/*
 * Layer 2 · Batch D: testimonials (br-tst-), case studies (br-case-), founder note (br-fn-), sample care report (br-rep-).
 * Loaded only on pages that use these blocks.
 */

/* ================= D1 · Testimonials ================= */
.br-tst-grid { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 9fr); gap: clamp(32px, 5vw, 96px); }
.br-tst-side { display: flex; flex-direction: column; justify-content: space-between; gap: 32px; }
.br-tst-h { margin: 28px 0 0; font-size: clamp(1.75rem, 1rem + 1.6vw, 2.75rem); line-height: 1.05; letter-spacing: -.04em; font-weight: 600; }
.br-tst-ctrl { display: flex; align-items: center; gap: 10px; }
.br-tst-ctrl button { width: 52px; height: 52px; border: 0; border-radius: 50%; background: none; color: var(--br-bone); cursor: pointer; box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--br-bone) 22%, transparent); display: grid; place-items: center; transition: background-color .25s, color .25s; }
.br-tst-ctrl button:hover { background: var(--br-bone); color: var(--br-black); }
.br-tst-ctrl svg { width: 16px; height: 16px; }
.br-tst-count { font-family: var(--br-mono); font-size: .9375rem; color: var(--br-mist); margin-left: 8px; }
.br-tst-dots { display: flex; gap: 8px; margin-top: 28px; }
.br-tst-dots button { position: relative; width: 48px; height: 4px; padding: 0; border: 0; border-radius: 4px; background: var(--br-steel); overflow: hidden; cursor: pointer; }
.br-tst-dots button::after { content: ""; position: absolute; inset: -10px 0; }
.br-tst-dots i { position: absolute; inset: 0; background: var(--br-lime); transform: scaleX(0); transform-origin: left; }
.br-tst-dots button[aria-current="true"] i { transform: scaleX(var(--p, 0)); }
.br-tst-dots button.is-seen i { transform: scaleX(1); background: var(--br-mist); }
.br-tst-stage { position: relative; display: grid; }
.br-tst-slide { grid-area: 1 / 1; margin: 0; display: flex; flex-direction: column; justify-content: space-between; gap: 36px; visibility: hidden; }
.br-tst-slide.is-on { visibility: visible; }
.br-tst-mark { width: 56px; height: 20px; }
.br-tst-mark polyline { fill: none; stroke: var(--br-lime); stroke-width: 2; }
.br-tst-q { margin: 20px 0 0; padding: 0; border: 0; font-size: clamp(1.75rem, 1rem + 2.6vw, 3.75rem); line-height: 1.12; letter-spacing: -.04em; font-weight: 500; max-width: 26ch; color: var(--br-bone); }
.br-tst-q .w { display: inline-block; }
.br-tst-who { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.br-tst-av { width: 56px; height: 56px; border-radius: 50%; background: var(--br-graphite); display: grid; place-items: center; font-weight: 600; color: var(--br-mist); flex: none; font-size: .9375rem; }
.br-tst-who b { display: block; font-weight: 600; font-size: 1.0625rem; }
.br-tst-who span { color: var(--br-mist); font-size: .9375rem; }
@media (max-width: 900px) { .br-tst-grid { grid-template-columns: minmax(0, 1fr); } }

/* ================= D2 · Case studies ================= */
.br-case-bar { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; margin-bottom: 24px; }
.br-case-note { margin: 0; font-size: .9375rem; color: var(--br-ink-2); display: flex; gap: 10px; align-items: center; }
.br-case-note svg { width: 16px; height: 16px; }
.br-case-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 12px; }
.br-case-c { grid-column: span 4; display: flex; flex-direction: column; border-radius: 24px; background: var(--br-paper); box-shadow: inset 0 0 0 1px var(--br-line-light); overflow: hidden; color: var(--br-black); text-decoration: none; }
.br-case-c.is-big { grid-column: span 8; grid-row: span 2; }
.br-case-c[hidden] { display: none; }
.br-case-cover { position: relative; aspect-ratio: 16 / 10; background: var(--br-black); overflow: hidden; }
