:root {
  /* Cores — specs/design.md */
  --color-bg: #05070C;
  --color-surface: #0B0F1A;
  --color-card-bg: rgba(17, 22, 36, 0.5);
  --color-card-bg-solid: #11162480;
  --color-text-primary: #F5F7FB;
  --color-text-secondary: #93A0B8;
  --color-border: rgba(255, 255, 255, 0.10);
  --color-border-strong: rgba(255, 255, 255, 0.16);
  --color-border-hover: rgba(255, 255, 255, 0.24);
  --color-surface-hover: rgba(255, 255, 255, 0.06);

  --color-accent-cyan: #28E1EC;
  --color-success: #34D399;
  --color-warning: #F5A623;
  --color-error: #F26D6D;

  /* Paleta revisada em 2026-08-17: foco quase total em azul (referências
     Agex/vosu.ai), violeta/roxo praticamente removidos do sistema visual do
     site (o logo em si mantém seu próprio gradiente azul→violeta, isso não
     muda — só o que o SITE desenha por cima é que passa a ser mono-azul). */
  --brand-blue-deep: #0B3FE0;
  --brand-blue: #2E7BFF;
  --brand-cyan: #28E1EC;
  --brand-violet: #7C5CFA;
  --brand-purple: #B463F0;

  --gradient-brand: linear-gradient(135deg, var(--brand-blue-deep) 0%, var(--brand-blue) 55%, var(--brand-cyan) 100%);
  --gradient-brand-tonal: linear-gradient(135deg, rgba(11, 63, 224, 0.16) 0%, rgba(46, 123, 255, 0.16) 55%, rgba(40, 225, 236, 0.16) 100%);
  /* Preenchimento sólido de botões fica só na faixa escura do azul: testado
     que --gradient-brand completo (que vai até o ciano claro) cai abaixo de
     4.5:1 (AA) com texto branco em cima. Esta variante mede 5.0–7.2:1. */
  --gradient-brand-button: linear-gradient(135deg, var(--brand-blue-deep) 0%, #1958E8 55%, #286ADD 100%);

  /* Tipografia */
  --font-family-base: "Manrope", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --text-h1: clamp(1.9rem, 1.4rem + 2vw, 2.75rem);
  --text-hero-subheadline: clamp(0.95rem, 0.9rem + 0.3vw, 1.05rem);
  --text-h2: clamp(1.6rem, 1.4rem + 1vw, 2.1rem);
  --text-h3: clamp(1.25rem, 1.12rem + 0.6vw, 1.5rem);
  --text-body-lg: clamp(1rem, 0.95rem + 0.2vw, 1.1rem);
  --text-body: clamp(0.95rem, 0.91rem + 0.18vw, 1rem);
  --text-label: clamp(0.75rem, 0.72rem + 0.1vw, 0.8rem);

  --line-height-heading: 1.15;
  --line-height-body: 1.6;

  --weight-regular: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;
  --weight-extrabold: 800;

  /* Espaçamento — grid de 8px */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;
  --space-10: 128px;

  --section-padding-block: var(--space-9);
  --container-padding-inline: var(--space-5);
  --container-max-width: 1280px;

  /* Raios */
  --radius-card: 18px;
  --radius-pill: 9999px;
  --radius-btn-secondary: 12px;
  --radius-input: 12px;
  --radius-panel: 24px;

  /* Media block dos cards (specs/design.md) */
  --media-block-size: 112px;
  --media-block-size-mobile: 96px;

  /* Movimento */
  --transition-fast: 200ms ease-out;
  --transition-base: 280ms ease-out;
  --transition-slow: 350ms ease-out;
  --transition-micro: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-header: 300ms cubic-bezier(0, 0, 0.2, 1);
  --transition-reveal: 550ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Header sticky — pílula flutuante, altura total inclui o padding do wrapper */
  --header-height: 92px;
  --header-bg-top: rgba(5, 7, 12, 0.2);
  --header-bg-scrolled: rgba(11, 15, 26, 0.8);
  --header-blur: 10px;
}

@media (min-width: 768px) {
  :root {
    --container-padding-inline: var(--space-6);
    --section-padding-block: clamp(96px, 10vw, 112px);
  }
}

@media (min-width: 1024px) {
  :root {
    --container-padding-inline: var(--space-8);
    --section-padding-block: 128px;
  }
}