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

/* CSS Variables for Enhanced Cyberpunk Theme */
:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a2e;
    --bg-tertiary: #16213e;
    --neon-cyan: #00ffff;
    --neon-magenta: #ff00ff;
    --neon-green: #39ff14;
    --neon-blue: #0080ff;
    --neon-purple: #ff0080;
    --neon-orange: #ff8c00;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #666666;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --shadow-glow-cyan: 0 0 20px rgba(0, 255, 255, 0.5);
    --shadow-glow-magenta: 0 0 20px rgba(255, 0, 255, 0.5);
    --shadow-glow-green: 0 0 20px rgba(57, 255, 20, 0.5);
    --shadow-glow-blue: 0 0 20px rgba(0, 128, 255, 0.5);
    --shadow-glow-purple: 0 0 20px rgba(255, 0, 128, 0.5);
    --shadow-glow-orange: 0 0 20px rgba(255, 140, 0, 0.5);
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Rajdhani', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

/* 炫酷加载屏幕 */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    z-index: 10000;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
    transform: scale(0.95);
}

.loading-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

#loading-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.loading-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 255, 255, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 255, 0.1) 1px, transparent 1px);
    background-size: 30px 30px;
    animation: grid-pulse 4s ease-in-out infinite;
}

@keyframes grid-pulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.8; }
}

.loading-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.loading-logo {
    margin-bottom: 3rem;
}

.logo-container {
    margin-bottom: 3rem;
}

.logo-text {
    font-family: 'Orbitron', monospace;
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 1rem;
    display: flex;
    justify-content: center;
    gap: 0.5rem;
}

.logo-char {
    position: relative;
    color: var(--neon-cyan);
    text-shadow: 
        0 0 10px var(--neon-cyan),
        0 0 20px var(--neon-cyan),
        0 0 30px var(--neon-cyan);
    animation: logo-glow 2s ease-in-out infinite alternate;
}

.logo-char:nth-child(1) { animation-delay: 0s; }
.logo-char:nth-child(2) { animation-delay: 0.3s; }
.logo-char:nth-child(3) { animation-delay: 0.6s; }

@keyframes logo-glow {
    0% {
        text-shadow: 
            0 0 10px var(--neon-cyan),
            0 0 20px var(--neon-cyan),
            0 0 30px var(--neon-cyan);
        transform: scale(1);
    }
    100% {
        text-shadow: 
            0 0 20px var(--neon-cyan),
            0 0 30px var(--neon-cyan),
            0 0 40px var(--neon-cyan);
        transform: scale(1.05);
    }
}

.logo-subtitle {
    font-family: 'Orbitron', monospace;
    font-size: 1.2rem;
    color: var(--neon-blue);
    text-shadow: 0 0 10px var(--neon-blue);
    letter-spacing: 0.3rem;
    animation: subtitle-fade 3s ease-in-out infinite;
}

@keyframes subtitle-fade {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; }
}

.loading-progress-container {
    margin-bottom: 2rem;
}

.loading-text {
    font-family: 'Orbitron', monospace;
    color: var(--neon-green);
    font-size: 1rem;
    margin-bottom: 1rem;
    text-shadow: 0 0 10px var(--neon-green);
    animation: loading-text-pulse 2s ease-in-out infinite;
}

@keyframes loading-text-pulse {
    0%, 100% { opacity: 0.8; }
    50% { opacity: 1; }
}

.loading-bar {
    width: 400px;
    height: 6px;
    background: rgba(0, 255, 255, 0.2);
    border-radius: 3px;
    overflow: hidden;
    position: relative;
    margin: 0 auto 1rem;
    border: 1px solid var(--neon-cyan);
}

.loading-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--neon-cyan), var(--neon-blue), var(--neon-magenta));
    border-radius: 3px;
    width: 0%;
    transition: width 0.3s ease;
    box-shadow: 0 0 15px var(--neon-cyan);
    position: relative;
}

.loading-glow {
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(90deg, transparent, var(--neon-cyan), transparent);
    border-radius: 5px;
    opacity: 0;
    animation: loading-glow 2s ease-in-out infinite;
}

@keyframes loading-glow {
    0%, 100% { opacity: 0; transform: translateX(-100%); }
    50% { opacity: 1; transform: translateX(100%); }
}

