:root {
    --ref-primary: #000000;
    --ref-secondary: #ffffff;
    --ref-gray-light: #f8f9fa;
    --ref-gray-medium: #e9ecef;
    --ref-gray-dark: #495057;
    --ref-text-primary: #212529;
    --ref-text-secondary: #6c757d;
    --ref-glass-bg: rgba(255, 255, 255, 0.98);
    --ref-glass-border: rgba(255, 255, 255, 0.25);
    --ref-shadow-light: rgba(0, 0, 0, 0.08);
    --ref-shadow-medium: rgba(0, 0, 0, 0.12);
    --ref-shadow-dark: rgba(0, 0, 0, 0.18);
    --ref-gradient-bg: linear-gradient(135deg, #ffffff 0%, #f8f9fa 25%, #ffffff 50%, #f1f3f4 75%, #ffffff 100%);
}


.references-sec {
    padding: 80px 0 120px;
    background: var(--ref-gradient-bg);
    position: relative;
    overflow: hidden;
    padding-top: 180px;
}

.references-sec::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 25% 25%, rgba(0, 0, 0, 0.015) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(0, 0, 0, 0.015) 0%, transparent 50%);
    pointer-events: none;
}

.references-sec .container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 30px;
    position: relative;
    z-index: 2;
}


.references-sec .section-header {
    text-align: center;
    margin-bottom: 80px;
    position: relative;
}

.references-sec .header-badge {
    display: inline-block;
    padding: 10px 28px;
    border: 1px solid var(--ref-primary);
    border-radius: 30px;
    margin-bottom: 30px;
    position: relative;
    background: var(--ref-glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px var(--ref-shadow-light);
}



.references-sec .badge-text {
    font-size: 13px;
    font-weight: 700;
    color: var(--ref-primary);
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.references-sec .section-title {
    font-size: 48px;
    font-weight: 800;
    color: var(--ref-primary);
    margin-bottom: 24px;
    line-height: 1.2;
    letter-spacing: -1px;
}

.references-sec .title-highlight {
    position: relative;
    display: inline-block;
}

.references-sec .title-highlight::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--text-dark);
    transform: scaleX(0);
    transform-origin: left;
    animation: underlineGrow 1.8s ease-out forwards;
    animation-delay: 0.5s;
}

@keyframes underlineGrow {
    to { transform: scaleX(1); }
}

.references-sec .section-subtitle {
    font-size: 18px;
    color: var(--ref-text-secondary);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
    font-weight: 400;
}


.references-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 100px;
    padding: 60px 0;
    background: var(--ref-glass-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid var(--ref-glass-border);
    border-radius: 24px;
    box-shadow: 0 20px 40px var(--ref-shadow-light);
    position: relative;
    overflow: hidden;
}

.references-stats::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--ref-primary), transparent);
}

.references-stats .stat-item {
    text-align: center;
    position: relative;
    padding: 0 20px;
}

.references-stats .stat-item::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 60px;
    background: var(--ref-gray-medium);
}

.references-stats .stat-item:last-child::after {
    display: none;
}

.references-stats .stat-icon {
    width: 60px;
    height: 60px;
    background: rgba(0, 0, 0, 0.05);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: all 0.3s ease;
}

.references-stats .stat-item:hover .stat-icon {
    background: var(--ref-primary);
    transform: scale(1.1);
}

.references-stats .stat-icon i {
    font-size: 24px;
    color: var(--ref-primary);
    transition: color 0.3s ease;
}

.references-stats .stat-item:hover .stat-icon i {
    color: var(--ref-secondary);
}

.references-stats .stat-number {
    display: block;
    font-size: 36px;
    font-weight: 900;
    color: var(--ref-primary);
    margin-bottom: 8px;
    line-height: 1;
    letter-spacing: -1px;
}

.references-stats .stat-label {
    font-size: 14px;
    color: var(--ref-text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}


.references-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 30px;
    margin-bottom: 100px;
}