.br-case-c.is-big .br-case-cover { aspect-ratio: auto; flex: 1; min-height: 340px; }
.br-case-cover svg { position: absolute; inset: 0; width: 100%; height: 100%; transition: transform 1.1s var(--br-ease); }
.br-case-c:hover .br-case-cover svg { transform: scale(1.06); }
.br-case-gr path { stroke: color-mix(in srgb, var(--br-bone) 6%, transparent); stroke-width: 1; fill: none; }
.br-case-rg { fill: none; stroke: var(--br-lime); stroke-width: 2; vector-effect: non-scaling-stroke; }
.br-case-rm { fill: var(--br-carbon); }
.br-case-bx { fill: none; stroke: color-mix(in srgb, var(--br-bone) 18%, transparent); stroke-width: 1; vector-effect: non-scaling-stroke; }
.br-case-chip { position: absolute; left: 18px; top: 18px; display: inline-flex; align-items: center; gap: 8px; height: 30px; padding: 0 12px; border-radius: 999px; background: color-mix(in srgb, var(--br-black) 75%, transparent); color: var(--br-bone); font-size: .8125rem; }
.br-case-chip::before { content: ""; width: 6px; height: 6px; background: var(--br-lime); transform: rotate(45deg); }
.br-case-metric { position: absolute; right: 18px; bottom: 18px; text-align: right; color: var(--br-bone); }
.br-case-metric b { display: block; font-family: var(--br-mono); font-size: clamp(2rem, 1.2rem + 2vw, 3.5rem); line-height: 1; letter-spacing: -.06em; font-weight: 500; }
.br-case-metric span { font-size: .8125rem; color: var(--br-mist); }
.br-case-body { padding: 22px 24px 24px; display: flex; flex-direction: column; gap: 14px; }
.br-case-meta { margin: 0; font-size: .875rem; color: var(--br-ink-2); display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.br-case-c :is(h2, h3) { margin: 0; font-size: clamp(1.25rem, 1rem + .6vw, 1.625rem); letter-spacing: -.03em; line-height: 1.15; font-weight: 600; }
.br-case-c.is-big :is(h2, h3) { font-size: clamp(1.5rem, 1rem + 1.4vw, 2.5rem); }
.br-case-res { list-style: none; margin: 0; padding: 14px 0 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; border-top: 1px solid var(--br-line-light); }
.br-case-res b { display: block; font-family: var(--br-mono); font-size: 1.125rem; font-weight: 500; letter-spacing: -.03em; }
.br-case-res span { font-size: .8125rem; color: var(--br-ink-2); }
.br-case-foot { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-top: auto; }
.br-case-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.br-case-tags span { height: 28px; padding: 0 10px; border-radius: 999px; display: inline-flex; align-items: center; font-size: .8125rem; box-shadow: inset 0 0 0 1px var(--br-line-light); }
.br-case-go { width: 44px; height: 44px; border-radius: 50%; background: var(--br-black); color: var(--br-bone); display: grid; place-items: center; position: relative; overflow: hidden; flex: none; }
.br-case-go svg { position: absolute; width: 16px; height: 16px; transition: transform .45s var(--br-ease); }
.br-case-go svg:last-child { transform: translate(-170%, 170%); }
.br-case-c:hover .br-case-go svg:first-child, .br-case-c:focus-visible .br-case-go svg:first-child { transform: translate(170%, -170%); }
.br-case-c:hover .br-case-go svg:last-child, .br-case-c:focus-visible .br-case-go svg:last-child { transform: none; }
@media (max-width: 1000px) { .br-case-c, .br-case-c.is-big { grid-column: span 12; grid-row: auto; } .br-case-c.is-big .br-case-cover { aspect-ratio: 16 / 10; min-height: 0; flex: none; } }
@media (max-width: 560px) { .br-case-res { grid-template-columns: minmax(0, 1fr); } }

/* ================= D3 · Founder note ================= */
.br-fn-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(40px, 6vw, 120px); align-items: start; }
.br-fn-photo { position: sticky; top: 110px; }
.br-fn-frame { position: relative; aspect-ratio: 4 / 5; border-radius: 28px; overflow: hidden; background: var(--br-bone); }
