/* CSS Custom Properties */
:root {
    --primary: 214 100% 59%; /* #2563eb */
    --primary-dark: 214 88% 45%; /* #1d4ed8 */
    --secondary: 142 76% 36%; /* #059669 */
    --accent: 271 81% 56%; /* #7c3aed */
    --danger: 0 84% 60%; /* #ef4444 */
    --warning: 43 96% 56%; /* #fbbf24 */
    --success: 142 71% 45%; /* #10b981 */
    
    --background: 0 0% 100%; /* #ffffff */
    --surface: 210 40% 98%; /* #f8fafc */
    --surface-dark: 215 28% 17%; /* #1e293b */
    
    --text: 222 84% 5%; /* #0f172a */
    --text-muted: 215 16% 47%; /* #64748b */
    --text-light: 210 40% 98%; /* #f8fafc */
    
    --border: 214 32% 91%; /* #e2e8f0 */
    --border-dark: 215 25% 27%; /* #334155 */
    
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px 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);
    
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-mono: "SF Mono", Monaco, Inconsolata, "Roboto Mono", Consolas, "Courier New", monospace;
    
    --radius: 0.5rem;
    --radius-lg: 0.75rem;
    
    --transition: all 0.2s ease-in-out;
}

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

html {
    scroll-behavior: smooth;
}

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

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

a {
    color: inherit;
    text-decoration: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

/* Utility Classes */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    font-weight: 600;
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
    text-decoration: none;
}

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

.btn-primary:hover {
    background-color: hsl(var(--primary-dark));
    transform: translateY(-1px);
}

.btn-outline {
    border-color: hsl(var(--primary));
    color: hsl(var(--primary));
    background-color: transparent;
}

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

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

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

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    color: hsl(var(--text));
}

.section-subtitle {
    font-size: 1.125rem;
    text-align: center;
    color: hsl(var(--text-muted));
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Cookie Management */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: hsl(var(--surface-dark));
    color: white;
    padding: 1.5rem;
    z-index: 1000;
    transform: translateY(100%);
    transition: transform 0.3s ease-in-out;
}

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

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.cookie-content h3 {
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

.cookie-content p {
    margin-bottom: 1rem;
    color: hsl(var(--text-light) / 0.9);
}

.cookie-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-cookie {
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    font-weight: 600;
    transition: var(--transition);
    border: 2px solid transparent;
    background-color: hsl(var(--primary));
    color: white;
}

.btn-cookie:hover {
    background-color: hsl(var(--primary-dark));
}

.cookie-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.cookie-modal.show {
    opacity: 1;
    visibility: visible;
}

.cookie-modal-content {
    background-color: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
}

.cookie-category {
    margin-bottom: 1.5rem;
}

.cookie-category label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
}

.cookie-category input[type="checkbox"] {
    margin-top: 0.25rem;
}

.cookie-category span {
    font-size: 0.875rem;
    color: hsl(var(--text-muted));
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: hsl(var(--background) / 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid hsl(var(--border));
    z-index: 100;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: hsl(var(--text));
}

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

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: hsl(var(--text));
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: hsl(var(--primary));
    transition: width 0.2s ease-in-out;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: 0.5rem;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: hsl(var(--text));
    transition: var(--transition);
}

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

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: hsl(var(--text));
}

.hero-subtitle {
    font-size: 1.25rem;
    color: hsl(var(--text-muted));
    margin-bottom: 2rem;
    line-height: 1.6;
}

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

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

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: white;
    padding: 2rem;
    border-radius: var(--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: 1.5rem;
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: hsl(var(--text));
}

.service-card p {
    color: hsl(var(--text-muted));
    line-height: 1.6;
}

/* About Section */
.about {
    padding: 5rem 0;
}

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

.about-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: hsl(var(--text));
}

.about-text p {
    color: hsl(var(--text-muted));
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.stat {
    text-align: center;
}

