/* AtoZTools site stylesheet — components per Brief 4.5, layout per wireframes.
   Tokens live in tokens.css (M1 deliverable) and are referenced, never redefined. */

@font-face {
  font-family: "Inter"; font-style: normal; font-weight: 400; font-display: swap;
  src: url("/assets/fonts/inter-400.woff2") format("woff2");
}
@font-face {
  font-family: "Inter"; font-style: normal; font-weight: 500; font-display: swap;
  src: url("/assets/fonts/inter-500.woff2") format("woff2");
}
@font-face {
  font-family: "Inter"; font-style: normal; font-weight: 600; font-display: swap;
  src: url("/assets/fonts/inter-600.woff2") format("woff2");
}
@font-face {
  font-family: "Inter"; font-style: normal; font-weight: 700; font-display: swap;
  src: url("/assets/fonts/inter-700.woff2") format("woff2");
}
@font-face {
  font-family: "JetBrains Mono"; font-style: normal; font-weight: 400; font-display: swap;
  src: url("/assets/fonts/jetbrains-mono-400.woff2") format("woff2");
}
@font-face {
  font-family: "JetBrains Mono"; font-style: normal; font-weight: 500; font-display: swap;
  src: url("/assets/fonts/jetbrains-mono-500.woff2") format("woff2");
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-ink);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; }
a { color: var(--color-action-blue); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--color-action-blue-hover); }
:focus-visible {
  outline: var(--focus-ring-width) solid var(--focus-ring-color);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}
.visually-hidden {
  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: absolute; left: var(--space-4); top: -100px; z-index: 200;
  background: var(--color-navy); color: #fff; padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm); text-decoration: none; font-weight: var(--weight-semibold);
}
.skip-link:focus { top: var(--space-3); color: #fff; }

.container { max-width: var(--container-max); margin: 0 auto; padding: 0 var(--space-4); }
@media (min-width: 768px) { .container { padding: 0 var(--space-6); } }

h1 { font-size: var(--text-3xl); font-weight: var(--weight-bold); line-height: var(--leading-tight); letter-spacing: -0.01em; margin: var(--space-6) 0 var(--space-3); }
h2 { font-size: var(--text-2xl); font-weight: var(--weight-semibold); line-height: var(--leading-snug); margin: var(--space-10) 0 var(--space-4); }
h3 { font-size: var(--text-lg); font-weight: var(--weight-semibold); margin: var(--space-6) 0 var(--space-2); }
p { margin: 0 0 var(--space-4); }
.page-intro { font-size: var(--text-lg); color: var(--color-ink-2); max-width: 72ch; }
section { margin-bottom: var(--space-4); }

