/**
 * Modern Partners Section CSS
 * Professional design with advanced animations and marquee effects
 */

:root {
    --partners-primary: #667eea;
    --partners-secondary: #764ba2;
    --partners-accent: #f093fb;
    --partners-gradient: linear-gradient(135deg, var(--partners-primary) 0%, var(--partners-secondary) 100%);
    --partners-gradient-hover: linear-gradient(135deg, var(--partners-secondary) 0%, var(--partners-accent) 100%);
    --partners-shadow: 0 10px 30px rgba(102, 126, 234, 0.15);
    --partners-shadow-hover: 0 20px 40px rgba(102, 126, 234, 0.25);
    --partners-transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --partners-border-radius: 16px;
    --partners-spacing: 2rem;
}


/* Wave Container for Partners Section */
.wave-container.wave-partners {
    width: 100%;
    height: 80px;
    line-height: 0;
    position: relative;
    z-index: 10;
}

/* Wave Divider */
.wave-container .wave-divider {
    width: 100%;
    height: 100%;
    transform: scaleY(-1);
    transform-origin: bottom center;
}


.wave-container.wave-partners-top {
    width: 100%;
    height: 80px;
    line-height: 0;
    position: relative;
    z-index: 10;
}

/* Wave Container for Partners Section - Bottom */
.wave-container.wave-partners {
    width: 100%;
    height: 80px;
    line-height: 0;
    position: relative;
    z-index: 10;
}

/* Wave Divider */
.wave-container .wave-divider {
    width: 100%;
    height: 100%;
    transform: scaleY(-1);
    transform-origin: bottom center;
}


/* Main Partners Section */
.partners-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    position: relative;
    overflow: hidden;
}

.partners-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(102, 126, 234, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(118, 75, 162, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(240, 147, 251, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.partners-section .container {
    position: relative;
    z-index: 2;
}

/* Section Header */
.partners-section .section-header {
    text-align: center;
    margin-bottom: 60px;
}

.partners-section .section-title {
    font-size: 3rem;
    font-weight: 700;
    background: var(--partners-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    position: relative;
}

.partners-section .section-divider {
    width: 80px;
    height: 4px;
    background: var(--partners-gradient);
    margin: 0 auto;
    border-radius: 2px;
    position: relative;
}

.partners-section .section-divider::after {
    content: '';
    position: absolute;
    top: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 12px;
    height: 8px;
    background: var(--partners-gradient);
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.5);
}

/* Auto-play Indicator */
.auto-play-indicator {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.9);
    padding: 8px 16px;
    border-radius: 25px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--partners-primary);
    margin: 20px auto 0;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(102, 126, 234, 0.2);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.1);
    position: relative;
    overflow: hidden;
}

.auto-play-indicator i {
    animation: pulse 2s infinite;
}

.partners-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 2px;
    background: var(--partners-gradient);
    border-radius: 1px;
    animation: progressBar 4s linear infinite;
}

/* Partners Marquee Container */
.partners-marquee-container {
    position: relative;
    overflow: hidden;
    margin: 40px 0;
    padding: 20px 0;
}

.partners-marquee-container::before,
.partners-marquee-container::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 100px;
    z-index: 3;
    pointer-events: none;
}

.partners-marquee-container::before {
    left: 0;
    background: linear-gradient(to right, rgba(245, 247, 250, 1), transparent);
}

.partners-marquee-container::after {
    right: 0;
    background: linear-gradient(to left, rgba(245, 247, 250, 1), transparent);
}

/* Partners Track */
.partners-track {
    display: flex;
    animation: marqueeScroll 30s linear infinite;
    gap: var(--partners-spacing);
    width: max-content;
}

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

/* Partner Card */
.partner-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--partners-border-radius);
    padding: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    transition: var(--partners-transition);
    min-height: 140px;
    min-width: 220px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    flex-shrink: 0;
}

.partner-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--partners-gradient);
    opacity: 0;
    transition: var(--partners-transition);
    z-index: 1;
}

.partner-card:hover::before {
    opacity: 0.05;
}

.partner-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--partners-shadow-hover);
    border-color: rgba(102, 126, 234, 0.3);
}

/* Partner Logo */
.partner-logo {
    max-width: 100%;
    max-height: 80px;
    width: auto;
    height: auto;
    filter: grayscale(100%) brightness(0.8);
    transition: var(--partners-transition);
    position: relative;
    z-index: 2;
}

.partner-card:hover .partner-logo {
    filter: grayscale(0%) brightness(1);
    transform: scale(1.05);
}

