/* Modern reset */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.7;
  color: var(--color-ink);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, picture, svg, video { display: block; max-width: 100%; height: auto; }
input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; padding: 0; }
a { color: inherit; text-decoration: none; }

/* Tipografia editorial */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--color-ink);
}
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); line-height: 1.25; }
p  { max-width: 65ch; }

/* Link inline com sublinhado animado */
.link {
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
  transition: color var(--duration) var(--ease);
}
.link:hover { color: var(--color-accent); }

/* Layout */
.container    { width: 100%; max-width: var(--container);    margin-inline: auto; padding-inline: var(--space-4); }
.container-sm { width: 100%; max-width: var(--container-sm); margin-inline: auto; padding-inline: var(--space-4); }
@media (min-width: 768px) {
  .container, .container-sm { padding-inline: var(--space-5); }
}

section { padding-block: var(--space-7); }
section.tight { padding-block: var(--space-6); }
section.alt { background: var(--color-bg-alt); }

.eyebrow {
  font-family: var(--font-body);
  font-size: var(--fs-small);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.lede { font-size: 1.25rem; color: var(--color-ink-soft); max-width: 60ch; }

/* Skip link (a11y) */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-3);
  background: var(--color-ink);
  color: var(--color-bg);
  padding: var(--space-3) var(--space-4);
  z-index: 9999;
}
.skip-link:focus { top: var(--space-3); }

/* Foco visível */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 800ms var(--ease), transform 800ms var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
}