/* output.md — landing page: 3D scroll journey
   Scenes are plain DOM in CSS 3D space; GSAP ScrollTrigger drives the camera. */

:root {
    color-scheme: light;

    --paper: #f3efe6;
    --paper-2: #fbf9f4;
    --paper-3: #e9e3d6;
    --ink: #17140f;
    --ink-2: #0a0907;
    --ink-soft: #494237;
    --ink-mute: #8a8172;
    --line: rgba(23, 20, 15, .13);
    --line-soft: rgba(23, 20, 15, .07);

    --accent: #b8542c;
    --accent-deep: #8c3d1c;
    --accent-soft: #f0dfd2;

    --d-bg: #0a0907;
    --d-surface: #141210;
    --d-text: #f3eee4;
    --d-mute: rgba(243, 238, 228, .56);
    --d-line: rgba(243, 238, 228, .14);

    --display: 'Archivo', 'Inter', system-ui, sans-serif;
    --body: 'Inter', system-ui, -apple-system, sans-serif;
    --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

    --gutter: clamp(20px, 4vw, 64px);
    --maxw: 1320px;
}

*, *::before, *::after { box-sizing: border-box; }

/* overflow-x: hidden on html/body would turn body into a scroll container and break every sticky .stage — clip does not */
html { -webkit-text-size-adjust: 100%; overflow-x: clip; }

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--body);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: clip;
}

a { color: inherit; text-decoration: none; }
img, canvas { display: block; max-width: 100%; }
::selection { background: var(--accent-soft); color: var(--ink); }

.mono { font-family: var(--mono); }

/* Lenis */
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-stopped { overflow: hidden; }

/* ---------------------------------------------------------------- type */

.display {
    font-family: var(--display);
    font-weight: 600;
    font-variation-settings: 'wdth' 112;
    letter-spacing: -0.03em;
    line-height: 0.96;
    text-wrap: balance;
    margin: 0;
}
.display--xl { font-size: clamp(2.6rem, 7.2vw, 6.6rem); }
.display--l  { font-size: clamp(2.1rem, 4.6vw, 4rem); }
.display--m  { font-size: clamp(1.6rem, 2.7vw, 2.4rem); letter-spacing: -0.02em; }

.eyebrow {
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: .22em;
    text-transform: uppercase;
    color: var(--ink-mute);
    margin: 0 0 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.eyebrow::before {
    content: "";
    width: 26px;
    height: 1px;
    background: currentColor;
    opacity: .5;
    flex: 0 0 auto;
}

.lead {
    font-size: clamp(1rem, 1.25vw, 1.2rem);
    line-height: 1.6;
    color: var(--ink-soft);
    max-width: 58ch;
    margin: 0;
    text-wrap: pretty;
}

.muted { color: var(--ink-mute); }

/* ------------------------------------------------------------- layout */

.shell { width: 100%; max-width: var(--maxw); margin: 0 auto; padding-inline: var(--gutter); }

.scene { position: relative; }
.scene--pad { padding-block: clamp(90px, 12vw, 170px); }
.scene--paper { background: var(--paper); }
.scene--paper2 { background: var(--paper-2); }
.scene--dark { background: var(--d-bg); color: var(--d-text); }
.scene--dark .lead, .scene--dark .muted { color: var(--d-mute); }
.scene--dark .eyebrow { color: var(--d-mute); }

.stage { position: sticky; top: 0; height: 100svh; overflow: hidden; }

/* -------------------------------------------------------------- buttons */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    padding: 13px 22px;
    border-radius: 999px;
    border: 1px solid var(--ink);
    background: var(--ink);
    color: var(--paper-2);
    font-family: var(--body);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: .01em;
    cursor: pointer;
    transition: transform .25s cubic-bezier(.2,.7,.3,1), background .25s, color .25s, border-color .25s;
    white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); background: var(--accent); border-color: var(--accent); }
.btn--lg { padding: 16px 28px; font-size: 15px; }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn--ghost:hover { background: transparent; color: var(--accent); border-color: var(--accent); }
.btn--light { background: var(--d-text); color: var(--ink); border-color: var(--d-text); }
.btn--light:hover { background: var(--accent); border-color: var(--accent); color: var(--d-text); }
.btn--onDark { background: transparent; color: var(--d-text); border-color: var(--d-line); }
.btn--onDark:hover { background: var(--d-text); color: var(--ink); border-color: var(--d-text); }
.btn--sm { padding: 10px 16px; font-size: 13px; }
.btn svg { width: 15px; height: 15px; }

