/* ===== Product Pages Styles ===== */

/* Product Hero */
.product-hero {
    min-height: 70vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: calc(var(--header-height) + var(--spacing-3xl));
    padding-bottom: var(--spacing-3xl);
    overflow: hidden;
}

.product-hero__bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.product-hero--ecig .product-hero__bg {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(99, 102, 241, 0.05) 100%);
}

.product-hero--mercevo .product-hero__bg {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(239, 68, 68, 0.05) 100%);
}

.product-hero--prono .product-hero__bg {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(5, 150, 105, 0.05) 100%);
}

.product-hero--gym .product-hero__bg {
    background: linear-gradient(135deg, rgba(236, 72, 153, 0.1) 0%, rgba(190, 24, 93, 0.05) 100%);
}

.product-hero__content {
    max-width: 800px;
}

.product-hero__back {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xl);
    transition: color var(--transition-fast);
}

.product-hero__back:hover {
    color: var(--color-primary);
}

.product-hero__badge {
    display: block;
    width: fit-content;
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(14, 165, 233, 0.1);
    color: var(--color-primary);
    border: 1px solid rgba(14, 165, 233, 0.2);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-lg);
}

.product-hero__title {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-lg);
    font-size: var(--font-size-5xl);
    font-weight: 800;
    margin-bottom: var(--spacing-lg);
}

.product-hero__title .product-hero__badge {
    flex-basis: 100%;
    margin-bottom: var(--spacing-sm);
}

.product-hero__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    border-radius: var(--radius-xl);
    color: white;
    flex-shrink: 0;
}

.product-hero__icon--ecig {
    background: linear-gradient(135deg, #8b5cf6 0%, #6366f1 100%);
}

.product-hero__icon--mercevo {
    background: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
}

.product-hero__icon--prono {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.product-hero__icon--gym {
    background: linear-gradient(135deg, #ec4899 0%, #be185d 100%);
}

.product-hero__subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
}

.product-hero__actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.feature-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow-sm);
}

.feature-card__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    color: white;
}

.feature-card__icon--purple {
    background: linear-gradient(135deg, #8b5cf6 0%, #6366f1 100%);
}

.feature-card__icon--blue {
    background: linear-gradient(135deg, #0ea5e9 0%, #0284c7 100%);
}

.feature-card__icon--green {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.feature-card__icon--orange {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

.feature-card__icon--pink {
    background: linear-gradient(135deg, #ec4899 0%, #be185d 100%);
}

.feature-card__icon--cyan {
    background: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
}

.feature-card__title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.feature-card__text {
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.feature-card__list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.feature-card__list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.feature-card__list li::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--color-secondary);
    border-radius: 50%;
    flex-shrink: 0;
}

/* Benefits Section */
.product-benefits {
    background: var(--color-bg-darker);
}

.benefits-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.benefits-description {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: var(--spacing-2xl);
}

.benefits-stats {
    display: flex;
    gap: var(--spacing-2xl);
}

.benefit-stat {
    text-align: center;
}

.benefit-stat__number {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
    margin-bottom: var(--spacing-xs);
}

.benefit-stat__label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.benefit-item {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.benefit-item:hover {
    border-color: var(--color-primary);
    transform: translateX(10px);
}

.benefit-item__icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(45, 212, 191, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-secondary);
}

.benefit-item__content h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.benefit-item__content p {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* Product CTA */
.product-cta {
    position: relative;
    text-align: center;
}

.product-cta__bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(14, 165, 233, 0.15) 0%, transparent 70%);
}

.product-cta__content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
}

.product-cta__title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
}

.product-cta__text {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xl);
}

.product-cta__actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

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

@media (max-width: 768px) {
    .product-hero__title {
        font-size: var(--font-size-3xl);
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    .product-hero__icon {
        width: 64px;
        height: 64px;
    }
    
    .product-hero__icon svg {
        width: 32px;
        height: 32px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .product-hero__actions {
        flex-direction: column;
    }
    
    .product-hero__actions .btn {
        width: 100%;
    }
    
    .benefits-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
}

/* Staggered animations for feature cards */
.feature-card.fade-in-up.animate {
    animation: fade-in-up 0.6s ease forwards;
}

.feature-card[data-delay="100"].animate {
    animation-delay: 0.1s;
}

.feature-card[data-delay="200"].animate {
    animation-delay: 0.2s;
}

.feature-card[data-delay="300"].animate {
    animation-delay: 0.3s;
}

.feature-card[data-delay="400"].animate {
    animation-delay: 0.4s;
}

.feature-card[data-delay="500"].animate {
    animation-delay: 0.5s;
}

/* ===== Release Notes Section ===== */
.release-notes {
    background: var(--color-bg-dark);
}

.section__description {
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.release-notes__container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    max-width: 900px;
    margin: 0 auto;
}

.release-notes__loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-3xl);
    color: var(--color-text-muted);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.release-notes__empty,
.release-notes__error {
    text-align: center;
    padding: var(--spacing-3xl);
    color: var(--color-text-muted);
}

.release-notes__error {
    color: #ef4444;
}

.release-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    transition: all var(--transition-base);
}

.release-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow-sm);
}

.release-card__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg) var(--spacing-xl);
    background: var(--color-bg-darker);
    border-bottom: 1px solid var(--color-border);
}

.release-card__version {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.release-card__badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--gradient-primary);
    color: var(--color-bg-dark);
    font-size: var(--font-size-sm);
    font-weight: 700;
    border-radius: var(--radius-full);
}

.release-card__pinned {
    font-size: var(--font-size-xs);
    color: var(--color-secondary);
}

.release-card__date {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.release-card__changes {
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.release-change {
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border-light);
}

.release-change:last-child {
    padding-bottom: 0;
    border-bottom: none;
}

.release-change__title {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.release-change__title:has(Fix) {
    color: #f59e0b;
}

.release-change__descr {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    line-height: 1.7;
}

.release-change__media {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.release-media {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-fast);
}

.release-media--image {
    max-width: 200px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.release-media--image:hover {
    border-color: var(--color-primary);
    transform: scale(1.02);
}

.release-media--image img {
    width: 100%;
    height: auto;
    display: block;
}

.release-media--pdf {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg-darker);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.release-media--pdf:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.release-media--pdf svg {
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .release-card__header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .release-card__changes {
        padding: var(--spacing-lg);
    }
}