/* ═══════════════════════════════
   NAV
═══════════════════════════════ */
.cs-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--nav-h);
    background: var(--white);
    border-bottom: 1px solid var(--g2);
    transition: border-color 0.3s;
}

.cs-nav.dark { border-bottom-color: var(--black); }

.cs-nav-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 40px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.cs-back {
    font-family: 'Syne Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.06em;
    color: var(--g3);
    text-decoration: none;
    transition: color 0.2s;
    min-height: 44px;
    display: flex;
    align-items: center;
}

.cs-back:hover { color: var(--black); }

.cs-nav-label {
    font-family: 'Syne Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--g3);
}

.cs-nav-cta {
    font-family: 'Syne Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.06em;
    text-decoration: none;
    color: var(--white);
    background: var(--black);
    padding: 0.5rem 1.1rem;
    transition: opacity 0.2s;
    min-height: 44px;
    display: flex;
    align-items: center;
}

.cs-nav-cta:hover { opacity: 0.7; }


/* ═══════════════════════════════
   HERO
═══════════════════════════════ */
.cs-hero {
    border-bottom: 1px solid var(--g2);
    animation: fadeUp 0.5s ease forwards;
}

.cs-hero-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 72px 40px 56px;
}

.cs-cat {
    font-family: 'Syne Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--g3);
    margin-bottom: 1.25rem;
}

.cs-title {
    font-weight: 800;
    font-size: clamp(48px, 7vw, 96px);
    letter-spacing: -0.035em;
    line-height: 0.9;
    margin-bottom: 1.75rem;
}

.cs-tagline {
    font-size: 16px;
    line-height: 1.6;
    color: var(--g4);
    max-width: 560px;
}


/* ═══════════════════════════════
   COVER IMAGE
═══════════════════════════════ */
.cs-cover {
    width: 100%;
    aspect-ratio: 16 / 7;
    background-color: var(--g1);
    background-image: repeating-linear-gradient(
        -45deg,
        transparent, transparent 8px,
        rgba(0, 0, 0, 0.04) 8px, rgba(0, 0, 0, 0.04) 16px
    );
    border-bottom: 1px solid var(--g2);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

.cs-placeholder-lbl {
    font-family: 'Syne Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--g3);
}


/* ═══════════════════════════════
   PROJECT META
═══════════════════════════════ */
.cs-meta {
    border-bottom: 1px solid var(--g2);
}

.cs-meta-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 40px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    background: var(--g2);
    gap: 1px;
    border-left: 1px solid var(--g2);
    border-right: 1px solid var(--g2);
}

.cs-meta-item {
    background: var(--white);
    padding: 28px 32px;
}

.cs-meta-label {
    font-family: 'Syne Mono', monospace;
    font-size: 9px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--g3);
    margin-bottom: 8px;
}

.cs-meta-value {
    font-size: 14px;
    font-weight: 600;
    color: var(--black);
    letter-spacing: -0.01em;
}

.cs-meta-value a {
    color: var(--black);
    text-decoration: none;
    border-bottom: 1px solid var(--g2);
    transition: border-color 0.2s;
}

.cs-meta-value a:hover { border-bottom-color: var(--black); }


/* ═══════════════════════════════
   CONTENT SECTIONS
═══════════════════════════════ */
.cs-content {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 40px 80px;
}

.cs-section {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 3rem;
    padding: 56px 0;
    border-bottom: 1px solid var(--g2);
}

.cs-section-label {
    font-family: 'Syne Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--g3);
    padding-top: 4px;
}

.cs-section-body {
    font-size: 15px;
    line-height: 1.8;
    color: var(--g4);
    max-width: 640px;
}

.cs-section-body p { margin-bottom: 1.25rem; }
.cs-section-body p:last-child { margin-bottom: 0; }

.cs-section-body strong { color: var(--black); font-weight: 700; }


/* ═══════════════════════════════
   IMAGE LAYOUTS
═══════════════════════════════ */
.cs-img-row {
    display: grid;
    gap: 1px;
    background: var(--g2);
    border-top: 1px solid var(--g2);
    border-bottom: 1px solid var(--g2);
    margin: 0 -40px;
}

.cs-img-row.two { grid-template-columns: 1fr 1fr; }
.cs-img-row.three { grid-template-columns: 1fr 1fr 1fr; }
.cs-img-row.full { grid-template-columns: 1fr; }

.cs-img-cell {
    aspect-ratio: 4 / 3;
    background-color: var(--g1);
    background-image: repeating-linear-gradient(
        -45deg,
        transparent, transparent 6px,
        rgba(0, 0, 0, 0.04) 6px, rgba(0, 0, 0, 0.04) 12px
    );
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.cs-img-row.full .cs-img-cell { aspect-ratio: 21 / 9; }

.cs-img-cell img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.cs-img-cell .cs-placeholder-lbl { font-size: 9px; }


/* ═══════════════════════════════
   NEXT PROJECT
═══════════════════════════════ */
.cs-next {
    border-top: 1px solid var(--g2);
}

.cs-next-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1280px;
    margin: 0 auto;
    padding: 48px 40px;
    text-decoration: none;
    color: var(--black);
    transition: background 0.2s;
    -webkit-tap-highlight-color: transparent;
}

.cs-next-link:hover { background: var(--g1); }

.cs-next-label {
    font-family: 'Syne Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--g3);
    margin-bottom: 4px;
    display: block;
}

.cs-next-name {
    font-weight: 800;
    font-size: clamp(22px, 3vw, 36px);
    letter-spacing: -0.025em;
    display: block;
}

.cs-next-arrow {
    font-size: 32px;
    color: var(--g3);
    flex-shrink: 0;
    transition: transform 0.2s, color 0.2s;
}

.cs-next-link:hover .cs-next-arrow {
    transform: translateX(6px);
    color: var(--black);
}


/* ═══════════════════════════════
   FOOTER (shared with main site)
═══════════════════════════════ */
.site-footer { border-top: 1px solid var(--g2); }

.footer-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 32px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.footer-left { display: flex; align-items: center; gap: 2rem; flex-wrap: wrap; }

.footer-brand {
    font-family: 'Syne Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--black);
}

.footer-stamp {
    font-family: 'Syne Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.08em;
    color: var(--g3);
}


/* ═══════════════════════════════
   RESPONSIVE
═══════════════════════════════ */
@media (max-width: 960px) {
    .cs-nav-inner { padding: 0 24px; }
    .cs-nav-cta { display: none; }
    .cs-hero-inner { padding: 48px 24px 40px; }
    .cs-title { font-size: clamp(40px, 10vw, 72px); }

    .cs-meta-inner {
        grid-template-columns: 1fr 1fr;
        padding: 0;
        border-left: none;
        border-right: none;
    }

    .cs-content { padding: 0 24px 60px; }

    .cs-section {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 40px 0;
    }

    .cs-img-row { margin: 0 -24px; }
    .cs-img-row.two { grid-template-columns: 1fr; }
    .cs-img-row.three { grid-template-columns: 1fr; }
    .cs-img-row.full .cs-img-cell { aspect-ratio: 4 / 3; }

    .cs-next-link { padding: 40px 24px; }
    .footer-inner { padding: 28px 24px; }
}

@media (max-width: 480px) {
    .cs-meta-inner { grid-template-columns: 1fr; }
    .cs-meta-item { padding: 20px 24px; }
}