/* ========================================
   Project Chimera - Cyberpunk Landing Page
   ======================================== */

/* CSS Variables - Color Palette & Settings */
:root {
    /* Base Colors */
    --color-black: #0A0A0A;
    --color-midnight: #001F3F;
    --color-dark-purple: #1A0A1A;
    
    /* Neon Accent Colors */
    --color-cyan: #00FFFF;
    --color-pink: #FF00FF;
    --color-green: #39FF14;
    --color-yellow: #FFFF00;
    
    /* Sub Colors */
    --color-gray: #808080;
    --color-white: #FFFFFF;
    --color-dark-gray: #1a1a1a;
    
    /* Gradients */
    --gradient-cyber: linear-gradient(135deg, var(--color-cyan), var(--color-pink));
    --gradient-dark: linear-gradient(180deg, var(--color-black), var(--color-midnight));
    
    /* Typography */
    --font-display: 'Orbitron', sans-serif;
    --font-mono: 'Share Tech Mono', monospace;
    --font-body: 'Rajdhani', sans-serif;
    
    /* Spacing */
    --section-padding: 100px 0;
    --container-width: 1200px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s ease;
    --transition-slow: 0.8s ease;
    
    /* Glow Effects */
    --glow-cyan: 0 0 10px var(--color-cyan), 0 0 20px var(--color-cyan), 0 0 40px var(--color-cyan);
    --glow-pink: 0 0 10px var(--color-pink), 0 0 20px var(--color-pink), 0 0 40px var(--color-pink);
    --glow-green: 0 0 10px var(--color-green), 0 0 20px var(--color-green), 0 0 40px var(--color-green);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-black);
    color: var(--color-white);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        repeating-linear-gradient(
            0deg,
            rgba(0, 0, 0, 0.15),
            rgba(0, 0, 0, 0.15) 1px,
            transparent 1px,
            transparent 2px
        );
    pointer-events: none;
    z-index: 9999;
    opacity: 0.3;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-black);
}

::-webkit-scrollbar-thumb {
    background: var(--color-cyan);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-pink);
}

/* Selection */
::selection {
    background: var(--color-cyan);
    color: var(--color-black);
}

/* Container */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* ========================================
   Loader Styles
   ======================================== */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-black);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-content {
    text-align: center;
    width: 300px;
}

.loader-bar {
    width: 100%;
    height: 4px;
    background: var(--color-dark-gray);
    border: 1px solid var(--color-cyan);
    position: relative;
    overflow: hidden;
    margin-bottom: 20px;
}

.loader-progress {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0%;
    background: var(--color-cyan);
    box-shadow: var(--glow-cyan);
    transition: width 0.1s ease;
}

.loader-text {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-cyan);
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.loader-percentage {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--color-pink);
    text-shadow: var(--glow-pink);
}

/* ========================================
   Sound Toggle Button
   ======================================== */
.sound-toggle {
    position: fixed;
    top: 100px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: rgba(0, 0, 0, 0.8);
    border: 2px solid var(--color-cyan);
    border-radius: 50%;
    cursor: pointer;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.sound-toggle:hover {
    border-color: var(--color-pink);
    box-shadow: var(--glow-pink);
    transform: scale(1.1);
}

.sound-toggle svg {
    width: 24px;
    height: 24px;
    color: var(--color-cyan);
}

/* ========================================
   Particle Canvas Background
   ======================================== */
#particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

/* ========================================
   Main Navigation
   ======================================== */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 255, 255, 0.2);
    transition: all var(--transition-medium);
}

.main-nav.scrolled {
    padding: 15px 40px;
    background: rgba(10, 10, 10, 0.98);
}

.nav-logo {
    display: flex;
    flex-direction: column;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--color-cyan);
    letter-spacing: 4px;
    text-shadow: var(--glow-cyan);
}

.logo-sub {
    font-family: var(--font-mono);
    font-size: 0.625rem;
    color: var(--color-pink);
    letter-spacing: 2px;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 30px;
    height: 2px;
    background: var(--color-cyan);
    transition: all var(--transition-fast);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-menu a {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-white);
    text-decoration: none;
    letter-spacing: 1px;
    position: relative;
    padding: 5px 0;
    transition: color var(--transition-fast);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-cyan);
    transition: width var(--transition-fast);
}

