.case-plain { background: #fff; color: var(--sd-ink); }
.case-plain *, .case-plain *::before, .case-plain *::after { box-sizing: border-box; }
.case-plain h1, .case-plain h2, .case-plain h3 { color: var(--sd-ink); }
.case-plain h2 { margin: 0; font-size: clamp(2rem, 3.8vw, 3.6rem); line-height: 1.1; letter-spacing: -.035em; text-wrap: balance; }
.case-plain p { color: var(--sd-muted); line-height: 1.75; }
.case-plain figure { margin: 0; }
.case-plain img { display: block; max-width: 100%; height: auto; }
.case-plain a:focus-visible { outline: 3px solid #b17620; outline-offset: 6px; }
.case-plain .im-kicker { margin: 0 0 24px; font-size: .8rem; font-weight: 600; color: var(--sd-support); }
.im-section { padding-block: clamp(64px, 8vw, 112px); }
.im-hero { padding-top: 120px; padding-bottom: clamp(2rem, 4vw, 3.5rem); overflow: clip; }
.im-back { display: inline-flex; gap: 10px; align-items: center; min-height: 44px; color: var(--sd-muted); font-size: .85rem; text-decoration: none; }
.im-back:hover { color: var(--sd-ink); }
.im-hero-grid { display: grid; grid-template-columns: 1fr 1.15fr; align-items: center; gap: 32px; padding: 24px 0 56px; }
.im-hero-visual { position: relative; isolation: isolate; min-width: 0; }
.portfolio-page .case-plain h1 { margin: 0; font-size: clamp(3rem, 5.7vw, 5.5rem); letter-spacing: -.04em; line-height: 1.02; background: none; -webkit-background-clip: initial; background-clip: initial; -webkit-text-fill-color: var(--sd-ink); color: var(--sd-ink); }
.case-plain .im-lead { margin: 24px 0 28px; font-size: clamp(1rem, 1.45vw, 1.2rem); line-height: 1.65; }
.case-plain .im-hero-device { max-width: 100%; width: 100%; border-radius: 12px; transform: rotate(var(--im-scroll-tilt, -3deg)); transform-origin: 50% 60%; }
.im-facts { display: grid; grid-template-columns: 1fr 1.4fr .7fr 1fr; gap: 24px; margin: 0; padding: 28px 0; border-block: 1px solid var(--sd-line); }
.im-facts dt { font-size: .8rem; color: var(--sd-muted); margin-bottom: 8px; }
.im-facts dd { margin: 0; font-size: .95rem; font-weight: 650; }
.im-brief { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; }
.im-brief p { margin: 0 0 20px; font-size: 1rem; max-width: 65ch; }
.im-brief p:last-child { margin-bottom: 0; }
.im-showcase { padding-block: clamp(56px, 7vw, 96px); background: #f4f6f7; }
.im-section-head { display: grid; grid-template-columns: 1.3fr 1fr; gap: 64px; align-items: end; margin-bottom: 40px; }
.im-section-head p { margin: 0; max-width: 40ch; }
.im-screen-link { display: block; position: relative; overflow: hidden; border-radius: 12px; background: transparent; }
.im-screen-link img { width: 100%; }
.case-plain figcaption { color: var(--sd-muted); font-size: .82rem; line-height: 1.6; margin-top: 16px; }
.im-decisions { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; margin-top: 40px; }
.im-decisions > div { border-top: 1px solid #bccbc6; padding-top: 20px; }
.im-decisions h3 { margin: 0 0 12px; font-size: 1.05rem; letter-spacing: -.015em; }
.im-decisions p { margin: 0; font-size: .92rem; }
.im-mobile { display: grid; grid-template-columns: 1.35fr 1fr; gap: clamp(48px, 8vw, 112px); align-items: center; }
.im-mobile-copy > p { max-width: 54ch; margin: 24px 0; }
.im-notes { margin: 28px 0 32px; }
.im-notes > div { padding-block: 16px; border-top: 1px solid var(--sd-line); }
.im-notes dt { font-weight: 700; margin-bottom: 6px; }
.im-notes dd { margin: 0; font-size: .92rem; color: var(--sd-muted); line-height: 1.6; }
.im-tablet img { width: 100%; border-radius: 12px; }
