/*
 * kx — Knowledge indeX · página de projeto Setup.ia
 *
 * Direção de arte
 * - Paleta: near-black navy (--kx-bg #05070d) com superfícies em camadas;
 *   dois acentos, cada um com significado fixo:
 *     --kx-vec  #5ce1ff  via vetorial (semântica)
 *     --kx-lex  #d6ff3f  via lexical (BM25) — o ácido da marca Setup.ia
 *   Branco quente só para o resultado fundido. Nada de gradiente roxo.
 * - Tipografia: Bricolage Grotesque (display/texto) + JetBrains Mono (código,
 *   rótulos). Instrument Serif itálico só nos <em>, como nas demais páginas.
 * - Signature moment: seção pinada "Anatomia de uma busca" (vetorial + BM25 ->
 *   RRF -> recência -> dedup -> top-K), dirigida por scroll.
 * - Motion: power3.out (reveals), power4.out (entradas), expo.out (hero);
 *   durações 0.75–1.1s; scrub 1. Tokens replicados em kx.js.
 */

:root {
    --kx-bg: #05070d;
    --kx-bg-2: #080c16;
    --kx-surface: #0c1222;
    --kx-surface-2: #111a2e;
    --kx-line: rgba(214, 224, 255, .1);
    --kx-line-strong: rgba(214, 224, 255, .2);
    --kx-text: #e7eaf3;
    --kx-muted: #9aa3b8;
    --kx-dim: #6b7489;
    --kx-vec: #5ce1ff;
    --kx-lex: #d6ff3f;
    --kx-hot: #ff5a36;
    --kx-warm: #fff6e6;
    --kx-max: 1320px;
    --kx-gutter: clamp(16px, 3vw, 44px);
    --kx-radius: 14px;
    --kx-display: 'Bricolage Grotesque', system-ui, sans-serif;
    --kx-mono: 'JetBrains Mono', ui-monospace, monospace;
    --kx-serif: 'Instrument Serif', Georgia, serif;
}

* { box-sizing: border-box; }
html { background: var(--kx-bg); color-scheme: dark; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-stopped { overflow: hidden; }
body { margin: 0; min-width: 320px; overflow-x: hidden; color: var(--kx-text); background: var(--kx-bg); font-family: var(--kx-display); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
a { color: inherit; }
button { font: inherit; color: inherit; }
img, svg { display: block; }
code, pre, kbd { font-family: var(--kx-mono); }
em { font-family: var(--kx-serif); font-style: italic; font-weight: 400; letter-spacing: -.02em; }
:focus-visible { outline: 2px solid var(--kx-lex); outline-offset: 4px; border-radius: 4px; }
::selection { background: var(--kx-lex); color: var(--kx-bg); }
.shell { width: min(var(--kx-max), calc(100% - (var(--kx-gutter) * 2))); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip { position: absolute; left: 16px; top: -60px; z-index: 200; padding: 10px 14px; background: var(--kx-lex); color: var(--kx-bg); font: 600 .75rem/1 var(--kx-mono); text-decoration: none; }
.skip:focus { top: 16px; }

/* Estados iniciais só quando o motion vai rodar: sem JS/GSAP, tudo visível. */
.kx-motion [data-reveal] { opacity: 0; }

/* ---------- Preloader ---------- */
.preloader { position: fixed; inset: 0; z-index: 150; display: grid; place-items: center; background: var(--kx-bg); animation: preloader-failsafe .01s linear 2.6s forwards; }
.preloader__mark { display: grid; justify-items: center; gap: 22px; }
.preloader__kx { font: 800 clamp(3.2rem, 9vw, 5.5rem)/.8 var(--kx-display); letter-spacing: -.09em; }
.preloader__kx span { color: var(--kx-lex); }
.preloader__bar { width: 168px; height: 2px; overflow: hidden; background: var(--kx-line); }
.preloader__bar i { display: block; width: 100%; height: 100%; background: linear-gradient(90deg, var(--kx-vec), var(--kx-lex)); transform: scaleX(0); transform-origin: left; }
.preloader__label { color: var(--kx-dim); font: 500 .62rem/1 var(--kx-mono); letter-spacing: .16em; text-transform: uppercase; }
html:not(.kx-motion) .preloader { display: none; }
@keyframes preloader-failsafe { to { opacity: 0; visibility: hidden; } }

