* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #000;
    --secondary-color: #CB88FF;
    --tertiary-color: #5FFF5F;
    --margin-grid: 2rem;
}

@media(max-width: 992px) {
    :root {
        font-size: 15px;
        --margin-grid: 1.5rem;
    }
}

@media(max-width: 576px) {
    :root {
        font-size: 14px;
        --margin-grid: 1rem;
    }
}


body {
    font-family: "europa", sans-serif;
    font-optical-sizing: auto;
    color: var(--primary-color);
    background-color: var(--secondary-color);
}

.home-bg {
    background-color: var(--primary-color);
}

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

.container-fluid {
    padding-left: var(--margin-grid);
    padding-right: var(--margin-grid);
}

.row {
    --bs-gutter-x: 2rem;
}


/* ============= HEADER ============= */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;

    display: flex;
    justify-content: space-between;
    align-items: center;

    padding: 0 var(--margin-grid);
    height: 5rem;

    font-size: 1.5rem;
    background-color: var(--primary-color);

    z-index: 10;
}

header .logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

header .logo img {
    width: auto;
    height: 2rem;
    display: block;
}

header nav ul {
    display: flex;
    gap: 4rem;
    list-style: none;
}

header a {
    color: var(--secondary-color);
    text-decoration: none;
}

header a:hover {
    color: var(--tertiary-color);
}

@media(max-width: 576px) {
    header {
        padding: 0 var(--margin-grid);
        height: 4rem;
        font-size: 1.25rem;
    }

    header nav ul {
        gap: 1rem;
        font-size: 1rem;
    }

    header .logo img {
        height: 1.5rem;
    }
}


/* ============= MAIN ============= */
main {
    margin-top: 4rem;
    height: calc(100dvh - 4rem);
}

/* ============= HOME ============= */

main.home .home-image {
    height: calc(100dvh - 8rem);
}

main.home .home-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}


@media(max-width: 576px) {
    main.home .home-image {
        height: calc(100dvh - 6.5rem);
    }
}

/* ========= DESIGN ========= */

main.design {
    margin-top: 7rem;
}

main.design .card {
    font-size: 2rem;
    margin-bottom: 2rem;
}

main.design .card-image {
    aspect-ratio: 4/1.5;
    margin-bottom: 1rem;
}

main.design .card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 20px;
    filter: grayscale(1);
}

main.design .card-image img:hover {
    filter: none;
    transform: scale(1.02);
    transition: transform 0.3s ease;
}

@media (max-width: 576px) {
    main.work .card {
        margin-bottom: 1rem;
    }

    main.design .card {
        font-size: 1.5rem;
    }
}

/* ========= TATTOO ========= */

main.tattoo {
    margin-top: 7rem;
}

main.tattoo .card {
    margin-bottom: 2rem;
}

main.tattoo .card-image {
    aspect-ratio: 2/2.5;
    margin-bottom: 2rem;
}

main.tattoo .card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 20px;
}

@media (max-width: 576px) {
    main.tattoo .card {
        margin-bottom: 1rem;
    }
}

/* ========= ABOUT ========= */

main.about {
    display: flex;
    align-items: flex-end;
    padding-bottom: 2rem;
}

main.about section {
    display: block;
    unicode-bidi: isolate;
}

main.about .bio {
    font-size: 1.8rem;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    height: 90%;
}

main.about .contacts {
    display: flex;
    flex-direction: row;
}

.contacts ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.contacts a {
    text-decoration: none;
}

.contacts li:hover {
    color: var(--tertiary-color);
}

.about-img {
    aspect-ratio: 4 / 5;
    padding-right: 2rem;
    margin-bottom: 2.5rem;
}

.about-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 20px;
}


@media (max-width: 576px) {
    .contacts {
        margin-bottom: 1rem;
    }

    main.about {
        flex-direction: column;
        padding-bottom: 2rem;
        margin-top: 5rem;
    }

    .about-img {
        aspect-ratio: 4 / 5;
        padding-right: 0;
        margin-bottom: 2.5rem;
    }

    .bio {
        margin-bottom: 2rem;
    }

    .row {
        flex-direction: column;
    }
}

/* ========== SINGLE ========== */
main.single {
    margin-top: 5rem;
    padding: var(--margin-grid) 0;
}

.single-bg {
    background-color: white;
}

/* Sticky Side Content */
.single-info {
    position: sticky;
    top: calc(5rem + var(--margin-grid));
}

.single-title {
    font-size: 2rem;
    margin-bottom: 2rem;
}

.single-text {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.1rem;
    margin-bottom: 0.5rem;
}

.single-label {
    flex: 0 0 8rem;
}

.single-word {
    flex: 1;
}

.single-word a:hover {
    color: var(--tertiary-color);
}

.separator {
    width: 100%;
    height: 1px;
    background-color: var(--primary-color);
    margin: 1rem 0;
}

/* Image Grid */
.single-images-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: calc(0.5 * var(--margin-grid));
    margin-bottom: 2rem;
}

.single-images-item {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    border-radius: 20px;
}

.single-images-item.span-2 {
    grid-column: span 2;
}

.single-images-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.nav-buttons {
    position: fixed;
    bottom: var(--margin-grid);
    left: var(--margin-grid);
    display: flex;
    gap: 1rem;
    font-size: 3rem;
    z-index: 10;
}

.arrow-btn {
    background-color: var(--secondary-color);
    border: none;
    color: var(--primary-color);
    font-size: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    margin-right: 20px;
    transition: background-color 0.3s, transform 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;

}

.arrow-btn:hover {
    background-color: var(--tertiary-color);
}

@media (max-width: 576px) {
    .nav-buttons {
        position: relative;
        font-size: 2rem;
        justify-content: space-between;
        margin-top: 2rem;
    }

    .arrow-btn {
        padding: 0.5rem 1rem;
        display: block;
    }
}