:root {
    --primary-color: #00ffff;
    --secondary-color: #ff00ff;
    --text-color: #ffffff;
    --bg-color: #0a0a0a;
    --accent-color: #2d3436;
    --gradient-start: #00ffff;
    --gradient-end: #ff00ff;
    --card-bg: rgba(0, 0, 0, 0.3);
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --section-padding: 5rem 2rem;
    --border-radius: 1rem;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --card-shadow: 0 8px 32px 0 rgba(0, 255, 255, 0.2);
    --neon-shadow: 0 0 20px rgba(0, 255, 255, 0.5), 0 0 40px rgba(0, 255, 255, 0.3), 0 0 60px rgba(0, 255, 255, 0.2);
    --perspective: 2000px;
    --vr-depth: 1000px;
    --rotation-speed: 15s;
    --hover-lift: 150px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
    perspective: var(--perspective);
    transform-style: preserve-3d;
    background: linear-gradient(135deg, #000000 0%, #1a1a1a 100%);
    color: var(--text-color);
}

body {
    line-height: 1.6;
    color: var(--text-color);
    transform-style: preserve-3d;
    perspective: var(--perspective);
    min-height: 100vh;
    background: linear-gradient(135deg, var(--bg-color) 0%, #000000 100%);
    position: relative;
    overflow-x: hidden;
}

canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 20%, rgba(0, 255, 255, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 80% 80%, rgba(255, 0, 255, 0.1) 0%, transparent 40%),
        linear-gradient(45deg, rgba(0, 255, 255, 0.05) 0%, rgba(255, 0, 255, 0.05) 100%);
    pointer-events: none;
    z-index: -1;
}

/* Glass Morphism Effect */
.glass-effect {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--card-shadow);
}

/* 3D Text Effect */
.text-3d {
    text-shadow: 0 1px 0 #ccc,
                 0 2px 0 #c9c9c9,
                 0 3px 0 #bbb,
                 0 4px 0 #b9b9b9,
                 0 5px 0 #aaa,
                 0 6px 1px rgba(0,0,0,.1),
                 0 0 5px rgba(0,0,0,.1),
                 0 1px 3px rgba(0,0,0,.3),
                 0 3px 5px rgba(0,0,0,.2),
                 0 5px 10px rgba(0,0,0,.25),
                 0 10px 10px rgba(0,0,0,.2),
                 0 20px 20px rgba(0,0,0,.15);
}

/* Navbar Styles */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
    transform-style: preserve-3d;
    border-bottom: 1px solid rgba(0, 255, 255, 0.3);
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
    position: relative;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    transition: var(--transition);
    transform-style: preserve-3d;
    position: relative;
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.7);
}

.logo:hover {
    transform: translateZ(20px) rotateX(10deg) rotateY(10deg);
    text-shadow: var(--neon-shadow);
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--primary-color);
    transition: var(--transition);
    box-shadow: 0 0 10px var(--primary-color);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-links a.active {
    color: var(--primary-color);
    text-shadow: 0 0 10px var(--primary-color);
}

.nav-links a.active::after {
    width: 100%;
}

/* Mobile menu styles */
.mobile-menu-button {
    display: none;
    background: transparent;
    border: none;
    color: var(--primary-color);
    font-size: 1.8rem;
    cursor: pointer;
    text-shadow: 0 0 10px var(--primary-color);
    z-index: 1001;
    position: relative;
    transition: transform 0.3s ease;
    padding: 0.5rem;
}

/* Media Queries for Responsive Design */
@media screen and (max-width: 768px) {
    .mobile-menu-button {
        display: block;
        position: absolute;
        left: 1rem;
        top: 50%;
        transform: translateY(-50%);
        font-size: 2 rem;
        color: var(--primary-color);
        box-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
    }
    
    .mobile-menu-button:hover, 
    .mobile-menu-button:focus {
        color: var(--secondary-color);
        box-shadow: 0 0 15px rgba(255, 0, 255, 0.5);
    }
    
    .nav-content {
        padding: 0 1rem;
        justify-content: center;
        position: relative;
        height: 4rem;
    }
    