/* ---------- Header (5.2) — markup: templates/header.php ---------- */
.site-header {
  position: static; top: 0; z-index: 100;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-line);
}
/* Brief 5.2: sticky header on desktop only, not on mobile (audit L-2). */
@media (min-width: 1024px) { .site-header { position: sticky; } }
.header-inner { display: flex; align-items: center; gap: var(--space-3); min-height: 64px; }
.logo { display: inline-flex; align-items: center; gap: var(--space-2); text-decoration: none; color: var(--color-navy); font-size: var(--text-xl); font-weight: var(--weight-bold); letter-spacing: -0.01em; flex: none; }
.logo:hover { color: var(--color-navy); }
.logo-text strong { color: var(--color-action-blue); font-weight: var(--weight-bold); }
.logo-mark { flex: none; border-radius: 8px; }
.main-nav { display: none; align-items: center; gap: var(--space-1); margin-left: var(--space-3); }
@media (min-width: 1024px) { .main-nav { display: flex; } }
.nav-link {
  display: inline-flex; align-items: center; gap: var(--space-1);
  padding: var(--space-2) var(--space-3); border-radius: var(--radius-sm);
  color: var(--color-ink); text-decoration: none; font-weight: var(--weight-medium);
  background: none; border: 0; font: inherit; cursor: pointer; min-height: 44px;
}
.nav-link:hover { background: var(--color-surface-alt); color: var(--color-ink); }
.nav-dropdown { position: relative; }
.dropdown-panel {
  position: absolute; top: calc(100% + 6px); left: 0; min-width: 280px; z-index: 110;
  background: var(--color-surface); border: 1px solid var(--color-line);
  border-radius: var(--radius-md); box-shadow: var(--shadow-lg); padding: var(--space-2);
}
.dropdown-panel[hidden] { display: none; }
.dropdown-panel a { display: block; padding: var(--space-2) var(--space-3); border-radius: var(--radius-sm); color: var(--color-ink); text-decoration: none; font-weight: var(--weight-medium); }
.dropdown-panel a:hover { background: var(--color-surface-alt); }
.dropdown-panel .dropdown-all { border-top: 1px solid var(--color-line); margin-top: var(--space-1); font-weight: var(--weight-semibold); }
.header-actions { display: flex; align-items: center; gap: var(--space-1); margin-left: auto; }
.header-search { border-top: 1px solid var(--color-line); padding: var(--space-3) 0; }
.header-search[hidden] { display: none; }
.search-row { display: flex; gap: var(--space-2); }
.search-row input { flex: 1; min-width: 0; }
.icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: var(--radius-sm);
  background: none; border: 1px solid transparent; color: var(--color-ink); cursor: pointer;
}
.icon-btn:hover { background: var(--color-surface-alt); }
@media (min-width: 1024px) { .nav-toggle { display: none; } }
.drawer { border-top: 1px solid var(--color-line); padding: var(--space-3) var(--space-4) var(--space-5); }
.drawer[hidden] { display: none; }
.drawer nav { display: flex; flex-direction: column; }
.drawer a { padding: var(--space-2); border-radius: var(--radius-sm); color: var(--color-ink); text-decoration: none; font-weight: var(--weight-medium); min-height: 44px; display: flex; align-items: center; }
.drawer a:hover { background: var(--color-surface-alt); }
.drawer-heading { font-size: var(--text-sm); font-weight: var(--weight-semibold); color: var(--color-muted); text-transform: uppercase; letter-spacing: 0.04em; margin: var(--space-4) var(--space-2) var(--space-1); }

/* ---------- Breadcrumb ---------- */
.breadcrumb { margin: var(--space-5) 0 0; }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: var(--space-1); list-style: none; margin: 0; padding: 0; font-size: var(--text-sm); color: var(--color-muted); }
.breadcrumb li + li::before { content: "›"; margin-right: var(--space-1); color: var(--color-line-strong); }
.breadcrumb a { color: var(--color-muted); }
.breadcrumb [aria-current] { color: var(--color-ink); font-weight: var(--weight-medium); }

/* ---------- Hero ---------- */
.hero { padding: var(--space-12) 0 var(--space-8); text-align: left; }
.hero-title { font-size: var(--text-4xl); margin: 0 0 var(--space-4); max-width: 22ch; }
@media (min-width: 768px) { .hero-title { font-size: var(--text-5xl); } }
.hero-sub { font-size: var(--text-lg); color: var(--color-ink-2); max-width: 62ch; margin-bottom: var(--space-6); }
.hero-search { display: flex; gap: var(--space-2); max-width: 640px; margin-bottom: var(--space-4); }
.hero-search input { flex: 1; min-width: 0; }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-3); }

/* ---------- Buttons (4.5.1) ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  min-height: var(--control-height); padding: 10px 20px; border-radius: var(--radius-sm);
  font: inherit; font-weight: var(--weight-semibold); text-decoration: none;
  border: 1px solid transparent; cursor: pointer; white-space: nowrap;
  transition: background-color var(--duration-fast) var(--ease-standard),
              border-color var(--duration-fast) var(--ease-standard),
              color var(--duration-fast) var(--ease-standard);
}
.btn-primary { background: var(--color-action-blue); color: #fff; }
.btn-primary:hover { background: var(--color-action-blue-hover); color: #fff; }
.btn-secondary { background: var(--color-surface); color: var(--color-ink); border-color: var(--color-line-strong); }
.btn-secondary:hover { background: var(--color-surface-alt); color: var(--color-ink); }
.btn-ghost { background: transparent; color: var(--color-action-blue); }
.btn-ghost:hover { background: var(--color-action-blue-tint); color: var(--color-action-blue-hover); }
.btn-danger { background: var(--color-error); color: #fff; }
.btn-danger:hover { background: #991B1B; color: #fff; }
.btn-teal { background: var(--color-teal); color: var(--color-navy); }
.btn-teal:hover { background: var(--color-teal-hover); color: var(--color-navy); }
.btn-sm { min-height: 36px; padding: 6px 14px; font-size: var(--text-sm); }
.btn[disabled], .btn:disabled { opacity: 0.55; cursor: not-allowed; }

