/* --------------------------------------------------------------------------
   1. SUBPAGE HERO BANNER (BLENDED IMAGE BACKGROUND & HUD OVERLAYS)
   -------------------------------------------------------------------------- */
.subpage-hero {
  background-color: var(--color-navy);
  color: var(--color-white);
  padding: 5rem 0 4.25rem 0;
  border-bottom: 2px solid rgba(0, 194, 255, 0.25);
  position: relative;
  overflow: hidden;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* Dark tech gradient overlay for rich contrast & image blending */
.subpage-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(4, 13, 30, 0.94) 0%,
    rgba(8, 18, 38, 0.88) 45%,
    rgba(11, 25, 44, 0.7) 100%
  );
  z-index: 1;
}

/* Subtle glowing cyber grid over banner */
.subpage-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: 
    radial-gradient(circle at 85% 30%, rgba(0, 194, 255, 0.18) 0%, transparent 50%),
    radial-gradient(circle at 20% 80%, rgba(132, 204, 22, 0.1) 0%, transparent 45%),
    linear-gradient(rgba(0, 194, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 194, 255, 0.04) 1px, transparent 1px);
  background-size: auto, auto, 40px 40px, 40px 40px;
  z-index: 2;
  pointer-events: none;
}

.subpage-hero .container {
  position: relative;
  z-index: 3;
}

/* Specific page hero background image blends */
.hero-bms {
  background-image: url('../images/bms.jpg');
}

.hero-datacenter {
  background-image: url('../images/hero_datacenter.jpg');
}

.hero-power {
  background-image: url('../images/ups_power.jpg');
}

.hero-cooling {
  background-image: url('../images/cooling.jpg');
}

.hero-electrical {
  background-image: url('../images/electrical.jpg');
}

.hero-about {
  background-image: url('../images/about_engineering.jpg');
}

.hero-projects {
  background-image: url('../images/hero_datacenter.jpg');
}

.hero-solutions {
  background-image: url('../images/bms.jpg');
}

.hero-contact {
  background-image: url('../images/about_engineering.jpg');
}

.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.breadcrumb-nav a {
  color: var(--color-cyan-bright);
  transition: color 0.2s ease;
}

.breadcrumb-nav a:hover {
  color: var(--color-lime-bright);
}

.breadcrumb-separator {
  color: rgba(0, 194, 255, 0.4);
}

.subpage-hero h1 {
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: clamp(2.1rem, 3.8vw, 3.2rem);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  line-height: 1.15;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.subpage-hero h1 .text-highlight {
  background: linear-gradient(90deg, var(--color-cyan-bright) 0%, var(--color-lime-bright) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.subpage-hero-desc {
  color: rgba(226, 232, 240, 0.9);
  font-size: 1.08rem;
  line-height: 1.7;
  max-width: 720px;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
}

/* --------------------------------------------------------------------------
   2. SERVICE DETAIL SPEC CARDS (VIBRANT & COLORFUL HIGH-TECH CARDS)
   -------------------------------------------------------------------------- */
.service-spec-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
  margin: 3.5rem 0;
}

.service-spec-card {
  background-color: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-top: 4px solid var(--color-corporate-blue);
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(11, 25, 44, 0.04);
  position: relative;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.service-spec-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 35px -10px rgba(15, 76, 129, 0.12), 0 0 0 1px var(--color-cyan-bright);
  border-top-color: var(--color-cyan-bright);
}

.service-spec-img {
  height: 160px;
  position: relative;
  overflow: hidden;
  background-color: #0B192C;
}

.service-spec-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.service-spec-card:hover .service-spec-img img {
  transform: scale(1.08);
}

.service-spec-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(4, 13, 30, 0.1) 0%, rgba(4, 13, 30, 0.6) 100%);
}

.service-spec-badge {
  position: absolute;
  bottom: 10px;
  left: 12px;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  color: #FFFFFF;
  background: rgba(11, 25, 44, 0.85);
  border-left: 2px solid var(--color-lime-bright);
  padding: 3px 8px;
  backdrop-filter: blur(4px);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.service-spec-body {
  padding: 1.75rem 1.65rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.service-spec-card h4, 
.service-spec-card h3 {
  color: var(--color-navy);
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 0.85rem;
  text-transform: uppercase;
  letter-spacing: -0.01em;
}

.service-spec-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-top: 0.5rem;
}

.service-spec-list li {
  font-size: 0.9rem;
  color: var(--color-gray-700);
  display: flex;
  align-items: center;
  gap: 0.65rem;
  line-height: 1.45;
}

.service-spec-list li::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--color-lime);
  box-shadow: 0 0 6px var(--color-lime);
  flex-shrink: 0;
}

/* Subpage Service Call-To-Action Banner */
.service-cta-banner {
  margin-top: 3.5rem;
  background: linear-gradient(135deg, #0B192C 0%, #040D1E 100%);
  color: var(--color-white);
  padding: 3rem 3.5rem;
  border-radius: 12px;
  border: 1px solid rgba(0, 194, 255, 0.25);
  border-left: 5px solid var(--color-lime-bright);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 2rem;
  position: relative;
  overflow: hidden;
  box-shadow: 0 15px 35px rgba(4, 13, 30, 0.35);
}

