:root {
  color-scheme: light;
  --color-bg: #f4f8fb;
  --color-surface: #ffffff;
  --color-surface-muted: #edf4f7;
  --color-text: #172a3a;
  --color-muted: #526a7c;
  --color-border: #d4e1e8;
  --color-primary: #006f82;
  --color-primary-strong: #005766;
  --color-primary-soft: #dff3f5;
  --color-success: #1f6f46;
  --color-success-bg: #e5f5ec;
  --color-warning: #8a5b00;
  --color-warning-bg: #fff3d6;
  --color-danger: #a52032;
  --color-danger-bg: #fdecef;
  --color-info: #415f75;
  --shadow-sm: 0 1px 2px rgb(23 42 58 / 0.06), 0 4px 14px rgb(23 42 58 / 0.05);
  --shadow-md: 0 8px 30px rgb(23 42 58 / 0.10);
  --radius-sm: 0.55rem;
  --radius-md: 0.9rem;
  --radius-lg: 1.25rem;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4.5rem;
  --font-body: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
}
img, svg { max-width: 100%; height: auto; }
a { color: var(--color-primary); text-decoration-thickness: 0.08em; text-underline-offset: 0.18em; }
a:hover { color: var(--color-primary-strong); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible {
  outline: 3px solid #73c6d3;
  outline-offset: 3px;
}
button, input, select { font: inherit; }
code { font-family: var(--font-mono); font-size: 0.92em; overflow-wrap: anywhere; }
pre {
  max-width: 100%;
  overflow-x: auto;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  background: #10232f;
  color: #edf7fa;
  border-radius: var(--radius-sm);
  padding: var(--space-4);
}
.container { width: min(100% - 2rem, 1200px); margin-inline: auto; }
.narrow { max-width: 880px; }
.skip-link {
  position: absolute;
  inset-inline-start: var(--space-4);
  inset-block-start: -5rem;
  z-index: 20;
  background: var(--color-text);
  color: white;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  transition: inset-block-start 120ms ease;
}
.skip-link:focus { inset-block-start: var(--space-4); color: white; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

.site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: 10;
  background: rgb(244 248 251 / 0.94);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(14px);
}
.header-inner { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: var(--space-5); }
.brand { display: inline-flex; align-items: center; gap: var(--space-3); color: var(--color-text); text-decoration: none; font-weight: 800; font-size: 1.25rem; }
.nav-desktop { display: flex; align-items: center; gap: var(--space-5); }
.nav-desktop a:not(.button) { color: var(--color-text); text-decoration: none; font-weight: 650; }
.nav-desktop a:not(.button):hover { color: var(--color-primary); }
.nav-mobile { display: none; position: relative; }
.nav-mobile summary { cursor: pointer; list-style: none; font-weight: 700; padding: var(--space-2) var(--space-3); border: 1px solid var(--color-border); border-radius: var(--radius-sm); background: var(--color-surface); }
.nav-mobile summary::marker { content: ""; }
.nav-mobile[open] summary { border-radius: var(--radius-sm) var(--radius-sm) 0 0; }
.nav-mobile nav { position: absolute; inset-inline-end: 0; min-width: 240px; background: var(--color-surface); border: 1px solid var(--color-border); border-top: 0; border-radius: 0 0 var(--radius-md) var(--radius-md); box-shadow: var(--shadow-md); padding: var(--space-2); }
.nav-mobile nav a { display: block; padding: var(--space-3); color: var(--color-text); text-decoration: none; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border: 0;
  border-radius: 999px;
  background: var(--color-primary);
  color: white;
  padding: 0.7rem 1.25rem;
  font-weight: 750;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 5px 16px rgb(0 111 130 / 0.22);
  transition: background 120ms ease, transform 120ms ease;
}
.button:hover { background: var(--color-primary-strong); color: white; transform: translateY(-1px); }
.button:disabled { opacity: 0.65; cursor: wait; transform: none; }
.button-small { min-height: 40px; padding: 0.5rem 1rem; font-size: 0.95rem; }
.button-secondary { background: var(--color-primary-soft); color: var(--color-primary-strong); box-shadow: none; }
.button-secondary:hover { background: #ccebef; color: var(--color-primary-strong); }
.button-danger { background: var(--color-danger); box-shadow: none; }
.button-danger:hover { background: #801927; }

.hero { padding: var(--space-8) 0 var(--space-7); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) 380px; gap: var(--space-7); align-items: center; }
.eyebrow { margin: 0 0 var(--space-3); color: var(--color-primary); font-size: 0.82rem; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; }
h1, h2, h3 { line-height: 1.15; margin-block: 0 var(--space-4); }
h1 { font-size: clamp(2.35rem, 7vw, 4.7rem); letter-spacing: -0.045em; max-width: 850px; }
h2 { font-size: clamp(1.5rem, 3vw, 2.15rem); letter-spacing: -0.025em; }
h3 { font-size: 1.18rem; }
p { margin-block: 0 var(--space-4); }
.hero-subline { color: var(--color-muted); font-size: clamp(1.08rem, 2vw, 1.3rem); max-width: 780px; }
.hero-card, .card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-6);
}
.hero-card { min-height: 360px; box-shadow: var(--shadow-md); }
.mini-steps { margin: var(--space-5) 0 0; padding-inline-start: 1.4rem; }
.mini-steps li { margin-block: var(--space-3); font-weight: 650; }