.im-phone-figure { justify-self: center; max-width: 330px; width: 100%; text-align: center; }
.im-phone { display: block; border-radius: 12px; overflow: hidden; transition: transform .3s ease; }
.im-phone img { width: 100%; }
.im-phone:hover { transform: translateY(-4px); }
.im-phone-figure figcaption { margin-top: 28px; }
.im-delivery { background: var(--sd-ink); padding-block: clamp(56px, 7vw, 96px); }
.im-delivery-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; }
.case-plain .im-delivery h2 { color: #fff; }
.case-plain .im-delivery .im-kicker { color: #cfb17e; }
.im-delivery ul { list-style: none; padding: 0; margin: 0; }
.im-delivery li { border-top: 1px solid #46616d; padding: 24px 0; }
.im-delivery li:first-child { padding-top: 0; border: 0; }
.im-delivery li:last-child { padding-bottom: 0; }
.im-delivery strong { display: block; color: white; font-size: 1.1rem; margin-bottom: 8px; }
.im-delivery li span { color: #c1cfd4; line-height: 1.7; font-size: .95rem; }
.im-enquiry { display: flex; justify-content: space-between; align-items: center; gap: 40px; margin-bottom: 72px; }
.im-enquiry p { margin: 0 0 24px; }
.im-next { display: grid; grid-template-columns: 240px 1fr auto; gap: 32px; align-items: center; padding-top: 32px; border-top: 1px solid var(--sd-line); text-decoration: none; color: var(--sd-ink); }
.im-next > img { width: 100%; border-radius: 8px; background: #f4f6f7; }
.im-next small { color: var(--sd-muted); font-size: .8rem; }
.im-next strong { display: block; font-size: 1.6rem; letter-spacing: -.025em; margin: 8px 0; }
.im-next > span > span { font-size: .9rem; color: var(--sd-muted); }
.im-next > i { font-size: 2rem; transition: transform .25s ease; }
.im-next:hover > i { transform: translate(3px, -3px); }
@media (max-width: 900px) {
    .im-hero-visual { width: 100%; max-width: 680px; justify-self: center; }
    .im-hero { padding-top: 112px; }
    .im-hero-grid { grid-template-columns: 1fr; gap: 24px; padding-bottom: 32px; }
    .case-plain .im-hero-device { width: 100%; max-width: 680px; justify-self: center; }
    .im-facts { grid-template-columns: 1fr 1fr; }
    .im-brief, .im-section-head, .im-delivery-grid { grid-template-columns: 1fr; gap: 28px; }
    .im-mobile { gap: 32px; grid-template-columns: 1.2fr 1fr; }
    .im-decisions { gap: 24px; }
    .im-next { grid-template-columns: 180px 1fr auto; gap: 24px; }
}
@media (max-width: 600px) {
    .case-plain .detail-container { width: calc(100% - 40px); }
    .im-hero { padding-top: 100px; }
    .im-hero-grid { padding-top: 16px; }
    .portfolio-page .case-plain h1 { font-size: clamp(2.8rem, 12vw, 4rem); }
    .case-plain .im-kicker { font-size: .75rem; margin-bottom: 16px; }
    .im-facts { column-gap: 20px; row-gap: 24px; }
    .im-facts dd { font-size: .85rem; }
    .im-section-head { margin-bottom: 28px; }
    .im-decisions, .im-mobile { grid-template-columns: 1fr; }
    .im-phone-figure { max-width: 300px; }
    .im-enlarge { position: static; border-radius: 0; justify-content: center; }
    .im-enquiry { display: block; margin-bottom: 48px; }
    .im-enquiry > div { margin-top: 24px; }
    .im-next { grid-template-columns: 1fr auto; gap: 20px; }
    .im-next > img { grid-column: 1 / -1; }
    .im-next strong { font-size: 1.4rem; }
}
@media (prefers-reduced-motion: reduce) {
    .case-plain .im-hero-device { transform: none; }
    .im-phone, .im-next > i { transition: none; }
    .im-phone:hover, .im-next:hover > i { transform: none; }
}

