.system-hero {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  color: #fff;
  border-radius: 18px;
  padding: 24px;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.hero-badge {
  display: inline-flex;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,.15);
  font-size: 10px;
  font-weight: 700;
  margin-bottom: 12px;
}

.system-hero h1 {
  font-size: 22px;
  font-weight: 800;
  line-height: 1.3;
  max-width: 560px;
  margin-bottom: 8px;
}

.system-hero p {
  font-size: 12px;
  line-height: 1.7;
  max-width: 560px;
  color: rgba(255,255,255,.88);
}

.hero-icon {
  width: 72px; height: 72px;
  border-radius: 18px;
  background: rgba(255,255,255,.12);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  font-size: 28px;
}

.system-card {
  background: #fff;
  border-radius: 16px;
  padding: 18px;
  margin-bottom: 12px;
  box-shadow: 0 1px 4px rgba(15,23,42,.06);
}

.system-title {
  margin-bottom: 14px;
  font-size: 15px;
  font-weight: 700;
  color: #0f172a;
}

.goal-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.goal-item {
  background: #f8fafc;
  border-radius: 14px;
  padding: 16px;
}
.goal-item h3 { font-size: 13px; margin-bottom: 6px; }
.goal-item p  { font-size: 11px; line-height: 1.6; color: #64748b; }

.flow-wrapper {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.flow-item {
  background: #f8fafc;
  border-radius: 14px;
  padding: 16px;
  text-align: center;
}

.flow-icon {
  width: 42px; height: 42px;
  border-radius: 12px;
  background: #2563eb; color: #fff;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 10px;
  font-size: 15px;
}

.flow-item h3 { font-size: 12px; margin-bottom: 4px; }
.flow-item p  { font-size: 10px; line-height: 1.5; color: #64748b; }

.sensor-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.sensor-item {
  background: #f8fafc;
  border-radius: 14px;
  padding: 14px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.sensor-icon {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: #2563eb; color: #fff;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  font-size: 14px;
}

.sensor-item h4 { font-size: 12px; margin-bottom: 4px; }
.sensor-item p  { font-size: 10px; line-height: 1.5; color: #64748b; }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.feature-item {
  background: #eff6ff;
  border-radius: 14px;
  padding: 14px;
  text-align: center;
  color: #2563eb;
  font-size: 11px;
  font-weight: 700;
}

@media (max-width: 900px) {
  .goal-grid, .feature-grid { grid-template-columns: 1fr 1fr; }
  .flow-wrapper             { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .system-hero { flex-direction: column; align-items: flex-start; padding: 16px; }
  .system-hero h1 { font-size: 18px; }
  .system-hero p  { font-size: 10px; }
  .hero-icon { width: 52px; height: 52px; font-size: 20px; border-radius: 14px; }
  .goal-grid, .feature-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .flow-wrapper             { grid-template-columns: 1fr 1fr; gap: 8px; }
  .sensor-grid              { grid-template-columns: 1fr; gap: 8px; }
  .goal-item, .flow-item, .feature-item { padding: 12px; border-radius: 12px; }
  .goal-item h3, .flow-item h3 { font-size: 11px; }
  .goal-item p, .flow-item p, .sensor-item p { font-size: 9px; }
  .feature-item { font-size: 9px; }
  .system-card { padding: 14px; }
}

@media (max-width: 320px) {
  .system-hero { padding: 14px; gap: 12px; }
  .system-hero h1 { font-size: 15px; }
  .system-hero p  { font-size: 9px; }
  .hero-badge { font-size: 9px; }
  .hero-icon  { width: 44px; height: 44px; font-size: 17px; }

  .system-card { padding: 12px; border-radius: 12px; margin-bottom: 8px; }
  .system-title { font-size: 13px; margin-bottom: 10px; }

  .goal-grid, .feature-grid { grid-template-columns: 1fr 1fr; gap: 6px; }
  .flow-wrapper { grid-template-columns: 1fr 1fr; gap: 6px; }
  .sensor-grid  { grid-template-columns: 1fr; gap: 6px; }

  .goal-item, .flow-item { padding: 10px; border-radius: 10px; }
  .goal-item h3, .flow-item h3 { font-size: 10px; }
  .goal-item p,  .flow-item p  { font-size: 9px; }

  .flow-icon { width: 34px; height: 34px; font-size: 13px; border-radius: 9px; }

  .sensor-item { padding: 10px; gap: 8px; border-radius: 10px; }
  .sensor-icon { width: 32px; height: 32px; font-size: 12px; border-radius: 8px; }
  .sensor-item h4 { font-size: 11px; }
  .sensor-item p  { font-size: 9px; }

  .feature-item { padding: 10px; font-size: 9px; border-radius: 10px; }
}