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

:root {
    --color-text: #0f172a;
    --color-text-secondary: #475569;
    --color-text-muted: #64748b;
    --color-border: #e2e8f0;
    --color-bg: #ffffff;
    --color-bg-subtle: #f8fafc;
    --color-bg-dark: #0f172a;
    --color-primary: #0f172a;
    --color-primary-hover: #1e293b;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
}

/* Navigation */
.nav {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--color-border);
    z-index: 100;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.nav-cta {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

.nav-cta:hover {
    color: var(--color-text);
}

/* Buttons */
.btn {
    display: inline-block;
    text-decoration: none;
    font-weight: 500;
    border-radius: 8px;
    transition: all 0.2s;
    cursor: pointer;
}

.btn-primary {
    background: var(--color-primary);
    color: #ffffff;
    padding: 12px 24px;
    font-size: 0.9375rem;
}

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

.btn-large {
    padding: 16px 32px;
    font-size: 1rem;
}

/* Hero */
.hero {
    padding: 100px 24px 120px;
    text-align: center;
}

.hero-container {
    max-width: 720px;
    margin: 0 auto;
}

.hero-eyebrow {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 16px;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
    color: var(--color-text);
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    max-width: 560px;
    margin: 0 auto 40px;
}

/* Features */
.features {
    padding: 100px 24px;
    background: var(--color-bg-subtle);
}

.features-container {
    max-width: 1100px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    max-width: 540px;
    margin: 0 auto 64px;
}

.section-header h2 {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 32px;
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--color-bg-subtle);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-text);
}

.feature-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 8px;
    letter-spacing: -0.01em;
}

.feature-card p {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* Approach */
.approach {
    padding: 100px 24px;
}

.approach-container {
    max-width: 800px;
    margin: 0 auto;
}

.approach-content h2 {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.approach-lead {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 48px;
    max-width: 600px;
}

.approach-points {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.approach-point {
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

.point-number {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-muted);
    flex-shrink: 0;
    width: 32px;
}

.approach-point h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.approach-point p {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

/* CTA Section */
.cta-section {
    padding: 100px 24px;
    background: var(--color-bg-dark);
    text-align: center;
}

.cta-container {
    max-width: 600px;
    margin: 0 auto;
}

.cta-section h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.cta-section p {
    font-size: 1.125rem;
    color: #94a3b8;
    margin-bottom: 40px;
}

.cta-section .btn-primary {
    background: #ffffff;
    color: var(--color-text);
}

.cta-section .btn-primary:hover {
    background: #f1f5f9;
}

/* Footer */
.footer {
    border-top: 1px solid var(--color-border);
    padding: 48px 24px;
}

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

.footer-logo {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

.footer-tagline {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-top: 4px;
}

.footer-legal p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* Responsive */
@media (max-width: 900px) {
    .features-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 64px 24px 80px;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .features,
    .approach,
    .cta-section {
        padding: 64px 24px;
    }

    .section-header h2,
    .approach-content h2 {
        font-size: 1.75rem;
    }

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

    .footer-container {
        flex-direction: column;
        text-align: center;
        gap: 24px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }

    .approach-point {
        flex-direction: column;
        gap: 8px;
    }

    .point-number {
        width: auto;
    }
}