/* ChatPsy Supervisor - Responsive CSS */

/* Mobile First Approach - Base styles are for mobile */

/* Extra Small Devices (Phones, less than 576px) */
@media (max-width: 575.98px) {
    :root {
        --spacing-xs: 0.125rem;
        --spacing-sm: 0.25rem;
        --spacing-md: 0.5rem;
        --spacing-lg: 1rem;
        --spacing-xl: 1.5rem;
        --spacing-2xl: 2rem;
        --spacing-3xl: 2.5rem;
        
        --font-size-xs: 0.625rem;
        --font-size-sm: 0.75rem;
        --font-size-base: 0.875rem;
        --font-size-lg: 1rem;
        --font-size-xl: 1.125rem;
        --font-size-2xl: 1.25rem;
        --font-size-3xl: 1.5rem;
        --font-size-4xl: 1.75rem;
        --font-size-5xl: 2rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    /* Header adjustments */
    .nav-container {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }
    
    .nav-brand .brand-name {
        font-size: var(--font-size-lg);
    }
    
    .nav-menu {
        display: none;
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        border: 1px solid var(--border-color);
        border-radius: 0 0 var(--radius-lg) var(--radius-lg);
        box-shadow: var(--shadow-xl);
        z-index: var(--z-dropdown);
        padding: var(--spacing-lg);
    }
    
    .nav-menu.active {
        display: block;
    }
    
    .nav-list {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .nav-controls {
        gap: var(--spacing-sm);
    }
    
    .auth-buttons {
        flex-direction: column;
        width: 100%;
        gap: var(--spacing-sm);
    }
    
    .auth-buttons .btn {
        width: 100%;
        justify-content: center;
    }
    
    .nav-toggle {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        width: 40px;
        height: 40px;
        background: transparent;
        border: none;
        cursor: pointer;
        padding: 8px;
        border-radius: var(--radius-md);
        transition: all var(--transition-base);
        position: relative;
    }
    
    .nav-toggle:hover {
        background: var(--bg-secondary);
    }
    
    .nav-toggle:focus {
        outline: 2px solid var(--primary-color);
        outline-offset: 2px;
    }
    
    .hamburger {
        width: 24px;
        height: 2px;
        background: var(--text-primary);
        border-radius: 2px;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        transform-origin: center;
        position: relative;
    }
    
    .hamburger::before,
    .hamburger::after {
        content: '';
        position: absolute;
        width: 24px;
        height: 2px;
        background: var(--text-primary);
        border-radius: 2px;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        transform-origin: center;
    }
    
    .hamburger::before {
        top: -6px;
    }
    
    .hamburger::after {
        bottom: -6px;
    }
    
    /* Active hamburger animation */
    .nav-toggle.active .hamburger {
        background: transparent;
    }
    
    .nav-toggle.active .hamburger::before {
        transform: translateY(6px) rotate(45deg);
    }
    
    .nav-toggle.active .hamburger::after {
        transform: translateY(-6px) rotate(-45deg);
    }
    
    /* Hero section */
    .hero .container {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
        line-height: 1.1;
    }
    
    .hero-description {
        font-size: var(--font-size-base);
    }
    
    .try-buttons {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .try-btn {
        padding: var(--spacing-md);
    }
    
    .dashboard-preview {
        max-width: 100%;
    }
    
    /* Section adjustments */
    section {
        padding: var(--spacing-xl) 0;
    }
    
    .section-header h2 {
        font-size: var(--font-size-2xl);
    }
    
    .section-header p {
        font-size: var(--font-size-base);
    }
    
    /* Features section - Optimized for 2 models */
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        max-width: 100%;
    }
    
    .feature-card {
        padding: var(--spacing-xl);
        min-height: auto;
    }
    
    .feature-card.featured {
        transform: none;
        background: var(--bg-primary);
    }
    
    .feature-icon {
        width: 70px;
        height: 70px;
        font-size: var(--font-size-2xl);
        margin-bottom: var(--spacing-lg);
    }
    
