/* CSS Custom Properties */
:root {
    --primary: 220 91% 56%; /* #2563eb */
    --primary-dark: 220 91% 46%; /* #1d4ed8 */
    --secondary: 142 71% 45%; /* #10b981 */
    --accent: 38 92% 50%; /* #f59e0b */
    --danger: 0 84% 60%; /* #ef4444 */
    --success: 142 71% 45%; /* #10b981 */
    --warning: 38 92% 50%; /* #f59e0b */
    --info: 199 89% 48%; /* #0ea5e9 */
    
    --background: 210 11% 98%; /* #f9fafb */
    --surface: 0 0% 100%; /* #ffffff */
    --surface-variant: 220 13% 96%; /* #f3f4f6 */
    
    --text-primary: 220 13% 18%; /* #1f2937 */
    --text-secondary: 220 9% 46%; /* #6b7280 */
    --text-muted: 220 9% 69%; /* #9ca3af */
    
    --border: 220 13% 91%; /* #e5e7eb */
    --border-light: 220 13% 96%; /* #f3f4f6 */
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 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);
    
    --radius: 0.5rem;
    --radius-sm: 0.25rem;
    --radius-lg: 0.75rem;
    
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'SF Mono', Monaco, Inconsolata, 'Roboto Mono', monospace;
}

/* Reset and Base */
* {
    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));
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 0.5rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: 1rem;
    color: hsl(var(--text-secondary));
}

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

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

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

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

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

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

.btn-outline {
    background-color: transparent;
    color: hsl(var(--primary));
    border: 2px solid hsl(var(--primary));
}

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

/* Header */
.navbar {
    background-color: hsl(var(--surface));
    box-shadow: var(--shadow-sm);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-logo a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: hsl(var(--text-primary));
}

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

.nav-menu a {
    color: hsl(var(--text-secondary));
    font-weight: 500;
    padding: 0.5rem 0;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: hsl(var(--text-primary));
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding: 8rem 0 4rem;
    background: linear-gradient(135deg, hsl(var(--primary) / 0.05) 0%, hsl(var(--secondary) / 0.05) 100%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: hsl(var(--text-primary));
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-visual {
    display: flex;
    justify-content: center;
}

/* Services Section */
.services {
    padding: 4rem 0;
}

.services h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: hsl(var(--surface));
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: center;
}

.service-card h3 {
    margin-bottom: 1rem;
    color: hsl(var(--text-primary));
}

/* About Section */
.about {
    padding: 4rem 0;
    background-color: hsl(var(--surface-variant));
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h2 {
    margin-bottom: 1.5rem;
}

.about-text p {
    margin-bottom: 1.5rem;
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.stat {
    text-align: center;
}

.stat h3 {
    font-size: 2.5rem;
    color: hsl(var(--primary));
    margin-bottom: 0.5rem;
}

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

/* Reviews Section */
.reviews {
    padding: 4rem 0;
}

.reviews h2 {
    text-align: center;
    margin-bottom: 3rem;
}

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

.review-card {
    background-color: hsl(var(--surface));
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.stars {
    color: hsl(var(--accent));
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.review-card p {
    margin-bottom: 1.5rem;
    font-style: italic;
}

.reviewer strong {
    color: hsl(var(--text-primary));
    display: block;
    margin-bottom: 0.25rem;
}

.reviewer span {
    color: hsl(var(--text-muted));
    font-size: 0.875rem;
}

/* Newsletter Section */
.newsletter {
    padding: 4rem 0;
    background-color: hsl(var(--primary));
    color: white;
}

.newsletter-content {
    text-align: center;
}

.newsletter h2 {
    color: white;
    margin-bottom: 1rem;
}

.newsletter p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
}

.newsletter-form {
    display: flex;
    justify-content: center;
    gap: 1rem;
    max-width: 500px;
    margin: 0 auto;
}

.newsletter-form input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
}

.newsletter-form input:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
}

/* Contact Section */
.contact {
    padding: 4rem 0;
}

.contact h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-item svg {
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.contact-item h3 {
    margin-bottom: 0.5rem;
    color: hsl(var(--text-primary));
}

.contact-item p {
    margin: 0;
}

.contact-form {
    background-color: hsl(var(--surface));
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid hsl(var(--border));
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.2s ease;
}

.form-group input: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: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: white;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1rem;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.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: 1rem;
    margin-top: 1rem;
}

.social-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: color 0.2s ease;
}

.social-links a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

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

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: hsl(var(--surface));
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    padding: 1rem;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.cookie-banner.show {
    transform: translateY(0);
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.cookie-content p {
    margin: 0;
    flex: 1;
}

.cookie-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1001;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: hsl(var(--surface));
    padding: 2rem;
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 500px;
    position: relative;
}

.close {
    position: absolute;
    right: 1rem;
    top: 1rem;
    font-size: 1.5rem;
    cursor: pointer;
    color: hsl(var(--text-muted));
}

.close:hover {
    color: hsl(var(--text-primary));
}

.cookie-category {
    margin: 1.5rem 0;
    padding-bottom: 1rem;
    border-bottom: 1px solid hsl(var(--border));
}

.cookie-category:last-of-type {
    border-bottom: none;
}

.cookie-category label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    cursor: pointer;
}

.cookie-category input[type="checkbox"] {
    width: 1.25rem;
    height: 1.25rem;
}

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

.modal-buttons {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 2rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: hsl(var(--surface));
        flex-direction: column;
        padding: 1rem;
        box-shadow: var(--shadow);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .hero-visual svg {
        width: 100%;
        height: auto;
        max-width: 400px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
    
    .cookie-buttons {
        justify-content: center;
    }
    
    .modal-buttons {
        flex-direction: column;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.25rem; }
}

@media (max-width: 480px) {
    .container {
        padding: 0 0.75rem;
    }
    
    .hero {
        padding: 6rem 0 3rem;
    }
    
    .hero-content h1 {
        font-size: 1.75rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .reviews-grid {
        grid-template-columns: 1fr;
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 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 keyboard navigation */
a:focus,
button:focus,
input:focus,
textarea:focus {
    outline: 2px solid hsl(var(--primary));
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --border: 0 0% 20%;
        --text-muted: 0 0% 30%;
    }
}