/*
 * Formal index IP and intro animation snapshot.
 *
 * Copied from the approved index2 state and scoped to body.ace-index-ip-intro
 * so later index2 experiments remain isolated from the formal homepage.
 */

html.index-intro-pending,
html.index-intro-pending body.ace-index-ip-intro,
html.ace-index-intro-active,
html.ace-index-intro-active body.ace-index-ip-intro {
    background: #120b0b;
}

html.index-intro-pending body.ace-index-ip-intro {
    overflow: hidden;
}

html.index-intro-pending body.ace-index-ip-intro .ace-intro {
    display: flex;
}

html.index-intro-pending body.ace-index-ip-intro .index-ip-intro-portal {
    top: var(--index-ip-portal-top, calc(100vh - 156px));
    left: var(--index-ip-portal-left, calc(100vw - 97px));
    width: var(--index-ip-portal-width, 63px);
    height: var(--index-ip-portal-height, 26px);
    border-radius: var(--index-ip-portal-round, 8px);
    clip-path: none;
    filter: none;
    opacity: 1;
}

body.ace-index-ip-intro .ace-intro {
    --index-ip-portal-x: calc(100vw - 66px);
    --index-ip-portal-y: calc(100vh - 143px);
    --index-ip-portal-top: calc(100vh - 156px);
    --index-ip-portal-left: calc(100vw - 97px);
    --index-ip-portal-width: 63px;
    --index-ip-portal-height: 26px;
    --index-ip-portal-round: 8px;
    width: 100vw;
    height: var(--index-ip-viewport-height, 100vh);
    min-height: var(--index-ip-viewport-height, 100vh);
    overflow: hidden;
    background: transparent;
    isolation: isolate;
    perspective: 1200px;
}

body.ace-index-ip-intro .ace-intro.is-opening,
body.ace-index-ip-intro .ace-intro.is-leaving {
    animation: none;
    transform: none;
}

body.ace-index-ip-intro .index-ip-intro-portal {
    position: absolute;
    z-index: 0;
    top: var(--index-ip-portal-top);
    left: var(--index-ip-portal-left);
    width: var(--index-ip-portal-width);
    height: var(--index-ip-portal-height);
    min-height: 0;
    overflow: hidden;
    background: #120b0b;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    border-radius: var(--index-ip-portal-round);
    clip-path: none;
    opacity: 0;
    pointer-events: none;
    box-shadow: 0 12px 34px rgba(29, 8, 12, .28);
    transform: translateZ(0);
    transform-origin: 0 0;
    will-change: top, left, width, height, border-radius, box-shadow, opacity;
}

body.ace-index-ip-intro .index-ip-intro-portal .ace-intro__media {
    z-index: 0;
    top: 0;
    right: auto;
    bottom: auto;
    left: 0;
    width: 100% !important;
    height: 100% !important;
    min-width: 100%;
    min-height: 100%;
    max-width: none;
    max-height: none;
    object-position: center;
    transform: translateZ(0) scale(1.018);
    transform-origin: center;
    will-change: filter, transform;
}

body.ace-index-ip-intro .index-ip-intro-portal .ace-intro__poster {
    position: absolute;
    z-index: 1;
    top: 0;
    left: 0;
    display: block;
    width: 100% !important;
    height: 100% !important;
    min-height: 100%;
    opacity: 1;
    pointer-events: none;
    transition: opacity .26s ease, visibility 0s linear 0s;
    visibility: visible;
}

body.ace-index-ip-intro .index-ip-intro-portal .ace-intro__poster img {
    display: block;
    width: 100% !important;
    height: 100% !important;
    min-width: 100%;
    min-height: 100%;
    max-width: none;
    max-height: none;
    object-fit: cover;
    object-position: center;
    transform: translateZ(0) scale(1.018);
    transform-origin: center;
}

/*
 * Fill common Pad viewports without black bars. `cover` applies only the
 * minimum aspect-ratio crop, while removing the extra cosmetic zoom keeps
 * as much of the source frame visible as the viewport allows.
 */
@media (min-width: 768px) and (max-width: 1366px) and (min-height: 600px) {
    body.ace-index-ip-intro .index-ip-intro-portal {
        background-image: none !important;
    }

    body.ace-index-ip-intro .index-ip-intro-portal .ace-intro__media,
    body.ace-index-ip-intro .index-ip-intro-portal .ace-intro__poster img {
        object-fit: cover;
        transform: none !important;
        transform-origin: center;
        will-change: auto;
    }
}

@supports (height: 100dvh) {
    body.ace-index-ip-intro .ace-intro {
        height: var(--index-ip-viewport-height, 100dvh);
        min-height: var(--index-ip-viewport-height, 100dvh);
    }
}

