/* Site do Arca. Tokens do app (docs/redesign/arca.css do repo arca). */
:root {
  color-scheme: dark;
  --bg0: #0a0c10; --bg1: #0f1218; --bg2: #151921; --bg3: #1c212b;
  --line: rgba(255,255,255,.07); --line2: rgba(255,255,255,.14);
  --text: #e7ebf1; --text2: #9ba5b4; --text3: #8591a3;
  --accent: #8ec9ff; --accent-ink: #06121f; --accent-bg: rgba(142,201,255,.12); --accent-line: rgba(142,201,255,.35);
  --ok: #62d69c; --ok-bg: rgba(98,214,156,.12);
  --warn: #f3b94d; --warn-bg: rgba(243,185,77,.13);
  --bad: #ff7373; --bad-bg: rgba(255,115,115,.12);
  --r1: 6px; --r2: 10px; --r3: 14px;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", "DejaVu Sans Mono", ui-monospace, Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body { margin: 0; background: var(--bg0); color: var(--text); font: 16px/1.65 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }
code, kbd, pre { font-family: var(--mono); }
code { font-size: .88em; background: var(--bg3); border: 1px solid var(--line); border-radius: 5px; padding: 1px 6px; }
kbd { font-size: .8em; border: 1px solid var(--line2); border-radius: 5px; padding: 0 6px; color: var(--text2); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

.wrap, .band > .wrap, main > section.wrap { max-width: 1040px; margin: 0 auto; padding: 88px 24px; }
main > section.wrap { padding-top: 88px; padding-bottom: 88px; }
.band { background: var(--bg1); border-block: 1px solid var(--line); }
h1, h2, h3 { line-height: 1.15; letter-spacing: -.02em; margin: 0; }
h2 { font-size: clamp(28px, 4vw, 38px); margin-bottom: 14px; }
h3 { font-size: 18px; margin-bottom: 8px; letter-spacing: -.01em; }
h3.mt { margin-top: 56px; font-size: 22px; }
.sub { color: var(--text2); max-width: 66ch; margin: 0 0 28px; }
.eyebrow { font: 500 12px var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--text3); margin: 0 0 18px; }
.accent { color: var(--accent); }
.note { color: var(--text3); font-size: 14px; }

/* topo */
.nav { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 28px; padding: 12px 24px; background: rgba(10,12,16,.82); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.nav nav { display: flex; gap: 22px; margin-left: auto; }
.nav nav a { color: var(--text2); font-size: 14px; }
.nav nav a:hover { color: var(--text); text-decoration: none; }

.btn { display: inline-flex; align-items: center; padding: 10px 20px; border-radius: var(--r2); font-weight: 600; font-size: 15px; border: 1px solid var(--line2); color: var(--text); }
.btn:hover { text-decoration: none; background: var(--bg3); }
.btn-primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn-primary:hover { background: #a6d4ff; }
.nav .btn { padding: 6px 14px; font-size: 14px; }

/* hero */
.hero { position: relative; overflow: hidden; padding: clamp(200px, 22vw, 290px) 24px 72px; }
.hero #bg { position: absolute; inset: 0; width: 100%; height: 100%; display: block; pointer-events: none; }
.hero-in { position: relative; max-width: 1040px; margin: 0 auto; }
.hero-copy { width: fit-content; max-width: 100%; }
.hero h1 { font-size: clamp(36px, 6.4vw, 66px); margin-bottom: 22px; }
.lead { font-size: clamp(17px, 2vw, 20px); color: var(--text2); max-width: 60ch; margin: 0 0 32px; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 56px; }

.term { background: var(--bg2); border: 1px solid var(--line2); border-radius: var(--r3); overflow: hidden; box-shadow: 0 24px 60px rgba(0,0,0,.5); }
.term-bar { display: flex; align-items: center; gap: 7px; padding: 10px 14px; border-bottom: 1px solid var(--line); background: var(--bg1); font: 12px var(--mono); color: var(--text3); }
.term-bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--bg3); border: 1px solid var(--line2); }
.term-bar span { margin-left: 8px; }
pre { margin: 0; padding: 18px 20px; overflow-x: auto; font-size: 14px; line-height: 1.7; }
.p { color: var(--accent); user-select: none; }
.ok { color: var(--ok); }
.red { color: var(--bad); }
.dim { color: var(--text3); }