.nav-menu a:hover {
    color: var(--color-cyan);
}

.nav-menu a:hover::after {
    width: 100%;
}

.nav-cta {
    border: 1px solid var(--color-cyan);
    padding: 8px 20px;
    color: var(--color-cyan) !important;
    transition: all var(--transition-fast);
}

.nav-cta:hover {
    background: var(--color-cyan);
    color: var(--color-black) !important;
    box-shadow: var(--glow-cyan);
}

.nav-cta::after {
    display: none;
}

/* Mobile Nav */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        right: -100%;
        width: 280px;
        height: calc(100vh - 80px);
        background: rgba(10, 10, 10, 0.98);
        flex-direction: column;
        padding: 40px;
        transition: right var(--transition-medium);
        border-left: 1px solid var(--color-cyan);
    }
    
    .nav-menu.active {
        right: 0;
    }
}

/* ========================================
   Hero Section
   ======================================== */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at center, transparent 0%, var(--color-black) 100%),
        linear-gradient(180deg, rgba(0, 31, 63, 0.3), rgba(26, 10, 26, 0.5));
    z-index: 1;
}

.hero-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: 50px 50px;
    perspective: 500px;
    transform-style: preserve-3d;
    animation: gridMove 20s linear infinite;
    z-index: 0;
}

@keyframes gridMove {
    0% { transform: translateY(0) rotateX(60deg); }
    100% { transform: translateY(50px) rotateX(60deg); }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 20px;
}

.hero-glitch-wrapper {
    margin-bottom: 20px;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 8vw, 6rem);
    font-weight: 900;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 8px;
    position: relative;
    text-shadow: 2px 2px var(--color-pink), -2px -2px var(--color-cyan);
    animation: glitch 3s infinite;
}

@keyframes glitch {
    0%, 90%, 100% {
        text-shadow: 2px 2px var(--color-pink), -2px -2px var(--color-cyan);
        clip-path: inset(0 0 0 0);
    }
    92% {
        text-shadow: -2px 2px var(--color-pink), 2px -2px var(--color-cyan);
        clip-path: inset(10% 0 80% 0);
    }
    94% {
        text-shadow: 2px -2px var(--color-pink), -2px 2px var(--color-cyan);
        clip-path: inset(80% 0 10% 0);
    }
    96% {
        text-shadow: 0px 0px var(--color-pink), 0px 0px var(--color-cyan);
        clip-path: inset(50% 0 50% 0);
    }
}

.hero-subtitle {
    font-family: var(--font-body);
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-gray);
    max-width: 600px;
    margin: 0 auto 40px;
    letter-spacing: 2px;
}

.hero-cta-wrapper {
    margin-bottom: 60px;
}

/* Cyber Button */
.btn-cyber {
    position: relative;
    display: inline-block;
    padding: 18px 50px;
    background: transparent;
    border: 2px solid var(--color-cyan);
    color: var(--color-cyan);
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 3px;
    text-decoration: none;
    cursor: pointer;
    overflow: hidden;
    transition: all var(--transition-fast);
    clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
}

.btn-cyber::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--color-cyan);
    transition: left var(--transition-fast);
    z-index: -1;
}

.btn-cyber:hover {
    color: var(--color-black);
    box-shadow: var(--glow-cyan);
}

.btn-cyber:hover::before {
    left: 0;
}

.btn-cyber .btn-text {
    position: relative;
    z-index: 1;
}

.btn-glitch {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-cyber);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.btn-cyber:hover .btn-glitch {
    opacity: 0.3;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    animation: bounce 2s infinite;
}

.hero-scroll-indicator span {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-gray);
    letter-spacing: 2px;
}

.scroll-arrow {
    width: 20px;
    height: 30px;
    border: 2px solid var(--color-gray);
    border-radius: 10px;
    position: relative;
}

.scroll-arrow::before {
    content: '';
    position: absolute;
    top: 5px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--color-cyan);
    border-radius: 2px;
    animation: scrollDown 1.5s infinite;
}

@keyframes scrollDown {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(15px); }
}

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

/* HUD Elements */
.hero-hud {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.hud-element {
    position: absolute;
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 15px;
    border: 1px solid rgba(0, 255, 255, 0.3);
    background: rgba(0, 0, 0, 0.5);
}

.hud-element::before {
    content: '';
    position: absolute;
    top: -1px;
    left: -1px;
    width: 10px;
    height: 10px;
    border-top: 2px solid var(--color-cyan);
    border-left: 2px solid var(--color-cyan);
}

