/* Mobile Performance Optimizations */

/* Reduce motion for users who prefer it */
@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;
    }

/* Global focus-visible improvements for accessibility */
a:focus-visible,
button:focus-visible,
[role="button"]:focus-visible {
    outline: 2px solid #3b82f6;
    outline-offset: 2px;
}

/* Safe-area aware positioning for fixed floating actions (FABs/orbs) */
@media (max-width: 768px) {
    .fixed.bottom-8 {
        bottom: calc(env(safe-area-inset-bottom, 0px) + 1rem) !important;
    }
    .fixed.left-8 {
        left: calc(env(safe-area-inset-left, 0px) + 1rem) !important;
    }
    .fixed.right-8 {
        right: calc(env(safe-area-inset-right, 0px) + 1rem) !important;
    }

    /* Optionally shrink FABs on extra small screens */
    @media (max-width: 360px) {
        .fixed.bottom-8 .w-16.h-16 { width: 3.25rem; height: 3.25rem; }
    }
}

/* Override problematic vh utilities with dynamic viewport height where supported */
@supports (height: 100dvh) {
    /* Tailwind arbitrary class selectors must escape brackets */
    .min-h-\[100vh\] { min-height: 100dvh !important; }
    .min-h-\[90vh\] { min-height: 90dvh !important; }
    .min-h-\[80vh\] { min-height: 80dvh !important; }
    .min-h-\[70vh\] { min-height: 70dvh !important; }
}
}

/* Mobile-specific optimizations */
@media (max-width: 768px) {
    /* Reduce backdrop blur on mobile for performance */
    .backdrop-blur-xl {
        backdrop-filter: blur(8px);
    }
    
    .backdrop-blur-md {
        backdrop-filter: blur(4px);
    }
    
    /* Simplify animations on mobile */
    .animate-float,
    .animate-float-slow,
    .animate-blob {
        animation: none;
    }
    
    /* Optimize text rendering */
    body {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        text-rendering: optimizeSpeed;
    }
    
    /* Improve touch scrolling */
    * {
        -webkit-overflow-scrolling: touch;
    }
    
}

/* Touch-friendly improvements */
@media (hover: none) and (pointer: coarse) {
    /* Remove hover effects on touch devices */
    .hover\:scale-105:hover {
        transform: none;
    }
    
    .hover\:-translate-y-1:hover {
        transform: none;
    }
    
    /* Increase button sizes for touch */
    button,
    .btn-primary,
    .btn-secondary {
        min-height: 48px;
        min-width: 48px;
    }
}

/* Mobile typography improvements */
@media (max-width: 640px) {
    /* Better line heights for mobile */
    h1 {
        line-height: 1.1;
    }
    
    h2 {
        line-height: 1.2;
    }
    
    p {
        line-height: 1.6;
    }
    
    /* Prevent text overflow */
    * {
        word-wrap: break-word;
        overflow-wrap: break-word;
    }
}

/* Mobile navigation improvements */
@media (max-width: 768px) {
    /* Ensure mobile menu is accessible */
    #mobile-menu {
        max-height: calc(100vh - 80px);
        overflow-y: auto;
        position: relative; /* establish stacking context for backdrop */
    }
    
    /* Better mobile menu backdrop */
    #mobile-menu::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 40;
    }

    /* Keep menu content above backdrop */
    #mobile-menu > * {
        position: relative;
        z-index: 50;
    }
}

/* Mobile form improvements */
@media (max-width: 640px) {
    input,
    textarea,
    select {
        font-size: 16px; /* Prevent zoom on iOS */
        min-height: 44px;
    }
}

/* Mobile grid improvements */
@media (max-width: 640px) {
    .grid-cols-1 {
        gap: 1rem;
    }
    
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

/* Mobile card improvements */
@media (max-width: 640px) {
    .glass-card {
        padding: 1rem;
        margin-bottom: 1rem;
    }
    
    /* Simplify card effects on mobile */
    .glass-card {
        background-color: rgba(30, 41, 59, 0.8);
        backdrop-filter: none;
    }
}

/* Mobile hero section improvements */
@media (max-width: 640px) {
    /* Targeted Tech Lab hero tweaks */
    .hero-section {
        min-height: 70vh;
        padding-top: 2rem;
        padding-bottom: 2rem;
    }
    .min-h-\[80vh\] {
        min-height: 70vh;
    }
    /* Force solid color for gradient text line to guarantee contrast */
    .hero-gradient-line {
        color: #fff !important;
        -webkit-text-fill-color: #fff !important;
        background-image: none !important;
    }
    
    /* Hero decorative elements mobile fixes */
    .aspect-square {
        max-width: 280px;
        margin: 0 auto;
        padding: 1rem; /* Add padding to prevent edge clipping */
    }
    
    /* Ensure hero visual container doesn't overflow */
    .order-1.lg\:order-2 {
        padding: 1rem;
        overflow: hidden;
    }
    
    /* Ensure icons stay within bounds on very small screens */
    .absolute.top-4,
    .absolute.bottom-4,
    .absolute.left-4,
    .absolute.right-4 {
        margin: 0;
    }
    
    /* Reduce animation intensity on mobile */
    .animate-spin-very-slow,
    .animate-reverse-spin-very-slow,
    .animate-spin-extremely-slow {
        animation-duration: 60s;
    }
    /* Hide heaviest spinning ring on small screens */
    .hero-visual .animate-spin-extremely-slow { display: none; }
    /* Tone down reverse spinner */
    .hero-visual .animate-reverse-spin-very-slow { opacity: 0.25; }
    /* Reduce grid overlay and remove heavy blur layer */
    .hero-grid { opacity: 0.03 !important; }
    .hero-blur { backdrop-filter: none !important; -webkit-backdrop-filter: none !important; background: transparent !important; }
}

/* Extra small mobile devices */
@media (max-width: 375px) {
    /* Further reduce container size on very small screens */
    .aspect-square {
        max-width: 240px;
        padding: 0.75rem;
    }
    
    /* Adjust icon positioning for very small screens */
    .absolute.top-4 { top: 0.75rem; }
    .absolute.bottom-4 { bottom: 0.75rem; }
    .absolute.left-4 { left: 0.75rem; }
    .absolute.right-4 { right: 0.75rem; }
    
    /* Smaller icons on very small screens */
    .w-10.h-10 {
        width: 2rem;
        height: 2rem;
    }
    
    /* Reduce circle sizes further on very small screens */
    .w-56.h-56 {
        width: 12rem;
        height: 12rem;
    }
}

/* Landscape mobile orientation fixes */
@media (max-height: 500px) and (orientation: landscape) {
    /* Hide decorative elements in landscape on short screens */
    .order-1.lg\:order-2 {
        display: none;
    }
    
    /* Make hero single column in landscape */
    .grid.grid-cols-1.lg\:grid-cols-2 {
        grid-template-columns: 1fr;
    }

    /* Hide hero scroll indicator on short screens */
    .hero-section .scroll-indicator {
        display: none;
    }
}

/* Mobile button improvements */
@media (max-width: 640px) {
    .flex-col.sm\:flex-row {
        gap: 0.75rem;
    }
    
    /* Full width buttons on mobile */
    .flex.flex-col.sm\:flex-row > * {
        width: 100%;
        justify-content: center;
    }
}