/* ============================================
   PORTFOLIO PAGE STYLES
   ============================================
   Table of Contents:
   1. Portfolio Navigation
   2. Portfolio Hero
   3. Portfolio Categories
   4. Category Cards
   5. Portfolio Stats
   6. Portfolio Footer
   7. Responsive Design
   ============================================ */

/* ============================================
   1. PORTFOLIO NAVIGATION
   ============================================ */
.portfolio-nav {
  background: rgba(26, 26, 46, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--spacing-md) 0;
}

.portfolio-nav .nav-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand .brand-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-weight: 500;
  transition: all var(--transition-normal);
}

.nav-brand .brand-link:hover {
  color: #feca57;
  transform: translateX(-3px);
}

.nav-title h1 {
  color: white;
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin: 0;
}

/* ============================================
   2. PORTFOLIO HERO
   ============================================ */
.portfolio-hero {
  position: relative;
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  overflow: hidden;
  margin-top: var(--nav-height);
}

.portfolio-hero .hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.portfolio-hero .hero-particles {
  position: absolute;
  width: 100%;
  height: 100%;
}

.portfolio-hero .hero-particles .particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: #feca57;
  border-radius: 50%;
  animation: portfolioFloatParticle 6s infinite ease-in-out;
}

.portfolio-hero .hero-particles .particle:nth-child(1) {
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}

.portfolio-hero .hero-particles .particle:nth-child(2) {
  top: 60%;
  left: 80%;
  animation-delay: -2s;
}

.portfolio-hero .hero-particles .particle:nth-child(3) {
  top: 80%;
  left: 20%;
  animation-delay: -4s;
}

.portfolio-hero .hero-particles .particle:nth-child(4) {
  top: 30%;
  left: 70%;
  animation-delay: -1s;
}

.portfolio-hero .hero-particles .particle:nth-child(5) {
  top: 70%;
  left: 50%;
  animation-delay: -3s;
}

@keyframes portfolioFloatParticle {
  0%, 100% {
    transform: translateY(0px) scale(1);
    opacity: 0.7;
  }
  50% {
    transform: translateY(-20px) scale(1.2);
    opacity: 1;
  }
}

.portfolio-hero .hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

.portfolio-hero .hero-title {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: white;
  margin-bottom: var(--spacing-lg);
  background: linear-gradient(135deg, #feca57, var(--primary-coral), #48dbfb);
  background-size: 300% 300%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: portfolioGradientShift 4s ease-in-out infinite;
}

@keyframes portfolioGradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.portfolio-hero .hero-subtitle {
  font-size: var(--font-size-xl);
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--spacing-2xl);
  line-height: 1.6;
}

.portfolio-hero .hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--spacing-2xl);
  flex-wrap: wrap;
}

.portfolio-hero .hero-stats .stat {
  text-align: center;
  padding: var(--spacing-lg);
  background: var(--card-bg);
  border-radius: 15px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  min-width: 100px;
}

.portfolio-hero .stat-number {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: #feca57;
  margin-bottom: var(--spacing-xs);
}

.portfolio-hero .stat-label {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.7);
  font-weight: 500;
}

/* ============================================
   3. PORTFOLIO CATEGORIES
   ============================================ */
.portfolio-categories {
  padding: var(--spacing-3xl) 0;
  background: #f8f9fa;
}

.categories-section-title {
  text-align: center;
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: var(--spacing-3xl);
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-2xl);
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

/* ============================================
   4. CATEGORY CARDS
   ============================================ */
.category-card {
  position: relative;
  background: white;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: all var(--transition-normal);
  cursor: pointer;
}

.category-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.card-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-middle) 100%);
}

/* Category-specific backgrounds */
.category-card[data-category="photography"] .card-background {
  background: linear-gradient(135deg, var(--primary-coral) 0%, #feca57 100%);
}

.category-card[data-category="video"] .card-background {
  background: linear-gradient(135deg, #48dbfb 0%, #0abde3 100%);
}

.category-card[data-category="adobe"] .card-background {
  background: linear-gradient(135deg, var(--adobe-red) 0%, var(--primary-coral) 100%);
}

.category-card[data-category="clubs"] .card-background {
  background: linear-gradient(135deg, #26de81 0%, #20bf6b 100%);
}

.category-card[data-category="personal"] .card-background {
  background: linear-gradient(135deg, #a55eea 0%, #fd79a8 100%);
}

.category-card[data-category="web"] .card-background {
  background: linear-gradient(135deg, #54a0ff 0%, #5f27cd 100%);
}

.card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.3);
}

.card-content {
  position: relative;
  padding: var(--spacing-2xl);
  padding-top: 120px;
}

.card-icon {
  position: absolute;
  top: -30px;
  left: var(--spacing-2xl);
  width: 60px;
  height: 60px;
  background: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--text-dark);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.card-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: var(--spacing-md);
}

.card-description {
  color: var(--text-gray);
  line-height: 1.6;
  margin-bottom: var(--spacing-lg);
}

.card-stats {
  display: flex;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
}

.card-stats span {
  font-size: var(--font-size-sm);
  color: #888;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.card-button {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-middle));
  color: white;
  text-decoration: none;
  border-radius: 25px;
  font-weight: 600;
  transition: all var(--transition-normal);
}

.card-button:hover {
  transform: translateX(5px);
  box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

/* ============================================
   5. PORTFOLIO STATS
   ============================================ */
.portfolio-stats {
  padding: var(--spacing-3xl) 0;
  background: #1a1a2e;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-2xl);
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

.portfolio-stats .stat-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  padding: var(--spacing-xl);
  background: rgba(255, 255, 255, 0.05);
  border-radius: 15px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-normal);
}

.portfolio-stats .stat-item:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-5px);
}

.stat-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #feca57, var(--primary-coral));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: white;
  flex-shrink: 0;
}

.stat-content h4 {
  color: white;
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.stat-content p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--spacing-sm);
}

.stat-link {
  color: #feca57;
  text-decoration: none;
  font-weight: 500;
  transition: all var(--transition-normal);
}

.stat-link:hover {
  color: var(--primary-coral);
  text-decoration: underline;
}

/* ============================================
   6. PORTFOLIO FOOTER
   ============================================ */
.portfolio-footer {
  background: #0f0f23;
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.portfolio-footer .container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.portfolio-footer p {
  color: rgba(255, 255, 255, 0.6);
  margin: 0;
}

.footer-links {
  display: flex;
  gap: var(--spacing-lg);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color var(--transition-normal);
}

.footer-links a:hover {
  color: #feca57;
}

/* ============================================
   7. RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
  .portfolio-nav .nav-container {
    padding: 0 var(--spacing-lg);
  }

  .nav-title h1 {
    font-size: var(--font-size-lg);
  }

  .portfolio-hero .hero-title {
    font-size: var(--font-size-3xl);
  }

  .portfolio-hero .hero-subtitle {
    font-size: var(--font-size-lg);
  }

  .portfolio-hero .hero-stats {
    gap: var(--spacing-lg);
  }

  .categories-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    padding: 0 var(--spacing-lg);
  }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    padding: 0 var(--spacing-lg);
  }

  .portfolio-stats .stat-item {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-md);
  }

  .portfolio-footer .container {
    flex-direction: column;
    text-align: center;
  }
}