/* ---------- Forms (4.5.2) ---------- */
input[type="text"], input[type="url"], input[type="email"], input[type="search"],
input[type="number"], input[type="date"], select, textarea {
  font: inherit; color: var(--color-ink); background: var(--color-surface);
  border: 1px solid var(--color-line-strong); border-radius: var(--radius-sm);
  min-height: var(--control-height); padding: 10px 12px; width: 100%;
}
textarea { min-height: 120px; resize: vertical; line-height: var(--leading-normal); }
input::placeholder, textarea::placeholder { color: var(--color-placeholder); opacity: 1; }
input:hover, select:hover, textarea:hover { border-color: var(--color-muted); }
input:focus, select:focus, textarea:focus {
  outline: var(--focus-ring-width) solid var(--focus-ring-color); outline-offset: 1px;
  border-color: var(--color-action-blue);
}
input[aria-invalid="true"], textarea[aria-invalid="true"] { border-color: var(--color-error); }
label { font-weight: var(--weight-medium); display: inline-block; margin-bottom: var(--space-1); }
.field-hint { font-size: var(--text-sm); color: var(--color-muted); margin-top: var(--space-1); }
.field-error { font-size: var(--text-sm); color: var(--color-error); margin-top: var(--space-1); font-weight: var(--weight-medium); }
.form { max-width: 640px; }
.form-field { margin-bottom: var(--space-4); }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.checkbox-row { display: flex; gap: var(--space-2); align-items: flex-start; }
.checkbox-row input { width: 20px; height: 20px; min-height: 0; margin-top: 2px; flex: none; }
.checkbox-row label { font-weight: var(--weight-regular); margin: 0; }

/* ---------- Cards & grids (4.5.3) ---------- */
.grid { display: grid; gap: var(--space-5); margin-bottom: var(--space-8); }
.grid-tools, .grid-categories { grid-template-columns: 1fr; }
@media (min-width: 640px) { .grid-tools, .grid-categories { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .grid-tools { grid-template-columns: repeat(4, 1fr); } .grid-categories { grid-template-columns: repeat(3, 1fr); } }
.grid-articles { grid-template-columns: 1fr; }
@media (min-width: 640px) { .grid-articles { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .grid-articles { grid-template-columns: repeat(3, 1fr); } }
.grid-workflows, .grid-points { grid-template-columns: 1fr; }
@media (min-width: 768px) { .grid-workflows { grid-template-columns: repeat(3, 1fr); } .grid-points { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .grid-points { grid-template-columns: repeat(4, 1fr); } }
.card {
  background: var(--color-surface); border: 1px solid var(--color-line);
  border-radius: var(--radius-md); padding: var(--space-5);
  box-shadow: var(--shadow-xs); display: flex; flex-direction: column; gap: var(--space-2);
}
a.card, .card:has(> .card-link) { transition: box-shadow var(--duration-fast) var(--ease-standard), border-color var(--duration-fast) var(--ease-standard); }
.card:hover { box-shadow: var(--shadow-md); border-color: var(--color-line-strong); }
.tool-card { text-decoration: none; color: inherit; }
.tool-card:hover { color: inherit; }
.tool-card-icon {
  width: 44px; height: 44px; border-radius: var(--radius-md);
  background: var(--color-action-blue-tint); color: var(--color-action-blue);
  display: inline-flex; align-items: center; justify-content: center;
}
.tool-card-icon svg { width: 24px; height: 24px; }
.tool-card-title { font-size: var(--text-lg); margin: 0; }
.tool-card-title a { color: var(--color-ink); text-decoration: none; }
.tool-card-title a:hover { color: var(--color-action-blue); }
.tool-card p, .category-card p, .article-card p { color: var(--color-ink-2); margin: 0; }
.tag {
  display: inline-flex; align-items: center; gap: 4px; align-self: flex-start;
  background: var(--color-surface-alt); color: var(--color-ink-2);
  border: 1px solid var(--color-line); border-radius: var(--radius-full);
  font-size: var(--text-xs); font-weight: var(--weight-medium); padding: 2px 10px;
}
.article-card .article-meta, .article-card .meta { font-size: var(--text-sm); color: var(--color-muted); }
.workflow-steps { margin: 0; padding-left: var(--space-5); color: var(--color-ink-2); }
.workflow-steps li { margin-bottom: var(--space-2); }
.point h3 { margin-top: 0; }
.point p { color: var(--color-ink-2); margin: 0; }
.point { border-top: 3px solid var(--color-teal-text); padding-top: var(--space-3); }
.trust-strip {
  display: flex; flex-wrap: wrap; gap: var(--space-5);
  border-top: 1px solid var(--color-line); padding: var(--space-5) 0 var(--space-8);
  font-weight: var(--weight-medium);
}
.trust-points {
  display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-5);
  list-style: none; margin: 0; padding: 0; width: 100%;
  color: var(--color-teal-text); font-weight: var(--weight-semibold);
}

