/* ========================================
   Case Study Modal - Premium Inline Experience
   ======================================== */

/* Modal Overlay */
.case-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 300; /* Modal level */
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1),
              visibility 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
  overscroll-behavior: contain;
}

.case-modal-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

/* Modal Container */
.case-modal {
  position: relative;
  width: 100%;
  max-width: 1100px;
  margin: 2rem auto;
  padding: 0;
  background: #fffcf5;
  border-radius: 24px;
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.25),
              0 16px 40px rgba(0, 0, 0, 0.15);
  transform: translateY(40px) scale(0.96);
  opacity: 0;
  transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1),
              opacity 0.4s ease-out;
  overflow: hidden;
}

.case-modal-overlay.is-open .case-modal {
  transform: translateY(0) scale(1);
  opacity: 1;
}

/* Close Button with gradient border */
.case-modal-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  z-index: 10;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 2px solid transparent;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.95) 0%, rgba(252, 252, 253, 0.9) 100%) padding-box,
    linear-gradient(180deg, rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.03)) border-box;
  background-clip: padding-box, border-box;
  border-radius: var(--radius-pill);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.25s ease;
  box-shadow:
    0 6px 16px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.8),
    inset 0 -1px 0 rgba(0, 0, 0, 0.03);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

@media (hover: hover) {
  .case-modal-close:hover {
    background:
      linear-gradient(180deg, rgba(255, 255, 255, 1) 0%, rgba(255, 255, 255, 0.98) 100%) padding-box,
      linear-gradient(180deg, rgba(0, 0, 0, 0.14), rgba(0, 0, 0, 0.05)) border-box;
    background-clip: padding-box, border-box;
    transform: scale(1.1) rotate(90deg);
    box-shadow:
      0 8px 20px rgba(0, 0, 0, 0.14),
      inset 0 1px 0 rgba(255, 255, 255, 1),
      inset 0 -1px 0 rgba(0, 0, 0, 0.04);
  }
}

.case-modal-close svg {
  width: 20px;
  height: 20px;
  stroke: #333;
  stroke-width: 2;
}

/* Modal Hero Section */
.case-modal-hero {
  position: relative;
  padding: 3rem 3rem 2rem;
  background: linear-gradient(135deg, var(--modal-theme, #FFC44D) 0%, var(--modal-theme-light, #FFE082) 100%);
  overflow: hidden;
}

.case-modal-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  opacity: 0.03;
  pointer-events: none;
}

.case-modal-hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.case-modal-hero-text {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.case-modal-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.case-modal-tag {
  padding: 0.35rem 0.75rem;
  background: rgba(255, 255, 255, 0.85);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: rgba(0, 0, 0, 0.7);
}

.case-modal-title {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.15;
  color: rgba(0, 0, 0, 0.9);
  letter-spacing: -0.02em;
  margin: 0;
}

.case-modal-subtitle {
  font-size: 1.125rem;
  line-height: 1.6;
  color: rgba(0, 0, 0, 0.7);
  margin: 0;
}

.case-modal-meta {
  display: flex;
  gap: 2rem;
  margin-top: 0.5rem;
}

.case-modal-meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.case-modal-meta-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(0, 0, 0, 0.5);
}

.case-modal-meta-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: rgba(0, 0, 0, 0.85);
}

.case-modal-hero-image {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.2);
}

.case-modal-hero-image img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* Impact Stats */
.case-modal-impact {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  padding: 2rem 3rem;
  background: #fff;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.case-modal-stat {
  text-align: center;
  padding: 1.5rem;
  background: linear-gradient(135deg, #f8f7f4 0%, #fff 100%);
  border-radius: 16px;
  border: 1px solid rgba(0, 0, 0, 0.04);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

@media (hover: hover) {
  .case-modal-stat:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  }
}

.case-modal-stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--modal-theme, #FFC44D);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.case-modal-stat-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: rgba(0, 0, 0, 0.6);
  line-height: 1.4;
}

