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

/* Dark Space Theme */
:root {
    --primary-color: #8A2BE2;           /* Cosmic Purple */
    --secondary-color: #0A0A1A;         /* Deep Space Black */
    --accent-color: #00FFFF;            /* Nebula Cyan */
    --star-color: #FFD700;              /* Star Gold */
    --text-color: #E6E6FA;              /* Cosmic Light Purple */
    --light-bg: #1A1A2E;               /* Space Navy */
    --medium-gray: #2D2D4D;            /* Asteroid Gray */
    --dark-gray: #4A4A6A;              /* Moon Gray */
    --white: #FFFFFF;
    --shadow: 0 2px 15px rgba(0, 255, 255, 0.1);
    --border-radius: 8px;
    --glow: 0 0 15px rgba(138, 43, 226, 0.3);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: linear-gradient(135deg, #0A0A1A 0%, #1A1A2E 50%, #16213E 100%);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* Animated Starfield Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, var(--star-color), transparent),
        radial-gradient(1px 1px at 40px 70px, var(--accent-color), transparent),
        radial-gradient(1px 1px at 90px 40px, #FFFFFF, transparent),
        radial-gradient(1px 1px at 130px 80px, var(--accent-color), transparent),
        radial-gradient(2px 2px at 160px 30px, var(--star-color), transparent);
    background-repeat: repeat;
    background-size: 200px 200px;
    z-index: -1;
    animation: starTwinkle 6s ease-in-out infinite alternate;
}

@keyframes starTwinkle {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.8; }
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    background-color: rgba(10, 10, 26, 0.95);
    box-shadow: var(--shadow), var(--glow);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--accent-color);
}

.nav-brand h1 {
    color: var(--star-color);
    font-size: 1.5rem;
    text-shadow: 0 0 10px var(--star-color);
    letter-spacing: 2px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
}

.nav-menu a:hover {
    color: var(--star-color);
    background-color: rgba(138, 43, 226, 0.2);
    text-shadow: 0 0 10px var(--star-color);
    transform: translateY(-2px);
}

.hero {
    padding: 8rem 5% 4rem;
    background: linear-gradient(135deg, rgba(10, 10, 26, 0.9) 0%, rgba(26, 26, 46, 0.8) 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(138, 43, 226, 0.4) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0, 255, 255, 0.3) 0%, transparent 50%);
    z-index: 0;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 3rem;
    position: relative;
    z-index: 1;
}

.hero-text h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--star-color);
    text-shadow: 0 0 20px var(--star-color);
}

.subtitle {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
    text-shadow: 0 0 10px var(--accent-color);
}

.profile-img {
    width: 100%;
    max-width: 300px;
    border-radius: 50%;
    border: 3px solid var(--accent-color);
    box-shadow: 
        var(--shadow), 
        0 0 25px var(--accent-color),
        inset 0 0 25px rgba(0, 255, 255, 0.1);
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    padding: 3px;
}

.section {
    padding: 4rem 5%;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
}

.section h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--star-color);
    font-size: 2.5rem;
    text-shadow: 0 0 15px var(--star-color);
    position: relative;
}

.section h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
}

.education-grid {
    display: grid;
    gap: 2rem;
}

.education-item {
    background: rgba(26, 26, 46, 0.8);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow), var(--glow);
    border: 1px solid var(--medium-gray);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.education-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(138, 43, 226, 0.3);
    border-color: var(--accent-color);
}

.education-item h3 {
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

.degree {
    font-weight: bold;
    margin-bottom: 0.5rem;
    color: var(--star-color);
}

.date {
    color: var(--dark-gray);
    font-style: italic;
    margin-bottom: 0.5rem;
}

.gpa {
    margin-bottom: 1rem;
    color: var(--text-color);
}

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

.skill-category {
    background: rgba(26, 26, 46, 0.8);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow), var(--glow);
    border: 1px solid var(--medium-gray);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.skill-category:hover {
    transform: translateY(-3px);
    border-color: var(--accent-color);
}

.skill-category h3 {
    color: var(--accent-color);
    margin-bottom: 1rem;
    text-align: center;
}

