:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #3b82f6;
    --success-color: #059669;
    --warning-color: #d97706;
    --error-color: #dc2626;
    --neutral-50: #f8fafc;
    --neutral-100: #f1f5f9;
    --neutral-200: #e2e8f0;
    --neutral-300: #cbd5e1;
    --neutral-400: #94a3b8;
    --neutral-500: #64748b;
    --neutral-600: #475569;
    --neutral-700: #334155;
    --neutral-800: #1e293b;
    --neutral-900: #0f172a;
    --white: #ffffff;
    --spacing-unit: 8px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--neutral-800);
    background-color: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 calc(var(--spacing-unit) * 3);
}

/* Header Styles */
.header {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: background-color 0.3s ease;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 3);
    max-width: 1200px;
    margin: 0 auto;
}

.nav-brand h1 {
    color: var(--primary-color);
    font-size: 1.75rem;
    font-weight: 700;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: calc(var(--spacing-unit) * 4);
}

.nav-menu a {
    text-decoration: none;
    color: var(--neutral-700);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* Hero Section */
.hero {
    padding: calc(var(--spacing-unit) * 15) calc(var(--spacing-unit) * 3) calc(var(--spacing-unit) * 10);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: calc(var(--spacing-unit) * 8);
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    min-height: 90vh;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    color: var(--neutral-900);
    margin-bottom: calc(var(--spacing-unit) * 3);
}

.hero-description {
    font-size: 1.25rem;
    color: var(--neutral-600);
    margin-bottom: calc(var(--spacing-unit) * 4);
    line-height: 1.6;
}

.cta-button {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 4);
    border-radius: calc(var(--spacing-unit) * 1);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.125rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.3);
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: calc(var(--spacing-unit) * 2);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
}

/* Services Section */
.services {
    padding: calc(var(--spacing-unit) * 10) 0;
    background: var(--neutral-50);
}

.services h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--neutral-900);
    margin-bottom: calc(var(--spacing-unit) * 8);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: calc(var(--spacing-unit) * 4);
}

.service-card {
    background: var(--white);
    padding: calc(var(--spacing-unit) * 4);
    border-radius: calc(var(--spacing-unit) * 2);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: calc(var(--spacing-unit) * 3);
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--neutral-900);
    margin-bottom: calc(var(--spacing-unit) * 2);
}

.service-card p {
    color: var(--neutral-600);
    line-height: 1.6;
}

/* Results Section */
.results {
    padding: calc(var(--spacing-unit) * 10) 0;
}

.results-content {
    text-align: center;
}

.results h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--neutral-900);
    margin-bottom: calc(var(--spacing-unit) * 4);
}

.results p {
    font-size: 1.125rem;
    color: var(--neutral-600);
    max-width: 800px;
    margin: 0 auto calc(var(--spacing-unit) * 6);
    line-height: 1.6;
}

.results img {
    width: 100%;
    max-width: 600px;
    height: auto;
    border-radius: calc(var(--spacing-unit) * 2);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
}

/* Testimonials Section */
.testimonials {
    padding: calc(var(--spacing-unit) * 10) 0;
    background: var(--neutral-50);
}

.testimonials h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--neutral-900);
    margin-bottom: calc(var(--spacing-unit) * 8);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: calc(var(--spacing-unit) * 4);
}

.testimonial-card {
    background: var(--white);
    padding: calc(var(--spacing-unit) * 4);
    border-radius: calc(var(--spacing-unit) * 2);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-3px);
}

.testimonial-card p {
    font-style: italic;
    color: var(--neutral-700);
    margin-bottom: calc(var(--spacing-unit) * 3);
    line-height: 1.6;
}

.testimonial-author strong {
    display: block;
    color: var(--neutral-900);
    font-weight: 600;
}

.testimonial-author span {
    color: var(--neutral-500);
    font-size: 0.875rem;
}

/* Contact Section */
.contact {
    padding: calc(var(--spacing-unit) * 10) 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: calc(var(--spacing-unit) * 8);
    align-items: start;
}

.contact-info h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--neutral-900);
    margin-bottom: calc(var(--spacing-unit) * 3);
}

.contact-info p {
    font-size: 1.125rem;
    color: var(--neutral-600);
    margin-bottom: calc(var(--spacing-unit) * 4);
    line-height: 1.6;
}

.contact-info img {
    width: 100%;
    height: auto;
    border-radius: calc(var(--spacing-unit) * 2);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
}

.contact-form {
    background: var(--white);
    padding: calc(var(--spacing-unit) * 4);
    border-radius: calc(var(--spacing-unit) * 2);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.contact-form h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--neutral-900);
    margin-bottom: calc(var(--spacing-unit) * 4);
    text-align: center;
}

