/* Punchline Industries: one stylesheet, light + dark, WCAG AA contrast. */
:root {
  --bg: #f6f5f2;
  --surface: #ffffff;
  --surface-alt: #f0eee9;
  --border: #e4e1db;
  --text: #1c1917;
  --muted: #57534e;
  --primary: #b45309; /* white text on this is 5.0:1 */
  --on-primary: #ffffff;
  --accent: #f28e1c;
  --accent-soft: #fdebd3;
  --danger: #b91c1c;
  --danger-soft: #fee2e2;
  --success: #15803d;
  --success-soft: #dcfce7;
  --radius: 14px;
  --wrap: 1040px;
  --read: 72ch;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141619;
    --surface: #1f2226;
    --surface-alt: #2a2e33;
    --border: #363a40;
    --text: #f5f5f4;
    --muted: #b8b2ac;
    --primary: #f59e0b;
    --on-primary: #1c1917;
    --accent-soft: #3b2a14;
    --danger: #f87171;
    --danger-soft: #3a1717;
    --success: #4ade80;
    --success-soft: #133222;
  }
}

*,
*::before,
*::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--bg); color: var(--text); font-size: 1.0625rem; line-height: 1.65; }
img { max-width: 100%; }
a { color: var(--primary); text-underline-offset: 0.18em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 1.25rem; }
.skip-link { position: absolute; left: -999px; top: 0.5rem; background: var(--surface); padding: 0.5rem 1rem; z-index: 10; }
.skip-link:focus { left: 0.5rem; }

/* header / footer */
.site-header { background: #25292e; color: #fff; }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 64px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 0.6rem; color: #fff; text-decoration: none; font-weight: 800; letter-spacing: -0.01em; }
.site-header nav ul, .site-footer nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.25rem 1.1rem; }
.site-header nav a { color: #e7e5e4; text-decoration: none; font-weight: 600; padding: 0.5rem 0; display: inline-block; }
.site-header nav a:hover, .site-header nav a[aria-current="page"] { color: var(--accent); }
.site-footer { border-top: 1px solid var(--border); margin-top: 4rem; padding: 2rem 0 3rem; color: var(--muted); font-size: 0.95rem; }
.site-footer nav { margin-bottom: 1rem; }
.fine { margin: 0.4rem 0; }

/* layout */
main { padding: 2.5rem 0 1rem; }
.hero { padding: 3.5rem 0 2rem; }
.hero h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); line-height: 1.1; letter-spacing: -0.02em; margin: 0 0 1rem; }
.lead { font-size: 1.2rem; color: var(--muted); max-width: 60ch; }
.grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.4rem 1.5rem; }
.card h2, .card h3 { margin-top: 0; }
.eyebrow { text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.8rem; font-weight: 700; color: var(--muted); margin: 0 0 0.5rem; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; min-height: 48px; padding: 0 1.3rem; border-radius: 12px; border: 1px solid var(--primary); background: var(--primary); color: var(--on-primary); font: inherit; font-weight: 700; text-decoration: none; cursor: pointer; }
.button.secondary { background: var(--surface); color: var(--text); border-color: var(--border); }
.button.danger { background: var(--danger-soft); color: var(--danger); border-color: var(--danger-soft); }
.button[disabled] { opacity: 0.55; cursor: progress; }
.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin: 1.5rem 0; }

/* long-form documents */
.doc { max-width: var(--read); }
.doc h1 { font-size: clamp(2rem, 4vw, 2.6rem); line-height: 1.15; margin: 0 0 0.25rem; letter-spacing: -0.015em; }
.doc h2 { margin: 2.6rem 0 0.6rem; font-size: 1.45rem; line-height: 1.3; scroll-margin-top: 1rem; }
.doc h3 { margin: 1.8rem 0 0.4rem; font-size: 1.12rem; scroll-margin-top: 1rem; }
.doc li { margin: 0.35rem 0; }
.doc table { width: 100%; border-collapse: collapse; margin: 1rem 0; font-size: 0.97rem; display: block; overflow-x: auto; }
.doc th, .doc td { text-align: left; vertical-align: top; padding: 0.6rem 0.75rem; border-bottom: 1px solid var(--border); }
.doc th { background: var(--surface-alt); }
.meta { color: var(--muted); margin: 0 0 1.5rem; }
.toc { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem 1.5rem; margin: 1.5rem 0; }
.toc ol { margin: 0.4rem 0 0; padding-left: 1.3rem; columns: 2 18rem; column-gap: 2rem; }
.toc li { margin: 0.15rem 0; break-inside: avoid; }
.callout { border-left: 4px solid var(--accent); background: var(--accent-soft); padding: 1rem 1.25rem; border-radius: 0 var(--radius) var(--radius) 0; margin: 1.5rem 0; }
.callout.important { border-left-color: var(--danger); background: var(--danger-soft); }
.callout p:first-child { margin-top: 0; }
.callout p:last-child { margin-bottom: 0; }
.caps { text-transform: uppercase; font-size: 0.97em; letter-spacing: 0.01em; }

/* forms */
form.card { display: grid; gap: 1.1rem; max-width: 640px; }
.field { display: grid; gap: 0.35rem; }
label, legend { font-weight: 700; }
.hint { color: var(--muted); font-size: 0.93rem; font-weight: 400; }
input[type="text"], input[type="email"], select, textarea {
  width: 100%; min-height: 48px; padding: 0.7rem 0.85rem; font: inherit; color: var(--text);
  background: var(--bg); border: 1px solid var(--border); border-radius: 12px;
}
textarea { min-height: 150px; resize: vertical; }
fieldset { border: 1px solid var(--border); border-radius: 12px; padding: 0.8rem 1rem 1rem; margin: 0; }
.choice { display: flex; gap: 0.6rem; align-items: flex-start; margin: 0.4rem 0; font-weight: 400; }
.choice input { width: 1.2rem; height: 1.2rem; margin-top: 0.3rem; accent-color: var(--primary); flex: none; }
.hp { position: absolute !important; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.status { border-radius: 12px; padding: 0.9rem 1.1rem; font-weight: 600; }
.status.ok { background: var(--success-soft); color: var(--success); }
.status.error { background: var(--danger-soft); color: var(--danger); }
.status:empty { display: none; }

details { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 0.2rem 1.1rem; margin: 0.6rem 0; }
details[open] { padding-bottom: 0.8rem; }
summary { cursor: pointer; font-weight: 700; padding: 0.8rem 0; min-height: 44px; }

@media print {
  .site-header, .site-footer, .skip-link, .toc { display: none; }
  body { background: #fff; color: #000; }
  a { color: #000; }
}