/* CSS Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    height: 100%;
    width: 100%;
}

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: #333;
    background: #0a0a0a;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.98);
    box-shadow: 0 2px 20px rgba(0, 255, 255, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    font-family: 'Orbitron', monospace;
    font-weight: 700;
    font-size: 1.5rem;
    color: #00ffff;
}

.quantum-symbol {
    font-size: 2rem;
    margin-right: 10px;
    animation: rotate 4s linear infinite;
}

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

.nav-link {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #00ffff, #ff00ff);
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #00ffff;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: radial-gradient(ellipse at center, #1a1a2e 0%, #0a0a0a 100%);
    overflow: hidden;
}

.quantum-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="quantum" x="0" y="0" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="%2300ffff" opacity="0.3"/></pattern></defs><rect width="100" height="100" fill="url(%23quantum)"/></svg>');
    animation: float 20s ease-in-out infinite;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: 1200px;
    padding: 0 20px;
    z-index: 1;
}

.hero-text {
    flex: 1;
    color: #fff;
}

.hero-title {
    font-family: 'Orbitron', monospace;
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #00ffff, #ff00ff, #ffff00);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientShift 3s ease-in-out infinite;
}

.typewriter {
    border-right: 3px solid #00ffff;
    animation: typewriter 4s steps(40) 1s both, blink 1s step-end infinite;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.8;
    animation: fadeInUp 1s ease-out 0.5s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    animation: fadeInUp 1s ease-out 1s both;
}

.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, #00ffff, #0080ff);
    color: #000;
}

.btn-secondary {
    background: transparent;
    color: #00ffff;
    border: 2px solid #00ffff;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 255, 255, 0.3);
}

.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.quantum-particle {
    width: 100px;
    height: 100px;
    border: 2px solid #00ffff;
    border-radius: 50%;
    position: absolute;
    animation: orbit 10s linear infinite;
}

.quantum-particle:nth-child(2) {
    animation-delay: -3.33s;
    border-color: #ff00ff;
}

.quantum-particle:nth-child(3) {
    animation-delay: -6.66s;
    border-color: #ffff00;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: #00ffff;
    animation: bounce 2s ease-in-out infinite;
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid #00ffff;
    border-bottom: 2px solid #00ffff;
    transform: rotate(45deg);
}

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-family: 'Orbitron', monospace;
    font-size: 2.5rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 1rem;
}

.title-underline {
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, #00ffff, #ff00ff);
    margin: 0 auto;
}

/* About Section */
.about {
    padding: 100px 0;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 100%);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text {
    color: #fff;
}

.lead {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    color: #00ffff;
}

.about-text p {
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.achievements {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.achievement {
    text-align: center;
    padding: 1.5rem;
    background: rgba(0, 255, 255, 0.1);
    border-radius: 10px;
    border: 1px solid rgba(0, 255, 255, 0.3);
}

.achievement-number {
    font-family: 'Orbitron', monospace;
    font-size: 2rem;
    font-weight: 700;
    color: #00ffff;
    margin-bottom: 0.5rem;
}

.achievement-text {
    color: #fff;
    opacity: 0.8;
}

.quantum-circuit {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    border: 1px solid rgba(0, 255, 255, 0.3);
}

.qubit-line {
    width: 100px;
    height: 2px;
    background: #00ffff;
    position: relative;
}

.quantum-gate {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #00ffff, #0080ff);
    color: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    border-radius: 10px;
    animation: pulse 2s ease-in-out infinite;
}

/* Projects Section */
.projects {
    padding: 100px 0;
    background: #0a0a0a;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.8), rgba(10, 10, 10, 0.8));
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(0, 255, 255, 0.3);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.project-card:hover::before {
    left: 100%;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 255, 255, 0.2);
}

.project-icon {
    font-size: 3rem;
    color: #00ffff;
    margin-bottom: 1rem;
}

.project-card h3 {
    color: #fff;
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-family: 'Orbitron', monospace;
}

