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

:root {
    --pad: 6rem;
    --accent: rgba(0,0,0,0.4);
    --muted: 0.5;
    --gap: 3rem;
}

body {
    font-family: 'Arial', 'Helvetica', sans-serif;
    background: #fff;
    color: #000;
    overflow-x: hidden;
    caret-color: transparent;
}

/* ── Layout ── */
.page-wrap {
    padding: var(--pad);
}

.nav-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
}

/* ── Links ── */
a {
    color: inherit;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.back-link {
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

/* ── Header ── */
.project-header {
    padding-bottom: 2rem;
    border-bottom: 2px solid rgba(0,0,0,0.15);
    margin-bottom: var(--gap);
}

.project-meta {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    opacity: var(--muted);
    margin-bottom: 0.75rem;
}

.project-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    line-height: 1.05;
    margin-bottom: 0.75rem;
}

.project-subtitle {
    font-size: 1.2rem;
    font-weight: 400;
    opacity: 0.65;
    letter-spacing: 0.03em;
}

/* ── Sections ── */
.section {
    margin-bottom: var(--gap);
}

.section-heading {
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border-left: 4px solid var(--accent);
    padding-left: 1.25rem;
    margin-bottom: 1.5rem;
}

.section-content {
    font-size: 1.05rem;
    line-height: 1.8;
    letter-spacing: 0.02em;
    opacity: 0.8;
}

.section-content p + p {
    margin-top: 1.25rem;
}

/* ── TOC list ── */
.feature-list {
    list-style: none;
}

.feature-list li {
    padding: 0.9rem 0;
    border-bottom: 1px solid rgba(0,0,0,0.08);
    font-size: 1rem;
    letter-spacing: 0.05em;
}

.feature-list li:last-child {
    border-bottom: none;
}

.feature-list li::before {
    content: '—';
    margin-right: 1rem;
    opacity: var(--muted);
}

/* ── Gallery grid ── */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 1.5rem;
}

.gallery-grid2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-top: 1.5rem;
}

.gallery-grid4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-top: 1.5rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0,0,0,0.1);
    aspect-ratio: 1;
    transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.gallery-item:hover {
    transform: translateY(-6px);
    border-color: rgba(0,0,0,0.25);
    box-shadow: 0 16px 32px rgba(0,0,0,0.08);
}

.gallery-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: filter 0.3s;
}

/* Desktop hover overlay */
.gallery-overlay {
    position: absolute;
    inset: auto 0 0 0;
    background: rgba(255,255,255,0.95);
    padding: 1.25rem;
    transform: translateY(100%);
    transition: transform 0.35s ease;
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

.gallery-title {
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 0.35rem;
}

.gallery-description {
    font-size: 0.8rem;
    line-height: 1.4;
    opacity: 0.65;
}

/* ── Image block ── */
.image-container {
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0,0,0,0.1);
    margin-top: 1.5rem;
}

.image-container img {
    width: 100%;
    display: block;
    object-fit: cover;
    transition: transform 0.4s;
}

.image-container:hover img {
    transform: scale(1.02);
}

.image-caption {
    font-size: 0.85rem;
    opacity: 0.55;
    letter-spacing: 0.05em;
    margin-top: 0.75rem;
    font-style: italic;
}

.image-container-short + .image-caption {
    max-width: 50%;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

/* ── Image block short ── */
.image-container-short {
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0,0,0,0.1);
    margin-top: 1.5rem;
    max-width: 50%;
    margin-left: auto;
    margin-right: auto;
}

.image-container-short img {
    width: 100%;
    display: block;
    object-fit: cover;
    transition: transform 0.4s;
}

/* ── Split section ── */
.split-section {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: var(--gap);
    align-items: center;
}

.split-image {
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0,0,0,0.1);
    aspect-ratio: 4/3;
}

.split-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s;
}

.split-image:hover img {
    transform: scale(1.02);
}

.split-image-caption {
    font-size: 0.8rem;
    opacity: var(--muted);
    letter-spacing: 0.05em;
    margin-top: 0.6rem;
    font-style: italic;
}

/* ── Dropdown ── */
.dropdown-container {
    position: relative;
    display: inline-block;
}

.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    background: #fff;
    min-width: 280px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    z-index: 10;
    padding: 0.5rem 0;
    grid-template-columns: 1fr 1fr;
    gap: 0.25rem;
}

.dropdown-content a {
    display: block;
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.dropdown-content a:hover {
    background: #f4f4f4;
}

.dropdown-container:hover .dropdown-content {
    display: grid;
}

.dropdown-container:hover .dropdown-link {
    text-decoration: underline;
}

/* ── Footer ── */
.footer {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 1.5rem var(--pad);
    border-top: 1px solid rgba(0,0,0,0.1);
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    opacity: 0.7;
}

.footer-copy { margin-left: auto; }

/* ── Responsive ── */
@media (max-width: 1024px) {
    :root { --pad: 3rem; --gap: 2.5rem; }
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    :root { --pad: 1.5rem; --gap: 2rem; }
    .gallery-grid { grid-template-columns: 1fr; }
    .split-section { grid-template-columns: 1fr; gap: 1.5rem; }
}

/* ── Mobile: disable inline hover overlays, use bottom popup instead ── */
@media (hover: none) {
    .gallery-item:hover {
        transform: none;
        border-color: rgba(0,0,0,0.1);
        box-shadow: none;
    }
    .gallery-overlay {
        display: none !important;
    }
}

/* ── Mobile popup ── */
#mobile-popup-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 900;
    background: transparent;
}

#mobile-popup {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 901;
    background: #fff;
    border-top: 2px solid rgba(0,0,0,0.12);
    padding: 1.25rem 1.5rem 2rem;
    transform: translateY(100%);
    transition: transform 0.32s cubic-bezier(0.32, 0.72, 0, 1);
    box-shadow: 0 -8px 32px rgba(0,0,0,0.1);
    pointer-events: none;
}

#mobile-popup.is-open {
    transform: translateY(0);
    pointer-events: auto;
}

#mobile-popup-backdrop.is-open {
    display: block;
}

#mobile-popup-handle {
    width: 36px;
    height: 4px;
    background: rgba(0,0,0,0.15);
    border-radius: 2px;
    margin: 0 auto 1rem;
}

#mobile-popup-title {
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

#mobile-popup-desc {
    font-size: 0.9rem;
    line-height: 1.6;
    opacity: 0.65;
}

#mobile-popup-link {
    display: inline-block;
    margin-top: 0.75rem;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-decoration: underline;
    opacity: 0.8;
}