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

:root {
    --black: #000000;
    --gray: #666666;
    --light-gray: #f5f5f5;
    --white: #ffffff;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--black);
    background: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Navigation */
.navbar {
    padding: 2rem 4rem;
    border-bottom: 1px solid #e5e5e5;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 300;
    letter-spacing: -0.02em;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 3rem;
}

.nav-menu a {
    text-decoration: none;
    color: var(--gray);
    font-weight: 400;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: var(--black);
}

/* Hero Section */
.hero {
    padding: 8rem 4rem;
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-container {
    max-width: 900px;
    text-align: center;
}

.hero-title {
    font-size: 5rem;
    font-weight: 300;
    line-height: 1.1;
    margin-bottom: 2rem;
    letter-spacing: -0.03em;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray);
    font-weight: 300;
    line-height: 1.8;
    max-width: 600px;
    margin: 0 auto;
}

/* Content Section */
.content {
    padding: 4rem 4rem 6rem;
    background: var(--light-gray);
}

.content-container {
    max-width: 1400px;
    margin: 0 auto;
}

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

.content-block {
    padding: 3rem 0;
    border-top: 1px solid #d5d5d5;
}

.block-number {
    font-size: 0.85rem;
    color: var(--gray);
    margin-bottom: 1rem;
    font-weight: 400;
}

.content-block h3 {
    font-size: 2rem;
    font-weight: 400;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.content-block p {
    font-size: 1rem;
    color: var(--gray);
    line-height: 1.7;
    font-weight: 300;
}

/* Footer */
.footer {
    padding: 3rem 4rem;
    border-top: 1px solid #e5e5e5;
    text-align: center;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
}

.footer p {
    color: var(--gray);
    font-size: 0.9rem;
    font-weight: 300;
}

/* Responsive */
@media (max-width: 768px) {
    .navbar {
        padding: 1.5rem 2rem;
    }
    
    .hero {
        padding: 5rem 2rem;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .content {
        padding: 3rem 2rem;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .nav-menu {
        display: none;
    }
}