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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: #000000;
    color: #FFFFFF;
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Particle Network Canvas */
#particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* Ensure all content is above the canvas */
body > *:not(#particle-canvas) {
    position: relative;
    z-index: 1;
}

/* Announcement Bar */
.announcement-bar {
    background: #6366F1;
    color: #FFFFFF;
    text-align: center;
    padding: 16px 0;
    font-size: 13px;
    font-weight: 500;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

/* Hero Section */
.hero {
    background: #000000;
    padding: 120px 40px;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
}

.hero-headline {
    font-size: 64px;
    font-weight: 700;
    color: #FFFFFF;
    max-width: 1000px;
    line-height: 1.1;
}

.hero-subline {
    font-size: 20px;
    color: #A1A1AA;
    max-width: 900px;
    line-height: 1.5;
}

.hero-ctas {
    display: flex;
    gap: 16px;
    margin-top: 8px;
}

.btn-primary {
    background: #6366F1;
    color: #FFFFFF;
    border: none;
    padding: 20px 40px;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    box-shadow: 0 6px 30px rgba(99, 102, 241, 0.6);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: #6366F1;
    border: 2px solid #FFFFFF;
    padding: 18px 36px;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    box-shadow: 0 4px 16px rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

/* Trust Bar */
.trust-bar {
    background: #000000;
    padding: 60px 40px;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.trust-label {
    font-size: 12px;
    font-weight: 600;
    color: #71717A;
    letter-spacing: 0.1em;
}

.trust-logos {
    display: flex;
    gap: 48px;
    flex-wrap: wrap;
    justify-content: center;
}

.trust-logo {
    background: #18181B;
    border: 1px solid #27272A;
    border-radius: 6px;
    width: 120px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    color: #A1A1AA;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

/* Problem Section */
.problem-section {
    background: #FAFAFA;
    padding: 100px 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.section-headline {
    font-size: 56px;
    font-weight: 700;
    color: #0F172A;
    text-align: center;
    margin-bottom: 60px;
}

.section-headline.white {
    color: #FFFFFF;
}

.section-subline {
    font-size: 20px;
    color: #A1A1AA;
    text-align: center;
    margin-bottom: 60px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.problem-card {
    background: #FFFFFF;
    border: 1px solid #E4E4E7;
    border-radius: 12px;
    padding: 32px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.problem-icon {
    width: 56px;
    height: 56px;
    background: #FEE2E2;
    border-radius: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    box-shadow: 0 0 16px rgba(220, 38, 38, 0.4);
}

.problem-card h3 {
    font-size: 22px;
    font-weight: 600;
    color: #0F172A;
}

.problem-card p {
    font-size: 16px;
    color: #64748B;
    line-height: 1.5;
}

/* System Section */
.system-section {
    background: #000000;
    padding: 100px 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.comparison-card {
    background: #18181B;
    border: 2px solid #27272A;
    border-radius: 16px;
    padding: 48px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.comparison-card.datavint {
    background: #6366F1;
    border: none;
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.5);
}

.comparison-label {
    font-size: 24px;
    font-weight: 700;
    color: #71717A;
}

.comparison-label.white {
    color: #FFFFFF;
}

.comparison-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.comparison-list li {
    font-size: 16px;
    color: #A1A1AA;
    font-weight: 400;
}

.comparison-list.datavint li {
    color: #E0E7FF;
    font-weight: 500;
}

/* Integration Section */
.integration-section {
    background: #000000;
    padding: 100px 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.tech-stack {
    display: flex;
    flex-direction: column;
    gap: 32px;
    margin-top: 60px;
}

.stack-label {
    font-size: 14px;
    font-weight: 600;
    color: #71717A;
    text-align: center;
    letter-spacing: 0.05em;
}

.tech-logos {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
}

.tech-logo {
    background: transparent;
    border: none;
    border-radius: 12px;
    width: 140px;
    height: 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 20px;
    transition: all 0.3s ease;
}

.tech-logo:hover {
    transform: translateY(-8px);
}

.tech-logo-img {
    width: 70px;
    height: 70px;
    object-fit: contain;
    filter: brightness(1.1) drop-shadow(0 4px 12px rgba(99, 102, 241, 0.3));
    transition: all 0.3s ease;
}

.tech-logo:hover .tech-logo-img {
    filter: brightness(1.3) drop-shadow(0 8px 24px rgba(99, 102, 241, 0.6));
    transform: scale(1.15);
}

.tech-logo span {
    font-size: 14px;
    font-weight: 600;
    color: #A1A1AA;
    transition: all 0.3s ease;
}

