:root {
  --ink: #111820;
  --muted: #36434d;
  --blue: #174f86;
  --blue-deep: #0c3155;
  --green: #216b4b;
  --green-deep: #12472f;
  --line: #d7e0e5;
  --serif: Georgia, "Times New Roman", serif;
  --sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font: 16px/1.65 var(--sans);
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 0.16em; }

header, footer { padding: 22px 0; border-bottom: 1px solid var(--line); }
footer { border: 0; border-top: 1px solid var(--line); margin-top: 80px; }

.wrap { width: min(760px, calc(100% - 40px)); margin: auto; }
header .wrap, footer .wrap {
  display: flex;
  width: min(1120px, calc(100% - 40px));
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

header .brand { font: bold 1.45rem var(--serif); color: var(--ink); text-decoration: none; }
header .brand:hover { color: var(--blue); text-decoration: underline; }
header nav a { margin-left: 18px; font-size: 0.95rem; font-weight: 600; }
footer p { margin: 0; color: var(--muted); font-size: 0.9rem; }

main { padding: clamp(32px, 5vw, 56px) 0 0; }

h1, h2, h3 { font-family: var(--serif); line-height: 1.14; }
h2 { margin: 52px 0 16px; font-size: clamp(1.6rem, 3vw, 2.1rem); }
h3 { margin: 26px 0 8px; font-size: 1.15rem; }

p { margin: 0 0 18px; color: #1d2730; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 290px) minmax(0, 1fr);
  align-items: center;
  gap: clamp(24px, 4vw, 50px);
}

.cover-art { margin: 0; }
.cover-art img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 6px;
  box-shadow: 0 20px 44px rgba(12, 49, 85, 0.22);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--green);
  font: 600 0.8rem/1.4 var(--sans);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.1rem, 5vw, 3.1rem);
  letter-spacing: -0.02em;
}

.hero .sub {
  max-width: 34ch;
  margin: 14px 0 0;
  color: var(--muted);
  font-family: var(--serif);
  font-size: clamp(1.05rem, 2.2vw, 1.25rem);
  font-style: italic;
}

.specs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 0.92rem;
}

.specs li:not(:last-child)::after {
  content: "\00a0\00b7";
  color: #9aa9b3;
}

.lede { margin: 32px 0 0; font-size: 1.12rem; }

.buy {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin: 30px 0 0;
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #f7fafb;
}

.buy p { margin: 0; flex: 1 1 240px; color: var(--muted); font-size: 0.95rem; }

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 999px;
  background: var(--green);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
}

.button:hover { background: var(--green-deep); }
.hero .button { margin-top: 24px; }

.parts { margin: 0; padding: 0; list-style: none; }
.parts li { padding: 20px 0; border-top: 1px solid var(--line); }
.parts li:last-child { border-bottom: 1px solid var(--line); }
.parts strong { display: block; font: 1.1rem var(--serif); }
.parts span { display: block; margin-top: 4px; color: var(--muted); font-size: 0.96rem; }

.columns { columns: 2; column-gap: 34px; margin: 18px 0 0; padding-left: 1.2rem; }
.columns li { margin-bottom: 8px; break-inside: avoid; color: #1d2730; }

.note {
  margin: 44px 0 0;
  padding: 22px 24px;
  border-left: 3px solid var(--green);
  border-radius: 0 14px 14px 0;
  background: #f7fafb;
}
.note p:last-child { margin-bottom: 0; }

.cta {
  margin: 56px 0 0;
  padding: clamp(28px, 5vw, 44px);
  border-radius: 20px;
  background: var(--green-deep);
  color: #fff;
  text-align: center;
}
.cta h2 { margin: 0 0 10px; color: #fff; }
.cta p { margin: 0 auto 22px; max-width: 52ch; color: #eaf3ee; }
.cta .button { background: #fff; color: var(--green-deep); }
.cta .button:hover { background: var(--green); color: #fff; }
.cta .alt { display: block; margin-top: 18px; color: #cfe3d7; font-size: 0.92rem; }
.cta .alt a { color: #fff; }

@media (max-width: 620px) {
  header .wrap, footer .wrap { flex-direction: column; align-items: flex-start; }
  header nav a { margin: 0 18px 0 0; }
  .columns { columns: 1; }
  .hero { grid-template-columns: 1fr; }
  .cover-art { max-width: 250px; }
}

a:focus-visible, button:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; }
.cta a:focus-visible { outline-color: #fff; }