/* ── Water Preloader Rework ─────────────────────────────────── */

#water-preloader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: #040608;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: all;
    overflow: hidden;
    transition: transform 0.9s cubic-bezier(0.8, 0, 0.1, 1);
    /* Prevents glitches on some mobile browsers when scrolling starts before preloader is gone */
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

#water-preloader.loaded {
    transform: translateY(100%);
    pointer-events: none;
}

.water-container {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 15%; /* Default visible start */
    background: linear-gradient(180deg, #60C8F0 0%, #3a96cd 100%);
    transition: height 1.2s cubic-bezier(0.1, 0.5, 0.2, 1);
    box-shadow: 0 -10px 50px rgba(96, 200, 240, 0.3);
    will-change: height;
}

/* Ensure the wave stays fixed to the top of the container correctly */
.water-wave-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 0;
    overflow: visible;
}

.water-wave {
    position: absolute;
    top: 0; /* Anchor to the surface of the rising container */
    left: 0;
    width: 200%;
    height: 80px;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 120" preserveAspectRatio="none"><path d="M0,60 C300,0 300,120 600,60 C900,0 900,120 1200,60 V120 H0 Z" fill="%2360C8F0"></path></svg>');
    background-size: 50% 80px;
    animation: wave-move 2s linear infinite;
    filter: drop-shadow(0 -5px 10px rgba(96, 200, 240, 0.2));
    transform: translateY(-100%); /* Sit precisely on top of the container edge */
}

.water-wave--back {
    opacity: 0.4;
    animation: wave-move-back 3s linear infinite reverse;
    filter: blur(2px);
}

@keyframes wave-move {
    from { transform: translateY(-100%) translateX(0); }
    to   { transform: translateY(-100%) translateX(-50%); }
}

@keyframes wave-move-back {
    from { transform: translateY(-100%) translateX(0); }
    to   { transform: translateY(-100%) translateX(-50%); }
}

.preloader-content {
    position: relative;
    z-index: 100;
    text-align: center;
    transition: opacity 0.5s ease, transform 0.5s ease;
}

#water-preloader.loaded .preloader-content {
    opacity: 0;
    transform: translateY(-20px);
}

.preloader-logo {
    width: 70px;
    height: 70px;
    margin-bottom: 24px;
    background: rgba(255,255,255,0.03);
    border-radius: 50%;
    padding: 15px;
    border: 1px solid rgba(255,255,255,0.08);
    backdrop-filter: blur(5px);
    animation: preloader-float 3s ease-in-out infinite;
}

@keyframes preloader-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.preloader-content p {
    font-weight: 800;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    font-size: 0.65rem;
    color: var(--toi-accent);
    text-shadow: 0 0 10px rgba(96, 200, 240, 0.4);
}