/* GTAIScience - Page-specific Styles */

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: var(--gradient-dark);
}

.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-glow);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: var(--space-8);
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-6);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-8);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
}

/* Technology page */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-6);
}

.tech-card {
    position: relative;
    padding: var(--space-8);
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

.tech-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.tech-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

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

.tech-icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--space-4);
    color: var(--color-primary);
}

/* Products page */
.products-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: var(--space-8);
}

.product-sidebar {
    position: sticky;
    top: calc(var(--header-height) + var(--space-6));
    align-self: start;
}

.category-tree {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
}

.category-item {
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.category-item:hover,
.category-item.active {
    background: rgba(0, 102, 255, 0.1);
    color: var(--color-primary-light);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-6);
}

.product-card {
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

.product-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.product-card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: var(--color-bg-tertiary);
}

.product-card-body {
    padding: var(--space-5);
}

.product-card-title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-2);
}

.product-card-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Media Gallery */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--space-4);
}

.gallery-item {
    position: relative;
    aspect-ratio: 4/3;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-item-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(transparent 50%, rgba(0,0,0,0.7));
    opacity: 0;
    transition: opacity var(--transition-base);
    display: flex;
    align-items: flex-end;
    padding: var(--space-4);
}

.gallery-item:hover .gallery-item-overlay {
    opacity: 1;
}

/* Lightbox */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-image {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
    border-radius: var(--radius-md);
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
    position: absolute;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background: var(--color-bg-card);
    color: var(--color-text-primary);
    font-size: var(--font-size-xl);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.lightbox-close { top: var(--space-6); right: var(--space-6); }
.lightbox-prev { left: var(--space-6); top: 50%; transform: translateY(-50%); }
.lightbox-next { right: var(--space-6); top: 50%; transform: translateY(-50%); }

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
    background: var(--color-primary);
}

/* About page - Timeline */
.timeline {
    position: relative;
    padding-left: var(--space-8);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-border);
}

.timeline-item {
    position: relative;
    padding-bottom: var(--space-8);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: calc(-1 * var(--space-8) - 5px);
    top: 6px;
    width: 12px;
    height: 12px;
    background: var(--color-primary);
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(0, 102, 255, 0.5);
}

.timeline-date {
    font-size: var(--font-size-sm);
    color: var(--color-primary-light);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--space-2);
}

/* Contact page */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
}

.contact-info-item {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-4) 0;
    border-bottom: 1px solid var(--color-border);
}

.contact-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 102, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-primary);
    flex-shrink: 0;
}