/* ============================================
   SIDO CO-OP — CASE STUDY
   Blue accent, Perry Wang–inspired editorial
   ============================================ */

/* ===== TOKENS ===== */
:root {
    --sido-blue:        #3aaee0;
    --sido-blue-dim:    rgba(58, 174, 224, 0.10);
    --sido-blue-border: rgba(58, 174, 224, 0.22);
    --sido-blue-glow:   rgba(58, 174, 224, 0.06);
}


/* ─────────────────────────────────────────
   PAGE WRAPPER
   ───────────────────────────────────────── */
.cs {
    --accent: var(--sido-blue);
    --accent-dim: var(--sido-blue-dim);
    --accent-border: var(--sido-blue-border);
    scroll-behavior: smooth;
    scroll-padding-top: 2rem;
    position: relative;
    overflow-x: clip;
}

/* ── Page ambience: colored atmospheric layers ── */

/* Top: hero wash — gradient spilling down from the top */
.cs::before {
    content: '';
    position: absolute;
    top: 0;
    left: -10%;
    right: -10%;
    height: 100vh;
    background: radial-gradient(ellipse 80% 60% at 50% 0%, color-mix(in srgb, var(--accent) 8%, transparent) 0%, transparent 100%);
    pointer-events: none;
    z-index: 0;
}

/* Bottom: closing wash near footer */
.cs::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: -10%;
    right: -10%;
    height: 60vh;
    background: radial-gradient(ellipse 80% 60% at 50% 100%, color-mix(in srgb, var(--accent) 6%, transparent) 0%, transparent 100%);
    pointer-events: none;
    z-index: 0;
}

/* Ensure content sits above ambience */
.cs-hero,
.cs-body,
.cs-crosslink-row,
.cs-crosslink,
.cs-footer {
    position: relative;
    z-index: 1;
}



/* Edge vignette — very subtle colored light on left/right */
.cs-body::before,
.cs-body::after {
    content: '';
    position: fixed;
    top: 0;
    bottom: 0;
    width: 120px;
    pointer-events: none;
    z-index: 0;
    opacity: 0.4;
}
.cs-body::before {
    left: 0;
    background: linear-gradient(90deg, color-mix(in srgb, var(--accent) 4%, transparent) 0%, transparent 100%);
}
.cs-body::after {
    right: 0;
    background: linear-gradient(-90deg, color-mix(in srgb, var(--accent) 4%, transparent) 0%, transparent 100%);
}

/* MetaShift purple accent override */
.cs--metashift {
    --accent:        #c084fc;
    --accent-dim:    rgba(192, 132, 252, 0.10);
    --accent-border: rgba(192, 132, 252, 0.22);
}


/* ─────────────────────────────────────────
   METASHIFT — VIDEO CARD (compact YT style)
   ───────────────────────────────────────── */
.cs-vidcard {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) 1fr;
    gap: 1.5rem;
    align-items: center;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 1rem;
    margin-bottom: 2.5rem;
    transition: border-color 0.3s, box-shadow 0.4s;
}
.cs-vidcard:hover {
    border-color: var(--accent-border);
    box-shadow: 0 8px 28px rgba(0,0,0,0.25);
}
.cs-vidcard__thumb {
    border-radius: 10px;
    overflow: hidden;
    position: relative;
}
.cs-vidcard__thumb img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    display: block;
}
.cs-vidcard__dur {
    position: absolute;
    bottom: 0.4rem;
    right: 0.4rem;
    font-size: 0.62rem;
    font-weight: 600;
    color: #fff;
    background: rgba(0,0,0,0.7);
    padding: 0.1rem 0.4rem;
    border-radius: 4px;
    letter-spacing: 0.02em;
}
.cs-vidcard__info {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.cs-vidcard__title {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text);
    line-height: 1.35;
}
.cs-vidcard__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    font-size: 0.7rem;
    color: var(--text-muted);
}
.cs-vidcard__meta span {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}
.cs-vidcard__meta strong {
    color: var(--accent);
    font-weight: 600;
}
.cs-vidcard__caption {
    font-size: 0.76rem;
    color: var(--text-dim);
    line-height: 1.55;
    font-style: italic;
}

/* Clickable vidcard link variant */
.cs-vidcard--link {
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}
.cs-vidcard__play {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}
.cs-vidcard__play svg {
    filter: drop-shadow(0 2px 8px rgba(0,0,0,0.5));
    transition: transform 0.35s var(--ease);
}
.cs-vidcard--link:hover .cs-vidcard__play {
    opacity: 1;
}
.cs-vidcard--link:hover .cs-vidcard__play svg {
    transform: scale(1.15);
}

@media (max-width: 640px) {
    .cs-vidcard { grid-template-columns: 1fr; }
}


/* ─────────────────────────────────────────
   METASHIFT — THUMBNAIL ITERATION GRID
   ───────────────────────────────────────── */
.cs-iter-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
}
.cs-iter-grid__item {
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--border);
    position: relative;
    cursor: pointer;
    transition: border-color 0.3s, transform 0.4s var(--ease), box-shadow 0.4s;
}
.cs-iter-grid__item:hover {
    border-color: var(--accent-border);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 10px 28px rgba(0,0,0,0.3);
    z-index: 2;
}
.cs-iter-grid__item img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    display: block;
    transition: transform 0.6s var(--ease);
}
.cs-iter-grid__item:hover img { transform: scale(1.05); }
.cs-iter-grid__tag {
    position: absolute;
    bottom: 0.35rem;
    right: 0.35rem;
    font-size: 0.5rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #fff;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(6px);
    padding: 0.15rem 0.4rem;
    border-radius: 100px;
}
/* Final version — highlighted */
.cs-iter-grid__item--final {
    border-color: var(--accent-border);
    grid-column: span 1;
}
.cs-iter-grid__item--final .cs-iter-grid__tag {
    background: var(--accent);
    color: #000;
}

@media (max-width: 640px) {
    .cs-iter-grid { grid-template-columns: repeat(2, 1fr); }
}


/* ─────────────────────────────────────────
   METASHIFT — VIRAL VIDEO CARD
   ───────────────────────────────────────── */
.cs-viral-card {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 1.5rem;
    align-items: start;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 1rem;
    transition: border-color 0.3s;
}
.cs-viral-card:hover { border-color: var(--accent-border); }
/* Peak moment treatment — center stage backlight */
.cs-viral-card--peak {
    position: relative;
    border-color: var(--accent-border);
    box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 10%, transparent),
                0 20px 50px rgba(0, 0, 0, 0.35);
}
.cs-viral-card--peak::before {
    content: '';
    position: absolute;
    inset: -25%;
    border-radius: 50%;
    background: radial-gradient(ellipse at 50% 50%, color-mix(in srgb, var(--accent) 14%, transparent) 0%, transparent 60%);
    pointer-events: none;
    z-index: -1;
    filter: blur(25px);
}
.cs-viral-card--peak:hover {
    box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 18%, transparent),
                0 0 50px color-mix(in srgb, var(--accent) 12%, transparent),
                0 24px 60px rgba(0, 0, 0, 0.4);
}
.cs-viral-card__thumb {
    border-radius: 10px;
    overflow: hidden;
    position: relative;
}
.cs-viral-card__thumb img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    display: block;
}
.cs-viral-card__duration {
    position: absolute;
    bottom: 0.5rem;
    right: 0.5rem;
    background: rgba(0, 0, 0, 0.8);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    letter-spacing: 0.02em;
    z-index: 2;
}
.cs-viral-card__info {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    padding: 0.25rem 0;
}
.cs-viral-card__title {
    font-family: 'Inter', var(--font-body);
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text);
    line-height: 1.4;
}
.cs-viral-card__stats {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem 1.2rem;
}
.cs-viral-card__stat-item {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}
.cs-viral-card__stat-item strong {
    font-family: 'Inter', var(--font-body);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: -0.02em;
}
.cs-viral-card__stat-item span {
    font-size: 0.58rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-dim);
}
.cs-viral-card__desc {
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.7;
}
/* Inline links inside viral card */
.cs-viral-card__links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 0.2rem;
}
.cs-viral-card__link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.64rem;
    font-weight: 500;
    color: var(--text-muted);
    text-decoration: none;
    padding: 0.3rem 0.6rem;
    border-radius: 100px;
    border: 1px solid var(--border);
    background: transparent;
    transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.cs-viral-card__link:hover {
    color: var(--accent);
    border-color: var(--accent-border);
    background: var(--accent-dim);
}
.cs-viral-card__link svg { flex-shrink: 0; }

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




/* ─────────────────────────────────────────
   METASHIFT — ANALYTICS SECTION
   ───────────────────────────────────────── */
.cs-analytics {
    margin-top: 4rem;
    padding-top: 2.5rem;
    border-top: 1px solid var(--border);
}
.cs-analytics__img {
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid var(--border);
    margin-top: 1rem;
}
.cs-analytics__img img {
    width: 100%;
    display: block;
}


