/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-text: #1a1a1a;
    --color-text-light: #666;
    --color-bg: #ffffff;
    --color-border: #e0e0e0;
    --font-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-serif: "Georgia", "Times New Roman", serif;
    --spacing-unit: 1rem;
}

body {
    font-family: var(--font-primary);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    font-size: 18px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 4rem 0;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 300;
    letter-spacing: -0.02em;
    margin-bottom: 3rem;
    line-height: 1.3;
}

.hero .subtitle {
    font-size: 1.25rem;
    color: var(--color-text-light);
    font-weight: 300;
    line-height: 1.8;
}

.hero .subtitle p {
    margin: 0;
}

/* Philosophy Section */
.philosophy {
    padding: 8rem 0;
    text-align: center;
}

.philosophy-description {
    max-width: 700px;
    margin: 0 auto;
}

.philosophy-description p {
    font-size: 1.2rem;
    color: var(--color-text);
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

/* Anti-features Section */
.anti-features {
    padding: 8rem 0;
    background-color: #fafafa;
}

.anti-features h2 {
    font-size: 2rem;
    font-weight: 300;
    text-align: center;
    margin-bottom: 3rem;
    letter-spacing: -0.01em;
}

.anti-list {
    list-style: none;
    text-align: center;
    margin-bottom: 3rem;
}

.anti-list li {
    font-size: 1.25rem;
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
    font-weight: 300;
}

.anti-note {
    text-align: center;
    font-size: 1.1rem;
    color: var(--color-text);
    margin-top: 3rem;
}

/* Who This Is For Section */
.who-section {
    padding: 8rem 0;
}

.who-section h2 {
    font-size: 2rem;
    font-weight: 300;
    text-align: center;
    margin-bottom: 3rem;
    letter-spacing: -0.01em;
}

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

.who-description > p {
    font-size: 1.2rem;
    color: var(--color-text);
    margin-bottom: 2rem;
}

.who-list {
    list-style: none;
    text-align: left;
    margin: 0 auto 3rem;
    max-width: 600px;
}

.who-list li {
    font-size: 1.1rem;
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
    position: relative;
    line-height: 1.6;
}

.who-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--color-text-light);
}

.who-note {
    font-size: 1.1rem;
    color: var(--color-text);
    font-style: italic;
    margin-top: 3rem;
}

/* CTA Section */
.cta {
    padding: 8rem 0;
    text-align: center;
    background-color: #fafafa;
}

.cta-button {
    display: inline-block;
    padding: 1rem 3rem;
    font-size: 1.1rem;
    color: var(--color-text);
    text-decoration: none;
    border: 1px solid var(--color-text);
    transition: all 0.3s ease;
    font-weight: 300;
    letter-spacing: 0.02em;
    margin-bottom: 1.5rem;
}

.cta-button:hover {
    background-color: var(--color-text);
    color: var(--color-bg);
}

.cta-description {
    font-size: 1rem;
    color: var(--color-text-light);
    margin-top: 1.5rem;
}

/* Footer */
footer {
    padding: 4rem 0;
    text-align: center;
    border-top: 1px solid var(--color-border);
}

footer p {
    font-size: 0.95rem;
    color: var(--color-text-light);
    font-weight: 300;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

    .hero .subtitle {
        font-size: 1.1rem;
    }

    .philosophy-description p {
        font-size: 1.1rem;
    }

    .anti-features h2,
    .who-section h2 {
        font-size: 1.5rem;
    }

    .anti-list li {
        font-size: 1.1rem;
    }

    .who-list li {
        font-size: 1rem;
    }

    .container {
        padding: 0 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.75rem;
    }

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

    .philosophy-description p {
        font-size: 1rem;
    }

    .anti-features h2,
    .who-section h2 {
        font-size: 1.3rem;
    }

    .anti-list li,
    .who-list li {
        font-size: 1rem;
    }
}