/* ═══ BUTTONS ═══ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.75rem 1.75rem;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--duration-base) var(--ease-out);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--purple-600);
  color: #fff;
  box-shadow: var(--glow-sm);
}

.btn-primary:hover {
  background: var(--purple-500);
  box-shadow: var(--glow-md);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--purple-400);
  border: 1px solid var(--border-light);
}

.btn-outline:hover {
  border-color: var(--purple-500);
  background: rgba(139, 92, 246, 0.08);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: var(--text-xs);
}

/* ═══ CARDS ═══ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: all var(--duration-base) var(--ease-out);
  position: relative;
  backdrop-filter: blur(10px);
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, transparent 40%, var(--purple-500) 100%);
  -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 var(--duration-base) ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--border-light);
  box-shadow: var(--shadow-card);
}

.card:hover::before { opacity: 1; }

/* ═══ TAGS ═══ */
.tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--purple-400);
  background: rgba(139, 92, 246, 0.08);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
}

/* ═══ INPUT ═══ */
.form-group { margin-bottom: var(--space-6); }

.form-label {
  display: block;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
  font-family: var(--font-mono);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--text-base);
  transition: all var(--duration-base) ease;
  outline: none;
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--purple-500);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1), var(--glow-sm);
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
}

/* ═══ SKILL CARD ═══ */
.skill-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-6);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: all var(--duration-base) var(--ease-out);
  cursor: default;
}

.skill-card:hover {
  border-color: var(--purple-500);
  box-shadow: var(--glow-sm);
  transform: translateY(-6px);
}

.skill-card i {
  font-size: 2.5rem;
  color: var(--purple-400);
  transition: color var(--duration-base) ease;
}

.skill-card:hover i { color: var(--purple-500); }

.skill-card .skill-name {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  transition: color var(--duration-base) ease;
}

.skill-card:hover .skill-name { color: var(--text-primary); }

/* ═══ EDUCATION CARD ═══ */
.edu-card {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-6);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: all var(--duration-base) var(--ease-out);
}

.edu-card:hover {
  border-color: var(--border-light);
  transform: translateX(4px);
}

.edu-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: rgba(139, 92, 246, 0.1);
  color: var(--purple-400);
  font-size: var(--text-xl);
  flex-shrink: 0;
}

.edu-title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.edu-status {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.edu-status.active {
  color: var(--purple-400);
}

/* ═══ PROJECT CARD ═══ */
.project-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  transition: all var(--duration-slow) var(--ease-out);
  position: relative;
}

.project-card:hover {
  border-color: var(--border-light);
  box-shadow: var(--shadow-card);
  transform: translateY(-6px);
}

.project-preview {
  height: 200px;
  position: relative;
  overflow: hidden;
}

.project-preview .overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 15, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  opacity: 0;
  transition: opacity var(--duration-base) ease;
}

.project-card:hover .overlay { opacity: 1; }

/* Scan line effect */
.project-preview::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(139, 92, 246, 0.03) 2px,
    rgba(139, 92, 246, 0.03) 4px
  );
  opacity: 0;
  transition: opacity var(--duration-base) ease;
  pointer-events: none;
}

.project-card:hover .project-preview::after { opacity: 1; }

.project-body {
  padding: var(--space-6);
}

.project-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.project-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}