/*
 * Keep the Apple mobile video compositor flat. The poster performs the
 * opening/closing mask; the decoded video is shown only after the portal is
 * fully open so the animation still starts at the IP screen.
 */
@media (max-width: 767px) {
    body.ace-index-ip-intro.ace-index-flat-apple-video .ace-intro {
        perspective: none;
    }

    body.ace-index-ip-intro.ace-index-flat-apple-video .index-ip-intro-portal {
        transform: none;
        will-change: top, left, width, height, border-radius, box-shadow, opacity;
    }

    body.ace-index-ip-intro.ace-index-flat-apple-video .index-ip-intro-portal .ace-intro__media,
    body.ace-index-ip-intro.ace-index-flat-apple-video .index-ip-intro-portal .ace-intro__poster img {
        transform: none !important;
        transform-origin: center;
        will-change: auto;
    }

    body.ace-index-ip-intro.ace-index-flat-apple-video .ace-intro.is-preparing .ace-intro__media,
    body.ace-index-ip-intro.ace-index-flat-apple-video .ace-intro.is-opening .ace-intro__media,
    body.ace-index-ip-intro.ace-index-flat-apple-video .ace-intro.is-leaving .ace-intro__media {
        visibility: hidden;
    }

    body.ace-index-ip-intro.ace-index-flat-apple-video .ace-intro.is-preparing .ace-intro__poster,
    body.ace-index-ip-intro.ace-index-flat-apple-video .ace-intro.is-opening .ace-intro__poster,
    body.ace-index-ip-intro.ace-index-flat-apple-video .ace-intro.is-leaving .ace-intro__poster {
        opacity: 1 !important;
        visibility: visible !important;
    }
}

body.ace-index-ip-intro .ace-intro.is-video-ready .ace-intro__poster {
    opacity: 0;
    transition: opacity .26s ease, visibility 0s linear .26s;
    visibility: hidden;
}

/* Only shown when the first video frame has not arrived or playback is denied. */
body.ace-index-ip-intro .index-ip-intro-start {
    position: absolute;
    z-index: 2;
    inset: 0;
    display: grid;
    place-items: center;
    padding: 24px;
    background: linear-gradient(180deg, rgba(0, 0, 0, .08), rgba(0, 0, 0, .42));
    pointer-events: none;
}

body.ace-index-ip-intro .index-ip-intro-start[hidden] {
    display: none;
}

body.ace-index-ip-intro .index-ip-intro-start__content {
    position: relative;
    display: grid;
    place-items: center;
    width: 100%;
    max-width: 340px;
    text-align: center;
    color: #d8faff;
}

body.ace-index-ip-intro .index-ip-intro-start__button {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 10px;
    width: 176px;
    height: 176px;
    padding: 18px;
    border: 1px solid rgba(165, 241, 255, .8);
    border-radius: 50%;
    color: #edfdff;
    background: radial-gradient(circle at 50% 38%, #214958 0, #0c2635 58%, #143d4b 100%);
    box-shadow: inset 0 0 24px rgba(92, 224, 255, .18), 0 0 0 6px rgba(133, 227, 250, .05), 0 0 38px rgba(87, 212, 255, .16);
    font: inherit;
    cursor: pointer;
    pointer-events: auto;
    -webkit-tap-highlight-color: transparent;
    transition: background .2s, box-shadow .2s;
}

body.ace-index-ip-intro .index-ip-intro-start__button::after {
    content: "";
    position: absolute;
    inset: 7px;
    border: 1px solid rgba(156, 238, 255, .18);
    border-radius: 50%;
    pointer-events: none;
    animation: ace-start-breathe 3s ease-in-out infinite;
}

body.ace-index-ip-intro .index-ip-intro-start__orbit {
    position: absolute;
    width: 268px;
    height: 268px;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    overflow: visible;
    pointer-events: none;
    stroke: #9eeeff;
}

body.ace-index-ip-intro .index-ip-intro-start__track { stroke-opacity: .2; }
body.ace-index-ip-intro .index-ip-intro-start__ticks { stroke-width: 4; stroke-dasharray: 1 7; stroke-opacity: .38; }
body.ace-index-ip-intro .index-ip-intro-start__rotor {
    stroke-width: 2;
    stroke-linecap: round;
    transform-origin: 140px 140px;
    animation: ace-start-orbit 24s linear infinite;
}
body.ace-index-ip-intro .index-ip-intro-start__sights { stroke-opacity: .65; }

