/* ------------------------------------------------------------ tokens ---- */
:root {
  --sc-canvas: #F4F7F6;  --sc-surface: #FFFFFF;
  --sc-ink: #0E2526;     --sc-ink-soft: #47605F;
  --sc-accent: #1F6A6C;  --sc-accent-ink: #FFFFFF;
  --sc-font-display: "Raleway", system-ui, sans-serif;
  --sc-font-text: "Source Serif 4", Georgia, serif;
  --sc-font-mono: ui-monospace, "Cascadia Mono", Consolas, monospace;
  --sc-shadow-color: 183 40% 14%;
  --folio-w: 0px;
  --bar-h: 76px;
  --gut: var(--sc-gutter);
  --grid-line: color-mix(in oklab, var(--sc-accent) 9%, transparent);
}
@media (max-width: 860px) { :root { --bar-h: 64px; } }

html { font-variant-numeric: lining-nums; }
body { background: var(--sc-canvas); color: var(--sc-ink); font-family: var(--sc-font-text); }
h1, h2, h3, .disp { font-family: var(--sc-font-display); font-weight: 700; letter-spacing: var(--sc-track-tight); line-height: 1.02; text-wrap: balance; margin: 0; }
p { margin: 0; }
a { color: inherit; text-underline-offset: 0.22em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--sc-accent); outline-offset: 3px; border-radius: 3px; }

/* grounds: every chapter is a hard cut, not an interpolation */
.g { background: var(--sc-canvas); color: var(--sc-ink); }
.g-paper { --sc-canvas: #F4F7F6; }
.g-mist  { --sc-canvas: #E6EEED; --sc-surface: #F7FAF9; }
.g-white { --sc-canvas: #FCFDFD; }
.g-dark  { --sc-canvas: #0C1F20; --sc-surface: #133234; --sc-ink: #EAF4F3; --sc-ink-soft: #A3C2C0; --sc-accent: #6FD0D2; --sc-accent-ink: #0C1F20; --grid-line: color-mix(in oklab, #6FD0D2 10%, transparent); }
.g-night { --sc-canvas: #071314; --sc-ink: #EAF4F3; --sc-ink-soft: #8FAEAC; --sc-accent: #6FD0D2; --sc-accent-ink: #071314; }
.g-teal  { --sc-canvas: #113C3E; --sc-surface: #174A4C; --sc-ink: #EAF4F3; --sc-ink-soft: #B4D3D1; --sc-accent: #7FDCDE; --sc-accent-ink: #0C1F20; }

.wrap { width: 100%; max-width: calc(78rem + var(--folio-w)); margin-inline: auto; padding-left: calc(var(--folio-w) + var(--gut)); padding-right: var(--gut); }
.kicker { font-family: var(--sc-font-display); font-weight: 600; font-size: var(--sc-t-xs); letter-spacing: var(--sc-track-wide); text-transform: uppercase; color: var(--sc-accent); }
.body { font-size: var(--sc-t-base); line-height: 1.62; color: var(--sc-ink-soft); max-width: 60ch; text-wrap: pretty; }
.body strong { color: var(--sc-ink); font-weight: 600; }
.h2 { font-size: clamp(2.1rem, 1.4rem + 2.6vw, 3.9rem); }
.h3 { font-size: var(--sc-t-xl); letter-spacing: var(--sc-track-snug); line-height: 1.1; }

.cta { display: inline-flex; align-items: center; gap: 0.6em; font-family: var(--sc-font-display); font-weight: 700; font-size: var(--sc-t-sm); letter-spacing: 0.01em; padding: 0.95em 1.4em; border-radius: var(--sc-r-sm); background: var(--sc-accent); color: var(--sc-accent-ink); text-decoration: none; white-space: nowrap; box-shadow: var(--sc-e1); transition: transform var(--sc-d-fast) var(--sc-ease-out), box-shadow var(--sc-d-fast) var(--sc-ease-out); }
.cta:active { transform: translateY(1px) scale(0.98); }
@media (hover: hover) and (pointer: fine) { .cta:hover { box-shadow: var(--sc-e2); transform: translateY(-1px); } }
.cta svg { width: 1em; height: 1em; }
.runlink { font-family: var(--sc-font-display); font-weight: 700; color: var(--sc-accent); text-decoration: underline; text-underline-offset: 0.25em; }

