/* 
 * Modern Partners Slider
 * Optimized for performance and accessibility
 * Version: 2.0
 */

/* Partner Section - Modern Implementation */
.partner-section {
    padding: 60px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    position: relative;
    overflow: hidden;
}

.partner-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(246, 201, 69, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(246, 201, 69, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.partner-slider-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
    padding: 40px 60px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
}

.partner-slider {
    position: relative;
    overflow: hidden;
    width: 100%;
    height: 140px;
    mask: linear-gradient(to right, transparent 0%, black 5%, black 95%, transparent 100%);
    -webkit-mask: linear-gradient(to right, transparent 0%, black 5%, black 95%, transparent 100%);
}

.partner-track {
    display: flex;
    align-items: center;
    width: max-content;
    height: 100%;
    animation: slidePartners 30s linear infinite;
    transition: transform 0.3s ease;
    will-change: transform;
}

.partner-track:hover {
    animation-play-state: paused;
}

.partner-track.paused {
    animation-play-state: paused;
}

.partner-item {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding: 0 30px;
    transition: all 0.3s ease;
    opacity: 0.7;
}

.partner-item:hover {
    opacity: 1;
    transform: scale(1.05);
}

.partner-item img {
    max-height: 80px;
    max-width: 160px;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: grayscale(30%) contrast(0.9);
    transition: all 0.3s ease;
}

.partner-item:hover img {
    filter: grayscale(0%) contrast(1);
}

/* Navigation Controls */
.partner-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border: none;
    border-radius: 50%;
    background: rgba(246, 201, 69, 0.9);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    opacity: 0;
    pointer-events: none;
    z-index: 2;
    box-shadow: 0 4px 15px rgba(246, 201, 69, 0.3);
}

.partner-slider-container:hover .partner-nav {
    opacity: 1;
    pointer-events: auto;
}

.partner-nav:hover {
    background: rgba(246, 201, 69, 1);
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 6px 20px rgba(246, 201, 69, 0.4);
}

.partner-nav:focus {
    outline: 2px solid rgba(246, 201, 69, 0.6);
    outline-offset: 2px;
}

.partner-nav-prev {
    left: 15px;
}

.partner-nav-next {
    right: 15px;
}

/* Play/Pause Control */
.partner-control {
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    background: rgba(246, 201, 69, 0.9);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    opacity: 0.7;
    z-index: 2;
}

.partner-control:hover {
    opacity: 1;
    transform: translateX(-50%) scale(1.1);
}

.partner-control:focus {
    outline: 2px solid rgba(246, 201, 69, 0.6);
    outline-offset: 2px;
}

.partner-control .play-icon {
    display: none;
}

.partner-control .pause-icon {
    display: block;
}

.partner-control.paused .play-icon {
    display: block;
}

.partner-control.paused .pause-icon {
    display: none;
}

/* Animation Keyframes */
@keyframes slidePartners {
    0% { 
        transform: translateX(0); 
    }
    100% { 
        transform: translateX(calc(-50% - 30px)); 
    }
}

/* Tablet Responsive */
@media (max-width: 992px) {
    .partner-section {
        padding: 40px 0;
    }
    
    .partner-slider-container {
        padding: 30px 40px;
    }
    
    .partner-slider {
        height: 100px;
    }
    
    .partner-item img {
        max-height: 65px;
        max-width: 130px;
    }
    
    .partner-nav {
        opacity: 0.8;
        pointer-events: auto;
    }
}

/* Mobile Responsive */
@media (max-width: 576px) {
    .partner-section {
        padding: 30px 0;
        margin: -15px !important;
        margin-top: 20px !important;
    }
    
    .partner-slider-container {
        padding: 20px 15px;
        margin: 0 15px;
        backdrop-filter: blur(5px);
    }
    
    .partner-slider {
        height: 80px;
    }
    
    .partner-item {
        padding: 0 15px;
    }
    
    .partner-item img {
        max-height: 50px;
        max-width: 100px;
    }
    
    .partner-nav {
        width: 36px;
        height: 36px;
        opacity: 1;
        pointer-events: auto;
    }
    
    .partner-nav-prev {
        left: 10px;
    }
    
    .partner-nav-next {
        right: 10px;
    }
    
    .partner-control {
        width: 32px;
        height: 32px;
        bottom: -15px;
        opacity: 1;
    }
    
    /* Reduce animation speed on mobile for better UX */
    .partner-track {
        animation-duration: 25s;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .partner-item img {
        filter: contrast(1.2);
    }
    
    .partner-nav {
        background: #000;
        border: 2px solid #fff;
    }
    
    .partner-control {
        background: #000;
        border: 2px solid #fff;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .partner-section {
        background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    }
    
    .partner-slider-container {
        background: rgba(255, 255, 255, 0.1);
        
    }
    
    .partner-item img {
        filter: brightness(0.9) contrast(1.1);
    }
    
    .partner-item:hover img {
        filter: brightness(1) contrast(1.2);
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .partner-track {
        animation: none !important;
    }
    
    .partner-item,
    .partner-nav,
    .partner-control {
        transition: none;
    }
    
    .partner-control {
        display: none;
    }
}

/* Print styles */
@media print {
    .partner-nav,
    .partner-control {
        display: none;
    }
    
    .partner-track {
        animation: none;
        transform: none !important;
    }
    
    .partner-item {
        display: inline-block;
        page-break-inside: avoid;
    }
}