* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body, html {
    height: 100%;
    font-family: 'Roboto', sans-serif;
    scroll-behavior: smooth;
}
.background-gif {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}
.background-gif iframe {
    width: 100%;
    height: 100%;
    object-fit: cover;
    animation: fadeIn 2s ease-in-out;
}
.iframe-wrapper {
    width: 100%;
    height: 0;
    padding-bottom: 56%;
    position: relative;
}
.iframe-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}
.main-overlay {
    background: rgba(255, 255, 255, 0.85);
    width: 100%;
    min-height: 100vh;
    padding: 40px 20px;
    animation: slideIn 1s ease-out;
    position: relative;
}
header {
    text-align: center;
    margin-bottom: 40px;
}
header h1 {
    font-size: 3em;
    font-weight: 700;
    color: #2c3e50;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
    position: relative;
    transition: color 0.3s;
}
header h1::after {
    content: '';
    width: 60px;
    height: 4px;
    background: #e74c3c;
    display: block;
    margin: 10px auto 0 auto;
    border-radius: 2px;
    transition: background 0.3s;
}
header h1:hover {
    color: #e74c3c;
}
header h1:hover::after {
    background: #2c3e50;
}
.description-section .content-box {
    background: rgba(255, 255, 255, 0.95);
    padding: 25px 35px;
    max-width: 1000px;
    margin: 0 auto 60px auto;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    border-radius: 8px;
    animation: fadeInUp 1s ease-out;
}
.description-section h2 {
    font-size: 1.8em;
    color: #2c3e50;
    margin-bottom: 10px;
    position: relative;
}
.description-section h2::after {
    content: '';
    width: 50px;
    height: 2px;
    background: #e74c3c;
    display: block;
    margin: 5px 0 15px 0;
    border-radius: 1px;
}
.description-section p {
    font-size: 1.1em;
    color: #555;
    line-height: 1.6;
    margin-bottom: 20px;
}
.description-section ul {
    list-style-type: disc;
    padding-left: 20px;
    color: #555;
    line-height: 1.6;
    margin-bottom: 20px;
}
.download-button {
    display: inline-block;
    padding: 10px 20px;
    background-color: #e74c3c;
    color: #fff;
    text-decoration: none;
    border-radius: 25px;
    transition: background-color 0.3s, transform 0.3s;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}
.download-button:hover {
    background-color: #c0392b;
    transform: translateY(-3px);
}
.dashboard-gallery {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
    margin-bottom: 60px;
}
.dashboard-item {
    position: relative;
    width: 90%;
    max-width: 1000px; 
    background: rgba(255, 255, 255, 0.95);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
}
.dashboard-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.2);
}
.dashboard-item img:first-child {
    width: 100%;
    height: auto; 
    display: block;
    border-bottom: 1px solid #ddd;
    transition: opacity 0.3s;
}
.dashboard-item img:first-child:hover {
    opacity: 0.9;
}
.info-icon {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 35px;
    height: 35px;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.3s, transform 0.3s;
}
.info-icon:hover {
    opacity: 1;
    transform: scale(1.1);
}
.popup-window {
    display: none; 
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    justify-content: center;
    align-items: center;
    z-index: 1000; 
    animation: fadeIn 0.5s ease;
    overflow: auto; 
}
.popup-content {
    background: #fff;
    padding: 25px 35px;
    border-radius: 10px;
    max-width: 600px; 
    width: 90%;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    animation: slideDown 0.5s ease;
    position: relative;
    max-height: 80vh;
    overflow-y: auto;
}
.popup-content h2 {
    margin-bottom: 10px;
    color: #2c3e50;
    font-size: 1.5em;
}
.popup-content hr {
    border: none;
    height: 2px;
    background-color: #e74c3c;
    margin-bottom: 15px;
}
.popup-content ul, .popup-content p {
    color: #555;
    line-height: 1.6;
}
.close-btn {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.5em;
    cursor: pointer;
    color: #999;
    transition: color 0.3s;
}
.close-btn:hover {
    color: #2c3e50;
}
footer {
    text-align: center;
    padding: 20px 0;
    color: #777;
    font-size: 1em;
    border-top: 1px solid #ddd;
    animation: fadeInUp 1s ease-out;
}
#backToTop {
    display: none;
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 100;
    background-color: #e74c3c;
    color: #fff;
    border: none;
    outline: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 4px 6px rgba(0,0,0,0.2);
    transition: background-color 0.3s, transform 0.3s;
    animation: fadeIn 0.5s ease;
}
#backToTop:hover {
    background-color: #c0392b;
    transform: translateY(-5px);
}
#backToTop i {
    font-size: 1.2em;
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
@keyframes slideIn {
    from { transform: translateY(-50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes slideDown {
    from { transform: translateY(-20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}
@media (max-width: 768px) {
    .dashboard-gallery {
        gap: 30px;
    }
    .dashboard-item {
        width: 95%;
    }
    header h1 {
        font-size: 2.5em;
    }
    .description-section .content-box {
        padding: 15px 20px;
    }
    .popup-content {
        padding: 20px 25px;
    }
}