/* Responsive Design - Mobile First Approach */

/* Mobile Styles (320px and up) */
@media (max-width: 767px) {
    /* Typography adjustments for mobile */
    .hero-title {
        font-size: var(--font-size-3xl);
        line-height: 1.1;
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
    }
    
    h1 {
        font-size: var(--font-size-3xl);
    }
    
    h2 {
        font-size: var(--font-size-2xl);
    }
    
    h3 {
        font-size: var(--font-size-xl);
    }
    
    /* Navigation mobile styles */
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--background-white);
        transition: left var(--transition-normal);
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-list {
        flex-direction: column;
        padding: var(--spacing-2xl);
        gap: var(--spacing-lg);
    }
    
    .nav-link {
        display: block;
        padding: var(--spacing-md);
        font-size: var(--font-size-lg);
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-toggle {
        display: flex;
    }
    
    /* Hamburger animation */
    .nav-toggle.active .hamburger:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active .hamburger:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active .hamburger:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    /* Hero section mobile */
    .hero {
        padding: 60px 0 var(--spacing-2xl);
        min-height: auto;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
        text-align: center;
    }
    
    .hero-image {
        order: -1;
    }
    
    .hero-img {
        max-width: 300px;
    }
    
    /* Container adjustments */
    .container {
        padding: 0 var(--spacing-md);
    }
    
    /* Grid layouts for mobile */
    .what-we-do-content,
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .what-we-do-image,
    .about-image,
    .contact-image {
        order: -1;
        text-align: center;
    }
    
    /* Features grid mobile */
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .feature-card {
        padding: var(--spacing-xl);
    }
    
    /* Footer mobile */
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }
    
    /* Form adjustments */
    .contact-form {
        padding: var(--spacing-xl);
    }
    
    .btn {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--font-size-base);
    }
    
    /* Spacing adjustments */
    .section-header {
        margin-bottom: var(--spacing-2xl);
    }
    
    .what-we-do,
    .features,
    .about,
    .contact {
        padding: var(--spacing-2xl) 0;
    }
}

/* Tablet Styles (768px and up) */
@media (min-width: 768px) and (max-width: 1023px) {
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .hero-container {
        gap: var(--spacing-2xl);
    }
    
    .hero-img {
        max-width: 400px;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-xl);
    }
    
    .what-we-do-content,
    .about-content,
    .contact-content {
        gap: var(--spacing-2xl);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-xl);
    }
    
    .container {
        padding: 0 var(--spacing-xl);
    }
}

/* Desktop Styles (1024px and up) */
@media (min-width: 1024px) {
    .hero-title {
        font-size: var(--font-size-5xl);
    }
    
    .hero-container {
        gap: var(--spacing-3xl);
    }
    
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(4, 1fr);
    }
    
    /* Hover effects for desktop */
    .feature-card:hover {
        transform: translateY(-8px);
    }
    
    .nav-link:hover {
        transform: translateY(-2px);
    }
}

/* Large Desktop Styles (1200px and up) */
@media (min-width: 1200px) {
    .container {
        max-width: 1200px;
        margin: 0 auto;
    }
    
    .hero-container {
        max-width: 1200px;
        margin: 0 auto;
    }
}

/* Extra Large Desktop Styles (1400px and up) */
@media (min-width: 1400px) {
    .hero-title {
        font-size: 3.5rem;
    }
    
    .container {
        max-width: 1400px;
    }
    
    .hero-container {
        max-width: 1400px;
    }
}

/* Landscape orientation adjustments for mobile */
@media (max-width: 767px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: 80px 0 var(--spacing-xl);
    }
    
    .nav-menu {
        height: calc(100vh - 60px);
        top: 60px;
    }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .logo,
    .hero-img,
    .feature-img,
    .about-img,
    .contact-img {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Print styles */
@media print {
    .header,
    .nav-toggle,
    .btn,
    .contact-form {
        display: none !important;
    }
    
    .hero {
        padding: 0;
        min-height: auto;
    }
    
    .container {
        max-width: none;
        padding: 0;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    h1, h2, h3, h4, h5, h6 {
        page-break-after: avoid;
    }
    
    .feature-card,
    .contact-form {
        page-break-inside: avoid;
    }
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .hero {
        background: var(--background-light);
    }
}

/* Dark mode support (if needed in future) */
@media (prefers-color-scheme: dark) {
    /* Dark mode styles can be added here */
}

/* Focus styles for accessibility */
.nav-link:focus,
.btn:focus,
.form-input:focus,
.form-textarea:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Skip to content link for accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-color);
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    z-index: 1001;
}

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