* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    overflow-wrap: break-word;
}

:root {
    --bg-color: ghostwhite;
    --text-color: black;
    --border-color: black;
}

body {
    background: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-body);
}

/* Sticky Footer & Layout Wrapper */
body > div {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}
main {
    flex: 1;
}

.page-main {
    padding-top: var(--content-start);
    padding-bottom: var(--content-end);
}

.home-main {
    padding-bottom: var(--content-end);
}

.page-main > .container,
.page-main > .categories-nav {
    padding-top: 0;
}

nav {
    position: sticky;
    top: 0;
    z-index: 200;
    background: var(--bg-color);
}

.project-info-column {
    position: sticky;
    top: 3.2vw;
    align-self: start;
    max-height: calc(100vh - 3.9vw);
    overflow-y: auto;
}

/* CMS 환경에 맞춰 ID 대신 클래스로 일반화하여 적용 */
.project-item {
    border-color: var(--border-color);
}

.project-item img {
    padding-top: 0;
    padding-bottom: 0;
}

.project-item.item-padding {
    padding-top: 0;
    padding-bottom: 0;
}

.item-padding {
    padding-top: 1vw;
    padding-bottom: 1vw;
}

.sideli {
    padding-top: 1vw;
}

img {
    width: 100%;
    max-width: 1000px;
    display: block; /* 이미지 하단 여백 제거 */
    padding-top: 0.5vw;
    padding-bottom: 0.5vw;
}

#img {
    padding-top: 0.5vw;
    padding-bottom: 0.5vw;
}

.project-video {
    width: 100%;
    max-width: 100%;
    overflow: hidden;
}

.project-video-frame {
    display: block;
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    padding-top: 0.5vw;
    padding-bottom: 0.5vw;
}

.project-video-frame video {
    display: block;
    width: 100%;
    max-width: 100%;
    height: auto;
    border: 0;
}

.project-video-frame iframe {
    display: block;
    width: 100%;
    max-width: 100%;
    aspect-ratio: 16 / 9;
    height: auto;
    border: 0;
}

.header,
#name,
h1, h2, h3 {
    font-family: var(--font-heading);
    font-weight: 400;
    color: var(--text-color);
}

a {
    color: var(--text-color);
    text-decoration: none; /* 하이퍼링크 밑줄 제거 */
}

a:hover, a:active, a:focus {
    text-decoration: none;
    color: inherit;
    outline: none;
}

.header {
    font-size: 1.2vw;
    padding-bottom: 0.5vw;
}

#name {
}

.description-text,
p, li {
    font-family: var(--font-body);
    font-size: 0.9vw;
    text-align: left;
    letter-spacing: 1px;
    word-spacing: 1px;
    line-height: 1.8;
    color: var(--text-color);
}

.description-text {
    padding-top: 0.5vw;
    padding-bottom: 0.5vw;
}

.col-span-2 {
    grid-column: span 2;
}

.container {
    padding: 0.7vw var(--page-gutter);
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1vw;
}

.works-toolbar {
    display: flex;
    flex-direction: column;
    gap: 0.55vw;
}

.works-toolbar-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2vw;
}

.works-toolbar ul {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.45vw;
    margin: 0;
    padding: 0;
    list-style: none;
}

.works-toolbar li {
    margin: 0;
    padding: 0;
    list-style: none;
}

.works-toolbar li::before,
.works-toolbar li::marker {
    display: none;
    content: none;
}

.year-categories {
    justify-content: flex-start;
    text-align: left;
}

.work-categories {
    justify-content: flex-start;
    text-align: left;
}

.filter-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 1.8em;
    padding: 0.05em 0.75em;
    border: var(--line-weight) solid var(--border-color);
    border-radius: 999px;
    background: transparent;
    color: var(--text-color);
    line-height: 1.4;
    text-decoration: none;
    white-space: nowrap;
}

.filter-pill:hover,
.filter-pill.is-active {
    background: var(--text-color);
    color: var(--bg-color);
    text-decoration: none;
}

.view-controls {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.45vw;
    padding: 0;
}

.view-button {
    appearance: none;
    font: inherit;
    font-size: 0.9vw;
    line-height: 1.4;
    cursor: pointer;
}

.projects-view.projects-grid {
    padding: 0.7vw var(--page-gutter);
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1vw;
}

.project-item {
    display: block;
    color: inherit;
    text-decoration: none;
}

.project-meta {
    display: grid;
    grid-template-columns: max-content minmax(0, 1fr) max-content;
    gap: 0.7vw;
    align-items: baseline;
}

.project-year,
.project-tag {
    font-size: 0.75vw;
    white-space: nowrap;
    overflow-wrap: normal;
    word-break: keep-all;
}

.project-title {
    padding: 0;
    border: 0;
}

.projects-list {
    margin: 0.7vw var(--page-gutter);
    border-top: var(--line-weight) solid var(--border-color);
}

.projects-list .project-item {
    border-bottom: var(--line-weight) solid var(--border-color);
    padding: 0.45vw 0;
}

.projects-list .project-cover {
    display: none;
}

.projects-list .project-meta {
    grid-template-columns: 5vw minmax(0, 1fr) minmax(8vw, auto);
    padding: 0;
}

.projects-list .project-title,
.projects-list .project-year,
.projects-list .project-tag {
    font-family: var(--font-body);
    font-size: 0.9vw;
}

