/* ── CASE STUDY ── shared styles for /cases/* pages ── */

.case-hero {
  padding: 120px 0 64px;
  position: relative;
  overflow: hidden;
}
.case-hero::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: var(--accent-glow);
  filter: blur(100px);
  top: -200px; right: -150px;
  pointer-events: none;
}
.case-back {
  display: inline-block;
  color: var(--muted);
  font-size: .88rem;
  font-weight: 500;
  text-decoration: none;
  margin-bottom: 32px;
  transition: color .2s;
}
.case-back:hover { color: var(--accent); }

.case-title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -.02em;
  margin-bottom: 18px;
  max-width: 820px;
}
.case-subtitle {
  font-size: 1.1rem;
  color: var(--muted);
  line-height: 1.7;
  max-width: 720px;
  margin-bottom: 36px;
}
.case-subtitle strong { color: var(--ink); }

.case-meta-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  padding: 20px 24px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 48px;
}
.case-meta-bar > div { display: flex; flex-direction: column; gap: 4px; font-size: .9rem; }
.case-meta-bar strong { color: var(--ink); font-weight: 600; }
.case-meta-bar a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}
.case-meta-bar a:hover { opacity: .8; }
.case-meta-label {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
}

.case-hero-video {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 12px 48px rgba(0,0,0,.4);
  background: var(--bg2);
  position: relative;
}
.case-hero-video video {
  width: 100%;
  height: auto;
  max-height: 480px;
  object-fit: cover;
  display: block;
}

/* Blocks (Desafio / Abordagem / Stack / Resultado) */
.case-block { padding: 72px 0; }
.case-block.alt { background: var(--bg2); }
.case-block-grid {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 56px;
  align-items: start;
}
@media(max-width:780px) {
  .case-block-grid { grid-template-columns: 1fr; gap: 24px; }
}
.case-block-label {
  position: sticky;
  top: 80px;
}
.case-block-label h2 {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--ink);
  margin-top: 4px;
}
.case-step {
  display: inline-block;
  font-family: 'Fira Code', monospace;
  font-size: .82rem;
  font-weight: 600;
  color: var(--accent2);
  background: rgba(94,234,212,.08);
  border: 1px solid rgba(94,234,212,.25);
  padding: 4px 12px;
  border-radius: 99px;
  letter-spacing: .06em;
}

.case-block-text p {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 16px;
}
.case-block-text p strong { color: var(--ink); }
.case-block-text p em { color: var(--accent2); font-style: normal; }
.case-block-text code {
  font-family: 'Fira Code', monospace;
  font-size: .85em;
  padding: 2px 6px;
  background: var(--bg3);
  border-radius: 4px;
  color: var(--accent2);
}

.case-bullets {
  list-style: none;
  margin: 16px 0 0;
}
.case-bullets li {
  position: relative;
  padding: 10px 0 10px 28px;
  color: var(--muted);
  font-size: .96rem;
  line-height: 1.7;
}
.case-bullets li::before {
  content: '›';
  position: absolute;
  left: 0;
  top: 8px;
  color: var(--accent);
  font-size: 1.2rem;
  font-weight: 700;
}
.case-bullets li strong { color: var(--ink); }

.case-stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}
.case-stack-item {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.case-stack-item h4 {
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}
.case-stack-item p {
  color: var(--muted);
  font-size: .9rem;
  line-height: 1.65;
  margin: 0;
}

.case-result-disclaimer {
  display: inline-block;
  padding: 8px 14px;
  margin-bottom: 28px !important;
  background: rgba(94,234,212,.06);
  border: 1px solid rgba(94,234,212,.2);
  border-radius: 8px;
  color: var(--accent2) !important;
  font-size: .82rem !important;
  font-weight: 600;
}
.case-result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}
.case-result-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
  text-align: center;
}
.case-result-num {
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 6px;
}
.case-result-label {
  font-size: .82rem;
  color: var(--muted);
  line-height: 1.4;
}

.case-pagespeed-proof {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.case-pagespeed-proof img {
  width: 100%;
  max-width: 560px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  display: block;
}
.case-pagespeed-proof figcaption {
  margin-top: 10px;
  font-size: .8rem;
  color: var(--muted);
  line-height: 1.5;
}
.case-pagespeed-proof a {
  color: var(--accent2);
}

.case-testimonial {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.case-testimonial .testimonial-card {
  margin: 0 auto;
  text-align: left;
}

/* CTA final */
.case-cta {
  padding: 96px 0;
  background: linear-gradient(135deg, #0a0a0f 0%, #161028 50%, #0a1a1f 100%);
  position: relative;
  overflow: hidden;
}
.case-cta::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 800px; height: 400px;
  background: radial-gradient(ellipse, rgba(124,106,247,.12), transparent 65%);
  pointer-events: none;
}
.case-cta-inner {
  position: relative;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}
.case-cta-inner h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
}
.case-cta-inner p {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 32px;
}
.case-cta-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

@media(max-width:560px) {
  .case-block { padding: 56px 0; }
  .case-block-label { position: static; }
  .case-meta-bar { padding: 16px 18px; }
}