/* ============================================
   I'm Billing You For This Conversation®
   Main Stylesheet with WCAG 2.1 AA Compliance
   ============================================ */

/* CSS Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette - WCAG 2.1 AA Compliant */
    --primary-blue: #0066cc; /* Updated for better contrast - ratio 4.59:1 on white */
    --primary-blue-dark: #0052a3; /* Hover state */
    --text-dark: #1a1a1a; /* Ratio 15.8:1 on white */
    --text-gray: #4a4a4a; /* Ratio 9.74:1 on white */
    --background-light: #ffffff;
    --background-gray: #f8f9fa;
    --border-color: #dee2e6;
    --success-green: #28a745;
    --error-red: #dc3545;

    /* Typography */
    --font-primary: 'Lato', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;

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

    /* Layout */
    --container-max-width: 1200px;
    --border-radius: 4px;

    /* Transitions */
    --transition-speed: 0.3s;
}

/* Screen Reader Only Content */
.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;
}

/* Skip to Main Content Link (WCAG 2.1 AA) */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-blue);
    color: var(--background-light);
    padding: var(--spacing-sm);
    text-decoration: none;
    font-weight: 600;
    z-index: 100;
}

.skip-link:focus {
    top: 0;
    outline: 3px solid var(--text-dark);
    outline-offset: 2px;
}

/* Base Typography */
html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: var(--line-height-base);
    color: var(--text-dark);
    background-color: var(--background-light);
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
    font-weight: 700;
    color: var(--text-dark);
}

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; }

/* Responsive Typography */
@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
}

/* Links */
a {
    color: var(--primary-blue);
    text-decoration: underline;
    transition: color var(--transition-speed) ease;
}

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

a:focus {
    outline: 3px solid var(--primary-blue);
    outline-offset: 2px;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    min-height: 44px; /* WCAG 2.1 AA touch target size */
    min-width: 44px;
}

.btn:focus {
    outline: 3px solid var(--text-dark);
    outline-offset: 2px;
}

.btn-primary {
    background-color: var(--primary-blue);
    color: var(--background-light);
    border-color: var(--primary-blue);
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--primary-blue-dark);
    border-color: var(--primary-blue-dark);
    color: var(--background-light);
    text-decoration: none;
}

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

.btn-secondary:hover,
.btn-secondary:focus {
    background-color: var(--primary-blue);
    color: var(--background-light);
    text-decoration: none;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* Header & Navigation */
header {
    background-color: var(--background-light);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

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

.logo h1 {
    font-size: 1.25rem;
    margin: 0;
}

.logo a {
    color: var(--text-dark);
    text-decoration: none;
}

.logo a:hover,
.logo a:focus {
    color: var(--primary-blue);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: 2px solid var(--text-dark);
    padding: var(--spacing-xs);
    cursor: pointer;
    min-width: 44px;
    min-height: 44px;
}

.mobile-menu-toggle:focus {
    outline: 3px solid var(--primary-blue);
    outline-offset: 2px;
}

.hamburger-icon {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text-dark);
    position: relative;
}

.hamburger-icon::before,
.hamburger-icon::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background-color: var(--text-dark);
    left: 0;
}

.hamburger-icon::before {
    top: -8px;
}

.hamburger-icon::after {
    bottom: -8px;
}

/* Main Navigation */
.main-nav {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.main-nav a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    display: block;
    min-height: 44px;
    display: flex;
    align-items: center;
}

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

.main-nav a[aria-current="page"] {
    color: var(--primary-blue);
    font-weight: 700;
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--background-light);
        flex-direction: column;
        gap: 0;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    }

    .main-nav.active {
        display: flex;
    }

    .main-nav li {
        border-bottom: 1px solid var(--border-color);
    }

    .main-nav a {
        padding: var(--spacing-md);
    }
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)),
                url('../images/hero-gavel.jpg') center center / cover no-repeat;
    color: var(--background-light);
    text-align: center;
    padding: var(--spacing-xxl) var(--spacing-md);
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h2 {
    color: var(--background-light);
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.8);
}

@media (max-width: 768px) {
    .hero {
        padding: var(--spacing-xl) var(--spacing-md);
        min-height: 400px;
    }

    .hero h2 {
        font-size: 1.75rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }
}

/* Page Header */
.page-header {
    background-color: var(--background-gray);
    padding: var(--spacing-xl) 0;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.page-subtitle {
    font-size: 1.125rem;
    color: var(--text-gray);
    margin-top: var(--spacing-sm);
}