.form-group {
    margin-bottom: calc(var(--spacing-unit) * 3);
}

.form-group label {
    display: block;
    font-weight: 500;
    color: var(--neutral-700);
    margin-bottom: calc(var(--spacing-unit) * 1);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: calc(var(--spacing-unit) * 1.5);
    border: 2px solid var(--neutral-200);
    border-radius: calc(var(--spacing-unit) * 1);
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group.consent {
    margin-top: calc(var(--spacing-unit) * 4);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: calc(var(--spacing-unit) * 1);
    font-size: 0.875rem;
    line-height: 1.5;
    cursor: pointer;
}

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

.checkbox-label a {
    color: var(--primary-color);
    text-decoration: none;
}

.checkbox-label a:hover {
    text-decoration: underline;
}

/* Footer */
.footer {
    background: var(--neutral-900);
    color: var(--white);
    padding: calc(var(--spacing-unit) * 6) 0 calc(var(--spacing-unit) * 3);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: calc(var(--spacing-unit) * 4);
}

.footer-brand h3 {
    color: var(--white);
    margin-bottom: calc(var(--spacing-unit) * 1);
}

.footer-brand p {
    color: var(--neutral-400);
}

.footer-links {
    display: flex;
    gap: calc(var(--spacing-unit) * 4);
}

.footer-links a {
    color: var(--neutral-400);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--white);
}

.footer-bottom {
    text-align: center;
    padding-top: calc(var(--spacing-unit) * 3);
    border-top: 1px solid var(--neutral-700);
    color: var(--neutral-400);
}

/* Cookie Notice */
.cookie-notice {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--neutral-900);
    color: var(--white);
    padding: calc(var(--spacing-unit) * 2);
    z-index: 1001;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

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

.cookie-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    gap: calc(var(--spacing-unit) * 3);
}

.cookie-buttons {
    display: flex;
    gap: calc(var(--spacing-unit) * 2);
}

.btn-accept {
    background: var(--primary-color);
    color: var(--white);
    border: none;
    padding: calc(var(--spacing-unit) * 1) calc(var(--spacing-unit) * 2);
    border-radius: calc(var(--spacing-unit) * 1);
    cursor: pointer;
    font-weight: 500;
    transition: background-color 0.3s ease;
}

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

.btn-settings {
    background: transparent;
    color: var(--white);
    border: 1px solid var(--neutral-600);
    padding: calc(var(--spacing-unit) * 1) calc(var(--spacing-unit) * 2);
    border-radius: calc(var(--spacing-unit) * 1);
    cursor: pointer;
    font-weight: 500;
    transition: border-color 0.3s ease;
}

.btn-settings:hover {
    border-color: var(--white);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1002;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    background-color: var(--white);
    margin: 5% auto;
    padding: calc(var(--spacing-unit) * 4);
    border-radius: calc(var(--spacing-unit) * 2);
    width: 90%;
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
}

.close {
    color: var(--neutral-500);
    float: right;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    position: absolute;
    top: calc(var(--spacing-unit) * 2);
    right: calc(var(--spacing-unit) * 3);
}

.close:hover {
    color: var(--neutral-900);
}

#modal-body h2 {
    color: var(--neutral-900);
    margin-bottom: calc(var(--spacing-unit) * 3);
    padding-right: calc(var(--spacing-unit) * 4);
}

#modal-body h3 {
    color: var(--neutral-800);
    margin: calc(var(--spacing-unit) * 3) 0 calc(var(--spacing-unit) * 2);
}

#modal-body p {
    color: var(--neutral-600);
    line-height: 1.6;
    margin-bottom: calc(var(--spacing-unit) * 2);
}

#modal-body ul {
    color: var(--neutral-600);
    margin-left: calc(var(--spacing-unit) * 3);
    margin-bottom: calc(var(--spacing-unit) * 2);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hero {
        grid-template-columns: 1fr;
        gap: calc(var(--spacing-unit) * 4);
        padding-top: calc(var(--spacing-unit) * 12);
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: calc(var(--spacing-unit) * 6);
    }
    
    .footer-content {
        flex-direction: column;
        gap: calc(var(--spacing-unit) * 3);
        text-align: center;
    }
    
    .cookie-content {
        flex-direction: column;
        gap: calc(var(--spacing-unit) * 2);
        text-align: center;
    }
    
    .services-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 calc(var(--spacing-unit) * 2);
    }
    
    .hero {
        padding: calc(var(--spacing-unit) * 10) calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 8);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .modal-content {
        margin: 10% auto;
        padding: calc(var(--spacing-unit) * 3);
        width: 95%;
    }
}

/* Animation keyframes */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content,
.service-card,
.testimonial-card {
    animation: fadeInUp 0.6s ease-out;
}