/* Mobile Optimized CSS - Knowledge Canvas */
/* This file contains all mobile-specific optimizations and fixes */

/* ===== MOBILE NAVIGATION FIXES ===== */

@media (max-width: 768px) {
    /* Improved mobile menu positioning */
    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(var(--color-bg-primary-rgb), 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: var(--space-3xl) var(--space-xl) var(--space-xl);
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 1000;
        gap: 0;
        justify-content: flex-start;
        align-items: center;
        overflow-y: auto;
    }
    
    .nav-links.active {
        transform: translateX(0);
    }
    
    .nav-links li {
        margin: var(--space-lg) 0;
        width: 100%;
    }
    
    .nav-links a {
        font-size: var(--typography-size-xl);
        padding: var(--space-lg);
        display: block;
        text-align: center;
        min-height: 48px;
        min-width: 48px;
        border-radius: var(--radius-md);
        transition: all 0.3s ease;
        background: rgba(var(--color-bg-tertiary-rgb), 0.3);
        border: 1px solid rgba(var(--color-brand-accent-rgb), 0.2);
    }
    
    .nav-links a:hover {
        background: rgba(var(--color-brand-accent-rgb), 0.1);
        transform: translateY(-2px);
        border-color: var(--color-brand-accent);
    }
    
    /* Improved mobile menu toggle */
    .mobile-menu-toggle {
        display: flex;
        z-index: 1001;
        position: relative;
    }
    
    /* Better mobile header */
    .nav {
        padding: 0 var(--space-md);
        position: relative;
    }
    
    /* Hide user section text on mobile */
    .user-section span {
        display: none;
    }
}

/* ===== MOBILE TYPOGRAPHY & SPACING ===== */

@media (max-width: 768px) {
    /* Enhanced hero typography */
    .hero h1 {
        font-size: var(--typography-size-4xl);
        line-height: 1.1;
        margin-bottom: var(--space-lg);
    }
    
    .hero-subtitle {
        font-size: var(--typography-size-lg);
        line-height: 1.5;
        padding: 0 var(--space-md);
    }
    
    /* Better container spacing */
    .container {
        padding: 0 var(--space-md);
    }
    
    /* Improved section titles */
    .section-title {
        font-size: var(--typography-size-3xl);
        line-height: 1.3;
        margin-bottom: var(--space-lg);
    }
    
    .section-subtitle {
        font-size: var(--typography-size-base);
        line-height: 1.6;
        padding: 0 var(--space-sm);
    }
}

/* ===== MOBILE CONTENT LAYOUT ===== */

@media (max-width: 768px) {
    /* Enhanced blog grid */
    .blog-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
        padding: 0;
    }
    
    .blog-card {
        padding: var(--space-lg);
        margin-bottom: 0;
        border-radius: var(--radius-lg);
    }
    
    .blog-title {
        font-size: var(--typography-size-xl);
        line-height: 1.4;
        margin-bottom: var(--space-md);
    }
    
    .blog-excerpt {
        font-size: var(--typography-size-base);
        line-height: 1.6;
        margin-bottom: var(--space-lg);
    }
    
    /* Enhanced card styling */
    .card {
        padding: var(--space-lg);
        margin-bottom: var(--space-lg);
        border-radius: var(--radius-lg);
    }
    
    .card h3 {
        font-size: var(--typography-size-xl);
        line-height: 1.4;
        margin-bottom: var(--space-md);
    }
    
    .card p {
        font-size: var(--typography-size-base);
        line-height: 1.6;
    }
    
    /* Enhanced category buttons */
    .category-buttons {
        gap: var(--space-sm);
        padding: 0;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .category-btn {
        padding: var(--space-sm) var(--space-md);
        font-size: var(--typography-size-sm);
        min-height: 44px;
        min-width: 44px;
        border-radius: var(--radius-xl);
        margin: var(--space-xs);
    }
    
    /* Enhanced search bar */
    .search-input {
        padding: var(--space-md) var(--space-md) var(--space-md) var(--space-2xl);
        font-size: var(--typography-size-base);
        border-radius: var(--radius-lg);
    }
    
    /* Enhanced newsletter form */
    .newsletter-form {
        flex-direction: column;
        gap: var(--space-md);
        padding: 0;
    }
    
    .newsletter-input,
    .newsletter-btn {
        width: 100%;
        padding: var(--space-md);
        font-size: var(--typography-size-base);
        min-height: 48px;
        border-radius: var(--radius-md);
    }
    
    /* Enhanced footer */
    .footer-links {
        flex-direction: column;
        gap: var(--space-md);
        padding: 0 var(--space-md);
    }
    
    .footer-links a {
        padding: var(--space-sm);
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

/* ===== SMALL MOBILE OPTIMIZATIONS ===== */

@media (max-width: 480px) {
    /* Refined hero typography */
    .hero h1 {
        font-size: var(--typography-size-3xl);
        line-height: 1.1;
        padding: 0 var(--space-sm);
    }
    
    .hero-subtitle {
        font-size: var(--typography-size-base);
        line-height: 1.5;
        padding: 0 var(--space-md);
    }
    
    /* Better container padding */
    .container {
        padding: 0 var(--space-sm);
    }
    