.arrowLink {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--accent);
}
.arrowLink svg { width: 14px; height: 14px; transition: transform .25s; }
.arrowLink:hover svg { transform: translate(3px, -3px); }

/* ------------------------------------------------------------------ nav */

.nav {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 90;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 18px var(--gutter);
    color: var(--ink);
    transition: color .45s ease, background .45s ease, transform .4s ease, border-color .45s;
    border-bottom: 1px solid transparent;
    mix-blend-mode: normal;
}
.nav.is-dark { color: var(--d-text); }
.nav.is-solid {
    background: color-mix(in srgb, var(--paper) 82%, transparent);
    backdrop-filter: blur(14px);
    border-bottom-color: var(--line-soft);
}
.nav.is-solid.is-dark {
    background: color-mix(in srgb, var(--d-bg) 76%, transparent);
    border-bottom-color: var(--d-line);
}
.nav.is-hidden { transform: translateY(-104%); }

.nav__brand { display: inline-flex; align-items: center; gap: 9px; font-family: var(--display); font-weight: 600; font-size: 17px; letter-spacing: -.02em; }
.nav__brand svg { width: 22px; height: 22px; }
.nav__brand em { font-style: normal; color: var(--accent); }

.nav__links { display: flex; align-items: center; gap: 28px; }
.nav__links a {
    font-size: 13px;
    letter-spacing: .01em;
    opacity: .68;
    position: relative;
    transition: opacity .2s;
}
.nav__links a::after {
    content: "";
    position: absolute;
    left: 0; right: 0; bottom: -5px;
    height: 1px;
    background: currentColor;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .3s cubic-bezier(.2,.7,.3,1);
}
.nav__links a:hover { opacity: 1; }
.nav__links a:hover::after { transform: scaleX(1); }

.nav__actions { display: flex; align-items: center; gap: 10px; }
.nav .btn--nav { padding: 9px 17px; font-size: 13px; }
.nav.is-dark .btn--ghost { color: var(--d-text); border-color: var(--d-line); }
.nav.is-dark .btn:not(.btn--ghost) { background: var(--d-text); color: var(--ink); border-color: var(--d-text); }
.nav.is-dark .btn:not(.btn--ghost):hover { background: var(--accent); border-color: var(--accent); color: var(--d-text); }

/* ------------------------------------------------------- progress rail */

.rail {
    position: fixed;
    top: 0; left: 0;
    height: 2px;
    width: 100%;
    z-index: 95;
    background: transparent;
    pointer-events: none;
}
.rail__bar {
    height: 100%;
    width: 100%;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
}

/* -------------------------------------------------------- sticky dock */

.dock {
    position: fixed;
    left: 50%;
    bottom: 22px;
    z-index: 88;
    transform: translate(-50%, 140%);
    opacity: 0;
    pointer-events: none;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 7px 7px 18px;
    gap: 16px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--ink) 94%, transparent);
    border: 1px solid rgba(255,255,255,.1);
    box-shadow: 0 18px 50px -18px rgba(10,9,7,.7);
    backdrop-filter: blur(12px);
    transition: transform .55s cubic-bezier(.2,.8,.25,1), opacity .4s ease;
    max-width: calc(100vw - 32px);
}
.dock.is-on { transform: translate(-50%, 0); opacity: 1; pointer-events: auto; }
.dock__label { font-family: var(--mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: rgba(243,238,228,.6); white-space: nowrap; }
.dock .btn { padding: 10px 18px; background: var(--d-text); color: var(--ink); border-color: var(--d-text); }
.dock .btn:hover { background: var(--accent); border-color: var(--accent); color: var(--d-text); }
@media (max-width: 640px) {
    .dock__label { display: none; }
    .dock { padding-left: 14px; }
}

/* ============================================================ 1. HERO */

.hero { height: 270svh; }
.hero .stage { display: grid; place-items: center; }

.hero__space {
    position: absolute;
    inset: 0;
    perspective: 1000px;
    perspective-origin: 50% 46%;
    transform-style: preserve-3d;
    pointer-events: none;
}
.hero__world { position: absolute; inset: 0; transform-style: preserve-3d; }

