/**
 * ============================================================================
 * BITH TESTIMONIAL GRID - 8 Premium Skins
 * ============================================================================
 * 
 * Complete CSS for the Testimonial Grid Elementor widget.
 * Inherits variables from master design system (bith-widgets-master.css).
 * 
 * @package Bith_Core
 * @since 1.0.0
 * 
 * ============================================================================
 * TABLE OF CONTENTS
 * ============================================================================
 * 
 * 1.0 - Widget Local Variables
 * 2.0 - Base Styles (Grid, Card Structure)
 * 3.0 - Common Elements (Avatar, Rating, Text, Author)
 * 4.0 - Skins
 *    4.1  - Skin 1: The Classic Card
 *    4.2  - Skin 2: The Speech Bubble
 *    4.3  - Skin 3: Side-by-Side (High Trust)
 *    4.4  - Skin 4: The Watermark Quote
 *    4.5  - Skin 5: Glassmorphism Stack
 *    4.6  - Skin 6: Typography Focus
 *    4.7  - Skin 7: Video Hybrid
 *    4.8  - Skin 8: The Connection Line
 * 5.0 - Animations
 * 6.0 - Responsive
 * 
 * ============================================================================
 */

/* ============================================================================
   1.0 - WIDGET LOCAL VARIABLES
   ============================================================================ */

.bith-testimonial-grid {
    /* Map global variables to local with fallbacks */
    --bith-tg-primary: var(--bith-widget-primary, #6366f1);
    --bith-tg-primary-hover: var(--bith-widget-primary-hover, #4f46e5);
    --bith-tg-secondary: var(--bith-widget-secondary, #a855f7);
    --bith-tg-accent: var(--bith-widget-accent, #06b6d4);
    --bith-tg-surface: var(--bith-widget-surface, #ffffff);
    --bith-tg-surface-alt: var(--bith-widget-surface-hover, #f8fafc);
    --bith-tg-text-heading: var(--bith-widget-text-heading, #0f172a);
    --bith-tg-text-body: var(--bith-widget-text-body, #475569);
    --bith-tg-text-muted: var(--bith-widget-text-muted, #94a3b8);
    --bith-tg-border: var(--bith-widget-border, #e2e8f0);
    --bith-tg-border-subtle: var(--bith-widget-border-subtle, #f1f5f9);
    --bith-tg-radius: var(--bith-widget-radius-xl, 20px);
    --bith-tg-radius-md: var(--bith-widget-radius-md, 12px);
    --bith-tg-shadow: var(--bith-widget-shadow-sm, 0 1px 2px 0 rgba(0, 0, 0, 0.05));
    --bith-tg-shadow-md: var(--bith-widget-shadow-md, 0 4px 6px -1px rgba(0, 0, 0, 0.1));
    --bith-tg-shadow-lg: var(--bith-widget-shadow-lg, 0 10px 15px -3px rgba(0, 0, 0, 0.1));
    --bith-tg-shadow-xl: var(--bith-widget-shadow-xl, 0 20px 25px -5px rgba(0, 0, 0, 0.1));
    --bith-tg-shadow-float: var(--bith-widget-shadow-float, 0 25px 50px -12px rgba(0, 0, 0, 0.15));
    --bith-tg-transition: var(--bith-widget-transition-normal, 0.3s ease);

    /* Gradient definitions */
    --bith-tg-gradient: linear-gradient(135deg, var(--bith-tg-primary) 0%, var(--bith-tg-secondary) 100%);
    --bith-tg-gradient-soft: linear-gradient(135deg, #f0f4ff 0%, #faf5ff 100%);
    --bith-tg-gradient-warm: linear-gradient(135deg, #fef3c7 0%, #fce7f3 100%);

    /* Star colors */
    --bith-tg-star-filled: #fbbf24;
    --bith-tg-star-empty: #e2e8f0;

    /* Typography */
    --bith-tg-font-sans: var(--bith-widget-font-primary, 'Inter', -apple-system, BlinkMacSystemFont, sans-serif);
    --bith-tg-font-serif: var(--bith-widget-font-serif, 'Playfair Display', Georgia, serif);

    font-family: var(--bith-tg-font-sans);
    box-sizing: border-box;
}

.bith-testimonial-grid *,
.bith-testimonial-grid *::before,
.bith-testimonial-grid *::after {
    box-sizing: border-box;
}


