/* BrightRule — light, editorial, trust-first.
   Type: Georgia (display serif) + system sans for UI. Deliberately webfont-free
   so the product works offline and loads instantly on a single VPS. */

:root {
  --color-paper: #faf8f4;
  --color-surface: #ffffff;
  --color-ink: #162332;
  --color-ink-soft: #44546a;
  --color-line: #e3ddd2;
  --color-accent: #0e7a5f;        /* deep green — interactive */
  --color-accent-ink: #0a5c48;
  --color-bright: #d8f34e;        /* the "bright line" */
  --color-risk-high: #b3261e;
  --color-risk-medium: #9a6a00;
  --color-risk-low: #0e7a5f;
  --color-risk-high-bg: #fbeae9;
  --color-risk-medium-bg: #faf3e0;
  --color-risk-low-bg: #e8f4ef;

  --font-display: Georgia, 'Times New Roman', serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.0625rem);
  --text-hero: clamp(2.5rem, 1.4rem + 5vw, 4.75rem);
  --text-h2: clamp(1.6rem, 1.3rem + 1.2vw, 2.25rem);

  --space-section: clamp(3.5rem, 2.5rem + 4vw, 7rem);
  --radius: 10px;
  --shadow-card: 0 1px 2px rgba(22, 35, 50, 0.06), 0 8px 24px rgba(22, 35, 50, 0.07);

  --duration-fast: 150ms;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: 980px; margin: 0 auto; padding: 0 1.25rem; }
.container-narrow { max-width: 660px; }

.hidden { display: none !important; }
.invisible { visibility: hidden; }

.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;
}

/* --- Header ----------------------------------------------------------- */

.site-header {
  border-bottom: 1px solid var(--color-line);
  background: var(--color-paper);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.brand {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-ink);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}

.brand-mark {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background:
    linear-gradient(to bottom, transparent 42%, var(--color-bright) 42%, var(--color-bright) 62%, transparent 62%),
    var(--color-ink);
}

.header-note {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-ink-soft);
}

/* --- Hero -------------------------------------------------------------- */

.hero { padding: var(--space-section) 0; }

.eyebrow {
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent-ink);
  font-weight: 600;
  margin: 0 0 1rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  line-height: 1.04;
  margin: 0 0 1.5rem;
  letter-spacing: -0.015em;
  max-width: 14ch;
}

.hero h1 em {
  font-style: italic;
  background: linear-gradient(to bottom, transparent 68%, var(--color-bright) 68%, var(--color-bright) 94%, transparent 94%);
}

.hero-lede {
  max-width: 56ch;
  font-size: 1.1rem;
  color: var(--color-ink-soft);
  margin: 0 0 2.25rem;
}

.hero-footnote {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--color-ink-soft);
}

/* --- FAQ ------------------------------------------------------------------ */

.faq { margin-top: calc(var(--space-section) * 0.8); max-width: 660px; }

.faq h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.faq details {
  border-top: 1px solid var(--color-line);
  padding: 0.9rem 0;
}

.faq details:last-of-type { border-bottom: 1px solid var(--color-line); }

.faq summary {
  font-weight: 600;
  cursor: pointer;
  list-style-position: outside;
}

.faq summary:hover { color: var(--color-accent-ink); }

.faq summary:focus-visible {
  outline: 3px solid var(--color-bright);
  outline-offset: 2px;
}

.faq details p {
  margin: 0.75rem 0 0;
  color: var(--color-ink-soft);
}

.faq a { color: var(--color-accent-ink); }

/* --- Buttons ------------------------------------------------------------ */

.btn {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: 1px solid transparent;
  padding: 0.7rem 1.4rem;
  cursor: pointer;
  transition: transform var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out),
              background-color var(--duration-fast) var(--ease-out);
}

.btn:focus-visible {
  outline: 3px solid var(--color-bright);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--color-ink);
  color: #fff;
}

.btn-primary:hover { background: #21344b; transform: translateY(-1px); box-shadow: var(--shadow-card); }
.btn-primary:active { transform: translateY(0); }

.btn-lg { font-size: 1.1rem; padding: 0.9rem 1.8rem; }
.btn-sm { font-size: 0.85rem; padding: 0.4rem 0.9rem; }

.btn-arrow { display: inline-block; margin-left: 0.4rem; transition: transform var(--duration-fast) var(--ease-out); }
.btn-primary:hover .btn-arrow { transform: translateX(3px); }

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

.btn-ghost:hover { background: #f1ede5; }

/* --- Wizard -------------------------------------------------------------- */

.wizard { padding: calc(var(--space-section) * 0.6) 0 var(--space-section); }

.progress ol {
  display: flex;
  gap: 0.5rem;
  list-style: none;
  margin: 0 0 2.25rem;
  padding: 0;
  counter-reset: step;
}

