/**
 * Main Stylesheet - Bursa Urszulanki
 *
 * Mobile-first approach
 *
 * @package Bursa_Urszulanki
 */

/* ==========================================
   CSS CUSTOM PROPERTIES (VARIABLES)
   ========================================== */
:root {
    /* Colors - based on branding */
    --color-primary: #2d7127;
    --color-primary-dark: #0f2540;
    --color-primary-light: #48a04e;
    --color-secondary: #8b4513;
    --color-accent: #d4af37;
    --color-accent-hover: #c9a030;

    /* Neutrals */
    --color-white: #ffffff;
    --color-black: #000000;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-text-muted: #888888;
    --color-bg-light: #f8f9fa;
    --color-bg-alt: #f0f4f8;
    --color-border: #e0e0e0;

    /* Semantic colors */
    --color-success: #28a745;
    --color-error: #dc3545;
    --color-warning: #ffc107;

    /* Typography */
    --font-family-base:
        "Open Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-size-base: 16px;
    --font-size-sm: 0.875rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --line-height-base: 1.6;
    --line-height-tight: 1.3;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;

    /* Layout */
    --container-max-width: 1200px;
    --container-padding: 1rem;
    --header-height: 70px;

    /* Borders */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    --border-radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;

    /* Z-index layers */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
}

/* ==========================================
   CSS RESET & BASE STYLES
   ========================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

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

/* Headings */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: var(--line-height-tight);
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: var(--font-size-3xl);
}
h2 {
    font-size: var(--font-size-2xl);
}
h3 {
    font-size: var(--font-size-xl);
}
h4 {
    font-size: var(--font-size-lg);
}
h5 {
    font-size: 1rem;
}
h6 {
    font-size: var(--font-size-sm);
}

/* Paragraphs */
p {
    margin-bottom: var(--spacing-md);
}

p:last-child {
    margin-bottom: 0;
}

/* Links */
a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover,
a:focus {
    color: var(--color-primary-light);
    text-decoration: underline;
}

a:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* Images */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Lists */
ul,
ol {
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

li {
    margin-bottom: var(--spacing-xs);
}

/* Strong / Bold */
strong,
b {
    font-weight: 700;
}

/* Screen reader only */
.screen-reader-text {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.screen-reader-text:focus {
    background-color: var(--color-white);
    clip: auto;
    height: auto;
    left: 5px;
    line-height: normal;
    padding: var(--spacing-md);
    text-decoration: none;
    top: 5px;
    width: auto;
    z-index: var(--z-modal);
}

/* Skip link */
.skip-link {
    position: absolute;
    left: -9999px;
    z-index: var(--z-modal);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-primary);
    color: var(--color-white);
}

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

/* ==========================================
   LAYOUT - CONTAINER
   ========================================== */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

/* ==========================================
   HEADER STYLES
   ========================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    transition:
        background-color var(--transition-base),
        box-shadow var(--transition-base);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Site branding / Logo */
.site-branding {
    flex-shrink: 0;
}

.site-logo {
    display: flex;
    flex-direction: column;
    text-decoration: none;
}

.site-logo:hover,
.site-logo:focus {
    text-decoration: none;
}

.logo-text {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.2;
}

.logo-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

img.logo-img {
    width: 150px;
}

/* Mobile menu toggle */
.mobile-menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-primary);
}

.mobile-menu-toggle .close-icon {
    display: none;
}

.mobile-menu-toggle[aria-expanded="true"] .menu-icon {
    display: none;
}

.mobile-menu-toggle[aria-expanded="true"] .close-icon {
    display: block;
}

/* Main navigation */
.main-navigation {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-white);
    padding: var(--spacing-xl);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    overflow-y: auto;
    z-index: var(--z-fixed);
}

.main-navigation.is-open {
    transform: translateX(0);
}

.nav-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-menu li {
    margin-bottom: var(--spacing-sm);
}

.nav-menu a {
    display: block;
    padding: var(--spacing-md) 0;
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
    border-bottom: 1px solid var(--color-border);
    transition: color var(--transition-fast);
}

.nav-menu a:hover,
.nav-menu a:focus {
    color: var(--color-primary);
    text-decoration: none;
}

/* Mobile: submenu (sub-menu) */
.nav-menu .sub-menu {
    list-style: none;
    padding: 0;
    margin: 0 0 0 var(--spacing-lg);
}

.nav-menu .sub-menu a {
    font-size: var(--font-size-base);
    font-weight: 400;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-light);
}

