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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: #ffffff;
    color: #333333;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

header {
    background-color: #ffffff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #1fa855;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

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

.nav-link {
    color: #495057;
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #25d366;
}

.language-switcher {
    display: flex;
    background-color: #f8f9fa;
    border-radius: 25px;
    padding: 4px;
    border: 2px solid #e9ecef;
}

.lang-option {
    background: none;
    border: none;
    padding: 8px 12px;
    border-radius: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
    color: #6c757d;
}

.lang-option.active {
    background-color: #1fa855;
    color: white;
    box-shadow: 0 2px 8px rgba(31, 168, 85, 0.3);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    font-weight: 700;
}

.lang-option:not(.active):hover {
    background-color: #e9ecef;
    color: #495057;
}

.flag {
    font-size: 14px;
}

.lang-name {
    font-weight: 600;
    font-size: 12px;
}

main {
    margin-top: 80px;
}

.hero {
    text-align: center;
    padding: 4rem 2rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h2 {
    font-size: 3rem;
    font-weight: 700;
    color: #212529;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    color: #6c757d;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-highlights {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background-color: rgba(31, 168, 85, 0.1);
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
    color: #1fa855;
}

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

.early-access {
    margin-top: 3rem;
    text-align: center;
}

.early-access h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #212529;
    margin-bottom: 1.5rem;
}

.early-access-form {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0;
    max-width: 480px;
    margin: 0 auto;
    background-color: #ffffff;
    border-radius: 50px;
    padding: 6px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.early-access-form input[type="email"] {
    flex: 1;
    padding: 14px 24px;
    border: none;
    background: transparent;
    font-size: 1rem;
    font-family: inherit;
    color: #212529;
}

.early-access-form input[type="email"]:focus {
    outline: none;
}

.early-access-form input[type="email"]::placeholder {
    color: #6c757d;
}

.early-access-form button {
    background-color: #1fa855;
    color: white;
    border: none;
    border-radius: 50px;
    padding: 12px 32px;
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.early-access-form button:hover {
    background-color: #0d7a6e;
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(31, 168, 85, 0.4);
}

.pricing-info {
    margin-top: 2rem;
    text-align: center;
}

.pricing-info p {
    font-size: 1.3rem;
    font-weight: 600;
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.section-header {
    text-align: center;
    margin-bottom: 2rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #212529;
    margin-bottom: 0.5rem;
}

.section-header p {
    font-size: 1.1rem;
    color: #6c757d;
    max-width: 600px;
    margin: 0 auto;
}

.benefits {
    padding: 4rem 2rem;
    background-color: #f8f9fa;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.benefit-card {
    background-color: #ffffff;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.benefit-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.benefit-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: block;
}

.benefit-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #212529;
    margin-bottom: 1rem;
}

.benefit-card p {
    color: #6c757d;
    line-height: 1.6;
}

.construction {
    padding: 4rem 2rem;
    background-color: #ffffff;
}

.construction-content {
    max-width: 1200px;
    margin: 0 auto;
}

.construction-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 3rem;
    margin-bottom: 4rem;
}

.construction-feature {
    background-color: #f8f9fa;
    padding: 2rem;
    border-radius: 16px;
    border-left: 4px solid #25d366;
}

.feature-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.feature-icon {
    font-size: 2rem;
}

.construction-feature h3 {
    color: #212529;
    font-size: 1.4rem;
    margin: 0;
}

.construction-feature p {
    color: #495057;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.construction-feature ul {
    list-style: none;
    padding: 0;
}

.construction-feature li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 2rem;
    color: #495057;
}

.construction-feature li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #1fa855;
    font-weight: bold;
}

.construction-workflow {
    background-color: #f8f9fa;
    padding: 3rem;
    border-radius: 16px;
    text-align: center;
}

.construction-workflow h3 {
    color: #212529;
    margin-bottom: 2rem;
    font-size: 1.8rem;
}

.workflow-steps {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    max-width: 1000px;
    margin: 0 auto;
}

.workflow-step {
    background-color: #ffffff;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    min-width: 180px;
    flex: 1;
}

.step-number {
    background-color: #1fa855;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
    margin: 0 auto 1rem auto;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.step-content h4 {
    color: #212529;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.step-content p {
    color: #6c757d;
    font-size: 0.9rem;
    line-height: 1.4;
    margin: 0;
}

.workflow-arrow {
    font-size: 2rem;
    color: #25d366;
    font-weight: bold;
}

.tax-features {
    padding: 3rem 2rem;
    background-color: #f8f9fa;
    margin-top: 0;
}

.tax-features .section-header {
    margin-bottom: 2rem;
}

.tax-features .section-header h3 {
    color: #212529;
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.tax-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto 2rem auto;
}

.tax-option {
    background-color: #ffffff;
    padding: 1.5rem;
    border-radius: 12px;
    border-left: 4px solid #25d366;
}

.tax-option h4 {
    color: #25d366;
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.tax-option p {
    color: #495057;
    margin: 0;
    line-height: 1.5;
}

.tax-features-list {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    max-width: 900px;
    margin: 0 auto;
}

