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

body {
    font-family: 'Roboto', sans-serif;
    font-size: 18px;
    line-height: 1.6;
    color: rgb(115, 115, 123);
    background-color: #ffffff;
}

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

h1, h2, h3, h4, h5, h6 {
    color: #101621;
    font-weight: 500;
    line-height: 1.2;
}

h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

h4 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

h6 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #6366f1;
    margin-bottom: 0.5rem;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    text-align: center;
}

.btn-primary {
    background-color: #6366f1;
    color: white;
}

.btn-primary:hover {
    background-color: #5855eb;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: #6366f1;
    border: 2px solid #6366f1;
}

.btn-secondary:hover {
    background-color: #6366f1;
    color: white;
}

.btn-large {
    padding: 16px 32px;
    font-size: 18px;
}

.header {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.nav {
    padding: 1rem 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.brand-link {
    font-size: 1.5rem;
    font-weight: 700;
    color: #101621;
    text-decoration: none;
}

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

.nav-link {
    color: rgb(115, 115, 123);
    text-decoration: none;
    font-weight: 400;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #6366f1;
}

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

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: #101621;
    margin: 3px 0;
    transition: 0.3s;
}

main {
    margin-top: 80px;
}

.hero {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: rgb(115, 115, 123);
}

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

.hero-image {
    text-align: center;
}

.hero-img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-label {
    color: #6366f1;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.25rem;
    color: rgb(115, 115, 123);
}

.features-preview {
    padding: 80px 0;
    background-color: white;
}

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

.feature-card {
    text-align: center;
    padding: 2rem;
    border-radius: 12px;
    background-color: #f8fafc;
    transition: transform 0.3s ease;
}

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

.feature-icon {
    margin-bottom: 1.5rem;
}

.feature-icon img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.feature-description {
    color: rgb(115, 115, 123);
}

.pricing-preview {
    padding: 80px 0;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    color: white;
}

.pricing-preview .section-title,
.pricing-preview .section-subtitle {
    color: white;
}

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

.pricing-card {
    background-color: white;
    color: #101621;
    padding: 2.5rem;
    border-radius: 12px;
    text-align: center;
    position: relative;
    transition: transform 0.3s ease;
}

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

.pricing-card-featured {
    border: 3px solid #fbbf24;
    transform: scale(1.05);
}

.pricing-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.pricing-price {
    font-size: 2.5rem;
    font-weight: 700;
    color: #6366f1;
    margin-bottom: 0.5rem;
}

.pricing-unit {
    color: rgb(115, 115, 123);
    margin-bottom: 2rem;
}

.pricing-features {
    list-style: none;
    text-align: left;
}

.pricing-features li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #e5e7eb;
}

.pricing-features li:last-child {
    border-bottom: none;
}

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

.testimonials {
    padding: 80px 0;
    background-color: #f8fafc;
}

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

.testimonial-card {
    background-color: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

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

.testimonial-content p {
    font-style: italic;
    font-size: 1.1rem;
}

.testimonial-author strong {
    color: #101621;
    display: block;
    margin-bottom: 0.25rem;
}

.testimonial-author span {
    color: rgb(115, 115, 123);
    font-size: 0.9rem;
}

.faq {
    padding: 80px 0;
    background-color: white;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid #e5e7eb;
    margin-bottom: 1rem;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
    cursor: pointer;
    transition: color 0.3s ease;
}

.faq-question:hover {
    color: #6366f1;
}

.faq-question h3 {
    font-size: 1.25rem;
    font-weight: 500;
}

.faq-toggle {
    font-size: 1.5rem;
    font-weight: 300;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 200px;
    padding-bottom: 1.5rem;
}

.cta {
    padding: 80px 0;
    background: linear-gradient(135deg, #101621 0%, #374151 100%);
    color: white;
    text-align: center;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
}

.cta-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: #d1d5db;
}

.footer {
    background-color: #101621;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand h3 {
    color: white;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.footer-brand p {
    color: #d1d5db;
}

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

.footer-column h4 {
    color: white;
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.footer-column a {
    display: block;
    color: #d1d5db;
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: #6366f1;
}

.footer-column p {
    color: #d1d5db;
    font-size: 0.9rem;
    line-height: 1.5;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    color: #9ca3af;
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: white;
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: 2rem;
        transition: left 0.3s ease;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    }

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

    .nav-toggle {
        display: flex;
    }

    .nav-actions {
        display: none;
    }

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

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

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

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

    .features-grid,
    .pricing-cards,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

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

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

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

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

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

    .btn-large {
        padding: 14px 28px;
        font-size: 16px;
    }
}