/* CSS Custom Properties */
:root {
    /* Colors */
    --primary: 219 44% 50%; /* #3B82F6 */
    --primary-dark: 219 44% 40%; /* #2563EB */
    --primary-light: 219 44% 60%; /* #60A5FA */
    --secondary: 39 100% 50%; /* #FFA500 */
    --accent: 160 84% 39%; /* #10B981 */
    --background: 210 11% 98%; /* #F5F7FA */
    --surface: 0 0% 100%; /* #FFFFFF */
    --text: 220 13% 18%; /* #2D3748 */
    --text-light: 220 9% 46%; /* #718096 */
    --text-muted: 218 11% 65%; /* #9CA3AF */
    --border: 220 13% 91%; /* #E2E8F0 */
    --border-light: 220 13% 95%; /* #F1F5F9 */
    --success: 142 76% 36%; /* #059669 */
    --warning: 45 93% 47%; /* #D97706 */
    --error: 0 84% 60%; /* #EF4444 */
    
    /* Typography */
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --line-height-tight: 1.25;
    --line-height-snug: 1.375;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.625;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    
    /* Borders */
    --border-radius-sm: 0.25rem;
    --border-radius-md: 0.375rem;
    --border-radius-lg: 0.5rem;
    --border-radius-xl: 0.75rem;
    --border-radius-2xl: 1rem;
    --border-radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: hsl(var(--text));
    background-color: hsl(var(--background));
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-xl);
    }
}

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

h1 {
    font-size: var(--font-size-4xl);
}

h2 {
    font-size: var(--font-size-3xl);
}

h3 {
    font-size: var(--font-size-2xl);
}

h4 {
    font-size: var(--font-size-xl);
}

h5 {
    font-size: var(--font-size-lg);
}

h6 {
    font-size: var(--font-size-base);
}

p {
    margin-bottom: var(--spacing-md);
    color: hsl(var(--text-light));
}

.lead {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    color: hsl(var(--text));
}

/* Links */
a {
    color: hsl(var(--primary));
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    text-align: center;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    line-height: 1;
    white-space: nowrap;
}

.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(--text-light));
    color: white;
    border-color: hsl(var(--text-light));
}

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

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-lg);
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-4xl);
}

.section-header h2 {
    margin-bottom: var(--spacing-md);
}

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

.navbar {
    padding: var(--spacing-md) 0;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: hsl(var(--text));
}

.logo img {
    width: 32px;
    height: 32px;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
    margin: 0;
    padding: 0;
}

.nav-link {
    color: hsl(var(--text-light));
    font-weight: var(--font-weight-medium);
    padding: var(--spacing-sm) 0;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: hsl(var(--primary));
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: hsl(var(--primary));
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.hamburger span {
    width: 24px;
    height: 2px;
    background-color: hsl(var(--text));
    transition: all var(--transition-fast);
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: hsl(var(--surface));
        box-shadow: var(--shadow-lg);
        padding: var(--spacing-lg);
    }

    .nav-menu.active {
        display: block;
    }

    .nav-list {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .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);
    }
}

/* Main Content */
main {
    margin-top: 80px;
}

/* Hero Section */
.hero {
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(135deg, hsl(var(--background)) 0%, hsl(var(--border-light)) 100%);
}

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

@media (min-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr 1fr;
    }
}

.hero h1 {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-lg);
    color: hsl(var(--text));
}

@media (min-width: 768px) {
    .hero h1 {
        font-size: var(--font-size-5xl);
    }
}

.hero p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

@media (min-width: 480px) {
    .hero-buttons {
        flex-direction: row;
    }
}

.hero-graphic img {
    width: 100%;
    height: auto;
    max-width: 500px;
}

/* Services Section */
.services {
    padding: var(--spacing-4xl) 0;
    background-color: hsl(var(--surface));
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

@media (min-width: 768px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.service-card {
    background-color: hsl(var(--background));
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    border: 1px solid hsl(var(--border));
}

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

.service-icon {
    margin-bottom: var(--spacing-lg);
}

.service-icon img {
    width: 64px;
    height: 64px;
}

.service-card h3 {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-xl);
}

.service-card p {
    margin-bottom: var(--spacing-lg);
}

.service-card ul {
    list-style: none;
    padding: 0;
}

.service-card li {
    padding: var(--spacing-xs) 0;
    color: hsl(var(--text-light));
    position: relative;
    padding-left: var(--spacing-lg);
}

.service-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: hsl(var(--accent));
    font-weight: var(--font-weight-bold);
}

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

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

@media (min-width: 768px) {
    .about-content {
        grid-template-columns: 2fr 1fr;
    }
}

.about-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.highlight {
    text-align: center;
    padding: var(--spacing-lg);
    background-color: hsl(var(--surface));
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
}

.highlight h4 {
    color: hsl(var(--primary));
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.highlight p {
    font-size: var(--font-size-sm);
    margin: 0;
}

.about-visual img {
    width: 100%;
    height: auto;
    max-width: 400px;
}

/* Statistics Section */
.statistics {
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(135deg, hsl(var(--primary)) 0%, hsl(var(--primary-dark)) 100%);
    color: white;
    text-align: center;
}

