/* ============================================================
   CASE BACKU — CSS original do site backu.vip, só que ESCOPADO
   dentro de ".bu-case". O header, o menu e o rodapé desta página
   são os da Criarte (style.css); por isso todo seletor de chrome
   do site original (.site-header, .brand, .desktop-nav, .menu-button,
   .mobile-menu, .site-footer, html, body) foi removido daqui — quem
   cuida disso agora é a Fable. O resto é o CSS de conteúdo do BackU,
   praticamente linha a linha, só recuado para não vazar por cima do
   resto do site.
   ============================================================ */

.bu-case {
  --navy: #0a0a18;
  --navy-deep: #060434;
  --surface: #14132a;
  --surface-alt: #1b1a38;
  --border: #2c2a54;
  --violet: #7c5cfc;
  --violet-dim: #564296;
  --coral: #ff6b5b;
  --green: #34d399;
  --text: #f3f1ff;
  --muted: #aaa6c8;
  --muted-strong: #c7c3df;
  --shell: 80rem;
  --gutter: clamp(1rem, 4vw, 3rem);
  --radius: 1.75rem;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);

  position: relative;
  overflow: clip;
  background:
    radial-gradient(circle at 82% 8%, rgba(124, 92, 252, 0.1), transparent 28rem),
    var(--navy);
  color: var(--text);
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

.bu-case,
.bu-case *,
.bu-case *::before,
.bu-case *::after {
  box-sizing: border-box;
}

.bu-case img {
  display: block;
  max-width: 100%;
  height: auto;
}

.bu-case a {
  color: inherit;
  text-decoration: none;
}

.bu-case button,
.bu-case a {
  -webkit-tap-highlight-color: transparent;
}

.bu-case button {
  color: inherit;
  font: inherit;
}

.bu-case h1,
.bu-case h2,
.bu-case h3,
.bu-case p,
.bu-case figure,
.bu-case ul {
  margin: 0;
}

.bu-case ul {
  padding: 0;
  list-style: none;
}

.bu-case h1,
.bu-case h2,
.bu-case h3 {
  text-wrap: balance;
}

.bu-case h1,
.bu-case h2 {
  letter-spacing: -0.055em;
  line-height: 0.94;
}

.bu-case h2 {
  font-size: clamp(2.75rem, 6.2vw, 6.5rem);
  font-weight: 760;
}

.bu-case h3 {
  font-size: clamp(1.35rem, 2.5vw, 2.25rem);
  letter-spacing: -0.035em;
  line-height: 1.04;
}

.bu-case ::selection {
  background: var(--coral);
  color: var(--navy-deep);
}

.bu-case :focus-visible {
  outline: 3px solid var(--coral);
  outline-offset: 4px;
}

.bu-case .shell {
  width: min(calc(100% - (2 * var(--gutter))), var(--shell));
  margin-inline: auto;
}

.bu-case .eyebrow,
.bu-case .feature-index {
  color: var(--violet);
  font-size: 0.72rem;
  font-weight: 760;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

/* ---------- hero ---------- */

.bu-case .hero {
  position: relative;
  min-height: 100svh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: calc(var(--nav-h) + clamp(2rem, 5vw, 4.5rem)) 0 clamp(2.5rem, 6vw, 5rem);
  isolation: isolate;
}

.bu-case .hero::before {
  content: "";
  position: absolute;
  z-index: -2;
  width: min(60vw, 56rem);
  aspect-ratio: 1;
  top: 10%;
  right: -14%;
  border: 1px solid rgba(124, 92, 252, 0.22);
  border-radius: 50%;
  box-shadow: inset 0 0 0 5rem rgba(124, 92, 252, 0.025);
}

.bu-case .hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  width: 34rem;
  height: 20rem;
  top: 14%;
  right: 12%;
  border-radius: 50%;
  background: rgba(124, 92, 252, 0.11);
  filter: blur(90px);
  pointer-events: none;
}

.bu-case .hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(20rem, 0.92fr);
  gap: clamp(2rem, 7vw, 7rem);
  align-items: center;
}

.bu-case .hero-copy {
  min-width: 0;
}

.bu-case .hero h1 {
  max-width: 9ch;
  margin-top: 1.25rem;
  font-size: clamp(3.75rem, 8vw, 7.8rem);
  font-weight: 790;
}

.bu-case .hero h1 span {
  color: var(--coral);
}

.bu-case .hero-lead {
  max-width: 37rem;
  margin-top: clamp(1.4rem, 3vw, 2.2rem);
  color: var(--muted-strong);
  font-size: clamp(1.05rem, 1.7vw, 1.35rem);
  line-height: 1.55;
}