.analysis-form { margin-top: var(--space-6); }
.field-group label, .analysis-form.compact label { display: block; margin-bottom: var(--space-2); font-weight: 800; }
.input-row { display: flex; gap: var(--space-3); align-items: stretch; }
.input-row input {
  flex: 1;
  min-width: 0;
  min-height: 52px;
  border: 1px solid #a9c0cc;
  border-radius: 999px;
  background: white;
  color: var(--color-text);
  padding: 0.75rem 1.15rem;
}
.input-row input[aria-invalid="true"] { border-color: var(--color-danger); box-shadow: 0 0 0 3px var(--color-danger-bg); }
.field-hint, .fineprint { color: var(--color-muted); font-size: 0.94rem; }
.field-error { min-height: 1.5em; color: var(--color-danger); font-weight: 650; }
.form-status { color: var(--color-muted); min-height: 1.5rem; }
.notice-container { margin-top: var(--space-5); padding: var(--space-4); background: var(--color-warning-bg); border: 1px solid #e4c470; border-radius: var(--radius-md); color: #604000; font-weight: 650; }

.section { padding: var(--space-7) 0; }
.section-muted { background: var(--color-surface-muted); }
.section-heading { max-width: 760px; margin-bottom: var(--space-6); }
.card-grid { display: grid; gap: var(--space-4); }
.card-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card h2, .card h3 { font-size: 1.2rem; }
.card p:last-child, .card ul:last-child, .card ol:last-child { margin-bottom: 0; }
.process-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-4); list-style: none; margin: 0; padding: 0; counter-reset: steps; }
.process-grid li { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-5); }
.process-grid span { display: grid; place-items: center; width: 38px; height: 38px; margin-bottom: var(--space-4); border-radius: 50%; background: var(--color-primary); color: white; font-weight: 800; }
.checks h3 { color: var(--color-primary-strong); }
.report-preview { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1fr); gap: var(--space-6); align-items: center; }
.demo-report { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-5); box-shadow: var(--shadow-md); }
.demo-header { display: flex; justify-content: space-between; gap: var(--space-3); color: var(--color-muted); font-family: var(--font-mono); font-size: 0.9rem; }
.demo-tag { display: inline-block; margin-inline-start: var(--space-2); padding: 0.05rem 0.45rem; border-radius: 999px; background: var(--color-warning-bg); color: var(--color-warning); font-size: 0.78rem; font-weight: 800; }
.future-panel { background: #dceff1; border: 1px solid #b8dde3; border-radius: var(--radius-lg); padding: var(--space-6); }
.faq-list details, .narrow details { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: var(--space-4); margin-bottom: var(--space-3); }
.faq-list summary, .narrow summary { cursor: pointer; font-weight: 750; }
.section-link { font-weight: 750; }
.final-cta { text-align: center; }
.final-cta .analysis-form { text-align: left; max-width: 760px; margin-inline: auto; }
.page-hero { background: linear-gradient(180deg, #eef7f9, var(--color-bg)); }
.content-page { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-6); }

