/* Vestígios Generosos - World-class CSS with advanced patterns */

/* Design System Variables */
:root {
    /* Colors */
    --primary: #0a0a0a;
    --primary-light: #1a1a1a;
    --secondary: #666;
    --accent: #2563eb;
    --accent-dark: #1d4ed8;
    --accent-light: #60a5fa;
    --success: #059669;
    --warning: #f59e0b;
    --error: #dc2626;
    
    /* Neutrals */
    --bg: #ffffff;
    --bg-light: #fafafa;
    --bg-dark: #f3f4f6;
    --text: #0f172a;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    --border: #e2e8f0;
    --border-dark: #cbd5e1;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    
    /* Layout */
    --radius-sm: 0.375rem;
    --radius: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --container: 1200px;
    --gutter: 2rem;
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --font-mono: 'Fira Code', 'Consolas', monospace;
    
    /* Animation */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    --ease-out: cubic-bezier(0, 0, 0.2, 1);
    --ease-in: cubic-bezier(0.4, 0, 1, 1);
    --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
    --spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* CSS Reset with modern defaults */
*, *::before, *::after {
    box-sizing: border-box;
}

* {
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

html.no-js {
    visibility: hidden;
}

body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

body.loaded {
    animation: fadeIn 0.3s var(--ease-out);
}

img, picture, video, canvas, svg {
    display: block;
    max-width: 100%;
    height: auto;
}

input, button, textarea, select {
    font: inherit;
}

p, h1, h2, h3, h4, h5, h6 {
    overflow-wrap: break-word;
}

/* Typography System */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--primary);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

p {
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 1rem;
}

/* Utility Classes */
.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 var(--gutter);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: all var(--transition);
}

.nav.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-sm);
}

.nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem var(--gutter);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    transition: transform var(--transition);
}

.logo:hover {
    transform: translateX(2px);
}

.logo-icon {
    transition: transform var(--transition-slow);
}

.logo:hover .logo-icon {
    transform: rotate(90deg) scale(1.05);
}

.logo-text {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--primary);
    letter-spacing: -0.025em;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: color var(--transition);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width var(--transition);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--text);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

.nav-cta {
    background: var(--primary);
    color: var(--bg) !important;
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius);
    margin-left: 1rem;
    transition: all var(--transition);
}

.nav-cta::after {
    display: none;
}

.nav-cta:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--primary);
    transition: all var(--transition);
    transform-origin: center;
}

.nav-toggle.active span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 0 4rem;
    position: relative;
    overflow: hidden;
}

.hero-image {
    position: absolute;
    inset: 0;
    z-index: -1;
    opacity: 0.15;
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(37, 99, 235, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(37, 99, 235, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(37, 99, 235, 0.02) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(1deg); }
    66% { transform: translateY(20px) rotate(-1deg); }
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--accent);
    color: white;
    border-radius: 999px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 2rem;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
}

.hero-title span {
    display: block;
}

.hero-title span:last-child {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.25rem;
    line-height: 1.6;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto 2.5rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 3rem;
    padding-top: 3rem;
    border-top: 1px solid var(--border);
}

.stat {
    text-align: center;
}

.stat strong {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat span {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius);
    transition: all var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

.btn span {
    position: relative;
    z-index: 1;
}

.btn svg {
    position: relative;
    z-index: 1;
    transition: transform var(--transition);
}

.btn:hover svg {
    transform: translateX(4px);
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--primary-light);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition);
}

.btn-primary:hover::before {
    transform: scaleX(1);
    transform-origin: left;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--border);
    backdrop-filter: blur(8px);
}

.btn-secondary::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    border-radius: var(--radius);
    opacity: 0;
    transition: opacity var(--transition);
    z-index: -1;
}

.btn-secondary:hover {
    color: var(--primary);
    border-color: transparent;
    transform: translateY(-2px);
}

.btn-secondary:hover::before {
    opacity: 0.1;
}

/* Sections */
.services {
    padding: 6rem 0;
    background: var(--bg-light);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

.section-title {
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--bg);
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    position: relative;
    transition: all var(--transition);
    cursor: pointer;
}

