body {
  font-family: 'Courier New', monospace;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.2;
  margin: 0;
  padding: 20px;
}

.section {
  margin-bottom: 40px;
  position: relative;
}

h2 {
  font-size: 28px;
  font-weight: 900;
  text-transform: uppercase;
  margin-bottom: 24px;
  padding: 10px;
  background: var(--text-primary);
  color: var(--bg-secondary);
  position: relative;
  letter-spacing: 4px;
  box-shadow: 5px 5px 0 var(--bg-secondary), 10px 10px 0 var(--text-primary);
  transition: all 0.3s;
}

/* Enhanced Skills Section - Sliding Drawer Effect */
.skills-container {
  position: relative;
  background: var(--bg-secondary);
  border: 3px solid var(--border-primary);
  overflow: hidden;
}

.skills-container::before {
  content: 'CLASSIFIED DOCUMENTS';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(-45deg);
  font-size: 60px;
  opacity: 0.03;
  color: var(--text-accent);
  font-weight: 900;
  pointer-events: none;
  z-index: 1;
}

.skill-category {
  margin-bottom: 25px;
  padding: 0;
  background: var(--bg-secondary);
  border: 3px solid var(--border-primary);
  position: relative;
  transition: all 0.3s ease;
  overflow: hidden;
  cursor: pointer;
  transform: translateX(-10px);
}

.skill-category::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(51, 51, 51, 0.1) 30%,
    rgba(233, 108, 71, 0.1) 70%,
    transparent
  );
  transition: left 0.3s ease;
  z-index: 2;
}

.skill-category:hover::before {
  left: 100%;
}

.skill-category:hover {
  transform: translateX(0);
  box-shadow: 5px 5px 0 var(--shadow-primary);
}

.skill-category.expanded {
  transform: translateX(0);
  border-color: var(--border-accent);
  box-shadow: 0 0 30px var(--shadow-accent), inset 0 0 30px var(--shadow-accent),
    10px 10px 0 var(--shadow-primary);
}

/* Drawer Tab - Always visible */
.skill-drawer-tab {
  font-size: 16px;
  font-weight: 700;
  text-transform: uppercase;
  background: var(--text-accent);
  color: var(--bg-secondary);
  padding: 15px 25px;
  position: relative;
  overflow: hidden;
  border-bottom: 3px solid var(--border-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 10;
}

.skill-drawer-tab::before {
  content: 'TOP SECRET';
  position: absolute;
  top: 2px;
  right: 10px;
  font-size: 8px;
  color: var(--text-accent);
  border: 1px solid var(--text-accent);
  padding: 1px 4px;
  opacity: 0.7;
  transform: rotate(15deg);
}

.skill-drawer-tab::after {
  content: 'ACCESS GRANTED';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--text-secondary);
  color: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: left 0.3s;
}

.skill-category.expanded .skill-drawer-tab::after {
  left: 0;
}

.skill-drawer-arrow {
  font-size: 12px;
  transition: transform 0.3s ease;
  color: var(--text-accent);
  margin-left: 10px;
}

.skill-category.expanded .skill-drawer-arrow {
  transform: rotate(180deg);
  color: var(--text-secondary);
}

.skill-category:hover .skill-drawer-tab {
  background: var(--text-accent);
  color: var(--bg-secondary);
  transform: skewX(-3deg);
  box-shadow: 0 0 20px var(--shadow-accent);
}

.skill-category.expanded .skill-drawer-tab {
  background: var(--text-secondary);
  color: var(--bg-secondary);
  border-bottom-color: var(--border-accent);
}

/* Security clearance indicator */
.clearance-indicator {
  position: absolute;
  left: 10px;
  top: 3px;
  width: 8px;
  height: 8px;
  background: var(--text-accent);
  border-radius: 50%;
  animation: pulse-security 2s infinite;
}

@keyframes pulse-security {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.5;
    transform: scale(1.2);
  }
}

.skill-category.expanded .clearance-indicator {
  background: var(--text-secondary);
}

