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

:root {
    --primary-indigo: #4F46E5;
    --soft-mint: #9EE6D9;
    --dark-indigo: #3730A3;
    --light-mint: #D1FAE5;
    --text-dark: #1F2937;
    --text-gray: #6B7280;
    --text-light: #9CA3AF;
    --bg-white: #FFFFFF;
    --bg-light: #F9FAFB;
    --border-gray: #E5E7EB;
    --spacing-unit: 8px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.5;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

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

.header {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-gray);
    padding: calc(var(--spacing-unit) * 3) 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo-group {
    display: flex;
    align-items: center;
    gap: calc(var(--spacing-unit) * 2);
}

.logo-icon {
    flex-shrink: 0;
}

.brand-name {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
    letter-spacing: -0.5px;
}

.hero {
    padding: calc(var(--spacing-unit) * 12) 0 calc(var(--spacing-unit) * 10) 0;
    background: linear-gradient(135deg, #F0F9FF 0%, #F9FAFB 100%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: calc(var(--spacing-unit) * 8);
    align-items: center;
}

.hero-content h1 {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.2;
    color: var(--text-dark);
    margin-bottom: calc(var(--spacing-unit) * 3);
}

.hero-subtitle {
    font-size: 20px;
    line-height: 1.5;
    color: var(--text-gray);
    margin-bottom: calc(var(--spacing-unit) * 5);
}

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

.hero-image .placeholder-image {
    width: 100%;
    height: 400px;
    border-radius: calc(var(--spacing-unit) * 2);
}

.btn {
    display: inline-block;
    padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 4);
    border-radius: calc(var(--spacing-unit) * 1);
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background: var(--dark-indigo);
}

.btn-secondary {
    background: var(--soft-mint);
    color: var(--text-dark);
}

.btn-secondary:hover {
    background: #7DD3C0;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-indigo);
    color: var(--primary-indigo);
}

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

.trust-badges {
    padding: calc(var(--spacing-unit) * 10) 0;
    background: var(--bg-white);
    text-align: center;
}

.badge-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: calc(var(--spacing-unit) * 4);
}

.badge-item {
    text-align: center;
}

.badge-icon {
    margin-bottom: calc(var(--spacing-unit) * 2);
}

.badge-item h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: calc(var(--spacing-unit) * 1);
    color: var(--text-dark);
}

.badge-item p {
    font-size: 14px;
    color: var(--text-gray);
}

.section-title {
    font-size: 40px;
    font-weight: 800;
    line-height: 1.2;
    text-align: center;
    color: var(--text-dark);
    margin-bottom: calc(var(--spacing-unit) * 6);
}

.section-subtitle {
    font-size: 18px;
    text-align: center;
    color: var(--text-gray);
    margin-top: calc(var(--spacing-unit) * -4);
    margin-bottom: calc(var(--spacing-unit) * 6);
}

.features {
    padding: calc(var(--spacing-unit) * 10) 0;
    background: var(--bg-light);
    text-align: center;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: calc(var(--spacing-unit) * 4);
}

.feature-card {
    background: var(--bg-white);
    padding: calc(var(--spacing-unit) * 5);
    border-radius: calc(var(--spacing-unit) * 2);
    border: 1px solid var(--border-gray);
    text-align: center;
}

.feature-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: calc(var(--spacing-unit) * 2);
    color: var(--text-dark);
}

.feature-card p {
    font-size: 16px;
    line-height: 1.5;
    color: var(--text-gray);
}

.how-it-works {
    padding: calc(var(--spacing-unit) * 10) 0;
    background: var(--bg-white);
    text-align: center;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: calc(var(--spacing-unit) * 4);
}

.step-item {
    text-align: center;
}

.step-number {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--primary-indigo);
    color: white;
    font-size: 28px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto calc(var(--spacing-unit) * 3) auto;
}

.step-item h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: calc(var(--spacing-unit) * 2);
    color: var(--text-dark);
}

.step-item p {
    font-size: 15px;
    line-height: 1.5;
    color: var(--text-gray);
}

.integration {
    padding: calc(var(--spacing-unit) * 10) 0;
    background: var(--bg-light);
    text-align: center;
}

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

.integration-text {
    text-align: left;
}

.integration-text h2 {
    font-size: 40px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: calc(var(--spacing-unit) * 3);
    color: var(--text-dark);
}

.integration-text p {
    font-size: 18px;
    line-height: 1.5;
    color: var(--text-gray);
    margin-bottom: calc(var(--spacing-unit) * 4);
}

.check-list {
    list-style: none;
}

.check-list li {
    font-size: 16px;
    color: var(--text-dark);
    padding-left: calc(var(--spacing-unit) * 4);
    margin-bottom: calc(var(--spacing-unit) * 2);
    position: relative;
}

.check-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--soft-mint);
    font-weight: 800;
    font-size: 20px;
}

.integration-visual .placeholder-image {
    width: 100%;
    height: 400px;
    border-radius: calc(var(--spacing-unit) * 2);
}

.placeholder-image {
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
}

.pricing {
    padding: calc(var(--spacing-unit) * 10) 0;
    background: var(--bg-white);
    text-align: center;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: calc(var(--spacing-unit) * 4);
}

.pricing-card {
    background: var(--bg-white);
    border: 2px solid var(--border-gray);
    border-radius: calc(var(--spacing-unit) * 2);
    padding: calc(var(--spacing-unit) * 5);
    position: relative;
}

