.live-shader-section {
    --immersion-opacity: 0;
    --laptop-opacity: 1;
    --laptop-code-opacity: 1;
    --shader-copy-opacity: 1;
    --thought-tail-opacity: 0;
    position: relative;
    z-index: 2;
    min-height: max(720px, 100svh);
    overflow: hidden;
    isolation: isolate;
    background:
        radial-gradient(circle at 82% 38%, rgba(65, 120, 255, 0.13), transparent 28%),
        radial-gradient(circle at 34% 75%, rgba(176, 255, 48, 0.05), transparent 28%),
        #030508;
}

.shader-clip-definitions {
    position: absolute;
}

.shader-immersion,
.shader-immersion canvas {
    position: absolute;
}

.shader-immersion {
    top: 0;
    left: 0;
    z-index: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    opacity: 0;
    filter: drop-shadow(0 0 24px rgba(104, 213, 255, 0.74));
    will-change: top, left, width, height, opacity;
}

.shader-immersion[data-shader-layer="0"] {
    clip-path: url("#thought-cloud-mask-0");
}

.shader-immersion[data-shader-layer="1"] {
    clip-path: url("#thought-cloud-mask-1");
}

.shader-immersion[data-layer-state="active"] {
    z-index: 0;
    opacity: 1;
}

.shader-immersion[data-layer-state="revealing"] {
    z-index: 3;
    opacity: var(--immersion-opacity);
}

.shader-immersion[data-layer-state="dormant"] {
    z-index: 0;
    opacity: 0;
}

.shader-immersion::after {
    position: absolute;
    z-index: 1;
    inset: 0;
    background: radial-gradient(circle at 67% 37%, transparent 42%, rgba(134, 219, 255, 0.18) 100%);
    content: "";
    pointer-events: none;
}

.shader-immersion canvas {
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.shader-origin {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.shader-laptop {
    position: absolute;
    z-index: 1;
    bottom: clamp(120px, 16vh, 175px);
    left: clamp(24px, 8vw, 150px);
    width: clamp(430px, 49vw, 750px);
    opacity: var(--laptop-opacity);
    filter: drop-shadow(0 36px 48px rgba(0, 0, 0, 0.6));
    transform: perspective(1000px) rotateX(2deg) rotateY(5deg) translate3d(0, calc(var(--shader-progress) * 26px), 0);
    transform-origin: center bottom;
    will-change: opacity, transform;
}

.shader-laptop-lid {
    height: clamp(255px, 31vw, 410px);
    overflow: hidden;
    border: 2px solid #3b4549;
    border-radius: 18px 18px 9px 9px;
    background:
        linear-gradient(112deg, rgba(29, 52, 49, 0.16), transparent 42%),
        #030706;
    box-shadow:
        inset 0 0 0 7px #111718,
        inset 0 0 50px rgba(36, 249, 198, 0.05),
        0 0 80px rgba(56, 191, 255, 0.08);
}

.shader-laptop-bar {
    display: flex;
    height: 37px;
    align-items: center;
    gap: 10px;
    padding: 0 19px;
    border-bottom: 1px solid rgba(177, 198, 197, 0.12);
    color: #9aa9a7;
    font: 500 0.58rem/1 var(--mono);
    letter-spacing: 0.08em;
}

.shader-laptop-bar i {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--acid);
    box-shadow: 0 0 14px var(--acid);
}

.shader-laptop-bar strong {
    margin-left: auto;
    color: var(--sky);
    font-weight: 500;
    letter-spacing: 0.16em;
}

.shader-laptop pre {
    height: calc(100% - 37px);
    margin: 0;
    overflow: hidden;
    padding: 23px 30px 34px;
    color: #e4eee8;
    font: 500 clamp(0.64rem, 0.82vw, 0.84rem)/1.58 var(--mono);
    opacity: var(--laptop-code-opacity);
    text-shadow: 0 0 12px rgba(226, 255, 244, 0.12);
    white-space: pre;
    scrollbar-width: none;
    will-change: opacity;
}

.shader-laptop pre::-webkit-scrollbar {
    display: none;
}

.shader-code-token-comment { color: #8ba59d; font-style: italic; }
.shader-code-token-keyword,
.shader-code-token-section { color: #ff927f; }
.shader-code-token-function,
.shader-code-token-patterndefinition { color: #7be2ff; }
.shader-code-token-variable { color: #edf8f1; }
.shader-code-token-number { color: #d5ff63; }
.shader-code-token-string { color: #ffe191; }
.shader-code-token-intrinsic,
.shader-code-token-type { color: #d1aaff; }

.shader-laptop-base {
    position: relative;
    width: calc(100% + 52px);
    height: 30px;
    margin-left: -26px;
    border: 1px solid #3a4243;
    border-radius: 3px 3px 17px 17px;
    background: linear-gradient(#242b2c, #0a0e0e 65%);
    box-shadow: 0 12px 20px rgba(0, 0, 0, 0.72);
}

