/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Audiowide', cursive;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

/* Background handled globally in bg-layer.css */


/* Portfolio Page Styles */
.portfolio-page {
    min-height: 100vh;
    padding: 120px 2rem 5rem;
    position: relative;
    z-index: 1; /* ensure above .bg-layer */
}

.portfolio-container {
    max-width: 1200px;
    margin: 0 auto;
}

/* Portfolio Page Title */
.portfolio-page-title {
    text-align: center;
    font-size: 3rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 3rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
    font-family: 'Audiowide', cursive;
}

/* Filter Buttons */
.portfolio-filters {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

/* Sort Filter */
.sort-filter {
    display: flex;
    align-items: center;
    position: relative;
}

.sort-btn {
    width: 50px;
    height: 50px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    outline: none;
}

.sort-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.sort-btn:focus {
    background: rgba(255, 255, 255, 0.3);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}

.sort-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    min-width: 200px;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    margin-top: 0.5rem;
}

.sort-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.sort-option {
    padding: 0.8rem 1.5rem;
    color: #fff;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: 'Audiowide', cursive;
    font-size: 0.9rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sort-option:last-child {
    border-bottom: none;
}

.sort-option:hover {
    background: rgba(255, 255, 255, 0.1);
}

.sort-option.active {
    background: rgba(255, 255, 255, 0.2);
    color: #f5f5dc;
}

.filter-btn {
    padding: 0.8rem 2rem;
    border: none;
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    font-family: 'Audiowide', cursive;
}

.filter-btn:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.filter-btn.active {
    color: #f5f5dc;
    background: rgba(245, 245, 220, 0.2);
    box-shadow: 0 0 20px rgba(245, 245, 220, 0.3);
}

/* Portfolio Grid */
.portfolio-grid-page {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

/* Portfolio Items */
.portfolio-item-page {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
}

.portfolio-item-page:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.portfolio-image-page {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.portfolio-image-page img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

/* Portfolio Overlay */
.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
    padding: 2rem 1.5rem 1.5rem;
    color: white;
}

.portfolio-info-page {
    text-align: center;
}

.portfolio-title-page {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    font-family: 'Audiowide', cursive;
}

.portfolio-year-page {
    font-size: 0.9rem;
    opacity: 0.9;
    font-weight: 500;
}

/* Portfolio Tag */
.portfolio-tag {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    padding: 0.3rem 0.8rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 10;
}



/* Responsive Design */
@media (max-width: 1024px) {
    .portfolio-grid-page {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .portfolio-page-title {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .portfolio-page {
        padding: 100px 1rem 3rem;
    }
    
    .portfolio-page-title {
        font-size: 2rem;
        margin-bottom: 2rem;
    }
    
    .portfolio-filters {
        gap: 0.5rem;
        margin-bottom: 2rem;
        flex-direction: column;
    }
    
    .sort-btn {
        width: 45px;
        height: 45px;
        font-size: 1rem;
    }
    
    .filter-btn {
        padding: 0.6rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .portfolio-grid-page {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        max-width: 400px;
    }
    
    .portfolio-image-page {
        height: 250px;
    }
    
    .portfolio-overlay {
        padding: 1.5rem 1rem 1rem;
    }
    
    .portfolio-title-page {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    
    .portfolio-page {
        padding: 80px 0.5rem 2rem;
    }
    
    .portfolio-page-title {
        font-size: 1.8rem;
    }
    
    .portfolio-filters {
        flex-direction: column;
        align-items: center;
        gap: 0.5rem;
    }
    
    .filter-btn {
        width: 200px;
        padding: 0.8rem 1rem;
        font-size: 0.8rem;
    }
    
    .portfolio-grid-page {
        max-width: 350px;
        gap: 1rem;
    }
    
    .portfolio-image-page {
        height: 200px;
    }
    
    .portfolio-overlay {
        padding: 1rem 0.8rem 0.8rem;
    }
    
    .portfolio-title-page {
        font-size: 0.9rem;
    }
    
    .portfolio-year-page {
        font-size: 0.8rem;
    }
    
    .portfolio-tag {
        font-size: 0.7rem;
        padding: 0.2rem 0.6rem;
        top: 0.5rem;
        right: 0.5rem;
    }
}

/* Animation for portfolio items */
.portfolio-item-page {
    animation: fadeInUp 0.6s ease-out;
}

.portfolio-item-page:nth-child(1) { animation-delay: 0.1s; }
.portfolio-item-page:nth-child(2) { animation-delay: 0.2s; }
.portfolio-item-page:nth-child(3) { animation-delay: 0.3s; }
.portfolio-item-page:nth-child(4) { animation-delay: 0.4s; }
.portfolio-item-page:nth-child(5) { animation-delay: 0.5s; }
.portfolio-item-page:nth-child(6) { animation-delay: 0.6s; }
.portfolio-item-page:nth-child(7) { animation-delay: 0.7s; }
.portfolio-item-page:nth-child(8) { animation-delay: 0.8s; }
.portfolio-item-page:nth-child(9) { animation-delay: 0.9s; }

/* Filter animation */
.filter-btn {
    animation: fadeInUp 0.4s ease-out;
}

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

.portfolio-loading {
  position: relative;
  background: transparent;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  min-height: 200px;
}
.spinner {
  border: 6px solid rgba(255, 255, 255, 0.3);
  border-top: 6px solid rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  width: 48px;
  height: 48px;
  animation: spin 1s linear infinite;
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
}
@keyframes spin {
  0% { transform: rotate(0deg);}
  100% { transform: rotate(360deg);}
}