/* CSS Custom Properties */
:root {
    --primary: 220 90% 56%; /* #2563EB */
    --primary-dark: 220 90% 46%; /* #1D4ED8 */
    --secondary: 270 95% 65%; /* #A855F7 */
    --background: 210 11% 98%; /* #F5F7FA */
    --surface: 0 0% 100%; /* #FFFFFF */
    --text: 220 15% 15%; /* #1F2937 */
    --text-light: 220 10% 45%; /* #6B7280 */
    --border: 220 13% 91%; /* #E5E7EB */
    --accent: 45 93% 58%; /* #F59E0B */
    --success: 142 71% 45%; /* #10B981 */
    --error: 0 84% 60%; /* #EF4444 */
    
    --font-sans: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-mono: 'Courier New', Courier, monospace;
    
    --shadow-sm: 0 1px 2px 0 hsl(220 13% 69% / 0.05);
    --shadow: 0 1px 3px 0 hsl(220 13% 69% / 0.1), 0 1px 2px 0 hsl(220 13% 69% / 0.06);
    --shadow-md: 0 4px 6px -1px hsl(220 13% 69% / 0.1), 0 2px 4px -1px hsl(220 13% 69% / 0.06);
    --shadow-lg: 0 10px 15px -3px hsl(220 13% 69% / 0.1), 0 4px 6px -2px hsl(220 13% 69% / 0.05);
    
    --radius: 8px;
    --radius-sm: 4px;
    --radius-lg: 12px;
    
    --container-max: 1200px;
    --gap: 1.5rem;
}

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: 700;
    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-light));
}

a {
    color: hsl(var(--primary));
    text-decoration: none;
    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: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    min-height: 44px;
}

.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-light));
    color: white;
}

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

/* Navigation */
.navbar {
    background-color: hsl(var(--surface));
    box-shadow: var(--shadow);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.brand-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: hsl(var(--text));
}

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

.nav-menu a {
    color: hsl(var(--text));
    font-weight: 500;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
}

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

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

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: hsl(var(--text));
    transition: all 0.3s ease;
}

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

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

.hero-text h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: hsl(var(--text));
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: hsl(var(--text-light));
}

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

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

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: hsl(var(--text));
}

.section-header p {
    font-size: 1.25rem;
    color: hsl(var(--text-light));
}

/* Services Section */
.services {
    padding: 5rem 0;
}

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

.service-card {
    background-color: hsl(var(--surface));
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    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: 1rem;
}

.service-icon img {
    width: 60px;
    height: 60px;
}

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

.service-card p {
    margin-bottom: 1.5rem;
}

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

.service-card li {
    padding: 0.25rem 0;
    color: hsl(var(--text-light));
    position: relative;
    padding-left: 1.5rem;
}

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

/* About Section */
.about {
    padding: 5rem 0;
    background-color: hsl(var(--surface));
}

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

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

.stats {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: hsl(var(--primary));
}

.stat-label {
    font-size: 0.875rem;
    color: hsl(var(--text-light));
}

.about-features h3 {
    margin-bottom: 1.5rem;
}

.about-features ul {
    list-style: none;
}

.about-features li {
    padding: 0.5rem 0;
    color: hsl(var(--text-light));
}

/* Testimonials Section */
.testimonials {
    padding: 5rem 0;
}

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

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

.testimonial-content {
    margin-bottom: 1.5rem;
}

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

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

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

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

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

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

.newsletter-content p {
    color: hsl(0 0% 100% / 0.9);
    margin-bottom: 2rem;
}

.newsletter-form {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

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

.newsletter-privacy {
    font-size: 0.875rem;
    color: hsl(0 0% 100% / 0.8);
}

/* Blog Preview Section */
.blog-preview {
    padding: 5rem 0;
    background-color: hsl(var(--surface));
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.blog-card {
    background-color: hsl(var(--background));
    padding: 2rem;
    border-radius: var(--radius-lg);
    transition: transform 0.2s ease;
}

.blog-card:hover {
    transform: translateY(-2px);
}

.blog-card h3 {
    margin-bottom: 1rem;
}

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

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

.blog-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.875rem;
    color: hsl(var(--text-light));
}

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

/* Contact Section */
.contact {
    padding: 5rem 0;
}

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

.contact-info h3,
.contact-form h3 {
    margin-bottom: 2rem;
}

.contact-item {
    margin-bottom: 1.5rem;
}

.contact-item strong {
    display: block;
    color: hsl(var(--text));
    margin-bottom: 0.5rem;
}

.social-media {
    margin-top: 2rem;
}

.social-media h4 {
    margin-bottom: 1rem;
}

.social-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.social-links a {
    padding: 0.5rem 1rem;
    background-color: hsl(var(--primary));
    color: white;
    border-radius: var(--radius);
    transition: background-color 0.2s ease;
}

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

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

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: hsl(var(--primary));
}

/* Footer */
footer {
    background-color: hsl(var(--text));
    color: white;
    padding: 3rem 0 1rem;
}

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

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

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

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

.footer-section a {
    color: hsl(0 0% 100% / 0.8);
}

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

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid hsl(0 0% 100% / 0.2);
    color: hsl(0 0% 100% / 0.8);
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: hsl(var(--surface));
    box-shadow: var(--shadow-lg);
    padding: 1.5rem;
    z-index: 1001;
    border-top: 3px solid hsl(var(--primary));
}

.cookie-content h3 {
    margin-bottom: 0.5rem;
    color: hsl(var(--text));
}

.cookie-content p {
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

.cookie-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.cookie-buttons .btn {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* Cookie Modal */
.cookie-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: hsl(0 0% 0% / 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1002;
}

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

.cookie-modal-content h3 {
    margin-bottom: 1.5rem;
}

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

.cookie-category label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    cursor: pointer;
}

.cookie-category p {
    margin-top: 0.5rem;
    margin-bottom: 0;
    font-size: 0.875rem;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: hsl(var(--surface));
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding-top: 2rem;
        transition: left 0.3s ease;
        box-shadow: var(--shadow-lg);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .hero-text h1 {
        font-size: 2rem;
    }

    .services-grid,
    .testimonials-grid,
    .blog-grid {
        grid-template-columns: 1fr;
    }

    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .newsletter-form {
        flex-direction: column;
    }

    .stats {
        justify-content: center;
    }

    .cookie-buttons {
        justify-content: center;
    }

    .cookie-modal-buttons {
        flex-direction: column;
    }

    .hero-buttons {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 0.5rem;
    }

    .hero {
        padding: 6rem 0 3rem;
    }

    .hero-text h1 {
        font-size: 1.75rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .service-card,
    .testimonial-card,
    .blog-card {
        padding: 1.5rem;
    }

    .stats {
        flex-direction: column;
        gap: 1rem;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .cookie-banner,
    .cookie-modal,
    .newsletter,
    .hero-buttons,
    .blog-cta,
    .contact-form,
    .social-links {
        display: none;
    }

    body {
        background-color: white;
        color: black;
    }

    .hero {
        padding: 2rem 0;
    }

    .section-header,
    .about,
    .services,
    .testimonials,
    .contact {
        padding: 1rem 0;
    }

    a {
        color: black;
        text-decoration: underline;
    }
}

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

    html {
        scroll-behavior: auto;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --primary: 220 100% 40%;
        --text: 0 0% 0%;
        --background: 0 0% 100%;
        --border: 0 0% 50%;
    }
}

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

/* Skip to main content link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: hsl(var(--primary));
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: var(--radius);
    z-index: 1003;
}

.skip-link:focus {
    top: 6px;
}