:root {
  --ink: #1d2a2e;
  --muted: #526469;
  --paper: #f7f4ef;
  --panel: #ffffff;
  --mint: #c7eadc;
  --gold: #ffe7a6;
  --coral: #f6c7b8;
  --line: #1d2a2e;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.45;
}

a { color: inherit; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  padding: 14px 24px;
  background: rgba(247, 244, 239, 0.94);
  border-bottom: 3px solid var(--line);
}

.brand {
  font-weight: 800;
  font-size: 18px;
}

.nav {
  display: flex;
  gap: 16px;
  align-items: center;
  font-size: 15px;
  font-weight: 700;
}

.nav a { text-decoration: none; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 11px 16px;
  border: 3px solid var(--line);
  background: var(--ink);
  color: #fff;
  text-decoration: none;
  font-weight: 800;
}

.btn.secondary {
  background: var(--gold);
  color: var(--ink);
}

.btn.ghost {
  background: var(--panel);
  color: var(--ink);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 32px;
  align-items: center;
  max-width: 1180px;
  margin: 0 auto;
  padding: 44px 22px 36px;
}

.hero.compact {
  padding-bottom: 22px;
}

.hero h1 {
  margin: 0 0 18px;
  font-size: clamp(42px, 7vw, 78px);
  line-height: 0.98;
  letter-spacing: 0;
}

.hero p {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 21px;
}

.hero-img {
  width: 100%;
  display: block;
  border: 4px solid var(--line);
  background: var(--panel);
}

.price-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 22px;
}

.price {
  font-size: 26px;
  font-weight: 800;
}

.band {
  border-top: 3px solid var(--line);
  padding: 42px 22px;
}

.inner {
  max-width: 1120px;
  margin: 0 auto;
}

h2 {
  margin: 0 0 18px;
  font-size: 34px;
  letter-spacing: 0;
}

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

.card {
  min-height: 160px;
  background: var(--panel);
  border: 3px solid var(--line);
  padding: 18px;
}

.card.gold { background: var(--gold); }
.card.mint { background: var(--mint); }
.card.coral { background: var(--coral); }

.num {
  font-size: 42px;
  font-weight: 800;
  margin-bottom: 4px;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 22px;
}

.card p, .copy p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
}

.card.teardown {
  min-height: 260px;
}

.card.teardown p {
  margin: 0 0 10px;
}

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

.pricing-card {
  display: flex;
  flex-direction: column;
  min-height: 420px;
}

.pricing-card.featured {
  outline: 5px solid var(--ink);
}

.pricing-card .price-row {
  margin-top: auto;
}

.section-intro {
  max-width: 780px;
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 18px;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.preview-img {
  width: 100%;
  border: 3px solid var(--line);
  background: var(--panel);
  display: block;
}

ul {
  margin: 0;
  padding-left: 22px;
  font-size: 18px;
}

li { margin: 8px 0; }

.notice {
  background: var(--mint);
  border: 3px solid var(--line);
  padding: 18px;
  font-size: 18px;
}

.footer {
  border-top: 3px solid var(--line);
  padding: 26px 22px;
  color: var(--muted);
}

.sample-block {
  background: var(--panel);
  border: 3px solid var(--line);
  padding: 22px;
  margin: 18px 0;
}

pre {
  white-space: pre-wrap;
  word-break: break-word;
  background: #fbfaf7;
  border: 3px solid var(--line);
  padding: 18px;
  font-size: 15px;
}

@media (max-width: 860px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  .nav { flex-wrap: wrap; }
  .hero, .split, .grid { grid-template-columns: 1fr; }
  .hero { padding-top: 30px; }
}