/* =============================================
   CrossUp — Sistema de diseño para presentación
   ============================================= */

:root {
  /* Brand */
  --blue: #2563EB;          /* Electric primary (from logo) */
  --blue-bright: #3B82F6;   /* Lift */
  --blue-deep: #1D4ED8;
  --blue-glow: #60A5FA;

  /* Surfaces */
  --bg-0: #060A18;          /* Deepest */
  --bg-1: #0A0F1E;          /* Main dark */
  --bg-2: #0E1530;          /* Card dark */
  --bg-light: #F6F8FD;
  --bg-light-2: #FFFFFF;

  /* Ink */
  --ink: #FFFFFF;
  --ink-soft: rgba(255,255,255,0.72);
  --ink-mute: rgba(255,255,255,0.50);
  --ink-faint: rgba(255,255,255,0.18);
  --ink-dark: #0A0F1E;
  --ink-dark-soft: #475467;

  /* Borders */
  --border: rgba(255,255,255,0.10);
  --border-strong: rgba(255,255,255,0.18);
  --border-blue: rgba(59,130,246,0.40);
  --border-light: #E6EAF2;

  /* Type scale (1920x1080 canvas) */
  --fs-display: 124px;
  --fs-h1: 84px;
  --fs-h2: 64px;
  --fs-h3: 44px;
  --fs-h4: 32px;
  --fs-body: 26px;
  --fs-small: 22px;
  --fs-mini: 18px;

  --r-sm: 12px;
  --r-md: 20px;
  --r-lg: 28px;
  --r-xl: 40px;
}

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

html, body {
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  background: #000;
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

deck-stage { background: #000; }

/* ============================================
   Slide base
   ============================================ */
section {
  width: 1920px;
  height: 1080px;
  position: relative;
  overflow: hidden;
  background: var(--bg-1);
  color: var(--ink);
  font-size: var(--fs-body);
  line-height: 1.45;
  display: flex;
  flex-direction: column;
}

section.light {
  background: var(--bg-light);
  color: var(--ink-dark);
}

/* Slide chrome */
.chrome {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 10;
  padding: 56px 88px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  font-size: var(--fs-mini);
}

.chrome .crossup-mark {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--ink-soft);
  font-weight: 700;
  letter-spacing: 0.02em;
}

section.light .chrome .crossup-mark { color: var(--ink-dark-soft); }

.chrome .crossup-mark img {
  width: 32px; height: 36px; object-fit: contain;
}

.chrome .meta {
  color: var(--ink-mute);
  font-size: var(--fs-mini);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
section.light .chrome .meta { color: #94A0B8; }

/* Page index */
.page-no {
  position: absolute;
  right: 88px;
  bottom: 48px;
  font-size: var(--fs-mini);
  font-weight: 600;
  color: var(--ink-mute);
  letter-spacing: 0.18em;
  z-index: 10;
}
section.light .page-no { color: #94A0B8; }

/* Big "U" watermark for some slides */
.watermark {
  position: absolute;
  pointer-events: none;
  opacity: 0.04;
  z-index: 1;
}
.watermark img { width: 100%; height: 100%; object-fit: contain; }

/* ============================================
   Typography
   ============================================ */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 10px 18px;
  border: 1px solid var(--border-blue);
  border-radius: 999px;
  font-size: var(--fs-mini);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue-glow);
  background: rgba(37,99,235,0.08);
}
section.light .eyebrow {
  color: var(--blue);
  background: rgba(37,99,235,0.06);
  border-color: rgba(37,99,235,0.25);
}
.eyebrow .dot {
  width: 8px; height: 8px;
  background: var(--blue); border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(37,99,235,0.18);
}

h1, h2, h3, h4 {
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.04;
  text-wrap: balance;
}
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); letter-spacing: -0.01em; }
h4 { font-size: var(--fs-h4); letter-spacing: -0.01em; line-height: 1.2; }

.display {
  font-size: var(--fs-display);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 0.96;
}

.lead { font-size: 30px; line-height: 1.4; color: var(--ink-soft); max-width: 28ch; }
section.light .lead { color: #475467; }

.brand-name {
  color: var(--blue);
  font-weight: 800;
}

.metric {
  font-size: 96px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--blue-bright);
  line-height: 1;
  font-feature-settings: 'tnum' 1;
}
.metric-lg { font-size: 156px; }

/* ============================================
   Backgrounds & decorative
   ============================================ */
.bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 80px 80px;
  background-position: -1px -1px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, #000 30%, transparent 75%);
  z-index: 1;
}

.bg-glow {
  position: absolute;
  pointer-events: none;
  z-index: 1;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.55;
}
.bg-glow.blue { background: var(--blue); }
.bg-glow.deep { background: var(--blue-deep); }

/* ============================================
   Buttons / Pills
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 18px 32px;
  border-radius: 999px;
  font-weight: 700;
  font-size: var(--fs-body);
  background: var(--blue);
  color: #fff;
  border: none;
  box-shadow: 0 10px 30px -8px rgba(37,99,235,0.55);
}
.btn.ghost {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--border-strong);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  font-size: var(--fs-mini);
  font-weight: 600;
}

/* ============================================
   Cards
   ============================================ */
.card {
  position: relative;
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.015));
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 40px;
  backdrop-filter: blur(20px);
}

.card.light {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  box-shadow: 0 30px 60px -20px rgba(10,15,30,0.10), 0 4px 12px -4px rgba(10,15,30,0.05);
}

/* ============================================
   Icon style
   ============================================ */
.icon-tile {
  width: 80px;
  height: 80px;
  border-radius: 22px;
  display: grid;
  place-items: center;
  background: linear-gradient(180deg, rgba(37,99,235,0.20), rgba(37,99,235,0.06));
  border: 1px solid rgba(59,130,246,0.30);
  color: var(--blue-glow);
}
.icon-tile.solid {
  background: var(--blue);
  color: #fff;
  border: none;
  box-shadow: 0 12px 30px -8px rgba(37,99,235,0.55);
}
.icon-tile svg { width: 40px; height: 40px; }

/* ============================================
   Misc helpers
   ============================================ */
.divider {
  height: 1px;
  background: var(--border);
  width: 100%;
}
.fade-r { -webkit-mask-image: linear-gradient(90deg, #000 70%, transparent); mask-image: linear-gradient(90deg, #000 70%, transparent); }

.gradient-text {
  background: linear-gradient(120deg, #FFFFFF 0%, #93BBFD 60%, #3B82F6 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.row { display: flex; }
.col { display: flex; flex-direction: column; }
.gap-12 { gap: 12px; } .gap-16 { gap: 16px; } .gap-20 { gap: 20px; }
.gap-24 { gap: 24px; } .gap-32 { gap: 32px; } .gap-40 { gap: 40px; }
.gap-56 { gap: 56px; }