/* Eleva Core - Responsive Styles */

/* Large screens and up (1200px+) */
@media (min-width: 1200px) {
    :root {
        --container-padding: 2rem;
    }
    
    .hero h1 {
        font-size: 4rem;
    }
    
    .hero p {
        font-size: 1.375rem;
    }
    
    .section-header h2 {
        font-size: var(--font-size-4xl);
    }
}

/* Medium screens (768px - 1199px) */
@media (max-width: 1199px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-xl);
    }
    
    .browser-instructions {
        grid-template-columns: 1fr;
    }
}

/* Tablet screens (768px - 991px) */
@media (max-width: 991px) {
    :root {
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.75rem;
        --spacing-4xl: 4rem;
        --spacing-3xl: 3rem;
    }
    
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero {
        min-height: 50vh;
        padding: var(--spacing-2xl) 0;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .nav-menu {
        gap: var(--spacing-lg);
    }
    
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
    
    .cookie-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .team-member.featured {
        grid-column: span 1;
    }
    
    .team-member.featured .member-info {
        text-align: center;
    }
    
    .team-member.featured .member-description,
    .team-member.featured .member-specialties,
    .team-member.featured .member-achievements {
        text-align: left;
    }
}

/* Small tablets and large phones (481px - 767px) */
@media (max-width: 767px) {
    :root {
        --container-padding: 1rem;
        --spacing-4xl: 3rem;
        --spacing-3xl: 2rem;
        --spacing-2xl: 1.5rem;
    }
    
    /* Navigation */
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--white);
        flex-direction: column;
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
        z-index: 999;
    }
    
    .nav-menu.show {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    /* Grid layouts */
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    /* Hero section */
    .hero {
        min-height: 40vh;
        padding: var(--spacing-xl) 0;
    }
    
    .hero h1 {
        font-size: var(--font-size-3xl);
    }
    
    .hero p {
        font-size: var(--font-size-lg);
    }
    
    /* Page header */
    .page-header {
        padding: var(--spacing-2xl) 0;
    }
    
    .page-icon {
        width: 48px;
        height: 48px;
    }
    
    /* Sections */
    .section {
        padding: var(--spacing-3xl) 0;
    }
    
    .section-header {
        margin-bottom: var(--spacing-2xl);
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }
    
    .footer {
        padding: var(--spacing-3xl) 0 var(--spacing-xl);
    }
    
    /* Forms */
    .form-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .contact-methods {
        gap: var(--spacing-lg);
    }
    
    .contact-method {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    /* Cards */
    .card {
        padding: var(--spacing-lg);
    }
    
    .service-card,
    .team-member,
    .achievement-card {
        padding: var(--spacing-lg);
    }
    
    /* Timeline */
    .timeline {
        padding-left: var(--spacing-xl);
    }
    
    .timeline::before {
        left: 15px;
    }
    
    .timeline-item::before {
        left: -21px;
    }
    
    /* Cookie banner */
    .cookie-content {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .cookie-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .cookie-buttons .btn {
        width: 100%;
    }
    
    /* Cookie modal */
    .cookie-modal-content {
        padding: var(--spacing-lg);
        width: 95%;
    }
    
    .cookie-modal-buttons {
        flex-direction: column;
    }
    
    /* Legal content */
    .cookie-table {
        font-size: var(--font-size-xs);
    }
    
    .cookie-table th,
    .cookie-table td {
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    /* Thank you page */
    .thank-you-content {
        padding: var(--spacing-lg);
    }
    
    .steps-grid {
        gap: var(--spacing-lg);
    }
    
    .step {
        padding: var(--spacing-lg);
    }
    
    .action-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .action-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
    
    /* Statistics */
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-number {
        font-size: var(--font-size-3xl);
    }
    
    /* Progress */
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .project-meta {
        font-size: var(--font-size-xs);
    }
    
    /* FAQ */
    .faq-question {
        padding: var(--spacing-md);
    }
    
    .faq-question h3 {
        font-size: var(--font-size-base);
    }
    
    .faq-answer {
        padding: 0 var(--spacing-md);
    }
    
    .faq-item.active .faq-answer {
        padding: var(--spacing-md);
    }
    
    /* Social links */
    .social-links {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    /* Buttons */
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
    
