:root {
  --ink: #111827;
  --muted: #4b5563;
  --paper: #fbfaf7;
  --white: #ffffff;
  --gold: #c99a2e;
  --gold-dark: #8a6417;
  --blue: #102033;
  --red: #8f1d1d;
  --line: rgba(17, 24, 39, 0.12);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
}

a { color: var(--red); text-decoration: none; }
a:hover { text-decoration: underline; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(251, 250, 247, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.nav {
  max-width: 1120px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--blue);
  font-family: Arial, Helvetica, sans-serif;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 14px;
}

.nav-links a { color: var(--ink); font-weight: 600; }

.hero {
  max-width: 1120px;
  margin: 0 auto;
  padding: 64px 24px 48px;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.75fr);
  gap: 48px;
  align-items: center;
}

.hero-text h1 {
  margin: 0 0 18px;
  font-size: clamp(42px, 6vw, 76px);
  line-height: 0.95;
  color: var(--blue);
}

.kicker {
  color: var(--gold-dark);
  font-family: Arial, Helvetica, sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 13px;
  font-weight: 800;
  margin-bottom: 12px;
}

.subtitle {
  font-size: clamp(21px, 3vw, 31px);
  line-height: 1.22;
  color: var(--ink);
  margin: 0 0 24px;
  font-weight: 700;
}

.lede {
  font-size: 19px;
  color: var(--muted);
  max-width: 720px;
}

.cover {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 16px;
  box-shadow: 0 26px 70px rgba(16, 32, 51, 0.16);
}

.cover img {
  width: 100%;
  display: block;
  border-radius: 14px;
}

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

.button {
  display: inline-block;
  background: var(--blue);
  color: var(--white);
  padding: 13px 18px;
  border-radius: 999px;
  font-family: Arial, Helvetica, sans-serif;
  font-weight: 800;
  border: 1px solid var(--blue);
}

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

.button:hover { text-decoration: none; opacity: 0.9; }

main {
  max-width: 920px;
  margin: 0 auto;
  padding: 16px 24px 72px;
}

.section {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: clamp(24px, 4vw, 42px);
  margin: 24px 0;
  box-shadow: 0 10px 28px rgba(16, 32, 51, 0.06);
}

.section h2 {
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.08;
  color: var(--blue);
  margin: 0 0 16px;
}

.section h3 {
  font-size: 24px;
  margin: 30px 0 8px;
  color: var(--blue);
}

.framework-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  margin: 26px 0 12px;
}

.card {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
  background: linear-gradient(180deg, #fff, #fbfaf7);
}

.card strong {
  display: block;
  color: var(--red);
  font-family: Arial, Helvetica, sans-serif;
  text-transform: uppercase;
  letter-spacing: .05em;
  font-size: 13px;
  margin-bottom: 7px;
}

.quote {
  font-size: clamp(25px, 4vw, 42px);
  line-height: 1.12;
  font-weight: 800;
  color: var(--blue);
  border-left: 6px solid var(--gold);
  padding-left: 22px;
  margin: 8px 0 26px;
}

.simple-list {
  columns: 2;
  column-gap: 32px;
}

.simple-list li {
  break-inside: avoid;
  margin-bottom: 8px;
}

.notice {
  background: #fff8e7;
  border: 1px solid rgba(201, 154, 46, 0.35);
  border-radius: 18px;
  padding: 18px;
  margin: 22px 0;
}

.footer {
  border-top: 1px solid var(--line);
  padding: 28px 24px;
  text-align: center;
  color: var(--muted);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 14px;
}

.footer p { margin: 8px 0; }

.footer a { font-weight: 700; }

@media (max-width: 850px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 42px;
  }

  .cover { max-width: 380px; }

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

  .simple-list { columns: 1; }

  .nav {
    align-items: flex-start;
    flex-direction: column;
  }
}