    .nav {
        padding: 0 var(--space-sm);
    }
    
    /* Enhanced card padding */
    .card {
        padding: var(--space-xl);
        margin-bottom: var(--space-xl);
    }
    
    .blog-card {
        padding: var(--space-xl);
    }
    
    /* Better section titles */
    .section-title {
        font-size: var(--typography-size-2xl);
        line-height: 1.3;
    }
    
    /* Enhanced buttons */
    .category-btn {
        padding: var(--space-sm) var(--space-sm);
        font-size: var(--typography-size-sm);
    }
    
    .read-more {
        padding: var(--space-sm) var(--space-md);
        font-size: var(--typography-size-sm);
        min-height: 44px;
    }
    
    /* Enhanced newsletter */
    .newsletter-input,
    .newsletter-btn {
        padding: var(--space-sm);
        font-size: var(--typography-size-sm);
    }
}

/* ===== EXTRA SMALL MOBILE ===== */

@media (max-width: 360px) {
    .hero h1 {
        font-size: var(--typography-size-2xl);
        line-height: 1.1;
    }
    
    .hero-subtitle {
        font-size: var(--typography-size-sm);
        line-height: 1.5;
    }
    
    .container {
        padding: 0 var(--space-sm);
    }
    
    .nav {
        padding: 0 var(--space-sm);
    }
    
    .card {
        padding: var(--space-md);
        margin-bottom: var(--space-md);
    }
    
    .blog-card {
        padding: var(--space-md);
    }
    
    .nav-links a {
        font-size: var(--typography-size-lg);
        padding: var(--space-md);
    }
    
    .section-title {
        font-size: var(--typography-size-xl);
    }
    
    .category-btn {
        padding: var(--space-sm) var(--space-sm);
        font-size: var(--typography-size-sm);
    }
}

/* ===== TOUCH TARGET OPTIMIZATIONS ===== */

@media (max-width: 768px) {
    /* Ensure all interactive elements meet 44px minimum */
    .nav-links a,
    .category-btn,
    .read-more,
    .newsletter-btn,
    .mobile-menu-toggle {
        min-height: 44px;
        min-width: 44px;
    }
    
    /* Enhanced touch feedback */
    .nav-links a:active,
    .category-btn:active,
    .read-more:active,
    .newsletter-btn:active {
        transform: scale(0.95);
        transition: transform 0.1s ease;
    }
    
    /* Better focus states for accessibility */
    .nav-links a:focus,
    .category-btn:focus,
    .read-more:focus,
    .newsletter-btn:focus,
    .newsletter-input:focus,
    .search-input:focus {
        outline: 2px solid var(--color-brand-accent);
        outline-offset: 2px;
    }
}

/* ===== PERFORMANCE OPTIMIZATIONS ===== */

@media (max-width: 768px) {
    /* Reduce animations on mobile for better performance */
    .blog-card {
        animation: none;
    }
    
    .card:hover {
        transform: none;
    }
    
    /* Optimize backdrop-filter for better performance */
    .nav-links {
        backdrop-filter: blur(10px);
    }
    
    /* Reduce box-shadow complexity */
    .card {
        box-shadow: var(--shadow-sm);
    }
}

/* ===== ACCESSIBILITY IMPROVEMENTS ===== */

@media (max-width: 768px) {
    /* Better color contrast for mobile */
    .nav-links a {
        color: var(--color-text-inverse);
    }
    
    .nav-links a:hover {
        color: var(--color-brand-accent);
    }
    
    /* Improved focus indicators */
    .mobile-menu-toggle:focus {
        outline: 2px solid var(--color-brand-accent);
        outline-offset: 2px;
        border-radius: var(--radius-sm);
    }
    
    /* Better text readability */
    .blog-excerpt,
    .card p {
        color: var(--color-text-secondary);
    }
}

/* ===== CONSISTENCY FIXES ===== */

/* Ensure consistent spacing across all pages */
@media (max-width: 768px) {
    .content-section {
        padding: var(--space-xl) 0;
    }
    
    .section-header {
        margin-bottom: var(--space-xl);
    }
    
    .grid-2,
    .grid-2-wide {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    /* Consistent button styling */
    .btn,
    .read-more,
    .newsletter-btn {
        border-radius: var(--radius-md);
        font-weight: var(--font-weight-medium);
        transition: all 0.3s ease;
    }
    
    /* Consistent card styling */
    .card,
    .blog-card,
    .highlight-box {
        border-radius: var(--radius-lg);
        border: 1px solid rgba(var(--color-brand-accent-rgb), 0.2);
    }
}

/* ===== ENHANCED MOBILE INTERACTIONS ===== */

@media (max-width: 768px) {
    /* Improved hover states for touch devices */
    .blog-card:active {
        transform: scale(0.98);
        transition: transform 0.1s ease;
    }
    
    .category-btn:active {
        transform: scale(0.95);
        transition: transform 0.1s ease;
    }
    
    /* Better scroll behavior */
    .nav-links {
        -webkit-overflow-scrolling: touch;
    }
    
    /* Enhanced search experience */
    .search-input {
        -webkit-appearance: none;
        border-radius: var(--radius-lg);
    }
    
    /* Better form interactions */
    .newsletter-input {
        -webkit-appearance: none;
        border-radius: var(--radius-md);
    }
}