.hud-element::after {
    content: '';
    position: absolute;
    bottom: -1px;
    right: -1px;
    width: 10px;
    height: 10px;
    border-bottom: 2px solid var(--color-cyan);
    border-right: 2px solid var(--color-cyan);
}

.hud-label {
    font-family: var(--font-mono);
    font-size: 0.625rem;
    color: var(--color-gray);
    letter-spacing: 1px;
}

.hud-value {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-cyan);
    text-shadow: 0 0 5px var(--color-cyan);
}

.hud-top-left {
    top: 100px;
    left: 40px;
}

.hud-top-right {
    top: 100px;
    right: 40px;
}

.hud-bottom-left {
    bottom: 100px;
    left: 40px;
}

.hud-bottom-right {
    bottom: 100px;
    right: 40px;
}

@media (max-width: 768px) {
    .hud-element {
        padding: 10px;
        font-size: 0.625rem;
    }
    
    .hud-top-left, .hud-bottom-left {
        left: 10px;
    }
    
    .hud-top-right, .hud-bottom-right {
        right: 10px;
    }
}

/* ========================================
   Section Common Styles
   ======================================== */
section {
    padding: var(--section-padding);
    position: relative;
}

.section-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-pink);
    letter-spacing: 3px;
    padding: 5px 15px;
    border: 1px solid var(--color-pink);
    margin-bottom: 15px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 4px;
    text-shadow: 0 0 20px rgba(0, 255, 255, 0.5);
}

/* ========================================
   Prologue Section
   ======================================== */
.prologue-section {
    background: linear-gradient(180deg, var(--color-black), var(--color-dark-purple));
    position: relative;
}

.prologue-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 30% 50%, rgba(0, 255, 255, 0.05), transparent 50%),
        radial-gradient(circle at 70% 50%, rgba(255, 0, 255, 0.05), transparent 50%);
    pointer-events: none;
}

.prologue-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.prologue-text p {
    font-size: 1.125rem;
    color: var(--color-gray);
    margin-bottom: 20px;
    line-height: 1.8;
}

.prologue-text .highlight {
    color: var(--color-cyan);
    font-weight: 600;
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

.prologue-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.visual-frame {
    position: relative;
    width: 300px;
    height: 300px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.visual-core {
    width: 100px;
    height: 100px;
    background: var(--gradient-cyber);
    border-radius: 50%;
    box-shadow: var(--glow-cyan), var(--glow-pink);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.visual-ring {
    position: absolute;
    border: 2px solid transparent;
    border-radius: 50%;
    animation: rotate 10s linear infinite;
}

.visual-ring::before {
    content: '';
    position: absolute;
    top: -2px;
    left: 50%;
    width: 20px;
    height: 4px;
    background: var(--color-cyan);
}

.ring-1 {
    width: 160px;
    height: 160px;
    border-top-color: var(--color-cyan);
    border-bottom-color: var(--color-pink);
}

.ring-2 {
    width: 220px;
    height: 220px;
    border-left-color: var(--color-pink);
    border-right-color: var(--color-cyan);
    animation-direction: reverse;
    animation-duration: 15s;
}

.ring-3 {
    width: 280px;
    height: 280px;
    border-top-color: var(--color-green);
    border-bottom-color: var(--color-yellow);
    animation-duration: 20s;
}

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

@media (max-width: 992px) {
    .prologue-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .prologue-visual {
        order: -1;
    }
}

/* ========================================
   Features Section
   ======================================== */
.features-section {
    background: var(--color-black);
    position: relative;
}

.features-section::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-cyan), transparent);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-card {
    position: relative;
    padding: 40px 30px;
    background: rgba(26, 26, 26, 0.5);
    border: 1px solid rgba(0, 255, 255, 0.2);
    transition: all var(--transition-medium);
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-cyber);
    transform: scaleX(0);
    transition: transform var(--transition-medium);
}

.feature-card:hover {
    border-color: var(--color-cyan);
    box-shadow: 0 0 30px rgba(0, 255, 255, 0.1);
    transform: translateY(-5px);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon svg {
    width: 60px;
    height: 60px;
    stroke: var(--color-cyan);
    filter: drop-shadow(0 0 5px var(--color-cyan));
    transition: all var(--transition-fast);
}

