/* ================================================
   SECTION QUELQUES K' - LOGOS RÉFÉRENCES
   ================================================ */

.quelques-k-references {
    padding: 80px 0;
    background: var(--night-blue);
    position: relative;
}

/* Titre "Quelques K'" */
.quelques-k-title {
    font-family: var(--font-display);
    font-size: clamp(24px, 4vw, 42px);
    font-weight: 900;
    text-transform: uppercase;
    color: #F9F9FF;
    text-align: center;
    margin-bottom: 50px;
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

/* Logo K inline avec halo */
.quelques-k-logo-inline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.k-logo-inline {
    width: clamp(22px, 3.5vw, 40px);
    height: auto;
    filter: brightness(0) invert(1)
        drop-shadow(0 0 15px rgba(255, 255, 255, 0.5))
        drop-shadow(0 0 30px rgba(255, 255, 255, 0.3));
    transition: all 0.4s ease;
}

.k-logo-inline:hover {
    filter: brightness(0) invert(1)
        drop-shadow(0 0 20px rgba(255, 255, 255, 0.7))
        drop-shadow(0 0 40px rgba(255, 255, 255, 0.5));
    transform: scale(1.05);
}

/* Grille des logos références */
.references-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
    align-items: center;
}

/* Item de référence */
.reference-item {
    background: #FFFFFF;
    border: 1px solid rgba(249, 249, 255, 0.1);
    border-radius: 12px;
    padding: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 140px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.reference-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(167, 226, 255, 0.05) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.reference-item:hover {
    background: #FFFFFF;
    border-color: rgba(167, 226, 255, 0.3);
    transform: translateY(-5px);
    box-shadow: 
        0 10px 30px rgba(0, 0, 0, 0.2),
        0 0 40px rgba(167, 226, 255, 0.15);
}

.reference-item:hover::before {
    opacity: 1;
}

/* Logo référence - Taille uniforme */
.reference-logo {
    max-width: 100%;
    height: auto;
    max-height: 70px;
    object-fit: contain;
    filter: none;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

/* Logo Néo Business - légèrement plus grand */
.reference-logo[alt="Néo Business"] {
    max-height: 75px;
    transform: scale(1.05);
}

/* Logo 183 Maison Routin - couleurs originales */
.reference-logo[alt="183 Maison Routin"] {
    filter: none;
    mix-blend-mode: normal;
}

/* Logo GL Events - couleurs originales */
.reference-logo[alt="GL Events"] {
    filter: none;
    mix-blend-mode: normal;
}

/* Logo Hectar - fond noir pour préserver le texte blanc */
.reference-logo[alt="Hectar"] {
    background: #000000;
    padding: 10px;
    filter: none;
    mix-blend-mode: normal;
}

/* Logo Cryptors - couleurs originales */
.reference-logo[alt="Cryptors in the City"] {
    filter: none;
    mix-blend-mode: normal;
}

/* Logo Antigone - couleurs originales */
.reference-logo[alt="Antigone"] {
    filter: none;
    mix-blend-mode: normal;
}

/* Logo GL Paris - couleurs originales */
.reference-logo[alt="GL Paris"] {
    filter: none;
    mix-blend-mode: normal;
}

.reference-item:hover .reference-logo {
    transform: scale(1.05);
}

.reference-item:hover .reference-logo[alt="Néo Business"] {
    transform: scale(1.1);
}

.reference-item:hover .reference-logo[alt="183 Maison Routin"] {
    transform: scale(1.05);
}

.reference-item:hover .reference-logo[alt="GL Events"] {
    transform: scale(1.05);
}

.reference-item:hover .reference-logo[alt="Hectar"] {
    transform: scale(1.05);
}

.reference-item:hover .reference-logo[alt="Cryptors in the City"] {
    transform: scale(1.05);
}

.reference-item:hover .reference-logo[alt="Antigone"] {
    transform: scale(1.05);
}

.reference-item:hover .reference-logo[alt="GL Paris"] {
    transform: scale(1.05);
}

/* ================================================
   RESPONSIVE - TABLETTE
   ================================================ */

@media (max-width: 1024px) {
    .references-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 35px;
    }
    
    .quelques-k-references {
        padding: 70px 0;
    }
}

@media (max-width: 900px) {
    .references-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .quelques-k-title {
        font-size: clamp(22px, 5vw, 38px);
        margin-bottom: 40px;
    }
    
    .reference-item {
        padding: 25px;
        min-height: 120px;
    }
}

/* ================================================
   RESPONSIVE - MOBILE
   ================================================ */

@media (max-width: 768px) {
    .quelques-k-references {
        padding: 60px 0;
    }
    
    .quelques-k-title {
        font-size: clamp(20px, 6vw, 32px);
        margin-bottom: 35px;
        flex-direction: row;
        flex-wrap: wrap;
    }
    
    .k-logo-inline {
        width: clamp(18px, 4.5vw, 30px);
    }
    
    .references-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .reference-item {
        padding: 20px;
        min-height: 100px;
    }
    
    .reference-logo {
        max-height: 55px;
    }
}

@media (max-width: 480px) {
    .quelques-k-references {
        padding: 50px 0;
    }
    
    .quelques-k-title {
        font-size: clamp(18px, 7vw, 28px);
        margin-bottom: 30px;
        gap: 8px;
    }
    
    .k-logo-inline {
        width: clamp(16px, 5vw, 26px);
    }
    
    .references-grid {
        grid-template-columns: 1fr;
        gap: 15px;
        max-width: 320px;
        margin: 0 auto;
    }
    
    .reference-item {
        padding: 25px 20px;
        min-height: 90px;
    }
    
    .reference-logo {
        max-height: 50px;
    }
}

/* ================================================
   LOGO TEXTE PLACEHOLDERS
   ================================================ */

.reference-logo-text {
    font-family: var(--font-display);
    font-size: clamp(14px, 2.2vw, 20px);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(249, 249, 255, 0.6);
    text-align: center;
    padding: 0;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
    line-height: 1.3;
}

.reference-item:hover .reference-logo-text {
    color: rgba(249, 249, 255, 0.95);
    transform: scale(1.05);
    text-shadow: 
        0 0 20px rgba(167, 226, 255, 0.4),
        0 0 30px rgba(255, 112, 174, 0.2);
}

@media (max-width: 768px) {
    .reference-logo-text {
        font-size: clamp(12px, 3vw, 18px);
    }
}

@media (max-width: 480px) {
    .reference-logo-text {
        font-size: clamp(13px, 3.5vw, 20px);
        letter-spacing: 0.06em;
    }
}

/* ================================================
   OPTIMISATIONS TACTILES
   ================================================ */

@media (hover: none) and (pointer: coarse) {
    .reference-item:hover {
        transform: none;
    }
    
    .reference-item:active {
        transform: scale(0.98);
        background: rgba(249, 249, 255, 0.08);
    }
}