.progress li {
  flex: 1;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-ink-soft);
  padding-top: 0.6rem;
  border-top: 3px solid var(--color-line);
  transition: border-color var(--duration-fast) var(--ease-out);
}

.progress li.active { border-top-color: var(--color-bright); color: var(--color-ink); }
.progress li.done { border-top-color: var(--color-accent); }

fieldset { border: 0; margin: 0; padding: 0; }

/* Compositor-friendly entrance for each wizard step */
.step-enter { animation: step-rise 250ms var(--ease-out); }

@keyframes step-rise {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

legend:focus { outline: none; }

legend {
  font-family: var(--font-display);
  font-size: var(--text-h2);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: 0.75rem;
  padding: 0;
}

.step-hint { color: var(--color-ink-soft); margin: 0 0 1.5rem; }

.field { margin-bottom: 1.5rem; }

.field label,
.field-label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.field-hint {
  display: block;
  font-size: 0.875rem;
  color: var(--color-ink-soft);
  margin-bottom: 0.6rem;
}

input[type='text'],
select {
  width: 100%;
  font: inherit;
  color: var(--color-ink);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 0.7rem 0.9rem;
}

input[type='text']:focus-visible,
select:focus-visible {
  outline: 3px solid var(--color-bright);
  outline-offset: 1px;
  border-color: var(--color-accent);
}

/* Segmented yes/no & employee bands */

.segmented { display: flex; gap: 0.5rem; flex-wrap: wrap; }

.segment input { position: absolute; opacity: 0; pointer-events: none; }

.segment span {
  display: inline-block;
  padding: 0.55rem 1.2rem;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  background: var(--color-surface);
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--duration-fast) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out);
}

.segment span:hover { border-color: var(--color-accent); }

.segment input:checked + span {
  background: var(--color-ink);
  border-color: var(--color-ink);
  color: #fff;
}

.segment input:focus-visible + span {
  outline: 3px solid var(--color-bright);
  outline-offset: 2px;
}

/* Choice cards */

.choice-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 0.75rem;
}

.choice-card {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 0.9rem 1rem;
  cursor: pointer;
  transition: border-color var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
}

.choice-card:hover { border-color: var(--color-accent); }

.choice-card:has(input:checked) {
  border-color: var(--color-accent);
  box-shadow: inset 0 0 0 1px var(--color-accent);
  background: #f4faf8;
}

.choice-card:has(input:focus-visible) {
  outline: 3px solid var(--color-bright);
  outline-offset: 2px;
}

.choice-card input { margin-top: 0.25rem; accent-color: var(--color-accent); }

.choice-label { display: block; font-weight: 600; }
.choice-hint { display: block; font-size: 0.82rem; color: var(--color-ink-soft); }

.form-error {
  background: var(--color-risk-high-bg);
  color: var(--color-risk-high);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  font-weight: 600;
}

.wizard-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 2rem;
}

/* --- Loading -------------------------------------------------------------- */

.loading { padding: var(--space-section) 0; text-align: center; }

.loading h2 { font-family: var(--font-display); }

.loading-line {
  width: 160px;
  height: 6px;
  margin: 0 auto 2rem;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-line) 0%, var(--color-bright) 50%, var(--color-line) 100%);
  background-size: 200% 100%;
  animation: shimmer 1.4s linear infinite;
}

@keyframes shimmer {
  from { background-position: 200% 0; }
  to { background-position: -200% 0; }
}

@media (prefers-reduced-motion: reduce) {
  .loading-line, .step-enter { animation: none; }
  .loading-line { background: var(--color-bright); }
  html { scroll-behavior: auto; }
  .btn, .btn-arrow, .segment span, .choice-card, .progress li { transition: none; }
}

/* --- Results ---------------------------------------------------------------- */

.results { padding: calc(var(--space-section) * 0.6) 0 var(--space-section); }

.results-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.results-header h2 {
  font-family: var(--font-display);
  font-size: var(--text-h2);
  margin: 0;
}

.risk-badge {
  text-align: right;
  border-radius: var(--radius);
  padding: 0.8rem 1.2rem;
  min-width: 170px;
}

.risk-badge-level {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
}

.risk-badge-caption { font-size: 0.82rem; }

.risk-high { background: var(--color-risk-high-bg); color: var(--color-risk-high); }
.risk-medium { background: var(--color-risk-medium-bg); color: var(--color-risk-medium); }
.risk-low { background: var(--color-risk-low-bg); color: var(--color-risk-low); }

