#app-engineered-replacements {
  --app-er-bg: #f9fbfc;
  --app-er-surface: #ffffff;
  --app-er-ink: #1a1d23;
  --app-er-muted: #343a40;
  --app-er-primary: #0056b3;
  --app-er-primary-dark: #003d82;
  --app-er-primary-light: #0070e0;
  --app-er-accent: #f7941d;
  --app-er-border: #dee2e6;
  --app-er-radius-sm: 6px;
  --app-er-radius-md: 10px;
  --app-er-radius-lg: 16px;
  box-sizing: border-box;
  padding: 72px 20px 64px;
  color: var(--app-er-ink);
  background: linear-gradient(180deg, #ffffff 0%, var(--app-er-bg) 100%);
}

#app-engineered-replacements,
#app-engineered-replacements *,
#app-engineered-replacements *::before,
#app-engineered-replacements *::after {
  box-sizing: border-box;
}

#app-engineered-replacements .app-er-wrap {
  width: 100%;
  max-width: 1210px;
  margin: 0 auto;
}

#app-engineered-replacements .app-er-header {
  max-width: 780px;
  margin: 0 auto 36px;
  text-align: center;
}

#app-engineered-replacements .app-er-eyebrow,
#app-engineered-replacements .app-er-kicker {
  display: block;
  font-family: var(--font-heading, Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif);
  font-weight: 700;
  text-transform: uppercase;
}

#app-engineered-replacements .app-er-eyebrow {
  margin: 0 0 12px;
  color: var(--app-er-primary);
  font-size: 12px;
  letter-spacing: 0.2em;
}

#app-engineered-replacements .app-er-title {
  margin: 0;
  color: var(--app-er-ink);
  font-family: var(--font-heading, Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif);
  font-size: clamp(32px, 4vw, 50px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

#app-engineered-replacements .app-er-lead {
  max-width: 720px;
  margin: 16px auto 0;
  color: var(--app-er-muted);
  font-family: var(--font-body, Roboto, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif);
  font-size: 17px;
  line-height: 1.6;
}

#app-engineered-replacements .app-er-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

#app-engineered-replacements .app-er-card {
  display: flex;
  min-width: 0;
  overflow: hidden;
  flex-direction: column;
  background: var(--app-er-surface);
  border: 1px solid var(--app-er-border);
  border-radius: var(--app-er-radius-lg);
  box-shadow: 0 10px 26px rgba(0, 61, 130, 0.08);
}

#app-engineered-replacements .app-er-card:hover {
  box-shadow: 0 16px 32px rgba(0, 61, 130, 0.13);
  transform: translateY(-3px);
}

#app-engineered-replacements .app-er-visual {
  position: relative;
  aspect-ratio: 1.95 / 1;
  overflow: hidden;
  background: #eef4f9;
}

#app-engineered-replacements .app-er-visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

#app-engineered-replacements .app-er-platform {
  position: absolute;
  bottom: 14px;
  left: 18px;
  padding: 8px 12px;
  color: #ffffff;
  background: var(--app-er-primary);
  border-radius: var(--app-er-radius-sm);
  box-shadow: 0 6px 16px rgba(0, 61, 130, 0.18);
  font-family: var(--font-heading, Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

#app-engineered-replacements .app-er-card--orange .app-er-platform,
#app-engineered-replacements .app-er-card--orange .app-er-kicker {
  color: var(--app-er-accent);
}

#app-engineered-replacements .app-er-card--orange .app-er-platform {
  color: #ffffff;
  background: var(--app-er-accent);
}

#app-engineered-replacements .app-er-content {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 23px 24px 22px;
}

#app-engineered-replacements .app-er-kicker {
  margin: 0 0 8px;
  color: var(--app-er-primary);
  font-size: 10px;
  letter-spacing: 0.1em;
  line-height: 1.4;
}

#app-engineered-replacements .app-er-card-title {
  margin: 0;
  color: var(--app-er-ink);
  font-family: var(--font-heading, Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif);
  font-size: 23px;
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.02em;
}

#app-engineered-replacements .app-er-desc {
  margin: 12px 0 16px;
  color: var(--app-er-muted);
  font-family: var(--font-body, Roboto, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif);
  font-size: 14px;
  line-height: 1.58;
}

#app-engineered-replacements .app-er-points {
  display: grid;
  gap: 10px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

#app-engineered-replacements .app-er-points li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: var(--app-er-muted);
  font-family: var(--font-body, Roboto, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif);
  font-size: 13px;
  line-height: 1.45;
}

#app-engineered-replacements .app-er-check {
  display: grid;
  flex: 0 0 20px;
  width: 20px;
  height: 20px;
  place-items: center;
  color: var(--app-er-primary);
  background: #edf5ff;
  border-radius: 50%;
  font-family: var(--font-heading, Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif);
  font-size: 12px;
  font-weight: 700;
}

#app-engineered-replacements .app-er-card--orange .app-er-check {
  color: var(--app-er-accent);
  background: #fff3e7;
}

#app-engineered-replacements .app-er-button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  text-decoration: none;
  font-family: var(--font-heading, Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif);
  font-weight: 700;
}

#app-engineered-replacements .app-er-button {
  min-height: 50px;
  margin-top: auto;
  padding: 13px 16px;
  color: #ffffff;
  background: linear-gradient(135deg, var(--app-er-primary), var(--app-er-primary-light));
  border-radius: var(--app-er-radius-md);
  font-size: 14px;
}

#app-engineered-replacements .app-er-button:hover,
#app-engineered-replacements .app-er-button:focus-visible {
  background: linear-gradient(135deg, var(--app-er-primary-dark), var(--app-er-primary));
}

#app-engineered-replacements .app-er-card--orange .app-er-button {
  background: linear-gradient(135deg, var(--app-er-accent), #ffad38);
}

#app-engineered-replacements .app-er-card--orange .app-er-button:hover,
#app-engineered-replacements .app-er-card--orange .app-er-button:focus-visible {
  background: linear-gradient(135deg, #e07d0a, var(--app-er-accent));
}

#app-engineered-replacements .app-er-button:focus-visible {
  outline: 3px solid rgba(255, 255, 255, 0.8);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: no-preference) {
  #app-engineered-replacements .app-er-card,
  #app-engineered-replacements .app-er-button {
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  }
}

@media (max-width: 980px) {
  #app-engineered-replacements .app-er-cards {
    grid-template-columns: 1fr;
  }

  #app-engineered-replacements .app-er-visual {
    aspect-ratio: 2.3 / 1;
  }

}

@media (max-width: 640px) {
  #app-engineered-replacements {
    padding: 52px 16px 48px;
  }

  #app-engineered-replacements .app-er-title {
    font-size: clamp(30px, 9vw, 40px);
  }

  #app-engineered-replacements .app-er-lead {
    font-size: 16px;
  }

  #app-engineered-replacements .app-er-visual {
    aspect-ratio: 1.7 / 1;
  }

  #app-engineered-replacements .app-er-content {
    padding: 20px;
  }

}