/* ============================================ */
/* RESET & BASE STYLES */
/* ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Neon Colors */
    --neon-cyan: #00d4ff;
    --neon-pink: #ff006e;
    --neon-purple: #8338ec;
    --neon-green: #00f5d4;
    --neon-yellow: #ffd60a;
    --neon-orange: #ff6d00;
    
    /* Background Colors */
    --bg-dark: #0a0a0f;
    --bg-darker: #050508;
    --bg-card: rgba(20, 20, 30, 0.6);
    --bg-glass: rgba(255, 255, 255, 0.05);
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #b8b8d1;
    --text-muted: #7676a0;
    
    /* Fonts */
    --font-title: 'Orbitron', sans-serif;
    --font-body: 'Rajdhani', sans-serif;
    --font-mono: 'Share Tech Mono', monospace;
    
    /* Spacing */
    --container-max: 1400px;
    --section-padding: 120px;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-body);
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(0, 212, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 0, 110, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(131, 56, 236, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 40px;
}

section {
    position: relative;
    padding: var(--section-padding) 0;
}

/* ============================================ */
/* PRELOADER */
/* ============================================ */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-darker);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.preloader-content {
    text-align: center;
    z-index: 2;
}

.logo-container {
    position: relative;
    margin-bottom: 60px;
}

.hologram-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    border: 3px solid var(--neon-cyan);
    border-radius: 50%;
    opacity: 0.5;
    animation: pulseRing 3s ease-in-out infinite, ringRotate 8s linear infinite;
    box-shadow: 0 0 20px var(--neon-cyan), inset 0 0 20px var(--neon-cyan);
}

.hologram-ring:nth-child(2) {
    width: 250px;
    height: 250px;
    border-color: var(--neon-purple);
    animation-delay: 0.5s;
    box-shadow: 0 0 20px var(--neon-purple), inset 0 0 20px var(--neon-purple);
}

.hologram-ring:nth-child(3) {
    width: 300px;
    height: 300px;
    border-color: var(--neon-pink);
    animation-delay: 1s;
    box-shadow: 0 0 20px var(--neon-pink), inset 0 0 20px var(--neon-pink);
}

@keyframes pulseRing {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.5;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.15);
        opacity: 0.8;
    }
}

@keyframes ringRotate {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

.preloader-title {
    font-family: var(--font-title);
    font-size: 3rem;
    font-weight: 900;
    color: var(--neon-cyan);
    text-shadow: 
        0 0 20px var(--neon-cyan), 
        0 0 40px var(--neon-cyan),
        0 0 60px var(--neon-cyan),
        0 0 80px var(--neon-cyan);
    display: flex;
    flex-direction: column;
    gap: 10px;
    animation: titlePulse 2s ease-in-out infinite;
}

@keyframes titlePulse {
    0%, 100% {
        text-shadow: 
            0 0 20px var(--neon-cyan), 
            0 0 40px var(--neon-cyan),
            0 0 60px var(--neon-cyan);
    }
    50% {
        text-shadow: 
            0 0 30px var(--neon-cyan), 
            0 0 60px var(--neon-cyan),
            0 0 90px var(--neon-cyan),
            0 0 120px var(--neon-cyan);
    }
}

.glitch {
    position: relative;
    display: block;
}

.subtitle-preload {
    font-size: 1.5rem;
    color: var(--neon-purple);
    text-shadow: 
        0 0 10px var(--neon-purple),
        0 0 20px var(--neon-purple);
    animation: subtitleGlow 2.5s ease-in-out infinite;
}

@keyframes subtitleGlow {
    0%, 100% {
        text-shadow: 
            0 0 10px var(--neon-purple),
            0 0 20px var(--neon-purple);
    }
    50% {
        text-shadow: 
            0 0 20px var(--neon-purple),
            0 0 40px var(--neon-purple),
            0 0 60px var(--neon-purple);
    }
}

.progress-bar-container {
    position: relative;
    width: 400px;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    margin: 0 auto 20px;
    overflow: hidden;
}

