/* ==========================================================================
   TechProGigs Page Layouts — Service Detail, Industry Detail, Case Study,
   Engagement Models, Contact Form & Supporting Pages
   Brand: TechProGigs
   ========================================================================== */

/* Page Hero Banner */
.tpg-page-hero {
  background-color: var(--tpg-white);
  color: var(--tpg-text);
  padding: 4.5rem 0 3.5rem 0;
  border-bottom: 1px solid var(--tpg-border);
  position: relative;
}

.tpg-page-hero h1 {
  color: var(--tpg-text-heading);
  font-size: 2.75rem;
  margin-bottom: 1rem;
}

.tpg-page-hero-desc {
  font-size: 1.15rem;
  color: var(--tpg-text-body);
  max-width: 760px;
  line-height: 1.65;
}

.tpg-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--tpg-fs-xs);
  color: var(--tpg-text-muted);
  margin-bottom: 1.25rem;
}

.tpg-breadcrumb a {
  color: var(--tpg-text-muted);
  transition: color var(--tpg-transition-fast);
}

.tpg-breadcrumb a:hover {
  color: var(--tpg-accent);
}

.tpg-breadcrumb-separator {
  opacity: 0.5;
}

/* Service & Industry Detail Split */
.tpg-detail-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 3.5rem;
  align-items: flex-start;
}

.tpg-detail-content {
  font-size: 1.05rem;
  line-height: 1.7;
}

.tpg-detail-content h2 {
  font-size: 1.85rem;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  color: var(--tpg-secondary);
}

.tpg-detail-content h2:first-child {
  margin-top: 0;
}

.tpg-detail-content h3 {
  font-size: 1.35rem;
  margin-top: 1.75rem;
  margin-bottom: 0.75rem;
}

.tpg-detail-sidebar {
  position: sticky;
  top: 100px;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.tpg-sidebar-widget {
  background-color: var(--tpg-white);
  border: 1px solid var(--tpg-border);
  border-radius: var(--tpg-radius-md);
  padding: 1.75rem;
}

.tpg-sidebar-widget h4 {
  font-size: 1.15rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--tpg-border);
}

.tpg-sidebar-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.tpg-sidebar-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0;
  font-size: 0.95rem;
  color: var(--tpg-text-body);
  border-bottom: 1px dashed rgba(127, 131, 117, 0.15);
}

.tpg-sidebar-link:hover {
  color: var(--tpg-accent);
}

/* Checklist / Feature List */
.tpg-checklist {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin: 1.5rem 0;
}

.tpg-checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 1rem;
  color: var(--tpg-text-body);
}

.tpg-checklist-icon {
  width: 20px;
  height: 20px;
  color: var(--tpg-accent);
  stroke: var(--tpg-accent);
  flex-shrink: 0;
  margin-top: 0.2rem;
}

/* Engagement Models Cards */
.tpg-model-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.tpg-model-card {
  background-color: var(--tpg-white);
  border: 1px solid var(--tpg-border);
  border-radius: var(--tpg-radius-md);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all var(--tpg-transition-base);
}

.tpg-model-card.is-featured {
  border-color: var(--tpg-accent);
  box-shadow: var(--tpg-shadow-lg);
  transform: scale(1.02);
}

.tpg-model-tag {
  position: absolute;
  top: -12px;
  right: 24px;
  background-color: var(--tpg-accent);
  color: #0F1412;
  font-family: var(--tpg-font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.75rem;
  border-radius: var(--tpg-radius-pill);
}

.tpg-model-header {
  margin-bottom: 1.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--tpg-border);
}

.tpg-model-title {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.tpg-model-desc {
  font-size: 0.95rem;
  color: var(--tpg-text-muted);
}

/* Contact Form Architecture */
.tpg-contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3.5rem;
  align-items: flex-start;
}

.tpg-form-card {
  background-color: var(--tpg-white);
  border: 1px solid var(--tpg-border);
  border-radius: var(--tpg-radius-md);
  padding: 2.5rem;
  box-shadow: var(--tpg-shadow-sm);
}

.tpg-form-group {
  margin-bottom: 1.5rem;
}

.tpg-form-label {
  display: block;
  font-family: var(--tpg-font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--tpg-text-heading);
  margin-bottom: 0.5rem;
}

.tpg-form-control {
  width: 100%;
  padding: 0.85rem 1rem;
  font-family: var(--tpg-font-body);
  font-size: 1rem;
  border: 1px solid var(--tpg-border);
  border-radius: var(--tpg-radius-sm);
  background-color: var(--tpg-bg-light);
  color: var(--tpg-text-heading);
  transition: border-color var(--tpg-transition-fast), box-shadow var(--tpg-transition-fast);
}

.tpg-form-control:focus {
  outline: none;
  border-color: var(--tpg-primary);
  background-color: #FFFFFF;
  box-shadow: 0 0 0 3px rgba(127, 131, 117, 0.15);
}

textarea.tpg-form-control {
  min-height: 140px;
  resize: vertical;
}

.tpg-contact-info-card {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.tpg-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.tpg-contact-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--tpg-radius-sm);
  background-color: var(--tpg-primary-light);
  color: var(--tpg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.tpg-contact-icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--tpg-accent);
}

.tpg-contact-text h5 {
  font-size: 1.05rem;
  margin-bottom: 0.2rem;
}

.tpg-contact-text p {
  font-size: 0.9rem;
  color: var(--tpg-text-muted);
  margin: 0;
}

/* Legal / Supporting Document Pages */
.tpg-legal-box {
  background-color: var(--tpg-white);
  border: 1px solid var(--tpg-border);
  border-radius: var(--tpg-radius-md);
  padding: 3rem;
  margin-top: -2rem;
  box-shadow: var(--tpg-shadow-sm);
}

.tpg-legal-box h2 {
  font-size: 1.6rem;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

.tpg-legal-box h2:first-child {
  margin-top: 0;
}

.tpg-legal-box p {
  margin-bottom: 1.25rem;
  color: var(--tpg-text-body);
}

/* 404 Error Page */
.tpg-404-container {
  text-align: center;
  padding: 6rem 1.5rem;
  max-width: 650px;
  margin: 0 auto;
}

.tpg-404-code {
  font-family: var(--tpg-font-heading);
  font-size: 7rem;
  font-weight: 700;
  color: var(--tpg-primary);
  line-height: 1;
  margin-bottom: 1.5rem;
  letter-spacing: -0.04em;
}

/* Responsive Breakpoints for Pages */
@media (max-width: 1024px) {
  .tpg-detail-layout,
  .tpg-contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .tpg-model-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .tpg-model-card.is-featured {
    transform: none;
  }
}

@media (max-width: 768px) {
  .tpg-page-hero {
    padding: 3rem 0;
  }
  .tpg-page-hero h1 {
    font-size: 2.15rem;
  }
  .tpg-model-grid {
    grid-template-columns: 1fr;
  }
  .tpg-legal-box,
  .tpg-form-card {
    padding: 1.5rem;
    margin-top: 0;
  }
}