.project-card p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tag {
    background: rgba(0, 255, 255, 0.2);
    color: #00ffff;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    border: 1px solid rgba(0, 255, 255, 0.3);
}

.project-link {
    color: #00ffff;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.project-link:hover {
    color: #ff00ff;
}

/* Education Section */
.education {
    padding: 100px 0;
    background: linear-gradient(135deg, #1a1a2e 0%, #0a0a0a 100%);
}

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

.education-item {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
    padding: 2rem;
    background: rgba(0, 255, 255, 0.05);
    border-radius: 15px;
    border-left: 4px solid #00ffff;
}

.education-year {
    font-family: 'Orbitron', monospace;
    font-size: 2rem;
    font-weight: 700;
    color: #00ffff;
    min-width: 100px;
}

.education-details h3 {
    color: #fff;
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.education-details h4 {
    color: #ff00ff;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.education-details p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1rem;
}

.education-grade {
    color: #00ffff;
    font-weight: 600;
}

/* Experience Section */
.experience {
    padding: 100px 0;
    background: #0a0a0a;
}

.experience-content {
    max-width: 900px;
    margin: 0 auto;
}

.experience-item {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
    padding: 2rem;
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.8), rgba(10, 10, 10, 0.8));
    border-radius: 15px;
    border: 1px solid rgba(0, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.experience-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 255, 255, 0.1);
}

.experience-icon {
    font-size: 3rem;
    color: #00ffff;
    min-width: 80px;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 0.5rem;
}

.experience-details h3 {
    color: #fff;
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    font-family: 'Orbitron', monospace;
}

.experience-details h4 {
    color: #ff00ff;
    font-size: 1rem;
    margin-bottom: 1rem;
    font-weight: 400;
}

.experience-details p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

/* Skills Section */
.skills {
    padding: 100px 0;
    background: linear-gradient(135deg, #1a1a2e 0%, #0a0a0a 100%);
    display: block;
    visibility: visible;
}

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

.skill-item {
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.8), rgba(10, 10, 10, 0.8));
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(0, 255, 255, 0.3);
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.skill-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.skill-item:hover::before {
    left: 100%;
}

.skill-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 255, 255, 0.2);
}

.skill-icon {
    font-size: 3rem;
    color: #00ffff;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.skill-item:hover .skill-icon {
    transform: scale(1.1);
    color: #ff00ff;
}

.skill-item h4 {
    color: #fff;
    font-family: 'Orbitron', monospace;
    font-size: 1.3rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.skill-item p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    font-size: 0.9rem;
}

/* Skill categories for better organization */
.skill-category {
    margin-bottom: 3rem;
}

.skill-category h3 {
    color: #00ffff;
    font-family: 'Orbitron', monospace;
    font-size: 2rem;
    text-align: center;
    margin-bottom: 2rem;
    position: relative;
}

.skill-category h3::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #00ffff, #ff00ff);
}

.skills-subcategory {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: linear-gradient(135deg, #1a1a2e 0%, #0a0a0a 100%);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info {
    color: #fff;
}

.contact-info h3 {
    font-family: 'Orbitron', monospace;
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: #00ffff;
}

.contact-info p {
    margin-bottom: 2rem;
    opacity: 0.9;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(0, 255, 255, 0.1);
    border-radius: 10px;
    border: 1px solid rgba(0, 255, 255, 0.3);
}

.contact-method i {
    color: #00ffff;
    font-size: 1.2rem;
}

.contact-form {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(0, 255, 255, 0.3);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(0, 255, 255, 0.3);
    border-radius: 8px;
    color: #fff;
    font-family: inherit;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #00ffff;
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
}

/* Footer */
.footer {
    padding: 2rem 0;
    background: #0a0a0a;
    border-top: 1px solid rgba(0, 255, 255, 0.3);
}

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

.footer-text {
    color: rgba(255, 255, 255, 0.6);
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    color: #00ffff;
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    color: #ff00ff;
    transform: translateY(-3px);
}

