/* ===== RESPONSIVE DESIGN - MATCHING APP UI ===== */
/* Updated to match the Flutter app's design system */

/* ===== MOBILE FIRST APPROACH ===== */

/* Extra Small Devices (phones, 576px and down) */
@media (max-width: 575.98px) {
    .container {
        padding: 0 var(--spacing-16);
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    h3 {
        font-size: 1.5rem;
    }
    
    .hero {
        padding: 80px 0 40px;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-24);
        text-align: center;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-12);
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
        padding: var(--spacing-12) var(--spacing-24);
    }
    
    .hero-stats {
        justify-content: center;
        gap: var(--spacing-20);
    }
    
    .stat-number {
        font-size: 1.25rem;
    }
    
    .stat-label {
        font-size: 0.75rem;
    }
    
    .features {
        padding: 40px 0;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-20);
    }
    
    .feature-card {
        padding: var(--spacing-24);
    }
    
    .feature-icon {
        width: 60px;
        height: 60px;
    }
    
    .feature-icon i {
        font-size: 1.5rem;
    }
    
    .how-it-works {
        padding: 40px 0;
    }
    
    .steps-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-24);
    }
    
    .step {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-12);
    }
    
    .step-number {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
    
    .screenshots {
        padding: 40px 0;
    }
    
    .screenshots-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-20);
    }
    
    .download {
        padding: 40px 0;
    }
    
    .download-title {
        font-size: 1.75rem;
    }
    
    .download-buttons {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-12);
    }
    
    .download-btn img {
        height: 45px;
    }
    
    .footer {
        padding: 30px 0 15px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-24);
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    /* Navigation Mobile */
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--surface);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        padding: var(--spacing-24) 0;
        gap: var(--spacing-12);
        border-top: 1px solid var(--divider);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    /* About Page Mobile */
    .mission-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-24);
        text-align: center;
    }
    
    .mission-stats {
        flex-direction: column;
        gap: var(--spacing-20);
    }
    
    .mission-stat-number {
        font-size: 2rem;
    }
    
    .values-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-20);
    }
    
    .value-card {
        padding: var(--spacing-24);
    }
    
    .value-icon {
        width: 60px;
        height: 60px;
    }
    
    .value-icon i {
        font-size: 1.5rem;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-20);
    }
    
    .team-member {
        padding: var(--spacing-24);
    }
    
    .team-avatar {
        width: 80px;
        height: 80px;
        font-size: 2rem;
    }
    
    /* Support Page Mobile */
    .search-container {
        padding: 0 var(--spacing-16);
    }
    
    .search-input {
        padding: var(--spacing-16) var(--spacing-20);
        padding-left: 50px;
        font-size: 1rem;
    }
    
    .search-icon {
        left: var(--spacing-16);
        font-size: 1rem;
    }
    
    .faq-container {
        padding: 0 var(--spacing-16);
    }
    
    .faq-question {
        padding: var(--spacing-20);
        font-size: 1rem;
    }
    
    .faq-answer {
        padding: 0 var(--spacing-20);
    }
    
    .faq-item.active .faq-answer {
        padding: 0 var(--spacing-20) var(--spacing-20);
    }
    
    /* Contact Page Mobile */
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-24);
    }
    
    .contact-info,
    .contact-form {
        padding: var(--spacing-24);
    }
    
    .contact-item {
        gap: var(--spacing-12);
        margin-bottom: var(--spacing-16);
    }
    
    .contact-icon {
        width: 35px;
        height: 35px;
    }
    
    .form-input,
    .form-textarea {
        padding: var(--spacing-12);
        font-size: 0.9rem;
    }
    
    .form-submit {
        width: 100%;
        padding: var(--spacing-12) var(--spacing-24);
    }
    
    /* Privacy Page Mobile */
    .privacy-content {
        padding: var(--spacing-24);
        margin: var(--spacing-16);
    }
    
