/*
Theme Name: SKOF Theme
Theme URI: https://skof.org.pl
Author: SKOF Team
Author URI: https://skof.org.pl
Description: Nowoczesny theme dla Społecznego Komitetu Ochrony Falent - WordPress 6.7+ z pełnym SEO, automatyzacją Yoast i zaawansowanym sliderem. Zoptymalizowany pod kątem wydajności mobilnej i obrazków WebP (60% kompresja). Hero slider + logo używają WebP z responsive images. Slider wyższy (120px offset), tekst wyśrodkowany. Hamburger menu widoczny, search ukryty na mobile. Async CSS loading. Maksymalnie zredukowany main-thread work. Eliminacja CLS. Responsive images + WebP optimization.
Version: 2.2.3
Requires at least: 6.7
Tested up to: 6.7
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: skof
Tags: blog, custom-menu, featured-images, threaded-comments, translation-ready, custom-post-type, responsive-design, seo-ready, yoast-seo, performance-optimized, webp, accessibility-ready

SKOF Theme - Społeczny Komitet Ochrony Falent
*/

/* ==========================================================================
   FONT OPTIMIZATION - Prevent CLS (Cumulative Layout Shift)
   ========================================================================== */

/**
 * Fallback font with size-adjust to match Google Fonts metrics
 * Prevents layout shift when web fonts load
 * 
 * Based on: https://web.dev/optimize-cls/#web-fonts-causing-foutfoit
 */

/* Fallback for Noto Serif (used in hero-title) */
@font-face {
    font-family: 'Noto Serif Fallback';
    src: local('Georgia'), local('Times New Roman'), local('serif');
    size-adjust: 106.5%; /* Tuned to match Noto Serif metrics */
    ascent-override: 94%;
    descent-override: 26%;
    line-gap-override: 0%;
}

/* Fallback for Source Sans Pro */
@font-face {
    font-family: 'Source Sans Pro Fallback';
    src: local('Arial'), local('Helvetica'), local('sans-serif');
    size-adjust: 107.5%; /* Tuned to match Source Sans Pro metrics */
    ascent-override: 90%;
    descent-override: 22%;
    line-gap-override: 0%;
}

/* ==========================================================================
   Base Styles & Variables
   ========================================================================== */

:root {
    /* Colors */
    --color-primary: #b3c938;      /* Zielony SKOF */
    --color-primary-dark: #6b7d00; /* Ciemny zielony dla tekstu (WCAG AA) */
    --color-secondary: #55677f;    /* Niebieski */
    --color-secondary-dark: #3d4d5c; /* Ciemny niebieski dla tekstu (WCAG AA) */
    --color-accent: #FFBA5A;       /* Pomarańczowy/złoty */
    --color-text: #333;
    --color-text-light: #666;
    --color-text-lighter: #757575; /* Contrast-safe gray */
    --color-bg: #ffffff;
    --color-bg-light: #f5f5f5;
    --color-border: #ddd;
    
    /* Typography */
    --font-primary: 'Noto Serif', 'Noto Serif Fallback', Georgia, serif;
    --font-secondary: 'Source Sans Pro', 'Source Sans Pro Fallback', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Container */
    --container-width: 1200px;
    --container-padding: 20px;
    
    /* Transitions */
    --transition-base: 0.3s ease;
}

/* ==========================================================================
   Reset & Base
   ========================================================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-secondary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--color-text);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
}

a {
    color: var(--color-primary-dark);
    text-decoration: none;
    transition: color var(--transition-base);
}

a:hover {
    color: var(--color-secondary-dark);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
}

/* Wyłącz WordPress default borders */
img[class*="wp-image-"],
img[class*="attachment-"],
.wp-post-image,
a img,
figure img {
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
}

/* Wyłącz żółte ramki z edytora WordPress (Gutenberg) */
.patronage-section img,
.partners-section img,
.sponsors-section img,
#patronage img,
#partners img,
#sponsors img {
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
}

ul, ol {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

/* ==========================================================================
   Layout
   ========================================================================== */

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

.container-wide {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.container-narrow {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
    display: inline-block;
    min-height: 48px;
    min-width: 48px;
    padding: 12px 30px;
    font-family: var(--font-secondary);
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition-base);
    line-height: 1.5;
}

.btn-primary {
    background-color: var(--color-primary-dark);
    color: #fff;
    border-color: var(--color-primary-dark);
}

.btn-primary:hover {
    background-color: var(--color-secondary-dark);
    color: #fff;
    border-color: var(--color-secondary-dark);
}

.btn-secondary {
    background-color: var(--color-secondary);
    color: #fff;
    border-color: var(--color-secondary);
}

.btn-secondary:hover {
    background-color: transparent;
    color: var(--color-secondary);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    border-width: 2px;
}

.btn-outline:hover {
    background-color: var(--color-primary-dark);
    color: #fff;
    border-color: var(--color-primary-dark);
}

/* ==========================================================================
   Utilities
   ========================================================================== */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

.pt-sm { padding-top: var(--spacing-sm); }
.pt-md { padding-top: var(--spacing-md); }
.pt-lg { padding-top: var(--spacing-lg); }
.pt-xl { padding-top: var(--spacing-xl); }

.pb-sm { padding-bottom: var(--spacing-sm); }
.pb-md { padding-bottom: var(--spacing-md); }
.pb-lg { padding-bottom: var(--spacing-lg); }
.pb-xl { padding-bottom: var(--spacing-xl); }

.d-none { display: none; }
.d-block { display: block; }
.d-inline-block { display: inline-block; }

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1024px) {
    :root {
        --container-padding: 15px;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
}

@media (max-width: 768px) {
    html {
        font-size: 15px;
    }
    
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
}

/* ==========================================================================
   Accessibility
   ========================================================================== */

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Skip to content link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: #fff;
    padding: 8px;
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}