:root {
  --navy: #17324d;
  --blue: #2e75b6;
  --paper: #f7f2e8;
  --white: #fffdf8;
  --rust: #b64d35;
  --gold: #f2c96d;
  --ink: #1c2730;
  --muted: #65717a;
  --line: rgba(23, 50, 77, 0.2);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body { margin: 0; background: var(--paper); }

img { display: block; max-width: 100%; }

a { color: inherit; }

.skip-link {
  position: fixed;
  z-index: 100;
  top: 10px;
  left: 10px;
  padding: 10px 14px;
  background: var(--white);
  transform: translateY(-160%);
}

.skip-link:focus { transform: translateY(0); }

.site-header {
  min-height: 68px;
  padding: 0 clamp(20px, 6vw, 84px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
  background: rgba(247, 242, 232, 0.96);
}

.brand { font-weight: 850; text-decoration: none; }

nav { display: flex; flex-wrap: wrap; gap: 24px; }

nav a {
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
}

.hero {
  min-height: calc(100svh - 68px);
  padding: clamp(56px, 7vw, 100px) clamp(20px, 6vw, 84px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(480px, 1.15fr);
  align-items: center;
  gap: clamp(36px, 5vw, 80px);
  background: var(--white);
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--rust);
  font-size: 0.75rem;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1, h2 {
  margin: 0;
  color: var(--navy);
  letter-spacing: -0.045em;
  line-height: 1;
}

h1 { max-width: 820px; font-size: clamp(3.15rem, 5vw, 5.8rem); }

h2 { font-size: clamp(2.45rem, 4.7vw, 5.4rem); }

.hero-deck {
  max-width: 690px;
  margin: 30px 0 0;
  color: #44515b;
  font-size: clamp(1.08rem, 1.8vw, 1.4rem);
  line-height: 1.55;
}

.hero-actions {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 22px;
}

.button {
  display: inline-flex;
  min-height: 52px;
  padding: 0 22px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--navy);
  font-weight: 820;
  text-decoration: none;
}

.button-buy { background: var(--navy); color: var(--white); }

.button:hover, .button:focus-visible { background: transparent; color: var(--navy); }

.text-link { font-weight: 750; text-underline-offset: 6px; }

.purchase-note {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.hero-preview, .sample { margin: 0; }

.hero-preview img, .sample img {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: 0 30px 70px rgba(23, 50, 77, 0.13);
}

figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.45;
}

.plain-band {
  min-height: 72px;
  padding: 18px clamp(20px, 6vw, 84px);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  align-items: center;
  background: var(--navy);
  color: var(--white);
}

.plain-band span { font-size: 0.78rem; font-weight: 800; letter-spacing: 0.06em; text-transform: uppercase; }

.section { padding: clamp(76px, 11vw, 160px) clamp(20px, 7vw, 110px); }

.intro, .limits {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(42px, 9vw, 140px);
}

.body-copy, .limits-list { font-size: clamp(1.04rem, 1.6vw, 1.28rem); line-height: 1.65; }

.body-copy p, .limits-list p { margin: 0 0 22px; }

.workbook { background: var(--white); }

.section-heading { max-width: 930px; }

.sample { margin-top: clamp(52px, 8vw, 105px); }

.sample-profile { max-width: 1050px; }

.sample-score { max-width: 1250px; margin-left: auto; }

.sample-sources { max-width: 1150px; }

.steps ol {
  max-width: 960px;
  margin: clamp(48px, 7vw, 86px) 0 0;
  padding: 0;
  list-style: none;
  counter-reset: steps;
  border-top: 1px solid var(--line);
}

.steps li {
  counter-increment: steps;
  padding: 20px 0 20px 56px;
  position: relative;
  border-bottom: 1px solid var(--line);
  font-size: 1.05rem;
  line-height: 1.55;
}

.steps li::before {
  content: counter(steps, decimal-leading-zero);
  position: absolute;
  left: 0;
  color: var(--rust);
  font-weight: 850;
}

.limits { background: #eadfca; }

.limits-list ul { margin: 0 0 28px; padding-left: 1.2em; }

.limits-list li { margin: 0 0 9px; }

.final-cta {
  min-height: 72svh;
  padding: clamp(90px, 13vw, 190px) clamp(20px, 7vw, 110px);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  background: var(--gold);
}

.final-cta h2 { max-width: 960px; }

.final-cta > p:not(.eyebrow) { margin: 30px 0; font-size: 1.16rem; }

footer {
  min-height: 74px;
  padding: 20px clamp(20px, 6vw, 84px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: var(--ink);
  color: var(--white);
  font-size: 0.8rem;
}

@media (max-width: 900px) {
  .site-header { padding-block: 16px; align-items: flex-start; }
  nav { justify-content: flex-end; gap: 14px; }
  .hero, .intro, .limits { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .plain-band { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  .site-header { display: block; }
  nav { margin-top: 12px; justify-content: flex-start; }
  .plain-band { grid-template-columns: 1fr; }
  h1 { font-size: clamp(2.8rem, 14vw, 4.4rem); }
  footer { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