.progress-bar {
    position: absolute;
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--neon-cyan), var(--neon-purple), var(--neon-pink));
    border-radius: 10px;
    box-shadow: 
        0 0 20px var(--neon-cyan),
        0 0 40px var(--neon-purple),
        0 4px 20px rgba(0, 212, 255, 0.5);
    animation: progressPulse 1.5s ease-in-out infinite;
}

@keyframes progressPulse {
    0%, 100% {
        box-shadow: 
            0 0 20px var(--neon-cyan),
            0 0 40px var(--neon-purple);
    }
    50% {
        box-shadow: 
            0 0 30px var(--neon-cyan),
            0 0 60px var(--neon-purple),
            0 0 80px var(--neon-pink);
    }
}

.progress-glow {
    position: absolute;
    height: 100%;
    width: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent);
    animation: progressShine 2s linear infinite;
}

@keyframes progressShine {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.loading-text {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.loading-percentage {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    color: var(--neon-cyan);
    text-shadow: 
        0 0 10px var(--neon-cyan),
        0 0 20px var(--neon-cyan);
    animation: percentageFlicker 0.5s ease-in-out infinite;
}

@keyframes percentageFlicker {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.85;
    }
}

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

/* ============================================ */
/* NAVIGATION */
/* ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 212, 255, 0.2);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    padding: 15px 0;
    background: rgba(10, 10, 15, 0.95);
    box-shadow: 0 10px 40px rgba(0, 212, 255, 0.1);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-title);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--neon-cyan);
    text-shadow: 0 0 10px var(--neon-cyan);
}

.logo-icon {
    font-size: 2rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0%;
    height: 2px;
    background: var(--neon-cyan);
    transition: width 0.3s ease;
    box-shadow: 0 0 10px var(--neon-cyan);
}

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

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

.nav-cta {
    display: flex;
    gap: 15px;
}

.btn-primary-nav {
    padding: 10px 25px;
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.btn-primary-nav:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 30px rgba(0, 212, 255, 0.5);
}

.btn-github {
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.btn-github:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--neon-cyan);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    z-index: 1001;
}

.hamburger span {
    width: 30px;
    height: 3px;
    background: var(--neon-cyan);
    border-radius: 3px;
    transition: all 0.3s ease;
    box-shadow: 0 0 10px var(--neon-cyan);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background: rgba(10, 10, 15, 0.98);
    backdrop-filter: blur(20px);
    z-index: 999;
    transition: right 0.4s ease;
    overflow-y: auto;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-content {
    padding: 100px 40px;
}

.mobile-nav-links {
    list-style: none;
    margin-bottom: 40px;
}

.mobile-nav-link {
    display: block;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 2rem;
    font-family: var(--font-title);
    padding: 15px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.mobile-nav-link:hover {
    color: var(--neon-cyan);
    text-shadow: 0 0 10px var(--neon-cyan);
    padding-left: 20px;
}

.mobile-cta {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.btn-primary-mobile,
.btn-github-mobile {
    padding: 15px 30px;
    text-align: center;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.btn-primary-mobile {
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
    color: white;
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.btn-github-mobile {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
}

/* ============================================ */
/* HERO SECTION */
/* ============================================ */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 80px;
}

.hero-bg-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.bg-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    transform: translate(-50%, -50%);
    object-fit: cover;
    opacity: 0.2;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(255, 0, 110, 0.1));
}

.floating-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--neon-cyan);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--neon-cyan);
    animation: floatParticle 10s infinite;
}