/* ─────────────────────────────────────────
   METASHIFT — COMMUNITY STRIP (horizontal)
   ───────────────────────────────────────── */
.cs-comm-strip {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 1rem;
}
.cs-comm-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    overflow: hidden;
    cursor: pointer;
    transition: border-color 0.3s, transform 0.4s var(--ease), box-shadow 0.4s;
}
.cs-comm-card:hover {
    border-color: var(--accent-border);
    transform: translateY(-3px);
    box-shadow: 0 10px 28px rgba(0,0,0,0.25);
}
.cs-comm-card img {
    width: 100%;
    display: block;
    aspect-ratio: 1;
    object-fit: cover;
    object-position: top center;
}
.cs-comm-card__caption {
    padding: 0.6rem 0.85rem;
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 500;
    line-height: 1.5;
    border-top: 1px solid var(--border);
}

@media (max-width: 640px) {
    .cs-comm-strip { grid-template-columns: 1fr; }
}


/* ─────────────────────────────────────────
   METASHIFT — MILESTONE ACCELERATION TIMELINE
   ───────────────────────────────────────── */
.cs-milestones {
    margin-top: 2.5rem;
    margin-bottom: 2.5rem;
}
.cs-milestones__track {
    position: relative;
    padding-left: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}
/* Vertical line */
.cs-milestones__track::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 0.5rem;
    bottom: 0.5rem;
    width: 2px;
    background: linear-gradient(
        to bottom,
        var(--border) 0%,
        var(--accent-border) 40%,
        var(--accent) 100%
    );
}

/* --- Milestone node --- */
.cs-milestone {
    position: relative;
}
.cs-milestone__marker {
    position: absolute;
    left: -2.5rem;
    top: 1rem;
    display: flex;
    align-items: center;
}
.cs-milestone__dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 2px solid var(--border);
    background: var(--bg, #0e0e0c);
    position: relative;
    z-index: 2;
    transition: border-color 0.4s, box-shadow 0.4s;
}
.cs-milestone--1 .cs-milestone__dot { border-color: var(--accent-border); }
.cs-milestone--2 .cs-milestone__dot { border-color: var(--accent); background: var(--accent-dim); }
.cs-milestone__dot--glow {
    border-color: var(--accent);
    background: var(--accent);
    box-shadow: 0 0 12px var(--accent), 0 0 24px color-mix(in srgb, var(--accent) 25%, transparent);
}

/* --- Card --- */
.cs-milestone__card {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1.25rem;
    align-items: center;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 1rem;
    transition: border-color 0.3s, box-shadow 0.4s;
}
.cs-milestone__card:hover {
    border-color: var(--accent-border);
    box-shadow: 0 8px 28px rgba(0,0,0,0.2);
}

/* Image sizes scale up per milestone */
.cs-milestone--1 .cs-milestone__img {
    width: 140px;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--border);
}
.cs-milestone--2 .cs-milestone__img {
    width: 220px;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--border);
}
.cs-milestone__img img {
    width: 100%;
    display: block;
}

/* Info */
.cs-milestone__date {
    display: inline-block;
    font-size: 0.56rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.3rem;
    padding: 0.15rem 0.5rem;
    border-radius: 100px;
    background: var(--accent-dim);
    border: 1px solid var(--accent-border);
}
.cs-milestone__title {
    font-family: 'Inter', var(--font-body);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text);
    letter-spacing: -0.01em;
    margin-bottom: 0.3rem;
}
.cs-milestone__desc {
    font-size: 0.78rem;
    color: var(--text-muted);
    line-height: 1.65;
}

/* --- Milestone 3: Full-width explosion card --- */
.cs-milestone__card--full {
    grid-template-columns: 1fr;
    gap: 1rem;
}

/* Scroll-through image container */
.cs-milestone__scroll-img {
    border-radius: 10px;
    overflow-y: auto;
    overflow-x: hidden;
    border: 1px solid var(--border);
    max-height: 280px;
    position: relative;
    scrollbar-width: thin;
    scrollbar-color: color-mix(in srgb, var(--accent) 20%, transparent) transparent;
}
.cs-milestone__scroll-img img {
    width: 100%;
    display: block;
}
/* Clickable milestone images */
.cs-milestone__img--clickable {
    cursor: pointer;
    transition: transform 0.3s var(--ease), box-shadow 0.3s;
}
.cs-milestone__img--clickable:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.25);
}

/* Scroll hint — fades out after animation ends */
.cs-scroll-hint {
    position: absolute;
    bottom: 0.75rem;
    right: 0.75rem;
    font-size: 0.58rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent);
    background: rgba(14, 14, 12, 0.85);
    backdrop-filter: blur(8px);
    padding: 0.3rem 0.65rem;
    border-radius: 100px;
    border: 1px solid var(--accent-border);
    z-index: 5;
    opacity: 1;
    transition: opacity 0.6s;
    pointer-events: none;
}
.cs-scroll-hint.is-hidden { opacity: 0; }

@media (max-width: 640px) {
    .cs-milestone__card { grid-template-columns: 1fr; }
    .cs-milestone--1 .cs-milestone__img,
    .cs-milestone--2 .cs-milestone__img { width: 100%; }
    .cs-milestones__track { padding-left: 2rem; }
    .cs-milestone__marker { left: -2rem; }
}


/* ─────────────────────────────────────────
   METASHIFT — BEST MOMENTS AUTO-CAROUSEL
   ───────────────────────────────────────── */
.cs-bm-carousel {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--border);
    cursor: pointer;
}
.cs-bm-carousel__slide {
    display: none;
    position: relative;
}
.cs-bm-carousel__slide--active {
    display: block;
    animation: bmFadeIn 0.5s ease;
}
/* Per-slide dimming — each slide shows 4 thumbnails side by side */
.cs-bm-carousel__slide::after {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    border-radius: 10px;
}
/* Slide 1: dim leftmost 25% (first thumbnail) */
.cs-bm-carousel__slide--s1::after {
    background: linear-gradient(to right,
        rgba(0,0,0,0.55) 0%, rgba(0,0,0,0.55) 25%,
        transparent 25%, transparent 100%
    );
}
/* Slide 2 & 3: dim everything except 25-50% (second thumbnail) */
.cs-bm-carousel__slide--s2::after,
.cs-bm-carousel__slide--s3::after {
    background: linear-gradient(to right,
        rgba(0,0,0,0.55) 0%, rgba(0,0,0,0.55) 25%,
        transparent 25%, transparent 50%,
        rgba(0,0,0,0.55) 50%, rgba(0,0,0,0.55) 100%
    );
}

/* EMEA Masters — dim non-EMEA thumbnails in 4×4 grid */
.cs-emea-overlay { position: relative; }
.cs-emea-dim {
    position: absolute;
    background: rgba(0,0,0,0.55);
    pointer-events: none;
    z-index: 1;
}
@keyframes bmFadeIn {
    from { opacity: 0; transform: scale(1.02); }
    to { opacity: 1; transform: scale(1); }
}
.cs-bm-carousel__slide img {
    width: 100%;
    display: block;
}
/* Progress bars — below carousel */
.cs-bm-carousel__progress {
    display: flex;
    gap: 4px;
    margin-top: 0.6rem;
}
.cs-bm-carousel__bar {
    flex: 1;
    height: 3px;
    border-radius: 2px;
    background: rgba(255,255,255,0.2);
    overflow: hidden;
    position: relative;
}
.cs-bm-carousel__bar--active {
    background: rgba(255,255,255,0.15);
}
.cs-bm-carousel__bar--active::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--accent);
    animation: bmBarFill 5s linear forwards;
}
@keyframes bmBarFill {
    from { width: 0; }
    to { width: 100%; }
}


/* ─────────────────────────────────────────
   METASHIFT — VIRAL CARD BRAND-COLOR PILLS
   ───────────────────────────────────────── */
.cs-viral-card__link--yt:hover {
    color: #ff0000;
    border-color: rgba(255, 0, 0, 0.3);
    background: rgba(255, 0, 0, 0.08);
}
.cs-viral-card__link--reddit:hover {
    color: #ff4500;
    border-color: rgba(255, 69, 0, 0.3);
    background: rgba(255, 69, 0, 0.08);
}
.cs-viral-card__link--sheep:hover {
    color: var(--text);
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.06);
}

/* Viral card metrics */
.cs-viral-card__metric {
    font-family: 'Inter', var(--font-body);
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--text);
    letter-spacing: -0.02em;
}


/* ─────────────────────────────────────────
   REFLECTION CARD ICONS
   ───────────────────────────────────────── */
.cs-card--icon {
    position: relative;
    padding-top: 2.5rem;
}
.cs-card__icon {
    position: absolute;
    top: 0.85rem;
    right: 0.85rem;
    opacity: 0.35;
}

/* ─────────────────────────────────────────
   REFLECTION CARDS — dedicated layout
   ───────────────────────────────────────── */
.cs-reflection-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}
.cs-reflection-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 1.5rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    transition: border-color 0.3s, transform 0.4s var(--ease), box-shadow 0.4s;
}
.cs-reflection-card:hover {
    border-color: var(--accent-border);
    transform: translateY(-3px);
    box-shadow: 0 10px 28px rgba(0,0,0,0.25);
}
.cs-reflection-card svg {
    opacity: 0.5;
    flex-shrink: 0;
}
.cs-reflection-card:hover svg {
    opacity: 0.8;
}
.cs-reflection-card__kicker {
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent);
}
.cs-reflection-card p {
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin: 0;
}
@media (max-width: 768px) {
    .cs-reflection-grid { grid-template-columns: 1fr; }
}


