/* CSS Base e Global - BWB Engenharia */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--canvas);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

[hidden] {
  display: none !important;
}

/* Acessibilidade - Foco Visível */
:focus-visible {
  outline: 3px solid var(--ink-strong);
  outline-offset: 3px;
}

/* Links Globais */
a {
  color: var(--link);
  text-decoration-underline-offset: 3px;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--ink-strong);
}

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

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

@media (max-width: 1024px) {
  .container {
    padding-left: var(--container-padding-tablet);
    padding-right: var(--container-padding-tablet);
  }
}

@media (max-width: 768px) {
  .container {
    padding-left: var(--container-padding-mobile);
    padding-right: var(--container-padding-mobile);
  }
}

/* Hierarquia de Títulos */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--ink-strong);
  line-height: 1.08;
}

h1 {
  font-size: clamp(2.5rem, 4.5vw, 4.5rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

h2 {
  font-size: clamp(1.85rem, 3vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

h3 {
  font-size: clamp(1.25rem, 1.6vw, 1.6rem);
  font-weight: 600;
  text-wrap: balance;
}

.lead {
  font-size: clamp(1.125rem, 1.3vw, 1.25rem);
  line-height: 1.55;
  color: var(--text-primary);
  max-width: 58ch;
  text-wrap: pretty;
}

/* Tags e Labels Técnicos */
.tag-data {
  font-family: var(--font-data);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.eyebrow {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--mineral);
  display: inline-block;
  margin-bottom: 0.75rem;
}

/* Utilitários Visuais */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-0: 0;
}

.section-padding {
  padding-top: clamp(4.5rem, 8vw, 8.5rem);
  padding-bottom: clamp(4.5rem, 8vw, 8.5rem);
}

.bg-dark {
  background-color: var(--ink-strong);
  color: var(--text-on-dark);
}

.bg-dark h1, .bg-dark h2, .bg-dark h3 {
  color: var(--text-on-dark);
}

.bg-dark .lead, .bg-dark p {
  color: var(--text-secondary-dark);
}

.bg-surface {
  background-color: var(--surface);
}

/* Prefers Reduced Motion */
@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;
  }
}