/**
 * Ensemble Sponsors Styles
 * 
 * Uses existing Designer CSS variables only
 * NO new variables - single source of truth
 *
 * @package Ensemble
 * @subpackage Addons/Sponsors
 * @version 1.0.0
 */

/* ============================================
   BASE STYLES
   ============================================ */

.es-sponsors {
    margin: var(--ensemble-section-spacing, 40px) 0;
}

.es-sponsors__title {
    font-family: var(--ensemble-font-heading, inherit);
    font-size: var(--ensemble-h3-size, 24px);
    font-weight: var(--ensemble-heading-weight, 600);
    color: var(--ensemble-text, #1a1a1a);
    text-align: center;
    margin: 0 0 24px;
}

/* Sponsor item base */
.es-sponsors__item {
    display: flex;
    align-items: center;
    justify-content: center;
}

.es-sponsor-link {
    display: block;
    text-decoration: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.es-sponsor-link:hover {
    opacity: 0.8;
    transform: scale(1.05);
}

.es-sponsor-logo {
    width: auto;
    max-width: 100%;
    height: var(--es-sponsor-height, 60px);
    object-fit: contain;
    transition: filter 0.3s ease;
}

.es-sponsor-name {
    font-family: var(--ensemble-font-heading, inherit);
    font-size: var(--ensemble-body-size, 16px);
    font-weight: 600;
    color: var(--ensemble-text, #1a1a1a);
}

/* Grayscale effect */
.es-sponsors--grayscale .es-sponsor-logo {
    filter: grayscale(100%);
}

.es-sponsors--grayscale-hover .es-sponsor-logo:hover {
    filter: grayscale(0%);
}

/* ============================================
   CAROUSEL STYLE
   ============================================ */

.es-sponsors--carousel {
    position: relative;
}

.es-sponsors__carousel {
    position: relative;
    overflow: hidden;
}

.es-sponsors__track {
    display: flex;
    transition: transform 0.5s ease;
}

.es-sponsors__slide {
    flex: 0 0 auto;
    padding: 0 var(--ensemble-grid-gap, 24px);
}

/* Navigation arrows */
.es-sponsors__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--ensemble-card-bg, #ffffff);
    border: 1px solid var(--ensemble-card-border, #e8e8e8);
    border-radius: 50%;
    cursor: pointer;
    color: var(--ensemble-text, #1a1a1a);
    transition: all 0.2s ease;
    z-index: 10;
}

.es-sponsors__nav:hover {
    background: var(--ensemble-primary, #0066cc);
    border-color: var(--ensemble-primary, #0066cc);
    color: #ffffff;
}

.es-sponsors__nav--prev {
    left: 0;
}

.es-sponsors__nav--next {
    right: 0;
}

/* Hide arrows on mobile */
@media (max-width: 768px) {
    .es-sponsors__nav {
        display: none;
    }
    
    .es-sponsors__track {
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
    }
    
    .es-sponsors__slide {
        scroll-snap-align: center;
    }
}

/* ============================================
   GRID STYLE
   ============================================ */

.es-sponsors--grid .es-sponsors__grid {
    display: grid;
    grid-template-columns: repeat(var(--es-sponsor-columns, 4), 1fr);
    gap: var(--ensemble-grid-gap, 24px);
    align-items: center;
}

@media (max-width: 1024px) {
    .es-sponsors--grid .es-sponsors__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .es-sponsors--grid .es-sponsors__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ============================================
   BAR STYLE
   ============================================ */

.es-sponsors--bar .es-sponsors__bar {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: var(--ensemble-grid-gap, 24px);
    padding: 20px;
    background: var(--ensemble-card-bg, #ffffff);
    border: 1px solid var(--ensemble-card-border, #e8e8e8);
    border-radius: var(--ensemble-card-radius, 8px);
}

/* ============================================
   MARQUEE STYLE
   ============================================ */

.es-sponsors--marquee {
    overflow: hidden;
}

.es-sponsors__marquee {
    overflow: hidden;
    mask-image: linear-gradient(
        to right,
        transparent,
        black 10%,
        black 90%,
        transparent
    );
    -webkit-mask-image: linear-gradient(
        to right,
        transparent,
        black 10%,
        black 90%,
        transparent
    );
}

.es-sponsors__marquee-track {
    display: flex;
    width: fit-content;
    animation: es-sponsors-marquee 30s linear infinite;
}

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

.es-sponsors--marquee .es-sponsors__item {
    flex: 0 0 auto;
    padding: 0 calc(var(--ensemble-grid-gap, 24px) * 1.5);
}

@keyframes es-sponsors-marquee {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* ============================================
   FOOTER WRAPPER
   ============================================ */

.es-sponsors-footer-wrapper {
    background: var(--ensemble-card-bg, #f9f9f9);
    border-top: 1px solid var(--ensemble-card-border, #e8e8e8);
    padding: 30px 0;
}

.es-sponsors-footer-wrapper .es-sponsors {
    max-width: var(--ensemble-container-width, 1200px);
    margin: 0 auto;
    padding: 0 20px;
}

.es-sponsors-footer-wrapper .es-sponsors__title {
    font-size: var(--ensemble-small-size, 14px);
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--ensemble-text-secondary, #666666);
    margin-bottom: 16px;
}

/* ============================================
   SINGLE SPONSOR
   ============================================ */

.es-sponsor-single {
    display: inline-block;
}

/* ============================================
   DARK MODE SUPPORT
   ============================================ */

.es-mode-dark .es-sponsors__title {
    color: var(--ensemble-text, #f5f5f5);
}

.es-mode-dark .es-sponsor-name {
    color: var(--ensemble-text, #f5f5f5);
}

.es-mode-dark .es-sponsors--bar .es-sponsors__bar {
    background: var(--ensemble-card-bg, #1a1a1a);
    border-color: var(--ensemble-card-border, #333333);
}

.es-mode-dark .es-sponsors__nav {
    background: var(--ensemble-card-bg, #1a1a1a);
    border-color: var(--ensemble-card-border, #333333);
    color: var(--ensemble-text, #f5f5f5);
}

.es-mode-dark .es-sponsors-footer-wrapper {
    background: var(--ensemble-card-bg, #111111);
    border-color: var(--ensemble-card-border, #333333);
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */

@media (max-width: 768px) {
    .es-sponsors {
        margin: calc(var(--ensemble-section-spacing, 40px) * 0.6) 0;
    }
    
    .es-sponsors__title {
        font-size: calc(var(--ensemble-h3-size, 24px) * 0.85);
    }
    
    /* Use mobile height */
    .es-sponsor-logo {
        height: calc(var(--es-sponsor-height, 60px) * 0.7);
    }
}