/* Modal Body */
.case-modal-body {
  padding: 3rem;
}

/* Section Styles */
.case-modal-section {
  margin-bottom: 3rem;
}

.case-modal-section:last-child {
  margin-bottom: 0;
}

.case-modal-section-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.case-modal-section-icon {
  width: 40px;
  height: 40px;
  background: var(--modal-theme-light, #FFF3E0);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.case-modal-section-icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--modal-theme, #FFC44D);
  stroke-width: 2;
}

.case-modal-section-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #1a1a1a;
  letter-spacing: -0.01em;
  margin: 0;
}

.case-modal-section-content {
  padding-left: 3.5rem;
}

/* Overview Grid */
.case-modal-overview-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.case-modal-overview-card {
  padding: 1.5rem;
  background: #f9f8f5;
  border-radius: 16px;
  border: 1px solid rgba(0, 0, 0, 0.04);
}

.case-modal-overview-card h4 {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--modal-theme, #FFC44D);
  margin: 0 0 0.75rem;
}

.case-modal-overview-card p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: rgba(0, 0, 0, 0.75);
  margin: 0;
}

.case-modal-overview-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.case-modal-overview-card li {
  font-size: 0.9rem;
  line-height: 1.5;
  color: rgba(0, 0, 0, 0.7);
  padding-left: 1.25rem;
  position: relative;
}

.case-modal-overview-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  background: var(--modal-theme, #FFC44D);
  border-radius: var(--radius-pill);
}

/* Process Timeline */
.case-modal-process {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.case-modal-process-step {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 1.5rem;
  padding: 1.5rem;
  background: #fff;
  border-radius: 16px;
  border: 1px solid rgba(0, 0, 0, 0.06);
  transition: all var(--duration-slow) var(--ease-smooth);
}

@media (hover: hover) {
  .case-modal-process-step:hover {
    border-color: var(--modal-theme, #FFC44D);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
  }
}

.case-modal-process-phase {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-top: 0.25rem;
}

.case-modal-process-number {
  width: 36px;
  height: 36px;
  background: var(--modal-theme, #FFC44D);
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: rgba(0, 0, 0, 0.8);
  margin-bottom: 0.5rem;
}

.case-modal-process-name {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(0, 0, 0, 0.5);
}

.case-modal-process-content h4 {
  font-size: 1rem;
  font-weight: 600;
  color: #1a1a1a;
  margin: 0 0 0.5rem;
}

.case-modal-process-content p {
  font-size: 0.9rem;
  line-height: 1.6;
  color: rgba(0, 0, 0, 0.65);
  margin: 0;
}

.case-modal-process-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.case-modal-process-highlight {
  padding: 0.35rem 0.75rem;
  background: var(--modal-theme-light, #FFF3E0);
  border-radius: 8px;
  font-size: 0.75rem;
  font-weight: 500;
  color: rgba(0, 0, 0, 0.7);
}

/* Reflection Section */
.case-modal-reflection {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.case-modal-reflection-card {
  padding: 1.5rem;
  background: linear-gradient(135deg, #f9f8f5 0%, #fff 100%);
  border-radius: 16px;
  border: 1px solid rgba(0, 0, 0, 0.04);
}

.case-modal-reflection-card h4 {
  font-size: 0.85rem;
  font-weight: 700;
  color: #1a1a1a;
  margin: 0 0 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.case-modal-reflection-card h4::before {
  content: '';
  width: 4px;
  height: 16px;
  background: var(--modal-theme, #FFC44D);
  border-radius: 2px;
}

.case-modal-reflection-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.case-modal-reflection-card li {
  font-size: 0.875rem;
  line-height: 1.55;
  color: rgba(0, 0, 0, 0.7);
}

/* Footer Actions */
.case-modal-footer {
  padding: 2rem 3rem;
  background: #f9f8f5;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.case-modal-footer-text {
  font-size: 0.9rem;
  color: rgba(0, 0, 0, 0.6);
}

.case-modal-footer-actions {
  display: flex;
  gap: 1rem;
}

.case-modal-btn {
  padding: 0.75rem 1.5rem;
  border-radius: 12px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.case-modal-btn-primary {
  background: var(--modal-theme, #FFC44D);
  border: none;
  color: rgba(0, 0, 0, 0.85);
}

@media (hover: hover) {
  .case-modal-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
  }
}

