/* Responsive Design */

/* Large Desktop (1200px and up) */
@media (min-width: 1200px) {
    .container {
        padding: 0 var(--spacing-2xl);
    }

    .hero-title {
        font-size: 4rem;
    }

    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .download-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .tech-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Desktop Large (1129px to 1199px) */
@media (max-width: 1199px) and (min-width: 1129px) {
    .hero-title {
        font-size: 3.5rem;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .download-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Desktop Medium (601px to 1128px) */
@media (max-width: 1128px) and (min-width: 601px) {
    .container {
        padding: 0 var(--spacing-lg);
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
        text-align: center;
    }

    .hero-title {
        font-size: 3rem;
    }

    .hero-actions {
        justify-content: center;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }

    .download-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }

    .tab-window {
        transform: none;
        max-width: 500px;
    }

    .tab-window:hover {
        transform: none;
    }
}

/* Mobile and Tablet (up to 600px) */
@media (max-width: 600px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .hero {
        padding: var(--spacing-2xl) 0;
        min-height: 70vh;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }

    .hero-title {
        font-size: 2.5rem;
        line-height: 1.1;
    }

    .hero-subtitle {
        font-size: var(--font-size-base);
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-md);
    }

    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .nav-menu {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .download-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .tech-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .requirements-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }

    .open-source-links {
        flex-direction: column;
        align-items: center;
    }

    .tab-window {
        transform: none;
        max-width: 400px;
    }

    .tab-window:hover {
        transform: none;
    }

    .tab-bar {
        flex-wrap: wrap;
        gap: var(--spacing-xs);
    }

    .tab {
        font-size: var(--font-size-xs);
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .tab span {
        display: none;
    }

    .tab.active span {
        display: inline;
    }

    .section-title {
        font-size: var(--font-size-2xl);
    }

    .section-subtitle {
        font-size: var(--font-size-base);
    }
}

/* Mobile Large (400px to 575px) */
@media (max-width: 575px) and (min-width: 400px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .hero {
        padding: var(--spacing-2xl) 0;
        min-height: 70vh;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }

    .hero-title {
        font-size: 2.5rem;
        line-height: 1.1;
    }

    .hero-subtitle {
        font-size: var(--font-size-base);
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-md);
    }

    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .nav-menu {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .download-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .tech-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .requirements-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }

    .open-source-links {
        flex-direction: column;
        align-items: center;
    }

    .tab-window {
        transform: none;
        max-width: 400px;
    }

    .tab-window:hover {
        transform: none;
    }

    .tab-bar {
        flex-wrap: wrap;
        gap: var(--spacing-xs);
    }

    .tab {
        font-size: var(--font-size-xs);
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .tab span {
        display: none;
    }

    .tab.active span {
        display: inline;
    }

    .section-title {
        font-size: var(--font-size-2xl);
    }

    .section-subtitle {
        font-size: var(--font-size-base);
    }
}

/* Mobile Small (up to 399px) */
@media (max-width: 399px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .hero {
        padding: var(--spacing-xl) 0;
        min-height: 60vh;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        text-align: center;
    }

    .hero-title {
        font-size: 2rem;
        line-height: 1.1;
    }

    .hero-subtitle {
        font-size: var(--font-size-sm);
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
    }

    .btn {
        width: 100%;
        justify-content: center;
        padding: var(--spacing-md) var(--spacing-lg);
    }

    .nav-container {
        padding: 0 var(--spacing-md);
    }

    .nav-brand {
        font-size: var(--font-size-lg);
    }

    .nav-logo {
        width: 28px;
        height: 28px;
    }

    .nav-menu {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .features {
        padding: var(--spacing-2xl) 0;
    }

    .downloads {
        padding: var(--spacing-2xl) 0;
    }

    .tech-stack {
        padding: var(--spacing-2xl) 0;
    }

    .features-grid,
    .download-grid,
    .tech-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .feature-card,
    .download-card,
    .tech-category {
        padding: var(--spacing-lg);
    }

    .requirements-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .footer {
        padding: var(--spacing-2xl) 0 var(--spacing-lg);
    }

    .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;
    }

    .open-source-links {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
    }

    .tab-content {
        padding: var(--spacing-md);
        height: 150px;
    }

    .tab-window {
        max-width: 320px;
    }

    .tab-bar {
        flex-wrap: wrap;
        gap: 2px;
    }

    .tab {
        font-size: var(--font-size-xs);
        padding: 4px 8px;
        min-width: auto;
    }

    .tab span {
        display: none;
    }

    .tab.active span {
        display: inline;
        max-width: 60px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .tab-icon {
        width: 12px;
        height: 12px;
    }

    .section-header {
        margin-bottom: var(--spacing-2xl);
    }

    .section-title {
        font-size: var(--font-size-xl);
    }

    .section-subtitle {
        font-size: var(--font-size-sm);
    }

    .download-options {
        gap: var(--spacing-sm);
    }

    .download-select {
        font-size: var(--font-size-xs);
        padding: var(--spacing-sm);
    }
}

/* Mobile Navigation */
@media (max-width: 600px) {
    .nav-menu {
        display: none;
    }

    .nav-menu.active {
        display: flex;
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        height: calc(100vh - var(--header-height));
        background-color: var(--bg-card);
        border-top: 1px solid var(--border-color);
        flex-direction: column;
        justify-content: flex-start;
        align-items: stretch;
        padding: var(--spacing-xl);
        gap: var(--spacing-lg);
        box-shadow: var(--shadow-lg);
        z-index: 999;
        overflow-y: auto;
        animation: slideDown 0.3s ease-out;
        scrollbar-width: thin;
        scrollbar-color: #87ceeb #f0f8ff;
    }

    .nav-menu.active::-webkit-scrollbar {
        width: 8px;
    }

    .nav-menu.active::-webkit-scrollbar-track {
        background: #f0f8ff;
        border-radius: 4px;
    }

    .nav-menu.active::-webkit-scrollbar-thumb {
        background: linear-gradient(180deg, #87ceeb 0%, #6bb6ff 50%, #4da6ff 100%);
        border-radius: 4px;
        border: 1px solid #b3d9ff;
        transition: all 0.3s ease;
    }

    .nav-menu.active::-webkit-scrollbar-thumb:hover {
        background: linear-gradient(180deg, #6bb6ff 0%, #4da6ff 50%, #3399ff 100%);
        border-color: #99ccff;
        box-shadow: 0 0 6px rgba(135, 206, 235, 0.4);
    }

    @keyframes slideDown {
        from {
            transform: translateY(-100%);
            opacity: 0;
        }

        to {
            transform: translateY(0);
            opacity: 1;
        }
    }

    .nav-menu.active .nav-link {
        font-size: var(--font-size-lg);
        padding: var(--spacing-md) 0;
        border-bottom: 1px solid var(--border-color);
        text-align: center;
        transition: all var(--transition-fast);
    }

    .nav-menu.active .nav-link:last-child {
        border-bottom: none;
    }

    .nav-menu.active .nav-link:hover {
        background-color: var(--bg-secondary);
        color: var(--primary-color);
        transform: translateX(4px);
    }

    .nav-toggle {
        display: flex;
    }
}

/* Print Styles */
@media print {

    .header,
    .nav-toggle,
    .hero-actions,
    .download-card,
    .footer {
        display: none;
    }

    .main {
        margin-top: 0;
    }

    .hero {
        padding: var(--spacing-lg) 0;
        min-height: auto;
    }

    .features,
    .tech-stack {
        padding: var(--spacing-lg) 0;
    }

    .feature-card,
    .tech-category {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid var(--border-color);
    }
}