body {
    margin: 0;
    background: #d6d6d6;
    font-family: "Lucida Grande", "Helvetica Neue", Arial, sans-serif;
    color: #222;
}

.titlebar {
    background: linear-gradient(#eeeeee, #bcbcbc);
    border-bottom: 1px solid #8a8a8a;
    box-shadow: inset 0 1px 0 #ffffff;
    padding: 28px 16px;
}

.title-content {
    max-width: 960px;
    margin: auto;
    text-align: center;
}

.titlebar h1 {
    margin: 0;
    font-size: 34px;
}

.titlebar p {
    margin: 6px 0 18px;
    color: #444;
}

.titlebar img {
    max-width: 100%;
    width: 480px;
}

.window {
    max-width: 960px;
    margin: 24px auto;
    background: #f9f9f9;
    border-radius: 8px;
    box-shadow:
        0 10px 30px rgba(0,0,0,0.25),
        inset 0 1px 0 #ffffff;
    padding: 28px;
}

h2 {
    margin-top: 0;
    border-bottom: 1px solid #c0c0c0;
    padding-bottom: 6px;
}

.about p {
    line-height: 1.6;
}

.features {
    list-style: none;
    padding: 0;
    margin: 20px 0;
}

.features li {
    padding-left: 22px;
    margin: 8px 0;
    position: relative;
}

.features li::before {
    content: "▶";
    position: absolute;
    left: 0;
    color: #2b6cb0;
    font-size: 12px;
}

.download-btn {
    display: inline-block;
    margin-top: 20px;
    padding: 12px 26px;
    background: linear-gradient(#6fb4ff, #1e63d8);
    color: white;
    text-decoration: none;
    font-weight: bold;
    border-radius: 6px;
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.6),
        0 2px 4px rgba(0,0,0,0.3);
}

.download-btn:hover {
    background: linear-gradient(#82c2ff, #2a74e6);
}

.screenshots {
    margin-top: 42px;
}

.screenshot-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 28px;
    margin-top: 20px;
}

figure {
    margin: 0;
    text-align: center;
}

figure img {
    width: 100%;
    max-width: 80%;
    border-radius: 4px;
    box-shadow: 0 6px 16px rgba(0,0,0,0.35);
}

figcaption {
    margin-top: 10px;
    font-size: 14px;
    color: #333;
}

footer {
    text-align: center;
    padding: 18px;
    color: #444;
    font-size: 14px;
}

@media (max-width: 600px) {
    .window {
        padding: 20px;
        margin: 16px;
    }

    .titlebar h1 {
        font-size: 28px;
    }

    figure img {
        max-width: 100%;
    }
}