/**
 * KALPA Component Architecture
 * Buttons, Editorial Service Rows, Concept Cards, Process Stepper, and Inquiry Dialog
 * Fully adapted for dual Warm Dark / Warm Editorial Light theme system
 */

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 0.7rem 1.35rem;
  border-radius: var(--radius-xs);
  transition: all var(--transition-fast);
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  line-height: 1;
}

.btn-arrow {
  display: inline-block;
  transition: transform var(--transition-fast);
}

.btn:hover .btn-arrow {
  transform: translateX(4px);
}

.btn-primary {
  background-color: var(--text-primary);
  color: var(--text-inverse);
  border: 1px solid var(--text-primary);
  box-shadow: var(--metallic-bevel);
  position: relative;
  overflow: hidden;
}

[data-theme="light"] .btn-primary {
  background: linear-gradient(180deg, #1A1E24 0%, #080A0E 100%);
  color: #FFFFFF;
  border-color: #080A0E;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.3), 0 4px 14px rgba(0, 10, 30, 0.18);
}

[data-theme="light"] .btn-primary:hover {
  background: linear-gradient(180deg, #2D333F 0%, #12151B 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4), 0 6px 20px rgba(0, 10, 30, 0.24);
  filter: none;
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-default);
}

[data-theme="light"] .btn-secondary {
  background: linear-gradient(180deg, #FFFFFF 0%, #F5F7FA 100%);
  border-color: rgba(0, 0, 0, 0.12);
  color: #0A0D12;
  box-shadow: inset 0 1px 0 #FFFFFF, 0 2px 8px rgba(0, 20, 50, 0.05);
}

[data-theme="light"] .btn-secondary:hover {
  border-color: rgba(0, 0, 0, 0.26);
  background: #FFFFFF;
  box-shadow: inset 0 1px 0 #FFFFFF, 0 4px 16px rgba(0, 20, 50, 0.09);
}

.btn-pill {
  border-radius: var(--radius-pill);
  padding: 0.7rem 1.45rem;
}

.btn-sm {
  font-size: 0.8125rem;
  padding: 0.45rem 0.95rem;
}

.btn-text {
  padding: 0;
  background: none;
  border: none;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--text-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border-default);
  padding-bottom: 2px;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.btn-text:hover {
  border-color: var(--text-primary);
}

/* ==========================================================================
   Section Headers
   ========================================================================== */

.section-header {
  margin-bottom: clamp(2.5rem, 5vw, 4.25rem);
}

.section-header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-sm);
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.section-intro {
  max-width: 580px;
  font-size: 1.0625rem;
  color: var(--text-secondary);
  margin-top: 0.75rem;
}

/* ==========================================================================
   Services Editorial List
   ========================================================================== */

.services-layout {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: clamp(1.75rem, 4vw, 3.75rem);
  align-items: start;
}

.services-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--border-default);
}

.service-item {
  padding-block: clamp(1.5rem, 3vw, 2.25rem);
  border-bottom: 1px solid var(--border-default);
  cursor: pointer;
  transition: padding-left var(--transition-smooth), background-color var(--transition-smooth);
  position: relative;
}

.service-item:hover,
.service-item.is-active {
  padding-left: 1rem;
  background-color: var(--bg-surface);
}

.service-item-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.25rem;
  margin-bottom: 0.55rem;
}

.service-title-wrap {
  display: flex;
  align-items: baseline;
  gap: clamp(0.85rem, 1.8vw, 1.5rem);
}

.service-index {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-weight: 500;
}

.service-title {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.2vw, 1.75rem);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  transition: color var(--transition-fast);
}

.service-badge {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-xs);
  white-space: nowrap;
}

.service-badge-primary {
  background-color: rgba(255, 255, 255, 0.12);
  color: var(--text-primary);
  border: 1px solid var(--border-hover);
}

[data-theme="light"] .service-badge-primary {
  background-color: rgba(10, 13, 18, 0.06);
  border-color: rgba(10, 13, 18, 0.15);
  color: var(--text-primary);
}

.service-badge-future {
  background-color: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border-default);
}

.service-desc {
  max-width: 560px;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  padding-left: clamp(1.75rem, 3vw, 2.85rem);
}

/* Services Interactive Architectural Preview Pane */
.services-preview-panel {
  position: sticky;
  top: 5.75rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xs);
  padding: clamp(1.25rem, 2.5vw, 2rem);
  min-height: 350px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.preview-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 1.25rem;
}

