:root {
    --primary-color: #007bff; /* A vibrant blue for accents */
    --secondary-color: #1c2a38; /* Dark blue for headings */
    --background-color: #e9ecef; /* Light gray background */
    --card-bg-color: #ffffff;
    --text-color: #333;
    --light-text-color: #555;
    --border-color: #dbe2e9;
    --hover-shadow: 0 15px 30px rgba(0,0,0,0.12);
}

body {
    font-family: 'Montserrat', sans-serif;
    margin: 0;
    background-color: var(--background-color);
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    justify-content: flex-start; /* Align content to the top */
    align-items: stretch; /* Stretch to fill width for full-width header */
    min-height: 100vh;
    text-align: center;
}

.container {
    max-width: 960px;
    width: 95%;
    margin: 20px auto; /* Center container with auto margins */
    background-color: var(--card-bg-color);
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    padding: 30px;
    flex-grow: 1; /* Allow container to grow and push footer down */
}

header {
    background-image: linear-gradient(to right, var(--primary-color), #0056b3);
    padding: 20px 2%; /* Adjusted padding */
    color: white;
    display: flex; /* Use flexbox for header content */
    justify-content: space-between; /* Space out items */
    align-items: center; /* Align items vertically */
    box-shadow: 0 2px 5px rgba(0,0,0,0.1); /* Subtle shadow for header */
    margin-bottom: 40px; /* Space below header */
}

.home-link {
    text-decoration: none;
    color: inherit;
}

header h1 {
    font-size: 2.5rem; /* Slightly smaller for better nav integration */
    color: white;
    margin: 0; /* Remove default margin */
}

header p {
    display: none; /* Hide subtitle in header nav */
}

nav {
    display: flex;
    gap: 20px; /* Space between nav items */
    align-items: center;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: 600;
    padding: 5px 10px;
    border-radius: 5px;
    transition: background-color 0.2s;
}

nav a:hover {
    background-color: rgba(255,255,255,0.2);
}

.dropdown {
    position: relative;
    display: inline-block;
}

.dropbtn {
    background-color: transparent;
    color: white;
    padding: 5px 10px;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: background-color 0.2s;
    border-radius: 5px;
}

.dropbtn:hover {
    background-color: rgba(255,255,255,0.2);
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: var(--card-bg-color);
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 1;
    border-radius: 5px;
    padding: 5px 0;
    left: 0; /* Align dropdown with button */
    text-align: left;
}

.dropdown-content a {
    color: var(--text-color);
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    font-weight: normal;
}

.dropdown-content a:hover {
    background-color: var(--background-color);
    color: var(--primary-color);
}

.dropdown:hover .dropdown-content {
    display: block;
}

main h2 {
    font-size: 2.2rem;
    margin-bottom: 30px;
    color: var(--secondary-color);
}

.game-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 25px;
    text-align: left;
    margin-bottom: 50px;
}

.game-card {
    background-color: var(--card-bg-color);
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    text-decoration: none;
    color: var(--text-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.game-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--hover-shadow);
}

.game-card h3 {
    margin-top: 0;
    font-size: 1.7rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.game-card p {
    color: var(--light-text-color);
    line-height: 1.6;
    font-size: 1rem;
}

footer {
    margin-top: 40px;
    padding: 20px 0;
    border-top: 1px solid var(--border-color);
    color: var(--light-text-color);
    font-size: 0.9rem;
    width: 100%;
    text-align: center;
}