/* ========================================
   CINEMATIC PRELOADER - Grand Aperture Effect
   Organic Neural Network Design System
   ======================================== */

/* Preloader Container - Full Screen Overlay */
#omm-preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 999999;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--omm-bg-deep, #05261A);
    transition: opacity 0.5s ease-out;
}

/* Hidden state - after animation completes */
#omm-preloader.hidden {
    opacity: 0;
    pointer-events: none;
}

/* Completely removed from DOM */
#omm-preloader.removed {
    display: none;
}

/* Logo Container */
.omm-preloader-logo {
    position: relative;
    z-index: 10;
    width: 300px;
    max-width: 80vw;
    opacity: 0;
    transform: scale(0.8);
    animation: logoEntrance 1s ease-out forwards;
    animation-delay: 0.2s;
}

/* Logo Image */
.omm-preloader-logo img {
    width: 100%;
    height: auto;
    display: block;
    filter: drop-shadow(0 0 30px rgba(140, 164, 100, 0.6));
    animation: logoGlow 2s ease-in-out infinite;
    animation-delay: 1.2s;
}

/* Logo Entrance Animation - Scale + Fade */
@keyframes logoEntrance {
    0% {
        opacity: 0;
        transform: scale(0.8);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* Subtle Gold Glow Pulse */
@keyframes logoGlow {
    0%, 100% {
        filter: drop-shadow(0 0 30px rgba(140, 164, 100, 0.6));
    }
    50% {
        filter: drop-shadow(0 0 50px rgba(140, 164, 100, 0.9));
    }
}

/* ========================================
   GRAND APERTURE - Vertical Split Reveal
   ======================================== */

/* Top Half - Slides Up */
.omm-aperture-top {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: var(--omm-bg-deep, #05261A);
    z-index: 999998;
    transform: translateY(0);
    transition: transform 0.8s cubic-bezier(0.77, 0, 0.175, 1);
}

/* Bottom Half - Slides Down */
.omm-aperture-bottom {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: var(--omm-bg-deep, #05261A);
    z-index: 999998;
    transform: translateY(0);
    transition: transform 0.8s cubic-bezier(0.77, 0, 0.175, 1);
}

/* Gold accent line between halves */
.omm-aperture-top::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent 0%,
        var(--omm-accent-gold, #8CA464) 50%,
        transparent 100%
    );
    box-shadow: 0 0 10px rgba(140, 164, 100, 0.8);
}

/* Reveal Animation - Triggered by JS */
#omm-preloader.revealing .omm-aperture-top {
    transform: translateY(-100%);
}

#omm-preloader.revealing .omm-aperture-bottom {
    transform: translateY(100%);
}

/* Fade out logo during reveal */
#omm-preloader.revealing .omm-preloader-logo {
    opacity: 0;
    transform: scale(1.1);
    transition: opacity 0.4s ease-out, transform 0.4s ease-out;
}

/* ========================================
   BODY SCROLL LOCK
   ======================================== */

/* Prevent scrolling while preloader is active */
body.omm-preloader-active {
    overflow: hidden;
    height: 100vh;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 768px) {
    .omm-preloader-logo {
        width: 220px;
    }
}

@media (max-width: 480px) {
    .omm-preloader-logo {
        width: 180px;
    }
}

/* ========================================
   LOADING SPINNER (Optional Fallback)
   ======================================== */

/* Optional: Add a subtle loading indicator below logo */
.omm-preloader-spinner {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    opacity: 0;
    animation: spinnerFadeIn 0.5s ease-out forwards;
    animation-delay: 1.5s;
}

.omm-preloader-spinner::after {
    content: '';
    display: block;
    width: 100%;
    height: 100%;
    border: 2px solid transparent;
    border-top-color: var(--omm-accent-gold, #8CA464);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spinnerFadeIn {
    to {
        opacity: 0.6;
    }
}

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