body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    margin: 0;
    padding: 0;
    color: #333;
    background-color: #f8f9fa;
    line-height: 1.6;
    scroll-behavior: smooth;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 20px 0;
}

header {
    background-color: #ffffff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-title a {
    font-size: 1.8em;
    font-weight: bold;
    color: #333;
    text-decoration: none;
}

nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
}

nav ul li {
    margin-left: 25px;
}

nav ul li a {
    text-decoration: none;
    color: #555;
    font-weight: 500;
    transition: color 0.3s ease;
}

nav ul li a:hover {
    color: #007bff;
}

.hero-section {
    background-color: #e9ecef;
    text-align: center;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.hero-section h1 {
    font-size: 3.5em;
    margin-bottom: 10px;
    color: #333;
}

.hero-section h2 {
    font-size: 1.8em;
    color: #555;
    margin-bottom: 30px;
    font-weight: 400;
}

.cta-button {
    display: inline-block;
    background-color: #007bff;
    color: white;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 5px;
    font-size: 1.1em;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

.cta-button:hover {
    background-color: #0056b3;
}

section {
    padding: 60px 0;
}

section h2 {
    text-align: center;
    font-size: 2.5em;
    margin-bottom: 40px;
    color: #333;
}

.about-section p, .contact-section p {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    font-size: 1.1em;
    color: #666;
}

.experience-section .container, .education-section .container {
    text-align: left;
}

.experience-item, .education-item {
    background-color: #fff;
    padding: 30px;
    margin-bottom: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.experience-item:hover, .education-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.experience-item h3, .education-item h3 {
    font-size: 1.8em;
    margin-top: 0;
    color: #007bff;
}

.experience-item .company, .education-item p {
    font-style: italic;
    color: #777;
    margin-bottom: 15px;
    font-size: 1.1em;
}

.experience-item ul {
    list-style: disc;
    padding-left: 20px;
}

.experience-item ul li {
    margin-bottom: 10px;
    color: #555;
}

.education-item h3 {
    font-size: 1.5em;
    margin-bottom: 5px;
}

.achievements-list {
    margin-top: 30px;
    padding: 25px;
    background-color: #e9ecef;
    border-radius: 8px;
}

.achievements-list h3 {
    font-size: 1.6em;
    color: #333;
    margin-top: 0;
    text-align: center;
}

.achievements-list ul {
    list-style: square;
    padding-left: 20px;
}

.achievements-list ul li {
    margin-bottom: 8px;
    color: #555;
}

.contact-section {
    background-color: #f1f3f5;
    text-align: center;
}

.contact-details {
    margin-top: 30px;
    font-size: 1.1em;
    color: #666;
}

.contact-details p {
    margin-bottom: 10px;
}

.contact-details a {
    color: #007bff;
    text-decoration: none;
}

.contact-details a:hover {
    text-decoration: underline;
}

footer {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 30px 0;
    font-size: 0.9em;
}

footer p {
    margin: 0;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    nav ul {
        flex-direction: column;
        align-items: center;
        margin-top: 15px;
    }
    nav ul li {
        margin: 5px 0;
    }
    .hero-section h1 {
        font-size: 2.5em;
    }
    .hero-section h2 {
        font-size: 1.3em;
    }
    section h2 {
        font-size: 2em;
    }
    .experience-item h3, .education-item h3 {
        font-size: 1.5em;
    }
}

@media (max-width: 480px) {
    .container {
        width: 95%;
    }
    .cta-button {
        padding: 12px 25px;
        font-size: 1em;
    }
    .hero-section {
        padding: 60px 0;
    }
    section {
        padding: 40px 0;
    }
}