.reference-item {
    background: var(--ref-glass-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid var(--ref-glass-border);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: 0 15px 35px var(--ref-shadow-light);
    cursor: pointer;
}

.reference-item:hover {
    transform: translateY(-12px);
    box-shadow: 0 30px 60px var(--ref-shadow-medium);
    border-color: var(--ref-primary);
}

.reference-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg, 
        rgba(0, 0, 0, 0.02) 0%, 
        transparent 50%, 
        rgba(0, 0, 0, 0.02) 100%
    );
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.reference-logo {
    width: 100%;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    position: relative;
}

.reference-logo img {
    max-width: 140px;
    max-height: 80px;
    width: auto;
    height: auto;
    object-fit: contain;
    /* filter: grayscale(1) brightness(0.3); */
    transition: all 0.4s ease;
}

.reference-item:hover .reference-logo img {
    filter: grayscale(0) brightness(1);
    transform: scale(1.05);
}

.reference-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(
        180deg, 
        transparent 0%, 
        rgba(0, 0, 0, 0.8) 100%
    );
    padding: 25px;
    transform: translateY(100%);
    transition: transform 0.4s ease;
}

.reference-item:hover .reference-overlay {
    transform: translateY(0);
}

.overlay-content h4 {
    color: var(--ref-secondary);
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 8px 0;
    transform: translateY(20px);
    transition: transform 0.4s ease 0.1s;
}

.overlay-content p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 12px;
    margin: 0;
    font-weight: 500;
    transform: translateY(20px);
    transition: transform 0.4s ease 0.2s;
}

.reference-item:hover .overlay-content h4,
.reference-item:hover .overlay-content p {
    transform: translateY(0);
}


.references-cta {
    background: var(--ref-glass-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid var(--ref-glass-border);
    border-radius: 24px;
    padding: 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 25px 50px var(--ref-shadow-light);
}

.references-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--ref-primary), transparent);
}

.cta-content h3 {
    font-size: 32px;
    font-weight: 800;
    color: var(--ref-primary);
    margin-bottom: 16px;
    line-height: 1.2;
    letter-spacing: -1px;
}

.cta-content p {
    font-size: 18px;
    color: var(--ref-text-secondary);
    margin-bottom: 40px;
    line-height: 1.6;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 12px 22px;
    background: var(--ref-primary);
    color: var(--ref-secondary);
    text-decoration: none;
    border-radius: 20px;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.cta-button i {
    transition: transform 0.3s ease;
    font-size: 14px;
}

.cta-button:hover i {
    transform: translateX(4px);
}

.cta-decoration {
    position: absolute;
    top: 0;
    right: 0;
    width: 200px;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
}

.decoration-circle {
    position: absolute;
    top: -50px;
    right: -50px;
    width: 120px;
    height: 120px;
    border: 2px solid var(--ref-primary);
    border-radius: 50%;
    opacity: 0.1;
}

.decoration-dots {
    position: absolute;
    bottom: 20px;
    right: 20px;
    width: 80px;
    height: 80px;
    background-image: radial-gradient(circle, var(--ref-primary) 2px, transparent 2px);
    background-size: 15px 15px;
    opacity: 0.1;
}


@media (max-width: 1200px) {
    .page-title {
        font-size: 48px;
    }
    
    .references-sec .section-title {
        font-size: 42px;
    }
    
    .references-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .references-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 25px;
    }
}

@media (max-width: 992px) {
    .page-title {
        font-size: 42px;
    }
    
    .references-sec {
        padding: 60px 0 80px;
        padding-top: 120px;
    }
    
    .references-sec .container {
        padding: 0 20px;
    }
    
    .references-sec .section-header {
        margin-bottom: 50px;
    }
    
    .references-sec .section-title {
        font-size: 38px;
    }
    
    .references-sec .section-subtitle {
        font-size: 17px;
    }
    
    
    .references-stats {
        grid-template-columns: 1fr 1fr;
        gap: 20px;
        margin-bottom: 60px;
        padding: 30px 20px;
    }
    
