:root {
  --bg: #f5efe4;
  --paper: #fffdf8;
  --ink: #1e1c18;
  --muted: #6d665c;
  --line: #dacfbf;
  --accent: #0c7b59;
  --accent-dark: #07563e;
  --highlight: #f0b44d;
  --danger: #b4452f;
  --warning: #b87a15;
  --shadow: 0 24px 50px rgba(33, 28, 20, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top right, rgba(240, 180, 77, 0.25), transparent 30%),
    linear-gradient(180deg, #f8f3ea 0%, #efe5d4 100%);
}

a {
  color: inherit;
}

.shell {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 56px;
}

.hero {
  display: grid;
  gap: 24px;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: start;
}

.hero-card,
.panel,
.sample-card,
.signal-table {
  background: var(--paper);
  border: 1px solid rgba(30, 28, 24, 0.08);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 34px;
}

.eyebrow {
  display: inline-block;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(12, 123, 89, 0.1);
  color: var(--accent-dark);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  font-weight: 600;
  line-height: 1.05;
}

h1 {
  margin-top: 18px;
  font-size: clamp(2.4rem, 4vw, 4.5rem);
}

p {
  line-height: 1.6;
}

.lede {
  max-width: 58ch;
  font-size: 1.05rem;
  color: var(--muted);
}

.stack {
  display: grid;
  gap: 14px;
}

.panel {
  padding: 24px;
}

label span {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  color: var(--muted);
}

input[type="text"] {
  width: 100%;
  padding: 15px 16px;
  border-radius: 14px;
  border: 1px solid var(--line);
  font: inherit;
  background: #fff;
}

.button-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 600;
  cursor: pointer;
}

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

.button--secondary {
  background: transparent;
  border-color: var(--line);
}

.helper {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
}

.grid {
  display: grid;
  gap: 20px;
  margin-top: 28px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.score-ring {
  width: 160px;
  aspect-ratio: 1;
  margin: 8px 0 18px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle, var(--paper) 56%, transparent 57%),
    conic-gradient(var(--accent) calc(var(--score) * 1%), rgba(12, 123, 89, 0.12) 0);
  border: 1px solid rgba(30, 28, 24, 0.08);
}

.score-ring strong {
  font-size: 2.25rem;
}

.band {
  display: inline-block;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
}

.band--strong {
  background: rgba(12, 123, 89, 0.12);
  color: var(--accent-dark);
}

.band--promising {
  background: rgba(240, 180, 77, 0.18);
  color: #83580b;
}

.band--warning,
.band--danger {
  background: rgba(180, 69, 47, 0.12);
  color: var(--danger);
}

.category-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.category-card {
  padding: 16px;
  border-radius: 18px;
  background: #fbf7ef;
  border: 1px solid rgba(30, 28, 24, 0.08);
}

.meter {
  height: 10px;
  margin-top: 10px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(30, 28, 24, 0.08);
}

.meter > span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--highlight), var(--accent));
}

ul.clean {
  margin: 14px 0 0;
  padding-left: 18px;
}

.sample-grid {
  display: grid;
  gap: 18px;
  margin-top: 28px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.sample-card {
  padding: 20px;
}

.sample-card h3 {
  margin-bottom: 10px;
  font-size: 1.15rem;
}

.sample-card p {
  margin: 0 0 14px;
  color: var(--muted);
}

.signal-table {
  margin-top: 24px;
  overflow: hidden;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 12px 14px;
  border-bottom: 1px solid rgba(30, 28, 24, 0.08);
  text-align: left;
  vertical-align: top;
}

th {
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.error {
  border-color: rgba(180, 69, 47, 0.18);
  background: rgba(180, 69, 47, 0.08);
}

.footer {
  margin-top: 36px;
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 900px) {
  .hero,
  .grid,
  .sample-grid,
  .category-grid {
    grid-template-columns: 1fr;
  }
}