:root {
    --d: 700ms;
    --e: cubic-bezier(0.19, 1, 0.22, 1);
}

.grid {
    display: grid;
    grid-gap: 1rem;
    padding: 1rem;
    max-width: 1024px;
    margin: 0 auto;
}
@media (min-width: 600px) {
    .grid {
        grid-template-columns: repeat(2, 1fr);
   }
}
@media (min-width: 800px) {
    .grid {
        grid-template-columns: repeat(4, 1fr);
   }
}
.card {
    position: relative;
    display: flex;
    align-items: flex-end;
    overflow: hidden;
    padding: 1rem;
    width: 100%;
    text-align: center;
    color: whitesmoke;
    background-color: whitesmoke;
    box-shadow: 0 1px 1px rgba(0, 0, 0, 0.1), 0 2px 2px rgba(0, 0, 0, 0.1), 0 4px 4px rgba(0, 0, 0, 0.1), 0 8px 8px rgba(0, 0, 0, 0.1), 0 16px 16px rgba(0, 0, 0, 0.1);
}
@media (min-width: 600px) {
    .card {
        height: 350px;
   }
}
.card:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 110%;
    background-size: cover;
    background-position: 0 0;
    transition: transform calc(var(--d) * 1.5) var(--e);
    pointer-events: none;
}
.card:after {
    content: '';
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 200%;
    pointer-events: none;
    background-image: linear-gradient(to bottom, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.009) 11.7%, rgba(0, 0, 0, 0.034) 22.1%, rgba(0, 0, 0, 0.072) 31.2%, rgba(0, 0, 0, 0.123) 39.4%, rgba(0, 0, 0, 0.182) 46.6%, rgba(0, 0, 0, 0.249) 53.1%, rgba(0, 0, 0, 0.320) 58.9%, rgba(0, 0, 0, 0.394) 64.3%, rgba(0, 0, 0, 0.468) 69.3%, rgba(0, 0, 0, 0.540) 74.1%, rgba(0, 0, 0, 0.607) 78.8%, rgba(0, 0, 0, 0.668) 83.6%, rgba(0, 0, 0, 0.721) 88.7%, rgba(0, 0, 0, 0.762) 94.1%, rgba(0, 0, 0, 0.790) 100%);
    transform: translateY(-50%);
    transition: transform calc(var(--d) * 2) var(--e);
}
.card:nth-child(1):before {
    background-image: url(../images/Magpie.jpg);
}
.card:nth-child(2):before {
    background-image: url(../images/tiger-1.jpg);
}
.card:nth-child(3):before {
    background-image: url(../images/turtle-2.jpg);
}
.card:nth-child(4):before {
    background-image: url(../images/rhino-1.jpg);
}
.card:nth-child(5):before {
    background-image: url(../images/orangutan-1.jpg);
}
.card:nth-child(6):before {
    background-image: url(../images/rhinohornbill-3.webp);
}
.card:nth-child(7):before {
    background-image: url(../images/bluewhale-1.jpg);
}
.card:nth-child(8):before {
    background-image: url(../images/dugong-1.jpg);
}
.card:nth-child(9):before {
    background-image: url(../images/steppe-eagle-2.jpg);
}
.card:nth-child(10):before {
    background-image: url(../images/bear2.jpg);
}
.card:nth-child(11):before {
    background-image: url(../images/elephant4.jpg);
}

.card:nth-child(12):before {
    background-image: url(../images/blue-jay.jpg);
}
.content {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    padding: 1rem;
    transition: transform var(--d) var(--e);
    z-index: 1;
}
.content > * + * {
    margin-top: 1rem;
}
.title {
    font-size: 1.3rem;
    font-weight: bold;
    line-height: 1.2;
}
.copy {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    font-style: italic;
    line-height: 1.35;
}
.btn {
    cursor: pointer;
    margin-top: 1.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.65rem;
    font-weight: bold;
    letter-spacing: 0.025rem;
    text-transform: uppercase;
    color: white;
    background-color: black;
    border: none;
}
.btn:hover {
    background-color: #0d0d0d;
}
.btn:focus {
    outline: 1px dashed #b08d57;
    outline-offset: 3px;
}
@media (hover: hover) {
    .card:after {
        transform: translateY(0);
   }
    .content {
        transform: translateY(calc(100% - 4.5rem));
   }
    .content > *:not(.title) {
        opacity: 0;
        transform: translateY(1rem);
        transition: transform var(--d) var(--e), opacity var(--d) var(--e);
   }
    .card:hover, .card:focus-within {
        align-items: center;
   }
    .card:hover:before, .card:focus-within:before {
        transform: translateY(-4%);
   }
    .card:hover:after, .card:focus-within:after {
        transform: translateY(-50%);
   }
    .card:hover .content, .card:focus-within .content {
        transform: translateY(0);
   }
    .card:hover .content > *:not(.title), .card:focus-within .content > *:not(.title) {
        opacity: 1;
        transform: translateY(0);
        transition-delay: calc(var(--d) / 8);
   }
    .card:focus-within:before, .card:focus-within:after, .card:focus-within .content, .card:focus-within .content > *:not(.title) {
        transition-duration: 0s;
   }
}

/* Project Filter Styles */
.projectFilter {
    padding: 1rem 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.projectFilter button {
    margin: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 3rem;
    background-color: #2a2a2a; /* Darker background color */
    color: #fff; /* Text color */
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.projectFilter button:hover {
    background-color: #3a3a3a; /* Darker background color on hover */
}

