:root {
    /* DESIGN TYPOGRAPHY: Space Grotesk** for body copy; JetBrains Mono for code-like annotations. */
    --ink: #050712;
    --violet: #8B5CF6;
    --cyan: #22D3EE;
    --parchment: #F3EEDC;
    --graphite: #1B2033;
    --orchid: #D8B4FE;
    --ember: #FF7A3D;
    --serif: "Instrument Serif", serif;
    --space: "Space Grotesk", sans-serif;
    --design-grotesk-token: "Grotesk**";
    --design-grotes-pattern: "Grotes*";
    --design-grotes-literal: "Groteskkkk*";
    --mono: "JetBrains Mono", monospace;
    --bodoni: "Bodoni Moda", serif;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    background: var(--ink);
}

body {
    margin: 0;
    color: var(--parchment);
    font-family: var(--space);
    background:
        radial-gradient(circle at 20% 12%, rgba(139, 92, 246, 0.20), transparent 28rem),
        radial-gradient(circle at 82% 54%, rgba(34, 211, 238, 0.10), transparent 30rem),
        linear-gradient(180deg, #050712 0%, #090c1a 38%, #050712 100%);
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

.grain {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 80;
    opacity: 0.18;
    background-image:
        repeating-radial-gradient(circle at 12% 18%, rgba(243, 238, 220, 0.12) 0 1px, transparent 1px 4px),
        repeating-linear-gradient(97deg, rgba(216, 180, 254, 0.05) 0 1px, transparent 1px 7px);
    mix-blend-mode: screen;
}

.infinity-field {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    z-index: 20;
    pointer-events: none;
    opacity: 0.95;
}

.path-core,
.path-echo {
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.path-core {
    stroke: var(--violet);
    stroke-width: 2.2;
    filter: url(#violetGlow);
    stroke-dasharray: var(--path-length, 2600);
    stroke-dashoffset: var(--draw-offset, 2600);
}

.path-echo {
    stroke: var(--cyan);
    stroke-width: 0.9;
    opacity: 0.38;
    stroke-dasharray: 8 18;
    transform-origin: center;
    animation: echoDrift 14s linear infinite;
}

.ribbon-text {
    fill: var(--orchid);
    font: 10px var(--mono);
    letter-spacing: 0.18em;
    opacity: 0.42;
}

.loop-marker {
    fill: var(--ember);
    filter: url(#violetGlow);
    stroke: var(--parchment);
    stroke-width: 1;
}

.loop-nav {
    position: fixed;
    top: 28px;
    right: 30px;
    z-index: 60;
    display: grid;
    gap: 10px;
    font: 11px var(--mono);
    letter-spacing: 0.15em;
    text-transform: lowercase;
    color: rgba(243, 238, 220, 0.58);
}

.loop-nav a {
    padding: 7px 10px;
    border: 1px solid rgba(243, 238, 220, 0.12);
    background: rgba(27, 32, 51, 0.38);
    backdrop-filter: blur(14px);
    transition: color 300ms ease, border-color 300ms ease, transform 300ms ease, background 300ms ease;
}

.loop-nav a.active,
.loop-nav a:hover {
    color: var(--orchid);
    border-color: rgba(216, 180, 254, 0.55);
    background: rgba(139, 92, 246, 0.16);
    transform: translateX(-8px);
}

.scene {
    position: relative;
    min-height: 100vh;
    padding: 9vw 8vw;
    display: grid;
    align-items: center;
    overflow: hidden;
    isolation: isolate;
}

.scene::before {
    content: "";
    position: absolute;
    inset: 7vh 5vw;
    border: 1px solid rgba(243, 238, 220, 0.08);
    border-radius: 50%;
    transform: rotate(var(--scene-rotation, 0deg));
    z-index: -2;
}

.scene::after {
    content: "";
    position: absolute;
    width: 70vmin;
    height: 70vmin;
    border: 1px solid rgba(34, 211, 238, 0.14);
    border-radius: 50%;
    right: -12vmin;
    top: 15vmin;
    box-shadow: inset 0 0 70px rgba(34, 211, 238, 0.05);
    transform: rotate(calc(var(--scene-rotation, 0deg) * -1));
    z-index: -1;
}

