/* Safety Video — safety-video.com
   Mobile-first, high-contrast industrial explainer. No stock photos. */

:root {
  --bg: #f2eee4;
  --bg-elev: #fffdf6;
  --ink: #161714;
  --muted: #3e423b;
  --line: #d2c9b4;
  --header: #141613;
  --header-ink: #f2eee4;
  --yellow: #e3b400;
  --yellow-ink: #161400;
  --link: #5c4300;
  --link-hover: #3d2c00;
  --focus: #0054c4;
  --max: 70rem;
  --article: 65ch;
  --radius: 3px;
  --space: 1.25rem;
  --header-h: 4rem;
}

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a {
  color: var(--link);
  text-underline-offset: 0.18em;
}

a:hover { color: var(--link-hover); }

a:focus-visible,
button:focus-visible,
summary:focus-visible,
.btn:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: 0.75rem;
  top: -100px;
  z-index: 100;
  background: var(--yellow);
  color: var(--yellow-ink);
  padding: 0.5rem 0.9rem;
  font-weight: 700;
  text-decoration: none;
}

.skip:focus {
  top: 0.75rem;
}

.wrap {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* Header */
.site-header {
  background: var(--header);
  color: var(--header-ink);
  border-bottom: 4px solid var(--yellow);
  position: sticky;
  top: 0;
  z-index: 20;
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  min-height: var(--header-h);
  padding-block: 0.65rem;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--header-ink);
  text-decoration: none;
  font-weight: 750;
  font-size: 1.15rem;
  letter-spacing: 0.01em;
  line-height: 1;
}

.wordmark:hover { color: var(--yellow); }

.wordmark-mark {
  display: block;
  width: 1.05rem;
  height: 1.05rem;
  flex: 0 0 auto;
  background: repeating-linear-gradient(
    -45deg,
    var(--yellow) 0 4px,
    #141613 4px 8px
  );
  border: 1px solid var(--yellow);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.15rem;
}

.nav a {
  color: var(--header-ink);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.35rem 0;
  border-bottom: 2px solid transparent;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--yellow);
  border-bottom-color: var(--yellow);
}

/* Main */
main {
  flex: 1;
  padding-block: 2rem 3.5rem;
}

.hero {
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 2rem;
}

.kicker {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--yellow-ink);
  background: var(--yellow);
  padding: 0.2rem 0.5rem;
  margin-bottom: 0.85rem;
}

h1, h2, h3 {
  line-height: 1.22;
  font-weight: 750;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

h1 {
  font-size: clamp(1.7rem, 3.4vw, 2.45rem);
  margin: 0 0 1rem;
  max-width: 28ch;
}

.hero h1 { max-width: 18ch; }

.lede {
  font-size: 1.2rem;
  max-width: 62ch;
  margin: 0 0 1rem;
}

h2 {
  font-size: clamp(1.25rem, 2.2vw, 1.55rem);
  margin: 2rem 0 0.7rem;
}

h3 {
  font-size: 1.08rem;
  margin: 1.4rem 0 0.5rem;
}

.prose {
  max-width: var(--article);
}

.prose p,
.prose ul,
.prose ol {
  margin: 0 0 1.05em;
}

.prose ul, .prose ol { padding-left: 1.2em; }

.prose li { margin-bottom: 0.4em; }

.prose strong { font-weight: 750; }

.note {
  background: var(--bg-elev);
  border-left: 4px solid var(--yellow);
  padding: 0.85rem 1rem;
  margin: 1.25rem 0;
}

.note p { margin: 0; }

.meta {
  color: var(--muted);
  font-size: 0.92rem;
  margin: 0 0 1.25rem;
}

/* Cards */
.grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
  margin: 1.25rem 0 2rem;
}

@media (min-width: 640px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
}

.card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-top: 4px solid var(--yellow);
  padding: 1.15rem 1.2rem 1.25rem;
  text-decoration: none;
  color: inherit;
  display: block;
  height: 100%;
}

a.card:hover {
  border-color: var(--ink);
  color: inherit;
}

.card h2, .card h3 {
  margin: 0 0 0.45rem;
  font-size: 1.15rem;
  max-width: none;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.card .more {
  display: inline-block;
  margin-top: 0.7rem;
  font-weight: 700;
  color: var(--link);
  font-size: 0.92rem;
}

/* Buttons */
.btn {
  display: inline-block;
  background: var(--yellow);
  color: var(--yellow-ink);
  font-weight: 750;
  text-decoration: none;
  padding: 0.7rem 1.15rem;
  min-height: 44px;
  line-height: 1.3;
  border: 2px solid var(--yellow-ink);
  border-radius: var(--radius);
}

.btn:hover {
  background: #f0c420;
  color: var(--yellow-ink);
}

.btn-ghost {
  background: transparent;
  border-color: var(--ink);
  color: var(--ink);
}

.btn-ghost:hover {
  background: var(--ink);
  color: var(--bg);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.25rem 0 0.25rem;
}

/* Guide list */
.guide-list {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem;
  border-top: 1px solid var(--line);
}

.guide-list li {
  border-bottom: 1px solid var(--line);
}

.guide-list a {
  display: block;
  padding: 1rem 0.15rem;
  text-decoration: none;
  color: inherit;
}

.guide-list a:hover { background: rgba(227, 180, 0, 0.12); }

.guide-list h2 {
  margin: 0 0 0.3rem;
  font-size: 1.15rem;
}

.guide-list p {
  margin: 0;
  color: var(--muted);
}

/* Footer */
.site-footer {
  background: var(--header);
  color: #c9c6bb;
  padding: 1.75rem 0 2rem;
  font-size: 0.92rem;
  margin-top: auto;
}

.site-footer a { color: var(--yellow); }

.site-footer p { margin: 0 0 0.7rem; max-width: 70ch; }

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
}

.footer-copy {
  color: #8e8c84;
  margin-top: 0.5rem !important;
}

/* 404 */
.notfound h1 { max-width: none; }

/* Tables-as-dl */
.facts {
  display: grid;
  grid-template-columns: 8.5rem 1fr;
  gap: 0.4rem 1rem;
  margin: 0 0 1.25rem;
  max-width: 60ch;
}

.facts dt {
  font-weight: 700;
  margin: 0;
}

.facts dd { margin: 0; }

@media (max-width: 480px) {
  .facts { grid-template-columns: 1fr; }
  .facts dt { margin-top: 0.5rem; }
}

/* Print */
@media print {
  .site-header, .site-footer, .skip, .cta-row, .btn { display: none !important; }
  body { background: #fff; color: #000; }
  a { color: #000; }
  main { padding: 0; }
}

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

.prose h1 { max-width: none; }
.hero h1 { max-width: 16ch; }