/* CSS Custom Properties */
:root {
    /* Colors using HSL format */
    --primary: 214 100% 37%; /* #1e40af */
    --primary-dark: 214 100% 32%; /* #1d4ed8 */
    --secondary: 142 76% 36%; /* #10b981 */
    --accent: 45 93% 47%; /* #f59e0b */
    --text-primary: 222 84% 5%; /* #0f172a */
    --text-secondary: 215 25% 27%; /* #475569 */
    --text-muted: 215 16% 47%; /* #64748b */
    --background: 210 40% 98%; /* #f8fafc */
    --surface: 0 0% 100%; /* #ffffff */
    --border: 214 32% 91%; /* #e2e8f0 */
    --border-light: 220 13% 91%; /* #e5e7eb */
    --error: 0 84% 60%; /* #ef4444 */
    --success: 142 76% 36%; /* #10b981 */
    --warning: 45 93% 47%; /* #f59e0b */
    
    /* Typography */
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-mono: "SFMono-Regular", Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Borders */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Container */
    --container-max-width: 1200px;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    line-height: 1.6;
    color: hsl(var(--text-primary));
    background-color: hsl(var(--background));
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-md);
    color: hsl(var(--text-primary));
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: var(--space-md);
    color: hsl(var(--text-secondary));
}

a {
    color: hsl(var(--primary));
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: hsl(var(--primary-dark));
}

/* Container */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-lg);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    min-height: 44px;
}

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

.btn-primary:hover {
    background-color: hsl(var(--primary-dark));
    border-color: hsl(var(--primary-dark));
    color: white;
}

.btn-secondary {
    background-color: hsl(var(--secondary));
    color: white;
    border-color: hsl(var(--secondary));
}

.btn-secondary:hover {
    background-color: hsl(142 76% 32%);
    border-color: hsl(142 76% 32%);
    color: white;
}

.btn-outline {
    background-color: transparent;
    color: hsl(var(--primary));
    border-color: hsl(var(--primary));
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: hsl(var(--surface));
    border-bottom: 1px solid hsl(var(--border));
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-md);
    min-height: 70px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.25rem;
    font-weight: 700;
    color: hsl(var(--text-primary));
}

.nav-brand a {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: inherit;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-xl);
    align-items: center;
}

.nav-menu a {
    font-weight: 500;
    padding: var(--space-sm) 0;
    position: relative;
}

.nav-menu a:hover {
    color: hsl(var(--primary));
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: hsl(var(--primary));
    transition: width 0.2s ease;
}

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

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

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: hsl(var(--text-primary));
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    padding: calc(70px + var(--space-3xl)) 0 var(--space-3xl);
    background: linear-gradient(135deg, hsl(var(--background)) 0%, hsl(214 32% 95%) 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.hero-text h1 {
    font-size: 3rem;
    margin-bottom: var(--space-lg);
    color: hsl(var(--text-primary));
}

.hero-text p {
    font-size: 1.125rem;
    margin-bottom: var(--space-xl);
    color: hsl(var(--text-secondary));
}

.hero-buttons {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.hero-image svg {
    width: 100%;
    height: auto;
    max-width: 500px;
}

/* Sections */
section {
    padding: var(--space-3xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
}

.section-header p {
    font-size: 1.125rem;
    color: hsl(var(--text-secondary));
}

/* Services Section */
.services {
    background-color: hsl(var(--surface));
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.service-card {
    background-color: hsl(var(--surface));
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    border: 1px solid hsl(var(--border));
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: hsl(var(--border-light));
}

.service-icon {
    margin-bottom: var(--space-lg);
    display: flex;
    justify-content: center;
}

.service-card h3 {
    margin-bottom: var(--space-md);
    color: hsl(var(--text-primary));
}

.service-card p {
    color: hsl(var(--text-secondary));
    line-height: 1.6;
}

/* About Section */
.about {
    background-color: hsl(var(--background));
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.about-text h2 {
    margin-bottom: var(--space-lg);
}

.about-text p {
    margin-bottom: var(--space-lg);
    font-size: 1.125rem;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.stat {
    text-align: center;
}

.stat h3 {
    font-size: 2rem;
    color: hsl(var(--primary));
    margin-bottom: var(--space-xs);
}

.stat p {
    color: hsl(var(--text-muted));
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.about-image svg {
    width: 100%;
    height: auto;
    max-width: 400px;
}

/* Testimonials Section */
.testimonials {
    background-color: hsl(var(--surface));
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-xl);
}

.testimonial-card {
    background-color: hsl(var(--surface));
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    border: 1px solid hsl(var(--border));
    box-shadow: var(--shadow-sm);
}

.testimonial-content {
    margin-bottom: var(--space-lg);
}

.testimonial-content p {
    font-style: italic;
    font-size: 1.125rem;
    color: hsl(var(--text-secondary));
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.author-avatar svg {
    width: 48px;
    height: 48px;
}

.author-info h4 {
    font-weight: 600;
    margin-bottom: var(--space-xs);
    color: hsl(var(--text-primary));
}

