/* General Body and Container Styles */
body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 20px;
    background-color: #f4f7f6;
    color: #333;
    line-height: 1.6;
    display: flex;
    justify-content: center;
    min-height: 100vh;
}

.container {
    background-color: #fff;
    padding: 40px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    max-width: 900px;
    width: 100%;
}

/* Header Styles */
.header {
    text-align: center;
    margin-bottom: 40px;
    border-bottom: 2px solid #e0e0e0;
    padding-bottom: 20px;
}

.header h1 {
    color: #2c3e50;
    margin-bottom: 10px;
    font-size: 2.8em;
    font-weight: 700;
}

.header p {
    margin: 5px 0;
    font-size: 1.1em;
    color: #555;
}

.header a {
    color: #3498db;
    text-decoration: none;
    font-weight: 400;
}

.header a:hover {
    text-decoration: underline;
}

.header .clearance {
    font-weight: 700;
    color: #e74c3c;
    margin-top: 15px;
    padding: 5px 10px;
    background-color: #fce4e4;
    border-radius: 4px;
    display: inline-block;
}

/* Section Styles */
section {
    margin-bottom: 30px;
}

section h2 {
    color: #2c3e50;
    font-size: 1.8em;
    margin-bottom: 20px;
    border-bottom: 1px solid #e0e0e0;
    padding-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Item Styles (for Education and Experience) */
.item {
    margin-bottom: 25px;
}

.item h3 {
    color: #34495e;
    font-size: 1.4em;
    margin-bottom: 5px;
}

.item p {
    margin: 0 0 10px 0;
    color: #666;
}

.item ul {
    list-style-type: disc;
    margin-left: 25px;
    padding: 0;
}

.item ul li {
    margin-bottom: 8px;
    color: #444;
}

/* Certifications List */
.certifications ul {
    list-style-type: none;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.certifications ul li {
    background-color: #ecf0f1;
    padding: 8px 15px;
    border-radius: 5px;
    color: #34495e;
    font-weight: 600;
    font-size: 0.95em;
}

/* PDF Viewer Section */
.pdf-viewer {
    margin-top: 50px;
    text-align: center;
}

.pdf-viewer p {
    margin-bottom: 20px;
    font-size: 1.1em;
}

.actions {
    margin-bottom: 30px;
}

.button {
    display: inline-block;
    background-color: #3498db;
    color: #fff;
    padding: 12px 25px;
    border-radius: 5px;
    text-decoration: none;
    font-size: 1.1em;
    font-weight: 600;
    transition: background-color 0.3s ease;
}

.button:hover {
    background-color: #2980b9;
}

.iframe-container {
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    overflow: hidden;
    margin-top: 20px;
    height: 900px;
    display: flex;
}

.iframe-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    body {
        padding: 15px;
    }

    .container {
        padding: 25px;
    }

    .header h1 {
        font-size: 2em;
    }

    section h2 {
        font-size: 1.5em;
    }

    .item h3 {
        font-size: 1.2em;
    }

    .button {
        padding: 10px 20px;
        font-size: 1em;
    }
    
    .iframe-container {
        min-height: 600px;
    }
}

@media (max-width: 480px) {
    .header h1 {
        font-size: 1.8em;
    }
    .header p, .header a {
        font-size: 0.9em;
    }
    .certifications ul {
        flex-direction: column;
        align-items: center;
    }
    .certifications ul li {
        width: fit-content;
    }
}