/* Semana de Provas 2026/2
   Home escura. Matérias claras, cada uma com uma cor sólida fria: violeta, azul, turquesa e ciano, que combinam com o rosa da home.
   Tipografia: só Manrope (títulos, texto e rótulos), via Google Fonts. */

:root {
  --topbar-h: 60px;
  --ink: #161616;
  --ink-2: #4a4640;
  --muted: #6b675f;
  --paper: #fdfcfb;
  --card: #ffffff;
  --line: #e7e3da;
  --dark: #0d0b11;
  --cream: #f4f1ea;

  --violet: #6d45d0; --violet-soft: #eee8fc; --violet-ink: #3f2a80; --violet-bright: #b79dfb;
  --blue: #1d5fbf; --blue-soft: #e3edfc; --blue-ink: #143d7a; --blue-bright: #7db4f2;
  --teal: #0f766e; --teal-soft: #dcf3f0; --teal-ink: #0a4a45; --teal-bright: #5eead4;
  --cyan: #0b79a6; --cyan-soft: #def2fa; --cyan-ink: #0a4962; --cyan-bright: #67d4f0;

  --pink: #e85d9e; --pink-strong: #c2337c;

  --ok: #1f6b45; --ok-soft: #e6f5ec;
  --bad: #a3231b; --bad-soft: #fdeceb;

  --radius: 14px;
  --sans: Manrope, system-ui, -apple-system, "Segoe UI", sans-serif;
}

/* cor da matéria: --cs sólida, --cb suave, --ci escura, --c brilhante (fundo escuro) */
.accent-violet, .card-violet { --cs: var(--violet); --cb: var(--violet-soft); --ci: var(--violet-ink); --c: var(--violet-bright); --cl: #9a78f2; --cd: #43269a; }
.accent-blue, .card-blue { --cs: var(--blue); --cb: var(--blue-soft); --ci: var(--blue-ink); --c: var(--blue-bright); --cl: #5b9bf5; --cd: #103a7d; }
.accent-teal, .card-teal { --cs: var(--teal); --cb: var(--teal-soft); --ci: var(--teal-ink); --c: var(--teal-bright); --cl: #34c4b5; --cd: #084640; }
.accent-cyan, .card-cyan { --cs: var(--cyan); --cb: var(--cyan-soft); --ci: var(--cyan-ink); --c: var(--cyan-bright); --cl: #38bde0; --cd: #08425a; }
.accent-violet, .accent-blue, .accent-teal, .accent-cyan, .card-violet, .card-blue, .card-teal, .card-cyan {
  /* cor com luz: brilho no canto superior direito sobre um degradê */
  --cg: radial-gradient(75% 120% at 100% 0%, var(--cl) 0%, transparent 62%), linear-gradient(135deg, var(--cs) 0%, var(--cd) 100%);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--topbar-h) + 16px); }
body { margin: 0; color: var(--ink); background: var(--paper); font: 16px/1.65 var(--sans); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: inherit; }
img, iframe { max-width: 100%; }
:focus-visible { outline: 3px solid var(--cs, var(--cream)); outline-offset: 3px; border-radius: 4px; }
.skip { position: absolute; left: -999px; top: 8px; z-index: 100; padding: 10px 14px; color: #fff; background: #000; }
.skip:focus { left: 8px; }
.wrap { width: calc(100% - 32px); max-width: 1120px; margin-inline: auto; }
h1, h2, h3 { margin: 0; line-height: 1.08; letter-spacing: -.04em; }
p { margin: 0 0 1em; }
code { padding: 1px 6px; border-radius: 6px; background: rgba(128, 128, 128, .18); font: 700 .9em var(--sans); }
.eyebrow { margin: 0 0 14px; font: 700 11px/1.4 var(--sans); letter-spacing: .12em; text-transform: uppercase; }

/* ---------------------------------------------------------------- topo */
.topbar { position: sticky; top: 0; z-index: 50; -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); }
.topbar-in { display: flex; align-items: center; gap: 18px; min-height: 60px; }
.brand { flex: none; font-size: 21px; font-weight: 800; letter-spacing: -.05em; text-decoration: none; }
.toplinks { display: flex; flex: 1; gap: 4px; min-width: 0; overflow-x: auto; scrollbar-width: none; }
.toplinks::-webkit-scrollbar { display: none; }
.toplinks a { flex: none; padding: 8px 12px; border-radius: 999px; font-size: 13px; font-weight: 600; text-decoration: none; white-space: nowrap; }
.top-cta { flex: none; padding: 7px 14px; border-radius: 999px; font: 700 12px var(--sans); text-decoration: none; white-space: nowrap; }
.top-cta:hover { filter: brightness(1.1); }

