body {
    font-family: 'Poppins', sans-serif;
    background-color: #ffffff;
    margin: 0;
    padding: 0;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 80px; /* Increased side spacing */
}
h1 {
    font-size: 48px;
    text-align: left; /* Title aligned to the left */
    margin-bottom: 40px;
}
h2 {
    font-size: 32px;
    margin-top: 40px;
}
p {
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 20px;
}
ul {
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 20px;
    padding-left: 20px;
}
li {
    margin-bottom: 10px;
}
.important-section {
    border: 2px solid #ffcccc; /* Subtle red border */
    background-color: #fff5f5; /* Light red background */
    padding: 20px;
    border-radius: 5px;
    margin-bottom: 20px;
}
.zip-overview {
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 5px;
    margin-bottom: 20px;
    background-color: #f9f9f9;
}
.video-container {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 ratio for first section (not used) */
    overflow: hidden;
    margin-top: 20px;
    border-radius: 10px;
}
.video-container video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 10px;
}
details .video-container {
    width: 700px; /* Fixed size for collapsible section videos */
    height: 540px;
    padding-bottom: 0; /* Remove aspect ratio for fixed size */
}
details .video-container video {
    width: 100%;
    height: 100%;
    cursor: pointer; /* Indicate video is clickable */
}
details {
    margin-top: 20px;
    border: 1px solid #ddd;
    border-radius: 5px;
    overflow: hidden;
}
summary {
    font-size: 24px;
    font-weight: 600;
    padding: 15px;
    background-color: #f9f9f9;
    cursor: pointer;
}
summary i {
    margin-right: 10px;
}
details[open] summary {
    background-color: #eee;
}
.section-content {
    padding: 20px;
}
.content-wrapper {
    display: flex;
    gap: 30px;
    align-items: flex-start;
}
.text-content {
    flex: 1;
}
.video-content {
    flex: 0 0 auto; /* Fixed size for video */
}
.contact-section {
    background-color: #000000; /* Black background */
    color: #ffffff; /* White text */
    padding: 20px;
    border-radius: 10px; /* Rounded corners */
    margin-top: 30px;
    text-align: center;
}
.contact-button {
    display: inline-block;
    background-color: #ff6200; /* Orange background */
    color: #ffffff;
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    font-size: 16px;
    margin-top: 10px;
}
.contact-button:hover {
    background-color: #cc4d00; /* Darker orange on hover */
}

/* Mobile-responsive styles */
@media (max-width: 768px) {
    .container {
        padding: 20px; /* Reduced padding for mobile */
    }
    h1 {
        font-size: 32px; /* Smaller title */
        line-height: 1.2;
    }
    h2 {
        font-size: 24px;
    }
    p {
        font-size: 14px; /* Smaller text */
    }
    .guide-buttons {
        flex-direction: column; /* Stack buttons vertically on mobile */
        gap: 15px;
    }
    .guide-button {
        width: 100%; /* Full-width buttons */
        max-width: 250px; /* Cap button width */
        padding: 12px 20px; /* Slightly smaller padding */
        font-size: 16px; /* Smaller font */
    }
    .content-wrapper {
        flex-direction: column;
        align-items: center;
    }
    .text-content, .video-content {
        width: 100%;
        max-width: 100%; /* Full width for mobile */
    }
    .text-content {
        order: -1; /* Text above video */
    }
    details .video-container {
        width: 100%; /* Full width for videos */
        max-width: 100%;
        height: auto;
        aspect-ratio: 16 / 9; /* Maintain video aspect ratio */
    }
}