    .additional-features {
        margin-top: var(--spacing-xl);
    }
    
    .feature-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .feature-item {
        padding: var(--spacing-md);
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }
    
    /* Academy section */
    .academy-categories {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .category-card {
        padding: var(--spacing-lg);
    }
    
    .category-icon {
        width: 50px;
        height: 50px;
        font-size: var(--font-size-lg);
    }
    
    /* Team section */
    .team-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .team-member {
        padding: var(--spacing-lg);
    }
    
    .member-photo {
        width: 100px;
        height: 100px;
    }
    
    /* Pricing section */
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .pricing-card.featured {
        transform: none;
        order: -1;
    }
    
    .pricing-card {
        padding: var(--spacing-lg);
    }
    
    .plan-price .amount {
        font-size: var(--font-size-3xl);
    }
    
    /* Add-on section */
    .addon-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        max-width: 100%;
    }
    
    .addon-card {
        padding: var(--spacing-lg);
    }
    
    .addon-icon {
        width: 50px;
        height: 50px;
        font-size: var(--font-size-lg);
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .footer-compliance {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    /* Modal adjustments */
    .modal-backdrop {
        padding: var(--spacing-sm);
    }
    
    .modal {
        max-width: 100%;
        margin: 0;
    }
    
    .modal-header,
    .modal-body,
    .modal-footer {
        padding: var(--spacing-md);
    }
    
    /* Form adjustments */
    .form-input,
    .form-select,
    .form-textarea {
        font-size: 16px; /* Prevent zoom on iOS */
    }
    
    /* Button adjustments */
    .btn {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--font-size-base);
    }
    
    /* Card adjustments */
    .card {
        padding: var(--spacing-md);
    }
}

/* Small Devices (Landscape phones, 576px and up) */
@media (min-width: 576px) and (max-width: 767.98px) {
    .container {
        max-width: 540px;
    }
    
    .try-buttons {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .academy-categories,
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .addon-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    .feature-row {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Medium Devices (Tablets, 768px and up) */
@media (min-width: 768px) and (max-width: 991.98px) {
    .container {
        max-width: 720px;
    }
    
    .nav-menu {
        display: flex;
    }
    
    .nav-toggle {
        display: none;
    }
    
    .auth-buttons {
        flex-direction: row;
        width: auto;
    }
    
    .hero .container {
        grid-template-columns: 1fr 1fr;
        text-align: left;
    }
    
    .hero-visual {
        order: 0;
    }
    
    .try-buttons {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-xl);
        max-width: 800px;
    }
    
    .academy-categories {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .feature-row {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Large Devices (Desktops, 992px and up) */
@media (min-width: 992px) and (max-width: 1199.98px) {
    .container {
        max-width: 960px;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-2xl);
        max-width: 1000px;
    }
    
    .academy-categories {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .team-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .pricing-card.featured {
        transform: scale(1.05);
    }
    
    .feature-row {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Extra Large Devices (Large desktops, 1200px and up) */
@media (min-width: 1200px) {
    .container {
        max-width: 1140px;
    }
    
    .hero-title {
        font-size: var(--font-size-5xl);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-2xl);
        max-width: 900px;
    }
    
    .feature-card.featured {
        transform: scale(1.02);
    }
}

/* Ultra Wide Screens (1400px and up) */
@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }
    
    .hero .container {
        gap: var(--spacing-3xl);
    }
    
    .features-grid {
        gap: var(--spacing-2xl);
    }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2),
       (min-resolution: 192dpi),
       (min-resolution: 2dppx) {
    .logo,
    .footer-logo {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Print Styles */
@media print {
    * {
        background: white !important;
        color: black !important;
        box-shadow: none !important;
        text-shadow: none !important;
    }
    
