/* Standalone demo opened from the CHAT brand. Reuses the existing CSS-built robot. */
.mastering-demo-overlay {
    position: fixed;
    inset: 0;
    z-index: 100000;
    display: grid;
    place-items: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    background:
        radial-gradient(circle at 50% 40%, rgba(24, 216, 255, .09), transparent 26rem),
        radial-gradient(circle at 50% 92%, rgba(240, 179, 61, .06), transparent 28rem),
        rgba(0, 5, 14, .92);
    backdrop-filter: blur(18px) saturate(120%);
    transition: opacity .24s ease, visibility .24s ease;
}

.mastering-demo-overlay.is-open {
    opacity: 1;
    visibility: visible;
}

.mastering-demo-stage {
    position: relative;
    width: min(780px, 92vw);
    height: min(650px, 86vh);
    min-height: 520px;
    overflow: hidden;
    border: 1px solid rgba(64, 181, 255, .22);
    border-radius: 30px;
    background:
        linear-gradient(rgba(24, 216, 255, .025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(24, 216, 255, .025) 1px, transparent 1px),
        radial-gradient(circle at 50% 30%, rgba(8, 104, 255, .18), transparent 21rem),
        linear-gradient(180deg, rgba(5, 22, 42, .98), rgba(1, 8, 20, .995));
    background-size: 36px 36px, 36px 36px, auto, auto;
    box-shadow: 0 45px 130px rgba(0, 0, 0, .68), inset 0 1px 0 rgba(255, 255, 255, .04);
    perspective: 1100px;
}

.mastering-demo-stage::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(115deg, transparent 0 43%, rgba(24,216,255,.025) 49%, transparent 55%);
    animation: masteringDemoSweep 7s linear infinite;
}

.mastering-demo-workbench {
    position: absolute;
    left: 50%;
    top: 46%;
    width: 560px;
    height: 410px;
    transform: translate(-50%, -50%);
    transform-style: preserve-3d;
}

.mastering-demo-robot-wrap {
    position: absolute;
    left: 50%;
    top: 4px;
    width: 210px;
    height: 230px;
    transform: translateX(-50%);
    transform-origin: 50% 54%;
    z-index: 4;
}

.mastering-demo-robot-wrap .chatbot-robot {
    --robot-scale: 1.18;
    position: absolute;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
    animation: masteringDemoBob 2.9s ease-in-out infinite;
}

.mastering-demo-headphones {
    position: absolute;
    left: 50%;
    top: 23px;
    width: 129px;
    height: 91px;
    transform: translateX(-50%);
    z-index: 8;
    pointer-events: none;
}

.mastering-demo-headphones::before {
    content: "";
    position: absolute;
    left: 14px;
    right: 14px;
    top: 0;
    height: 66px;
    border: 9px solid #152a42;
    border-bottom: 0;
    border-radius: 62px 62px 0 0;
    box-shadow: 0 0 0 2px rgba(24,216,255,.08), inset 0 0 0 2px rgba(255,255,255,.04);
}

.mastering-demo-headphones::after {
    content: "";
    position: absolute;
    left: 0;
    top: 48px;
    width: 28px;
    height: 48px;
    border-radius: 12px 16px 16px 12px;
    background: linear-gradient(145deg, #213d5b, #0a1728);
    border: 2px solid rgba(24,216,255,.2);
    box-shadow: 101px 0 0 -2px #13283f, 101px 0 0 0 rgba(24,216,255,.2), 0 0 17px rgba(24,216,255,.18);
}

.mastering-demo-music-wave {
    position: absolute;
    left: 50%;
    top: 69px;
    width: 225px;
    height: 82px;
    transform: translateX(-50%);
    z-index: 1;
    opacity: .6;
    pointer-events: none;
}

.mastering-demo-music-wave i {
    position: absolute;
    top: 50%;
    width: 4px;
    border-radius: 999px;
    background: linear-gradient(180deg, var(--cyan), var(--gold-bright));
    box-shadow: 0 0 13px rgba(24,216,255,.35);
    transform: translateY(-50%);
    animation: masteringDemoEq 1.1s ease-in-out infinite alternate;
}

