/* PariLingo Academy - Custom Styles */

/* CSS Custom Properties */
:root {
    --primary: 220 38% 45%; /* #3B82F6 - Blue */
    --primary-dark: 220 40% 35%; /* #2563EB */
    --secondary: 210 11% 98%; /* #F8FAFC - Light Gray */
    --accent: 45 93% 47%; /* #F59E0B - Amber */
    --success: 142 76% 36%; /* #059669 - Green */
    --danger: 0 84% 60%; /* #EF4444 - Red */
    --warning: 45 93% 47%; /* #F59E0B - Amber */
    --info: 199 89% 48%; /* #0EA5E9 - Sky Blue */
    --light: 210 40% 98%; /* #F8FAFC */
    --dark: 220 13% 18%; /* #1E293B */
    --gray-100: 210 40% 96%; /* #F1F5F9 */
    --gray-200: 214 32% 91%; /* #E2E8F0 */
    --gray-300: 213 27% 84%; /* #CBD5E1 */
    --gray-400: 215 20% 65%; /* #94A3B8 */
    --gray-500: 215 16% 47%; /* #64748B */
    --gray-600: 215 19% 35%; /* #475569 */
    --gray-700: 215 25% 27%; /* #334155 */
    --gray-800: 217 33% 17%; /* #1E293B */
    --gray-900: 222 84% 5%; /* #0F172A */
    
    /* Typography */
    --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-base: 1rem;
    --line-height-base: 1.6;
    
    /* Spacing */
    --border-radius: 0.5rem;
    --border-radius-lg: 0.75rem;
    --box-shadow: 0 1px 3px 0 hsl(0 0% 0% / 0.1), 0 1px 2px -1px hsl(0 0% 0% / 0.1);
    --box-shadow-lg: 0 10px 15px -3px hsl(0 0% 0% / 0.1), 0 4px 6px -4px hsl(0 0% 0% / 0.1);
    
    /* Transitions */
    --transition: all 0.15s ease-in-out;
}

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

body {
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: hsl(var(--gray-700));
    background-color: hsl(var(--secondary));
}

/* Typography Enhancements */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 0.5rem;
    color: hsl(var(--gray-800));
}

.display-4 {
    font-weight: 700;
}

.lead {
    font-size: 1.125rem;
    font-weight: 400;
    line-height: 1.6;
    color: hsl(var(--gray-600));
}

/* Bootstrap Override */
.bg-primary {
    background-color: hsl(var(--primary)) !important;
}

.bg-primary,
.bg-primary h2,
.bg-primary p,
.bg-primary .display-4 {
    color: white !important;
}

.text-primary {
    color: hsl(var(--primary)) !important;
}

.btn {
    font-weight: 500;
    border-radius: var(--border-radius);
    transition: var(--transition);
    border-width: 1px;
}

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

.btn-primary:hover,
.btn-primary:focus {
    background-color: hsl(var(--primary-dark));
    border-color: hsl(var(--primary-dark));
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--box-shadow-lg);
}

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

.btn-outline-primary:hover,
.btn-outline-primary:focus {
    background-color: hsl(var(--primary));
    border-color: hsl(var(--primary));
    color: white;
    transform: translateY(-1px);
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1.125rem;
    border-radius: var(--border-radius-lg);
}

/* Card Enhancements */
.card {
    border-radius: var(--border-radius-lg);
    transition: var(--transition);
    border: 1px solid hsl(var(--gray-200));
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-lg);
}

.card-img-top {
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
    height: 250px;
    object-fit: cover;
}

/* Navigation Styles */
.navbar {
    backdrop-filter: blur(10px);
    background-color: hsl(var(--secondary) / 0.95) !important;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: hsl(var(--primary)) !important;
}

.nav-link {
    font-weight: 500;
    color: hsl(var(--gray-700)) !important;
    transition: var(--transition);
    padding: 0.5rem 1rem !important;
    border-radius: var(--border-radius);
}

.nav-link:hover,
.nav-link:focus {
    color: hsl(var(--primary)) !important;
    background-color: hsl(var(--gray-100));
}

.nav-link.active {
    color: hsl(var(--primary)) !important;
    font-weight: 600;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, hsl(var(--primary)) 0%, hsl(var(--primary-dark)) 100%);
    color: white !important;
    position: relative;
    overflow: hidden;
    padding-top: 120px;
}

.hero-section * {
    color: white !important;
}

.hero-section h1, 
.hero-section h2, 
.hero-section h3, 
.hero-section h4, 
.hero-section h5, 
.hero-section h6,
.hero-section p,
.hero-section .lead,
.hero-section span {
    color: white !important;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="white" stroke-width="0.5" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>') repeat;
    pointer-events: none;
}

.hero-section .container {
    position: relative;
    z-index: 1;
}

/* Feature Icons */
.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, hsl(var(--primary) / 0.1) 0%, hsl(var(--primary) / 0.05) 100%);
    border-radius: 50%;
    margin: 0 auto;
}

/* Course Cards */
.course-details {
    background-color: hsl(var(--gray-100));
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
}

.course-program ul {
    padding-left: 0;
}

.course-program li {
    list-style: none;
    padding: 0.25rem 0;
}

/* Form Styles */
.form-control,
.form-select {
    border-radius: var(--border-radius);
    border: 1px solid hsl(var(--gray-300));
    transition: var(--transition);
    padding: 0.75rem 1rem;
}

.form-control:focus,
.form-select:focus {
    border-color: hsl(var(--primary));
    box-shadow: 0 0 0 0.2rem hsl(var(--primary) / 0.25);
}

