:root {
  color-scheme: light;
  --ink: #17211b;
  --muted: #526158;
  --subtle: #6f7c73;
  --line: #d9e3dc;
  --paper: #f7faf7;
  --panel: #ffffff;
  --accent: #1f6b4a;
  --accent-dark: #12442e;
  --accent-soft: #e3f1e9;
  --warn: #7a3d12;
  --warn-soft: #fff1df;
  --shadow: 0 14px 40px rgba(23, 33, 27, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

a {
  color: inherit;
}

.site-header,
main,
.site-footer {
  width: min(100% - 32px, 1120px);
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 0;
}

.brand {
  color: var(--accent-dark);
  font-weight: 800;
  text-decoration: none;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 18px;
  color: var(--muted);
  font-size: 0.95rem;
}

.site-nav a {
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a:focus {
  color: var(--accent-dark);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  gap: 32px;
  align-items: start;
  padding: 54px 0 40px;
  border-top: 1px solid var(--line);
}

.hero-copy {
  max-width: 780px;
}

.hero-panel,
.form-card,
.result-panel,
.record-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.hero-panel {
  padding: 24px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 18px;
  font-size: clamp(2.45rem, 7vw, 5rem);
  line-height: 0.98;
}

h2 {
  margin-bottom: 12px;
  font-size: clamp(1.6rem, 3vw, 2.55rem);
  line-height: 1.08;
}

.hero-panel h2,
.result-panel h2 {
  font-size: 1.35rem;
  line-height: 1.2;
}

h3 {
  margin-bottom: 8px;
  font-size: 1.08rem;
}

.lede {
  max-width: 700px;
  color: var(--muted);
  font-size: 1.2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 11px 18px;
  border: 1px solid var(--accent);
  border-radius: 7px;
  font: inherit;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

.button.primary {
  background: var(--accent);
  color: #ffffff;
}

.button.primary:hover,
.button.primary:focus {
  background: var(--accent-dark);
}

.button.secondary {
  background: transparent;
  color: var(--accent-dark);
}

.button.full {
  width: 100%;
  margin-top: 4px;
}

.tool-section,
.content-section {
  padding: 46px 0;
  border-top: 1px solid var(--line);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 24px;
}

.section-heading p,
.content-section > p,
.hero-panel p,
.result-panel p,
.record-card p {
  color: var(--muted);
}

.tool-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.85fr) minmax(320px, 1.15fr);
  gap: 24px;
  align-items: start;
}

.form-card,
.result-panel,
.record-card {
  padding: 22px;
}

.form-card {
  display: grid;
  gap: 16px;
}

.field-row {
  display: grid;
  gap: 7px;
}

label,
legend {
  color: var(--ink);
  font-weight: 800;
}

label span {
  color: var(--subtle);
  font-weight: 600;
}

input,
select {
  width: 100%;
  min-height: 42px;
  border: 1px solid #cbd8d0;
  border-radius: 7px;
  background: #ffffff;
  color: var(--ink);
  font: inherit;
  padding: 9px 10px;
}

input:focus,
select:focus,
button:focus,
a:focus {
  outline: 3px solid rgba(31, 107, 74, 0.22);
  outline-offset: 2px;
}

fieldset {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.option {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 8px;
  align-items: start;
  color: var(--muted);
  font-weight: 650;
}

.option input {
  width: 18px;
  min-height: 18px;
  margin-top: 3px;
}

.result-panel {
  position: sticky;
  top: 18px;
}

.empty-state,
.confidence {
  display: grid;
  gap: 4px;
  margin: 18px 0;
  padding: 14px;
  border: 1px solid #cbe0d3;
  border-radius: 8px;
  background: var(--accent-soft);
}

.empty-state span,
.confidence span {
  color: var(--muted);
}

.result-block {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.result-block.warning {
  padding: 16px;
  border: 1px solid #efd6b9;
  border-radius: 8px;
  background: var(--warn-soft);
  color: var(--warn);
}

ul,
ol {
  padding-left: 22px;
}

li + li {
  margin-top: 8px;
}

.check-list {
  display: grid;
  gap: 10px;
  margin-bottom: 0;
  color: var(--muted);
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.category-grid article,
.split-panel > div,
.checklist-section,
.next-links {
  border-top: 3px solid var(--accent);
  background: rgba(255, 255, 255, 0.58);
  padding: 18px;
}

.category-grid p,
.split-panel p {
  color: var(--muted);
}

.split-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 22px;
}

.record-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.record-grid span {
  padding: 6px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper);
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.86rem;
}

.small-note {
  margin: 18px 0 0;
  font-size: 0.95rem;
}

.checklist-section {
  display: grid;
  grid-template-columns: minmax(240px, 0.7fr) minmax(280px, 1.3fr);
  gap: 28px;
  align-items: start;
}

.number-list {
  margin: 0;
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.link-grid a {
  display: grid;
  gap: 8px;
  min-height: 112px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
}

.link-grid span {
  color: var(--subtle);
  font-size: 0.9rem;
  font-weight: 700;
}

dl {
  display: grid;
  gap: 8px;
  margin: 0;
}

dl div {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
}

dt {
  color: var(--subtle);
  font-weight: 800;
}

dd {
  margin: 0;
}

.site-footer {
  padding: 32px 0 48px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 900px) {
  .hero,
  .tool-grid,
  .category-grid,
  .split-panel,
  .checklist-section,
  .link-grid {
    grid-template-columns: 1fr;
  }

  .result-panel {
    position: static;
  }
}

@media (max-width: 640px) {
  .site-header,
  main,
  .site-footer {
    width: min(100% - 24px, 1120px);
  }

  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .hero {
    padding-top: 34px;
  }

  h1 {
    font-size: 2.55rem;
  }

  .hero-panel,
  .form-card,
  .result-panel,
  .record-card {
    padding: 18px;
  }

  dl div {
    grid-template-columns: 1fr;
    gap: 2px;
  }
}