.mastering-demo-music-wave i:nth-child(1) { left: 1%; height: 18px; animation-delay: -.8s; }
.mastering-demo-music-wave i:nth-child(2) { left: 8%; height: 34px; animation-delay: -.25s; }
.mastering-demo-music-wave i:nth-child(3) { left: 15%; height: 56px; animation-delay: -.6s; }
.mastering-demo-music-wave i:nth-child(4) { left: 22%; height: 30px; animation-delay: -.1s; }
.mastering-demo-music-wave i:nth-child(5) { left: 29%; height: 66px; animation-delay: -.48s; }
.mastering-demo-music-wave i:nth-child(6) { right: 29%; height: 46px; animation-delay: -.72s; }
.mastering-demo-music-wave i:nth-child(7) { right: 22%; height: 63px; animation-delay: -.16s; }
.mastering-demo-music-wave i:nth-child(8) { right: 15%; height: 31px; animation-delay: -.52s; }
.mastering-demo-music-wave i:nth-child(9) { right: 8%; height: 51px; animation-delay: -.33s; }
.mastering-demo-music-wave i:nth-child(10) { right: 1%; height: 22px; animation-delay: -.66s; }

.mastering-demo-arm {
    position: absolute;
    top: 162px;
    z-index: 9;
    width: 76px;
    height: 22px;
    border-radius: 999px;
    background: linear-gradient(180deg, #dff7ff, #7cb5d9 55%, #2b5d83);
    border: 2px solid rgba(24,216,255,.22);
    box-shadow: inset 0 2px 4px rgba(255,255,255,.55), 0 7px 14px rgba(0,0,0,.24);
    transform-origin: 10px 50%;
}

.mastering-demo-arm::after {
    content: "";
    position: absolute;
    right: -8px;
    top: 50%;
    width: 25px;
    height: 25px;
    transform: translateY(-50%);
    border-radius: 50%;
    background: linear-gradient(145deg, #f7fdff, #7aaed0);
    border: 2px solid rgba(24,216,255,.18);
}

.mastering-demo-arm--left {
    left: 18px;
    transform: rotate(34deg);
    animation: masteringDemoLeftHand 5.6s ease-in-out infinite;
}

.mastering-demo-arm--right {
    right: 17px;
    transform: scaleX(-1) rotate(27deg);
    animation: masteringDemoRightHand 4.4s ease-in-out infinite;
}

.mastering-demo-mixer {
    position: absolute;
    left: 50%;
    bottom: 3px;
    width: 500px;
    height: 185px;
    transform: translateX(-50%) rotateX(57deg);
    transform-origin: 50% 100%;
    z-index: 7;
    border: 2px solid rgba(93, 177, 255, .24);
    border-radius: 22px 22px 12px 12px;
    background:
        linear-gradient(90deg, transparent 0 19.5%, rgba(24,216,255,.09) 20%, transparent 20.5%, transparent 39.5%, rgba(24,216,255,.09) 40%, transparent 40.5%, transparent 59.5%, rgba(24,216,255,.09) 60%, transparent 60.5%, transparent 79.5%, rgba(24,216,255,.09) 80%, transparent 80.5%),
        linear-gradient(180deg, #102a47, #071a30 58%, #04101f);
    box-shadow: 0 34px 65px rgba(0,0,0,.55), inset 0 2px 0 rgba(255,255,255,.05);
}

.mastering-demo-mixer::after {
    content: "";
    position: absolute;
    left: 7%;
    right: 7%;
    bottom: 13px;
    height: 5px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--cyan), var(--gold), var(--cyan));
    opacity: .45;
    box-shadow: 0 0 12px rgba(24,216,255,.32);
}

.mastering-demo-knob,
.mastering-demo-fader {
    position: absolute;
    display: block;
}

.mastering-demo-knob {
    width: 23px;
    height: 23px;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 30%, #d7f5ff 0 12%, #5a91b4 14% 35%, #132d47 38% 100%);
    border: 1px solid rgba(24,216,255,.24);
    box-shadow: 0 4px 8px rgba(0,0,0,.35), 0 0 0 5px rgba(24,216,255,.025);
}

.mastering-demo-knob::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 2px;
    width: 2px;
    height: 7px;
    border-radius: 2px;
    background: #fff;
    transform: translateX(-50%);
}

.mastering-demo-knob.k1 { left: 52px; top: 34px; animation: masteringDemoKnob 5.6s ease-in-out infinite; }
.mastering-demo-knob.k2 { left: 145px; top: 52px; transform: rotate(36deg); }
.mastering-demo-knob.k3 { left: 239px; top: 31px; transform: rotate(-42deg); }
.mastering-demo-knob.k4 { right: 144px; top: 48px; animation: masteringDemoKnob2 4.4s ease-in-out infinite; }
.mastering-demo-knob.k5 { right: 51px; top: 34px; transform: rotate(63deg); }

