/* =====================================================
   Product Page Specific Styles
   ===================================================== */

/* Product Hero */
.product-hero {
    position: relative;
    padding: calc(var(--navbar-height) + var(--space-3xl)) 0 var(--space-3xl);
    text-align: center;
    overflow: hidden;
}

.product-hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.product-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: rgba(102, 126, 234, 0.1);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
}

.product-hero-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--space-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    border-radius: var(--radius-xl);
    font-size: 3rem;
    box-shadow: var(--shadow-glow);
}

.product-hero-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-xl);
}

.product-hero h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    margin-bottom: var(--space-md);
}

.product-hero-tagline {
    font-size: 1.25rem;
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: var(--space-lg);
}

.product-hero-desc {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--space-xl);
}

.product-hero-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.product-hero-meta {
    display: flex;
    justify-content: center;
    gap: var(--space-2xl);
}

.product-hero-meta .meta-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.9375rem;
    color: var(--text-muted);
}

.product-hero-meta .meta-icon {
    font-size: 1.25rem;
}

/* Features Section */
.features-section {
    padding: var(--space-3xl) 0;
    background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.feature-card {
    padding: var(--space-xl);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-normal);
}

.feature-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-4px);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
}

.feature-card h3 {
    font-size: 1.125rem;
    margin-bottom: var(--space-sm);
}

.feature-card p {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 0;
}

/* Screenshots Section */
.screenshots-section {
    padding: var(--space-3xl) 0;
}

.screenshots-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.screenshot-placeholder {
    grid-column: 1 / -1;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px dashed var(--border-color);
    border-radius: var(--radius-lg);
    color: var(--text-muted);
    font-size: 1.125rem;
}

/* Requirements Section */
.requirements-section {
    padding: var(--space-3xl) 0;
    background: var(--bg-darker);
}

.requirements-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    max-width: 900px;
    margin: 0 auto;
}

.requirements-card {
    padding: var(--space-xl);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.requirements-card h3 {
    font-size: 1.125rem;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--border-light);
}

.requirements-list {
    list-style: none;
}

.requirements-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) 0;
}

.requirements-list li:not(:last-child) {
    border-bottom: 1px solid var(--border-light);
}

.req-label {
    font-weight: 600;
    color: var(--text-secondary);
}

.req-value {
    color: var(--text-muted);
    text-align: right;
}

/* Download Section */
.download-section {
    padding: var(--space-3xl) 0;
}

.download-card {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--space-2xl);
    align-items: center;
    padding: var(--space-2xl);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
}

.download-info h2 {
    margin-bottom: var(--space-sm);
}

.download-info p {
    font-size: 1.0625rem;
    margin-bottom: var(--space-lg);
}

.download-meta {
    display: flex;
    gap: var(--space-xl);
}

.download-meta .meta-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.download-meta .meta-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

.download-meta .meta-value {
    font-weight: 600;
    color: var(--text-primary);
}

.download-actions {
    text-align: center;
}

.download-btn {
    min-width: 200px;
    margin-bottom: var(--space-md);
}

.download-note {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin: 0;
}

/* Changelog Section */
.changelog-section {
    padding: var(--space-3xl) 0;
    background: var(--bg-darker);
}

.changelog-list {
    max-width: 800px;
    margin: 0 auto;
}

.changelog-item {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: var(--space-xl);
    padding: var(--space-xl) 0;
}

.changelog-item:not(:last-child) {
    border-bottom: 1px solid var(--border-light);
}

.changelog-version {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.version-number {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
}

.version-date {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.changelog-content h4 {
    font-size: 1rem;
    margin-bottom: var(--space-md);
}

.changelog-content ul {
    list-style: none;
}

.changelog-content li {
    position: relative;
    padding-left: var(--space-lg);
    margin-bottom: var(--space-sm);
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.changelog-content li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

/* Responsive */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .product-hero-actions {
        flex-direction: column;
    }
    
    .product-hero-meta {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .requirements-grid {
        grid-template-columns: 1fr;
    }
    
    .download-card {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .download-meta {
        justify-content: center;
    }
    
    .changelog-item {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
}