        :root {
            --navy: #001f3f;
            --gold: #c5a059;
            --bg: #fdfdfd;
            --sidebar-width: 280px;
        }

        body {
            font-family: 'Segoe UI', Arial, sans-serif;
            margin: 0;
            display: flex;
            background-color: var(--bg);
            color: #333;
            scroll-behavior: smooth;
        }

        /* SIDE NAVBAR */
        .sidebar {
            width: var(--sidebar-width);
            background: var(--navy);
            height: 100vh;
            position: fixed;
            color: white;
            padding: 40px 20px;
            border-right: 5px solid var(--gold);
            z-index: 1000;
            display: flex;
            flex-direction: column;
        }

        .sidebar h2 {
            color: var(--gold);
            font-size: 1.4rem;
            margin-bottom: 30px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding-bottom: 10px;
        }

        .sidebar nav a {
            display: block;
            color: #ddd;
            text-decoration: none;
            padding: 12px 15px;
            transition: 0.3s;
            font-size: 0.95rem;
            border-radius: 4px;
        }

        .sidebar nav a:hover {
            background: rgba(255, 255, 255, 0.05);
            color: var(--gold);
        }

        .social-links {
            margin-top: auto;
            padding-bottom: 60px;
        }

        .social-links a {
            display: block;
            color: var(--gold);
            text-decoration: none;
            font-size: 0.85rem;
            margin-bottom: 10px;
            border: 1px solid var(--gold);
            padding: 8px;
            text-align: center;
            border-radius: 4px;
        }

        .social-links a:hover {
            background: var(--gold);
            color: var(--navy);
        }


        #about {
            max-width: 900px;
            margin: 40px auto;
            padding: 20px;
            line-height: 1.6;
            color: #333;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        .profile-header h1 {
            color: #004a99;
            margin-bottom: 5px;
            font-size: 2.5rem;
        }

        .profile-header h2 {
            color: #555;
            font-size: 1.5rem;
            border-bottom: 2px solid #004a99;
            padding-bottom: 10px;
            margin-top: 0;
        }

        .summary-content {
            margin-top: 25px;
        }

        .expertise-list {
            list-style-type: none;
            padding: 0;
        }

        .expertise-list li {
            margin-bottom: 15px;
            padding-left: 25px;
            position: relative;
        }

        .expertise-list li::before {
            content: "▹";
            position: absolute;
            left: 0;
            color: #004a99;
            font-weight: bold;
        }

        strong {
            color: #000;
        }

        .closing-statement {
            font-style: italic;
            margin-top: 30px;
            color: #444;
            border-left: 4px solid #004a99;
            padding-left: 15px;
        }

        /* MAIN CONTENT */
        .content {
            margin-left: var(--sidebar-width);
            padding: 60px;
            width: calc(100% - var(--sidebar-width));
        }

        section {
            padding: 40px 0;
            border-bottom: 1px solid #eee;
        }

        .profile-header h1 {
            font-size: 2.8rem;
            color: var(--navy);
            margin: 0;
        }

        .profile-header p {
            font-size: 1.2rem;
            color: #666;
        }

        /* DOWNLOAD BUTTON */
        .download-btn {
            background-color: var(--gold);
            color: var(--navy);
            padding: 15px 30px;
            border: 2px solid var(--gold);
            font-weight: bold;
            border-radius: 5px;
            cursor: pointer;
            margin: 20px 0;
            transition: 0.3s;
        }

        .download-btn:hover {
            background: transparent;
            color: var(--navy);
        }

        /* PUBLICATION BOXES */
        .pub-box {
            background: white;
            padding: 20px;
            margin-bottom: 15px;
            border-radius: 5px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
            border-left: 5px solid var(--gold);
            cursor: pointer;
        }

        .pub-box strong {
            color: var(--navy);
            display: block;
            margin-bottom: 5px;
        }

        .pub-box .pdf-tag {
            color: #d9534f;
            font-weight: bold;
            font-size: 0.8rem;
        }

   :root {
    --navy: #051a33;
    --gold: #c5a059;
}

/* Main Container Jo Sabko Pakray Ga */
.pptx-wrapper {
    display: grid;
    /* Yeh line 3 columns banayegi ek line mein */
    grid-template-columns: repeat(3, 1fr); 
    gap: 20px; /* Dabbo ke darmiyan fasla */
    width: 100%;
    max-width: 1100px; /* Aapki screen ke mutabiq */
    margin: 0 auto;
    padding: 20px;
    box-sizing: border-box;
}

.pptx-card {
    background: #fff;
    border-left: 4px solid var(--gold);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    transition: 0.3s;
    cursor: pointer;
    overflow: hidden;
}

.pptx-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.2);
}

.thumb-container {
    width: 100%;
    height: 150px; /* Fix height taake alignment kharab na ho */
    position: relative;
    background: #eee;
}

.thumb-container img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* Image stretch nahi hogi */
}

.file-type {
    position: absolute;
    top: 5px;
    right: 5px;
    background: #d9534f;
    color: white;
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 3px;
}

.card-details {
    padding: 12px;
}

.card-details h3 {
    font-size: 14px;
    color: var(--navy);
    margin: 0;
}

/* Responsive: Agar screen choti ho to 2 ya 1 column kar do */
@media (max-width: 900px) {
    .pptx-wrapper { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
    .pptx-wrapper { grid-template-columns: 1fr; }
}
        /* CONTACT FORM */
        .contact-container {
            max-width: 600px;
            background: white;
            padding: 30px;
            border-radius: 8px;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
        }

        .contact-container input,
        .contact-container textarea {
            width: 100%;
            padding: 12px;
            margin-bottom: 15px;
            border: 1px solid #ddd;
            border-radius: 4px;
        }

        .contact-container button {
            background: var(--navy);
            color: white;
            border: none;
            padding: 12px 30px;
            border-radius: 4px;
            cursor: pointer;
            font-weight: bold;
        }

        @media (max-width: 768px) {
            body {
                flex-direction: column;
            }

            .sidebar {
                width: 100%;
                height: auto;
                position: relative;
            }

            .content {
                margin-left: 0;
                padding: 20px;
                width: 100%;
            }
        }