/* Mondrian - Piet Mondrian-style composition */

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

:root {
    --mondrian-red: #d40920;
    --mondrian-yellow: #f7d842;
    --mondrian-blue: #1356a2;
    --mondrian-black: #1a1a1a;
    --mondrian-white: #f5f5f0;
    --line-width: 8px;
}

body {
    min-height: 100vh;
    background: var(--mondrian-white);
    font-family: 'Helvetica Neue', Arial, sans-serif;
    display: flex;
    flex-direction: column;
}

.canvas {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.grid {
    display: grid;
    grid-template-columns: 2fr 1fr 3fr 1fr;
    grid-template-rows: 3fr 1fr 2fr 1fr;
    gap: var(--line-width);
    width: min(90vw, 800px);
    aspect-ratio: 4 / 4;
    background: var(--mondrian-black);
    padding: var(--line-width);
}

.cell {
    background: var(--mondrian-white);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    text-align: center;
    overflow: hidden;
}

/* Colored cells */
.cell-1 {
    grid-column: 1 / 2;
    grid-row: 1 / 2;
    background: var(--mondrian-red);
    color: var(--mondrian-white);
}

.cell-2 {
    grid-column: 2 / 4;
    grid-row: 1 / 2;
}

.cell-3 {
    grid-column: 4 / 5;
    grid-row: 1 / 3;
    background: var(--mondrian-yellow);
}

.cell-4 {
    grid-column: 1 / 2;
    grid-row: 2 / 3;
}

.cell-5 {
    grid-column: 2 / 3;
    grid-row: 2 / 4;
    background: var(--mondrian-blue);
    color: var(--mondrian-white);
}

.cell-6 {
    grid-column: 3 / 4;
    grid-row: 2 / 3;
}

.cell-7 {
    grid-column: 1 / 2;
    grid-row: 3 / 5;
}

.cell-8 {
    grid-column: 3 / 4;
    grid-row: 3 / 4;
    background: var(--mondrian-red);
}

.cell-9 {
    grid-column: 4 / 5;
    grid-row: 3 / 4;
}

.cell-10 {
    grid-column: 2 / 3;
    grid-row: 4 / 5;
    background: var(--mondrian-yellow);
}

.cell-11 {
    grid-column: 3 / 4;
    grid-row: 4 / 5;
}

.cell-12 {
    grid-column: 4 / 5;
    grid-row: 4 / 5;
    background: var(--mondrian-blue);
    color: var(--mondrian-white);
}

/* Typography */
h1 {
    font-size: clamp(1.5rem, 4vw, 3rem);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

h2 {
    font-size: clamp(0.8rem, 2vw, 1.2rem);
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    writing-mode: vertical-rl;
    text-orientation: mixed;
}

p {
    font-size: clamp(0.7rem, 1.5vw, 1rem);
    font-weight: 300;
    letter-spacing: 0.05em;
}

.quote {
    font-style: italic;
    font-size: clamp(0.6rem, 1.2vw, 0.9rem);
    line-height: 1.6;
    color: var(--mondrian-black);
}

span {
    font-size: clamp(0.6rem, 1vw, 0.8rem);
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.2em;
}

footer {
    text-align: center;
    padding: 1.5rem;
    font-size: 0.75rem;
    color: var(--mondrian-black);
    opacity: 0.6;
    letter-spacing: 0.1em;
}

/* Responsive adjustments */
@media (max-width: 600px) {
    :root {
        --line-width: 5px;
    }

    .canvas {
        padding: 1rem;
    }

    .cell {
        padding: 0.5rem;
    }

    h2 {
        writing-mode: horizontal-tb;
    }
}

/* Subtle animation on hover */
@media (hover: hover) {
    .cell {
        transition: filter 0.3s ease;
    }

    .cell:hover {
        filter: brightness(1.05);
    }
}