/* === BASE === */
body {
  font-family: "Segoe UI", sans-serif;
  margin: 0;
  background: #fafafa;
  color: #222;
}

/* === NAVIGATION === */
nav {
  display: flex;
  justify-content: center;
  gap: 2rem;
  background: #111;
  padding: 1rem;
}
nav a {
  color: #ccc;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}
nav a:hover { color: #fff; }
nav a.active { color: #00bcd4; }

/* === HEADER === */
header {
  text-align: center;
  padding: 3rem 1rem;
}

/* === GRID LAYOUT (CARD / GAME) === */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); /* mỗi card ~300px */
  max-width: 960px; /* giới hạn tổng chiều rộng ~3 card */
  margin: 0 auto;
  gap: 1.5rem;
  padding: 2rem 1rem;
  justify-content: center;
}

/* === GENERIC CARD === */
.card, .game-card {
  background: #1e1e1e;
  border-radius: 1rem;
  box-shadow: 0 4px 10px rgba(0,0,0,0.2);
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
  display: flex;
  flex-direction: column;
  width: 300px;
  margin: 0 auto;
}
.card:hover, .game-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 14px rgba(0,0,0,0.3);
}

/* === IMAGE === */
.card img, .game-feature {
  width: 100%;
  height: 200px;               /* cố định chiều cao */
  object-fit: contain;         /* giữ nguyên tỉ lệ, không crop */
  object-position: center;
  background: #111;            /* nền đệm khi ảnh nhỏ */
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

/* === CARD CONTENT === */
.card-content {
  padding: 1rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 220px;
}
.card-content h3 {
  margin: 0 0 0.5rem;
  color: #fff;
  text-align: center;
}
.card-content h4 {
  margin: 0 0 0.2rem;
  color: #fff;
  text-align: center;
}
.card-content p {
  margin: 0 0 1rem;
  color: #ccc;
  text-align: center;
  flex-grow: 1;
}

/* === BUTTONS === */
.btn, .store-btn, .back-btn {
  display: inline-block;
  color: #fff;
  text-decoration: none;
  border-radius: 0.5rem;
  padding: 0.5rem 1rem;
  transition: background 0.3s;
}
.btn { background: #00bcd4; }
.btn:hover { background: #0097a7; }
.store-btn {
  background: #007bff;
  font-size: 0.9rem;
  padding: 0.4rem 0.8rem;
}
.store-btn:hover { background: #0056b3; }
.back-btn { background: #555; margin-bottom: 1rem; }

/* === STORE LINKS === */
.store-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1rem;
}
.store-links a {
  color: #00bcd4;
  text-decoration: none;
  background: rgba(0,188,212,0.1);
  padding: 0.3rem 0.6rem;
  border-radius: 6px;
  font-size: 0.8rem;
  transition: background 0.2s;
}
.store-links a:hover { background: rgba(0,188,212,0.3); }

/* === BLOG SECTION === */
.blog-list, .info-section, .blog-post {
  background: #fff;
  border-radius: 1rem;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  margin: 2rem auto;
  padding: 2rem;
  max-width: 800px;
}
.blog-list article {
  padding: 1rem;
  margin-bottom: 1rem;
  border-radius: 0.5rem;
  box-shadow: 0 3px 6px rgba(0,0,0,0.1);
}
.blog-list a {
  color: #00bcd4;
  text-decoration: none;
}
.blog-list a:hover { text-decoration: underline; }
.blog-card p, .blog-post p { color: #555; }
.blog-post h1, .blog-post h2, .blog-post h3 { margin-top: 1rem; }

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .card-grid {
    max-width: 640px; /* hiển thị 2 card */
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  }
}
@media (max-width: 600px) {
  .card-grid {
    max-width: 340px; /* hiển thị 1 card */
    grid-template-columns: 1fr;
  }
}