.statistics h2 {
    color: white;
    margin-bottom: var(--spacing-3xl);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-bold);
    color: white;
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.9);
}

/* Testimonials Section */
.testimonials {
    padding: var(--spacing-4xl) 0;
    background-color: hsl(var(--surface));
}

.testimonials-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

@media (min-width: 768px) {
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .testimonials-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.testimonial-card {
    background-color: hsl(var(--background));
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-sm);
    border-left: 4px solid hsl(var(--primary));
}

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

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

.author-info h4 {
    margin-bottom: var(--spacing-xs);
    color: hsl(var(--text));
}

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

/* Newsletter Section */
.newsletter {
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(135deg, hsl(var(--secondary)) 0%, hsl(var(--accent)) 100%);
    color: white;
}

.newsletter-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.newsletter h2 {
    color: white;
    margin-bottom: var(--spacing-lg);
}

.newsletter p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
}

.newsletter-form {
    background-color: hsl(var(--surface));
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group:last-child {
    margin-bottom: 0;
}

.newsletter-form .form-group {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

@media (max-width: 480px) {
    .newsletter-form .form-group {
        flex-direction: column;
    }
}

.newsletter-form input {
    flex: 1;
    padding: var(--spacing-md);
    border: 1px solid hsl(var(--border));
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-base);
}

.form-checkbox {
    text-align: left;
}

.form-checkbox label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: hsl(var(--text-light));
    cursor: pointer;
}

.form-checkbox input[type="checkbox"] {
    margin-top: 2px;
    flex-shrink: 0;
}

/* Contact Section */
.contact {
    padding: var(--spacing-4xl) 0;
    background-color: hsl(var(--background));
}

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

@media (min-width: 768px) {
    .contact-content {
        grid-template-columns: 1fr 2fr;
    }
}

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

.contact-item h3 {
    color: hsl(var(--primary));
    margin-bottom: var(--spacing-sm);
}

.contact-item p {
    margin: 0;
}

.contact-item a {
    color: hsl(var(--text-light));
}

.contact-item a:hover {
    color: hsl(var(--primary));
}

.social-links h3 {
    margin-bottom: var(--spacing-md);
}

.social-icons {
    display: flex;
    gap: var(--spacing-md);
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background-color: hsl(var(--primary));
    color: white;
    border-radius: var(--border-radius-full);
    transition: all var(--transition-fast);
}

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

/* Contact Form */
.contact-form {
    background-color: hsl(var(--surface));
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-md);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

@media (min-width: 768px) {
    .form-row {
        grid-template-columns: 1fr 1fr;
    }
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: var(--font-weight-medium);
    color: hsl(var(--text));
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid hsl(var(--border));
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-base);
    font-family: inherit;
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: hsl(var(--primary));
    box-shadow: 0 0 0 3px hsla(var(--primary), 0.1);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: hsl(var(--text-light));
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    margin-top: 2px;
    flex-shrink: 0;
    width: auto;
}

/* Footer */
.footer {
    background-color: hsl(var(--text));
    color: white;
    padding: var(--spacing-4xl) 0 var(--spacing-xl);
}

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

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer-content {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

.footer-section h3 {
    color: white;
    margin-bottom: var(--spacing-md);
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

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

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-fast);
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
}

.footer-logo img {
    width: 32px;
    height: 32px;
    filter: brightness(0) invert(1);
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: hsl(var(--text));
    color: white;
    padding: var(--spacing-lg);
    z-index: var(--z-modal);
    transform: translateY(100%);
    transition: transform var(--transition-normal);
}

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

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: center;
}

@media (min-width: 768px) {
    .cookie-content {
        flex-direction: row;
        justify-content: space-between;
    }
}

.cookie-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

/* Cookie Modal */
.cookie-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    padding: var(--spacing-lg);
}

.cookie-modal.show {
    display: flex;
}

.cookie-modal-content {
    background-color: hsl(var(--surface));
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-xl);
    max-width: 500px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
}

.cookie-modal-content h3 {
    margin-bottom: var(--spacing-lg);
}

.cookie-category {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    border: 1px solid hsl(var(--border));
    border-radius: var(--border-radius-md);
}

.cookie-category label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-sm);
    cursor: pointer;
}

.cookie-category p {
    font-size: var(--font-size-sm);
    color: hsl(var(--text-light));
    margin: 0;
}

.cookie-modal-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(100px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

.slide-in-up {
    animation: slideInUp 0.8s ease-out;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.hidden {
    display: none;
}

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

/* Responsive Design */
@media (max-width: 480px) {
    :root {
        --font-size-4xl: 1.875rem;
        --font-size-5xl: 2.25rem;
    }
    
    .hero {
        padding: var(--spacing-3xl) 0;
    }
    
    .services, .about, .testimonials, .contact {
        padding: var(--spacing-3xl) 0;
    }
    
    .statistics {
        padding: var(--spacing-3xl) 0;
    }
    
    .newsletter {
        padding: var(--spacing-3xl) 0;
    }
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .cookie-banner,
    .cookie-modal,
    .newsletter {
        display: none;
    }
    
    body {
        background-color: white;
        color: black;
    }
    
    .container {
        max-width: none;
        padding: 0;
    }
}