/* ===================================
   Responsive Design - Mobile First
   Gsoft Interactive Systems
   =================================== */

/* Mobile First - Base styles above are for mobile */

/* Small tablets and large phones (landscape) */
@media (max-width: 768px) {
    /* Typography adjustments */
    :root {
        --spacing-xs: 0.25rem;
        --spacing-sm: 0.75rem;
        --spacing-md: 1rem;
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
        --spacing-xxl: 3rem;
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    /* Header & Navigation */
    .navbar .container {
        position: relative;
    }
    
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        width: 100%;
        height: 100vh;
        background-color: var(--white);
        flex-direction: column;
        justify-content: flex-start;
        padding: var(--spacing-xl) var(--spacing-md);
        transform: translateX(-100%);
        transition: transform var(--transition-normal);
        box-shadow: var(--shadow-lg);
        z-index: 999;
    }
    
    .nav-menu.active {
        transform: translateX(0);
    }
    
    .nav-list {
        flex-direction: column;
        gap: var(--spacing-md);
        width: 100%;
    }
    
    .nav-item {
        width: 100%;
    }
    
    .nav-link {
        display: block;
        padding: var(--spacing-sm) 0;
        font-size: 1.125rem;
        border-bottom: 1px solid var(--gray-light);
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        background-color: var(--gray-light);
        margin-top: var(--spacing-sm);
        border-radius: var(--border-radius);
    }
    
    .mobile-menu-toggle {
        display: flex;
        z-index: 1001;
    }
    
    .mobile-menu-toggle.active .hamburger-line:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }
    
    .mobile-menu-toggle.active .hamburger-line:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active .hamburger-line:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }
    
    .nav-cta {
        margin-top: var(--spacing-lg);
        width: 100%;
    }
    
    .nav-cta .btn {
        width: 100%;
        justify-content: center;
    }
    
    /* Hero Section */
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .hero-stats {
        justify-content: center;
        flex-wrap: wrap;
        gap: var(--spacing-lg);
    }
    
    .stat-item {
        flex: 1;
        min-width: 120px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .btn-large {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 1rem;
        width: 100%;
        max-width: 280px;
    }
    
    /* Services Section */
    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .service-card {
        padding: var(--spacing-lg);
    }
    
    .service-card.featured {
        transform: none;
        order: -1;
    }
    
    .service-icon {
        width: 70px;
        height: 70px;
        font-size: 1.75rem;
    }
    
    /* Features Grid */
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .feature-icon {
        width: 80px;
        height: 80px;
        font-size: 2rem;
    }
    
    /* CTA Section */
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-section .btn {
        width: 100%;
        max-width: 300px;
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }
    
    .footer-legal {
        order: -1;
    }
}

/* Small phones */
@media (max-width: 480px) {
    :root {
        --spacing-xs: 0.25rem;
        --spacing-sm: 0.5rem;
        --spacing-md: 0.75rem;
        --spacing-lg: 1rem;
        --spacing-xl: 1.5rem;
        --spacing-xxl: 2rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    /* Typography for very small screens */
    .hero-title {
        font-size: 2rem;
        line-height: 1.2;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    /* Hero stats adjustment */
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .stat-item {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: var(--spacing-sm);
        background-color: rgba(255, 255, 255, 0.1);
        border-radius: var(--border-radius);
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .stat-label {
        font-size: 0.75rem;
        text-align: right;
    }
    
    /* Service cards */
    .service-card {
        padding: var(--spacing-md);
    }
    
    .service-features {
        font-size: 0.875rem;
    }
    
    /* Buttons */
    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.875rem;
    }
    
    .btn-large {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 0.875rem;
    }
    
    /* Social links in footer */
    .social-link {
        width: 40px;
        height: 40px;
        font-size: 0.875rem;
    }
}

/* Large tablets */
@media (min-width: 769px) and (max-width: 1024px) {
    .container {
        max-width: 100%;
        padding: 0 var(--spacing-lg);
    }
    
    .hero-content {
        gap: var(--spacing-xl);
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Desktop and larger screens */
@media (min-width: 1025px) {
    /* Enhanced hover effects for desktop */
    .service-card:hover {
        transform: translateY(-15px);
    }
    
    .feature-item:hover .feature-icon {
        transform: scale(1.15) rotate(10deg);
    }
    
    /* Better spacing for large screens */
    section {
        padding: calc(var(--spacing-xxl) * 1.5) 0;
    }
    
    .hero {
        min-height: 90vh;
    }
}

/* Extra large screens */
@media (min-width: 1400px) {
    .container {
        max-width: 1400px;
    }
    
    .hero-content {
        gap: calc(var(--spacing-xxl) * 2);
    }
    
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #0052cc;
        --secondary-color: #ff4500;
        --gray-medium: #333333;
    }
    
    .btn {
        border-width: 3px;
    }
    
    .service-card {
        border: 2px solid var(--gray-light);
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .scroll-down {
        animation: none;
    }
    
    .spinner {
        animation: none;
        border: 3px solid var(--primary-color);
    }
}

/* Print styles */
@media print {
    * {
        background: transparent !important;
        color: black !important;
        box-shadow: none !important;
        text-shadow: none !important;
    }
    
    .header,
    .hero-scroll-indicator,
    .cta-section,
    .footer {
        display: none !important;
    }
    
    .hero {
        min-height: auto;
        padding: 2rem 0;
    }
    
    .btn {
        border: 2px solid black;
        color: black !important;
        background: transparent !important;
    }
    
    a {
        color: black !important;
        text-decoration: underline;
    }
    
    .container {
        max-width: 100%;
        margin: 0;
        padding: 0;
    }
}

/* Focus styles for accessibility */
*:focus {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
}

.btn:focus {
    outline-color: var(--secondary-color);
}

/* Skip link for accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-color);
    color: var(--white);
    padding: 8px;
    text-decoration: none;
    border-radius: 4px;
    z-index: 10000;
}

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