#case {
  background: var(--navy);
}

/* ── Card ─────────────────────────────────────────────────────────────────── */
.case-card {
  background: linear-gradient(135deg, #1a1f4e 0%, #1a2545 40%, #0d1a3a 100%);
  border: 1px solid rgba(108, 99, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: 56px 56px 48px;
  position: relative;
  overflow: hidden;
}

/* top accent line */
.case-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--indigo), var(--indigo-light), transparent);
}

/* corner glow */
.case-card::after {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 300px; height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(108, 99, 255, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

/* ── Tags ─────────────────────────────────────────────────────────────────── */
.case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
}

.tag {
  background: rgba(108, 99, 255, 0.15);
  color: var(--indigo-light);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 100px;
  border: 1px solid var(--border-indigo);
}

/* ── App header (icon + name) ─────────────────────────────────────────────── */
.case-app-header {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 40px;
}

.case-app-icon {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  border-radius: 18px;
  background: #111;
  border: 1px solid rgba(108, 99, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  box-shadow: 0 0 20px rgba(108, 99, 255, 0.15);
}

.case-app-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.case-name {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0;
}

/* ── Content grid ─────────────────────────────────────────────────────────── */
.case-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  position: relative;
  z-index: 1;
}

.case-block-title {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--indigo);
  margin-bottom: 16px;
}

.case-challenge p,
.case-did ul {
  color: var(--gray);
  font-size: 0.95rem;
  line-height: 1.7;
}

.case-did ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.case-did ul li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.case-did ul li::before {
  content: '';
  display: block;
  flex-shrink: 0;
  width: 18px; height: 18px;
  margin-top: 1px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18'%3E%3Ccircle cx='9' cy='9' r='9' fill='%236C63FF' fill-opacity='.2'/%3E%3Cpath d='M5 9l3 3 5-5' stroke='%236C63FF' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round' fill='none'/%3E%3C/svg%3E") no-repeat center;
}

/* ── Result bar ───────────────────────────────────────────────────────────── */
.case-result {
  grid-column: 1 / -1;
  margin-top: 16px;
  background: rgba(108, 99, 255, 0.1);
  border: 1px solid rgba(108, 99, 255, 0.2);
  border-radius: 12px;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.result-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
}

.case-result p {
  color: var(--white);
  font-size: 0.95rem;
  font-weight: 500;
}

/* ── Case layout (text + mockup) ──────────────────────────────────────────── */
.case-layout {
  display: flex;
  gap: 56px;
  align-items: flex-start;
}

.case-content {
  flex: 1;
  min-width: 0;
}

/* ── Phone mockup ─────────────────────────────────────────────────────────── */
.case-mockup {
  flex-shrink: 0;
  display: flex;
  justify-content: center;
  padding-top: 8px;
}

.mockup-img-wrap {
  position: relative;
  display: inline-block;
  animation: floatPhone 5s ease-in-out infinite;
}

@media (prefers-reduced-motion: reduce) {
  .mockup-img-wrap { animation: none; }
}

.mockup-img-wrap::after {
  content: '';
  position: absolute;
  bottom: -24px;
  left: 50%;
  transform: translateX(-50%);
  width: 70%;
  height: 40px;
  background: radial-gradient(ellipse at center, rgba(108, 99, 255, 0.55) 0%, transparent 70%);
  filter: blur(8px);
  pointer-events: none;
}

.mockup-img {
  display: block;
  max-width: 260px;
  width: 100%;
  height: auto;
}


/* ── Result link ──────────────────────────────────────────────────────────── */
.result-link {
  color: var(--indigo-light);
  text-decoration: none;
  font-weight: 600;
  transition: opacity 0.2s;
}

.result-link:hover { opacity: 0.75; }

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .case-layout { flex-direction: column-reverse; align-items: center; gap: 40px; }
  .case-mockup { width: 100%; }
}

@media (max-width: 640px) {
  .case-card { padding: 32px 24px; }
  .case-grid  { grid-template-columns: 1fr; gap: 32px; }
  .case-app-header { gap: 14px; }
  .case-app-icon { width: 52px; height: 52px; border-radius: 14px; }
}