/* ─────────────────────────────────────────
   HINDSIGHT / IN RETROSPECT ASIDE
   ───────────────────────────────────────── */
.cs-hindsight {
    position: relative;
    margin: 2.5rem 0 0;
    padding: 1.25rem 1.5rem;
    border-left: none;
    background: color-mix(in srgb, var(--accent) 3%, transparent);
    border-radius: 0 8px 8px 0;
    font-style: italic;
}
.cs-hindsight::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 3px;
    height: 0%;
    background: var(--accent-border);
    border-radius: 2px;
    transition: height 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.15s;
}
.cs-hindsight.is-visible::before {
    height: 100%;
}
.cs-hindsight__label {
    display: block;
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent);
    opacity: 0.6;
    margin-bottom: 0.5rem;
    font-style: normal;
}
.cs-hindsight p {
    font-size: 0.85rem;
    line-height: 1.7;
    color: var(--text-2);
    margin: 0;
}


/* ─────────────────────────────────────────
   DOORS OPENED — ORG CARDS
   ───────────────────────────────────────── */
.cs-doors {
    margin-top: 3rem;
    padding-top: 2.5rem;
    border-top: 1px solid var(--border);
}
.cs-doors__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}
.cs-doors__card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
    position: relative;
}
/* Shine sweep on hover */
.cs-doors__card::before {
    content: '';
    position: absolute;
    top: 0; left: -75%;
    width: 50%; height: 100%;
    background: linear-gradient(105deg, transparent 40%, rgba(255,255,255,0.06) 45%, rgba(255,255,255,0.12) 50%, rgba(255,255,255,0.06) 55%, transparent 60%);
    transition: left 0.6s ease;
    z-index: 1;
    pointer-events: none;
}
.cs-doors__card:hover::before {
    left: 125%;
}
.cs-doors__card:hover {
    transform: translateY(-4px);
}
.cs-doors__card--flyquest {
    border-color: rgba(60, 140, 62, 0.25);
    box-shadow: 0 4px 20px rgba(60, 140, 62, 0.08);
    background: linear-gradient(160deg, var(--surface), rgba(60, 140, 62, 0.04));
}
.cs-doors__card--flyquest:hover {
    border-color: rgba(60, 140, 62, 0.6);
    box-shadow: 0 8px 40px rgba(60, 140, 62, 0.2), 0 0 60px rgba(60, 140, 62, 0.08), inset 0 1px 0 rgba(60, 140, 62, 0.1);
}
.cs-doors__card--c9 {
    border-color: rgba(0, 157, 219, 0.25);
    box-shadow: 0 4px 20px rgba(0, 157, 219, 0.08);
    background: linear-gradient(160deg, var(--surface), rgba(0, 157, 219, 0.04));
}
.cs-doors__card--c9:hover {
    border-color: rgba(0, 157, 219, 0.6);
    box-shadow: 0 8px 40px rgba(0, 157, 219, 0.2), 0 0 60px rgba(0, 157, 219, 0.08), inset 0 1px 0 rgba(0, 157, 219, 0.1);
}
.cs-doors__card--sido:hover    { border-color: rgba(58, 174, 224, 0.4); box-shadow: 0 10px 32px rgba(58, 174, 224, 0.1); }

/* SIDO card — landed role, subtle accent indicator */
.cs-doors__card--sido {
    border-color: rgba(58, 174, 224, 0.2);
}

/* Featured door card — the one that leads to a full case study */
.cs-doors__card--featured {
    text-decoration: none;
    color: inherit;
    border-color: rgba(58, 174, 224, 0.35);
    background: linear-gradient(135deg, var(--surface), rgba(58, 174, 224, 0.04));
    box-shadow: 0 0 0 1px rgba(58, 174, 224, 0.06), 0 4px 20px rgba(58, 174, 224, 0.08);
}
.cs-doors__card--featured:hover {
    border-color: rgba(58, 174, 224, 0.5);
    box-shadow: 0 0 0 1px rgba(58, 174, 224, 0.12), 0 8px 36px rgba(58, 174, 224, 0.15);
    transform: translateY(-4px);
}
.cs-doors__card--featured .cs-doors__link {
    font-weight: 600;
}

/* Image banner at top of card */
.cs-doors__img {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.75rem;
    min-height: 110px;
    position: relative;
}
/* Ambient glow behind logo */
.cs-doors__img::after {
    content: '';
    position: absolute;
    width: 80px; height: 80px;
    border-radius: 50%;
    filter: blur(30px);
    opacity: 0.4;
    transition: opacity 0.4s, transform 0.4s;
    pointer-events: none;
}
.cs-doors__card--flyquest .cs-doors__img::after {
    background: #3c8c3e;
}
.cs-doors__card--c9 .cs-doors__img::after {
    background: #009ddb;
}
.cs-doors__card:hover .cs-doors__img::after {
    opacity: 0.65;
    transform: scale(1.3);
}
.cs-doors__img img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(255,255,255,0.12);
    transition: transform 0.4s var(--ease), border-color 0.3s;
    position: relative;
    z-index: 1;
}
.cs-doors__card:hover .cs-doors__img img {
    transform: scale(1.1);
}
.cs-doors__card--flyquest:hover .cs-doors__img img {
    border-color: rgba(60, 140, 62, 0.5);
}
.cs-doors__card--c9:hover .cs-doors__img img {
    border-color: rgba(0, 157, 219, 0.5);
}

/* Card body */
.cs-doors__body {
    padding: 1rem 1.25rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    flex: 1;
}
.cs-doors__org {
    display: block;
    font-family: 'Inter', var(--font-body);
    font-size: 1.1rem;
    font-weight: 600;
    line-height: 1.2;
    text-decoration: none;
    transition: opacity 0.2s;
}
a.cs-doors__org:hover { opacity: 0.8; }
.cs-doors__role {
    display: block;
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-2);
    margin-top: 0.2rem;
}
.cs-doors__desc {
    font-size: 0.78rem;
    color: var(--text-muted);
    line-height: 1.65;
    margin-top: 0.4rem;
    margin-bottom: 0.75rem;
    flex: 1;
}
.cs-doors__desc strong {
    color: var(--text);
}
.cs-doors__link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.68rem;
    font-weight: 600;
    text-decoration: none;
    padding: 0.35rem 0.75rem;
    border-radius: 100px;
    border: 1px solid var(--border);
    color: var(--text-2);
    transition: color 0.25s, border-color 0.25s, background 0.25s, box-shadow 0.25s, transform 0.25s;
}
.cs-doors__link:hover {
    transform: translateY(-1px);
}
.cs-doors__link--flyquest:hover {
    color: #4caf50;
    border-color: rgba(60, 140, 62, 0.5);
    background: rgba(60, 140, 62, 0.12);
    box-shadow: 0 2px 12px rgba(60, 140, 62, 0.2);
}
.cs-doors__link--sido:hover {
    color: #3aaee0;
    border-color: rgba(58, 174, 224, 0.4);
    background: rgba(58, 174, 224, 0.08);
}

@media (max-width: 768px) {
    .cs-doors__grid { grid-template-columns: 1fr; }
}


/* ─────────────────────────────────────────
   CTR COMPARISON BARS
   ───────────────────────────────────────── */
.cs-ctr-compare {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-width: 500px;
}
.cs-ctr-compare::before {
    content: '';
    position: absolute;
    top: -60%;
    left: -20%;
    right: -20%;
    bottom: -60%;
    border-radius: 50%;
    background: radial-gradient(ellipse at 50% 50%, color-mix(in srgb, var(--accent) 12%, transparent) 0%, transparent 55%);
    pointer-events: none;
    z-index: -1;
    filter: blur(18px);
}
.cs-ctr-compare__bar {
    height: 2.2rem;
    background: rgba(255,255,255,0.03);
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid var(--border);
}
.cs-ctr-compare__fill {
    height: 100%;
    border-radius: 5px;
    display: flex;
    transition: width 1s cubic-bezier(0.22, 1, 0.36, 1);
    align-items: center;
    justify-content: space-between;
    padding: 0 0.75rem;
    transition: width 1.2s cubic-bezier(0.22, 1, 0.36, 1);
}
.cs-ctr-compare__fill--avg {
    background: rgba(255,255,255,0.06);
}
.cs-ctr-compare__fill--you {
    background: linear-gradient(90deg, color-mix(in srgb, var(--accent) 18%, transparent), color-mix(in srgb, var(--accent) 30%, transparent));
    border: 1px solid var(--accent-border);
    box-shadow: 0 0 20px color-mix(in srgb, var(--accent) 12%, transparent);
}
.cs-ctr-compare__label {
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-2);
}
.cs-ctr-compare__fill--you .cs-ctr-compare__label {
    color: var(--text);
}
.cs-ctr-compare__val {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-2);
}
.cs-ctr-compare__fill--you .cs-ctr-compare__val {
    color: var(--accent);
}


/* ─────────────────────────────────────────
   ASSET GLOW / FLAIR ANIMATION
   ───────────────────────────────────────── */
.cs-asset-glow {
    border-radius: 10px;
    transition: transform 0.4s var(--ease), box-shadow 0.4s;
    animation: assetPulse 4s ease-in-out infinite;
}
.cs-asset-glow:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 36px color-mix(in srgb, var(--accent) 15%, transparent), 0 0 0 1px var(--accent-border);
    animation-play-state: paused;
}
@keyframes assetPulse {
    0%, 100% { box-shadow: 0 0 0 0 transparent; }
    50% { box-shadow: 0 4px 24px color-mix(in srgb, var(--accent) 10%, transparent), 0 0 0 1px color-mix(in srgb, var(--accent) 8%, transparent); }
}
.cs-asset-glow img {
    border-radius: 10px;
}