/* ============================================================================
   2.0 - BASE STYLES
   ============================================================================ */

.bith-testimonial-grid__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    align-items: start;
}

.bith-testimonial-card {
    position: relative;
    background: var(--bith-tg-surface);
    border-radius: var(--bith-tg-radius);
    transition: transform var(--bith-tg-transition), box-shadow var(--bith-tg-transition);
    width: 100%;
}


/* ============================================================================
   3.0 - COMMON ELEMENTS
   ============================================================================ */

.bith-testimonial-text {
    font-size: 1rem;
    line-height: 1.75;
    color: var(--bith-tg-text-body);
}

.bith-author-name {
    display: block;
    font-weight: 600;
    color: var(--bith-tg-text-heading);
    font-size: 0.9375rem;
}

.bith-author-role {
    display: block;
    font-size: 0.8125rem;
    color: var(--bith-tg-text-muted);
}

.bith-rating {
    display: flex;
    gap: 3px;
}

.bith-rating i {
    color: var(--bith-tg-star-filled);
    font-size: 0.875rem;
}

.bith-rating i.fa-regular {
    color: var(--bith-tg-star-empty);
}

.avatar {
    object-fit: cover;
    border-radius: 50%;
}


/* ============================================================================
   4.1 - SKIN 1: THE CLASSIC CARD
   ============================================================================ */

/* Add top padding to prevent avatar overlap with content above */
.bith-testimonial-grid__grid.skin-1 {
    padding-top: 50px;
}

.bith-testimonial-grid__grid.skin-1 .bith-testimonial-card {
    padding: 60px 30px 30px;
    text-align: center;
    box-shadow: var(--bith-tg-shadow-lg);
    overflow: visible;
}

.bith-testimonial-grid__grid.skin-1 .bith-testimonial-card::before {
    content: '"';
    position: absolute;
    top: 45px;
    right: 30px;
    font-family: var(--bith-tg-font-serif);
    font-size: 5rem;
    line-height: 1;
    color: var(--bith-tg-border);
    pointer-events: none;
}

.bith-testimonial-grid__grid.skin-1 .bith-testimonial-card:hover {
    box-shadow: var(--bith-tg-shadow-float);
}

.bith-testimonial-grid__grid.skin-1 .bith-avatar-wrapper {
    position: absolute;
    top: -40px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 80px;
    padding: 4px;
    background: var(--bith-tg-gradient);
    border-radius: 50%;
    box-shadow: var(--bith-tg-shadow-md);
}

.bith-testimonial-grid__grid.skin-1 .bith-avatar-wrapper .avatar {
    width: 100%;
    height: 100%;
    border: 3px solid var(--bith-tg-surface);
}

.bith-testimonial-grid__grid.skin-1 .bith-rating {
    justify-content: center;
    margin-bottom: 20px;
}

.bith-testimonial-grid__grid.skin-1 .bith-testimonial-text {
    margin-bottom: 20px;
}

.bith-testimonial-grid__grid.skin-1 .bith-author-info {
    padding-top: 16px;
    border-top: 1px solid var(--bith-tg-border-subtle);
}


/* ============================================================================
   4.2 - SKIN 2: THE SPEECH BUBBLE
   ============================================================================ */

.bith-testimonial-grid__grid.skin-2 .bith-testimonial-card {
    background: transparent;
    padding: 0;
}

.bith-testimonial-grid__grid.skin-2 .bith-testimonial-card:hover {
    transform: none;
}

.bith-testimonial-grid__grid.skin-2 .bith-bubble-content {
    position: relative;
    background: var(--bith-tg-surface);
    padding: 30px;
    border-radius: var(--bith-tg-radius);
    box-shadow: var(--bith-tg-shadow-lg);
    margin-bottom: 20px;
    transition: transform var(--bith-tg-transition), box-shadow var(--bith-tg-transition);
}

.bith-testimonial-grid__grid.skin-2 .bith-testimonial-card:hover .bith-bubble-content {
    transform: translateY(-4px);
    box-shadow: var(--bith-tg-shadow-float);
}

/* Speech bubble triangle */
.bith-testimonial-grid__grid.skin-2 .bith-bubble-content::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 40px;
    width: 24px;
    height: 24px;
    background: var(--bith-tg-surface);
    transform: rotate(45deg);
    box-shadow: 4px 4px 8px -4px rgba(0, 0, 0, 0.1);
    border-radius: 0 0 4px 0;
}