.br-fn-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 30%; transition: transform 1.2s var(--br-ease); }
.br-fn-frame:hover .br-fn-img { transform: scale(1.03); }
.br-fn-ridge { position: absolute; left: 0; right: 0; bottom: -1px; width: 100%; height: 22%; display: block; }
.br-fn-ridge path { fill: var(--br-paper); }
.br-fn-ridge polyline { fill: none; stroke: var(--br-lime); stroke-width: 2; vector-effect: non-scaling-stroke; }
.br-fn-cap { display: flex; justify-content: space-between; align-items: center; margin-top: 16px; font-size: .9375rem; color: var(--br-ink-2); }
.br-fn-cap a { display: inline-flex; align-items: center; height: 40px; padding: 0 16px; border-radius: 999px; box-shadow: inset 0 0 0 1px var(--br-line-light); color: var(--br-black); font-weight: 500; text-decoration: none; }
.br-fn-cap a:hover { background: var(--br-black); color: var(--br-bone); }
.br-fn-letter { font-size: clamp(1.25rem, 1rem + .7vw, 1.625rem); line-height: 1.55; letter-spacing: -.015em; color: var(--br-black); max-width: 34ch; }
.br-fn-letter p { margin: 1em 0 0; }
.br-fn-letter p.is-soft { color: var(--br-ink-2); }
.br-fn-lead { margin: 28px 0 0; font-size: clamp(1.75rem, 1.1rem + 1.8vw, 2.75rem); line-height: 1.15; letter-spacing: -.035em; font-weight: 600; }
.br-fn-sign { display: flex; align-items: center; gap: 18px; margin-top: 40px; }
.br-fn-sig { width: 180px; height: 56px; }
.br-fn-sig path { fill: none; stroke: var(--br-black); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.br-fn-sign b { display: block; font-weight: 600; }
.br-fn-sign span { font-size: .9375rem; color: var(--br-ink-2); }
.br-fn-facts { list-style: none; margin: 48px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.br-fn-facts li { padding: 20px; border-radius: 18px; background: var(--br-bone); box-shadow: inset 0 0 0 1px var(--br-line-light); }
.br-fn-facts b { display: block; font-family: var(--br-mono); font-size: clamp(1.75rem, 1.2rem + 1.4vw, 2.5rem); letter-spacing: -.05em; font-weight: 500; line-height: 1; }
.br-fn-facts span { display: block; margin-top: 8px; font-size: .9375rem; color: var(--br-ink-2); }
@media (max-width: 1000px) { .br-fn-grid { grid-template-columns: minmax(0, 1fr); } .br-fn-photo { position: static; max-width: 440px; } }
@media (max-width: 560px) { .br-fn-facts { grid-template-columns: minmax(0, 1fr); } }

/* ================= D4 · Sample care report ================= */
.br-rep-grid { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: clamp(32px, 5vw, 96px); align-items: center; }
.br-rep-pick { margin-top: 32px; }
.br-rep-lab { display: block; font-size: .9375rem; color: var(--br-mist); margin-bottom: 12px; }
.br-rep-pick .br-seg { flex-wrap: wrap; }
.br-rep-list { list-style: none; margin: 32px 0 0; padding: 0; display: grid; gap: 12px; }
.br-rep-list li { display: flex; gap: 12px; align-items: baseline; color: var(--br-mist); }
.br-rep-list li::before { content: ""; width: 7px; height: 7px; flex: none; background: var(--br-lime); transform: rotate(45deg) translateY(-1px); }
.br-rep-list b { color: var(--br-bone); font-weight: 500; }
.br-rep-acts { margin-top: 36px; }
.br-rep-doc { --acc: #2F6BFF; position: relative; background: var(--br-paper); color: var(--br-black); border-radius: 22px; box-shadow: 0 30px 80px rgba(0, 0, 0, .45); overflow: hidden; transform: perspective(1600px) rotateY(-6deg) rotateX(3deg); transition: transform .8s var(--br-ease); }
.br-rep-doc:hover, .br-rep-doc:focus-within { transform: none; }
.br-rep-top { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 22px 26px; border-bottom: 1px solid var(--br-line-light); }
.br-rep-brand { display: flex; align-items: center; gap: 12px; font-weight: 600; font-size: 1.0625rem; letter-spacing: -.02em; }
