/*
 * Sit N Sleep 4 Less - Main Stylesheet
 * St. Louis Furniture & Mattress Website
 */

/* CSS Variables for consistent theming */
:root {
    --primary: #0ea5e9;
    --primary-dark: #0284c7;
    --secondary: #1e293b;
    --accent: #f59e0b;
    --accent-dark: #d97706;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0ea5e9 0%, #1e40af 100%);
    --gradient-accent: linear-gradient(45deg, #f59e0b, #f97316);
    --gradient-success: linear-gradient(45deg, #10b981, #059669);
    
    /* Spacing */
    --container-max-width: 1200px;
    --section-padding: 3rem 0;
    --card-padding: 1.5rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    
    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Base styles */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--secondary);
    background-color: #f8fafc;
}

/* Container */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1rem;
}

@media (min-width: 640px) {
    .container {
        padding: 0 1.5rem;
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 2rem;
    }
}

/* Gradient backgrounds */
.gradient-bg {
    background: var(--gradient-primary);
}

.gradient-accent-bg {
    background: var(--gradient-accent);
}

.gradient-success-bg {
    background: var(--gradient-success);
}

/* Price tag styling */
.price-tag {
    background: var(--gradient-accent);
    color: white;
    font-weight: 700;
    text-align: center;
}

/* Button styles */
.btn-primary {
    background-color: var(--primary);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: background-color var(--transition-normal);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
}

.btn-accent {
    background-color: var(--accent);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 700;
    transition: background-color var(--transition-normal);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

.btn-accent:hover {
    background-color: var(--accent-dark);
}

/* Share button styles */
.share-btn {
    transition: all var(--transition-normal);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: none;
}

.share-btn:hover {
    transform: scale(1.1);
}

.share-btn-group {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-wrap: wrap;
}

/* Card styles */
.card {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.card:hover {
    box-shadow: var(--shadow-lg);
}

.category-card {
    transition: all var(--transition-normal);
    border: 2px solid transparent;
    cursor: pointer;
}

.category-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
}

.category-image {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transition: transform var(--transition-normal);
}

.category-card:hover .category-image {
    transform: scale(1.05);
}

/* Hero slider styles */
.hero-slider {
    height: 400px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transition: background-image var(--transition-slow);
    position: relative;
}

.slider-dots {
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.5rem;
    z-index: 10;
}

.slider-dot {
    width: 0.75rem;
    height: 0.75rem;
    border-radius: 50%;
    background-color: white;
    opacity: 0.5;
    cursor: pointer;
    transition: opacity var(--transition-normal);
    border: none;
}

.slider-dot.active {
    opacity: 1;
}

/* Scratch card styles */
.scratch-card {
    background: linear-gradient(45deg, var(--primary), #3b82f6);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
}

.scratch-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #94a3b8;
    cursor: grabbing;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    transition: opacity var(--transition-normal);
}

.scratch-result {
    color: white;
    text-align: center;
    padding: 1rem;
}

/* Floating elements */
.floating-share {
    position: fixed;
    right: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
}

.sticky-cta {
    position: sticky;
    bottom: 0;
    z-index: 100;
    background: var(--primary);
    color: white;
    padding: 0.75rem 0;
    box-shadow: var(--shadow-lg);
}

/* Mobile menu styles */
.mobile-menu {
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    height: 100vh;
    background: white;
    z-index: 9999;
    overflow-y: auto;
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* FAQ styles */
.faq-item {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: var(--radius-lg);
    margin-bottom: 1rem;
    overflow: hidden;
}

.faq-button {
    width: 100%;
    text-align: left;
    padding: 1rem;
    font-weight: 500;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: none;
    border: none;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.faq-button:hover {
    background-color: #f9fafb;
}

.faq-content {
    padding: 0 1rem 1rem;
    color: #6b7280;
}

.faq-content.hidden {
    display: none;
}

.faq-icon {
    transition: transform var(--transition-normal);
}

.faq-icon.rotated {
    transform: rotate(180deg);
}

/* Utility classes */
.text-primary { color: var(--primary); }
.text-secondary { color: var(--secondary); }
.text-accent { color: var(--accent); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }

.bg-primary { background-color: var(--primary); }
.bg-secondary { background-color: var(--secondary); }
.bg-accent { background-color: var(--accent); }
.bg-success { background-color: var(--success); }
.bg-danger { background-color: var(--danger); }

.border-primary { border-color: var(--primary); }
.border-secondary { border-color: var(--secondary); }
.border-accent { border-color: var(--accent); }

.shadow-custom { box-shadow: var(--shadow-md); }
.shadow-custom-lg { box-shadow: var(--shadow-lg); }

.rounded-custom { border-radius: var(--radius-md); }
.rounded-custom-lg { border-radius: var(--radius-lg); }
.rounded-custom-xl { border-radius: var(--radius-xl); }

/* Responsive utilities */
@media (max-width: 420px) {
    .floating-share {
        display: none;
    }
    
    .hero-slider {
        height: 300px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero-slider {
        height: 350px;
    }
    
    .category-card:hover {
        transform: none;
    }
}

@media (min-width: 1200px) {
    .hero-slider {
        height: 500px;
    }
}

/* Print styles */
@media print {
    .floating-share,
    .sticky-cta,
    .mobile-menu,
    .share-btn {
        display: none;
    }
    
    body {
        background: white;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #e5e7eb;
    }
}

/* 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 for keyboard navigation */
.btn-primary:focus,
.btn-accent:focus,
.share-btn:focus,
.faq-button:focus,
.slider-dot:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Loading states */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--primary);
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
}

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

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --primary: #0066cc;
        --secondary: #000000;
        --accent: #cc6600;
    }
    
    .card {
        border: 2px solid var(--secondary);
    }
}