.bith-testimonial-grid__grid.skin-2 .bith-testimonial-text {
    position: relative;
    z-index: 1;
}

.bith-testimonial-grid__grid.skin-2 .bith-author-section {
    display: flex;
    align-items: center;
    gap: 14px;
    padding-left: 14px;
}

.bith-testimonial-grid__grid.skin-2 .avatar {
    width: 50px;
    height: 50px;
    border: 2px solid var(--bith-tg-surface);
    box-shadow: var(--bith-tg-shadow-md);
}


/* ============================================================================
   4.3 - SKIN 3: SIDE-BY-SIDE (HIGH TRUST)
   ============================================================================ */

.bith-testimonial-grid__grid.skin-3 .bith-testimonial-card {
    display: flex;
    overflow: hidden;
    min-height: 260px;
    box-shadow: var(--bith-tg-shadow-xl);
}

.bith-testimonial-grid__grid.skin-3 .bith-testimonial-card:hover {
    box-shadow: var(--bith-tg-shadow-float);
}

.bith-testimonial-grid__grid.skin-3 .bith-photo-side {
    flex: 0 0 220px;
    position: relative;
    overflow: hidden;
}

.bith-testimonial-grid__grid.skin-3 .bith-photo-side::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(168, 85, 247, 0.15) 100%);
    pointer-events: none;
}

.bith-testimonial-grid__grid.skin-3 .bith-photo-side .avatar {
    width: 100%;
    height: 100%;
    border-radius: 0;
}

.bith-testimonial-grid__grid.skin-3 .bith-content-side {
    flex: 1;
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.bith-testimonial-grid__grid.skin-3 .bith-rating {
    margin-bottom: 16px;
}

.bith-testimonial-grid__grid.skin-3 .bith-testimonial-text {
    font-size: 1.0625rem;
    margin-bottom: 20px;
}

.bith-testimonial-grid__grid.skin-3 .bith-author-name {
    font-size: 1rem;
}


/* ============================================================================
   4.4 - SKIN 4: THE WATERMARK QUOTE
   ============================================================================ */

.bith-testimonial-grid__grid.skin-4 .bith-testimonial-card {
    padding: 40px;
    box-shadow: var(--bith-tg-shadow-md);
    border: 1px solid var(--bith-tg-border);
    overflow: hidden;
}

.bith-testimonial-grid__grid.skin-4 .bith-testimonial-card::before {
    content: '"';
    position: absolute;
    top: -20px;
    left: 10px;
    font-family: var(--bith-tg-font-serif);
    font-size: 12rem;
    line-height: 1;
    color: var(--bith-tg-surface-alt);
    pointer-events: none;
    z-index: 0;
}

.bith-testimonial-grid__grid.skin-4 .bith-testimonial-card:hover {
    box-shadow: var(--bith-tg-shadow-lg);
    border-color: var(--bith-tg-primary-hover);
}

.bith-testimonial-grid__grid.skin-4 .bith-testimonial-text {
    position: relative;
    z-index: 1;
    font-size: 1.0625rem;
    margin-bottom: 24px;
}

.bith-testimonial-grid__grid.skin-4 .bith-author-block {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 14px;
}

.bith-testimonial-grid__grid.skin-4 .avatar {
    width: 48px;
    height: 48px;
    box-shadow: var(--bith-tg-shadow);
}


/* ============================================================================
   4.5 - SKIN 5: GLASSMORPHISM STACK
   ============================================================================ */

.bith-testimonial-grid__grid.skin-5 .bith-testimonial-card {
    background: transparent;
    padding: 20px;
    position: relative;
}

.bith-testimonial-grid__grid.skin-5 .bith-testimonial-card:hover {
    transform: none;
}

/* Stacked paper layers */
.bith-testimonial-grid__grid.skin-5 .bith-testimonial-card::before,
.bith-testimonial-grid__grid.skin-5 .bith-testimonial-card::after {
    content: '';
    position: absolute;
    width: calc(100% - 40px);
    height: calc(100% - 40px);
    background: var(--bith-tg-surface);
    border-radius: var(--bith-tg-radius);
    box-shadow: var(--bith-tg-shadow-md);
}

.bith-testimonial-grid__grid.skin-5 .bith-testimonial-card::before {
    top: 28px;
    left: 28px;
    transform: rotate(3deg);
    opacity: 0.6;
}