/* ------------------------------------------------------------ top bar ---- */
.bar { position: fixed; z-index: 70; left: 0; right: 0; top: 0; height: var(--bar-h); box-sizing: border-box; display: flex; align-items: center; gap: clamp(1rem, 2.4vw, 2.5rem); padding: 0 var(--gut); --bar-bg: rgba(244,247,246,0.92); --bar-ink: #0E2526; --bar-soft: #3F5857; --bar-acc: #1F6A6C; --bar-line: rgba(14,37,38,0.1); background: var(--bar-bg); color: var(--bar-ink); border-bottom: 1px solid var(--bar-line); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); transition: background-color 240ms var(--sc-ease-out), color 240ms var(--sc-ease-out), border-color 240ms var(--sc-ease-out); }
html[data-ground="dark"] .bar { --bar-bg: rgba(12,31,32,0.9); --bar-ink: #EAF4F3; --bar-soft: #B4D3D1; --bar-acc: #6FD0D2; --bar-line: rgba(234,244,243,0.12); }
.bar__logo { display: block; flex: 0 0 auto; line-height: 0; color: #3FA3A5; transition: color 240ms var(--sc-ease-out); }
.bar__logo svg { height: 46px; width: auto; display: block; }
html[data-ground="dark"] .bar__logo { color: #6FD0D2; }
.bar__nav { margin-left: auto; }
.bar__nav ol { list-style: none; margin: 0; padding: 0; display: flex; gap: clamp(0.8rem, 1.5vw, 1.7rem); }
.bar__nav a { display: inline-flex; align-items: baseline; gap: 0.4rem; padding: 0.55rem 0; font-family: var(--sc-font-display); font-size: 1.02rem; font-weight: 600; text-decoration: none; color: var(--bar-soft); white-space: nowrap; border-bottom: 2px solid transparent; transition: color 160ms var(--sc-ease-out), border-color 160ms var(--sc-ease-out); }
.bar__nav a .n { font-size: 0.8rem; font-weight: 700; color: var(--bar-acc); font-variant-numeric: tabular-nums; }
.bar__nav a[aria-current="true"] { color: var(--bar-ink); border-bottom-color: var(--bar-acc); }
@media (hover: hover) and (pointer: fine) { .bar__nav a:hover { color: var(--bar-ink); } }
.bar__lang { flex: 0 0 auto; font-family: var(--sc-font-display); font-weight: 700; font-size: 0.9rem; letter-spacing: 0.04em; color: var(--bar-ink); text-decoration: none; padding: 0.5rem 0.65rem; border: 1px solid var(--bar-line); border-radius: var(--sc-r-sm); min-height: 24px; }
@media (hover: hover) and (pointer: fine) { .bar__lang:hover { border-color: var(--bar-acc); } }
.bar__menu + .bar__lang, .bar__nav + .bar__menu + .bar__lang { margin-left: 0; }
.bar .cta { flex: 0 0 auto; background: var(--bar-acc); color: #fff; padding: 0.8em 1.2em; font-size: 0.92rem; }
html[data-ground="dark"] .bar .cta { color: #0C1F20; }
.bar__menu { all: unset; cursor: pointer; display: none; align-items: center; gap: 0.45rem; min-height: 44px; padding: 0 0.3rem; font-family: var(--sc-font-display); font-weight: 700; font-size: 1rem; color: var(--bar-ink); margin-left: auto; }
.bar__menu:focus-visible { outline: 2px solid var(--bar-acc); outline-offset: 2px; border-radius: 4px; }
.bar__sheet { position: fixed; z-index: 69; left: 0; right: 0; top: var(--bar-h); background: #F4F7F6; color: #0E2526; padding: 0.5rem var(--gut) 1.5rem; border-bottom: 1px solid rgba(14,37,38,0.14); box-shadow: 0 16px 32px rgba(8,30,31,0.18); }
.bar__sheet[hidden] { display: none; }
.bar__sheet ol { list-style: none; margin: 0; padding: 0; }
.bar__sheet a { display: flex; gap: 0.8rem; align-items: center; min-height: 52px; font-family: var(--sc-font-display); font-weight: 600; font-size: 1.1rem; text-decoration: none; border-bottom: 1px solid rgba(14,37,38,0.08); }
.bar__sheet a .n { color: #1F6A6C; font-size: 0.85rem; font-weight: 700; width: 1rem; }
@media (max-width: 1399px) { .bar__nav { display: none; } .bar__menu { display: inline-flex; } }
@media (min-width: 1400px) { .bar__sheet { display: none !important; } }
.bar__sheet-lang { display: none; }
@media (max-width: 520px) { .bar__lang { display: none; } .bar__sheet-lang { display: list-item; } }
@media (max-width: 520px) { .bar__logo svg { height: 32px; } .bar .cta { padding: 0.7em 0.85em; font-size: 0.84rem; } .bar { gap: 0.6rem; } }
@media (max-width: 370px) { .bar .cta { display: none; } }
html { scroll-padding-top: var(--bar-h); }

/* -------------------------------------------------------------- hero ---- */
.hero__stage { overflow: clip; }
.hero__grid { position: absolute; inset: -40px; background-image: linear-gradient(var(--grid-line) 1px, transparent 1px), linear-gradient(90deg, var(--grid-line) 1px, transparent 1px); background-size: 28px 28px; -webkit-mask-image: radial-gradient(ellipse 70% 70% at 68% 48%, #000 30%, transparent 78%); mask-image: radial-gradient(ellipse 70% 70% at 68% 48%, #000 30%, transparent 78%); will-change: transform; }
.hero__plotwrap { position: absolute; right: max(var(--gut), 3vw); top: 50%; width: min(50vw, 56rem); translate: 0 -46%; will-change: transform; }
.hero__plot { display: block; width: 100%; height: auto; overflow: visible; }
.hero__plot .axis { stroke: color-mix(in oklab, var(--sc-ink) 30%, transparent); stroke-width: 1; }
.hero__plot .tick { font: 500 11px var(--sc-font-display); fill: var(--sc-ink-soft); }
.hero__plot circle { fill: var(--sc-accent); fill-opacity: 0.55; }
.hero__plot circle.g1 { fill: none; stroke: var(--sc-accent); stroke-width: 1.4; fill-opacity: 0; }
.hero__plot .fit { stroke: var(--sc-ink); stroke-width: 2; fill: none; }
.hero__copy { position: absolute; z-index: 5; left: calc(var(--folio-w) + var(--gut)); top: calc(50% + var(--bar-h) / 2); translate: 0 -54%; max-width: min(54rem, 62vw); }
.hero h1 { font-size: clamp(2.2rem, 1.1rem + 3.3vw, 4.1rem); font-weight: 800; }
.hero h1 em { display: inline-block; max-width: 11em; }
.hero h1 em { font-style: italic; font-weight: 500; color: var(--sc-accent); }
.hero__lede { margin-top: var(--sc-5); font-size: var(--sc-t-lg); line-height: 1.5; max-width: 34ch; color: var(--sc-ink-soft); }
.hero__actions { margin-top: var(--sc-6); display: flex; gap: 1.5rem; align-items: center; flex-wrap: wrap; }
.hero__fore { position: absolute; z-index: 6; left: calc(var(--folio-w) + var(--gut)); right: var(--gut); bottom: clamp(1.25rem, 5vh, 3rem); display: flex; justify-content: flex-end; gap: 2rem; align-items: end; font-size: var(--sc-t-sm); color: var(--sc-ink-soft); will-change: transform; }
.hero__fore p { max-width: 52ch; }
.hero__fore b { font-family: var(--sc-font-display); font-weight: 700; color: var(--sc-ink); }
.hero__cap { text-align: right; font-style: italic; max-width: 30ch; }
/* a soft paper wash behind the copy column: density only where the type sits */
.hero__wash { position: absolute; z-index: 4; inset: 0 auto 0 0; width: calc(var(--folio-w) + min(50rem, 64vw)); background: linear-gradient(90deg, var(--sc-canvas) 55%, color-mix(in oklab, var(--sc-canvas) 0%, transparent)); pointer-events: none; }
@media (max-width: 860px) {
  .hero__plotwrap { width: 128vw; right: -30vw; top: auto; bottom: 18svh; translate: 0 0; opacity: 0.85; }
  .hero__copy { top: calc(var(--bar-h) + 6svh); translate: 0 0; max-width: none; right: var(--gut); }
    .hero h1 { font-size: clamp(2.3rem, 9.6vw, 3.2rem); }
  .hero__lede { font-size: 1.05rem; }
  .hero__wash { width: 100%; background: linear-gradient(180deg, var(--sc-canvas) 52%, color-mix(in oklab, var(--sc-canvas) 0%, transparent) 72%); }
  .hero__cap { display: none; }
  .hero__fore { bottom: 1rem; font-size: 0.8rem; }
}
@media (max-width: 860px) and (max-height: 700px) { .hero__copy { top: calc(var(--bar-h) + 1.2rem); } }