/* ─────────────────────────────────────────
   APPLE-STYLE MAGNIFY LENS
   ───────────────────────────────────────── */
.cs-magnify {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    border: 1px solid var(--border);
    cursor: none;
}
.cs-magnify img {
    width: 100%;
    display: block;
}
.cs-magnify__lens {
    position: absolute;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    border: 2px solid var(--accent);
    box-shadow: 0 0 0 1px rgba(0,0,0,0.3), 0 8px 32px rgba(0,0,0,0.5), inset 0 0 30px var(--accent-dim);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s;
    z-index: 10;
    background-repeat: no-repeat;
    transform: translate(-50%, -50%);
}
.cs-magnify:hover .cs-magnify__lens {
    opacity: 1;
}
.cs-magnify__hint {
    position: absolute;
    bottom: 0.75rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.58rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent);
    background: rgba(14, 14, 12, 0.85);
    backdrop-filter: blur(8px);
    padding: 0.3rem 0.75rem;
    border-radius: 100px;
    border: 1px solid var(--accent-border);
    pointer-events: none;
    opacity: 1;
    transition: opacity 0.4s;
    z-index: 5;
}
.cs-magnify:hover .cs-magnify__hint {
    opacity: 0;
}
@media (max-width: 768px) {
    .cs-magnify__lens { display: none; }
    .cs-magnify__hint { display: none; }
    .cs-magnify { cursor: default; }
}


/* ─────────────────────────────────────────
   NAV OVERRIDES (back link + minimal)
   ───────────────────────────────────────── */
.cs-back {
    position: fixed;
    top: 1.5rem;
    left: 2rem;
    z-index: 200;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-muted);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 100px;
    background: rgba(14, 14, 12, 0.75);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    transition: color 0.3s, border-color 0.3s, transform 0.3s var(--ease);
}

.cs-back:hover {
    color: var(--text);
    border-color: var(--border-hover);
    transform: translateX(-2px);
}

.cs-back svg { flex-shrink: 0; }

/* Cross-study nav — top right */
.cs-cross-nav {
    position: fixed;
    top: 1.5rem;
    right: 2rem;
    z-index: 200;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--text-muted);
    text-decoration: none;
    padding: 0.45rem 0.9rem;
    border-radius: 100px;
    background: rgba(14, 14, 12, 0.75);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    transition: color 0.3s, border-color 0.3s, transform 0.3s var(--ease);
}
.cs-cross-nav:hover {
    color: var(--accent);
    border-color: var(--accent-border);
    transform: translateX(2px);
}
/* Destination-colored variants */
.cs-cross-nav--sido { color: rgba(58, 174, 224, 0.7); }
.cs-cross-nav--sido:hover { color: #3aaee0; border-color: rgba(58, 174, 224, 0.35); }
.cs-cross-nav--metashift { color: rgba(192, 132, 252, 0.7); }
.cs-cross-nav--metashift:hover { color: #c084fc; border-color: rgba(192, 132, 252, 0.35); }
.cs-cross-nav svg { flex-shrink: 0; }
@media (max-width: 768px) {
    .cs-cross-nav { top: 1rem; right: 1rem; font-size: 0.65rem; padding: 0.4rem 0.75rem; }
}


/* ─────────────────────────────────────────
   SECTION ROADMAP (hero area jump-to)
   ───────────────────────────────────────── */
.cs-meta + .cs-roadmap {
    margin-top: -2rem;
}
.cs-roadmap {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 1.5rem;
    margin-bottom: 2.5rem;
}
.cs-roadmap__label {
    font-size: 0.6rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    white-space: nowrap;
    flex-shrink: 0;
}
.cs-roadmap__links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}
.cs-roadmap__link {
    font-size: 0.65rem;
    font-weight: 500;
    color: var(--text-muted);
    text-decoration: none;
    padding: 0.35rem 0.75rem;
    border-radius: 100px;
    border: 1px solid var(--border);
    background: rgba(255,255,255,0.02);
    transition: color 0.3s, border-color 0.3s, background 0.3s;
    white-space: nowrap;
}
.cs-roadmap__link:hover {
    color: var(--accent);
    border-color: var(--accent-border);
    background: var(--accent-dim);
}
@media (max-width: 640px) {
    .cs-roadmap { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
}


/* Callout row — callout text + sub badge side by side */
.cs-sub-badge {
    width: 200px;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border);
    background: var(--surface);
}
.cs-sub-badge img {
    width: 100%;
    display: block;
    aspect-ratio: 2.5 / 1;
    object-fit: cover;
    object-position: center;
}
/* Give collage side more room */
.cs-two-col--wide-aside {
    grid-template-columns: 2fr 3fr;
}
@media (max-width: 640px) {
    .cs-callout-row { flex-direction: column; align-items: flex-start; }
    .cs-sub-badge { width: 110px; }
    .cs-two-col--wide-aside { grid-template-columns: 1fr; }
}


/* ─────────────────────────────────────────
   STICKY TIMELINE NAV
   ───────────────────────────────────────── */
.cs-timeline {
    position: fixed;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
    z-index: 150;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    opacity: 0;
    transition: opacity 0.5s;
}

.cs-timeline.is-visible { opacity: 1; }

/* Scroll progress track between dots */
.cs-timeline__progress {
    position: absolute;
    right: 3.25px;
    top: 4px;
    bottom: 4px;
    width: 1.5px;
    background: rgba(255,255,255,0.06);
    border-radius: 1px;
    z-index: -1;
}
.cs-timeline__progress-fill {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 0%;
    background: var(--accent);
    border-radius: 1px;
    transition: height 0.15s linear;
    opacity: 0.5;
}

.cs-timeline__item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
    flex-direction: row-reverse;
    transition: transform 0.3s var(--ease);
}

.cs-timeline__item:hover { transform: translateX(-3px); }

.cs-timeline__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--border);
    border: 1.5px solid var(--border);
    flex-shrink: 0;
    transition: background 0.3s, border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}

.cs-timeline__item:hover .cs-timeline__dot {
    border-color: var(--text-muted);
    background: var(--text-muted);
}

.cs-timeline__item.is-active .cs-timeline__dot {
    background: var(--accent);
    border-color: var(--accent);
    box-shadow: 0 0 8px var(--accent-dim);
    transform: scale(1.3);
}

.cs-timeline__label {
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    color: var(--text-dim);
    white-space: nowrap;
    opacity: 0;
    transform: translateX(4px);
    transition: opacity 0.25s, transform 0.25s, color 0.25s;
    pointer-events: none;
}

.cs-timeline__item:hover .cs-timeline__label,
.cs-timeline__item.is-active .cs-timeline__label {
    opacity: 1;
    transform: none;
}

.cs-timeline__item.is-active .cs-timeline__label {
    color: var(--accent);
}


/* ─────────────────────────────────────────
   HERO
   ───────────────────────────────────────── */
.cs-hero {
    padding: 8rem 0 0;
    text-align: center;
}

.cs-hero-inner {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
}

.cs-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 2rem;
}

.cs-eyebrow-dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--accent);
    opacity: 0.4;
}

.cs-logo {
    display: flex;
    justify-content: center;
    margin-bottom: 2.5rem;
}

.cs-logo img {
    height: 48px;
    width: auto;
    border-radius: 12px;
}

.cs-hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    font-weight: 400;
    color: var(--text);
    line-height: 1.08;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
    text-shadow: 0 0 14px color-mix(in srgb, var(--accent) 28%, transparent), 0 0 40px color-mix(in srgb, var(--accent) 14%, transparent), 0 0 80px color-mix(in srgb, var(--accent) 06%, transparent);
}

.cs-hero-stat {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 0.04em;
    margin-bottom: 1.25rem;
    opacity: 0.85;
}

.cs-hero-sub {
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.85;
    max-width: 600px;
    margin: 0 auto 3rem;
}

/* Meta strip */
.cs-meta {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2.5rem;
    padding: 2rem 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    margin-bottom: 3.5rem;
}

.cs-meta-item {
    text-align: center;
}

.cs-meta-label {
    display: block;
    font-size: 0.58rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-bottom: 0.3rem;
}

.cs-meta-val {
    font-size: 0.88rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Hero image */
.cs-hero-img {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    overflow: hidden;
}

.cs-hero-img img {
    width: 100%;
    border-radius: 20px;
    aspect-ratio: 21 / 9;
    object-fit: cover;
    object-position: center 40%;
    display: block;
    border: 1px solid var(--border);
}


/* ─────────────────────────────────────────
   STATS BAR
   ───────────────────────────────────────── */
.cs-stats {
    max-width: 900px;
    margin: -2.5rem auto 0;
    padding: 0 2rem;
    position: relative;
    z-index: 2;
}

.cs-stats-inner {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--border);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border);
}

.cs-stat {
    background: var(--surface);
    padding: 1.5rem 1.25rem;
    text-align: center;
}

.cs-stat__val {
    display: block;
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 400;
    color: var(--accent);
    line-height: 1;
    letter-spacing: -0.03em;
    margin-bottom: 0.3rem;
}

.cs-stat__label {
    font-size: 0.6rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-weight: 600;
}