    .privacy-section {
        margin-bottom: var(--spacing-32);
    }
    
    .privacy-section h3 {
        font-size: 1.3rem;
    }
    
    .privacy-section h4 {
        font-size: 1.1rem;
    }
    
    .privacy-section ul {
        margin-left: var(--spacing-16);
    }
    
    /* CTA Section Mobile */
    .cta {
        padding: 40px 0;
    }
    
    .cta-title {
        font-size: 1.75rem;
    }
    
    .cta-description {
        font-size: 1rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-12);
    }
}

/* Small Devices (landscape phones, 576px and up) */
@media (min-width: 576px) and (max-width: 767.98px) {
    .container {
        padding: 0 var(--spacing-20);
    }
    
    h1 {
        font-size: 2.25rem;
    }
    
    h2 {
        font-size: 1.875rem;
    }
    
    .hero {
        padding: 90px 0 50px;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-32);
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    .hero-description {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
        gap: var(--spacing-28);
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .features {
        padding: 50px 0;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-24);
    }
    
    .feature-card {
        padding: var(--spacing-28);
    }
    
    .how-it-works {
        padding: 50px 0;
    }
    
    .steps-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-28);
    }
    
    .step {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-16);
    }
    
    .screenshots {
        padding: 50px 0;
    }
    
    .screenshots-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-24);
    }
    
    .download {
        padding: 50px 0;
    }
    
    .download-title {
        font-size: 1.875rem;
    }
    
    .download-buttons {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-16);
    }
    
    .download-btn img {
        height: 50px;
    }
    
    .footer {
        padding: 35px 0 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-28);
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    /* About Page Small */
    .mission-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-32);
        text-align: center;
    }
    
    .mission-stats {
        flex-direction: row;
        justify-content: center;
        gap: var(--spacing-28);
    }
    
    .values-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-24);
    }
    
    .team-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-24);
    }
    
    /* Support Page Small */
    .search-container {
        padding: 0 var(--spacing-20);
    }
    
    .faq-container {
        padding: 0 var(--spacing-20);
    }
    
    /* Contact Page Small */
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-28);
    }
    
    /* Privacy Page Small */
    .privacy-content {
        padding: var(--spacing-28);
        margin: var(--spacing-20);
    }
    
    /* CTA Section Small */
    .cta {
        padding: 50px 0;
    }
    
    .cta-title {
        font-size: 1.875rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-16);
    }
}

/* Medium Devices (tablets, 768px and up) */
@media (min-width: 768px) and (max-width: 991.98px) {
    h1 {
        font-size: 2.75rem;
    }
    
    h2 {
        font-size: 2.125rem;
    }
    
    .hero-container {
        gap: var(--spacing-48);
    }
    
    .hero-title {
        font-size: 2.75rem;
    }
    
    .hero-buttons {
        flex-direction: row;
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-24);
    }
    
    .steps-container {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-32);
    }
    
    .screenshots-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-24);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-32);
    }
    
    /* About Page Medium */
    .mission-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-48);
        text-align: left;
    }
    
    .mission-stats {
        flex-direction: row;
        justify-content: flex-start;
        gap: var(--spacing-32);
    }
    
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-24);
    }
    
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-24);
    }
    
    /* Contact Page Medium */
    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-32);
    }
    
    /* CTA Section Medium */
    .cta-buttons {
        flex-direction: row;
        justify-content: center;
        gap: var(--spacing-16);
    }
}

/* Large Devices (desktops, 992px and up) */
@media (min-width: 992px) and (max-width: 1199.98px) {
    .hero-container {
        gap: var(--spacing-56);
    }
    
    .hero-title {
        font-size: 3.25rem;
    }
    
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-28);
    }
    
    .steps-container {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-40);
    }
    
    .screenshots-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-28);
    }
    
    .footer-content {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-40);
    }
    
    /* About Page Large */
    .values-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-28);
    }
    
    .team-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-28);
    }
}

/* Extra Large Devices (large desktops, 1200px and up) */
@media (min-width: 1200px) {
    .container {
        max-width: 1200px;
    }
    
    .hero-container {
        gap: var(--spacing-64);
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-32);
    }
    
    .steps-container {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-48);
    }
    
