/* DIGIVUU Website - Responsive Styles */

/* Large Desktop (1200px and up) */
@media (min-width: 1200px) {
    .container {
        max-width: 1400px;
    }
    
    .hero-title {
        font-size: 4.5rem;
    }
    
    .section-title {
        font-size: 3.5rem;
    }
}

/* Desktop (992px to 1199px) */
@media (max-width: 1199px) {
    .container {
        max-width: 960px;
    }
    
    .hero-content {
        gap: var(--spacing-3xl);
    }
    
    .phone-mockup {
        width: 250px;
        height: 500px;
    }
}

/* Tablet (768px to 991px) */
@media (max-width: 991px) {
    .container {
        max-width: 720px;
        padding: 0 var(--spacing-md);
    }
    
    /* Navigation */
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: var(--spacing-xl);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-normal);
        z-index: var(--z-dropdown);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active .bar:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    /* Hero Section */
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
        text-align: center;
    }
    
    .hero-title {
        font-size: var(--font-size-5xl);
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .phone-mockup {
        width: 200px;
        height: 400px;
    }
    
    /* Features Grid */
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: var(--spacing-xl);
    }
    
    /* Technology Grid */
    .tech-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    
    /* Pricing Grid */
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    /* Contact Content */
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-xl);
    }
    
    .footer-section:first-child {
        grid-column: 1 / -1;
    }
    
    /* Demo Features */
    .demo-features {
        flex-wrap: wrap;
        gap: var(--spacing-lg);
    }
    
    /* Metrics Grid */
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile Large (576px to 767px) */
@media (max-width: 767px) {
    .container {
        max-width: 540px;
        padding: 0 var(--spacing-md);
    }
    
    /* Typography */
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-description {
        font-size: var(--font-size-lg);
    }
    
    /* Spacing */
    section {
        padding: var(--spacing-3xl) 0;
    }
    
    .section-header {
        margin-bottom: var(--spacing-3xl);
    }
    
    /* Hero */
    .hero {
        padding: calc(var(--spacing-3xl) + 80px) 0 var(--spacing-3xl);
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .stat-item {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: var(--spacing-md);
    }
    
    .stat-number {
        font-size: var(--font-size-xl);
    }
    
    /* Features */
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .feature-card {
        padding: var(--spacing-xl);
    }
    
    /* Technology */
    .tech-grid {
        grid-template-columns: 1fr;
    }
    
    .tech-category {
        padding: var(--spacing-xl);
    }
    
    /* Performance Metrics */
    .metrics-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .metric-item {
        padding: var(--spacing-md);
    }
    
    .metric-value {
        font-size: var(--font-size-2xl);
    }
    
    /* Demo */
    .demo-features {
        flex-direction: column;
        align-items: center;
    }
    
    /* Contact */
    .contact-item {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .contact-form {
        padding: var(--spacing-xl);
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .footer-bottom-links {
        justify-content: center;
    }
    
    /* Buttons */
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
}

/* Mobile Medium (480px to 575px) */
@media (max-width: 575px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    /* Typography */
    .hero-title {
        font-size: var(--font-size-3xl);
        line-height: 1.2;
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .hero-description {
        font-size: var(--font-size-base);
    }
    
    /* Spacing */
    section {
        padding: var(--spacing-2xl) 0;
    }
    
    .section-header {
        margin-bottom: var(--spacing-2xl);
    }
    
    /* Cards */
    .feature-card,
    .tech-category,
    .pricing-card {
        padding: var(--spacing-lg);
    }
    
    .contact-form {
        padding: var(--spacing-lg);
    }
    
    /* Phone Mockup */
    .phone-mockup {
        width: 180px;
        height: 360px;
        padding: 15px;
    }
    
    .app-interface {
        padding: var(--spacing-md);
    }
    
    /* Pricing */
    .plan-price .amount {
        font-size: var(--font-size-4xl);
    }
    
    /* Demo */
    .demo-title {
        font-size: var(--font-size-3xl);
    }
    
    /* Form */
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    /* Back to Top */
    .back-to-top {
        bottom: var(--spacing-md);
        right: var(--spacing-md);
        width: 45px;
        height: 45px;
    }
}

/* Mobile Small (320px to 479px) */
@media (max-width: 479px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    /* Typography */
    .hero-title {
        font-size: var(--font-size-2xl);
    }
    
    .section-title {
        font-size: var(--font-size-xl);
    }
    
    .section-description {
        font-size: var(--font-size-base);
    }
    
    /* Navigation */
    .nav-menu {
        padding: var(--spacing-lg);
    }
    
    .nav-brand .logo {
        height: 32px;
    }
    
    /* Hero */
    .hero {
        padding: calc(var(--spacing-2xl) + 70px) 0 var(--spacing-2xl);
    }
    
    .hero-buttons {
        gap: var(--spacing-md);
    }
    
    .btn {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: var(--font-size-sm);
    }
    
    .btn-large {
        padding: var(--spacing-md) var(--spacing-xl);
        font-size: var(--font-size-base);
    }
    