.bith-testimonial-grid__grid.skin-5 .bith-testimonial-card::after {
    top: 24px;
    left: 24px;
    transform: rotate(-2deg);
    opacity: 0.8;
}

.bith-testimonial-grid__grid.skin-5 .bith-glass-card {
    position: relative;
    z-index: 2;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 30px;
    border-radius: var(--bith-tg-radius);
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: var(--bith-tg-shadow-lg);
    transition: transform var(--bith-tg-transition), box-shadow var(--bith-tg-transition);
}

.bith-testimonial-grid__grid.skin-5 .bith-testimonial-card:hover .bith-glass-card {
    transform: translateY(-6px) rotate(0deg);
    box-shadow: var(--bith-tg-shadow-float);
}

.bith-testimonial-grid__grid.skin-5 .bith-rating {
    margin-bottom: 16px;
}

.bith-testimonial-grid__grid.skin-5 .bith-testimonial-text {
    margin-bottom: 20px;
}

.bith-testimonial-grid__grid.skin-5 .bith-author-block {
    display: flex;
    align-items: center;
    gap: 12px;
}

.bith-testimonial-grid__grid.skin-5 .avatar {
    width: 44px;
    height: 44px;
    border: 2px solid rgba(255, 255, 255, 0.8);
    box-shadow: var(--bith-tg-shadow);
}


/* ============================================================================
   4.6 - SKIN 6: TYPOGRAPHY FOCUS
   ============================================================================ */

.bith-testimonial-grid__grid.skin-6 .bith-testimonial-card {
    background: transparent;
    padding: 30px 20px;
    text-align: center;
    border-top: 1px solid var(--bith-tg-border);
    border-bottom: 1px solid var(--bith-tg-border);
    border-radius: 0;
}

.bith-testimonial-grid__grid.skin-6 .bith-testimonial-card:hover {
    transform: none;
    border-color: var(--bith-tg-primary-hover);
}

.bith-testimonial-grid__grid.skin-6 .bith-testimonial-text {
    font-family: var(--bith-tg-font-serif);
    font-size: 1.375rem;
    font-style: italic;
    line-height: 1.8;
    color: var(--bith-tg-text-heading);
    margin-bottom: 24px;
    position: relative;
}

.bith-testimonial-grid__grid.skin-6 .bith-testimonial-text::before {
    content: '—';
    display: block;
    font-size: 1.5rem;
    color: var(--bith-tg-primary);
    margin-bottom: 16px;
}

.bith-testimonial-grid__grid.skin-6 .bith-author-minimal {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 8px 16px;
    background: var(--bith-tg-surface);
    border-radius: 50px;
    box-shadow: var(--bith-tg-shadow);
}

.bith-testimonial-grid__grid.skin-6 .avatar {
    width: 30px;
    height: 30px;
}

.bith-testimonial-grid__grid.skin-6 .bith-author-info {
    text-align: left;
}

.bith-testimonial-grid__grid.skin-6 .bith-author-name {
    font-size: 0.8125rem;
    font-family: var(--bith-tg-font-sans);
}

.bith-testimonial-grid__grid.skin-6 .bith-author-role {
    font-size: 0.6875rem;
}


/* ============================================================================
   4.7 - SKIN 7: VIDEO HYBRID
   ============================================================================ */

.bith-testimonial-grid__grid.skin-7 .bith-testimonial-card {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 24px;
    box-shadow: var(--bith-tg-shadow-lg);
}

.bith-testimonial-grid__grid.skin-7 .bith-testimonial-card:hover {
    box-shadow: var(--bith-tg-shadow-float);
}

.bith-testimonial-grid__grid.skin-7 .bith-video-preview {
    position: relative;
    flex-shrink: 0;
    width: 100px;
    height: 100px;
    cursor: pointer;
}

.bith-testimonial-grid__grid.skin-7 .bith-video-preview .avatar {
    width: 100%;
    height: 100%;
    border: 3px solid var(--bith-tg-surface);
    box-shadow: var(--bith-tg-shadow-md);
}

.bith-testimonial-grid__grid.skin-7 .bith-play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 36px;
    height: 36px;
    background: var(--bith-tg-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.bith-testimonial-grid__grid.skin-7 .bith-play-button i {
    color: white;
    font-size: 0.75rem;
    margin-left: 2px;
}

