/* =========================================================
   simai.dev — chromed candy / dopamine bays
   ========================================================= */

:root {
    --mercury-base: #dadde2;
    --polished-chrome: #f4f5f8;
    --deep-chrome: #9a9da4;
    --gunmetal-ink: #1a1d23;
    --bright-white: #ffffff;
    --chrome-mid: #e2e4e9;
    --chrome-dark: #b8bbc1;
    --chrome-soft: #c6c8ce;

    --dopamine-magenta: #ff2d87;
    --dopamine-lime: #c6ff3a;
    --dopamine-tangerine: #ff7a1a;
    --dopamine-cyan: #2de0ff;

    --page-wash: linear-gradient(135deg, #f4f5f8, #dadde2 40%, #c6c8ce);
    --chip-chrome: linear-gradient(165deg, #ffffff 0%, #e2e4e9 30%, #b8bbc1 60%, #e8eaef 100%);
    --rail-bead-highlight: radial-gradient(circle at 30% 20%, #ffffff 0%, transparent 35%);

    --rail-width: 88px;
    --rail-pad: 24px;

    --font-display: "Big Shoulders Display", "Inter", system-ui, sans-serif;
    --font-secondary: "Unbounded", "Inter", system-ui, sans-serif;
    --font-body: "Manrope", "Inter", system-ui, sans-serif;
    --font-code: "JetBrains Mono", "JetBrains", ui-monospace, monospace;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    background: var(--mercury-base);
    color: var(--gunmetal-ink);
    font-family: var(--font-body);
    font-size: 17px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

body {
    position: relative;
    min-height: 100vh;
}

/* Page wash background */
.page-wash {
    position: fixed;
    inset: 0;
    background: var(--page-wash);
    z-index: -3;
    pointer-events: none;
}

/* Brushed steel overlay */
.brushed-overlay {
    position: fixed;
    inset: 0;
    background-image:
        repeating-linear-gradient(90deg,
            transparent 0px,
            rgba(255, 255, 255, 0.04) 1px,
            transparent 2px,
            transparent 3px),
        repeating-linear-gradient(0deg,
            transparent 0px,
            rgba(26, 29, 35, 0.015) 1px,
            transparent 2px,
            transparent 4px);
    mix-blend-mode: overlay;
    z-index: -2;
    pointer-events: none;
}

/* Dopamine bloom cursor */
.dopamine-bloom {
    position: fixed;
    pointer-events: none;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle, var(--bay-bloom, var(--dopamine-magenta)) 0%, transparent 60%);
    opacity: 0.10;
    mix-blend-mode: overlay;
    z-index: 1;
    transition: background 600ms ease;
    will-change: transform, background;
    left: -200px;
    top: -200px;
}

/* =========================================================
   Chrome rail (left spine)
   ========================================================= */
.chrome-rail {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--rail-width);
    height: 100vh;
    background: linear-gradient(180deg,
        #e8eaef 0%,
        #c6c8ce 30%,
        #b8bbc1 50%,
        #c6c8ce 70%,
        #e8eaef 100%);
    border-right: 1px solid rgba(26, 29, 35, 0.12);
    box-shadow:
        inset -1px 0 0 rgba(255, 255, 255, 0.6),
        inset 1px 0 0 rgba(255, 255, 255, 0.4),
        2px 0 12px rgba(26, 29, 35, 0.06);
    z-index: 100;
    padding: 32px 0 24px;
}

.chrome-rail::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
        repeating-linear-gradient(180deg,
            transparent 0px,
            rgba(255, 255, 255, 0.10) 0.5px,
            transparent 1px,
            transparent 2px);
    pointer-events: none;
}

.rail-track {
    position: relative;
    width: 100%;
    height: calc(100% - 120px);
    margin-top: 16px;
}

.rail-bead {
    position: absolute;
    left: 50%;
    top: 0;
    width: 22px;
    height: 22px;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    background:
        radial-gradient(circle at 30% 20%, #ffffff 0%, #dadde2 30%, #9a9da4 70%, #6e7177 100%);
    box-shadow:
        0 0 0 1px rgba(26, 29, 35, 0.25),
        0 0 14px var(--bead-glow, rgba(255, 45, 135, 0.6)),
        inset 0 -2px 4px rgba(26, 29, 35, 0.3),
        inset 0 2px 3px rgba(255, 255, 255, 0.7);
    transition:
        border-radius 240ms cubic-bezier(0.34, 1.56, 0.64, 1),
        box-shadow 400ms ease,
        height 200ms ease,
        width 200ms ease;
    z-index: 3;
    will-change: top, border-radius, transform;
}