.bu-case .hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.2rem 1.5rem;
  margin-top: clamp(1.6rem, 3.4vw, 2.6rem);
}

.bu-case .button {
  min-height: 3.45rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 1.4rem;
  padding: 0.8rem 1.15rem 0.8rem 1.3rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 760;
  white-space: nowrap;
  transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.2s var(--ease);
}

.bu-case .button-primary {
  background: var(--coral);
  color: var(--navy-deep);
}

.bu-case .button-primary:hover,
.bu-case .button-primary:focus-visible {
  background: #ff8b7e;
}

.bu-case .button:active {
  transform: translateY(1px) scale(0.985);
}

.bu-case .button span {
  font-size: 1.15rem;
  line-height: 1;
}

.bu-case .text-link {
  position: relative;
  color: var(--muted-strong);
  font-size: 0.85rem;
  font-weight: 700;
}

.bu-case .text-link::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -0.35rem;
  left: 0;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.25s var(--ease);
}

.bu-case .text-link:hover::after,
.bu-case .text-link:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.bu-case .hero-media {
  position: relative;
  min-width: 0;
  display: grid;
  place-items: center;
}

.bu-case .hero-media::before {
  content: "";
  position: absolute;
  width: 78%;
  aspect-ratio: 1;
  border: 1px solid rgba(124, 92, 252, 0.28);
  border-radius: 50%;
  transform: translate(9%, 3%);
}

.bu-case .phone-frame {
  position: relative;
  width: min(clamp(18rem, 26vw, 22rem), calc((100dvh - var(--nav-h) - 8rem) * 0.4473));
  aspect-ratio: 645 / 1442;
  filter: drop-shadow(0 2.5rem 3.5rem rgba(6, 4, 52, 0.58));
}

.bu-case .phone-frame img {
  width: 100%;
  height: auto;
}

/* ---------- prova social ---------- */

.bu-case .proof-strip {
  border-block: 1px solid rgba(243, 241, 255, 0.1);
  background: rgba(20, 19, 42, 0.5);
}

.bu-case .proof-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.bu-case .proof-grid p {
  min-height: 7.5rem;
  display: grid;
  align-content: center;
  gap: 0.25rem;
  padding: 1.25rem clamp(1rem, 3vw, 2.5rem);
  border-right: 1px solid rgba(243, 241, 255, 0.1);
}

.bu-case .proof-grid p:first-child {
  padding-left: 0;
}

.bu-case .proof-grid p:last-child {
  border-right: 0;
}

.bu-case .proof-grid strong {
  font-size: 1rem;
}

.bu-case .proof-grid span {
  color: var(--muted);
  font-size: 0.84rem;
}

/* ---------- seções de conteúdo ---------- */

.bu-case .section {
  padding: clamp(6rem, 11vw, 10rem) 0;
}

.bu-case .problem {
  overflow: hidden;
}

.bu-case .problem-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(18rem, 0.65fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: center;
}

.bu-case .section-copy h2 {
  max-width: 13ch;
}

.bu-case .section-copy > p,
.bu-case .how-intro > p:last-child,
.bu-case .protection-heading > p,
.bu-case .showcase-copy > p,
.bu-case .restore-copy > p,
.bu-case .faq-heading > p {
  max-width: 45rem;
  margin-top: 2rem;
  color: var(--muted);
  font-size: clamp(1.02rem, 1.6vw, 1.28rem);
}

.bu-case .brand-visual {
  position: relative;
  display: grid;
  justify-items: center;
  gap: 1.4rem;
}

.bu-case .brand-visual::before {
  content: "";
  position: absolute;
  inset: 10% -12% 18%;
  z-index: -1;
  border: 1px solid var(--border);
  border-radius: 50%;
}

.bu-case .brand-visual img {
  width: min(100%, 23rem);
  border-radius: var(--radius);
  transform: rotate(-3deg);
}

.bu-case .brand-visual figcaption {
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 650;
}

.bu-case .how {
  border-block: 1px solid rgba(243, 241, 255, 0.09);
  background: #0d0c20;
}

.bu-case .how-grid {
  display: grid;
  grid-template-columns: minmax(18rem, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(3rem, 9vw, 9rem);
  align-items: start;
}

.bu-case .how-intro {
  position: sticky;
  top: calc(var(--nav-h) + 2.5rem);
}

.bu-case .how-intro h2 {
  max-width: 9ch;
  margin-top: 1.2rem;
  font-size: clamp(2.8rem, 5.2vw, 5.6rem);
}