.author-info p {
    color: hsl(var(--text-muted));
    font-size: 0.875rem;
    margin-bottom: 0;
}

/* Newsletter Section */
.newsletter {
    background: linear-gradient(135deg, hsl(var(--primary)) 0%, hsl(var(--primary-dark)) 100%);
    color: white;
}

.newsletter-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    text-align: center;
}

.newsletter-text h2 {
    color: white;
    margin-bottom: var(--space-md);
}

.newsletter-text p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
}

.newsletter-form {
    display: flex;
    gap: var(--space-md);
    max-width: 400px;
    margin: 0 auto;
}

.newsletter-form input {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    font-size: 1rem;
    background-color: white;
    color: hsl(var(--text-primary));
}

.newsletter-form input:focus {
    outline: none;
    border-color: hsl(var(--accent));
}

.newsletter-form button {
    background-color: hsl(var(--accent));
    border-color: hsl(var(--accent));
    color: white;
    white-space: nowrap;
}

.newsletter-form button:hover {
    background-color: hsl(45 93% 42%);
    border-color: hsl(45 93% 42%);
}

/* Contact Section */
.contact {
    background-color: hsl(var(--background));
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.contact-item {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
}

.contact-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background-color: hsl(var(--primary) / 0.1);
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.contact-details h4 {
    margin-bottom: var(--space-xs);
    color: hsl(var(--text-primary));
}

.contact-details p {
    color: hsl(var(--text-secondary));
    margin-bottom: 0;
}

/* Forms */
.contact-form {
    background-color: hsl(var(--surface));
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    border: 1px solid hsl(var(--border));
    box-shadow: var(--shadow-sm);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    border: 2px solid hsl(var(--border));
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.2s ease;
    background-color: hsl(var(--surface));
    color: hsl(var(--text-primary));
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: hsl(var(--primary));
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background-color: hsl(var(--text-primary));
    color: white;
    padding: var(--space-3xl) 0 var(--space-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

.footer-section h3,
.footer-section h4 {
    color: white;
    margin-bottom: var(--space-lg);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--space-sm);
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    transition: color 0.2s ease;
}

.footer-section ul li a:hover {
    color: white;
}

.social-links {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: rgba(255, 255, 255, 0.8);
    transition: all 0.2s ease;
}

.social-links a:hover {
    background-color: hsl(var(--primary));
    color: white;
    transform: translateY(-2px);
}

.footer-bottom {
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 0;
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: hsl(var(--surface));
    border-top: 1px solid hsl(var(--border));
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    padding: var(--space-lg);
}

.cookie-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
    max-width: var(--container-max-width);
    margin: 0 auto;
}

.cookie-content p {
    margin-bottom: 0;
    color: hsl(var(--text-secondary));
}

.cookie-buttons {
    display: flex;
    gap: var(--space-sm);
    flex-shrink: 0;
}

.cookie-buttons .btn {
    padding: var(--space-xs) var(--space-md);
    font-size: 0.875rem;
}

/* Cookie Modal */
.cookie-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1001;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
}

.cookie-modal-content {
    background-color: hsl(var(--surface));
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 100%;
    box-shadow: var(--shadow-xl);
}

.cookie-modal-content h3 {
    margin-bottom: var(--space-lg);
    color: hsl(var(--text-primary));
}

.cookie-category {
    margin-bottom: var(--space-lg);
}

.cookie-category label {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    cursor: pointer;
}

.cookie-category input[type="checkbox"] {
    margin-top: 2px;
}

.cookie-category span {
    color: hsl(var(--text-secondary));
    font-size: 0.875rem;
}

.cookie-modal-buttons {
    display: flex;
    gap: var(--space-md);
    justify-content: flex-end;
    margin-top: var(--space-xl);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: hsl(var(--surface));
        border-top: 1px solid hsl(var(--border));
        flex-direction: column;
        padding: var(--space-lg);
        gap: var(--space-md);
        box-shadow: var(--shadow-md);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text h1 {
        font-size: 2rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .newsletter-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .newsletter-form {
        flex-direction: column;
        max-width: 100%;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
    
    .cookie-buttons {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .cookie-modal-buttons {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-sm);
    }
    
    .hero {
        padding: calc(70px + var(--space-xl)) 0 var(--space-xl);
    }
    
    .hero-text h1 {
        font-size: 1.75rem;
    }
    
    .section-header h2 {
        font-size: 1.75rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 250px;
    }
}

/* Print Styles */
@media print {
    .header,
    .cookie-banner,
    .cookie-modal {
        display: none;
    }
    
    .hero {
        padding-top: var(--space-xl);
    }
    
    body {
        background-color: white;
    }
    
    .services,
    .testimonials,
    .newsletter,
    .contact,
    .about {
        background-color: white;
    }
}

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

/* Focus styles for better accessibility */
.btn:focus,
input:focus,
select:focus,
textarea:focus,
a:focus {
    outline: 2px solid hsl(var(--primary));
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --border: 0 0% 0%;
        --text-secondary: 0 0% 0%;
    }
}