.rail-bead.elongated {
    border-radius: 40% 50% 40% 50% / 60% 50% 60% 50%;
}

.bead-highlight {
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: var(--rail-bead-highlight);
    pointer-events: none;
}

.rail-markers {
    list-style: none;
    position: relative;
    height: 100%;
    margin: 0;
    padding: 0;
}

.rail-node {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    z-index: 2;
}

.node-circle {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: linear-gradient(165deg, #ffffff 0%, #c6c8ce 50%, #9a9da4 100%);
    box-shadow:
        inset 0 1px 2px rgba(255, 255, 255, 0.7),
        inset 0 -2px 3px rgba(26, 29, 35, 0.25),
        0 0 0 1px rgba(26, 29, 35, 0.2),
        0 0 0 3px rgba(255, 255, 255, 0.4);
    transition: box-shadow 300ms ease;
}

.rail-node.active .node-circle {
    box-shadow:
        inset 0 1px 2px rgba(255, 255, 255, 0.8),
        inset 0 -2px 3px rgba(26, 29, 35, 0.25),
        0 0 0 1px rgba(26, 29, 35, 0.3),
        0 0 0 3px var(--bay-color),
        0 0 16px var(--bay-color);
}

.node-label {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 0.625rem;
    letter-spacing: 0.02em;
    color: var(--deep-chrome);
    line-height: 1;
}

.rail-node.active .node-label {
    color: var(--gunmetal-ink);
}

.rail-brand {
    position: absolute;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%) rotate(-90deg);
    transform-origin: center;
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: lowercase;
    color: var(--gunmetal-ink);
    white-space: nowrap;
}

.brand-dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--dopamine-magenta);
    box-shadow: 0 0 6px var(--dopamine-magenta);
}

/* =========================================================
   Bays
   ========================================================= */
.bays {
    position: relative;
    margin-left: var(--rail-width);
    z-index: 1;
}

.bay {
    position: relative;
    min-height: 100vh;
    width: calc(100vw - var(--rail-width));
    padding: 48px 6vw 48px 4vw;
    display: grid;
    grid-template-columns: 38% 62%;
    align-items: stretch;
    overflow: hidden;
    border-bottom: 1px dashed rgba(26, 29, 35, 0.08);
}

.bay-label-rail {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    overflow: visible;
}

.bay-number-back,
.bay-number-front {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: clamp(8rem, 18vw, 16rem);
    letter-spacing: -0.04em;
    line-height: 0.85;
    font-stretch: condensed;
    text-transform: lowercase;
    display: inline-block;
    white-space: nowrap;
}

.bay-number-back {
    position: absolute;
    left: -4vw;
    top: 50%;
    transform: translateY(-50%);
    color: transparent;
    -webkit-text-stroke: 1px var(--chrome-dark);
    text-shadow: 1px 1px 0 var(--bright-white);
    z-index: 1;
    user-select: none;
}

.bay-number-front {
    position: relative;
    z-index: 2;
    left: -2vw;
    background: linear-gradient(180deg,
        #1a1d23 0%,
        #4a4d53 40%,
        #1a1d23 80%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.5);
    transform: translateX(-2vw);
    transition: transform 600ms cubic-bezier(0.22, 1, 0.36, 1);
}

.bay.in-view .bay-number-front {
    transform: translateX(0);
}

.bay-number-front .slash {
    color: var(--accent);
    -webkit-text-fill-color: var(--accent);
    background: none;
    padding: 0 0.1em;
    font-weight: 700;
}

/* =========================================================
   Bay content
   ========================================================= */
.bay-content {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 28px;
    padding: 48px 0;
    max-width: 880px;
    opacity: 0;
    transform: translateX(20px);
    transition:
        opacity 700ms cubic-bezier(0.22, 1, 0.36, 1),
        transform 700ms cubic-bezier(0.22, 1, 0.36, 1);
}

.bay.in-view .bay-content {
    opacity: 1;
    transform: translateX(0);
}

.bay-content.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 36px;
    align-items: center;
}

.bay-content.terminal {
    justify-content: flex-end;
    align-items: flex-end;
    text-align: right;
}

