:root {
    --black: #0b0b0b;
    --white: #ffffff;
    --orange: #ff6a00;
    --gray: #1a1a1a;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: Arial, Helvetica, sans-serif;
}

body {
    background: var(--black);
    color: var(--white);
}

header {
    padding: 30px 20px;
    text-align: center;
    border-bottom: 2px solid var(--orange);
}

h1 {
    color: var(--orange);
    letter-spacing: 2px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    padding: 40px 20px;
}

.card {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 120px;
    text-decoration: none;
    color: var(--white);
    border: 2px solid var(--orange);
    font-size: 20px;
    font-weight: bold;
    transition: 0.2s;
    background: var(--gray);
}

.card:hover {
    background: var(--orange);
    color: var(--black);
}

footer {
    text-align: center;
    padding: 20px;
    border-top: 1px solid #333;
    font-size: 14px;
}

.ask-btn {
    margin-top: 40px;
    padding: 15px 25px;
    background: var(--orange);
    color: var(--black);
    border: none;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    width: 100%;
}

.ask-btn:hover {
    opacity: 0.85;
}