/* ------------------------------------------------------ chapter heads ---- */
.chap { padding-block: var(--sc-section); }
.chap__head { display: grid; gap: var(--sc-4); margin-bottom: var(--sc-8); max-width: 46rem; }
.chap__num { font-family: var(--sc-font-display); font-weight: 600; color: var(--sc-accent); font-size: var(--sc-t-sm); letter-spacing: 0.02em; }

/* ------------------------------------------------- ch1 delineamento ---- */
.design { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 27rem); gap: clamp(2.5rem, 6vw, 6rem); align-items: start; }
.trail { list-style: none; padding: 0; margin: var(--sc-7) 0 0; display: grid; gap: 0; border-top: 1px solid var(--sc-hairline-strong); }
.trail li { display: grid; grid-template-columns: 11rem 1fr; gap: 1rem; padding: 1rem 0; border-bottom: 1px solid var(--sc-hairline); }
.trail b { font-family: var(--sc-font-display); font-weight: 700; }
.trail span { color: var(--sc-ink-soft); }
.calc { background: var(--sc-surface); border-radius: var(--sc-r-md); padding: clamp(1.4rem, 3vw, 2.2rem); box-shadow: var(--sc-e2), var(--sc-edge); position: relative; }
.calc h3 { font-size: var(--sc-t-lg); letter-spacing: var(--sc-track-snug); }
.calc__intro { margin-top: 0.5rem; font-size: var(--sc-t-sm); color: var(--sc-ink-soft); }
.field { margin-top: 1.3rem; display: grid; gap: 0.45rem; }
.field label, .field legend { font-family: var(--sc-font-display); font-weight: 600; font-size: 0.86rem; display: flex; justify-content: space-between; }
.field output { font-variant-numeric: tabular-nums; color: var(--sc-accent); font-weight: 700; }
input[type="range"] { width: 100%; accent-color: var(--sc-accent); height: 28px; }
.seg { display: flex; gap: 0.4rem; border: 0; padding: 0; margin: 0; }
fieldset.field { border: 0; padding: 0; margin-inline: 0; min-width: 0; }
.field .seg label { display: block; flex: 1; }
.seg label { flex: 1; }
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg span { display: block; text-align: center; padding: 0.6rem 0; border: 1px solid var(--sc-hairline-strong); border-radius: var(--sc-r-sm); cursor: pointer; font-family: var(--sc-font-display); font-weight: 600; font-size: 0.88rem; transition: background-color 140ms var(--sc-ease-out), color 140ms var(--sc-ease-out); }
.seg input:checked + span { background: var(--sc-accent); color: var(--sc-accent-ink); border-color: var(--sc-accent); }
.seg input:focus-visible + span { outline: 2px solid var(--sc-accent); outline-offset: 2px; }
.calc input[type="number"] { font: inherit; font-size: 1rem; padding: 0.6rem 0.75rem; border: 1px solid var(--sc-hairline-strong); border-radius: var(--sc-r-sm); background: transparent; color: var(--sc-ink); width: 100%; box-sizing: border-box; }
.calc__out { margin-top: 1.6rem; padding-top: 1.2rem; border-top: 1px solid var(--sc-hairline-strong); display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; }
.calc__n { font-family: var(--sc-font-display); font-weight: 800; font-size: clamp(2.6rem, 2rem + 2.4vw, 3.6rem); letter-spacing: -0.04em; font-variant-numeric: tabular-nums; line-height: 1; color: var(--sc-accent); }
.calc__nlabel { font-size: var(--sc-t-sm); color: var(--sc-ink-soft); text-align: right; max-width: 20ch; }
.calc__note { margin-top: 1rem; font-size: 0.86rem; color: var(--sc-ink-soft); line-height: 1.5; }
.calc__note a { color: var(--sc-accent); font-weight: 600; }
@media (max-width: 900px) { .design { grid-template-columns: 1fr; } .trail li { grid-template-columns: 1fr; gap: 0.2rem; } }