.split-left, .split-right {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.kicker {
    font-family: var(--font-code);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: lowercase;
    color: var(--deep-chrome);
    padding-bottom: 6px;
    border-bottom: 1px solid rgba(26, 29, 35, 0.12);
    width: fit-content;
    max-width: 280px;
}

.bay-content.terminal .kicker {
    margin-left: auto;
}

.hero-greeting {
    font-family: var(--font-secondary);
    font-weight: 600;
    font-size: clamp(2.5rem, 6vw, 5rem);
    line-height: 1.05;
    letter-spacing: -0.02em;
    color: var(--gunmetal-ink);
    font-feature-settings: 'ss01' 1, 'cv11' 1;
    text-transform: lowercase;
    max-width: 14ch;
}

.underline-accent {
    position: relative;
    display: inline-block;
}

.underline-accent::after {
    content: "";
    position: absolute;
    left: -2px;
    right: -2px;
    bottom: 0.04em;
    height: 0.16em;
    background: var(--dopamine-magenta);
    z-index: -1;
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform 700ms cubic-bezier(0.22, 1, 0.36, 1) 300ms;
}

.bay.in-view .underline-accent::after {
    transform: scaleX(1);
}

.bay-title {
    font-family: var(--font-secondary);
    font-weight: 600;
    font-size: clamp(2rem, 4.5vw, 3.6rem);
    line-height: 1.05;
    letter-spacing: -0.02em;
    color: var(--gunmetal-ink);
    text-transform: lowercase;
    max-width: 14ch;
}

.word-accent {
    color: var(--accent);
    font-weight: 700;
}

.bay-body {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 1.0625rem;
    line-height: 1.65;
    color: var(--gunmetal-ink);
    max-width: 46ch;
}

.bay-body.wide {
    max-width: 60ch;
}

.bay-footer {
    font-family: var(--font-code);
    font-size: 0.75rem;
    color: var(--deep-chrome);
    margin-top: auto;
    letter-spacing: 0.04em;
}

.bay-footer.right {
    margin-left: auto;
}

/* =========================================================
   Isometric stage and cube
   ========================================================= */
.iso-stage {
    position: relative;
    width: 100%;
    height: 320px;
    perspective: 1200px;
    perspective-origin: 50% 50%;
    margin: 16px 0;
}

.iso-stage.small {
    height: 240px;
}

.iso-stage.large {
    height: 380px;
}

.iso-grid {
    position: absolute;
    left: 50%;
    bottom: 20%;
    width: 70%;
    height: 50%;
    transform: translateX(-50%) rotateX(60deg) rotateZ(-45deg);
    transform-style: preserve-3d;
    background-image:
        linear-gradient(rgba(26, 29, 35, 0.18) 1px, transparent 1px),
        linear-gradient(90deg, rgba(26, 29, 35, 0.18) 1px, transparent 1px);
    background-size: 32px 32px;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
    pointer-events: none;
}

.iso-cube {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 160px;
    height: 160px;
    transform: translate(-50%, -50%) rotateX(-25deg) rotateY(35deg);
    transform-style: preserve-3d;
    transition: transform 480ms cubic-bezier(0.34, 1.56, 0.64, 1);
    will-change: transform;
    cursor: pointer;
}

.iso-cube.big {
    width: 220px;
    height: 220px;
}

.iso-cube.small-cube {
    width: 110px;
    height: 110px;
    left: 35%;
    top: 50%;
}

.iso-cube.small-cube.offset {
    left: 65%;
    top: 50%;
    transform: translate(-50%, -50%) translateZ(40px) rotateX(-25deg) rotateY(-35deg);
}

.cube-face {
    position: absolute;
    inset: 0;
    background: var(--chip-chrome);
    border: 1px solid rgba(26, 29, 35, 0.25);
    box-shadow:
        inset 0 0 0 1px rgba(255, 255, 255, 0.4),
        inset 0 -10px 16px rgba(26, 29, 35, 0.10);
    backface-visibility: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* edge glow per bay accent */
.bay .iso-cube .cube-face {
    outline: 1px solid var(--accent);
    outline-offset: -2px;
    box-shadow:
        inset 0 0 0 1px rgba(255, 255, 255, 0.4),
        inset 0 -10px 16px rgba(26, 29, 35, 0.10),
        0 0 12px color-mix(in srgb, var(--accent) 30%, transparent);
}

