.intro-splash {
    --intro-bg: #7e1f2e;
    position: fixed;
    inset: 0;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--intro-bg);
    overflow: hidden;
}

.intro-splash.is-leaving {
    opacity: 0;
    transition: opacity 0.45s ease;
    pointer-events: none;
}

.intro-splash__frame {
    --intro-edge: 18%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    height: 90%;
    max-width: 90vw;
    max-height: 90vh;
    background: var(--intro-bg);
    overflow: hidden;
    isolation: isolate;
    box-shadow:
        0 0 0 1px var(--intro-bg),
        0 0 48px 28px var(--intro-bg),
        0 0 96px 56px rgba(126, 31, 46, 0.9);
}

.intro-splash__media {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    user-select: none;
    pointer-events: none;
    -webkit-mask-image:
        linear-gradient(to right, transparent 0%, #000 var(--intro-edge), #000 calc(100% - var(--intro-edge)), transparent 100%),
        linear-gradient(to bottom, transparent 0%, #000 calc(var(--intro-edge) - 2%), #000 calc(100% - var(--intro-edge) + 2%), transparent 100%);
    mask-image:
        linear-gradient(to right, transparent 0%, #000 var(--intro-edge), #000 calc(100% - var(--intro-edge)), transparent 100%),
        linear-gradient(to bottom, transparent 0%, #000 calc(var(--intro-edge) - 2%), #000 calc(100% - var(--intro-edge) + 2%), transparent 100%);
    -webkit-mask-composite: source-in;
    mask-composite: intersect;
}

.intro-splash__edge-blend {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background:
        linear-gradient(
            to right,
            var(--intro-bg) 0%,
            rgba(126, 31, 46, 0.97) 6%,
            rgba(126, 31, 46, 0.72) 14%,
            transparent 26%,
            transparent 74%,
            rgba(126, 31, 46, 0.72) 86%,
            rgba(126, 31, 46, 0.97) 94%,
            var(--intro-bg) 100%
        ),
        linear-gradient(
            to bottom,
            var(--intro-bg) 0%,
            rgba(126, 31, 46, 0.96) 5%,
            rgba(126, 31, 46, 0.68) 12%,
            transparent 24%,
            transparent 76%,
            rgba(126, 31, 46, 0.68) 88%,
            rgba(126, 31, 46, 0.96) 95%,
            var(--intro-bg) 100%
        );
}

.intro-splash__skip {
    position: absolute;
    top: max(1rem, env(safe-area-inset-top, 0));
    inset-inline-end: max(1rem, env(safe-area-inset-right, 0));
    z-index: 2;
    padding: 0.5rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.45);
    border-radius: 999px;
    background: rgba(0, 0, 0, 0.35);
    color: #fff;
    font: inherit;
    font-size: 0.9rem;
    cursor: pointer;
    backdrop-filter: blur(6px);
    transition: background 0.2s ease, border-color 0.2s ease;
}

.intro-splash__skip:hover,
.intro-splash__skip:focus-visible {
    background: rgba(0, 0, 0, 0.55);
    border-color: rgba(255, 255, 255, 0.75);
    outline: none;
}