/* ------------------------------------------------------- ch2 coleta ---- */
.collect__stage { display: flex; align-items: center; padding-top: var(--bar-h); box-sizing: border-box; }
.rail { gap: clamp(1.25rem, 3vw, 3rem); padding-left: calc(var(--folio-w) + var(--gut)); padding-right: var(--gut); align-items: stretch; }
.rail > * { flex: 0 0 auto; width: clamp(17rem, 27vw, 25rem); }
.rail__lead { width: clamp(18rem, 34vw, 30rem); display: grid; align-content: center; gap: var(--sc-4); }
.rail__item { display: grid; align-content: start; gap: 0.9rem; padding-top: 1.3rem; border-top: 1px solid var(--sc-hairline-strong); }
.rail__item .num { font-family: var(--sc-font-display); font-weight: 300; font-size: clamp(3.2rem, 2.4rem + 3vw, 5rem); line-height: 1; letter-spacing: -0.05em; color: var(--sc-accent); font-variant-numeric: tabular-nums; }
.rail__item h3 { font-size: var(--sc-t-xl); letter-spacing: var(--sc-track-snug); }
.rail__item p { color: var(--sc-ink-soft); line-height: 1.58; }
.rail__item p strong { color: var(--sc-ink); font-weight: 600; }
.rail__item .meta { font-family: var(--sc-font-display); font-size: 0.8rem; font-weight: 600; color: var(--sc-ink); }
.rail__end { display: grid; align-content: center; gap: 1.2rem; }
.rail__end p { font-size: var(--sc-t-lg); line-height: 1.45; }
@media (prefers-reduced-motion: no-preference) {
  .rail__item { opacity: calc(0.55 + 0.45 * min(1, max(0, (var(--sc-p, 0) * 7 - var(--i) + 1.2)))); translate: calc((1 - min(1, max(0, (var(--sc-p, 0) * 7 - var(--i) + 1.2)))) * 28px) 0; }
}
.collect { --sc-p: 0; }

/* ----------------------------------------------------- intertitle ---- */
.inter { min-height: 82svh; display: grid; align-items: end; padding-block: 12svh; }
.inter__n { font-family: var(--sc-font-display); font-weight: 200; font-size: clamp(7rem, 18vw, 16rem); line-height: 0.85; letter-spacing: -0.06em; color: var(--sc-accent); }
.inter h2 { font-size: var(--sc-t-2xl); font-weight: 600; margin-top: 1.2rem; }

/* --------------------------------------------------- ch3 analysis (peak) */
.lab__stage { display: grid; grid-template-columns: minmax(0, 21rem) minmax(0, 1fr); gap: clamp(2rem, 5vw, 5rem); align-items: center; padding-left: calc(var(--folio-w) + var(--gut)); padding-right: var(--gut); padding-top: var(--bar-h); box-sizing: border-box; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 1.6rem; counter-reset: s; }
.steps li { display: grid; grid-template-columns: 2.2rem 1fr; gap: 0.2rem 0.6rem; color: var(--sc-ink-soft); opacity: 0.5; transition: opacity 240ms var(--sc-ease-out), color 240ms var(--sc-ease-out); }
.steps li::before { counter-increment: s; content: counter(s); grid-row: span 2; font-family: var(--sc-font-display); font-weight: 700; font-size: 0.85rem; width: 1.8rem; height: 1.8rem; border-radius: 50%; display: grid; place-items: center; border: 1.5px solid currentColor; }
.steps li[aria-current="step"] { opacity: 1; color: var(--sc-ink); }
.steps li[aria-current="step"]::before { background: var(--sc-accent); border-color: var(--sc-accent); color: var(--sc-accent-ink); }
.steps li.done { opacity: 0.75; }
html.rm .steps li { opacity: 1; color: var(--sc-ink); }
.steps b { font-family: var(--sc-font-display); font-weight: 700; font-size: var(--sc-t-lg); letter-spacing: -0.01em; line-height: 1.2; }
.steps span { font-size: 0.95rem; line-height: 1.5; }
.lab__h { font-size: var(--sc-t-2xl); margin-bottom: 2rem; }

.doc { position: relative; background: #fff; border-radius: var(--sc-r-md); box-shadow: var(--sc-e3), 0 0 0 1px rgba(14,37,38,0.06); height: min(calc(100svh - var(--bar-h) - 4rem), 46rem); max-width: 54rem; overflow: hidden; color: #0E2526; }
.doc__bar { display: flex; justify-content: space-between; gap: 1rem; align-items: center; padding: 0.85rem 1.2rem; border-bottom: 1px solid rgba(14,37,38,0.1); font-family: var(--sc-font-display); font-size: 0.8rem; font-weight: 600; color: #47605F; }
.doc__file { font-family: var(--sc-font-mono); font-weight: 500; color: #0E2526; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.doc__layer { position: absolute; inset: 3rem 0 0 0; padding: clamp(1.2rem, 2.4vw, 2.2rem) clamp(1rem, 3vw, 2.6rem); will-change: opacity, transform; }
.raw { font-family: var(--sc-font-mono); font-size: clamp(0.74rem, 0.6rem + 0.42vw, 1.02rem); border-collapse: collapse; width: 100%; }
.raw th { text-align: left; font-weight: 600; color: #47605F; padding: 0.6rem 0.8rem; border-bottom: 1px solid rgba(14,37,38,0.2); background: #F1F5F4; }
.raw td { padding: 0.62rem 0.8rem; border-bottom: 1px solid rgba(14,37,38,0.07); white-space: nowrap; }
.raw td.num { text-align: right; }
.raw .more td { color: #47605F; font-style: italic; font-family: var(--sc-font-text); }
.raw td.flag { text-decoration: underline wavy #C2410C; text-underline-offset: 0.3em; text-decoration-thickness: 1px; background: #FFF6EE; }
.raw td.clean { background: #E7F4F3; color: #13575A; font-weight: 600; text-decoration: none; }
.raw td.miss { color: #8A5A2B; }
.doc__legend { margin-top: 1rem; display: flex; gap: 1.2rem; flex-wrap: wrap; font-family: var(--sc-font-display); font-size: 0.78rem; color: #47605F; }
.doc__legend i { display: inline-block; width: 0.8rem; height: 0.8rem; border-radius: 2px; vertical-align: -0.1em; margin-right: 0.35rem; }

.plan { display: grid; gap: 0; align-content: start; }
.plan h4 { font-family: var(--sc-font-display); font-weight: 700; font-size: 1.4rem; margin: 0 0 1.2rem; letter-spacing: -0.01em; }
.plan dl { margin: 0; display: grid; grid-template-columns: 10rem 1fr; border-top: 1px solid rgba(14,37,38,0.14); }
.plan dt, .plan dd { padding: 0.85rem 0; border-bottom: 1px solid rgba(14,37,38,0.08); margin: 0; font-size: 1.05rem; }
.plan dt { font-family: var(--sc-font-display); font-weight: 700; font-size: 0.84rem; color: #47605F; padding-right: 1rem; }
.plan .ln { will-change: opacity, transform; }