    /* Tables */
    .cookie-table table {
        font-size: var(--font-size-xs);
    }
    
    /* Member skills */
    .member-skills {
        justify-content: center;
    }
    
    /* Map section */
    .map-section {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    /* Newsletter */
    .newsletter-input-group {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .newsletter-input-group input,
    .newsletter-input-group button {
        width: 100%;
    }
}

/* Mobile phones (320px - 480px) */
@media (max-width: 480px) {
    :root {
        --container-padding: 0.75rem;
        --spacing-4xl: 2rem;
        --spacing-3xl: 1.5rem;
        --spacing-2xl: 1rem;
        --spacing-xl: 0.75rem;
        --font-size-5xl: 2rem;
        --font-size-4xl: 1.75rem;
        --font-size-3xl: 1.5rem;
        --font-size-2xl: 1.25rem;
    }
    
    .section {
        padding: var(--spacing-2xl) 0;
    }
    
    .hero {
        padding: var(--spacing-lg) 0;
        min-height: 35vh;
    }
    
    .hero h1 {
        font-size: var(--font-size-2xl);
        margin-bottom: var(--spacing-md);
    }
    
    .hero p {
        font-size: var(--font-size-base);
        margin-bottom: var(--spacing-lg);
    }
    
    .page-header {
        padding: var(--spacing-lg) 0;
    }
    
    .page-icon {
        width: 40px;
        height: 40px;
    }
    
    .card {
        padding: var(--spacing-md);
    }
    
    .section-header {
        margin-bottom: var(--spacing-lg);
    }
    
    .section-header h2 {
        font-size: var(--font-size-2xl);
    }
    
    .btn {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: var(--font-size-sm);
        min-height: 44px;
    }
    
    .service-icon,
    .achievement-icon {
        width: 48px;
        height: 48px;
    }
    
    .avatar-svg {
        width: 100px;
        height: 100px;
    }
    
    .timeline {
        padding-left: var(--spacing-lg);
    }
    
    .timeline::before {
        left: 10px;
    }
    
    .timeline-item::before {
        left: -16px;
        width: 10px;
        height: 10px;
    }
    
    .cookie-banner {
        padding: var(--spacing-md);
    }
    
    .cookie-content {
        gap: var(--spacing-sm);
    }
    
    .cookie-text h3 {
        font-size: var(--font-size-lg);
        margin-bottom: var(--spacing-xs);
    }
    
    .cookie-text p {
        font-size: var(--font-size-sm);
    }
    
    .cookie-buttons .btn {
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: var(--font-size-sm);
    }
    
    .legal-section h3 {
        font-size: var(--font-size-lg);
    }
    
    .legal-section h4 {
        font-size: var(--font-size-base);
    }
    
    .contact-info-box {
        padding: var(--spacing-md);
    }
    
    .thank-you-icon .success-icon {
        width: 80px;
        height: 80px;
    }
    
    .step-icon {
        width: 40px;
        height: 40px;
    }
    
    .stat-number {
        font-size: var(--font-size-2xl);
    }
    
    .achievement-number {
        font-size: var(--font-size-3xl);
    }
    
    .project-card {
        padding: var(--spacing-md);
    }
    
    .form-group {
        margin-bottom: var(--spacing-md);
    }
    
    .contact-method {
        gap: var(--spacing-sm);
    }
    
    .footer {
        padding: var(--spacing-2xl) 0 var(--spacing-md);
    }
    
    .footer-content {
        gap: var(--spacing-lg);
    }
    
    .social-links {
        gap: var(--spacing-sm);
    }
    
    .nav-menu {
        padding: var(--spacing-md);
    }
    
    .nav-link {
        padding: var(--spacing-md);
        border-radius: var(--border-radius-sm);
    }
}

/* Very small screens (up to 320px) */
@media (max-width: 320px) {
    :root {
        --container-padding: 0.5rem;
        --spacing-lg: 0.5rem;
        --spacing-md: 0.375rem;
        --spacing-sm: 0.25rem;
    }
    
