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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

.site-brand {
    flex: 1;
}

.brand-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
    color: white;
    display: block;
}

.brand-subtitle {
    font-size: 0.9rem;
    margin: 0;
    opacity: 0.9;
    font-weight: 400;
}

.header-cta {
    flex-shrink: 0;
}

.header-button {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.header-button:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-1px);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 0;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.5;
}

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

.benefit {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
}

.benefit-icon {
    font-size: 1.2rem;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hero-image a:hover img {
    transform: translateY(-5px);
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.4);
}

/* CTA Buttons */
.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1.1rem;
    text-decoration: none;
    text-align: center;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.cta-button.primary {
    background: linear-gradient(45deg, #ff6b6b, #ee5a24);
    color: white;
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.4);
}

.cta-button.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 107, 0.6);
}

.cta-button.secondary {
    background: linear-gradient(45deg, #20bf6b, #26de81);
    color: white;
    box-shadow: 0 4px 15px rgba(32, 191, 107, 0.4);
}

.cta-button.secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(32, 191, 107, 0.6);
}

.cta-button.large {
    padding: 1.5rem 3rem;
    font-size: 1.3rem;
}

.cta-disclaimer, .cta-guarantee {
    font-size: 0.9rem;
    margin-top: 1rem;
    opacity: 0.8;
    text-align: center;
}

/* Sections */
section {
    padding: 4rem 0;
}

section h2 {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    color: #2d3748;
}

.section-subtitle {
    font-size: 1.2rem;
    text-align: center;
    margin-bottom: 3rem;
    color: #4a5568;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Features Section */
.features {
    background-color: #f8fafc;
}

.features-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
    margin-bottom: 3rem;
}

.features-image {
    position: sticky;
    top: 100px;
}

.features-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.features-image a:hover img {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.features-text {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.feature-benefit h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #2d3748;
    line-height: 1.3;
}

.feature-benefit p {
    margin-bottom: 2rem;
    color: #4a5568;
    line-height: 1.6;
    font-size: 1.1rem;
}

.benefits-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    border: 1px solid #e5e7eb;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.benefit-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.12);
}

.benefit-item .benefit-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
    margin-top: 0.2rem;
}

.benefit-item strong {
    display: block;
    color: #2d3748;
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.benefit-item p {
    color: #4a5568;
    font-size: 0.9rem;
    margin: 0;
    line-height: 1.4;
}

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

/* Comparison Section */
.comparison {
    background-color: #ffffff;
}

.comparison-table {
    overflow-x: auto;
    margin-bottom: 3rem;
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.comparison-table th,
.comparison-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #e5e7eb;
}

.comparison-table th {
    background: #2d3748;
    color: white;
    font-weight: 600;
    font-size: 1.1rem;
}

.comparison-table th.highlight {
    background: linear-gradient(45deg, #667eea, #764ba2);
}

.comparison-table td.highlight {
    background: linear-gradient(45deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    font-weight: 600;
    color: #2d3748;
}

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

/* Tutorial Section */
.tutorial {
    background-color: #f8fafc;
}

.tutorial-steps {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}

.step {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border: 1px solid #e5e7eb;
    position: relative;
}

.step-number {
    position: absolute;
    top: -15px;
    left: 2rem;
    background: linear-gradient(45deg, #ff6b6b, #ee5a24);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
}

.step h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #2d3748;
    margin-top: 1rem;
}

.step p {
    color: #4a5568;
    line-height: 1.6;
}

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

/* Advanced Features Section */
.advanced-features {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    position: relative;
    overflow: hidden;
}

.advanced-features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="20" cy="20" r="1" fill="%23667eea" opacity="0.1"/><circle cx="80" cy="80" r="1" fill="%23764ba2" opacity="0.1"/><circle cx="40" cy="60" r="1" fill="%2320bf6b" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.advanced-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
    position: relative;
    z-index: 1;
}

.advanced-card {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(102, 126, 234, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
}

.advanced-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
}

.advanced-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
}

.advanced-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.advanced-icon {
    font-size: 2rem;
    margin-right: 0.5rem;
}

.advanced-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: #2d3748;
    flex: 1;
    min-width: 200px;
}

.advanced-badge {
    background: linear-gradient(45deg, #20bf6b, #26de81);
    color: white;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
}

.advanced-card p {
    color: #4a5568;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.advanced-list {
    list-style: none;
    padding: 0;
}

.advanced-list li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: #2d3748;
    font-size: 0.95rem;
    line-height: 1.5;
}

.advanced-list li::before {
    content: "⚡";
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
}

.advanced-cta {
    text-align: center;
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 2px solid rgba(102, 126, 234, 0.2);
    position: relative;
    z-index: 1;
}