.loading-percentage {
    font-family: 'Orbitron', monospace;
    color: var(--neon-cyan);
    font-size: 1.2rem;
    font-weight: bold;
    text-shadow: 0 0 10px var(--neon-cyan);
}

.loading-messages {
    height: 2rem;
    overflow: hidden;
}

.loading-message {
    font-family: 'Orbitron', monospace;
    color: var(--neon-green);
    font-size: 0.9rem;
    text-shadow: 0 0 5px var(--neon-green);
    animation: message-slide 0.5s ease-in-out;
}

@keyframes message-slide {
    0% { transform: translateY(20px); opacity: 0; }
    100% { transform: translateY(0); opacity: 1; }
}

.loading-decorations {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.loading-circle {
    position: absolute;
    border: 2px solid var(--neon-cyan);
    border-radius: 50%;
    animation: loading-rotate 4s linear infinite;
}

.loading-circle-1 {
    width: 100px;
    height: 100px;
    top: 20%;
    left: 10%;
    animation-duration: 3s;
}

.loading-circle-2 {
    width: 60px;
    height: 60px;
    top: 70%;
    right: 15%;
    animation-duration: 5s;
    animation-direction: reverse;
}

.loading-circle-3 {
    width: 80px;
    height: 80px;
    bottom: 20%;
    left: 20%;
    animation-duration: 4s;
}

@keyframes loading-rotate {
    0% { transform: rotate(0deg); opacity: 0.3; }
    50% { opacity: 0.8; }
    100% { transform: rotate(360deg); opacity: 0.3; }
}

.loading-hexagon {
    position: absolute;
    top: 50%;
    right: 10%;
    width: 60px;
    height: 60px;
    background: transparent;
    border: 2px solid var(--neon-magenta);
    transform: rotate(30deg);
    animation: hexagon-pulse 3s ease-in-out infinite;
}

.loading-hexagon::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: transparent;
    border: 2px solid var(--neon-magenta);
    transform: rotate(60deg);
}

@keyframes hexagon-pulse {
    0%, 100% { transform: rotate(30deg) scale(1); opacity: 0.5; }
    50% { transform: rotate(30deg) scale(1.2); opacity: 1; }
}

/* Background Effects */
.background-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

#particle-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, #0a0a0a 0%, #000 100%);
}

.matrix-rain {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.1;
    overflow: hidden;
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: grid-move 20s linear infinite;
}

@keyframes grid-move {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

/* Scanline Effect */
.scanline {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--neon-cyan), transparent);
    z-index: 1000;
    animation: scanline 8s linear infinite;
    opacity: 0.7;
    pointer-events: none;
}

@keyframes scanline {
    0% { top: -2px; }
    100% { top: 100vh; }
}

/* Container Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    z-index: 1;
    position: relative;
    opacity: 0;
    animation: main-fade-in 1s ease-out 0.5s forwards;
}

@keyframes main-fade-in {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Hero Section */
.hero-section {
    text-align: center;
    padding: 4rem 0;
    position: relative;
}

.avatar-container {
    margin-bottom: 2rem;
    position: relative;
}

.avatar-wrapper {
    position: relative;
    display: inline-block;
}

.profile-avatar {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--neon-cyan);
    position: relative;
    z-index: 3;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    filter: brightness(1.1) contrast(1.2);
}

.glow-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 180px;
    height: 180px;
    border: 2px solid var(--neon-cyan);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: rotate 3s linear infinite, pulse 2s ease-in-out infinite alternate;
    box-shadow:
        0 0 30px var(--neon-cyan),
        inset 0 0 30px var(--neon-cyan);
    z-index: 1;
}

.orbit-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 220px;
    height: 220px;
    border: 1px solid var(--neon-purple);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: rotate-reverse 5s linear infinite;
    opacity: 0.6;
    z-index: 0;
}

@keyframes rotate {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes rotate-reverse {
    from { transform: translate(-50%, -50%) rotate(360deg); }
    to { transform: translate(-50%, -50%) rotate(0deg); }
}

@keyframes pulse {
    from {
        box-shadow:
            0 0 30px var(--neon-cyan),
            inset 0 0 30px var(--neon-cyan);
    }
    to {
        box-shadow:
            0 0 60px var(--neon-cyan),
            inset 0 0 60px var(--neon-cyan);
    }
}