body.ace-index-ip-intro .index-ip-intro-start__eyebrow {
    position: absolute;
    bottom: calc(100% + 76px);
    left: 50%;
    width: 260px;
    transform: translateX(-50%);
    color: #b7dfeb;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: .3em;
    pointer-events: none;
}

body.ace-index-ip-intro .index-ip-intro-start__eyebrow span {
    display: block;
    margin-top: 12px;
    color: #edfaff;
    font-size: 20px;
    letter-spacing: .26em;
}

body.ace-index-ip-intro .index-ip-intro-start__icon {
    width: 28px;
    height: 28px;
    stroke: #baf5ff;
    stroke-width: 1.5;
    stroke-linecap: round;
}

body.ace-index-ip-intro .index-ip-intro-start__label {
    font-size: 28px;
    line-height: 1.3;
    font-weight: 500;
    letter-spacing: .12em;
    text-indent: .12em;
    text-shadow: 0 0 18px rgba(163, 242, 255, .4);
}

body.ace-index-ip-intro .index-ip-intro-start__hint {
    color: #a4cbd5;
    font-size: 9px;
    letter-spacing: .16em;
}

body.ace-index-ip-intro .index-ip-intro-start__button:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 10px;
}

body.ace-index-ip-intro .index-ip-intro-start__button:active {
    box-shadow: inset 0 0 38px rgba(92, 224, 255, .38), 0 0 48px rgba(87, 212, 255, .3);
}

body.ace-index-ip-intro .index-ip-intro-start__button:disabled { cursor: wait; }
body.ace-index-ip-intro .index-ip-intro-start__button:disabled .index-ip-intro-start__rotor { animation-duration: 5s; }
body.ace-index-ip-intro .index-ip-intro-start__button:disabled .index-ip-intro-start__hint { visibility: hidden; }

body.ace-index-ip-intro .index-ip-intro-start__skip {
    position: absolute;
    top: calc(100% + 76px);
    min-width: 176px;
    min-height: 44px;
    padding: 10px 20px;
    border: 0;
    border-bottom: 1px solid rgba(178, 227, 242, .3);
    border-radius: 0;
    color: #c4dce4;
    background: transparent;
    font: inherit;
    font-size: 13px;
    letter-spacing: .1em;
    cursor: pointer;
    pointer-events: auto;
}

@keyframes ace-start-orbit { to { transform: rotate(360deg); } }
@keyframes ace-start-breathe { 50% { opacity: .4; } }

@media (max-height: 560px) {
    body.ace-index-ip-intro .index-ip-intro-start__button { width: 140px; height: 140px; gap: 6px; }
    body.ace-index-ip-intro .index-ip-intro-start__orbit { width: 208px; height: 208px; }
    body.ace-index-ip-intro .index-ip-intro-start__eyebrow { bottom: calc(100% + 42px); }
    body.ace-index-ip-intro .index-ip-intro-start__eyebrow span { display: none; }
    body.ace-index-ip-intro .index-ip-intro-start__skip { top: calc(100% + 38px); }
}

@media (prefers-reduced-motion: reduce) {
    body.ace-index-ip-intro .index-ip-intro-start__rotor,
    body.ace-index-ip-intro .index-ip-intro-start__button::after { animation: none; }
}

body.ace-index-ip-intro .ace-intro[data-index-ip-playback-first="true"] .ace-intro__actions {
    display: none;
}

body.ace-index-ip-intro .ace-intro[data-index-ip-playback-first="false"] .index-ip-intro-start__skip {
    display: none;
}

body.ace-index-ip-intro .index-ip-intro-start p:empty {
    display: none;
}

body.ace-index-ip-intro .index-ip-intro-start p {
    position: absolute;
    top: calc(100% + 128px);
    width: 100%;
    margin: 0;
    color: #c4dce4;
    font-size: 12px;
    line-height: 1.8;
    text-shadow: 0 1px 6px rgba(0, 0, 0, .65);
}

body.ace-index-ip-intro .index-ip-intro-portal__grid {
    position: absolute;
    z-index: 2;
    inset: 0;
    background:
        linear-gradient(90deg, transparent 0 49.9%, rgba(255, 255, 255, .1) 50%, transparent 50.1%),
        repeating-linear-gradient(0deg, transparent 0 6px, rgba(255, 255, 255, .065) 7px, transparent 8px),
        radial-gradient(circle at var(--index-ip-portal-x) var(--index-ip-portal-y), rgba(255, 255, 255, .18) 0 1px, rgba(173, 15, 27, .13) 2px 8%, transparent 28%);
    mix-blend-mode: screen;
    opacity: 0;
    pointer-events: none;
}

