/* Responsive CSS - Cosmos Website */

/* Mobile First Approach */

/* Extra Small Devices (phones, 576px and down) */
@media (max-width: 575.98px) {
    .container {
        padding: 0 var(--spacing-4);
    }
    
    /* Typography */
    h1 {
        font-size: var(--font-size-3xl);
    }
    
    h2 {
        font-size: var(--font-size-2xl);
    }
    
    h3 {
        font-size: var(--font-size-xl);
    }
    
    /* Navigation - Mobile only: fixed header at top */
    /* Desktop styles remain unchanged in components.css */
    .header {
        /* Mobile-specific overrides only */
        max-width: calc(100vw - var(--spacing-4));
        top: var(--spacing-2);
    }
    
    .navbar-menu {
        position: fixed;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100vh;
        background: rgba(20, 20, 20, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        gap: var(--spacing-6);
        padding-top: 80px;
        transition: left var(--transition-normal);
        z-index: var(--z-modal);
        overflow-y: auto;
    }
    
    .navbar-menu.active {
        left: 0;
    }
    
    .navbar-toggle {
        display: flex;
        z-index: calc(var(--z-modal) + 1);
    }
    
    .navbar-nav {
        flex-direction: column;
        gap: var(--spacing-4);
        width: 100%;
        padding: 0 var(--spacing-4);
    }
    
    .nav-item {
        text-align: center;
        width: 100%;
    }
    
    .nav-link {
        width: 100%;
        justify-content: center;
        padding: var(--spacing-3) var(--spacing-4);
        color: rgba(255, 255, 255, 0.9);
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        background: rgba(10, 10, 10, 0.8);
        margin-top: var(--spacing-2);
        border-radius: var(--radius-md);
        width: 100%;
    }
    
    .dropdown-submenu .dropdown-menu {
        position: static;
        margin-left: var(--spacing-4);
    }
    
    /* Hero Section - Don't force full screen on mobile */
    .hero,
    section.hero,
    .home-hero,
    .careers-hero,
    .contact-hero,
    .partners-hero {
        min-height: auto !important;
        height: auto !important;
        padding: calc(60px + var(--spacing-12)) 0 var(--spacing-16) 0;
    }
    
    /* Hero background videos/images - don't force full screen on mobile */
    .hero-background-video,
    .hero-background-image {
        height: auto !important;
        min-height: auto !important;
        max-height: 70vh;
    }
    
    /* Add padding-top to main content to account for fixed header */
    .main {
        padding-top: 60px;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-8);
        text-align: center;
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-2);
    }
    
    .hero-title-accent::after {
        display: none;
    }
    
    .hero-description {
        font-size: var(--font-size-lg);
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-card {
        transform: none;
        max-width: 300px;
        margin: 0 auto;
    }
    
    
    /* Override any padding-top: 0 !important rules on mobile */
    section.benefits[style*="padding-top: 0"],
    section.features[style*="padding-top: 0"] {
        padding-top: calc(80px + var(--spacing-8)) !important;
    }
    
    /* Section header spacing */
    .section-header {
        margin-top: var(--spacing-4);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-6);
    }
    
    .feature-card {
        padding: var(--spacing-6);
    }
    
    /* Products */
    .products-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-6);
    }
    
    .product-card {
        padding: var(--spacing-6);
    }
    
    /* CTA */
    .cta-title {
        font-size: var(--font-size-3xl);
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .cta .btn {
        width: 100%;
        max-width: 300px;
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-6);
        text-align: center;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        gap: var(--spacing-4);
    }
}

/* Small Devices (landscape phones, 576px and up) */
@media (min-width: 576px) and (max-width: 767.98px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-12);
    }
    
    .hero-title {
        font-size: var(--font-size-5xl);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
}

/* Medium Devices (tablets, 768px and up) */
@media (min-width: 768px) and (max-width: 991.98px) {
    .navbar-menu {
        display: flex;
    }
    
    .navbar-toggle {
        display: none;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-12);
    }
    
    .hero-title {
        font-size: var(--font-size-5xl);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cta-actions {
        flex-direction: row;
        justify-content: center;
    }
}

/* Large Devices (desktops, 992px and up) */
@media (min-width: 992px) and (max-width: 1199.98px) {
    .hero-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .hero-title {
        flex-wrap: nowrap;
        white-space: nowrap;
    }
    
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Extra Large Devices (large desktops, 1200px and up) */
@media (min-width: 1200px) {
    .container {
        max-width: 1400px;
    }
    
    .hero-title {
        font-size: var(--font-size-6xl);
        flex-wrap: nowrap;
        white-space: nowrap;
    }
    
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Ultra Wide Screens (1400px and up) */
@media (min-width: 1400px) {
    .container {
        max-width: 1600px;
    }
    
    .hero-title {
        font-size: 4rem;
    }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .hero-card {
        box-shadow: var(--shadow-2xl);
    }
    
    .feature-card:hover {
        box-shadow: var(--shadow-2xl);
    }
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .navbar-toggle,
    .hero-actions,
    .cta-actions {
        display: none;
    }
    
    .hero {
        min-height: auto;
        padding: var(--spacing-8) 0;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
    }
    
    .section-header {
        margin-bottom: var(--spacing-8);
    }
    
    .features,
    .products,
    .cta {
        padding: var(--spacing-8) 0;
    }
    
    .features-grid,
    .products-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
    }
    
    /* Demo Page Responsive */
    .demo-hero {
        padding: calc(80px + var(--spacing-12)) 0 var(--spacing-16) 0;
    }
    
    .demo-hero .hero-title {
        font-size: clamp(2rem, 8vw, 3rem);
        gap: 0.2rem;
    }
    
    .demo-hero .hero-description {
        font-size: var(--font-size-base);
        padding: 0 var(--spacing-4);
    }
    
    .demo-video {
        padding: var(--spacing-16) 0;
    }
    
    .video-container {
        padding: 0 var(--spacing-4);
    }
    
    .video-wrapper {
        margin-bottom: var(--spacing-8);
    }
    
    .video-info {
        padding: 0 var(--spacing-2);
    }
    
    .video-title {
        font-size: var(--font-size-2xl);
    }
    
    .video-description {
        font-size: var(--font-size-base);
    }
    
    .demo-benefits {
        padding: var(--spacing-16) 0;
    }
    
    a {
        color: var(--gray-900);
        text-decoration: underline;
    }
}

/* Accessibility - Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .hero-particles {
        animation: none;
    }
    
    .ai-brain {
        animation: none;
    }
    
    .point {
        animation: none;
    }
}

/* Unified theme in use — theme switching removed */
/* System preference detection is handled in JavaScript for better control */

/* Focus Styles for Accessibility */
.btn:focus,
.nav-link:focus,
.dropdown-link:focus,
.social-link:focus {
    outline: 3px solid var(--focus-ring);
    outline-offset: 3px;
    box-shadow: 0 6px 30px rgba(0,0,0,0.18), 0 0 0 6px var(--focus-ring);
}

/* Hide skip links completely - multiple selectors for maximum coverage */
.skip-link,
a.skip-link,
a[href="#main"].skip-link,
a[href="#main"],
body > a.skip-link,
body > a:first-child[href="#main"],
body > .skip-link:first-child {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
    position: absolute !important;
    left: -9999px !important;
    top: -9999px !important;
    width: 0 !important;
    height: 0 !important;
    overflow: hidden !important;
    pointer-events: none !important;
    z-index: -9999 !important;
}

/* Loading States */
.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}