:root {
    --c-bg: #0c0c0e;
    --c-accent: #ff4900;
}

#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;

    background: var(--c-bg);
    z-index: 99999;
    opacity: 1;
    visibility: visible;

    transition: opacity 0.35s ease, visibility 0s linear 0.35s;
}

#preloader.is-loaded {
    opacity: 0;
    visibility: hidden;
}

.preloader-container {
    position: absolute;
    top: 50%;
    left: 50%;

    width: 200px;
    height: 200px;

    display: flex;
    align-items: center;
    justify-content: center;

    transform: translate(-50%, -50%);
}

.preloader-circle {
    position: absolute;

    width: 100%;
    height: 100%;

    border: 2px solid transparent;
    border-top-color: var(--c-accent);
    border-radius: 50%;

    animation: spin 1.5s linear infinite;
}

.preloader-circle:nth-child(2) {
    width: 80%;
    height: 80%;

    border-top-color: color-mix(in srgb, var(--c-accent) 60%, transparent);

    animation-delay: -0.2s;
    animation-direction: reverse;
}

.preloader-circle:nth-child(3) {
    width: 60%;
    height: 60%;

    border-top-color: color-mix(in srgb, var(--c-accent) 30%, transparent);

    animation-delay: -0.4s;
}

/* MAP: Центральний логотип прелоадера */
.preloader-logo-container {
    position: absolute;

    width: 100%;
    height: 100%;

    display: flex;
    align-items: center;
    justify-content: center;

    opacity: 0;
    animation: fade-in 0.7s ease forwards;
}

.preloader-logo-container img {
    max-width: 90px;
    object-fit: contain;
}

/* MAP: Вимкнені елементи візуального прогресу */
.preloader-counter,
.preloader-progress-bar,
.preloader-progress-bar-inner {
    display: none;
}

/* MAP: Фінальна фаза — формування кілець і наліт перед появою сторінки */
.preloader-complete .preloader-circle {
    animation: preloader-ring-impact 0.65s cubic-bezier(0.22, 1, 0.36, 1) forwards;
    border-color: var(--c-accent);
}

.preloader-complete .preloader-circle:nth-child(1) {
    animation-delay: 0s;
}

.preloader-complete .preloader-circle:nth-child(2) {
    animation-delay: 0.06s;
}

.preloader-complete .preloader-circle:nth-child(3) {
    animation-delay: 0.12s;
}

.preloader-complete .preloader-logo-container {
    animation: logo-suck-in 0.48s cubic-bezier(0.55, 0.085, 0.68, 0.53) forwards;
    animation-delay: 0.04s;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

@keyframes fade-in {
    to {
        opacity: 1;
    }
}

@keyframes preloader-ring-impact {
    0% {
        transform: scale(1) rotate(0deg);
        opacity: 1;
        border-color: var(--c-accent);
        filter: drop-shadow(0 0 0 rgba(255, 73, 0, 0));
    }

    42% {
        transform: scale(0.92) rotate(70deg);
        opacity: 1;
        border-color: var(--c-accent);
        filter: drop-shadow(0 0 18px rgba(255, 73, 0, 0.75));
    }

    100% {
        transform: scale(1.55) rotate(-170deg);
        opacity: 0;
        border-color: rgba(255, 73, 0, 0.85);
        filter: drop-shadow(0 0 28px rgba(255, 73, 0, 0));
    }
}

@keyframes logo-suck-in {
    0% {
        transform: scale(1);
        opacity: 1;
        filter: blur(0);
    }

    100% {
        transform: scale(0);
        opacity: 0;
        filter: blur(10px);
    }
}