/* ==========================================================================
   Preloader CSS - Sokrat Development
   Spectacular Loading Screen
   ========================================================================== */

.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-max);
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

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

.preloader-content {
    text-align: center;
}

.preloader-logo {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto var(--space-8);
}

.preloader-svg {
    width: 100%;
    height: 100%;
    animation: rotate 2s linear infinite;
}

.preloader-circle {
    fill: none;
    stroke: url(#preloader-gradient);
    stroke-width: 3;
    stroke-linecap: round;
    stroke-dasharray: 283;
    stroke-dashoffset: 75;
    transform-origin: center;
}

.preloader-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-heading);
    font-size: var(--fs-3xl);
    font-weight: var(--fw-bold);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: pulseScale 1.5s ease-in-out infinite;
}

.preloader-progress {
    width: 200px;
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin: 0 auto var(--space-4);
}

.preloader-progress-bar {
    height: 100%;
    width: 0%;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transition: width 0.3s ease;
}

.preloader-loading {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    letter-spacing: var(--ls-wider);
    text-transform: uppercase;
    animation: pulse 1.5s ease-in-out infinite;
}

/* Preloader Animation Variations */
@keyframes preloaderSpin {
    0% {
        stroke-dashoffset: 283;
        transform: rotate(0deg);
    }
    50% {
        stroke-dashoffset: 75;
    }
    100% {
        stroke-dashoffset: 283;
        transform: rotate(360deg);
    }
}

/* Alternative Preloader Styles */
.preloader-dots {
    display: flex;
    gap: var(--space-2);
    justify-content: center;
    margin-top: var(--space-6);
}

.preloader-dot {
    width: 10px;
    height: 10px;
    border-radius: var(--radius-full);
    background: var(--primary-500);
    animation: bounce 1.4s ease-in-out infinite;
}

.preloader-dot:nth-child(1) { animation-delay: 0s; }
.preloader-dot:nth-child(2) { animation-delay: 0.2s; }
.preloader-dot:nth-child(3) { animation-delay: 0.4s; }