.particle:nth-child(1) { top: 20%; left: 10%; animation-delay: 0s; }
.particle:nth-child(2) { top: 40%; left: 30%; animation-delay: 1s; background: var(--neon-pink); box-shadow: 0 0 10px var(--neon-pink); }
.particle:nth-child(3) { top: 60%; left: 50%; animation-delay: 2s; background: var(--neon-purple); box-shadow: 0 0 10px var(--neon-purple); }
.particle:nth-child(4) { top: 80%; left: 70%; animation-delay: 3s; }
.particle:nth-child(5) { top: 30%; left: 80%; animation-delay: 4s; background: var(--neon-green); box-shadow: 0 0 10px var(--neon-green); }
.particle:nth-child(6) { top: 70%; left: 20%; animation-delay: 5s; background: var(--neon-yellow); box-shadow: 0 0 10px var(--neon-yellow); }

@keyframes floatParticle {
    0%, 100% {
        transform: translateY(0) translateX(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100vh) translateX(50px);
        opacity: 0;
    }
}

.neon-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 212, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

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

.hero-content {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
    width: 100%;
    max-width: var(--container-max);
    padding: 0 40px;
}

.hero-text {
    flex: 1;
    max-width: 700px;
}

.hero-title {
    font-family: var(--font-title);
    font-size: 4.5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 30px;
    display: flex;
    flex-direction: column;
}

.title-line-1 {
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 40px rgba(0, 212, 255, 0.5);
}

.title-line-2 {
    background: linear-gradient(135deg, var(--neon-purple), var(--neon-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
    line-height: 1.6;
}

.hero-features-quick {
    display: flex;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.quick-tag {
    padding: 8px 16px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--neon-cyan);
    backdrop-filter: blur(10px);
}

.hero-cta {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.btn-primary,
.btn-secondary {
    position: relative;
    padding: 18px 40px;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
    color: white;
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 50px rgba(0, 212, 255, 0.6);
}

.btn-glow {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: btnGlow 3s linear infinite;
}

@keyframes btnGlow {
    0% { left: -100%; }
    100% { left: 100%; }
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.2);
    color: white;
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--neon-cyan);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.3);
}

/* Hero Visual */
.hero-visual {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.spline-container {
    position: relative;
    width: 500px;
    height: 500px;
}

.hologram-cube {
    position: absolute;
    width: 200px;
    height: 200px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotateX(20deg) rotateY(20deg);
    transform-style: preserve-3d;
    animation: rotateCube 20s linear infinite;
}

@keyframes rotateCube {
    0% { transform: translate(-50%, -50%) rotateX(20deg) rotateY(0deg); }
    100% { transform: translate(-50%, -50%) rotateX(20deg) rotateY(360deg); }
}

.cube-face {
    position: absolute;
    width: 200px;
    height: 200px;
    border: 2px solid var(--neon-cyan);
    background: rgba(0, 212, 255, 0.05);
    backdrop-filter: blur(10px);
    box-shadow: inset 0 0 30px rgba(0, 212, 255, 0.2);
}

.cube-face.front { transform: translateZ(100px); }
.cube-face.back { transform: rotateY(180deg) translateZ(100px); }
.cube-face.left { transform: rotateY(-90deg) translateZ(100px); }
.cube-face.right { transform: rotateY(90deg) translateZ(100px); }
.cube-face.top { transform: rotateX(90deg) translateZ(100px); }
.cube-face.bottom { transform: rotateX(-90deg) translateZ(100px); }

.hologram-rings {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 2px solid;
    border-radius: 50%;
    animation: ringPulse 3s ease-in-out infinite;
}

.ring-1 {
    width: 300px;
    height: 300px;
    border-color: var(--neon-cyan);
    animation-delay: 0s;
}

.ring-2 {
    width: 400px;
    height: 400px;
    border-color: var(--neon-purple);
    animation-delay: 1s;
}

.ring-3 {
    width: 500px;
    height: 500px;
    border-color: var(--neon-pink);
    animation-delay: 2s;
}

@keyframes ringPulse {
    0%, 100% {
        opacity: 0.2;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 0.5;
        transform: translate(-50%, -50%) scale(1.05);
    }
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-family: var(--font-mono);
}

.scroll-arrow {
    width: 2px;
    height: 40px;
    background: linear-gradient(to bottom, var(--neon-cyan), transparent);
    animation: scrollArrow 2s ease-in-out infinite;
}