    .logo {
        margin: 0;
        font-size: 2rem;
    }
    
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        flex-direction: column;
        background: rgba(0, 0, 0, 0.95);
        backdrop-filter: blur(10px);
        padding: 1rem 0;
        gap: 0;
        border-bottom: 1px solid var(--primary-color);
        transform: translateY(-20px);
        opacity: 0;
        display: none;
        transition: transform 0.3s ease, opacity 0.3s ease;
        box-shadow: 0 5px 15px rgba(0, 255, 255, 0.3);
        z-index: 1000;
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
    }
    
    .nav-links li {
        width: 100%;
        text-align: center;
    }
    
    .nav-links a {
        display: block;
        padding: 0.8rem 1rem;
        border-bottom: 1px solid rgba(0, 255, 255, 0.1);
    }
    
    .nav-links a::after {
        display: none;
    }
    
    .nav-links a:hover, 
    .nav-links a.active {
        background: rgba(0, 255, 255, 0.1);
    }
    
    .nav-links li:last-child a {
        border-bottom: none;
    }
    
    /* Additional mobile styles */
    section {
        padding: 4rem 1rem;
    }
    
    .hero-content {
        padding: 2rem 1rem;
        margin: 0 1rem;
    }
    
    .profile-image {
        width: 150px;
        height: 150px;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero .subtitle {
        font-size: 1.2rem;
    }
    
    .contact-info {
        flex-direction: column;
        gap: 0.8rem;
    }
}

/* Hero Section */
.hero {
    min-height: 100vh;
    position: relative;
    overflow: hidden;
    transform-style: preserve-3d;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
}

.hero::after {
    content: '';
    position: absolute;
    inset: -50%;
    background: 
        linear-gradient(45deg, transparent 0%, rgba(0, 255, 255, 0.1) 50%, transparent 100%) repeat,
        linear-gradient(-45deg, transparent 0%, rgba(255, 0, 255, 0.1) 50%, transparent 100%) repeat;
    background-size: 200px 200px;
    animation: gridMove 20s linear infinite;
    transform: translateZ(-500px) rotateX(45deg);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    transform-style: preserve-3d;
    animation: heroFloat 10s ease-in-out infinite;
    text-align: center;
    max-width: 800px;
    padding: 3rem;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    border: 1px solid rgba(0, 255, 255, 0.3);
    box-shadow: 0 0 30px rgba(0, 255, 255, 0.3), 0 0 60px rgba(255, 0, 255, 0.2);
}

.profile-container {
    margin-bottom: 2rem;
    transform-style: preserve-3d;
    perspective: var(--perspective);
}

.profile-image {
    width: 200px;
    height: 200px;
    margin: 0 auto 2rem;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid var(--primary-color);
    box-shadow: var(--neon-shadow);
    transform-style: preserve-3d;
    transition: var(--transition);
    position: relative;
}

.profile-image::before,
.profile-image::after {
    content: '';
    position: absolute;
    inset: -5px;
    border-radius: 50%;
    border: 2px solid var(--primary-color);
    animation: pulseGlow 2s ease-in-out infinite alternate;
}

.profile-image::after {
    animation-delay: -1s;
    border-color: var(--secondary-color);
}

.profile-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform-style: preserve-3d;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 15px rgba(0, 255, 255, 0.5);
    position: relative;
}

.hero .subtitle {
    font-size: 1.5rem;
    color: var(--text-color);
    margin-bottom: 1rem;
    text-shadow: 0 0 10px rgba(255, 0, 255, 0.5);
}

.location {
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    text-shadow: 0 0 10px rgba(255, 0, 255, 0.5);
}

.contact-info {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.contact-info a {
    color: var(--text-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
    padding: 0.7rem 1.2rem;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 2rem;
    border: 1px solid rgba(0, 255, 255, 0.3);
    backdrop-filter: blur(5px);
}

.contact-info a:hover {
    color: var(--primary-color);
    transform: translateY(-5px) translateZ(20px);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.5);
    border-color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 1.5rem;
}

.social-links a {
    color: var(--text-color);
    font-size: 1.5rem;
    transition: var(--transition);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.5);
    border: 2px solid rgba(0, 255, 255, 0.3);
    backdrop-filter: blur(5px);
}

.social-links a:hover {
    color: var(--primary-color);
    transform: translateY(-5px) translateZ(30px) scale(1.2);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.7);
    border-color: var(--primary-color);
}

