/* ===================================
   Instruments Page
   Combined VST3 + Reaktor
   =================================== */

/* Tab Navigation */
.instrument-tabs {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg);
    position: sticky;
    top: 64px;
    z-index: 100;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.tab-btn {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 1px;
    text-transform: lowercase;
    padding: 0.6rem 1.5rem;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: var(--transition);
}

.tab-btn:hover {
    border-color: var(--color-text-muted);
    color: var(--color-text);
}

.tab-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

/* Tab Content */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* ===================================
   VST3 Plugin Cards (Big Showcase)
   =================================== */
.plugin-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition);
}

.plugin-card:nth-child(even) {
    direction: rtl;
}

.plugin-card:nth-child(even) > * {
    direction: ltr;
}

.plugin-image {
    background: var(--color-bg-deep);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    position: relative;
    overflow: hidden;
}

.plugin-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, transparent 40%, var(--color-bg-deep) 100%);
    pointer-events: none;
}

.plugin-image img {
    width: 100%;
    max-width: 550px;
    height: auto;
    object-fit: contain;
    position: relative;
    z-index: 1;
    transition: transform 0.6s var(--ease-out);
}

.plugin-card:hover .plugin-image img {
    transform: scale(1.02);
}

.plugin-content {
    padding: var(--spacing-xl) var(--spacing-lg);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.plugin-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.plugin-content h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--spacing-xs);
    letter-spacing: -1px;
}

.plugin-badges {
    display: flex;
    gap: 0.4rem;
    margin-bottom: var(--spacing-sm);
}

.badge {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 0.25rem 0.6rem;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
}

.plugin-tagline {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.plugin-compat {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-muted);
    letter-spacing: 0.5px;
}

/* Expandable Details */
.plugin-details-toggle {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-primary);
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    margin-top: var(--spacing-sm);
    transition: var(--transition);
    letter-spacing: 0.5px;
    text-transform: lowercase;
}

.plugin-details-toggle:hover {
    color: var(--color-text);
}

.plugin-details-toggle .arrow {
    display: inline-block;
    transition: transform 0.3s var(--ease-out);
    margin-left: 0.25rem;
}

.plugin-details-toggle.open .arrow {
    transform: rotate(90deg);
}

.plugin-details {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s var(--ease-out);
}

.plugin-details.open {
    max-height: 600px;
}

.plugin-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    padding-top: var(--spacing-md);
}

.feature-col h4 {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
    padding-bottom: var(--spacing-xs);
    border-bottom: 1px solid var(--color-border);
}

.feature-col ul {
    list-style: none;
}

.feature-col li {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.5;
    padding: 0.25rem 0;
    padding-left: 0.8rem;
    position: relative;
}

.feature-col li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6rem;
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: var(--color-primary);
}

/* ===================================
   Reaktor Grid (Compact Cards)
   =================================== */
.reaktor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: var(--spacing-md);
    padding: var(--spacing-lg) 0;
}

.reaktor-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}

.reaktor-card:hover {
    border-color: var(--color-border-hover);
    background: var(--color-bg-card-hover);
}

.reaktor-card:hover .reaktor-image img {
    transform: scale(1.03);
}

.reaktor-image {
    aspect-ratio: 16 / 10;
    background: var(--color-bg-deep);
    overflow: hidden;
}

.reaktor-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease-out);
}

.reaktor-content {
    padding: var(--spacing-md);
}

.reaktor-content h3 {
    font-size: 1.3rem;
    margin-bottom: 0.3rem;
    letter-spacing: -0.5px;
}

.reaktor-tagline {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    letter-spacing: 0.3px;
}

.reaktor-description {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

.reaktor-features {
    list-style: none;
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-border);
}

.reaktor-features li {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-muted);
    padding: 0.2rem 0;
    padding-left: 1rem;
    position: relative;
}

.reaktor-features li::before {
    content: '>';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-size: 0.7rem;
}

/* ===================================
   Responsive
   =================================== */
@media (max-width: 1024px) {
    .plugin-features {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
}

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

    .plugin-card:nth-child(even) {
        direction: ltr;
    }

    .plugin-image {
        aspect-ratio: 16 / 10;
        padding: var(--spacing-md);
    }

    .plugin-content {
        padding: var(--spacing-md);
    }

    .reaktor-grid {
        grid-template-columns: 1fr;
    }

    .instrument-tabs {
        top: 64px;
        gap: 0.3rem;
    }

    .tab-btn {
        padding: 0.5rem 1rem;
        font-size: 0.75rem;
    }
}