.t1 { align-content: start; }
.t1 caption { caption-side: top; text-align: left; font-size: 1.05rem; padding-bottom: 0.7rem; line-height: 1.45; }
.t1 caption b { font-family: var(--sc-font-display); }
.t1 table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums lining-nums; font-size: clamp(0.82rem, 0.7rem + 0.42vw, 1.1rem); }
.t1 thead th { border-top: 1.5px solid #0E2526; border-bottom: 1px solid #0E2526; padding: 0.65rem 0.5rem; font-weight: 600; text-align: right; vertical-align: bottom; }
.t1 thead th:first-child { text-align: left; }
.t1 tbody td { padding: 0.75rem 0.5rem; text-align: right; white-space: nowrap; }
.t1 tbody td:first-child { text-align: left; white-space: normal; }
.t1 tbody tr:last-child td { border-bottom: 1.5px solid #0E2526; }
.t1 .row { will-change: opacity, transform; }
.pv { all: unset; cursor: pointer; font: inherit; font-variant-numeric: tabular-nums; color: #13575A; font-weight: 600; text-decoration: underline dotted; text-underline-offset: 0.25em; padding: 0.15rem 0.2rem; border-radius: 3px; }
.pv:focus-visible { outline: 2px solid #1F6A6C; outline-offset: 2px; }
.pv[aria-expanded="true"] { background: #1F6A6C; color: #fff; text-decoration: none; }
@media (hover: hover) and (pointer: fine) { .pv:hover { background: #E7F4F3; } .pv[aria-expanded="true"]:hover { background: #1F6A6C; } }
.t1 .foot { margin-top: 0.9rem; font-size: 0.84rem; line-height: 1.5; color: #47605F; }
.t1__bottom { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 2rem; margin-top: 1.8rem; align-items: start; }
.fig svg { width: 100%; height: auto; display: block; overflow: visible; }
.fig figcaption { font-size: 0.78rem; color: #47605F; margin-top: 0.3rem; line-height: 1.45; }
.fig .ci { stroke: #0E2526; stroke-width: 1.6; }
.fig .pt { fill: #1F6A6C; }
.fig .ax { stroke: rgba(14,37,38,0.35); }
.fig text { font: 500 10.5px var(--sc-font-display); fill: #47605F; }
.repro { background: #F1F5F4; border-radius: var(--sc-r-sm); padding: 1rem 1.1rem; font-size: 0.92rem; line-height: 1.5; }
.repro b { font-family: var(--sc-font-display); display: block; margin-bottom: 0.3rem; font-size: 0.82rem; }
.repro code { font-family: var(--sc-font-mono); font-size: 0.82rem; }
.repro__hint { font-family: var(--sc-font-display); font-size: 0.8rem; color: #47605F; }

@media (max-width: 860px) {
  .lab__stage { grid-template-columns: 1fr; align-content: start; gap: 0.9rem; padding-top: calc(var(--bar-h) + 1rem); }
  .lab__h { font-size: 1.5rem; margin-bottom: 0.6rem; }
  .steps { gap: 0; }
  .steps li { display: none; }
  .steps li[aria-current="step"] { display: grid; }
  .steps b { font-size: 1.05rem; }
  .steps span { font-size: 0.86rem; }
  .doc { height: auto; flex: 1; min-height: 0; }
  .lab__stage { grid-template-rows: auto auto 1fr; height: 100svh; }
  .lab__stage .doc { height: calc(100svh - var(--bar-h) - 10.5rem); }
  .doc__layer { padding: 0.8rem; inset: 2.6rem 0 0 0; overflow: hidden; }
  .raw td, .raw th { padding: 0.36rem 0.35rem; }
  .raw .hide-s { display: none; }
  .plan dl { grid-template-columns: 6.6rem 1fr; }
  .plan dt, .plan dd { font-size: 0.82rem; padding: 0.45rem 0; }
  .t1 caption { font-size: 0.82rem; }
  .t1 tbody td, .t1 thead th { padding: 0.36rem 0.2rem; }
  .t1__bottom { grid-template-columns: 1fr; gap: 0.6rem; }
  .fig { display: none; }
  .t1 .foot { font-size: 0.72rem; }
}

/* ---------------------------------------------------- repertoire ---- */
.rep { padding-block: clamp(3rem, 6vw, 6rem) var(--sc-section); }
.rep__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); gap: clamp(2rem, 6vw, 6rem); align-items: start; }
.rep dl { margin: 0; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 1.8rem 2.5rem; }
.rep dt { font-family: var(--sc-font-display); font-weight: 700; font-size: 1.08rem; margin-bottom: 0.35rem; }
.rep dd { margin: 0; color: var(--sc-ink-soft); line-height: 1.55; font-size: 0.98rem; }
.promise { margin-top: var(--sc-6); display: grid; gap: 0.9rem; padding-top: var(--sc-5); border-top: 1px solid var(--sc-hairline-strong); }
.promise p { font-size: var(--sc-t-base); }
.promise b { font-family: var(--sc-font-display); }
@media (max-width: 900px) { .rep__grid, .rep dl { grid-template-columns: 1fr; } }

/* ------------------------------------------------------ ch4 formação ---- */
.learn__grid { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.3fr); gap: clamp(2rem, 5vw, 5rem); align-items: center; }
.learn__panel { background: var(--sc-accent); color: var(--sc-accent-ink); border-radius: var(--sc-r-lg); padding: clamp(1.6rem, 4vw, 3.4rem); box-shadow: 0 24px 48px rgba(2,20,21,0.35); }
.learn__panel ul { list-style: none; margin: 0; padding: 0; }
.learn__panel li { display: grid; grid-template-columns: minmax(0, 11rem) 1fr; gap: 1.2rem; padding: 1.15rem 0; border-bottom: 1px solid rgba(12,31,32,0.2); }
.learn__panel li:last-child { border-bottom: 0; }
.learn__panel b { font-family: var(--sc-font-display); font-weight: 800; font-size: 1.15rem; letter-spacing: -0.01em; }
.learn__panel span { line-height: 1.5; }
.learn__panel a { font-weight: 600; }
@media (max-width: 900px) { .learn__grid { grid-template-columns: 1fr; } .learn__panel li { grid-template-columns: 1fr; gap: 0.3rem; } }

