/* YMER Theme - Main CSS File */

/* Import all component styles */
@import url('components/header.css');
@import url('components/hero.css');
@import url('components/features.css');
@import url('utilities/animations.css');
@import url('layout/responsive.css');

/* Global Theme Variables */
:root {
    /* YMER Brand Colors */
    --ymer-primary: #2d83c5;
    --ymer-secondary: #265aa0;
    --ymer-accent: #a3d8f0;
    --ymer-light: #f0fbff;
    --ymer-gradient-start: #E6F3F9;
    --ymer-gradient-end: #D0E8F2;
    
    /* Text Colors */
    --text-dark: #333333;
    --text-light: #666666;
    --text-white: #ffffff;
    
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-accent: var(--ymer-accent);
    
    /* Spacing System */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --spacing-xxl: 6rem;
    
    /* Typography */
    --font-primary: 'Work Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-headers: 'Red Hat Text', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    
    /* Borders and Radius */
    --border-radius-sm: 5px;
    --border-radius: 10px;
    --border-radius-lg: 15px;
    --border-radius-xl: 25px;
    --border-radius-round: 50px;
    
    /* Shadows */
    --shadow-sm: 0 2px 5px rgba(0, 0, 0, 0.05);
    --shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.2);
    
    /* Z-Index Scale */
    --z-dropdown: 100;
    --z-header: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-tooltip: 1060;
}

/* Base Styles */
* {
    box-sizing: border-box;
}

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    color: var(--text-dark);
    line-height: var(--line-height-base);
    background-color: var(--bg-primary);
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    margin-top: 0;
    margin-bottom: var(--spacing-md);
    font-family: var(--font-headers);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-dark);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
}

h4 {
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
}

h5 {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
}

h6 {
    font-size: clamp(1rem, 1.5vw, 1.25rem);
}

p {
    margin-top: 0;
    margin-bottom: var(--spacing-sm);
}

a {
    color: var(--ymer-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* YMER Logo Styles */
.ymer-logo {
    font-family: var(--font-headers);
    font-weight: bold;
    font-size: 4rem;
}

/* Section Spacing */
.section {
    padding: var(--spacing-xl) 0;
}

.section-lg {
    padding: var(--spacing-xxl) 0;
}

/* Container */
.container-ymer {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Buttons - Global Styles */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    border-radius: var(--border-radius-round);
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
    font-family: var(--font-primary);
}

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

.btn-primary:hover {
    background-color: var(--ymer-secondary);
    border-color: var(--ymer-secondary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background-color: var(--ymer-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Unified YMER Button System */
.btn-ymer-primary {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    border-radius: var(--border-radius-round);
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid var(--ymer-primary);
    font-family: var(--font-primary);
    background-color: var(--ymer-primary);
    color: white;
}

.btn-ymer-primary:hover {
    background-color: var(--ymer-secondary);
    border-color: var(--ymer-secondary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(45, 131, 197, 0.4);
    text-decoration: none;
}

.btn-ymer-secondary {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    border-radius: var(--border-radius-round);
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid var(--ymer-primary);
    font-family: var(--font-primary);
    background-color: transparent;
    color: var(--ymer-primary);
}

.btn-ymer-secondary:hover {
    background-color: var(--ymer-primary);
    border-color: var(--ymer-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(45, 131, 197, 0.4);
    text-decoration: none;
}

.btn-ymer-light {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    border-radius: var(--border-radius-round);
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid white;
    font-family: var(--font-primary);
    background-color: white;
    color: var(--ymer-primary);
}

.btn-ymer-light:hover {
    background-color: var(--ymer-light);
    border-color: var(--ymer-light);
    color: var(--ymer-secondary);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.4);
    text-decoration: none;
}

.btn-ymer-outline-light {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    border-radius: var(--border-radius-round);
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid white;
    font-family: var(--font-primary);
    background-color: transparent;
    color: white;
}

.btn-ymer-outline-light:hover {
    background-color: white;
    border-color: white;
    color: var(--ymer-primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.4);
    text-decoration: none;
}

/* Button Size Variants */
.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.125rem;
}

.btn-sm {
    padding: calc(var(--spacing-sm) * 0.7) var(--spacing-sm);
    font-size: 0.875rem;
}