/* the noise layers of a typical web page */
.chrome {
    position: absolute;
    left: 50%;
    top: 50%;
    transform-style: preserve-3d;
    border-radius: 14px;
    border: 1px solid rgba(23,20,15,.14);
    background: rgba(255,255,255,.62);
    backdrop-filter: blur(2px);
    box-shadow: 0 24px 70px -40px rgba(23,20,15,.5);
    padding: 14px 16px;
    font-size: 12px;
    color: var(--ink-mute);
    will-change: transform, opacity;
}
.chrome__tag {
    font-family: var(--mono);
    font-size: 9.5px;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--accent);
    display: block;
    margin-bottom: 8px;
}
.chrome__bars { display: grid; gap: 6px; }
.chrome__bars i { display: block; height: 7px; border-radius: 99px; background: rgba(23,20,15,.1); }
.chrome__bars i:nth-child(2) { width: 84%; }
.chrome__bars i:nth-child(3) { width: 61%; }
.chrome__row { display: flex; gap: 8px; flex-wrap: wrap; }
.chrome__row span { padding: 4px 9px; border-radius: 99px; background: rgba(23,20,15,.06); font-size: 10.5px; }
.chrome--ad { width: 260px; height: 190px; display: grid; place-items: center; text-align: center; }
.chrome--ad b { font-family: var(--mono); font-size: 11px; letter-spacing: .26em; color: rgba(23,20,15,.3); }
.chrome--cookie { width: 320px; }
.chrome--nav { width: 380px; }
.chrome--popup { width: 280px; }
.chrome--social { width: 78px; padding: 12px 10px; }
.chrome--social i { display: block; height: 22px; width: 22px; border-radius: 7px; background: rgba(23,20,15,.09); margin: 0 auto 8px; }
.chrome--related { width: 240px; }

/* the clean result */
.paperDoc {
    position: absolute;
    left: 50%;
    top: 50%;
    width: min(560px, 84vw);
    transform: translate(-50%, -50%);
    background: var(--paper-2);
    border: 1px solid var(--line);
    border-radius: 16px;
    box-shadow: 0 50px 100px -50px rgba(23,20,15,.55), 0 2px 0 rgba(255,255,255,.7) inset;
    overflow: hidden;
    text-align: left;
    will-change: transform, opacity;
}
.paperDoc__bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 11px 15px;
    border-bottom: 1px solid var(--line-soft);
    background: rgba(23,20,15,.025);
    font-family: var(--mono);
    font-size: 10.5px;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--ink-mute);
}
.paperDoc__bar em { font-style: normal; color: var(--accent); }
.paperDoc__body {
    padding: 20px 22px 24px;
    font-family: var(--mono);
    font-size: 12.5px;
    line-height: 1.85;
    color: var(--ink-soft);
    white-space: pre-wrap;
    word-break: break-word;
}
.paperDoc__body b { color: var(--accent); font-weight: 500; }
.paperDoc__body u { text-decoration: none; color: var(--ink); }

.hero__copy {
    position: relative;
    z-index: 3;
    text-align: center;
    display: grid;
    justify-items: center;
    gap: 22px;
    padding-inline: var(--gutter);
    max-width: 1100px;
    will-change: transform, opacity;
}
.hero__copy .lead { text-align: center; margin-inline: auto; }
.hero__copy .display__line { display: block; overflow: hidden; }
.hero__copy .display__line > span { display: block; will-change: transform; }

.hero__cta { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.hero__note { font-size: 12.5px; color: var(--ink-mute); margin: 0; }
.hero__err { font-family: var(--mono); font-size: 12px; color: #a32b1d; margin: 0; }

.hero__cue {
    position: absolute;
    left: 50%;
    bottom: 26px;
    transform: translateX(-50%);
    z-index: 4;
    display: grid;
    justify-items: center;
    gap: 9px;
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: .26em;
    text-transform: uppercase;
    color: var(--ink-mute);
}
.hero__cue i { display: block; width: 1px; height: 42px; background: linear-gradient(var(--ink-mute), transparent); }
.hero__cue i::after {
    content: "";
    display: block;
    width: 1px; height: 14px;
    background: var(--accent);
    animation: cueDrop 1.9s cubic-bezier(.6,0,.3,1) infinite;
}
@keyframes cueDrop { 0% { transform: translateY(-14px); opacity: 0 } 35% { opacity: 1 } 100% { transform: translateY(42px); opacity: 0 } }

.hero__caption {
    position: absolute;
    left: 50%;
    bottom: 11%;
    transform: translateX(-50%);
    z-index: 4;
    text-align: center;
    display: grid;
    gap: 8px;
    width: min(620px, 88vw);
}
.has-js .hero__caption { opacity: 0; }
.hero__caption .display--m { font-size: clamp(1.3rem, 2.2vw, 2rem); }