/* ---------- Nav ---------- */
.kx-nav { position: fixed; z-index: 90; inset: 0 0 auto; height: 68px; border-bottom: 1px solid transparent; transition: background .4s ease, border-color .4s ease; }
.kx-nav.is-solid { background: rgba(5, 7, 13, .78); border-color: var(--kx-line); backdrop-filter: blur(16px) saturate(1.2); -webkit-backdrop-filter: blur(16px) saturate(1.2); }
.kx-nav__inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; font-size: 1.08rem; font-weight: 800; letter-spacing: -.05em; }
.brand-mark { width: 27px; height: 27px; display: grid; place-items: center; border: 2px solid var(--kx-text); color: var(--kx-bg); background: var(--kx-lex); box-shadow: 4px 4px 0 var(--kx-text); font: 600 .56rem/1 var(--kx-mono); letter-spacing: -.04em; }
.brand__sep { color: var(--kx-dim); font-weight: 400; }
.brand__kx { color: var(--kx-text); }
.kx-nav__links { display: flex; align-items: center; gap: 4px; }
.kx-nav__links a:not(.star) { padding: 9px 12px; border-radius: 999px; color: var(--kx-muted); font: 500 .68rem/1 var(--kx-mono); letter-spacing: .06em; text-transform: uppercase; text-decoration: none; transition: color .25s ease, background .25s ease; }
.kx-nav__links a:not(.star):hover { color: var(--kx-text); background: rgba(255, 255, 255, .05); }
.kx-nav__links .star { margin-left: 10px; }

/* ---------- Botão de estrela do GitHub ---------- */
.star { --star-h: 40px; position: relative; display: inline-flex; align-items: stretch; height: var(--star-h); border: 1px solid var(--kx-line-strong); border-radius: 999px; overflow: hidden; color: var(--kx-text); background: rgba(12, 18, 34, .7); text-decoration: none; font: 600 .74rem/1 var(--kx-mono); letter-spacing: .02em; transition: border-color .3s ease, box-shadow .3s ease, background .3s ease; will-change: transform; }
.star:hover { border-color: rgba(214, 255, 63, .55); box-shadow: 0 0 0 4px rgba(214, 255, 63, .08), 0 10px 40px -12px rgba(214, 255, 63, .45); }
.star__main { display: inline-flex; align-items: center; gap: 9px; padding: 0 15px 0 13px; }
.star__icon { width: 17px; height: 17px; color: var(--kx-lex); transition: transform .5s cubic-bezier(.16, 1, .3, 1); }
.star__icon path { fill: transparent; stroke: currentColor; stroke-width: 1.6; stroke-linejoin: round; transition: fill .3s ease; }
.star:hover .star__icon { transform: rotate(72deg) scale(1.12); }
.star:hover .star__icon path { fill: currentColor; }
.star__gh { width: 16px; height: 16px; opacity: .85; }
.star__count { display: inline-flex; align-items: center; min-width: 46px; justify-content: center; padding: 0 13px; border-left: 1px solid var(--kx-line-strong); color: var(--kx-lex); background: rgba(214, 255, 63, .06); font-variant-numeric: tabular-nums; }
.star__count[hidden] { display: none; }
.star--xl { --star-h: 58px; font-size: .92rem; }
.star--xl .star__main { gap: 12px; padding: 0 22px 0 20px; }
.star--xl .star__icon { width: 22px; height: 22px; }
.star--xl .star__count { min-width: 64px; padding: 0 20px; }

.btn { display: inline-flex; align-items: center; gap: 10px; height: 48px; padding: 0 20px; border: 1px solid var(--kx-line-strong); border-radius: 999px; color: var(--kx-text); text-decoration: none; font: 600 .74rem/1 var(--kx-mono); letter-spacing: .04em; text-transform: uppercase; transition: border-color .3s ease, background .3s ease, color .3s ease; }
.btn:hover { border-color: var(--kx-text); background: rgba(255, 255, 255, .04); }
.btn--solid { border-color: var(--kx-text); color: var(--kx-bg); background: var(--kx-text); }
.btn--solid:hover { background: var(--kx-warm); color: var(--kx-bg); }
.btn svg { width: 16px; height: 16px; }

