/* ===================================
   Responsive Design - Media Queries
   =================================== */

/* Large Desktop (> 1440px) */
@media (min-width: 1440px) {
    .container {
        max-width: 1400px;
    }
    
    .hero-title {
        font-size: 4rem;
    }
}

/* Desktop (1024px - 1440px) */
@media (max-width: 1440px) {
    :root {
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
    }
}

/* Tablet (768px - 1024px) */
@media (max-width: 1024px) {
    :root {
        --spacing-2xl: 3rem;
        --font-size-5xl: 2.25rem;
        --font-size-4xl: 1.875rem;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .hero-image {
        order: -1;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .hero-content {
        text-align: center;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-tech-stack {
        justify-content: center;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-menu {
        gap: var(--spacing-md);
    }
}

/* Mobile (< 768px) */
@media (max-width: 768px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-2xl: 2.5rem;
        --font-size-5xl: 2rem;
        --font-size-4xl: 1.5rem;
        --font-size-3xl: 1.5rem;
        --font-size-2xl: 1.25rem;
    }
    
    /* Navigation */
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--bg-primary);
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding: var(--spacing-xl) 0;
        gap: var(--spacing-lg);
        transform: translateX(-100%);
        transition: transform var(--transition-base);
        box-shadow: var(--shadow-xl);
        z-index: 999;
    }
    
    .nav-menu.active {
        transform: translateX(0);
    }
    
    .nav-link {
        font-size: var(--font-size-lg);
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    /* Hero */
    .hero {
        min-height: auto;
        padding: calc(80px + var(--spacing-xl)) 0 var(--spacing-xl);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: var(--font-size-xl);
    }
    
    .hero-description {
        font-size: var(--font-size-base);
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    /* Sections */
    section {
        padding: var(--spacing-xl) 0;
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .section-description {
        font-size: var(--font-size-base);
    }
    
    /* Grids */
    .services-grid,
    .projects-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .skill-category {
        padding: var(--spacing-md);
    }
    
    /* Cards */
    .service-card,
    .project-card,
    .testimonial-card {
        padding: var(--spacing-md);
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    /* Page Header */
    .page-header {
        padding: calc(80px + var(--spacing-lg)) 0 var(--spacing-lg);
    }
    
    .page-title {
        font-size: var(--font-size-3xl);
    }
    
    /* About Page */
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .about-image {
        max-width: 300px;
        margin: 0 auto;
    }
    
    .about-info-grid {
        grid-template-columns: 1fr;
    }
    
    .about-cta {
        flex-direction: column;
    }
    
    .about-cta .btn {
        width: 100%;
    }
    
    /* Contact Page */
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
    }
    
    /* Blog & YouTube */
    .blog-grid,
    .videos-grid {
        grid-template-columns: 1fr;
    }
    
    /* Login Page */
    .login-card {
        padding: var(--spacing-lg);
    }
    
    /* Admin Dashboard */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .dashboard-header {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .dashboard-actions {
        width: 100%;
        display: flex;
        gap: var(--spacing-sm);
    }
    
    .dashboard-actions .btn {
        flex: 1;
    }
    
    .submissions-table-container {
        overflow-x: auto;
    }
    
    .submissions-table {
        min-width: 800px;
    }
}

/* Small Mobile (< 480px) */
@media (max-width: 480px) {
    :root {
        --spacing-lg: 1.25rem;
        --spacing-xl: 1.5rem;
        --spacing-2xl: 2rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .stat-number {
        font-size: var(--font-size-2xl);
    }
    
    .service-icon,
    .project-icon {
        width: 50px;
        height: 50px;
        font-size: var(--font-size-xl);
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .dashboard-filters {
        flex-direction: column;
    }
    
    .filter-group {
        width: 100%;
    }
}

/* Landscape Mobile */
@media (max-height: 600px) and (orientation: landscape) {
    .hero {
        min-height: auto;
    }
    
    .nav-menu {
        height: auto;
        max-height: 80vh;
        overflow-y: auto;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .footer,
    .btn,
    .scroll-indicator,
    .mobile-menu-toggle,
    .theme-toggle {
        display: none !important;
    }
    
    body {
        background: white;
        color: black;
    }
    
    section {
        page-break-inside: avoid;
    }
}