/* ======================================================== 2. STATEMENT */

.claim { text-align: left; }
.claim__text {
    font-family: var(--display);
    font-weight: 500;
    font-variation-settings: 'wdth' 106;
    font-size: clamp(1.5rem, 3.4vw, 3rem);
    line-height: 1.2;
    letter-spacing: -.025em;
    margin: 0;
    max-width: 22ch;
}
.claim__text .w { display: inline-block; will-change: opacity, transform; }
.claim__text .hi { color: var(--accent); }
.claim__meta {
    margin-top: clamp(40px, 6vw, 80px);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 28px;
    border-top: 1px solid var(--line);
    padding-top: 28px;
}
.claim__meta dt { font-family: var(--mono); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--ink-mute); margin-bottom: 8px; }
.claim__meta dd { margin: 0; font-family: var(--display); font-size: clamp(1.4rem, 2.2vw, 2rem); font-weight: 600; font-variation-settings: 'wdth' 108; letter-spacing: -.02em; }

/* ========================================================== 3. SOURCES */

.sources { height: 420svh; }
.sources .stage { display: grid; grid-template-columns: minmax(280px, 40%) 1fr; align-items: center; gap: var(--gutter); padding: 96px var(--gutter) 60px; }

.sources__copy { position: relative; z-index: 2; max-width: 460px; }
.sources__list { list-style: none; margin: 26px 0 0; padding: 0; display: grid; gap: 2px; }
.sources__list li {
    display: flex;
    align-items: baseline;
    gap: 14px;
    padding: 9px 0;
    border-bottom: 1px solid var(--line-soft);
    color: var(--ink-mute);
    transition: color .35s ease, padding-left .35s cubic-bezier(.2,.7,.3,1);
    font-family: var(--display);
    font-weight: 500;
    font-variation-settings: 'wdth' 106;
    font-size: clamp(1rem, 1.5vw, 1.35rem);
    letter-spacing: -.01em;
}
.sources__list li .idx { font-family: var(--mono); font-size: 10.5px; letter-spacing: .1em; opacity: .55; }
.sources__list li.is-on { color: var(--ink); padding-left: 10px; }
.sources__list li.is-on .idx { color: var(--accent); opacity: 1; }

.sources__detail { margin-top: 26px; min-height: 96px; position: relative; }
.sources__detail p {
    margin: 0;
    position: absolute;
    inset: 0;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity .35s ease, transform .45s cubic-bezier(.2,.7,.3,1);
    color: var(--ink-soft);
    font-size: 15px;
    line-height: 1.65;
    max-width: 42ch;
}
.sources__detail p.is-on { opacity: 1; transform: none; }

.ring {
    position: relative;
    height: 100%;
    perspective: 1400px;
    perspective-origin: 50% 48%;
}
.ring__inner {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 0; height: 0;
    transform-style: preserve-3d;
    will-change: transform;
}
.srcCard {
    position: absolute;
    width: 250px;
    height: 320px;
    margin: -160px 0 0 -125px;
    border-radius: 18px;
    background: var(--paper-2);
    border: 1px solid var(--line);
    box-shadow: 0 40px 80px -46px rgba(23,20,15,.6);
    padding: 22px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transform-style: preserve-3d;
    will-change: transform, opacity;
    backface-visibility: hidden;
}
.srcCard__icon { width: 34px; height: 34px; color: var(--accent); }
.srcCard__icon svg { width: 100%; height: 100%; }
.srcCard h3 { font-family: var(--display); font-size: 1.3rem; font-weight: 600; font-variation-settings: 'wdth' 110; letter-spacing: -.02em; margin: 0 0 6px; }
.srcCard p { margin: 0; font-size: 12.5px; line-height: 1.55; color: var(--ink-mute); }
.srcCard__meta { font-family: var(--mono); font-size: 10px; letter-spacing: .16em; text-transform: uppercase; color: var(--ink-mute); }
.srcCard.is-front { border-color: color-mix(in srgb, var(--accent) 45%, transparent); }

/* ========================================================= 4. PIPELINE */

.pipe { height: 460svh; background: var(--d-bg); color: var(--d-text); }
.pipe .stage { display: grid; grid-template-columns: minmax(0, 1fr); grid-template-rows: auto 1fr auto; padding: 96px 0 88px; }

.pipe__head { padding-inline: var(--gutter); max-width: var(--maxw); margin: 0 auto; width: 100%; }
.pipe__head .eyebrow { color: var(--d-mute); }

