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

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

body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: var(--weight-regular);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

@media (pointer: fine) {
  body {
    cursor: none;
  }
  
  a, button, [data-hover], input, textarea, .portfolio-item, .servico-card, .processo-step, .depoimento-card, .stat-item, .tech-item, .contato-link {
    cursor: none;
  }
}

::selection {
  background-color: var(--color-accent);
  color: var(--color-bg);
}

::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--color-text-muted);
  border-radius: var(--radius-full);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--weight-medium);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

h1 { font-size: var(--text-h1); }
h2 { font-size: var(--text-h2); }
h3 { font-size: var(--text-h3); }
h4 { font-size: var(--text-h4); }

p {
  max-width: 65ch;
}

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

.mono {
  font-family: var(--font-mono);
  font-size: var(--text-small);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.section {
  display: grid;
  grid-template-columns: var(--grid-desktop);
  gap: var(--grid-gap);
  padding: var(--base-padding-y) var(--base-padding-x);
  position: relative;
}

@media (max-width: 812px) {
  .section {
    grid-template-columns: var(--grid-mobile);
  }
}

.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;
}

.overflow-hidden {
  overflow: hidden;
}

.gpu {
  transform: translateZ(0);
  will-change: transform;
}

/* Background Visual Elements */
.bg-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

.bg-grid-dense {
  background-size: 30px 30px;
}

.bg-dots {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.08) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
  z-index: 0;
}

.bg-gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.15;
  pointer-events: none;
  z-index: 0;
}

.bg-gradient-orb-primary {
  background: var(--color-primary);
}

.bg-gradient-orb-accent {
  background: var(--color-accent);
}

.cross-decoration {
  position: absolute;
  width: 20px;
  height: 20px;
  pointer-events: none;
  z-index: 0;
}

.cross-decoration::before,
.cross-decoration::after {
  content: '';
  position: absolute;
  background: var(--color-text-muted);
  opacity: 0.3;
}

.cross-decoration::before {
  width: 1px;
  height: 100%;
  left: 50%;
  transform: translateX(-50%);
}

.cross-decoration::after {
  width: 100%;
  height: 1px;
  top: 50%;
  transform: translateY(-50%);
}

.floating-number {
  position: absolute;
  font-family: var(--font-mono);
  font-size: clamp(4rem, 8vw, 10rem);
  font-weight: var(--weight-bold);
  color: var(--color-text);
  opacity: 0.03;
  pointer-events: none;
  z-index: 0;
  line-height: 1;
}

.section-bg {
  position: relative;
  overflow: hidden;
}

.section-bg > *:not(.bg-grid):not(.bg-dots):not(.bg-gradient-orb):not(.cross-decoration):not(.floating-number) {
  position: relative;
  z-index: 1;
}