    .references-stats .stat-item {
        padding: 16px 12px;
    }
    
    .references-stats .stat-item::after {
        display: none;
    }
    
    
    .references-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
        margin-bottom: 60px;
    }
    
    .reference-item {
        padding: 24px 16px;
    }
    
    .reference-logo {
        height: 70px;
    }
    
    .reference-logo img {
        max-width: 100px;
        max-height: 60px;
        filter: unset!important;
    }
    
    .references-cta {
        padding: 40px 24px;
    }
    
    .cta-content h3 {
        font-size: 28px;
    }
    
    .cta-content p {
        font-size: 17px;
    }
}


@media (max-width: 768px) {
    .references-sec {
        padding: 70px 0 50px;
        background: #fafafa;
        padding-top: 100px;
        margin-top: 5rem;
    }
    
    .references-sec .container {
        padding: 0 16px;
        max-width: 100%;
    }
    
    
    .references-sec .section-header {
        margin-bottom: 32px;
        text-align: center;
    }
    
    .references-sec .header-badge {
        padding: 6px 20px;
        background: #1a1a1a;
        border: none;
        border-radius: 16px;
        margin-bottom: 16px;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        backdrop-filter: none;
    }
    
    .references-sec .badge-text {
        color: #ffffff;
        font-size: 11px;
        font-weight: 600;
    }
    
    .references-sec .section-title {
        font-size: 24px;
        font-weight: 700;
        line-height: 1.4;
        margin-bottom: 12px;
        color: #1a1a1a;
        letter-spacing: -0.5px;
    }
    
    .references-sec .section-subtitle {
        font-size: 14px;
        line-height: 1.5;
        color: #666;
        max-width: 90%;
        margin: 0 auto;
    }
    
    
    .references-stats {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 12px;
        margin-bottom: 32px;
        padding: 16px;
        background: #ffffff;
        border: 1px solid #f0f0f0;
        border-radius: 12px;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        backdrop-filter: none;
    }
    
    .references-stats::before {
        height: 2px;
        border-radius: 12px 12px 0 0;
    }
    
    .references-stats .stat-item {
        text-align: center;
        padding: 12px 8px;
        background: #f8f9fa;
        border-radius: 8px;
        border: 1px solid #f0f0f0;
        transition: all 0.3s ease;
        position: relative;
    }
    
    .references-stats .stat-item::after {
        display: none;
    }
    
    .references-stats .stat-item:hover {
        background: #f0f0f0;
        transform: scale(1.02);
    }
    
    .references-stats .stat-icon {
        width: 40px;
        height: 40px;
        margin: 0 auto 8px;
        background: #ffffff;
        border: 1px solid #e0e0e0;
    }
    
    .references-stats .stat-icon i {
        font-size: 16px;
    }
    
    .references-stats .stat-number {
        font-size: 20px;
        font-weight: 700;
        margin-bottom: 4px;
        color: #1a1a1a;
    }
    
    .references-stats .stat-label {
        font-size: 10px;
        color: #666;
        font-weight: 500;
    }
    
    
    .references-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 12px;
        margin-bottom: 32px;
    }
    
    .reference-item {
        background: #ffffff;
        border: 1px solid #f0f0f0;
        border-radius: 12px;
        padding: 16px 12px;
        text-align: center;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        backdrop-filter: none;
        transition: all 0.3s ease;
    }
    
    .reference-item::before {
        display: none;
    }
    
    .reference-item:hover {
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
        border-color: #1a1a1a;
    }
    
    .reference-logo {
        height: 60px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 8px;
    }
    
    .reference-logo img {
        max-width: 80px;
        max-height: 50px;
        filter: grayscale(1) brightness(0.4);
        transition: all 0.3s ease;
    }
    
    .reference-item:hover .reference-logo img {
        filter: grayscale(0) brightness(1);
        transform: scale(1.05);
    }
    
    
    .reference-overlay {
        position: static;
        background: none;
        padding: 0;
        transform: none;
        margin-top: 8px;
    }
    
