/**
 * Case Studies Section
 */

.cases-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  max-width: 900px;
  margin: 0 auto;
}

.case-card {
  background: var(--surface-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  transition: border-color 0.5s ease, box-shadow 0.5s ease;
  position: relative;
  display: flex;
  flex-direction: column;
}

.case-card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 0 40px rgba(104, 42, 233, 0.08);
}

.case-card__num {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 900;
  color: rgba(104, 42, 233, 0.15);
  position: absolute;
  top: 1.5rem;
  right: 2rem;
  line-height: 1;
}

/* Logo Section */
.case-card__logo-section {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(104, 42, 233, 0.1);
  min-height: 60px;
}

.case-card__logo {
  max-width: 180px;
  max-height: 50px;
  object-fit: contain;
  filter: brightness(1.1) saturate(0.95);
  transition: filter 0.3s ease;
}

.case-card:hover .case-card__logo {
  filter: brightness(1.2) saturate(1.1);
}

/* Demo Section */
.case-card__demo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  padding: 0.75rem 1rem;
  background: rgba(104, 42, 233, 0.05);
  border: 1px solid rgba(104, 42, 233, 0.1);
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
}

.case-card:hover .case-card__demo {
  background: rgba(104, 42, 233, 0.1);
  border-color: rgba(104, 42, 233, 0.2);
}

.case-card__demo-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--purple);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  transition: all 0.3s ease;
  cursor: pointer;
  width: 100%;
  background: none;
  border: none;
  padding: 0;
}

.case-card__demo-link:hover {
  gap: 0.75rem;
  transform: translateX(4px);
}

.demo-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  opacity: 0.8;
  transition: opacity 0.3s ease;
}

.case-card__demo-link:hover .demo-icon {
  opacity: 1;
}

/* Video Embed Container (for optional inline videos) */
.case-card__video-container {
  width: 100%;
  margin-bottom: 1.5rem;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #000;
  aspect-ratio: 16 / 9;
}

.case-card__video-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.case-card__title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
  letter-spacing: -0.01em;
  margin-top: 0.5rem;
}

.case-card__meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--purple);
  letter-spacing: 0.06em;
  margin-bottom: 1.5rem;
}

.case-card__body {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.case-card__block h4 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-secondary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}

.case-card__block p {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.case-card__stack {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  margin-top: auto;
}

@media (max-width: 768px) {
  .case-card__body {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .case-card { 
    padding: 1.5rem; 
  }
  .case-card__num { 
    font-size: 2.5rem; 
  }
  .case-card__logo {
    max-width: 150px;
    max-height: 40px;
  }
  .case-card__logo-section {
    min-height: 45px;
  }
}

/**
 * VIDEO PLAYER MODAL
 */

.video-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.video-modal.active {
  opacity: 1;
  visibility: visible;
}

.video-modal__overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
  cursor: pointer;
}

.video-modal__content {
  position: relative;
  width: 90%;
  max-width: 1000px;
  aspect-ratio: 16 / 9;
  background: #000;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
  animation: modalSlideIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  z-index: 1001;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(20px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.video-modal__player {
  width: 100%;
  height: 100%;
  background: #000;
}

.video-modal__player video {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.video-modal__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 40px;
  height: 40px;
  border: none;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  z-index: 1002;
  padding: 0;
}

.video-modal__close:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: rotate(90deg);
}

.video-modal__close svg {
  width: 20px;
  height: 20px;
}

/* Mobile responsiveness for video modal */
@media (max-width: 768px) {
  .video-modal__content {
    width: 95%;
    max-width: 100%;
    border-radius: var(--radius-md);
  }
  
  .video-modal__close {
    width: 36px;
    height: 36px;
    top: 0.75rem;
    right: 0.75rem;
  }
}