:root {
    --ink: #1A1A1A;
    --ink-mid: #2A2A2A;
    --gray: #5A5A5A;
    --gray-light: #8A8A8A;
    --silver: #C0C0C0;
    --bg: #F5F3F0;
    --paper: #F0F0F0;
    --red: #D44030;
}

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

body {
    background: var(--bg);
    color: var(--ink-mid);
    font-family: 'IBM Plex Sans', sans-serif;
    font-size: 16px;
    line-height: 1.65;
    overflow-x: hidden;
}

/* Grid container */
.grid-container {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 24px 120px;
}

/* Block base */
.block {
    position: relative;
    padding: 28px 32px;
}

/* Title block */
.block-title {
    padding: 40px 32px 24px;
}

.display-title {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: clamp(2rem, 4vw, 3.5rem);
    letter-spacing: -0.02em;
    color: var(--ink);
    line-height: 1;
}

/* Subtitle */
.block-sub {
    padding: 16px 32px;
}

/* Content blocks */
.block-content {
    background: var(--paper);
    border-left: 3px solid var(--ink);
}

.section-heading {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 20px;
    letter-spacing: -0.01em;
    color: var(--ink);
    margin-bottom: 12px;
}

.body-text {
    font-family: 'IBM Plex Sans', sans-serif;
    font-weight: 400;
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--ink-mid);
}

.body-text.small {
    font-size: 0.85rem;
    color: var(--gray);
}

/* Accent block (dark) */
.block-accent {
    background: var(--ink);
    padding: 24px 28px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.mono-text {
    font-family: 'Space Mono', monospace;
    font-weight: 400;
    font-size: 13px;
    letter-spacing: 0.02em;
    color: var(--silver);
}

/* Red accent block */
.block-red {
    background: var(--red);
    padding: 24px 28px;
}

.red-text {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 18px;
    color: #FFFFFF;
    line-height: 1.5;
}

/* Side block */
.block-side {
    border: 1px solid var(--silver);
    background: transparent;
}

/* Footer */
.block-footer {
    text-align: center;
    padding: 32px;
}

.footer-domain {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 24px;
    letter-spacing: -0.02em;
    color: var(--ink);
}

/* Displacement labels */
.displacement-label {
    position: absolute;
    bottom: 6px;
    right: 10px;
    font-family: 'Space Mono', monospace;
    font-weight: 400;
    font-size: 10px;
    letter-spacing: 0.04em;
    color: var(--gray-light);
}

.displacement-label.light {
    color: rgba(255, 255, 255, 0.5);
}

/* Interrupted rules */
.interrupted-rule {
    border: none;
    height: 1px;
    background: var(--silver);
    align-self: center;
}

.rule-short {
    background: var(--gray-light);
}

/* No animation. The lurch is frozen. */

/* Mobile */
@media (max-width: 768px) {
    .grid-container {
        display: block;
        padding: 40px 20px 60px;
    }

    .block {
        margin-bottom: 24px;
    }

    .interrupted-rule {
        margin: 16px 0;
    }
}