/* ============================================
   Manufacturing Execution System (MES) – Page styles
   Industrial, technical, real-time, data-driven
   ============================================ */

.mes-page {
  padding-bottom: 0;
}

/* ---------- Section 1 – Hero ---------- */
.mes-hero {
  background: linear-gradient(155deg, #1a2528 0%, #2d3d42 40%, #3d5159 75%, #0d3f4a 100%);
  padding: clamp(64px, 10vw, 100px) 0;
  color: #fff;
}

.mes-hero-inner {
  max-width: 880px;
}

.mes-hero-title {
  font-size: clamp(1.65rem, 3.2vw, 2.35rem);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
  text-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.mes-hero-sub {
  font-size: clamp(0.95rem, 1.4vw, 1.05rem);
  line-height: 1.55;
  margin: 0 0 2rem;
  opacity: 0.92;
  max-width: 640px;
}

.mes-hero-badges {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  font-size: 0.9rem;
  font-weight: 600;
}

.mes-hero-badges li {
  position: relative;
  padding-left: 1rem;
}

.mes-hero-badges li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--color-primary, #1abc9c);
}

/* ---------- Section 2 – Shop Floor Challenge ---------- */
.mes-challenge {
  padding: clamp(56px, 8vw, 80px) 0;
  background: #fff;
}

.mes-challenge-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 56px);
  align-items: center;
}

.mes-challenge-title {
  font-size: clamp(1.3rem, 2vw, 1.55rem);
  font-weight: 700;
  color: var(--color-dark, #2c3e50);
  margin: 0 0 1rem;
}

.mes-challenge-text {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text-muted, #6c757d);
  margin: 0 0 1.25rem;
}

.mes-challenge-list {
  margin: 0;
  padding: 0 0 0 1.25rem;
  color: var(--color-dark-soft, #3d566e);
  font-size: 0.95rem;
  line-height: 1.75;
}

.mes-challenge-list li {
  margin-bottom: 0.4rem;
}

.mes-challenge-visual {
  min-height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mes-challenge-placeholder {
  width: 100%;
  min-height: 240px;
  background: linear-gradient(145deg, #2d3d42 0%, #1a2528 100%);
  border-radius: var(--radius-lg, 12px);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(0,0,0,0.1);
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.mes-placeholder-label {
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(255,255,255,0.4);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ---------- Section 3 – Core MES Capabilities ---------- */
.mes-capabilities {
  padding: clamp(56px, 8vw, 80px) 0;
  background: var(--color-bg-light, #f7f9fb);
}

.mes-cap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.mes-cap-card {
  background: #fff;
  border-radius: var(--radius-lg, 12px);
  padding: 1.75rem;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  border: 1px solid rgba(0,0,0,0.04);
}

.mes-cap-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

.mes-cap-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, #2d3d42 0%, #1a2528 100%);
  color: var(--color-primary, #1abc9c);
  font-size: 1.2rem;
  border-radius: 10px;
  margin-bottom: 1rem;
}

.mes-cap-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-dark, #2c3e50);
  margin: 0 0 0.5rem;
}

.mes-cap-desc {
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--color-text-muted, #6c757d);
  margin: 0;
}

/* ---------- Section 4 – ERP + MES Integration Flow ---------- */
.mes-integration-flow {
  padding: clamp(56px, 8vw, 80px) 0;
  background: #fff;
}

.mes-flow-title {
  font-size: clamp(1.35rem, 2vw, 1.6rem);
  font-weight: 700;
  color: var(--color-dark, #2c3e50);
  margin: 0 0 0.5rem;
  text-align: center;
}

.mes-flow-text {
  font-size: 1rem;
  color: var(--color-text-muted, #6c757d);
  text-align: center;
  margin: 0 0 2.5rem;
}

.mes-flow-diagram {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0 0.5rem;
}

.mes-flow-node {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  background: var(--color-bg-light, #f7f9fb);
  border: 1px solid rgba(26, 188, 156, 0.3);
  border-radius: var(--radius, 8px);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-dark, #2c3e50);
}

.mes-flow-node:nth-child(5) {
  background: linear-gradient(145deg, #1abc9c 0%, #16a085 100%);
  color: #fff;
  border-color: transparent;
}

.mes-flow-connector {
  display: inline-block;
  width: 24px;
  height: 2px;
  background: linear-gradient(90deg, #c5d0d4, var(--color-primary, #1abc9c));
  flex-shrink: 0;
}

@media (min-width: 600px) {
  .mes-flow-connector::after {
    content: "→";
    position: absolute;
    font-size: 14px;
    color: var(--color-primary);
  }
}

/* ---------- Section 5 – Real-Time Visibility (dark) ---------- */
.mes-visibility {
  padding: clamp(56px, 8vw, 80px) 0;
  background: linear-gradient(180deg, #1a2528 0%, #2d3d42 100%);
  color: #fff;
}