/* Hero stat — standout metric */
.cs-stat--hero {
    position: relative;
    background: linear-gradient(135deg, var(--surface), var(--accent-dim));
    border-left: 2px solid var(--accent);
}
.cs-stat--hero .cs-stat__val {
    font-size: 2rem;
}


/* Stats bar — View Channel CTA */
.cs-stats__cta {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin: 0.85rem auto 0;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--accent);
    text-decoration: none;
    opacity: 0.7;
    transition: opacity 0.2s;
}
.cs-stats__cta:hover { opacity: 1; }

/* Industry Recognition */
.cs-recognition {
    margin-top: 2.5rem;
    padding: 1.75rem;
    border: 1px solid var(--accent-border);
    border-radius: 14px;
    background: linear-gradient(135deg, var(--surface), var(--accent-dim));
}
.cs-recognition__orgs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}
.cs-recognition__org {
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    color: var(--text);
    background: rgba(255,255,255,0.06);
    border: 1px solid var(--accent-border);
    border-radius: 100px;
    padding: 0.5rem 1.25rem;
    transition: border-color 0.3s, background 0.3s, transform 0.3s, box-shadow 0.3s;
}
.cs-recognition__org:hover {
    border-color: var(--accent);
    background: var(--accent-dim);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}


/* ─────────────────────────────────────────
   BODY
   ───────────────────────────────────────── */
.cs-body {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 2rem 6rem;
}


/* ─────────────────────────────────────────
   OVERVIEW SECTION
   ───────────────────────────────────────── */
.cs-overview {
    padding: 5rem 0 0;
}

.cs-section-label {
    display: block;
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 1rem;
}

.cs-overview-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3vw, 2.6rem);
    font-weight: 400;
    color: var(--text);
    line-height: 1.12;
    text-shadow: 0 0 12px color-mix(in srgb, var(--accent) 22%, transparent), 0 0 35px color-mix(in srgb, var(--accent) 10%, transparent);
    letter-spacing: -0.02em;
    max-width: 500px;
    margin-bottom: 1rem;
}

.cs-overview-desc {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.85;
    max-width: 560px;
    margin-bottom: 2.5rem;
}

.cs-overview-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.cs-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 1.25rem;
    transition: border-color 0.3s, transform 0.4s var(--ease), box-shadow 0.4s;
}

.cs-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.2);
}

.cs-card__kicker {
    display: block;
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.6rem;
}

.cs-card p {
    font-size: 0.86rem;
    color: var(--text-muted);
    line-height: 1.7;
}


/* ─────────────────────────────────────────
   CHAPTER SECTION
   ───────────────────────────────────────── */
.cs-chapter {
    padding-top: 6rem;
}

.cs-ch-head {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.cs-ch-num {
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--accent);
    flex-shrink: 0;
}

.cs-ch-rule {
    flex: 1;
    height: 1px;
    background: linear-gradient(to right, var(--accent-border), transparent);
    transform-origin: left;
    transform: scaleX(0);
    transition: transform 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.2s;
}
.cs-chapter.is-visible .cs-ch-rule {
    transform: scaleX(1);
}

.cs-ch-period {
    font-size: 0.58rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: var(--text-dim);
    flex-shrink: 0;
}

.cs-ch-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    font-weight: 400;
    color: var(--text);
    line-height: 1.1;
    letter-spacing: -0.025em;
    margin-bottom: 1rem;
    text-shadow: 0 0 12px color-mix(in srgb, var(--accent) 22%, transparent), 0 0 35px color-mix(in srgb, var(--accent) 10%, transparent);
}

.cs-ch-skill {
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent);
    opacity: 0.7;
    margin-bottom: 1rem;
}
.cs-ch-desc {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.85;
    max-width: 600px;
    margin-bottom: 2.5rem;
}

.cs-ch-desc strong { color: var(--text); font-weight: 600; }

/* Chapter meta cards */
.cs-ch-meta {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 2.5rem;
}


/* ─────────────────────────────────────────
   SHARED COMPONENTS
   ───────────────────────────────────────── */

/* Section label (reusable) */
.cs-label {
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-bottom: 1rem;
}

/* Prose blocks */
.cs-prose {
    font-size: 0.92rem;
    color: var(--text-muted);
    line-height: 1.85;
    max-width: 580px;
}

/* CTA buttons */
.cs-cta-row { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.cs-cta-row--center { justify-content: center; }
.cs-cta-row--spaced { margin-top: 2.5rem; }

.cs-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.76rem;
    font-weight: 500;
    color: var(--accent);
    text-decoration: none;
    border: 1px solid var(--accent-border);
    padding: 0.45rem 1rem;
    border-radius: 100px;
    background: var(--accent-dim);
    transition: background 0.3s, border-color 0.3s, transform 0.3s var(--ease), box-shadow 0.3s;
}

.cs-cta:hover {
    background: var(--accent-dim);
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px var(--accent-dim);
}

/* Fullwidth image */
.cs-img {
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid var(--border);
    margin-bottom: 2.5rem;
}

.cs-img img {
    width: 100%;
    display: block;
}
.cs-img-caption {
    font-size: 0.7rem;
    color: var(--text-2);
    margin-top: 0.6rem;
    line-height: 1.5;
    font-style: italic;
}


/* ─────────────────────────────────────────
   TWO-COLUMN LAYOUT
   ───────────────────────────────────────── */
.cs-two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    margin-bottom: 3rem;
}

.cs-two-col__left { display: flex; flex-direction: column; gap: 1.25rem; }

.cs-callout {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 2.8vw, 2.2rem);
    font-weight: 400;
    color: var(--accent);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.cs-aside-img {
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid var(--border);
    background: #111;
}

.cs-aside-img img {
    width: 100%;
    display: block;
    object-fit: cover;
    aspect-ratio: 16 / 9;
}

/* Allow natural aspect ratio for screenshots */
.cs-aside-img--natural img {
    aspect-ratio: auto;
    object-fit: contain;
    background: var(--surface);
}


/* ─────────────────────────────────────────
   VIRAL SECTION (Video That Started It All)
   ───────────────────────────────────────── */
.cs-viral {
    position: relative;
    margin-top: 3.5rem;
    padding-top: 2.5rem;
    border-top: 1px solid var(--border);
}
.cs-viral::before {
    content: '';
    position: absolute;
    top: 0;
    left: -10%;
    right: -10%;
    height: 80%;
    border-radius: 50%;
    background: radial-gradient(ellipse at 50% 30%, color-mix(in srgb, var(--accent) 14%, transparent) 0%, transparent 60%);
    pointer-events: none;
    z-index: -1;
    filter: blur(25px);
}

.cs-viral__video {
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid var(--accent-border);
    margin-bottom: 2rem;
    box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 10%, transparent),
                0 20px 50px rgba(0, 0, 0, 0.35);
    transition: box-shadow 0.4s, transform 0.4s;
}
.cs-viral__video:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 20%, transparent),
                0 0 40px color-mix(in srgb, var(--accent) 10%, transparent),
                0 24px 60px rgba(0, 0, 0, 0.4);
}

.cs-viral__below {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
}

.cs-viral__text {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.cs-viral__text .cs-prose {
    margin-bottom: 0;
    font-size: 0.88rem;
    max-width: none;
}

/* Stat-link cards */
.cs-viral__reach {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.cs-viral__stat {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.7rem 0.9rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    text-decoration: none;
    transition: border-color 0.3s, background 0.3s, transform 0.3s var(--ease);
}

.cs-viral__stat:hover {
    border-color: var(--accent-border);
    background: var(--surface-2);
    transform: translateX(3px);
    box-shadow: 0 4px 16px var(--accent-dim);
}

.cs-viral__stat-val {
    display: block;
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 400;
    color: var(--accent);
    letter-spacing: -0.02em;
    line-height: 1;
}

.cs-viral__stat-label {
    display: block;
    font-size: 0.68rem;
    color: var(--text-muted);
    line-height: 1.3;
}

.cs-viral__link-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.cs-viral__link-icon--x      { background: rgba(255,255,255,0.08); color: var(--text); }
.cs-viral__link-icon--yt     { background: rgba(255,0,0,0.12); color: #ff0000; }
.cs-viral__link-icon--reddit { background: rgba(255,69,0,0.12); color: #ff4500; }

.cs-viral__link-arrow {
    color: var(--text-dim);
    flex-shrink: 0;
    margin-left: auto;
    transition: color 0.3s, transform 0.3s var(--ease);
}

.cs-viral__stat:hover .cs-viral__link-arrow {
    color: var(--accent);
    transform: translateX(3px);
}

/* Origin (reply image + caption) */
.cs-viral__origin {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.cs-viral__caption {
    font-size: 0.7rem;
    color: var(--text-dim);
    line-height: 1.4;
}


/* ─────────────────────────────────────────
   THUMBNAIL GALLERY
   ───────────────────────────────────────── */
.cs-thumbs {
    margin-top: 3.5rem;
    padding-top: 2.5rem;
    border-top: 1px solid var(--border);
}

.cs-thumb-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
}

.cs-thumb {
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--border);
    cursor: pointer;
    position: relative;
    transition: border-color 0.3s, transform 0.4s var(--ease), box-shadow 0.4s;
}

.cs-thumb:hover {
    border-color: var(--accent-border);
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 12px 32px rgba(0,0,0,0.35);
}

