/* CSS Custom Properties */
:root {
    /* Colors using HSL format */
    --primary: 210 42% 33%; /* #2d5a87 */
    --primary-light: 210 42% 45%; /* #4a7ba7 */
    --primary-dark: 210 42% 25%; /* #1a365d */
    --secondary: 160 84% 39%; /* #10ac84 */
    --accent: 27 85% 55%; /* #ee5a24 */
    --background: 210 11% 98%; /* #f8f9fa */
    --surface: 0 0% 100%; /* #ffffff */
    --text-primary: 220 13% 18%; /* #2d3436 */
    --text-secondary: 220 9% 46%; /* #636e72 */
    --text-light: 220 9% 70%; /* #a0a6ab */
    --border: 220 13% 91%; /* #ddd */
    --border-light: 220 13% 95%; /* #f1f2f6 */
    --shadow: 220 13% 18% / 0.1; /* rgba(45, 52, 54, 0.1) */
    --shadow-medium: 220 13% 18% / 0.15; /* rgba(45, 52, 54, 0.15) */
    --shadow-strong: 220 13% 18% / 0.25; /* rgba(45, 52, 54, 0.25) */
    
    /* Typography */
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-secondary: Georgia, 'Times New Roman', serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Layout */
    --container-max-width: 1200px;
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --transition: all 0.3s ease;
}

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

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
    color: hsl(var(--text-primary));
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: var(--spacing-sm);
    color: hsl(var(--text-secondary));
}

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

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

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

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

.hidden {
    display: none !important;
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xs) var(--spacing-md);
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    min-height: 44px;
    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-light));
    border-color: hsl(var(--primary-light));
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px hsla(var(--shadow-medium));
}

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

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

/* Cookie Banner Styles */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: hsl(var(--surface));
    border-top: 1px solid hsl(var(--border));
    box-shadow: 0 -4px 20px hsla(var(--shadow-medium));
    z-index: 1000;
    padding: var(--spacing-md);
}

.cookie-content {
    max-width: var(--container-max-width);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.cookie-content h3 {
    color: hsl(var(--text-primary));
    margin-bottom: var(--spacing-xs);
}

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

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

@media (min-width: 768px) {
    .cookie-content {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
    
    .cookie-buttons {
        flex-shrink: 0;
    }
}

/* Cookie Modal Styles */
.cookie-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: hsla(var(--text-primary) / 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1001;
    padding: var(--spacing-md);
}

.cookie-modal-content {
    background-color: hsl(var(--surface));
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

.cookie-category {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: hsl(var(--background));
    border-radius: var(--border-radius);
}

.cookie-switch {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.cookie-switch input {
    position: relative;
    width: 50px;
    height: 24px;
    appearance: none;
    background-color: hsl(var(--border));
    border-radius: 12px;
    transition: var(--transition);
}

.cookie-switch input:checked {
    background-color: hsl(var(--primary));
}

.cookie-switch input::before {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    background-color: white;
    border-radius: 50%;
    transition: var(--transition);
}

.cookie-switch input:checked::before {
    transform: translateX(26px);
}

.cookie-switch input:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.cookie-modal-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
    margin-top: var(--spacing-lg);
}

/* Header Styles */
.header {
    background-color: hsl(var(--surface));
    box-shadow: 0 2px 10px hsla(var(--shadow));
    position: sticky;
    top: 0;
    z-index: 100;
}

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

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

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

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

.nav-menu {
    display: none;
    gap: var(--spacing-lg);
}

.nav-link {
    color: hsl(var(--text-secondary));
    font-weight: 500;
    padding: var(--spacing-xs) 0;
    position: relative;
}

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

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

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

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

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

@media (min-width: 768px) {
    .nav-menu {
        display: flex;
    }
    
    .nav-toggle {
        display: none;
    }
}

/* Mobile menu active state */
.nav-menu.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: hsl(var(--surface));
    box-shadow: 0 4px 20px hsla(var(--shadow));
    padding: var(--spacing-md);
    gap: var(--spacing-sm);
}

/* Hero Section */
.hero {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, hsl(var(--background)), hsl(var(--border-light)));
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.hero-content {
    display: grid;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero-text h1 {
    margin-bottom: var(--spacing-md);
    color: hsl(var(--text-primary));
}

.hero-text p {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
}

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

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

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

@media (min-width: 992px) {
    .hero-content {
        grid-template-columns: 1fr 1fr;
    }
}

/* Section Styles */
section {
    padding: var(--spacing-2xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

