/* Dimeticon.com - Authority Site Stylesheet */

/* CSS Reset and Base Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --color-primary: #1a365d;
    --color-secondary: #319795;
    --color-background: #ffffff;
    --color-background-alt: #f7fafc;
    --color-text: #2d3748;
    --color-text-light: #4a5568;
    --color-border: #e2e8f0;
    --font-heading: Georgia, 'Times New Roman', serif;
    --font-body: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --max-width: 720px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-background);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-primary);
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
}

h2 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

h3 {
    font-size: 1.35rem;
    font-weight: 600;
    margin-top: var(--spacing-lg);
}

h4 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-top: var(--spacing-md);
}

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--color-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

strong {
    font-weight: 600;
    color: var(--color-primary);
}

/* Lists */
ul, ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-lg);
}

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

li::marker {
    color: var(--color-secondary);
}

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

.page-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
    padding: var(--spacing-xl) 0;
}

/* Header */
.site-header {
    background-color: var(--color-primary);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.site-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-background);
    text-decoration: none;
}

.site-logo:hover {
    color: var(--color-background);
    text-decoration: none;
    opacity: 0.9;
}

/* Navigation */
.main-nav {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.main-nav a {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 4px;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.main-nav a:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-background);
    text-decoration: none;
}

.main-nav a.active {
    background-color: var(--color-secondary);
    color: var(--color-background);
}

/* Mobile Navigation Toggle */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-background);
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--spacing-xs);
}

/* Hero Section */
.hero {
    background-color: var(--color-background-alt);
    padding: var(--spacing-xxl) 0;
    border-bottom: 1px solid var(--color-border);
}

.hero h1 {
    margin-bottom: var(--spacing-md);
}

.hero-intro {
    font-size: 1.15rem;
    color: var(--color-text-light);
    line-height: 1.8;
}

/* Article Content */
article {
    padding: var(--spacing-xl) 0;
}

article > .container > p:first-of-type {
    font-size: 1.1rem;
    color: var(--color-text-light);
    line-height: 1.8;
}

/* Section Styling */
section {
    margin-bottom: var(--spacing-xl);
}

.alt-section {
    background-color: var(--color-background-alt);
    padding: var(--spacing-xl) 0;
    margin: var(--spacing-xl) calc(-50vw + 50%);
    padding-left: calc(50vw - 50%);
    padding-right: calc(50vw - 50%);
}

.alt-section > * {
    max-width: var(--max-width);
    margin-left: auto;
    margin-right: auto;
    padding: 0 var(--spacing-md);
}

/* Quick Links / Card Grid */
.quick-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.quick-link-card {
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: var(--spacing-lg);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.quick-link-card:hover {
    border-color: var(--color-secondary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.quick-link-card h3 {
    margin-top: 0;
    margin-bottom: var(--spacing-sm);
    font-size: 1.15rem;
}

.quick-link-card p {
    font-size: 0.95rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

.quick-link-card a {
    font-weight: 500;
}

/* Comparison Table */
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-lg) 0;
    font-size: 0.95rem;
}

.comparison-table th,
.comparison-table td {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.comparison-table th {
    background-color: var(--color-primary);
    color: var(--color-background);
    font-weight: 600;
    font-family: var(--font-heading);
}

.comparison-table tr:nth-child(even) {
    background-color: var(--color-background-alt);
}

.comparison-table tr:hover {
    background-color: #edf2f7;
}

/* Info Box */
.info-box {
    background-color: var(--color-background-alt);
    border-left: 4px solid var(--color-secondary);
    padding: var(--spacing-md) var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    border-radius: 0 8px 8px 0;
}

.info-box h4 {
    margin-top: 0;
    color: var(--color-secondary);
}

.info-box p:last-child {
    margin-bottom: 0;
}

/* Warning Box */
.warning-box {
    background-color: #fffaf0;
    border-left: 4px solid #dd6b20;
    padding: var(--spacing-md) var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    border-radius: 0 8px 8px 0;
}

.warning-box h4 {
    margin-top: 0;
    color: #c05621;
}

.warning-box p:last-child {
    margin-bottom: 0;
}

/* Key Points List */
.key-points {
    background-color: var(--color-background-alt);
    padding: var(--spacing-lg);
    border-radius: 8px;
    margin: var(--spacing-lg) 0;
}

.key-points h4 {
    margin-top: 0;
    margin-bottom: var(--spacing-sm);
}

.key-points ul {
    margin-bottom: 0;
}

/* Breadcrumb */
.breadcrumb {
    padding: var(--spacing-sm) 0;
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.breadcrumb a {
    color: var(--color-text-light);
}

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

.breadcrumb span {
    margin: 0 var(--spacing-xs);
}

/* Footer */
.site-footer {
    background-color: var(--color-primary);
    color: rgba(255, 255, 255, 0.9);
    padding: var(--spacing-xl) 0;
    margin-top: auto;
}

.footer-container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.footer-nav {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md) var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-nav-section h4 {
    color: var(--color-background);
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-body);
    font-weight: 600;
}

.footer-nav-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

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

.footer-nav-section a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

.footer-nav-section a:hover {
    color: var(--color-background);
}

.footer-bottom {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
}

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

/* Related Articles */
.related-articles {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.related-articles h3 {
    margin-top: 0;
}

.related-articles ul {
    list-style: none;
    padding: 0;
}

.related-articles li {
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-md);
    position: relative;
}

.related-articles li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--color-secondary);
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-xxl: 2.5rem;
    }

    h1 {
        font-size: 1.75rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    h3 {
        font-size: 1.25rem;
    }

    .header-container {
        flex-direction: column;
        align-items: flex-start;
    }

    .main-nav {
        width: 100%;
        flex-direction: column;
        gap: 0;
        display: none;
    }

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

    .main-nav a {
        padding: var(--spacing-sm);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-toggle {
        display: block;
        position: absolute;
        right: var(--spacing-md);
        top: 50%;
        transform: translateY(-50%);
    }

    .header-container {
        position: relative;
    }

    .comparison-table {
        font-size: 0.875rem;
    }

    .comparison-table th,
    .comparison-table td {
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .footer-nav {
        flex-direction: column;
        gap: var(--spacing-lg);
    }

    .alt-section {
        margin: var(--spacing-lg) calc(-1 * var(--spacing-md));
        padding-left: var(--spacing-md);
        padding-right: var(--spacing-md);
    }

    .alt-section > * {
        padding: 0;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 15px;
    }

    .quick-links {
        grid-template-columns: 1fr;
    }

    .quick-link-card {
        padding: var(--spacing-md);
    }
}

/* Print Styles */
@media print {
    .site-header,
    .site-footer,
    .nav-toggle {
        display: none;
    }

    body {
        font-size: 12pt;
        line-height: 1.5;
    }

    a {
        color: var(--color-text);
        text-decoration: underline;
    }

    .container {
        max-width: 100%;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        transition: none;
        animation: none;
    }

    html {
        scroll-behavior: auto;
    }
}

/* Focus Styles */
a:focus,
button:focus {
    outline: 2px solid var(--color-secondary);
    outline-offset: 2px;
}

/* Skip Link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: var(--color-background);
    padding: var(--spacing-sm);
    z-index: 1000;
    transition: top 0.3s ease;
}

.skip-link:focus {
    top: 0;
}