards;
}

.hero h1 .accent { color: var(--biolume); }
.hero h1 .ember-accent { color: var(--ember); }

.hero-tagline {
  font-family: var(--font-body);
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 300;
  font-style: italic;
  color: var(--dust);
  margin-top: var(--space-md);
  max-width: 40ch;
  opacity: 0;
  animation: fade-up 1s 0.9s forwards;
}

.hero-actions {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
  flex-wrap: wrap;
  justify-content: center;
  opacity: 0;
  animation: fade-up 1s 1.2s forwards;
}

.hero-scroll {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  opacity: 0;
  animation: fade-up 1s 1.8s forwards;
}

.hero-scroll span {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ash);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.hero-scroll .scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--ash), transparent);
  animation: scroll-pulse 2s ease-in-out infinite;
}

@keyframes scroll-pulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

@keyframes fade-up {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- Buttons --- */
.btn {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.9rem 2.2rem;
  border: none;
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.3s;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}

.btn-primary {
  background: var(--biolume);
  color: var(--void);
}

.btn-primary:hover {
  background: var(--star-white);
  color: var(--void);
  box-shadow: 0 0 40px rgba(0, 255, 200, 0.3);
}

.btn-ember {
  background: var(--ember);
  color: var(--void);
}

.btn-ember:hover {
  background: var(--ember-glow);
  color: var(--void);
  box-shadow: 0 0 40px rgba(255, 107, 53, 0.3);
}

.btn-ghost {
  background: transparent;
  color: var(--dust);
  border: 1px solid var(--void-border);
}

.btn-ghost:hover {
  border-color: var(--biolume-dim);
  color: var(--biolume);
}

.btn-signal {
  background: var(--signal);
  color: var(--star-white);
}

.btn-signal:hover {
  background: var(--signal-dim);
  box-shadow: 0 0 40px rgba(123, 104, 238, 0.3);
}

/* --- Sections --- */
.section {
  padding: var(--space-xl) var(--space-md);
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-narrow {
  max-width: var(--max-width-narrow);
}

.section-full {
  max-width: none;
  padding-left: 0;
  padding-right: 0;
}

.section-divider {
  width: 60px;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--biolume-dim), transparent);
  margin: 0 auto var(--space-lg);
}

.section-overline {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--biolume-dim);
  margin-bottom: var(--space-sm);
}

.section h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-md);
}

.section h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  line-height: 1.2;
  margin-bottom: var(--space-sm);
}

.section p {
  color: var(--dust);
  max-width: 65ch;
}

.section p + p {
  margin-top: var(--space-sm);
}

/* --- Game Cards (Landing) --- */
.games-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.game-card {
  position: relative;
  border: 1px solid var(--void-border);
  border-radius: 4px;
  overflow: hidden;
  background: var(--void-surface);
  transition: all 0.5s;
  display: flex;
  flex-direction: column;
}

.game-card:hover {
  border-color: var(--biolume-dim);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.game-card-visual {
  height: 280px;
  position: relative;
  overflow: hidden;
}

.game-card-visual .card-bg {
  position: absolute;
  inset: 0;
  opacity: 0.6;
  transition: opacity 0.5s, transform 0.5s;
}

.game-card:hover .card-bg {
  opacity: 0.8;
  transform: scale(1.05);
}

.mvee-bg {
  background:
    radial-gradient(ellipse at 20% 80%, rgba(255, 107, 53, 0.3), transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(123, 104, 238, 0.2), transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(0, 255, 200, 0.05), transparent 70%),
    var(--void-surface);
}

.creatures-bg {
  background:
    radial-gradient(ellipse at 30% 70%, rgba(255, 61, 127, 0.3), transparent 60%),
    radial-gradient(ellipse at 70% 30%, rgba(0, 255, 200, 0.2), transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(123, 104, 238, 0.05), transparent 70%),
    var(--void-surface);
}

.game-card-visual .card-tag {
  position: absolute;
  top: var(--space-sm);
  left: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 2px;
  background: rgba(5, 5, 8, 0.7);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.game-card-visual .card-tagline {
  position: absolute;
  bottom: var(--space-md);
  left: var(--space-md);
  right: var(--space-md);
  font-family: var(--font-body);
  font-size: 1.4rem;
  font-style: italic;
  font-weight: 300;
  color: var(--star-white);
  text-shadow: 0 2px 20px rgba(0,0,0,0.8);
}

.game-card-body {
  padding: var(--space-md);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.game-card-body h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  margin-bottom: var(--space-xs);
}

.game-card-body p {
  color: var(--dust);
  font-size: 1rem;
  flex: 1;
}

.game-card-body .card-actions {
  display: flex;
  gap: var(--space-xs);
  margin-top: var(--space-md);
}

/* --- Feature Grid --- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.feature-item {
  padding: var(--space-md);
  border: 1px solid var(--void-border);
  border-radius: 4px;
  background: var(--void-surface);
  transition: border-color 0.3s;
}

.feature-item:hover {
  border-color: var(--ash);
}

.feature-icon {
  font-size: 1.6rem;
  margin-bottom: var(--space-sm);
  display: block;
}

.feature-item h4 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
  margin-bottom: var(--space-xs);
  color: var(--star-white);
}

.feature-item p {
  font-size: 0.95rem;
  color: var(--ash);
}

/* --- Stats Bar --- */
.stats-bar {
  display: flex;
  gap: var(--space-lg);
  justify-content: center;
  flex-wrap: wrap;
  padding: var(--space-lg) var(--space-md);
  border-top: 1px solid var(--void-border);
  border-bottom: 1px solid var(--void-border);
  margin: var(--space-lg) 0;
}

