/* Base styles — reset, typography defaults, body */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: var(--fs-base);
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  font-weight: var(--fw-regular);
  line-height: var(--lh-base);
  color: var(--color-ink);
  background: var(--color-bg);
}

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

a:hover {
  text-decoration: underline;
}

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

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

ul, ol {
  list-style: none;
}

/* Focus visible — never remove without replacing */
:focus-visible {
  outline: 2px solid var(--color-brand);
  outline-offset: 2px;
}

/* Visually hidden — for screen readers */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--sp-4);
}

@media (min-width: 768px) {
  .container {
    padding-inline: var(--sp-6);
  }
}

@media (min-width: 1440px) {
  .container {
    padding-inline: var(--sp-8);
  }
}

/* Prototype placeholder — remove when P2/P3 content is built */
.proto-placeholder {
  padding: var(--sp-12) var(--sp-4);
  text-align: center;
  color: var(--color-muted);
  font-family: var(--font-body);
}