/* =============================================
   CARESTREAM INNOVATION TIMELINE
   Vertical alternating layout — image above text
   ============================================= */

.cs-tl {
    padding-block: var(--space-20);
}

.cs-tl__intro {
    max-width: 600px;
    margin-inline: auto;
    text-align: center;
    margin-bottom: var(--space-16);
}

/* ── Entries wrapper ─────────────────────────── */

.cs-tl__entries {
    position: relative;
    max-width: 900px;
    margin-inline: auto;
}

/* Vertical center line — track */
.cs-tl__entries::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-border);
    transform: translateX(-50%);
}

/* Vertical center line — fill */
.cs-tl__entries::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    width: 2px;
    height: calc(var(--tl-progress, 0) * 100%);
    background: var(--color-accent);
    transform: translateX(-50%);
    z-index: 0;
    pointer-events: none;
}

/* ── Entry — 2-col, 2-row grid ───────────────── */

.cs-tl__entry {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    position: relative;
    margin-bottom: var(--space-6);
    overflow: visible;
}

.cs-tl__entry:has(.cs-tl__media) {
    margin-top: -100px;
}

.cs-tl__entry:first-child {
    margin-top: 0;
}

.cs-tl__entry:last-child {
    margin-bottom: 0;
}

/* Dot on the center line — shared */
.cs-tl__body::before {
    content: '';
    position: absolute;
    top: calc(var(--space-2) + 0.25rem);
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-border);
    border: 2px solid var(--color-white);
    box-shadow: 0 0 0 2px var(--color-border);
    z-index: 1;
    transition: background 0.3s ease, box-shadow 0.3s ease;
}

/* Odd: body is left column — dot sits on the right edge */
.cs-tl__entry:nth-child(odd) .cs-tl__body::before {
    left: 100%;
    transform: translateX(-50%);
}

/* Even: body is right column — dot sits on the left edge */
.cs-tl__entry:nth-child(even) .cs-tl__body::before {
    left: 0;
    transform: translateX(-50%);
}

.cs-tl__entry.is-active .cs-tl__body::before {
    background: var(--color-accent);
    box-shadow: 0 0 0 2px var(--color-accent);
}

/* ── Media — row 1, same column as body ──────── */

.cs-tl__media {
    position: relative;
    grid-row: 1;
    height: 180px;
    display: flex;
    align-items: flex-end;
    overflow: visible;
}

.cs-tl__media img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    object-fit: contain;
    display: block;
}

/* odd: left column */
.cs-tl__entry:nth-child(odd) .cs-tl__media {
    grid-column: 1;
    padding-right: var(--space-10);
    justify-content: flex-end;
}

/* even: right column */
.cs-tl__entry:nth-child(even) .cs-tl__media {
    grid-column: 2;
    padding-left: var(--space-10);
    justify-content: flex-start;
}

/* ── Per-entry single-image rotations ────────── */

.cs-tl__entry:nth-child(1)  .cs-tl__media img {    }
.cs-tl__entry:nth-child(2)  .cs-tl__media img {    }
.cs-tl__entry:nth-child(6)  .cs-tl__media img {    }
.cs-tl__entry:nth-child(9)  .cs-tl__media img {    }
.cs-tl__entry:nth-child(11) .cs-tl__media img {    }
.cs-tl__entry:nth-child(12) .cs-tl__media img {    }
.cs-tl__entry:nth-child(13) .cs-tl__media img {    }
.cs-tl__entry:nth-child(14) .cs-tl__media img { transform: rotate(-45deg) translateX(26px) translateY(62px);  }

.cs-tl__entry:nth-child(15) .cs-tl__media img:nth-child(1) { transform: scale(2) translateX(10px) translateY(-20px);   }
.cs-tl__entry:nth-child(15) .cs-tl__media img:nth-child(2) { transform: translateX(-130px) scale(2);   }
.cs-tl__entry:nth-child(15) .cs-tl__media img:nth-child(3) { transform: rotate(-34deg) translateX(-212px) translateY(69px) scale(2); z-index: -1;  } /* nice*/

.cs-tl__entry:nth-child(16) .cs-tl__media img { transform: scaleX(-1.4) scaleY(1.4) translateX(-31px) translateY(-10px); z-index: -1; }
.cs-tl__entry:nth-child(17) .cs-tl__media img {    }

.cs-tl__entry:nth-child(18) .cs-tl__media img:nth-child(1) { transform: rotate(2deg) scale(1.8) translateX(10px); z-index: 2;   }
.cs-tl__entry:nth-child(18) .cs-tl__media img:nth-child(2) { transform: rotate(2deg) translateX(125px) translateY(10px) scale(1.6); z-index: 1; }

.cs-tl__entry:nth-child(19) .cs-tl__media img:nth-child(1) { transform:  translateX(-75px) translateY(10px) scale(2.5); }
.cs-tl__entry:nth-child(19) .cs-tl__media img:nth-child(2) { transform: translateX(-10px) scale(1.2); }