/* Product Categories */
.product-categories {
    padding: var(--spacing-xxl) 0;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.category-card {
    background-color: var(--background-gray);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    text-align: center;
    transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.category-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.category-card h3 {
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.category-card p {
    color: var(--text-gray);
    margin-bottom: var(--spacing-md);
}

/* Products Section */
.featured-products,
.products-section {
    padding: var(--spacing-xxl) 0;
    background-color: var(--background-gray);
}

.featured-products h2,
.products-section h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.shop-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

.product-card {
    background-color: var(--background-light);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}

.product-link {
    text-decoration: none;
    color: var(--text-dark);
    display: block;
    height: 100%;
}

.product-link:focus {
    outline: 3px solid var(--primary-blue);
    outline-offset: 2px;
}

.product-card img {
    width: 100%;
    height: auto;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    display: block;
}

.product-card h3 {
    padding: var(--spacing-md);
    font-size: 1.125rem;
    margin-bottom: 0;
}

.product-description {
    padding: 0 var(--spacing-md);
    color: var(--text-gray);
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-md);
}

.product-description ul {
    list-style: none;
    padding-left: 0;
}

.product-description li {
    margin-bottom: var(--spacing-xs);
    padding-left: 1.5rem;
    position: relative;
}

.product-description li::before {
    content: '•';
    position: absolute;
    left: 0.5rem;
    color: var(--primary-blue);
}

.product-card .btn {
    margin: 0 var(--spacing-md) var(--spacing-md);
    width: calc(100% - 2rem);
}

.view-all-products {
    text-align: center;
    margin-top: var(--spacing-xl);
}

/* Trust Badges */
.trust-badges {
    padding: var(--spacing-xxl) 0;
}

.badge-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
}

.badge {
    text-align: center;
}

.badge-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.badge h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.badge p {
    color: var(--text-gray);
}

/* About Page */
.about-content {
    padding: var(--spacing-xxl) 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

@media (max-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
}

.about-text p {
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
}

/* Contact Page */
.contact-content {
    padding: var(--spacing-xxl) 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

.contact-details {
    margin-top: var(--spacing-lg);
}

.contact-details h3 {
    font-size: 1.25rem;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.social-links {
    list-style: none;
    padding: 0;
}

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

/* Contact Form */
.contact-form {
    background-color: var(--background-gray);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-dark);
}

.required {
    color: var(--error-red);
    font-weight: 700;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
    min-height: 44px; /* WCAG 2.1 AA touch target */
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.form-note {
    margin-top: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--text-gray);
}

/* Footer */
footer {
    background-color: var(--text-dark);
    color: var(--background-light);
    padding: var(--spacing-xxl) 0 var(--spacing-md);
    margin-top: var(--spacing-xxl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h3 {
    color: var(--background-light);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
}

.footer-section p {
    color: #cccccc; /* Ratio 8.22:1 on dark background */
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
}

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

.footer-section a {
    color: #dddddd; /* Ratio 11.18:1 on dark background */
    text-decoration: none;
}

.footer-section a:hover,
.footer-section a:focus {
    color: var(--background-light);
    text-decoration: underline;
}

.footer-bottom {
    border-top: 1px solid #444444;
    padding-top: var(--spacing-md);
    text-align: center;
}

.footer-bottom p {
    color: #cccccc;
    font-size: 0.875rem;
}

/* Responsive Utilities */
@media (max-width: 768px) {
    .product-grid {
        grid-template-columns: 1fr;
    }

    .shop-grid {
        grid-template-columns: 1fr;
    }

    .category-grid {
        grid-template-columns: 1fr;
    }

    .badge-grid {
        grid-template-columns: 1fr;
    }
}

/* Print Styles */
@media print {
    header,
    footer,
    .skip-link,
    .mobile-menu-toggle,
    .btn {
        display: none;
    }

    body {
        font-size: 12pt;
        color: #000;
        background: #fff;
    }

    a {
        text-decoration: underline;
        color: #000;
    }

    a[href]::after {
        content: " (" attr(href) ")";
    }
}

/* Focus Visible for Better Keyboard Navigation */
*:focus-visible {
    outline: 3px solid var(--primary-blue);
    outline-offset: 2px;
}

/* Reduced Motion Support (WCAG 2.1) */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}