/* partners.css */

/* Стили для секции партнеров */
.partners-section {
    position: relative;
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-xl) 0;
    background: var(--color-surface-dark);
}

.partners-title {
    position: relative;
    letter-spacing: 1px;
    color: var(--color-text);
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.partners-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--color-border-gold);
    border-radius: 2px;
}

/* Контейнер для бегущих строк */
.partners-marquee-wrapper {
    overflow: hidden;
    position: relative;
    padding: var(--spacing-lg) 0;
    margin: var(--spacing-md) 0;
}

/* Общие стили для бегущих строк */
.partners-marquee {
    display: flex;
    width: fit-content;
}

.partners-track {
    display: flex;
    align-items: center;
    gap: 60px;
    padding: 0 30px;
}

/* Стили логотипов партнеров */
.partner-logo-item {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 180px;
    height: 120px;
    padding: 15px;
    background: var(--color-surface-light);
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.partner-logo-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.1), 
        transparent);
    transition: left 0.6s ease;
}

.partner-logo-item:hover::before {
    left: 100%;
}

.partner-logo-item:hover {
    background: var(--color-surface-medium);
    border-color: var(--color-accent-light);
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.partner-logo-item:active {
    transform: translateY(-2px) scale(0.98);
}

.partner-logo-img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: brightness(0.9) grayscale(0.2);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.partner-logo-item:hover .partner-logo-img {
    filter: brightness(1.2) grayscale(0);
    transform: scale(1.1);
}

/* Анимация для первой строки (слева направо) */
.partners-marquee-left .partners-track {
    animation: scrollLeft 45s linear infinite;
}

/* Анимация для второй строки (справа налево) */
.partners-marquee-right .partners-track {
    animation: scrollRight 40s linear infinite;
}

@keyframes scrollLeft {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

@keyframes scrollRight {
    0% {
        transform: translateX(-50%);
    }
    100% {
        transform: translateX(0);
    }
}

/* Градиентные маски для плавного перехода */
.partners-marquee-wrapper::before,
.partners-marquee-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 150px;
    z-index: 2;
    pointer-events: none;
}

.partners-marquee-wrapper::before {
    left: 0;
    background: linear-gradient(to right, 
        var(--color-surface-dark) 0%, 
        transparent 100%);
}

.partners-marquee-wrapper::after {
    right: 0;
    background: linear-gradient(to left, 
        var(--color-surface-dark) 0%, 
        transparent 100%);
}

/* Пауза анимации при наведении */
.partners-marquee-wrapper:hover .partners-track {
    animation-play-state: paused;
}

/* Индикатор загрузки для логотипов */
.partner-logo-item.loading {
    background: var(--color-surface-light);
}

.partner-logo-item.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 30px;
    height: 30px;
    border: 3px solid var(--color-border);
    border-top: 3px solid var(--color-secondary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Адаптивность */
@media (max-width: 1400px) {
    .partners-track {
        gap: 50px;
    }
    
    .partner-logo-item {
        width: 160px;
        height: 110px;
        padding: 12px;
    }
}

@media (max-width: 1200px) {
    .partners-track {
        gap: 45px;
    }
    
    .partner-logo-item {
        width: 150px;
        height: 100px;
        padding: 12px;
    }
    
    .partners-marquee-wrapper::before,
    .partners-marquee-wrapper::after {
        width: 120px;
    }
}

@media (max-width: 992px) {
    .partners-section {
        padding: var(--spacing-lg) 0;
        margin: var(--spacing-lg) 0;
    }
    
    .partners-track {
        gap: 40px;
    }
    
    .partner-logo-item {
        width: 140px;
        height: 95px;
        padding: 10px;
    }
    
    .partners-marquee-wrapper {
        padding: var(--spacing-md) 0;
    }
}

@media (max-width: 768px) {
    .partners-title {
        margin-bottom: var(--spacing-lg);
    }
    
    .partners-track {
        gap: 35px;
    }
    
    .partner-logo-item {
        width: 130px;
        height: 90px;
        padding: 10px;
    }
    
    .partners-marquee-wrapper::before,
    .partners-marquee-wrapper::after {
        width: 80px;
    }
    
    .partners-marquee-wrapper {
        padding: var(--spacing-sm) 0;
        margin: var(--spacing-sm) 0;
    }
    
    .partner-logo-item:hover {
        transform: translateY(-3px);
    }
}

@media (max-width: 576px) {
    .partners-section {
        padding: var(--spacing-md) 0;
        margin: var(--spacing-md) 0;
    }
    
    .partners-track {
        gap: 30px;
    }
    
    .partner-logo-item {
        width: 120px;
        height: 85px;
        padding: 8px;
    }
    
    .partners-marquee-wrapper::before,
    .partners-marquee-wrapper::after {
        width: 60px;
    }
    
    .partners-marquee-wrapper {
        padding: 20px 0;
    }
    
    .partner-logo-img {
        filter: brightness(0.95) grayscale(0.1);
    }
}

@media (max-width: 480px) {
    .partners-track {
        gap: 25px;
    }
    
    .partner-logo-item {
        width: 110px;
        height: 80px;
        padding: 6px;
    }
    
    .partners-marquee-wrapper::before,
    .partners-marquee-wrapper::after {
        width: 50px;
    }
}

@media (max-width: 400px) {
    .partners-track {
        gap: 20px;
    }
    
    .partner-logo-item {
        width: 100px;
        height: 70px;
        padding: 5px;
    }
}

/* Отключение анимаций для пользователей, которые их предпочитают избегать */
@media (prefers-reduced-motion: reduce) {
    .partners-marquee-left .partners-track,
    .partners-marquee-right .partners-track {
        animation: none;
        justify-content: center;
        flex-wrap: wrap;
        gap: 25px;
        padding: 0;
    }
    
    .partners-track {
        padding: 0;
        transform: none !important;
    }
    
    .partners-marquee-wrapper::before,
    .partners-marquee-wrapper::after {
        display: none;
    }
    
    .partner-logo-item:hover {
        transform: none;
    }
}

/* Поддержка touch-устройств */
@media (hover: none) and (pointer: coarse) {
    .partner-logo-item:hover {
        transform: none;
        background: var(--color-surface-light);
        border-color: var(--color-border);
        box-shadow: none;
    }
    
    .partner-logo-item:active {
        transform: scale(0.95);
        background: var(--color-surface-medium);
    }
    
    .partner-logo-item:hover .partner-logo-img {
        transform: none;
        filter: brightness(0.9) grayscale(0.2);
    }
    
    .partners-marquee-wrapper:hover .partners-track {
        animation-play-state: running;
    }
}

/* Темный режим для светлых логотипов */
.partner-logo-item.dark-logo .partner-logo-img {
    filter: brightness(0.8) grayscale(0.3) contrast(1.2);
}

.partner-logo-item.dark-logo:hover .partner-logo-img {
    filter: brightness(1.1) grayscale(0) contrast(1);
}