:root {
  --primary-color: #ff0055;
  --secondary-color: #00e5ff;
  --bg-color: #0f0f1a;
  --card-bg: #1a1a2e;
  --text-color: #e0e0e0;
  --font-heading: 'Press Start 2P', cursive;
  --font-body: 'Roboto', sans-serif;
  --header-height: 70px;
}

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

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: var(--font-body);
  display: flex;
  flex-direction: column;
  min-height: 100vh; /* Sticky footer requirement */
}

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

ul {
  list-style: none;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

/* Header */
.main-header {
  background-color: rgba(15, 15, 26, 0.95);
  height: var(--header-height);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0,0,0,0.5);
  border-bottom: 2px solid var(--secondary-color);
}

.main-header__container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--secondary-color);
}

.logo__icon {
  font-size: 1.5rem;
}

/* Navigation - Mobile First */
.mobile-menu-toggle {
  display: block;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
}

.hamburger {
  display: block;
  width: 30px;
  height: 3px;
  background-color: var(--text-color);
  position: relative;
  transition: 0.3s;
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  width: 30px;
  height: 3px;
  background-color: var(--text-color);
  left: 0;
  transition: 0.3s;
}

.hamburger::before { top: -10px; }
.hamburger::after { top: 10px; }

/* Menú abierto (animación hamburguesa) */
.mobile-menu-toggle.active .hamburger { background-color: transparent; }
.mobile-menu-toggle.active .hamburger::before { top: 0; transform: rotate(45deg); }
.mobile-menu-toggle.active .hamburger::after { top: 0; transform: rotate(-45deg); }

.main-nav {
  position: absolute;
  top: var(--header-height);
  left: 0;
  width: 100%;
  background-color: var(--card-bg);
  transform: translateY(-150%);
  transition: transform 0.3s ease-in-out;
  z-index: 999;
}

.main-nav.active {
  transform: translateY(0);
}

.main-nav__list {
  display: flex;
  flex-direction: column;
  text-align: center;
}

.main-nav__link {
  display: block;
  padding: 1.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  font-weight: bold;
}

.main-nav__link:hover, .main-nav__link.active {
  color: var(--secondary-color);
  background-color: rgba(255,255,255,0.05);
}

/* Main Content */
.main-content {
  flex: 1; /* Sticky footer push */
  padding: 2rem 0;
}

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

/* Game Card */
.game-card {
  background-color: var(--card-bg);
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
  border: 1px solid rgba(255,255,255,0.05);
}

.game-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 229, 255, 0.2);
  border-color: var(--secondary-color);
}

.game-card__image-container {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
}

.game-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

.game-card:hover .game-card__image {
  transform: scale(1.1);
}

.game-card__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.6);
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transition: 0.3s;
}

.game-card:hover .game-card__overlay {
  opacity: 1;
}

.game-card__play-btn {
  background-color: var(--primary-color);
  color: white;
  padding: 10px 20px;
  border-radius: 20px;
  font-weight: bold;
  text-transform: uppercase;
  font-size: 0.9rem;
}

.game-card__content {
  padding: 1.5rem;
}

.game-card__title {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: white;
}

.game-card__description {
  font-size: 0.9rem;
  color: #a0a0b0;
  line-height: 1.5;
}

/* Footer */
.main-footer {
  background-color: #0a0a12;
  padding: 2rem 0;
  border-top: 1px solid rgba(255,255,255,0.05);
  text-align: center;
}

.main-footer__social {
  margin-top: 1rem;
  display: flex;
  justify-content: center;
  gap: 1rem;
}

.main-footer__social a {
  color: var(--secondary-color);
}

/* Desktop Styles */
@media (min-width: 768px) {
  .mobile-menu-toggle {
    display: none;
  }

  .main-nav {
    position: static;
    transform: none;
    width: auto;
    background: none;
  }

  .main-nav__list {
    flex-direction: row;
    gap: 2.5rem;
    align-items: center;
  }

  .main-nav__link {
    padding: 0.5rem 0;
    border: none;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-color);
    position: relative;
    text-transform: uppercase;
    letter-spacing: 1px;
    background: transparent;
  }
  
  /* Underline Animation */
  .main-nav__link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--secondary-color);
    transition: width 0.3s ease;
    box-shadow: 0 0 10px var(--secondary-color);
  }

  .main-nav__link:hover::after,
  .main-nav__link.active::after {
    width: 100%;
  }

  .main-nav__link:hover, 
  .main-nav__link.active {
    color: #fff;
    background: transparent;
    text-shadow: 0 0 8px rgba(0, 229, 255, 0.6);
  }
}