/* ==========================================================================
   COMPONENTS - Reusable UI Components
   ========================================================================== */

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-xl);
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  text-align: center;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-bg-primary);
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  background-color: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-strong);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-text-primary);
  border: 2px solid var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-lg {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: var(--font-size-lg);
}

/* --------------------------------------------------------------------------
   Cards
   -------------------------------------------------------------------------- */
.card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  transition: all var(--transition-base);
  opacity: 0;
  transform: translateY(20px);
}

.card.visible {
  opacity: 1;
  transform: translateY(0);
}

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

.card-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
}

.card-description {
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-lg);
}

.card-price {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--spacing-lg);
}

.card-feature {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

/* --------------------------------------------------------------------------
   Badges & Tags
   -------------------------------------------------------------------------- */
.badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
  background-color: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
}

.badge-primary {
  background-color: var(--color-primary);
  color: var(--color-bg-primary);
}

.tag {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
  background-color: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  margin: var(--spacing-xs);
  transition: all var(--transition-fast);
}

.tag:hover {
  background-color: var(--color-bg-card);
  color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   Stats Display
   -------------------------------------------------------------------------- */
.stat-card {
  text-align: center;
  padding: var(--spacing-xl);
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease-out;
}

.stat-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.stat-number {
  font-size: var(--font-size-6xl);
  font-weight: var(--font-weight-black);
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--spacing-sm);
  font-family: var(--font-display);
}

.stat-label {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
}

/* --------------------------------------------------------------------------
   Icon Boxes
   -------------------------------------------------------------------------- */
.icon-box {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-dark);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-lg);
  transition: all var(--transition-base);
}

.icon-box:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
}

.icon-box svg,
.icon-box img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

/* --------------------------------------------------------------------------
   Tech Stack Cards
   -------------------------------------------------------------------------- */
.tech-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  transition: all var(--transition-base);
  cursor: pointer;
  opacity: 0;
  transform: translateY(20px);
}

.tech-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.tech-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.tech-icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--spacing-md);
}

.tech-name {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
}

.tech-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* --------------------------------------------------------------------------
   Feature Cards
   -------------------------------------------------------------------------- */
.feature-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  height: 100%;
  transition: all var(--transition-base);
  opacity: 0;
  transform: translateY(20px);
}

.feature-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.feature-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-xl);
  transform: translateY(-2px);
}

.feature-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
}

.feature-description {
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* --------------------------------------------------------------------------
   Highlight Text
   -------------------------------------------------------------------------- */
.highlight {
  color: var(--color-primary);
  position: relative;
}

.highlight-bracket::before,
.highlight-bracket::after {
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
}

.highlight-bracket::before {
  content: '<';
}

.highlight-bracket::after {
  content: '>';
}

/* --------------------------------------------------------------------------
   Section Headers
   -------------------------------------------------------------------------- */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-4xl);
}

.section-subtitle {
  color: var(--color-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-md);
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-black);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-lg);
}

.section-description {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 700px;
  margin: 0 auto;
}

/* --------------------------------------------------------------------------
   Dividers
   -------------------------------------------------------------------------- */
.divider {
  height: 1px;
  background-color: var(--color-border);
  margin: var(--spacing-2xl) 0;
}

.divider-glow {
  height: 1px;
  background: linear-gradient(90deg, 
    transparent 0%, 
    var(--color-primary) 50%, 
    transparent 100%
  );
  margin: var(--spacing-2xl) 0;
  opacity: 0.3;
}

/* --------------------------------------------------------------------------
   Lists
   -------------------------------------------------------------------------- */
.feature-list {
  list-style: none;
  padding: 0;
}

.feature-list li {
  padding: var(--spacing-sm) 0;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.feature-list li::before {
  content: '✓';
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-lg);
}

/* --------------------------------------------------------------------------
   Scroll Indicator
   -------------------------------------------------------------------------- */
.scroll-indicator {
  width: 30px;
  height: 50px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-full);
  position: relative;
  display: flex;
  justify-content: center;
  padding-top: var(--spacing-sm);
}

.scroll-indicator::before {
  content: '';
  width: 4px;
  height: 8px;
  background-color: var(--color-primary);
  border-radius: var(--radius-full);
  animation: scroll 2s infinite;
}

@keyframes scroll {
  0%, 100% {
    transform: translateY(0);
    opacity: 1;
  }
  50% {
    transform: translateY(10px);
    opacity: 0.5;
  }
}

/* --------------------------------------------------------------------------
   Portfolio Components
   -------------------------------------------------------------------------- */
.portfolio-filters {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  margin-bottom: var(--spacing-3xl);
  flex-wrap: wrap;
}

.portfolio-filter-btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-base);
  cursor: pointer;
  transition: all var(--transition-base);
  font-family: var(--font-primary);
}

.portfolio-filter-btn:hover,
.portfolio-filter-btn.active {
  background-color: var(--color-primary);
  color: var(--color-bg-primary);
  border-color: var(--color-primary);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--spacing-2xl);
}

.portfolio-item {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-base);
  cursor: pointer;
  opacity: 0;
  transform: translateY(20px);
  display: block;
  text-decoration: none;
  color: inherit;
}

.portfolio-item.visible {
  opacity: 1;
  transform: translateY(0);
}

.portfolio-item:hover {
  border-color: var(--color-primary);
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.portfolio-image {
  width: 100%;
  aspect-ratio: 16 / 10;
  background: var(--gradient-dark);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.portfolio-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

.portfolio-item:hover .portfolio-image img {
  transform: scale(1.05);
}

.portfolio-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  color: var(--color-text-muted);
  transition: all var(--transition-base);
}

.portfolio-item:hover .portfolio-placeholder {
  color: var(--color-primary);
  transform: scale(1.1);
}

.portfolio-content {
  padding: var(--spacing-xl);
}

.portfolio-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
}

.portfolio-description {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
  line-height: var(--line-height-relaxed);
}

.portfolio-tags {
  display: flex;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
}