/* DYFIA Brand Guidelines - Optimized Styles */
/* Version 1.1 | January 2026 */

/* CSS Custom Properties for better maintainability */
:root {
    /* Brand Colors */
    --color-flame: #E8503A;
    --color-gold: #F2B500;
    --color-green: #28916D;
    --color-blue: #2D6DB5;
    --color-burgundy: #8B3A3A;
    
    /* Neutrals */
    --color-charcoal: #333333;
    --color-gray-light: #E0E0E0;
    --color-gray-medium: #666666;
    --color-white: #FFFFFF;
    --color-background: #F5F5F5;
    
    /* Typography */
    --font-family: Calibri, 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-size-base: 16px;
    --font-size-small: 14px;
    --font-size-large: 18px;
    --line-height: 1.6;
    
    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 20px;
    --spacing-lg: 30px;
    --spacing-xl: 40px;
    
    /* Shadows */
    --shadow-light: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-medium: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-heavy: 0 4px 20px rgba(45, 109, 181, 0.2);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    
    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    line-height: var(--line-height);
    color: var(--color-charcoal);
    background-color: var(--color-background);
    font-size: var(--font-size-base);
}

/* Skip link for accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--color-blue);
    color: var(--color-white);
    padding: var(--spacing-xs) var(--spacing-sm);
    text-decoration: none;
    border-radius: var(--radius-sm);
    z-index: 1000;
}

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

/* Header Styles */
.header {
    background: linear-gradient(135deg, var(--color-blue) 0%, var(--color-green) 100%);
    color: var(--color-white);
    padding: var(--spacing-xl);
}

.header h1 {
    margin: 0;
    font-size: clamp(24px, 5vw, 36px);
    font-family: var(--font-family);
}

.header p {
    margin: 10px 0 0 0;
    opacity: 0.9;
}

/* Container and Layout */
.container {
    display: flex;
    min-height: calc(100vh - 200px);
}

/* Sidebar Navigation */
.sidebar {
    width: 280px;
    background-color: var(--color-white);
    padding: var(--spacing-lg) var(--spacing-md);
    box-shadow: 2px 0 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}

.sidebar h2 {
    color: var(--color-blue);
    font-size: 20px;
    margin-top: 0;
    margin-bottom: var(--spacing-md);
    padding-bottom: 10px;
    border-bottom: 2px solid var(--color-gray-light);
}

.sidebar ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar li {
    margin: 0;
}

.sidebar a {
    display: block;
    padding: var(--spacing-sm) 15px;
    color: var(--color-charcoal);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-medium);
    font-size: 15px;
}

.sidebar a:hover, 
.sidebar a.active {
    background-color: #E3F2FD;
    color: var(--color-blue);
    padding-left: var(--spacing-md);
}

.sidebar a:focus {
    outline: 2px solid var(--color-blue);
    outline-offset: 2px;
}

/* Main Content Area */
.content {
    flex: 1;
    padding: var(--spacing-xl);
    background-color: var(--color-white);
    margin: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-medium);
}

/* Typography */
h2 {
    color: var(--color-blue);
    font-size: clamp(24px, 4vw, 32px);
    margin-top: 0;
    margin-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--color-gray-light);
    padding-bottom: 10px;
    font-family: var(--font-family);
}

h3 {
    color: var(--color-charcoal);
    font-size: clamp(20px, 3vw, 24px);
    margin-top: var(--spacing-lg);
    margin-bottom: 15px;
    font-family: var(--font-family);
}

h4 {
    color: var(--color-green);
    font-size: var(--font-size-large);
    margin-top: var(--spacing-md);
    margin-bottom: 10px;
    font-family: var(--font-family);
}

p {
    margin: 15px 0;
    font-size: var(--font-size-base);
}

ul, ol {
    margin: 15px 0;
    padding-left: var(--spacing-lg);
}

li {
    margin: var(--spacing-xs) 0;
}

/* Color Swatches */
.color-swatch {
    display: inline-block;
    width: 120px;
    height: 120px;
    margin: 10px 20px 10px 0;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    vertical-align: top;
}

.color-info {
    display: inline-block;
    vertical-align: top;
    margin-top: 10px;
}

.color-name {
    font-weight: bold;
    font-size: 16px;
    margin-bottom: 5px;
}