.pipe__track {
    position: relative;
    display: flex;
    align-items: center;
    height: 100%;
    will-change: transform;
    padding-inline: max(var(--gutter), calc((100vw - var(--maxw)) / 2 + var(--gutter)));
    gap: clamp(40px, 6vw, 110px);
}
.pipeStep {
    flex: 0 0 auto;
    width: min(660px, 84vw);
    display: grid;
    grid-template-columns: 1fr;
    gap: 26px;
    align-content: center;
}
.pipeStep__num { font-family: var(--mono); font-size: 11px; letter-spacing: .24em; color: var(--accent); }
.pipeStep h3 { font-family: var(--display); font-size: clamp(1.7rem, 3.2vw, 2.7rem); font-weight: 600; font-variation-settings: 'wdth' 110; letter-spacing: -.025em; line-height: 1.02; margin: 10px 0 0; }
.pipeStep p { margin: 0; color: var(--d-mute); max-width: 46ch; line-height: 1.65; font-size: 15px; }
.pipeStep__tags { display: flex; flex-wrap: wrap; gap: 7px; }
.pipeStep__tags span { font-family: var(--mono); font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; padding: 6px 11px; border: 1px solid var(--d-line); border-radius: 99px; color: var(--d-mute); }

.pipeStep__visual { position: relative; min-height: clamp(190px, 24svh, 250px); display: grid; align-items: end; }

/* "specimen" — a flat, readable sample of what happens in this step */
.spec {
    position: relative;
    border-radius: 14px;
    border: 1px solid var(--d-line);
    background: rgba(243,238,228,.035);
    overflow: hidden;
    display: grid;
    grid-template-rows: auto 1fr;
    will-change: transform;
}
.spec::before { content: ''; position: absolute; inset: 0 auto 0 0; width: 2px; background: var(--accent); opacity: .9; }
.spec__bar { display: flex; justify-content: space-between; gap: 12px; padding: 10px 16px 10px 18px; border-bottom: 1px solid var(--d-line); font-family: var(--mono); font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--d-mute); }
.spec__bar b { color: var(--accent); font-weight: 500; }
.spec__body { padding: 14px 18px 16px; font-family: var(--mono); font-size: 12px; line-height: 1.95; color: var(--d-mute); overflow: hidden; }
.spec__row { display: flex; justify-content: space-between; gap: 18px; white-space: nowrap; }
.spec__row > span:first-child { overflow: hidden; text-overflow: ellipsis; }
.spec__row u { text-decoration: none; color: var(--d-text); }
.spec__row em { font-style: normal; color: var(--accent); }
.spec__row s { color: rgba(243,238,228,.4); text-decoration-color: rgba(184,84,44,.75); }
.spec__row--sum { margin-top: 8px; padding-top: 8px; border-top: 1px solid var(--d-line); color: var(--d-text); }
.spec__row--sum em { letter-spacing: .06em; }

.spec__page { font-family: var(--body); font-size: 12px; line-height: 1.5; }
.spec__dim { color: rgba(243,238,228,.28); display: flex; gap: 14px; flex-wrap: wrap; }
.spec__dim + .spec__dim { margin-top: 4px; }
.spec__main { position: relative; margin: 12px 0; padding: 12px 14px; border: 1px dashed rgba(184,84,44,.7); border-radius: 8px; background: rgba(184,84,44,.05); }
.spec__main::after { content: 'main content'; position: absolute; top: -8px; right: 12px; padding: 0 6px; background: #13110d; font-family: var(--mono); font-size: 9.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--accent); }
.spec__main h4 { margin: 0 0 4px; font-family: var(--display); font-weight: 600; font-variation-settings: 'wdth' 108; letter-spacing: -.02em; font-size: 15px; color: var(--d-text); }
.spec__main p { font-size: 11.5px; line-height: 1.55; color: rgba(243,238,228,.7); }

.spec__code { padding: 14px 18px 16px; font-family: var(--mono); font-size: 12px; line-height: 1.8; color: var(--d-mute); white-space: pre-wrap; }
.spec__code b { color: var(--accent); font-weight: 500 } .spec__code u { text-decoration: none; color: var(--d-text) }

.pipe__rail { padding-inline: var(--gutter); max-width: var(--maxw); margin: 0 auto; width: 100%; display: flex; align-items: center; gap: 16px; }
.pipe__railLine { position: relative; flex: 1; height: 1px; background: var(--d-line); }
.pipe__railLine span { position: absolute; inset: 0 auto 0 0; background: var(--accent); transform-origin: left; transform: scaleX(0); }
.pipe__railNum { font-family: var(--mono); font-size: 11px; letter-spacing: .18em; color: var(--d-mute); }

