:root {
    --color-primary: #ff001a;
    --color-primary-dark: #d91529;

    /* Paleta de colores */
    --blue: #007bff;
    --indigo: #6610f2;
    --purple: #6f42c1;
    --pink: #e83e8c;
    --red: #dc3545;
    --orange: #fd7e14;
    --yellow: #ffc107;
    --green: #28a745;
    --teal: #20c997;
    --cyan: #17a2b8;
    --white: #fff;
    --gray: #6c757d;
    --gray-dark: #343a40;
    --light: #f8f9fa;
    --dark: #343a40;

    /* Tipografía */
    --font-family-sans-serif: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
}

body {
    font-family: var(--font-family-sans-serif);
    background-color: var(--light);
    margin: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.content {
    flex: 1;
    width: 90%;
    max-width: 800px;
    margin: 20px auto;
    padding: 20px;
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

h1, h2 {
    text-align: center;
    color: white;
}

nav {
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-dark));
    padding: 15px;
    text-align: center;
}

nav a {
    color: var(--white);
    text-decoration: none;
    margin: 15px;
    font-size: 18px;
    font-weight: bold;
}

nav a:hover {
    color: var(--yellow);
}

ul {
    padding-left: 20px;
}

.deporte-box {
    background-color: var(--light);
    border: 1px solid var(--gray);
    border-radius: 8px;
    padding: 15px;
    margin: 10px auto;
    text-align: center;
}

.deporte-box .btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: var(--color-primary);
    color: var(--white);
    text-decoration: none;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.deporte-box .btn:hover {
    background-color: var(--yellow);
    color: var(--color-primary-dark);
}