/* --------------------------------------------------- ch5 ferramentas ---- */
.tools__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2rem, 6vw, 6rem); align-items: center; }
.tools__copy { display: grid; gap: var(--sc-8); }
.tools__copy > div { display: grid; gap: var(--sc-4); }
.sheets { position: relative; height: clamp(26rem, 40vw, 34rem); }
.sheet { position: absolute; background: var(--sc-surface); border-radius: var(--sc-r-md); box-shadow: var(--sc-e2), var(--sc-edge); padding: 1rem 1.1rem; font-size: 0.82rem; color: #0E2526; }
.sheet h4 { margin: 0 0 0.6rem; font-family: var(--sc-font-display); font-size: 0.8rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; color: #47605F; }
.sheet table { border-collapse: collapse; width: 100%; font-variant-numeric: tabular-nums; }
.sheet td, .sheet th { text-align: left; padding: 0.3rem 0.5rem 0.3rem 0; border-bottom: 1px solid rgba(14,37,38,0.08); vertical-align: top; }
.sheet th { font-family: var(--sc-font-display); font-weight: 700; font-size: 0.74rem; color: #47605F; }
.sheet code { font-family: var(--sc-font-mono); font-size: 0.78rem; }
.sheet--back { left: 0; top: 0; width: 72%; opacity: 0.92; filter: saturate(0.8); }
.sheet--mid { right: 0; top: 18%; width: 74%; }
.sheet--front { left: 8%; bottom: 0; width: 70%; box-shadow: var(--sc-e3), var(--sc-edge); }
.sheets__cap { position: absolute; right: 0; bottom: -2.2rem; font-size: 0.8rem; font-style: italic; color: var(--sc-ink-soft); }
@media (max-width: 900px) { .tools__grid { grid-template-columns: 1fr; } .sheets { height: 30rem; margin-top: 1rem; } .sheet { font-size: 0.76rem; } .sheet--back, .sheet--mid, .sheet--front { width: 86%; } }

/* --------------------------------------------------------- método ---- */
.method ol { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 clamp(1.5rem, 4vw, 3.5rem); }
.method ol > li { padding: 1.4rem 0 2.2rem; border-top: 1px solid var(--sc-hairline-strong); display: grid; gap: 0.5rem; align-content: start; }
.method ol > li .n { font-family: var(--sc-font-display); font-weight: 600; font-size: 0.85rem; color: var(--sc-accent); font-variant-numeric: tabular-nums; }
.method ol > li b { font-family: var(--sc-font-display); font-size: var(--sc-t-xl); font-weight: 700; letter-spacing: -0.02em; }
.method ol > li p { color: var(--sc-ink-soft); line-height: 1.55; }
.clients { margin-top: var(--sc-9); }
.clients p { font-family: var(--sc-font-display); font-weight: 700; font-size: var(--sc-t-lg); margin-bottom: 2.2rem; }
.clients ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 2.6rem 3.6rem; align-items: center; }
.clients li { border: 0; padding: 0; }
.clients img { height: 84px; width: auto; max-width: none; object-fit: contain; filter: grayscale(1) contrast(1.05); mix-blend-mode: multiply; opacity: 0.85; }
@media (max-width: 900px) { .method ol { grid-template-columns: 1fr; } .method ol > li { padding: 1.1rem 0 1.4rem; } .clients img { height: 56px; max-width: 80vw; } .clients ul { gap: 1.6rem 2rem; } }

/* --------------------------------------------------- correspondência ---- */
.close { padding-block: var(--sc-section) clamp(2rem, 4vw, 3rem); }
.close__grid { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.9fr); gap: clamp(2.5rem, 6vw, 6rem); align-items: start; }
.letter { display: grid; gap: 1.4rem; }
.letter fieldset { border: 0; margin: 0; padding: 0; }
.letter legend, .letter label.lbl { font-family: var(--sc-font-display); font-weight: 700; font-size: 0.88rem; margin-bottom: 0.7rem; display: block; }
.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.chips label { position: relative; }
.chips input { position: absolute; opacity: 0; pointer-events: none; }
.chips span { display: inline-flex; align-items: center; min-height: 40px; box-sizing: border-box; padding: 0.45rem 0.9rem; border: 1px solid var(--sc-hairline-strong); border-radius: var(--sc-r-pill); font-family: var(--sc-font-display); font-weight: 600; font-size: 0.86rem; cursor: pointer; transition: background-color 140ms var(--sc-ease-out), color 140ms var(--sc-ease-out), border-color 140ms var(--sc-ease-out); }
.chips input:checked + span { background: var(--sc-accent); color: var(--sc-accent-ink); border-color: var(--sc-accent); }
.chips input:focus-visible + span { outline: 2px solid var(--sc-accent); outline-offset: 2px; }
@media (hover: hover) and (pointer: fine) { .chips span:hover { border-color: var(--sc-accent); } }
.letter input[type="text"], .letter input[type="email"], .letter input[type="tel"], .letter textarea { width: 100%; box-sizing: border-box; font: inherit; font-size: 1rem; color: var(--sc-ink); background: color-mix(in oklab, var(--sc-ink) 6%, transparent); border: 1px solid var(--sc-hairline-strong); border-radius: var(--sc-r-sm); padding: 0.8rem 0.9rem; caret-color: var(--sc-accent); }
.letter textarea { min-height: 7rem; resize: vertical; }
.letter input::placeholder, .letter textarea::placeholder { color: color-mix(in oklab, var(--sc-ink-soft) 80%, transparent); }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.preview { font-size: var(--sc-t-base); line-height: 1.6; border-left: 1px solid var(--sc-accent); padding: 0.2rem 0 0.2rem 1.2rem; color: var(--sc-ink); white-space: pre-line; }
.preview__lbl { font-family: var(--sc-font-display); font-weight: 700; font-size: 0.8rem; color: var(--sc-ink-soft); margin-bottom: 0.5rem; }
.send { display: flex; flex-wrap: wrap; align-items: center; gap: 0.6rem 1.4rem; }
.send p { font-size: var(--sc-t-lg); line-height: 1.5; margin: 0; }
.send a { font-family: var(--sc-font-display); font-weight: 700; color: var(--sc-accent); }
.send button.cta { border: 0; cursor: pointer; line-height: inherit; }
.send button.cta:disabled { opacity: 0.6; cursor: progress; }
.ok { font-family: var(--sc-font-display); font-weight: 600; color: var(--sc-accent); border-left: 2px solid var(--sc-accent); padding-left: 1rem; }
.privacy { font-size: 0.85rem; color: var(--sc-ink-soft); }
.err a { color: inherit; text-decoration: underline; }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.err { color: #FFB59A; font-family: var(--sc-font-display); font-weight: 600; font-size: 0.9rem; min-height: 1.2em; }
.colophon { display: grid; gap: 1.6rem; font-size: 0.95rem; color: var(--sc-ink-soft); line-height: 1.55; }
.colophon b { display: block; font-family: var(--sc-font-display); font-weight: 700; color: var(--sc-ink); font-size: 0.86rem; margin-bottom: 0.2rem; }
.colophon .mark { line-height: 0; }
.colophon .mark img { width: min(19rem, 100%); height: auto; }
.colophon nav { display: flex; gap: 1.2rem; flex-wrap: wrap; }
.endline { margin-top: var(--sc-9); padding-top: 1.2rem; border-top: 1px solid var(--sc-hairline); display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; font-size: 0.82rem; color: var(--sc-ink-soft); font-family: var(--sc-font-display); }
@media (max-width: 900px) { .close__grid { grid-template-columns: 1fr; } .two { grid-template-columns: 1fr; } }