.feature-card:hover .feature-icon svg {
    stroke: var(--color-pink);
    filter: drop-shadow(0 0 10px var(--color-pink));
}

.feature-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 15px;
    letter-spacing: 2px;
}

.feature-desc {
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-gray);
    line-height: 1.7;
    margin-bottom: 20px;
}

.feature-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-value {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 900;
    color: var(--color-cyan);
    text-shadow: var(--glow-cyan);
}

.stat-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-gray);
    letter-spacing: 2px;
}

/* ========================================
   Architecture Section
   ======================================== */
.architecture-section {
    background: linear-gradient(180deg, var(--color-black), var(--color-midnight));
    position: relative;
}

.architecture-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.architecture-diagram {
    position: relative;
    width: 400px;
    height: 400px;
    margin: 0 auto;
}

.diagram-core {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: var(--gradient-cyber);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 900;
    color: var(--color-black);
    box-shadow: var(--glow-cyan);
    z-index: 5;
}

.diagram-layer {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-cyan);
    border: 2px solid;
    background: rgba(0, 0, 0, 0.5);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.diagram-layer:hover {
    background: rgba(0, 255, 255, 0.2);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
}

.layer-1 {
    width: 140px;
    height: 140px;
    border-color: var(--color-cyan);
    border-radius: 10px;
    z-index: 4;
}

.layer-2 {
    width: 200px;
    height: 200px;
    border-color: var(--color-pink);
    border-radius: 15px;
    z-index: 3;
}

.layer-3 {
    width: 280px;
    height: 280px;
    border-color: var(--color-green);
    border-radius: 20px;
    z-index: 2;
}

.layer-4 {
    width: 360px;
    height: 360px;
    border-color: var(--color-yellow);
    border-radius: 25px;
    z-index: 1;
}

.architecture-info {
    position: relative;
}

.info-panel {
    padding: 25px;
    background: rgba(26, 26, 26, 0.5);
    border-left: 3px solid var(--color-gray);
    margin-bottom: 15px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.info-panel:hover,
.info-panel.active {
    border-left-color: var(--color-cyan);
    background: rgba(0, 255, 255, 0.05);
}

.info-panel h4 {
    font-family: var(--font-display);
    font-size: 1rem;
    color: var(--color-cyan);
    margin-bottom: 10px;
    letter-spacing: 1px;
}

.info-panel p {
    font-family: var(--font-body);
    font-size: 0.9375rem;
    color: var(--color-gray);
    line-height: 1.7;
}

@media (max-width: 992px) {
    .architecture-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .architecture-diagram {
        width: 100%;
        max-width: 400px;
    }
}

/* ========================================
   Future Section (Timeline)
   ======================================== */
.future-section {
    background: var(--color-black);
    position: relative;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg, var(--color-cyan), var(--color-pink), var(--color-green));
}

.timeline-item {
    position: relative;
    padding: 30px;
    width: 50%;
}

.timeline-item:nth-child(odd) {
    left: 0;
    text-align: right;
    padding-right: 50px;
}

.timeline-item:nth-child(even) {
    left: 50%;
    text-align: left;
    padding-left: 50px;
}

.timeline-marker {
    position: absolute;
    top: 30px;
    width: 20px;
    height: 20px;
    background: var(--color-black);
    border: 3px solid var(--color-cyan);
    border-radius: 50%;
    box-shadow: var(--glow-cyan);
    z-index: 1;
}

.timeline-item:nth-child(odd) .timeline-marker {
    right: -10px;
}

.timeline-item:nth-child(even) .timeline-marker {
    left: -10px;
}

.timeline-marker span {
    position: absolute;
    top: -25px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-pink);
    white-space: nowrap;
}

.timeline-item:nth-child(odd) .timeline-marker span {
    right: 25px;
}

.timeline-item:nth-child(even) .timeline-marker span {
    left: 25px;
}

.timeline-content {
    background: rgba(26, 26, 26, 0.5);
    border: 1px solid rgba(0, 255, 255, 0.2);
    padding: 25px;
    transition: all var(--transition-fast);
}

.timeline-content:hover {
    border-color: var(--color-cyan);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.1);
}

.timeline-content h4 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    color: var(--color-white);
    margin-bottom: 10px;
    letter-spacing: 2px;
}