.cs-thumb img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    display: block;
    transition: transform 0.6s var(--ease);
}

.cs-thumb:hover img { transform: scale(1.06); }


/* ─────────────────────────────────────────
   PHOTO GRID (Combine)
   ───────────────────────────────────────── */
.cs-photos {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    grid-template-rows: 260px 200px;
    gap: 4px;
    border-radius: 14px;
    overflow: hidden;
    margin-bottom: 0.75rem;
}

.cs-photos__main {
    grid-column: 1;
    grid-row: 1 / 3;
    overflow: hidden;
    background: var(--surface-2);
    transition: box-shadow 0.4s;
}

.cs-photos__side {
    overflow: hidden;
    background: var(--surface-2);
    transition: box-shadow 0.4s;
}

.cs-photos__main img,
.cs-photos__side img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.8s var(--ease);
}

.cs-photos__main img  { object-position: center 35%; }
.cs-photos__side img   { object-position: center 30%; }
.cs-photos__main:hover,
.cs-photos__side:hover {
    box-shadow: 0 8px 24px rgba(0,0,0,0.25);
}
.cs-photos__main:hover img,
.cs-photos__side:hover img { transform: scale(1.04); }

/* Secondary row */
.cs-photos-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
    border-radius: 14px;
    overflow: hidden;
    margin-bottom: 2.5rem;
}

.cs-photos-row__item {
    overflow: hidden;
    background: var(--surface-2);
    aspect-ratio: 16 / 10;
    transition: box-shadow 0.4s;
}
.cs-photos-row__item:hover {
    box-shadow: 0 8px 24px rgba(0,0,0,0.25);
}

.cs-photos-row__item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 30%;
    display: block;
    transition: transform 0.8s var(--ease);
}

.cs-photos-row__item--faces img { object-position: center top; }
.cs-photos-row__item:hover img { transform: scale(1.04); }


/* ─────────────────────────────────────────
   ARTIFACTS STRIP (horizontal scroll)
   ───────────────────────────────────────── */
.cs-artifacts {
    padding: 2.5rem 0;
    border-top: 1px solid var(--border);
    margin-bottom: 2rem;
}

.cs-artifacts__strip {
    display: flex;
    gap: 1.25rem;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 0.5rem;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.06) transparent;
}

.cs-artifact {
    flex: 0 0 300px;
    scroll-snap-align: start;
}

.cs-artifact__img {
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border);
    margin-bottom: 0.55rem;
}

.cs-artifact__img img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    display: block;
    transition: transform 0.6s var(--ease);
}

.cs-artifact:hover .cs-artifact__img img { transform: scale(1.04); }

.cs-artifact__caption {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 500;
    font-style: italic;
}


/* ─────────────────────────────────────────
   FEATURED VIDEO (Day 1 Intro etc.)
   ───────────────────────────────────────── */
.cs-featured-video {
    position: relative;
    margin-bottom: 2.5rem;
}
.cs-featured-video::before {
    content: '';
    position: absolute;
    top: -15%;
    left: -8%;
    right: -8%;
    bottom: -10%;
    border-radius: 50%;
    background: radial-gradient(ellipse at 50% 45%, color-mix(in srgb, var(--accent) 15%, transparent) 0%, transparent 60%);
    pointer-events: none;
    z-index: -1;
    filter: blur(20px);
}

.cs-video-wrap--featured {
    aspect-ratio: 16 / 9;
    box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 15%, transparent),
                0 20px 50px rgba(0, 0, 0, 0.4);
    transition: box-shadow 0.4s, transform 0.4s;
}
.cs-video-wrap--featured:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 25%, transparent),
                0 0 40px color-mix(in srgb, var(--accent) 10%, transparent),
                0 24px 60px rgba(0, 0, 0, 0.45);
}

.cs-video-wrap--featured video {
    object-fit: contain;
    background: #000;
}


/* ─────────────────────────────────────────
   VIDEO TRIO (vert + two landscape)
   ───────────────────────────────────────── */
.cs-daily-footage {
    padding-top: 2.5rem;
    border-top: 1px solid var(--border);
    margin-bottom: 2rem;
}

.cs-video-trio {
    display: grid;
    grid-template-columns: 260px 1fr 1fr;
    gap: 1rem;
}

.cs-video-trio .cs-video-card--vert .cs-video-wrap {
    aspect-ratio: 9 / 16;
}

.cs-video-trio .cs-video-card:not(.cs-video-card--vert) .cs-video-wrap {
    aspect-ratio: 16 / 9;
}

/* Gameplay video should NOT crop */
.cs-video-wrap--gameplay video {
    object-fit: contain !important;
    background: #000;
}


/* ─────────────────────────────────────────
   CONFESSIONALS (video + tweet side by side)
   ───────────────────────────────────────── */
.cs-confessionals {
    margin-top: 2.5rem;
    padding-top: 2.5rem;
    border-top: 1px solid var(--border);
}

.cs-video-wrap--confessional {
    aspect-ratio: 16 / 9;
}

.cs-confessionals__embed {
    min-width: 0;
}


/* ─────────────────────────────────────────
   VIDEO PLAYER
   ───────────────────────────────────────── */
.cs-video-wrap {
    position: relative;
    border-radius: 14px;
    overflow: hidden;
    background: #000;
    border: 1px solid var(--border);
}

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

.cs-video-controls {
    position: absolute;
    bottom: 0.6rem;
    right: 0.6rem;
    display: flex;
    align-items: center;
    gap: 0.35rem;
    z-index: 5;
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 0.3s, transform 0.3s var(--ease);
}

.cs-video-wrap:hover .cs-video-controls { opacity: 1; transform: none; }

@media (hover: none) {
    .cs-video-controls { opacity: 1; transform: none; }
}

.cs-vid-btn {
    flex-shrink: 0;
    background: rgba(0,0,0,0.55);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 50%;
    width: 28px;
    height: 28px;
    cursor: pointer;
    color: rgba(255,255,255,0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    transition: color 0.2s, background 0.2s, transform 0.2s;
}

.cs-vid-btn:hover {
    color: #fff;
    background: rgba(0,0,0,0.7);
    transform: scale(1.1);
}

.cs-video-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: rgba(255,255,255,0.06);
    z-index: 3;
    transition: height 0.15s ease;
}
.cs-video-progress:hover {
    height: 6px;
}

.cs-video-progress__fill {
    height: 100%;
    background: var(--accent);
    width: 0%;
    transition: width 0.15s linear;
}

.cs-video-label {
    font-size: 0.68rem;
    color: var(--text-muted);
    font-weight: 500;
    letter-spacing: 0.02em;
    margin-top: 0.5rem;
}


/* ─────────────────────────────────────────
   VIDEO CARD (shared)
   ───────────────────────────────────────── */
.cs-video-card { display: flex; flex-direction: column; gap: 0.4rem; }


/* ─────────────────────────────────────────
   PHOTOSHOOTS
   ───────────────────────────────────────── */
.cs-photoshoots {
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

.cs-photoshoot-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
}

.cs-photoshoot {
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: border-color 0.3s, transform 0.4s var(--ease), box-shadow 0.4s;
}

.cs-photoshoot:hover {
    border-color: var(--accent-border);
    transform: translateY(-3px);
    box-shadow: 0 10px 28px rgba(0,0,0,0.3);
}

.cs-photoshoot img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    object-position: center 20%;
    display: block;
    transition: transform 0.6s var(--ease);
}

.cs-photoshoot:hover img { transform: scale(1.06); }


/* ─────────────────────────────────────────
   T2 BLUEPRINT SHOWCASE
   ───────────────────────────────────────── */
.cs-promo-video { margin-bottom: 2.5rem; }
.cs-promo-video .cs-video-wrap { aspect-ratio: 16 / 9; }
.cs-promo-video .cs-video-wrap video { object-fit: contain; background: #000; }

.cs-showcase {
    display: grid;
    grid-template-columns: 1fr 1.6fr;
    gap: 3rem;
    align-items: start;
}

.cs-poster {
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid var(--border);
    position: sticky;
    top: 5.5rem;
    transition: box-shadow 0.5s var(--ease);
}

.cs-poster:hover { box-shadow: 0 16px 48px rgba(0,0,0,0.3); }
.cs-poster img { width: 100%; display: block; }

.cs-showcase-right {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* Role list */
.cs-role-list { display: flex; flex-direction: column; gap: 1rem; }

.cs-role {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
}

.cs-role__icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--accent-dim);
    border: 1px solid var(--accent-border);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--accent);
    transition: background 0.3s, box-shadow 0.3s, transform 0.3s var(--ease);
}

.cs-role:hover .cs-role__icon {
    background: var(--accent-dim);
    box-shadow: 0 0 14px var(--accent-dim);
    transform: scale(1.08);
}

.cs-role__title { font-size: 0.78rem; font-weight: 600; color: var(--text); margin-bottom: 0.1rem; }
.cs-role__desc { font-size: 0.74rem; color: var(--text-muted); line-height: 1.6; }

/* Episode cards */
.cs-ep-list { display: flex; flex-direction: column; gap: 0.6rem; }

.cs-ep {
    display: grid;
    grid-template-columns: 110px 1fr auto;
    gap: 0.85rem;
    align-items: center;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0.6rem;
    text-decoration: none;
    transition: border-color 0.3s, background 0.3s, transform 0.4s var(--ease), box-shadow 0.4s;
}