/* ====================================================== 5. THE DOCUMENT */

.anatomy { background: var(--paper-2); }
.anatomy__grid { display: grid; grid-template-columns: 1fr minmax(320px, 46%); gap: clamp(40px, 6vw, 90px); align-items: center; }

.anatomy__viewer { perspective: 1500px; }
.anatomy__doc {
    position: relative;
    transform-style: preserve-3d;
    transform: rotateX(14deg) rotateY(-19deg) rotateZ(2deg);
    border-radius: 18px;
    background: #fff;
    border: 1px solid var(--line);
    box-shadow: 0 70px 120px -60px rgba(23,20,15,.6);
    overflow: hidden;
    will-change: transform;
}
.anatomy__doc .paperDoc__body { font-size: 13px; padding: 26px 28px 34px; }
.anatomy__specs { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; }
.anatomy__specs li {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: baseline;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid var(--line-soft);
}
.anatomy__specs dt, .anatomy__specs .k { font-size: 14px; color: var(--ink-soft); }
.anatomy__specs .v { font-family: var(--mono); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: var(--ink); text-align: right; }
.anatomy__specs .v.no { color: var(--ink-mute); }
.anatomy__specs .v.yes { color: var(--accent); }

/* ======================================================= 6. TRANSFORMS */

.tf__grid { display: grid; grid-template-columns: minmax(300px, 44%) 1fr; gap: clamp(36px, 5vw, 80px); align-items: start; margin-top: clamp(36px, 5vw, 64px); }
.acc { border-top: 1px solid var(--line); }
.acc__item { border-bottom: 1px solid var(--line); }
.acc__btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 20px 0;
    background: none;
    border: 0;
    cursor: pointer;
    text-align: left;
    font-family: var(--display);
    font-weight: 600;
    font-variation-settings: 'wdth' 108;
    font-size: clamp(1.05rem, 1.7vw, 1.45rem);
    letter-spacing: -.02em;
    color: var(--ink-mute);
    transition: color .3s;
}
.acc__item.is-open .acc__btn, .acc__btn:hover { color: var(--ink); }
.acc__sign { position: relative; width: 14px; height: 14px; flex: 0 0 auto; }
.acc__sign::before, .acc__sign::after { content: ""; position: absolute; background: currentColor; transition: transform .35s cubic-bezier(.2,.7,.3,1), opacity .3s; }
.acc__sign::before { left: 0; right: 0; top: 50%; height: 1.5px; margin-top: -.75px; }
.acc__sign::after { top: 0; bottom: 0; left: 50%; width: 1.5px; margin-left: -.75px; }
.acc__item.is-open .acc__sign::after { transform: scaleY(0); opacity: 0; }
.acc__panel { overflow: hidden; height: 0; }
.acc__panel > div { padding: 0 0 22px; }
.acc__panel p { margin: 0 0 14px; color: var(--ink-soft); font-size: 15px; line-height: 1.65; max-width: 44ch; }
.acc__cost { font-family: var(--mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); }

.tf__stageWrap { perspective: 1400px; position: sticky; top: 15svh; }
.tf__stage { position: relative; transform-style: preserve-3d; min-height: 420px; }
.tf__card {
    position: absolute;
    inset: 0;
    background: var(--paper-2);
    border: 1px solid var(--line);
    border-radius: 18px;
    box-shadow: 0 60px 110px -60px rgba(23,20,15,.55);
    overflow: hidden;
    opacity: 0;
    transform: rotateY(22deg) translateZ(-70px);
    pointer-events: none;
    transition: opacity .45s ease, transform .6s cubic-bezier(.2,.75,.25,1);
    display: flex;
    flex-direction: column;
}
.tf__card.is-on { opacity: 1; transform: rotateY(0) translateZ(0); pointer-events: auto; }
.tf__card .paperDoc__bar { flex: 0 0 auto; }
.tf__card .paperDoc__body { flex: 1; overflow: hidden; font-size: 12.5px; }

/* ======================================================== 7. USE CASES */

.uses { background: var(--paper); overflow: hidden; }
.uses__marquee { margin-top: clamp(40px, 6vw, 70px); perspective: 1000px; perspective-origin: 50% 50%; transform-style: preserve-3d; display: grid; gap: 16px; }
.uses__row { display: flex; gap: 14px; width: max-content; will-change: transform; transform-style: preserve-3d; }
.uses__row--b { opacity: .72; }
.uses__row--c { opacity: .48; }
.useChip {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    border-radius: 14px;
    background: var(--paper-2);
    border: 1px solid var(--line);
    box-shadow: 0 16px 36px -28px rgba(23,20,15,.6);
    font-size: 14px;
    color: var(--ink-soft);
    white-space: nowrap;
}
.useChip b { font-weight: 500; color: var(--ink); }
.useChip .dotmark { width: 6px; height: 6px; border-radius: 99px; background: var(--accent); flex: 0 0 auto; }

