:root {
  --accent: #c5a059;
  --bg: #080808;
  --card-bg: #121212;
  --border: #222222;
  --text-main: #ffffff;
  --text-muted: #a0a0a0;
  --f-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --f-serif: 'Amiri', serif;
}

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

body {
  background-color: var(--bg);
  color: var(--text-main);
  font-family: var(--f-sans);
  height: 100vh;
  width: 100vw;
  overflow: hidden;
}

.main-layout {
  height: 100vh;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 4rem 2rem;
  position: relative;
}

/* Background Effect */
.bg-overlay {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.6;
  pointer-events: none;
  background: 
    radial-gradient(circle at 70% 30%, #1a150c 0%, transparent 50%), 
    radial-gradient(circle at 20% 80%, #0d1210 0%, transparent 40%);
}

.header-section {
  text-align: center;
  margin-bottom: 2rem;
  position: relative;
  z-index: 10;
  max-width: 800px;
}

.game-logo {
  width: 120px;
  margin-bottom: 1rem;
  filter: drop-shadow(0 0 10px var(--accent));
}

.page-title {
  font-size: 2.5rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 0.5rem;
  color: #fff;
}

.page-subtitle {
  font-size: 0.9rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 1.5rem;
  max-width: 1000px;
  width: 100%;
  position: relative;
  z-index: 10;
}

@media (min-width: 768px) {
  .cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-card {
  position: relative;
  background-color: var(--card-bg);
  border-radius: 0.75rem;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  border: 1px solid var(--border);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  transition: transform 0.3s ease, border-color 0.3s ease;
  cursor: default;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: rgba(197, 160, 89, 0.3);
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.icon-wrapper {
  width: 100%;
  aspect-ratio: 4/5;
  border-radius: 0.5rem;
  background-color: #0a0a0a;
  border: 1px solid var(--border);
  position: relative;
  overflow: visible;
  perspective: 1000px;
  cursor: pointer;
}

.icon-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  transform-style: preserve-3d;
}

.feature-card:hover .icon-inner {
  transform: rotateY(180deg);
}

.icon-front, .icon-back {
  position: absolute;
  width: 100%;
  height: 100%;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.icon-front img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.icon-back {
  background-color: #0d0d0d;
  color: var(--accent);
  transform: rotateY(180deg);
  padding: 1.25rem;
  font-size: 0.8rem;
  line-height: 1.5;
  text-align: center;
  border: 1px solid rgba(197, 160, 89, 0.3);
}

.icon-glow-effect {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom right, rgba(197, 160, 89, 0.1), transparent);
  opacity: 0;
  transition: opacity 0.5s ease;
  z-index: 2;
  pointer-events: none;
}