/* SurfNeHF project landing page (light theme) */

.project-site {
    --proj-bg: #f3f5f8;
    --proj-surface: #ffffff;
    --proj-surface-2: #f4f6f9;
    --proj-text: #2c3d52;
    --proj-muted: #5a6570;
    --proj-border: #e2e8f0;
    --proj-accent: #2c5282;
    --proj-accent-soft: #eef3fa;
    --proj-shadow: 0 8px 24px rgba(45, 55, 72, 0.1);
    --proj-nav-active: #0d6efd;
    --proj-img-bg: transparent;
    background: var(--proj-bg) !important;
    color: var(--proj-text);
}

.project-shell {
    max-width: 1280px;
    padding-left: 1rem;
    padding-right: 1rem;
    overflow: visible;
}

.project-page,
.project-page .row,
.project-page [class*="col-"] {
    overflow: visible;
}

.project-page a {
    color: var(--proj-accent);
}

.project-page a:hover {
    color: var(--proj-accent);
    opacity: 0.85;
}

.project-page .text-muted,
.project-page .project-page__venue,
.project-page .project-page__subtitle {
    color: var(--proj-muted) !important;
}

.project-page__brand {
    font-family: "Fredoka", "Lato", sans-serif;
    font-size: clamp(2.1rem, 4vw, 2.75rem);
    font-weight: 600;
    letter-spacing: 0.01em;
    color: var(--proj-text);
    line-height: 1.15;
}

.project-page__subtitle {
    max-width: 44rem;
    margin-left: auto;
    margin-right: auto;
    font-size: 1.05rem;
    line-height: 1.45;
    color: var(--proj-muted);
}

.project-page__header .pub-link-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.project-page__section {
    background: var(--proj-surface) !important;
    border: 1px solid var(--proj-border);
    box-shadow: var(--proj-shadow);
    color: var(--proj-text);
}

.project-page__bibtex {
    background: var(--proj-surface-2);
    border: 1px solid var(--proj-border);
    border-radius: 0.25rem;
    padding: 1rem 1.1rem;
    font-size: 0.82rem;
    line-height: 1.55;
    overflow-x: auto;
    white-space: pre;
    color: var(--proj-text);
}

.project-page .pub-link-badge {
    color: var(--proj-accent);
    background-color: var(--proj-accent-soft);
    border-color: #c5d3e8;
}

.project-page .pub-link-badge:hover {
    color: #1a365d;
    background-color: #e2eaf6;
    border-color: #a8bdd9;
}

.project-page .pub-link-badge--muted {
    color: #5a6570;
    background-color: #f0f2f5;
    border-color: #d5dbe3;
}

.project-page__teaser {
    max-width: 52rem;
    margin-left: auto;
    margin-right: auto;
}

.project-page__video-slot {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    border-radius: 0.35rem;
    background: #1a2332;
    box-shadow: var(--proj-shadow);
}

.project-page__video,
.project-page__video-poster {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-page__video-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    background: linear-gradient(180deg, rgba(26, 35, 50, 0.35) 0%, rgba(26, 35, 50, 0.55) 100%);
    color: #fff;
    text-align: center;
    padding: 1rem;
}

.project-page__video-play {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3.4rem;
    height: 3.4rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.92);
    color: #2c3d52;
    font-size: 1.05rem;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.22);
}

.project-page__video-label {
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
}

.project-page__copy-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.project-nav-sticky {
    position: sticky;
    top: 5.25rem;
}

.project-nav {
    background: var(--proj-surface);
    border: 1px solid var(--proj-border);
    border-radius: 0.4rem;
    padding: 0.65rem 0.4rem;
    box-shadow: var(--proj-shadow);
}

.project-nav .nav-label {
    display: block;
    padding: 0.35rem 0.75rem 0.55rem;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--proj-muted);
}

.project-nav .nav-link {
    color: var(--proj-muted);
    font-size: 0.86rem;
    font-weight: 600;
    border-radius: 0.3rem;
    padding: 0.4rem 0.75rem;
    margin: 0.1rem 0.25rem;
}

.project-nav .nav-link:hover {
    color: var(--proj-text);
    background: var(--proj-surface-2);
}

.project-nav .nav-link.active {
    color: #fff;
    background: var(--proj-nav-active);
}

.project-page section[id],
.project-page header[id] {
    scroll-margin-top: 5.5rem;
}

.project-section-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--proj-text);
    margin-bottom: 0.35rem;
}

.project-section-lead {
    color: var(--proj-muted);
    margin-bottom: 1rem;
    line-height: 1.55;
}

.project-section-body {
    color: var(--proj-text);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.project-page mark {
    background: transparent;
    color: var(--proj-muted);
}

.project-fig-grid {
    display: grid;
    gap: 0.55rem;
    overflow: visible;
}