.color-values {
    font-size: 14px;
    color: #666;
}

/* Buttons */
.button-example,
.btn {
    display: inline-block;
    padding: var(--spacing-sm) 32px;
    margin: 10px 10px 10px 0;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: var(--font-size-base);
    text-decoration: none;
    cursor: pointer;
    border: none;
    font-family: var(--font-family);
    transition: all var(--transition-fast);
    text-align: center;
    min-height: 44px; /* Accessibility: minimum touch target */
}

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

.btn-primary:hover {
    background-color: #245A9A;
    transform: translateY(-1px);
}

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

.btn-secondary {
    background-color: var(--color-white);
    color: var(--color-blue);
    border: 2px solid var(--color-blue);
    padding: 10px 30px;
}

.btn-secondary:hover {
    background-color: var(--color-blue);
    color: var(--color-white);
}

.btn-text {
    background-color: transparent;
    color: var(--color-blue);
    text-decoration: underline;
    padding: var(--spacing-sm) 0;
}

.btn-text:hover {
    color: #245A9A;
}

/* Form Elements */
.input-example,
.form-input {
    display: block;
    width: 100%;
    max-width: 400px;
    padding: var(--spacing-sm) 16px;
    margin: 10px 0;
    border: 1px solid var(--color-gray-light);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    transition: border-color var(--transition-fast);
    min-height: 44px; /* Accessibility: minimum touch target */
}

.form-input:focus {
    outline: none;
    border-color: var(--color-blue);
    box-shadow: 0 0 0 2px rgba(45, 109, 181, 0.2);
}

/* Cards */
.card-example,
.card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-light);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin: var(--spacing-md) 0;
    box-shadow: var(--shadow-light);
    max-width: 400px;
    transition: box-shadow var(--transition-medium);
}

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

/* Color Swatches - Optimized */
.color-swatch {
    display: inline-block;
    width: 120px;
    height: 120px;
    margin: 10px var(--spacing-md) 10px 0;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-light);
    vertical-align: top;
}

.color-info {
    display: inline-block;
    vertical-align: top;
    margin-top: 10px;
}

.color-name {
    font-weight: bold;
    font-size: var(--font-size-base);
    margin-bottom: 5px;
}

.color-values {
    font-size: var(--font-size-small);
    color: var(--color-gray-medium);
}

/* Do/Don't Boxes */
.do-dont {
    display: inline-block;
    width: 45%;
    margin: 10px 2%;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    vertical-align: top;
}

.do {
    background-color: #E8F5E9;
    border-left: 4px solid var(--color-green);
}

.dont {
    background-color: #FFEBEE;
    border-left: 4px solid var(--color-flame);
}

/* Typography Examples */
.typography-example {
    margin: var(--spacing-md) 0;
    padding: var(--spacing-md);
    background-color: var(--color-background);
    border-radius: var(--radius-lg);
}

/* Spacing Examples */
.spacing-example {
    background-color: #E3F2FD;
    padding: var(--spacing-xs);
    margin: var(--spacing-xs) 0;
    border-left: 3px solid var(--color-blue);
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

th, td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #E0E0E0;
}

th {
    background-color: #2D6DB5;
    color: white;
    font-weight: 600;
}

/* Email Templates */
.email-template {
    border: 1px solid #E0E0E0;
    padding: 30px;
    margin: 20px 0;
    background-color: #FAFAFA;
    border-radius: 8px;
}

.email-header {
    background-color: #2D6DB5;
    color: white;
    padding: 20px;
    border-radius: 8px 8px 0 0;
}

.email-body {
    padding: 30px;
    background-color: white;
}

.email-footer {
    background-color: #F5F5F5;
    padding: 20px;
    border-radius: 0 0 8px 8px;
    font-size: 12px;
    color: #666;
}

/* Social Media Posts */
.social-post {
    border: 1px solid #E0E0E0;
    padding: 20px;
    margin: 20px 0;
    background-color: white;
    border-radius: 8px;
    max-width: 500px;
}

/* Icons */
.icon-example {
    display: inline-block;
    margin: 10px;
    border: 2px solid #2D6DB5;
    border-radius: 50%;
}