/* ---------- Alerts (4.5.4) ---------- */
.alert {
  display: flex; gap: var(--space-3); align-items: flex-start;
  border: 1px solid; border-radius: var(--radius-sm); padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-4); font-size: var(--text-sm);
}
.alert .alert-label { font-weight: var(--weight-semibold); }
.alert-info { background: #EFF6FF; border-color: #BFDBFE; color: #1E3A8A; }
.alert-success { background: #ECFDF5; border-color: #A7F3D0; color: #065F46; }
.alert-warning { background: #FFFBEB; border-color: #FDE68A; color: #92400E; }
.alert-error { background: #FEF2F2; border-color: #FECACA; color: #991B1B; }

/* ---------- Accordion / FAQ (4.5.5) ---------- */
.accordion { border-top: 1px solid var(--color-line); margin-bottom: var(--space-8); max-width: 860px; }
.accordion-item { border-bottom: 1px solid var(--color-line); }
.accordion-item summary {
  cursor: pointer; font-weight: var(--weight-semibold); padding: var(--space-4) var(--space-8) var(--space-4) 0;
  list-style: none; position: relative; min-height: 44px;
}
.accordion-item summary::-webkit-details-marker { display: none; }
.accordion-item summary::after {
  content: ""; position: absolute; right: var(--space-2); top: 50%;
  width: 10px; height: 10px; border-right: 2px solid var(--color-muted); border-bottom: 2px solid var(--color-muted);
  transform: translateY(-70%) rotate(45deg); transition: transform var(--duration-fast) var(--ease-standard);
}
.accordion-item[open ] summary::after { transform: translateY(-30%) rotate(225deg); }
.accordion-body { padding: 0 0 var(--space-4); color: var(--color-ink-2); max-width: 72ch; }

/* ---------- Code block (4.5.6) ---------- */
.code-block { position: relative; margin-bottom: var(--space-4); }
.code-block pre {
  background: var(--color-code-bg); color: var(--color-code-text);
  border-radius: var(--radius-sm); padding: var(--space-4);
  font-family: var(--font-mono); font-size: var(--text-sm); line-height: var(--leading-relaxed);
  overflow-x: auto; margin: 0;
}
.code-copy-btn { position: absolute; top: var(--space-2); right: var(--space-2); }
code { font-family: var(--font-mono); font-size: 0.92em; background: var(--color-surface-alt); padding: 1px 5px; border-radius: 4px; }
pre code { background: none; padding: 0; }

/* ---------- Dropzone (4.5.7) ---------- */
.dropzone {
  border: 2px dashed var(--color-line-strong); border-radius: var(--radius-md);
  padding: var(--space-8); text-align: center; color: var(--color-ink-2);
  background: var(--color-surface-alt);
}
.dropzone.is-dragging { border-color: var(--color-action-blue); background: var(--color-action-blue-tint); }
.dropzone strong { color: var(--color-ink); }

/* ---------- Tabs (4.5.8) ---------- */
.tabs { margin-bottom: var(--space-6); }
.tab-list { display: flex; flex-wrap: wrap; gap: var(--space-1); border-bottom: 1px solid var(--color-line); }
.tab-btn {
  font: inherit; font-weight: var(--weight-medium); background: none; border: 0; cursor: pointer;
  padding: var(--space-3) var(--space-4); min-height: 44px; color: var(--color-ink-2);
  border-bottom: 3px solid transparent; margin-bottom: -1px;
}
.tab-btn[aria-selected="true"] { color: var(--color-action-blue); border-bottom-color: var(--color-action-blue); font-weight: var(--weight-semibold); }
.tab-panel { padding-top: var(--space-5); }
.tab-panel[hidden] { display: none; }