/* Animations */
@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

@keyframes typewriter {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes blink {
    50% { border-color: transparent; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes orbit {
    from { transform: rotate(0deg) translateX(150px) rotate(0deg); }
    to { transform: rotate(360deg) translateX(150px) rotate(-360deg); }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(10, 10, 10, 0.95);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hero-title {
        font-size: 2.5rem;
    }

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

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

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

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

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

    .education-item,
    .experience-item {
        flex-direction: column;
        text-align: center;
    }

    .education-year {
        font-size: 1.5rem;
        min-width: auto;
    }

    .experience-icon {
        font-size: 2rem;
        min-width: auto;
        justify-content: center;
        padding-top: 0;
    }

    .footer-content {
        flex-direction: column;
        gap: 1rem;
    }
}

/* Scroll animations */
.fade-in {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Enhanced project card animations */
.project-card.fade-in {
    transform: translateY(50px) scale(0.95);
}

.project-card.visible {
    transform: translateY(0) scale(1);
    animation: projectCardEntrance 0.8s ease-out;
}

@keyframes projectCardEntrance {
    0% {
        opacity: 0;
        transform: translateY(50px) scale(0.95) rotateY(10deg);
    }
    60% {
        opacity: 0.8;
        transform: translateY(-10px) scale(1.02) rotateY(-2deg);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1) rotateY(0deg);
    }
}

/* Enhanced section animations */
section.fade-in {
    opacity: 0;
    transform: translateY(30px);
}

section.visible {
    opacity: 1;
    transform: translateY(0);
    animation: sectionFadeIn 1s ease-out;
}

@keyframes sectionFadeIn {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Quantum-themed skill animations */
.skill-item {
    opacity: 1;
    transform: translateY(0) scale(1);
    transition: all 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.skill-item.quantum-reveal {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.skill-item.visible {
    animation: quantumEntrance 0.8s ease-out forwards;
    opacity: 1;
    transform: translateY(0) scale(1);
}

@keyframes quantumEntrance {
    0% {
        opacity: 0;
        transform: translateY(50px) scale(0.8) rotateX(20deg);
    }
    50% {
        opacity: 0.7;
        transform: translateY(-10px) scale(1.05) rotateX(-5deg);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1) rotateX(0deg);
    }
}

@keyframes quantumSpin {
    0% {
        transform: scale(1) rotate(0deg);
        color: #00ffff;
    }
    25% {
        transform: scale(1.2) rotate(90deg);
        color: #ff00ff;
    }
    50% {
        transform: scale(1.1) rotate(180deg);
        color: #ffff00;
    }
    75% {
        transform: scale(1.2) rotate(270deg);
        color: #00ff00;
    }
    100% {
        transform: scale(1) rotate(360deg);
        color: #00ffff;
    }
}

/* Enhanced hover effects for skills with language-specific colors */
.skill-item:hover {
    transform: translateY(-15px) scale(1.05);
    box-shadow: 
        0 25px 50px rgba(0, 255, 255, 0.3),
        0 0 30px rgba(0, 255, 255, 0.2);
}

.skill-item:hover .skill-icon {
    animation: quantumPulse 2s ease-in-out infinite;
}

/* Python - Blue/Yellow theme */
.skill-item:has(.fa-python):hover {
    box-shadow: 
        0 25px 50px rgba(55, 118, 171, 0.4),
        0 0 30px rgba(255, 212, 59, 0.3);
    border-color: rgba(55, 118, 171, 0.6);
}

.skill-item:has(.fa-python):hover .skill-icon {
    color: #3776ab;
    filter: drop-shadow(0 0 15px #ffd43b);
}

/* JavaScript - Yellow theme */
.skill-item:has(.fa-js-square):hover {
    box-shadow: 
        0 25px 50px rgba(247, 223, 30, 0.4),
        0 0 30px rgba(247, 223, 30, 0.3);
    border-color: rgba(247, 223, 30, 0.6);
}

