/* ==========================================================================
   O16 Labs - Case Studies Page Stylesheet
   Standalone, bulletproof, highly responsive styling for Case Studies page.
   ========================================================================== */

/* Page Wrapper */
.case-studies-page-wrapper {
  background-color: #F8FAFD;
  color: #111827;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.case-studies-page-wrapper * {
  box-sizing: border-box;
}

/* Fluid Container */
.case-container {
  width: 100%;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

@media (max-width: 640px) {
  .case-container {
    padding-left: 16px;
    padding-right: 16px;
  }
}

/* ==========================================
   HERO SECTION
   ========================================== */
.case-hero-section {
  background-color: #ffffff;
  border-bottom: 1px solid #E2E8F0;
  padding: 60px 0 70px;
  position: relative;
  overflow: hidden;
}

.case-hero-ambient {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.case-hero-ambient-blob {
  position: absolute;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 400px;
  background: radial-gradient(circle, rgba(8, 159, 232, 0.12) 0%, rgba(81, 178, 255, 0.05) 50%, transparent 70%);
  border-radius: 50%;
  filter: blur(40px);
}

.case-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.case-hero-tag {
  display: inline-block;
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: linear-gradient(135deg, #089DE5 0%, #087DBD 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin: 0 0 10px 0;
}

.case-hero-title {
  font-family: 'DM Sans', sans-serif;
  font-size: clamp(34px, 4.5vw, 54px);
  font-weight: 800;
  line-height: 1.15;
  color: #2B2B2B;
  margin: 0;
  letter-spacing: -0.02em;
}

.case-hero-desc {
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: #595959;
  margin: 0;
}

@media (max-width: 900px) {
  .case-hero-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .case-hero-section {
    padding: 40px 0 48px;
  }
}

/* ==========================================
   STICKY FILTER PILLS
   ========================================== */
.case-filter-nav {
  position: sticky;
  top: 74px;
  z-index: 40;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid #E2E8F0;
  padding: 14px 0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}

.case-filter-list {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 4px;
  margin: 0;
  list-style: none;
}

.case-filter-list::-webkit-scrollbar {
  display: none;
}

@media (max-width: 768px) {
  .case-filter-list {
    justify-content: flex-start;
  }
  .case-filter-nav {
    top: 68px;
    padding: 10px 0;
  }
}

.case-filter-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 20px;
  border-radius: 9999px;
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: #F1F5F9;
  color: #475569;
  border: 1px solid #CBD5E1;
  cursor: pointer;
  transition: all 0.25s ease;
  white-space: nowrap;
  outline: none;
}

.case-filter-pill:hover {
  background: #E2E8F0;
  color: #0F172A;
  transform: translateY(-1px);
}

.case-filter-pill.is-active {
  background: linear-gradient(135deg, #087DBD 0%, #089FE8 50%, #51B2FF 100%);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 4px 14px rgba(8, 125, 189, 0.35);
}

.case-filter-pill .pill-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 2px 7px;
  font-size: 11px;
  font-weight: 800;
  border-radius: 9999px;
  background: #E2E8F0;
  color: #64748B;
  transition: all 0.25s ease;
}

.case-filter-pill.is-active .pill-count {
  background: rgba(255, 255, 255, 0.25);
  color: #ffffff;
}

/* ==========================================
   SHOWCASE CARDS SECTION
   ========================================== */
.case-showcase-section {
  padding: 70px 0 90px;
  background-color: #F8FAFD;
}

.case-feature-card {
  background: #ffffff;
  border: 1px solid #CBD5E1;
  border-radius: 32px;
  padding: 48px;
  margin-bottom: 56px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease, border-color 0.3s ease;
  position: relative;
}

.case-feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -12px rgba(15, 23, 42, 0.09);
  border-color: #94A3B8;
}

.case-card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.case-card-grid.is-even .case-card-content {
  order: 2;
}

.case-card-grid.is-even .case-card-visual {
  order: 1;
}

@media (max-width: 992px) {
  .case-card-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .case-card-grid.is-even .case-card-content {
    order: 1;
  }
  .case-card-grid.is-even .case-card-visual {
    order: 2;
  }
  .case-feature-card {
    padding: 30px 24px;
    border-radius: 24px;
    margin-bottom: 36px;
  }
}

/* Card Content Column */
.case-card-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.case-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 9999px;
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: #F1F5F9;
  border: 1px solid #CBD5E1;
  color: #087DBD;
}

.case-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.case-client-logo-wrap {
  background: #ffffff;
  padding: 6px 14px;
  border-radius: 12px;
  border: 1px solid #E2E8F0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  display: flex;
  align-items: center;
  justify-content: center;
}

.case-client-logo-wrap img {
  height: 24px;
  width: auto;
  max-width: 90px;
  object-fit: contain;
}

.case-client-name {
  font-family: 'DM Sans', sans-serif;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #64748B;
  margin-bottom: 8px;
}

.case-card-headline {
  font-family: 'DM Sans', sans-serif;
  font-size: clamp(22px, 2.5vw, 30px);
  font-weight: 800;
  color: #111827;
  line-height: 1.25;
  margin: 0 0 16px 0;
}