.cs-ep:hover {
    border-color: var(--accent-border);
    background: var(--surface-2);
    transform: translateX(4px);
    box-shadow: -4px 4px 16px rgba(0,0,0,0.18);
}

.cs-ep__thumb {
    border-radius: 6px;
    overflow: hidden;
    position: relative;
    aspect-ratio: 16 / 9;
}

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

.cs-ep__num {
    position: absolute;
    top: 0.25rem;
    left: 0.25rem;
    font-size: 0.48rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: #fff;
    background: rgba(0,0,0,0.55);
    backdrop-filter: blur(6px);
    padding: 0.1rem 0.35rem;
    border-radius: 100px;
}

.cs-ep__title { font-size: 0.8rem; font-weight: 600; color: var(--text); margin-bottom: 0.1rem; }
.cs-ep__desc { font-size: 0.7rem; color: var(--text-muted); line-height: 1.5; }

.cs-ep__arrow {
    color: var(--text-dim);
    flex-shrink: 0;
    transition: color 0.3s, transform 0.3s var(--ease);
}

.cs-ep:hover .cs-ep__arrow { color: var(--accent); transform: translateX(3px); }


/* ─────────────────────────────────────────
   CROSS-LINK CTA
   ───────────────────────────────────────── */
/* Crosslink row — side-by-side layout for crosslink + tweet */
.cs-crosslink-row {
    display: flex;
    align-items: stretch;
    gap: 1.5rem;
    margin-top: 5rem;
}
.cs-crosslink-row .cs-crosslink {
    flex: 1 1 0;
    min-width: 0;
    margin-top: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 2rem;
}
.cs-crosslink-row .cs-crosslink__question {
    font-size: clamp(1.1rem, 1.8vw, 1.4rem);
}
.cs-crosslink-row .cs-crosslink__desc {
    font-size: 0.82rem;
}
.cs-crosslink-tweet {
    flex: 0 0 440px;
    display: flex;
    align-items: center;
}
.cs-crosslink-tweet blockquote,
.cs-overview-tweet blockquote {
    margin: 0 !important;
    max-width: 100%;
}
.cs-crosslink-tweet iframe,
.cs-overview-tweet iframe {
    border-radius: 12px;
    max-width: 100%;
}
@media (max-width: 768px) {
    .cs-crosslink-row {
        flex-direction: column;
    }
    .cs-crosslink-tweet {
        flex: none;
        width: 100%;
        justify-content: center;
    }
}

/* Overview split — tweet left, cards right */
.cs-overview-split {
    display: flex;
    align-items: stretch;
    gap: 1.5rem;
    margin-top: 2rem;
}
.cs-overview-split .cs-overview-tweet {
    flex: 0 0 420px;
    display: flex;
    align-items: center;
}
.cs-overview-split .cs-overview-grid {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-top: 0;
}
@media (max-width: 768px) {
    .cs-overview-split {
        flex-direction: column;
    }
    .cs-overview-split .cs-overview-tweet {
        flex: none;
        width: 100%;
        justify-content: center;
    }
    .cs-overview-split .cs-overview-grid {
        grid-template-columns: 1fr;
    }
}

.cs-crosslink {
    margin-top: 5rem;
    padding: 2.5rem;
    border: 1px solid var(--accent-border);
    border-radius: 14px;
    background: linear-gradient(135deg, var(--surface), var(--accent-dim));
    text-align: center;
}
.cs-crosslink__question {
    font-family: var(--font-display);
    font-size: clamp(1.2rem, 2vw, 1.6rem);
    color: var(--text);
    letter-spacing: -0.02em;
    margin-bottom: 0.75rem;
}
.cs-crosslink__desc {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.7;
    max-width: 520px;
    margin: 0 auto 1.5rem;
}
.cs-cta--accent {
    background: var(--accent-dim);
    border-color: var(--accent-border);
    padding: 0.55rem 1.25rem;
    font-size: 0.82rem;
}
.cs-cta--accent:hover {
    background: var(--accent-border);
}
/* MetaShift purple CTA variant */
.cs-cta--metashift {
    color: #c084fc;
    border-color: rgba(192, 132, 252, 0.22);
    background: rgba(192, 132, 252, 0.10);
    padding: 0.55rem 1.25rem;
    font-size: 0.82rem;
}
.cs-cta--metashift:hover {
    border-color: #c084fc;
    background: rgba(192, 132, 252, 0.18);
    box-shadow: 0 4px 16px rgba(192, 132, 252, 0.15);
}
/* Purple crosslink card */
.cs-crosslink--metashift {
    --crosslink-col: #c084fc;
    border-color: rgba(192, 132, 252, 0.22);
    background: linear-gradient(135deg, var(--surface), rgba(192, 132, 252, 0.06));
}
/* SIDO blue CTA variant */
.cs-cta--sido {
    color: #3aaee0;
    border-color: rgba(58, 174, 224, 0.22);
    background: rgba(58, 174, 224, 0.10);
    padding: 0.55rem 1.25rem;
    font-size: 0.82rem;
}
.cs-cta--sido:hover {
    border-color: #3aaee0;
    background: rgba(58, 174, 224, 0.18);
    box-shadow: 0 4px 16px rgba(58, 174, 224, 0.15);
}
.cs-cta--strong {
    font-size: 0.9rem;
    padding: 0.65rem 1.5rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    border-width: 1.5px;
    box-shadow: 0 0 20px color-mix(in srgb, var(--crosslink-col, var(--accent)) 15%, transparent),
                0 0 12px rgba(255, 255, 255, 0.06);
    transition: all 0.3s ease;
}
.cs-cta--strong:hover {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.35);
    box-shadow: 0 0 28px color-mix(in srgb, var(--crosslink-col, var(--accent)) 25%, transparent),
                0 0 18px rgba(255, 255, 255, 0.12),
                0 4px 16px rgba(0, 0, 0, 0.3);
    transform: translateY(-2px);
}
/* Blue crosslink card */
.cs-crosslink--sido {
    --crosslink-col: #3aaee0;
    border-color: rgba(58, 174, 224, 0.22);
    background: linear-gradient(135deg, var(--surface), rgba(58, 174, 224, 0.06));
}

/* Crosslink card backlight glow */
.cs-crosslink {
    position: relative;
    overflow: visible;
    transition: border-color 0.4s ease, box-shadow 0.4s ease, transform 0.4s ease;
}
.cs-crosslink::before {
    content: '';
    position: absolute;
    inset: -20px;
    border-radius: 24px;
    background: radial-gradient(ellipse at 50% 60%, color-mix(in srgb, var(--crosslink-col) 14%, transparent) 0%, transparent 70%);
    filter: blur(20px);
    pointer-events: none;
    z-index: -1;
    opacity: 0.7;
    transition: opacity 0.4s ease;
}
.cs-crosslink:hover::before {
    opacity: 1;
}
.cs-crosslink:hover {
    border-color: color-mix(in srgb, var(--crosslink-col) 45%, transparent);
    box-shadow: 0 8px 32px color-mix(in srgb, var(--crosslink-col) 12%, transparent),
                0 0 60px color-mix(in srgb, var(--crosslink-col) 06%, transparent);
    transform: translateY(-3px);
}


/* ─────────────────────────────────────────
   FOOTER CTA
   ───────────────────────────────────────── */
.cs-footer {
    margin-top: 6rem;
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--border);
    text-align: center;
}

.cs-footer__label {
    font-size: 0.58rem;
    font-weight: 700;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-bottom: 0.85rem;
}

.cs-footer__title {
    font-family: var(--font-display);
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    color: var(--text);
    margin-bottom: 1.75rem;
    letter-spacing: -0.02em;
}


/* ─────────────────────────────────────────
   LIGHTBOX
   ───────────────────────────────────────── */
.cs-lightbox {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.92);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s var(--ease);
}

.cs-lightbox.is-open { opacity: 1; pointer-events: auto; }

.cs-lightbox__img {
    max-width: 85vw;
    max-height: 80vh;
    object-fit: contain;
    border-radius: 14px;
    box-shadow: 0 24px 72px rgba(0,0,0,0.5);
    transform: scale(0.9);
    opacity: 0;
    transition: transform 0.4s var(--ease), opacity 0.35s;
}

.cs-lightbox.is-open .cs-lightbox__img { transform: scale(1); opacity: 1; }
.cs-lightbox__img.cs-lb-swap { opacity: 0; transform: scale(0.95); }

.cs-lightbox__close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.25s, transform 0.25s;
    z-index: 10;
}

.cs-lightbox__close:hover { background: rgba(255,255,255,0.14); transform: scale(1.1); }

.cs-lightbox__nav {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1rem;
    pointer-events: none;
    z-index: 5;
}

.cs-lightbox__arrow {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    pointer-events: auto;
    transition: background 0.25s, transform 0.25s;
}

.cs-lightbox__arrow:hover { background: rgba(255,255,255,0.14); transform: scale(1.1); }

.cs-lightbox__counter {
    position: absolute;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.68rem;
    font-weight: 500;
    color: rgba(255,255,255,0.4);
    letter-spacing: 0.15em;
}