.case-modal-btn-secondary {
  background: transparent;
  border: 1.5px solid rgba(0, 0, 0, 0.15);
  color: rgba(0, 0, 0, 0.7);
}

@media (hover: hover) {
  .case-modal-btn-secondary:hover {
    background: #fff;
    border-color: rgba(0, 0, 0, 0.25);
  }
}

/* External Link State */
.case-modal-external {
  text-align: center;
  padding: 4rem 3rem;
}

.case-modal-external-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  background: var(--modal-theme-light, #FFF3E0);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.case-modal-external-icon svg {
  width: 36px;
  height: 36px;
  stroke: var(--modal-theme, #FFC44D);
  stroke-width: 1.5;
}

.case-modal-external h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #1a1a1a;
  margin: 0 0 0.75rem;
}

.case-modal-external p {
  font-size: 1rem;
  line-height: 1.6;
  color: rgba(0, 0, 0, 0.6);
  margin: 0 0 1.5rem;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

/* Loading State */
.case-modal-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 6rem 3rem;
  text-align: center;
}

.case-modal-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid rgba(0, 0, 0, 0.1);
  border-top-color: var(--modal-theme, #FFC44D);
  border-radius: var(--radius-pill);
  animation: modalSpinner 0.8s linear infinite;
  margin-bottom: 1rem;
}

@keyframes modalSpinner {
  to { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 900px) {
  .case-modal {
    margin: 1rem;
    max-width: calc(100% - 2rem);
    border-radius: 20px;
  }

  .case-modal-hero {
    padding: 2rem;
  }

  .case-modal-hero-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .case-modal-hero-image {
    order: -1;
  }

  .case-modal-title {
    font-size: 1.75rem;
  }

  .case-modal-impact {
    grid-template-columns: 1fr;
    padding: 1.5rem 2rem;
  }

  .case-modal-body {
    padding: 2rem;
  }

  .case-modal-section-content {
    padding-left: 0;
  }

  .case-modal-overview-grid {
    grid-template-columns: 1fr;
  }

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

  .case-modal-process-phase {
    flex-direction: row;
    justify-content: flex-start;
    gap: 0.75rem;
  }

  .case-modal-reflection {
    grid-template-columns: 1fr;
  }

  .case-modal-footer {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
    padding: 1.5rem 2rem;
  }

  .case-modal-close {
    top: 0.75rem;
    right: 0.75rem;
    width: 40px;
    height: 40px;
  }
}

@media (max-width: 600px) {
  .case-modal-hero {
    padding: 1.5rem;
  }

  .case-modal-title {
    font-size: 1.5rem;
  }

  .case-modal-meta {
    flex-direction: column;
    gap: 1rem;
  }

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

  .case-modal-section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .case-modal-stat-value {
    font-size: 1.5rem;
  }
}

/* Dark Mode */
[data-theme="dark"] .case-modal {
  background: #0a0d14;
}

[data-theme="dark"] .case-modal-hero {
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--modal-theme, #FFC44D) 30%, #0a0d14) 0%,
    color-mix(in srgb, var(--modal-theme, #FFC44D) 15%, #0a0d14) 100%);
}

[data-theme="dark"] .case-modal-tag {
  background: rgba(0, 0, 0, 0.4);
  color: rgba(255, 255, 255, 0.85);
}

[data-theme="dark"] .case-modal-title {
  color: #fff;
}

[data-theme="dark"] .case-modal-subtitle {
  color: rgba(255, 255, 255, 0.7);
}

[data-theme="dark"] .case-modal-meta-label {
  color: rgba(255, 255, 255, 0.5);
}

[data-theme="dark"] .case-modal-meta-value {
  color: rgba(255, 255, 255, 0.9);
}

[data-theme="dark"] .case-modal-impact {
  background: rgba(15, 22, 41, 0.6);
  border-color: rgba(100, 150, 255, 0.08);
}

[data-theme="dark"] .case-modal-stat {
  background: linear-gradient(135deg, rgba(15, 22, 41, 0.8) 0%, rgba(10, 13, 20, 0.9) 100%);
  border-color: rgba(100, 150, 255, 0.08);
}

[data-theme="dark"] .case-modal-stat-label {
  color: rgba(255, 255, 255, 0.6);
}