.bu-case .how-steps {
  border-top: 1px solid var(--border);
}

.bu-case .step {
  min-height: 16rem;
  display: grid;
  grid-template-columns: minmax(7rem, 0.4fr) minmax(0, 1fr);
  gap: 2rem;
  align-items: start;
  padding: clamp(2rem, 5vw, 3.8rem) 0;
  border-bottom: 1px solid var(--border);
}

.bu-case .step-word {
  color: var(--violet);
  font-size: 0.78rem;
  font-weight: 780;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.bu-case .step h3 {
  max-width: 18ch;
}

.bu-case .step p {
  max-width: 34rem;
  margin-top: 1.2rem;
  color: var(--muted);
}

.bu-case .protection-heading {
  display: grid;
  gap: 0;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

.bu-case .protection-heading h2 {
  max-width: 11ch;
}

.bu-case .protection-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(18rem, 0.85fr);
  grid-template-areas:
    "exact hash"
    "exact never"
    "dedupe dedupe";
  gap: 1rem;
}

.bu-case .feature {
  min-width: 0;
  min-height: 19rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 2rem;
  padding: clamp(1.5rem, 4vw, 3rem);
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.bu-case .feature h3 {
  max-width: 16ch;
  margin-top: auto;
}

.bu-case .feature p {
  max-width: 34rem;
  color: var(--muted);
}

.bu-case .feature-exact {
  grid-area: exact;
  min-height: 39rem;
  background:
    radial-gradient(circle at 70% 25%, rgba(124, 92, 252, 0.16), transparent 16rem),
    var(--surface-alt);
}

.bu-case .feature-exact h3 {
  margin-top: auto;
  font-size: clamp(2.8rem, 5vw, 5.5rem);
  line-height: 0.92;
}

.bu-case .feature-hash {
  grid-area: hash;
}

.bu-case .feature-never {
  grid-area: never;
  border-color: rgba(255, 107, 91, 0.44);
  background: rgba(255, 107, 91, 0.11);
}

.bu-case .feature-never .feature-index {
  color: var(--coral);
}

.bu-case .feature-dedupe {
  grid-area: dedupe;
  min-height: 17rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.7fr);
  align-items: end;
  background: #101025;
}

.bu-case .feature-dedupe h3 {
  max-width: 24ch;
  margin-top: 1.5rem;
}

.bu-case .file-sample {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  padding: 1rem 0;
  border-block: 1px solid var(--border);
  color: var(--muted-strong);
  font-family: ui-monospace, "Cascadia Code", "SFMono-Regular", monospace;
  font-size: 0.75rem;
}

.bu-case .file-sample span:last-child {
  color: var(--green);
}

.bu-case .app-showcase {
  border-top: 1px solid rgba(243, 241, 255, 0.09);
  background: #0d0c20;
}

.bu-case .showcase-copy {
  display: grid;
  justify-items: center;
  margin-bottom: clamp(3rem, 6vw, 5rem);
  text-align: center;
}

.bu-case .showcase-copy h2 {
  max-width: 12ch;
}

.bu-case .showcase-copy > p {
  max-width: 39rem;
}

.bu-case .ui-frame {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--navy-deep);
  box-shadow: 0 2.5rem 7rem rgba(6, 4, 52, 0.32);
}

.bu-case .ui-frame img {
  width: 100%;
  height: auto;
}

.bu-case .restore {
  overflow: hidden;
}

.bu-case .restore-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.82fr);
  gap: clamp(3rem, 9vw, 9rem);
  align-items: center;
}

.bu-case .restore-copy h2 {
  max-width: 10ch;
}

.bu-case .restore-copy ul {
  display: grid;
  margin-top: 2.5rem;
  border-top: 1px solid var(--border);
}

.bu-case .restore-copy li {
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--border);
  color: var(--muted-strong);
  font-weight: 620;
}

.bu-case .restore-mark {
  position: relative;
  min-height: 33rem;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 50% 35%, rgba(124, 92, 252, 0.2), transparent 16rem),
    var(--surface);
}

.bu-case .restore-mark img {
  width: min(65%, 20rem);
  border-radius: calc(var(--radius) - 0.3rem);
}

.bu-case .restore-mark span {
  color: var(--muted-strong);
  font-size: 0.9rem;
  font-weight: 650;
}

.bu-case .faq {
  border-top: 1px solid rgba(243, 241, 255, 0.09);
  background: #0d0c20;
}

.bu-case .faq-grid {
  display: grid;
  grid-template-columns: minmax(16rem, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(3rem, 9vw, 9rem);
  align-items: start;
}