.vh { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
::selection { background: #6FD0D2; color: #0C1F20; }

/* ------------------------------------------- rep: specialist review band ---- */
.rep__more { grid-column: 1 / -1; margin-top: clamp(1rem, 3vw, 2.5rem); display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(1.5rem, 4vw, 4rem); padding: clamp(1.6rem, 4vw, 3rem); border-radius: var(--sc-r-lg); background: #0C1F20; color: #EAF4F3; box-shadow: var(--sc-e2); }
.rep__more h3 { font-size: var(--sc-t-xl); letter-spacing: var(--sc-track-snug); line-height: 1.12; }
.rep__more .tag { font-family: var(--sc-font-display); font-weight: 700; font-size: 0.8rem; letter-spacing: 0.06em; text-transform: uppercase; color: #6FD0D2; margin-bottom: 0.8rem; }
.rep__more p { color: #B9D3D1; line-height: 1.6; }
.rep__more ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 0.7rem; }
.rep__more li { padding-left: 1.4rem; position: relative; color: #EAF4F3; line-height: 1.5; }
.rep__more li::before { content: ""; position: absolute; left: 0; top: 0.62em; width: 0.55rem; height: 2px; background: #6FD0D2; }
.rep__more .runlink { color: #6FD0D2; }
@media (max-width: 900px) { .rep__more { grid-template-columns: 1fr; } }

/* ------------------------------------------------ ch5: data curation ---- */
.curate { margin-top: var(--sc-10); }
.curate__head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(1.5rem, 5vw, 5rem); align-items: end; margin-bottom: var(--sc-7); }
.curate__head .badge { display: inline-block; font-family: var(--sc-font-display); font-weight: 700; font-size: 0.78rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--sc-accent); margin-bottom: 0.8rem; }
.modes { background: var(--sc-surface); border-radius: var(--sc-r-lg); box-shadow: var(--sc-e2), var(--sc-edge); padding: clamp(1.2rem, 3vw, 2.4rem); }
.modes__tabs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.6rem; margin-bottom: clamp(1.4rem, 3vw, 2.2rem); }
.modes__tabs button { all: unset; box-sizing: border-box; cursor: pointer; display: grid; gap: 0.3rem; padding: 1rem 1.1rem; border-radius: var(--sc-r-md); border: 1px solid var(--sc-hairline-strong); transition: background-color 160ms var(--sc-ease-out), border-color 160ms var(--sc-ease-out), color 160ms var(--sc-ease-out); }
.modes__tabs b { font-family: var(--sc-font-display); font-weight: 700; font-size: 1.05rem; }
.modes__tabs span { font-size: 0.86rem; color: var(--sc-ink-soft); line-height: 1.4; }
.modes__tabs em { font-style: normal; font-family: var(--sc-font-display); font-weight: 700; font-size: 0.72rem; letter-spacing: 0.05em; text-transform: uppercase; color: var(--sc-accent); }
.modes__tabs button[aria-selected="true"] { background: var(--sc-accent); border-color: var(--sc-accent); color: #fff; }
.modes__tabs button[aria-selected="true"] span, .modes__tabs button[aria-selected="true"] em { color: #D8F1F1; }
.modes__tabs button:focus-visible { outline: 2px solid var(--sc-accent); outline-offset: 3px; }
@media (hover: hover) and (pointer: fine) { .modes__tabs button:hover { border-color: var(--sc-accent); } }