/* ---------------------------------------------------------------- hero */
.hero-in { padding: 72px 0 56px; }
.hero h1 { font-size: clamp(54px, 16vw, 132px); font-weight: 800; line-height: .95; letter-spacing: -.06em; overflow-wrap: anywhere; }
.hero-sub .hero-in { padding: 48px 0 40px; }
.hero-sub h1 { font-size: clamp(44px, 12vw, 92px); }
.hero h1 em { font-style: normal; }
.lede { max-width: 560px; margin: 22px 0 0; font-size: 17px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }

/* ---------------------------------------------------------------- botões */
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 46px; padding: 12px 20px;
  color: #fff; background: var(--cs); border: 1px solid var(--cs); border-radius: 999px;
  font: 700 14px/1.2 var(--sans); text-align: center; text-decoration: none; cursor: pointer;
  transition: transform .15s ease, filter .15s ease;
}
.button:hover { filter: brightness(1.08); transform: translateY(-1px); }
.button.big { min-height: 52px; padding: 14px 26px; font-size: 15px; }
.button.ghost { color: inherit; background: transparent; border-color: currentColor; }
.link-btn { padding: 6px 2px; color: var(--cs); background: none; border: 0; font: 700 13px var(--sans); text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }

/* ================================================================
   HOME (escura)
   ================================================================ */
.page-home { color: var(--cream); background: var(--dark); --line: rgba(255, 255, 255, .12); }
.page-home :focus-visible { outline-color: var(--cream); }
.page-home .topbar { background: rgba(13, 11, 17, .9); border-bottom: 1px solid var(--line); }
.page-home .brand span { color: var(--pink); }
.page-home .toplinks a { color: #c9c5bd; }
.page-home .toplinks a:hover { color: #fff; background: rgba(255, 255, 255, .1); }
.page-home .top-cta { color: #fff; background: var(--pink-strong); }

.hero-home {
  background:
    radial-gradient(60% 80% at 92% 0%, rgba(232, 93, 158, .32), transparent 62%),
    radial-gradient(50% 70% at 70% 100%, rgba(154, 120, 231, .22), transparent 62%),
    radial-gradient(45% 60% at 0% 100%, rgba(93, 158, 232, .18), transparent 62%),
    var(--dark);
}
.page-home .eyebrow { color: var(--pink); }
.page-home .hero h1 em { color: var(--pink); }
.page-home .lede { color: #c9c5bd; }
.page-home .button:not(.ghost) { color: #fff; background: var(--pink-strong); border-color: var(--pink-strong); }
.page-home .button.ghost { color: var(--cream); border-color: rgba(244, 241, 234, .4); }

.block { padding: 64px 0 8px; }
.subjects { display: grid; gap: 16px; padding-top: 8px; }
.subject-card { display: flex; flex-direction: column; min-height: 300px; padding: 26px; color: #fff; background: var(--cg); border-radius: var(--radius); box-shadow: 0 22px 44px -22px color-mix(in srgb, var(--cl) 70%, transparent); transition: transform .2s ease; }
.subject-card:hover { transform: translateY(-3px); }
.card-num { margin-bottom: 44px; color: rgba(255, 255, 255, .8); font: 700 13px var(--sans); }
.subject-card h3 { font-size: 30px; font-weight: 800; }
.subject-card h3 a { text-decoration: none; }
.subject-card p { margin: 14px 0 26px; color: rgba(255, 255, 255, .92); }
.card-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: auto; }
.page-home .subject-card .button:not(.ghost) { color: var(--cs); background: #fff; border-color: #fff; }
.page-home .subject-card .button.ghost { color: #fff; border-color: rgba(255, 255, 255, .7); }

.library { margin-top: 72px; padding: 64px 0; border-top: 1px solid var(--line); }
.library-in { display: grid; gap: 28px; }
.library h2 { font-size: clamp(32px, 7vw, 52px); font-weight: 800; }
.library p { margin: 16px 0 26px; color: #c9c5bd; }
.library-text { max-width: 440px; }
.drive-embed { min-width: 0; padding: 12px; background: #17141d; border: 1px solid var(--line); border-radius: var(--radius); }
.drive-embed iframe { display: block; width: 100%; height: 440px; background: #fff; border: 0; border-radius: 8px; }
.embed-note { margin: 12px 4px 2px; font-size: 13px; }
.page-home .embed-note a { color: #c9c5bd; }
.page-home .footer { color: #a29e96; border-top: 1px solid var(--line); }

