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

body {
    margin: 0;
    font-family: 'Arial', sans-serif;
    background-color: #121212;
    color: #fff;
}

header {
    background-color: #1a1a1a;
    padding: 1.25rem 2.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    color: #e63946;
    margin: 0;
    font-size: 2rem;
}

.navbar-nav {
    list-style: none;
    display: flex;
    gap: 1.56rem;
    margin: 0;
    padding: 0;
}

.nav-link {
    color: #fff;
    text-decoration: none;
    font-weight: 600;
}

footer {
    background-color: #1a1a1a;
    padding: 2.5rem 1.25rem;
    color: #fff;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

main {
    padding: 2.5rem 1.25rem;
    max-width: 75rem;
    margin: 0 auto;
}

main h1 {
    text-align: center;
    margin-bottom: 1.25rem;
}

main > p {
    text-align: center;
    max-width: 43.75rem;
    margin: 0 auto 2.5rem auto;
    color: #555;
}

.card-training {
    width: 18.75rem;
    height: 20rem;
    background-color: #000;
    border-radius: 0.75rem;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.card-img {
    width: 100%;
    height: 15rem;
    object-fit: cover;
    background-color: #000;
    flex-shrink: 0;
}

.card-content {
    background-color: #ea372a;
    color: #000;
    text-align: center;
    padding: 0.9375rem 0.625rem;
    font-weight: 600;
    flex: 1;
}

.card-training:hover {
    transform: translateY(-0.5rem);
    box-shadow: 0 0.5rem 1.5625rem rgba(0,0,0,0.5);
}

.training-container {
    display: flex;
    justify-content: space-between;
    gap: 1.25rem;
    margin: auto;
}

.card-exercise {
    display: block;
    text-decoration: none;
    color: inherit;
}