.preview-panel-meta {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.preview-diagram {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xs);
  padding: 1.15rem;
  min-height: 150px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.preview-spec-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.preview-spec-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  font-size: 0.8125rem;
}

.preview-spec-label {
  color: var(--text-muted);
  font-size: 0.75rem;
}

.preview-spec-value {
  font-family: var(--font-mono);
  color: var(--text-primary);
  font-size: 0.8125rem;
}

/* ==========================================================================
   Selected Concepts Section (Unmistakably Labeled Demo Work)
   ========================================================================== */

.concepts-grid {
  display: flex;
  flex-direction: column;
  gap: clamp(3.5rem, 6.5vw, 5.5rem);
}

.concept-card {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: clamp(1.75rem, 4vw, 4rem);
  align-items: center;
  position: relative;
}

.concept-card:nth-child(even) {
  grid-template-columns: 1.15fr 1fr;
}

.concept-card:nth-child(even) .concept-visual-wrap {
  order: -1;
}

.concept-info {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.concept-meta-row {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-wrap: wrap;
}

.concept-badge {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.2rem 0.55rem;
  background-color: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xs);
  font-weight: 600;
}

.concept-index {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.concept-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.2vw, 2.75rem);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  line-height: 1.08;
}

.concept-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.65;
  max-width: 500px;
}

.concept-deliverables {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-block: 0.25rem;
}

.deliverable-tag {
  font-size: 0.75rem;
  padding: 0.25rem 0.65rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xs);
  color: var(--text-secondary);
}

.concept-disclaimer {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  border-left: 2px solid var(--border-default);
  padding-left: 0.65rem;
  margin-top: 0.25rem;
}

/* Concept Visual Presentation Frame */
.concept-visual-wrap {
  position: relative;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: 0 16px 36px -12px rgba(0, 0, 0, 0.35);
  transition: border-color var(--transition-smooth), transform var(--transition-smooth);
}

.concept-card:hover .concept-visual-wrap {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.concept-browser-bar {
  background-color: var(--mockup-browser-bar);
  border-bottom: 1px solid var(--mockup-border);
  padding: 0.55rem 0.95rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.browser-dots {
  display: flex;
  gap: 5px;
}

.browser-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--border-hover);
}

.browser-url {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.concept-canvas {
  padding: 1.25rem;
  background-color: var(--mockup-canvas);
  min-height: 310px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

/* Architectural Mockup Internal Styles */
.mockup-ui {
  width: 100%;
  background-color: var(--mockup-ui-bg);
  border: 1px solid var(--mockup-border);
  border-radius: var(--radius-xs);
  padding: 1.15rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  position: relative;
}

.mockup-nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.65rem;
}

.mockup-brand {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.05em;
}

.mockup-lines {
  display: flex;
  gap: 0.4rem;
}

.mockup-line-pill {
  width: 36px;
  height: 5px;
  background-color: var(--border-default);
  border-radius: 2px;
}

.mockup-hero-block {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 0.85rem;
  align-items: center;
  padding-block: 0.35rem;
}

.mockup-title-skeleton {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.mockup-title-bar-1 {
  width: 85%;
  height: 12px;
  background-color: var(--text-primary);
  opacity: 0.85;
  border-radius: 2px;
}

.mockup-title-bar-2 {
  width: 60%;
  height: 12px;
  background-color: var(--text-secondary);
  opacity: 0.45;
  border-radius: 2px;
}

.mockup-desc-bar {
  width: 95%;
  height: 6px;
  background-color: var(--border-hover);
  margin-top: 0.4rem;
  border-radius: 1px;
}

.mockup-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.65rem;
  margin-top: 0.35rem;
}

.mockup-card-item {
  background-color: var(--mockup-item-bg);
  border: 1px solid var(--border-subtle);
  padding: 0.75rem;
  border-radius: var(--radius-xs);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.mockup-card-label {
  font-size: 0.625rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.mockup-card-val {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* ==========================================================================
   Philosophy Section ("BUILD WITH INTENT")
   ========================================================================== */

.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--border-default);
  background-color: var(--border-default);
  gap: 1px;
}

.philosophy-item {
  background-color: var(--bg-primary);
  padding: clamp(1.75rem, 3.5vw, 3rem) clamp(1.25rem, 2.5vw, 2.25rem);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 250px;
  transition: background-color var(--transition-smooth);
}