.iso-cube .face-front  { transform: translateZ(80px); }
.iso-cube .face-back   { transform: rotateY(180deg) translateZ(80px); }
.iso-cube .face-right  { transform: rotateY( 90deg) translateZ(80px); }
.iso-cube .face-left   { transform: rotateY(-90deg) translateZ(80px); }
.iso-cube .face-top    { transform: rotateX( 90deg) translateZ(80px); }
.iso-cube .face-bottom { transform: rotateX(-90deg) translateZ(80px); }

.iso-cube.big .face-front  { transform: translateZ(110px); }
.iso-cube.big .face-back   { transform: rotateY(180deg) translateZ(110px); }
.iso-cube.big .face-right  { transform: rotateY( 90deg) translateZ(110px); }
.iso-cube.big .face-left   { transform: rotateY(-90deg) translateZ(110px); }
.iso-cube.big .face-top    { transform: rotateX( 90deg) translateZ(110px); }
.iso-cube.big .face-bottom { transform: rotateX(-90deg) translateZ(110px); }

.iso-cube.small-cube .face-front  { transform: translateZ(55px); }
.iso-cube.small-cube .face-back   { transform: rotateY(180deg) translateZ(55px); }
.iso-cube.small-cube .face-right  { transform: rotateY( 90deg) translateZ(55px); }
.iso-cube.small-cube .face-left   { transform: rotateY(-90deg) translateZ(55px); }
.iso-cube.small-cube .face-top    { transform: rotateX( 90deg) translateZ(55px); }
.iso-cube.small-cube .face-bottom { transform: rotateX(-90deg) translateZ(55px); }

.iso-cube:hover {
    transform: translate(-50%, -50%) rotateX(-25deg) rotateY(125deg);
}

.iso-cube.big:hover {
    transform: translate(-50%, -50%) rotateX(-25deg) rotateY(125deg);
}

.iso-cube.small-cube:hover {
    transform: translate(-50%, -50%) rotateX(-25deg) rotateY(55deg);
}

.iso-cube.small-cube.offset:hover {
    transform: translate(-50%, -50%) translateZ(40px) rotateX(-25deg) rotateY(55deg);
}

/* =========================================================
   Cube face glyphs
   ========================================================= */

/* simai mark */
.simai-mark {
    width: 60%;
    height: 60%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.mark-dot {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 18px color-mix(in srgb, var(--accent) 60%, transparent);
}

.mark-bar {
    width: 6px;
    height: 60px;
    background: var(--gunmetal-ink);
    border-radius: 2px;
}

/* chat bubble */
.glyph {
    width: 70%;
    height: 70%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.glyph-chat .chat-bubble {
    width: 70%;
    height: 55%;
    border: 3px solid var(--gunmetal-ink);
    border-radius: 18px;
    background: transparent;
    position: relative;
}

.glyph-chat .chat-bubble::after {
    content: "";
    position: absolute;
    width: 14px;
    height: 14px;
    background: var(--accent);
    box-shadow: 0 0 12px var(--accent);
    border-radius: 50%;
    left: 22%;
    top: 38%;
}

.glyph-chat .chat-bubble::before {
    content: "";
    position: absolute;
    width: 14px;
    height: 14px;
    background: var(--gunmetal-ink);
    border-radius: 50%;
    right: 22%;
    top: 38%;
}

.glyph-chat .chat-tail {
    position: absolute;
    width: 16px;
    height: 16px;
    background: var(--gunmetal-ink);
    bottom: 18%;
    left: 22%;
    clip-path: polygon(0 0, 100% 0, 100% 100%);
}

.glyph-chat.alt .chat-bubble {
    width: 50%;
    height: 40%;
    border-color: var(--accent);
    box-shadow: 0 0 12px color-mix(in srgb, var(--accent) 50%, transparent);
}

/* wrench */
.glyph-wrench {
    transform: rotate(-30deg);
}

.glyph-wrench .wrench-stem {
    position: absolute;
    width: 60%;
    height: 10px;
    background: var(--gunmetal-ink);
    border-radius: 4px;
    left: 18%;
    top: 50%;
    transform: translateY(-50%);
}

.glyph-wrench .wrench-head {
    position: absolute;
    width: 28px;
    height: 28px;
    border: 4px solid var(--gunmetal-ink);
    border-radius: 6px;
    left: 8%;
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
    background: transparent;
}

