/* =========================================================
   Technoknowledge: base.css
   Reset, typography, links, images, focus, utilities.
   ========================================================= */

/* ---- 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) + 16px);
}
body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, picture, svg, video { display: block; max-width: 100%; }
img { height: auto; }
input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; padding: 0; }
ul[role="list"], ol[role="list"] { list-style: none; padding: 0; }
table { border-collapse: collapse; width: 100%; }
fieldset { border: 0; padding: 0; min-width: 0; }
legend { padding: 0; margin-bottom: 7px; }

/* ---- headings ---- */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--navy);
  line-height: 1.18;
  letter-spacing: -0.02em;
  font-weight: 700;
  text-wrap: balance;
}
h1 { font-size: var(--fs-h1); font-weight: 800; letter-spacing: -0.03em; }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); letter-spacing: -0.015em; }
h4 { font-size: var(--fs-h4); letter-spacing: -0.01em; }
p { text-wrap: pretty; }
p + p { margin-top: 1em; }
strong, b { font-weight: 700; }
small { font-size: var(--fs-sm); }

/* highlight inside headings: <span class="hl">Producers</span> */
.hl {
  background: linear-gradient(transparent 62%, var(--yellow) 62%, var(--yellow) 92%, transparent 92%);
  padding: 0 0.08em;
}

/* ---- links ---- */
a { color: var(--blue); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--navy); }

/* ---- focus (keyboard users) ---- */
:focus { outline: none; }
:focus-visible { outline: none; box-shadow: var(--focus-ring); border-radius: 6px; }

/* ---- selection ---- */
::selection { background: var(--yellow); color: var(--navy); }

/* ---- accessibility helpers ---- */
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 1000;
  background: var(--navy); color: #fff; padding: 10px 16px; border-radius: var(--radius-sm);
  font-weight: 700; text-decoration: none; transition: top var(--t-fast);
}
.skip-link:focus { top: 12px; color: #fff; }

/* ---- text utilities ---- */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.lead { font-size: var(--fs-lg); color: var(--text-muted); line-height: 1.6; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-heading); font-size: var(--fs-xs); font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--blue);
}
.eyebrow::before {
  content: ""; width: 18px; height: 3px; border-radius: 2px; background: var(--yellow);
}
.section-head--center .eyebrow { justify-content: center; }
@media (max-width: 639px) {
  .eyebrow { letter-spacing: 0.08em; }
  .section-head--center .eyebrow::before { display: none; }
}
.todo { background: var(--yellow-soft); outline: 1px dashed var(--orange); padding: 0 4px; border-radius: 4px; }

/* ---- scroll reveal (JS adds .is-visible) ---- */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity 600ms var(--ease), transform 600ms var(--ease); }
.js .reveal.is-visible { opacity: 1; transform: none; }

/* ---- reduced motion ---- */
@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; }
  .js .reveal { opacity: 1; transform: none; }
}