.service-cta-banner::before {
  content: "";
  position: absolute;
  top: -50px;
  right: -50px;
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(0, 194, 255, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.service-cta-banner h3 {
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
  letter-spacing: -0.01em;
}

.service-cta-banner p {
  color: #CBD5E1;
  font-size: 0.95rem;
  margin-bottom: 0;
  max-width: 580px;
}

/* Featured Technical Visual Language Block */
.featured-infra-block {
  background-color: var(--color-navy-dark);
  color: var(--color-white);
  padding: 4rem 0;
  position: relative;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.featured-infra-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3.5rem;
  align-items: center;
}

.infra-visual-frame {
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 8px;
  background: rgba(255, 255, 255, 0.03);
}

.infra-visual-frame img {
  width: 100%;
  height: auto;
  display: block;
}

/* Technical Blueprint Annotations */
.infra-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.infra-tag {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-cyan-bright);
  background: rgba(2, 132, 199, 0.12);
  border: 1px solid rgba(0, 194, 255, 0.25);
  padding: 0.4rem 0.85rem;
  border-radius: 3px;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.infra-tag::before {
  content: "";
  width: 6px;
  height: 6px;
  background-color: var(--color-lime-bright);
  border-radius: 50%;
}

/* Project Capability Cards */
.project-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  overflow: hidden;
  transition: var(--transition-standard);
}

.project-card:hover {
  box-shadow: var(--shadow-card);
  border-color: var(--color-corporate-blue);
}

.project-img-wrapper {
  height: 240px;
  position: relative;
  overflow: hidden;
}

.project-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.project-card:hover .project-img-wrapper img {
  transform: scale(1.06);
}

.project-category-badge {
  position: absolute;
  top: 15px;
  left: 15px;
  background-color: var(--color-navy);
  color: var(--color-white);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.3rem 0.75rem;
  border-left: 3px solid var(--color-lime);
  text-transform: uppercase;
}

.project-info {
  padding: 1.75rem;
}

.project-info h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}

.project-info p {
  font-size: 0.9375rem;
  margin-bottom: 1.25rem;
}

/* Industry Cards Grid */
.industry-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.75rem;
  margin-top: 3rem;
}

.industry-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-top: 3px solid var(--color-corporate-blue);
  padding: 2rem 1.75rem;
  border-radius: 10px;
  transition: var(--transition-standard);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.industry-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at top right, rgba(2, 132, 199, 0.05), transparent 60%);
  pointer-events: none;
}

.industry-card:hover {
  border-color: var(--color-gray-200);
  border-top-color: var(--color-cyan-bright);
  box-shadow: 0 15px 35px rgba(11, 25, 44, 0.09);
  transform: translateY(-6px);
}

.industry-card-icon {
  width: 52px;
  height: 52px;
  color: var(--color-corporate-blue);
  background: linear-gradient(135deg, rgba(15, 76, 129, 0.08) 0%, rgba(0, 194, 255, 0.12) 100%);
  border: 1px solid rgba(15, 76, 129, 0.12);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  transition: var(--transition-standard);
}

.industry-card:hover .industry-card-icon {
  background: linear-gradient(135deg, var(--color-corporate-blue) 0%, var(--color-cyan) 100%);
  color: var(--color-white);
  transform: scale(1.08) rotate(3deg);
  box-shadow: 0 6px 16px rgba(2, 132, 199, 0.25);
  border-color: transparent;
}

.industry-card-icon svg {
  width: 26px;
  height: 26px;
}

.industry-card h4 {
  font-size: 1.15rem;
  margin-bottom: 0.6rem;
  text-transform: uppercase;
  color: var(--color-navy);
}

.industry-card p {
  font-size: 0.875rem;
  margin-bottom: 1rem;
  color: var(--color-gray-600);
  line-height: 1.6;
  flex: 1;
}

.industry-link {
  font-family: var(--font-mono);
  font-size: 0.775rem;
  font-weight: 700;
  color: var(--color-corporate-blue);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: var(--transition-standard);
}

.industry-card:hover .industry-link {
  color: var(--color-cyan);
}

.industry-link svg {
  width: 14px;
  height: 14px;
  transition: transform 0.2s ease;
}

.industry-card:hover .industry-link svg {
  transform: translateX(4px);
}

@media (max-width: 992px) {
  .subpage-hero-grid { grid-template-columns: 1fr; }
  .service-spec-grid { grid-template-columns: 1fr; }
  .featured-infra-grid { grid-template-columns: 1fr; }
  .industry-grid { grid-template-columns: repeat(2, 1fr); }
  .process-stepper { grid-template-columns: repeat(2, 1fr); }
  .process-stepper::before { display: none; }
}

@media (max-width: 576px) {
  .industry-grid { grid-template-columns: 1fr; }
  .process-stepper { grid-template-columns: 1fr; }
}