    .header,
    .footer,
    .nav-toggle,
    .theme-toggle,
    .language-selector,
    .auth-buttons,
    .try-buttons {
        display: none !important;
    }
    
    main {
        margin-top: 0 !important;
    }
    
    .hero-background,
    .neural-network {
        display: none !important;
    }
    
    a[href]:after {
        content: " (" attr(href) ")";
    }
    
    .container {
        max-width: none;
        padding: 0;
    }
    
    section {
        page-break-inside: avoid;
        padding: 1rem 0;
    }
    
    h1, h2, h3 {
        page-break-after: avoid;
    }
    
    p {
        orphans: 3;
        widows: 3;
    }
}

/* Landscape Orientation */
@media screen and (orientation: landscape) and (max-height: 500px) {
    .hero {
        min-height: auto;
        padding: var(--spacing-xl) 0;
    }
    
    .hero .container {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-lg);
    }
    
    .hero-title {
        font-size: var(--font-size-2xl);
    }
    
    .dashboard-preview {
        max-width: 300px;
    }
}

/* Reduced Motion */
@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-content,
    .hero-visual,
    .feature-card,
    .category-card,
    .team-member,
    .pricing-card {
        animation: none !important;
        transition: none !important;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --border-color: #000000;
        --shadow-color: rgba(0, 0, 0, 0.8);
    }
    
    .btn {
        border: 2px solid currentColor;
    }
    
    .feature-card,
    .category-card,
    .team-member,
    .pricing-card {
        border: 2px solid var(--border-color);
    }
}

/* Dark Theme Media Query */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #0f172a;
        --bg-secondary: #1e293b;
        --bg-tertiary: #334155;
        --text-primary: #f8fafc;
        --text-secondary: #cbd5e1;
        --text-muted: #94a3b8;
        --border-color: #475569;
        --shadow-color: rgba(0, 0, 0, 0.3);
    }
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
    .btn,
    .nav-link,
    .try-btn,
    .feature-card,
    .category-card,
    .team-member,
    .pricing-card {
        min-height: 44px; /* Minimum touch target size */
    }
    
    .nav-link {
        padding: var(--spacing-md) var(--spacing-sm);
    }
    
    /* Remove hover effects on touch devices */
    .feature-card:hover,
    .category-card:hover,
    .team-member:hover,
    .pricing-card:hover,
    .try-btn:hover {
        transform: none;
    }
    
    .btn:hover {
        transform: none;
    }
}

/* Focus Visible Support */
@supports selector(:focus-visible) {
    .btn:focus,
    .nav-link:focus,
    .form-input:focus,
    .form-select:focus,
    .form-textarea:focus,
    .theme-toggle:focus,
    .language-selector select:focus {
        outline: none;
    }
    
    .btn:focus-visible,
    .nav-link:focus-visible,
    .form-input:focus-visible,
    .form-select:focus-visible,
    .form-textarea:focus-visible,
    .theme-toggle:focus-visible,
    .language-selector select:focus-visible {
        outline: 2px solid var(--primary-color);
        outline-offset: 2px;
    }
}

/* Container Queries (if supported) */
@supports (container-type: inline-size) {
    .hero {
        container-type: inline-size;
    }
    
    @container (max-width: 600px) {
        .hero .container {
            grid-template-columns: 1fr;
        }
    }
}

/* Utility Classes for Responsive Design */
.hide-mobile {
    display: none;
}

.show-mobile {
    display: block;
}

@media (min-width: 768px) {
    .hide-mobile {
        display: block;
    }
    
    .show-mobile {
        display: none;
    }
    
    .hide-tablet {
        display: none;
    }
    
    .show-tablet {
        display: block;
    }
}

@media (min-width: 992px) {
    .hide-tablet {
        display: block;
    }
    
    .show-tablet {
        display: none;
    }
    
    .hide-desktop {
        display: none;
    }
    
    .show-desktop {
        display: block;
    }
}

/* Flexible Grid Classes */
.grid-responsive {
    display: grid;
    gap: var(--spacing-md);
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-responsive-sm {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.grid-responsive-lg {
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
}

/* Responsive Typography */
.text-responsive {
    font-size: clamp(1rem, 2.5vw, 1.5rem);
}

.heading-responsive {
    font-size: clamp(1.5rem, 5vw, 3rem);
}