.br-rep-logo { width: 36px; height: 36px; border-radius: 10px; background: var(--acc); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: .875rem; transition: background-color .5s var(--br-ease); }
.br-rep-meta { text-align: right; font-size: .8125rem; color: var(--br-ink-2); }
.br-rep-meta b { display: block; color: var(--br-black); font-size: .9375rem; }
.br-rep-tabs { display: flex; gap: 4px; padding: 12px 22px 0; border-bottom: 1px solid var(--br-line-light); overflow-x: auto; }
.br-rep-tabs button { height: 40px; padding: 0 14px; border: 0; background: none; font: inherit; font-size: .875rem; color: var(--br-ink-2); border-bottom: 2px solid transparent; white-space: nowrap; cursor: pointer; }
.br-rep-tabs button[aria-selected="true"] { color: var(--br-black); border-bottom-color: var(--acc); font-weight: 600; }
.br-rep-tabs button:focus-visible { outline-color: var(--br-black); outline-offset: -2px; }
.br-rep-pane { padding: 24px 26px 28px; }
.br-rep-pane:focus-visible { outline: 2px solid var(--br-black); outline-offset: -4px; }
.br-rep-pane[hidden] { display: none; }
.br-rep-kpis { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.br-rep-kpis div { background: var(--br-bone); border-radius: 14px; padding: 14px; }
.br-rep-kpis b { display: block; font-family: var(--br-mono); font-size: 1.5rem; font-weight: 500; letter-spacing: -.04em; }
.br-rep-kpis span { font-size: .8125rem; color: var(--br-ink-2); }
.br-rep-chart { margin-top: 16px; background: var(--br-bone); border-radius: 14px; padding: 16px; }
.br-rep-chart p { margin: 0; font-size: .8125rem; color: var(--br-ink-2); display: flex; justify-content: space-between; }
.br-rep-chart svg { width: 100%; height: 120px; display: block; margin-top: 8px; }
.br-rep-chart .ln { fill: none; stroke: var(--acc); stroke-width: 2.5; vector-effect: non-scaling-stroke; transition: stroke .5s; }
.br-rep-chart .ar { fill: var(--acc); opacity: .12; transition: fill .5s; }
.br-rep-chart .gl { stroke: var(--br-line-light); }
.br-rep-rows { list-style: none; margin: 0; padding: 0; }
.br-rep-rows li { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--br-line-light); font-size: .9375rem; }
.br-rep-rows li span:last-child { font-family: var(--br-mono); font-size: .8125rem; color: var(--br-ink-2); }
.br-rep-ok { display: inline-flex; align-items: center; gap: 8px; }
.br-rep-ok::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--acc); }
.br-rep-note { margin: 16px 0 0; font-size: .8125rem; color: var(--br-ink-2); padding: 12px 14px; border-radius: 12px; background: var(--br-bone); }
.br-rep-foot { display: flex; justify-content: space-between; padding: 14px 26px; font-size: .75rem; color: var(--br-ink-2); border-top: 1px solid var(--br-line-light); }
@media (max-width: 1000px) { .br-rep-grid { grid-template-columns: minmax(0, 1fr); } .br-rep-doc { transform: none; } }
@media (max-width: 560px) { .br-rep-kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (prefers-reduced-motion: reduce) { .br-rep-doc { transform: none; transition: none; } .br-case-cover svg, .br-fn-img { transition: none; } }

/* Founder note opening the About page */
.br-fn.br-is-top .br-fn-lead { font-size: clamp(2.4rem, 1rem + 3.2vw, 4.75rem); line-height: 1; letter-spacing: -.05em; }

@media (max-width: 560px) { .br-rep-tabs { padding: 10px 14px 0; gap: 0; } .br-rep-tabs button { padding: 0 11px; } }

/* Case-study covers v2 (visual plan, Phase 2b): a staged mini mockup of the kind of work, never the client. */
.br-case-cover { background: radial-gradient(100% 80% at 50% 0%, var(--br-graphite), var(--br-black) 70%); }
.br-case-cover::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(color-mix(in srgb, var(--br-bone) 5%, transparent) 1px, transparent 1px), linear-gradient(90deg, color-mix(in srgb, var(--br-bone) 5%, transparent) 1px, transparent 1px); background-size: 32px 32px; }