.skill-category ul {
    list-style: none;
}

.skill-category li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--medium-gray);
    position: relative;
    padding-left: 1.5rem;
}

.skill-category li::before {
    content: '✦';
    position: absolute;
    left: 0;
    color: var(--star-color);
    text-shadow: 0 0 8px var(--star-color);
}

.skill-category li:last-child {
    border-bottom: none;
}

.experience-grid {
    display: grid;
    gap: 2rem;
}

.experience-item {
    background: rgba(26, 26, 46, 0.8);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow), var(--glow);
    border: 1px solid var(--medium-gray);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.experience-item:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
}

.experience-item h3 {
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

.company {
    font-weight: bold;
    margin-bottom: 0.5rem;
    color: var(--star-color);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.contact-info, .contact-form {
    background: rgba(26, 26, 46, 0.8);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow), var(--glow);
    border: 1px solid var(--medium-gray);
    backdrop-filter: blur(10px);
}

.contact-item {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-item a {
    color: var(--accent-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

.contact-item a:hover {
    color: var(--star-color);
    text-shadow: 0 0 10px var(--star-color);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
    color: var(--star-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    background: rgba(10, 10, 26, 0.6);
    border: 1px solid var(--medium-gray);
    border-radius: var(--border-radius);
    font-size: 1rem;
    color: var(--text-color);
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 15px var(--accent-color);
    background: rgba(10, 10, 26, 0.8);
}

.btn {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--secondary-color);
    padding: 0.75rem 2rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn:hover {
    background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
    box-shadow: 0 0 20px var(--accent-color);
    transform: translateY(-2px);
    color: var(--white);
}

footer {
    background-color: rgba(10, 10, 26, 0.95);
    color: var(--white);
    padding: 2rem 5%;
    text-align: center;
    border-top: 1px solid var(--accent-color);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.social-links {
    margin-top: 1rem;
}

.social-links a {
    color: var(--star-color);
    margin: 0 1rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    color: var(--accent-color);
    text-shadow: 0 0 10px var(--accent-color);
}

.visualization-container {
    padding: 6rem 5% 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.vis-section {
    margin-bottom: 4rem;
    padding: 2rem;
    background: rgba(26, 26, 46, 0.8);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow), var(--glow);
    border: 1px solid var(--medium-gray);
    backdrop-filter: blur(10px);
}

.vis-section h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--star-color);
    text-shadow: 0 0 15px var(--star-color);
}

.svg-container {
    background: rgba(10, 10, 26, 0.6);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: 1rem;
    border: 1px solid var(--medium-gray);
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        padding: 1rem;
    }

    .nav-menu {
        margin-top: 1rem;
        gap: 1rem;
    }

    .hero-content {
        flex-direction: column;
        text-align: center;
    }

    .hero-text h2 {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1.2rem;
    }

    .section {
        padding: 3rem 1rem;
    }

    .skills-grid {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .visualization-container {
        padding: 6rem 1rem 2rem;
    }
}

@media (max-width: 480px) {
    .nav-menu {
        flex-direction: column;
        text-align: center;
    }

    .hero {
        padding: 6rem 1rem 2rem;
    }

    .hero-text h2 {
        font-size: 1.5rem;
    }

    .section h2 {
        font-size: 2rem;
    }
}

/* Projects Page Styles */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.project-item {
    background: var(--card-bg);
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.project-header h3 {
    margin: 0;
    color: var(--primary-color);
    flex: 1;
}

.project-links {
    display: flex;
    gap: 0.5rem;
}

.project-link {
    background: var(--primary-color);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 4px;
    text-decoration: none;
    font-size: 0.9rem;
    transition: background 0.3s ease;
}

.project-link:hover {
    background: var(--secondary-color);
}

.project-description {
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.project-technologies {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-tag {
    background: var(--light-bg);
    color: var(--text-color);
    padding: 0.3rem 0.6rem;
    border-radius: 20px;
    font-size: 0.8rem;
    border: 1px solid var(--border-color);
}