/* ==========================================================================
   PERES & CO LTDA — BASE STYLES & RESET
   Sem inchaço de dependências, foco em legibilidade e fluidez técnica
   ========================================================================== */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-dark-base);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* Fundo sutil com malha técnica de comando */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(37, 99, 235, 0.08) 0%, transparent 60%),
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 100% 100%, 48px 48px, 48px 48px;
  pointer-events: none;
  z-index: 0;
}

main {
  position: relative;
  z-index: 1;
}

/* Tipografia */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.025em;
}

p {
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
  max-width: 68ch;
}

p:last-child {
  margin-bottom: 0;
}

strong {
  color: var(--text-primary);
  font-weight: 600;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

img, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

button, input, textarea, select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* Containers de Layout */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

/* Classes Utilitárias de Visibilidade e Acessibilidade */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Efeito de Scroll Reveal (Nativo via IntersectionObserver) */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 600ms cubic-bezier(0.16, 1, 0.3, 1), transform 600ms cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-on-scroll.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Respeito irrestrito a usuários com sensibilidade a movimento */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  
  .reveal-on-scroll {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}