/* ================================================================
   MATÉRIAS E QUIZZES (claras, cor sólida da matéria)
   ================================================================ */
.page-light .topbar { color: var(--ink); background: rgba(255, 255, 255, .94); border-bottom: 1px solid var(--line); }
.page-light .brand span { color: var(--cs); }
.page-light .toplinks a { color: var(--ink-2); }
.page-light .toplinks a:hover { color: var(--ink); background: rgba(22, 22, 22, .06); }
.page-light .top-cta { color: #fff; background: linear-gradient(135deg, var(--cl), var(--cs)); box-shadow: 0 6px 16px -6px color-mix(in srgb, var(--cs) 70%, transparent); }

.page-light .hero { color: #fff; background: var(--cg); }
.page-light .hero .eyebrow { color: rgba(255, 255, 255, .85); }
.page-light .hero h1 em { color: var(--cb); }
.page-light .hero .lede { color: rgba(255, 255, 255, .92); }
.page-light .hero .button:not(.ghost) { color: var(--cs); background: #fff; border-color: #fff; }
.page-light .hero .button.ghost, .page-light .band .button.ghost { color: #fff; border-color: rgba(255, 255, 255, .65); }

.subject-layout { display: grid; gap: 24px; padding-top: 36px; }
.toc details { padding: 14px 16px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }
.toc summary { cursor: pointer; font: 700 11px var(--sans); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.toc ol { margin: 12px 0 0; padding: 0; list-style: none; }
.toc li a { display: block; padding: 7px 10px; margin: 0 -10px; color: var(--ink-2); border-radius: 8px; font-size: 14px; font-weight: 600; line-height: 1.35; text-decoration: none; }
.toc li a:hover, .toc li a.active { color: var(--ci); background: var(--cb); }
.toc li a.active { box-shadow: inset 3px 0 0 var(--cs); }

.resumo { min-width: 0; max-width: 780px; }
.resumo-lead { margin-bottom: 8px; color: var(--muted); font-size: 15px; }
.sec { padding: 34px 0 6px; border-top: 1px solid var(--line); }
.sec:first-of-type { padding-top: 12px; border-top: 0; }
.sec h2 { margin-bottom: 18px; font-size: clamp(28px, 5vw, 40px); font-weight: 800; }
.sec h3 { margin: 30px 0 12px; font-size: 21px; font-weight: 800; letter-spacing: -.03em; }
.sec p, .sec li { color: var(--ink-2); }
.sec strong { color: var(--ink); }
.sec ul, .sec ol { margin: 0 0 1.2em; padding-left: 22px; }
.sec li { margin-bottom: 6px; padding-left: 4px; }
.sec li::marker { color: var(--cs); font-weight: 700; }
.sec a { color: var(--cs); }

.table-wrap { margin: 0 0 1.4em; overflow-x: auto; background: var(--card); border: 1px solid var(--line); border-radius: 12px; }
table { width: 100%; min-width: 520px; border-collapse: collapse; font-size: 14.5px; line-height: 1.5; }
th { padding: 12px 14px; color: var(--ci); background: var(--cb); font: 700 11px var(--sans); letter-spacing: .08em; text-align: left; text-transform: uppercase; white-space: nowrap; }
td { padding: 12px 14px; color: var(--ink-2); border-top: 1px solid var(--line); vertical-align: top; }
td:first-child { color: var(--ink); }
tr:nth-child(even) td { background: #fbfaf7; }

.callout { margin: 0 0 1.4em; padding: 16px 18px; background: var(--cb); border-left: 5px solid var(--cs); border-radius: 0 12px 12px 0; }
.callout p, .callout strong { margin: 0; color: var(--ci); font-size: 15.5px; }
.callout-exam { background: linear-gradient(135deg, var(--cs), var(--cd)); border-color: var(--cl); }
.callout-exam p, .callout-exam strong { color: #fff; }
.callout-warn { background: #fff4d6; border-color: #b7791f; }
.callout-warn p, .callout-warn strong { color: #6b4507; }
blockquote { margin: 0 0 1.4em; padding: 4px 0 4px 18px; color: var(--ink-2); border-left: 4px solid var(--line); }

.sec-check { margin-top: 26px; padding: 26px; background: var(--card); border: 2px solid var(--cs); border-radius: var(--radius); }
.sec-check h2 { font-size: 30px; }
.sec-check ul { padding-left: 0; list-style: none; }
.sec-check li { position: relative; padding-left: 30px; }
.sec-check li::before { content: "✓"; position: absolute; left: 0; top: 4px; display: grid; place-items: center; width: 20px; height: 20px; color: #fff; background: var(--cs); border-radius: 50%; font-size: 12px; font-weight: 800; }
.sec-sources { font-size: 14px; }
.sec-sources h2 { font-size: 22px; letter-spacing: -.02em; }