.uses__grid { margin-top: clamp(50px, 7vw, 90px); display: grid; grid-template-columns: repeat(auto-fit, minmax(258px, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 18px; overflow: hidden; }
.useCell { background: var(--paper-2); padding: 26px 24px 28px; display: grid; gap: 9px; align-content: start; transition: background .3s; }
.useCell:hover { background: #fff; }
.useCell .n { font-family: var(--mono); font-size: 10.5px; letter-spacing: .18em; color: var(--accent); }
.useCell h3 { margin: 0; font-family: var(--display); font-size: 1.1rem; font-weight: 600; font-variation-settings: 'wdth' 106; letter-spacing: -.02em; }
.useCell p { margin: 0; font-size: 13.5px; line-height: 1.6; color: var(--ink-mute); }
.useCell { color: inherit; grid-template-rows: auto auto 1fr auto; }
.useCell__go { margin-top: 8px; font-family: var(--mono); font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); opacity: 0; transform: translateX(-4px); transition: opacity .25s, transform .25s; }
.useCell:hover .useCell__go, .useCell:focus-visible .useCell__go { opacity: 1; transform: none; }
.uses__all { margin-top: 22px; display: flex; justify-content: flex-end; }

/* =========================================================== 8. GLOBE */

.globe { height: 320svh; background: var(--d-bg); color: var(--d-text); }
.globe .stage { display: grid; place-items: center; }
.globe__canvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .95; }
.globe__vignette { position: absolute; inset: 0; background: radial-gradient(circle at 50% 50%, transparent 38%, rgba(10,9,7,.85) 78%); pointer-events: none; }
.globe__copy { position: relative; z-index: 3; text-align: center; padding-inline: var(--gutter); display: grid; justify-items: center; gap: 20px; max-width: 760px; }
.globe__copy::before {
    content: "";
    position: absolute;
    inset: -14% -22%;
    background: radial-gradient(ellipse at center, rgba(10,9,7,.88) 0%, rgba(10,9,7,.6) 48%, rgba(10,9,7,0) 74%);
    z-index: -1;
    pointer-events: none;
}
.globe__copy .display--l { text-shadow: 0 10px 50px rgba(10,9,7,.9); }
.globe__copy .lead { color: rgba(243,238,228,.78); }
.globe__ticker { font-family: var(--mono); font-size: 12px; letter-spacing: .2em; text-transform: uppercase; color: var(--accent); height: 18px; overflow: hidden; }
.globe__ticker span { display: block; }

.globe__stats {
    position: absolute;
    left: 0; right: 0; bottom: 6svh;
    z-index: 3;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    padding-inline: var(--gutter);
    max-width: var(--maxw);
    margin: 0 auto;
    border-top: 1px solid var(--d-line);
    padding-top: 22px;
}
.globe__stats div { display: grid; gap: 4px; }
.globe__stats .v { font-family: var(--display); font-size: clamp(1.5rem, 2.6vw, 2.3rem); font-weight: 600; font-variation-settings: 'wdth' 110; letter-spacing: -.03em; }
.globe__stats .k { font-family: var(--mono); font-size: 10.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--d-mute); }

/* ========================================================= 9. PRICING */

.pricing { background: var(--paper-2); }
.pricing__head { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.pricing__grid { margin-top: clamp(36px, 5vw, 60px); display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.plan {
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding: 24px 20px 22px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: var(--paper);
    transition: transform .4s cubic-bezier(.2,.7,.3,1), box-shadow .4s, border-color .3s;
}
.plan:hover { transform: translateY(-6px); box-shadow: 0 40px 70px -50px rgba(23,20,15,.6); }
.plan--pop { border-color: var(--ink); background: var(--ink); color: var(--paper-2); }
.plan--pop .plan__cred, .plan--pop .plan__name { color: rgba(243,238,228,.7); }
.plan__name { font-family: var(--mono); font-size: 11px; letter-spacing: .2em; text-transform: uppercase; color: var(--ink-mute); display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.plan__badge { padding: 4px 9px; border-radius: 99px; background: var(--accent); color: #fff; font-size: 9.5px; letter-spacing: .14em; }
.plan__price { font-family: var(--display); font-size: clamp(1.9rem, 3vw, 2.6rem); font-weight: 600; font-variation-settings: 'wdth' 108; letter-spacing: -.035em; line-height: 1; }
.plan__cred { font-size: 13.5px; color: var(--ink-soft); margin: 0; }
.plan .btn { margin-top: auto; width: 100%; }
.plan--pop .btn { background: var(--paper-2); color: var(--ink); border-color: var(--paper-2); }
.plan--pop .btn:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.pricing__note { margin-top: 20px; font-size: 13px; color: var(--ink-mute); max-width: 76ch; }

