/* Quant Político 2026 — Saulo Dutra. HTML/CSS/JS puro, sem build. */
:root {
  --bg: #06080a;
  --bg-2: #0b0f12;
  --panel: #0f1519;
  --panel-2: #131b21;
  --line: #1f2a32;
  --line-2: #2b3842;
  --text: #e8edf0;
  --muted: #9aa8b3;
  --dim: #6c7a86;
  --verde: #19c66a;
  --verde-2: #0f8f4b;
  --amarelo: #ffd23f;
  --amarelo-2: #c9a227;
  --azul: #3b82f6;
  --vermelho: #ef5350;
  --ciano: #7fd8f0;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: "Space Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  --max: 1180px;
  --r: 10px;
  --shadow: 0 20px 60px rgba(0, 0, 0, .45);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg) url("img/17-bg.webp") center top / cover no-repeat fixed;
  color: var(--text); font-family: var(--sans); font-size: 16px; line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
@media (max-width: 760px) { body { background-attachment: scroll; } }
a { color: var(--amarelo); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }
h1, h2, h3, h4 { line-height: 1.12; margin: 0 0 .5em; letter-spacing: -.01em; }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.4rem); font-weight: 700; }
h3 { font-size: clamp(1.15rem, 2vw, 1.4rem); font-weight: 600; }
p { margin: 0 0 1em; }
.mono { font-family: var(--mono); }
.verde { color: var(--verde); } .amarelo { color: var(--amarelo); } .vermelho { color: var(--vermelho); } .azul { color: var(--azul); }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.wrap-narrow { max-width: 860px; margin: 0 auto; padding: 0 20px; }

/* ---- nav ---- */
.nav {
  position: sticky; top: 0; z-index: 50; backdrop-filter: blur(14px);
  background: rgba(6, 8, 10, .78); border-bottom: 1px solid var(--line);
}
.nav .wrap { display: flex; align-items: center; gap: 18px; height: 56px; }
.brand { font-family: var(--mono); font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; color: var(--text); white-space: nowrap; }
.brand b { color: var(--verde); }
.nav-links { display: flex; gap: 2px; margin-left: auto; overflow-x: auto; scrollbar-width: none; }
.nav-links::-webkit-scrollbar { display: none; }
.nav-links a { font-family: var(--mono); font-size: .72rem; color: var(--muted); padding: 8px 10px; border-radius: 6px; white-space: nowrap; }
.nav-links a:hover, .nav-links a.on { color: var(--text); background: var(--panel-2); text-decoration: none; }
.nav-prob { font-family: var(--mono); font-size: .78rem; color: var(--amarelo); white-space: nowrap; padding: 6px 10px; border: 1px solid var(--line-2); border-radius: 6px; }
@media (max-width: 760px) { .nav-prob { display: none; } }

/* ---- hero ---- */
.hero { position: relative; min-height: 86vh; display: grid; align-items: end; overflow: hidden; border-bottom: 1px solid var(--line); }
.hero img.bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; opacity: .9; }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(6,8,10,.15) 0%, rgba(6,8,10,.55) 55%, rgba(6,8,10,.97) 100%); }
.hero .wrap { position: relative; z-index: 2; padding-top: 80px; padding-bottom: 48px; }
.kicker { font-family: var(--mono); font-size: .78rem; letter-spacing: .18em; text-transform: uppercase; color: var(--amarelo); margin-bottom: 14px; }
.hero h1 { font-size: clamp(2.2rem, 6vw, 4.6rem); font-weight: 700; letter-spacing: -.03em; max-width: 14ch; margin-bottom: 18px; }
.hero h1 em { font-style: normal; color: var(--verde); }
.lede { font-size: clamp(1.02rem, 1.6vw, 1.25rem); color: var(--muted); max-width: 60ch; margin-bottom: 26px; }
.byline { display: flex; flex-wrap: wrap; gap: 10px 18px; align-items: center; font-family: var(--mono); font-size: .78rem; color: var(--dim); }
.byline .autor { color: var(--text); letter-spacing: .14em; text-transform: uppercase; }
.byline .autor::before { content: "— "; color: var(--amarelo); }