/* Section Styles */
section {
    padding: var(--section-padding);
    opacity: 1 !important;
    transform: none !important;
    background: transparent;
    position: relative;
    z-index: 1;
}

section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.5));
    z-index: -1;
}

section:nth-child(even)::before {
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.7));
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    text-shadow: 0 0 15px rgba(0, 255, 255, 0.5);
}

h2 i {
    font-size: 2rem;
    text-shadow: 0 0 15px rgba(0, 255, 255, 0.8);
}

/* Resume Section */
.resume {
    margin: 2rem auto;
    max-width: 1000px;
    padding: var(--section-padding);
    border-radius: var(--border-radius);
    transform-style: preserve-3d;
    position: relative;
    overflow: hidden;
}

.resume::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(0, 255, 255, 0.1), rgba(255, 0, 255, 0.1));
    z-index: -1;
    transform: translateZ(-10px);
}

.resume h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    text-align: center;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.resume h2 i {
    margin-right: 0.5rem;
    text-shadow: 0 0 10px var(--primary-color);
}

.resume-content {
    text-align: center;
    margin: 0 auto;
    max-width: 600px;
}

.resume-content p {
    margin-bottom: 2rem;
    font-size: 1.1rem;
    line-height: 1.6;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--primary-color), rgba(0, 100, 255, 0.8));
    color: var(--text-color);
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid var(--primary-color);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 1px;
    z-index: 1;
}

.download-btn .btn-text {
    position: relative;
    z-index: 3;
    margin-right: 10px;
}

.download-btn i {
    font-size: 1.2rem;
    margin-left: 0.5rem;
    position: relative;
    z-index: 3;
    transition: transform 0.3s ease;
}

.download-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 25px rgba(0, 255, 255, 0.8);
}

.download-btn:hover i {
    transform: translateY(3px);
}

.download-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.7s ease;
    z-index: 2;
}

.download-btn:hover::before {
    left: 100%;
}

.btn-glitch {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--secondary-color), rgba(255, 0, 100, 0.8));
    z-index: 0;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.download-btn:hover .btn-glitch {
    opacity: 0.5;
    animation: glitch 0.3s linear infinite alternate;
}

@keyframes glitch {
    0% {
        clip-path: polygon(0 0, 100% 0, 100% 2%, 0 2%, 0 15%, 100% 15%, 100% 20%, 0 20%, 0 45%, 100% 45%, 100% 50%, 0 50%, 0 75%, 100% 75%, 100% 80%, 0 80%);
    }
    20% {
        clip-path: polygon(0 5%, 100% 5%, 100% 7%, 0 7%, 0 20%, 100% 20%, 100% 25%, 0 25%, 0 50%, 100% 50%, 100% 55%, 0 55%, 0 70%, 100% 70%, 100% 85%, 0 85%);
    }
    40% {
        clip-path: polygon(0 10%, 100% 10%, 100% 12%, 0 12%, 0 25%, 100% 25%, 100% 30%, 0 30%, 0 55%, 100% 55%, 100% 60%, 0 60%, 0 65%, 100% 65%, 100% 90%, 0 90%);
    }
    60% {
        clip-path: polygon(0 15%, 100% 15%, 100% 17%, 0 17%, 0 30%, 100% 30%, 100% 35%, 0 35%, 0 60%, 100% 60%, 100% 65%, 0 65%, 0 70%, 100% 70%, 100% 95%, 0 95%);
    }
    80% {
        clip-path: polygon(0 20%, 100% 20%, 100% 22%, 0 22%, 0 35%, 100% 35%, 100% 40%, 0 40%, 0 65%, 100% 65%, 100% 70%, 0 70%, 0 75%, 100% 75%, 100% 80%, 0 80%);
    }
    100% {
        clip-path: polygon(0 25%, 100% 25%, 100% 27%, 0 27%, 0 40%, 100% 40%, 100% 45%, 0 45%, 0 70%, 100% 70%, 100% 75%, 0 75%, 0 80%, 100% 80%, 100% 85%, 0 85%);
    }
}

/* Media Queries for Resume Section */
@media screen and (max-width: 768px) {
    .resume {
        padding: 3rem 1.5rem;
        margin: 1.5rem 1rem;
    }
    