.report-header { display: flex; justify-content: space-between; gap: var(--space-6); align-items: flex-start; margin-bottom: var(--space-4); }
.report-header h1 { font-size: clamp(1.8rem, 5vw, 3.2rem); }
.report-actions { display: flex; flex-wrap: wrap; gap: var(--space-3); align-items: center; justify-content: flex-end; }
.meta-list { display: flex; flex-wrap: wrap; gap: var(--space-4); margin: var(--space-4) 0 0; }
.meta-list div { min-width: 150px; }
.meta-list dt { color: var(--color-muted); font-size: 0.86rem; font-weight: 700; }
.meta-list dd { margin: 0; overflow-wrap: anywhere; }
.meta-list.columns { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.summary-grid { display: grid; grid-template-columns: 1.2fr 0.8fr 1fr; gap: var(--space-4); margin-bottom: var(--space-4); }
.summary-card { border-top: 6px solid var(--color-info); }
.summary-card.risk-low { border-top-color: var(--color-success); }
.summary-card.risk-elevated { border-top-color: #d08300; }
.summary-card.risk-high, .summary-card.risk-unknown { border-top-color: var(--color-danger); }
.recommendation { font-size: 1.25rem; font-weight: 800; color: var(--color-text); }
.limits-notice { background: var(--color-warning-bg); border-color: #e4c470; margin-bottom: var(--space-4); }
.report-layout { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: var(--space-4); align-items: start; }
.report-nav { position: sticky; top: 92px; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: var(--space-3); }
.report-nav a { display: block; padding: var(--space-2) var(--space-3); border-radius: var(--radius-sm); color: var(--color-text); text-decoration: none; font-weight: 650; }
.report-nav a:hover { background: var(--color-primary-soft); color: var(--color-primary-strong); }
.report-content { display: grid; gap: var(--space-4); }
.findings-header { display: flex; justify-content: space-between; align-items: flex-start; gap: var(--space-4); }
.filters { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.filters label { display: grid; gap: var(--space-1); color: var(--color-muted); font-size: 0.9rem; font-weight: 700; }
.filters select { min-height: 42px; border: 1px solid var(--color-border); border-radius: var(--radius-sm); padding: 0.35rem 0.6rem; background: white; color: var(--color-text); }
.finding-list { display: grid; gap: var(--space-4); }
.finding { border: 1px solid var(--color-border); border-inline-start: 5px solid var(--color-info); border-radius: var(--radius-md); padding: var(--space-4); }
.finding[data-severity="critical"], .finding[data-severity="high"] { border-inline-start-color: var(--color-danger); }
.finding[data-severity="medium"] { border-inline-start-color: #d08300; }
.finding[data-severity="low"] { border-inline-start-color: var(--color-success); }
.finding-head h3 { margin-top: var(--space-2); }
.evidence-location { color: var(--color-muted); }
.category-label { color: var(--color-muted); font-size: 0.9rem; font-weight: 750; }
.status-pill { display: inline-flex; align-items: center; min-height: 28px; padding: 0.15rem 0.7rem; border-radius: 999px; font-size: 0.84rem; font-weight: 800; background: var(--color-surface-muted); color: var(--color-info); }
.severity-critical, .severity-high, .status-high { background: var(--color-danger-bg); color: var(--color-danger); }
.severity-medium, .status-medium { background: var(--color-warning-bg); color: var(--color-warning); }
.severity-low, .status-low { background: var(--color-success-bg); color: var(--color-success); }
.severity-info { background: var(--color-surface-muted); color: var(--color-info); }
.progress-list { display: grid; gap: var(--space-3); margin: var(--space-5) 0; padding: 0; list-style: none; }
.progress-list li { display: flex; align-items: center; gap: var(--space-3); color: var(--color-muted); }
.progress-list li > span { width: 22px; height: 22px; flex: 0 0 auto; border: 2px solid var(--color-border); border-radius: 50%; background: white; }
.progress-list li[data-state="completed"] { color: var(--color-text); }
.progress-list li[data-state="completed"] > span { border-color: var(--color-success); background: var(--color-success); box-shadow: inset 0 0 0 4px white; }
.progress-list li[data-state="active"] { color: var(--color-primary-strong); font-weight: 800; }
.progress-list li[data-state="active"] > span { border-color: var(--color-primary); border-top-color: transparent; animation: spin 900ms linear infinite; }
.progress-list li[data-state="failed"] { color: var(--color-danger); font-weight: 800; }
.progress-list li[data-state="failed"] > span { border-color: var(--color-danger); background: var(--color-danger-bg); }
.analysis-live { font-weight: 750; }
.alert-card { border-top: 5px solid var(--color-danger); }
.error-card { margin-top: var(--space-7); }

.site-footer { margin-top: var(--space-7); border-top: 1px solid var(--color-border); background: #e7f0f4; padding: var(--space-7) 0 var(--space-5); }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: var(--space-6); }
.footer-brand { margin-bottom: var(--space-3); }
.site-footer h2 { font-size: 1rem; }
.site-footer nav a { display: block; padding-block: var(--space-1); color: var(--color-text); }
.footer-note { margin-top: var(--space-5); color: var(--color-muted); font-size: 0.92rem; }

@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 900px) {
  .nav-desktop { display: none; }
  .nav-mobile { display: block; }
  .hero-grid, .report-preview, .report-layout, .footer-grid { grid-template-columns: 1fr; }
  .hero-card { min-height: auto; }
  .card-grid.three, .process-grid, .summary-grid { grid-template-columns: 1fr; }
  .report-nav { position: static; }
  .report-header, .findings-header { display: grid; }
  .report-actions { justify-content: flex-start; }
}

@media (max-width: 580px) {
  .container { width: min(100% - 1rem, 1200px); }
  .hero { padding-top: var(--space-6); }
  .hero-card, .card, .content-page { padding: var(--space-4); border-radius: var(--radius-md); }
  .input-row { display: grid; }
  .input-row input, .input-row .button { width: 100%; }
  .meta-list.columns { grid-template-columns: 1fr; }
  .filters, .filters label, .filters select { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: 0.01ms !important; }
}

@media print {
  .site-header, .site-footer, .report-actions, .report-nav, .filters, form, .button { display: none !important; }
  body { background: white; color: black; }
  .card, .finding, .report-header { border: 1px solid #999; box-shadow: none; break-inside: avoid; }
  .report-layout, .summary-grid { display: block; }
  details { display: block; }
  details > * { display: block; }
  a { color: black; text-decoration: none; }
}