.philosophy-item:hover {
  background-color: var(--bg-surface);
}

.philosophy-index {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.philosophy-title {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.2vw, 1.95rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.philosophy-text {
  font-size: 0.96875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   Process Section ("FROM IDEA TO DIGITAL REALITY")
   ========================================================================== */

.process-stepper {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--border-default);
}

.process-step {
  display: grid;
  grid-template-columns: 70px 220px 1fr;
  gap: clamp(1.25rem, 2.5vw, 2.5rem);
  align-items: baseline;
  padding-block: clamp(1.5rem, 2.5vw, 2.25rem);
  border-bottom: 1px solid var(--border-default);
  transition: background-color var(--transition-fast), padding-left var(--transition-fast);
}

.process-step:hover {
  background-color: var(--bg-surface);
  padding-left: 0.75rem;
}

.step-num {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 500;
}

.step-title {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 1.8vw, 1.5rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  color: var(--text-primary);
}

.step-desc {
  font-size: 0.96875rem;
  color: var(--text-secondary);
  line-height: 1.62;
  max-width: 620px;
}

/* ==========================================================================
   Final CTA Section ("LET'S BUILD WHAT'S NEXT")
   ========================================================================== */

.cta-section {
  text-align: left;
  border-top: 1px solid var(--border-default);
  background-color: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 10%;
  left: 10%;
  width: 600px;
  height: 400px;
  background: radial-gradient(circle at center, var(--warm-glow), transparent 70%);
  pointer-events: none;
}

.cta-wrap {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  max-width: 840px;
  position: relative;
  z-index: 2;
}

.cta-headline {
  margin-bottom: clamp(1.25rem, 2.5vw, 2rem);
}

.cta-support {
  font-size: clamp(1.0625rem, 1.35vw, 1.25rem);
  color: var(--text-secondary);
  margin-bottom: clamp(2rem, 4vw, 3rem);
  max-width: 560px;
}

/* ==========================================================================
   Accessible Native <dialog> Project Inquiry Modal
   ========================================================================== */

.inquiry-dialog {
  border: 1px solid var(--border-default);
  background-color: var(--dialog-bg);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  padding: 0;
  max-width: 560px;
  width: calc(100% - 2rem);
  margin: auto;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.45);
  opacity: 0;
  transform: translateY(12px) scale(0.98);
  transition: opacity var(--transition-smooth), transform var(--transition-smooth), overlay var(--transition-smooth) allow-discrete, display var(--transition-smooth) allow-discrete;
}

.inquiry-dialog[open] {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.inquiry-dialog::backdrop {
  background-color: var(--dialog-backdrop);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  transition: opacity var(--transition-smooth);
}

.inquiry-dialog[open]::backdrop {
  opacity: 1;
}

.dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-default);
  background-color: var(--bg-primary);
}

.dialog-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

.dialog-close-btn {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xs);
  color: var(--text-secondary);
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.dialog-close-btn:hover {
  color: var(--text-primary);
  border-color: var(--text-primary);
}

.dialog-body {
  padding: 1.5rem;
}

.inquiry-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.form-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.form-control {
  width: 100%;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xs);
  padding: 0.75rem 0.95rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--text-primary);
  transition: border-color var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--border-focus);
}

.form-control::placeholder {
  color: var(--text-muted);
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

/* Project Type Pill Selection */
.project-type-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 0.45rem;
}

.project-type-option {
  position: relative;
}

.project-type-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.project-type-box {
  display: block;
  text-align: center;
  padding: 0.55rem 0.45rem;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xs);
  font-size: 0.78125rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.project-type-option input:checked + .project-type-box {
  border-color: var(--text-primary);
  background-color: var(--bg-surface);
  color: var(--text-primary);
  font-weight: 600;
}

.project-type-option input:focus-visible + .project-type-box {
  outline: 2px solid var(--text-primary);
}

/* Success Confirmation State */
.dialog-success-state {
  display: none;
  text-align: center;
  padding: 2rem 1rem;
}

.dialog-success-state.is-visible {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.85rem;
}

.success-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.35rem;
}

.success-headline {
  font-family: var(--font-display);
  font-size: 1.35rem;
  text-transform: uppercase;
}

.success-desc {
  color: var(--text-secondary);
  max-width: 380px;
  font-size: 0.9375rem;
}

/* ==========================================================================
   Responsive Adaptations
   ========================================================================== */

@media (max-width: 1024px) {
  .services-layout {
    grid-template-columns: 1fr;
  }

