/* CASE ACCORDION — 4 full-bleed colored bars (snapshot/challenge/approach/results).
   Click a bar → its content panel slides open inline. Single-open is enforced in JS. */

.case-accordion {
    background: #fff;
}

/* ============== PANEL BAR ============== */
.case-panel { display: block; }

.case-panel-bar {
    width: 100%;
    border: 0;
    cursor: pointer;
    padding: clamp(20px, 2.4vw, 30px) 32px;
    display: flex;
    justify-content: center;
    align-items: baseline;
    gap: 14px;
    font-family: var(--font-mono);
    font-weight: 300;
    font-size: clamp(1.05rem, 1.25vw, 1.25rem);
    letter-spacing: 0.09em;
    text-transform: uppercase;
    color: #fff;
    text-align: center;
    transition: filter 0.2s ease;
}
.case-panel-bar:hover { filter: brightness(1.06); }
.case-panel-bar:focus-visible { outline: 2px solid #fff; outline-offset: -6px; }

.case-panel-num {
    font-weight: 300;
    letter-spacing: 0.14em;
}
.case-panel-label { font-weight: 300; }

/* Variant colors */
.case-panel-bar--blue     { background: var(--clr-blue); }
.case-panel-bar--lavender { background: #8090ff; }
.case-panel-bar--yellow   { background: var(--clr-yellow); color: #fff; }
.case-panel-bar--red      { background: var(--clr-red); }

/* ============== PANEL CONTENT (collapse/expand) ============== */
.case-panel-content {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.32s ease;
    background: #fff;
    overflow: hidden;
}
.case-panel-content > .case-panel-inner {
    min-height: 0;
    overflow: hidden;
    transition: opacity 0.25s ease, padding 0.32s ease;
    opacity: 0;
    padding: 0 32px;
}
.case-panel[data-open] > .case-panel-content {
    grid-template-rows: 1fr;
}
.case-panel[data-open] > .case-panel-content > .case-panel-inner {
    opacity: 1;
    /* Top padding ~20% tighter than bottom — pulls the first heading closer to its bar */
    padding: clamp(45px, 5.6vw, 88px) 32px clamp(56px, 7vw, 110px);
}

/* ============== 01. CLIENT SNAPSHOT — two-column with portrait ============== */
.cs-snapshot {
    max-width: 1180px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(40px, 5vw, 90px);
    align-items: start;
}

.cs-snapshot-name {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(2.4rem, 4.4vw, 3.8rem);
    line-height: 1.04;
    letter-spacing: -0.012em;
    color: var(--clr-navy);
    margin: 0 0 26px;
}
.cs-snapshot-name .line { display: block; }

/* Subtitle line under the client name. Bound to a custom WP field. */
.cs-snapshot-subtitle {
    font-family: var(--font-mono);
    font-weight: 500;
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--clr-navy);
    margin: 0 0 36px;
}

.cs-snapshot-body p {
    font-family: var(--font-body);
    font-size: 0.98rem;
    line-height: 1.6;
    color: var(--clr-navy);
    margin: 0 0 18px;
    letter-spacing: 0;
}
.cs-snapshot-body p:last-child { margin-bottom: 0; }

.cs-snapshot-photo img {
    display: block;
    width: 100%;
    height: auto;
    object-fit: cover;
    aspect-ratio: 4 / 5;
}

/* ============== 02. THE CHALLENGE — centered headline + narrow body w/ navy line ============== */
.cs-challenge {
    max-width: 980px;
    margin: 0 auto;
    text-align: center;
    position: relative;
}

.cs-challenge-headline {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(2.2rem, 4.6vw, 3.8rem);
    line-height: 1.08;
    letter-spacing: -0.012em;
    color: var(--clr-navy);
    margin: 0 0 48px;
}
.cs-challenge-headline .line { display: block; white-space: nowrap; }

.cs-challenge-body {
    max-width: 640px;
    margin: 0 auto;
    position: relative;
    padding-right: 40px;
}
.cs-challenge-body::after {
    content: "";
    position: absolute;
    top: 8px;
    bottom: 8px;
    right: 0;
    width: 1px;
    background: var(--clr-navy);
}
/* Yellow downward triangle that overlays the right-side bar, centered on it.
   14px wide → -7px positions the triangle's center over the 1px bar at right:0. */
.cs-challenge-body::before {
    content: "";
    position: absolute;
    right: -7px;
    top: 62%;
    width: 0;
    height: 0;
    border-left: 7px solid transparent;
    border-right: 7px solid transparent;
    border-top: 11px solid var(--clr-yellow);
    z-index: 1;
}
.cs-challenge-body p {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--clr-navy);
    margin: 0 0 22px;
    letter-spacing: 0;
    text-align: center;
}
.cs-challenge-body p:last-child { margin-bottom: 0; }

/* ============== 03. OUR APPROACH ============== */
.cs-approach {
    max-width: 760px;
    margin: 0 auto;
    text-align: center;
}

.cs-approach-headline {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(2rem, 3.8vw, 3rem);
    line-height: 1.1;
    letter-spacing: -0.005em;
    color: var(--clr-navy);
    margin: 0 0 28px;
}

