/* ============================================================
   EFORGE — Page-Specific Styles
   ============================================================ */

/* --- HOMEPAGE: Hero Visual --- */
.hero-visual {
  background: var(--bg-dark);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255,255,255,0.06);
  overflow: hidden;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.8125rem;
}
.hero-terminal-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.terminal-dot.red { background: #EF4444; }
.terminal-dot.yellow { background: #EAB308; }
.terminal-dot.green { background: #22C55E; }
.hero-terminal-body {
  padding: 20px;
  color: rgba(255,255,255,0.7);
  line-height: 1.8;
  min-height: 280px;
}
.hero-terminal-body .prompt { color: var(--brand-light); }
.hero-terminal-body .response { color: rgba(255,255,255,0.85); }
.hero-terminal-body .highlight { color: #22C55E; }
.hero-terminal-body .dim { color: rgba(255,255,255,0.3); }

/* --- HOMEPAGE: Split Layout --- */
.split-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}
.split-layout.reverse { direction: rtl; }
.split-layout.reverse > * { direction: ltr; }

@media (max-width: 768px) {
  .split-layout, .split-layout.reverse { grid-template-columns: 1fr; direction: ltr; }
}

/* --- HOMEPAGE: Capabilities Grid --- */
.capability-card {
  padding: var(--space-2xl);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  height: 100%;
}
.capability-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.capability-card .card-icon {
  width: 44px;
  height: 44px;
  font-size: 1.125rem;
}
.capability-card h3 {
  font-size: 1.125rem;
  margin-bottom: 8px;
}
.capability-card p {
  font-size: 0.9375rem;
  color: var(--text-tertiary);
  line-height: 1.6;
  flex: 1;
}
.capability-card .link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: var(--space-md);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--brand);
  transition: gap var(--transition-fast);
}
.capability-card:hover .link-arrow { gap: 10px; }

/* --- HOMEPAGE: Integration Logos --- */
.integration-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}
.integration-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 450;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}
.integration-chip:hover {
  border-color: var(--brand);
  color: var(--brand);
  background: var(--brand-subtle);
}
.integration-chip svg {
  width: 18px;
  height: 18px;
}

/* --- HOMEPAGE: Project Cards --- */
.project-card-lg {
  grid-column: span 2;
  padding: var(--space-2xl);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}
.project-card-lg:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md);
}
.project-card-sm {
  padding: var(--space-xl);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}
.project-card-sm:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-sm);
}
.project-badge {
  display: inline-block;
  padding: 4px 10px;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
}
.project-badge.product { background: #DBEAFE; color: #1E40AF; }
.project-badge.open-source { background: #DCFCE7; color: #166534; }
.project-badge.experimental { background: #FEF3C7; color: #92400E; }
.project-badge.research { background: #F3E8FF; color: #6B21A8; }

/* --- HOMEPAGE: Tech Categories --- */
.tech-category {
  margin-bottom: var(--space-2xl);
}
.tech-category h4 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-md);
}

/* --- CHAT DEMO --- */
.chat-demo {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-width: 480px;
}
.chat-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  gap: 10px;
}
.chat-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--brand);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-size: 0.75rem;
}
.chat-messages {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 280px;
}
.chat-msg {
  max-width: 85%;
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 0.9375rem;
  line-height: 1.5;
}
.chat-msg.user {
  align-self: flex-end;
  background: var(--text-primary);
  color: white;
  border-bottom-right-radius: 4px;
}
.chat-msg.ai {
  align-self: flex-start;
  background: var(--bg-secondary);
  color: var(--text-primary);
  border-bottom-left-radius: 4px;
}
.chat-kpi-row {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}
.chat-kpi {
  padding: 10px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  flex: 1;
}
.chat-kpi .kpi-label {
  font-size: 0.6875rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.chat-kpi .kpi-value {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 2px;
}
.chat-chart-placeholder {
  margin-top: 12px;
  height: 120px;
  background: linear-gradient(180deg, var(--brand-subtle) 0%, transparent 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: flex-end;
  padding: 12px;
  gap: 4px;
}
.chart-bar {
  flex: 1;
  background: var(--brand);
  border-radius: 3px 3px 0 0;
  opacity: 0.7;
  min-height: 8px;
}

