/* ===========================================
   LEXCOM GLOBAL - PARTENERI STYLES
   CSS modern pentru secțiunile de parteneri
   ========================================== */

/* Variabile CSS pentru consistență */
:root {
    --partner-primary: #2563eb;
    --partner-secondary: #f8fafc;
    --partner-shadow: rgba(0, 0, 0, 0.1);
    --partner-hover-shadow: rgba(37, 99, 235, 0.2);
    --partner-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --partner-ai-gradient: linear-gradient(135deg, #ff6b6b 0%, #4ecdc4 100%);
    --partner-hw-gradient: linear-gradient(135deg, #74b9ff 0%, #0984e3 100%);
}

/* Secțiunea principală parteneri */
.partners {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    position: relative;
    overflow: hidden;
}

.partners::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23e2e8f0' fill-opacity='0.3'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
    pointer-events: none;
}

.partners .container {
    position: relative;
    z-index: 1;
}

.partners .section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    background: var(--partner-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.partners-content {
    margin-top: 60px;
}

.partners-section {
    margin-bottom: 80px;
    position: relative;
}

.partners-section:last-child {
    margin-bottom: 0;
}

.partners-section h3 {
    font-size: 1.8rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 1rem;
    color: #1e293b;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.partners-section h3 i {
    font-size: 1.5rem;
    background: var(--partner-ai-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.partners-section:last-child h3 i {
    background: var(--partner-hw-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.partners-description {
    text-align: center;
    font-size: 1.1rem;
    color: #64748b;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Carousel Container */
.partners-carousel {
    overflow: hidden;
    position: relative;
    margin: 40px 0;
    padding: 20px 0;
    /* Îmbunătățiri pentru performanță */
    will-change: transform;
    contain: layout style paint;
    /* Variabile CSS pentru calcule precise */
    --card-width: 280px;
    --card-gap: 30px;
    --cards-per-set: 8;
    --total-cards: 16; /* 8 originale + 8 duplicate */
}

.partners-track {
    display: flex;
    animation: scroll-left 25s linear infinite;
    gap: 30px;
    /* Track-ul conține exact 16 elemente (8 + 8 duplicate) */
    width: fit-content;
    /* Optimizări pentru animație smooth */
    will-change: transform;
    backface-visibility: hidden;
    transform: translateZ(0); /* Forțează hardware acceleration */
}

/* Animație în sens invers pentru carousel-ul de hardware */
.partners-carousel[data-reverse="true"] .partners-track {
    animation: scroll-right 30s linear infinite;
}

/* Calcul exact pentru loop seamless */
.partners-track[data-duplicated="true"] {
    /* Animația mută exact lungimea unui set (8 elemente) */
    animation-duration: 24s;
}

.partners-carousel[data-reverse="true"] .partners-track[data-duplicated="true"] {
    animation-duration: 28s;
}

/* ===========================================
   ANIMAȚII OPTIMIZATE PENTRU LOOP PERFECT
   
   SOLUȚIA PENTRU RESTART CAROUSEL:
   - Track-ul conține 16 elemente: 8 originale + 8 duplicate identice
   - Animația mută track-ul exact 50% din lungimea totală
   - La 50%, poziția arată identic cu 0% (setul duplicat)
   - Loop-ul este perfect și seamless
   - Responsive pe toate device-urile
   ========================================== */

@keyframes scroll-left {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%); /* Exact jumătate din track */
    }
}

@keyframes scroll-right {
    0% {
        transform: translateX(-50%); /* Start de la jumătate */
    }
    100% {
        transform: translateX(0);
    }
}

/* Partner Cards */
.partner-card {
    min-width: 280px;
    height: 160px;
    background: white;
    border-radius: 16px;
    padding: 25px;
    box-shadow: 0 4px 6px var(--partner-shadow);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    border: 1px solid rgba(226, 232, 240, 0.5);
}

.partner-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
    transition: left 0.6s;
}

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

.partner-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px var(--partner-hover-shadow);
    border-color: var(--partner-primary);
}

/* Partner Logo */
.partner-logo {
    width: 60px;
    height: 60px;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: #f8fafc;
    transition: all 0.3s ease;
    overflow: hidden;
}

.partner-card:hover .partner-logo {
    background: var(--partner-secondary);
    transform: scale(1.1);
}

.partner-logo img {
    width: 45px;
    height: 45px;
    object-fit: contain;
    transition: all 0.3s ease;
}

.partner-logo svg {
    width: 45px;
    height: 45px;
    transition: all 0.3s ease;
}