/* ---------- Tipografia base de seção ---------- */
.eyebrow { display: inline-flex; align-items: center; gap: 12px; margin: 0 0 24px; color: var(--kx-muted); font: 500 .68rem/1 var(--kx-mono); letter-spacing: .14em; text-transform: uppercase; }
.eyebrow::before { content: ''; width: 28px; height: 1px; background: currentColor; opacity: .6; }
.eyebrow b { color: var(--kx-lex); font-weight: 600; }
.h2 { max-width: 16ch; margin: 0; font-size: clamp(2.5rem, 5.6vw, 5.2rem); line-height: .96; letter-spacing: -.035em; word-spacing: .04em; font-weight: 700; text-wrap: balance; }
.h2 em { color: var(--kx-lex); }
.lede { max-width: 60ch; margin: 26px 0 0; color: var(--kx-muted); font-size: clamp(1.02rem, 1.35vw, 1.2rem); line-height: 1.65; }
.lede strong { color: var(--kx-text); font-weight: 600; }
.section { position: relative; padding: clamp(96px, 14vw, 180px) 0; }
.section + .section { border-top: 1px solid var(--kx-line); }
.inline-code { padding: 2px 7px; border: 1px solid var(--kx-line); border-radius: 6px; color: var(--kx-text); background: rgba(255, 255, 255, .04); font-size: .86em; }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 100vh; min-height: 100svh; display: flex; align-items: center; padding: 120px 0 90px; overflow: hidden; isolation: isolate; }
.hero__field { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; }
.hero__veil { position: absolute; inset: 0; z-index: -1; pointer-events: none; background: radial-gradient(ellipse 60% 55% at 72% 42%, transparent, rgba(5, 7, 13, .72) 70%), linear-gradient(180deg, rgba(5, 7, 13, .1), var(--kx-bg) 96%); }
.hero__grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: clamp(32px, 5vw, 80px); align-items: center; }
.hero__kicker { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 30px; }
.chip { display: inline-flex; align-items: center; gap: 8px; padding: 7px 11px; border: 1px solid var(--kx-line-strong); border-radius: 999px; color: var(--kx-muted); background: rgba(5, 7, 13, .5); font: 500 .62rem/1 var(--kx-mono); letter-spacing: .08em; text-transform: uppercase; }
.chip i { width: 6px; height: 6px; border-radius: 50%; background: var(--kx-lex); box-shadow: 0 0 12px var(--kx-lex); }
.hero h1 { margin: 0; font-size: clamp(3.1rem, 7.4vw, 7.4rem); line-height: .9; letter-spacing: -.045em; word-spacing: .05em; font-weight: 700; }
.hero h1 .line { display: block; overflow: hidden; padding-bottom: .06em; margin-bottom: -.06em; }
.hero h1 .line > span { display: inline-block; }
.hero h1 em { color: var(--kx-lex); letter-spacing: -.02em; }
.hero__sub { max-width: 54ch; margin: 30px 0 0; color: var(--kx-muted); font-size: clamp(1.02rem, 1.3vw, 1.18rem); line-height: 1.65; }
.hero__sub strong { color: var(--kx-text); font-weight: 600; }
.hero__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 38px; }
.hero__compat { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; margin-top: 34px; color: var(--kx-dim); font: 500 .66rem/1.5 var(--kx-mono); letter-spacing: .06em; text-transform: uppercase; }
.hero__compat span { color: var(--kx-muted); }
.scroll-cue { position: absolute; left: 50%; bottom: 26px; display: grid; justify-items: center; gap: 10px; color: var(--kx-dim); text-decoration: none; font: 500 .58rem/1 var(--kx-mono); letter-spacing: .2em; text-transform: uppercase; transform: translateX(-50%); }
.scroll-cue i { width: 1px; height: 44px; overflow: hidden; background: var(--kx-line); position: relative; }
.scroll-cue i::after { content: ''; position: absolute; left: 0; top: -44px; width: 1px; height: 44px; background: var(--kx-lex); animation: cue 2.2s cubic-bezier(.65, 0, .35, 1) infinite; }
@keyframes cue { to { transform: translateY(88px); } }

/* Terminal */
.term { position: relative; border: 1px solid var(--kx-line-strong); border-radius: var(--kx-radius); overflow: hidden; background: linear-gradient(180deg, rgba(17, 26, 46, .92), rgba(8, 12, 22, .94)); box-shadow: 0 40px 120px -40px rgba(0, 0, 0, .9), 0 0 0 1px rgba(255, 255, 255, .02) inset, 0 -30px 80px -50px rgba(92, 225, 255, .25); backdrop-filter: blur(6px); }
.term__bar { display: flex; align-items: center; gap: 7px; height: 40px; padding: 0 14px; border-bottom: 1px solid var(--kx-line); }
.term__bar i { width: 10px; height: 10px; border-radius: 50%; background: rgba(255, 255, 255, .12); }
.term__bar span { margin-left: 10px; color: var(--kx-dim); font: 500 .66rem/1 var(--kx-mono); }
.term__body { margin: 0; padding: 20px 20px 22px; overflow-x: auto; color: var(--kx-muted); font: 400 clamp(.64rem, .82vw, .76rem)/1.72 var(--kx-mono); white-space: pre; tab-size: 2; }
.term__body .p { color: var(--kx-lex); }
.term__body .c { color: var(--kx-text); }
.term__body .s { color: var(--kx-warm); }
.term__body .n { color: var(--kx-vec); }
.term__body .t-both { color: var(--kx-warm); }
.term__body .t-lex { color: var(--kx-lex); }
.term__body .d { color: var(--kx-dim); }
.term__caret { display: inline-block; width: .6em; height: 1.1em; margin-left: 2px; vertical-align: -.2em; background: var(--kx-lex); animation: caret 1s steps(1) infinite; }
@keyframes caret { 50% { opacity: 0; } }
.term__note { display: flex; justify-content: space-between; gap: 12px; padding: 11px 20px; border-top: 1px solid var(--kx-line); color: var(--kx-dim); font: 500 .6rem/1.4 var(--kx-mono); letter-spacing: .06em; text-transform: uppercase; }

