:root {
    --primary-color: #0F172A;
    /* Dark Slate */
    --accent-color: #0EA5E9;
    /* Sky Blue */
    --text-color: #334155;
    --bg-color: #FFFFFF;
    --light-bg: #F8FAFC;
    --font-family: 'Inter', sans-serif;
    --max-width: 1000px;
}

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

body {
    font-family: var(--font-family);
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--bg-color);
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s;
}

a:hover {
    color: var(--accent-color);
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header */
.header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid #E2E8F0;
    padding: 1rem 0;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav {
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.nav-link {
    font-weight: 600;
    color: var(--primary-color);
}

/* Hero */
.hero {
    padding: 6rem 0 4rem;
    background: linear-gradient(135deg, #F8FAFC 0%, #E0F2FE 100%);
    color: var(--primary-color);
}

.text-center {
    text-align: center;
}

.profile-pic {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 1.5rem;
    border: 4px solid white;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.name {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.tagline {
    font-size: 1.125rem;
    color: #64748B;
    max-width: 600px;
    margin: 0 auto;
}

/* Sections */
.section {
    padding: 5rem 0;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 2.5rem;
    text-align: center;
}

.bg-light {
    background-color: var(--light-bg);
}

/* Bio */
.bio-content p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Interests */
.interests-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    list-style: none;
}

.interests-list li {
    background: #FFFFFF;
    border: 1px solid #E2E8F0;
    padding: 0.75rem 1.5rem;
    border-radius: 2rem;
    font-weight: 600;
    color: var(--primary-color);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

/* Projects */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.project-card {
    background: white;
    padding: 0;
    border-radius: 1rem;
    border: 1px solid #E2E8F0;
    transition: transform 0.2s, box-shadow 0.2s;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

@media (min-width: 768px) {
    .project-card {
        flex-direction: row;
        align-items: center;
    }

    .project-img {
        width: 200px;
        height: 100%;
        object-fit: cover;
    }
}

.project-img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.project-content {
    padding: 2rem;
}

.project-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.project-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.project-role {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--accent-color);
    margin-bottom: 1rem;
    font-weight: 700;
}

/* Publications */
.publication-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.publication-item {
    background: white;
    padding: 1.5rem;
    border-radius: 0.75rem;
    border-left: 4px solid var(--accent-color);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.publication-item cite {
    display: block;
    font-style: normal;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.publication-item .conf {
    font-size: 0.9rem;
    color: #64748B;
}

/* Footer */
.footer {
    padding: 3rem 0;
    background-color: var(--primary-color);
    color: #94A3B8;
}

.social-links {
    margin-bottom: 0;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.social-links a {
    color: var(--primary-color);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.social-links a:hover {
    color: var(--accent-color);
}

.social-icon {
    width: 20px;
    height: 20px;
}

/* Responsive */
@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 1.5rem;
    }

    .nav {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }

    .name {
        font-size: 2.25rem;
    }
}