body.ace-index-ip-intro .index-ip-intro-holo-beam {
    position: absolute;
    z-index: 1;
    inset: 0;
    background:
        conic-gradient(from 205deg at var(--index-ip-portal-x) var(--index-ip-portal-y), transparent 0 3deg, rgba(255, 255, 255, .34) 5deg, rgba(171, 16, 27, .18) 16deg, transparent 29deg),
        radial-gradient(circle at var(--index-ip-portal-x) var(--index-ip-portal-y), rgba(255, 255, 255, .9) 0 1px, rgba(176, 18, 30, .3) 2px 4%, transparent 24%);
    mix-blend-mode: screen;
    opacity: 0;
    pointer-events: none;
    transform: translateZ(0);
}

body.ace-index-ip-intro .index-ip-intro-holo-origin {
    position: absolute;
    z-index: 5;
    top: var(--index-ip-portal-y);
    left: var(--index-ip-portal-x);
    width: 104px;
    height: 104px;
    border: 1px solid rgba(255, 255, 255, .46);
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, .92) 0 1px, rgba(191, 19, 32, .32) 2px 7%, transparent 31%);
    box-shadow: 0 0 22px rgba(177, 16, 29, .26), inset 0 0 18px rgba(255, 255, 255, .08);
    opacity: 0;
    pointer-events: none;
    transform: translate(-50%, -50%) scale(.45);
    transform-origin: center;
}

body.ace-index-ip-intro .index-ip-intro-holo-origin::before,
body.ace-index-ip-intro .index-ip-intro-holo-origin::after {
    position: absolute;
    border-radius: 50%;
    content: "";
    inset: -12px;
    background: repeating-conic-gradient(from 0deg, rgba(255, 255, 255, .8) 0 1deg, transparent 1deg 13deg, rgba(173, 16, 29, .46) 13deg 15deg, transparent 15deg 31deg);
    -webkit-mask: radial-gradient(circle, transparent 0 68%, #000 69% 73%, transparent 74%);
    mask: radial-gradient(circle, transparent 0 68%, #000 69% 73%, transparent 74%);
}

body.ace-index-ip-intro .index-ip-intro-holo-origin::after {
    inset: 8px;
    opacity: .7;
    transform: rotate(20deg);
}

body.ace-index-ip-intro .index-ip-intro-holo-origin i,
body.ace-index-ip-intro .index-ip-intro-holo-origin i::before,
body.ace-index-ip-intro .index-ip-intro-holo-origin i::after {
    position: absolute;
    top: 50%;
    left: 50%;
    display: block;
    width: 32px;
    height: 1px;
    background: rgba(255, 255, 255, .76);
    content: "";
    transform: translate(-50%, -50%);
}

body.ace-index-ip-intro .index-ip-intro-holo-origin i::after {
    transform: translate(-50%, -50%) rotate(90deg);
}

body.ace-index-ip-intro .index-ip-intro-hud {
    position: absolute;
    z-index: 4;
    border: 1px solid rgba(255, 255, 255, .08);
    opacity: 0;
    pointer-events: none;
    inset: 22px;
}

body.ace-index-ip-intro .index-ip-intro-hud::before,
body.ace-index-ip-intro .index-ip-intro-hud::after {
    position: absolute;
    width: 58px;
    height: 58px;
    border-color: rgba(255, 255, 255, .7);
    content: "";
}

body.ace-index-ip-intro .index-ip-intro-hud::before {
    top: -1px;
    left: -1px;
    border-top: 1px solid;
    border-left: 1px solid;
}

body.ace-index-ip-intro .index-ip-intro-hud::after {
    right: -1px;
    bottom: -1px;
    border-right: 1px solid;
    border-bottom: 1px solid;
}

body.ace-index-ip-intro .index-ip-intro-hud__label,
body.ace-index-ip-intro .index-ip-intro-hud__status {
    position: absolute;
    font-family: var(--ace-sans);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: .18em;
    text-shadow: 0 0 10px rgba(170, 15, 28, .42);
}

body.ace-index-ip-intro .index-ip-intro-hud__label {
    top: 11px;
    left: 13px;
}

body.ace-index-ip-intro .index-ip-intro-hud__status {
    right: 13px;
    bottom: 11px;
}

body.ace-index-ip-intro .ace-intro.is-preparing .ace-intro__content,
body.ace-index-ip-intro .ace-intro.is-preparing .ace-intro__actions,
body.ace-index-ip-intro .ace-intro.is-preparing .ace-intro__progress {
    opacity: 0;
}

body.ace-index-ip-intro .ace-intro.is-preparing .index-ip-intro-holo-origin {
    animation: indexIpIntroHoloAcquire .36s cubic-bezier(.18, .78, .2, 1) both;
}