/* ---------- Problema ---------- */
.problem__head { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: end; }
.problem__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 72px; border: 1px solid var(--kx-line); border-radius: var(--kx-radius); overflow: hidden; background: var(--kx-line); }
.pain { position: relative; padding: clamp(26px, 3vw, 40px); background: var(--kx-bg-2); }
.pain__n { color: var(--kx-hot); font: 600 .66rem/1 var(--kx-mono); letter-spacing: .1em; }
.pain h3 { margin: 42px 0 14px; font-size: clamp(1.4rem, 2vw, 1.8rem); line-height: 1.08; letter-spacing: -.03em; }
.pain p { margin: 0; color: var(--kx-muted); line-height: 1.62; }
.pain__proof { display: block; margin-top: 26px; padding-top: 16px; border-top: 1px dashed var(--kx-line-strong); color: var(--kx-text); font: 500 .72rem/1.55 var(--kx-mono); }

/* ---------- Solução / números ---------- */
.solution__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: clamp(40px, 6vw, 96px); align-items: start; }
.recall { padding: clamp(24px, 3vw, 38px); border: 1px solid var(--kx-line-strong); border-radius: var(--kx-radius); background: linear-gradient(160deg, rgba(17, 26, 46, .8), rgba(5, 7, 13, .6)); }
.recall__label { display: flex; justify-content: space-between; gap: 12px; color: var(--kx-muted); font: 500 .66rem/1.4 var(--kx-mono); letter-spacing: .08em; text-transform: uppercase; }
.recall__row { display: grid; grid-template-columns: 116px 1fr 64px; gap: 16px; align-items: center; margin-top: 26px; font: 500 .74rem/1 var(--kx-mono); }
.recall__row span:first-child { color: var(--kx-muted); }
.recall__track { position: relative; height: 34px; display: grid; grid-template-columns: repeat(20, 1fr); gap: 3px; }
.recall__track i { border-radius: 3px; background: rgba(255, 255, 255, .05); }
.recall__track i.on { background: var(--kx-vec); }
.recall__row--hyb .recall__track i.on { background: var(--kx-lex); box-shadow: 0 0 14px -2px rgba(214, 255, 63, .6); }
.recall__val { text-align: right; font-size: 1.05rem; font-weight: 600; font-variant-numeric: tabular-nums; }
.recall__row--hyb .recall__val { color: var(--kx-lex); }
.metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 22px; border: 1px solid var(--kx-line); border-radius: var(--kx-radius); overflow: hidden; background: var(--kx-line); }
.metric { padding: 22px 20px; background: var(--kx-bg-2); }
.metric b { display: block; font-size: clamp(1.9rem, 3vw, 2.6rem); line-height: 1; letter-spacing: -.05em; font-weight: 700; font-variant-numeric: tabular-nums; }
.metric b small { margin-left: 3px; color: var(--kx-muted); font-size: .45em; letter-spacing: 0; font-weight: 500; }
.metric span { display: block; margin-top: 10px; color: var(--kx-muted); font: 500 .62rem/1.45 var(--kx-mono); letter-spacing: .05em; text-transform: uppercase; }
.fine { margin: 18px 0 0; color: var(--kx-dim); font: 400 .68rem/1.6 var(--kx-mono); }