.bith-testimonial-grid__grid.skin-7 .bith-video-preview:hover .bith-play-button {
    transform: translate(-50%, -50%) scale(1.1);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

/* Pulse rings */
.bith-testimonial-grid__grid.skin-7 .bith-pulse-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    border: 2px solid var(--bith-tg-primary);
    border-radius: 50%;
    opacity: 0;
    animation: bith-tg-pulse-ring 2s ease-out infinite;
}

.bith-testimonial-grid__grid.skin-7 .bith-pulse-ring--delay {
    animation-delay: 1s;
}

.bith-testimonial-grid__grid.skin-7 .bith-video-info {
    flex: 1;
}

.bith-testimonial-grid__grid.skin-7 .bith-video-label {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--bith-tg-primary);
    background: rgba(99, 102, 241, 0.1);
    padding: 4px 10px;
    border-radius: 50px;
    margin-bottom: 10px;
}

.bith-testimonial-grid__grid.skin-7 .bith-testimonial-text {
    font-size: 0.9375rem;
    margin-bottom: 12px;
}

.bith-testimonial-grid__grid.skin-7 .bith-author-name {
    font-size: 0.875rem;
}

.bith-testimonial-grid__grid.skin-7 .bith-author-role {
    font-size: 0.75rem;
}


/* ============================================================================
   4.8 - SKIN 8: THE CONNECTION LINE
   ============================================================================ */

.bith-testimonial-grid__grid.skin-8 .bith-testimonial-card {
    padding: 30px;
    box-shadow: var(--bith-tg-shadow-lg);
    border-left: 3px solid var(--bith-tg-primary);
}

.bith-testimonial-grid__grid.skin-8 .bith-testimonial-card:hover {
    box-shadow: var(--bith-tg-shadow-float);
    border-left-color: var(--bith-tg-secondary);
}

.bith-testimonial-grid__grid.skin-8 .bith-connection-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.bith-testimonial-grid__grid.skin-8 .avatar {
    width: 50px;
    height: 50px;
    flex-shrink: 0;
    border: 2px solid var(--bith-tg-surface);
    box-shadow: var(--bith-tg-shadow);
}

.bith-testimonial-grid__grid.skin-8 .bith-connection-line {
    flex: 1;
    height: 2px;
    background: linear-gradient(90deg, var(--bith-tg-primary) 0%, var(--bith-tg-border) 100%);
    position: relative;
}

.bith-testimonial-grid__grid.skin-8 .bith-connection-line::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: var(--bith-tg-primary);
    border-radius: 50%;
}

.bith-testimonial-grid__grid.skin-8 .bith-connection-line::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background: var(--bith-tg-border);
    border-radius: 50%;
}

.bith-testimonial-grid__grid.skin-8 .bith-author-info {
    flex-shrink: 0;
}

.bith-testimonial-grid__grid.skin-8 .bith-testimonial-text {
    margin-bottom: 16px;
    padding-left: 20px;
    border-left: 2px solid var(--bith-tg-border-subtle);
}

.bith-testimonial-grid__grid.skin-8 .bith-rating {
    padding-left: 20px;
}


/* ============================================================================
   5.0 - ANIMATIONS
   ============================================================================ */

@keyframes bith-tg-pulse-ring {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.6;
    }

    100% {
        transform: translate(-50%, -50%) scale(1.5);
        opacity: 0;
    }
}

/* Scroll reveal animation */
.bith-testimonial-grid[data-reveal="true"] .bith-testimonial-card {
    opacity: 0;
    transform: translateY(30px);
}

.bith-testimonial-grid[data-reveal="true"] .bith-testimonial-card.revealed {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}


/* ============================================================================
   6.0 - RESPONSIVE
   ============================================================================ */

@media (max-width: 1024px) {
    .bith-testimonial-grid__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .bith-testimonial-grid__grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .bith-testimonial-grid__grid.skin-3 {
        flex-direction: column;
    }

    .bith-testimonial-grid__grid.skin-3 .bith-photo-side {
        flex: 0 0 180px;
    }

    .bith-testimonial-grid__grid.skin-7 {
        flex-direction: column;
        text-align: center;
    }

    .bith-testimonial-grid__grid.skin-7 .bith-video-preview {
        width: 120px;
        height: 120px;
    }

    .bith-testimonial-grid__grid.skin-7 .bith-video-info {
        text-align: center;
    }
}