/* Skip link — accessibility & SEO crawlability */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  z-index: 10000;
  padding: 0.75rem 1.25rem;
  background: var(--accent-blue, #2563eb);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 1rem;
  outline: 2px solid var(--accent-cyan, #06b6d4);
  outline-offset: 2px;
}

/* Related pages — internal linking */
.seo-related-links {
  border-top: 1px solid var(--border-light, #e2e8f0);
  padding-top: 2rem;
}

.seo-related-links a {
  color: var(--accent-blue, #2563eb);
  text-decoration: none;
  font-weight: 500;
}

.seo-related-links a:hover {
  text-decoration: underline;
}

.btn-ecs-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  background: var(--gradient-primary);
  color: white !important;
  font-weight: 600;
  font-size: 0.9375rem;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
  text-decoration: none;
}

.btn-ecs-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
  color: white !important;
}

.btn-ecs-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  background: transparent;
  color: var(--text-on-dark) !important;
  font-weight: 600;
  font-size: 0.9375rem;
  border: 2px solid rgba(255,255,255,0.35);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-ecs-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan) !important;
}

.btn-ecs-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  background: var(--accent-blue);
  color: white !important;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  transition: all var(--transition);
}

.btn-ecs-secondary:hover {
  background: var(--accent-purple);
  transform: translateY(-2px);
  color: white !important;
}

/* Glass cards */
.glass-card {
  background: var(--gradient-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.glass-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(6, 182, 212, 0.3);
}

/* Service / feature cards */
.card-ecs {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  height: 100%;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.card-ecs::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.card-ecs:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.card-ecs:hover::before { transform: scaleX(1); }

.card-ecs-dark {
  background: rgba(255,255,255,0.04);
  border-color: rgba(255,255,255,0.1);
  color: var(--text-on-dark);
}

.card-ecs-dark .card-text { color: var(--text-light); }

.card-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(37,99,235,0.15), rgba(124,58,237,0.15));
  border-radius: var(--radius-md);
  font-size: 1.5rem;
  color: var(--accent-blue);
  margin-bottom: 1.25rem;
}

.section-dark .card-icon,
.section-gradient .card-icon {
  background: linear-gradient(135deg, rgba(37,99,235,0.3), rgba(6,182,212,0.2));
  color: var(--accent-cyan);
}

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.stat-item {
  text-align: center;
  padding: 2rem 1rem;
}

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.section-dark .stat-number,
.section-gradient .stat-number {
  background: linear-gradient(135deg, #fff, var(--accent-cyan));
  -webkit-background-clip: text;
  background-clip: text;
}

.stat-label {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.section-dark .stat-label { color: var(--text-light); }

/* Tech stack */
.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.tech-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.875rem;
  transition: all var(--transition);
}

.tech-badge:hover {
  border-color: var(--accent-blue);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.tech-badge i { color: var(--accent-blue); font-size: 1.25rem; }

/* Timeline */
.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gradient-primary);
}

.timeline-item {
  position: relative;
  padding-bottom: 2.5rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -2rem;
  top: 6px;
  width: 16px;
  height: 16px;
  background: var(--accent-cyan);
  border: 3px solid var(--bg-white);
  border-radius: 50%;
  box-shadow: 0 0 0 3px var(--accent-blue);
}

.timeline-year {
  font-weight: 700;
  color: var(--accent-blue);
  font-size: 0.875rem;
  margin-bottom: 0.25rem;
}

/* Process steps */
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  counter-reset: step;
}

.process-step {
  text-align: center;
  padding: 2rem 1.5rem;
  position: relative;
}

.process-step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin: 0 auto 1rem;
  background: var(--gradient-primary);
  color: white;
  font-weight: 800;
  font-size: 1rem;
  border-radius: 50%;
}

/* Testimonials */
.testimonial-slider {
  position: relative;
  overflow: hidden;
}

.testimonial-track {
  display: flex;
  transition: transform 0.5s ease;
}

.testimonial-slide {
  min-width: 100%;
  padding: 0 1rem;
}

.testimonial-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
  max-width: 800px;
  margin: 0 auto;
}

