body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    background-color: white;
    color: #1a1a1a;
}

.navbar {
    background-color: #0b3d91;
    color: white;
    padding: 18px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.navbar h1 { font-size: 22px; font-weight: 700; }

.nav-links a {
    color: white;
    text-decoration: none;
    margin-left: 25px;
    font-weight: 500;
    transition: opacity 0.2s ease;
}

.nav-links a:hover { opacity: 0.7; }

.hero-movie {
    text-align: center;
    padding: 60px 20px;
}

#startBtn {
    padding: 12px 25px;
    font-size: 16px;
    background-color: #0b3d91;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    margin-top: 20px;
    transition: transform 0.2s, background-color 0.2s;
}

#startBtn:hover { transform: scale(1.05); }

#animationBox {
    margin: 40px auto 0 auto;
    width: 800px;
    height: 300px; /* must have a height */
    border: 2px solid #0b3d91;
    position: relative;
    overflow: hidden;
    background-color: white;
}