:root {
  color-scheme: dark;

  --color-canvas: #050505;
  --color-surface: #0d0d0d;
  --color-surface-soft: #141414;
  --color-ink: #f5f2eb;
  --color-ink-strong: #ffffff;
  --color-ink-muted: rgba(245, 242, 235, 0.62);
  --color-ink-subtle: rgba(245, 242, 235, 0.42);
  --color-border: rgba(245, 242, 235, 0.12);
  --color-border-strong: rgba(245, 242, 235, 0.22);

  --font-sans: "Inter", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-display: "Times New Roman", Georgia, serif;

  --font-size-xs: 0.72rem;
  --font-size-sm: 0.86rem;
  --font-size-md: 1rem;
  --font-size-lg: 1.08rem;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-7: 32px;
  --space-8: 48px;
  --space-9: 64px;
  --space-10: 96px;

  --radius-sm: 6px;
  --radius-md: 12px;

  --transition-base: 180ms ease;

  --container-max: 1200px;
  --container-gutter: clamp(20px, 5vw, 48px);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-canvas);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-feature-settings: "ss01", "cv11";
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  display: block;
  max-width: 100%;
}

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

button,
input,
textarea {
  font: inherit;
}

.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;
}

/* Skip-link: completamente invisível até receber foco via teclado (Tab) */
.skip-link {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 100;
  padding: 12px 18px;
  background: var(--color-ink-strong);
  color: var(--color-canvas);
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: 0 0 6px 0;
  /* clip-path remove o elemento da renderização, mas mantém acessível por teclado */
  clip-path: inset(50%);
  width: 1px;
  height: 1px;
  overflow: hidden;
  white-space: nowrap;
}

.skip-link:focus,
.skip-link:focus-visible {
  clip-path: none;
  width: auto;
  height: auto;
  overflow: visible;
  outline: 2px solid var(--color-ink-strong);
  outline-offset: 2px;
}

.eyebrow {
  margin: 0;
  color: var(--color-ink-subtle);
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-gutter);
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-ink-strong);
  outline-offset: 3px;
  border-radius: 2px;
}