/**
 * Preloader Styles
 * Primary: #19868b | Secondary: #e1273d
 */

/* Preloader Container */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: linear-gradient(135deg, #0d1117 0%, #161b22 50%, #0d1117 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999999999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.loaded {
    opacity: 0;
    visibility: hidden;
}

/* Preloader Inner Container */
.preloader-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

/* Logo */
.preloader-logo {
    margin-bottom: 40px;
    animation: logoFloat 2s ease-in-out infinite;
    position: relative;
}

.preloader-logo img {
    width: 180px;
    height: auto;
    filter: drop-shadow(0 10px 30px rgba(25, 134, 139, 0.4));
}

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

/* Spinner Container */
.preloader-spinner {
    position: relative;
    width: 80px;
    height: 80px;
    margin-bottom: 30px;
}

/* Spinner Rings */
.spinner-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 3px solid transparent;
    transform: translate(-50%, -50%);
}

.spinner-ring:nth-child(1) {
    border-top-color: #19868b;
    animation: spinRing 1.2s linear infinite;
}

.spinner-ring:nth-child(2) {
    width: 70%;
    height: 70%;
    border-right-color: #e1273d;
    animation: spinRing 1.5s linear infinite reverse;
}

.spinner-ring:nth-child(3) {
    width: 40%;
    height: 40%;
    border-bottom-color: #19868b;
    animation: spinRing 1s linear infinite;
}

@keyframes spinRing {
    0% {
        transform: translate(-50%, -50%) rotate(0deg);
    }
    100% {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

/* Loading Text */
.preloader-text {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 3px;
    text-transform: uppercase;
    position: relative;
    overflow: hidden;
}

.preloader-text::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, #19868b, #e1273d, #19868b);
    background-size: 200% 100%;
    animation: shimmer 1.5s linear infinite;
}

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

/* Pulse Effect on Logo */
.preloader-logo::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 180px;
    height: 180px;
    background: radial-gradient(circle, rgba(25, 134, 139, 0.2) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.5;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 0.8;
    }
}

/* Responsive */
@media (max-width: 576px) {
    .preloader-logo img {
        width: 120px;
    }
    
    .preloader-spinner {
        width: 60px;
        height: 60px;
    }
    
    .preloader-text {
        font-size: 12px;
        letter-spacing: 2px;
    }
}