/* cartões */
.cols3 { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 16px; }
.cols2 { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; margin-top: 16px; }
.card { background: var(--bg2); border: 1px solid var(--line); border-radius: var(--r3); padding: 22px; }
.card p { margin: 0; color: var(--text2); font-size: 15px; }
.card.bad { border-color: rgba(255,115,115,.22); }
.card.good { border-color: var(--accent-line); background: linear-gradient(180deg, var(--accent-bg), var(--bg2)); }
.feat .card { transition: border-color .15s; }
.feat .card:hover { border-color: var(--line2); }
.tag { display: inline-block; font: 600 11px var(--mono); letter-spacing: .08em; text-transform: uppercase; padding: 2px 9px; border-radius: 999px; margin-bottom: 12px; }
.t-ok { background: var(--ok-bg); color: var(--ok); }
.t-warn { background: var(--warn-bg); color: var(--warn); }
.t-bad { background: var(--bad-bg); color: var(--bad); }

/* passos */
.steps { counter-reset: s; list-style: none; padding: 0; margin: 28px 0 0; display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; }
.steps li { counter-increment: s; position: relative; background: var(--bg2); border: 1px solid var(--line); border-radius: var(--r3); padding: 22px 22px 22px 68px; color: var(--text2); font-size: 15px; }
.steps li::before { content: counter(s); position: absolute; left: 22px; top: 20px; width: 32px; height: 32px; display: grid; place-items: center; border-radius: 50%; background: var(--accent-bg); border: 1px solid var(--accent-line); color: var(--accent); font: 600 14px var(--mono); }
.steps b { color: var(--text); }

/* imagens */
.shot { margin: 0; }
.shot img { border: 1px solid var(--line2); border-radius: var(--r3); box-shadow: 0 16px 48px rgba(0,0,0,.45); }
.shot figcaption { color: var(--text3); font-size: 14px; margin-top: 10px; }

/* tabela */
.tablewrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r3); background: var(--bg2); }
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { text-align: left; padding: 14px 18px; border-bottom: 1px solid var(--line); vertical-align: top; }
tbody tr:last-child th, tbody tr:last-child td { border-bottom: 0; }
thead th { color: var(--text3); font: 500 12px var(--mono); letter-spacing: .12em; text-transform: uppercase; }
tbody th { color: var(--text); font-weight: 600; white-space: nowrap; }
td { color: var(--text2); }
td:last-child { color: var(--text); background: var(--accent-bg); }

/* lista */
.checks { list-style: none; padding: 0; margin: 0 0 28px; display: grid; gap: 10px; max-width: 70ch; }
.checks li { position: relative; padding-left: 28px; color: var(--text2); }
.checks li::before { content: "✓"; position: absolute; left: 0; color: var(--ok); font-weight: 700; }

/* código com copiar */
.code { position: relative; background: var(--bg2); border: 1px solid var(--line2); border-radius: var(--r2); margin: 0 0 22px; }
.code pre { padding-right: 96px; }
.copy { position: absolute; top: 10px; right: 10px; font: 600 12px var(--sans); padding: 5px 12px; border-radius: var(--r1); background: var(--bg3); border: 1px solid var(--line2); color: var(--text2); cursor: pointer; }
.copy:hover { color: var(--text); }

.foot { max-width: 1040px; margin: 0 auto; padding: 56px 24px 72px; color: var(--text3); font-size: 14px; display: grid; gap: 6px; }
.foot p { margin: 0; }

@media (max-width: 820px) {
  .cols3, .cols2, .steps { grid-template-columns: 1fr; }
  .nav nav { display: none; }
  .nav .btn { margin-left: auto; }
  .wrap, .band > .wrap, main > section.wrap { padding: 64px 20px; }
  .hero { padding: 200px 20px 48px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }

.logo { display: flex; flex: none; }
.logo img { width: 118px; height: 26px; max-width: none; }
.foot img { width: 100px; height: 22px; max-width: none; }
.foot img { justify-self: start; margin-bottom: 8px; }

