/* Responsive Design */

/* Tablet (768px - 1023px) */
@media (max-width: 1023px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .demo-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
    }
    
    .hero-stats {
        justify-content: center;
        gap: var(--spacing-lg);
    }
}

/* Mobile (320px - 767px) */
@media (max-width: 767px) {
    /* Navigation */
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        border-top: 1px solid var(--border-color);
        box-shadow: var(--shadow-lg);
        transition: var(--transition);
        opacity: 0;
        visibility: hidden;
    }
    
    .nav-menu.active {
        top: 100%;
        opacity: 1;
        visibility: visible;
    }
    
    .nav-list {
        flex-direction: column;
        padding: var(--spacing-md);
        gap: var(--spacing-sm);
    }
    
    .nav-actions {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    /* Hero */
    .hero {
        min-height: 80vh;
        padding-top: 80px;
    }
    
    .hero-content {
        padding: var(--spacing-lg) 0;
    }
    
    .hero-title {
        font-size: 2.5rem;
        line-height: 1.2;
    }
    
    .hero-description {
        font-size: 1.125rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .floating-cards {
        display: none;
    }
    
    /* Sections */
    .section-title {
        font-size: 2rem;
    }
    
    .section-description {
        font-size: 1rem;
    }
    
    /* Features */
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .feature-item {
        padding: var(--spacing-lg);
    }
    
    /* Users */
    .users-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .user-card {
        padding: var(--spacing-lg);
    }
    
    /* Demo */
    .demo-title {
        font-size: 2rem;
    }
    
    .demo-description {
        font-size: 1rem;
    }
    
    .demo-feature {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }
    
    /* Pricing */
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .pricing-card {
        padding: var(--spacing-lg);
    }
    
    /* Testimonials */
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .testimonial-card {
        padding: var(--spacing-lg);
    }
    
    /* CTA */
    .cta-title {
        font-size: 2rem;
    }
    
    .cta-description {
        font-size: 1rem;
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
    
    .footer-legal {
        justify-content: center;
    }
    
    /* Modal */
    .modal-content {
        width: 95%;
        margin: var(--spacing-sm);
    }
    
    .modal-header,
    .modal-body {
        padding: var(--spacing-md);
    }
    
    /* Buttons */
    .btn-large {
        padding: 0.875rem 1.5rem;
        font-size: 0.875rem;
    }
    
    /* Spacing adjustments */
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    section {
        padding: var(--spacing-xl) 0;
    }
}

/* Extra small devices (320px - 479px) */
@media (max-width: 479px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .demo-title,
    .cta-title {
        font-size: 1.75rem;
    }
    
    .pricing-price .amount {
        font-size: 2.5rem;
    }
    
    .hero-actions,
    .cta-actions {
        width: 100%;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .hero-stats {
        width: 100%;
    }
    
    .stat {
        flex: 1;
    }
}

/* Large screens (1200px+) */
@media (min-width: 1200px) {
    .container {
        max-width: 1400px;
    }
    
    .hero-title {
        font-size: 4rem;
    }
    
    .section-title {
        font-size: 3rem;
    }
    
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .users-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .testimonials-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .floating-image,
    .demo-screenshot,
    .author-avatar {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .floating-image,
    .feature-card {
        animation: none;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .header {
        background: rgba(15, 23, 42, 0.95);
        border-bottom-color: rgba(255, 255, 255, 0.1);
    }
    
    .nav-link {
        color: rgba(255, 255, 255, 0.7);
    }
    
    .nav-link:hover {
        color: var(--primary-color);
    }
    
    .brand-text {
        color: white;
    }
    
    .nav-toggle span {
        background: white;
    }
}

/* Print styles */
@media print {
    .header,
    .nav-toggle,
    .hero-actions,
    .cta-actions,
    .footer,
    .modal {
        display: none !important;
    }
    
    .hero {
        min-height: auto;
        background: white;
        color: black;
    }
    
    .section-title,
    .hero-title {
        color: black;
    }
    
    .feature-item,
    .user-card,
    .testimonial-card,
    .pricing-card {
        box-shadow: none;
        border: 1px solid #ccc;
    }
    
    a {
        text-decoration: underline;
    }
    
    .gradient-text {
        -webkit-text-fill-color: initial;
        background: none;
        color: black;
    }
}