:root {
  color-scheme: light;
  --ink: #111827;
  --muted: #5b6472;
  --soft: #eef1f4;
  --line: #d9dee5;
  --paper: #ffffff;
  --wash: #f6f7f9;
  --green: #0f8f66;
  --blue: #2563eb;
  --red: #b42318;
  --amber: #b7791f;
  --shadow: 0 18px 50px rgba(17, 24, 39, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--wash);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.5;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  border-bottom: 1px solid rgba(217, 222, 229, 0.8);
  background: rgba(246, 247, 249, 0.92);
  backdrop-filter: blur(16px);
}

.nav,
.hero,
.task-strip,
.section,
.footer {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.nav {
  display: flex;
  min-height: 64px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  font-size: 18px;
  font-weight: 800;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}

.nav-links a:hover {
  color: var(--ink);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(360px, 0.98fr);
  gap: 36px;
  align-items: center;
  min-height: calc(100vh - 104px);
  padding: 56px 0 30px;
}

.hero-copy {
  max-width: 700px;
  min-width: 0;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 22px;
  font-size: 88px;
  line-height: 0.95;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

h2 {
  margin-bottom: 12px;
  font-size: 52px;
  line-height: 1.04;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 4px;
  font-size: 16px;
  line-height: 1.25;
}

.lead {
  max-width: 640px;
  color: var(--muted);
  font-size: 20px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 18px;
  font-weight: 750;
}

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

.button.secondary {
  background: white;
}

.score-panel {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-bottom: 1px solid var(--line);
}

.summary-grid > div {
  min-height: 126px;
  padding: 24px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.summary-grid > div:nth-child(2n) {
  border-right: 0;
}

.summary-grid > div:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.metric {
  display: block;
  font-size: 54px;
  font-weight: 850;
  line-height: 1;
}

.label {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.mini-bars {
  display: grid;
  gap: 18px;
  padding: 24px;
}

.bar-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px 16px;
  align-items: center;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.bar-row strong {
  color: var(--ink);
}

.bar-row i,
.bar span {
  display: block;
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--green), var(--blue));
}

.bar-row i {
  grid-column: 1 / -1;
  width: var(--score);
}

.task-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-bottom: 64px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
  overflow: hidden;
}

.task-strip > div {
  min-height: 112px;
  background: white;
  padding: 22px;
}

.strip-number {
  display: block;
  margin-bottom: 8px;
  font-size: 28px;
  font-weight: 850;
}

.section {
  padding: 22px 0 72px;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(280px, 0.85fr) minmax(280px, 1fr);
  gap: 24px;
  align-items: end;
  margin-bottom: 24px;
}

.section-heading .eyebrow {
  grid-column: 1 / -1;
  margin-bottom: -8px;
}

.section-heading p:not(.eyebrow) {
  color: var(--muted);
  font-size: 17px;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  margin-bottom: 20px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.filter-chips {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 4px;
  border-radius: 8px;
  background: var(--soft);
}

.chip {
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  padding: 7px 14px;
  color: var(--muted);
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}

.chip:hover {
  color: var(--ink);
}

.chip.is-active {
  border-color: var(--line);
  background: var(--paper);
  color: var(--ink);
  box-shadow: 0 1px 2px rgba(17, 24, 39, 0.06);
}

.filter-select {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.filter-select select {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
  padding: 8px 10px;
  color: var(--ink);
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}

.filter-count {
  margin: 0 0 0 auto;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.filter-count strong {
  color: var(--ink);
}

.filter-empty {
  margin: 12px 0 0;
  padding: 28px 18px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  background: var(--paper);
  color: var(--muted);
  font-weight: 700;
  text-align: center;
}

.leaderboard {
  display: grid;
  gap: 10px;
}

.result-row {
  display: grid;
  grid-template-columns: 42px minmax(220px, 1.35fr) 96px 82px minmax(120px, 0.9fr) minmax(176px, 0.95fr);
  gap: 18px;
  align-items: center;
  min-height: 78px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  padding: 14px 18px;
}

.result-row.perfect {
  border-color: rgba(15, 143, 102, 0.36);
  box-shadow: 0 10px 30px rgba(15, 143, 102, 0.08);
}

.result-row.is-hidden {
  display: none;
}

.rank {
  display: inline-flex;
  width: 32px;
  height: 32px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--soft);
  color: var(--muted);
  font-weight: 850;
}

.perfect .rank {
  background: rgba(15, 143, 102, 0.12);
  color: var(--green);
}

.who p,
.meta {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.score,
.percent {
  font-weight: 850;
}

.percent {
  color: var(--green);
}

.bar {
  height: 8px;
  border-radius: 999px;
  background: var(--soft);
  overflow: hidden;
}

.meta {
  text-align: right;
}

.compact {
  padding-top: 0;
}

.method {
  display: grid;
  grid-template-columns: minmax(220px, 0.8fr) minmax(280px, 1.2fr);
  gap: 28px;
  align-items: center;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 34px 0;
}

.method p:last-child {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 18px;
}

.footer {
  display: flex;
  min-height: 86px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}

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

@media (max-width: 980px) {
  .hero,
  .section-heading,
  .method {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  h1 {
    font-size: 64px;
  }

  h2 {
    font-size: 42px;
  }

  .metric {
    font-size: 44px;
  }

  .task-strip {
    grid-template-columns: 1fr;
  }

  .result-row {
    grid-template-columns: 38px minmax(0, 1fr) auto;
    gap: 12px;
  }

  .score,
  .bar,
  .meta {
    grid-column: 2 / -1;
  }

  .percent {
    text-align: right;
  }

  .meta {
    text-align: left;
  }
}

@media (max-width: 640px) {
  .nav,
  .hero,
  .task-strip,
  .section,
  .footer {
    width: min(100% - 24px, 1180px);
  }

  .nav {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 8px;
    padding: 12px 0;
  }

  .nav-links {
    width: 100%;
    justify-content: space-between;
    gap: 10px;
    font-size: 13px;
  }

  h1 {
    font-size: 38px;
    line-height: 1.03;
    overflow-wrap: normal;
  }

  h2 {
    font-size: 32px;
  }

  .lead {
    font-size: 17px;
    overflow-wrap: anywhere;
  }

  .metric {
    font-size: 38px;
  }

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

  .summary-grid > div {
    border-right: 0;
  }

  .summary-grid > div:nth-last-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .summary-grid > div:last-child {
    border-bottom: 0;
  }

  .button {
    width: 100%;
  }

  .result-row {
    padding: 14px;
  }

  .filter-count {
    margin-left: 0;
  }

  .filter-select {
    width: 100%;
  }

  .filter-select select {
    flex: 1;
  }

  .footer {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
  }
}