/* Font Optimization CSS - Advanced font loading strategies */

/* Critical Fonts - Load immediately with swap */
@font-face {
    font-family: 'Baloo Thambi 2';
    src: url('../../fonts/baloo-thambi2-regular.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
    font-preload: true;
}

@font-face {
    font-family: 'Baloo Thambi 2';
    src: url('../../fonts/baloo-thambi2-medium.ttf') format('truetype');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
    font-preload: true;
}

@font-face {
    font-family: 'Roboto Slab';
    src: url('../../fonts/roboto-slab-regular.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
    font-preload: true;
}

@font-face {
    font-family: 'Roboto Slab';
    src: url('../../fonts/roboto-slab-medium.ttf') format('truetype');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
    font-preload: true;
}

/* Non-Critical Fonts - Load in background */
@font-face {
    font-family: 'Baloo Thambi 2';
    src: url('../../fonts/baloo-thambi2-bold.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
    font-display: optional;
}

@font-face {
    font-family: 'Baloo Thambi 2';
    src: url('../../fonts/baloo-thambi2-semi-bold.ttf') format('truetype');
    font-weight: 600;
    font-style: normal;
    font-display: optional;
}

@font-face {
    font-family: 'Baloo Thambi 2';
    src: url('../../fonts/baloo-thambi2-extra-bold.ttf') format('truetype');
    font-weight: 800;
    font-style: normal;
    font-display: optional;
}

@font-face {
    font-family: 'Roboto Slab';
    src: url('../../fonts/roboto-slab-bold.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
    font-display: optional;
}

@font-face {
    font-family: 'Roboto Slab';
    src: url('../../fonts/roboto-slab-semi-bold.ttf') format('truetype');
    font-weight: 600;
    font-style: normal;
    font-display: optional;
}

@font-face {
    font-family: 'Roboto Slab';
    src: url('../../fonts/roboto-slab-light.ttf') format('truetype');
    font-weight: 300;
    font-style: normal;
    font-display: optional;
}

@font-face {
    font-family: 'Roboto Slab';
    src: url('../../fonts/roboto-slab-thin.ttf') format('truetype');
    font-weight: 100;
    font-style: normal;
    font-display: optional;
}

@font-face {
    font-family: 'Roboto Slab';
    src: url('../../fonts/roboto-slab-extra-bold.ttf') format('truetype');
    font-weight: 800;
    font-style: normal;
    font-display: optional;
}

@font-face {
    font-family: 'Roboto Slab';
    src: url('../../fonts/roboto-slab-black.ttf') format('truetype');
    font-weight: 900;
    font-style: normal;
    font-display: optional;
}

/* Font Fallback Classes with Performance Optimization */
.font-baloo {
    font-family: 'Baloo Thambi 2', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-display: swap;
    font-synthesis: none; /* Prevent browser from synthesizing bold/italic */
}

.font-roboto {
    font-family: 'Roboto Slab', Georgia, 'Times New Roman', serif;
    font-display: swap;
    font-synthesis: none;
}

/* Font Loading States */
.font-loading {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.font-loaded {
    opacity: 1;
}

/* Font Size Optimization */
.font-size-optimized {
    font-size-adjust: 0.5; /* Optimize font size for better readability */
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Critical Text Rendering */
.critical-text {
    font-display: swap;
    font-synthesis: none;
    text-rendering: optimizeSpeed;
}

/* Non-Critical Text Rendering */
.non-critical-text {
    font-display: optional;
    font-synthesis: none;
    text-rendering: optimizeLegibility;
}

/* Font Loading Animation */
@keyframes fontFadeIn {
    from {
        opacity: 0;
        transform: translateY(2px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.font-animate {
    animation: fontFadeIn 0.3s ease-out;
}

/* Font Loading Performance Hints */
.font-performance-hint {
    contain: layout style paint;
    will-change: font-display;
}

/* Responsive Font Loading */
@media (max-width: 768px) {
    .font-baloo,
    .font-roboto {
        font-display: swap; /* Always swap on mobile for better performance */
    }
}

/* Print Media Optimization */
@media print {
    .font-baloo,
    .font-roboto {
        font-display: block; /* Block font loading for print */
    }
}

/* High DPI Display Optimization */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .font-baloo,
    .font-roboto {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
}