/* =============================================
   FlowBelgium - Portfolio Section
   Aesthetic: Showcase, Editorial, Premium
   ============================================= */

/* =============================================
   Section Container
   ============================================= */
.portfolio-section {
    padding: var(--space-4xl) 0;
    background: var(--color-black);
    position: relative;
    overflow: hidden;
}

.portfolio-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-gray-800), transparent);
}

.portfolio-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* =============================================
   Header
   ============================================= */
.portfolio-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.portfolio-label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-lg);
    background: rgba(251, 191, 36, 0.1);
    border: 1px solid rgba(251, 191, 36, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-lg);
}

.label-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.portfolio-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    color: var(--color-white);
    line-height: 1.1;
    margin-bottom: var(--space-md);
}

.title-highlight {
    position: relative;
    color: var(--color-primary);
}

.title-highlight::after {
    content: '';
    position: absolute;
    bottom: 0.05em;
    left: 0;
    right: 0;
    height: 0.12em;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    border-radius: 2px;
    opacity: 0.6;
}

.portfolio-subtitle {
    font-size: 1.15rem;
    color: var(--color-gray-400);
    max-width: 500px;
    margin: 0 auto;
}

/* =============================================
   Portfolio Grid
   ============================================= */
.portfolio-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
}

/* Featured card spans full width on first row */
.portfolio-featured {
    grid-column: 1 / -1;
}

/* =============================================
   Portfolio Card
   ============================================= */
.portfolio-card {
    background: var(--color-darker);
    border: 1px solid var(--color-gray-800);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.portfolio-card:hover {
    border-color: var(--color-gray-700);
    transform: translateY(-8px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
}

/* =============================================
   Card Image / Browser Frame
   ============================================= */
.card-image {
    position: relative;
    overflow: hidden;
}

.image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(0, 0, 0, 0.8) 100%);
    z-index: 2;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.4s ease;
}

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

.browser-frame {
    background: var(--color-dark);
    border-bottom: 1px solid var(--color-gray-800);
}

.browser-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-gray-900);
    border-bottom: 1px solid var(--color-gray-800);
}

.browser-dots {
    display: flex;
    gap: 6px;
}

.browser-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot-red { background: #ef4444; }
.dot-yellow { background: #fbbf24; }
.dot-green { background: #22c55e; }

.browser-url {
    flex: 1;
    padding: var(--space-xs) var(--space-md);
    background: var(--color-dark);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    color: var(--color-gray-500);
    font-family: monospace;
    text-align: center;
}

.browser-screen {
    position: relative;
    height: 300px;
    overflow: hidden;
    background: var(--color-gray-900);
}

.portfolio-featured .browser-screen {
    height: 400px;
}

.browser-screen iframe {
    width: 200%;
    height: 200%;
    border: none;
    transform: scale(0.5);
    transform-origin: top left;
    pointer-events: none;
}

.screen-fallback {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-gray-900) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.browser-screen:hover .screen-fallback,
.browser-screen iframe:not([src]) + .screen-fallback {
    opacity: 0;
}

.fallback-icon {
    font-size: 4rem;
}

.screen-fallback span {
    font-size: 1rem;
    color: var(--color-gray-400);
    font-weight: 500;
}

/* Card Badges */
.card-badges {
    position: absolute;
    top: var(--space-lg);
    left: var(--space-lg);
    z-index: 3;
    display: flex;
    gap: var(--space-sm);
}

.badge {
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

/* =============================================
   Card Content
   ============================================= */
.card-content {
    padding: var(--space-xl);
}

.card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.meta-category {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.meta-dot {
    width: 4px;
    height: 4px;
    background: var(--color-gray-600);
    border-radius: 50%;
}

.meta-year {
    font-size: 0.8rem;
    color: var(--color-gray-500);
}

.card-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--space-sm);
}

.portfolio-featured .card-title {
    font-size: 1.75rem;
}

.card-description {
    font-size: 0.95rem;
    color: var(--color-gray-400);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

/* Card Tags */
.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.card-tags .tag {
    padding: var(--space-xs) var(--space-md);
    background: var(--color-dark);
    border: 1px solid var(--color-gray-800);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    color: var(--color-gray-400);
    transition: all 0.3s ease;
}

.portfolio-card:hover .card-tags .tag {
    border-color: var(--color-gray-700);
    color: var(--color-gray-300);
}

/* Card Link */
.card-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-white);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.card-link:hover {
    color: var(--color-primary);
    gap: var(--space-md);
}

.card-link svg {
    transition: transform 0.3s ease;
}

.card-link:hover svg {
    transform: translate(4px, -4px);
}

/* =============================================
   Featured Card Layout
   ============================================= */
.portfolio-featured {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
}

.portfolio-featured .card-image {
    border-radius: var(--radius-2xl) 0 0 var(--radius-2xl);
}

.portfolio-featured .card-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--space-2xl);
}

.portfolio-featured .card-description {
    font-size: 1.05rem;
}

/* =============================================
   CTA
   ============================================= */
.portfolio-cta {
    margin-top: var(--space-3xl);
    text-align: center;
}

.portfolio-cta p {
    font-size: 1.1rem;
    color: var(--color-gray-400);
    margin-bottom: var(--space-lg);
}

.portfolio-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-2xl);
    background: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.portfolio-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: var(--color-primary);
    transition: width 0.3s ease;
    z-index: -1;
}

.portfolio-btn:hover::before {
    width: 100%;
}

.portfolio-btn:hover {
    color: var(--color-black);
    gap: var(--space-md);
}

.portfolio-btn svg {
    transition: transform 0.3s ease;
}

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

/* =============================================
   Responsive
   ============================================= */
@media (max-width: 1024px) {
    .portfolio-featured {
        grid-template-columns: 1fr;
    }

    .portfolio-featured .card-image {
        border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
    }

    .portfolio-featured .browser-screen {
        height: 300px;
    }
}

@media (max-width: 768px) {
    .portfolio-grid {
        grid-template-columns: 1fr;
    }

    .browser-screen {
        height: 250px;
    }

    .portfolio-featured .browser-screen {
        height: 250px;
    }

    .card-title {
        font-size: 1.25rem;
    }

    .portfolio-featured .card-title {
        font-size: 1.35rem;
    }

    .portfolio-featured .card-content {
        padding: var(--space-xl);
    }
}

/* =============================================
   Animations
   ============================================= */
.portfolio-card {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s ease, transform 0.6s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

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

.portfolio-card:nth-child(1) { transition-delay: 0.1s; }
.portfolio-card:nth-child(2) { transition-delay: 0.2s; }
.portfolio-card:nth-child(3) { transition-delay: 0.3s; }

/* Hover effects on browser screen */
.browser-screen::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.1) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.portfolio-card:hover .browser-screen::after {
    opacity: 1;
}

/* Loading shimmer for iframe */
.browser-screen::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.03),
        transparent
    );
    animation: shimmerPortfolio 2s infinite;
    z-index: 1;
}

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

.browser-screen iframe {
    position: relative;
    z-index: 2;
}