body.ace-index-ip-intro .ace-intro.is-opening .index-ip-intro-holo-origin {
    animation: indexIpIntroHoloLaunch .66s ease-out both;
}

body.ace-index-ip-intro .ace-intro.is-opening .index-ip-intro-holo-beam {
    animation: indexIpIntroBeamOpen .66s ease-out both;
}

body.ace-index-ip-intro .ace-intro.is-opening .index-ip-intro-portal__grid {
    animation: indexIpIntroGridOpen .66s linear both;
}

body.ace-index-ip-intro .ace-intro.is-opening .ace-intro__content,
body.ace-index-ip-intro .ace-intro.is-opening .ace-intro__actions,
body.ace-index-ip-intro .ace-intro.is-opening .ace-intro__progress {
    animation: indexIpIntroUiEnter 1.05s ease-out both;
}

body.ace-index-ip-intro .ace-intro.is-opening .index-ip-intro-hud {
    animation: indexIpIntroHudEnter .66s ease-out both;
}

body.ace-index-ip-intro .ace-intro.is-playing .index-ip-intro-hud {
    opacity: .52;
}

body.ace-index-ip-intro .ace-intro.is-playing .index-ip-intro-portal__grid {
    opacity: .12;
}

body.ace-index-ip-intro .ace-intro.is-leaving .index-ip-intro-holo-origin {
    animation: none;
    opacity: 0;
}

body.ace-index-ip-intro .ace-intro.is-leaving .index-ip-intro-holo-beam {
    z-index: 6;
    inset: auto;
    top: var(--index-ip-portal-y);
    left: var(--index-ip-portal-x);
    width: clamp(92px, 9vw, 132px);
    height: clamp(92px, 9vw, 132px);
    border-radius: 50%;
    background: radial-gradient(circle, rgba(181, 17, 31, .42) 0 14%, rgba(174, 13, 28, .27) 30%, rgba(153, 8, 23, .1) 52%, transparent 72%);
    box-shadow: 0 0 30px rgba(184, 16, 30, .3), 0 0 56px rgba(143, 7, 20, .16);
    animation: indexIpIntroBeamClose .66s cubic-bezier(.16, .84, .3, 1) both;
    mix-blend-mode: normal;
    transform-origin: center;
}

body.ace-index-ip-intro .ace-intro.is-leaving .index-ip-intro-portal__grid {
    animation: indexIpIntroGridClose .66s cubic-bezier(.16, .84, .3, 1) both;
}

body.ace-index-ip-intro .ace-intro.is-leaving .index-ip-intro-hud {
    animation: indexIpIntroHudExit .3s ease-in both;
}

body.ace-index-ip-intro .ace-intro.is-preparing .index-ip-intro-holo-origin::before,
body.ace-index-ip-intro .ace-intro.is-opening .index-ip-intro-holo-origin::before {
    animation: indexIpIntroRingSpin 1.7s linear infinite;
}

body.ace-index-ip-intro .ace-intro.is-preparing .index-ip-intro-holo-origin::after,
body.ace-index-ip-intro .ace-intro.is-opening .index-ip-intro-holo-origin::after {
    animation: indexIpIntroRingCounterSpin 1.2s linear infinite;
}

body.ace-index-ip-intro [data-index-ip-replay]::before {
    left: 50%;
    animation: indexIpIntroIpShadow 4.8s ease-in-out infinite;
}

body.ace-index-ip-intro .index-ip-intro-ip-stage {
    position: absolute;
    inset: 0;
    animation: indexIpIntroIpIdle 4.8s ease-in-out infinite;
    transform-origin: 50% 92%;
    will-change: transform;
}

body.ace-index-ip-intro .index-ip-intro-ip-pose,
body.ace-index-ip-intro .index-ip-intro-ip-motion {
    position: absolute;
    z-index: 1;
    inset: 0;
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center bottom;
    pointer-events: none;
    transform-origin: center bottom;
    transform: translate(-1px, -5px) scale(1.2);
    will-change: opacity, transform;
}

body.ace-index-ip-intro .index-ip-intro-ip-pose--one {
    visibility: visible;
    opacity: 1;
}

body.ace-index-ip-intro .index-ip-intro-ip-pose--two {
    visibility: hidden;
    opacity: 0;
}

body.ace-index-ip-intro [data-index-ip-replay].is-pose-two .index-ip-intro-ip-pose--one {
    visibility: hidden;
    opacity: 0;
}

body.ace-index-ip-intro [data-index-ip-replay].is-pose-two .index-ip-intro-ip-pose--two {
    visibility: visible;
    opacity: 1;
}

