.project-body {
    --detail-surface: rgba(14, 14, 14, 0.92);
    --detail-surface-soft: rgba(18, 18, 18, 0.92);
    --detail-shadow: 0 28px 58px rgba(0, 0, 0, 0.28);
}

body.light-mode.project-body {
    --detail-surface: rgba(255, 255, 255, 0.92);
    --detail-surface-soft: rgba(255, 255, 255, 0.96);
    --detail-shadow: 0 28px 58px rgba(20, 20, 20, 0.08);
}

.project-body {
    font-family: 'Manrope', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    transition: background 0.25s ease, color 0.25s ease;
}

.container {
    width: min(1100px, calc(100% - 40px));
    margin: auto;
}

.project-shell {
    position: relative;
}

.hero {
    width: 100%;
    padding: 80px 0 40px;
    text-align: left;
}

.label {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.project-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    margin-bottom: 16px;
    font-size: 16px;
    letter-spacing: 0.02em;
    color: var(--text-muted);
}

.project-breadcrumb-link,
.project-breadcrumb-current {
    color: inherit;
    text-decoration: none;
    text-transform: lowercase;
}

.project-breadcrumb-link:hover {
    color: var(--text);
}

.project-breadcrumb-separator {
    color: var(--text-faint);
}

.title {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 600;
    letter-spacing: -0.04em;
    line-height: 1.5;
    margin-top: 0;
    margin-bottom: 16px;
    color: var(--text);
}

.subtitle {
    max-width: 700px;
    margin: 0;
    font-size: 18px;
    color: var(--text-soft);
}

.hero-banner {
    width: 100%;
    margin: 28px 0 40px;
}

.hero-banner-item {
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

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

.meta {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin: 0 0 40px;
}

.meta-box {
    background: var(--panel);
    border: 1px solid var(--border);
    padding: 18px;
    border-radius: 16px;
    transition: background 0.25s ease, border-color 0.25s ease;
}

.meta-label {
    font-size: 11px;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.meta-value {
    font-size: 14px;
    color: var(--text);
}

.tech-stack-section {
    margin: 0 0 40px;
}

.project-destination-shell {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.project-destination-link,
.project-destination-button {
    display: inline-flex;
    align-items: center;
    justify-content: flex-start;
    min-height: auto;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    color: var(--text-soft);
    text-decoration: none;
    font-size: 15px;
    font-weight: 400;
    transition: color 0.25s ease, opacity 0.25s ease;
}

.project-destination-link:hover,
.project-destination-button:hover,
.project-destination-button:focus-visible {
    color: var(--text);
}

.project-destination-button {
    cursor: not-allowed;
}

.project-destination-button[aria-disabled="true"] {
    opacity: 0.74;
}

.project-destination-tooltip {
    position: absolute;
    left: 50%;
    bottom: calc(100% + 14px);
    width: min(320px, calc(100vw - 40px));
    padding: 12px 14px;
    border-radius: 14px;
    border: 1px solid var(--border);
    background: var(--detail-surface-soft);
    color: var(--text-soft);
    box-shadow: var(--detail-shadow);
    font-size: 13px;
    line-height: 1.55;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(6px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
    pointer-events: none;
    z-index: 5;
    text-align: left;
}

.project-destination-tooltip::before,
.project-destination-tooltip::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 100%;
    border-style: solid;
    transform: translateX(-50%);
}

.project-destination-tooltip::before {
    border-width: 8px;
    border-color: var(--border) transparent transparent transparent;
}

.project-destination-tooltip::after {
    margin-top: -1px;
    border-width: 7px;
    border-color: var(--detail-surface-soft) transparent transparent transparent;
}

.project-destination-shell:hover .project-destination-tooltip,
.project-destination-shell:focus-within .project-destination-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.tech-stack-label {
    font-size: 11px;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 12px;
    letter-spacing: 0.08em;
}

.tech-stack-marquee {
    position: relative;
    overflow: hidden;
    width: 100%;
    padding: 6px 0;
}

.tech-stack-marquee::before,
.tech-stack-marquee::after {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    width: 64px;
    pointer-events: none;
    z-index: 2;
}