/* --- WORKFLOW VISUAL --- */
.workflow-visual {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 400px;
}
.workflow-node {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-weight: 450;
}
.workflow-node-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}
.workflow-connector {
  width: 2px;
  height: 24px;
  background: var(--border);
  margin-left: 35px;
}

/* --- ARCHITECTURE DIAGRAM --- */
.arch-diagram {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xl);
  padding: var(--space-2xl);
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}
.arch-row {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  justify-content: center;
}
.arch-box {
  padding: 14px 22px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  text-align: center;
}
.arch-box.brand {
  background: var(--brand);
  color: white;
  border-color: var(--brand);
}
.arch-box.dark {
  background: var(--bg-dark);
  color: white;
  border-color: var(--bg-dark);
}
.arch-arrow {
  color: var(--text-tertiary);
  font-size: 1.5rem;
  line-height: 1;
}

/* --- INDUSTRY CARDS --- */
.industry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}
.industry-chip {
  padding: 14px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 450;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  text-align: center;
}
.industry-chip:hover {
  border-color: var(--brand);
  color: var(--brand);
  background: var(--brand-subtle);
}

/* --- CATEGORY TABS --- */
.category-nav {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: var(--space-2xl);
}
.category-btn {
  padding: 10px 20px;
  font-size: 0.875rem;
  font-weight: 450;
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  cursor: pointer;
}
.category-btn:hover, .category-btn.active {
  border-color: var(--text-primary);
  color: var(--text-primary);
  background: var(--bg-card);
}

/* --- PIPELINE STEPS --- */
.pipeline {
  display: flex;
  align-items: stretch;
  gap: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.pipeline-step {
  flex: 1;
  min-width: 140px;
  padding: var(--space-lg) var(--space-md);
  background: var(--bg-card);
  border: 1px solid var(--border);
  text-align: center;
  position: relative;
}
.pipeline-step:first-child { border-radius: var(--radius-md) 0 0 var(--radius-md); }
.pipeline-step:last-child { border-radius: 0 var(--radius-md) var(--radius-md) 0; }
.pipeline-step .step-num {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--brand);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}
.pipeline-step h4 {
  font-size: 0.9375rem;
  font-weight: 500;
}

/* --- CASE STUDY CARD --- */
.case-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}
.case-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.case-card-img {
  height: 200px;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
  font-size: 0.875rem;
}
.case-card-body {
  padding: var(--space-xl);
}
.case-card-meta {
  display: flex;
  gap: 8px;
  margin-bottom: var(--space-md);
}
.case-card-body h3 {
  font-size: 1.125rem;
  margin-bottom: 8px;
}
.case-card-body p {
  font-size: 0.9375rem;
  color: var(--text-tertiary);
  line-height: 1.6;
}
.case-card-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: var(--space-md);
}

/* --- NEOAI: Use Case Explorer --- */
.usecase-explorer {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: var(--space-xl);
  min-height: 500px;
}
.usecase-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-right: 1px solid var(--border);
  padding-right: var(--space-xl);
}
.usecase-nav-item {
  padding: 10px 14px;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.usecase-nav-item:hover { background: var(--bg-secondary); color: var(--text-primary); }
.usecase-nav-item.active { background: var(--brand-subtle); color: var(--brand); font-weight: 500; }
.usecase-detail {
  padding: var(--space-lg);
}
@media (max-width: 768px) {
  .usecase-explorer { grid-template-columns: 1fr; }
  .usecase-nav { flex-direction: row; overflow-x: auto; border-right: none; padding-right: 0; border-bottom: 1px solid var(--border); padding-bottom: var(--space-md); }
}

/* --- PRIVATE AI: Data Flow --- */
.data-flow {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
  justify-content: center;
}
.data-source {
  padding: 12px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 450;
}