/* ---- stat tiles ---- */
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 10px; margin-top: 28px; }
.tile { background: rgba(15, 21, 25, .82); border: 1px solid var(--line); border-radius: var(--r); padding: 14px 16px; backdrop-filter: blur(8px); }
.tile .k { font-family: var(--mono); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--dim); }
.tile .v { font-family: var(--mono); font-size: clamp(1.4rem, 2.6vw, 2rem); font-weight: 700; color: var(--text); line-height: 1.1; margin: 6px 0 4px; }
.tile .v.verde { color: var(--verde); } .tile .v.amarelo { color: var(--amarelo); } .tile .v.vermelho { color: var(--vermelho); }
.tile .s { font-size: .76rem; color: var(--muted); }

/* ---- sections ---- */
section.sec { padding: 72px 0; border-bottom: 1px solid var(--line); }
section.sec.alt { background: rgba(11, 15, 18, .6); }
.sec-head { display: grid; grid-template-columns: 1fr; gap: 6px; margin-bottom: 26px; }
.num { font-family: var(--mono); font-size: .74rem; letter-spacing: .18em; color: var(--verde); text-transform: uppercase; }
.sec-head p.sub { color: var(--muted); max-width: 70ch; font-size: 1.02rem; margin: 6px 0 0; }
.figure { position: relative; border-radius: 14px; overflow: hidden; border: 1px solid var(--line); margin: 0 0 28px; box-shadow: var(--shadow); }
.figure img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.figure figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 14px 18px; font-family: var(--mono); font-size: .72rem; color: var(--muted); background: linear-gradient(180deg, transparent, rgba(6,8,10,.9)); }
.figure.tall img { aspect-ratio: 21/9; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; align-items: start; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 860px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }
.prose { max-width: 74ch; font-size: 1.04rem; }
.prose p { color: #d5dde3; }
.prose strong { color: var(--text); }
.prose ul, .prose ol { padding-left: 1.2em; color: #d5dde3; }
.prose li { margin-bottom: .45em; }
.prose blockquote { margin: 18px 0; padding: 14px 18px; border-left: 3px solid var(--amarelo); background: rgba(255, 210, 63, .05); color: #e3e9ee; font-size: 1rem; border-radius: 0 var(--r) var(--r) 0; }
.prose blockquote cite { display: block; margin-top: 8px; font-family: var(--mono); font-size: .72rem; color: var(--dim); font-style: normal; }

/* ---- cards / panels ---- */
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 18px 20px; }
.card h3 { margin-top: 0; }
.card .k { font-family: var(--mono); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--dim); margin-bottom: 6px; }
.formula { font-family: var(--mono); font-size: .86rem; background: var(--bg-2); border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; color: #dfe7ec; overflow-x: auto; white-space: pre; margin: 12px 0; }
.rotulo { display: inline-block; font-family: var(--mono); font-size: .66rem; letter-spacing: .1em; text-transform: uppercase; padding: 3px 8px; border-radius: 4px; border: 1px solid var(--line-2); color: var(--muted); margin-right: 6px; }
.rotulo.fato { border-color: var(--verde-2); color: var(--verde); }
.rotulo.estimativa { border-color: var(--amarelo-2); color: var(--amarelo); }
.rotulo.opiniao { border-color: #5b6b78; color: #b4c0ca; }
.chart-box { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 16px 16px 10px; margin: 18px 0; }
.chart-box .t { font-family: var(--mono); font-size: .74rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.chart-box .t span:last-child { color: var(--dim); text-transform: none; letter-spacing: 0; }
.chart-box canvas { width: 100% !important; height: 320px !important; }
.chart-box.short canvas { height: 240px !important; }
.chart-box.tall canvas { height: 420px !important; }
.fonte { font-family: var(--mono); font-size: .7rem; color: var(--dim); margin-top: 8px; }
.fonte a { color: var(--dim); text-decoration: underline dotted; }

/* ---- tables ---- */
.tbl-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r); background: var(--panel); margin: 14px 0; }
table { border-collapse: collapse; width: 100%; font-size: .86rem; }
th, td { padding: 9px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { font-family: var(--mono); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; color: var(--dim); background: var(--bg-2); position: sticky; top: 0; }
td.n, th.n { text-align: right; font-family: var(--mono); font-variant-numeric: tabular-nums; }
tr:last-child td { border-bottom: 0; }
tbody tr:hover td { background: rgba(255,255,255,.025); }
td .pos { color: var(--verde); } td .neg { color: var(--vermelho); }
.bar { display: inline-block; height: 8px; border-radius: 4px; background: var(--verde); vertical-align: middle; }
.bar.l { background: var(--vermelho); }

