:root {
    --primary-color: #f37022;
    --primary-hover: #d65d1b;
    --text-dark: #333;
    --text-light: #777;
    --bg-light: #f9f9f9;
    --border-color: #e0e0e0;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-light);
    margin: 0;
    padding: 0;
    color: var(--text-dark);
}

/* सर्टिफिकेट इमेज पर माउस ले जाने पर ज़ूम इफ़ेक्ट और कर्सर */
.cert-img {
    cursor: pointer;
    transition: transform 0.3s ease;
}

.cert-img:hover {
    transform: scale(1.05);
}

/* सर्टिफिकेट स्लाइडर स्टाइल्स */
.certificate-container-fluid {
    width: 100vw;
    position: relative;
    left: 50%;
    right: 50%;
    margin-left: -50vw;
    margin-right: -50vw;
    padding: 20px 0;
    overflow: hidden;
}

.certificate-slider {
    background: white;
    height: 300px;
    margin: auto;
    overflow: hidden;
    position: relative;
    width: 100%;
}

.slide-track {
    display: flex;
    width: calc(250px * 10);
    animation: scroll 20s linear infinite;
}

.slide {
    height: 280px;
    width: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border: 1px solid #ddd;
    border-radius: 8px;
}

@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(calc(-250px * 5)); }
}

/* --- A4 Sheet Modal Styling --- */
.a4-modal-dialog {
    max-width: 700px; /* A4 proporción ke anusaar width set ki gayi hai */
    width: 90%;
}

.a4-sheet-content {
    background: #ffffff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    /* A4 Paper Proportion Aspect Ratio (1 : 1.414) */
    aspect-ratio: 1 / 1.414; 
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.a4-preview-img {
    width: 100%;
    height: 100%;
    object-fit: contain; /* Certificate proportion kharab nahi hoga */
    background: #fdfdfd;
    border: 2px dashed #ccc;
    padding: 10px;
}

/* Responsive adjustments for mobile screens */
@media (max-width: 768px) {
    .certificate-container-fluid {
        padding: 10px 0;
    }
    .a4-sheet-content {
        aspect-ratio: auto;
        height: 80vh; /* Mobile par screen ke mutabiq adjust hoga */
    }
}