/* ============================================
   ViaLuma — Component Styles
   ============================================ */

/* Stats Row */
.stats-row {
    display: flex;
    justify-content: center;
    gap: var(--space-4xl);
    padding: var(--space-3xl) 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    margin: var(--space-4xl) 0;
}

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

.stat-value {
    font-family: var(--font-primary);
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--color-lime);
    line-height: 1;
    margin-bottom: var(--space-xs);
}

.stat-label {
    font-size: var(--text-xs);
    color: var(--color-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Section Header */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-4xl);
}

.section-header h2 {
    margin-bottom: var(--space-lg);
}

.section-header p {
    font-size: var(--text-lg);
}

/* Divider */
.section-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border), transparent);
    margin: var(--space-4xl) 0;
}

/* Tag/Badge */
.tag {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-family: var(--font-primary);
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    background: var(--color-lime-glow);
    color: var(--color-lime);
}

.tag-outline {
    background: transparent;
    border: 1px solid var(--color-lime);
}

/* Card Hover Effect */
.card-hover {
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

/* Icon Circle */
.icon-circle {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-lime-glow);
    color: var(--color-lime);
    flex-shrink: 0;
}

.icon-circle-sm {
    width: 40px;
    height: 40px;
}

.icon-circle-lg {
    width: 72px;
    height: 72px;
}

/* Animated Number */
.animated-number {
    display: inline-block;
    transition: all 0.6s ease;
}

/* Feature List */
.feature-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.feature-list-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    font-size: var(--text-sm);
    color: var(--color-muted-light);
}

.feature-list-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--color-lime-glow);
    color: var(--color-lime);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 12px;
    margin-top: 2px;
}

/* Testimonial Card */
.testimonial-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-3xl);
}

.testimonial-quote {
    font-size: var(--text-lg);
    font-style: italic;
    color: var(--color-white);
    margin-bottom: var(--space-xl);
    line-height: 1.6;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.testimonial-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-charcoal);
}

.testimonial-name {
    font-weight: 600;
    font-size: var(--text-sm);
}

.testimonial-role {
    font-size: var(--text-xs);
    color: var(--color-muted);
}

/* Accordion */
.accordion-item {
    border-bottom: 1px solid var(--color-border);
}

.accordion-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-xl) 0;
    cursor: pointer;
    width: 100%;
    text-align: left;
    font-family: var(--font-primary);
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-white);
    transition: color var(--transition-fast);
}

.accordion-header:hover {
    color: var(--color-lime);
}

.accordion-icon {
    width: 24px;
    height: 24px;
    transition: transform var(--transition-base);
}

.accordion-item.active .accordion-icon {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.accordion-item.active .accordion-content {
    max-height: 500px;
}

.accordion-body {
    padding-bottom: var(--space-xl);
    font-size: var(--text-sm);
    color: var(--color-muted);
    line-height: 1.7;
}

/* Tabs */
.tabs {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-2xl);
    border-bottom: 1px solid var(--color-border);
    padding-bottom: var(--space-sm);
}

.tab-btn {
    font-family: var(--font-primary);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: var(--space-sm) var(--space-lg);
    color: var(--color-muted);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    transition: all var(--transition-fast);
}

.tab-btn:hover {
    color: var(--color-white);
}

.tab-btn.active {
    color: var(--color-lime);
    background: var(--color-lime-glow);
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
    animation: fadeInUp 0.3s ease;
}

/* Loading Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-lime);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--space-4xl) var(--space-xl);
}

.empty-state-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-xl);
    border-radius: 50%;
    background: var(--color-surface);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-muted);
}

.empty-state h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-md);
}

.empty-state p {
    font-size: var(--text-sm);
    color: var(--color-muted);
    max-width: 400px;
    margin: 0 auto;
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    background: var(--color-charcoal);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg) var(--space-xl);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-toast);
    transform: translateY(120%);
    transition: transform var(--transition-base);
}

.toast.active {
    transform: translateY(0);
}

.toast-success {
    border-color: var(--color-lime);
}

.toast-success .toast-icon {
    color: var(--color-lime);
}

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.8);
    z-index: var(--z-modal);
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--gutter);
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: var(--color-charcoal);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    max-width: 500px;
    width: 100%;
    padding: var(--space-3xl);
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-close {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: var(--color-muted);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--color-surface);
    color: var(--color-white);
}

/* Scroll to Top */
.scroll-top {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-lime);
    color: var(--color-black);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: var(--z-sticky);
    cursor: pointer;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-top:hover {
    background: var(--color-lime-bright);
    box-shadow: var(--shadow-glow);
}

/* Breadcrumbs */
.breadcrumbs {
    font-size: var(--text-xs);
    color: var(--color-muted);
    padding: var(--space-xl) 0;
}

.breadcrumbs a {
    color: var(--color-muted);
    transition: color var(--transition-fast);
}

.breadcrumbs a:hover {
    color: var(--color-lime);
}

.breadcrumbs .separator {
    margin: 0 var(--space-sm);
    opacity: 0.5;
}

.breadcrumbs .current {
    color: var(--color-white);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-top: var(--space-3xl);
}

.pagination .page-numbers {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-muted);
    transition: all var(--transition-fast);
}

.pagination .page-numbers:hover {
    color: var(--color-white);
    background: var(--color-surface);
}

.pagination .page-numbers.current {
    background: var(--color-lime);
    color: var(--color-black);
}

/* No Results */
.no-results {
    text-align: center;
    padding: var(--space-5xl) var(--space-xl);
}

.no-results h2 {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-lg);
}

/* Accessibility: Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .fade-in,
    .fade-in-left,
    .fade-in-right {
        opacity: 1;
        transform: none;
    }

    .zone-dot,
    .energy-line,
    .hero-scroll-indicator {
        animation: none;
    }
}

/* High Contrast Mode Support */
@media (forced-colors: active) {
    .btn-primary {
        border: 2px solid currentColor;
    }

    .zone-dot {
        border: 2px solid currentColor;
    }
}