@keyframes scrollArrow {
    0%, 100% { opacity: 0; transform: translateY(-10px); }
    50% { opacity: 1; transform: translateY(10px); }
}

/* ============================================ */
/* GLASS CARD EFFECT */
/* ============================================ */
.glass-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 40px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05), rgba(255, 0, 110, 0.05));
    opacity: 0;
    transition: opacity 0.4s ease;
}

.glass-card:hover {
    transform: translateY(-10px);
    border-color: rgba(0, 212, 255, 0.5);
    box-shadow: 0 20px 60px rgba(0, 212, 255, 0.2);
}

.glass-card:hover::before {
    opacity: 1;
}

/* ============================================ */
/* SECTION HEADERS */
/* ============================================ */
.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-family: var(--font-title);
    font-size: 3.5rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple), var(--neon-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
}

.section-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
}

/* ============================================ */
/* ABOUT SECTION */
/* ============================================ */
.about-section {
    background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.about-card {
    text-align: center;
}

.card-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    filter: drop-shadow(0 0 20px var(--neon-cyan));
}

.about-card h3 {
    font-family: var(--font-title);
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--neon-cyan);
}

.about-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================ */
/* FEATURES BENTO GRID */
/* ============================================ */
.features-section {
    background: var(--bg-dark);
}

.bento-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.bento-card {
    position: relative;
    padding: 40px;
}

.bento-card.large {
    grid-column: span 2;
    padding: 50px;
}

.bento-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    filter: drop-shadow(0 0 15px var(--neon-cyan));
}

.bento-card h3 {
    font-family: var(--font-title);
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.bento-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.feature-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.tag {
    padding: 6px 14px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 16px;
    font-size: 0.85rem;
    color: var(--neon-cyan);
}

.card-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(0, 212, 255, 0.1), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.bento-card:hover .card-glow {
    opacity: 1;
}

/* ============================================ */
/* INSTALLATION SECTION */
/* ============================================ */
.installation-section {
    background: linear-gradient(180deg, var(--bg-darker) 0%, var(--bg-dark) 100%);
}

.installation-steps {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.step {
    display: flex;
    align-items: flex-start;
    gap: 30px;
    padding: 40px;
}

.step-number {
    font-family: var(--font-title);
    font-size: 3rem;
    font-weight: 900;
    color: var(--neon-cyan);
    text-shadow: 0 0 20px var(--neon-cyan);
    flex-shrink: 0;
    width: 80px;
}

.step-icon {
    font-size: 3.5rem;
    filter: drop-shadow(0 0 15px var(--neon-purple));
    flex-shrink: 0;
    width: 80px;
    text-align: center;
}

.step > div {
    flex: 1;
}

.step h3 {
    font-family: var(--font-title);
    font-size: 1.6rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.step p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 15px;
}

.step-link,
.step-links a {
    color: var(--neon-cyan);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    z-index: 10;
    display: inline-block;
    cursor: pointer;
}

.step-link:hover,
.step-links a:hover {
    text-shadow: 0 0 10px var(--neon-cyan);
}

.step-links {
    display: flex;
    gap: 20px;
    position: relative;
    z-index: 10;
}

/* ============================================ */
/* GALLERY SECTION */
/* ============================================ */
.gallery-section {
    background: var(--bg-dark);
    overflow: hidden;
}

.gallery-slider {
    position: relative;
    overflow: hidden;
}

.gallery-track {
    display: flex;
    gap: 40px;
    transition: transform 0.5s ease;
}

.gallery-item {
    flex: 0 0 800px;
}

.gallery-frame {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    border: 2px solid rgba(0, 212, 255, 0.3);
    transition: all 0.4s ease;
}

.gallery-frame:hover {
    border-color: var(--neon-cyan);
    box-shadow: 0 0 40px rgba(0, 212, 255, 0.4);
}

.gallery-frame img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.4s ease;
}