.service-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    background: radial-gradient(
        600px circle at var(--mouse-x) var(--mouse-y),
        rgba(37, 99, 235, 0.06),
        transparent 40%
    );
    opacity: 0;
    transition: opacity var(--transition);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--accent);
}

.service-card:hover::before {
    opacity: 1;
}

.service-card.featured {
    border-color: var(--accent);
    background: linear-gradient(135deg, var(--bg) 0%, rgba(37, 99, 235, 0.02) 100%);
}

.service-badge {
    position: absolute;
    top: -0.5rem;
    right: 1.5rem;
    background: var(--accent);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.service-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 1.5rem;
    position: relative;
    transition: transform var(--transition);
}

.service-card:hover .service-icon {
    transform: translateY(-4px);
}

.icon-backdrop {
    position: absolute;
    inset: -10px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
    opacity: 0.1;
    border-radius: var(--radius);
    filter: blur(20px);
    transition: all var(--transition);
}

.service-card:hover .icon-backdrop {
    opacity: 0.15;
    transform: scale(1.1);
    filter: blur(25px);
}

.service-icon svg {
    width: 100%;
    height: 100%;
    stroke: var(--accent);
    position: relative;
    z-index: 1;
    transition: all var(--transition);
}

.service-card:hover .service-icon svg {
    stroke: var(--accent-dark);
    filter: drop-shadow(0 4px 8px rgba(37, 99, 235, 0.2));
}

.service-image-container {
    position: relative;
    margin: -2rem -2rem 1.5rem -2rem;
    height: 200px;
    overflow: hidden;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.service-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.service-card:hover .service-image {
    transform: scale(1.05);
}

.service-image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.4) 100%);
    opacity: 0;
    transition: opacity var(--transition);
}

.service-card:hover .service-image-overlay {
    opacity: 1;
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.service-card p {
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.service-features {
    list-style: none;
    space-y: 0.5rem;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.service-features li::before {
    content: '✓';
    color: var(--success);
    font-weight: 600;
}

/* Features Section */
.features {
    background: var(--primary);
    color: white;
    padding: 3rem 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    text-align: center;
}

.feature {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.feature strong {
    font-size: 1rem;
    opacity: 0.8;
    font-weight: 500;
}

.feature span {
    font-size: 2rem;
    font-weight: 700;
}

/* About Section */
.about {
    padding: 6rem 0;
    text-align: center;
}

.about p {
    max-width: 800px;
    margin: 0 auto 3rem;
    font-size: 1.125rem;
    line-height: 1.8;
}

.certifications {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cert-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    border: 2px solid var(--border);
    border-radius: 999px;
    transition: all var(--transition);
}

.cert-badge:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.cert-badge svg {
    width: 24px;
    height: 24px;
    stroke: var(--accent);
}

/* Contact Section */
.contact {
    padding: 6rem 0;
    background: var(--bg-light);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    max-width: 900px;
    margin: 0 auto;
}

.contact-info h3,
.contact-form h3 {
    margin-bottom: 1.5rem;
}

.contact-info p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

.contact-info a {
    color: var(--accent);
    text-decoration: none;
    transition: color var(--transition);
}

.contact-info a:hover {
    color: var(--accent-dark);
    text-decoration: underline;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    padding: 0.875rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
    background: var(--bg);
    transition: all var(--transition);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.contact-form input.error,
.contact-form select.error,
.contact-form textarea.error {
    border-color: var(--error);
}

.error-message {
    font-size: 0.875rem;
    color: var(--error);
    margin-top: 0.25rem;
}

.form-success {
    background: var(--success);
    color: white;
    padding: 1rem;
    border-radius: var(--radius);
    text-align: center;
    margin-top: 1rem;
    animation: slideInUp 0.3s var(--ease-out);
}

/* Contact Single Column */
.contact-single {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-info-main {
    padding: 3rem;
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.company-name {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: var(--text);
}

.company-address {
    margin-bottom: 2rem;
    line-height: 1.8;
    color: var(--text-muted);
}

.contact-cta-text {
    margin-bottom: 2rem;
    color: var(--text-muted);
}

.btn-email {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    padding: 1rem 2rem;
}

.btn-email:hover {
    transform: translateY(-2px);
}

/* Gallery Section */
.gallery {
    padding: 6rem 0;
    background: var(--bg);
}