.avatar-wrapper:hover .profile-avatar {
    transform: scale(1.1);
    border-color: var(--neon-magenta);
    box-shadow: var(--shadow-glow-magenta);
}

.avatar-wrapper:hover .glow-ring {
    border-color: var(--neon-magenta);
    box-shadow:
        0 0 40px var(--neon-magenta),
        inset 0 0 40px var(--neon-magenta);
}

.hero-title {
    margin: 2rem 0 1rem;
    font-family: 'Orbitron', monospace;
    font-size: 3.5rem;
    font-weight: 900;
    position: relative;
}

.glitch-text {
    position: relative;
    color: var(--neon-cyan);
    text-shadow:
        0 0 10px var(--neon-cyan),
        0 0 20px var(--neon-cyan),
        0 0 30px var(--neon-cyan);
    animation: glitch 3s ease-in-out infinite;
}

.glitch-text::before,
.glitch-text::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.glitch-text::before {
    color: var(--neon-magenta);
    animation: glitch-1 0.5s ease-in-out infinite alternate;
    z-index: -1;
}

.glitch-text::after {
    color: var(--neon-green);
    animation: glitch-2 0.5s ease-in-out infinite alternate;
    z-index: -2;
}

@keyframes glitch {
    0%, 90%, 100% { transform: translateX(0); }
    10% { transform: translateX(-2px); }
    20% { transform: translateX(2px); }
    30% { transform: translateX(-1px); }
    40% { transform: translateX(1px); }
    50% { transform: translateX(-2px); }
    60% { transform: translateX(2px); }
    70% { transform: translateX(-1px); }
    80% { transform: translateX(1px); }
}

@keyframes glitch-1 {
    0% { transform: translateX(-2px); opacity: 1; }
    50% { transform: translateX(2px); opacity: 0.8; }
    100% { transform: translateX(-2px); opacity: 1; }
}

@keyframes glitch-2 {
    0% { transform: translateX(2px); opacity: 1; }
    50% { transform: translateX(-2px); opacity: 0.8; }
    100% { transform: translateX(2px); opacity: 1; }
}

/* Hero Subtitle */
.hero-subtitle {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    font-family: 'Orbitron', monospace;
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.subtitle-text {
    color: var(--neon-blue);
    text-shadow: 0 0 5px var(--neon-blue);
    transition: all 0.3s ease;
}

.subtitle-text:hover {
    color: var(--neon-cyan);
    text-shadow: 0 0 10px var(--neon-cyan);
    transform: scale(1.05);
}

.subtitle-separator {
    color: var(--neon-magenta);
    font-weight: bold;
    animation: separator-pulse 2s ease-in-out infinite;
}

@keyframes separator-pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

/* Motto Section */
.motto-container {
    position: relative;
    margin: 2rem 0;
    font-size: 1.2rem;
    color: var(--text-secondary);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: 10px;
    border: 1px solid var(--glass-border);
}

.motto-prefix {
    color: var(--neon-green);
    font-family: 'Orbitron', monospace;
    font-weight: bold;
    text-shadow: 0 0 10px var(--neon-green);
}

.typing-text {
    font-family: 'Orbitron', monospace;
    color: var(--neon-green);
    text-shadow: 0 0 10px var(--neon-green);
    min-height: 1.5rem;
    font-weight: 700;
}

.cursor {
    width: 3px;
    height: 1.5rem;
    background: var(--neon-green);
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* Social Section */
.social-section {
    margin: 4rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-family: 'Orbitron', monospace;
    font-size: 2.5rem;
    color: var(--neon-blue);
    margin-bottom: 1rem;
    text-shadow: 0 0 10px var(--neon-blue);
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1rem;
    margin-top: 1rem;
}

.title-decoration {
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--neon-blue), transparent);
    margin: 0 auto;
    animation: slide 2s ease-in-out infinite alternate;
}

@keyframes slide {
    0% { width: 50px; }
    100% { width: 150px; }
}

/* Cards Grid */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    perspective: 1000px;
}

.social-card {
    position: relative;
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    padding: 2rem;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    transform-style: preserve-3d;
}

.social-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.social-card:hover::before {
    transform: translateX(100%);
}