.gallery-frame:hover img {
    transform: scale(1.05);
}

.frame-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(0, 212, 255, 0.2), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.gallery-frame:hover .frame-glow {
    opacity: 1;
}

.gallery-caption {
    text-align: center;
    margin-top: 20px;
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.gallery-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 60px;
    height: 60px;
    background: rgba(0, 212, 255, 0.1);
    border: 2px solid rgba(0, 212, 255, 0.3);
    border-radius: 50%;
    color: var(--neon-cyan);
    font-size: 2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    z-index: 10;
}

.gallery-nav:hover {
    background: rgba(0, 212, 255, 0.2);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.4);
}

.gallery-nav.prev {
    left: 20px;
}

.gallery-nav.next {
    right: 20px;
}

/* ============================================ */
/* VIDEO TUTORIALS */
/* ============================================ */
.tutorials-section {
    background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 40px;
}

.video-card {
    padding: 30px;
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: 12px;
    margin-bottom: 20px;
    border: 2px solid rgba(0, 212, 255, 0.3);
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.video-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 12px;
    box-shadow: inset 0 0 40px rgba(0, 212, 255, 0.2);
    pointer-events: none;
    animation: videoPulse 3s ease-in-out infinite;
}

@keyframes videoPulse {
    0%, 100% {
        box-shadow: inset 0 0 40px rgba(0, 212, 255, 0.2);
    }
    50% {
        box-shadow: inset 0 0 60px rgba(0, 212, 255, 0.4);
    }
}

.video-card h3 {
    font-family: var(--font-title);
    font-size: 1.6rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.video-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================ */
/* SECURITY NOTICE */
/* ============================================ */
.security-section {
    background: var(--bg-darker);
}

.security-notice {
    max-width: 1000px;
    margin: 0 auto;
    padding: 50px;
    text-align: center;
}

.security-icon {
    color: var(--neon-yellow);
    margin-bottom: 30px;
    filter: drop-shadow(0 0 20px var(--neon-yellow));
    animation: warningPulse 2s ease-in-out infinite;
}

@keyframes warningPulse {
    0%, 100% {
        opacity: 0.8;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
}

.security-notice h3 {
    font-family: var(--font-title);
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--neon-yellow);
}

.security-notice > p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 40px;
    font-size: 1.1rem;
}

.security-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    text-align: left;
}

.security-option {
    padding: 30px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
}

.security-option h4 {
    font-family: var(--font-title);
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--neon-cyan);
}

.security-option p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 15px;
}

.security-link {
    color: var(--neon-cyan);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.security-link:hover {
    text-shadow: 0 0 10px var(--neon-cyan);
}

/* ============================================ */
/* DOWNLOAD SECTION */
/* ============================================ */
.download-section {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05), rgba(255, 0, 110, 0.05));
}

.download-card {
    max-width: 800px;
    margin: 0 auto;
    padding: 60px;
    text-align: center;
}

.download-card h2 {
    font-family: var(--font-title);
    font-size: 3rem;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.download-card > p {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.download-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.btn-download,
.btn-source {
    position: relative;
    padding: 20px 50px;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 700;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    overflow: hidden;
}

.btn-download {
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
    color: white;
    box-shadow: 0 0 40px rgba(0, 212, 255, 0.4);
}

.btn-download:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 60px rgba(0, 212, 255, 0.6);
}

.btn-source {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.2);
    color: white;
}

.btn-source:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--neon-cyan);
}

.download-note {
    font-size: 0.95rem;
    color: var(--text-muted);
    font-style: italic;
}

/* ============================================ */
/* CONTACT SECTION */
/* ============================================ */
.contact-section {
    background: var(--bg-dark);
}

.contact-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
}

.contact-form {
    padding: 50px;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 18px 20px;
    background: rgba(255, 255, 255, 0.03);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--neon-cyan);
    background: rgba(255, 255, 255, 0.05);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
}

.input-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 10px;
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.3);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.form-group input:focus + .input-glow,
.form-group textarea:focus + .input-glow {
    opacity: 1;
}