    .overlay-content h4 {
        color: #1a1a1a;
        font-size: 12px;
        font-weight: 600;
        margin: 0 0 4px 0;
        transform: none;
    }
    
    .overlay-content p {
        color: #666;
        font-size: 10px;
        margin: 0;
        font-weight: 400;
        transform: none;
    }
    
    
    .references-cta {
        background: #1a1a1a;
        border: none;
        border-radius: 16px;
        padding: 24px 20px;
        text-align: center;
        backdrop-filter: none;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    }
    
    .references-cta::before {
        display: none;
    }
    
    .cta-content h3 {
        font-size: 18px;
        font-weight: 700;
        color: #ffffff;
        margin-bottom: 12px;
        line-height: 1.3;
    }
    
    .cta-content p {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.8);
        margin-bottom: 20px;
        line-height: 1.4;
    }
    
    .cta-button {
        background: #ffffff;
        color: #1a1a1a;
        padding: 12px 24px;
        border-radius: 10px;
        font-size: 14px;
        font-weight: 600;
    }
    
    .cta-button:hover {
        background: #f0f0f0;
        transform: translateY(-2px);
    }
    
    .cta-decoration {
        display: none;
    }
}


@media (max-width: 576px) {
    .references-sec {
        padding: 60px 0 40px;
        padding-top: 80px;
    }
    
    .references-sec .container {
        padding: 0 12px;
    }
    
    .references-sec .section-header {
        margin-bottom: 24px;
    }
    
    .references-sec .section-title {
        font-size: 20px;
        line-height: 1.3;
        margin-bottom: 10px;
    }
    
    .references-sec .section-subtitle {
        font-size: 13px;
    }
    
    .references-sec .header-badge {
        padding: 5px 16px;
        margin-bottom: 12px;
    }
    
    .references-sec .badge-text {
        font-size: 10px;
    }
    
    
    .references-stats {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
        margin-bottom: 24px;
        padding: 12px;
    }
    
    .references-stats .stat-item {
        padding: 10px 6px;
    }
    
    .references-stats .stat-icon {
        width: 32px;
        height: 32px;
        margin-bottom: 6px;
    }
    
    .references-stats .stat-icon i {
        font-size: 14px;
    }
    
    .references-stats .stat-number {
        font-size: 16px;
        margin-bottom: 2px;
    }
    
    .references-stats .stat-label {
        font-size: 9px;
    }
    
    
    .references-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
        margin-bottom: 24px;
    }
    
    .reference-item {
        padding: 12px 8px;
        border-radius: 10px;
    }
    
    .reference-logo {
        height: 50px;
        margin-bottom: 6px;
    }
    
    .reference-logo img {
        max-width: 70px;
        max-height: 40px;
    }
    
    .overlay-content h4 {
        font-size: 11px;
        margin-bottom: 2px;
    }
    
    .overlay-content p {
        font-size: 9px;
    }
    
    
    .references-cta {
        padding: 20px 16px;
        border-radius: 12px;
    }
    
    .cta-content h3 {
        font-size: 16px;
        margin-bottom: 10px;
    }
    
    .cta-content p {
        font-size: 13px;
        margin-bottom: 16px;
    }
    
    .cta-button {
        padding: 10px 20px;
        font-size: 13px;
        border-radius: 8px;
    }
}


@media (max-width: 480px) {
    .references-sec .container {
        padding: 0 8px;
    }
    
