/* ============================================================
   PixFly · De Copiloto a Colega de Trabalho
   IA Conference Brasil 2026 · 24/09/2026 · Palco 3 · 15h40
   Tokens da marca PixFly (extraídos de pixfly.com): creme, carvão,
   terracota. Títulos em Source Serif 4, corpo em Inter, acento em
   Cormorant Garamond itálico.
   ============================================================ */

:root {
  --bg: #f5f5f0;            /* creme padrão */
  --bg-card: #e8e4dc;       /* cards e faixas */
  --bg-card-2: #d4cfc4;     /* card mais escuro */
  --accent: #c97b5d;        /* terracota, a cor da marca */
  --accent-dark: #b56a4c;   /* terracota para texto sobre creme */
  --accent-soft: rgba(201, 123, 93, 0.15);
  --bronze: #8b7355;
  --text: #1a1a1a;
  --muted: #5c5c5c;
  --faint: #8a8a8a;
  --border: #d4d0c8;
  --charcoal: #211f1d;      /* fundo escuro */
  --charcoal-2: #2c2926;    /* card sobre fundo escuro */
  --cream-text: #f5f5f0;

  --serif: "Source Serif 4", Georgia, serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --script: "Cormorant Garamond", Georgia, serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  background: #111;
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* ------------------------------------------------------------
   Palco: cada slide tem 1920x1080 fixos. Na tela, o nav.js
   escala o slide ativo para caber na janela; no PDF, cada slide
   vira uma página do mesmo tamanho.
   ------------------------------------------------------------ */
.slide {
  width: 1920px;
  height: 1080px;
  position: relative;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  padding: 110px 140px 120px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

@media screen {
  body { overflow: hidden; height: 100vh; }
  .slide {
    position: absolute;
    top: 50%; left: 50%;
    transform-origin: center center;
    transform: translate(-50%, -50%) scale(var(--scale, 0.5));
    display: none;
  }
  .slide.active { display: flex; }
}

@media print {
  @page { size: 1920px 1080px; margin: 0; }
  html, body { background: none; }
  .slide { page-break-after: always; break-after: page; }
  .no-print { display: none !important; }
}

/* Variantes de fundo */
.slide.dark { background: var(--charcoal); color: var(--cream-text); }
.slide.dark .muted, .slide.dark p { color: #c9c3b8; }
.slide.card { background: var(--bg-card); }

/* Rodapé persistente: marca + evento + número do slide */
.foot {
  position: absolute;
  left: 140px; right: 140px; bottom: 44px;
  display: flex; justify-content: space-between; align-items: baseline;
  font-size: 18px; color: var(--faint); letter-spacing: 0.02em;
}
.slide.dark .foot { color: #8f877c; }
.foot .num { font-variant-numeric: tabular-nums; }

/* Logomarca PixFly: Pix na cor do texto, Fly em terracota */
.logo { font-family: var(--script); font-style: italic; font-weight: 600; font-size: 30px; color: var(--text); line-height: 1; }
.logo .fly { color: var(--accent); }
.slide.dark .logo { color: var(--cream-text); }

/* ------------------------------------------------------------
   Tipografia
   ------------------------------------------------------------ */
.eyebrow {
  font-family: var(--sans); font-weight: 600; font-size: 20px;
  text-transform: uppercase; letter-spacing: 0.22em;
  color: var(--accent-dark); margin-bottom: 28px;
}
.slide.dark .eyebrow { color: var(--accent); }

h1, h2, h3 { font-family: var(--serif); font-weight: 400; letter-spacing: -0.015em; line-height: 1.08; }
h1 { font-size: 104px; margin-bottom: 36px; }
h2 { font-size: 72px; margin-bottom: 34px; }
h3 { font-size: 36px; margin-bottom: 14px; line-height: 1.2; }
.accent { color: var(--accent); }
.slide:not(.dark) .accent { color: var(--accent-dark); }
em.script { font-family: var(--script); font-style: italic; font-weight: 500; }

p, li { font-size: 30px; line-height: 1.5; color: var(--muted); }
p + p { margin-top: 16px; }
.lead { font-size: 36px; line-height: 1.45; color: var(--muted); max-width: 1300px; }
strong { color: var(--text); font-weight: 600; }
.slide.dark strong { color: var(--cream-text); }
.small { font-size: 22px; }
.source { font-size: 18px; color: var(--faint); margin-top: 28px; }
.slide.dark .source { color: #8f877c; }

ul.clean { list-style: none; }
ul.clean li { padding-left: 38px; position: relative; margin-bottom: 18px; }
ul.clean li::before { content: ""; position: absolute; left: 0; top: 18px; width: 16px; height: 3px; background: var(--accent); }

ol.steps { list-style: none; counter-reset: s; }
ol.steps li { counter-increment: s; padding-left: 86px; position: relative; margin-bottom: 30px; font-size: 34px; color: var(--text); }
.slide.dark ol.steps li { color: var(--cream-text); }
ol.steps li::before {
  content: counter(s); position: absolute; left: 0; top: -6px;
  font-family: var(--serif); font-size: 54px; color: var(--accent); line-height: 1;
}