.mes-visibility-title {
  font-size: clamp(1.35rem, 2vw, 1.6rem);
  font-weight: 700;
  margin: 0 0 2rem;
  text-align: center;
  color: #fff;
}

.mes-visibility-blocks {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.mes-visibility-block {
  padding: 1.75rem;
  background: rgba(255,255,255,0.06);
  border-radius: var(--radius-lg, 12px);
  border: 1px solid rgba(255,255,255,0.08);
}

.mes-visibility-block-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  color: #fff;
}

.mes-visibility-block-text {
  font-size: 0.9rem;
  line-height: 1.55;
  margin: 0;
  opacity: 0.88;
}

/* ---------- Section 6 – Multi-Site Control ---------- */
.mes-multisite {
  padding: clamp(56px, 8vw, 80px) 0;
  background: var(--color-bg-light, #f7f9fb);
}

.mes-multisite-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 56px);
  align-items: center;
}

.mes-multisite-title {
  font-size: clamp(1.3rem, 2vw, 1.55rem);
  font-weight: 700;
  color: var(--color-dark, #2c3e50);
  margin: 0 0 1rem;
}

.mes-multisite-text {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text-muted, #6c757d);
  margin: 0 0 1.25rem;
}

.mes-multisite-list {
  margin: 0;
  padding: 0 0 0 1.25rem;
  color: var(--color-dark-soft, #3d566e);
  font-size: 0.95rem;
  line-height: 1.75;
}

.mes-multisite-list li {
  margin-bottom: 0.4rem;
}

.mes-multisite-visual {
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mes-multisite-placeholder {
  width: 100%;
  min-height: 200px;
  background: linear-gradient(145deg, #e8f6f3 0%, #d4edeb 100%);
  border: 1px solid rgba(26, 188, 156, 0.2);
  border-radius: var(--radius-lg, 12px);
  display: flex;
  align-items: center;
  justify-content: center;
}

.mes-multisite-placeholder .mes-placeholder-label {
  color: var(--color-text-muted);
}

/* ---------- Section 7 – Production Intelligence + AI ---------- */
.mes-ai {
  padding: clamp(56px, 8vw, 80px) 0;
  background: #fff;
}

.mes-ai-title {
  font-size: clamp(1.35rem, 2vw, 1.6rem);
  font-weight: 700;
  color: var(--color-dark, #2c3e50);
  margin: 0 0 1rem;
}

.mes-ai-text {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text-muted, #6c757d);
  margin: 0 0 1.25rem;
  max-width: 720px;
}

.mes-ai-list {
  margin: 0;
  padding: 0 0 0 1.25rem;
  color: var(--color-dark-soft, #3d566e);
  font-size: 0.95rem;
  line-height: 1.75;
}

.mes-ai-list li {
  margin-bottom: 0.4rem;
}

/* ---------- Section 8 – CTA ---------- */
.mes-cta {
  padding: clamp(64px, 10vw, 96px) 0;
  background: linear-gradient(180deg, #1a2528 0%, #0d3f4a 100%);
  color: #fff;
}

.mes-cta-inner {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.mes-cta-title {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  margin: 0 0 2rem;
  color: #fff;
}

.mes-cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.mes-cta-secondary {
  color: #fff;
  border-color: rgba(255,255,255,0.5);
  background: transparent;
}

.mes-cta-secondary:hover {
  background: rgba(255,255,255,0.1);
  border-color: #fff;
  color: #fff;
  text-decoration: none;
}

/* ---------- Responsive ---------- */
@media (max-width: 992px) {
  .mes-challenge-inner {
    grid-template-columns: 1fr;
  }

  .mes-challenge-visual {
    order: -1;
    min-height: 200px;
  }

  .mes-cap-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .mes-visibility-blocks {
    grid-template-columns: 1fr;
  }

  .mes-multisite-inner {
    grid-template-columns: 1fr;
  }

  .mes-multisite-visual {
    order: -1;
    min-height: 180px;
  }
}

@media (max-width: 768px) {
  .mes-hero-badges {
    flex-direction: column;
    gap: 0.5rem;
  }

  .mes-flow-diagram {
    flex-direction: column;
    gap: 0.75rem;
  }

  .mes-flow-connector {
    width: 2px;
    height: 16px;
    background: linear-gradient(180deg, transparent, var(--color-primary));
  }

  .mes-cap-grid {
    grid-template-columns: 1fr;
  }

  .mes-cta-buttons {
    flex-direction: column;
  }

  .mes-cta-buttons .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .mes-challenge-placeholder,
  .mes-multisite-placeholder {
    min-height: 160px;
  }
}