/* Ultraflow Design Tokens, fonte: spec-identidade-visual-site (Vault) */
:root {
  --canvas: #FAF8F5;
  --surface: #FFFFFF;
  --hairline: #E7E2DA;
  --ink: #16181D;
  --body: #5A5D66;
  --primary: #6D4AFF;
  --primary-deep: #5536D6;
  --primary-soft: #EFEAFF;
  --hero-canvas: #0D0B14;
  --hero-ink: #F7F6FB;
  --success: #1F9D55;
  --warning: #B7791F;
  --error: #C53030;
  --radius-card: 16px;
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}
h1, h2, h3 { font-family: var(--font-display); letter-spacing: -0.02em; }
a { color: var(--primary); }
.btn-primary {
  display: inline-block; position: relative;
  background: linear-gradient(135deg, var(--primary), var(--primary-deep)); color: #fff; border: none;
  padding: 14px 28px; border-radius: 12px; font: 600 16px var(--font-body);
  cursor: pointer; text-decoration: none;
  box-shadow: 0 6px 18px rgba(109,74,255,0.28), inset 0 1px 0 rgba(255,255,255,0.16);
  transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
}
.btn-primary:hover { filter: brightness(1.06); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(109,74,255,0.36), inset 0 1px 0 rgba(255,255,255,0.18); }
.btn-primary:active { transform: translateY(0); box-shadow: 0 4px 12px rgba(109,74,255,0.3), inset 0 1px 0 rgba(255,255,255,0.14); }
.card {
  background: var(--surface); border: 1px solid var(--hairline);
  border-radius: var(--radius-card); padding: 24px;
  box-shadow: 0 2px 10px rgba(22,24,29,0.03);
}
.section { max-width: 1080px; margin: 0 auto; padding: 88px 24px; }
.section h2 { font-size: clamp(28px, 4vw, 40px); margin: 0 0 12px; }
.section .sub { color: var(--body); max-width: 62ch; margin: 0 0 40px; font-size: 17px; }