    .references-sec .section-title {
        font-size: 18px;
    }
    
    .references-sec .section-subtitle {
        font-size: 12px;
    }
    
    .references-stats {
        padding: 10px;
        gap: 8px;
    }
    
    .references-stats .stat-item {
        padding: 8px 4px;
    }
    
    .references-stats .stat-number {
        font-size: 14px;
    }
    
    .references-stats .stat-label {
        font-size: 8px;
    }
    
    .references-grid {
        gap: 8px;
    }
    
    .reference-item {
        padding: 10px 6px;
    }
    
    .reference-logo {
        height: 45px;
    }
    
    .reference-logo img {
        max-width: 60px;
        max-height: 35px;
    }
    
    .overlay-content h4 {
        font-size: 10px;
    }
    
    .overlay-content p {
        font-size: 8px;
    }
    
    .references-cta {
        padding: 16px 12px;
    }
    
    .cta-content h3 {
        font-size: 15px;
    }
    
    .cta-content p {
        font-size: 12px;
    }
}


@media (prefers-reduced-motion: no-preference) {
    .references-stats .stat-item,
    .reference-item,
    .references-cta {
        opacity: 0;
        transform: translateY(30px);
        animation: fadeInUp 0.8s ease forwards;
    }
    
    .references-stats .stat-item:nth-child(1) { animation-delay: 0.1s; }
    .references-stats .stat-item:nth-child(2) { animation-delay: 0.2s; }
    .references-stats .stat-item:nth-child(3) { animation-delay: 0.3s; }
    .references-stats .stat-item:nth-child(4) { animation-delay: 0.4s; }
    
    .reference-item:nth-child(1) { animation-delay: 0.1s; }
    .reference-item:nth-child(2) { animation-delay: 0.2s; }
    .reference-item:nth-child(3) { animation-delay: 0.3s; }
    .reference-item:nth-child(4) { animation-delay: 0.4s; }
    .reference-item:nth-child(5) { animation-delay: 0.5s; }
    .reference-item:nth-child(6) { animation-delay: 0.6s; }
    .reference-item:nth-child(7) { animation-delay: 0.1s; }
    .reference-item:nth-child(8) { animation-delay: 0.2s; }
    .reference-item:nth-child(9) { animation-delay: 0.3s; }
    .reference-item:nth-child(10) { animation-delay: 0.4s; }
    .reference-item:nth-child(11) { animation-delay: 0.5s; }
    .reference-item:nth-child(12) { animation-delay: 0.6s; }
    
    .references-cta { animation-delay: 0.8s; }
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}


.reference-logo img[src*="microsoft"] { filter: grayscale(1) brightness(0.2); }
.reference-logo img[src*="apple"] { filter: grayscale(1) brightness(0.2); }
.reference-logo img[src*="google"] { filter: grayscale(1) brightness(0.2); }
.reference-logo img[src*="amazon"] { filter: grayscale(1) brightness(0.2); }
.reference-logo img[src*="netflix"] { filter: grayscale(1) brightness(0.2); }
.reference-logo img[src*="spotify"] { filter: grayscale(1) brightness(0.2); }
.reference-logo img[src*="uber"] { filter: grayscale(1) brightness(0.2); }
.reference-logo img[src*="airbnb"] { filter: grayscale(1) brightness(0.2); }
.reference-logo img[src*="tesla"] { filter: grayscale(1) brightness(0.2); }
.reference-logo img[src*="paypal"] { filter: grayscale(1) brightness(0.2); }
.reference-logo img[src*="slack"] { filter: grayscale(1) brightness(0.2); }
.reference-logo img[src*="dropbox"] { filter: grayscale(1) brightness(0.2); }

.reference-item:hover .reference-logo img[src*="microsoft"],
.reference-item:hover .reference-logo img[src*="apple"],
.reference-item:hover .reference-logo img[src*="google"],
.reference-item:hover .reference-logo img[src*="amazon"],
.reference-item:hover .reference-logo img[src*="netflix"],
.reference-item:hover .reference-logo img[src*="spotify"],
.reference-item:hover .reference-logo img[src*="uber"],
.reference-item:hover .reference-logo img[src*="airbnb"],
.reference-item:hover .reference-logo img[src*="tesla"],
.reference-item:hover .reference-logo img[src*="paypal"],
.reference-item:hover .reference-logo img[src*="slack"],
.reference-item:hover .reference-logo img[src*="dropbox"] {
    filter: grayscale(0) brightness(1);
}