/* Flat artwork (transparent composites) instead of a device: no tilt, no radius. */
.case-plain .im-hero-device.im-hero-flat { transform: none; border-radius: 0; filter: drop-shadow(0 26px 40px rgba(21, 64, 80, .22)); }
/* Case studies run on white: override the paper tint the shared sections use. */
.portfolio-page.case-white .case-overview,
.portfolio-page.case-white .case-gallery-section { background: #fff; }

/* ===================================================================
   Dark facts band under the case hero: the one dark element on the
   page, so client, location, timeline and role are read, not skipped.
   =================================================================== */
.case-band { color: #fff; background: var(--sd-ink); }
.case-band-grid {
    display: grid;
    grid-template-columns: auto minmax(0, 1.4fr) minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1.1fr);
    gap: clamp(1.25rem, 2.5vw, 2.75rem);
    align-items: center;
    padding-top: clamp(1.6rem, 2.6vw, 2.2rem);
    padding-bottom: clamp(1.6rem, 2.6vw, 2.2rem);
}
.case-band-logo img { display: block; height: 52px; width: auto; }
.case-band-cell > span {
    display: block;
    margin-bottom: .45rem;
    color: var(--sd-gold);
    font-family: 'DM Mono', monospace;
    font-size: .6rem;
    letter-spacing: .12em;
    text-transform: uppercase;
}
.case-band-cell strong { display: flex; align-items: center; gap: .55rem; color: #fff; font-size: 1.02rem; font-weight: 750; line-height: 1.25; }
.case-band-cell small { display: block; margin-top: .35rem; color: rgba(255, 255, 255, .62); font-size: .8rem; line-height: 1.45; }
.case-flag { flex-shrink: 0; width: 27px; height: 18px; border-radius: 3px; box-shadow: 0 0 0 1px rgba(255, 255, 255, .2); }
.case-band-tags { display: flex; flex-wrap: wrap; gap: .35rem; }
.case-band-tags em {
    padding: .32rem .6rem;
    color: var(--sd-gold);
    background: rgba(223, 161, 68, .12);
    border: 1px solid rgba(223, 161, 68, .34);
    border-radius: 6px;
    font-family: 'DM Mono', monospace;
    font-size: .62rem;
    font-style: normal;
    letter-spacing: .04em;
}
.case-band-links { display: flex; align-items: center; gap: .7rem; }
.case-band-social {
    display: grid;
    place-items: center;
    width: 48px;
    height: 48px;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, .24);
    border-radius: 9px;
    font-size: 1.35rem;
    text-decoration: none;
    transition: color .2s ease, border-color .2s ease;
}
.case-band-social:hover { color: var(--sd-gold); border-color: var(--sd-gold); }
/* Sidebar retired in favour of the band: overview is one column. */
.portfolio-page.case-white .case-overview-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: center; }
.portfolio-page.case-white .case-overview-visual .case-beforeafter { max-width: none; margin: 0; }
@media (max-width: 900px) { .portfolio-page.case-white .case-overview-grid { grid-template-columns: 1fr; } }
@media (max-width: 1100px) {
    .case-band-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 1.6rem; }
    .case-band-logo { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
    .case-band-grid { grid-template-columns: 1fr; }
    .case-band-links { flex-wrap: wrap; }
}

/* Hero actions: primary button plus the client's social link. */
.im-hero-actions { display: flex; align-items: center; gap: .7rem; flex-wrap: wrap; }
.im-hero-social {
    display: grid;
    place-items: center;
    width: 48px;
    height: 48px;
    color: var(--sd-ink);
    border: 1px solid rgba(21, 64, 80, .28);
    border-radius: 9px;
    font-size: 1.35rem;
    text-decoration: none;
    transition: color .2s ease, border-color .2s ease;
}
.im-hero-social:hover { color: var(--sd-teal); border-color: var(--sd-teal); }

/* Project FAQ (marked up as FAQPage). */
.im-faq h2 { margin: 0 0 1.25rem; }
.im-faq-list { border-top: 1px solid var(--sd-line); }
.im-faq-list details { border-bottom: 1px solid var(--sd-line); }
.im-faq-list summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.1rem 0;
    color: var(--sd-ink);
    font-size: 1.02rem;
    font-weight: 700;
    cursor: pointer;
    list-style: none;
}
.im-faq-list summary::-webkit-details-marker { display: none; }
.im-faq-list summary::after { content: '+'; flex-shrink: 0; color: var(--sd-teal); font-size: 1.3rem; font-weight: 500; line-height: 1; transition: transform .2s ease; }
.im-faq-list details[open] summary::after { transform: rotate(45deg); }
.im-faq-list summary:focus-visible { outline: 2px solid var(--sd-gold); outline-offset: 4px; }
.im-faq-list details p { max-width: 70ch; margin: 0 0 1.2rem; }
/* Link from a case study back to the service it demonstrates. */
.im-service-link { display: inline-flex; align-items: center; gap: .45rem; margin-left: 1.25rem; color: var(--sd-teal); font-size: .92rem; font-weight: 700; text-decoration: none; }
.im-service-link:hover { color: var(--sd-gold); }
@media (max-width: 640px) { .im-service-link { display: flex; margin: 1rem 0 0; } }