.glyph-wrench .wrench-head::after {
    content: "";
    position: absolute;
    inset: 4px;
    background: var(--polished-chrome);
}

/* fn() */
.glyph-fn {
    font-family: var(--font-code);
    font-weight: 600;
    font-size: 1.4rem;
    color: var(--gunmetal-ink);
    letter-spacing: -0.02em;
}

/* brain coils */
.glyph-brain {
    width: 75%;
    height: 60%;
    position: relative;
}

.glyph-brain .coil {
    position: absolute;
    border: 3px solid var(--gunmetal-ink);
    border-radius: 50%;
    background: transparent;
}

.glyph-brain .c1 {
    width: 36%;
    height: 70%;
    left: 8%;
    top: 15%;
    border-right-color: transparent;
    transform: rotate(-15deg);
}

.glyph-brain .c2 {
    width: 36%;
    height: 70%;
    right: 8%;
    top: 15%;
    border-left-color: transparent;
    transform: rotate(15deg);
}

.glyph-brain .c3 {
    width: 18%;
    height: 30%;
    left: 41%;
    top: 35%;
    border-color: var(--accent);
    box-shadow: 0 0 14px color-mix(in srgb, var(--accent) 60%, transparent);
}

.glyph-brain.side .c1 {
    border-color: var(--accent);
    opacity: 0.7;
}

.glyph-brain.side .c2 {
    border-color: var(--gunmetal-ink);
    opacity: 0.7;
}

/* =========================================================
   Chamfered card
   ========================================================= */
.chamfered-card {
    position: relative;
    background: var(--chip-chrome);
    clip-path: polygon(
        14px 0,
        calc(100% - 14px) 0,
        100% 14px,
        100% calc(100% - 14px),
        calc(100% - 14px) 100%,
        14px 100%,
        0 calc(100% - 14px),
        0 14px
    );
    padding: 22px 24px;
    color: var(--gunmetal-ink);
    box-shadow:
        0 4px 18px rgba(26, 29, 35, 0.08),
        0 0 0 1px rgba(26, 29, 35, 0.05);
    overflow: hidden;
}

.chamfered-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(90deg,
        transparent 0px,
        rgba(255, 255, 255, 0.05) 1px,
        transparent 2px,
        transparent 3px);
    pointer-events: none;
}

/* =========================================================
   Bay 2: SDK card deck
   ========================================================= */
.card-deck {
    position: relative;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin-top: 12px;
}

.card-deck .chamfered-card {
    transform: translateY(0);
    transition: transform 360ms cubic-bezier(0.22, 1, 0.36, 1);
    min-height: 180px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.card-ts { transform: translateY(0); }
.card-py { transform: translateY(12px); }
.card-rs { transform: translateY(24px); }

.card-deck .chamfered-card:hover {
    transform: translateY(-6px);
}

.card-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 14px;
    border-bottom: 1px solid rgba(26, 29, 35, 0.12);
    margin-bottom: 14px;
}

.card-lang {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.4rem;
    text-transform: lowercase;
    letter-spacing: -0.02em;
    color: var(--gunmetal-ink);
}

.card-version {
    font-family: var(--font-code);
    font-size: 0.75rem;
    color: var(--deep-chrome);
    letter-spacing: 0.04em;
}

.install-line {
    display: block;
    font-family: var(--font-code);
    font-size: 0.875rem;
    color: var(--gunmetal-ink);
    background: rgba(26, 29, 35, 0.04);
    padding: 10px 14px;
    border-left: 2px solid var(--deep-chrome);
    margin-bottom: 12px;
    overflow-x: auto;
    white-space: nowrap;
}

.prompt-glyph {
    color: var(--dopamine-magenta);
    font-weight: 600;
    margin-right: 6px;
}

.card-py .prompt-glyph { color: var(--dopamine-lime); }
.card-rs .prompt-glyph { color: var(--dopamine-tangerine); }

.card-blurb {
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--deep-chrome);
}

/* =========================================================
   Code recipe card
   ========================================================= */
.recipe-card {
    padding: 0;
    overflow: hidden;
    width: 100%;
}

