/* ==========================================================================
   MaaNaa Preloader — Brand construction reveal
   Single colored logo image sliced via clip-path to animate each "door"
   independently, then the script signature is drawn left→right.
   Ported from manalevent — adjusted percentages for mana logo proportions.
   ========================================================================== */

#preloader {
    position: fixed;
    inset: 0;
    background: radial-gradient(ellipse at center, #1a2823 0%, #0d130f 100%);
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s ease, visibility 0.6s;
}

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

.preloader-stage {
    position: relative;
    width: clamp(220px, 28vw, 360px);
    aspect-ratio: 600 / 520;
}

.preloader-stage img {
    width: 100%;
    height: auto;
    display: block;
    position: absolute;
    top: 0;
    left: 0;
}

/* — Four colored doors sliced vertically (top 50% of logo) — */
.preloader-slice-1 {
    clip-path: inset(0 75% 50% 0);
    transform-origin: 12.5% 50%;
    transform: scaleY(0);
    opacity: 0;
    animation: preloaderRise 0.7s cubic-bezier(0.16, 1, 0.3, 1) 0.1s forwards,
               preloaderBreathe 4s ease-in-out 2.4s infinite;
}
.preloader-slice-2 {
    clip-path: inset(0 50% 50% 25%);
    transform-origin: 37.5% 50%;
    transform: scaleY(0);
    opacity: 0;
    animation: preloaderRise 0.7s cubic-bezier(0.16, 1, 0.3, 1) 0.22s forwards,
               preloaderBreathe 4s ease-in-out 2.4s infinite;
}
.preloader-slice-3 {
    clip-path: inset(0 25% 50% 50%);
    transform-origin: 62.5% 50%;
    transform: scaleY(0);
    opacity: 0;
    animation: preloaderRise 0.7s cubic-bezier(0.16, 1, 0.3, 1) 0.34s forwards,
               preloaderBreathe 4s ease-in-out 2.4s infinite;
}
.preloader-slice-4 {
    clip-path: inset(0 0 50% 75%);
    transform-origin: 87.5% 50%;
    transform: scaleY(0);
    opacity: 0;
    animation: preloaderRise 0.7s cubic-bezier(0.16, 1, 0.3, 1) 0.46s forwards,
               preloaderBreathe 4s ease-in-out 2.4s infinite;
}

/* — Script signature reveal (bottom 50% of logo) —
   Filter inverts the black script to a luminous cream so it pops
   against the dark backdrop without needing a separate asset. */
.preloader-wordmark-img {
    clip-path: polygon(0% 50%, 0% 50%, 0% 100%, 0% 100%);
    filter: brightness(0) invert(1) sepia(0.18) saturate(0.4);
    animation: preloaderSignature 1s cubic-bezier(0.65, 0, 0.35, 1) 0.85s forwards,
               preloaderBreatheSoft 4s ease-in-out 2.6s infinite;
}

/* — Golden ground line under doors — */
.preloader-ground {
    position: absolute;
    left: 5%;
    right: 5%;
    top: 50%;
    height: 1px;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(176, 168, 138, 0.65) 50%,
        transparent 100%);
    opacity: 0;
    transform: scaleX(0);
    z-index: 1;
    animation: preloaderGround 0.6s ease-out forwards;
}

/* — Glowing pen following the signature path — */
.preloader-pen {
    position: absolute;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #e8d4a0;
    box-shadow: 0 0 12px rgba(232, 212, 160, 0.95),
                0 0 24px rgba(232, 212, 160, 0.55);
    top: 78%;
    left: 6%;
    opacity: 0;
    z-index: 10;
    transform: translate(-50%, -50%);
    animation: preloaderPen 1s cubic-bezier(0.65, 0, 0.35, 1) 0.85s forwards;
}

@keyframes preloaderRise {
    0%   { transform: scaleY(0); opacity: 0; }
    30%  { opacity: 1; }
    100% { transform: scaleY(1); opacity: 1; }
}

@keyframes preloaderSignature {
    0%   { clip-path: polygon(0% 50%, 0% 50%, 0% 100%, 0% 100%); }
    100% { clip-path: polygon(0% 50%, 100% 50%, 100% 100%, 0% 100%); }
}

@keyframes preloaderPen {
    0%   { opacity: 0; left: 6%; }
    10%  { opacity: 1; }
    90%  { opacity: 1; }
    100% { opacity: 0; left: 94%; }
}

@keyframes preloaderGround {
    0%   { opacity: 0; transform: scaleX(0); }
    100% { opacity: 1; transform: scaleX(1); }
}

@keyframes preloaderBreathe {
    0%, 100% { transform: scaleY(1); }
    50%      { transform: scaleY(1.015); }
}

/* Wordmark uses invert filter for color → only modulate transform here
   so the breathing loop doesn't reset the invert. */
@keyframes preloaderBreatheSoft {
    0%, 100% { transform: scale(1); }
    50%      { transform: scale(1.008); }
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
    .preloader-slice-1,
    .preloader-slice-2,
    .preloader-slice-3,
    .preloader-slice-4 {
        transform: scaleY(1);
        opacity: 1;
        animation: none;
        clip-path: inset(0 0 50% 0);
    }
    .preloader-wordmark-img {
        clip-path: polygon(0% 50%, 100% 50%, 100% 100%, 0% 100%);
        animation: none;
    }
    .preloader-ground { opacity: 1; transform: scaleX(1); animation: none; }
    .preloader-pen { display: none; }
}