.tech-logo:hover span {
    color: #E4E4E7;
}

/* Testimonial Section */
.testimonial-section {
    background: #000000;
    padding: 100px 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 24px;
    margin-top: 60px;
}

.testimonial-card {
    background: #18181B;
    border: 2px solid #27272A;
    border-radius: 16px;
    padding: 32px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.testimonial-quote {
    font-size: 16px;
    color: #E4E4E7;
    line-height: 1.6;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.author-name {
    font-size: 16px;
    font-weight: 600;
    color: #FFFFFF;
}

.author-title {
    font-size: 14px;
    color: #A1A1AA;
}

/* Validation Pipeline Section */
.validation-section {
    background: #FAFAFA;
    padding: 100px 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.workflow-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 60px;
}

.workflow-card {
    background: #FFFFFF;
    border: 2px solid #E4E4E7;
    border-radius: 16px;
    padding: 32px;
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.15);
    display: flex;
    flex-direction: column;
    gap: 20px;
    transition: all 0.3s ease;
}

.workflow-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(99, 102, 241, 0.25);
}

.workflow-number {
    width: 44px;
    height: 44px;
    background: #6366F1;
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: 700;
    color: #FFFFFF;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.6);
}

.workflow-card h3 {
    font-size: 22px;
    font-weight: 700;
    color: #0F172A;
}

.workflow-card p {
    font-size: 16px;
    color: #64748B;
    line-height: 1.5;
}

/* Results Section */
.results-section {
    background: #FAFAFA;
    padding: 100px 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.metrics-card {
    background: #FFFFFF;
    border: 2px solid #E4E4E7;
    border-radius: 20px;
    padding: 48px;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
    display: flex;
    justify-content: space-around;
    gap: 48px;
    margin-top: 60px;
}

.metric {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    flex: 1;
}

.metric-value {
    font-size: 64px;
    font-weight: 700;
    text-align: center;
}

.metric-value.negative {
    color: #DC2626;
}

.metric-value.positive {
    color: #10B981;
}

.metric-label {
    font-size: 15px;
    font-weight: 500;
    color: #64748B;
    text-align: center;
}

.metric-detail {
    font-size: 13px;
    color: #94A3B8;
    text-align: center;
}

/* CTA Section */
.cta-section {
    background: #6366F1;
    padding: 100px 40px;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.3);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
}

.cta-headline {
    font-size: 52px;
    font-weight: 700;
    color: #FFFFFF;
}

.cta-subline {
    font-size: 18px;
    color: #E0E7FF;
    max-width: 700px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
}

.btn-cta-primary {
    background: #FFFFFF;
    color: #6366F1;
    border: none;
    padding: 20px 40px;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(255, 255, 255, 0.5);
    transition: all 0.3s ease;
}

.btn-cta-primary:hover {
    box-shadow: 0 6px 30px rgba(255, 255, 255, 0.7);
    transform: translateY(-2px);
}

.btn-cta-secondary {
    background: transparent;
    color: #FFFFFF;
    border: 2px solid #FFFFFF;
    padding: 20px 40px;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.btn-cta-secondary:hover {
    box-shadow: 0 6px 24px rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

/* Footer */
.footer {
    background: #000000;
    padding: 80px 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 100px;
}

.footer-brand h3 {
    font-size: 32px;
    font-weight: 700;
    color: #FFFFFF;
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 16px;
    color: #94A3B8;
}

.footer-links {
    display: flex;
    gap: 60px;
}

.footer-column {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-column h4 {
    font-size: 14px;
    font-weight: 600;
    color: #FFFFFF;
}

.footer-column a {
    font-size: 14px;
    color: #CBD5E1;
    text-decoration: none;
    transition: color 0.2s ease;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .hero-headline {
        font-size: 40px;
    }

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

    .section-headline {
        font-size: 36px;
    }

    .section-subline {
        font-size: 16px;
    }

    .hero-ctas,
    .cta-buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn-primary,
    .btn-secondary,
    .btn-cta-primary,
    .btn-cta-secondary {
        width: 100%;
    }

    .problem-grid,
    .comparison-grid,
    .workflow-grid,
    .testimonial-grid {
        grid-template-columns: 1fr;
    }

    .tech-logos {
        justify-content: center;
    }

    .metrics-card {
        flex-direction: column;
        padding: 32px;
    }

    .footer-content {
        flex-direction: column;
        gap: 40px;
    }

    .trust-logos {
        gap: 24px;
    }

    .cta-headline {
        font-size: 36px;
    }
}