.pricing-card.featured {
    border-color: var(--primary-indigo);
    box-shadow: 0 20px 40px rgba(79, 70, 229, 0.15);
}

.featured-badge {
    position: absolute;
    top: calc(var(--spacing-unit) * -2);
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-indigo);
    color: white;
    padding: calc(var(--spacing-unit) * 1) calc(var(--spacing-unit) * 3);
    border-radius: calc(var(--spacing-unit) * 3);
    font-size: 14px;
    font-weight: 600;
}

.pricing-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: calc(var(--spacing-unit) * 3);
    color: var(--text-dark);
}

.price {
    margin-bottom: calc(var(--spacing-unit) * 4);
    display: flex;
    align-items: baseline;
    gap: calc(var(--spacing-unit) * 1);
}

.currency {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-dark);
}

.amount {
    font-size: 48px;
    font-weight: 800;
    color: var(--text-dark);
}

.period {
    font-size: 16px;
    color: var(--text-gray);
}

.pricing-features {
    list-style: none;
    margin-bottom: calc(var(--spacing-unit) * 4);
}

.pricing-features li {
    padding: calc(var(--spacing-unit) * 2) 0;
    border-bottom: 1px solid var(--border-gray);
    font-size: 15px;
    color: var(--text-dark);
}

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

.products {
    padding: calc(var(--spacing-unit) * 10) 0;
    background: var(--bg-light);
    text-align: center;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: calc(var(--spacing-unit) * 3);
}

.product-card {
    background: var(--bg-white);
    border: 1px solid var(--border-gray);
    border-radius: calc(var(--spacing-unit) * 2);
    padding: calc(var(--spacing-unit) * 4);
    text-align: center;
}

.product-icon {
    margin-bottom: calc(var(--spacing-unit) * 3);
    display: flex;
    justify-content: center;
}

.product-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: calc(var(--spacing-unit) * 2);
    color: var(--text-dark);
}

.product-card p {
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-gray);
    margin-bottom: calc(var(--spacing-unit) * 2);
}

.product-price {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary-indigo);
    margin-bottom: calc(var(--spacing-unit) * 3);
}

.product-btn {
    display: inline-block;
    padding: calc(var(--spacing-unit) * 1.5) calc(var(--spacing-unit) * 3);
    background: var(--primary-indigo);
    color: white;
    text-decoration: none;
    border-radius: calc(var(--spacing-unit) * 1);
    font-size: 14px;
    font-weight: 600;
}

.product-btn:hover {
    background: var(--dark-indigo);
}

.stats {
    padding: calc(var(--spacing-unit) * 10) 0;
    background: var(--primary-indigo);
    text-align: center;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: calc(var(--spacing-unit) * 4);
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 48px;
    font-weight: 800;
    color: white;
    margin-bottom: calc(var(--spacing-unit) * 1);
}

.stat-label {
    font-size: 16px;
    color: var(--soft-mint);
}

.cta-section {
    padding: calc(var(--spacing-unit) * 12) 0;
    background: linear-gradient(135deg, var(--soft-mint) 0%, var(--light-mint) 100%);
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: calc(var(--spacing-unit) * 3);
    color: var(--text-dark);
}

.cta-content p {
    font-size: 20px;
    color: var(--text-gray);
    margin-bottom: calc(var(--spacing-unit) * 5);
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: calc(var(--spacing-unit) * 2);
}

.contact {
    padding: calc(var(--spacing-unit) * 10) 0;
    background: var(--bg-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: calc(var(--spacing-unit) * 4);
}

.contact-item {
    text-align: center;
}

.contact-icon {
    margin-bottom: calc(var(--spacing-unit) * 2);
}

.contact-item h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: calc(var(--spacing-unit) * 2);
    color: var(--text-dark);
}

.contact-item p {
    font-size: 16px;
    color: var(--text-gray);
}

.contact-item a {
    color: var(--primary-indigo);
    text-decoration: none;
}

.contact-item a:hover {
    text-decoration: underline;
}

.footer {
    background: var(--text-dark);
    color: white;
    padding: calc(var(--spacing-unit) * 8) 0 calc(var(--spacing-unit) * 4) 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: calc(var(--spacing-unit) * 6);
    margin-bottom: calc(var(--spacing-unit) * 6);
}

.footer-brand .logo-group {
    margin-bottom: calc(var(--spacing-unit) * 2);
}

.footer-brand .brand-name {
    color: white;
}

.footer-tagline {
    font-size: 14px;
    color: var(--text-light);
    max-width: 280px;
}

.footer-column h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: calc(var(--spacing-unit) * 2);
    color: white;
}

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

.footer-column li {
    margin-bottom: calc(var(--spacing-unit) * 1);
}

.footer-column a {
    font-size: 14px;
    color: var(--text-light);
    text-decoration: none;
}

.footer-column a:hover {
    color: var(--soft-mint);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: calc(var(--spacing-unit) * 4);
    text-align: center;
}

.footer-bottom p {
    font-size: 14px;
    color: var(--text-light);
}

@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: calc(var(--spacing-unit) * 6);
    }

    .hero-content h1 {
        font-size: 40px;
    }

    .badge-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: calc(var(--spacing-unit) * 4);
    }
}

@media (max-width: 640px) {
    .hero-content h1 {
        font-size: 32px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .hero-cta {
        flex-direction: column;
    }

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

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

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

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

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

    .section-title {
        font-size: 32px;
    }

    .cta-content h2 {
        font-size: 32px;
    }

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