.stat h3 {
    font-size: 2rem;
    font-weight: 700;
    color: hsl(var(--primary));
    margin-bottom: 0.5rem;
}

.stat p {
    color: hsl(var(--text-muted));
    font-weight: 500;
}

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

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

.product-card {
    background-color: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.product-image {
    background-color: hsl(var(--surface));
    padding: 2rem;
}

.product-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 1.5rem 1.5rem 1rem;
    color: hsl(var(--text));
}

.product-card p {
    color: hsl(var(--text-muted));
    margin: 0 1.5rem 1.5rem;
    line-height: 1.6;
}

.product-features {
    display: flex;
    gap: 0.5rem;
    margin: 0 1.5rem 1.5rem;
    flex-wrap: wrap;
}

.feature-tag {
    background-color: hsl(var(--primary) / 0.1);
    color: hsl(var(--primary));
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
}

/* Reviews Section */
.reviews {
    padding: 5rem 0;
}

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

.review-card {
    background-color: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.review-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.review-stars {
    margin-bottom: 1rem;
}

.review-card p {
    color: hsl(var(--text-muted));
    font-style: italic;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

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

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

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

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

.newsletter h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.newsletter p {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.newsletter-form {
    display: flex;
    gap: 1rem;
    max-width: 400px;
    margin: 0 auto;
}

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

.newsletter-form input:focus {
    outline: 2px solid white;
    outline-offset: 2px;
}

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

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

.contact-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.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 h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: hsl(var(--text));
}

.contact-item p {
    color: hsl(var(--text-muted));
    line-height: 1.6;
}

.contact-form {
    background-color: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

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

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

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

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

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

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

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.footer-section p {
    color: hsl(var(--text-light) / 0.8);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background-color: hsl(var(--text-light) / 0.1);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

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

.footer-section h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

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

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

.footer-section ul li a {
    color: hsl(var(--text-light) / 0.8);
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: hsl(var(--primary));
}

.footer-bottom {
    border-top: 1px solid hsl(var(--text-light) / 0.2);
    padding-top: 1rem;
    text-align: center;
    color: hsl(var(--text-light) / 0.6);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background-color: white;
        flex-direction: column;
        padding: 1rem;
        box-shadow: var(--shadow-lg);
        transform: translateY(-100vh);
        transition: var(--transition);
    }

    .nav-menu.active {
        transform: translateY(0);
    }

    .nav-toggle {
        display: flex;
    }

    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-title {
        font-size: 2.5rem;
    }

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

    .section-title {
        font-size: 2rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .stats {
        grid-template-columns: 1fr;
    }

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

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

@media (max-width: 480px) {
    .container {
        padding: 0 0.75rem;
    }

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

    .hero-title {
        font-size: 2rem;
    }

    .services,
    .about,
    .products,
    .reviews,
    .contact {
        padding: 3rem 0;
    }

    .newsletter {
        padding: 3rem 0;
    }

    .newsletter h2 {
        font-size: 2rem;
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.6s ease-in-out;
}

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

.slide-up {
    animation: slideUp 0.6s ease-in-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll Progress Bar */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, hsl(var(--primary)), hsl(var(--accent)));
    z-index: 1000;
    transition: width 0.1s ease-out;
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.spinner {
    border: 2px solid hsl(var(--border));
    border-top: 2px solid hsl(var(--primary));
    border-radius: 50%;
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
    display: inline-block;
    margin-right: 0.5rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Success/Error Messages */
.message {
    padding: 1rem;
    border-radius: var(--radius);
    margin: 1rem 0;
    font-weight: 500;
}

.message-success {
    background-color: hsl(var(--success) / 0.1);
    color: hsl(var(--success));
    border: 1px solid hsl(var(--success) / 0.3);
}

.message-error {
    background-color: hsl(var(--danger) / 0.1);
    color: hsl(var(--danger));
    border: 1px solid hsl(var(--danger) / 0.3);
}