.project-fig-grid--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.project-fig-grid--4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    width: 86%;
    max-width: none;
    margin-left: auto;
    margin-right: auto;
    align-items: center;
}

.project-fig-grid--4 .project-fig,
.project-fig-grid--4 .project-fig__media {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.project-fig-grid--4 .project-fig__media {
    width: 100%;
}

.project-fig-grid--4 .project-fig img {
    margin-left: auto;
    margin-right: auto;
}

.project-fig-grid--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.project-fig-grid--brdf {
    grid-template-columns: minmax(0, 1fr) minmax(0, 3fr);
    max-width: 48rem;
    margin-left: auto;
    margin-right: auto;
    align-items: center;
    gap: 0.85rem;
}

@media (max-width: 991.98px) {
    .project-fig-grid--4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        width: 86%;
    }
}

@media (max-width: 575.98px) {
    .project-fig-grid--2,
    .project-fig-grid--3,
    .project-fig-grid--brdf {
        grid-template-columns: 1fr;
        max-width: 18rem;
    }

    .project-fig-grid--4 {
        grid-template-columns: 1fr;
        width: 86%;
    }
}

.project-fig {
    margin: 0;
    background: transparent;
    border: none;
    border-radius: 0;
    overflow: visible;
    box-shadow: none;
}

.project-fig__media {
    overflow: visible;
    background: transparent;
    position: relative;
}

.project-fig img {
    display: block;
    width: 100%;
    height: auto;
    background: transparent;
    object-fit: contain;
}

.project-fig figcaption {
    padding: 0.35rem 0.1rem 0;
    font-size: 0.74rem;
    color: #6b7280;
    border: none;
    background: transparent;
    line-height: 1.35;
    text-align: center;
}

.project-fig-grid-label {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.55rem;
    margin-bottom: 0.35rem;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    text-transform: none;
    color: var(--proj-muted);
    text-align: center;
    line-height: 1.25;
}

.project-fig-grid-label__sub {
    display: inline-block;
    font-size: 0.66rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    color: #9aa3af;
}

@media (max-width: 575.98px) {
    .project-fig-grid-label {
        display: none;
    }
}

.project-result-row-label {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--proj-text);
    margin: 0.75rem 0 0.3rem;
    text-align: center;
}

/* Compact thumbs: hover enlarges outside the thumbnail frame */
.project-fig-zoom {
    overflow: visible;
}

.project-fig-zoom .project-fig {
    overflow: visible;
    position: relative;
    z-index: 1;
}

.project-fig-zoom .project-fig__media {
    overflow: visible;
}

.project-fig-zoom .project-fig img {
    width: 100%;
    height: auto;
    object-fit: contain;
    transition: transform 0.28s ease;
    transform-origin: center center;
    will-change: transform;
}

.project-fig-zoom .project-fig:hover,
.project-fig-zoom .project-fig:focus-within {
    z-index: 30;
}

.project-fig-zoom .project-fig:hover img,
.project-fig-zoom .project-fig:focus-within img {
    transform: scale(1.9);
}

.project-recon {
    max-width: 26rem;
    margin-left: auto;
    margin-right: auto;
    overflow: visible;
    padding: 0.5rem 0 1.25rem;
}

.project-recon-scene {
    padding: 0.35rem 0 0.85rem;
}

.project-recon-scene + .project-recon-scene {
    margin-top: 0.35rem;
    padding-top: 0.85rem;
    border-top: 1px solid #cfd6e0;
}

.project-recon .project-fig__media {
    aspect-ratio: 1 / 1;
}

.project-recon .project-fig img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.project-fig-zoom--principles {
    padding: 0.75rem 0 1.25rem;
}

#results-recon,
#results-brdf,
#principles-surface {
    overflow: visible;
}

.tikzjax-wrap {
    width: 100%;
    overflow-x: auto;
    background: transparent;
    border: none;
    border-radius: 0;
    padding: 0.25rem 0;
    text-align: center;
    min-height: 12rem;
}

.tikzjax-wrap svg {
    max-width: 100%;
    height: auto;
}

.project-mobile-nav {
    display: none;
    margin-bottom: 1rem;
}

@media (max-width: 991.98px) {
    .project-mobile-nav {
        display: block;
    }

    .project-mobile-nav select {
        width: 100%;
        border: 1px solid var(--proj-border);
        background: var(--proj-surface);
        color: var(--proj-text);
        border-radius: 0.35rem;
        padding: 0.55rem 0.75rem;
        font-weight: 600;
    }
}

.project-page .btn-outline-secondary {
    color: var(--proj-text);
    border-color: var(--proj-border);
}

.project-page .btn-outline-secondary:hover {
    color: #fff;
    background: var(--proj-nav-active);
    border-color: var(--proj-nav-active);
}