.recipe-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(180deg, #e8eaef 0%, #c6c8ce 100%);
    padding: 12px 18px;
    border-bottom: 1px solid rgba(26, 29, 35, 0.15);
    font-family: var(--font-code);
    font-size: 0.75rem;
    letter-spacing: 0.04em;
}

.recipe-tag {
    color: var(--deep-chrome);
    text-transform: uppercase;
}

.recipe-name {
    color: var(--gunmetal-ink);
    font-weight: 500;
}

.code-block {
    font-family: var(--font-code);
    font-size: 0.875rem;
    line-height: 1.55;
    padding: 18px 22px;
    color: var(--gunmetal-ink);
    background: rgba(255, 255, 255, 0.4);
    overflow-x: auto;
    font-feature-settings: 'liga' 1, 'calt' 1;
}

.code-line {
    display: block;
    padding: 2px 0;
    opacity: 0;
    transform: translateX(-8px);
    transition:
        opacity 400ms ease,
        transform 400ms cubic-bezier(0.22, 1, 0.36, 1);
}

.bay.in-view .code-line {
    opacity: 1;
    transform: translateX(0);
}

.bay.in-view .code-line:nth-child(1) { transition-delay: 200ms; }
.bay.in-view .code-line:nth-child(2) { transition-delay: 280ms; }
.bay.in-view .code-line:nth-child(3) { transition-delay: 360ms; }
.bay.in-view .code-line:nth-child(4) { transition-delay: 440ms; }
.bay.in-view .code-line:nth-child(5) { transition-delay: 520ms; }
.bay.in-view .code-line:nth-child(6) { transition-delay: 600ms; }
.bay.in-view .code-line:nth-child(7) { transition-delay: 680ms; }
.bay.in-view .code-line:nth-child(8) { transition-delay: 760ms; }

.ln {
    display: inline-block;
    width: 26px;
    color: var(--deep-chrome);
    user-select: none;
    text-align: right;
    margin-right: 14px;
    font-size: 0.7rem;
}

.kw { color: var(--gunmetal-ink); font-weight: 600; }
.fn { color: var(--gunmetal-ink); }
.str {
    color: var(--gunmetal-ink);
    background: color-mix(in srgb, var(--accent) 25%, transparent);
    padding: 0 4px;
    border-radius: 2px;
}

.bay-3 .str { background: color-mix(in srgb, var(--dopamine-lime) 35%, transparent); }
.bay-4 .str { background: rgba(26, 29, 35, 0.05); }

/* =========================================================
   Bay 4 orbit stage
   ========================================================= */
.orbit-stage {
    position: relative;
    width: 100%;
    height: 260px;
    perspective: 1200px;
}

/* =========================================================
   Bay 6 eval card
   ========================================================= */
.eval-card {
    width: 100%;
    max-width: 720px;
    padding: 0;
    overflow: hidden;
    margin-top: 12px;
}

.eval-head {
    background: linear-gradient(180deg, #e8eaef 0%, #c6c8ce 100%);
    padding: 14px 20px;
    border-bottom: 1px solid rgba(26, 29, 35, 0.15);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-code);
    font-size: 0.8rem;
}

.eval-title {
    color: var(--gunmetal-ink);
    font-weight: 500;
}

.eval-meta {
    color: var(--deep-chrome);
}

.eval-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.eval-row {
    display: grid;
    grid-template-columns: 24px 1fr 80px 70px;
    align-items: center;
    gap: 14px;
    padding: 12px 20px;
    border-bottom: 1px dashed rgba(26, 29, 35, 0.10);
    font-family: var(--font-body);
    font-size: 0.95rem;
}

.eval-row:last-child {
    border-bottom: none;
}

.row-glyph {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--deep-chrome);
}

.eval-row.pass .row-glyph {
    background: var(--dopamine-lime);
    box-shadow: 0 0 10px color-mix(in srgb, var(--dopamine-lime) 50%, transparent);
}

.eval-row.fail .row-glyph {
    background: var(--dopamine-magenta);
    box-shadow: 0 0 10px color-mix(in srgb, var(--dopamine-magenta) 50%, transparent);
}

.row-name {
    color: var(--gunmetal-ink);
}

.row-time {
    font-family: var(--font-code);
    font-size: 0.8rem;
    color: var(--deep-chrome);
    text-align: right;
}

.row-status {
    font-family: var(--font-code);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    text-align: right;
    color: var(--deep-chrome);
}

