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

:root {
    --primary-color: #1a1a1a;
    --secondary-color: #333333;
    --accent-color: #0066cc;
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --background: #ffffff;
    --border-color: #e0e0e0;
    --spacing-unit: 8px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: calc(var(--spacing-unit) * 6) calc(var(--spacing-unit) * 3);
    flex: 1;
}

.header {
    text-align: center;
    margin-bottom: calc(var(--spacing-unit) * 10);
    padding-bottom: calc(var(--spacing-unit) * 6);
    border-bottom: 1px solid var(--border-color);
}

.logo-container {
    margin-bottom: calc(var(--spacing-unit) * 3);
}

.logo {
    width: 120px;
    height: 120px;
}

.title {
    font-size: 3rem;
    font-weight: 300;
    letter-spacing: -0.02em;
    margin-bottom: calc(var(--spacing-unit) * 2);
    color: var(--primary-color);
}

.tagline {
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--text-secondary);
    text-transform: lowercase;
    letter-spacing: 0.05em;
}

.content {
    max-width: 900px;
    margin: 0 auto;
}

.hero {
    text-align: center;
    margin-bottom: calc(var(--spacing-unit) * 10);
}

.hero-title {
    font-size: 2rem;
    font-weight: 400;
    margin-bottom: calc(var(--spacing-unit) * 3);
    color: var(--primary-color);
}

.hero-description {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: calc(var(--spacing-unit) * 6);
    margin-bottom: calc(var(--spacing-unit) * 10);
}

.feature-item {
    padding: calc(var(--spacing-unit) * 4);
    border: 1px solid var(--border-color);
    transition: border-color 0.3s ease;
}

.feature-item:hover {
    border-color: var(--accent-color);
}

.feature-item h3 {
    font-size: 1.125rem;
    font-weight: 500;
    margin-bottom: calc(var(--spacing-unit) * 2);
    color: var(--primary-color);
}

.feature-item p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.cta-section {
    text-align: center;
    padding: calc(var(--spacing-unit) * 8) 0;
}

.coming-soon {
    font-size: 1.5rem;
    font-weight: 300;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent-color);
}

.footer {
    background-color: var(--primary-color);
    color: #ffffff;
    padding: calc(var(--spacing-unit) * 6) calc(var(--spacing-unit) * 3);
    margin-top: auto;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.footer-title {
    font-size: 1.125rem;
    font-weight: 500;
    margin-bottom: calc(var(--spacing-unit) * 3);
}

.footer-address {
    font-style: normal;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
}

@media (max-width: 768px) {
    .title {
        font-size: 2rem;
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .hero-description {
        font-size: 1rem;
    }

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

    .container {
        padding: calc(var(--spacing-unit) * 4) calc(var(--spacing-unit) * 2);
    }
}

@media (max-width: 480px) {
    .title {
        font-size: 1.75rem;
    }

    .tagline {
        font-size: 1rem;
    }

    .logo {
        width: 80px;
        height: 80px;
    }
}