/* ---- timeline ---- */
.timeline { list-style: none; margin: 0; padding: 0; border-left: 2px solid var(--line-2); }
.timeline li { position: relative; padding: 0 0 18px 22px; }
.timeline li::before { content: ""; position: absolute; left: -7px; top: 8px; width: 12px; height: 12px; border-radius: 50%; background: var(--bg); border: 2px solid var(--amarelo); }
.timeline .d { font-family: var(--mono); font-size: .72rem; color: var(--amarelo); letter-spacing: .08em; }
.timeline .q { color: #dfe7ec; margin: 2px 0; }
.timeline .w { font-family: var(--mono); font-size: .72rem; color: var(--dim); }

/* ---- refs ---- */
.refs { counter-reset: ref; }
.ref { display: grid; grid-template-columns: 34px 1fr; gap: 10px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.ref::before { counter-increment: ref; content: counter(ref, decimal-leading-zero); font-family: var(--mono); font-size: .72rem; color: var(--verde); padding-top: 4px; }
.ref .c { color: #dfe7ec; font-size: .92rem; }
.ref .a { color: var(--muted); font-size: .86rem; margin-top: 3px; }
.ref .a b { color: var(--amarelo); font-weight: 600; }
.ref .u { font-family: var(--mono); font-size: .68rem; color: var(--dim); word-break: break-all; }

/* ---- author ---- */
.autor-sec { display: grid; grid-template-columns: 1.1fr 1fr; gap: 28px; align-items: center; }
@media (max-width: 860px) { .autor-sec { grid-template-columns: 1fr; } }
.assinatura { font-family: var(--mono); letter-spacing: .3em; text-transform: uppercase; font-size: clamp(1.1rem, 2.4vw, 1.6rem); color: var(--text); }
.assinatura small { display: block; letter-spacing: .14em; font-size: .72rem; color: var(--amarelo); margin-top: 8px; }
.bandeira { display: inline-flex; gap: 0; width: 42px; height: 8px; border-radius: 2px; overflow: hidden; vertical-align: middle; margin-left: 10px; }
.bandeira i { flex: 1; } .bandeira i:nth-child(1) { background: var(--verde); } .bandeira i:nth-child(2) { background: var(--amarelo); } .bandeira i:nth-child(3) { background: var(--azul); }

/* ---- footer ---- */
footer { padding: 40px 0 60px; color: var(--dim); font-size: .82rem; }
footer .wrap { display: grid; gap: 10px; }
.aviso { border: 1px solid var(--line-2); border-radius: var(--r); padding: 14px 16px; background: var(--panel); color: var(--muted); font-size: .86rem; }
.share { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.share a, .share button { font-family: var(--mono); font-size: .74rem; color: var(--text); background: var(--panel-2); border: 1px solid var(--line-2); border-radius: 6px; padding: 8px 12px; cursor: pointer; }
.share a:hover, .share button:hover { border-color: var(--amarelo); text-decoration: none; }
.toc { position: fixed; right: 14px; top: 50%; transform: translateY(-50%); display: none; flex-direction: column; gap: 6px; z-index: 40; }
.toc a { width: 8px; height: 8px; border-radius: 50%; background: var(--line-2); display: block; }
.toc a.on { background: var(--amarelo); }
@media (min-width: 1300px) { .toc { display: flex; } }
.pill { display: inline-block; font-family: var(--mono); font-size: .68rem; padding: 2px 8px; border-radius: 999px; background: var(--panel-2); border: 1px solid var(--line-2); color: var(--muted); }
.pill.f { color: var(--verde); border-color: var(--verde-2); } .pill.l { color: var(--vermelho); border-color: #7a3030; } .pill.c { color: var(--amarelo); border-color: var(--amarelo-2); }
details { border: 1px solid var(--line); border-radius: var(--r); background: var(--panel); padding: 10px 16px; margin: 10px 0; }
summary { cursor: pointer; font-weight: 600; color: var(--text); }
details[open] summary { margin-bottom: 8px; }
.contador { font-family: var(--mono); font-size: .78rem; color: var(--muted); }
.contador b { color: var(--amarelo); }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 10px; top: 10px; background: var(--amarelo); color: #000; padding: 8px; z-index: 100; }