.block-title { margin-bottom: 24px; font-size: clamp(28px, 5vw, 40px); font-weight: 800; }
.flash-grid { display: grid; gap: 14px; }
.flash { position: relative; padding: 22px; background: var(--card); border: 1px solid var(--line); border-top: 5px solid var(--cs); border-radius: var(--radius); }
.flash-n { position: absolute; top: 18px; right: 20px; color: var(--cb); font: 800 40px/1 var(--sans); letter-spacing: -.06em; -webkit-text-stroke: 1px var(--cs); }
.flash h3 { max-width: 80%; margin-bottom: 14px; font-size: 20px; font-weight: 800; }
.flash ul { margin: 0; padding-left: 20px; color: var(--ink-2); font-size: 15px; }
.flash li { margin-bottom: 7px; }
.flash li::marker { color: var(--cs); }

.band { margin-top: 56px; padding: 44px 0; color: #fff; background: var(--cg); }
.band-in { display: grid; gap: 22px; align-items: center; }
.band h2 { font-size: clamp(28px, 5vw, 40px); font-weight: 800; }
.band-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.band .button:not(.ghost) { color: var(--cs); background: #fff; border-color: #fff; }

/* quiz */
.quiz-wrap { max-width: 800px; padding-top: 24px; padding-bottom: 72px; }
.quiz-bar { position: sticky; top: var(--topbar-h); z-index: 20; display: grid; grid-template-columns: 1fr auto; gap: 8px 16px; align-items: center; padding: 12px 16px; margin-bottom: 24px; background: rgba(253, 252, 251, .95); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); border: 1px solid var(--line); border-radius: 12px; }
.quiz-stats { font-variant-numeric: tabular-nums; grid-column: 1; grid-row: 1; display: flex; gap: 20px; color: var(--muted); font: 700 12px var(--sans); }
.quiz-stats strong { color: var(--ink); }
.quiz-bar .link-btn { grid-column: 2; grid-row: 1; }
.progress { grid-column: 1 / -1; grid-row: 2; height: 6px; overflow: hidden; background: var(--line); border-radius: 99px; }
.progress i { display: block; width: 0; height: 100%; background: linear-gradient(90deg, var(--cs), var(--cl)); border-radius: 99px; transition: width .3s ease; }
.quiz-group { margin: 40px 0 16px; padding-bottom: 10px; color: var(--cs); border-bottom: 2px solid var(--line); font: 700 12px var(--sans); letter-spacing: .12em; text-transform: uppercase; }
.quiz-group:first-child { margin-top: 8px; }
.question { padding: 22px; margin-bottom: 16px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); scroll-margin-top: calc(var(--topbar-h) + 96px); }
.q-num { margin: 0 0 8px; color: var(--muted); font: 700 11px var(--sans); letter-spacing: .08em; text-transform: uppercase; }
.question h3 { margin-bottom: 18px; font-size: 19px; font-weight: 700; letter-spacing: -.02em; line-height: 1.35; }
.options { display: grid; gap: 8px; }
.option { display: flex; gap: 12px; align-items: flex-start; width: 100%; padding: 12px 14px; color: var(--ink); background: #fff; border: 1.5px solid var(--line); border-radius: 12px; font: 500 15px/1.5 var(--sans); text-align: left; cursor: pointer; transition: border-color .12s ease, background .12s ease; }
.option:hover:not(:disabled) { background: var(--cb); border-color: var(--cs); }
.option .key { flex: none; display: grid; place-items: center; width: 26px; height: 26px; margin-top: 1px; color: var(--ink-2); background: #f1efe9; border-radius: 8px; font: 700 12px var(--sans); }
.option:disabled { cursor: default; }
.option.correct { color: #0f3d26; background: var(--ok-soft); border-color: var(--ok); }
.option.correct .key { color: #fff; background: var(--ok); }
.option.wrong { color: #5f120d; background: var(--bad-soft); border-color: var(--bad); }
.option.wrong .key { color: #fff; background: var(--bad); }
.question.done .option:not(.correct):not(.wrong) { opacity: .55; }
.question.is-wrong { border-color: var(--bad); }
.question.is-right { border-color: var(--ok); }
.explain { margin-top: 16px; padding: 14px 16px; background: #f7f5f0; border-radius: 10px; }
.explain p { margin: 0; color: var(--ink-2); font-size: 14.5px; }
.result { margin-top: 32px; padding: 28px; background: #fff; border: 2px solid var(--cs); border-radius: var(--radius); }
.result h2 { font-size: clamp(30px, 6vw, 44px); font-weight: 800; }
.result p { margin: 12px 0 0; color: var(--ink-2); }
.result .button.ghost { color: var(--ink); border-color: rgba(22, 22, 22, .35); }