.case-card-desc {
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  line-height: 1.65;
  color: #374151;
  margin: 0 0 24px 0;
}

/* Metrics Row */
.case-metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: 18px;
  padding: 16px;
  margin-bottom: 24px;
}

@media (max-width: 600px) {
  .case-metrics-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
}

.case-metric-cell {
  text-align: center;
  padding: 4px;
}

.case-metric-val {
  font-family: 'DM Sans', sans-serif;
  font-size: 22px;
  font-weight: 800;
  color: #087DBD;
  line-height: 1.2;
}

.case-metric-lbl {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  font-weight: 700;
  color: #4B5563;
  margin-top: 4px;
  line-height: 1.3;
}

/* Highlights List */
.case-highlights-list {
  list-style: none;
  padding: 0;
  margin: 0 0 24px 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.case-highlight-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-family: 'Inter', sans-serif;
  font-size: 13.5px;
  color: #1F2937;
  line-height: 1.5;
}

.case-check-icon {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #EBF6FC;
  color: #087DBD;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 12px;
  flex-shrink: 0;
  margin-top: 2px;
}

/* Tech Stack Tags */
.case-tech-stack {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 28px;
}

.case-tech-label {
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #64748B;
  margin-right: 4px;
}

.case-tech-tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 8px;
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  font-weight: 600;
  background: #F1F5F9;
  border: 1px solid #CBD5E1;
  color: #1E293B;
}

/* Action CTA Bar */
.case-card-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  padding-top: 20px;
  border-top: 1px solid #E2E8F0;
}

.case-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 9999px;
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  font-weight: 700;
  color: #ffffff !important;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(8, 125, 189, 0.25);
  transition: all 0.3s ease;
  text-decoration: none;
}

.case-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(8, 125, 189, 0.35);
  color: #ffffff !important;
}

.case-btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 9999px;
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  font-weight: 700;
  color: #087DBD;
  border: 1px solid rgba(8, 125, 189, 0.3);
  background: transparent;
  text-decoration: none;
  transition: all 0.25s ease;
}

.case-btn-secondary:hover {
  border-color: #087DBD;
  color: #089FE8;
}

/* Visual Column & Device Mockup Containment */
.case-card-visual {
  position: relative;
  width: 100%;
}

.case-visual-frame {
  min-height: 440px;
  max-height: 500px;
  padding: 40px;
  border-radius: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.02);
}

.case-mockup-wrap {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.case-mockup-pic {
  max-height: 350px !important;
  max-width: 88% !important;
  width: auto !important;
  height: auto !important;
  object-fit: contain !important;
  display: block !important;
  margin: 0 auto !important;
  filter: drop-shadow(0 20px 30px rgba(0, 0, 0, 0.14)) !important;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

.case-feature-card:hover .case-mockup-pic {
  transform: translateY(-6px) scale(1.03) !important;
}

@media (max-width: 600px) {
  .case-visual-frame {
    min-height: 280px;
    max-height: 340px;
    padding: 24px 16px;
  }
  .case-mockup-pic {
    max-height: 220px !important;
    max-width: 84% !important;
  }
}

/* ==========================================
   CONSULTATION FORM SECTION
   ========================================== */
.case-consultation-section {
  padding: 80px 0 100px;
  background-color: #F8FAFD;
  border-top: 1px solid #E2E8F0;
}

.case-consultation-card {
  background: #ffffff;
  border: 1px solid #CBD5E1;
  border-radius: 36px;
  padding: 56px;
  box-shadow: 0 16px 40px -12px rgba(15, 23, 42, 0.08);
}

.case-consultation-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}

@media (max-width: 992px) {
  .case-consultation-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .case-consultation-card {
    padding: 32px 24px;
    border-radius: 24px;
  }
}

.case-consultation-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.case-consultation-tag {
  display: inline-block;
  align-self: flex-start;
  padding: 6px 16px;
  border-radius: 9999px;
  background: #EBF6FC;
  border: 1px solid rgba(8, 159, 232, 0.3);
  color: #087DBD;
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.case-consultation-title {
  font-family: 'DM Sans', sans-serif;
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 800;
  color: #111827;
  line-height: 1.2;
  margin: 0;
}

.case-consultation-desc {
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: #374151;
  margin: 0;
}

.case-contact-badges {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-top: 24px;
  border-top: 1px solid #E2E8F0;
}

.case-contact-item {
  display: flex;
  align-items: center;
  gap: 14px;
  color: #111827;
}

.case-contact-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #EBF6FC;
  color: #087DBD;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  flex-shrink: 0;
}

.case-contact-lbl {
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #64748B;
}

.case-contact-val {
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: #111827;
  text-decoration: none;
  transition: color 0.2s ease;
}

.case-contact-val:hover {
  color: #087DBD;
}

/* Consultation Form Box */
.case-form-card {
  background: #F8FAFD;
  border: 1px solid #CBD5E1;
  border-radius: 24px;
  padding: 36px;
}

.case-form-title {
  font-family: 'DM Sans', sans-serif;
  font-size: 22px;
  font-weight: 800;
  color: #111827;
  margin: 0 0 6px 0;
}