.gallery-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.gallery-tab {
    padding: 0.75rem 1.5rem;
    background: transparent;
    border: 2px solid var(--border);
    border-radius: 999px;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition);
}

.gallery-tab:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.gallery-tab.active {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition);
}

.gallery-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.gallery-image-container {
    position: relative;
    height: 400px;
    overflow: hidden;
}

.gallery-image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, transparent 50%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 2rem;
    color: white;
    opacity: 0;
    transition: opacity var(--transition);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay h4 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: white;
}

.gallery-overlay p {
    color: rgba(255, 255, 255, 0.8);
}

.gallery-cta {
    text-align: center;
    margin-top: 3rem;
}

/* Testimonials Section */
.testimonials {
    padding: 6rem 0;
    background: var(--bg-light);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.testimonial-card {
    background: var(--bg);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: all var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.testimonial-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
}

.testimonial-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.testimonial-info h4 {
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
}

.testimonial-info p {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.testimonial-content {
    font-style: italic;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.testimonial-rating {
    color: var(--warning);
    font-size: 1.25rem;
}

/* Clients Section */
.clients {
    padding: 4rem 0;
    background: var(--bg);
    border-top: 1px solid var(--border);
}

.clients-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 4rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.client-logo {
    flex: 0 0 auto;
    opacity: 0.6;
    transition: opacity var(--transition);
    filter: grayscale(100%);
}

.client-logo:hover {
    opacity: 1;
    filter: grayscale(0%);
}

.client-logo img {
    height: 60px;
    width: auto;
    object-fit: contain;
}

/* Footer */
.footer {
    background: var(--primary);
    color: white;
    padding: 3rem 0;
    text-align: center;
}

.footer p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.5rem;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInUp {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}

/* Image Loading States */
.service-image,
.gallery-image-container img,
.testimonial-avatar img,
.client-logo img {
    position: relative;
    background: var(--bg-light);
}

.service-image::before,
.gallery-image-container img::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.4) 50%,
        transparent 100%
    );
    animation: shimmer 2s infinite;
    opacity: 0;
    transition: opacity 0.3s;
}

.service-image.loading::before,
.gallery-image-container img.loading::before {
    opacity: 1;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Animation classes */
[data-fade-in] {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s var(--ease-out);
}

[data-fade-in].in-view {
    opacity: 1;
    transform: translateY(0);
}

[data-stagger] > * {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s var(--ease-out);
}

[data-stagger] > *.in-view {
    opacity: 1;
    transform: translateY(0);
}

/* Language Switcher */
.language-switcher {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: 2rem;
}

.lang-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    transition: all var(--transition);
}

.lang-btn:hover {
    color: var(--accent);
}

.lang-btn.active {
    color: var(--accent);
    background: rgba(37, 99, 235, 0.1);
    border-radius: 4px;
}

.lang-separator {
    color: var(--border);
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --gutter: 1rem;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--bg);
        flex-direction: column;
        padding: 2rem;
        gap: 1rem;
        transition: left var(--transition);
        border-top: 1px solid var(--border);
        box-shadow: var(--shadow-xl);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .hero {
        padding: 6rem 0 3rem;
        min-height: auto;
    }

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

    .hero-stats {
        gap: 1.5rem;
    }

    .stat strong {
        font-size: 2rem;
    }

    .services-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }

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

/* Print styles */
@media print {
    .nav,
    .hero-pattern,
    .nav-toggle {
        display: none;
    }

    body {
        font-size: 12pt;
        line-height: 1.5;
        color: black;
        background: white;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --primary: #000;
        --accent: #0050ff;
        --text: #000;
        --bg: #fff;
        --border: #000;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Service icon styles */
.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
    border-radius: 20px;
    position: relative;
    transition: all 0.3s ease;
}

.service-icon svg {
    width: 60px;
    height: 60px;
    color: #1a1a1a;
    transition: all 0.3s ease;
}

.service-card:hover .service-icon {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    background: linear-gradient(135deg, #ffffff 0%, #f0f0f0 100%);
}

.service-card:hover .service-icon svg {
    color: #2563eb;
    transform: scale(1.05);
}