.shader-laptop-base span {
    display: block;
    width: 19%;
    height: 6px;
    margin: 0 auto;
    border: 1px solid #343d3e;
    border-top: 0;
    border-radius: 0 0 7px 7px;
}

.thought-assembly {
    position: absolute;
    top: 0;
    left: 0;
    width: 1px;
    height: 1px;
}

.thought-tail {
    position: absolute;
    z-index: 2;
    inset: 0;
    opacity: var(--thought-tail-opacity);
    will-change: opacity;
}

.thought-tail-dot {
    position: absolute;
    display: block;
    border: 2px solid rgba(130, 219, 255, 0.8);
    border-radius: 50%;
    background: #071019;
    box-shadow: inset 0 0 16px rgba(83, 188, 255, 0.3), 0 0 16px rgba(83, 188, 255, 0.42);
    transform: translate(-50%, -50%);
    will-change: top, left;
}

.thought-tail-dot:nth-child(1) {
    top: var(--tail-cloud-y, 50%);
    left: var(--tail-cloud-x, 65%);
    width: clamp(42px, 4vw, 62px);
    aspect-ratio: 1;
}

.thought-tail-dot:nth-child(2) {
    top: var(--tail-middle-y, 58%);
    left: var(--tail-middle-x, 55%);
    width: clamp(28px, 2.8vw, 43px);
    aspect-ratio: 1;
}

.thought-tail-dot:nth-child(3) {
    top: var(--tail-origin-y, 64%);
    left: var(--tail-origin-x, 45%);
    width: clamp(17px, 1.7vw, 27px);
    aspect-ratio: 1;
}

.live-shader-section::after {
    position: absolute;
    z-index: 3;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(3, 4, 9, 0.16) 0%, transparent 38%, rgba(3, 4, 8, 0.7) 100%),
        linear-gradient(90deg, rgba(3, 4, 8, 0.52) 0%, transparent 58%);
    content: "";
    pointer-events: none;
}

.shader-atmosphere {
    position: absolute;
    z-index: 4;
    inset: 0;
    border: 1px solid rgba(133, 218, 255, 0.06);
    box-shadow: inset 0 0 120px rgba(0, 0, 0, 0.38);
    pointer-events: none;
}

.shader-copy {
    position: absolute;
    z-index: 5;
    top: clamp(100px, 15vh, 165px);
    right: 0;
    left: 0;
    opacity: var(--shader-copy-opacity);
    pointer-events: none;
}

.shader-copy > p {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 0 24px;
    color: rgba(249, 247, 240, 0.68);
    font: 500 0.62rem/1 var(--mono);
    letter-spacing: 0.14em;
}

.shader-copy > p > span {
    width: 28px;
    height: 1px;
    background: var(--sky);
    box-shadow: 0 0 12px var(--sky);
}

.shader-copy h1 {
    margin: 0;
    color: var(--white);
    font-size: clamp(4.8rem, 10vw, 11rem);
    font-weight: 600;
    letter-spacing: -0.09em;
    line-height: 0.78;
    text-shadow: 0 5px 45px rgba(3, 4, 8, 0.45);
}

.shader-copy h1 em {
    color: var(--sky);
    font-style: normal;
}

.shader-readout {
    position: absolute;
    z-index: 6;
    right: 0;
    bottom: clamp(35px, 7vh, 75px);
    left: 0;
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 40px;
}

.shader-readout > span {
    max-width: 390px;
    color: rgba(249, 247, 240, 0.76);
    font-size: 0.76rem;
    line-height: 1.65;
}

.shader-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.shader-actions > button,
.shader-actions > a,
.shader-actions > strong {
    min-width: 82px;
    padding: 11px 13px;
    border: 1px solid rgba(249, 247, 240, 0.26);
    background: rgba(8, 10, 9, 0.55);
    color: rgba(249, 247, 240, 0.82);
    font: 500 0.61rem/1 var(--mono);
    letter-spacing: 0.08em;
    text-align: center;
    text-decoration: none;
    backdrop-filter: blur(10px);
}

.shader-actions > button { cursor: pointer; }
.shader-actions > button,
.shader-actions > a {
    transition: border-color 160ms ease, color 160ms ease, background 160ms ease;
}

.shader-actions > button:hover,
.shader-actions > button:focus-visible,
.shader-actions > a:hover,
.shader-actions > a:focus-visible {
    border-color: var(--sky);
    background: rgba(8, 10, 9, 0.78);
    color: var(--sky);
}

.shader-actions > strong {
    min-width: 210px;
    border: 1px solid rgba(199, 255, 56, 0.62);
    color: var(--acid);
}