/* ---------- Tables (4.5.9) ---------- */
.table-wrap { overflow-x: auto; margin-bottom: var(--space-8); }
.table { border-collapse: collapse; width: 100%; font-size: var(--text-sm); }
.table th, .table td { text-align: left; padding: var(--space-3); border-bottom: 1px solid var(--color-line); vertical-align: top; }
.table thead th { background: var(--color-surface-alt); font-weight: var(--weight-semibold); border-bottom: 2px solid var(--color-line-strong); }
.table tbody tr:hover { background: var(--color-surface-alt); }

/* ---------- Tool workspace ---------- */
.privacy-badge {
  display: flex; gap: var(--space-2); align-items: flex-start;
  border-radius: var(--radius-sm); padding: var(--space-3) var(--space-4); font-size: var(--text-sm);
  max-width: 860px;
}
.privacy-badge svg { flex: none; margin-top: 1px; }
.privacy-badge-browser { background: #ECFDF5; border: 1px solid #A7F3D0; color: #065F46; }
.privacy-badge-server { background: #FFFBEB; border: 1px solid #FDE68A; color: #92400E; }
.privacy-badge-mixed { background: #EFF6FF; border: 1px solid #BFDBFE; color: #1E3A8A; }
.tool-workspace { margin: var(--space-6) 0; }
.workspace-grid { display: grid; gap: var(--space-5); }
@media (min-width: 1024px) { .workspace-grid { grid-template-columns: 1fr 1fr; align-items: start; } }
.workspace-pane { display: flex; flex-direction: column; gap: var(--space-3); }
.workspace-pane textarea { font-family: var(--font-mono); font-size: var(--text-sm); min-height: 260px; }
.action-bar { display: flex; flex-wrap: wrap; gap: var(--space-2); align-items: center; margin: var(--space-4) 0; }
.action-bar .spacer { flex: 1; }
.result-box {
  background: var(--color-surface-alt); border: 1px solid var(--color-line);
  border-radius: var(--radius-sm); padding: var(--space-4); min-height: 120px;
  overflow: auto; max-height: 560px;
}
.result-box pre { margin: 0; font-family: var(--font-mono); font-size: var(--text-sm); white-space: pre-wrap; word-break: break-word; }
.status-line { font-size: var(--text-sm); color: var(--color-muted); min-height: 1.4em; }
.status-line.is-error { color: var(--color-error); font-weight: var(--weight-medium); }
.status-line.is-ok { color: var(--color-success); font-weight: var(--weight-medium); }
.severity { font-weight: var(--weight-bold); font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.04em; padding: 2px 8px; border-radius: var(--radius-full); }
.severity-high { background: #FEF2F2; color: #991B1B; border: 1px solid #FECACA; }
.severity-medium { background: #FFFBEB; color: #92400E; border: 1px solid #FDE68A; }
.severity-low { background: #EFF6FF; color: #1E3A8A; border: 1px solid #BFDBFE; }
.severity-ok { background: #ECFDF5; color: #065F46; border: 1px solid #A7F3D0; }
.tree-view { font-family: var(--font-mono); font-size: var(--text-sm); }
.tree-view details { margin-left: var(--space-4); }
.tree-view summary { cursor: pointer; padding: 2px 0; }
.kbd-hint { font-size: var(--text-xs); color: var(--color-muted); }

