:root {
    --button-shadow-color: #22d3ee40;
    --cyan-color: #007979;
    --button-color: #22d3ee;
    --primary-text-color: #e5e7eb;
    --dark-gray-color: #94a3b81f;
}

body {
    margin: 0;
    font-family: ui-sans-serif, Helvetica Neue;
    background: linear-gradient(45deg, black, var(--cyan-color), black, var(--cyan-color), black);
    color: var(--primary-text-color);
}

.navbar {
    display: flex;
    background-color: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(.2rem);
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 0 1rem 0;
}

.navbar .app-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar .app-label img {
    max-width: 2.5rem;
}

.navbar .menu {
    display: flex;
    list-style-type: none;
    gap: 10px;
}

.navbar .menu a {
    text-decoration: none;
    color: gray;
    transition: transform 0.2s ease;
}

.navbar .menu a:hover {
    color: var(--cyan-color);
    transform: scale(1.1);
}

.navbar .burger-menu {
    display: none;
    cursor: pointer;
}

.navbar .burger-menu-item {
    width: 1.5rem;
    height: .15rem;
    background-color: var(--primary-text-color);
    margin: .3rem 0;
    border-radius: 1rem;
    transition: 0.4s;
}

.open .burger-menu-item.one {
    transform: translate(0, 7px) rotate(-45deg);
}

.open .burger-menu-item.two {
    opacity: 0;
}

.open .burger-menu-item.tree {
    transform: translate(0, -7px) rotate(45deg);
}

.card-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media (max-width: 750px) {
    .navbar .menu {
        display: none;
        flex-direction: column;
        width: 100%;
        align-items: center;
        padding: 1rem 0;
    }

    .navbar .menu.open {
        display: flex;
    }

    .navbar .burger-menu {
        display: block;
    }

    .card-list {
        grid-template-columns: 1fr;
    }
}

section {
    padding: 3rem;
}

.badge {
    display: inline-block;
    padding: .35rem .6rem;
    border: 1px solid var(--button-color);
    border-radius: 1rem;
}

.badge-list {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
}

.spacing-block {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    padding: 2rem 0 2rem 0;
    gap: 2rem;
}

.image {
    display: flex;
    justify-content: center;
    
    max-width: 300px;
}

.image img {
    min-width: 100%;
    min-height: 100%;
    object-fit: contain;

    border-radius: 1rem;    
    box-shadow: 0 10px 25px black;
}

.card {
    padding: 1.2rem;
    background: linear-gradient(180deg, rgba(15, 23, 42, .9), rgba(15, 23, 42, .7));
    border: 1px solid var(--dark-gray-color);
    border-radius: 1rem;
}

.icon {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 2.5rem;
    height: 2.5rem;
    background: rgba(34, 211, 238, .12);
    border: 1px solid var(--button-shadow-color);
    border-radius: .5rem;
}

.button {
    display: inline-flex;
    background: var(--button-color);
    border-radius: 1rem;
    padding: 1rem;
    box-shadow: 0 8px 18px var(--button-shadow-color);
    font-weight: 700;
    letter-spacing: .02rem;
}

.button:hover {
    transform: translateY(-1px);
    box-shadow: 0 12px 26px var(--button-shadow-color);
}

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

.footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap-reverse;
    margin: 1rem 3rem;
}

#languages {
    background: none;
    border: none;
    color: var(--primary-text-color);
}

#languages:focus {
    outline: none;
}