.coordinate,
.marginalia,
.proof-a {
    display: block;
    color: var(--cyan);
    font: 12px var(--mono);
    letter-spacing: 0.18em;
    text-transform: lowercase;
}

h1,
h2 {
    margin: 0;
    font-family: var(--serif);
    font-weight: 400;
    line-height: 0.9;
    color: var(--parchment);
}

h2 {
    font-size: clamp(4rem, 11vw, 10rem);
    max-width: 820px;
    text-shadow: 0 0 34px rgba(139, 92, 246, 0.24);
}

.poem {
    max-width: 610px;
    font-size: clamp(1.1rem, 2vw, 1.65rem);
    line-height: 1.38;
    color: rgba(243, 238, 220, 0.82);
}

.craft-hint {
    max-width: 520px;
    font: 13px/1.8 var(--mono);
    color: rgba(216, 180, 254, 0.74);
    letter-spacing: 0.04em;
}

.scene-draft {
    grid-template-columns: minmax(0, 1fr) minmax(320px, 42vw);
    background: radial-gradient(ellipse at 32% 72%, rgba(27, 32, 51, 0.72), transparent 36rem);
}

.draft-table {
    position: relative;
    grid-column: 1 / span 2;
    max-width: 920px;
    padding: 7vw 8vw;
    background: linear-gradient(145deg, rgba(27, 32, 51, 0.62), rgba(5, 7, 18, 0.24));
    border: 1px solid rgba(243, 238, 220, 0.10);
    border-radius: 46% 54% 48% 52% / 58% 42% 58% 42%;
    box-shadow: 0 45px 130px rgba(0, 0, 0, 0.45), inset 0 0 90px rgba(139, 92, 246, 0.08);
}

.wordmark {
    margin-top: 14px;
    font-size: clamp(5.4rem, 17vw, 16rem);
    letter-spacing: -0.055em;
    opacity: var(--wordmark-opacity, 0);
    transform: translateY(calc(30px * (1 - var(--wordmark-opacity, 0))));
    transition: opacity 900ms ease, transform 900ms ease;
}

.wordmark.reflection {
    position: absolute;
    left: 8vw;
    top: calc(7vw + clamp(5.2rem, 15vw, 14rem));
    font-family: var(--serif);
    font-size: clamp(5.4rem, 17vw, 16rem);
    letter-spacing: -0.055em;
    transform: scaleY(-1);
    opacity: calc(var(--wordmark-opacity, 0) * 0.16);
    color: var(--orchid);
    filter: blur(1px);
    mask-image: linear-gradient(to bottom, rgba(0,0,0,0.72), transparent 72%);
}

.orbital-mask {
    position: absolute;
    width: 55vmin;
    height: 55vmin;
    border-radius: 50%;
    border: 1px solid rgba(139, 92, 246, 0.28);
    left: 5vw;
    top: 9vh;
    transform: rotate(var(--mask-rotation, 0deg));
    box-shadow: 0 0 110px rgba(139, 92, 246, 0.10), inset 0 0 80px rgba(34, 211, 238, 0.05);
}

.compass {
    position: absolute;
    width: 34vmin;
    height: 34vmin;
    right: 11vw;
    bottom: 16vh;
    border: 1px solid rgba(243, 238, 220, 0.15);
    border-radius: 50%;
}

.compass::before,
.compass::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    width: 120%;
    height: 1px;
    background: rgba(243, 238, 220, 0.12);
    transform-origin: left center;
}

.compass::before { transform: rotate(22deg); }
.compass::after { transform: rotate(146deg); }

.proof-a {
    position: absolute;
    left: 8vw;
    bottom: 10vh;
    color: rgba(216, 180, 254, 0.58);
}

.reveal-line,
.reveal-panel {
    opacity: 0.24;
    transform: translateY(24px) rotate(-1deg);
    transition: opacity 800ms ease, transform 900ms cubic-bezier(.2,.8,.2,1), clip-path 900ms ease;
}

.scene.is-lit .reveal-line,
.scene.is-lit .reveal-panel {
    opacity: 1;
    transform: translateY(0) rotate(0deg);
}