/* Drawer Content - Hidden by default */
.skill-drawer-content {
  position: relative;
  background: var(--bg-accent);
  max-height: 0;
  overflow: hidden;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  transform: translateY(-20px);
  opacity: 0;
  border-left: 6px solid var(--border-primary);
}

.skill-category.expanded .skill-drawer-content {
  max-height: 800px;
  padding: 20px;
  transform: translateY(0);
  opacity: 1;
  border-left-color: var(--border-accent);
  box-shadow: inset 0 0 30px var(--shadow-primary);
}

/* Security stamp effect */
.skill-drawer-content::before {
  content: 'DECLASSIFIED';
  position: absolute;
  top: 10px;
  right: 15px;
  font-size: 10px;
  color: var(--text-accent);
  border: 2px solid var(--text-accent);
  padding: 3px 8px;
  transform: rotate(-15deg);
  opacity: 0;
  transition: opacity 0.3s ease 0.2s;
}

.skill-category.expanded .skill-drawer-content::before {
  opacity: 0.6;
}

/* Enhanced list styling for drawer content */
.skill-drawer-content ul {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

.skill-drawer-content li {
  font-size: 13px;
  margin-bottom: 12px;
  padding: 8px 15px;
  position: relative;
  color: var(--text-primary);
  background: var(--bg-secondary);
  border-left: 4px solid var(--border-primary);
  transition: all 0.3s ease;
  transform: translateX(-20px);
  opacity: 0;
}

.skill-category.expanded .skill-drawer-content li {
  animation: slideInRight 0.4s ease forwards;
}

.skill-category.expanded .skill-drawer-content li:nth-child(1) {
  animation-delay: 0.1s;
}
.skill-category.expanded .skill-drawer-content li:nth-child(2) {
  animation-delay: 0.2s;
}
.skill-category.expanded .skill-drawer-content li:nth-child(3) {
  animation-delay: 0.3s;
}
.skill-category.expanded .skill-drawer-content li:nth-child(4) {
  animation-delay: 0.4s;
}
.skill-category.expanded .skill-drawer-content li:nth-child(5) {
  animation-delay: 0.5s;
}
.skill-category.expanded .skill-drawer-content li:nth-child(6) {
  animation-delay: 0.6s;
}

@keyframes slideInRight {
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.skill-drawer-content li:hover {
  padding-left: 25px;
  border-left-color: var(--border-accent);
  background: var(--bg-primary);
  color: var(--text-secondary);
  box-shadow: 0 0 15px var(--shadow-accent);
}

.skill-drawer-content li::before {
  content: '▶';
  position: absolute;
  left: 8px;
  color: var(--text-accent);
  font-weight: bold;
  font-size: 12px;
  transition: all 0.3s ease;
}

.skill-drawer-content li:hover::before {
  color: var(--text-secondary);
  transform: scale(1.2);
}

/* File folder effect */
.skill-category::after {
  content: '';
  position: absolute;
  top: -3px;
  right: 20px;
  width: 60px;
  height: 15px;
  background: var(--text-primary);
  border: 2px solid var(--border-primary);
  border-bottom: none;
  transform: perspective(20px) rotateX(15deg);
  transition: all 0.3s ease;
}

.skill-category:hover::after {
  background: var(--text-accent);
  transform: perspective(20px) rotateX(0deg);
}

.skill-category.expanded::after {
  background: var(--text-secondary);
  box-shadow: 0 2px 5px var(--shadow-accent);
}

/* Enhanced accessibility for screen readers */
.skill-drawer-tab[aria-expanded='true'] {
  background: var(--text-secondary);
}

.skill-drawer-tab:focus {
  outline: 2px solid var(--text-accent);
  outline-offset: 2px;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
  .skill-drawer-tab {
    padding: 12px 20px;
    font-size: 14px;
  }

  .skill-drawer-content li {
    font-size: 12px;
    padding: 6px 12px;
  }

  .skill-category::after {
    width: 40px;
    height: 12px;
    right: 15px;
  }
}