/* CSS Custom Properties */
:root {
    /* Colors */
    --primary: 215 100% 56%; /* #2563eb */
    --primary-dark: 215 100% 46%; /* #1e40af */
    --secondary: 142 71% 45%; /* #10b981 */
    --background: 210 11% 98%; /* #f8fafc */
    --surface: 210 11% 96%; /* #f1f5f9 */
    --surface-hover: 210 11% 93%; /* #e2e8f0 */
    --text-primary: 215 25% 27%; /* #334155 */
    --text-secondary: 215 16% 47%; /* #64748b */
    --text-muted: 215 13% 65%; /* #94a3b8 */
    --border: 215 13% 87%; /* #e2e8f0 */
    --shadow: 215 25% 27% / 0.1; /* #334155 with 10% opacity */
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Malgun Gothic', 'Apple SD Gothic Neo', 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;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    
    /* Layout */
    --container-max-width: 1200px;
    --border-radius: 0.5rem;
    --border-radius-lg: 1rem;
    --transition: all 0.2s ease-in-out;
    --shadow-sm: 0 1px 2px 0 rgb(var(--shadow));
    --shadow: 0 1px 3px 0 rgb(var(--shadow)), 0 1px 2px -1px rgb(var(--shadow));
    --shadow-lg: 0 10px 15px -3px rgb(var(--shadow)), 0 4px 6px -4px rgb(var(--shadow));
}

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

html {
    scroll-behavior: smooth;
}

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

/* Container */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--space-4);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: hsl(var(--text-primary));
    line-height: 1.3;
    margin-bottom: var(--space-4);
}

h1 {
    font-size: var(--font-size-4xl);
    font-weight: 800;
}

h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
}

h3 {
    font-size: var(--font-size-2xl);
    font-weight: 600;
}

h4 {
    font-size: var(--font-size-xl);
    font-weight: 600;
}

p {
    margin-bottom: var(--space-4);
    color: hsl(var(--text-secondary));
}

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

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-6);
    border: none;
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    gap: var(--space-2);
}

.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(--secondary));
    color: white;
}

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

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: hsl(var(--surface));
    border-top: 1px solid hsl(var(--border));
    padding: var(--space-4);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    transform: translateY(100%);
    transition: transform 0.3s ease-in-out;
}

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

.cookie-content {
    max-width: var(--container-max-width);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.cookie-content h3 {
    margin-bottom: var(--space-2);
}

.cookie-buttons {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
}

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

.modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: white;
    padding: var(--space-8);
    border-radius: var(--border-radius-lg);
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
}

.close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    font-size: 24px;
    cursor: pointer;
    color: hsl(var(--text-muted));
}

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

.cookie-category {
    margin-bottom: var(--space-6);
}

.cookie-category label {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 500;
    margin-bottom: var(--space-2);
    cursor: pointer;
}

.cookie-category input[type="checkbox"] {
    width: 18px;
    height: 18px;
}

/* Header */
.header {
    background-color: white;
    box-shadow: var(--shadow-sm);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
}

.navbar {
    padding: var(--space-4) 0;
}

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

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

.nav-brand a {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: inherit;
}

.logo {
    width: 40px;
    height: 40px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-8);
    align-items: center;
}

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

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: var(--space-1);
}

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

/* Hero Section */
.hero {
    padding: calc(80px + var(--space-20)) 0 var(--space-20);
    background: linear-gradient(135deg, hsl(var(--background)) 0%, hsl(var(--surface)) 100%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.hero-content h1 {
    margin-bottom: var(--space-6);
    background: linear-gradient(135deg, hsl(var(--primary)), hsl(var(--primary-dark)));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-content p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-8);
}

.hero-buttons {
    display: flex;
    gap: var(--space-4);
}

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

/* Section Styles */
section {
    padding: var(--space-20) 0;
}

section h2 {
    text-align: center;
    margin-bottom: var(--space-16);
}

/* About Section */
.about {
    background-color: white;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.features {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    margin-top: var(--space-6);
}

.feature {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.feature svg {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
}

.service-card {
    background-color: white;
    padding: var(--space-8);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

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

.service-icon {
    display: flex;
    justify-content: center;
    margin-bottom: var(--space-6);
}

.service-card h3 {
    margin-bottom: var(--space-4);
}

/* Blog Preview Section */
.blog-preview {
    background-color: white;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
    margin-bottom: var(--space-12);
}

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

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

.blog-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.blog-image svg {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.blog-content {
    padding: var(--space-6);
}

.blog-content h3 {
    margin-bottom: var(--space-3);
}

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

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

.blog-meta {
    color: hsl(var(--text-muted));
    font-size: var(--font-size-sm);
}

.blog-cta {
    text-align: center;
}

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

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
}

.review-card {
    background-color: white;
    padding: var(--space-6);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-4);
}

.reviewer-info {
    display: flex;
    gap: var(--space-3);
    align-items: center;
}

.reviewer-avatar {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
}

.reviewer-info h4 {
    margin-bottom: var(--space-1);
    font-size: var(--font-size-base);
}

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

.rating {
    color: #fbbf24;
    font-size: var(--font-size-lg);
}

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

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

.newsletter h2 {
    color: white;
    margin-bottom: var(--space-4);
}

.newsletter p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-8);
}

.newsletter-form {
    display: flex;
    gap: var(--space-3);
    max-width: 400px;
    margin: 0 auto;
}

.newsletter-form input {
    flex: 1;
    padding: var(--space-3) var(--space-4);
    border: none;
    border-radius: var(--border-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 {
    background-color: white;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
}

.contact-info h3 {
    color: hsl(var(--primary));
    margin-bottom: var(--space-8);
}

.contact-item {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.contact-item svg {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    margin-top: var(--space-1);
}

.contact-item h4 {
    margin-bottom: var(--space-2);
    color: hsl(var(--text-primary));
}

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

.contact-map {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Footer */
.footer {
    background-color: hsl(var(--text-primary));
    color: white;
    padding: var(--space-16) 0 var(--space-8);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-8);
    margin-bottom: var(--space-8);
}

.footer-section h3,
.footer-section h4 {
    color: white;
    margin-bottom: var(--space-4);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-2);
}

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

.footer-section ul li {
    margin-bottom: var(--space-2);
}

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

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

.social-links {
    display: flex;
    gap: var(--space-4);
    margin-top: var(--space-4);
}

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

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: var(--space-8);
    text-align: center;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-3);
    }
    
    .nav-menu {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .reviews-grid {
        grid-template-columns: 1fr;
    }
    
    .newsletter-form {
        flex-direction: column;
        align-items: stretch;
    }
    
    .cookie-content {
        text-align: center;
    }
    
    .cookie-buttons {
        justify-content: center;
    }
    
    h1 {
        font-size: var(--font-size-3xl);
    }
    
    h2 {
        font-size: var(--font-size-2xl);
    }
}

@media (max-width: 480px) {
    section {
        padding: var(--space-12) 0;
    }
    
    .hero {
        padding: calc(80px + var(--space-12)) 0 var(--space-12);
    }
    
    .service-card,
    .blog-card,
    .review-card {
        margin: 0 var(--space-2);
    }
    
    .modal-content {
        padding: var(--space-6);
        width: 95%;
    }
}

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

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

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

.mt-4 {
    margin-top: var(--space-4);
}

.mb-4 {
    margin-bottom: var(--space-4);
}

.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;
}