.card-glow {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 15px;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
}

.social-card:hover {
    transform: translateY(-10px) rotateX(5deg) rotateY(5deg);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.card-content {
    position: relative;
    z-index: 2;
}

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

.card-icon {
    color: inherit;
    transition: transform 0.3s ease;
}

.social-card:hover .card-icon {
    transform: scale(1.1) rotate(5deg);
}

.card-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    font-family: 'Orbitron', monospace;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--neon-green);
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.card-content h3 {
    font-family: 'Orbitron', monospace;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.card-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.card-footer {
    margin-top: auto;
}

.card-link {
    font-size: 0.9rem;
    font-weight: bold;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.social-card:hover .card-link {
    opacity: 1;
}

/* Platform-specific colors */
.csdn-card {
    border-color: var(--neon-orange);
    color: var(--neon-orange);
}

.csdn-card .card-glow {
    background: radial-gradient(circle at 50% 50%, rgba(255, 140, 0, 0.2), transparent);
}

.csdn-card:hover {
    border-color: var(--neon-orange);
}

.csdn-card:hover .card-glow {
    opacity: 1;
    box-shadow: var(--shadow-glow-orange);
}

.juejin-card {
    border-color: var(--neon-purple);
    color: var(--neon-purple);
}

.juejin-card .card-glow {
    background: radial-gradient(circle at 50% 50%, rgba(255, 0, 128, 0.2), transparent);
}

.juejin-card:hover {
    border-color: var(--neon-purple);
}

.juejin-card:hover .card-glow {
    opacity: 1;
    box-shadow: var(--shadow-glow-purple);
}

.tencent-card {
    border-color: var(--neon-blue);
    color: var(--neon-blue);
}

.tencent-card .card-glow {
    background: radial-gradient(circle at 50% 50%, rgba(0, 128, 255, 0.2), transparent);
}

.tencent-card:hover {
    border-color: var(--neon-blue);
}

.tencent-card:hover .card-glow {
    opacity: 1;
    box-shadow: var(--shadow-glow-blue);
}

.github-card {
    border-color: var(--neon-green);
    color: var(--neon-green);
}

.github-card .card-glow {
    background: radial-gradient(circle at 50% 50%, rgba(57, 255, 20, 0.2), transparent);
}

.github-card:hover {
    border-color: var(--neon-green);
}

.github-card:hover .card-glow {
    opacity: 1;
    box-shadow: var(--shadow-glow-green);
}

/* Circuit Decoration */
.circuit-decoration {
    position: absolute;
    bottom: 15px;
    right: 15px;
    width: 80px;
    height: 40px;
    background-image: 
        linear-gradient(45deg, transparent 40%, currentColor 50%, transparent 60%),
        linear-gradient(-45deg, transparent 40%, currentColor 50%, transparent 60%);
    background-size: 4px 4px, 4px 4px;
    background-position: 0 0, 2px 2px;
    opacity: 0.2;
    transition: opacity 0.3s ease;
}

.social-card:hover .circuit-decoration {
    opacity: 0.4;
}

/* Skills Section */
.skills-section {
    margin: 4rem 0;
}

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

.skill-category {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.skill-category:hover {
    transform: translateY(-5px);
    border-color: var(--neon-cyan);
    box-shadow: 0 10px 30px rgba(0, 255, 255, 0.2);
}

.skill-category h3 {
    font-family: 'Orbitron', monospace;
    color: var(--neon-cyan);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.skill-items {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.skill-tag {
    background: rgba(0, 255, 255, 0.1);
    border: 1px solid var(--neon-cyan);
    color: var(--neon-cyan);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-family: 'Orbitron', monospace;
    transition: all 0.3s ease;
}

.skill-tag:hover {
    background: var(--neon-cyan);
    color: var(--bg-primary);
    transform: scale(1.05);
    box-shadow: 0 0 10px var(--neon-cyan);
}

/* Status Bar */
.status-bar {
    display: flex;
    justify-content: center;
    gap: 2rem;
    padding: 2rem;
    margin-top: 3rem;
    border-top: 1px solid var(--neon-cyan);
    font-family: 'Orbitron', monospace;
    font-size: 0.9rem;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: 15px 15px 0 0;
    flex-wrap: wrap;
}

.status-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.status-label {
    color: var(--text-secondary);
}

