/* Ready 72 — calm, readable, mobile-first, high contrast, system fonts */
:root {
  --bg: #f7f6f2;
  --surface: #ffffff;
  --ink: #1a1a1a;
  --muted: #4a4a4a;
  --border: #d4d2cb;
  --accent: #2c5f4e;
  --accent-soft: #e6f0ec;
  --link: #1d4f7c;
  --focus: #c47a1a;
  --warn-bg: #fff8e8;
  --warn-border: #c47a1a;
  --ok-bg: #eef6f1;
  --max: 44rem;
  --nav-h: 3.5rem;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
}

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

a {
  color: var(--link);
  text-underline-offset: 0.15em;
}
a:hover { text-decoration-thickness: 2px; }
a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--surface);
  padding: 0.5rem 1rem;
  z-index: 100;
}
.skip:focus { left: 0.5rem; top: 0.5rem; }

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}
.site-header .inner {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0.65rem 1rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.25rem;
}
.brand {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.brand:hover { text-decoration: underline; }
.brand span { font-weight: 500; color: var(--muted); font-size: 0.85rem; margin-left: 0.35rem; }

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.85rem;
  font-size: 0.95rem;
}
.nav a {
  color: var(--ink);
  text-decoration: none;
  padding: 0.2rem 0;
}
.nav a:hover, .nav a[aria-current="page"] {
  color: var(--accent);
  text-decoration: underline;
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}
.wrap-wide { max-width: 56rem; }

h1, h2, h3 {
  line-height: 1.25;
  letter-spacing: -0.02em;
  font-weight: 700;
}
h1 { font-size: clamp(1.6rem, 4vw, 2.1rem); margin: 0 0 0.75rem; }
h2 { font-size: 1.35rem; margin: 2rem 0 0.6rem; color: var(--accent); }
h3 { font-size: 1.1rem; margin: 1.25rem 0 0.4rem; }

p { margin: 0 0 1rem; }
.lede { font-size: 1.15rem; color: var(--muted); }
.muted { color: var(--muted); }
.small { font-size: 0.9rem; }

ul, ol { margin: 0 0 1rem; padding-left: 1.25rem; }
li { margin-bottom: 0.35rem; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.6rem;
  padding: 1rem 1.1rem;
  margin: 0 0 1rem;
}
.card h3 { margin-top: 0; }
.card-grid {
  display: grid;
  gap: 0.85rem;
}
@media (min-width: 640px) {
  .card-grid.cols-2 { grid-template-columns: 1fr 1fr; }
  .card-grid.cols-3 { grid-template-columns: 1fr 1fr 1fr; }
}

.note {
  background: var(--warn-bg);
  border-left: 4px solid var(--warn-border);
  padding: 0.75rem 1rem;
  margin: 1rem 0;
  border-radius: 0 0.4rem 0.4rem 0;
}
.ok-note {
  background: var(--ok-bg);
  border-left: 4px solid var(--accent);
  padding: 0.75rem 1rem;
  margin: 1rem 0;
  border-radius: 0 0.4rem 0.4rem 0;
}

.steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
}
.steps li {
  counter-increment: step;
  position: relative;
  padding: 0.85rem 1rem 0.85rem 3.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.6rem;
  margin-bottom: 0.65rem;
}
.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0.85rem;
  top: 0.85rem;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
}

.btn, button.btn, input[type="submit"].btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 0.4rem;
  padding: 0.55rem 1rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { filter: brightness(1.05); }
.btn:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
.btn:disabled, .btn[aria-disabled="true"] {
  background: #8a8a8a;
  cursor: not-allowed;
  filter: none;
}
.btn-secondary {
  background: var(--surface);
  color: var(--accent);
  border: 2px solid var(--accent);
}
.btn-row { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 1rem 0; }

label { display: block; font-weight: 600; margin-bottom: 0.25rem; }
.field { margin-bottom: 1rem; }
input[type="text"], input[type="number"], input[type="email"], select {
  width: 100%;
  max-width: 22rem;
  padding: 0.5rem 0.65rem;
  font: inherit;
  border: 1px solid var(--border);
  border-radius: 0.35rem;
  background: var(--surface);
  color: var(--ink);
}
input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 1px;
}

.checklist label {
  font-weight: 400;
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
  margin-bottom: 0.4rem;
}
.checklist input { margin-top: 0.3rem; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  margin: 0 0 1rem;
}
th, td {
  border: 1px solid var(--border);
  padding: 0.5rem 0.65rem;
  text-align: left;
  vertical-align: top;
}
th { background: var(--accent-soft); }

.tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--accent-soft);
  color: var(--accent);
  padding: 0.15rem 0.45rem;
  border-radius: 0.25rem;
  margin-right: 0.35rem;
}

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding: 1.5rem 1rem 2.5rem;
  font-size: 0.9rem;
  color: var(--muted);
}
.site-footer .inner {
  max-width: 56rem;
  margin: 0 auto;
}
.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin-bottom: 1rem;
}
.site-footer a { color: var(--muted); }

.hero {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1.25rem 1.25rem 1.35rem;
  margin-bottom: 1.5rem;
}
.tools-soon li { margin-bottom: 0.5rem; }

.result-box {
  background: var(--ok-bg);
  border: 1px solid var(--border);
  border-radius: 0.6rem;
  padding: 1rem;
  margin-top: 1rem;
}
.result-box strong { color: var(--accent); }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  border: 0;
}

@media print {
  .site-header, .site-footer, .btn-row, .no-print { display: none !important; }
  body { background: #fff; }
  .wrap { max-width: none; padding: 0; }
}