.tech-stack-marquee::before {
    left: 0;
    background: linear-gradient(90deg, var(--bg) 0%, rgba(10, 10, 10, 0) 100%);
}

.tech-stack-marquee::after {
    right: 0;
    background: linear-gradient(270deg, var(--bg) 0%, rgba(10, 10, 10, 0) 100%);
}

.tech-stack-track {
    display: flex;
    align-items: center;
    width: max-content;
    animation: tech-stack-scroll 20s linear infinite;
    will-change: transform;
}

.tech-stack-marquee:hover .tech-stack-track {
    animation-play-state: paused;
}

.tech-stack-group {
    display: flex;
    align-items: center;
    gap: 28px;
    padding-right: 28px;
}

.tech-stack-logo {
    width: clamp(120px, 13vw, 156px);
    aspect-ratio: 2 / 1;
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.25s ease;
}

.tech-stack-logo img {
    width: 82%;
    height: 82%;
    object-fit: contain;
    filter: grayscale(1) invert(1);
    opacity: 0.78;
    transition: transform 0.25s ease, filter 0.25s ease, opacity 0.25s ease;
}

.tech-stack-logo:hover {
    transform: scale(1.05);
}

.tech-stack-logo:hover img {
    transform: scale(1.05);
}

.tech-stack-logo-text {
    width: auto;
    min-width: 120px;
    padding: 0 18px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--panel);
    color: var(--text-soft);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

body.light-mode .tech-stack-marquee::before {
    background: linear-gradient(90deg, var(--bg) 0%, rgba(245, 245, 245, 0) 100%);
}

body.light-mode .tech-stack-marquee::after {
    background: linear-gradient(270deg, var(--bg) 0%, rgba(245, 245, 245, 0) 100%);
}

body.light-mode .tech-stack-logo img {
    filter: grayscale(1);
    opacity: 0.82;
}

.grid {
    display: grid;
    grid-template-columns: 1.6fr 0.8fr;
    gap: 20px;
    padding-bottom: 36px;
}

.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 26px;
    transition: background 0.25s ease, border-color 0.25s ease;
}

.card + .card {
    margin-top: 20px;
}

.card h2 {
    font-size: 20px;
    margin: 0;
    color: var(--text);
}

.card p {
    font-size: 15px;
    color: var(--text-soft);
    margin-bottom: 0;
}

.list {
    padding-left: 18px;
}

.list li {
    margin-bottom: 10px;
    font-size: 15px;
    color: var(--text-soft);
}

.list li:last-child {
    margin-bottom: 0;
}

.flow {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.flow-item {
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 16px;
    background: var(--detail-surface-soft);
    transition: background 0.25s ease, border-color 0.25s ease;
}

.step {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.flow-item p {
    color: var(--text);
    font-size: 15px;
}

.flow-label {
    margin-bottom: 16px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text);
}

.flow-note {
    margin-top: 28px;
}

.navbar {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.navbar .card {
    margin-top: 0;
}

.tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tech span {
    font-size: 13px;
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.04);
    color: var(--text);
    border-radius: 10px;
    border: 1px solid var(--border);
    transition: background 0.25s ease, border-color 0.25s ease;
}

body.light-mode .tech span {
    background: rgba(0, 0, 0, 0.03);
}

.project-accordion-section {
    padding: 8px 0 72px;
}

.project-accordion-header {
    margin-bottom: 26px;
}

.project-accordion-title {
    margin: 0 0 10px;
    font-size: 28px;
    font-weight: 500;
    color: var(--text);
}

.project-accordion-intro {
    margin: 0;
    max-width: 760px;
    color: var(--text-soft);
    font-size: 15px;
}

.project-accordion-list {
    display: grid;
    gap: 16px;
}

.project-accordion-item {
    border: 1px solid var(--border);
    border-radius: 18px;
    background: var(--panel);
    box-shadow: var(--detail-shadow);
    overflow: hidden;
}

.project-accordion-trigger {
    width: 100%;
    padding: 24px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    text-align: left;
    color: var(--text);
    cursor: pointer;
}

.project-accordion-label {
    display: block;
    font-size: 16px;
    font-weight: 500;
}