/* ============================================================= 10. FAQ */

.faq__grid { margin-top: clamp(30px, 4vw, 50px); display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 clamp(36px, 5vw, 80px); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
    list-style: none;
    cursor: pointer;
    padding: 20px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    font-family: var(--display);
    font-weight: 600;
    font-variation-settings: 'wdth' 106;
    font-size: clamp(1rem, 1.4vw, 1.2rem);
    letter-spacing: -.015em;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--mono); font-size: 18px; color: var(--accent); transition: transform .3s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: 0 0 22px; color: var(--ink-soft); font-size: 14.5px; line-height: 1.7; max-width: 52ch; }

/* ========================================================== 11. FOOTER */

.final { background: var(--d-bg); color: var(--d-text); padding-block: clamp(80px, 11vw, 150px) 0; overflow: hidden; }
.final__inner { display: grid; gap: clamp(36px, 5vw, 60px); }
.final__big {
    font-family: var(--display);
    font-weight: 600;
    font-variation-settings: 'wdth' 118;
    font-size: clamp(2.4rem, 8.4vw, 8rem);
    letter-spacing: -.045em;
    line-height: .92;
    margin: 0;
    text-wrap: balance;
}
.final__row { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.final__row .lead { color: var(--d-mute); max-width: 44ch; }
.final__cta { display: flex; gap: 10px; flex-wrap: wrap; }

.foot { margin-top: clamp(60px, 8vw, 110px); border-top: 1px solid var(--d-line); padding: 26px 0 34px; display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap; font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--d-mute); }
.foot a:hover { color: var(--d-text); }
.foot nav { display: flex; gap: 18px; flex-wrap: wrap; }

/* ============================================================ reveals */

.has-js .reveal { opacity: 0; transform: translateY(26px); }
.has-js .reveal-l > * { opacity: 0; transform: translateY(20px); }

/* ========================================================= responsive */

@media (max-width: 1100px) {
    .pricing__grid { grid-template-columns: repeat(3, 1fr); }
    .anatomy__grid { grid-template-columns: 1fr; }
    .tf__grid { grid-template-columns: 1fr; }
    .tf__stageWrap { position: relative; top: 0; }
    .tf__stage { min-height: 340px; }
}

@media (max-width: 900px) {
    .nav__links { display: none; }

    .sources { height: 320svh; }
    .sources .stage { grid-template-columns: 1fr; grid-template-rows: auto 1fr; align-items: start; gap: 12px; padding: 92px var(--gutter) 84px; }
    .sources__list { margin-top: 18px; }
    .sources__list li { padding: 7px 0; }
    .sources__detail { display: none; }
    .ring { height: 100%; min-height: 280px; perspective: 900px; }
    .srcCard { width: 186px; height: 246px; margin: -123px 0 0 -93px; padding: 18px; border-radius: 15px; }
    .srcCard h3 { font-size: 1.1rem; }
    .srcCard p { font-size: 12px; }

    .tf__stage { min-height: 400px; }
    .tf__card .paperDoc__body { font-size: 11px; line-height: 1.75; }

    .faq__grid { grid-template-columns: 1fr; }
    .hero { height: 250svh; }
}

@media (max-width: 720px) {
    .pricing__grid { grid-template-columns: 1fr 1fr; }
    .globe__stats { grid-template-columns: 1fr 1fr; gap: 14px; }
    .pipe { height: 400svh; }
    .pipeStep { width: 86vw; }
    .pipeStep__visual { min-height: 0; }
    .spec__body, .spec__code { font-size: 11px; }
    .chrome--nav, .chrome--cookie { width: 250px; }
    .chrome--ad { width: 180px; height: 140px; }
}

@media (max-width: 520px) {
    .pricing__grid { grid-template-columns: 1fr; }
    .hero__cta .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
    .has-js .reveal, .has-js .reveal-l > * { opacity: 1 !important; transform: none !important; }
    .hero__cue i::after { animation: none; }
    * { scroll-behavior: auto !important; }
}