/*
 * AcmeUI 0.0.1 — first visual foundation.
 * Intentionally small. This will evolve substantially.
 */

:root {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #17181b;
  background: #f5f5f2;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
}

button,
input,
textarea,
select {
  font: inherit;
}

.ac-page {
  min-height: 100vh;
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 72px 0;
}

.ac-stack {
  display: flex;
  flex-direction: column;
}

.ac-gap-sm { gap: 8px; }
.ac-gap-md { gap: 16px; }
.ac-gap-lg { gap: 28px; }
.ac-gap-xl { gap: 48px; }

.ac-surface {
  padding: 32px;
  border: 1px solid rgba(23, 24, 27, 0.10);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow:
    0 1px 2px rgba(23, 24, 27, 0.04),
    0 12px 40px rgba(23, 24, 27, 0.06);
}

.ac-heading {
  margin: 0;
  letter-spacing: -0.035em;
  line-height: 1.05;
}

.ac-text {
  max-width: 680px;
  margin: 0;
  color: #5f626b;
  font-size: 17px;
  line-height: 1.6;
}

.ac-button {
  align-self: flex-start;
  min-height: 44px;
  padding: 0 18px;
  border: 0;
  border-radius: 12px;
  background: #17181b;
  color: white;
  cursor: pointer;
  transition: transform 120ms ease, opacity 120ms ease;
}

.ac-button:hover {
  transform: translateY(-1px);
}

.ac-button:focus-visible {
  outline: 3px solid rgba(40, 100, 255, 0.45);
  outline-offset: 3px;
}

.ac-button:active {
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .ac-button {
    transition: none;
  }
}