@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  * { margin: 0; }
  html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 1rem); }
  img, svg, video { display: block; max-width: 100%; height: auto; }
  button, input, select, textarea { font: inherit; color: inherit; }
  button { cursor: pointer; background: none; border: 0; padding: 0; }
  ul[role="list"], ol[role="list"] { list-style: none; padding: 0; }
  a { color: inherit; }
  [hidden] { display: none !important; }
  @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
}

@layer base {
  @view-transition { navigation: auto; }

  body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.65;
    color: var(--text);
    background-color: var(--bg);
    background-image:
      linear-gradient(var(--grid-line) 1px, transparent 1px),
      linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
    background-size: 44px 44px;
    min-height: 100dvh;
    overflow-x: clip;
    padding-bottom: var(--bar-h);
  }
  @media (min-width: 900px) { body { padding-bottom: 0; } }

  h1, h2, h3, h4 { line-height: 1.12; letter-spacing: -0.02em; font-weight: 700; text-wrap: balance; }
  h1 { font-size: clamp(2.2rem, 1.4rem + 4vw, 4rem); letter-spacing: -0.03em; }
  h2 { font-size: clamp(1.7rem, 1.2rem + 2.2vw, 2.7rem); }
  h3 { font-size: 1.15rem; }
  p { text-wrap: pretty; }
  p + p { margin-top: 1em; }
  strong { font-weight: 650; }

  :focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
  ::selection { background: var(--accent); color: var(--accent-ink); }

  .hero__grid > *, .split > *, .contact-grid > *, .bento > *, .pdp > * { min-width: 0; }
  .container { width: min(100% - 2 * var(--gutter), var(--maxw)); margin-inline: auto; }
  .section { padding-block: var(--section); position: relative; }
  .section--alt { background: linear-gradient(180deg, transparent, var(--accent-soft) 40%, transparent); }

  .sr-only {
    position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
    overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
  }
  .skip-link {
    position: fixed; top: 0.5rem; left: 0.5rem; z-index: 200;
    padding: 0.6rem 1rem; border-radius: var(--radius-s);
    background: var(--accent); color: var(--accent-ink); font-weight: 600;
    transform: translateY(-200%);
  }
  .skip-link:focus { transform: none; }

  .mono { font-family: var(--font-mono); }
  .muted { color: var(--text-muted); }
  .eyebrow {
    display: inline-flex; align-items: center; gap: 0.6rem;
    font-family: var(--font-mono); font-size: 0.78rem; font-weight: 500;
    letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent);
  }
  .eyebrow::before { content: ""; width: 1.5rem; height: 1px; background: currentColor; }
  .lead { font-size: clamp(1.05rem, 1rem + 0.4vw, 1.25rem); color: var(--text-muted); max-width: 62ch; }

  .section-head { display: grid; gap: 1rem; margin-bottom: clamp(2rem, 4vw, 3.5rem); max-width: 54rem; }

  .prose { max-width: 70ch; }
  .prose h2 { font-size: 1.5rem; margin: 2.2em 0 0.6em; }
  .prose h3 { margin: 1.6em 0 0.4em; }
  .prose ul { padding-left: 1.2rem; margin-top: 0.6em; }
  .prose li + li { margin-top: 0.4em; }
  .prose a { color: var(--accent); text-underline-offset: 3px; }

  [data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity var(--dur) var(--ease-out), transform var(--dur) var(--ease-out); }
  [data-reveal].is-in { opacity: 1; transform: none; }
  html:not(.js) [data-reveal] { opacity: 1; transform: none; }
  @media (prefers-reduced-motion: reduce) {
    [data-reveal] { opacity: 1; transform: none; transition: none; }
    *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  }
}