.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, #101010 18%, #6c757d 87%);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 1;
    visibility: visible;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.preloader-content {
    text-align: center;
    color: white;
    max-width: 300px;
}

.preloader-logo img {
    max-width: 150px;
    height: auto;
    filter: brightness(0) invert(1);
    animation: logoFadeIn 0.8s ease-out;
}

.spinner-container {
    margin: 2rem 0;
}

.spinner-atlantic {
    display: inline-block;
    position: relative;
    width: 60px;
    height: 60px;
}

.spinner-ring {
    box-sizing: border-box;
    display: block;
    position: absolute;
    width: 50px;
    height: 50px;
    margin: 5px;
    border: 3px solid transparent;
    border-top-color: #fff;
    border-radius: 50%;
    animation: spinnerRotate 1.2s cubic-bezier(0.4, 0.0, 0.2, 1) infinite;
}

.spinner-ring:nth-child(2) {
    animation-delay: -0.4s;
}

.spinner-ring:nth-child(3) {
    animation-delay: -0.8s;
}

.preloader-text {
    margin: 1.5rem 0 1rem;
    font-size: 1rem;
    font-weight: 500;
    opacity: 0.9;
}

.progress-bar {
    width: 250px;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    margin: 0 auto;
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #fff, #fd7e14);
    border-radius: 4px;
    width: 0%;
    transition: width 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
}

.loading-stage {
    font-size: 0.85rem;
    opacity: 0.7;
    margin-top: 1rem;
    min-height: 20px;
}

@keyframes spinnerRotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes logoFadeIn {
    0% { opacity: 0; transform: translateY(-20px); }
    100% { opacity: 1; transform: translateY(0); }
}

@keyframes pulseText {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; }
}

/* Responsive */
@media (max-width: 768px) {
    .preloader-content {
        max-width: 250px;
        padding: 0 1rem;
    }
    
    .preloader-logo img {
        max-width: 120px;
    }
    
    .progress-bar {
        width: 200px;
    }
}