/* ================================================
   Stats Showcase Module - Isolated & Optimized
   ================================================
   Water fill progress animation
   Performance optimized for mobile/desktop
   ================================================ */

.stats-showcase {
    display: flex;
    justify-content: center;
    padding: 0.5rem 0;
    contain: layout style;
}

.stats-showcase-track {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    width: 100%;
    max-width: 650px;
}

/* Stat Cards */
.stats-showcase .stat-card {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    min-width: 130px;
    max-width: 180px;
    padding: 1.25rem 0.75rem;
    background: #fff;
    border-radius: 14px;
    border: 1px solid rgba(0, 0, 0, 0.06);
    overflow: hidden;
    cursor: pointer;
    transition: border-color 0.3s, box-shadow 0.3s;
    will-change: border-color, box-shadow;
}

.stats-showcase .stat-card:hover {
    border-color: rgba(0, 0, 0, 0.12);
}

/* Water Fill Effect - Rising from bottom */
.stats-showcase .stat-card .water-fill {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 0%;
    background: linear-gradient(
        to top,
        color-mix(in srgb, var(--brand-green, #10B981) 20%, transparent) 0%,
        color-mix(in srgb, var(--brand-green, #10B981) 12%, transparent) 50%,
        color-mix(in srgb, var(--brand-green, #10B981) 5%, transparent) 80%,
        transparent 100%
    );
    pointer-events: none;
    z-index: 0;
    will-change: height;
    transform: translateZ(0);
}

/* Water wave at top */
.stats-showcase .stat-card .water-fill::before {
    content: '';
    position: absolute;
    top: -6px;
    left: -5%;
    right: -5%;
    height: 12px;
    background: 
        radial-gradient(ellipse 30% 100% at 20% 100%, 
            color-mix(in srgb, var(--brand-green, #10B981) 25%, transparent) 0%,
            transparent 100%),
        radial-gradient(ellipse 30% 100% at 80% 100%, 
            color-mix(in srgb, var(--brand-green, #10B981) 25%, transparent) 0%,
            transparent 100%);
    opacity: 0;
    transition: opacity 0.3s;
}

/* Bubble effect */
.stats-showcase .stat-card .water-fill::after {
    content: '';
    position: absolute;
    bottom: 30%;
    left: 50%;
    width: 6px;
    height: 6px;
    background: color-mix(in srgb, var(--brand-green, #10B981) 40%, white);
    border-radius: 50%;
    opacity: 0;
    transform: translateX(-50%);
}

/* Active card animations */
.stats-showcase .stat-card.active .water-fill {
    animation: waterRise var(--fill-duration, 3000ms) linear forwards;
}

.stats-showcase .stat-card.active .water-fill::before {
    opacity: 1;
    animation: waveMotion 0.8s ease-in-out infinite;
}

.stats-showcase .stat-card.active .water-fill::after {
    animation: bubbleRise var(--fill-duration, 3000ms) ease-out infinite;
}

@keyframes waterRise {
    0% { height: 0%; }
    100% { height: 100%; }
}

@keyframes waveMotion {
    0%, 100% { transform: translateX(-3%) scaleY(1); }
    50% { transform: translateX(3%) scaleY(1.3); }
}

@keyframes bubbleRise {
    0% { bottom: 10%; opacity: 0; transform: translateX(-50%) scale(0.5); }
    15% { opacity: 0.9; transform: translateX(-50%) scale(1); }
    100% { bottom: 95%; opacity: 0; transform: translateX(calc(-50% + 8px)) scale(0.3); }
}

/* Active card styling */
.stats-showcase .stat-card.active {
    border-color: color-mix(in srgb, var(--brand-green, #10B981) 50%, transparent);
    box-shadow: 
        0 4px 20px color-mix(in srgb, var(--brand-green, #10B981) 18%, transparent),
        inset 0 0 0 1px color-mix(in srgb, var(--brand-green, #10B981) 12%, transparent);
}

.stats-showcase .stat-card.active .stat-number {
    color: var(--brand-green, #10B981);
}

/* Content - Above water */
.stats-showcase .stat-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.2rem;
    text-align: center;
}

.stats-showcase .stat-number {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--color-secondary-normal-bg, #1a1a2e);
    line-height: 1.1;
    transition: color 0.3s;
}

.stats-showcase .stat-label {
    font-size: 0.7rem;
    font-weight: 600;
    color: #64748B;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

/* Dark Mode */
.dark .stats-showcase .stat-card,
[data-theme="dark"] .stats-showcase .stat-card,
.section--dark .stats-showcase .stat-card {
    background: rgba(30, 41, 59, 0.7);
    border-color: rgba(255, 255, 255, 0.1);
}

.dark .stats-showcase .stat-card .water-fill,
[data-theme="dark"] .stats-showcase .stat-card .water-fill,
.section--dark .stats-showcase .stat-card .water-fill {
    background: linear-gradient(
        to top,
        color-mix(in srgb, var(--brand-green, #10B981) 30%, transparent) 0%,
        color-mix(in srgb, var(--brand-green, #10B981) 18%, transparent) 50%,
        transparent 100%
    );
}

.dark .stats-showcase .stat-card.active,
[data-theme="dark"] .stats-showcase .stat-card.active,
.section--dark .stats-showcase .stat-card.active {
    border-color: color-mix(in srgb, var(--brand-green, #10B981) 60%, transparent);
}

.dark .stats-showcase .stat-number,
[data-theme="dark"] .stats-showcase .stat-number,
.section--dark .stats-showcase .stat-number {
    color: #fff;
}

.dark .stats-showcase .stat-label,
[data-theme="dark"] .stats-showcase .stat-label,
.section--dark .stats-showcase .stat-label {
    color: rgba(255, 255, 255, 0.6);
}

/* Mobile */
@media (max-width: 600px) {
    .stats-showcase-track {
        gap: 0.5rem;
    }
    
    .stats-showcase .stat-card {
        min-width: 95px;
        padding: 1rem 0.5rem;
        border-radius: 10px;
    }
    
    .stats-showcase .stat-number {
        font-size: 1.3rem;
    }
    
    .stats-showcase .stat-label {
        font-size: 0.6rem;
        letter-spacing: 0.2px;
    }
    
    .stats-showcase .stat-card .water-fill::after {
        display: none;
    }
}

@media (max-width: 380px) {
    .stats-showcase .stat-card {
        min-width: 80px;
        padding: 0.875rem 0.375rem;
    }
    
    .stats-showcase .stat-number {
        font-size: 1.1rem;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .stats-showcase .stat-card .water-fill,
    .stats-showcase .stat-card .water-fill::before,
    .stats-showcase .stat-card .water-fill::after {
        animation: none !important;
        transition: none !important;
    }
    
    .stats-showcase .stat-card.active .water-fill {
        height: 100%;
    }
}