.case-form-subtitle {
  font-family: 'Inter', sans-serif;
  font-size: 13.5px;
  color: #4B5563;
  margin: 0 0 24px 0;
}

.case-field-group {
  margin-bottom: 16px;
}

.case-field-label {
  display: block;
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #111827;
  margin-bottom: 6px;
}

.case-field-input,
.case-field-select {
  width: 100% !important;
  box-sizing: border-box !important;
  padding: 12px 16px !important;
  border-radius: 12px !important;
  border: 1.5px solid #CBD5E1 !important;
  background-color: #ffffff !important;
  font-family: 'Inter', sans-serif !important;
  font-size: 14px !important;
  line-height: 1.5 !important;
  color: #111827 !important;
  outline: none !important;
  transition: all 0.2s ease !important;
  display: block !important;
}

.case-field-input::placeholder {
  color: #94A3B8 !important;
  opacity: 1 !important;
}

.case-field-select option {
  color: #111827 !important;
  background-color: #ffffff !important;
}

.case-field-input:focus,
.case-field-select:focus {
  border-color: #089FE8 !important;
  box-shadow: 0 0 0 3px rgba(8, 159, 232, 0.15) !important;
}

.case-field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 600px) {
  .case-field-row {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

.case-submit-btn {
  width: 100% !important;
  padding: 14px 28px !important;
  border-radius: 9999px !important;
  background: linear-gradient(135deg, #087DBD 0%, #089FE8 50%, #51B2FF 100%) !important;
  color: #ffffff !important;
  font-family: 'DM Sans', sans-serif !important;
  font-size: 15px !important;
  font-weight: 700 !important;
  border: none !important;
  cursor: pointer !important;
  box-shadow: 0 4px 14px rgba(8, 125, 189, 0.25) !important;
  transition: all 0.3s ease !important;
  margin-top: 8px !important;
  display: block !important;
}

.case-submit-btn:hover {
  box-shadow: 0 8px 24px rgba(8, 125, 189, 0.35) !important;
  transform: translateY(-2px) !important;
}

/* ==========================================
   DEEP DIVE MODAL
   ========================================== */
.case-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.case-modal-overlay.hidden {
  display: none !important;
}

.case-modal-dialog {
  background: #ffffff;
  border-radius: 28px;
  width: 100%;
  max-width: 860px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 36px 40px;
  position: relative;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.25);
  border: 1px solid #CBD5E1;
  color: #111827;
}

@media (max-width: 640px) {
  .case-modal-dialog {
    padding: 24px 20px;
    border-radius: 20px;
  }
}

.case-modal-close {
  position: absolute;
  top: 24px;
  right: 24px;
  background: transparent;
  border: none;
  font-size: 32px;
  font-weight: 300;
  line-height: 1;
  color: #64748B;
  cursor: pointer;
  transition: color 0.2s ease;
  outline: none;
}

.case-modal-close:hover {
  color: #087DBD;
}

.case-modal-body {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.case-modal-header {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid #E2E8F0;
}

@media (min-width: 768px) {
  .case-modal-header {
    flex-direction: row;
    align-items: center;
  }
}

.case-modal-thumb-box {
  background: linear-gradient(135deg, #F8FAFC 0%, #EFF6FF 100%);
  border: 1px solid #CBD5E1;
  border-radius: 20px;
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 38%;
}

.case-modal-thumb-box img {
  max-height: 200px;
  object-fit: contain;
  filter: drop-shadow(0 12px 20px rgba(0, 0, 0, 0.12));
}

.case-modal-meta-box {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.case-modal-meta-cat {
  display: inline-block;
  align-self: flex-start;
  padding: 4px 12px;
  border-radius: 9999px;
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  background: #EBF6FC;
  color: #087DBD;
  border: 1px solid #CBD5E1;
}

.case-modal-meta-title {
  font-family: 'DM Sans', sans-serif;
  font-size: 26px;
  font-weight: 800;
  color: #111827;
  margin: 0;
  line-height: 1.2;
}

.case-modal-meta-headline {
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 700;
  color: #087DBD;
  margin: 0;
}

.case-modal-meta-desc {
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  line-height: 1.6;
  color: #374151;
  margin: 0;
}

.case-modal-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

@media (max-width: 600px) {
  .case-modal-metrics {
    grid-template-columns: repeat(2, 1fr);
  }
}

.case-modal-metric-card {
  text-align: center;
  padding: 14px;
  background: #F8FAFC;
  border: 1px solid #CBD5E1;
  border-radius: 16px;
}

.case-modal-blocks-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  padding: 20px;
  background: #F8FAFC;
  border: 1px solid #CBD5E1;
  border-radius: 18px;
}

@media (max-width: 768px) {
  .case-modal-blocks-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

.case-modal-section-h4 {
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #111827;
  margin: 0 0 12px 0;
}

.case-modal-footer {
  padding-top: 24px;
  border-top: 1px solid #E2E8F0;
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
}

@media (min-width: 640px) {
  .case-modal-footer {
    flex-direction: row;
  }
}