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

.section-header p {
    font-size: 1.125rem;
    color: hsl(var(--text-secondary));
    max-width: 600px;
    margin: 0 auto;
}

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

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

.service-card {
    background-color: hsl(var(--background));
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    text-align: center;
    transition: var(--transition);
    border: 1px solid hsl(var(--border-light));
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px hsla(var(--shadow-medium));
}

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

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

/* About Section */
.about-content {
    display: grid;
    gap: var(--spacing-xl);
    align-items: center;
}

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

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: hsl(var(--primary));
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: hsl(var(--text-secondary));
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

@media (min-width: 992px) {
    .about-content {
        grid-template-columns: 1fr 1fr;
    }
}

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

.testimonials-grid {
    display: grid;
    gap: var(--spacing-lg);
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.testimonial-card {
    background-color: hsl(var(--background));
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    border: 1px solid hsl(var(--border-light));
}

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

.testimonial-content p {
    font-style: italic;
    font-size: 1.125rem;
    line-height: 1.7;
    color: hsl(var(--text-primary));
}

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

.author-info h4 {
    margin-bottom: 0.25rem;
    color: hsl(var(--text-primary));
}

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

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

.newsletter-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

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

.newsletter p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-lg);
    font-size: 1.125rem;
}

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

.newsletter-form .form-group {
    display: flex;
    gap: var(--spacing-sm);
    flex-direction: column;
}

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

.form-checkbox {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.9);
}

.form-checkbox input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.form-checkbox a {
    color: white;
    text-decoration: underline;
}

@media (min-width: 768px) {
    .newsletter-form .form-group {
        flex-direction: row;
    }
}

/* Contact Section */
.contact-content {
    display: grid;
    gap: var(--spacing-xl);
}

.contact-info {
    display: grid;
    gap: var(--spacing-lg);
}

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

.contact-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background-color: hsl(var(--primary) / 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-details h4 {
    color: hsl(var(--primary));
    margin-bottom: 0.25rem;
}

.contact-form {
    background-color: hsl(var(--surface));
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    border: 1px solid hsl(var(--border-light));
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-weight: 500;
    color: hsl(var(--text-primary));
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--spacing-md);
    border: 1px solid hsl(var(--border));
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.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 hsl(var(--primary) / 0.1);
}

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

.form-checkbox label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.form-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin: 0;
}

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

/* Footer */
.footer {
    background-color: hsl(var(--text-primary));
    color: white;
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.footer-logo .logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-md);
}

.footer-section h4 {
    color: white;
    margin-bottom: var(--spacing-md);
    font-size: 1.125rem;
}

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

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

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

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

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

.social-links a {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

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

/* Blog Styles */
.blog-grid {
    display: grid;
    gap: var(--spacing-xl);
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.blog-card {
    background-color: hsl(var(--surface));
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    border: 1px solid hsl(var(--border-light));
    transition: var(--transition);
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px hsla(var(--shadow-medium));
}

.blog-image {
    width: 100%;
    height: 200px;
    background-color: hsl(var(--border-light));
    display: flex;
    align-items: center;
    justify-content: center;
}

.blog-content {
    padding: var(--spacing-lg);
}

.blog-meta {
    color: hsl(var(--text-light));
    font-size: 0.875rem;
    margin-bottom: var(--spacing-sm);
}

.blog-card h3 {
    margin-bottom: var(--spacing-sm);
}

.blog-card h3 a {
    color: hsl(var(--text-primary));
}

.blog-card h3 a:hover {
    color: hsl(var(--primary));
}

.blog-excerpt {
    color: hsl(var(--text-secondary));
    margin-bottom: var(--spacing-md);
}

.read-more {
    color: hsl(var(--primary));
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.read-more:hover {
    color: hsl(var(--primary-light));
}

/* Article Styles */
.article-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

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

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

.article-content h2,
.article-content h3 {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.article-content p {
    margin-bottom: var(--spacing-md);
}

.article-content ul,
.article-content ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-lg);
}

.article-content li {
    margin-bottom: var(--spacing-xs);
}

/* Responsive Design */
@media (max-width: 767px) {
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn {
        justify-content: center;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
}

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

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

/* Print styles */
@media print {
    .header,
    .footer,
    .cookie-banner,
    .cookie-modal,
    .hero-buttons,
    .newsletter {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    h1, h2, h3 {
        page-break-after: avoid;
    }
    
    .service-card,
    .testimonial-card {
        page-break-inside: avoid;
    }
}