.cs-tl__entry:nth-child(20) .cs-tl__media img { transform: scale(0.9) translateX(-81px);   }
.cs-tl__entry:nth-child(21) .cs-tl__media img { transform: scale(2) translateX(-42px); z-index: -1;  }

.cs-tl__entry:nth-child(22) .cs-tl__media img:nth-child(1) { transform: scale(2) translateX(10px);    }
.cs-tl__entry:nth-child(22) .cs-tl__media img:nth-child(2) { transform: translate(150px);    }

.cs-tl__entry:nth-child(23) .cs-tl__media img { transform: scale(0.8) translateX(50px);   }
.cs-tl__entry:nth-child(24) .cs-tl__media img {    }
.cs-tl__entry:nth-child(25) .cs-tl__media img {    }
.cs-tl__entry:nth-child(26) .cs-tl__media img { transform: scale(1.2) translateX(12px) translateY(-10px);   }
.cs-tl__entry:nth-child(27) .cs-tl__media img {    }

.cs-tl__entry:nth-child(28) .cs-tl__media img:nth-child(1) { transform: scale(2) translateX(110px) translateY(50px) rotate(20deg);    }
.cs-tl__entry:nth-child(28) .cs-tl__media img:nth-child(2) { transform: scale(2) translateX(30px);    }

/* ── Multi-image collage ─────────────────────── */

.cs-tl__media--multi {
    height: 200px;
}

.cs-tl__media--multi img {
    position: absolute;
    width: 150px;
    height: 125px;
    object-fit: contain;
    transform-origin: center bottom;
}

/* ── Body — row 2, same column as media ──────── */

.cs-tl__body {
    grid-row: 2;
    padding-top: var(--space-2);
    position: relative;
    z-index: 1;
}

.cs-tl__entry:nth-child(odd) .cs-tl__body {
    grid-column: 1;
    padding-right: var(--space-10);
    text-align: right;
}

.cs-tl__entry:nth-child(odd) .cs-tl__text {
    margin-left: auto;
}

.cs-tl__entry:nth-child(even) .cs-tl__body {
    grid-column: 2;
    padding-left: var(--space-10);
    text-align: left;
}

/* ── Year & text ─────────────────────────────── */

.cs-tl__year {
    display: block;
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: var(--space-2);
}

.cs-tl__text {
    font-size: 0.9rem;
    color: var(--color-muted);
    line-height: 1.6;
    max-width: 26ch;
}

.cs-tl__text a {
    color: var(--color-accent);
    text-decoration: underline;
    text-decoration-color: transparent;
    text-underline-offset: 2px;
    transition: text-decoration-color 0.15s ease;
}

.cs-tl__text a:hover {
    text-decoration-color: currentColor;
}

/* ── Responsive ──────────────────────────────── */

@media (max-width: 640px) {
    .cs-tl__entry:has(.cs-tl__media) {
        margin-top: 0;
    }

    .cs-tl__entries {
        padding-inline: var(--space-6);
    }

    .cs-tl__entries::before,
    .cs-tl__entries::after {
        left: var(--space-6);
        transform: none;
    }

    .cs-tl__entry {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto;
        padding-left: var(--space-8);
        margin-bottom: var(--space-10);
    }

    .cs-tl__entry:nth-child(odd) .cs-tl__body::before,
    .cs-tl__entry:nth-child(even) .cs-tl__body::before {
        left: calc(-1 * var(--space-8));
        transform: translateX(-50%);
    }

    .cs-tl__media,
    .cs-tl__entry:nth-child(odd) .cs-tl__media,
    .cs-tl__entry:nth-child(even) .cs-tl__media {
        grid-column: 1;
        grid-row: 1;
        height: 100px;
        padding: 0;
        justify-content: flex-start;
    }

    .cs-tl__media img,
    .cs-tl__entry:nth-child(odd) .cs-tl__media img,
    .cs-tl__entry:nth-child(even) .cs-tl__media img {
        transform: none !important;
    }

    .cs-tl__body,
    .cs-tl__entry:nth-child(odd) .cs-tl__body,
    .cs-tl__entry:nth-child(even) .cs-tl__body {
        grid-column: 1;
        grid-row: 2;
        padding: var(--space-3) 0 0;
        text-align: left;
    }

    .cs-tl__entry:nth-child(odd) .cs-tl__text {
        margin-left: 0;
        max-width: 100%;
    }

    .cs-tl__media--multi {
        height: 90px;
        justify-content: flex-start;
        align-items: center;
        gap: var(--space-2);
        display: flex;
    }

    .cs-tl__media--multi img {
        position: static;
        width: 70px;
        height: 70px;
        transform: none !important;
        flex-shrink: 0;
    }
}