.bu-case .faq-heading h2 {
  max-width: 9ch;
  font-size: clamp(2.8rem, 5.4vw, 5.8rem);
}

.bu-case .faq-list {
  border-top: 1px solid var(--border);
}

.bu-case .faq-list details {
  border-bottom: 1px solid var(--border);
}

.bu-case .faq-list summary {
  min-height: 6rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1.5rem;
  align-items: center;
  padding: 1.2rem 0;
  cursor: pointer;
  font-size: clamp(1.05rem, 1.8vw, 1.35rem);
  font-weight: 690;
  list-style: none;
}

.bu-case .faq-list summary::-webkit-details-marker {
  display: none;
}

.bu-case .faq-list summary::after {
  content: "+";
  color: var(--violet);
  font-size: 1.6rem;
  font-weight: 350;
  transition: transform 0.2s var(--ease);
}

.bu-case .faq-list details[open] summary::after {
  transform: rotate(45deg);
}

.bu-case .faq-list details p {
  max-width: 42rem;
  padding: 0 3.5rem 1.8rem 0;
  color: var(--muted);
}

/* ---------- CTA final (fica dentro do palco de sobreposição) ---------- */

.bu-case .final-cta {
  padding: clamp(5rem, 9vw, 8rem) 0;
  border-top: 1px solid rgba(243, 241, 255, 0.09);
}

.bu-case .final-grid {
  display: grid;
  grid-template-columns: minmax(12rem, 0.38fr) minmax(0, 1fr);
  gap: clamp(2rem, 7vw, 6rem);
  align-items: center;
  padding: clamp(1.5rem, 4vw, 3.5rem);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 10% 20%, rgba(124, 92, 252, 0.16), transparent 22rem),
    var(--surface);
}

.bu-case .final-grid > img {
  width: min(100%, 19rem);
  border-radius: calc(var(--radius) - 0.25rem);
}

.bu-case .final-grid h2 {
  max-width: 12ch;
  font-size: clamp(2.6rem, 5.5vw, 5.7rem);
}

.bu-case .final-grid p {
  max-width: 33rem;
  margin-top: 1.5rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.bu-case .final-grid .button {
  margin-top: 2rem;
}

/* ---------- entradas reveladas pela rolagem ---------- */

.bu-js .bu-case .bu-reveal {
  opacity: 0;
  transform: translateY(1.5rem);
  transition: opacity 0.7s ease, transform 0.7s var(--ease);
}

.bu-js .bu-case .bu-reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- responsivo ---------- */

@media (max-width: 64rem) {
  .bu-case .hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(17rem, 0.72fr);
    gap: 2.5rem;
  }

  .bu-case .problem-grid,
  .bu-case .how-grid,
  .bu-case .restore-grid,
  .bu-case .faq-grid {
    gap: 4rem;
  }
}

@media (max-width: 48rem) {
  .bu-case {
    --radius: 1.35rem;
  }

  .bu-case .hero {
    min-height: 100svh;
    min-height: 100dvh;
    align-items: stretch;
    padding: calc(var(--nav-h) + clamp(1.25rem, 3svh, 2rem)) 0 clamp(1rem, 2.5svh, 1.5rem);
  }

  .bu-case .hero-grid {
    min-height: calc(100svh - var(--nav-h) - clamp(2.25rem, 5.5svh, 3.5rem));
    min-height: calc(100dvh - var(--nav-h) - clamp(2.25rem, 5.5dvh, 3.5rem));
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto minmax(11rem, 1fr);
    gap: clamp(1rem, 3svh, 2rem);
    align-content: space-between;
  }

  .bu-case .hero-copy {
    position: relative;
    z-index: 2;
  }

  .bu-case .hero h1 {
    max-width: 8.7ch;
    margin-top: 0.75rem;
    font-size: clamp(3rem, 14vw, 4.8rem);
  }

  .bu-case .hero-lead {
    max-width: 32rem;
    margin-top: 1rem;
    font-size: clamp(0.95rem, 4vw, 1.1rem);
    line-height: 1.45;
  }

  .bu-case .hero-actions {
    gap: 0.8rem 1rem;
    margin-top: 1.15rem;
  }

  .bu-case .button {
    min-height: 3rem;
    padding: 0.7rem 1rem;
    font-size: 0.8rem;
  }

  .bu-case .text-link {
    font-size: 0.78rem;
  }

  .bu-case .hero-media {
    align-self: end;
  }

  .bu-case .hero-media::before {
    width: 15rem;
  }

  .bu-case .phone-frame {
    width: clamp(7.5rem, 42vw, 13rem);
  }

  .bu-case .proof-grid {
    grid-template-columns: 1fr;
  }

  .bu-case .proof-grid p,
  .bu-case .proof-grid p:first-child {
    min-height: 5.8rem;
    padding: 1.15rem 0;
    border-right: 0;
    border-bottom: 1px solid rgba(243, 241, 255, 0.1);
  }