/* Hover Effects */
.partner-hover-effect {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg, 
        transparent, 
        rgba(102, 126, 234, 0.1), 
        transparent
    );
    transition: var(--partners-transition);
    z-index: 1;
}

.partner-card:hover .partner-hover-effect {
    left: 100%;
    transition-duration: 0.6s;
}

/* Floating Animation for Cards */
.partner-card:nth-child(odd) {
    animation: floatUp 6s ease-in-out infinite;
}

.partner-card:nth-child(even) {
    animation: floatDown 6s ease-in-out infinite;
}

/* Navigation Controls */
.partners-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-top: 40px;
}

.partners-control-btn {
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid rgba(102, 126, 234, 0.2);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--partners-transition);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.partners-control-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--partners-gradient);
    opacity: 0;
    transition: var(--partners-transition);
    z-index: 1;
}

.partners-control-btn:hover::before {
    opacity: 1;
}

.partners-control-btn i {
    color: var(--partners-primary);
    font-size: 1.2rem;
    position: relative;
    z-index: 2;
    transition: var(--partners-transition);
}

.partners-control-btn:hover i {
    color: white;
    transform: scale(1.1);
}

.partners-control-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--partners-shadow);
    border-color: transparent;
}

/* Speed Controls */
.speed-controls {
    display: flex;
    gap: 10px;
    align-items: center;
}

.speed-btn {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(102, 126, 234, 0.2);
    border-radius: 20px;
    padding: 6px 12px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--partners-transition);
    backdrop-filter: blur(5px);
}

.speed-btn.active,
.speed-btn:hover {
    background: var(--partners-gradient);
    color: white;
    border-color: transparent;
    transform: translateY(-1px);
}

/* Animations */
@keyframes marqueeScroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

@keyframes floatUp {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes floatDown {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(10px);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.7;
        transform: scale(1.1);
    }
}

@keyframes progressBar {
    0% {
        width: 0%;
    }
    100% {
        width: 100%;
    }
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

/* Loading State */
.partner-card.loading {
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0.9) 25%,
        rgba(255, 255, 255, 0.7) 50%,
        rgba(255, 255, 255, 0.9) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    .partners-section {
        background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    }
    
    .partner-card {
        background: rgba(255, 255, 255, 0.1);
        border-color: rgba(255, 255, 255, 0.1);
    }
    
    .auto-play-indicator {
        background: rgba(0, 0, 0, 0.7);
        color: white;
    }
    
    .partners-marquee-container::before {
        background: linear-gradient(to right, rgba(26, 26, 46, 1), transparent);
    }
    
    .partners-marquee-container::after {
        background: linear-gradient(to left, rgba(26, 26, 46, 1), transparent);
    }
}

/* Responsive Design */
@media (max-width: 1200px) {
    .partners-track {
        animation-duration: 25s;
    }
    
    .partner-card {
        min-width: 200px;
        padding: 25px;
    }
}

@media (max-width: 768px) {
    .partners-section {
        padding: 60px 0;
    }
    
    .partners-section .section-title {
        font-size: 2.2rem;
    }
    
    .partners-track {
        animation-duration: 20s;
        gap: 1rem;
    }
    
    .partner-card {
        min-width: 160px;
        min-height: 100px;
        padding: 20px;
    }
    
    .partner-logo {
        max-height: 60px;
    }
    
    .partners-controls {
        gap: 15px;
        margin-top: 30px;
    }
    
    .partners-control-btn {
        width: 40px;
        height: 40px;
    }
    
    .partners-control-btn i {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .partners-section .section-title {
        font-size: 1.8rem;
    }
    
    .partners-track {
        animation-duration: 15s;
    }
    
    .partner-card {
        min-width: 140px;
        min-height: 80px;
        padding: 15px;
    }
    
    .partner-logo {
        max-height: 50px;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .partner-card {
        border: 2px solid #000;
    }
    
    .partners-control-btn {
        border: 2px solid #000;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .partners-track {
        animation: none;
    }
    
    .partner-card:nth-child(odd),
    .partner-card:nth-child(even) {
        animation: none;
    }
    
    .auto-play-indicator i {
        animation: none;
    }
    
    .partners-progress {
        animation: none;
    }
}

/* Print Styles */
@media print {
    .partners-section {
        background: white !important;
        padding: 20px 0 !important;
    }
    
    .partners-track {
        animation: none !important;
        flex-wrap: wrap !important;
        justify-content: center !important;
    }
    
    .partner-card {
        break-inside: avoid;
        margin-bottom: 10px;
    }
    
    .partners-controls,
    .auto-play-indicator {
        display: none !important;
    }
}