.project-accordion-icon {
    width: 20px;
    height: 20px;
    flex: 0 0 auto;
    color: var(--text-muted);
    transition: transform 0.25s ease, color 0.25s ease;
}

.project-accordion-icon svg {
    width: 100%;
    height: 100%;
    display: block;
}

.project-accordion-item.is-open .project-accordion-icon {
    transform: rotate(180deg);
    color: var(--text);
}

.project-accordion-content {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.28s ease;
}

.project-accordion-item.is-open .project-accordion-content {
    grid-template-rows: 1fr;
}

.project-accordion-inner {
    overflow: hidden;
}

.project-accordion-body {
    padding: 0 28px 26px;
    color: var(--text-soft);
}

.project-accordion-body > *:first-child {
    margin-top: 0;
}

.project-accordion-body > *:last-child {
    margin-bottom: 0;
}

.project-accordion-body .card,
.project-accordion-body .flow-item {
    box-shadow: none;
}

.project-explore-section {
    margin-top: 28px;
    padding-top: 36px;
    border-top: 1px solid var(--border);
}

.project-explore-top {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 26px;
}

.project-explore-top .project-accordion-header {
    margin-bottom: 0;
}

.project-explore-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
}

.project-explore-card {
    display: block;
    text-decoration: none;
    color: inherit;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: var(--panel);
    box-shadow: var(--detail-shadow);
    overflow: hidden;
    transition: transform 0.28s ease, border-color 0.28s ease, box-shadow 0.28s ease;
}

.project-explore-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.16);
    box-shadow: 0 32px 70px rgba(0, 0, 0, 0.32);
}

body.light-mode .project-explore-card:hover {
    border-color: rgba(0, 0, 0, 0.1);
    box-shadow: 0 24px 48px rgba(20, 20, 20, 0.1);
}

.project-explore-media {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.02);
}

.project-explore-media img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-explore-body {
    display: grid;
    gap: 8px;
    padding: 20px 22px 22px;
}

.project-explore-title {
    display: block;
    margin: 0;
    font-size: 20px;
    line-height: 1.2;
    letter-spacing: -0.03em;
    color: var(--text);
}

.project-explore-meta {
    display: block;
    margin: 0;
    color: var(--text-muted);
    font-size: 14px;
}

.project-explore-back {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 18px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--panel);
    color: var(--text);
    text-decoration: none;
    white-space: nowrap;
    transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.project-explore-back:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.16);
}

@keyframes tech-stack-scroll {
    from {
        transform: translateX(0);
    }

    to {
        transform: translateX(calc(var(--tech-stack-loop-width, 0px) * -1));
    }
}

@media (max-width: 1440px) {
    .project-explore-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 900px) {
    .meta {
        grid-template-columns: 1fr 1fr;
    }

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

    .project-explore-top {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (max-width: 600px) {
    .meta {
        grid-template-columns: 1fr;
    }

    .tech-stack-logo {
        width: 108px;
    }

    .hero {
        padding-top: 48px;
    }

    .subtitle {
        font-size: 16px;
    }

    .project-destination-link,
    .project-destination-button {
        width: auto;
        justify-content: flex-start;
    }

    .project-accordion-trigger {
        padding: 20px 22px;
    }

    .project-accordion-body {
        padding: 0 22px 22px;
    }

    .project-explore-body {
        padding: 18px 18px 20px;
    }

    .project-explore-grid {
        grid-template-columns: 1fr;
    }
}

.grid-single {
    grid-template-columns: 1fr;
}

.overview-collab {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    font-size: 14px;
    color: var(--text);
}

.subtitle-meta {
    display: grid;
    gap: 6px;
    margin: 0;
    max-width: 700px;
}

.subtitle-meta-row {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.subtitle-meta-row p {
    margin: 0;
    font-size: 16px;
    color: var(--text-soft);
}

.subtitle-meta-row a,
.subtitle-meta-row span {
    font-size: 16px;
}

.subtitle-meta-icon {
    width: 16px;
    height: 16px;
    flex: 0 0 auto;
}

.project-body .subtitle-meta-icon {
    filter: invert(1);
}

body.light-mode.project-body .subtitle-meta-icon {
    filter: none;
}