/* Critical CSS Optimizations */

/* Preload and Critical Resource Hints */
.preload-fonts {
    font-display: swap;
}

/* Performance Optimizations */
* {
    box-sizing: border-box;
}

/* Reduce Layout Shifts */
img, video, iframe {
    max-width: 100%;
    height: auto;
}

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

/* GPU Acceleration for Smooth Animations */
.hero-logo,
.loading-icon,
.status-dot.online,
.fist-button,
.feature-card,
.stat-card,
.scroll-to-top,
.notification {
    will-change: transform;
    transform: translateZ(0);
}

/* Optimize Background Gradients */
.hero,
.about-section,
.features-section,
.stats-section,
.getting-started-section,
.server-rules-section,
.join-section,
.contact-section {
    background-attachment: fixed;
    background-repeat: no-repeat;
    background-size: cover;
}

/* Optimize Backdrop Filters */
.navbar,
.sidebar,
.fist-section,
.feature-card,
.stat-card,
.server-info-card,
.contact-form-container,
.notification {
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    isolation: isolate;
}

/* Optimize Scrolling */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    -webkit-overflow-scrolling: touch;
    overflow-x: hidden;
}

/* Optimize Font Loading */
@font-face {
    font-family: 'Rajdhani';
    font-display: swap;
    font-weight: 300 700;
}

@font-face {
    font-family: 'Orbitron';
    font-display: swap;
    font-weight: 400 900;
}

/* Critical Above-the-Fold Styles */
.hero {
    contain: layout style paint;
    min-height: 100vh;
    min-height: 100dvh; /* Dynamic viewport height */
}

/* Optimize Images */
img {
    loading: lazy;
    decoding: async;
}

/* First meaningful paint optimization */
.hero-content {
    contain: layout;
}

/* Optimize Flexbox and Grid */
.features-grid,
.stats-grid,
.tips-grid,
.rules-grid {
    contain: layout;
}

/* Optimize Transforms */
.fist-button:hover,
.feature-card:hover,
.stat-card:hover,
.scroll-to-top:hover {
    transform: translateY(-3px) translateZ(0);
}

/* Optimize Shadows */
.fist-button:hover,
.feature-card:hover,
.stat-card:hover {
    box-shadow: 0 10px 25px rgba(255, 64, 0, 0.4);
    filter: drop-shadow(0 10px 25px rgba(255, 64, 0, 0.4));
}

/* Optimize Blur Effects */
.loading-overlay,
.sidebar-overlay {
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

/* Optimize Transitions */
.nav-link,
.fist-button,
.feature-card,
.stat-card,
.sidebar-btn,
.copy-btn,
.scroll-to-top {
    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.2s cubic-bezier(0.4, 0, 0.2, 1),
                background-color 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Optimize Intersection Observer Elements */
.fade-in,
.slide-in-left,
.slide-in-right,
.scale-in {
    contain: layout style;
}

/* Optimize Modal Performance */
.sidebar,
.loading-overlay,
.notification-container {
    contain: layout style paint;
}

/* Optimize Text Rendering */
body {
    text-rendering: optimizeSpeed;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    text-rendering: optimizeLegibility;
}

/* Optimize Form Elements */
input,
textarea,
select,
button {
    font-family: inherit;
    font-size: inherit;
}

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

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(145deg, #ff4000, #ff6a00);
    border-radius: 4px;
}

/* Optimize Print Styles */
@media print {
    * {
        background: transparent !important;
        color: black !important;
        box-shadow: none !important;
        text-shadow: none !important;
    }
    
    .navbar,
    .sidebar,
    .scroll-to-top,
    .loading-overlay,
    .notification-container {
        display: none !important;
    }
}

/* Optimize High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .hero-logo,
    .nav-logo i,
    .feature-icon i,
    .stat-icon i {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Optimize Dark Mode */
@media (prefers-color-scheme: dark) {
    :root {
        color-scheme: dark;
    }
}

/* Optimize Reduced Data Mode */
@media (prefers-reduced-data: reduce) {
    .hero-background,
    .loading-overlay::before {
        background-image: none;
    }
    
    .hero,
    .about-section,
    .features-section,
    .stats-section {
        background: #000000;
    }
}

/* Container Queries for Better Responsive Design */
@container (min-width: 768px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@container (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Optimize Focus Management */
:focus-visible {
    outline: 2px solid #ff6a00;
    outline-offset: 2px;
}

/* Optimize Selection */
::selection {
    background-color: rgba(255, 106, 0, 0.3);
    color: #ffffff;
}

/* Critical CSS for Above-the-Fold Content */
.critical-css {
    /* Inline critical CSS here */
}

/* Extra: Reduce heavy effects for low-end devices */
.low-end-device .navbar,
.low-end-device .sidebar,
.low-end-device .fist-section,
.low-end-device .feature-card,
.low-end-device .stat-card,
.low-end-device .server-info-card,
.low-end-device .contact-form-container,
.low-end-device .notification,
.low-end-device .loading-overlay,
.low-end-device .sidebar-overlay {
    -webkit-backdrop-filter: none !important;
    backdrop-filter: none !important;
    background: #181818 !important;
    box-shadow: none !important;
    filter: none !important;
}

.low-end-device .hero,
.low-end-device .about-section,
.low-end-device .features-section,
.low-end-device .stats-section,
.low-end-device .getting-started-section,
.low-end-device .server-rules-section,
.low-end-device .join-section,
.low-end-device .contact-section {
    background: #181818 !important;
    background-image: none !important;
}

/* Reduce animation for low-end devices */
.low-end-device * {
    transition: none !important;
    animation: none !important;
}