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

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    background: #f0f2f5;
}

nav {
    background: #fff;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #ff4040;
}

.nav-links a {
    margin-left: 2rem;
    text-decoration: none;
    color: #333;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #ff4040;
}

.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: linear-gradient(45deg, #ff4040, #ff8080, #7289da);
    background-size: 300% 300%;
    color: white;
    text-align: center;
    animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.milestone-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.milestone-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 5px 25px rgba(0,0,0,0.2);
}

.milestone-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: 0.5s;
}

.milestone-card:hover::before {
    left: 100%;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

section {
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.timeline-item {
    margin-bottom: 2rem;
    padding: 1rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    transform: translateX(-100%);
    opacity: 0;
    animation: slideIn 0.5s forwards;
}

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

.milestone-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.milestone-card:hover {
    transform: translateY(-5px);
}

.facts ul {
    list-style: none;
}

.facts li {
    margin-bottom: 1rem;
    padding: 1rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

footer {
    text-align: center;
    padding: 2rem;
    background: #333;
    color: white;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideIn {
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

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

.game-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
    transition: all 0.3s;
    text-align: center;
    border: 2px solid transparent;
}

.game-card:hover {
    border-color: #ff4040;
    transform: translateY(-5px);
}

.timeline-item img {
    max-width: 100px;
    margin-top: 1rem;
    border-radius: 50%;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .game-grid {
        grid-template-columns: 1fr;
    }
}