body.ace-index-ip-intro .index-ip-intro-ip-blink {
    position: absolute;
    z-index: 3;
    inset: 0;
    display: block;
    width: 100%;
    height: 100%;
    overflow: visible;
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    transform: translate(-1px, -5px) scale(1.2);
    transform-origin: center bottom;
}

body.ace-index-ip-intro [data-index-ip-replay].is-ip-blinking:not(.is-pose-two) .index-ip-intro-ip-blink--one,
body.ace-index-ip-intro [data-index-ip-replay].is-ip-blinking.is-pose-two .index-ip-intro-ip-blink--two {
    visibility: visible;
    opacity: 1;
}

body.ace-index-ip-intro .index-ip-intro-ip-blink__lid {
    transform: scaleY(0);
    transform-box: fill-box;
    will-change: transform;
}

body.ace-index-ip-intro .index-ip-intro-ip-blink__lid--top {
    transform-origin: center top;
}

body.ace-index-ip-intro .index-ip-intro-ip-blink__lid--bottom {
    transform-origin: center bottom;
}

body.ace-index-ip-intro .index-ip-intro-ip-blink__seam {
    opacity: 0;
    stroke: rgba(255, 178, 92, .5);
    stroke-linecap: round;
    stroke-width: 4;
    filter: drop-shadow(0 0 5px rgba(255, 157, 62, .42));
}

body.ace-index-ip-intro [data-index-ip-replay].is-ip-blinking .index-ip-intro-ip-blink__lid--top {
    animation: indexIpIntroIpBlinkTop 340ms cubic-bezier(.42, 0, .24, 1) both;
}

body.ace-index-ip-intro [data-index-ip-replay].is-ip-blinking .index-ip-intro-ip-blink__lid--bottom {
    animation: indexIpIntroIpBlinkBottom 340ms cubic-bezier(.42, 0, .24, 1) both;
}

body.ace-index-ip-intro [data-index-ip-replay].is-ip-blinking .index-ip-intro-ip-blink__seam {
    animation: indexIpIntroIpBlinkSeam 340ms ease both;
}

body.ace-index-ip-intro .index-ip-intro-ip-motion {
    z-index: 2;
    visibility: hidden;
    opacity: 0;
    transition: opacity 110ms linear;
}

body.ace-index-ip-intro [data-index-ip-replay].is-ip-motion-playing:not(.is-ip-motion-settling) .index-ip-intro-ip-pose {
    visibility: hidden;
    opacity: 0;
}

body.ace-index-ip-intro [data-index-ip-replay].is-ip-motion-playing .index-ip-intro-ip-motion.is-active {
    visibility: visible;
    opacity: 1;
}

body.ace-index-ip-intro [data-index-ip-replay].is-ip-motion-preparing .index-ip-intro-ip-motion.is-incoming,
body.ace-index-ip-intro [data-index-ip-replay].is-ip-motion-preparing .index-ip-intro-ip-motion.is-outgoing {
    visibility: visible;
}

body.ace-index-ip-intro [data-index-ip-replay].is-ip-motion-preparing .index-ip-intro-ip-motion.is-incoming {
    z-index: 4;
    opacity: 0;
}

body.ace-index-ip-intro [data-index-ip-replay].is-ip-motion-preparing .index-ip-intro-ip-motion.is-outgoing,
body.ace-index-ip-intro [data-index-ip-replay].is-ip-motion-preparing.is-ip-motion-committing .index-ip-intro-ip-motion.is-incoming {
    opacity: 1;
}

body.ace-index-ip-intro [data-index-ip-replay].is-ip-motion-preparing .index-ip-intro-ip-motion.is-outgoing {
    z-index: 3;
}

body.ace-index-ip-intro [data-index-ip-replay].is-ip-motion-preparing.is-ip-motion-committing .index-ip-intro-ip-motion.is-outgoing,
body.ace-index-ip-intro [data-index-ip-replay].is-ip-motion-settling .index-ip-intro-ip-motion.is-active {
    opacity: 0;
}

body.ace-index-ip-intro [data-index-ip-replay].is-ip-motion-playing .index-ip-intro-ip-blink {
    visibility: hidden;
    opacity: 0;
}

@keyframes indexIpIntroIpBlinkTop {
    0%, 10%, 100% { transform: scaleY(0); }
    43%, 58% { transform: scaleY(1); }
    88% { transform: scaleY(.18); }
}

@keyframes indexIpIntroIpBlinkBottom {
    0%, 10%, 100% { transform: scaleY(0); }
    43%, 58% { transform: scaleY(1); }
    88% { transform: scaleY(.18); }
}

@keyframes indexIpIntroIpBlinkSeam {
    0%, 34%, 72%, 100% { opacity: 0; }
    46%, 60% { opacity: .86; }
}