.advanced-cta h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 1.5rem;
}

/* Value Calculator Section */
.value-calculator {
    background: linear-gradient(135deg, #2d3748 0%, #4a5568 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.value-calculator::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 60"><defs><pattern id="calc-pattern" x="0" y="0" width="60" height="60" patternUnits="userSpaceOnUse"><circle cx="30" cy="30" r="1.5" fill="%2320bf6b" opacity="0.3"/><circle cx="0" cy="0" r="1" fill="%23667eea" opacity="0.2"/><circle cx="60" cy="60" r="1" fill="%23667eea" opacity="0.2"/></pattern></defs><rect width="100%" height="100%" fill="url(%23calc-pattern)"/></svg>');
}

.value-calculator h2 {
    color: white;
}

.calculator-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
    position: relative;
    z-index: 1;
}

.calculator-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease, background 0.3s ease;
}

.calculator-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.08);
}

.calculator-header {
    margin-bottom: 1.5rem;
}

.calculator-header h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: white;
}

.calculator-math {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    font-size: 1.1rem;
    font-weight: 600;
}

.calc-quantity {
    color: #20bf6b;
}

.calc-operator, .calc-equals {
    color: #667eea;
    font-size: 1.3rem;
}

.calc-price {
    color: #ffa726;
}

.calc-result {
    color: #ff6b6b;
    font-size: 1.3rem;
    font-weight: 700;
}

.calculator-card p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.calculator-comparison {
    background: rgba(0, 0, 0, 0.2);
    padding: 1rem;
    border-radius: 8px;
    border-left: 3px solid #20bf6b;
}

.calculator-comparison strong {
    color: #20bf6b;
    display: block;
    margin-bottom: 0.5rem;
}

.calculator-comparison ul {
    list-style: none;
    margin: 0;
}

.calculator-comparison li {
    padding: 0.3rem 0;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
}

.calculator-comparison .highlight {
    color: #20bf6b;
    font-weight: 600;
}

.calculator-total {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(15px);
    border-radius: 20px;
    padding: 3rem;
    border: 2px solid rgba(32, 191, 107, 0.3);
    text-align: center;
    position: relative;
    z-index: 1;
}

.total-breakdown h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: white;
}

.total-calculation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    gap: 2rem;
}

.total-items {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    text-align: left;
}

.total-items span {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.1rem;
}

.total-result {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.5rem;
}

.total-label {
    color: #20bf6b;
    font-weight: 600;
    font-size: 1.2rem;
}

.total-amount {
    font-size: 3rem;
    font-weight: 900;
    color: #20bf6b;
    text-shadow: 0 2px 10px rgba(32, 191, 107, 0.3);
}

.total-free {
    background: linear-gradient(45deg, #ff6b6b, #ee5a24);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.total-description {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.calculator-cta {
    margin-top: 2rem;
}

/* Testimonials Section */
.testimonials {
    background-color: #ffffff;
}

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

.testimonial {
    background: #f8fafc;
    padding: 2rem;
    border-radius: 12px;
    border-left: 4px solid #667eea;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.testimonial:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1);
}

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

.stars {
    color: #ffa726;
    font-size: 1.1rem;
    letter-spacing: 2px;
}

.rating-number {
    font-weight: 600;
    color: #2d3748;
    font-size: 0.9rem;
}

.testimonial p {
    font-style: italic;
    margin-bottom: 1.5rem;
    color: #4a5568;
    line-height: 1.6;
    font-size: 1rem;
}

.testimonial cite {
    font-style: normal;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.testimonial cite strong {
    font-weight: 700;
    color: #2d3748;
    font-size: 1rem;
}

.testimonial cite span {
    font-weight: 400;
    color: #667eea;
    font-size: 0.85rem;
}

.testimonials-summary {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 2.5rem;
    border-radius: 16px;
    margin-top: 3rem;
    text-align: center;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.2);
}

.summary-rating {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.big-rating {
    font-size: 4rem;
    font-weight: 900;
    color: #20bf6b;
    text-shadow: 0 2px 10px rgba(32, 191, 107, 0.3);
    line-height: 1;
}

.rating-details {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
}

.stars-large {
    color: #ffa726;
    font-size: 1.5rem;
    letter-spacing: 3px;
}

.rating-details span {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
    font-weight: 500;
}

.summary-text {
    font-size: 1.1rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.95);
    max-width: 600px;
    margin: 0 auto;
}

/* FAQ Section */
.faq {
    background-color: #f8fafc;
}

.faq-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.faq-item {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border: 1px solid #e5e7eb;
}

.faq-item h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #2d3748;
}

.faq-item p {
    color: #4a5568;
    line-height: 1.6;
}

/* Final CTA Section */
.final-cta {
    background: linear-gradient(135deg, #2d3748 0%, #4a5568 100%);
    color: white;
    text-align: center;
    padding: 5rem 0;
}