/* ─────────────────────────────────────────
   NARRATIVE BREAKS
   ───────────────────────────────────────── */
.cs-narrative {
    padding: 3rem 0 2rem;
    border-left: 2px solid var(--accent-border);
    padding-left: 1.5rem;
    position: relative;
}
/* Animated accent border — grows from top on scroll reveal */
.cs-narrative::before {
    content: '';
    position: absolute;
    left: -2px;
    top: 0;
    width: 2px;
    height: 0%;
    background: var(--accent);
    transition: height 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.15s;
}
.cs-narrative.is-visible::before {
    height: 100%;
}

.cs-narrative__quote {
    font-family: var(--font-display);
    font-size: clamp(1.3rem, 2.5vw, 1.8rem);
    font-weight: 400;
    color: var(--text);
    line-height: 1.25;
    letter-spacing: -0.02em;
    margin-bottom: 0.75rem;
    max-width: 480px;
}

.cs-narrative__desc {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.85;
    max-width: 480px;
}


/* ─────────────────────────────────────────
   2-COL VIDEO GRID (vert + two landscape)
   ───────────────────────────────────────── */
.cs-video-grid-2col {
    display: grid;
    grid-template-columns: 340px 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 1rem;
    align-items: stretch;
}

.cs-video-grid-2col .cs-video-card--vert {
    grid-row: 1 / 3;
    display: flex;
    flex-direction: column;
}

.cs-video-grid-2col .cs-video-card--vert .cs-video-wrap {
    flex: 1;
    aspect-ratio: auto;
}

.cs-video-grid-2col .cs-video-card--vert .cs-video-wrap video {
    height: 100%;
    object-fit: cover;
}

.cs-video-grid-2col .cs-video-card:not(.cs-video-card--vert) .cs-video-wrap {
    aspect-ratio: 16 / 9;
}


/* ─────────────────────────────────────────
   BTS GRID
   ───────────────────────────────────────── */
.cs-bts {
    padding: 2.5rem 0;
    border-top: 1px solid var(--border);
    margin-bottom: 2rem;
}

.cs-bts-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.cs-bts-item {
    position: relative;
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid var(--border);
    margin: 0;
    cursor: pointer;
    transition: border-color 0.3s, transform 0.4s var(--ease), box-shadow 0.4s;
}

.cs-bts-item:hover {
    border-color: var(--accent-border);
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.3);
}

.cs-bts-item img {
    width: 100%;
    aspect-ratio: auto;
    object-fit: contain;
    background: var(--surface);
    display: block;
    transition: transform 0.6s var(--ease);
}

.cs-bts-item:hover img { transform: scale(1.04); }

.cs-bts-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 3rem 1rem 0.85rem;
    background: linear-gradient(to top, rgba(0,0,0,0.75), transparent);
    font-size: 0.72rem;
    color: rgba(255,255,255,0.85);
    font-weight: 500;
    font-style: italic;
}


/* ─────────────────────────────────────────
   REPLY IMAGE (screenshot tweet)
   ───────────────────────────────────────── */
.cs-reply-img {
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid var(--border);
    background: var(--surface);
}

.cs-reply-img img {
    width: 100%;
    display: block;
    border-radius: 13px;
}


/* ─────────────────────────────────────────
   VIDEO SOURCE LINK
   ───────────────────────────────────────── */
.cs-video-source {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.62rem;
    font-weight: 500;
    color: var(--text-dim);
    text-decoration: none;
    margin-top: 0.2rem;
    transition: color 0.3s;
}

.cs-video-source:hover {
    color: var(--accent);
}


/* ─────────────────────────────────────────
   CONFESSIONALS V2 (hero + info below)
   ───────────────────────────────────────── */
.cs-confessionals__hero {
    margin-bottom: 2rem;
    border: 1px solid var(--accent-border);
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 0 0 1px rgba(58, 174, 224, 0.06), 0 4px 24px rgba(58, 174, 224, 0.08);
    transition: box-shadow 0.4s;
}
.cs-confessionals__hero:hover {
    box-shadow: 0 0 0 1px rgba(58, 174, 224, 0.12), 0 8px 36px rgba(58, 174, 224, 0.15);
}

.cs-confessionals__hero .cs-video-wrap {
    aspect-ratio: 16 / 9;
}

.cs-confessionals__info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}


/* ─────────────────────────────────────────
   SIDO REFLECTION SECTION
   ───────────────────────────────────────── */
.cs-reflection {
    padding: 5rem 0 0;
}
.cs-reflection__title {
    font-family: var(--font-display);
    font-size: clamp(1.6rem, 2.5vw, 2.2rem);
    font-weight: 400;
    color: var(--text);
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 2rem;
}
.cs-reflection__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}
@media (max-width: 768px) {
    .cs-reflection__grid { grid-template-columns: 1fr; }
}


/* ─────────────────────────────────────────
   SCROLL ANIMATIONS
   ───────────────────────────────────────── */
.cs-fade {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.cs-fade.is-visible { opacity: 1; transform: none; }

/* Stagger children */
.cs-stagger > * {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.55s cubic-bezier(0.16, 1, 0.3, 1), transform 0.55s cubic-bezier(0.16, 1, 0.3, 1);
}

.cs-stagger.stagger-in > *:nth-child(1) { opacity: 1; transform: none; transition-delay: 0s; }
.cs-stagger.stagger-in > *:nth-child(2) { opacity: 1; transform: none; transition-delay: 0.08s; }
.cs-stagger.stagger-in > *:nth-child(3) { opacity: 1; transform: none; transition-delay: 0.16s; }
.cs-stagger.stagger-in > *:nth-child(4) { opacity: 1; transform: none; transition-delay: 0.24s; }
.cs-stagger.stagger-in > *:nth-child(5) { opacity: 1; transform: none; transition-delay: 0.32s; }
.cs-stagger.stagger-in > *:nth-child(6) { opacity: 1; transform: none; transition-delay: 0.40s; }
.cs-stagger.stagger-in > *:nth-child(7) { opacity: 1; transform: none; transition-delay: 0.48s; }


/* ─────────────────────────────────────────
   RESPONSIVE
   ───────────────────────────────────────── */
@media (max-width: 1200px) {
    .cs-timeline       { right: 0.75rem; }
    .cs-timeline__label { display: none; }
}

@media (max-width: 1024px) {
    .cs-overview-grid  { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
    .cs-timeline       { display: none; }
    .cs-two-col        { grid-template-columns: 1fr; gap: 2rem; }
    .cs-aside-img      { max-width: 400px; }
    .cs-showcase       { grid-template-columns: 1fr; }
    .cs-poster         { position: static; max-width: 280px; }
    .cs-ch-meta        { grid-template-columns: 1fr; }
    .cs-photos         { grid-template-columns: 1fr 1fr; grid-template-rows: 220px 220px; }
    .cs-photos__main   { grid-row: 1; }
    .cs-photoshoot-grid{ grid-template-columns: repeat(2, 1fr); }
    .cs-video-trio     { grid-template-columns: 1fr 1fr; }
    .cs-video-trio .cs-video-card--vert { grid-column: 1 / -1; }
    .cs-video-trio .cs-video-card--vert .cs-video-wrap { aspect-ratio: 16 / 9; max-height: 400px; }
    .cs-video-grid-2col { grid-template-columns: 1fr 1fr; }
    .cs-video-grid-2col .cs-video-card--vert { grid-column: 1 / -1; grid-row: auto; }
    .cs-video-grid-2col .cs-video-card--vert .cs-video-wrap { aspect-ratio: 16 / 9; max-height: 400px; flex: none; }
    .cs-viral__below    { grid-template-columns: 1fr; }
    .cs-bts-grid       { grid-template-columns: 1fr 1fr; }
    .cs-stats-inner    { grid-template-columns: repeat(2, 1fr); }
    .cs-ep             { grid-template-columns: 90px 1fr auto; }
    .cs-artifact       { flex: 0 0 260px; }
}

@media (max-width: 640px) {
    .cs-hero           { padding-top: 6rem; }
    .cs-hero-img img   { aspect-ratio: 16 / 9; }
    .cs-stats-inner    { grid-template-columns: 1fr 1fr; }
    .cs-overview-grid  { grid-template-columns: 1fr; }
    .cs-thumb-grid     { grid-template-columns: repeat(2, 1fr); }
    .cs-video-trio     { grid-template-columns: 1fr; }
    .cs-video-trio .cs-video-card--vert .cs-video-wrap { aspect-ratio: 9 / 16; max-height: 500px; }
    .cs-video-grid-2col { grid-template-columns: 1fr; }
    .cs-video-grid-2col .cs-video-card--vert .cs-video-wrap { aspect-ratio: 9 / 16; max-height: 500px; flex: none; }
    .cs-photos         { grid-template-columns: 1fr; grid-template-rows: 220px 180px 180px; }
    .cs-photos__main   { grid-row: 1; grid-column: 1; }
    .cs-photos-row     { grid-template-columns: 1fr; }
    .cs-photos-row__item { aspect-ratio: 16 / 9; }
    .cs-photoshoot-grid{ grid-template-columns: repeat(2, 1fr); }
    .cs-bts-grid       { grid-template-columns: 1fr; }
    .cs-ep             { grid-template-columns: 80px 1fr auto; gap: 0.5rem; padding: 0.5rem; }
    .cs-ep__desc       { display: none; }
    .cs-meta           { gap: 1.5rem; }
    .cs-lightbox__img  { max-width: 95vw; }
    .cs-back           { top: 1rem; left: 1rem; }
}