/* Responsive Design - Mobile First */

/* Tablet (768px and up) */
@media (min-width: 768px) {
    :root {
        --container-padding: 2rem;
    }
    
    .header-content {
        padding: 1.25rem var(--container-padding);
    }
    
    .pillars-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .solutions-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Desktop (1024px and up) */
@media (min-width: 1024px) {
    :root {
        --container-padding: 3rem;
        --spacing-xl: 8rem;
    }
    
    .hero {
        padding: 6rem 0;
    }
}

/* Mobile (below 768px) */
@media (max-width: 767px) {
    .main-nav {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        background-color: var(--white);
        box-shadow: var(--shadow-lg);
        transition: left 0.3s ease;
        z-index: 999;
    }
    
    .main-nav.active {
        left: 0;
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: 0;
        padding: var(--spacing-md) 0;
    }
    
    .main-nav li {
        width: 100%;
    }
    
    .main-nav a {
        display: block;
        padding: var(--spacing-sm) var(--container-padding);
        border-bottom: 1px solid var(--neutral-light);
    }
    
    .main-nav a::after {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero {
        padding: var(--spacing-lg) 0;
    }
    
    .section {
        padding: var(--spacing-lg) 0;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-legal {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
}

/* Small Mobile (below 480px) */
@media (max-width: 479px) {
    :root {
        --container-padding: 1rem;
    }
    
    .logo {
        font-size: 1.25rem;
    }
    
    .logo-img {
        height: 40px;
    }
    
    .logo-text {
        font-size: 1.25rem;
        margin-left: 0.5rem;
    }
    
    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.9375rem;
    }
    
    .btn-large {
        padding: 0.875rem 2rem;
        font-size: 1rem;
    }
    
    .pillars-grid {
        grid-template-columns: 1fr;
    }
    
    .solutions-grid {
        grid-template-columns: 1fr;
    }
}

/* Large Desktop (1440px and up) */
@media (min-width: 1440px) {
    :root {
        --container-max: 1320px;
    }
}

/* Print Styles */
@media print {
    .site-header,
    .site-footer,
    .mobile-menu-toggle,
    .btn {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
    }
    
    h1 {
        font-size: 24pt;
    }
    
    h2 {
        font-size: 20pt;
    }
    
    h3 {
        font-size: 16pt;
    }
}