/* Synapse Hub - Global Stylesheet */

:root {
  --primary: #7C3AED;
  --primary-dark: #6D28D9;
  --primary-light: #A78BFA;
  --bg-dark: #0e0c15;
  --bg-card: #1a1523;
  --text-light: #f4f2fb;
  --text-muted: #b8b5c8;
  --border: #2d2639;
  --success: #10b981;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 20px 25px rgba(0, 0, 0, 0.4);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-light);
  line-height: 1.6;
  font-size: 16px;
}

/* Typography */

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2rem, 8vw, 4rem);
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(1.5rem, 5vw, 2.5rem);
  margin-bottom: 1.5rem;
  margin-top: 2rem;
}

h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

p {
  margin-bottom: 1rem;
  color: var(--text-muted);
  line-height: 1.7;
}

strong {
  color: var(--text-light);
  font-weight: 600;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--primary-light);
}

/* Layout */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  gap: 0.5rem;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--bg-dark);
}

.btn-primary:hover {
  background-color: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 12px rgba(124, 58, 237, 0.3);
}

.btn-secondary {
  background-color: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-secondary:hover {
  background-color: var(--primary);
  color: var(--bg-dark);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
}

/* Header */

header {
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-light);
}

.logo-mark {
  width: 40px;
  height: 40px;
}

nav {
  display: flex;
  gap: 2rem;
  align-items: center;
}

nav a {
  color: var(--text-muted);
  font-weight: 500;
  transition: color 0.2s ease;
}

nav a:hover,
nav a.active {
  color: var(--primary);
}

/* Hero Section */

.hero {
  padding: 4rem 1.5rem;
  text-align: center;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.1) 0%, rgba(26, 21, 35, 1) 50%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  z-index: -1;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero-mark {
  width: 100px;
  height: 100px;
  margin: 0 auto 2rem;
  animation: float 3s ease-in-out infinite;
}

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

.hero h1 {
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--text-light) 0%, var(--primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

/* Features Grid */

.section {
  padding: 4rem 1.5rem;
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.feature-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 2rem;
  transition: all 0.3s ease;
}

.feature-card:hover {
  border-color: var(--primary);
  box-shadow: 0 8px 16px rgba(124, 58, 237, 0.15);
  transform: translateY(-4px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background-color: rgba(124, 58, 237, 0.15);
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.feature-card h3 {
  margin-bottom: 0.75rem;
  color: var(--text-light);
}

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

/* How It Works */

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.step {
  text-align: center;
  position: relative;
}

.step-number {
  width: 60px;
  height: 60px;
  background-color: var(--primary);
  color: var(--bg-dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0 auto 1.5rem;
}

.step h3 {
  margin-bottom: 0.75rem;
}

.step p {
  font-size: 0.95rem;
}

/* Showcase */

.showcase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.game-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  overflow: hidden;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

.game-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(124, 58, 237, 0.2);
}

.game-card.featured {
  grid-column: span 1;
  border-color: var(--primary);
  box-shadow: 0 0 24px rgba(124, 58, 237, 0.2);
}

@media (min-width: 768px) {
  .game-card.featured {
    grid-column: span 1;
  }
}

.game-cover {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  font-weight: 700;
  color: var(--text-light);
  position: relative;
  overflow: hidden;
}

.game-cover::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
  0%, 100% {
    transform: translate(0, 0);
  }
  50% {
    transform: translate(25%, 25%);
  }
}

.game-cover.coming-soon {
  background: linear-gradient(135deg, #475569 0%, #334155 100%);
  opacity: 0.7;
}

.game-cover-text {
  position: relative;
  z-index: 1;
  text-align: center;
}

.game-info {
  padding: 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.game-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 0.5rem;
}

.game-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.game-description {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: auto;
  line-height: 1.6;
}

.game-cta {
  display: inline-flex;
  margin-top: 1.5rem;
}

.game-card.coming-soon .game-cta {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* CTA Section */

.cta-section {
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.15) 0%, rgba(124, 58, 237, 0.05) 100%);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 3rem 2rem;
  text-align: center;
  margin: 2rem 0;
}

.cta-section h2 {
  margin-top: 0;
}

/* Footer */

footer {
  background-color: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 3rem 1.5rem;
  margin-top: 4rem;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-col h4 {
  margin-bottom: 1rem;
  color: var(--text-light);
  font-size: 1rem;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 0.75rem;
}

.footer-col ul li a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: color 0.2s ease;
}

.footer-col ul li a:hover {
  color: var(--primary);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-copyright {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: rgba(124, 58, 237, 0.1);
  border-radius: 0.5rem;
  color: var(--primary);
  transition: all 0.2s ease;
}

.footer-social a:hover {
  background-color: var(--primary);
  color: var(--bg-dark);
}

/* Responsive */

@media (max-width: 768px) {
  .header-container {
    flex-direction: column;
    gap: 1.5rem;
  }

  nav {
    gap: 1.5rem;
  }

  .hero {
    padding: 2.5rem 1.5rem;
  }

  .hero-mark {
    width: 80px;
    height: 80px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-buttons {
    flex-direction: column;
    gap: 1rem;
  }

  .btn-lg {
    width: 100%;
  }

  .section {
    padding: 2.5rem 1.5rem;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

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

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 15px;
  }

  h1 {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.25rem;
  }

  .hero {
    padding: 1.5rem 1rem;
  }

  .section {
    padding: 1.5rem 1rem;
  }

  .hero-mark {
    width: 60px;
    height: 60px;
  }

  nav {
    font-size: 0.9rem;
    gap: 1rem;
  }

  .btn-lg {
    font-size: 1rem;
    padding: 0.75rem 1.5rem;
  }
}