/* Responsive Styles */

/* Mobile First Approach */

/* Extra Small devices (phones, 576px and down) */
@media (max-width: 575px) {
    .container {
        padding: 0 var(--space-3);
    }
    
    .hero-title {
        font-size: var(--text-3xl);
    }
    
    .section-title {
        font-size: var(--text-3xl);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn {
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-6);
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-8);
        text-align: center;
    }

    /* About page responsive */
    .content-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
        text-align: center;
    }

    .content-image {
        order: -1;
    }

    .values-grid {
        grid-template-columns: 1fr;
    }

    .team-grid {
        grid-template-columns: 1fr;
    }

    /* Contact page responsive */
    .contact-layout {
        grid-template-columns: 1fr !important;
        gap: var(--space-6) !important;
    }

    .contact-form-section,
    .contact-info-section {
        padding: var(--space-4) !important;
    }

    .form-row {
        grid-template-columns: 1fr !important;
        gap: var(--space-3) !important;
    }

    .contact-method {
        flex-direction: column !important;
        text-align: center !important;
        gap: var(--space-2) !important;
    }

    .method-icon {
        align-self: center !important;
    }

    .faq-question {
        padding: var(--space-3) !important;
        font-size: var(--text-sm) !important;
    }

    .faq-answer p {
        padding: var(--space-3) !important;
        font-size: var(--text-sm) !important;
    }

    /* Test pages responsive */
    .config-options {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .test-stimulus {
        width: 150px;
        height: 150px;
        font-size: var(--text-3xl);
    }

    .results-grid {
        grid-template-columns: 1fr;
    }

    .test-area {
        min-height: 300px;
        padding: var(--space-6);
    }

    .page-title {
        font-size: var(--text-3xl);
    }

    .page-description {
        font-size: var(--text-base);
    }

    /* How to use section responsive */
    .tutorial-row {
        grid-template-columns: 1fr;
        gap: var(--space-6);
        margin-bottom: var(--space-8);
    }

    .tutorial-row:last-child {
        grid-template-columns: 1fr;
    }

    .tutorial-item {
        padding: var(--space-6);
    }

    .tutorial-item-wide {
        padding: var(--space-8);
    }

    .tutorial-header {
        flex-direction: column;
        text-align: center;
        gap: var(--space-4);
    }

    .tutorial-content {
        margin-left: 0;
        margin-top: var(--space-4);
    }

    .tutorial-number {
        font-size: var(--text-3xl);
    }

    .tutorial-icon-wrapper {
        width: 60px;
        height: 60px;
        font-size: var(--text-xl);
    }

    .tutorial-name {
        font-size: var(--text-xl);
    }

    .tutorial-description {
        font-size: var(--text-base);
        text-align: center;
    }

    .tutorial-process-horizontal {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .tutorial-process-horizontal .process-step {
        flex-direction: row;
        text-align: left;
    }

    .tutorial-process-horizontal .process-dot {
        width: 12px;
        height: 12px;
        margin-bottom: 0;
        margin-right: var(--space-3);
    }

    .process-step:hover {
        transform: translateX(4px);
    }

    .tutorial-process-horizontal .process-step:hover {
        transform: translateX(4px);
    }
}

/* Tablet Styles */
@media (max-width: 1024px) and (min-width: 768px) {
    .tutorial-row {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-6);
    }

    .tutorial-row:last-child {
        grid-template-columns: 1fr;
        max-width: 600px;
    }

    .tutorial-item {
        padding: var(--space-8);
    }

    .tutorial-content {
        margin-left: 0;
        margin-top: var(--space-6);
    }

    .tutorial-header {
        flex-direction: column;
        text-align: center;
        gap: var(--space-4);
    }

    .tutorial-process-horizontal {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Small devices (landscape phones, 576px and up) */
@media (min-width: 576px) and (max-width: 767px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: var(--space-8);
        text-align: center;
    }
    
    .hero-image {
        order: -1;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Medium devices (tablets, 768px and up) */
@media (max-width: 1023px) {
    /* Mobile Navigation */

    body {
        overflow-x: hidden;
    }

    /* Prevent body scroll when mobile menu is open */
    body.nav-open {
        overflow: hidden;
        position: fixed;
        width: 100%;
        height: 100%;
    }

    .container {
        padding: 0 var(--space-4);
        max-width: 100%;
    }
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 56px;
        left: 0;
        right: 0;
        bottom: 0;
        width: 100%;
        height: calc(100vh - 56px);
        background-color: var(--bg-primary);
        padding: var(--space-4);
        transform: translateX(100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
        z-index: 1001;
        display: none;
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        overflow-y: auto;
        overflow-x: hidden;
    }
    
    .nav-menu.active {
        display: flex;
        transform: translateX(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-list {
        flex-direction: column;
        gap: var(--space-2);
        align-items: center;
        text-align: center;
        width: 100%;
        max-width: 280px;
        padding: 0;
        margin: 0;
    }

