:root {
  --ink-900: #15211f;
  --ink-700: #334541;
  --ink-500: #667773;
  --ink-300: #d9e1df;
  --accent: #0e6e6b;
  --accent-dark: #0a5654;
  --accent-soft: #e8f5f3;
  --gold: #b07925;
  --gold-soft: #fff4dd;
  --rose: #ad4053;
  --rose-soft: #fff0f2;
  --paper: #ffffff;
  --band: #f6f8f7;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink-900);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
  overflow-x: hidden;
}

a {
  color: inherit;
}

.container {
  width: calc(100% - 32px);
  max-width: 1024px;
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -48px;
  z-index: 20;
  padding: 8px 12px;
  background: var(--accent);
  color: white;
  border-radius: 6px;
}

.skip-link:focus {
  top: 12px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid color-mix(in srgb, var(--ink-300) 70%, transparent);
  backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: 20px;
}

.brand {
  font-weight: 750;
  text-decoration: none;
  letter-spacing: 0;
}

nav {
  display: flex;
  gap: 18px;
  font-size: 14px;
  color: var(--ink-500);
}

nav a {
  text-decoration: none;
}

nav a:hover {
  color: var(--accent-dark);
}

.hero {
  border-bottom: 1px solid var(--ink-300);
}

.hero .container {
  padding: 56px 0 64px;
}

.eyebrow {
  margin: 0;
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: break-word;
}

h1 {
  margin: 8px 0 0;
  font-size: clamp(42px, 7vw, 72px);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(26px, 4vw, 36px);
  line-height: 1.12;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  line-height: 1.2;
}

.lede {
  max-width: 760px;
  margin: 18px 0 0;
  color: var(--ink-500);
  font-size: 19px;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 16px;
  border-radius: 7px;
  border: 1px solid var(--accent);
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  cursor: pointer;
}

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

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

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

.button.secondary:hover {
  background: var(--accent-soft);
}

.snapshot,
.section-intro,
.hint {
  color: var(--ink-500);
}

.snapshot {
  margin: 24px 0 0;
  font-size: 13px;
}

.section {
  padding: 64px 0;
}

.band {
  background: var(--band);
  border-top: 1px solid var(--ink-300);
  border-bottom: 1px solid var(--ink-300);
}

.prose {
  max-width: 760px;
  color: var(--ink-700);
}

.fit-grid,
.pitfall-grid,
.resource-grid,
.stat-grid,
.winner-grid {
  display: grid;
  gap: 18px;
}

.fit-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 28px;
}

.callout,
.widget,
.stat,
.filters,
.database-summary,
.pitfall-grid article,
.resource-grid a,
.roadmap li,
.winner-card {
  border: 1px solid var(--ink-300);
  border-radius: 8px;
  background: white;
}

.callout {
  padding: 24px;
}

.callout.good {
  border-color: #9bd4b7;
  background: #f1fbf5;
}

.callout.warn {
  border-color: #e2c17f;
  background: var(--gold-soft);
}

ul {
  padding-left: 22px;
}

li + li {
  margin-top: 6px;
}

.widget {
  margin-top: 24px;
  padding: 28px;
  background: color-mix(in srgb, var(--accent-soft) 62%, white);
  border-color: color-mix(in srgb, var(--accent) 35%, var(--ink-300));
}

.check-form {
  display: grid;
  gap: 20px;
  margin-top: 20px;
}

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

legend {
  margin-bottom: 8px;
  font-weight: 700;
}

label {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 30px;
  color: var(--ink-700);
}

input,
select {
  min-height: 42px;
  border: 1px solid var(--ink-300);
  border-radius: 7px;
  padding: 8px 10px;
  color: var(--ink-900);
  background: white;
  font: inherit;
}

input[type="radio"] {
  min-height: auto;
  accent-color: var(--accent);
}

.result {
  margin-top: 22px;
  padding: 18px;
  border-radius: 8px;
  border: 1px solid var(--ink-300);
  background: white;
}