/* ---------- Signature: anatomia da busca ---------- */
.fusion { position: relative; padding: clamp(96px, 12vw, 150px) 0 0; border-top: 1px solid var(--kx-line); background: radial-gradient(ellipse 50% 40% at 50% 60%, rgba(92, 225, 255, .06), transparent 70%), var(--kx-bg); }
.fusion__intro { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: end; }
.fusion__pin { position: relative; }
.fx { position: relative; min-height: 100vh; min-height: 100svh; display: flex; flex-direction: column; justify-content: center; padding: 92px 0 40px; }
.fx__top { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 26px; }
.fx__query { display: inline-flex; align-items: center; gap: 12px; padding: 12px 16px; border: 1px solid var(--kx-line-strong); border-radius: 12px; background: var(--kx-surface); font: 500 .86rem/1 var(--kx-mono); }
.fx__query .p { color: var(--kx-lex); }
.fx__query .q { color: var(--kx-warm); }
.fx__steps { display: flex; gap: 6px; margin: 0; padding: 0; list-style: none; }
.fx__steps li { display: flex; align-items: center; gap: 8px; padding: 8px 11px; border: 1px solid var(--kx-line); border-radius: 999px; color: var(--kx-dim); font: 500 .6rem/1 var(--kx-mono); letter-spacing: .06em; text-transform: uppercase; transition: color .35s ease, border-color .35s ease, background .35s ease; }
.fx__steps li b { font-weight: 600; }
.fx__steps li.is-active { color: var(--kx-bg); border-color: var(--kx-lex); background: var(--kx-lex); }
.fx__steps li.is-done { color: var(--kx-text); border-color: var(--kx-line-strong); }
.fx__stage { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr) minmax(0, 1fr); gap: clamp(14px, 2vw, 28px); align-items: start; }
.lane { border: 1px solid var(--kx-line); border-radius: var(--kx-radius); background: rgba(12, 18, 34, .6); overflow: hidden; }
.lane__head { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; padding: 14px 16px; border-bottom: 1px solid var(--kx-line); }
.lane__head h3 { margin: 0; font-size: 1rem; letter-spacing: -.02em; }
.lane__head span { color: var(--kx-dim); font: 500 .6rem/1 var(--kx-mono); letter-spacing: .06em; text-transform: uppercase; }
.lane--vec .lane__head h3 { color: var(--kx-vec); }
.lane--lex .lane__head h3 { color: var(--kx-lex); }
.lane ol { margin: 0; padding: 8px; list-style: none; }
.hit { position: relative; display: grid; grid-template-columns: 26px 1fr; gap: 8px; align-items: center; padding: 9px 10px; border-radius: 8px; font: 500 .7rem/1.35 var(--kx-mono); }
.hit + .hit { margin-top: 2px; }
.hit__r { color: var(--kx-dim); font-variant-numeric: tabular-nums; }
.hit__p { overflow: hidden; color: var(--kx-text); text-overflow: ellipsis; white-space: nowrap; }
.hit__p small { display: block; margin-top: 2px; color: var(--kx-dim); font-size: .92em; }
.lane--vec .hit { background: linear-gradient(90deg, rgba(92, 225, 255, .08), transparent 70%); }
.lane--lex .hit { background: linear-gradient(90deg, rgba(214, 255, 63, .07), transparent 70%); }
.hit--miss { border: 1px dashed rgba(255, 90, 54, .55); background: rgba(255, 90, 54, .06) !important; }
.hit--miss .hit__r { color: var(--kx-hot); }
.hit--miss .hit__p { color: var(--kx-hot); }
.hit--dup .dup-tag { display: inline-block; margin-left: 6px; padding: 1px 5px; border: 1px solid var(--kx-line-strong); border-radius: 4px; color: var(--kx-muted); font-size: .85em; }
.hit--dup.is-dropped .hit__p { text-decoration: line-through; text-decoration-color: var(--kx-hot); color: var(--kx-dim); }
.hit--dup.is-dropped { opacity: .45; }