    .nav-link {
        padding: var(--space-2) var(--space-3);
        border-radius: var(--radius-lg);
        text-align: center;
        font-size: var(--text-sm);
        font-weight: var(--font-medium);
        width: 100%;
        min-height: 50px;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: var(--space-2);
        transition: all var(--transition-base);
    }

    .nav-link i {
        font-size: var(--text-lg);
        width: auto;
    }

    .nav-link .fa-chevron-down {
        margin-left: 0;
        margin-top: var(--space-1);
    }
    
    .nav-link:hover {
        background-color: var(--bg-secondary);
    }

    .nav-link.active {
        background-color: var(--primary-light);
        color: var(--white);
        border-radius: var(--radius-lg);
    }

    .nav-link.active::after {
        display: none;
    }

    .nav-link.active i {
        color: var(--white);
    }
    
    /* Dropdown adjustments for mobile */
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        background-color: var(--bg-secondary);
        margin-top: var(--space-1);
        border-radius: var(--radius-lg);
        padding: var(--space-1);
        width: 100%;
    }

    .dropdown:hover .dropdown-menu {
        display: block;
    }

    .dropdown-link {
        padding: var(--space-2) var(--space-3);
        font-size: var(--text-sm);
        border-radius: var(--radius-sm);
        margin: var(--space-1) 0;
        width: 100%;
        display: flex;
        align-items: center;
        gap: var(--space-2);
    }

    .dropdown-link.active {
        background-color: var(--primary-color);
        color: var(--white);
        border-radius: var(--radius-md);
    }

    .dropdown-link.active i {
        color: var(--white);
    }
    
    /* Hero adjustments */
    .hero {
        padding: var(--space-16) 0;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        gap: var(--space-8);
        text-align: center;
    }
    
    .hero-image {
        order: -1;
    }
    
    .hero-title {
        font-size: var(--text-4xl);
    }
    
    /* Section spacing adjustments */
    .features,
    .stats,
    .blog-preview {
        padding: var(--space-16) 0;
    }
    
    .section-header {
        margin-bottom: var(--space-12);
    }
}

/* Large devices (desktops, 1024px and up) */
@media (min-width: 1024px) {
    .hero-title {
        font-size: var(--text-6xl);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .blog-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Extra large devices (large desktops, 1200px and up) */
@media (min-width: 1200px) {
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Mobile Navigation Animation */
.nav-toggle.active .bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active .bar:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active .bar:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    .btn:hover {
        transform: none;
    }
    
    .feature-card:hover {
        transform: none;
    }
    
    .blog-card:hover {
        transform: none;
    }
    
    .social-link:hover {
        transform: none;
    }
    
    /* Increase touch targets */
    .nav-link {
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .btn {
        min-height: 44px;
    }
    
    .social-link {
        width: 48px;
        height: 48px;
    }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    /* Optimize for retina displays */
    .hero-image img,
    .blog-card-image img {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .hero::before {
        animation: none;
    }
}

/* Dark mode responsive adjustments */
@media (prefers-color-scheme: dark) {
    .hero {
        background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
    }
    
    .stats {
        background-color: var(--gray-800);
    }
}

/* Print styles */
@media print {
    .header,
    .footer,
    .nav-toggle,
    .hero-buttons,
    .feature-link,
    .blog-card-link,
    .social-links {
        display: none !important;
    }
    
    .hero,
    .features,
    .stats,
    .blog-preview {
        padding: var(--space-8) 0 !important;
    }
    
    .hero .container {
        grid-template-columns: 1fr !important;
    }
    
    .hero-image {
        display: none !important;
    }
    
    .features-grid,
    .blog-grid {
        grid-template-columns: 1fr !important;
        gap: var(--space-4) !important;
    }
    
    .feature-card,
    .blog-card {
        break-inside: avoid;
        box-shadow: none !important;
        border: 1px solid var(--gray-300) !important;
    }
}

/* Landscape orientation on mobile */
@media (max-width: 1023px) and (orientation: landscape) {
    .hero {
        padding: var(--space-12) 0;
    }
    
    .hero-title {
        font-size: var(--text-3xl);
    }
    
    .features,
    .stats,
    .blog-preview {
        padding: var(--space-12) 0;
    }
}

/* Very small screens (320px and below) */
@media (max-width: 320px) {
    .container {
        padding: 0 var(--space-2);
    }
    
    .hero-title {
        font-size: var(--text-2xl);
    }
    
    .section-title {
        font-size: var(--text-2xl);
    }
    
    .feature-card,
    .blog-card {
        padding: var(--space-4);
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    
    .stat-number {
        font-size: var(--text-4xl);
    }
}

/* Desktop Navigation - Ensure normal display */
@media (min-width: 1024px) {
    .nav-menu {
        display: flex !important;
        position: static !important;
        transform: none !important;
        opacity: 1 !important;
        visibility: visible !important;
        background-color: transparent !important;
        padding: 0 !important;
        height: auto !important;
        overflow: visible !important;
        z-index: auto !important;
    }

    .nav-menu.active {
        display: flex !important;
    }
}