.br-case-art { position: absolute; inset: 0; transition: transform 1.1s var(--br-ease); }
.br-case-c:hover .br-case-art { transform: scale(1.04) translateY(-4px); }
.br-case-chip, .br-case-metric { z-index: 2; }
.br-case-mb { position: absolute; display: flex; flex-direction: column; border-radius: 10px; background: var(--br-paper); box-shadow: 0 20px 40px -12px color-mix(in srgb, var(--br-black) 70%, transparent); overflow: hidden; }
.br-case-tb { flex: none; height: 16px; border-bottom: 1px solid color-mix(in srgb, var(--br-black) 7%, var(--br-paper)); display: flex; gap: 4px; align-items: center; padding: 0 7px; }
.br-case-tb i { width: 5px; height: 5px; border-radius: 50%; background: color-mix(in srgb, var(--br-black) 15%, var(--br-paper)); }
.br-case-hd { display: block; height: 12px; border-radius: 3px; background: var(--br-black); margin: 12px 10px 0; }
.br-case-ln { display: block; height: 6px; border-radius: 3px; background: color-mix(in srgb, var(--br-black) 9%, var(--br-paper)); margin: 6px 10px 0; }
.br-case-im { position: relative; display: block; flex: 1; border-radius: 7px; margin: 10px; background: radial-gradient(90% 70% at 60% 30%, var(--br-steel), var(--br-carbon) 70%); overflow: hidden; }
.br-case-im svg { position: absolute; left: 0; right: 0; bottom: 0; width: 100%; height: 55%; }
.br-case-am { fill: var(--br-black); }
.br-case-ar { fill: none; stroke: var(--br-lime); stroke-width: 1.4; vector-effect: non-scaling-stroke; }
.br-case-mp { position: absolute; border-radius: 16px; background: var(--br-black); padding: 4px; box-shadow: 0 20px 40px -12px color-mix(in srgb, var(--br-black) 80%, transparent), 0 0 0 1px color-mix(in srgb, var(--br-bone) 8%, transparent); }
.br-case-mp > span { display: grid; align-content: start; gap: 5px; width: 100%; height: 100%; border-radius: 12px; background: var(--br-paper); padding: 12px 7px; box-sizing: border-box; }
.br-case-mp i { display: block; height: 4px; border-radius: 2px; background: color-mix(in srgb, var(--br-black) 9%, var(--br-paper)); }
.br-case-mp i.br-case-h { height: 9px; width: 70%; background: var(--br-black); }
.br-case-mp i.br-case-v { height: 40%; min-height: 30px; border-radius: 5px; background: radial-gradient(90% 70% at 60% 30%, var(--br-steel), var(--br-carbon) 70%); }
.br-case-kp { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin: 10px; }
.br-case-kp i { position: relative; height: 30px; border-radius: 6px; border: 1px solid color-mix(in srgb, var(--br-black) 7%, var(--br-paper)); background: color-mix(in srgb, var(--br-black) 2%, var(--br-paper)); }
.br-case-kp i::after { content: ""; position: absolute; left: 6px; top: 8px; width: 40%; height: 7px; border-radius: 2px; background: var(--br-black); }
.br-case-bb { display: flex; gap: 2px; align-items: flex-end; height: 26px; margin: 4px 10px 10px; }
.br-case-bb i { flex: 1; border-radius: 1px; background: var(--br-black); }
.br-case-ch { display: block; width: calc(100% - 20px); height: auto; margin: 8px 10px 10px; }
.br-case-cg { stroke: color-mix(in srgb, var(--br-black) 7%, var(--br-paper)); }
.br-case-ca { fill: color-mix(in srgb, var(--br-lime) 14%, transparent); }
.br-case-cl { fill: none; stroke: var(--br-black); stroke-width: 2; }
.br-case-cd { fill: var(--br-lime); stroke: var(--br-black); stroke-width: 1.5; }
@media (prefers-reduced-motion: reduce) { .br-case-art { transition: none; } .br-case-c:hover .br-case-art { transform: none; } }
/* 360px and under: the four report tabs share the row instead of scrolling. */
@media (max-width: 360px) { .br-rep-tabs { padding: 10px 8px 0; } .br-rep-tabs button { flex: 1 1 0; min-width: 0; padding: 0 4px; font-size: .8125rem; } }