  .services-preview-panel {
    display: none;
  }

  .concept-card,
  .concept-card:nth-child(even) {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }

  .concept-card:nth-child(even) .concept-visual-wrap {
    order: 0;
  }

  .philosophy-grid {
    grid-template-columns: 1fr;
  }

  .philosophy-item {
    min-height: auto;
  }
}

@media (max-width: 768px) {
  .service-item-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.4rem;
  }

  .service-desc {
    padding-left: 0;
  }

  .process-step {
    grid-template-columns: 1fr;
    gap: 0.4rem;
  }

  .step-num {
    margin-bottom: -0.2rem;
  }

  .dialog-body {
    padding: 1.15rem;
  }

  .project-type-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* ==========================================================================
   Specular Liquid Chrome Sheen Interactive Effects
   ========================================================================== */

@keyframes metallicSheenSweep {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

.metallic-sheen-interactive {
  position: relative;
  overflow: hidden;
}

.metallic-sheen-interactive::after {
  content: '';
  position: absolute;
  top: 0;
  left: -120%;
  width: 60%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.35) 50%,
    transparent 100%
  );
  transform: skewX(-25deg);
  pointer-events: none;
  transition: opacity 0.3s ease;
  opacity: 0;
}

[data-theme="light"] .metallic-sheen-interactive::after {
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.75) 50%,
    transparent 100%
  );
}

.metallic-sheen-interactive:hover::after {
  opacity: 1;
  animation: metallicSheenSweep 1.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* ==========================================================================
   Next Step Delivery Pipeline (From brand_b.png)
   ========================================================================== */

.next-step-pipeline-wrap {
  margin-top: clamp(2.5rem, 5vw, 4rem);
  padding: clamp(1.75rem, 3.5vw, 2.75rem);
  border: 1px solid var(--border-default);
  background: var(--bg-surface);
  border-radius: var(--radius-sm);
  box-shadow: var(--metallic-bevel);
  position: relative;
  overflow: hidden;
}

.pipeline-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 2rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.pipeline-badge {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-primary);
  background: var(--metallic-pill-bg);
  border: 1px solid var(--metallic-pill-border);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-pill);
}

.pipeline-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: center;
  gap: clamp(1rem, 2vw, 2rem);
}

.pipeline-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 1.5rem;
  border: 1px solid var(--border-default);
  background: var(--bg-primary);
  border-radius: var(--radius-xs);
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
  position: relative;
}

.pipeline-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-hover);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

[data-theme="dark"] .pipeline-card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
}

.pipeline-card-icon-wrap {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xs);
  margin-bottom: 1rem;
  color: var(--text-primary);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.15);
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

[data-theme="light"] .pipeline-card-icon-wrap {
  background: linear-gradient(180deg, #FFFFFF 0%, #F0F3F7 100%);
  border-color: rgba(0, 0, 0, 0.12);
  color: #0A0D12;
  box-shadow: inset 0 1px 0 #FFFFFF, 0 2px 8px rgba(0, 20, 50, 0.06);
}

[data-theme="dark"] .pipeline-card-icon-wrap {
  background: linear-gradient(180deg, #1C2029 0%, #101318 100%);
  border-color: rgba(255, 255, 255, 0.18);
  color: #FFFFFF;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.25), 0 4px 14px rgba(0, 0, 0, 0.4);
}

.pipeline-card:hover .pipeline-card-icon-wrap {
  transform: translateY(-2px);
  border-color: var(--border-hover);
}

.pipeline-card-icon {
  width: 26px;
  height: 26px;
  display: block;
  color: currentColor;
  stroke: currentColor;
}

.pipeline-step-badge {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}

.pipeline-card-title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
  letter-spacing: -0.01em;
}

.pipeline-card-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.pipeline-arrow-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
}

.pipeline-arrow-icon {
  width: 28px;
  height: 28px;
  color: var(--text-muted);
  stroke: currentColor;
  opacity: 0.8;
  transition: transform var(--transition-fast), color var(--transition-fast), opacity var(--transition-fast);
}

.pipeline-card:hover + .pipeline-arrow-wrap .pipeline-arrow-icon {
  transform: translateX(4px);
  opacity: 1;
  color: var(--text-primary);
}

@media (max-width: 860px) {
  .pipeline-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .pipeline-arrow-wrap {
    transform: rotate(90deg);
    margin-block: 0.25rem;
  }
}