[data-theme="dark"] .case-modal-section-title {
  color: #fff;
}

[data-theme="dark"] .case-modal-section-icon {
  background: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .case-modal-overview-card {
  background: rgba(15, 22, 41, 0.7);
  border-color: rgba(100, 150, 255, 0.08);
}

[data-theme="dark"] .case-modal-overview-card h4 {
  color: var(--modal-theme, #FFC44D);
}

[data-theme="dark"] .case-modal-overview-card p,
[data-theme="dark"] .case-modal-overview-card li {
  color: rgba(255, 255, 255, 0.7);
}

[data-theme="dark"] .case-modal-process-step {
  background: rgba(15, 22, 41, 0.7);
  border-color: rgba(100, 150, 255, 0.08);
}

[data-theme="dark"] .case-modal-process-content h4 {
  color: #fff;
}

[data-theme="dark"] .case-modal-process-content p {
  color: rgba(255, 255, 255, 0.65);
}

[data-theme="dark"] .case-modal-process-name {
  color: rgba(255, 255, 255, 0.5);
}

[data-theme="dark"] .case-modal-process-highlight {
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.8);
}

[data-theme="dark"] .case-modal-reflection-card {
  background: linear-gradient(135deg, rgba(15, 22, 41, 0.8) 0%, rgba(10, 13, 20, 0.9) 100%);
  border-color: rgba(100, 150, 255, 0.08);
}

[data-theme="dark"] .case-modal-reflection-card h4 {
  color: #fff;
}

[data-theme="dark"] .case-modal-reflection-card li {
  color: rgba(255, 255, 255, 0.7);
}

[data-theme="dark"] .case-modal-footer {
  background: rgba(15, 22, 41, 0.8);
  border-color: rgba(100, 150, 255, 0.08);
}

[data-theme="dark"] .case-modal-footer-text {
  color: rgba(255, 255, 255, 0.5);
}

[data-theme="dark"] .case-modal-btn-secondary {
  border-color: rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.8);
}

@media (hover: hover) {
  [data-theme="dark"] .case-modal-btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.3);
  }
}

[data-theme="dark"] .case-modal-close {
  border: 2px solid transparent;
  background:
    linear-gradient(180deg, rgba(25, 32, 50, 0.95) 0%, rgba(20, 26, 42, 0.9) 100%) padding-box,
    linear-gradient(180deg, rgba(140, 182, 255, 0.28), rgba(140, 182, 255, 0.08)) border-box;
  background-clip: padding-box, border-box;
  box-shadow:
    0 8px 20px rgba(0, 0, 0, 0.5),
    inset 0 1px 0 rgba(140, 182, 255, 0.18),
    inset 0 -1px 0 rgba(0, 0, 0, 0.3),
    0 0 0 1px rgba(140, 182, 255, 0.1);
}

[data-theme="dark"] .case-modal-close svg {
  stroke: #fff;
}

@media (hover: hover) {
  [data-theme="dark"] .case-modal-close:hover {
    background:
      linear-gradient(180deg, rgba(30, 38, 58, 0.98) 0%, rgba(25, 32, 50, 0.95) 100%) padding-box,
      linear-gradient(180deg, rgba(140, 182, 255, 0.38), rgba(140, 182, 255, 0.12)) border-box;
    background-clip: padding-box, border-box;
    box-shadow:
      0 10px 26px rgba(0, 0, 0, 0.6),
      inset 0 1px 0 rgba(140, 182, 255, 0.25),
      inset 0 -1px 0 rgba(0, 0, 0, 0.35),
      0 0 0 1px rgba(140, 182, 255, 0.15);
  }
}

[data-theme="dark"] .case-modal-external h3 {
  color: #fff;
}

[data-theme="dark"] .case-modal-external p {
  color: rgba(255, 255, 255, 0.6);
}

[data-theme="dark"] .case-modal-external-icon {
  background: rgba(255, 255, 255, 0.08);
}

/* Scroll Lock for body */
body.case-modal-open {
  overflow: hidden;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  .case-modal-overlay,
  .case-modal,
  .case-modal-close,
  .case-modal-stat,
  .case-modal-process-step {
    transition: none;
  }
}