/* Button with Icons */
.btn-ymer-primary i,
.btn-ymer-secondary i,
.btn-ymer-light i,
.btn-ymer-outline-light i {
    margin-right: 0.5rem;
}

/* Active States */
.btn-ymer-primary.active,
.btn-ymer-primary:active {
    background-color: var(--ymer-secondary);
    border-color: var(--ymer-secondary);
    color: white;
    transform: translateY(0);
    box-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.2);
}

.btn-ymer-secondary.active,
.btn-ymer-secondary:active {
    background-color: var(--ymer-primary);
    border-color: var(--ymer-primary);
    color: white;
    transform: translateY(0);
    box-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.2);
}

.btn-ymer-light.active,
.btn-ymer-light:active {
    background-color: var(--ymer-light);
    border-color: var(--ymer-light);
    color: var(--ymer-secondary);
    transform: translateY(0);
    box-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.1);
}

.btn-ymer-outline-light.active,
.btn-ymer-outline-light:active {
    background-color: white;
    border-color: white;
    color: var(--ymer-primary);
    transform: translateY(0);
    box-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.1);
}

/* Focus States for Accessibility */
.btn-ymer-primary:focus,
.btn-ymer-secondary:focus,
.btn-ymer-light:focus,
.btn-ymer-outline-light:focus {
    outline: 3px solid var(--ymer-accent);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(45, 131, 197, 0.25);
}

/* Forms */
.form-control {
    width: 100%;
    padding: var(--spacing-sm);
    font-size: 1rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    font-family: var(--font-primary);
}

.form-control:focus {
    outline: none;
    border-color: var(--ymer-primary);
    box-shadow: 0 0 0 3px rgba(45, 131, 197, 0.1);
}

/* Utility Classes */
.text-primary { color: var(--ymer-primary) !important; }
.text-secondary { color: var(--ymer-secondary) !important; }
.text-dark { color: var(--text-dark) !important; }
.text-light { color: var(--text-light) !important; }
.text-white { color: var(--text-white) !important; }

.bg-primary { background-color: var(--bg-primary) !important; }
.bg-secondary { background-color: var(--bg-secondary) !important; }
.bg-accent { background-color: var(--bg-accent) !important; }
.bg-ymer-primary { background-color: var(--ymer-primary) !important; }
.bg-ymer-light { background-color: var(--ymer-light) !important; }

/* Shadows */
.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow { box-shadow: var(--shadow) !important; }
.shadow-lg { box-shadow: var(--shadow-lg) !important; }
.shadow-xl { box-shadow: var(--shadow-xl) !important; }
.shadow-none { box-shadow: none !important; }

/* Border Radius */
.rounded-sm { border-radius: var(--border-radius-sm) !important; }
.rounded { border-radius: var(--border-radius) !important; }
.rounded-lg { border-radius: var(--border-radius-lg) !important; }
.rounded-xl { border-radius: var(--border-radius-xl) !important; }
.rounded-full { border-radius: var(--border-radius-round) !important; }
.rounded-circle { border-radius: 50% !important; }

/* Spacing Utilities */
.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: var(--spacing-xs) !important; }
.mt-2 { margin-top: var(--spacing-sm) !important; }
.mt-3 { margin-top: var(--spacing-md) !important; }
.mt-4 { margin-top: var(--spacing-lg) !important; }
.mt-5 { margin-top: var(--spacing-xl) !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: var(--spacing-xs) !important; }
.mb-2 { margin-bottom: var(--spacing-sm) !important; }
.mb-3 { margin-bottom: var(--spacing-md) !important; }
.mb-4 { margin-bottom: var(--spacing-lg) !important; }
.mb-5 { margin-bottom: var(--spacing-xl) !important; }

.py-0 { padding-top: 0 !important; padding-bottom: 0 !important; }
.py-1 { padding-top: var(--spacing-xs) !important; padding-bottom: var(--spacing-xs) !important; }
.py-2 { padding-top: var(--spacing-sm) !important; padding-bottom: var(--spacing-sm) !important; }
.py-3 { padding-top: var(--spacing-md) !important; padding-bottom: var(--spacing-md) !important; }
.py-4 { padding-top: var(--spacing-lg) !important; padding-bottom: var(--spacing-lg) !important; }
.py-5 { padding-top: var(--spacing-xl) !important; padding-bottom: var(--spacing-xl) !important; }

