/* Loading Screen Styles */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #0F0F0F;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-container {
    text-align: center;
    position: relative;
}

.logo-container {
    margin-bottom: 30px;
    animation: pulse 2s infinite;
}

.loading-logo {
    width: 120px;
    height: auto;
    filter: drop-shadow(0 0 20px #00FFFF);
}

.loading-text {
    font-family: 'Orbitron', monospace;
    font-size: 2.5em;
    font-weight: 900;
    color: #FFFFFF;
    margin-bottom: 10px;
    letter-spacing: 3px;
    background: linear-gradient(45deg, #00FFFF, #4DD0E1, #006064);
    background-size: 200% 200%;
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradient-shift 3s ease-in-out infinite;
}

.loading-subtext {
    font-family: 'Rajdhani', sans-serif;
    font-size: 1.2em;
    color: #4DD0E1;
    margin-bottom: 30px;
    animation: typewriter 2s steps(20) infinite;
}

.loading-bar {
    width: 300px;
    height: 4px;
    background: #1F1F1F;
    border-radius: 2px;
    overflow: hidden;
    margin: 0 auto 20px;
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
}

.loading-progress {
    height: 100%;
    background: linear-gradient(90deg, #00FFFF, #4DD0E1);
    border-radius: 2px;
    animation: loading-progress 3s ease-in-out infinite;
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.8);
}

.tech-grid {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    opacity: 0.1;
    z-index: -1;
}

.tech-grid::before {
    content: '';
    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;
    animation: grid-move 10s linear infinite;
}

/* Loading Animations */
@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

@keyframes typewriter {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0.5; }
}

@keyframes loading-progress {
    0% { 
        transform: translateX(-100%);
        width: 0%;
    }
    50% {
        width: 70%;
    }
    100% { 
        transform: translateX(100%);
        width: 100%;
    }
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .loading-text {
        font-size: 2em;
        letter-spacing: 2px;
    }
    
    .loading-logo {
        width: 80px;
    }
    
    .loading-bar {
        width: 250px;
    }
    
    .tech-grid {
        width: 400px;
        height: 400px;
    }
}

@media (max-width: 480px) {
    .loading-text {
        font-size: 1.5em;
        letter-spacing: 1px;
    }
    
    .loading-subtext {
        font-size: 1em;
    }
    
    .loading-bar {
        width: 200px;
    }
}