/* FZ Group — home preloader: liquid light + air (logo concept) */

html.fz-preloader-active,
html.fz-preloader-active body {
    overflow: hidden;
    background-color: #050508;
}

.fz-preloader {
    --fz-fill: var(--fz-preloader-fill, 12%);
    position: fixed;
    inset: 0;
    z-index: 99999;
    display: none;
    align-items: center;
    justify-content: center;
    background: radial-gradient(ellipse at 50% 35%, #0f1830 0%, #050508 52%, #020203 100%);
    transition: opacity 0.55s ease, visibility 0.55s ease;
}

.fz-preloader.is-active {
    display: flex;
}

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

.fz-preloader__ambient {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(28, 153, 254, 0.12), transparent 42%),
        radial-gradient(circle at 80% 20%, rgba(118, 68, 255, 0.1), transparent 40%);
    pointer-events: none;
}

.fz-preloader__air {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.fz-preloader__air span {
    position: absolute;
    bottom: -12px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: radial-gradient(circle, #ffffff 0%, rgba(75, 139, 249, 0.4) 55%, transparent 100%);
    opacity: 0;
    animation: fz-preloader-bubble 4.2s ease-in infinite;
}

.fz-preloader__air span:nth-child(1) {
    left: 18%;
    animation-delay: 0s;
    width: 5px;
    height: 5px;
}

.fz-preloader__air span:nth-child(2) {
    left: 32%;
    animation-delay: 0.8s;
}

.fz-preloader__air span:nth-child(3) {
    left: 48%;
    animation-delay: 1.6s;
    width: 8px;
    height: 8px;
}

.fz-preloader__air span:nth-child(4) {
    left: 62%;
    animation-delay: 2.2s;
}

.fz-preloader__air span:nth-child(5) {
    left: 76%;
    animation-delay: 3s;
    width: 4px;
    height: 4px;
}

.fz-preloader__air span:nth-child(6) {
    left: 88%;
    animation-delay: 3.6s;
}

.fz-preloader__content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1.5rem;
}

.fz-preloader__vessel {
    position: relative;
    width: 148px;
    height: 148px;
    margin-bottom: 1.5rem;
    border-radius: 50%;
    padding: 4px;
    background: linear-gradient(145deg, rgba(28, 153, 254, 0.55), rgba(118, 68, 255, 0.35), rgba(75, 139, 249, 0.5));
    box-shadow:
        0 0 40px rgba(28, 153, 254, 0.25),
        0 16px 48px rgba(0, 0, 0, 0.45);
    overflow: hidden;
}

.fz-preloader__vessel::before {
    content: "";
    position: absolute;
    inset: 4px;
    border-radius: 50%;
    background: #060912;
    z-index: 0;
}

.fz-preloader__liquid {
    position: absolute;
    left: 4px;
    right: 4px;
    bottom: 4px;
    z-index: 1;
    height: var(--fz-fill);
    max-height: calc(100% - 8px);
    border-radius: 0 0 999px 999px;
    background: linear-gradient(
        180deg,
        rgba(28, 153, 254, 0.95) 0%,
        rgba(75, 139, 249, 0.88) 45%,
        rgba(118, 68, 255, 0.75) 100%
    );
    transition: height 0.35s cubic-bezier(0.33, 1, 0.38, 1);
    overflow: hidden;
    box-shadow: inset 0 8px 24px rgba(255, 255, 255, 0.15);
}

.fz-preloader__wave {
    position: absolute;
    left: -50%;
    width: 200%;
    height: 22px;
    top: -8px;
    border-radius: 45%;
    background: rgba(255, 255, 255, 0.22);
    animation: fz-preloader-wave 2.8s linear infinite;
}

.fz-preloader__wave--2 {
    top: -12px;
    opacity: 0.45;
    animation-duration: 3.6s;
    animation-direction: reverse;
    background: rgba(255, 255, 255, 0.14);
}

.fz-preloader__shine {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        115deg,
        transparent 35%,
        rgba(255, 255, 255, 0.35) 50%,
        transparent 65%
    );
    animation: fz-preloader-shine-sweep 2.2s ease-in-out infinite;
}

.fz-preloader__logo {
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 3;
    width: 64px;
    height: auto;
    transform: translate(-50%, -52%);
    filter: drop-shadow(0 0 16px rgba(75, 139, 249, 0.65));
    animation: fz-preloader-logo-float 3.2s ease-in-out infinite;
}

.fz-preloader__brand {
    margin: 0 0 0.35rem;
    font-family: "Montserrat", "Poppins", system-ui, sans-serif;
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: #ffffff;
    text-shadow: 0 0 20px rgba(75, 139, 249, 0.5);
}

.fz-preloader__tagline {
    margin: 0 0 1rem;
    font-family: "Montserrat", "Poppins", system-ui, sans-serif;
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.82);
}

.fz-preloader__loading-text {
    margin: 0;
    font-family: "Montserrat", "Poppins", system-ui, sans-serif;
    font-size: 0.68rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.42);
}

.fz-preloader.is-exiting .fz-preloader__liquid {
    transition: height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes fz-preloader-wave {
    0% {
        transform: translateX(0) rotate(0deg);
    }
    100% {
        transform: translateX(-25%) rotate(360deg);
    }
}

@keyframes fz-preloader-shine-sweep {
    0%,
    100% {
        opacity: 0.35;
        transform: translateX(-30%);
    }
    50% {
        opacity: 0.85;
        transform: translateX(30%);
    }
}

@keyframes fz-preloader-logo-float {
    0%,
    100% {
        transform: translate(-50%, -54%);
    }
    50% {
        transform: translate(-50%, -48%);
    }
}

@keyframes fz-preloader-bubble {
    0% {
        opacity: 0;
        transform: translateY(0) scale(0.6);
    }
    12% {
        opacity: 0.85;
    }
    100% {
        opacity: 0;
        transform: translateY(-105vh) scale(1.1);
    }
}

@media (prefers-reduced-motion: reduce) {
    .fz-preloader__wave,
    .fz-preloader__shine,
    .fz-preloader__logo,
    .fz-preloader__air span {
        animation: none;
    }

    .fz-preloader__liquid {
        transition: none;
    }
}