.mastering-demo-fader {
    top: 92px;
    width: 8px;
    height: 58px;
    border-radius: 999px;
    background: #020a12;
    box-shadow: inset 0 0 0 1px rgba(255,255,255,.04);
}

.mastering-demo-fader::after {
    content: "";
    position: absolute;
    left: 50%;
    top: var(--fader, 20px);
    width: 27px;
    height: 12px;
    border-radius: 5px;
    transform: translateX(-50%);
    background: linear-gradient(180deg, #c7e9fa, #47789c);
    border: 1px solid rgba(24,216,255,.18);
    box-shadow: 0 3px 7px rgba(0,0,0,.35);
}

.mastering-demo-fader.f1 { left: 59px; --fader: 8px; }
.mastering-demo-fader.f2 { left: 153px; --fader: 29px; }
.mastering-demo-fader.f3 { left: 247px; --fader: 17px; }
.mastering-demo-fader.f4 { right: 153px; --fader: 34px; }
.mastering-demo-fader.f5 { right: 59px; --fader: 12px; }

.mastering-demo-progress {
    position: absolute;
    left: 50%;
    bottom: 37px;
    width: min(620px, calc(100% - 62px));
    transform: translateX(-50%);
    z-index: 15;
}

.mastering-demo-progress-track {
    position: relative;
    height: 18px;
    overflow: hidden;
    border-radius: 999px;
    border: 1px solid rgba(24,216,255,.25);
    background: rgba(1, 8, 19, .9);
    box-shadow: inset 0 3px 8px rgba(0,0,0,.55), 0 0 24px rgba(24,216,255,.05);
}

.mastering-demo-progress-fill {
    width: 0%;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, #0876ff, #18d8ff 62%, #ffd67a);
    box-shadow: 0 0 22px rgba(24,216,255,.45);
    transition: width .45s ease;
}

.mastering-demo-progress-value {
    margin-top: 9px;
    text-align: center;
    color: #b8d8ed;
    font-size: 12px;
    font-weight: 850;
    letter-spacing: .14em;
    text-transform: uppercase;
}

.mastering-demo-oi {
    position: absolute;
    left: 50%;
    top: 42%;
    z-index: 40;
    opacity: 0;
    transform: translate(-50%, -50%) scale(.2) rotate(-9deg);
    color: #fff;
    font-size: clamp(54px, 11vw, 112px);
    font-weight: 1000;
    font-style: italic;
    letter-spacing: -.08em;
    text-shadow: 0 0 18px rgba(24,216,255,.8), 0 11px 0 rgba(0,0,0,.38);
    pointer-events: none;
}

.mastering-demo-thumb {
    position: absolute;
    right: 7%;
    top: 32%;
    z-index: 45;
    width: 82px;
    height: 118px;
    opacity: 0;
    transform: scale(.2) rotate(12deg);
    transform-origin: 50% 100%;
    border-radius: 37px 37px 31px 31px;
    background: linear-gradient(145deg, #f4fcff, #7eb5d8 58%, #315f81);
    border: 3px solid rgba(24,216,255,.26);
    box-shadow: 0 15px 34px rgba(0,0,0,.38), inset 0 3px 8px rgba(255,255,255,.48), 0 0 36px rgba(24,216,255,.12);
    pointer-events: none;
}

.mastering-demo-thumb::before {
    content: "";
    position: absolute;
    left: -40px;
    top: 42px;
    width: 60px;
    height: 36px;
    border-radius: 30px 10px 12px 30px;
    transform: rotate(-32deg);
    background: inherit;
    border: inherit;
    border-right: 0;
}

.mastering-demo-stage.is-finale .mastering-demo-workbench {
    animation: masteringDemoWorkbenchFade .75s ease forwards;
}

.mastering-demo-stage.is-finale .mastering-demo-robot-wrap {
    z-index: 35;
    animation: masteringDemoHeadbutt 2.1s cubic-bezier(.2,.72,.1,1) forwards;
}

.mastering-demo-stage.is-finale .mastering-demo-robot-wrap .chatbot-robot {
    animation: none;
}

.mastering-demo-stage.is-finale .mastering-demo-headphones,
.mastering-demo-stage.is-finale .mastering-demo-arm,
.mastering-demo-stage.is-finale .mastering-demo-music-wave {
    opacity: 0;
    transition: opacity .25s ease;
}

.mastering-demo-stage.is-finale .mastering-demo-oi {
    animation: masteringDemoOi .72s 1.48s cubic-bezier(.2,1.5,.2,1) forwards;
}

.mastering-demo-stage.is-finale .mastering-demo-thumb {
    animation: masteringDemoThumb .85s 2.15s cubic-bezier(.2,1.35,.25,1) forwards;
}