    .resume h2 {
        font-size: 2rem;
    }
    
    .resume-content p {
        font-size: 1rem;
    }
    
    .download-btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
}

/* About Section */
.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    font-size: 1.2rem;
    line-height: 1.8;
    padding: 2.5rem;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    border: 1px solid rgba(0, 255, 255, 0.3);
    box-shadow: 0 0 30px rgba(0, 255, 255, 0.2);
    transform-style: preserve-3d;
    transition: var(--transition);
}

.about-content:hover {
    transform: translateZ(30px);
    box-shadow: 0 0 40px rgba(0, 255, 255, 0.4);
}

/* Education Section */
.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.education-item {
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 255, 255, 0.3);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    transform-style: preserve-3d;
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.2);
}

.education-item:hover {
    transform: translateZ(var(--hover-lift)) rotateX(-10deg) rotateY(10deg);
    box-shadow: 
        0 0 30px rgba(0, 255, 255, 0.4),
        0 0 60px rgba(255, 0, 255, 0.3);
    border-color: var(--primary-color);
}

.education-item h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

.degree {
    font-weight: 500;
    margin-bottom: 0.5rem;
    text-shadow: 0 0 10px rgba(255, 0, 255, 0.5);
}

.grade {
    color: var(--secondary-color);
    font-weight: 600;
    margin-bottom: 0.5rem;
    text-shadow: 0 0 10px rgba(255, 0, 255, 0.5);
}

.duration {
    color: var(--text-color);
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Experience Section */
.experience-item {
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 255, 255, 0.3);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.2);
    transform-style: preserve-3d;
}

.experience-item:hover {
    transform: translateZ(var(--hover-lift)) rotateX(-10deg) rotateY(10deg);
    box-shadow: 
        0 0 30px rgba(0, 255, 255, 0.4),
        0 0 60px rgba(255, 0, 255, 0.3);
    border-color: var(--primary-color);
}

.experience-item h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

.company {
    font-weight: 600;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
    text-shadow: 0 0 10px rgba(255, 0, 255, 0.5);
}

.experience-item ul {
    margin-top: 1rem;
    list-style: none;
}

.experience-item ul li {
    margin-bottom: 0.5rem;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.experience-item ul li i {
    color: var(--primary-color);
    margin-top: 0.3rem;
}

/* Projects Section */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.project-card {
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 255, 255, 0.3);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    transform-style: preserve-3d;
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.2);
}

.project-card:hover {
    transform: translateZ(var(--hover-lift)) rotateX(-10deg) rotateY(10deg);
    box-shadow: 
        0 0 30px rgba(0, 255, 255, 0.4),
        0 0 60px rgba(255, 0, 255, 0.3);
    border-color: var(--primary-color);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.project-header h3 {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin: 0;
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

.project-links {
    display: flex;
    gap: 1rem;
}

.project-link {
    background: linear-gradient(135deg, var(--primary-color), rgba(0, 255, 255, 0.7));
    border: none;
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.5);
    transition: var(--transition);
}

.project-link:hover {
    background: linear-gradient(135deg, var(--secondary-color), rgba(255, 0, 255, 0.7));
    transform: translateY(-5px) translateZ(20px);
    box-shadow: 0 0 20px rgba(255, 0, 255, 0.6);
}

.video-link {
    background: linear-gradient(135deg, var(--secondary-color), rgba(255, 0, 255, 0.7));
}

.video-link:hover {
    background: linear-gradient(135deg, var(--primary-color), rgba(0, 255, 255, 0.7));
}

.tech-stack {
    color: var(--secondary-color);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    text-shadow: 0 0 10px rgba(255, 0, 255, 0.5);
}

.project-description {
    line-height: 1.6;
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.skill-category {
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 255, 255, 0.3);
    border-radius: var(--border-radius);
    padding: 2.5rem;
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.2);
    transform-style: preserve-3d;
    transition: var(--transition);
}

.skill-category:hover {
    transform: translateZ(30px);
    box-shadow: 0 0 30px rgba(0, 255, 255, 0.4);
    border-color: var(--primary-color);
}

.skill-category h3 {
    color: var(--primary-color);
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

.skill-items {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.skill-items span {
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    border: 1px solid rgba(0, 255, 255, 0.3);
    padding: 0.8rem 1.5rem;
    border-radius: 2rem;
    color: var(--text-color);
    font-weight: 500;
    letter-spacing: 1px;
    transition: var(--transition);
    transform-style: preserve-3d;
}