.core { position: relative; padding: 16px; border: 1px solid var(--kx-line-strong); border-radius: var(--kx-radius); background: linear-gradient(180deg, rgba(17, 26, 46, .95), rgba(8, 12, 22, .95)); box-shadow: 0 30px 90px -40px rgba(0, 0, 0, .9); }
.core__formula { display: grid; gap: 8px; padding: 14px; border: 1px solid var(--kx-line); border-radius: 10px; background: rgba(5, 7, 13, .6); }
.core__formula-label { color: var(--kx-dim); font: 500 .6rem/1 var(--kx-mono); letter-spacing: .08em; text-transform: uppercase; }
.core__formula code { color: var(--kx-text); font-size: clamp(.7rem, .95vw, .86rem); white-space: nowrap; overflow-x: auto; }
.core__wait { position: absolute; inset: 0; display: grid; place-items: center; align-content: center; gap: 12px; color: var(--kx-dim); font: 500 .66rem/1.5 var(--kx-mono); letter-spacing: .1em; text-transform: uppercase; pointer-events: none; }
.core__wait i { width: 38px; height: 38px; border: 1px solid var(--kx-line-strong); border-top-color: var(--kx-lex); border-radius: 50%; animation: spin 1.2s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.core__wait { opacity: 0; }
.kx-motion .core__wait { opacity: 1; }
@media (max-width: 980px) { .core__wait { display: none; } }
.core__formula code .v { color: var(--kx-vec); }
.core__formula code .l { color: var(--kx-lex); }
.core__mods { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 8px; }
.mod { padding: 10px 12px; border: 1px solid var(--kx-line); border-radius: 10px; font: 500 .64rem/1.45 var(--kx-mono); color: var(--kx-muted); }
.mod b { display: block; margin-bottom: 4px; color: var(--kx-text); font-weight: 600; }
.core__list { margin: 12px 0 0; padding: 0; list-style: none; }
.res { display: grid; grid-template-columns: 22px 1fr auto; gap: 10px; align-items: center; padding: 10px 11px; border-radius: 9px; font: 500 .7rem/1.35 var(--kx-mono); background: rgba(255, 255, 255, .025); }
.res + .res { margin-top: 5px; }
.res__r { color: var(--kx-dim); }
.res__p { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--kx-warm); }
.res__p small { display: block; margin-top: 3px; color: var(--kx-dim); font-size: .92em; white-space: normal; }
.res__s { color: var(--kx-text); font-variant-numeric: tabular-nums; text-align: right; }
.tag { display: inline-block; padding: 2px 6px; border-radius: 4px; font-size: .9em; }
.tag--both { color: var(--kx-bg); background: var(--kx-warm); }
.tag--lex { color: var(--kx-bg); background: var(--kx-lex); }
.tag--vec { color: var(--kx-bg); background: var(--kx-vec); }
.res--star { box-shadow: 0 0 0 1px rgba(214, 255, 63, .45) inset; background: rgba(214, 255, 63, .06); }
.fx__caption { display: flex; justify-content: space-between; gap: 20px; margin-top: 22px; color: var(--kx-dim); font: 400 .66rem/1.6 var(--kx-mono); }
.fx__caption p { margin: 0; max-width: 70ch; }
.fx__narr { min-height: 3.2em; margin: 0; color: var(--kx-text); font-size: clamp(1rem, 1.4vw, 1.2rem); line-height: 1.5; }
.fx__narr span { color: var(--kx-lex); }

/* ---------- Como funciona ---------- */
.flow { position: relative; display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 0; margin-top: 76px; }
.node { position: relative; padding: 22px 18px 24px; border: 1px solid var(--kx-line); border-radius: var(--kx-radius); background: var(--kx-bg-2); }
.node + .node { margin-left: 22px; }
.node + .node::before { content: ''; position: absolute; top: 44px; right: 100%; width: 22px; height: 1px; background: linear-gradient(90deg, var(--kx-vec), var(--kx-lex)); transform-origin: left; transform: scaleX(var(--link, 1)); }
.node__n { color: var(--kx-dim); font: 600 .6rem/1 var(--kx-mono); letter-spacing: .1em; }
.node h3 { margin: 26px 0 10px; font-size: 1.12rem; line-height: 1.1; letter-spacing: -.03em; }
.node p { margin: 0; color: var(--kx-muted); font-size: .88rem; line-height: 1.55; }
.node code { display: block; margin-top: 14px; color: var(--kx-text); font-size: .66rem; line-height: 1.6; word-break: break-word; }
.node--db { border-color: rgba(214, 255, 63, .35); background: linear-gradient(180deg, rgba(214, 255, 63, .06), var(--kx-bg-2) 60%); }
.node--agent { border-color: rgba(92, 225, 255, .35); background: linear-gradient(180deg, rgba(92, 225, 255, .07), var(--kx-bg-2) 60%); }
.pulse { position: absolute; left: 0; right: 0; top: 44px; height: 1px; pointer-events: none; }
.pulse i { position: absolute; top: -2px; left: 0; width: 5px; height: 5px; border-radius: 50%; background: var(--kx-lex); box-shadow: 0 0 12px var(--kx-lex); opacity: 0; }

/* ---------- Features ---------- */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 72px; }
.feat { --mx: 50%; --my: 50%; position: relative; padding: clamp(24px, 2.6vw, 34px); border: 1px solid var(--kx-line); border-radius: var(--kx-radius); background: var(--kx-bg-2); overflow: hidden; isolation: isolate; transition: border-color .4s ease; }
.feat::before { content: ''; position: absolute; inset: 0; z-index: -1; opacity: 0; background: radial-gradient(360px circle at var(--mx) var(--my), rgba(214, 255, 63, .09), transparent 60%); transition: opacity .4s ease; }
.feat:hover { border-color: var(--kx-line-strong); }
.feat:hover::before { opacity: 1; }
.feat__icon { width: 44px; height: 44px; color: var(--kx-lex); }
.feat__icon * { fill: none; stroke: currentColor; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.feat h3 { margin: 30px 0 12px; font-size: 1.3rem; letter-spacing: -.035em; line-height: 1.1; }
.feat p { margin: 0; color: var(--kx-muted); line-height: 1.62; font-size: .96rem; }
.feat code { display: inline-block; margin-top: 18px; color: var(--kx-text); font-size: .7rem; }