.mastering-demo-stage.is-finale::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 34;
    pointer-events: none;
    opacity: 0;
    background: radial-gradient(circle at 50% 46%, rgba(255,255,255,.85), rgba(24,216,255,.18) 7%, transparent 20%);
    animation: masteringDemoImpact .36s 1.25s ease-out forwards;
}

@keyframes masteringDemoSweep {
    from { transform: translateX(-28%); }
    to { transform: translateX(28%); }
}

@keyframes masteringDemoBob {
    0%, 100% { transform: translateX(-50%) translateY(0) rotate(-1deg); }
    50% { transform: translateX(-50%) translateY(-5px) rotate(1deg); }
}

@keyframes masteringDemoEq {
    from { transform: translateY(-50%) scaleY(.45); opacity: .34; }
    to { transform: translateY(-50%) scaleY(1.22); opacity: .9; }
}

@keyframes masteringDemoLeftHand {
    0%, 18%, 100% { transform: rotate(34deg); }
    25%, 38% { transform: rotate(58deg) translateX(7px); }
    44%, 72% { transform: rotate(31deg); }
    80%, 92% { transform: rotate(49deg) translateX(5px); }
}

@keyframes masteringDemoRightHand {
    0%, 22%, 100% { transform: scaleX(-1) rotate(27deg); }
    31%, 43% { transform: scaleX(-1) rotate(48deg) translateX(8px); }
    52%, 79% { transform: scaleX(-1) rotate(24deg); }
    86%, 94% { transform: scaleX(-1) rotate(40deg) translateX(5px); }
}

@keyframes masteringDemoKnob {
    0%, 18%, 100% { transform: rotate(0deg); }
    25%, 38% { transform: rotate(92deg); }
    44%, 80% { transform: rotate(38deg); }
    88%, 94% { transform: rotate(-28deg); }
}

@keyframes masteringDemoKnob2 {
    0%, 25%, 100% { transform: rotate(-20deg); }
    34%, 47% { transform: rotate(72deg); }
    55%, 82% { transform: rotate(18deg); }
    88%, 96% { transform: rotate(106deg); }
}

@keyframes masteringDemoWorkbenchFade {
    to { opacity: .2; filter: blur(4px); }
}

@keyframes masteringDemoHeadbutt {
    0% { transform: translateX(-50%) translateZ(0) rotateY(0); }
    20% { transform: translateX(-50%) translateY(-12px) translateZ(30px) rotateY(180deg); }
    44% { transform: translateX(-50%) translateY(-35px) translateZ(150px) rotateY(180deg); }
    61% { transform: translateX(-50%) translateY(-20px) translateZ(380px) rotateY(180deg); }
    74% { transform: translateX(-50%) translateY(-5px) translateZ(720px) rotateY(180deg) scale(1.1); }
    82% { transform: translateX(-50%) translateY(8px) translateZ(900px) rotateY(180deg) scale(1.28); }
    88% { transform: translateX(-50%) translateY(-7px) translateZ(820px) rotateY(180deg) scale(1.2); }
    100% { transform: translateX(-50%) translateY(-18px) translateZ(650px) rotateY(0deg) scale(1.08); }
}

@keyframes masteringDemoImpact {
    0% { opacity: 0; transform: scale(.4); }
    32% { opacity: 1; transform: scale(1.12); }
    100% { opacity: 0; transform: scale(1.5); }
}

@keyframes masteringDemoOi {
    0% { opacity: 0; transform: translate(-50%, -50%) scale(.2) rotate(-9deg); }
    65% { opacity: 1; transform: translate(-50%, -50%) scale(1.18) rotate(4deg); }
    100% { opacity: 1; transform: translate(-50%, -50%) scale(1) rotate(-2deg); }
}

@keyframes masteringDemoThumb {
    0% { opacity: 0; transform: scale(.2) rotate(12deg); }
    70% { opacity: 1; transform: scale(1.18) rotate(-7deg); }
    100% { opacity: 1; transform: scale(1) rotate(-2deg); }
}

@media (max-width: 700px) {
    .mastering-demo-stage { min-height: 470px; height: 82vh; }
    .mastering-demo-workbench { transform: translate(-50%, -50%) scale(.76); }
    .mastering-demo-progress { bottom: 25px; }
}

@media (prefers-reduced-motion: reduce) {
    .mastering-demo-stage *,
    .mastering-demo-stage *::before,
    .mastering-demo-stage *::after {
        animation-duration: .001ms !important;
        animation-iteration-count: 1 !important;
    }
}