/* --- ABOUT: Values --- */
.value-card {
  padding: var(--space-2xl);
  border-left: 3px solid var(--brand);
  background: var(--bg-secondary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.value-card h3 {
  font-size: 1.125rem;
  margin-bottom: 8px;
}
.value-card p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

/* --- CONTACT FORM --- */
.contact-form {
  max-width: 560px;
}
.form-group {
  margin-bottom: var(--space-lg);
}
.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 6px;
}
.form-input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  background: var(--bg-card);
  transition: border-color var(--transition-fast);
}
.form-input:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}
.form-input::placeholder {
  color: var(--text-tertiary);
}
textarea.form-input {
  min-height: 120px;
  resize: vertical;
}
select.form-input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%2394A3B8' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

/* --- PROJECTS GRID (homepage) --- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
@media (max-width: 1024px) {
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .project-card-lg { grid-column: span 1 !important; }
  .hero-content { max-width: 100%; }
}
@media (max-width: 640px) {
  .projects-grid { grid-template-columns: 1fr; }
  .project-card-lg { grid-column: span 1 !important; }
}

/* Force all fixed-column grids to stack on small screens */
@media (max-width: 640px) {
  div[style*="grid-template-columns:repeat(2,1fr)"],
  div[style*="grid-template-columns: repeat(2, 1fr)"],
  div[style*="grid-template-columns:repeat(4,1fr)"],
  div[style*="grid-template-columns: repeat(4, 1fr)"],
  div[style*="grid-template-columns:repeat(3,1fr)"],
  div[style*="grid-template-columns: repeat(3, 1fr)"] {
    grid-template-columns: 1fr !important;
  }
  .project-card-lg,
  .project-card-sm {
    grid-column: span 1 !important;
  }
}

/* --- RESPONSIVE: Chat Demo --- */
@media (max-width: 768px) {
  .chat-demo { max-width: 100%; }
  .chat-kpi-row { flex-direction: column; }
  .arch-diagram { padding: var(--space-lg); }
  .arch-row { gap: 8px; }
  .arch-box { padding: 10px 14px; font-size: 0.8125rem; }
  .pipeline { flex-wrap: wrap; }
  .pipeline-step { min-width: 120px; }
  .industry-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
}

/* --- GRADIENT ACCENT --- */
.gradient-text {
  background: linear-gradient(135deg, #083588 0%, #1273CA 40%, #0DD1F8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- HERO GRADIENT BG (dark variant) --- */
.hero-dark {
  background: linear-gradient(135deg, #020617 0%, #083588 100%);
  color: white;
}
.hero-dark h1 { color: white; }
.hero-dark .body-lg { color: rgba(255,255,255,0.7); }
.hero-dark .badge { background: rgba(255,255,255,0.1); color: var(--brand-accent); }

/* --- PAGE HERO DARK VARIANT --- */
.page-hero-dark {
  background: linear-gradient(135deg, #020617 0%, #083588 100%);
  color: white;
  border-bottom: none;
}
.page-hero-dark h1 { color: white; }
.page-hero-dark .body-lg { color: rgba(255,255,255,0.7); }
.page-hero-dark .breadcrumb { color: rgba(255,255,255,0.5); }
.page-hero-dark .breadcrumb a { color: rgba(255,255,255,0.5); }
.page-hero-dark .breadcrumb a:hover { color: white; }
.page-hero-dark .breadcrumb .current { color: white; }
.page-hero-dark .badge { background: rgba(255,255,255,0.1); color: var(--brand-accent); }

/* --- LINK ARROW (used by capability cards) --- */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--brand);
  transition: gap var(--transition-fast);
  margin-top: var(--space-md);
}

/* --- INLINE ICON --- */
.inline-icon {
  display: inline-flex;
  width: 20px;
  height: 20px;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* --- TWO COLUMN LIST --- */
.two-col-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 24px;
}
@media (max-width: 768px) {
  .two-col-list { grid-template-columns: 1fr; }
}
.two-col-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-light);
}
.two-col-list li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand);
  flex-shrink: 0;
}