.form-label {
    font-weight: 500;
    color: hsl(var(--gray-700));
    margin-bottom: 0.5rem;
}

/* Cookie Consent Banner */
.cookie-consent {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: hsl(var(--gray-800));
    color: white;
    padding: 1rem 0;
    z-index: 1050;
    transform: translateY(100%);
    transition: transform 0.3s ease-in-out;
}

.cookie-consent.show {
    transform: translateY(0);
}

/* Cookie Settings Modal */
.cookie-settings-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: hsl(var(--gray-900) / 0.8);
    z-index: 1060;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.cookie-settings-modal.show {
    display: flex;
}

.cookie-settings-content {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    max-width: 500px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
}

/* Accordion Styles */
.accordion-item {
    border: 1px solid hsl(var(--gray-200));
    border-radius: var(--border-radius);
    margin-bottom: 0.5rem;
}

.accordion-button {
    font-weight: 500;
    color: hsl(var(--gray-700));
    background-color: hsl(var(--gray-50));
}

.accordion-button:not(.collapsed) {
    color: hsl(var(--primary));
    background-color: hsl(var(--primary) / 0.1);
}

.accordion-button:focus {
    box-shadow: 0 0 0 0.25rem hsl(var(--primary) / 0.25);
}

/* Badge Styles */
.badge {
    font-weight: 500;
    padding: 0.5rem 0.75rem;
    border-radius: var(--border-radius);
}

.badge.bg-success {
    background-color: hsl(var(--success)) !important;
}

.badge.bg-warning {
    background-color: hsl(var(--warning)) !important;
}

.badge.bg-danger {
    background-color: hsl(var(--danger)) !important;
}

.badge.bg-info {
    background-color: hsl(var(--info)) !important;
}

.badge.bg-secondary {
    background-color: hsl(var(--gray-500)) !important;
}

/* Table Styles */
.table {
    border-radius: var(--border-radius);
    overflow: hidden;
}

.table th {
    background-color: hsl(var(--gray-100));
    font-weight: 600;
    border-bottom: 2px solid hsl(var(--gray-200));
}

.table-striped > tbody > tr:nth-of-type(odd) > td {
    background-color: hsl(var(--gray-50) / 0.5);
}

/* Alert Styles */
.alert {
    border-radius: var(--border-radius);
    border: none;
    padding: 1rem 1.25rem;
}

.alert-warning {
    background-color: hsl(var(--warning) / 0.1);
    color: hsl(25 95% 40%);
    border-left: 4px solid hsl(var(--warning));
}

/* Social Links */
.social-links a {
    transition: var(--transition);
    opacity: 0.8;
}

.social-links a:hover {
    opacity: 1;
    transform: translateY(-2px);
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid hsl(var(--gray-200));
    border-radius: 50%;
    border-top-color: hsl(var(--primary));
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Utility Classes */
.text-primary {
    color: hsl(var(--primary)) !important;
}

.bg-primary {
    background-color: hsl(var(--primary)) !important;
    color: white !important;
}

/* Primary background sections - ensure white text */
.bg-primary *,
.bg-primary h1, 
.bg-primary h2, 
.bg-primary h3, 
.bg-primary h4, 
.bg-primary h5, 
.bg-primary h6,
.bg-primary p,
.bg-primary .lead,
.bg-primary span,
.bg-primary div,
.bg-primary .display-4,
.bg-primary .display-5 {
    color: white !important;
}

.border-primary {
    border-color: hsl(var(--primary)) !important;
}

/* Testimonials and statistics sections */
section.bg-primary .text-white,
section.bg-primary .text-center,
section.bg-primary .display-4,
section.bg-primary .fw-bold,
section.bg-primary small {
    color: white !important;
}

/* Override any dark text colors on primary backgrounds */
.bg-primary .text-dark,
.bg-primary .text-secondary,
.bg-primary .text-muted {
    color: white !important;
}

.text-muted {
    color: hsl(var(--gray-500)) !important;
}

.bg-light {
    background-color: hsl(var(--light)) !important;
}

.shadow-sm {
    box-shadow: var(--box-shadow) !important;
}

.shadow-lg {
    box-shadow: var(--box-shadow-lg) !important;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        padding-top: 100px;
        text-align: center;
    }
    
    .display-4 {
        font-size: 2rem;
    }
    
    .lead {
        font-size: 1rem;
    }
    
    .btn-lg {
        padding: 0.625rem 1.25rem;
        font-size: 1rem;
    }
    
    .card-img-top {
        height: 200px;
    }
    
    .cookie-consent {
        text-align: center;
    }
    
    .cookie-consent .btn {
        margin: 0.25rem;
        width: 100%;
    }
}

@media (max-width: 576px) {
    .hero-section {
        padding-top: 80px;
    }
    
    .display-4 {
        font-size: 1.75rem;
    }
    
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .cookie-consent,
    .btn,
    footer {
        display: none !important;
    }
    
    .hero-section {
        background: none !important;
        color: black !important;
    }
    
    .card {
        border: 1px solid black;
        break-inside: avoid;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --secondary: 220 13% 18%;
        --gray-100: 215 25% 27%;
        --gray-200: 215 19% 35%;
        --gray-700: 214 32% 91%;
        --gray-800: 210 40% 98%;
    }
}

/* Accessibility Improvements */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus Styles */
.btn:focus,
.form-control:focus,
.form-select:focus {
    outline: 2px solid hsl(var(--primary));
    outline-offset: 2px;
}

/* Skip Link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: hsl(var(--primary));
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: var(--border-radius);
    z-index: 1000;
}

.skip-link:focus {
    top: 6px;
}