    /* Stats */
    .stat-number {
        font-size: var(--font-size-lg);
    }
    
    .stat-label {
        font-size: var(--font-size-xs);
    }
    
    /* Phone Mockup */
    .phone-mockup {
        width: 160px;
        height: 320px;
        padding: 12px;
    }
    
    .app-interface {
        padding: var(--spacing-sm);
    }
    
    .appointment-card {
        padding: var(--spacing-md);
    }
    
    .barber-avatar {
        width: 40px;
        height: 40px;
    }
    
    /* Cards */
    .feature-card,
    .tech-category,
    .pricing-card,
    .contact-form {
        padding: var(--spacing-md);
    }
    
    .feature-icon {
        width: 48px;
        height: 48px;
    }
    
    .feature-icon i {
        font-size: var(--font-size-xl);
    }
    
    /* Pricing */
    .plan-price .amount {
        font-size: var(--font-size-3xl);
    }
    
    .plan-price .currency,
    .plan-price .period {
        font-size: var(--font-size-base);
    }
    
    /* Contact */
    .contact-icon {
        width: 40px;
        height: 40px;
    }
    
    .contact-icon i {
        font-size: var(--font-size-base);
    }
    
    /* Footer */
    .footer {
        padding: var(--spacing-2xl) 0 var(--spacing-lg);
    }
    
    .footer-content {
        gap: var(--spacing-lg);
    }
    
    .footer-logo {
        height: 32px;
    }
    
    .social-link {
        width: 36px;
        height: 36px;
    }
    
    /* Performance Metrics */
    .performance-metrics {
        padding: var(--spacing-lg);
    }
    
    .metrics-title {
        font-size: var(--font-size-xl);
    }
    
    .metric-value {
        font-size: var(--font-size-xl);
    }
}

/* Extra Small Mobile (below 320px) */
@media (max-width: 319px) {
    .container {
        padding: 0 var(--spacing-xs);
    }
    
    .hero-title {
        font-size: var(--font-size-xl);
    }
    
    .section-title {
        font-size: var(--font-size-lg);
    }
    
    .phone-mockup {
        width: 140px;
        height: 280px;
        padding: 10px;
    }
    
    .btn {
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: var(--font-size-xs);
    }
    
    .feature-card,
    .tech-category,
    .pricing-card,
    .contact-form {
        padding: var(--spacing-sm);
    }
}

/* Landscape Orientation */
@media (orientation: landscape) and (max-height: 600px) {
    .hero {
        padding: calc(var(--spacing-xl) + 80px) 0 var(--spacing-xl);
    }
    
    .hero-content {
        gap: var(--spacing-xl);
    }
    
    .phone-mockup {
        width: 160px;
        height: 320px;
    }
    
    section {
        padding: var(--spacing-xl) 0;
    }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .hero-bg-elements .bg-circle {
        will-change: transform;
    }
    
    .phone-mockup {
        backface-visibility: hidden;
        transform: translateZ(0);
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .bg-circle {
        animation: none !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --text-primary: #F9FAFB;
        --text-secondary: #D1D5DB;
        --text-light: #9CA3AF;
        --background-light: #1F2937;
        --background-white: #111827;
        --border-color: #374151;
    }
    
    .header {
        background: rgba(17, 24, 39, 0.95);
        border-bottom-color: var(--border-color);
    }
    
    .phone-screen {
        background: var(--background-white);
    }
    
    .contact-form,
    .feature-card,
    .tech-category,
    .pricing-card,
    .performance-metrics {
        background: var(--background-white);
        border-color: var(--border-color);
    }
}

/* Print Styles */
@media print {
    .header,
    .back-to-top,
    .demo,
    .contact {
        display: none !important;
    }
    
    .hero {
        padding: var(--spacing-lg) 0;
    }
    
    .hero-bg-elements {
        display: none;
    }
    
    section {
        padding: var(--spacing-lg) 0;
        break-inside: avoid;
    }
    
    .feature-card,
    .tech-category,
    .pricing-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid var(--border-color);
    }
    
    a {
        color: var(--text-primary) !important;
        text-decoration: underline;
    }
    
    .btn {
        border: 1px solid var(--text-primary);
        background: transparent !important;
        color: var(--text-primary) !important;
    }
}

/* Focus Styles for Accessibility */
@media (prefers-reduced-motion: no-preference) {
    .nav-link:focus,
    .btn:focus,
    .social-link:focus,
    .back-to-top:focus,
    input:focus,
    select:focus,
    textarea:focus {
        outline: 2px solid var(--primary-color);
        outline-offset: 2px;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #000000;
        --secondary-color: #000000;
        --text-primary: #000000;
        --text-secondary: #000000;
        --background-white: #FFFFFF;
        --border-color: #000000;
    }
    
    .btn-primary {
        background: #000000;
        color: #FFFFFF;
        border: 2px solid #000000;
    }
    
    .btn-outline {
        background: #FFFFFF;
        color: #000000;
        border: 2px solid #000000;
    }
    
    .feature-card,
    .tech-category,
    .pricing-card {
        border: 2px solid #000000;
    }
}