/* Citação grande em Cormorant, aspas em terracota */
.quote { font-family: var(--script); font-style: italic; font-weight: 500; font-size: 68px; line-height: 1.2; color: var(--text); max-width: 1500px; }
.slide.dark .quote { color: var(--cream-text); }
.quote .q { color: var(--accent); }
.quote-by { margin-top: 36px; font-size: 24px; color: var(--faint); letter-spacing: 0.04em; }

/* Números grandes */
.stat { font-family: var(--serif); font-size: 96px; color: var(--accent); line-height: 1; }
.stat-label { font-size: 24px; color: var(--muted); margin-top: 12px; line-height: 1.35; }
.slide.dark .stat-label { color: #c9c3b8; }

/* ------------------------------------------------------------
   Grades e cards
   ------------------------------------------------------------ */
.grid { display: grid; gap: 40px; }
.g2 { grid-template-columns: 1fr 1fr; }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }
.split { display: grid; grid-template-columns: 1.05fr 1fr; gap: 80px; align-items: center; }
.split.wide-img { grid-template-columns: 0.9fr 1.1fr; }

.box {
  background: var(--bg-card); border-radius: 18px; padding: 40px 40px 44px;
  border-top: 5px solid var(--accent);
}
.slide.card .box { background: var(--bg); }
.slide.dark .box { background: var(--charcoal-2); }
.box h3 { font-size: 34px; }
.box p { font-size: 25px; }
.box .tag { font-size: 17px; font-weight: 600; letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent-dark); margin-bottom: 14px; }
.slide.dark .box .tag { color: var(--accent); }

/* Imagens */
.img { width: 100%; border-radius: 18px; object-fit: cover; display: block; box-shadow: 0 20px 50px rgba(0,0,0,0.18); }
.caption { font-size: 18px; color: var(--faint); margin-top: 14px; }
.slide.dark .caption { color: #8f877c; }

/* Slide de foto em tela cheia com texto por cima */
.bgimg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(33,31,29,0.94) 0%, rgba(33,31,29,0.78) 45%, rgba(33,31,29,0.15) 100%); }
.shade.full { background: rgba(33,31,29,0.72); }
.over { position: relative; z-index: 2; max-width: 1050px; }

/* Divisores de seção */
.section-num { font-family: var(--serif); font-size: 220px; color: var(--accent); line-height: 0.9; margin-bottom: 20px; }

/* Pílulas de data para novidades */
.pill { display: inline-block; font-size: 18px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; padding: 8px 16px; border-radius: 999px; background: var(--accent-soft); color: var(--accent-dark); margin-bottom: 18px; }
.slide.dark .pill { color: var(--accent); background: rgba(201,123,93,0.2); }

/* Terminal falso para exemplos de comando */
.term { background: #161412; border-radius: 16px; padding: 30px 36px; font-family: var(--mono); font-size: 24px; color: #e8e2d6; line-height: 1.6; }
.term .p { color: var(--accent); }
.term .c { color: #7d766b; }

/* Faixa de logos de clientes */
.logos { display: flex; flex-wrap: wrap; gap: 56px 80px; align-items: center; justify-content: flex-start; }
.logos img { height: 64px; width: auto; opacity: 0.75; filter: grayscale(1); }

/* QR codes do encerramento */
.qr { background: #fff; border-radius: 18px; padding: 22px; width: 280px; height: 280px; }
.qr img { width: 100%; height: 100%; }
.qr-label { font-size: 22px; margin-top: 16px; color: #c9c3b8; text-align: center; }

/* Notas do palestrante: ficam no HTML para referência, nunca aparecem */
aside.notes { display: none !important; }

/* Contador e dica de navegação (só na tela) */
.hint { position: fixed; bottom: 12px; right: 16px; color: #666; font: 12px var(--sans); z-index: 10; }