/* ---------- Tools MCP ---------- */
.tools { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 72px; }
.toolset { display: flex; flex-direction: column; border: 1px solid var(--kx-line); border-radius: var(--kx-radius); background: var(--kx-bg-2); overflow: hidden; }
.toolset__head { padding: 22px 22px 18px; border-bottom: 1px solid var(--kx-line); }
.toolset__head span { color: var(--kx-dim); font: 500 .6rem/1 var(--kx-mono); letter-spacing: .1em; text-transform: uppercase; }
.toolset__head h3 { margin: 12px 0 6px; font-size: 1.4rem; letter-spacing: -.04em; }
.toolset__head p { margin: 0; color: var(--kx-muted); font-size: .9rem; line-height: 1.5; }
.toolset ul { margin: 0; padding: 10px; list-style: none; }
.tool { display: grid; gap: 6px; padding: 13px 12px; border-radius: 9px; transition: background .25s ease; }
.tool:hover { background: rgba(255, 255, 255, .03); }
.tool code { color: var(--kx-text); font-size: .78rem; font-weight: 600; }
.tool code::before { content: '› '; color: var(--kx-lex); }
.toolset--core .tool code::before { color: var(--kx-vec); }
.tool span { color: var(--kx-muted); font-size: .86rem; line-height: 1.5; }
.tools__note { margin-top: 22px; color: var(--kx-dim); font: 400 .7rem/1.6 var(--kx-mono); }

/* ---------- Config ---------- */
.config__grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(36px, 5vw, 80px); align-items: start; }
.config__list { margin: 36px 0 0; padding: 0; list-style: none; counter-reset: step; }
.config__list li { position: relative; padding: 16px 0 16px 46px; border-top: 1px solid var(--kx-line); color: var(--kx-muted); line-height: 1.55; counter-increment: step; }
.config__list li::before { content: counter(step, decimal-leading-zero); position: absolute; left: 0; top: 17px; color: var(--kx-lex); font: 600 .7rem/1.4 var(--kx-mono); }
.config__list li strong { color: var(--kx-text); font-weight: 600; }
.code { border: 1px solid var(--kx-line-strong); border-radius: var(--kx-radius); background: var(--kx-surface); overflow: hidden; }
.code__tabs { display: flex; align-items: center; gap: 2px; padding: 6px; border-bottom: 1px solid var(--kx-line); overflow-x: auto; }
.code__tab { flex: none; padding: 9px 12px; border: 0; border-radius: 8px; color: var(--kx-dim); background: transparent; font: 500 .68rem/1 var(--kx-mono); cursor: pointer; transition: color .25s ease, background .25s ease; }
.code__tab:hover { color: var(--kx-text); }
.code__tab[aria-selected="true"] { color: var(--kx-text); background: rgba(255, 255, 255, .07); }
.code__copy { flex: none; margin-left: auto; padding: 9px 12px; border: 1px solid var(--kx-line); border-radius: 8px; color: var(--kx-muted); background: transparent; font: 500 .64rem/1 var(--kx-mono); cursor: pointer; }
.code__copy:hover { color: var(--kx-text); border-color: var(--kx-line-strong); }
.code__panel { margin: 0; padding: 22px; overflow-x: auto; color: var(--kx-muted); font: 400 .78rem/1.75 var(--kx-mono); white-space: pre; }
.code__panel[hidden] { display: none; }
.code__panel .k { color: var(--kx-vec); }
.code__panel .s { color: var(--kx-warm); }
.code__panel .p { color: var(--kx-lex); }
.code__panel .d { color: var(--kx-dim); }
.code__foot { padding: 12px 22px; border-top: 1px solid var(--kx-line); color: var(--kx-dim); font: 500 .62rem/1.5 var(--kx-mono); letter-spacing: .04em; }