    .hero h1 {
        font-size: var(--font-size-xl);
    }
    
    .section-header h2 {
        font-size: var(--font-size-xl);
    }
    
    .btn {
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: var(--font-size-xs);
        min-height: 40px;
    }
    
    .card {
        padding: var(--spacing-sm);
    }
    
    .cookie-banner {
        padding: var(--spacing-sm);
    }
    
    .cookie-modal-content {
        padding: var(--spacing-md);
        width: 98%;
    }
    
    .legal-document {
        padding: var(--spacing-sm);
    }
    
    .contact-info-box {
        padding: var(--spacing-sm);
    }
    
    .footer-content {
        gap: var(--spacing-md);
    }
}

/* Landscape orientation adjustments */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        min-height: 80vh;
    }
    
    .page-header {
        padding: var(--spacing-lg) 0;
    }
    
    .nav-menu {
        max-height: 60vh;
        overflow-y: auto;
    }
}

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

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .animate-fade-in,
    .animate-slide-in,
    .animate-pulse {
        animation: none;
    }
    
    .hero-background {
        animation: none;
    }
}

/* Dark mode support (if browser/OS supports it) */
@media (prefers-color-scheme: dark) {
    /* We're explicitly not implementing dark mode as per requirements,
       but we can ensure our colors work well in both contexts */
    
    .placeholder-svg rect {
        fill: var(--gray-100);
    }
    
    .map-svg rect {
        fill: var(--gray-100);
    }
}

/* Print-specific responsive adjustments */
@media print {
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .card {
        padding: 1rem;
        margin-bottom: 1rem;
        page-break-inside: avoid;
    }
    
    .section {
        padding: 2rem 0 1rem;
    }
    
    .hero,
    .page-header {
        padding: 1rem 0;
        background: none !important;
        color: var(--black) !important;
    }
    
    .hero h1,
    .page-header h1 {
        color: var(--black) !important;
    }
    
    .btn {
        display: none;
    }
    
    .timeline::before {
        background-color: var(--black);
    }
    
    .timeline-item::before {
        background-color: var(--black);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Hover states for touch devices */
@media (hover: none) and (pointer: coarse) {
    .btn:hover {
        transform: none;
        box-shadow: var(--shadow-md);
    }
    
    .card:hover {
        transform: none;
        box-shadow: var(--shadow-md);
    }
    
    .nav-link:hover,
    .social-links a:hover {
        background-color: transparent;
    }
    
    .faq-question:hover {
        background-color: var(--gray-50);
    }
}

/* Focus states for accessibility */
@media (focus-visible) {
    .btn:focus-visible,
    .nav-link:focus-visible,
    input:focus-visible,
    textarea:focus-visible,
    select:focus-visible {
        outline: 2px solid var(--primary-color);
        outline-offset: 2px;
    }
    
    .hamburger:focus-visible {
        outline: 2px solid var(--primary-color);
        outline-offset: 4px;
        border-radius: var(--border-radius-sm);
    }
}

/* Container queries for modern browsers */
@supports (container-type: inline-size) {
    .card {
        container-type: inline-size;
    }
    
    @container (max-width: 300px) {
        .service-card .btn {
            font-size: var(--font-size-sm);
            padding: var(--spacing-sm) var(--spacing-md);
        }
        
        .service-icon {
            width: 48px;
            height: 48px;
        }
    }
}

/* Accessibility improvements for small screens */
@media (max-width: 767px) {
    /* Larger touch targets */
    .btn {
        min-height: 48px;
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    .nav-link {
        min-height: 48px;
        display: flex;
        align-items: center;
    }
    
    .checkbox-label {
        min-height: 48px;
        align-items: center;
    }
    
    .faq-question {
        min-height: 60px;
    }
    
    /* Better spacing for readability */
    p {
        line-height: 1.6;
    }
    
    /* Improved form controls */
    input,
    textarea,
    select {
        min-height: 48px;
        font-size: 16px; /* Prevents zoom on iOS */
    }
}