/* ==========================================================================
   MIKA — base layer: reset, document defaults, containers, section shell.
   No component looks live here; anything reusable is in components.css.
   ========================================================================== */

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

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

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--mika-font);
  font-size: var(--mika-body);
  line-height: var(--line-height-relaxed);
  color: var(--mika-text);
  background: var(--mika-surface);
  overflow-x: hidden;
}

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

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

a:hover {
  color: var(--mika-accent);
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1, h2, h3, h4, h5, h6, p {
  margin: 0;
}

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

:focus-visible {
  outline: 2px solid var(--mika-accent);
  outline-offset: 3px;
  border-radius: var(--radius-xs);
}

/* --- Layout primitives --------------------------------------------------- */

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

.container--narrow {
  max-width: var(--mika-container-narrow);
}

.section {
  padding-block: 30px;
  /* Offset the fixed header so anchor jumps land under it, not behind it. */
  scroll-margin-top: var(--mika-header-h);
}

.section--alt {
  background: var(--mika-surface-alt);
}

.section--tight {
  padding-block: calc(var(--mika-section-y) * 0.6);
}

.section__heading {
  font-size: var(--mika-display-2);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  letter-spacing: var(--mika-tracking-display);
  color: var(--mika-accent);
  text-transform: uppercase;
  margin-bottom: var(--mika-block-gap);
}

/* --- Accessibility helpers ----------------------------------------------- */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}