.skill-item:has(.fa-js-square):hover .skill-icon {
    color: #f7df1e;
    filter: drop-shadow(0 0 15px #f7df1e);
}

/* PHP - Purple theme */
.skill-item:has(.fa-php):hover {
    box-shadow: 
        0 25px 50px rgba(119, 123, 180, 0.4),
        0 0 30px rgba(119, 123, 180, 0.3);
    border-color: rgba(119, 123, 180, 0.6);
}

.skill-item:has(.fa-php):hover .skill-icon {
    color: #777bb4;
    filter: drop-shadow(0 0 15px #777bb4);
}

/* HTML5 - Orange theme */
.skill-item:has(.fa-html5):hover {
    box-shadow: 
        0 25px 50px rgba(227, 76, 38, 0.4),
        0 0 30px rgba(227, 76, 38, 0.3);
    border-color: rgba(227, 76, 38, 0.6);
}

.skill-item:has(.fa-html5):hover .skill-icon {
    color: #e34c26;
    filter: drop-shadow(0 0 15px #e34c26);
}

/* Git - Orange/Red theme */
.skill-item:has(.fa-git-alt):hover {
    box-shadow: 
        0 25px 50px rgba(240, 80, 51, 0.4),
        0 0 30px rgba(240, 80, 51, 0.3);
    border-color: rgba(240, 80, 51, 0.6);
}

.skill-item:has(.fa-git-alt):hover .skill-icon {
    color: #f05033;
    filter: drop-shadow(0 0 15px #f05033);
}

/* Microsoft/MATLAB - Blue theme */
.skill-item:has(.fa-microsoft):hover {
    box-shadow: 
        0 25px 50px rgba(0, 120, 215, 0.4),
        0 0 30px rgba(0, 120, 215, 0.3);
    border-color: rgba(0, 120, 215, 0.6);
}

.skill-item:has(.fa-microsoft):hover .skill-icon {
    color: #0078d7;
    filter: drop-shadow(0 0 15px #0078d7);
}

/* C++ - Blue theme */
.skill-item:has(.fa-code):hover {
    box-shadow: 
        0 25px 50px rgba(0, 89, 156, 0.4),
        0 0 30px rgba(0, 89, 156, 0.3);
    border-color: rgba(0, 89, 156, 0.6);
}

.skill-item:has(.fa-code):hover .skill-icon {
    color: #00599c;
    filter: drop-shadow(0 0 15px #00599c);
}

/* Quantum/Physics - Cyan/Purple gradient */
.skill-item:has(.fa-atom):hover,
.skill-item:has(.fa-flask):hover,
.skill-item:has(.fa-cogs):hover,
.skill-item:has(.fa-wave-square):hover {
    box-shadow: 
        0 25px 50px rgba(0, 255, 255, 0.4),
        0 0 30px rgba(255, 0, 255, 0.3);
    border-color: rgba(0, 255, 255, 0.6);
    background: linear-gradient(135deg, rgba(0, 255, 255, 0.1), rgba(255, 0, 255, 0.1));
}

.skill-item:has(.fa-atom):hover .skill-icon,
.skill-item:has(.fa-flask):hover .skill-icon,
.skill-item:has(.fa-cogs):hover .skill-icon,
.skill-item:has(.fa-wave-square):hover .skill-icon {
    background: linear-gradient(45deg, #00ffff, #ff00ff);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 15px #00ffff);
}

/* Database - Green theme */
.skill-item:has(.fa-database):hover {
    box-shadow: 
        0 25px 50px rgba(76, 175, 80, 0.4),
        0 0 30px rgba(76, 175, 80, 0.3);
    border-color: rgba(76, 175, 80, 0.6);
}

.skill-item:has(.fa-database):hover .skill-icon {
    color: #4caf50;
    filter: drop-shadow(0 0 15px #4caf50);
}

@keyframes quantumPulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}