:root {
    --bg-color: #000000;
    --text-color: #ffffff;
    --border-color: #ffffff;
    --shadow-color: #ffffff;
    --shadow-offset: 6px;
    --border-width: 4px;
}

body.light-mode {
    --bg-color: #ffffff;
    --text-color: #000000;
    --border-color: #000000;
    --shadow-color: #000000;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'VT323', monospace;
    font-size: 24px;
    line-height: 1.4;
    transition: background-color 0.1s steps(2), color 0.1s steps(2);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: inherit;
    text-decoration: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
    width: 100%;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 60px;
    border-bottom: var(--border-width) solid var(--border-color);
    padding-bottom: 20px;
}

h1 {
    font-size: 4rem;
    text-transform: uppercase;
    letter-spacing: -2px;
}

/* Button */
button {
    background: var(--bg-color);
    color: var(--text-color);
    border: var(--border-width) solid var(--border-color);
    font-family: inherit;
    font-size: 1.5rem;
    padding: 10px 20px;
    cursor: pointer;
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--shadow-color);
    transition: transform 0.1s steps(2), box-shadow 0.1s steps(2);
    text-transform: uppercase;
}

button:active {
    transform: translate(var(--shadow-offset), var(--shadow-offset));
    box-shadow: 0 0 0 var(--shadow-color);
}

button:focus {
    outline: 2px dashed var(--text-color);
    outline-offset: 4px;
}

/* Grid */
.grid-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    max-width: 800px;
    margin: 0 auto;
}

/* Cards */
.card {
    display: block;
    border: var(--border-width) solid var(--border-color);
    padding: 24px;
    background: var(--bg-color);
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--shadow-color);
    transition: transform 0.1s steps(2), box-shadow 0.1s steps(2);
}

.card:hover {
    transform: translate(-3px, -3px);
    box-shadow: calc(var(--shadow-offset) + 3px) calc(var(--shadow-offset) + 3px) 0 var(--shadow-color);
}

.card:active {
    transform: translate(var(--shadow-offset), var(--shadow-offset));
    box-shadow: 0 0 0 var(--shadow-color);
}

.card h2 {
    font-size: 2rem;
    margin-bottom: 12px;
    text-transform: uppercase;
}

.card p {
    font-size: 1.2rem;
    opacity: 0.8;
}

/* Footer */
footer {
    margin-top: auto;
    padding-top: 60px;
    text-align: center;
    font-size: 1rem;
    opacity: 0.7;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Mobile Adjustments */
@media (max-width: 600px) {
    h1 {
        font-size: 2.5rem;
    }

    .grid-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    header {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}