.tax-feature {
    color: #495057;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.customization {
    padding: 4rem 2rem;
    background-color: #ffffff;
}

.customization-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    max-width: 1000px;
    margin: 0 auto;
}

.custom-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background-color: #f8f9fa;
    border-radius: 12px;
    transition: all 0.3s ease;
    border-left: 4px solid #25d366;
}

.custom-item:hover {
    background-color: #e9ecef;
    transform: translateX(5px);
}

.custom-icon {
    font-size: 1.8rem;
    min-width: 40px;
}

.features {
    padding: 4rem 2rem;
    background-color: #f8f9fa;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background-color: #ffffff;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    text-align: center;
    border: 1px solid #f8f9fa;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #212529;
    margin-bottom: 1rem;
}

.feature-card p {
    color: #6c757d;
    line-height: 1.6;
}

.cta {
    background: linear-gradient(135deg, #1fa855 0%, #0d7a6e 100%);
    padding: 4rem 2rem;
    text-align: center;
    color: white;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.cta h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.cta p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.15);
}

.cta-features {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.cta-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: white;
    font-weight: 600;
    font-size: 1.1rem;
}

/* CTA section early access form */
.cta .early-access h3 {
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.cta .early-access-form {
    background-color: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.cta .early-access-form input[type="email"] {
    color: white;
}

.cta .early-access-form input[type="email"]::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.cta .early-access-form button {
    background-color: white;
    color: #1fa855;
    font-weight: 700;
    text-shadow: none;
}

.cta .early-access-form button:hover {
    background-color: #f8f9fa;
    box-shadow: 0 4px 16px rgba(255, 255, 255, 0.3);
}

.pricing {
    padding: 3rem 2rem;
    background-color: #ffffff;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.pricing-card {
    background-color: #ffffff;
    padding: 1.5rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 2px solid #f8f9fa;
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.pricing-card.popular {
    border-color: #25d366;
    transform: scale(1.05);
}

.pricing-card.popular:hover {
    transform: scale(1.05) translateY(-5px);
}

.plan-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #1fa855 0%, #25d366 100%);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    letter-spacing: 0.5px;
}

.savings {
    text-align: center;
    background-color: rgba(37, 211, 102, 0.1);
    color: #25d366;
    padding: 0.5rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    margin: 1rem 0;
}

.pricing-card h3 {
    text-align: center;
    font-size: 1.5rem;
    margin: 1.5rem 0 1rem 0;
    color: #212529;
}

.price {
    text-align: center;
    margin: 1rem 0;
}

.currency {
    font-size: 1.1rem;
    color: #6c757d;
    vertical-align: top;
}

.amount {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1fa855;
}

.period {
    font-size: 1rem;
    color: #6c757d;
}

.plan-features {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
}

.plan-features li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #f8f9fa;
    position: relative;
    padding-left: 2rem;
    font-size: 0.9rem;
}

.plan-features li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #25d366;
    font-weight: bold;
}

.testimonials {
    padding: 4rem 2rem;
    background-color: #f8f9fa;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.testimonial-card {
    background-color: #ffffff;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-5px);
}

.stars {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.testimonial-card p {
    font-style: italic;
    color: #495057;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.testimonial-author strong {
    color: #212529;
}

.testimonial-author span {
    color: #6c757d;
    font-size: 0.9rem;
}

footer {
    background-color: #f8f9fa;
    text-align: center;
    padding: 2rem;
    color: #6c757d;
}

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

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: #6c757d;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #25d366;
}

@media (max-width: 768px) {
    nav {
        padding: 1rem;
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-items {
        gap: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .nav-link {
        font-size: 0.9rem;
    }
    
    .logo h1 {
        font-size: 1.5rem;
    }
    
    .hero h2 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .early-access-form {
        flex-direction: column;
        gap: 0.75rem;
        border-radius: 12px;
        padding: 1rem;
    }
    
    .early-access-form input[type="email"] {
        width: 100%;
        text-align: center;
        padding: 16px 20px;
    }
    
    .early-access-form button {
        width: 100%;
        padding: 16px 32px;
        border-radius: 12px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
    
    .cta h2 {
        font-size: 2rem;
    }
    
    .cta p {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 2rem 1rem;
    }
    
    .hero h2 {
        font-size: 1.8rem;
    }
    
    .features {
        padding: 2rem 1rem;
    }
    
    .cta {
        padding: 2rem 1rem;
    }
    
    .cta h2 {
        font-size: 1.8rem;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
    
    .hero-highlights {
        flex-direction: column;
        gap: 1rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .customization-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.popular {
        transform: none;
    }
    
    .pricing-card.popular:hover {
        transform: translateY(-5px);
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-features {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }
    
    .construction-features {
        grid-template-columns: 1fr;
    }
    
    .workflow-steps {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .workflow-arrow {
        transform: rotate(90deg);
        font-size: 1.5rem;
    }
    
    .tax-options {
        grid-template-columns: 1fr;
    }
    
    .tax-features-list {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }
}

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.lang-transition {
    transition: opacity 0.3s ease;
}

.lang-transition.fade-out {
    opacity: 0;
}