.result.good {
  border-color: #8bc99e;
  background: #f0fbf2;
}

.result.warn {
  border-color: #e1be6f;
  background: var(--gold-soft);
}

.result.bad {
  border-color: #e6a6b1;
  background: var(--rose-soft);
}

.stat-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 22px;
}

.stat {
  padding: 18px;
}

.stat span,
.stat small,
.database-summary span {
  display: block;
  color: var(--ink-500);
  font-size: 12px;
}

.stat strong,
.database-summary strong {
  display: block;
  margin-top: 4px;
  font-size: 26px;
  line-height: 1.1;
}

.database-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 22px;
  margin-top: 28px;
}

.filters {
  position: sticky;
  top: 84px;
  align-self: start;
  display: grid;
  gap: 10px;
  padding: 18px;
}

.filters label {
  margin-top: 8px;
  font-weight: 750;
  color: var(--ink-900);
}

.database-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  padding: 18px;
}

.topic-chart {
  display: grid;
  gap: 10px;
  margin-top: 16px;
  padding: 18px;
  border: 1px solid var(--ink-300);
  border-radius: 8px;
  background: white;
}

.bar-row {
  display: grid;
  grid-template-columns: minmax(130px, 190px) 1fr 40px;
  align-items: center;
  gap: 10px;
  font-size: 13px;
}

.bar-track {
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--ink-300);
}

.bar-fill {
  height: 100%;
  border-radius: 999px;
  background: var(--accent);
}

.article-list {
  display: grid;
  gap: 14px;
  margin-top: 16px;
}

.article-card {
  display: grid;
  gap: 10px;
  padding: 18px;
  border: 1px solid var(--ink-300);
  border-radius: 8px;
  background: white;
}

.article-card a {
  color: var(--ink-900);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.25;
  text-decoration: none;
}

.article-card a:hover {
  color: var(--accent-dark);
  text-decoration: underline;
}

.meta,
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.meta {
  color: var(--ink-500);
  font-size: 13px;
}

.chip {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 750;
}

.article-card p {
  margin: 0;
  color: var(--ink-700);
  font-size: 14px;
}

.roadmap {
  display: grid;
  gap: 14px;
  padding-left: 0;
  margin: 28px 0 0;
  list-style: none;
}

.roadmap li {
  padding: 20px;
}

.roadmap span {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.roadmap p {
  margin-bottom: 0;
  color: var(--ink-700);
}

.winner-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 28px;
}

.winner-card {
  padding: 22px;
}

.winner-kicker {
  margin-bottom: 8px;
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.winner-card p {
  color: var(--ink-700);
}

.winner-card a {
  color: var(--accent-dark);
  font-weight: 800;
}

.pitfall-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 28px;
}

.pitfall-grid article {
  padding: 20px;
}

.pitfall-grid p {
  color: var(--ink-700);
}

.resource-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 28px;
}

.resource-grid a {
  display: block;
  padding: 20px;
  text-decoration: none;
}

.resource-grid a:hover {
  border-color: var(--accent);
}

.resource-grid span {
  display: block;
  margin-top: 6px;
  color: var(--ink-500);
  font-size: 14px;
}

.caveat {
  margin-top: 28px;
  color: var(--ink-500);
  font-size: 14px;
}

.site-footer {
  border-top: 1px solid var(--ink-300);
}

.site-footer .container {
  padding: 28px 0;
  color: var(--ink-500);
  font-size: 14px;
}

@media (max-width: 860px) {
  nav {
    display: none;
  }

  .fit-grid,
  .database-layout,
  .resource-grid,
  .pitfall-grid,
  .winner-grid {
    grid-template-columns: 1fr;
  }

  .filters {
    position: static;
  }

  .stat-grid,
  .database-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .container {
    width: calc(100% - 24px);
  }

  .hero .container,
  .section {
    padding-top: 44px;
    padding-bottom: 44px;
  }

  .stat-grid,
  .database-summary {
    grid-template-columns: 1fr;
  }

  .bar-row {
    grid-template-columns: 1fr 36px;
  }

  .bar-track {
    grid-column: 1 / -1;
  }
}