.btn-submit {
    position: relative;
    width: 100%;
    padding: 18px 40px;
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
    border: none;
    border-radius: 10px;
    color: white;
    font-family: var(--font-body);
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    overflow: hidden;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 40px rgba(0, 212, 255, 0.5);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.info-item {
    padding: 30px;
    text-align: center;
}

.info-icon {
    font-size: 3rem;
    margin-bottom: 15px;
    filter: drop-shadow(0 0 15px var(--neon-cyan));
}

.info-item h4 {
    font-family: var(--font-title);
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--neon-cyan);
}

.info-item p,
.info-item a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.info-item a:hover {
    color: var(--neon-cyan);
    text-shadow: 0 0 10px var(--neon-cyan);
}

/* ============================================ */
/* FOOTER */
/* ============================================ */
.footer {
    position: relative;
    background: var(--bg-darker);
    padding: 80px 0 40px;
    overflow: hidden;
}

.footer-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle, rgba(0, 212, 255, 0.05) 1px, transparent 1px);
    background-size: 30px 30px;
    opacity: 0.3;
}

.footer-content {
    position: relative;
    display: grid;
    grid-template-columns: 1.5fr 2fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand h3 {
    font-family: var(--font-title);
    font-size: 2rem;
    margin-bottom: 15px;
    color: var(--neon-cyan);
    text-shadow: 0 0 10px var(--neon-cyan);
}

.footer-brand p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column h4 {
    font-family: var(--font-title);
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 12px;
}

.footer-column ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-column ul li a:hover {
    color: var(--neon-cyan);
    padding-left: 5px;
}

.footer-social {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.social-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.social-icon:hover {
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
    transform: translateY(-3px);
}

.footer-bottom {
    position: relative;
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.footer-neon-line {
    width: 200px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--neon-cyan), transparent);
    margin: 20px auto 0;
    box-shadow: 0 0 10px var(--neon-cyan);
}

/* ============================================ */
/* RESPONSIVE DESIGN */
/* ============================================ */
@media (max-width: 1200px) {
    .bento-card.large {
        grid-column: span 1;
    }
    
    .hero-content {
        flex-direction: column;
    }
    
    .hero-visual {
        width: 100%;
    }
}

@media (max-width: 992px) {
    .nav-menu {
        display: none;
    }
    
    .nav-cta {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .bento-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .video-grid {
        grid-template-columns: 1fr;
    }
    
    .step {
        grid-template-columns: 60px 1fr;
    }
    
    .step-icon {
        grid-column: 2;
        grid-row: 1;
        justify-self: start;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 80px;
    }
    
    .container {
        padding: 0 20px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        justify-content: center;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .spline-container {
        width: 350px;
        height: 350px;
    }
    
    .hologram-cube {
        width: 150px;
        height: 150px;
    }
    
    .cube-face {
        width: 150px;
        height: 150px;
    }
    
    .cube-face.front { transform: translateZ(75px); }
    .cube-face.back { transform: rotateY(180deg) translateZ(75px); }
    .cube-face.left { transform: rotateY(-90deg) translateZ(75px); }
    .cube-face.right { transform: rotateY(90deg) translateZ(75px); }
    .cube-face.top { transform: rotateX(90deg) translateZ(75px); }
    .cube-face.bottom { transform: rotateX(-90deg) translateZ(75px); }
    
    .ring-1 { width: 250px; height: 250px; }
    .ring-2 { width: 320px; height: 320px; }
    .ring-3 { width: 380px; height: 380px; }
    
    .gallery-item {
        flex: 0 0 100%;
    }
    
    .download-buttons {
        flex-direction: column;
    }
    
    .btn-download,
    .btn-source {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .preloader-title {
        font-size: 2rem;
    }
    
    .progress-bar-container {
        width: 280px;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .glass-card {
        padding: 25px;
    }
    
    .step {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .step-number,
    .step-icon {
        width: auto;
    }
    
    .step > div {
        width: 100%;
    }
}