  .bu-case .proof-grid p:last-child {
    border-bottom: 0;
  }

  .bu-case .section {
    padding: clamp(5rem, 18vw, 7rem) 0;
  }

  .bu-case .problem-grid,
  .bu-case .how-grid,
  .bu-case .restore-grid,
  .bu-case .faq-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 3rem;
  }

  .bu-case .section-copy h2,
  .bu-case .protection-heading h2,
  .bu-case .showcase-copy h2,
  .bu-case .restore-copy h2,
  .bu-case .faq-heading h2 {
    max-width: 100%;
  }

  .bu-case h2,
  .bu-case .how-intro h2,
  .bu-case .faq-heading h2 {
    font-size: clamp(2.6rem, 12.6vw, 4rem);
  }

  .bu-case .brand-visual img {
    width: min(74vw, 20rem);
  }

  .bu-case .how-intro {
    position: static;
  }

  .bu-case .how-intro h2 {
    max-width: 10ch;
  }

  .bu-case .step {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 2rem 0;
  }

  .bu-case .step h3 {
    max-width: 21ch;
  }

  .bu-case .protection-grid {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
      "exact"
      "hash"
      "never"
      "dedupe";
  }

  .bu-case .feature,
  .bu-case .feature-exact,
  .bu-case .feature-dedupe {
    min-height: 20rem;
  }

  .bu-case .feature-exact h3 {
    font-size: clamp(2.75rem, 13vw, 4rem);
  }

  .bu-case .feature-dedupe {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .bu-case .file-sample {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }

  .bu-case .showcase-copy {
    justify-items: start;
    text-align: left;
  }

  .bu-case .ui-frame {
    overflow-x: auto;
    border-radius: var(--radius);
    scroll-snap-type: x mandatory;
  }

  .bu-case .ui-frame img {
    width: 64rem;
    max-width: none;
    scroll-snap-align: start;
  }

  .bu-case .restore-mark {
    min-height: 26rem;
  }

  .bu-case .faq-list summary {
    min-height: 5rem;
    gap: 1rem;
  }

  .bu-case .final-grid {
    grid-template-columns: 1fr;
  }

  .bu-case .final-grid > img {
    width: min(48vw, 11rem);
  }

  .bu-case .final-grid h2 {
    max-width: 100%;
    font-size: clamp(2.45rem, 11.5vw, 3.8rem);
  }
}

@media (max-width: 30rem) {
  .bu-case .hero h1 {
    font-size: clamp(2.65rem, 13vw, 3.8rem);
  }

  .bu-case .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
    justify-items: start;
  }

  .bu-case .hero-actions .button {
    width: 100%;
  }

  .bu-case .feature {
    padding: 1.35rem;
  }
}

@media (max-width: 48rem) and (max-height: 42rem) {
  .bu-case .hero {
    padding-top: calc(var(--nav-h) + 0.75rem);
    padding-bottom: 0.65rem;
  }

  .bu-case .hero-grid {
    min-height: calc(100dvh - var(--nav-h) - 1.4rem);
    grid-template-rows: auto minmax(8rem, 1fr);
    gap: 0.65rem;
  }

  .bu-case .eyebrow {
    font-size: 0.58rem;
  }

  .bu-case .hero h1 {
    margin-top: 0.4rem;
    font-size: clamp(2.35rem, 11.8vw, 3.1rem);
  }

  .bu-case .hero-lead {
    margin-top: 0.6rem;
    font-size: clamp(0.78rem, 3.6vw, 0.9rem);
    line-height: 1.35;
  }

  .bu-case .hero-actions {
    grid-template-columns: auto auto;
    align-items: center;
    gap: 0.75rem;
    margin-top: 0.7rem;
  }

  .bu-case .hero-actions .button {
    width: auto;
    min-height: 2.45rem;
    padding: 0.55rem 0.75rem;
    font-size: 0.68rem;
  }

  .bu-case .text-link {
    font-size: 0.66rem;
  }

  .bu-case .phone-frame {
    width: clamp(5.8rem, 27vw, 7.2rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .bu-case *,
  .bu-case *::before,
  .bu-case *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .bu-js .bu-case .bu-reveal {
    opacity: 1;
    transform: none;
  }

  .bu-case .phone-frame,
  .bu-case .brand-visual img {
    transform: none;
  }
}