.projects-list .project-tag {
    text-align: right;
}

.project-hover-preview {
    position: fixed;
    z-index: 100;
    display: inline-flex;
    width: fit-content;
    max-width: 262px;
    max-height: calc(60vh + 2px);
    box-sizing: content-box;
    pointer-events: none;
    opacity: 0;
    overflow: hidden;
    background: var(--bg-color);
    border: var(--line-weight) solid var(--border-color);
    transition: opacity 120ms ease;
}

.project-hover-preview.is-visible {
    opacity: 1;
}

.project-hover-preview img {
    width: auto;
    max-width: 260px;
    height: auto;
    max-height: 60vh;
    object-fit: contain;
    padding: 0;
}

.empty-works {
    padding: 2vw var(--page-gutter);
}

.footer,
.intro,
.categories-nav {
    padding: 0.7vw var(--page-gutter);
}

.footer {
    flex: 0 0 auto;
}

.intro {
    text-align: center;
    padding: 0 var(--page-gutter) 0.7vw;
}

.categories-nav {
    padding-top: 0;
    padding-bottom: 0;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.intro .works-search {
    position: relative;
    width: calc(50% - 0.5vw);
    margin: 0 auto;
}

.works-search-input {
    display: block;
    width: 100%;
    height: auto;
    padding: 0.25em 2.5em;
    appearance: none;
    border: var(--line-weight) solid var(--border-color);
    border-radius: 999px;
    outline: none;
    background: transparent;
    color: var(--text-color);
    font-family: var(--font-heading);
    font-size: 1.2vw;
    font-weight: 400;
    line-height: 1.2;
    text-align: center;
}

.works-search-input::placeholder {
    color: var(--text-color);
    opacity: 0.65;
}

.works-search-input:focus {
    background: var(--text-color);
    color: var(--bg-color);
}

.works-search-input:focus::placeholder {
    color: var(--bg-color);
}

.works-search-input::-webkit-search-cancel-button {
    display: none;
    -webkit-appearance: none;
}

.works-search-clear {
    position: absolute;
    top: 50%;
    right: 0.8em;
    display: none;
    transform: translateY(-50%);
    appearance: none;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: none;
    color: var(--text-color);
    font: inherit;
    font-size: 0.9vw;
    line-height: 1;
    cursor: pointer;
}

.works-search.has-value .works-search-clear {
    display: block;
}

.works-search:focus-within .works-search-clear {
    color: var(--bg-color);
}

.project-item[hidden] {
    display: none !important;
}

.works-search-empty {
    padding: 1.4vw 0 0;
    text-align: center;
}

@media screen and (max-width: 750px) {
    .project-info-column {
        position: static;
        max-height: none;
        overflow: visible;
    }

    .container {
        grid-template-columns: 1fr;
        gap: 2vw;
        padding: 1.7vw var(--page-gutter);
    }

    .works-toolbar {
        gap: 1.5vw;
    }

    .works-toolbar-row {
        align-items: flex-end;
        justify-content: space-between;
        flex-wrap: nowrap;
        gap: 2vw;
    }

    .works-toolbar-row .work-categories {
        min-width: 0;
        flex: 1 1 auto;
    }

    .works-toolbar-row .view-controls {
        display: flex;
        flex: 0 0 auto;
        align-self: flex-end;
    }

    .works-toolbar ul,
    .view-controls {
        gap: 1.5vw;
    }

    .view-controls {
        padding: 0;
    }

    .view-button {
        font-size: 3vw;
    }

    .projects-view.projects-grid {
        grid-template-columns: 1fr;
        gap: 2vw;
        padding: 1.7vw var(--page-gutter);
    }

    .project-meta {
        gap: 2vw;
    }

    .project-year,
    .project-tag {
        font-size: 2.6vw;
    }

    .projects-list {
        margin: 1.7vw var(--page-gutter);
    }

    .projects-list .project-item {
        padding: 1.5vw 0;
    }

    .projects-list .project-meta {
        grid-template-columns: 14vw minmax(0, 1fr) auto;
    }

    .projects-list .project-title,
    .projects-list .project-year,
    .projects-list .project-tag {
        font-size: 3vw;
    }

    .project-hover-preview {
        display: none;
    }

    .col-span-2 {
        grid-column: 1 / -1;
    }

    .footer,
    .intro,
    .categories-nav {
        padding: 1.7vw var(--page-gutter);
    }

    .categories-nav {
        padding-top: 0;
        padding-bottom: 0;
    }

    .intro {
        padding-top: 0;
        padding-bottom: 1.7vw;
    }

    .description-text,
    .item-padding,
    .footer,
    .categories-nav,
    p, li,
    .description-text a,
    .item-padding a,
    .footer a,
    .categories-nav a,
    p a,
    li a {
        font-size: 3vw;
    }

    #name,
    .header {
        font-size: 3.5vw;
        text-align: left;
    }

    .works-search-input {
        height: auto;
        padding: 0.25em 2.5em;
        font-size: 3.5vw;
    }

    .intro .works-search {
        width: 100%;
    }

    .works-search-clear {
        font-size: 3vw;
    }

    .works-search-empty {
        padding-top: 3vw;
    }

    img {
        padding-top: 1vw;
        padding-bottom: 1vw;
    }
}

/* Navigation */
nav {
    width: 100%;
    height: fit-content;
    min-height: 0;
    padding: 0.7vw var(--page-gutter);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
nav a {
    text-decoration: none;
    font-family: var(--font-heading);
    font-weight: 400;
    font-size: 1.2vw;
    line-height: 1.2;
}
nav .header {
    padding: 0;
}
@media screen and (max-width: 750px) {
    nav { padding: 1.7vw var(--page-gutter); }
    nav a { font-size: 3.5vw; }
}