/* ===== PORTFOLIO PAGE STYLES ===== */

/* Force remove all subscription input styles */
.subscription-section input,
.subscription-section .card-element,
.subscription-section .payment-form input,
.subscription-section .payment-form .card-element,
#subscribe input,
#subscribe .card-element {
    all: unset !important;
    background: transparent !important;
    border: none !important;
    border-radius: 0 !important;
    padding: 0 !important;
    margin: 0 !important;
    color: inherit !important;
    font-family: inherit !important;
    font-size: inherit !important;
    font-weight: inherit !important;
    box-shadow: none !important;
    outline: none !important;
    appearance: none !important;
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    transition: none !important;
    transform: none !important;
    min-height: auto !important;
    line-height: inherit !important;
    vertical-align: baseline !important;
    box-sizing: content-box !important;
    display: inline-block !important;
    position: static !important;
    z-index: auto !important;
    overflow: visible !important;
    resize: none !important;
    cursor: text !important;
}

/* Hero Section */
.portfolio-hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 120px 0 80px;
    overflow: hidden;
}

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

.portfolio-hero .hero-title {
    margin-bottom: 2rem;
}

.portfolio-hero .hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 3rem;
    opacity: 0.9;
    line-height: 1.6;
}

.portfolio-hero .hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Portfolio Filter */
.portfolio-filter {
    padding: 60px 0 40px;
    background: var(--background-color);
    border-bottom: 1px solid var(--glass-border);
}

.filter-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-btn {
    background: rgba(255, 255, 255, 0.03);
    border: 2px solid var(--glass-border);
    color: var(--text-color);
    padding: 0.875rem 1.75rem;
    border-radius: 2rem;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    backdrop-filter: blur(15px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    position: relative;
    overflow: hidden;
}

.filter-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.6s ease;
}

.filter-btn:hover::before {
    left: 100%;
}

.filter-btn:hover {
    border-color: var(--accent-color);
    background: rgba(0, 212, 255, 0.08);
    transform: translateY(-0.25rem) scale(1.05);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.2), 0 4px 15px rgba(0, 0, 0, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.filter-btn.active {
    background: var(--grok-gradient);
    border-color: transparent;
    color: white;
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.4), 0 6px 20px rgba(0, 0, 0, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.2);
    transform: translateY(-0.125rem);
}

.filter-btn.active:hover {
    transform: translateY(-0.375rem) scale(1.05);
    box-shadow: 0 15px 40px rgba(0, 212, 255, 0.5), 0 8px 25px rgba(0, 0, 0, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

/* Portfolio Grid Section */
.portfolio-grid-section {
    padding: 80px 0;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.03) 0%, rgba(255, 0, 122, 0.03) 100%);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2.5rem;
}

.portfolio-item {
    background: var(--card-background);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    overflow: hidden;
    transition: var(--transition);
    backdrop-filter: blur(20px);
}

.portfolio-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: var(--accent-color);
}

.portfolio-image {
    position: relative;
    overflow: hidden;
    height: 250px;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.overlay-content {
    text-align: center;
    color: white;
    padding: 2rem;
}

.overlay-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.overlay-content p {
    margin-bottom: 1.5rem;
    opacity: 0.9;
    line-height: 1.6;
}

.overlay-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    border-radius: 20px;
}

.portfolio-info {
    padding: 2rem;
}

.portfolio-info h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.portfolio-info p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.portfolio-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tag {
    background: var(--grok-gradient);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Portfolio Statistics */
.portfolio-stats {
    padding: 100px 0;
    background: var(--background-color);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    text-align: center;
}

.stat-item {
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-5px);
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 800;
    background: var(--grok-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

/* Responsive Design */
@media (max-width: 768px) {
    .portfolio-hero .hero-title {
        font-size: 2.5rem;
    }
    
    .portfolio-hero .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .portfolio-hero .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .filter-buttons {
        gap: 0.75rem;
    }
    
    .filter-btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.85rem;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .portfolio-image {
        height: 200px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    .portfolio-hero .hero-content {
        padding: 0 1rem;
    }
    
    .filter-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .filter-btn {
        width: 100%;
        max-width: 200px;
    }
    
    .portfolio-info {
        padding: 1.5rem;
    }
    
    .overlay-content {
        padding: 1.5rem;
    }
    
    .overlay-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* Animation Classes */
.portfolio-item[data-aos="fade-up"] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.portfolio-item[data-aos="fade-up"].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

.stat-item[data-aos="zoom-in"] {
    opacity: 0;
    transform: scale(0.8);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.stat-item[data-aos="zoom-in"].aos-animate {
    opacity: 1;
    transform: scale(1);
}

/* Filter Animation */
.portfolio-item {
    transition: all 0.4s ease;
}

.portfolio-item.hidden {
    opacity: 0;
    transform: scale(0.8);
    pointer-events: none;
}

.portfolio-item.visible {
    opacity: 1;
    transform: scale(1);
    pointer-events: all;
}

/* Hover Effects */
.portfolio-item:hover .portfolio-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(0, 212, 255, 0.1) 50%, transparent 70%);
    animation: shimmer 1.5s ease-in-out;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Focus States for Accessibility */
.filter-btn:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

.portfolio-item:focus-within {
    outline: 2px solid var(--accent-color);
    outline-offset: 4px;
    border-radius: 20px;
}

/* Loading States */
.portfolio-item.loading {
    pointer-events: none;
    opacity: 0.7;
}

.portfolio-item.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    border: 3px solid transparent;
    border-top: 3px solid var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    transform: translate(-50%, -50%);
}

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Smooth Transitions */
.portfolio-grid {
    transition: all 0.3s ease;
}

.filter-btn {
    position: relative;
    overflow: hidden;
}

.filter-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.filter-btn:hover::before {
    left: 100%;
}