.status-value {
    padding: 0.3rem 0.8rem;
    border-radius: 5px;
    font-weight: bold;
    font-size: 0.8rem;
}

.status-value.online {
    background: var(--neon-green);
    color: var(--bg-primary);
    text-shadow: none;
    box-shadow: 0 0 10px var(--neon-green);
}

.status-value.secure {
    background: var(--neon-blue);
    color: var(--bg-primary);
    text-shadow: none;
    box-shadow: 0 0 10px var(--neon-blue);
}

/* Audio Control */
.audio-control {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 1000;
}

.audio-toggle {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--neon-cyan);
    color: var(--neon-cyan);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.audio-toggle:hover {
    background: rgba(0, 255, 255, 0.1);
    box-shadow: 0 0 20px var(--neon-cyan);
    transform: scale(1.1);
}

.audio-toggle.muted {
    color: var(--text-muted);
    border-color: var(--text-muted);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

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

    .logo-text {
        font-size: 3rem;
    }

    .loading-bar {
        width: 300px;
    }

    .cards-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .social-card {
        padding: 1.5rem;
    }

    .status-bar {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .profile-avatar {
        width: 120px;
        height: 120px;
    }

    .glow-ring {
        width: 140px;
        height: 140px;
    }

    .orbit-ring {
        width: 170px;
        height: 170px;
    }

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

    .hero-subtitle {
        flex-direction: column;
        gap: 0.5rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .logo-text {
        font-size: 2.5rem;
    }

    .loading-bar {
        width: 250px;
    }

    .motto-container {
        font-size: 1rem;
        flex-direction: column;
        gap: 1rem;
    }

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

    .audio-control {
        bottom: 1rem;
        right: 1rem;
    }

    .audio-toggle {
        width: 40px;
        height: 40px;
    }

    .loading-decorations .loading-circle {
        display: none;
    }

    .loading-hexagon {
        display: none;
    }
}

/* Performance optimizations */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --glass-bg: rgba(255, 255, 255, 0.1);
        --glass-border: rgba(255, 255, 255, 0.3);
    }
}
/* Enhanced Loading Screen Effects */
.loading-screen {
    cursor: crosshair;
}

.loading-content {
    position: relative;
    z-index: 10;
}

.logo-text {
    position: relative;
    overflow: hidden;
}

.logo-text::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.4), 
        transparent);
    animation: logo-shine 3s ease-in-out infinite;
}

@keyframes logo-shine {
    0% { left: -100%; }
    100% { left: 100%; }
}

.loading-bar {
    position: relative;
    overflow: hidden;
}

.loading-progress {
    position: relative;
    overflow: hidden;
}

.loading-progress::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, 
        rgba(255, 255, 255, 0.1) 25%, 
        transparent 25%, 
        transparent 50%, 
        rgba(255, 255, 255, 0.1) 50%, 
        rgba(255, 255, 255, 0.1) 75%, 
        transparent 75%);
    background-size: 20px 20px;
    animation: progress-stripes 1s linear infinite;
}

@keyframes progress-stripes {
    0% { background-position: 0 0; }
    100% { background-position: 20px 0; }
}

.loading-decorations {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    overflow: hidden;
}

/* Enhanced particle effects */
.loading-decorations .loading-particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--neon-cyan);
    border-radius: 50%;
    animation: particle-float 6s ease-in-out infinite;
    box-shadow: 0 0 10px var(--neon-cyan);
}

.loading-decorations .loading-particle:nth-child(1) {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
    background: var(--neon-magenta);
    box-shadow: 0 0 10px var(--neon-magenta);
}

.loading-decorations .loading-particle:nth-child(2) {
    top: 60%;
    left: 80%;
    animation-delay: 1s;
    background: var(--neon-green);
    box-shadow: 0 0 10px var(--neon-green);
}

.loading-decorations .loading-particle:nth-child(3) {
    top: 80%;
    left: 20%;
    animation-delay: 2s;
    background: var(--neon-blue);
    box-shadow: 0 0 10px var(--neon-blue);
}

.loading-decorations .loading-particle:nth-child(4) {
    top: 30%;
    left: 70%;
    animation-delay: 3s;
    background: var(--neon-orange);
    box-shadow: 0 0 10px var(--neon-orange);
}

