/* CSS Custom Properties */
:root {
    --primary: 37 99% 59%; /* #2563eb */
    --secondary: 158 64% 52%; /* #10b981 */
    --accent: 45 93% 47%; /* #f59e0b */
    --danger: 0 84% 60%; /* #ef4444 */
    --purple: 248 53% 58%; /* #8b5cf6 */
    --cyan: 186 83% 44%; /* #06b6d4 */
    
    --background: 210 11% 98%; /* #f8fafc */
    --surface: 0 0% 100%; /* #ffffff */
    --surface-variant: 210 14% 89%; /* #e2e8f0 */
    --surface-dark: 215 14% 82%; /* #cbd5e1 */
    
    --text: 222 84% 5%; /* #0f172a */
    --text-secondary: 215 20% 38%; /* #64748b */
    --text-light: 215 16% 47%; /* #6b7280 */
    
    --border: 214 13% 91%; /* #e2e8f0 */
    --border-light: 210 14% 95%; /* #f1f5f9 */
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --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);
    
    --radius: 0.5rem;
    --radius-lg: 1rem;
    
    --font-base: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --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;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    --transition: all 0.2s ease-in-out;
    --transition-slow: all 0.3s ease-in-out;
}

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

html {
    scroll-behavior: smooth;
}

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

img {
    max-width: 100%;
    height: auto;
}

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

a:hover {
    color: hsl(var(--primary) / 0.8);
}

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

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

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius);
    font-size: var(--font-size-base);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    gap: var(--spacing-xs);
}

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

.btn-primary:hover {
    background-color: hsl(var(--primary) / 0.9);
    color: white;
}

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

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

.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 */
.header {
    background-color: hsl(var(--surface));
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.brand-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: hsl(var(--text));
}

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

.nav-menu a {
    color: hsl(var(--text-secondary));
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius);
    transition: var(--transition);
}

.nav-menu a:hover {
    color: hsl(var(--primary));
    background-color: hsl(var(--primary) / 0.1);
}

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

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

/* Hero Section */
.hero {
    padding: var(--spacing-3xl) 0;
    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: var(--spacing-3xl);
    align-items: center;
}

.hero-content h1 {
    font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-4xl));
    margin-bottom: var(--spacing-lg);
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-2xl);
    color: hsl(var(--text-secondary));
}

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

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

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

/* Section Common Styles */
section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--spacing-3xl);
}

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

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

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

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
}

.about-card {
    text-align: center;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    background-color: hsl(var(--background));
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

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

.about-card h3 {
    margin-bottom: var(--spacing-md);
    color: hsl(var(--text));
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-2xl);
}

.service-card {
    background-color: hsl(var(--surface));
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: var(--transition-slow);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

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

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

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

.service-features {
    list-style: none;
}

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

.service-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: hsl(var(--secondary));
    font-weight: bold;
}

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

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

.review-card {
    background-color: hsl(var(--background));
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    position: relative;
}

.review-stars {
    color: hsl(var(--accent));
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

.review-card blockquote {
    font-style: italic;
    margin-bottom: var(--spacing-lg);
    color: hsl(var(--text-secondary));
    line-height: 1.7;
}

.review-author strong {
    color: hsl(var(--text));
    display: block;
    margin-bottom: var(--spacing-xs);
}

.review-author span {
    color: hsl(var(--text-light));
    font-size: var(--font-size-sm);
}

/* Newsletter Section */
.newsletter {
    background: linear-gradient(135deg, hsl(var(--primary)) 0%, hsl(var(--primary) / 0.8) 100%);
    color: white;
}

.newsletter-content {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--spacing-2xl);
    align-items: center;
}

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

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

.newsletter-form {
    display: flex;
    gap: var(--spacing-md);
    min-width: 400px;
}

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

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

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
}

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

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

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

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

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

/* Form Styles */
.contact-form {
    background-color: hsl(var(--surface));
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

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

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: hsl(var(--text));
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid hsl(var(--border));
    border-radius: var(--radius);
    font-size: var(--font-size-base);
    transition: var(--transition);
}

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

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

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

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

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

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

.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 {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

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

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

.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));
    border-top: 1px solid hsl(var(--border));
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    transform: translateY(100%);
    transition: var(--transition-slow);
}

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

.cookie-content {
    padding: var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
}

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

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

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

/* 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: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

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

.cookie-modal-content {
    background-color: hsl(var(--surface));
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    max-width: 500px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
}

.cookie-category {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-lg);
    gap: var(--spacing-md);
}

.cookie-category div {
    flex: 1;
}

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

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

/* Switch Component */
.switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 34px;
    flex-shrink: 0;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: hsl(var(--surface-dark));
    transition: var(--transition);
    border-radius: 34px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: var(--transition);
    border-radius: 50%;
}

input:checked + .slider {
    background-color: hsl(var(--primary));
}

input:checked + .slider:before {
    transform: translateX(26px);
}

input:disabled + .slider {
    opacity: 0.5;
    cursor: not-allowed;
}

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

/* Blog Specific Styles */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
}

.blog-card {
    background-color: hsl(var(--surface));
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition-slow);
}

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

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

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

.blog-card p {
    color: hsl(var(--text-secondary));
    margin-bottom: var(--spacing-lg);
}

.blog-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: hsl(var(--text-light));
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
}

.read-more {
    color: hsl(var(--primary));
    font-weight: 500;
}

/* Article Styles */
.article-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

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

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

.article-content h2,
.article-content h3 {
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-lg);
}

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

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

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

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background-color: hsl(var(--surface));
        flex-direction: column;
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-md);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-slow);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .newsletter-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .newsletter-form {
        min-width: auto;
        flex-direction: column;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .cookie-buttons {
        justify-content: center;
    }
    
    .cookie-modal-buttons {
        justify-content: center;
    }
    
    .about-grid,
    .services-grid,
    .reviews-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    section {
        padding: var(--spacing-2xl) 0;
    }
    
    .hero {
        padding: var(--spacing-2xl) 0;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .newsletter-form input,
    .newsletter-form button {
        width: 100%;
    }
}

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

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

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --border: 0 0% 0%;
        --surface-variant: 0 0% 90%;
    }
}

/* Print Styles */
@media print {
    .header,
    .cookie-banner,
    .cookie-modal,
    .newsletter {
        display: none;
    }
    
    .hero {
        background: none;
    }
    
    * {
        box-shadow: none !important;
    }
}