/* Navigation Buttons */
.nav-buttons {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-md);
    border-top: 2px solid var(--color-gray-light);
    gap: var(--spacing-md);
}

.nav-button {
    padding: var(--spacing-sm) 24px;
    background-color: var(--color-blue);
    color: var(--color-white);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all var(--transition-fast);
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-button:hover {
    background-color: #245A9A;
    transform: translateY(-1px);
}

.nav-button:focus {
    outline: 2px solid var(--color-blue);
    outline-offset: 2px;
}

.nav-button.disabled {
    background-color: var(--color-gray-light);
    color: #999;
    pointer-events: none;
}

/* Footer */
.footer {
    text-align: center;
    padding: var(--spacing-lg);
    color: var(--color-gray-medium);
    font-size: var(--font-size-small);
    background-color: var(--color-background);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        position: relative;
        top: 0;
        height: auto;
        padding: var(--spacing-md);
    }
    
    .content {
        margin: var(--spacing-sm);
        padding: var(--spacing-md);
    }
    
    .do-dont {
        width: 100%;
        margin: 10px 0;
    }
    
    .nav-buttons {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .color-swatch {
        width: 80px;
        height: 80px;
        margin-right: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .header {
        padding: var(--spacing-md);
    }
    
    .header h1 {
        font-size: 24px;
    }
    
    .content {
        padding: var(--spacing-sm);
    }
}

/* Print Styles */
@media print {
    .sidebar,
    .nav-buttons {
        display: none;
    }
    
    .container {
        flex-direction: column;
    }
    
    .content {
        margin: 0;
        box-shadow: none;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .sidebar a:hover,
    .sidebar a.active {
        background-color: var(--color-blue);
        color: var(--color-white);
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}
/* Additional optimized components */

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-md) 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-light);
}

th, td {
    padding: var(--spacing-sm);
    text-align: left;
    border-bottom: 1px solid var(--color-gray-light);
}

th {
    background-color: var(--color-blue);
    color: var(--color-white);
    font-weight: 600;
}

tr:nth-child(even) {
    background-color: #F9F9F9;
}

/* Email Templates */
.email-template {
    border: 1px solid var(--color-gray-light);
    padding: var(--spacing-lg);
    margin: var(--spacing-md) 0;
    background-color: #FAFAFA;
    border-radius: var(--radius-lg);
}

.email-header {
    background-color: var(--color-blue);
    color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.email-body {
    padding: var(--spacing-lg);
    background-color: var(--color-white);
}

.email-footer {
    background-color: var(--color-background);
    padding: var(--spacing-md);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    font-size: var(--font-size-small);
    color: var(--color-gray-medium);
}

/* Social Media Posts */
.social-post {
    border: 1px solid var(--color-gray-light);
    padding: var(--spacing-md);
    margin: var(--spacing-md) 0;
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    max-width: 500px;
    box-shadow: var(--shadow-light);
}

/* Icons */
.icon-example {
    display: inline-block;
    margin: 10px;
    border: 2px solid var(--color-blue);
    border-radius: 50%;
    transition: transform var(--transition-fast);
}

.icon-example:hover {
    transform: scale(1.1);
}

/* Code/Pre blocks */
pre, code {
    background-color: var(--color-background);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    overflow-x: auto;
    font-size: var(--font-size-small);
    font-family: 'Courier New', monospace;
}

code {
    padding: 2px 6px;
    display: inline;
}

/* Section grid for homepage */
.section-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.section-card {
    background: var(--color-white);
    border: 2px solid var(--color-gray-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all var(--transition-medium);
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    display: block;
}

.section-card:hover {
    border-color: var(--color-blue);
    box-shadow: var(--shadow-heavy);
    transform: translateY(-5px);
}

.section-card:focus {
    outline: 2px solid var(--color-blue);
    outline-offset: 2px;
}

.section-card h3 {
    color: var(--color-blue);
    font-size: 24px;
    margin: 0 0 15px 0;
}

.section-card p {
    color: var(--color-gray-medium);
    font-size: 15px;
    margin: 0;
}

/* Color dots for header */
.color-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: var(--spacing-lg);
}

.color-dot {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    transition: transform var(--transition-fast);
}

.color-dot:hover {
    transform: scale(1.2);
}

/* Utility classes */
.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;
}

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

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