.skill-items span:hover {
    transform: translateZ(30px) scale(1.1);
    box-shadow: 
        0 0 20px rgba(0, 255, 255, 0.5),
        0 0 40px rgba(255, 0, 255, 0.3);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Achievements Section */
.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.achievement-item {
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 255, 255, 0.3);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.2);
    transform-style: preserve-3d;
}

.achievement-item:hover {
    transform: translateZ(var(--hover-lift)) rotateX(-10deg) rotateY(10deg);
    box-shadow: 
        0 0 30px rgba(0, 255, 255, 0.4),
        0 0 60px rgba(255, 0, 255, 0.3);
    border-color: var(--primary-color);
}

.achievement-item i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.achievement-item h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

.achievement-item ul {
    list-style: none;
}

.achievement-item ul li {
    margin-bottom: 0.8rem;
    line-height: 1.6;
}

/* Footer */
footer {
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    padding: 4rem 2rem;
    margin-top: 4rem;
    border-top: 1px solid rgba(0, 255, 255, 0.3);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.footer-section h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.language-items, .interest-items {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.language-items span, .interest-items span {
    background-color: white;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.copyright {
    grid-column: 1 / -1;
    text-align: center;
    margin-top: 2rem;
    color: var(--text-color);
    opacity: 0.8;
}

/* VR Button */
.vr-button {
    background: linear-gradient(135deg, var(--primary-color), rgba(0, 255, 255, 0.7));
    border: none;
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.5);
    transition: var(--transition);
    transform-style: preserve-3d;
}

.vr-button:hover {
    transform: translateY(-5px) translateZ(20px);
    box-shadow: 0 0 25px rgba(0, 255, 255, 0.7);
}

/* Animations */
@keyframes heroFloat {
    0%, 100% {
        transform: translateZ(0) rotateX(0) rotateY(0);
    }
    25% {
        transform: translateZ(100px) rotateX(5deg) rotateY(5deg);
    }
    50% {
        transform: translateZ(200px) rotateX(-5deg) rotateY(-5deg);
    }
    75% {
        transform: translateZ(100px) rotateX(5deg) rotateY(-5deg);
    }
}

@keyframes gridMove {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 200px 200px;
    }
}

@keyframes pulseGlow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(0, 255, 255, 0.5);
        transform: translateZ(-20px) scale(1);
    }
    50% {
        box-shadow: 0 0 40px rgba(0, 255, 255, 0.8);
        transform: translateZ(-20px) scale(1.1);
    }
}

/* VR Mode Class */
.vr-mode {
    transform: scale(0.8) rotateX(45deg) translateZ(-500px);
    transition: transform 1s cubic-bezier(0.645, 0.045, 0.355, 1);
}

.vr-mode .hero-content,
.vr-mode .project-card,
.vr-mode .education-item,
.vr-mode .experience-item,
.vr-mode .achievement-item {
    transform: translateZ(200px) !important;
}

/* Research Papers Section */
.research {
    padding: var(--section-padding);
    opacity: 1 !important;
    transform: none !important;
    background: transparent;
    position: relative;
    z-index: 1;
}

.research-item {
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 255, 255, 0.3);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.2);
    margin-bottom: 2rem;
}

.research-item h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

.institution {
    font-weight: 600;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
    text-shadow: 0 0 10px rgba(255, 0, 255, 0.5);
}

.research-content {
    margin-top: 1.5rem;
}

.research-topics {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin: 1.5rem 0;
}

.research-topics span {
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    border: 1px solid rgba(0, 255, 255, 0.3);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    color: var(--text-color);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    transform-style: preserve-3d;
}

.research-topics span:hover {
    transform: translateZ(20px) scale(1.1);
    box-shadow: 
        0 0 15px rgba(0, 255, 255, 0.5),
        0 0 30px rgba(255, 0, 255, 0.3);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.paper-link {
    margin-top: 1.5rem;
}

.paper-link a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), rgba(0, 255, 255, 0.7));
    border: none;
    border-radius: 2rem;
    color: #000;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.5);
}

.paper-link a:hover {
    background: linear-gradient(135deg, var(--secondary-color), rgba(255, 0, 255, 0.7));
    box-shadow: 0 0 20px rgba(255, 0, 255, 0.7);
    transform: translateY(-5px) translateZ(20px);
}