.stat {
  text-align: center;
}

.stat-number {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--biolume);
  line-height: 1;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ash);
  margin-top: 0.4rem;
}

/* --- Blockquote --- */
.pullquote {
  border-left: 2px solid var(--biolume);
  padding-left: var(--space-md);
  margin: var(--space-lg) 0;
  font-family: var(--font-body);
  font-size: 1.5rem;
  font-style: italic;
  font-weight: 300;
  color: var(--star-white);
  max-width: 50ch;
}

.pullquote cite {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-style: normal;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ash);
  margin-top: var(--space-sm);
}

/* --- Species Cards (Creatures) --- */
.species-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.species-card {
  padding: var(--space-md);
  border: 1px solid var(--void-border);
  border-radius: 4px;
  background: var(--void-surface);
  text-align: center;
  transition: all 0.3s;
}

.species-card:hover {
  border-color: var(--gene-pink);
  transform: translateY(-2px);
}

.species-glyph {
  font-size: 2.5rem;
  margin-bottom: var(--space-xs);
  display: block;
}

.species-card h4 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 0.3rem;
  color: var(--star-white);
}

.species-card .species-role {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gene-pink);
  margin-bottom: var(--space-xs);
}

.species-card p {
  font-size: 0.9rem;
  color: var(--ash);
}

/* --- Magic Systems Grid (MVEE) --- */
.magic-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: var(--space-sm);
}

.magic-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  padding: 6px 14px;
  border: 1px solid var(--void-border);
  border-radius: 2px;
  color: var(--dust);
  background: var(--void-surface);
  transition: all 0.3s;
}

.magic-tag:hover {
  border-color: var(--signal);
  color: var(--signal);
  box-shadow: 0 0 15px rgba(123, 104, 238, 0.15);
}

/* --- Timeline (About) --- */
.timeline {
  position: relative;
  margin-top: var(--space-lg);
  padding-left: var(--space-lg);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--biolume), var(--signal), var(--ember), transparent);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--space-lg);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-lg) - 4px);
  top: 8px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--biolume);
  box-shadow: 0 0 12px rgba(0, 255, 200, 0.5);
}

.timeline-item:nth-child(2)::before { background: var(--signal); box-shadow: 0 0 12px rgba(123, 104, 238, 0.5); }
.timeline-item:nth-child(3)::before { background: var(--ember); box-shadow: 0 0 12px rgba(255, 107, 53, 0.5); }
.timeline-item:nth-child(4)::before { background: var(--gene-pink); box-shadow: 0 0 12px rgba(255, 61, 127, 0.5); }

.timeline-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--biolume-dim);
  margin-bottom: 0.3rem;
}

/* --- CTA Band --- */
.cta-band {
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  background: linear-gradient(180deg, transparent, rgba(0, 255, 200, 0.02), transparent);
  border-top: 1px solid var(--void-border);
}

.cta-band h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 4vw, 3rem);
  margin-bottom: var(--space-sm);
}

.cta-band p {
  color: var(--dust);
  margin: 0 auto var(--space-md);
  max-width: 50ch;
}

.cta-band .cta-actions {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Footer --- */
.footer {
  padding: var(--space-lg) var(--space-md);
  border-top: 1px solid var(--void-border);
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer-brand .footer-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--star-white);
  margin-bottom: var(--space-xs);
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--ash);
  max-width: 30ch;
}

.footer-col h5 {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--dust);
  margin-bottom: var(--space-sm);
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-col a {
  font-size: 0.9rem;
  color: var(--ash);
}

.footer-col a:hover {
  color: var(--star-white);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-md);
  border-top: 1px solid var(--void-border);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  color: var(--ash);
}

/* --- Scroll Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Grain Overlay --- */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* --- Responsive --- */
@media (max-width: 900px) {
  .games-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-md); }
  .stats-bar { gap: var(--space-md); }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(5, 5, 8, 0.95);
    backdrop-filter: blur(20px);
    padding: var(--space-md);
    border-bottom: 1px solid var(--void-border);
  }
  .footer-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: clamp(2.2rem, 10vw, 3.5rem); }
  .timeline { padding-left: var(--space-md); }
  .timeline-item::before { left: calc(-1 * var(--space-md) - 4px); }
  .features-grid { grid-template-columns: 1fr; }
  .species-grid { grid-template-columns: 1fr 1fr; }
}

/* --- Page-specific hero variants --- */
.hero-mvee {
  background:
    radial-gradient(ellipse at 20% 80%, rgba(255, 107, 53, 0.08), transparent 50%),
    radial-gradient(ellipse at 80% 30%, rgba(123, 104, 238, 0.06), transparent 50%);
}

.hero-creatures {
  background:
    radial-gradient(ellipse at 30% 70%, rgba(255, 61, 127, 0.08), transparent 50%),
    radial-gradient(ellipse at 70% 20%, rgba(0, 255, 200, 0.06), transparent 50%);
}

.hero-about {
  background:
    radial-gradient(ellipse at 50% 80%, rgba(123, 104, 238, 0.08), transparent 50%),
    radial-gradient(ellipse at 50% 20%, rgba(0, 255, 200, 0.04), transparent 50%);
}

/* Screenshot gallery responsive */
@media (max-width: 600px) {
  .screenshot-2col { grid-template-columns: 1fr !important; }
  .screenshot-3col { grid-template-columns: 1fr !important; }
}