/* ============================================
   Purple Dog Technologies - Portfolio Section
   File: css/sections/portfolio.css
   ============================================ */

/* Portfolio Section */
.portfolio {
    background: var(--dark);
    padding: 120px 2rem;
    position: relative;
    overflow: hidden;
}

/* Ambient background effects */
.portfolio::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
            radial-gradient(ellipse at 10% 20%, rgba(190, 55, 243, 0.08) 0%, transparent 50%),
            radial-gradient(ellipse at 90% 80%, rgba(123, 31, 162, 0.06) 0%, transparent 40%);
    pointer-events: none;
}

/* Floating orb for depth */
.portfolio::after {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(190, 55, 243, 0.03) 0%, transparent 70%);
    border-radius: 50%;
    top: 50%;
    left: -200px;
    transform: translateY(-50%);
    animation: float-orb 20s ease-in-out infinite;
    pointer-events: none;
}

/* Enhanced Section Header */
.portfolio .section-header {
    text-align: center;
    margin-bottom: 5rem;
}

.portfolio .section-label {
    opacity: 0;
    animation: fade-slide-up 0.8s ease forwards;
}

.portfolio .section-title {
    opacity: 0;
    animation: fade-slide-up 0.8s ease 0.1s forwards;
}

.portfolio .section-subtitle {
    opacity: 0;
    animation: fade-slide-up 0.8s ease 0.2s forwards;
}

/* Portfolio Grid */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

/* Portfolio Card */
.portfolio-card {
    background: linear-gradient(145deg, var(--dark-card) 0%, rgba(18, 18, 26, 0.8) 100%);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    border: 1px solid rgba(190, 55, 243, 0.08);
    transition: all var(--transition-smooth);
    cursor: pointer;
    position: relative;
    opacity: 0;
    transform: translateY(40px);
    animation: card-reveal 0.8s ease forwards;
}

/* Staggered animation delays */
.portfolio-card:nth-child(1) { animation-delay: 0.3s; }
.portfolio-card:nth-child(2) { animation-delay: 0.4s; }
.portfolio-card:nth-child(3) { animation-delay: 0.5s; }
.portfolio-card:nth-child(4) { animation-delay: 0.6s; }
.portfolio-card:nth-child(5) { animation-delay: 0.7s; }
.portfolio-card:nth-child(6) { animation-delay: 0.8s; }
.portfolio-card:nth-child(7) { animation-delay: 0.9s; }
.portfolio-card:nth-child(8) { animation-delay: 1.0s; }
.portfolio-card:nth-child(9) { animation-delay: 1.1s; }

/* Animated border glow on hover */
.portfolio-card::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: var(--radius-2xl);
    padding: 1px;
    background: linear-gradient(135deg, transparent 40%, var(--primary) 50%, transparent 60%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    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(--transition-smooth);
}

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

.portfolio-card:hover {
    transform: translateY(-12px);
    box-shadow:
            0 30px 60px rgba(0, 0, 0, 0.4),
            var(--shadow-glow);
    border-color: rgba(190, 55, 243, 0.2);
}

/* Portfolio Image */
.portfolio-image {
    position: relative;
    height: 180px;
    background: linear-gradient(145deg, #1a1a28 0%, #0f0f15 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 20px;
}

/* Subtle pattern overlay on hover */
.portfolio-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
            radial-gradient(circle at 20% 50%, rgba(190, 55, 243, 0.05) 0%, transparent 50%),
            radial-gradient(circle at 80% 50%, rgba(123, 31, 162, 0.05) 0%, transparent 50%);
    z-index: 1;
    opacity: 0;
    transition: opacity var(--transition-smooth);
}

.portfolio-card:hover .portfolio-image::before {
    opacity: 1;
}

/* Bottom gradient fade */
.portfolio-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60%;
    background: linear-gradient(180deg, transparent 0%, var(--dark-card) 100%);
    z-index: 2;
    pointer-events: none;
}

/* Logo container - fixed size white card */
.portfolio-logo {
    width: 180px;
    height: 120px;
    object-fit: contain;
    position: relative;
    z-index: 3;
    transition: all 0.6s cubic-bezier(0.23, 1, 0.32, 1);
    border-radius: var(--radius-md);
    background: linear-gradient(145deg, #ffffff 0%, #f8f9fa 100%);
    padding: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.portfolio-card:hover .portfolio-logo {
    transform: scale(1.05);
    box-shadow: 0 8px 30px rgba(190, 55, 243, 0.2);
}

/* Card Content */
.portfolio-content {
    padding: 1.75rem 2rem 2rem;
    position: relative;
}

/* Duration Tag with pulse indicator */
.portfolio-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(190, 55, 243, 0.1);
    color: var(--primary-light);
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 1rem;
    border: 1px solid rgba(190, 55, 243, 0.15);
    transition: all var(--transition-base);
}

.portfolio-tag::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.portfolio-card:hover .portfolio-tag {
    background: rgba(190, 55, 243, 0.15);
    border-color: rgba(190, 55, 243, 0.3);
}

/* Title with gradient on hover */
.portfolio-title {
    font-family: 'Lato', sans-serif;
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--white);
    transition: all var(--transition-base);
    line-height: 1.3;
}

.portfolio-card:hover .portfolio-title {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Description with line clamp */
.portfolio-description {
    color: var(--gray);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Service Tags */
.portfolio-services {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.portfolio-service-tag {
    background: var(--dark-lighter);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-base);
}

.portfolio-card:hover .portfolio-service-tag {
    background: rgba(190, 55, 243, 0.08);
    border-color: rgba(190, 55, 243, 0.15);
    color: rgba(255, 255, 255, 0.8);
}

/* View Project Link - always visible */
.portfolio-link {
    font-family: 'Montserrat', sans-serif;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 600;
    margin-top: 1rem;
    transition: all 0.4s ease;
    text-decoration: none;
}

.portfolio-link svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-base);
}

.portfolio-card:hover .portfolio-link {
    color: var(--primary-light);
}

.portfolio-link:hover svg {
    transform: translateX(4px);
}

/* View All Button */
.portfolio-view-all {
    text-align: center;
    margin-top: 3rem;
    opacity: 0;
    animation: fade-slide-up 0.8s ease 1s forwards;
}

/* Responsive */
@media (max-width: 1200px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.75rem;
    }
}

@media (max-width: 768px) {
    .portfolio {
        padding: 80px 1.5rem;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .portfolio-content {
        padding: 1.5rem;
    }

    .portfolio .section-header {
        margin-bottom: 3rem;
    }

    .portfolio-title {
        font-size: 1.2rem;
    }

    .portfolio-link {
        opacity: 1;
        transform: translateX(0);
    }
}

@media (max-width: 480px) {
    .portfolio {
        padding: 60px 1rem;
    }

    .portfolio-image {
        height: 150px;
        padding: 15px;
    }

    .portfolio-logo {
        width: 140px;
        height: 85px;
        padding: 12px;
    }

    .portfolio-content {
        padding: 1.25rem;
    }
}

.portfolio-link {
    font-family: Montserrat;
    font-size: 1.1rem;
}