/* Responsive Design */

/* Large Desktop */
@media (min-width: 1400px) {
    .container {
        max-width: 1400px;
    }
    
    .hero-title {
        font-size: 4.5rem;
    }
    
    .section-title {
        font-size: 3.2rem;
    }
    
    .hero-container {
        gap: 6rem;
    }
    
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 3rem;
    }
    
    .platforms-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 3rem;
    }
    
    .pricing-options {
        grid-template-columns: repeat(3, 1fr);
        gap: 3rem;
    }
}

/* Desktop */
@media (max-width: 1200px) {
    .hero-container {
        gap: 3rem;
    }
    
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    
    .platforms-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

/* Tablet */
@media (max-width: 768px) {
    /* Navigation */
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: rgba(255, 255, 255, 0.98);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
        gap: 1rem;
    }
    
    .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);
    }
    
    /* Hero Section */
    .hero {
        padding: 120px 0 80px;
        min-height: auto;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-description {
        font-size: 1.2rem;
    }
    
    .hero-buttons {
        justify-content: center;
        gap: 1rem;
    }
    
    /* Features Section */
    .features {
        padding: 80px 0;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    
    .feature-card {
        padding: 2rem;
    }
    
    /* Platforms Section */
    .platforms {
        padding: 60px 0;
    }
    
    .platforms-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .platform-card {
        padding: 1.5rem;
    }
    
    /* Browser Extensions Section */
    .extensions {
        padding: 80px 0;
    }
    
    .extensions-list {
        gap: 1rem;
        max-width: 100%;
    }
    
    .extension-item {
        padding: 1.5rem;
        flex-direction: column;
        align-items: stretch;
        gap: 1.5rem;
    }
    
    .extension-info {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }
    
    .extension-meta {
        align-items: center;
        width: 100%;
    }
    
    .extension-download {
        width: 100%;
        justify-content: center;
    }
    
    .common-guide {
        padding: 1.5rem;
    }
    
    .guide-content {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }
    
    .extension-overview {
        padding: 2rem;
    }
    
    .overview-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    /* Pricing Section */
    .pricing {
        padding: 60px 0;
    }
    
    .pricing-options {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .pricing-card {
        padding: 1.5rem;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    /* About Section */
    .about {
        padding: 60px 0;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .about-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    /* Footer */
    .footer {
        padding: 40px 0 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .footer-legal {
        justify-content: center;
    }
    
    /* Typography */
    .section-title {
        font-size: 2rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
        margin-bottom: 2rem;
    }
}

/* Mobile */
@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .nav-container {
        padding: 0 15px;
    }
    
    .hero-container {
        padding: 0 15px;
    }
    
    /* Hero Section */
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-description {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
        padding: 1rem 2rem;
        font-size: 1.1rem;
    }
    
    /* Features Section */
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
    
    .feature-icon {
        width: 60px;
        height: 60px;
    }
    
    .feature-icon i {
        font-size: 1.5rem;
    }
    
    .feature-title {
        font-size: 1.3rem;
    }
    
    /* Platforms Section */
    .platform-card {
        padding: 1rem;
    }
    
    .platform-icon {
        width: 60px;
        height: 60px;
    }
    
    .platform-icon i {
        font-size: 1.5rem;
    }
    
    .platform-features {
        flex-direction: column;
        align-items: center;
    }
    
    /* Browser Extensions Section */
    .extension-item {
        padding: 1rem;
        gap: 0.75rem;
    }
    
    .extension-info {
        gap: 0.75rem;
    }
    
    .extension-icon {
        width: 50px;
        height: 50px;
    }
    
    .extension-icon i {
        font-size: 1.5rem;
    }
    
    .extension-title {
        font-size: 1.1rem;
    }
    
    .extension-description {
        font-size: 0.85rem;
    }
    

    
    .common-guide {
        padding: 1rem;
    }
    
    .guide-content {
        gap: 1rem;
    }
    
    .guide-button {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .extension-overview {
        padding: 1.5rem;
    }
    
    /* Pricing Section */
    .pricing-card {
        padding: 1rem;
    }
    
    .pricing-price {
        font-size: 1.5rem;
    }
    
    /* About Section */
    .about-stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    /* Typography */
    .section-title {
        font-size: 1.8rem;
    }
    
    .section-subtitle {
        font-size: 0.9rem;
    }
    
    /* Footer */
    .footer-legal {
        flex-direction: column;
        gap: 1rem;
    }
}

/* Small Mobile */
@media (max-width: 360px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-description {
        font-size: 0.9rem;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    .section-subtitle {
        font-size: 0.85rem;
    }
    
    .feature-card,
    .platform-card,
    .pricing-card {
        padding: 0.75rem;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
}

/* Landscape Mobile */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        padding: 80px 0 40px;
        min-height: auto;
    }
    
    .hero-container {
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2rem;
        margin-bottom: 1rem;
    }
    
    .hero-description {
        margin-bottom: 1rem;
    }
}

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

/* Print Styles */
@media print {
    .header,
    .footer,
    .hero-buttons,
    .platform-download,
    .btn {
        display: none !important;
    }
    
    .hero {
        padding: 20px 0;
        background: white !important;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: left;
    }
    
    .features-grid,
    .platforms-grid,
    .pricing-options {
        grid-template-columns: 1fr;
    }
    
    .feature-card,
    .platform-card,
    .pricing-card {
        box-shadow: none;
        border: 1px solid #ccc;
        break-inside: avoid;
    }
    
    .section-title {
        color: black !important;
        page-break-after: avoid;
    }
    
    .section-subtitle {
        color: #666 !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    h1, h2, h3, h4, h5, h6 {
        page-break-after: avoid;
    }
}

/* Accessibility Improvements */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .hero-container,
    .feature-card,
    .platform-card,
    .pricing-card {
        transform: none !important;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #1a1a1a;
        --bg-secondary: #2d2d2d;
        --text-primary: #ffffff;
        --text-secondary: #b0b0b0;
        --border-color: #404040;
    }
    
    body {
        background-color: var(--bg-primary);
        color: var(--text-primary);
    }
    
    .header {
        background: rgba(26, 26, 26, 0.95);
    }
    
    .feature-card,
    .platform-card,
    .pricing-card {
        background: var(--bg-secondary);
        border-color: var(--border-color);
    }
    
    .platforms,
    .about {
        background: var(--bg-secondary);
    }
    
    .section-title {
        color: var(--text-primary);
    }
    
    .section-subtitle {
        color: var(--text-secondary);
    }
}

/* Focus Styles for Accessibility */
.btn:focus,
.nav-link:focus,
.platform-download:focus {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

/* Skip Link for Screen Readers */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: #667eea;
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: 4px;
    z-index: 1001;
}

.skip-link:focus {
    top: 6px;
}