/* Logo-uri custom pentru parteneri specifici */
.partner-logo.anthropic {
    background: linear-gradient(135deg, #CC785C, #D4926F);
}

.partner-logo.deepseek {
    background: linear-gradient(135deg, #1a1a2e, #16213e);
}

.deepseek-logo {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, #4facfe, #00f2fe);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: white;
    font-size: 16px;
}

/* Partner Info */
.partner-info h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1e293b;
    margin: 0 0 5px 0;
    transition: all 0.3s ease;
}

.partner-card:hover .partner-info h4 {
    color: var(--partner-primary);
}

.partner-info p {
    font-size: 0.9rem;
    color: #64748b;
    margin: 0;
    transition: all 0.3s ease;
}

.partner-card:hover .partner-info p {
    color: #475569;
}

/* Pause on Hover */
.partners-carousel:hover .partners-track {
    animation-play-state: paused;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .partner-card {
        min-width: 260px;
        height: 150px;
        padding: 20px;
    }
    
    .partners-track {
        gap: 25px;
    }
}

@media (max-width: 768px) {
    .partners {
        padding: 60px 0;
    }
    
    .partners .section-header h2 {
        font-size: 2rem;
    }
    
    .partners-section h3 {
        font-size: 1.5rem;
        flex-direction: column;
        gap: 10px;
    }
    
    .partners-description {
        font-size: 1rem;
        margin-bottom: 30px;
    }
    
    .partner-card {
        min-width: 240px;
        height: 140px;
        padding: 18px;
    }
    
    .partner-logo {
        width: 50px;
        height: 50px;
        margin-bottom: 12px;
    }
    
    .partner-logo img,
    .partner-logo svg {
        width: 35px;
        height: 35px;
    }
    
    .deepseek-logo {
        width: 35px;
        height: 35px;
        font-size: 14px;
    }
    
    .partner-info h4 {
        font-size: 1rem;
    }
    
    .partner-info p {
        font-size: 0.85rem;
    }
    
    .partners-track {
        gap: 20px;
    }
    
    .partners-section {
        margin-bottom: 60px;
    }
}

@media (max-width: 480px) {
    .partners {
        padding: 40px 0;
    }
    
    .partners .section-header h2 {
        font-size: 1.8rem;
    }
    
    .partners-section h3 {
        font-size: 1.3rem;
    }
    
    .partner-card {
        min-width: 220px;
        height: 130px;
        padding: 15px;
    }
    
    .partner-logo {
        width: 45px;
        height: 45px;
        margin-bottom: 10px;
    }
    
    .partner-logo img,
    .partner-logo svg {
        width: 32px;
        height: 32px;
    }
    
    .deepseek-logo {
        width: 32px;
        height: 32px;
        font-size: 12px;
    }
    
    .partner-info h4 {
        font-size: 0.95rem;
    }
    
    .partner-info p {
        font-size: 0.8rem;
    }
}

/* Accessibility și performanță */
@media (prefers-reduced-motion: reduce) {
    .partners-track {
        animation: none;
    }
    
    .partner-card {
        transition: none;
    }
    
    .partner-card:hover {
        transform: none;
    }
}

/* Print styles */
@media print {
    .partners {
        background: white;
        padding: 40px 0;
    }
    
    .partners::before {
        display: none;
    }
    
    .partners-carousel {
        overflow: visible;
    }
    
    .partners-track {
        animation: none;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .partner-card {
        break-inside: avoid;
        margin-bottom: 20px;
    }
}

/* Focus states pentru accessibility */
.partner-card:focus-visible {
    outline: 2px solid var(--partner-primary);
    outline-offset: 2px;
}

/* Smooth scroll pentru navigație */
html {
    scroll-behavior: smooth;
}

/* Loading animation pentru logo-uri */
.partner-logo img {
    opacity: 0;
    animation: fadeInLogo 0.6s ease forwards;
}

@keyframes fadeInLogo {
    to {
        opacity: 1;
    }
}

/* Stagger animation pentru cards */
.partner-card:nth-child(1) { animation-delay: 0.1s; }
.partner-card:nth-child(2) { animation-delay: 0.2s; }
.partner-card:nth-child(3) { animation-delay: 0.3s; }
.partner-card:nth-child(4) { animation-delay: 0.4s; }
.partner-card:nth-child(5) { animation-delay: 0.5s; }
.partner-card:nth-child(6) { animation-delay: 0.6s; }
.partner-card:nth-child(7) { animation-delay: 0.7s; }
.partner-card:nth-child(8) { animation-delay: 0.8s; }