.cs-approach-quote {
    font-family: var(--font-body);
    font-style: italic;
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--clr-navy);
    max-width: 560px;
    margin: 0 auto 22px;
    letter-spacing: 0;
}

.cs-approach-lede {
    font-family: var(--font-body);
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--clr-navy);
    max-width: 560px;
    margin: 0 auto 36px;
    letter-spacing: 0;
}

/* ===== Inner accordion (single-open) ===== */
.cs-subaccordion {
    text-align: left;
    border-top: 1px solid #cdd1da;
    margin-bottom: 40px;
}
.cs-sub-item {
    border-bottom: 1px solid #cdd1da;
}

.cs-sub-bar {
    width: 100%;
    background: transparent;
    border: 0;
    cursor: pointer;
    padding: 14px 4px;
    display: flex;
    align-items: baseline;
    gap: 14px;
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 0.9rem;
    color: var(--clr-navy);
    text-align: left;
}
.cs-sub-bar:hover { color: var(--clr-red); }
.cs-sub-bar:focus-visible { outline: 2px dotted var(--clr-blue); outline-offset: 2px; }

.cs-sub-num {
    font-family: var(--font-mono);
    font-weight: 500;
    letter-spacing: 0.06em;
    flex: 0 0 auto;
}

.cs-sub-content {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.28s ease;
    overflow: hidden;
}
.cs-sub-content > p {
    min-height: 0;
    overflow: hidden;
    margin: 0;
    padding: 0 4px 0;
    font-family: var(--font-body);
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--clr-navy);
    opacity: 0;
    transition: opacity 0.22s ease, padding 0.28s ease;
    letter-spacing: 0;
}
.cs-sub-item[data-open] > .cs-sub-content {
    grid-template-rows: 1fr;
}
.cs-sub-item[data-open] > .cs-sub-content > p {
    opacity: 1;
    padding: 0 4px 18px;
}

.cs-approach-cta {
    margin-top: 8px;
    text-align: center;
}

/* ============== 04. THE RESULTS — centered headline + 2-col body ============== */
.cs-results {
    max-width: 1080px;
    margin: 0 auto;
    text-align: center;
}

.cs-results-headline {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(2rem, 3.8vw, 3rem);
    line-height: 1.1;
    letter-spacing: -0.005em;
    color: var(--clr-navy);
    margin: 0 0 40px;
}

.cs-results-cols {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(40px, 5vw, 80px);
    text-align: left;
}
.cs-results-col p {
    font-family: var(--font-body);
    font-size: 0.92rem;
    line-height: 1.62;
    color: var(--clr-navy);
    margin: 0 0 18px;
    letter-spacing: 0;
}
.cs-results-list {
    list-style: disc;
    padding-left: 18px;
    margin: 6px 0 0;
}
.cs-results-list li {
    font-family: var(--font-body);
    font-size: 0.92rem;
    line-height: 1.45;
    color: var(--clr-navy);
    letter-spacing: 0;
    margin-bottom: 4px;
}
.cs-results-list li:last-child { margin-bottom: 0; }

/* ============== TABLET ============== */
@media (max-width: 1024px) {
    .case-panel[data-open] > .case-panel-content > .case-panel-inner {
        padding: clamp(38px, 5.6vw, 64px) 24px clamp(48px, 7vw, 80px);
    }
    .cs-snapshot { grid-template-columns: 1fr; gap: 36px; }
    .cs-snapshot-photo img { aspect-ratio: 4 / 5; max-width: 480px; margin: 0 auto; }

    .cs-challenge-headline .line { white-space: normal; display: inline; }
    .cs-challenge-headline .line + .line::before { content: " "; }
    /* Bar + triangle stay on tablet — only hidden at the mobile breakpoint below */

    .cs-results-cols { grid-template-columns: 1fr; gap: 26px; }
}

/* ============== MOBILE ============== */
@media (max-width: 600px) {
    .case-panel-bar { padding: 18px 20px; font-size: 0.84rem; letter-spacing: 0.14em; gap: 10px; }
    .case-panel[data-open] > .case-panel-content > .case-panel-inner {
        padding: 32px 20px 40px;
    }

    .cs-snapshot-name { font-size: clamp(1.9rem, 9vw, 2.5rem); }
    .cs-snapshot-tags { gap: 16px; flex-wrap: wrap; }
    .cs-snapshot-photo img { max-width: 100%; }

    .cs-challenge-headline { font-size: clamp(1.7rem, 7vw, 2.3rem); margin-bottom: 32px; }
    .cs-challenge-body { padding-right: 0; }
    .cs-challenge-body::after,
    .cs-challenge-body::before { display: none; }
    .cs-challenge-body p { font-size: 0.95rem; }

    .cs-approach-headline,
    .cs-results-headline { font-size: clamp(1.7rem, 7vw, 2.3rem); }
    .cs-approach-quote, .cs-approach-lede { font-size: 0.92rem; }
    .cs-results-col p, .cs-results-list li { font-size: 0.9rem; }
}