.eval-row.pass .row-status { color: var(--gunmetal-ink); }
.eval-row.fail .row-status { color: var(--dopamine-magenta); font-weight: 600; }

/* =========================================================
   Bay 7 playground link
   ========================================================= */
.playground-link {
    display: inline-flex;
    align-items: baseline;
    gap: 18px;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: clamp(3rem, 8vw, 7rem);
    letter-spacing: -0.04em;
    line-height: 0.95;
    text-transform: lowercase;
    color: var(--dopamine-cyan);
    text-decoration: none;
    font-stretch: condensed;
    transition: transform 360ms cubic-bezier(0.34, 1.56, 0.64, 1);
    text-shadow:
        0 0 24px color-mix(in srgb, var(--dopamine-cyan) 60%, transparent),
        1px 1px 0 rgba(255, 255, 255, 0.4);
}

.link-prompt {
    color: var(--dopamine-cyan);
    font-family: var(--font-code);
    font-weight: 500;
    font-size: 0.5em;
    transform: translateY(-0.08em);
    text-shadow: 0 0 12px var(--dopamine-cyan);
}

.playground-link:hover {
    transform: translateX(-10px);
}

.playground-link:hover .link-prompt {
    animation: blink 600ms steps(2, end) infinite;
}

@keyframes blink {
    50% { opacity: 0.4; }
}

/* =========================================================
   Droplet layer
   ========================================================= */
.droplet-layer {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--rail-width);
    height: 100vh;
    pointer-events: none;
    z-index: 99;
}

.droplet {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 20%, #ffffff 0%, #9a9da4 70%, #6e7177 100%);
    box-shadow:
        0 0 0 1px rgba(26, 29, 35, 0.2),
        0 0 8px var(--droplet-color, rgba(255, 45, 135, 0.6));
    animation: droplet-fall 900ms cubic-bezier(0.55, 0.085, 0.68, 0.53) forwards;
}

@keyframes droplet-fall {
    0% {
        transform: translate(-50%, 0) scale(1);
        opacity: 1;
        border-radius: 50%;
    }
    60% {
        transform: translate(-50%, 18px) scale(0.9, 1.2);
        opacity: 1;
        border-radius: 40% 50% 40% 50%;
    }
    100% {
        transform: translate(-50%, 28px) scale(0.6);
        opacity: 0;
    }
}

/* =========================================================
   Reduced motion
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
    .dopamine-bloom { display: none; }
    .iso-cube, .iso-cube:hover { transform: translate(-50%, -50%) rotateX(-25deg) rotateY(35deg); }
    .iso-cube.small-cube.offset, .iso-cube.small-cube.offset:hover {
        transform: translate(-50%, -50%) translateZ(40px) rotateX(-25deg) rotateY(-35deg);
    }
    .rail-bead { transition: top 200ms linear; }
    .rail-bead.elongated { border-radius: 50%; }
    .droplet { display: none; }
    .bay-number-front, .bay-content, .underline-accent::after, .code-line {
        transition: none;
    }
    .bay-content { opacity: 1; transform: none; }
    .bay-number-front { transform: none; }
    .underline-accent::after { transform: scaleX(1); }
    .code-line { opacity: 1; transform: none; }
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 900px) {
    :root {
        --rail-width: 48px;
    }
    .bay {
        grid-template-columns: 1fr;
        padding: 32px 5vw 32px 5vw;
        min-height: 110vh;
    }
    .bay-number-back, .bay-number-front {
        font-size: clamp(5rem, 16vw, 9rem);
    }
    .bay-content.split {
        grid-template-columns: 1fr;
    }
    .card-deck {
        grid-template-columns: 1fr;
    }
    .card-py, .card-rs { transform: translateY(0); }
    .rail-brand { font-size: 0.55rem; }
    .iso-stage { height: 240px; }
    .iso-cube { width: 120px; height: 120px; }
    .iso-cube .face-front  { transform: translateZ(60px); }
    .iso-cube .face-back   { transform: rotateY(180deg) translateZ(60px); }
    .iso-cube .face-right  { transform: rotateY( 90deg) translateZ(60px); }
    .iso-cube .face-left   { transform: rotateY(-90deg) translateZ(60px); }
    .iso-cube .face-top    { transform: rotateX( 90deg) translateZ(60px); }
    .iso-cube .face-bottom { transform: rotateX(-90deg) translateZ(60px); }
}