.nav-menu .sub-menu a:hover,
.nav-menu .sub-menu a:focus {
    color: var(--color-primary);
}

/* Navigation CTA button */
.nav-cta-button {
    display: inline-block;
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md) var(--spacing-xl);
    background-color: var(--color-accent);
    color: var(--color-primary-dark);
    font-weight: 700;
    text-align: center;
    border-radius: var(--border-radius-md);
    transition: background-color var(--transition-fast);
}

.nav-cta-button:hover,
.nav-cta-button:focus {
    background-color: var(--color-accent-hover);
    color: var(--color-primary-dark);
    text-decoration: none;
}

/* ==========================================
   BUTTONS
   ========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-family: var(--font-family-base);
    font-size: 1rem;
    font-weight: 600;
    line-height: 1;
    text-align: center;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn:hover,
.btn:focus {
    text-decoration: none;
}

.btn:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.btn svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* Button sizes */
.btn-lg {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-lg);
}

.btn-xl {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-xl);
}

/* Button variants */
.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--color-primary-light);
    border-color: var(--color-primary-light);
    color: var(--color-white);
}

.btn-secondary {
    background-color: var(--color-white);
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-secondary:hover,
.btn-secondary:focus {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.btn-accent {
    background-color: var(--color-accent);
    color: var(--color-white);
    border-color: var(--color-accent);
}

.btn-accent:hover,
.btn-accent:focus {
    background-color: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    color: var(--color-primary-dark);
}

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

.btn-outline:hover,
.btn-outline:focus {
    background-color: var(--color-primary);
    color: var(--color-white);
}

/* ==========================================
   SECTION STYLES
   ========================================== */
.section-title {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    color: var(--color-primary);
}

.section-title--light {
    color: var(--color-white);
}

/* ==========================================
   MAIN CONTENT AREA
   ========================================== */
.site-main {
    /* margin-top: var(--header-height); */
    margin-top: 40px;
}

.front-page {
    margin-top: 0;
}

/* ==========================================
   FOOTER STYLES
   ========================================== */
.site-footer {
    background-color: var(--color-primary-dark);
    color: var(--color-white);
}

.footer-main {
    padding: var(--spacing-3xl) 0;
}

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

.footer-column {
    margin-bottom: var(--spacing-2xl);
}

.footer-title {
    font-size: var(--font-size-lg);
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.footer-title::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 2px;
    background-color: var(--color-accent);
}

.footer-description {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
    line-height: 1.7;
}

/* Footer contact */
.contact-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
}

.contact-item svg {
    flex-shrink: 0;
    color: var(--color-accent);
}

.contact-item a {
    color: rgba(255, 255, 255, 0.8);
}

.contact-item a:hover {
    color: var(--color-accent);
}

/* Footer menu */
.footer-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-menu li {
    margin-bottom: var(--spacing-sm);
}

.footer-menu a {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

.footer-menu a:hover {
    color: var(--color-accent);
    text-decoration: none;
}

/* Footer map */
.map-wrapper {
    border-radius: var(--border-radius-md);
    overflow: hidden;
}

/* Footer social */
.footer-social {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-full);
    color: var(--color-white);
    transition: background-color var(--transition-fast);
}

.social-link:hover {
    background-color: var(--color-accent);
    color: var(--color-primary-dark);
}

/* Footer bottom */
.footer-bottom {
    padding: var(--spacing-lg) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom .footer-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    text-align: center;
}

.copyright {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

.footer-legal {
    font-size: var(--font-size-sm);
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.6);
}

.footer-legal a:hover {
    color: var(--color-accent);
}

.footer-legal .separator {
    margin: 0 var(--spacing-sm);
    color: rgba(255, 255, 255, 0.3);
}

/* ==========================================
   UTILITIES
   ========================================== */
.text-center {
    text-align: center;
}
.text-left {
    text-align: left;
}
.text-right {
    text-align: right;
}

.mb-0 {
    margin-bottom: 0;
}
.mb-1 {
    margin-bottom: var(--spacing-sm);
}
.mb-2 {
    margin-bottom: var(--spacing-md);
}
.mb-3 {
    margin-bottom: var(--spacing-lg);
}
.mb-4 {
    margin-bottom: var(--spacing-xl);
}

.mt-0 {
    margin-top: 0;
}
.mt-1 {
    margin-top: var(--spacing-sm);
}
.mt-2 {
    margin-top: var(--spacing-md);
}
.mt-3 {
    margin-top: var(--spacing-lg);
}
.mt-4 {
    margin-top: var(--spacing-xl);
}