.container {
    max-width: 900px;
    margin: 50px auto;
    padding: 40px 50px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.07);
    font-family: 'Open Sans', sans-serif;
    color: #2e2e2e;
}

h1 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: #222;
}

.release-entry {
    margin-bottom: 48px;
}

.release-entry h2 {
    display: block;
    width: 100%;
    background-color: #404040;
    color: white;
    padding: 12px 24px;
    border-radius: 6px;
    font-size: 18px;
    font-weight: 700;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
    transition: background-color 0.5s ease, box-shadow 0.5s ease;
    user-select: none;
    margin-bottom: 24px;
    box-sizing: border-box;
}

.release-entry h2:hover {
    background-color: #d81e5b; /* solid color for smooth transition */
    box-shadow: 0 6px 20px rgba(216, 30, 91, 0.35);
    cursor: default;
}

.release-entry ul {
    margin-top: 0;
    padding-left: 42px;
    color: #4a4a4a;
    font-size: 16px;
    line-height: 1.75;
    list-style-type: disc;
}

.release-entry li {
    margin-bottom: 14px;
    transition: color 0.25s ease;
}

.release-entry li:hover {
    color: #222;
    cursor: default;
}

@media (max-width: 768px) {
    .container {
        padding: 32px 40px;
        margin: 40px 20px;
    }
    h1 {
        font-size: 28px;
        margin-bottom: 48px;
    }
    .release-entry h2 {
        font-size: 16px;
        padding: 10px 20px;
    }
    .release-entry ul {
        font-size: 15px;
        padding-left: 36px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 24px 30px;
        margin: 30px 15px;
    }
    h1 {
        font-size: 24px;
        margin-bottom: 36px;
    }
    .release-entry h2 {
        font-size: 14px;
        padding: 8px 16px;
    }
    .release-entry ul {
        font-size: 14px;
        padding-left: 32px;
    }
}