/* Formal-index-only floating control cluster: keep TOP visually linked to the IP. */
body.ace-index-ip-intro .ace-back-top {
    right: 24px;
    bottom: 22px;
    display: inline-flex;
    width: 84px;
    height: 38px;
    padding: 0 14px;
    align-items: center;
    justify-content: center;
    gap: 7px;
    overflow: visible;
    border: 1px solid rgba(176, 17, 30, .34);
    border-radius: 999px;
    color: #a80f1d;
    background: linear-gradient(135deg, rgba(255, 255, 255, .96), rgba(249, 243, 244, .9));
    box-shadow: 0 10px 24px rgba(79, 11, 18, .12), inset 0 0 0 1px rgba(255, 255, 255, .72);
    font-family: var(--ace-sans);
    font-size: 16px;
    font-weight: 700;
    line-height: 1;
    letter-spacing: 0;
    isolation: isolate;
    transform: translate3d(14px, 0, 0) scale(.96);
    transition:
        opacity .24s ease,
        transform .3s cubic-bezier(.2, .78, .2, 1),
        visibility .24s,
        color .2s ease,
        border-color .2s ease,
        background .2s ease,
        box-shadow .2s ease;
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
}

body.ace-index-ip-intro .ace-back-top::before {
    position: absolute;
    top: -18px;
    left: 50%;
    width: 1px;
    height: 18px;
    background: #b01020;
    content: "";
    opacity: .46;
    transform: translateX(-50%);
}

body.ace-index-ip-intro .ace-back-top::after {
    content: "TOP";
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .16em;
}

body.ace-index-ip-intro .ace-back-top.is-visible {
    transform: translate3d(0, 0, 0) scale(1);
}

body.ace-index-ip-intro .ace-back-top.is-visible:focus-visible {
    border-color: rgba(168, 15, 29, .82);
    color: #fff;
    background: linear-gradient(135deg, #bd1121, #9e0b18);
    box-shadow: 0 12px 28px rgba(125, 9, 21, .24), 0 0 0 4px rgba(181, 17, 31, .08);
    outline: none;
    transform: translate3d(0, -2px, 0) scale(1.02);
}

@media (hover: hover) and (pointer: fine) {
    body.ace-index-ip-intro .ace-back-top.is-visible:hover {
        border-color: rgba(168, 15, 29, .82);
        color: #fff;
        background: linear-gradient(135deg, #bd1121, #9e0b18);
        box-shadow: 0 12px 28px rgba(125, 9, 21, .24), 0 0 0 4px rgba(181, 17, 31, .08);
        outline: none;
        transform: translate3d(0, -2px, 0) scale(1.02);
    }
}

@media (hover: none), (pointer: coarse) {
    body.ace-index-ip-intro .ace-back-top.is-visible:active {
        border-color: rgba(168, 15, 29, .82);
        color: #fff;
        background: linear-gradient(135deg, #bd1121, #9e0b18);
        box-shadow: 0 8px 20px rgba(125, 9, 21, .2), 0 0 0 4px rgba(181, 17, 31, .08);
        transform: translate3d(0, 0, 0) scale(.97);
    }
}

body.ace-index-ip-intro [data-index-ip-replay]::before {
    transition: box-shadow .24s ease;
}

body.ace-index-ip-intro:has(.ace-back-top.is-visible:focus-visible) [data-index-ip-replay]::before {
    box-shadow:
        0 3px 0 rgba(168, 16, 27, .95),
        0 0 0 5px rgba(184, 18, 31, .08),
        0 7px 18px rgba(109, 8, 17, .22);
}

@media (hover: hover) and (pointer: fine) {
    body.ace-index-ip-intro:has(.ace-back-top.is-visible:hover) [data-index-ip-replay]::before {
        box-shadow:
            0 3px 0 rgba(168, 16, 27, .95),
            0 0 0 5px rgba(184, 18, 31, .08),
            0 7px 18px rgba(109, 8, 17, .22);
    }
}

@keyframes indexIpIntroIpIdle {
    0%, 100% {
        transform: translate3d(0, 0, 0) rotate(-.25deg) scale(1);
    }

    48% {
        transform: translate3d(0, -4px, 0) rotate(.35deg) scale(1.01, .996);
    }
}

@keyframes indexIpIntroIpShadow {
    0%, 100% {
        opacity: .82;
        transform: translateX(-50%) scaleX(1);
    }

    48% {
        opacity: .55;
        transform: translateX(-50%) scaleX(.86);
    }
}