/* cenas do problema */
.scenes { margin-top: 8px; }
.scene { display: flex; flex-direction: column; background: var(--bg2); border: 1px solid var(--line); border-radius: var(--r3); overflow: hidden; }
.scene header { display: flex; align-items: center; justify-content: space-between; padding: 14px 18px; border-bottom: 1px solid var(--line); }
.scene header .tag { margin: 0; }
.scene pre { background: var(--bg0); flex: none; min-height: 118px; font-size: 13px; white-space: pre-wrap; overflow-wrap: anywhere; }
.scene p { margin: 0; padding: 16px 18px 20px; color: var(--text2); font-size: 15px; }
.scene.bad { border-color: rgba(255,115,115,.28); }
.scene.bad header { background: var(--bad-bg); }
.scene.good { border-color: var(--accent-line); box-shadow: 0 0 0 1px var(--accent-line), 0 16px 48px rgba(142,201,255,.08); }
.scene.good header { background: var(--accent-bg); }
.warn { color: var(--warn); }

/* um dia com o agente */
.day { list-style: none; margin: 36px 0 0; padding: 0; position: relative; display: grid; gap: 22px; }
.day::before { content: ""; position: absolute; left: 31px; top: 14px; bottom: 14px; width: 1px; background: var(--line2); }
.day li { position: relative; display: grid; grid-template-columns: 64px minmax(0,1fr) minmax(0,1.05fr); gap: 20px; align-items: start; }
.day .when { position: relative; z-index: 1; width: 64px; text-align: center; font: 600 13px var(--mono); color: var(--accent); background: var(--bg0); border: 1px solid var(--accent-line); border-radius: 999px; padding: 4px 0; }
.day .what h3 { margin-bottom: 6px; }
.day .what p { margin: 0; color: var(--text2); font-size: 15px; }
.snip { white-space: pre-wrap; overflow-wrap: anywhere; background: var(--bg2); border: 1px solid var(--line2); border-radius: var(--r2); font-size: 13px; }

.callers { display: grid; gap: 12px; }
.caller { display: grid; grid-template-columns: 110px minmax(0,1.2fr) minmax(0,1.6fr); gap: 18px; align-items: center; background: var(--bg2); border: 1px solid var(--line); border-radius: var(--r3); padding: 16px 20px; }
.caller .tag { margin: 0; justify-self: start; }
.caller code { background: var(--bg0); padding: 8px 10px; overflow-x: auto; white-space: nowrap; }
.caller p { margin: 0; color: var(--text2); font-size: 15px; }

/* recursos por situação */
.uses { margin-top: 24px; }
.use { display: flex; flex-direction: column; background: var(--bg2); border: 1px solid var(--line); border-radius: var(--r3); padding: 22px; transition: border-color .15s; }
.use:hover { border-color: var(--line2); }
.use .when { font: 500 12px var(--mono); letter-spacing: .04em; color: var(--accent); margin: 0 0 10px; }
.use .when code { font-size: 1em; }
.use p { margin: 0 0 16px; color: var(--text2); font-size: 15px; }
.use pre { margin-top: auto; background: var(--bg0); border: 1px solid var(--line); border-radius: var(--r2); font-size: 12.5px; padding: 12px 14px; }
.more { color: var(--text3); font-size: 14px; margin: 28px 0 0; }

@media (max-width: 820px) {
  .day li { grid-template-columns: 64px minmax(0,1fr); }
  .day .snip { grid-column: 2; }
  .caller { grid-template-columns: 1fr; gap: 10px; }
}
.use pre { white-space: pre-wrap; overflow-wrap: anywhere; }
.caller code { white-space: normal; overflow-wrap: anywhere; }

.scene ul { margin: 0; padding: 4px 18px 20px 36px; color: var(--text2); font-size: 15px; display: grid; gap: 8px; }
.scene pre { white-space: pre-wrap; }
#substitui h3.mt { margin-top: 56px; }
.code { margin-top: 8px; }
.code pre { padding-right: 20px; white-space: pre-wrap; overflow-wrap: anywhere; font-size: 13px; }
@media (max-width: 820px) { .nav nav { display: none; } }

/* 404 */
.nf { min-height: 100vh; display: grid; align-content: center; justify-items: start; gap: 18px; max-width: 640px; margin: 0 auto; padding: 24px; }
.nf h1 { font-size: clamp(30px, 6vw, 46px); }
.nf .lead { margin: 0; }

.foot a { text-decoration: underline; text-underline-offset: 3px; }
@media (max-width: 820px) {
  table { font-size: 13.5px; }
  th, td { padding: 10px 10px; }
  tbody th { white-space: normal; }
  thead th { font-size: 10px; letter-spacing: .06em; }
}