.testimonial-quote {
  font-size: 1.125rem;
  font-style: italic;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.testimonial-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 1.125rem;
}

.slider-controls {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 2rem;
}

.slider-btn {
  width: 44px;
  height: 44px;
  border: 1px solid var(--border-light);
  background: var(--bg-white);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.slider-btn:hover {
  background: var(--accent-blue);
  color: white;
  border-color: var(--accent-blue);
}

/* Metrics dashboard */
.metrics-dashboard {
  background: var(--primary-light);
  border-radius: var(--radius-xl);
  padding: 2rem;
  border: 1px solid rgba(255,255,255,0.1);
}

.metric-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.metric-row:last-child { border-bottom: none; }

.metric-bar {
  height: 6px;
  background: rgba(255,255,255,0.1);
  border-radius: 3px;
  flex: 1;
  margin: 0 1.5rem;
  overflow: hidden;
}

.metric-bar-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 3px;
  width: 0;
  transition: width 1.5s ease;
}

/* Architecture blocks */
.arch-block {
  background: var(--bg-light);
  border: 2px dashed var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
  transition: all var(--transition);
}

.arch-block:hover {
  border-style: solid;
  border-color: var(--accent-blue);
  background: white;
  box-shadow: var(--shadow-md);
}

.arch-flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.arch-arrow {
  color: var(--accent-cyan);
  font-size: 1.5rem;
}

/* Forms */
.form-ecs .form-control,
.form-ecs .form-select {
  padding: 0.875rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  font-size: 0.9375rem;
}

.form-ecs .form-control:focus,
.form-ecs .form-select:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form-ecs label {
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

/* FAQ accordion */
.accordion-ecs .accordion-item {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md) !important;
  margin-bottom: 0.75rem;
  overflow: hidden;
}

.accordion-ecs .accordion-button {
  font-weight: 600;
  padding: 1.25rem 1.5rem;
  background: var(--bg-white);
}

.accordion-ecs .accordion-button:not(.collapsed) {
  background: rgba(37, 99, 235, 0.06);
  color: var(--accent-blue);
}

/* CTA banner */
.cta-banner {
  background: var(--gradient-primary);
  border-radius: var(--radius-xl);
  padding: clamp(2.5rem, 5vw, 4rem);
  text-align: center;
  color: white;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3z' fill='%23ffffff' fill-opacity='0.05' fill-rule='evenodd'/%3E%3C/svg%3E");
}

.cta-banner .container { position: relative; z-index: 1; }

/* Case study cards */
.case-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-white);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition);
}

.case-card:hover { transform: translateY(-6px); }

.case-card-img {
  height: 200px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 3rem;
}

.case-card-body { padding: 1.5rem; }

.case-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-blue);
  margin-bottom: 0.5rem;
}

/* Leadership */
.leader-card {
  text-align: center;
}

.leader-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: var(--gradient-primary);
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 2rem;
  font-weight: 700;
}

/* Gallery */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.gallery-item {
  aspect-ratio: 4/3;
  border-radius: var(--radius-md);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 2rem;
  transition: transform var(--transition);
}

.gallery-item:hover { transform: scale(1.03); }

/* Map placeholder */
.map-embed {
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 400px;
  background: var(--bg-light);
  border: 1px solid var(--border-light);
}

.map-embed iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* Job listing */
.job-card {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  transition: all var(--transition);
}

.job-card:hover {
  border-color: var(--accent-blue);
  box-shadow: var(--shadow-md);
}

.job-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.job-meta span { display: flex; align-items: center; gap: 0.35rem; }

/* Certifications */
.cert-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: center;
}

.cert-badge {
  padding: 1rem 1.5rem;
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.cert-badge i { color: var(--accent-blue); }

/* Typewriter */
.typewriter {
  border-right: 2px solid var(--accent-cyan);
  animation: blink 0.7s step-end infinite;
}

@keyframes blink {
  50% { border-color: transparent; }
}