@keyframes indexIpIntroHoloAcquire {
    0% {
        opacity: 0;
        filter: blur(3px) brightness(1.6);
        transform: translate(-50%, -50%) scale(.18) rotate(-12deg);
    }

    58% {
        opacity: 1;
        filter: blur(0) brightness(1.15);
    }

    100% {
        opacity: .86;
        filter: none;
        transform: translate(-50%, -50%) scale(.72) rotate(0);
    }
}

@keyframes indexIpIntroHoloLaunch {
    0% {
        opacity: .96;
        transform: translate(-50%, -50%) scale(.72);
    }

    32% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.08);
    }

    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(2.15);
    }
}

@keyframes indexIpIntroHoloRecall {
    0%, 52% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(2.1);
    }

    78% {
        opacity: .82;
    }

    100% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(.58);
    }
}

@keyframes indexIpIntroBeamOpen {
    0% {
        opacity: .92;
        transform: scale(.72);
        transform-origin: var(--index-ip-portal-x) var(--index-ip-portal-y);
    }

    62% {
        opacity: .48;
    }

    100% {
        opacity: 0;
        transform: scale(1.08);
        transform-origin: var(--index-ip-portal-x) var(--index-ip-portal-y);
    }
}

@keyframes indexIpIntroBeamClose {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(1.16);
    }

    10% {
        opacity: .32;
        transform: translate(-50%, -50%) scale(1.02);
    }

    28% {
        opacity: .16;
        transform: translate(-50%, -50%) scale(.78);
    }

    48% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(.62);
    }

    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(.58);
    }
}

@keyframes indexIpIntroGridOpen {
    0% {
        opacity: .74;
        transform: translateY(8px);
    }

    72% {
        opacity: .26;
    }

    100% {
        opacity: .12;
        transform: translateY(0);
    }
}

@keyframes indexIpIntroGridClose {
    0% {
        opacity: .12;
        transform: translateY(0);
    }

    72% {
        opacity: .07;
    }

    100% {
        opacity: 0;
        transform: translateY(3px);
    }
}

@keyframes indexIpIntroUiEnter {
    0%, 72% {
        opacity: 0;
        transform: translateY(7px);
    }

    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes indexIpIntroHudEnter {
    0%, 28% {
        opacity: 0;
        filter: blur(2px);
        transform: scale(.985);
    }

    62% {
        opacity: .82;
    }

    100% {
        opacity: .52;
        filter: none;
        transform: scale(1);
    }
}

@keyframes indexIpIntroHudExit {
    0% {
        opacity: .52;
    }

    100% {
        opacity: 0;
        transform: scale(.99);
    }
}

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

@keyframes indexIpIntroRingCounterSpin {
    to {
        transform: rotate(-340deg);
    }
}

@media (max-width: 767px) {
    body.ace-index-ip-intro .index-ip-intro-hud {
        inset: 14px;
    }

    body.ace-index-ip-intro .index-ip-intro-hud__label,
    body.ace-index-ip-intro .index-ip-intro-hud__status {
        font-size: 8px;
        letter-spacing: .12em;
    }

    body.ace-index-ip-intro .index-ip-intro-holo-origin {
        width: 82px;
        height: 82px;
    }

    body.ace-index-ip-intro .ace-back-top {
        right: 25px;
        bottom: 14px;
        width: 44px;
        height: 44px;
        padding: 0;
        gap: 0;
        border-color: rgba(176, 17, 30, .42);
        border-radius: 50%;
        font-size: 17px;
    }

    body.ace-index-ip-intro .ace-back-top::before {
        top: -8px;
        width: 1px;
        height: 8px;
    }

    body.ace-index-ip-intro .ace-back-top::after {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    body.ace-index-ip-intro .index-ip-intro-ip-stage,
    body.ace-index-ip-intro [data-index-ip-replay]::before,
    body.ace-index-ip-intro .index-ip-intro-holo-origin,
    body.ace-index-ip-intro .index-ip-intro-holo-origin::before,
    body.ace-index-ip-intro .index-ip-intro-holo-origin::after,
    body.ace-index-ip-intro .index-ip-intro-holo-beam,
    body.ace-index-ip-intro .index-ip-intro-portal__grid,
    body.ace-index-ip-intro .index-ip-intro-hud,
    body.ace-index-ip-intro .ace-intro__content,
    body.ace-index-ip-intro .ace-intro__actions,
    body.ace-index-ip-intro .ace-intro__progress {
        animation: none;
    }

    body.ace-index-ip-intro .ace-intro.is-playing .index-ip-intro-hud {
        opacity: .24;
    }
}

@media (max-height: 560px) {
    body.ace-index-ip-intro .index-ip-intro-start p { top: calc(100% + 88px); }
}