body {
    font-family: Arial, Helvetica, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f5f6f8;
    color: #333;
}

.container {
    max-width: 900px;
    margin: auto;
    padding: 20px;
}

header {
    background: #1e88e5;
    color: #fff;
    padding: 40px 20px;
    text-align: center;
}

header h1 {
    margin: 0;
    font-size: 28px;
}

header p {
    margin-top: 10px;
    font-size: 16px;
    opacity: 0.9;
}

.card {
    background: #ffffff;
    margin-top: 20px;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
}

.card h2 {
    margin-top: 0;
    font-size: 22px;
}

ul {
    padding-left: 20px;
}

ul li {
    margin-bottom: 8px;
}

.buttons {
    margin-top: 15px;
}

.btn {
    display: inline-block;
    padding: 12px 18px;
    background: #43a047;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    margin-right: 10px;
    margin-bottom: 10px;
    font-size: 14px;
}

.btn.secondary {
    background: #546e7a;
}

.btn:hover {
    opacity: 0.9;
}

footer {
    text-align: center;
    margin: 30px 0 10px;
    font-size: 13px;
    color: #777;
}

@media (max-width: 600px) {
    header h1 {
        font-size: 22px;
    }

    .card h2 {
        font-size: 18px;
    }

    .menu-btn {
        top: 25px;
    }
}

/* Sections */
.section-separator {
    height: 3px;
    background-color: #ddd;
    margin: 60px 20px;
    border-radius: 2px;
}

/* CodeMaker specific styles */
.screenshot-gallery {
    display: flex;
    overflow-x: auto;
    gap: 15px;
    padding-bottom: 10px;
}

.screenshot-gallery img {
    height: 300px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.codemaker-icon {
    width: 80px;
    height: 80px;
    border-radius: 15px;
    margin-bottom: 15px;
}

/* Sidebar styles */
.sidebar {
    position: fixed;
    left: -250px;
    top: 0;
    width: 250px;
    height: 100%;
    background-color: #333;
    color: #fff;
    transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
    padding-top: 60px;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.3);
}

#sidebar-toggle:checked~.sidebar {
    left: 0;
}

.sidebar a {
    padding: 15px 25px;
    text-decoration: none;
    font-size: 18px;
    color: #ccc;
    display: block;
    transition: 0.2s;
}

.sidebar a:hover {
    color: #fff;
    background-color: #555;
    padding-left: 30px;
}

.sidebar .close-btn {
    position: absolute;
    top: 10px;
    right: 20px;
    font-size: 30px;
    cursor: pointer;
    color: #aaa;
    transition: color 0.2s;
}

.sidebar .close-btn:hover {
    color: #fff;
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

#sidebar-toggle:checked~.overlay {
    opacity: 1;
    visibility: visible;
}

.menu-btn {
    position: absolute;
    left: 20px;
    top: 40px;
    font-size: 24px;
    cursor: pointer;
    background: none;
    border: none;
    color: white;
    z-index: 998;
    transition: transform 0.2s;
}

.menu-btn:hover {
    transform: scale(1.1);
}

/* Popup styles */
.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.popup-overlay.show {
    opacity: 1;
    visibility: visible;
}

.popup-content {
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    max-width: 400px;
    width: 90%;
    position: relative;
    text-align: center;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    transform: translateY(-20px);
    transition: transform 0.3s;
}

.popup-overlay.show .popup-content {
    transform: translateY(0);
}

.popup-close {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 28px;
    cursor: pointer;
    color: #999;
    transition: color 0.2s;
    line-height: 1;
}

.popup-close:hover {
    color: #333;
}

.popup-icons-container {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 20px;
}

.popup-icon {
    height: 65px;
    width: auto;
    max-width: 120px;
    object-fit: contain;
    border-radius: 8px;
}

.popup-content h3 {
    margin: 0 0 10px;
    color: #1e88e5;
}

.popup-content p {
    font-size: 14px;
    color: #555;
    line-height: 1.5;
    margin-bottom: 20px;
}

.popup-footer .btn {
    width: 100%;
    box-sizing: border-box;
    margin: 0;
}