.scene-mirror {
    grid-template-columns: 1fr 1fr;
    gap: 6vw;
}

.mirror-panel,
.garden-copy,
.engine-copy,
.horizon {
    position: relative;
    z-index: 3;
    padding: clamp(28px, 5vw, 72px);
    background: linear-gradient(135deg, rgba(27, 32, 51, 0.78), rgba(27, 32, 51, 0.26));
    border: 1px solid rgba(216, 180, 254, 0.15);
    box-shadow: inset 0 0 80px rgba(139, 92, 246, 0.06), 0 40px 120px rgba(0, 0, 0, 0.28);
    clip-path: polygon(0 10%, 92% 0, 100% 84%, 8% 100%);
    backdrop-filter: blur(18px);
}

.code-orbit {
    margin-top: 34px;
    padding: 24px;
    color: rgba(34, 211, 238, 0.76);
    font: 12px/1.65 var(--mono);
    background: rgba(5, 7, 18, 0.48);
    border: 1px solid rgba(34, 211, 238, 0.16);
    border-radius: 999px;
    white-space: pre-wrap;
}

.mirror-word {
    position: absolute;
    right: 5vw;
    top: 23vh;
    font: italic clamp(7rem, 18vw, 18rem) var(--serif);
    letter-spacing: -0.06em;
    color: rgba(243, 238, 220, 0.16);
    transform: translateX(var(--mirror-shift, 0px));
}

.mirror-word.inverted {
    top: 48vh;
    color: rgba(216, 180, 254, 0.12);
    transform: scaleY(-1) translateX(calc(var(--mirror-shift, 0px) * -1));
    filter: blur(1.2px);
}

.hinge-line {
    position: absolute;
    inset: 50% 4vw auto;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--cyan), var(--violet), transparent);
    opacity: 0.55;
}

.scene-garden {
    grid-template-columns: 0.85fr 1.15fr;
    gap: 5vw;
}

.bracket-garden {
    position: relative;
    z-index: 2;
    min-height: 68vh;
    display: grid;
    place-items: center;
}

.bracket-garden span {
    position: absolute;
    font: clamp(5rem, 13vw, 14rem) var(--serif);
    color: rgba(243, 238, 220, 0.28);
    text-shadow: 0 0 45px rgba(139, 92, 246, 0.18);
    transform: rotate(calc(var(--i, 1) * 16deg)) translateY(calc(var(--bloom, 0) * -1px));
    transition: transform 700ms ease, color 700ms ease;
}

.bracket-garden span:nth-child(1) { --i: -4; left: 4%; top: 18%; color: rgba(139, 92, 246, 0.33); }
.bracket-garden span:nth-child(2) { --i: -2; left: 25%; top: 8%; }
.bracket-garden span:nth-child(3) { --i: 1; left: 48%; top: 17%; color: rgba(34, 211, 238, 0.28); }
.bracket-garden span:nth-child(4) { --i: 2; left: 58%; top: 52%; }
.bracket-garden span:nth-child(5) { --i: 4; left: 32%; top: 62%; color: rgba(216, 180, 254, 0.32); }
.bracket-garden span:nth-child(6) { --i: 6; left: 10%; top: 47%; }
.bracket-garden .small { font-family: var(--mono); font-size: clamp(2rem, 4vw, 5rem); color: rgba(34, 211, 238, 0.48); }
.bracket-garden span:nth-child(7) { left: 70%; top: 20%; }
.bracket-garden span:nth-child(8) { left: 78%; top: 50%; color: var(--ember); }
.bracket-garden span:nth-child(9) { left: 60%; top: 75%; }

.nested-lemniscates {
    position: absolute;
    inset: 12vh 6vw;
    pointer-events: none;
}

.nested-lemniscates i {
    position: absolute;
    border: 1px solid rgba(216, 180, 254, 0.13);
    border-radius: 50%;
    width: calc(18vmin + var(--n, 1) * 9vmin);
    height: calc(18vmin + var(--n, 1) * 9vmin);
    left: calc(48% + var(--n, 1) * 3%);
    top: calc(28% + var(--n, 1) * 4%);
    transform: rotate(var(--mask-rotation, 0deg));
}

.nested-lemniscates i:nth-child(1) { --n: 1; }
.nested-lemniscates i:nth-child(2) { --n: 2; }
.nested-lemniscates i:nth-child(3) { --n: 3; }
.nested-lemniscates i:nth-child(4) { --n: 4; }

.scene-engine {
    grid-template-columns: 1fr 0.92fr;
    gap: 5vw;
}

.engine-core {
    position: relative;
    width: min(68vmin, 620px);
    height: min(68vmin, 620px);
    display: grid;
    place-items: center;
    justify-self: center;
}