/* rodapé */
.footer { padding: 28px 0 36px; color: var(--muted); border-top: 1px solid var(--line); font-size: 13px; }

/* confete */
.confetti-piece { position: fixed; z-index: 90; top: -14px; width: 9px; height: 15px; pointer-events: none; animation: confetti-fall 2.8s ease-out forwards; }
@keyframes confetti-fall { 0% { transform: translate3d(0, -10px, 0) rotate(0deg); opacity: 1; } 100% { transform: translate3d(var(--drift), 105vh, 0) rotate(720deg); opacity: 0; } }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
  .confetti-piece { display: none; }
}

/* ---------------------------------------------------------------- telas maiores */
@media (min-width: 640px) {
  .wrap { width: calc(100% - 48px); }
  .subjects { grid-template-columns: repeat(2, 1fr); }
  .flash-grid { grid-template-columns: repeat(2, 1fr); }
  .band-in { grid-template-columns: 1fr auto; }
}
@media (min-width: 960px) {
  .hero-in { padding: 110px 0 80px; }
  .hero-sub .hero-in { padding: 72px 0 56px; }
  .subjects { grid-template-columns: repeat(2, 1fr); }
  .flash-grid { grid-template-columns: repeat(4, 1fr); }
  .library-in { grid-template-columns: 380px 1fr; gap: 48px; align-items: start; }
  .drive-embed iframe { height: 520px; }
  .subject-layout { grid-template-columns: 250px minmax(0, 1fr); gap: 56px; padding-top: 56px; }
  .toc { position: sticky; top: 84px; align-self: start; }
  .toc summary { pointer-events: none; }
  .question { padding: 28px; }
}

/* ---------------------------------------------------------------- celular */
@media (max-width: 639px) {
  :root { --topbar-h: 98px; }
  .topbar-in { flex-wrap: wrap; align-content: center; gap: 0 12px; min-height: 0; padding-top: 10px; }
  .brand { order: 1; }
  .top-cta { order: 2; margin-left: auto; }
  .toplinks { order: 3; flex: 1 0 100%; margin: 4px -6px 0; padding-bottom: 8px; }

  .hero-in { padding: 44px 0 36px; }
  .hero-sub .hero-in { padding: 32px 0 30px; }
  .lede { margin-top: 16px; font-size: 16px; }
  .hero-actions { margin-top: 22px; }
  .hero-actions .button { flex: 1 1 100%; }

  .block { padding-top: 48px; }
  .subject-card { min-height: 0; padding: 22px; }
  .card-num { margin-bottom: 26px; }
  .card-actions .button { flex: 1 1 calc(50% - 5px); }

  .library { margin-top: 52px; padding: 48px 0; }
  .drive-embed iframe { height: 380px; }
  .band { padding: 36px 0; }
  .band-actions .button { flex: 1 1 100%; }

  .sec { padding-top: 28px; }
  .sec h3 { font-size: 19px; }
  .sec-check { padding: 20px; }
  .callout { padding: 14px 16px; }
  .flash { padding: 18px; }
  .question { padding: 18px; }
  .question h3 { font-size: 17.5px; }
  .option { padding: 12px; font-size: 14.5px; }
  .quiz-bar { padding: 10px 12px; }
  .result { padding: 22px; }

  /* tabelas viram cartões: a primeira coluna é o título da linha */
  .table-wrap { overflow: visible; }
  table { min-width: 0; }
  thead { display: none; }
  table, tbody, tr, td { display: block; width: 100%; }
  tr { padding: 12px 14px; border-top: 1px solid var(--line); }
  tr:first-child { border-top: 0; }
  tr:nth-child(even) td { background: none; }
  td { padding: 4px 0; border: 0; }
  td::before { content: attr(data-label); display: block; color: var(--ci); font: 700 10px var(--sans); letter-spacing: .08em; text-transform: uppercase; }
  td:first-child { margin-bottom: 2px; color: var(--ink); font-size: 16px; font-weight: 800; }
  td:first-child::before { display: none; }
  .tbl-num td:first-child { display: inline-block; width: auto; margin: 0 0 4px; padding: 1px 10px; color: var(--ci); background: var(--cb); border-radius: 99px; font: 700 12px var(--sans); }
  .tbl-num td:nth-child(2) { margin-bottom: 2px; color: var(--ink); font-size: 16px; font-weight: 800; }
  .tbl-num td:nth-child(2)::before { display: none; }
}