.final-cta h2 {
    color: white;
    font-size: 3rem;
    margin-bottom: 1rem;
}

.cta-subtitle {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    opacity: 0.9;
}

.final-benefits {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 3rem;
}

.final-benefit-item {
    text-align: center;
}

.final-benefit-number {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    color: #20bf6b;
    line-height: 1;
}

.final-benefit-text {
    display: block;
    font-size: 1.1rem;
    margin-top: 0.5rem;
    color: white !important;
    opacity: 0.9;
}

/* Footer */
.footer {
    background: #2d3748;
    color: white;
    padding: 2rem 0;
    text-align: center;
}

.footer p {
    margin-bottom: 0.5rem;
    opacity: 0.8;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .features-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .features-image {
        position: static;
        order: 1;
    }

    .features-text {
        order: 2;
    }

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

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

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

    .total-calculation {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }

    .total-result {
        align-items: center;
    }

    .tutorial-steps {
        grid-template-columns: 1fr;
    }

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

    .summary-rating {
        flex-direction: column;
        gap: 1.5rem;
    }

    .rating-details {
        align-items: center;
        text-align: center;
    }

    .big-rating {
        font-size: 3rem;
    }

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

    .final-benefits {
        flex-direction: column;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .brand-title {
        font-size: 1.3rem;
    }

    .brand-subtitle {
        font-size: 0.8rem;
    }

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

    section h2 {
        font-size: 2rem;
    }

    .hero-benefits {
        grid-template-columns: 1fr;
    }

    .cta-button {
        padding: 1rem;
        font-size: 1rem;
    }

    .cta-button.large {
        padding: 1.25rem 1.5rem;
        font-size: 1.1rem;
    }

    .final-cta h2 {
        font-size: 2rem;
    }

    .comparison-table {
        font-size: 0.9rem;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 0.75rem 0.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 3rem 0;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    section {
        padding: 3rem 0;
    }

    section h2 {
        font-size: 1.75rem;
    }

    .final-cta {
        padding: 3rem 0;
    }
}

/* German Business Cases Section */
.german-cases {
    background: linear-gradient(135deg, #f8f9ff 0%, #e8f0ff 100%);
    padding: 5rem 0;
}

.german-cases h2 {
    text-align: center;
    margin-bottom: 1rem;
    color: #2d3748;
    font-size: 2.5rem;
    font-weight: 700;
}

.german-cases .section-subtitle {
    text-align: center;
    margin-bottom: 4rem;
    color: #4a5568;
    font-size: 1.2rem;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
}

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

.case-study {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 2px solid transparent;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.case-study::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
}

.case-study:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    border-color: #667eea;
}

.case-header {
    margin-bottom: 1.5rem;
}

.case-icon {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    display: block;
}

.case-header h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 0.5rem;
}

.case-location {
    color: #667eea;
    font-size: 0.9rem;
    font-weight: 600;
    background: rgba(102, 126, 234, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    display: inline-block;
}

.case-results {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    gap: 1rem;
}

.case-metric {
    text-align: center;
    flex: 1;
    background: rgba(102, 126, 234, 0.05);
    padding: 1rem 0.5rem;
    border-radius: 10px;
}

.metric-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: #667eea;
    margin-bottom: 0.25rem;
}

.metric-label {
    font-size: 0.8rem;
    color: #4a5568;
    font-weight: 600;
    line-height: 1.2;
}

.case-description {
    color: #4a5568;
    line-height: 1.6;
    font-size: 0.95rem;
}

.case-description strong {
    color: #2d3748;
    font-weight: 600;
}

.cases-cta {
    text-align: center;
    background: white;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    margin-top: 3rem;
}

.cases-cta h3 {
    font-size: 1.8rem;
    color: #2d3748;
    margin-bottom: 2rem;
    font-weight: 700;
}

.cases-cta .cta-button {
    display: inline-block;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-decoration: none;
    padding: 1.2rem 2.5rem;
    border-radius: 10px;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.cases-cta .cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.6);
}

.cases-cta .cta-disclaimer {
    margin-top: 1rem;
    color: #4a5568;
    font-size: 0.9rem;
    font-weight: 500;
}

@media (max-width: 768px) {
    .cases-grid {
        grid-template-columns: 1fr;
    }

    .case-results {
        flex-direction: column;
        gap: 0.5rem;
    }

    .case-metric {
        padding: 0.75rem;
    }

    .metric-value {
        font-size: 1.25rem;
    }

    .german-cases h2 {
        font-size: 2rem;
    }

    .cases-cta {
        padding: 2rem 1rem;
    }

    .cases-cta h3 {
        font-size: 1.5rem;
    }
}