:root {
  --bg: #f5f0e8;
  --bg-accent: #efe4d5;
  --panel: rgba(255, 252, 247, 0.88);
  --line: rgba(63, 43, 28, 0.12);
  --text: #20150f;
  --muted: #6f5a49;
  --accent: #a34b22;
  --accent-2: #135d66;
  --shadow: 0 18px 50px rgba(49, 30, 19, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Manrope", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(163, 75, 34, 0.16), transparent 28%),
    radial-gradient(circle at top right, rgba(19, 93, 102, 0.18), transparent 22%),
    linear-gradient(180deg, #f8f4ed 0%, var(--bg) 100%);
}

.shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 40px 0 72px;
}

.hero {
  display: grid;
  grid-template-columns: 1.6fr 0.7fr;
  gap: 20px;
  align-items: end;
  margin-bottom: 24px;
}

.eyebrow,
.problem-kicker {
  margin: 0 0 10px;
  color: var(--accent);
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  max-width: 12ch;
  font-size: clamp(44px, 8vw, 86px);
  line-height: 0.92;
}

.lede {
  max-width: 56ch;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.6;
}

.hero-stat,
.summary-card,
.card,
.problem {
  border: 1px solid var(--line);
  background: var(--panel);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
}

.hero-stat {
  display: grid;
  gap: 8px;
  padding: 24px;
  border-radius: 26px;
  align-self: stretch;
}

.hero-stat span,
.summary-card span,
.meta-row span {
  color: var(--muted);
  font-size: 13px;
}

.hero-stat strong,
.summary-card strong {
  font-size: 28px;
}

.summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 26px;
}

.summary-card,
.card,
.problem {
  border-radius: 24px;
}

.summary-card {
  padding: 20px;
}

.hypothesis-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.hypothesis-card {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 247, 236, 0.96), rgba(253, 251, 247, 0.88));
  border-radius: 24px;
  box-shadow: var(--shadow);
  padding: 20px;
}

.cards {
  display: grid;
  gap: 22px;
}

.card {
  padding: 24px;
}

.card-top,
.meta-row,
.split,
.metrics {
  display: flex;
  gap: 14px;
}

.card-top,
.split {
  justify-content: space-between;
}

.card-top {
  align-items: start;
  margin-bottom: 12px;
}

.score-pill {
  border-radius: 999px;
  padding: 10px 14px;
  background: #1d6b73;
  color: white;
  font-family: "IBM Plex Mono", monospace;
  font-size: 13px;
}

.meta-row {
  flex-wrap: wrap;
  margin-bottom: 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.split {
  align-items: start;
  gap: 30px;
}

.split h3,
.problem h4 {
  margin: 0 0 10px;
}

.split p,
.problem p,
li {
  color: var(--muted);
  line-height: 1.6;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.problem {
  padding: 18px;
}

.metrics {
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.metrics span {
  border-radius: 999px;
  background: var(--bg-accent);
  padding: 8px 10px;
  font-size: 12px;
}

a {
  color: var(--accent-2);
}

@media (max-width: 920px) {
  .hero,
  .summary,
  .hypothesis-strip,
  .problem-grid,
  .split {
    grid-template-columns: 1fr;
    display: grid;
  }

  h1 {
    max-width: none;
  }
}