/* dev-os.css */
/* ==========================================
   DEVELOPER OPERATING SYSTEM
   Capability-based tech stack presentation
   ========================================== */

.dev-os {
  position: relative;
  overflow: hidden;
}

/* Grid Layout */
.os-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 48px;
}

/* Module Card */
.os-module {
  padding: 28px;
  position: relative;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.os-module::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, 
    rgba(168, 85, 247, 0.3), 
    rgba(99, 102, 241, 0.2), 
    rgba(236, 72, 153, 0.3)
  );
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.os-module:hover::before {
  opacity: 1;
}

.os-module::after {
  content: '';
  position: absolute;
  inset: -100px;
  background: radial-gradient(
    circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
    rgba(168, 85, 247, 0.08) 0%,
    transparent 50%
  );
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.os-module:hover::after {
  opacity: 1;
}

.os-module:hover {
  transform: translateY(-4px);
  box-shadow: 
    0 8px 32px rgba(168, 85, 247, 0.15),
    0 0 0 1px rgba(168, 85, 247, 0.1);
}

/* System-specific gradient accents */
.os-module[data-system="frontend"]:hover {
  box-shadow: 
    0 8px 32px rgba(168, 85, 247, 0.2),
    0 0 0 1px rgba(168, 85, 247, 0.15);
}

.os-module[data-system="backend"]:hover {
  box-shadow: 
    0 8px 32px rgba(99, 102, 241, 0.2),
    0 0 0 1px rgba(99, 102, 241, 0.15);
}

.os-module[data-system="cloud"]:hover {
  box-shadow: 
    0 8px 32px rgba(59, 130, 246, 0.2),
    0 0 0 1px rgba(59, 130, 246, 0.15);
}

.os-module[data-system="tools"]:hover {
  box-shadow: 
    0 8px 32px rgba(236, 72, 153, 0.2),
    0 0 0 1px rgba(236, 72, 153, 0.15);
}

/* Module Header */
.os-module-header {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
}

.os-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(168, 85, 247, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
  transition: all 0.3s ease;
}

.os-icon::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.4), rgba(236, 72, 153, 0.4));
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: -1;
}

.os-module:hover .os-icon::before {
  opacity: 1;
}

.os-module:hover .os-icon {
  background: rgba(168, 85, 247, 0.12);
  transform: scale(1.05);
}

.os-icon svg {
  color: var(--purple);
  transition: color 0.3s ease;
}

.os-module[data-system="backend"] .os-icon svg {
  color: #6366f1;
}

.os-module[data-system="cloud"] .os-icon svg {
  color: #3b82f6;
}

.os-module[data-system="tools"] .os-icon svg {
  color: #ec4899;
}

.os-title h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
  letter-spacing: -0.01em;
}

.os-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Capabilities */
.os-capabilities {
  display: flex;
  flex-direction: column;
  gap: 18px;
  position: relative;
  z-index: 1;
}

.os-cap-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.os-cap-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: -0.01em;
}

/* Tech Tags */
.os-tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.os-tech {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-secondary);
  transition: all 0.25s ease;
  cursor: default;
  position: relative;
  overflow: hidden;
}

.os-tech::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.15), rgba(236, 72, 153, 0.15));
  opacity: 0;
  transition: opacity 0.25s ease;
}

.os-tech:hover {
  background: rgba(168, 85, 247, 0.08);
  border-color: rgba(168, 85, 247, 0.25);
  color: var(--text-primary);
  transform: translateY(-1px);
}

.os-tech:hover::before {
  opacity: 1;
}

/* Staggered Animation */
.os-module {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.6s ease forwards;
}

.os-module:nth-child(1) { animation-delay: 0.1s; }
.os-module:nth-child(2) { animation-delay: 0.2s; }
.os-module:nth-child(3) { animation-delay: 0.3s; }
.os-module:nth-child(4) { animation-delay: 0.4s; }

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive Design */
@media (max-width: 968px) {
  .os-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .os-module {
    padding: 24px;
  }

  .os-module-header {
    gap: 12px;
  }

  .os-icon {
    width: 40px;
    height: 40px;
  }

  .os-title h3 {
    font-size: 1.05rem;
  }

  .os-subtitle {
    font-size: 0.75rem;
  }

  .os-capabilities {
    gap: 16px;
  }

  .os-cap-label {
    font-size: 0.8rem;
  }

  .os-tech {
    font-size: 0.7rem;
    padding: 4px 10px;
  }
}

@media (max-width: 640px) {
  .os-module {
    padding: 20px;
  }

  .os-title h3 {
    font-size: 1rem;
  }

  .os-tech-tags {
    gap: 5px;
  }
}