.flags {
  display: grid;
  gap: 1rem;
  margin-bottom: 3rem;
}

.flag {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-left-width: 4px;
  border-radius: var(--radius);
  padding: 1.1rem 1.3rem;
  box-shadow: var(--shadow-card);
}

.flag-high { border-left-color: var(--color-risk-high); }
.flag-medium { border-left-color: var(--color-risk-medium); }
.flag-clear, .flag-low { border-left-color: var(--color-risk-low); }

.flag-header h3 {
  font-family: var(--font-display);
  margin: 0.2rem 0 0;
  font-size: 1.15rem;
}

.flag-severity {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.flag-high .flag-severity { color: var(--color-risk-high); }
.flag-medium .flag-severity { color: var(--color-risk-medium); }

.flag p { margin: 0.6rem 0 0; color: var(--color-ink-soft); }
.flag .flag-fix { color: var(--color-ink); }
.flag-ref { font-size: 0.8rem; font-style: italic; }

/* Documents */

.documents-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.documents-header h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin: 0 0 0.25rem;
}

.documents-note { font-size: 0.85rem; color: var(--color-ink-soft); margin: 0; }

.tabs {
  display: flex;
  gap: 0.25rem;
  margin: 1.25rem 0 0;
  border-bottom: 1px solid var(--color-line);
}

.tab {
  font: inherit;
  font-weight: 600;
  background: none;
  border: 0;
  border-bottom: 3px solid transparent;
  padding: 0.6rem 1rem;
  cursor: pointer;
  color: var(--color-ink-soft);
}

.tab[aria-selected='true'] {
  color: var(--color-ink);
  border-bottom-color: var(--color-bright);
}

.tab:focus-visible { outline: 3px solid var(--color-bright); outline-offset: -3px; }

.tab-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-top: 0;
  border-radius: 0 0 var(--radius) var(--radius);
  padding: 1.5rem clamp(1.25rem, 4vw, 2.5rem) 2.5rem;
}

.doc-actions { display: flex; justify-content: flex-end; gap: 0.5rem; margin-bottom: 0.5rem; }

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

.doc {
  max-width: 72ch;
}

.doc h1, .doc h2, .doc h3 { font-family: var(--font-display); line-height: 1.2; }
.doc h1 { font-size: 1.8rem; }
.doc h2 { font-size: 1.3rem; margin-top: 2rem; }
.doc blockquote {
  margin: 1rem 0;
  padding: 0.6rem 1rem;
  border-left: 4px solid var(--color-bright);
  background: var(--color-paper);
  color: var(--color-ink-soft);
  font-size: 0.92rem;
}
.doc blockquote p { margin: 0; }

.table-wrap { overflow-x: auto; }

.doc table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.9rem;
  margin: 1rem 0;
}

.doc th, .doc td {
  text-align: left;
  vertical-align: top;
  border: 1px solid var(--color-line);
  padding: 0.5rem 0.7rem;
}

.doc th { background: var(--color-paper); }

.results-disclaimer {
  margin: 2.5rem 0 1.5rem;
  font-size: 0.85rem;
  color: var(--color-ink-soft);
  border-top: 1px solid var(--color-line);
  padding-top: 1.25rem;
}

/* --- Error view ---------------------------------------------------------- */

.error-view { padding: var(--space-section) 0; text-align: center; }
.error-view h2 { font-family: var(--font-display); }
.error-view p { color: var(--color-ink-soft); margin-bottom: 2rem; }

/* --- Footer ----------------------------------------------------------------- */

.site-footer {
  border-top: 1px solid var(--color-line);
  padding: 2rem 0 3rem;
  margin-top: var(--space-section);
}

.site-footer p { margin: 0.25rem 0; }
.footer-small { font-size: 0.82rem; color: var(--color-ink-soft); }

@media (max-width: 540px) {
  .header-note { display: none; }
  .progress li { font-size: 0; }          /* keep the bars, hide labels */
  .progress li.active { font-size: 0.8rem; }
  .results-header { flex-direction: column; align-items: flex-start; }
  .risk-badge { text-align: left; width: 100%; }

  /* Generous tap targets and full-width actions on small screens */
  .btn-lg { width: 100%; }
  .wizard-nav { gap: 0.75rem; }
  .wizard-nav .btn { flex: 1; padding: 0.9rem 1rem; min-height: 48px; }
  .segment span { padding: 0.7rem 1.3rem; min-height: 44px; display: inline-flex; align-items: center; }
  .choice-card { padding: 1rem; }
  .choice-grid { grid-template-columns: 1fr; }
  .tab { flex: 1; text-align: center; padding: 0.75rem 0.5rem; }
  .tab-panel { padding: 1.25rem 1rem 2rem; }
  .doc table { font-size: 0.8rem; }
  .doc-actions .btn { width: 100%; }
}