.flow { display: grid; grid-template-columns: minmax(0, 1fr) 5.5rem minmax(0, 1fr) 5.5rem minmax(0, 1fr); align-items: stretch; }
.node { border: 1px solid var(--sc-hairline-strong); border-radius: var(--sc-r-md); padding: 1.1rem; display: grid; gap: 0.7rem; align-content: start; background: var(--sc-canvas); transition: opacity 220ms var(--sc-ease-out), border-color 220ms var(--sc-ease-out); }
.node h4 { margin: 0; font-family: var(--sc-font-display); font-size: 0.98rem; font-weight: 700; }
.node small { font-size: 0.84rem; color: var(--sc-ink-soft); line-height: 1.45; }
.node--home { border-color: var(--sc-accent); }
.vars { display: grid; grid-template-columns: repeat(8, 1fr); gap: 4px; max-width: 12rem; }
.vars i { aspect-ratio: 1; border-radius: 2px; background: color-mix(in oklab, var(--sc-ink) 14%, transparent); }
.vars i.on { background: var(--sc-accent); }
.results { display: flex; align-items: end; gap: 5px; height: 2.6rem; }
.results i { width: 0.7rem; background: var(--sc-accent); border-radius: 2px 2px 0 0; }
.lock { width: 2rem; height: 2rem; color: var(--sc-ink-soft); }
.link { position: relative; display: grid; place-items: center; padding: 0 0.4rem; }
.link::before { content: ""; position: absolute; left: 0.4rem; right: 0.4rem; top: 50%; height: 2px; background: var(--sc-accent); transition: opacity 220ms var(--sc-ease-out); }
.link::after { content: ""; position: absolute; right: 0.3rem; top: calc(50% - 5px); border: 6px solid transparent; border-left: 8px solid var(--sc-accent); border-right: 0; transition: opacity 220ms var(--sc-ease-out); }
.link span { position: relative; z-index: 1; transform: translateY(-1.5rem); font-family: var(--sc-font-display); font-weight: 700; font-size: 0.72rem; line-height: 1.25; text-align: center; color: var(--sc-accent); padding: 0 0.1rem; }
.link--two::after { display: none; }
.link--two span::before, .link--two span::after { content: none; }
[data-m] { display: none; }
.modes[data-mode="store"] [data-m~="store"], .modes[data-mode="share"] [data-m~="share"], .modes[data-mode="remote"] [data-m~="remote"] { display: revert; }
.modes[data-mode="store"] .node--mid, .modes[data-mode="store"] .node--partner, .modes[data-mode="store"] .link { opacity: 0.32; }
.modes[data-mode="remote"] .node--mid { border-color: var(--sc-accent); }
.modes__facts { margin: clamp(1.4rem, 3vw, 2rem) 0 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem 2rem; padding-top: 1.2rem; border-top: 1px solid var(--sc-hairline-strong); }
.modes__facts dt { font-family: var(--sc-font-display); font-weight: 700; font-size: 0.8rem; color: var(--sc-ink-soft); margin-bottom: 0.25rem; }
.modes__facts dd { margin: 0; font-size: 1rem; line-height: 1.45; }
.modes__facts dd b { font-family: var(--sc-font-display); color: var(--sc-accent); }
@media (max-width: 900px) {
  .curate__head { grid-template-columns: 1fr; }
  .modes__tabs { grid-template-columns: 1fr; }
  .flow { grid-template-columns: 1fr; grid-template-rows: auto 3.4rem auto 3.4rem auto; }
  .link::before { left: 50%; right: auto; top: 0.3rem; bottom: 0.3rem; width: 2px; height: auto; }
  .link::after { right: auto; left: calc(50% - 5px); top: auto; bottom: 0.2rem; border: 6px solid transparent; border-top: 8px solid var(--sc-accent); border-bottom: 0; }
  .link span { padding: 0 0.5rem; transform: translateX(calc(50% + 1rem)); text-align: left; }
  .modes__facts { grid-template-columns: 1fr; }
}

/* ---------------------------------------------- ch6: our platforms ---- */
.plat { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.plat__index { display: grid; border-top: 1px solid var(--sc-hairline-strong); }
.plat__index button { all: unset; box-sizing: border-box; cursor: pointer; display: grid; grid-template-columns: 1fr auto; gap: 0.2rem 1rem; padding: 1.25rem 0.2rem; border-bottom: 1px solid var(--sc-hairline-strong); }
.plat__index b { font-family: var(--sc-font-display); font-weight: 700; font-size: var(--sc-t-xl); letter-spacing: -0.02em; color: var(--sc-ink-soft); transition: color 160ms var(--sc-ease-out); }
.plat__index span { grid-column: 1; font-size: 0.92rem; color: var(--sc-ink-soft); }
.plat__index svg { grid-row: 1 / span 2; grid-column: 2; align-self: center; width: 1.2rem; height: 1.2rem; color: var(--sc-accent); opacity: 0; transform: translateX(-6px); transition: opacity 160ms var(--sc-ease-out), transform 160ms var(--sc-ease-out); }
.plat__index button[aria-selected="true"] b { color: var(--sc-ink); }
.plat__index button[aria-selected="true"] svg { opacity: 1; transform: none; }
.plat__index button:focus-visible { outline: 2px solid var(--sc-accent); outline-offset: 2px; }
@media (hover: hover) and (pointer: fine) { .plat__index button:hover b { color: var(--sc-ink); } }
.plat__panel { display: none; background: var(--sc-surface); border-radius: var(--sc-r-lg); padding: clamp(1.6rem, 4vw, 3rem); box-shadow: var(--sc-e3), var(--sc-edge); }
.plat__panel.is-on { display: grid; gap: 1.1rem; }
.plat__panel .kind { font-family: var(--sc-font-display); font-weight: 700; font-size: 0.8rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--sc-accent); }
.plat__panel h3 { font-size: clamp(2rem, 1.4rem + 2vw, 3rem); letter-spacing: -0.03em; }
.plat__panel p { color: var(--sc-ink-soft); line-height: 1.62; }
.plat__panel ul { margin: 0.3rem 0 0; padding: 0; list-style: none; display: grid; gap: 0.6rem; }
.plat__panel li { padding-left: 1.4rem; position: relative; line-height: 1.5; }
.plat__panel li::before { content: ""; position: absolute; left: 0; top: 0.62em; width: 0.55rem; height: 2px; background: var(--sc-accent); }
.plat__panel .acts { display: flex; flex-wrap: wrap; gap: 1.4rem; margin-top: 0.6rem; }
@media (max-width: 900px) {
  .plat { grid-template-columns: 1fr; }
  .plat__index { display: none; }
  .plat__panels { display: grid; gap: 1.2rem; }
  .plat__panel { display: grid; gap: 0.9rem; }
}