/* ===================================================================
   Section collage: the finished site's sections as tilted tiles in two
   rows that slide sideways while you scroll. No box: the rows run off
   both edges of the screen and sit straight on the page background.
   =================================================================== */
.im-collage { padding-block: clamp(56px, 7vw, 96px) 0; }
.im-collage-head { margin-bottom: clamp(1rem, 2vw, 1.5rem); }
.im-collage-head h2 { margin: 0 0 .6rem; }
.im-collage-head p { max-width: 62ch; margin: 0; }
.im-collage-stage {
    position: relative;
    padding: clamp(3rem, 6vw, 5.5rem) 0 clamp(3.5rem, 7vw, 6.5rem);
    overflow: clip;
}
.im-collage-grid {
    position: relative;
    left: 50%;
    width: 190vw;
    display: grid;
    gap: clamp(2rem, 4vw, 4.25rem);
    transform: translateX(-50%) rotate(-6deg);
    transform-origin: 50% 50%;
}
.im-collage-row {
    display: flex;
    gap: clamp(2rem, 4vw, 4.25rem);
    will-change: transform;
    transform: translate3d(var(--drift, 0px), 0, 0);
    backface-visibility: hidden;
}
.im-collage-row:nth-child(2) { padding-left: 12vw; }
.im-tile {
    flex: 0 0 clamp(360px, 38vw, 600px);
    margin: 0;
    overflow: hidden;
    background: #fff;
    border: 1px solid rgba(21, 64, 80, .10);
    border-radius: 14px;
    /* hairline edge + a tight contact shadow: enough to read the tile against white, never a halo */
    box-shadow: 0 1px 2px rgba(21, 64, 80, .10), 0 10px 28px rgba(21, 64, 80, .09);
}
.im-tile img { display: block; width: 100%; height: auto; }
@media (max-width: 900px) {
    .im-collage-stage { padding: clamp(2rem, 6vw, 3rem) 0 clamp(2.5rem, 7vw, 4rem); }
    .im-collage-grid { width: 240vw; gap: clamp(1.5rem, 5vw, 2.5rem); }
    .im-collage-row { gap: clamp(1.5rem, 5vw, 2.5rem); }
    .im-collage-row:nth-child(2) { padding-left: 22vw; }
    .im-tile { flex-basis: clamp(250px, 64vw, 360px); }
}
@media (prefers-reduced-motion: reduce) {
    .im-collage-row { transform: none; will-change: auto; }
}

/* Stack used, inside the delivery band. */
.im-stack { margin-top: 2.75rem; }
.case-plain .im-stack .im-stack-label { margin: 0 0 1.1rem; color: #cfb17e; font-family: 'DM Mono', monospace; font-size: .62rem; line-height: 1.4; letter-spacing: .12em; text-transform: uppercase; }
.im-stack-pills { display: flex; flex-wrap: wrap; gap: .75rem; }
.im-stack-pills span {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .6rem 1rem .6rem .7rem;
    color: var(--sd-ink);
    background: #fff;
    border-radius: 999px;
    font-size: .85rem;
    font-weight: 700;
}
.im-stack-pills img { width: 20px; height: 20px; }
.case-plain .im-stack > p { margin: 1rem 0 0; max-width: 46ch; color: #c1cfd4; font-size: .95rem; line-height: 1.7; }
.im-stack code { padding: .1rem .35rem; color: #fff; background: rgba(255, 255, 255, .1); border-radius: 4px; font-family: 'DM Mono', monospace; font-size: .85em; }

/* Case study still waiting on its device mockups: one column, no empty half. */
.im-mobile-await { grid-template-columns: 1fr; }
.im-mobile-await .im-mobile-copy > p { max-width: 62ch; }
.im-mobile-await .im-notes { max-width: 72ch; }