.px-0 { padding-left: 0 !important; padding-right: 0 !important; }
.px-1 { padding-left: var(--spacing-xs) !important; padding-right: var(--spacing-xs) !important; }
.px-2 { padding-left: var(--spacing-sm) !important; padding-right: var(--spacing-sm) !important; }
.px-3 { padding-left: var(--spacing-md) !important; padding-right: var(--spacing-md) !important; }
.px-4 { padding-left: var(--spacing-lg) !important; padding-right: var(--spacing-lg) !important; }
.px-5 { padding-left: var(--spacing-xl) !important; padding-right: var(--spacing-xl) !important; }

/* Loading States */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* 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: 0;
}


/* Enhanced Focus Styles for Accessibility - Only for interactive elements */
button:focus,
input:focus,
select:focus,
textarea:focus,
a:focus,
[role="button"]:focus,
[tabindex]:focus {
    outline: 2px solid var(--ymer-primary);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(45, 131, 197, 0.25);
    transition: outline 0.2s ease, box-shadow 0.2s ease;
}

/* Prevent focus on non-interactive elements */
div:focus,
span:focus,
p:focus,
h1:focus,
h2:focus,
h3:focus,
h4:focus,
h5:focus,
h6:focus,
section:focus,
article:focus,
main:focus {
    outline: none !important;
    box-shadow: none !important;
}

*:focus:not(:focus-visible) {
    outline: none;
    box-shadow: none;
}

*:focus-visible {
    outline: 2px solid var(--ymer-primary);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(45, 131, 197, 0.25);
}

/* High contrast focus for interactive elements */
button:focus-visible, 
a:focus-visible, 
input:focus-visible, 
select:focus-visible, 
textarea:focus-visible,
[role="button"]:focus-visible {
    outline: 3px solid var(--ymer-primary);
    outline-offset: 2px;
    box-shadow: 0 0 0 5px rgba(45, 131, 197, 0.3);
}

/* Focus styles for carousel controls */
.carousel-control-prev:focus-visible,
.carousel-control-next:focus-visible {
    outline: 3px solid #ffffff;
    outline-offset: 2px;
    background-color: rgba(0, 0, 0, 0.6);
}

/* Skip link enhanced styles */
.skip-link:focus {
    top: 0;
    left: 0;
    z-index: 9999;
    padding: 1rem 2rem;
    background: var(--ymer-primary);
    color: white;
    font-weight: bold;
    text-decoration: none;
    border-radius: 0 0 8px 0;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    :root {
        --ymer-primary: #000080;
        --ymer-secondary: #000066;
        --text-dark: #000000;
        --text-light: #333333;
        --bg-primary: #ffffff;
    }
    
    .btn {
        border: 2px solid currentColor;
    }
    
    .feature-card {
        border: 2px solid var(--text-dark);
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .scroll-animate {
        animation: none !important;
        transform: none !important;
    }
    
    .carousel {
        transition: none !important;
    }
    
    .carousel-item {
        transition: none !important;
    }
}

/* Screen Reader Only Text */
.visually-hidden, .sr-only {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

.visually-hidden-focusable:focus {
    position: static !important;
    width: auto !important;
    height: auto !important;
    padding: inherit !important;
    margin: inherit !important;
    overflow: visible !important;
    clip: auto !important;
    white-space: normal !important;
}

/* Enhanced Interactive States */
.feature-card:hover,
.feature-card:focus-within {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    outline: 2px solid var(--ymer-primary);
    outline-offset: 4px;
}

/* ARIA Live Region Styles - Only for screen reader only announcements */
.visually-hidden[aria-live],
#carousel-live-region[aria-live] {
    position: absolute;
    left: -10000px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* Print Styles */
@media print {
    .no-print {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
    }
    
    h1, h2, h3 {
        page-break-after: avoid;
    }
    
    img {
        max-width: 100% !important;
    }
    
    .skip-link {
        display: none !important;
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--ymer-primary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--ymer-secondary);
}