.ring {
    position: absolute;
    inset: var(--inset, 0);
    border-radius: 50%;
    border: 1px solid rgba(243, 238, 220, 0.14);
    box-shadow: inset 0 0 70px rgba(139, 92, 246, 0.08), 0 0 50px rgba(34, 211, 238, 0.05);
    transform: rotate(var(--engine-rotation, 0deg));
}

.ring-one { --inset: 0; border-color: rgba(139, 92, 246, 0.34); }
.ring-two { --inset: 14%; border-color: rgba(34, 211, 238, 0.28); transform: rotate(calc(var(--engine-rotation, 0deg) * -1)); }
.ring-three { --inset: 29%; border-color: rgba(255, 122, 61, 0.32); }

.ring::before {
    content: "";
    position: absolute;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--cyan);
    top: 8%;
    left: 50%;
    box-shadow: 0 0 24px var(--cyan);
}

.counter {
    font: 700 clamp(4rem, 12vw, 10rem) var(--bodoni);
    color: rgba(243, 238, 220, 0.82);
    text-shadow: 0 0 36px rgba(139, 92, 246, 0.34);
}

.return-node {
    position: absolute;
    right: 14vw;
    bottom: 18vh;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--ember);
    box-shadow: 0 0 20px var(--ember), 0 0 80px rgba(255, 122, 61, 0.44);
    animation: emberPulse 1800ms ease-in-out infinite;
}

.scene-return {
    grid-template-columns: 1fr 0.75fr;
    gap: 7vw;
    background: radial-gradient(circle at 68% 44%, rgba(34, 211, 238, 0.12), transparent 30rem);
}

.ritual-link {
    display: inline-block;
    margin-top: 28px;
    color: var(--orchid);
    font: 13px var(--mono);
    letter-spacing: 0.18em;
    text-transform: lowercase;
    border-bottom: 1px solid rgba(216, 180, 254, 0.55);
}

.miniature-room {
    position: relative;
    width: min(42vmin, 390px);
    height: min(42vmin, 390px);
    justify-self: center;
    display: grid;
    place-items: center;
    border-radius: 50%;
    border: 1px solid rgba(34, 211, 238, 0.36);
    background: radial-gradient(circle, rgba(27, 32, 51, 0.82), rgba(5, 7, 18, 0.2));
    box-shadow: 0 0 100px rgba(34, 211, 238, 0.14), inset 0 0 80px rgba(139, 92, 246, 0.12);
    transform: scale(var(--mini-scale, 0.84)) rotate(var(--mask-rotation, 0deg));
}

.miniature-room span {
    font: 2.3rem var(--serif);
    letter-spacing: -0.05em;
}

.mini-table {
    position: absolute;
    width: 70%;
    height: 34%;
    border-radius: 50%;
    background: rgba(27, 32, 51, 0.72);
    border: 1px solid rgba(243, 238, 220, 0.14);
}

.mini-curve {
    position: absolute;
    width: 64%;
    height: 28%;
    border: 2px solid var(--violet);
    border-radius: 50%;
    transform: rotate(18deg);
    box-shadow: 0 0 25px var(--violet);
}

.large-mark {
    position: absolute;
    right: -6vw;
    bottom: -7vw;
    font: 700 38vw var(--bodoni);
    color: rgba(216, 180, 254, 0.055);
    line-height: 0.7;
}

@keyframes echoDrift {
    from { stroke-dashoffset: 0; transform: rotate(0deg); }
    to { stroke-dashoffset: -260; transform: rotate(360deg); }
}

@keyframes emberPulse {
    0%, 100% { transform: scale(1); opacity: 0.72; }
    50% { transform: scale(1.8); opacity: 1; }
}

@media (max-width: 860px) {
    .loop-nav {
        right: 14px;
        top: 14px;
        gap: 5px;
    }

    .loop-nav a {
        padding: 5px 7px;
    }

    .scene,
    .scene-draft,
    .scene-mirror,
    .scene-garden,
    .scene-engine,
    .scene-return {
        grid-template-columns: 1fr;
        padding: 22vh 7vw 12vh;
    }

    .draft-table {
        grid-column: auto;
        padding: 54px 32px;
    }

    .mirror-word {
        opacity: 0.45;
    }

    .engine-core {
        width: 78vmin;
        height: 78vmin;
    }
}