:root {
    --primary-blue: #2c5282;
    --secondary-blue: #4299e1;
    --dark-grey: #2d3748;
    --medium-grey: #4a5568;
    --light-grey: #a0aec0;
    --background-grey: #f7fafc;
    --white: #ffffff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--dark-grey);
    background-color: var(--background-grey);
}

.header {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: var(--white);
    padding: 4rem 2rem;
    text-align: center;
}

.header-content {
    max-width: 800px;
    margin: 0 auto;
}

.profile-image {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    border: 4px solid var(--white);
    margin-bottom: 1.5rem;
    object-fit: cover;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.title {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.social-link {
    color: var(--white);
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.social-link:hover {
    transform: translateY(-3px);
}

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.section {
    margin-bottom: 4rem;
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

h2 {
    color: var(--primary-blue);
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
    position: relative;
    padding-bottom: 0.5rem;
}

h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background-color: var(--secondary-blue);
}

.key-points {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.point {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.point i {
    color: var(--secondary-blue);
}

.responsibilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.responsibility-card {
    text-align: center;
    padding: 1.5rem;
    background: var(--background-grey);
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.responsibility-card:hover {
    transform: translateY(-5px);
}

.responsibility-card i {
    font-size: 2rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.timeline {
    display: grid;
    gap: 2rem;
}

.experience-card {
    padding: 1.5rem;
    background: var(--background-grey);
    border-radius: 8px;
    border-left: 4px solid var(--primary-blue);
}

.experience-card h3 {
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.company {
    color: var(--medium-grey);
    font-weight: 500;
}

.duration {
    color: var(--light-grey);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.experience-card ul {
    list-style-type: none;
}

.experience-card ul li {
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.5rem;
}

.experience-card ul li::before {
    content: '•';
    color: var(--secondary-blue);
    position: absolute;
    left: 0;
}

.skills-container {
    display: grid;
    gap: 2rem;
}

.skills-category h3 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.skill-tag {
    background: var(--background-grey);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--medium-grey);
    transition: background-color 0.3s ease;
}

.skill-tag:hover {
    background-color: var(--secondary-blue);
    color: var(--white);
}

.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.education-card {
    text-align: center;
    padding: 2rem;
    background: var(--background-grey);
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.education-card:hover {
    transform: translateY(-5px);
}

.education-card i {
    font-size: 2rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.education-card .year {
    color: var(--light-grey);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

.interests-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
}

.interest-card {
    text-align: center;
    padding: 1.5rem;
    background: var(--background-grey);
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.interest-card:hover {
    transform: translateY(-5px);
}

.interest-card i {
    font-size: 2rem;
    color: var(--primary-blue);
    margin-bottom: 0.8rem;
}

footer {
    text-align: center;
    padding: 2rem;
    color: var(--medium-grey);
    background: var(--white);
    margin-top: 4rem;
}

@media (max-width: 768px) {
    .header {
        padding: 3rem 1rem;
    }

    .profile-image {
        width: 150px;
        height: 150px;
    }

    h1 {
        font-size: 2rem;
    }

    .section {
        padding: 1.5rem;
    }

    .responsibilities-grid,
    .education-grid,
    .interests-grid {
        grid-template-columns: 1fr;
    }
}