:root {
    --neon-blue: #00f3ff;
    --neon-purple: #bc13fe;
    --dark-bg: #050510;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.1);
    --font-main: 'Rajdhani', sans-serif;
    --font-heading: 'Orbitron', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scrollbar-width: thin;
    scrollbar-color: var(--neon-blue) var(--dark-bg);
}

body {
    background-color: var(--dark-bg);
    color: #fff;
    font-family: var(--font-main);
    overflow-x: hidden;
    perspective: 1000px;
}

/* --- BACKGROUND ANIMATION --- */
.quantum-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    background: radial-gradient(circle at center, #1a1a2e 0%, #000 100%);
}

.wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: url('data:image/svg+xml;utf8,<svg viewBox="0 0 1200 120" xmlns="http://www.w3.org/2000/svg"><path d="M321.39,56.44c58-10.79,114.16-30.13,172-41.86,82.39-16.72,168.19-17.73,250.45-.39C823.78,31,906.67,72,985.66,92.83c70.05,18.48,146.53,26.09,214.34,3V0H0V27.35A600.21,600.21,0,0,0,321.39,56.44Z" fill="%2300f3ff" fill-opacity="0.1"/></svg>');
    background-size: 200% 100%;
    animation: waveMove 10s linear infinite;
}

.wave:nth-child(2) {
    bottom: 10px;
    opacity: 0.5;
    animation: waveMove 15s linear infinite reverse;
}

@keyframes waveMove {
    0% { background-position-x: 0; }
    100% { background-position-x: 1000px; }
}

/* --- HERO SECTION --- */
.hero-section {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
}

.hologram-tag {
    position: absolute;
    top: 20px;
    right: 20px;
    border: 1px solid var(--neon-blue);
    padding: 5px 15px;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    box-shadow: 0 0 10px var(--neon-blue);
    animation: flicker 2s infinite;
}

.profile-container {
    position: relative;
    width: 150px;
    height: 150px;
    margin-bottom: 20px;
}

.profile-img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--neon-blue);
    border: 2px solid var(--neon-blue);
    box-shadow: 0 0 20px var(--neon-blue);
    z-index: 2;
    position: relative;
}

.neon-ring {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border-radius: 50%;
    border: 2px dashed var(--neon-purple);
    animation: spin 10s linear infinite;
}

h1.glitch-text {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    text-shadow: 0 0 10px var(--neon-blue);
    letter-spacing: 2px;
}

.subtitle {
    font-size: 1.2rem;
    color: #ccc;
    margin-top: 10px;
    letter-spacing: 1px;
}

/* --- GLASS PANELS --- */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    padding: 2rem;
    margin: 2rem auto;
    max-width: 900px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    position: relative;
    overflow: hidden;
}

.glass-panel::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 2px;
    background: linear-gradient(90deg, transparent, var(--neon-purple), transparent);
}

/* --- SKILLS --- */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.skill-bar label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.skill-bar .progress {
    height: 8px;
    background: rgba(255,255,255,0.1);
    border-radius: 4px;
    position: relative;
    overflow: hidden;
}

.skill-bar .progress::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: var(--w);
    background: linear-gradient(90deg, var(--neon-blue), var(--neon-purple));
    box-shadow: 0 0 10px var(--neon-blue);
    animation: loadSkill 2s ease-out forwards;
}

/* --- PROJECTS GRID (3D TILES) --- */
.projects-section {
    padding: 4rem 2rem;
    text-align: center;
}

.section-title {
    font-family: var(--font-heading);
    margin-bottom: 3rem;
    color: var(--neon-blue);
    text-shadow: 0 0 15px var(--neon-blue);
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.project-card {
    background: linear-gradient(145deg, rgba(255,255,255,0.05), rgba(0,0,0,0.8));
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    padding: 2rem;
    transition: all 0.4s ease;
    transform-style: preserve-3d;
    cursor: pointer;
    position: relative;
}

.project-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: var(--neon-blue);
    box-shadow: 0 0 20px rgba(0, 243, 255, 0.3);
}

.project-card h3 {
    font-family: var(--font-heading);
    margin-bottom: 10px;
}

.tech-tag {
    display: inline-block;
    background: rgba(188, 19, 254, 0.2);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    margin-top: 15px;
    border: 1px solid var(--neon-purple);
}

/* --- UTK STORE & MEDIA --- */
.split-section {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    padding: 20px;
}

.video-frame {
    width: 100%;
    height: 150px;
    background: #000;
    border: 1px solid #333;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    margin-top: 15px;
}

.play-btn {
    font-size: 3rem;
    color: var(--neon-blue);
    text-shadow: 0 0 15px var(--neon-blue);
}

.store-list li {
    display: flex;
    justify-content: space-between;
    padding: 10px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.store-list .price {
    color: var(--neon-blue);
    font-weight: bold;
}

/* --- WIDGETS --- */
.neon-nav {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 20px;
    z-index: 100;
}

.nav-item {
    width: 50px;
    height: 50px;
    background: rgba(0,0,0,0.5);
    border: 1px solid var(--neon-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    cursor: pointer;
    transition: 0.3s;
}

.nav-item:hover {
    background: var(--neon-blue);
    box-shadow: 0 0 15px var(--neon-blue);
    color: #000;
}

.chatbot-bubble {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: var(--neon-purple);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: 0 0 20px var(--neon-purple);
    cursor: pointer;
    z-index: 100;
    animation: float 4s ease-in-out infinite;
}

.chatbot-bubble .tooltip {
    position: absolute;
    right: 70px;
    background: rgba(0,0,0,0.8);
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 0.8rem;
    white-space: nowrap;
    opacity: 0;
    transition: 0.3s;
    pointer-events: none;
}

.chatbot-bubble:hover .tooltip {
    opacity: 1;
}

/* --- FOOTER --- */
footer {
    text-align: center;
    padding: 2rem;
    background: #020205;
    border-top: 1px solid var(--neon-blue);
    margin-top: 50px;
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--neon-blue);
}

/* --- ANIMATIONS --- */
@keyframes spin { 100% { transform: rotate(360deg); } }
@keyframes flicker {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}
@keyframes loadSkill { from { width: 0; } }
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* --- MOBILE --- */
@media (max-width: 768px) {
    .glitch-text { font-size: 2rem; }
    .neon-nav {
        flex-direction: row;
        top: auto;
        bottom: 0;
        right: 0;
        width: 100%;
        justify-content: space-around;
        background: #000;
        padding: 10px;
        border-top: 1px solid var(--neon-blue);
    }
    .chatbot-bubble { bottom: 80px; }
}