/* ---------- Article (5.7) ---------- */
.article-wrap { max-width: 860px; }
.article-body { max-width: 740px; font-size: var(--text-lg); line-height: var(--leading-relaxed); }
.article-body h2 { font-size: var(--text-2xl); }
.article-body h3 { font-size: var(--text-xl); }
.article-body ul, .article-body ol { margin: 0 0 var(--space-4); padding-left: var(--space-6); }
.article-body li { margin-bottom: var(--space-2); }
.article-body pre {
  background: var(--color-code-bg); color: var(--color-code-text); border-radius: var(--radius-sm);
  padding: var(--space-4); overflow-x: auto; font-size: var(--text-sm); line-height: var(--leading-relaxed);
}
.article-body pre code { background: none; color: inherit; }
.article-body table { border-collapse: collapse; width: 100%; font-size: var(--text-sm); margin-bottom: var(--space-5); display: block; overflow-x: auto; }
.article-body th, .article-body td { border: 1px solid var(--color-line); padding: var(--space-2) var(--space-3); text-align: left; }
.article-body blockquote { border-left: 4px solid var(--color-teal-text); margin: 0 0 var(--space-4); padding: var(--space-1) 0 var(--space-1) var(--space-4); color: var(--color-ink-2); }
.byline { color: var(--color-muted); font-size: var(--text-sm); margin-bottom: var(--space-6); }
.toc { background: var(--color-surface-alt); border: 1px solid var(--color-line); border-radius: var(--radius-md); padding: var(--space-4) var(--space-5); margin-bottom: var(--space-6); max-width: 740px; }
.toc-title { font-size: var(--text-base); margin: 0 0 var(--space-2); }
.toc ol { margin: 0; padding-left: var(--space-5); }
.toc li { margin-bottom: var(--space-1); }
.callout { background: var(--color-action-blue-tint); border: 1px solid #BFDBFE; border-radius: var(--radius-md); padding: var(--space-5); margin: var(--space-8) 0; max-width: 740px; }
.callout h2 { margin-top: 0; font-size: var(--text-xl); }
.author-box { border: 1px solid var(--color-line); border-radius: var(--radius-md); padding: var(--space-5); margin: var(--space-8) 0; max-width: 740px; }
.author-box h2 { margin-top: 0; font-size: var(--text-xl); }

/* ---------- Tools index controls ---------- */
.tools-controls { display: flex; flex-wrap: wrap; gap: var(--space-4); align-items: center; justify-content: space-between; margin-bottom: var(--space-6); }
.tools-filter { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.chip {
  font: inherit; font-size: var(--text-sm); font-weight: var(--weight-medium);
  background: var(--color-surface); border: 1px solid var(--color-line-strong); color: var(--color-ink);
  border-radius: var(--radius-full); padding: 8px 16px; min-height: 40px; cursor: pointer;
}
.chip:hover { background: var(--color-surface-alt); }
.chip.is-active { background: var(--color-navy); border-color: var(--color-navy); color: #fff; }
.tools-search { min-width: min(320px, 100%); }

/* ---------- Footer (5.3) — markup: templates/footer.php ---------- */
.site-footer { background: var(--color-navy); color: #C7D2E4; margin-top: var(--space-16); padding: var(--space-12) 0 var(--space-8); }
.footer-grid { display: grid; gap: var(--space-8); grid-template-columns: 1fr; }
@media (min-width: 640px) { .footer-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; } }
.footer-heading { color: #fff; font-size: var(--text-base); margin: 0 0 var(--space-3); }
.site-footer ul { list-style: none; margin: 0 0 var(--space-5); padding: 0; }
.site-footer li { margin-bottom: var(--space-2); }
.site-footer a { color: #C7D2E4; text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.logo-footer { color: #fff; }
.logo-footer:hover { color: #fff; }
.footer-about { color: #9DB1CC; max-width: 34ch; margin-top: var(--space-3); }
.footer-bottom { border-top: 1px solid rgb(255 255 255 / 0.16); margin-top: var(--space-8); padding-top: var(--space-5); font-size: var(--text-sm); color: #9DB1CC; }
.footer-bottom p { margin: 0; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

/* ---------- Next steps (Wave 1b guided chains) ---------- */
.next-steps { margin-top: var(--space-8); border-top: 1px solid var(--color-border); padding-top: var(--space-5); }
.next-steps h3 { margin-top: 0; }
.next-steps ul { margin-bottom: 0; }

/* ---------- Print (Wave 1b): checker reports print as clean documents.
 * Navigation, forms and action bars are screen furniture; a printed or
 * saved-PDF report keeps the results, headings and tables only. */
@media print {
  .site-header, .site-footer, .breadcrumb, .action-bar, .tabs .tab-list,
  .no-print, form { display: none !important; }
  body { background: #fff; color: #000; }
  main { padding: 0; }
  .tool-workspace, .result-box, .card { box-shadow: none !important; border-color: #999 !important; }
  a { color: #000; text-decoration: underline; }
  table { page-break-inside: auto; }
  tr { page-break-inside: avoid; }
}