@keyframes particle-float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
        opacity: 0.6;
    }
    25% {
        transform: translateY(-20px) rotate(90deg);
        opacity: 1;
    }
    50% {
        transform: translateY(-10px) rotate(180deg);
        opacity: 0.8;
    }
    75% {
        transform: translateY(-30px) rotate(270deg);
        opacity: 1;
    }
}

/* Loading message enhancements */
.loading-messages {
    position: relative;
    min-height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.loading-message {
    position: relative;
    font-family: 'Orbitron', monospace;
    font-weight: 500;
    letter-spacing: 1px;
    text-shadow: 0 0 10px currentColor;
}

.loading-message::before {
    content: '> ';
    color: var(--neon-green);
    font-weight: bold;
}

.loading-message::after {
    content: '';
    display: inline-block;
    width: 2px;
    height: 1em;
    background: var(--neon-green);
    margin-left: 5px;
    animation: message-cursor 1s infinite;
}

@keyframes message-cursor {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* Enhanced hexagon animation */
.loading-hexagon {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100px;
    height: 100px;
    transform: translate(-50%, -50%);
    animation: hexagon-spin 4s linear infinite;
}

.loading-hexagon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: transparent;
    border: 2px solid var(--neon-purple);
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    animation: hexagon-glow 2s ease-in-out infinite alternate;
}

@keyframes hexagon-spin {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes hexagon-glow {
    from {
        box-shadow: 0 0 20px var(--neon-purple);
        border-color: var(--neon-purple);
    }
    to {
        box-shadow: 0 0 40px var(--neon-cyan);
        border-color: var(--neon-cyan);
    }
}

/* Enhanced circuit patterns */
.loading-circuit {
    position: absolute;
    top: 20px;
    left: 20px;
    right: 20px;
    bottom: 20px;
    background-image: 
        linear-gradient(90deg, transparent 98%, var(--neon-cyan) 100%),
        linear-gradient(0deg, transparent 98%, var(--neon-cyan) 100%);
    background-size: 50px 50px;
    opacity: 0.1;
    animation: circuit-pulse 3s ease-in-out infinite;
}

@keyframes circuit-pulse {
    0%, 100% { opacity: 0.1; }
    50% { opacity: 0.3; }
}

/* Enhanced loading percentage */
.loading-percentage {
    position: relative;
    font-size: 3rem;
    font-weight: 900;
    text-shadow: 
        0 0 10px currentColor,
        0 0 20px currentColor,
        0 0 30px currentColor;
}

.loading-percentage::before {
    content: attr(data-percentage);
    position: absolute;
    top: 0;
    left: 0;
    color: var(--neon-magenta);
    z-index: -1;
    animation: percentage-glitch 0.3s ease-in-out infinite;
}

@keyframes percentage-glitch {
    0%, 90%, 100% { transform: translate(0); }
    10% { transform: translate(-1px, 1px); }
    20% { transform: translate(1px, -1px); }
    30% { transform: translate(-1px, -1px); }
    40% { transform: translate(1px, 1px); }
    50% { transform: translate(-1px, 1px); }
    60% { transform: translate(1px, -1px); }
    70% { transform: translate(-1px, -1px); }
    80% { transform: translate(1px, 1px); }
}

/* Responsive enhancements for loading screen */
@media (max-width: 768px) {
    .logo-text {
        font-size: 2.5rem;
    }
    
    .loading-percentage {
        font-size: 2rem;
    }
    
    .loading-bar {
        width: 250px;
    }
    
    .loading-hexagon {
        width: 60px;
        height: 60px;
    }
    
    .loading-decorations .loading-particle {
        width: 3px;
        height: 3px;
    }
}

@media (max-width: 480px) {
    .logo-text {
        font-size: 2rem;
    }
    
    .loading-percentage {
        font-size: 1.5rem;
    }
    
    .loading-bar {
        width: 200px;
        height: 6px;
    }
    
    .loading-message {
        font-size: 0.9rem;
    }
}

/* High performance mode for older devices */
@media (max-width: 480px) and (max-height: 800px) {
    .loading-decorations .loading-particle,
    .loading-hexagon,
    .loading-circuit {
        display: none;
    }
    
    .loading-progress::before {
        display: none;
    }
}