/* ---------- Honestidade ---------- */
.fit { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 72px; }
.fit__col { padding: clamp(24px, 2.6vw, 34px); border: 1px solid var(--kx-line); border-radius: var(--kx-radius); background: var(--kx-bg-2); }
.fit__col h3 { display: flex; align-items: center; gap: 10px; margin: 0 0 20px; font-size: 1.2rem; letter-spacing: -.03em; }
.fit__col h3 i { width: 9px; height: 9px; border-radius: 2px; }
.fit__col--yes h3 i { background: var(--kx-lex); }
.fit__col--rg h3 i { background: var(--kx-vec); }
.fit__col--no h3 i { background: var(--kx-hot); }
.fit__col ul { margin: 0; padding: 0; list-style: none; }
.fit__col li { padding: 12px 0; border-top: 1px solid var(--kx-line); color: var(--kx-muted); line-height: 1.55; font-size: .95rem; }
.audience { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }

/* ---------- CTA final ---------- */
.final { position: relative; padding: clamp(96px, 9vw, 128px) 0 clamp(70px, 9vw, 110px); border-top: 1px solid var(--kx-line); overflow: hidden; text-align: center; isolation: isolate; }
.final::before { content: ''; position: absolute; left: 50%; top: 58%; z-index: -1; width: min(1100px, 120vw); aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, rgba(214, 255, 63, .1), rgba(92, 225, 255, .05) 40%, transparent 68%); transform: translate(-50%, -50%); }
.final__kx { margin: 0 auto; font: 800 clamp(6rem, 18vw, 15rem)/.8 var(--kx-display); letter-spacing: -.08em; color: transparent; -webkit-text-stroke: 1px rgba(231, 234, 243, .22); user-select: none; }
.final__kx span { -webkit-text-stroke: 0; color: var(--kx-lex); }
.final h2 { max-width: 20ch; margin: -.2em auto 0; font-size: clamp(2rem, 4.4vw, 3.8rem); line-height: 1.02; letter-spacing: -.035em; word-spacing: .04em; text-wrap: balance; }
.final h2 em { color: var(--kx-lex); }
.final p { max-width: 56ch; margin: 22px auto 0; color: var(--kx-muted); line-height: 1.65; }
.final__actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 40px; }
.final__meta { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 22px; margin-top: 40px; color: var(--kx-dim); font: 500 .64rem/1.5 var(--kx-mono); letter-spacing: .08em; text-transform: uppercase; }

.kx-footer { padding: 40px 0; border-top: 1px solid var(--kx-line); }
.kx-footer__inner { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 20px; }
.kx-footer p { margin: 8px 0 0; color: var(--kx-dim); font-size: .86rem; }
.kx-footer nav { display: flex; flex-wrap: wrap; gap: 18px; }
.kx-footer nav a { color: var(--kx-muted); font: 500 .66rem/1 var(--kx-mono); letter-spacing: .06em; text-transform: uppercase; text-decoration: none; }
.kx-footer nav a:hover { color: var(--kx-text); }

/* ---------- Responsivo ---------- */
@media (max-width: 1100px) {
    .flow { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
    .node + .node { margin-left: 0; }
    .node + .node::before { display: none; }
    .pulse { display: none; }
    .kx-nav__links a:not(.star):not(.nav-gh) { display: none; }
}
@media (max-width: 980px) {
    .hero__grid, .solution__grid, .config__grid, .problem__head, .fusion__intro { grid-template-columns: 1fr; }
    .hero { padding-top: 110px; }
    .problem__grid, .features, .tools, .fit { grid-template-columns: 1fr; }
    .fx { min-height: 0; padding-top: 48px; }
    .fx__top { flex-direction: column; align-items: flex-start; }
    .fx__steps { flex-wrap: wrap; }
    .fx__stage { grid-template-columns: 1fr; }
    .fx__caption { flex-direction: column; }
}
@media (max-width: 640px) {
    .flow { grid-template-columns: 1fr; }
    .metrics { grid-template-columns: 1fr 1fr; }
    .metric:last-child { grid-column: 1 / -1; }
    .recall__row { grid-template-columns: 84px 1fr 48px; gap: 10px; }
    .term__body { font-size: .66rem; padding: 16px; }
    .brand > span:not(.brand-mark) { display: none; }
    .brand > span.brand__kx { display: inline; }
    .star__main span.star__label { display: none; }
    .star--xl .star__main span.star__label { display: inline; }
    .scroll-cue { display: none; }
    .fx__query { font-size: .74rem; }
    .code__panel { font-size: .68rem; padding: 16px; }
}
@media (prefers-reduced-motion: reduce) {
    .kx-motion [data-reveal] { opacity: 1; }
    .preloader { display: none; }
    .scroll-cue i::after, .term__caret { animation: none; }
    .star__icon, .star:hover .star__icon { transition: none; transform: none; }
    * { scroll-behavior: auto !important; }
}