:root {
  --vj-ink: #142c55;
  --vj-ink-deep: #0d1d3a;
  --vj-brass: #b08d57;
  --vj-gold: #d4af6a;
  --vj-gold-light: #e9cf95;
  --vj-paper: #f3efe6;
  --vj-paper-deep: #ece6d9;
  --vj-wax: #8c2f2f;
  --vj-wax-rgb: 140 47 47;
  --vj-stone: #d9d2c3;
  --vj-text: #1b2431;
  --vj-text-muted: #5b6573;
  --vj-text-on-ink: #eef0f4;
  --vj-text-on-ink-muted: #a9b3c4;

  --vj-ink-rgb: 20 44 85;
  --vj-brass-rgb: 176 141 87;
  --vj-gold-rgb: 212 175 106;
  --vj-paper-rgb: 243 239 230;

  --vj-font-display: "Libre Caslon Display", "Libre Caslon Text", Georgia, "Times New Roman", serif;
  --vj-font-serif: "Libre Caslon Text", Georgia, "Times New Roman", serif;
  --vj-font-body: "Libre Franklin", "Segoe UI", system-ui, -apple-system, sans-serif;
  --vj-font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --vj-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --vj-dur-fast: 180ms;
  --vj-dur: 320ms;
  --vj-dur-slow: 640ms;

  /* Sombra de papel (offset duro) = identidade; as duas em camadas dão o
     volume premium sem glow, no molde dos tokens do AdmixBrasil. */
  --vj-shadow-doc: 5px 5px 0 var(--vj-ink);
  --vj-shadow-sm: 0 1px 2px rgb(var(--vj-ink-rgb) / 0.06), 0 8px 20px -12px rgb(var(--vj-ink-rgb) / 0.18);
  --vj-shadow-md: 0 2px 4px rgb(var(--vj-ink-rgb) / 0.06), 0 20px 44px -20px rgb(var(--vj-ink-rgb) / 0.26);

  --vj-container: 1140px;
  --vj-gutter: clamp(1.1rem, 4vw, 2.25rem);
  /* A landing é curta de propósito: seção respira, mas nunca gasta uma tela
     inteira em ar (o layout antigo dava 8,5rem de padding e um passo por rolagem). */
  --vj-section: clamp(2.75rem, 5.5vw, 4.5rem);
  --vj-header-h: 4.5rem;

  color-scheme: light;
}

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

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

[id] {
  scroll-margin-top: var(--vj-header-h);
}

body {
  margin: 0;
  background: var(--vj-paper);
  color: var(--vj-text);
  font-family: var(--vj-font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-family: var(--vj-font-display);
  font-weight: 400;
  line-height: 1.08;
  text-wrap: balance;
}

p {
  margin: 0;
  text-wrap: pretty;
}

table {
  border-collapse: collapse;
}

.vj-container {
  width: min(100% - 2 * var(--vj-gutter), var(--vj-container));
  margin-inline: auto;
}

.vj-section {
  padding-block: var(--vj-section);
  position: relative;
}

.vj-rule {
  height: 1px;
  background: var(--vj-brass);
  opacity: 0.55;
}

.vj-rule--double {
  height: 3px;
  border-top: 1px solid var(--vj-brass);
  border-bottom: 1px solid var(--vj-brass);
  opacity: 0.6;
}

.vj-lead {
  font-family: var(--vj-font-serif);
  font-size: clamp(1.0625rem, 1.6vw, 1.25rem);
  line-height: 1.6;
  color: var(--vj-text-muted);
  max-width: 52ch;
}

.vj-small-caps {
  font-family: var(--vj-font-body);
  font-variant-caps: all-small-caps;
  letter-spacing: 0.04em;
  font-weight: 600;
}

.vj-mono {
  font-family: var(--vj-font-mono);
  letter-spacing: 0.02em;
}

.vj-italic-wax {
  font-family: var(--vj-font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--vj-wax);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.95rem 1.85rem;
  border: 1px solid var(--vj-ink);
  background: transparent;
  color: var(--vj-ink);
  font-family: var(--vj-font-body);
  font-variant-caps: all-small-caps;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  white-space: nowrap;
  transition: background var(--vj-dur-fast) var(--vj-ease), color var(--vj-dur-fast) var(--vj-ease);
}

.btn:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.btn--gold {
  background: var(--vj-gold);
  border-color: var(--vj-ink);
  color: var(--vj-ink-deep);
}

.btn--on-ink {
  border-color: var(--vj-paper);
  color: var(--vj-paper);
}

.btn--sm {
  padding: 0.55rem 1.1rem;
  font-size: 0.875rem;
}

.skip-link {
  position: absolute;
  left: 0.5rem;
  top: -3rem;
  z-index: 100;
  background: var(--vj-ink);
  color: var(--vj-paper);
  padding: 0.6rem 1rem;
  font-size: 0.9rem;
  transition: top var(--vj-dur-fast) var(--vj-ease);
}

.skip-link:focus {
  top: 0.5rem;
}

.vj-reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity var(--vj-dur-slow) var(--vj-ease), transform var(--vj-dur-slow) var(--vj-ease);
  transition-delay: var(--vj-delay, 0ms);
}

.vj-reveal.is-in {
  opacity: 1;
  transform: none;
}

.vj-stagger > :nth-child(1) { --vj-delay: 0ms; }
.vj-stagger > :nth-child(2) { --vj-delay: 70ms; }
.vj-stagger > :nth-child(3) { --vj-delay: 140ms; }
.vj-stagger > :nth-child(4) { --vj-delay: 210ms; }
.vj-stagger > :nth-child(5) { --vj-delay: 280ms; }
.vj-stagger > :nth-child(6) { --vj-delay: 350ms; }

.vj-num {
  font-variant-numeric: tabular-nums lining-nums;
}

.vj-sr {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

:focus-visible {
  outline: 2px solid var(--vj-wax);
  outline-offset: 3px;
}

::selection {
  background: rgb(var(--vj-gold-rgb) / 0.35);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .vj-reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}