:root {
  color-scheme: light;
  --ink: #17202a;
  --muted: #5b6675;
  --line: #d9dee6;
  --paper: #fbfaf7;
  --white: #ffffff;
  --crimson: #a51c30;
  --crimson-dark: #761224;
  --blue: #26547c;
  --green: #2f6f5e;
  --gold: #b7832f;
  --shadow: 0 18px 50px rgba(23, 32, 42, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(251, 250, 247, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 14px 22px;
}

.brand {
  color: var(--crimson);
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}

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

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  gap: 34px;
  align-items: center;
  min-height: calc(100vh - 68px);
  max-width: 1180px;
  margin: 0 auto;
  padding: 70px 22px 48px;
}

.hero-copy h1 {
  max-width: 850px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(42px, 6vw, 82px);
  line-height: 0.98;
  letter-spacing: 0;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--crimson);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.lede {
  max-width: 720px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 20px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid var(--crimson);
  border-radius: 8px;
  color: var(--crimson);
  font-weight: 800;
  text-decoration: none;
}

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

.hero-panel {
  display: grid;
  gap: 16px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.hero-panel div {
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.hero-panel div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.stat {
  display: block;
  color: var(--crimson);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 42px;
  line-height: 1;
}

.label {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.alert-band {
  padding: 18px 22px;
  color: #3b2906;
  background: #f7e8c1;
  border-block: 1px solid #e0c57d;
  font-size: 15px;
}

.alert-band strong {
  color: #7a4c00;
}

.section {
  max-width: 1180px;
  margin: 0 auto;
  padding: 78px 22px;
}

.section.contrast {
  max-width: none;
  background: #eef3f2;
}

.section.contrast > * {
  max-width: 1136px;
  margin-left: auto;
  margin-right: auto;
}

.section-heading {
  margin-bottom: 32px;
}

.section-heading h2 {
  max-width: 840px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(32px, 4vw, 54px);
  line-height: 1.05;
  letter-spacing: 0;
}

.section-heading p:not(.eyebrow) {
  max-width: 760px;
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.requirement-grid,
.pattern-grid,
.strategy-grid,
.timeline {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

article {
  min-width: 0;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

article h3 {
  margin: 0 0 8px;
  font-size: 18px;
  line-height: 1.25;
}

article p {
  margin: 0;
  color: var(--muted);
}

.chart-wrap {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.chart {
  display: grid;
  gap: 12px;
}

.bar-row {
  display: grid;
  grid-template-columns: 150px 1fr 42px;
  gap: 12px;
  align-items: center;
  font-size: 14px;
  font-weight: 800;
}

.bar-track {
  height: 18px;
  overflow: hidden;
  border-radius: 999px;
  background: #e2e8ee;
}

.bar {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--crimson);
}

.pattern-grid {
  margin-top: 18px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.winner-samples {
  margin-top: 26px;
}

.winner-samples h3 {
  margin: 0 0 14px;
}

.winner-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.winner-chip {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  color: var(--ink);
  font-size: 14px;
  font-weight: 750;
  line-height: 1.35;
}

.strategy-grid {
  grid-template-columns: 1.2fr 1fr 1fr;
}

.strategy-grid .large {
  grid-row: span 2;
  background: #102033;
  color: var(--white);
}

.strategy-grid .large p {
  color: #d7e1ea;
  font-size: 18px;
}

.blueprint {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: steps;
}

.blueprint li {
  position: relative;
  min-height: 120px;
  padding: 22px 22px 22px 70px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  color: var(--muted);
}

.blueprint li::before {
  counter-increment: steps;
  content: counter(steps);
  position: absolute;
  top: 20px;
  left: 20px;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  color: var(--white);
  background: var(--green);
  font-weight: 900;
}

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

.timeline article span {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--crimson);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sources ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
}

.sources a {
  color: var(--blue);
  font-weight: 750;
}

.footer {
  padding: 28px 22px;
  color: var(--muted);
  background: #17202a;
  text-align: center;
  font-size: 14px;
}

.footer p {
  max-width: 900px;
  margin: 0 auto;
}

@media (max-width: 900px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    flex-wrap: wrap;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 54px;
  }

  .requirement-grid,
  .pattern-grid,
  .strategy-grid,
  .timeline,
  .winner-list,
  .blueprint {
    grid-template-columns: 1fr;
  }

  .strategy-grid .large {
    grid-row: auto;
  }
}

@media (max-width: 560px) {
  .hero-copy h1 {
    font-size: 42px;
  }

  .nav-links {
    gap: 10px 14px;
  }

  .bar-row {
    grid-template-columns: 1fr 38px;
  }

  .bar-track {
    grid-column: 1 / -1;
    order: 3;
  }
}