/* ================================================
   PickleballDimensions.com - Main Stylesheet
   ================================================ */

/* CSS Variables */
:root {
    --primary-green: #2D8B47;
    --primary-dark: #1A5229;
    --accent-yellow: #FFB81C;
    --text-dark: #1F2937;
    --text-light: #6B7280;
    --bg-light: #F9FAFB;
    --border-color: #E5E7EB;
    --white: #FFFFFF;
    --max-width: 1200px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--white);
}

img {
    max-width: 100%;
    height: auto;
}

a {
    color: var(--primary-green);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Container */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    text-decoration: none;
}

.nav {
    display: flex;
    gap: 2rem;
}

.nav a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s;
    padding: 0.5rem 0;
}

.nav a:hover,
.nav a.active {
    opacity: 0.8;
    text-decoration: none;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
}

.mobile-nav {
    display: none;
    flex-direction: column;
    background: var(--primary-dark);
    padding: 1rem 2rem;
    max-width: var(--max-width);
    margin: 0 auto;
}

.mobile-nav a {
    color: var(--white);
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

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

/* Buttons */
.btn {
    background: var(--primary-green);
    color: var(--white);
    padding: 1rem 2rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-block;
    text-decoration: none;
}

.btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(45, 139, 71, 0.3);
    text-decoration: none;
}

.btn-secondary {
    background: var(--accent-yellow);
    color: var(--text-dark);
}

.btn-secondary:hover {
    background: #E5A619;
}

/* Main Content Area */
.main-content {
    min-height: 60vh;
    padding: 3rem 0;
}

/* Article Styles */
article {
    max-width: 800px;
    margin: 0 auto;
}

article h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
    line-height: 1.2;
}

article h2 {
    font-size: 2rem;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

article h3 {
    font-size: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

article p {
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-dark);
}

article ul, article ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

article li {
    margin-bottom: 0.5rem;
    font-size: 1.125rem;
    line-height: 1.8;
}

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

article code {
    background: var(--bg-light);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-family: monospace;
    font-size: 0.9em;
}

article pre {
    background: var(--bg-light);
    padding: 1.5rem;
    border-radius: 8px;
    overflow-x: auto;
    margin-bottom: 1.5rem;
}

article blockquote {
    border-left: 4px solid var(--primary-green);
    padding-left: 1.5rem;
    margin: 2rem 0;
    font-style: italic;
    color: var(--text-light);
}

/* Article Meta */
.article-meta {
    padding: 1rem 0;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-light);
    font-size: 0.95rem;
}

/* Table of Contents */
.table-of-contents {
    background: var(--bg-light);
    padding: 1.5rem;
    border-radius: 8px;
    margin: 2rem 0;
    border-left: 4px solid var(--primary-green);
}

.table-of-contents h3 {
    margin-top: 0;
    font-size: 1.25rem;
}

.table-of-contents ul {
    list-style: none;
    padding-left: 0;
}

.table-of-contents li {
    margin-bottom: 0.5rem;
}

.table-of-contents a {
    color: var(--primary-green);
}

/* Info Boxes */
.info-box {
    background: var(--bg-light);
    padding: 1.5rem;
    border-radius: 8px;
    margin: 2rem 0;
    border-left: 4px solid var(--primary-green);
}

.info-box.warning {
    background: #FEF3C7;
    border-left-color: #F59E0B;
}

.info-box.success {
    background: #D1FAE5;
    border-left-color: var(--primary-green);
}

/* Card Grid */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.card {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

.card h3 {
    margin-top: 0;
}

/* Blog List */
.blog-list {
    display: grid;
    gap: 2rem;
}

.blog-item {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s;
}

.blog-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

.blog-item-content {
    padding: 1.5rem;
}

.blog-item h2 {
    margin-top: 0;
    font-size: 1.75rem;
}

.blog-item-meta {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.blog-item-excerpt {
    color: var(--text-dark);
    line-height: 1.6;
}

.read-more {
    color: var(--primary-green);
    font-weight: 600;
    display: inline-block;
    margin-top: 1rem;
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 3rem 0 1rem;
    margin-top: 4rem;
}

.footer-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-column h4 {
    margin-bottom: 1rem;
    color: var(--accent-yellow);
}

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

.footer-column a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    line-height: 2;
    transition: color 0.3s;
}

.footer-column a:hover {
    color: var(--white);
}

.footer-newsletter {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    margin-bottom: 2rem;
    text-align: center;
}

.footer-newsletter h3 {
    margin-bottom: 0.5rem;
}

.newsletter-form {
    max-width: 500px;
    margin: 1.5rem auto 0;
    display: flex;
    gap: 0.5rem;
}

.newsletter-form input {
    flex: 1;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
}

.newsletter-form button {
    white-space: nowrap;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    article h1 {
        font-size: 2rem;
    }
    
    article h2 {
        font-size: 1.5rem;
    }
    
    article p, article li {
        font-size: 1rem;
    }
    
    .card-grid {
        grid-template-columns: 1fr;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .newsletter-form button {
        width: 100%;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }

.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }

.badge {
    display: inline-block;
    background: var(--accent-yellow);
    color: var(--text-dark);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.875rem;
}

.highlight {
    background: linear-gradient(120deg, var(--accent-yellow) 0%, var(--accent-yellow) 100%);
    background-repeat: no-repeat;
    background-size: 100% 40%;
    background-position: 0 88%;
}