.timeline-content p {
    font-family: var(--font-body);
    font-size: 0.9375rem;
    color: var(--color-gray);
    line-height: 1.7;
}

@media (max-width: 768px) {
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        width: 100%;
        left: 0 !important;
        text-align: left !important;
        padding-left: 60px !important;
        padding-right: 30px !important;
    }
    
    .timeline-marker {
        left: 10px !important;
        right: auto !important;
    }
    
    .timeline-marker span {
        left: 30px !important;
        right: auto !important;
    }
}

/* ========================================
   Contact Section
   ======================================== */
.contact-section {
    background: linear-gradient(180deg, var(--color-black), var(--color-dark-purple));
    position: relative;
}

.contact-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(255, 0, 255, 0.05), transparent 70%);
    pointer-events: none;
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.contact-header {
    text-align: center;
    margin-bottom: 40px;
}

.contact-tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-cyan);
    letter-spacing: 3px;
    padding: 5px 15px;
    border: 1px solid var(--color-cyan);
    margin-bottom: 15px;
}

.contact-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 4px;
    margin-bottom: 15px;
}

.contact-subtitle {
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-gray);
    letter-spacing: 2px;
}

.contact-form {
    margin-bottom: 40px;
}

.form-group {
    position: relative;
    margin-bottom: 30px;
}

.form-group label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-cyan);
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px 0;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--color-gray);
    color: var(--color-white);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-bottom-color: var(--color-cyan);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-gray);
    opacity: 0.5;
}

.form-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-cyber);
    transition: width var(--transition-fast);
}

.form-group input:focus ~ .form-line,
.form-group textarea:focus ~ .form-line {
    width: 100%;
}

.submit-btn {
    width: 100%;
    margin-top: 20px;
}

.contact-extra {
    text-align: center;
}

.countdown {
    padding: 30px;
    background: rgba(26, 26, 26, 0.5);
    border: 1px solid rgba(0, 255, 255, 0.2);
}

.countdown-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-gray);
    letter-spacing: 2px;
    margin-bottom: 20px;
}

.countdown-timer {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.timer-unit {
    text-align: center;
}

.timer-value {
    display: block;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--color-cyan);
    text-shadow: var(--glow-cyan);
    min-width: 60px;
}

.timer-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.625rem;
    color: var(--color-gray);
    letter-spacing: 2px;
    margin-top: 5px;
}

@media (max-width: 480px) {
    .timer-value {
        font-size: 1.5rem;
        min-width: 40px;
    }
    
    .timer-label {
        font-size: 0.5rem;
    }
}

/* ========================================
   Footer
   ======================================== */
.main-footer {
    background: var(--color-black);
    border-top: 1px solid rgba(0, 255, 255, 0.2);
    padding: 60px 20px 30px;
}

.footer-container {
    max-width: var(--container-width);
    margin: 0 auto;
    text-align: center;
}

.footer-logo {
    margin-bottom: 30px;
}

.footer-logo .logo-text {
    font-size: 2rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.footer-link {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-gray);
    text-decoration: none;
    letter-spacing: 1px;
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--color-cyan);
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 30px;
}

.social-link {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-gray);
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.social-link svg {
    width: 20px;
    height: 20px;
    fill: var(--color-gray);
    transition: all var(--transition-fast);
}

.social-link:hover {
    border-color: var(--color-cyan);
    box-shadow: var(--glow-cyan);
}

.social-link:hover svg {
    fill: var(--color-cyan);
}

.footer-copyright {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-copyright p {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-gray);
    letter-spacing: 1px;
}

/* ========================================
   Utility Classes & Animations
   ======================================== */
[data-aos] {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

/* Text Glow Effect */
.text-glow-cyan {
    text-shadow: var(--glow-cyan);
}

.text-glow-pink {
    text-shadow: var(--glow-pink);
}

/* Gradient Text */
.gradient-text {
    background: var(--gradient-cyber);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Responsive Utilities */
@media (max-width: 1200px) {
    :root {
        --container-width: 960px;
    }
}

@media (max-width: 768px) {
    :root {
        --container-width: 100%;
        --section-padding: 60px 0;
    }
    
    body {
        font-size: 14px;
    }
}

/* Print Styles */
@media print {
    .loader,
    .sound-toggle,
    .main-nav,
    .hero-hud,
    #particle-canvas {
        display: none !important;
    }
    
    body::before {
        display: none;
    }
}