:root {
    --color-background: #ffffff;
    --color-text: #1a1a1f;
    --color-accent: #b3e7ff;
    --color-circle: #1a1a1f;
    --color-circle-outline: #1a1a1f;
    --color-circle-fill: #ffffff;
    --max-width: 960px;
    --circle-size: 14px;
    --circle-gap: 12px;
    --font-size-title: clamp(2.5rem, 6vw, 4rem);
    --font-size-subtitle: clamp(1rem, 2.5vw, 1.25rem);
    --spacing-large: clamp(2rem, 8vw, 4rem);
    --spacing-medium: clamp(1.5rem, 4vw, 2rem);
}

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

body {
    font-family: 'Cardo', serif;
    background-color: var(--color-background);
    color: var(--color-text);
    line-height: 1.4;
    font-weight: 400;
    letter-spacing: 0.02em;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 15px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
}

.header {
    text-align: left;
    margin-bottom: var(--spacing-large);
}

.title {
    font-family: 'Manrope', sans-serif;
    font-size: var(--font-size-title);
    font-weight: 700;
    letter-spacing: -0.0183em;
    margin-bottom: var(--spacing-medium);
    text-transform: uppercase;
}

.subtitle {
    font-size: var(--font-size-subtitle);
    font-weight: 300;
    letter-spacing: -0.0183em;
    text-align: left;
}

.subtitle span {
    display: inline-block;
    background: var(--color-accent);
    padding: 1px 5px;
    text-align: left;
}

.main {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    flex: 1;
    width: 100%;
}

.circle-grid {
    display: grid;
    grid-template-columns: repeat(8, var(--circle-size));
    grid-template-rows: repeat(8, var(--circle-size));
    gap: var(--circle-gap);
    justify-content: center;
    align-items: center;
}

.footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--color-background);
    font-family: 'Manrope', sans-serif;
    font-weight: 200;
    font-size: 0.75rem;
    color: var(--color-text);
    opacity: 0.7;
    z-index: 10;
}

.footer-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 1rem;
}

.footer p {
    margin: 0;
    font-style: italic;
}

.circle {
    width: var(--circle-size);
    height: var(--circle-size);
    background-color: var(--color-circle-fill);
    border: 1px solid var(--color-circle-outline);
    border-radius: 50%;
    transition: transform 0.2s ease;
}

.circle--filled {
    background-color: var(--color-circle);
    border: none;
}

.circle--blue {
    background-color: var(--color-accent);
    border: 1px solid var(--color-accent);
}

@media (max-width: 768px) {
    .container {
        padding: 2rem 1rem;
    }
    
    .circle-grid {
        gap: clamp(4px, 1.5vw, 8px);
    }
    
    .title {
        font-size: clamp(3rem, 7vw, 4rem);
    }
    
    .subtitle {
        font-size: clamp(1.125rem, 3vw, 1.25rem);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 1.5rem 0.75rem;
    }
    
    .header {
        margin-bottom: 2rem;
    }
    
    .title {
        font-size: clamp(2.75rem, 8vw, 4rem);
    }
    
    .subtitle {
        font-size: clamp(1.25rem, 4vw, 1.5rem);
    }
}

@media (prefers-reduced-motion: reduce) {
    .circle {
        transition: none;
    }
}