/* ════════════════════════════════════════════════════════════════
   FEATURE DETAIL VIEW
════════════════════════════════════════════════════════════════ */
.feature-detail-view {
  min-height: 100vh;
  padding: var(--space-18) var(--space-10) var(--space-18);
  max-width: 780px;
  margin: 0 auto;
}

.feature-back-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-sans);
  font-size: var(--body-xs);
  font-weight: 500;
  color: var(--text-muted);
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px 0;
  margin-bottom: var(--space-10);
  transition: color 0.2s ease;
}
.feature-back-btn:hover { color: var(--text-primary); }
.feature-back-btn:focus-visible {
  outline: 2px solid var(--brand-gold);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.feature-hero-img {
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  margin-bottom: var(--space-11);
  box-shadow: var(--shadow-feature-img);
}
html[data-theme="light"] .feature-hero-img {
  box-shadow: var(--shadow-feature-img);
}

.feature-subtitle {
  font-size: var(--body-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand-gold);
  margin-bottom: var(--space-5);
}

.feature-title {
  font-size: clamp(30px, 4.5vw, 48px);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.1;
  color: var(--text-primary);
  margin-bottom: var(--space-14);
}

.feature-section {
  margin-bottom: var(--space-12);
}

.feature-section-heading {
  font-size: var(--heading-xs);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: var(--space-5);
}

.feature-section-body {
  font-size: var(--body-md);
  color: var(--text-secondary);
  line-height: 1.78;
  letter-spacing: -0.01em;
}

@media (max-width: 640px) {
  .feature-detail-view { padding: 75px 16px 60px; }
  .feature-title { margin-bottom: var(--space-11); }
}