    .screenshots-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-32);
    }
    
    .footer-content {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--spacing-48);
    }
    
    /* About Page Extra Large */
    .values-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-32);
    }
    
    .team-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--spacing-32);
    }
}

/* Ultra Wide Screens (1400px and up) */
@media (min-width: 1400px) {
    .container {
        max-width: 1400px;
    }
    
    .hero-title {
        font-size: 4rem;
    }
    
    .section-title {
        font-size: 3rem;
    }
}

/* 4K and Ultra Wide (1920px and up) */
@media (min-width: 1920px) {
    .container {
        max-width: 1600px;
    }
    
    .hero-title {
        font-size: 4.5rem;
    }
    
    .section-title {
        font-size: 3.5rem;
    }
}

/* ===== LANDSCAPE ORIENTATION ADJUSTMENTS ===== */
@media (orientation: landscape) and (max-height: 600px) {
    .hero {
        padding: 60px 0 40px;
    }
    
    .hero-container {
        gap: var(--spacing-32);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-buttons {
        margin-bottom: var(--spacing-24);
    }
    
    .features,
    .how-it-works,
    .screenshots,
    .download {
        padding: 40px 0;
    }
}

/* ===== HIGH DPI DISPLAYS ===== */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .app-mockup,
    .screenshot-img {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* ===== PRINT STYLES ===== */
@media print {
    .navbar,
    .footer,
    .hero-buttons,
    .download-buttons,
    .cta-buttons {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    .hero {
        background: white !important;
        color: black !important;
    }
    
    .feature-card,
    .value-card,
    .team-member,
    .contact-info,
    .contact-form,
    .privacy-content {
        background: white !important;
        border: 1px solid #ccc !important;
        box-shadow: none !important;
    }
    
    h1, h2, h3, h4, h5, h6 {
        color: black !important;
    }
    
    p, .feature-description, .step-description {
        color: #333 !important;
    }
}

/* ===== ACCESSIBILITY ENHANCEMENTS ===== */

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --primary-500: #00FF84;
        --text-primary: #FFFFFF;
        --background: #000000;
        --surface: #111111;
        --divider: #333333;
    }
    
    .feature-card,
    .value-card,
    .team-member,
    .contact-info,
    .contact-form,
    .privacy-content {
        border: 2px solid var(--primary-500);
    }
    
    .btn {
        border: 2px solid var(--primary-500);
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .app-mockup {
        transform: none !important;
    }
    
    .feature-card:hover,
    .value-card:hover,
    .team-member:hover {
        transform: none !important;
    }
}

/* Dark mode preference (already dark, but ensure consistency) */
@media (prefers-color-scheme: dark) {
    :root {
        /* Already dark theme, no changes needed */
    }
}

/* Light mode preference (override for users who prefer light) */
@media (prefers-color-scheme: light) {
    /* Keep dark theme as it matches the app */
    /* Users can still use the dark theme */
}

/* ===== TOUCH DEVICE OPTIMIZATIONS ===== */
@media (hover: none) and (pointer: coarse) {
    .nav-link {
        padding: var(--spacing-12) var(--spacing-20);
        min-height: 44px;
        display: flex;
        align-items: center;
    }
    
    .btn {
        min-height: 44px;
        padding: var(--spacing-16) var(--spacing-32);
    }
    
    .feature-card,
    .value-card,
    .team-member {
        cursor: pointer;
    }
    
    .faq-question {
        min-height: 44px;
        padding: var(--spacing-16) var(--spacing-24);
    }
    
    .form-input,
    .form-textarea {
        min-height: 44px;
        padding: var(--spacing-16);
    }
    
    .form-submit {
        min-height: 44px;
        padding: var(--spacing-16) var(--spacing-32);
    }
}

/* ===== FOCUS VISIBILITY ===== */
@media (prefers-reduced-motion: no-preference) {
    .nav-link:focus,
    .btn:focus,
    .faq-question:focus,
    .form-input:focus,
    .form-textarea:focus,
    .form-submit:focus {
        outline: 2px solid var(--secondary);
        outline-offset: 2px;
    }
}