:root {
  --ink: #1a1f24;
  --muted: #5c6770;
  --line: #d5d0c8;
  --paper: #f3f1ec;
  --panel: #ffffff;
  --accent: #c45c26;
  --alert-bg: #1e2429;
  --alert-fg: #e8edf0;
  --warn: #8a3b12;
  --font-sans: "IBM Plex Sans", system-ui, sans-serif;
  --font-serif: "IBM Plex Serif", Georgia, serif;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.5;
}

.atmosphere {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(900px 420px at 12% -10%, rgba(196, 92, 38, 0.14), transparent 55%),
    radial-gradient(700px 380px at 100% 0%, rgba(30, 60, 80, 0.08), transparent 50%),
    repeating-linear-gradient(
      -12deg,
      transparent,
      transparent 11px,
      rgba(26, 31, 36, 0.03) 11px,
      rgba(26, 31, 36, 0.03) 12px
    );
}

.sheet {
  position: relative;
  z-index: 1;
  max-width: 40rem;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
}

.brand {
  margin: 0 0 1.75rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.block {
  margin-bottom: 2.25rem;
}

h1 {
  margin: 0 0 0.85rem;
  font-family: var(--font-serif);
  font-size: clamp(1.65rem, 4.2vw, 2.15rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.lede {
  margin: 0;
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 36rem;
}

h2 {
  margin: 0 0 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.alert {
  margin: 0;
  padding: 1.1rem 1.15rem;
  background: var(--alert-bg);
  color: var(--alert-fg);
  border-radius: 2px;
  overflow-x: auto;
  font-family: ui-monospace, "Cascadia Code", "SF Mono", Menlo, monospace;
  font-size: 0.8rem;
  line-height: 1.55;
  white-space: pre;
}

.note {
  margin: 0.65rem 0 0;
  font-size: 0.875rem;
  color: var(--muted);
}

.who {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.45rem;
}

.who li {
  padding: 0.55rem 0.75rem;
  background: var(--panel);
  border: 1px solid rgba(26, 31, 36, 0.1);
  font-size: 0.95rem;
}

.price-block .price {
  margin: 0 0 0.35rem;
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.amount {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.unit {
  font-size: 1rem;
  color: var(--muted);
  font-weight: 500;
}

.price-sub {
  margin: 0 0 0.5rem;
  font-weight: 500;
}

.price-fine {
  margin: 0;
  font-size: 0.875rem;
  color: var(--muted);
}

.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.85rem 1.5rem;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  border-radius: 2px;
  cursor: pointer;
}

.cta:hover,
.cta:focus-visible {
  filter: brightness(1.05);
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

.cta-disabled {
  opacity: 0.55;
  cursor: not-allowed;
  filter: none;
}

.cta-sub {
  margin: 0.6rem 0 0;
  font-size: 0.875rem;
  color: var(--muted);
}

.cta-sub.warn {
  color: var(--warn);
}

.body-copy {
  margin: 0 0 0.65rem;
  color: var(--ink);
  max-width: 38rem;
}

.body-copy.tight {
  margin-bottom: 0.45rem;
}

.problem-list,
.checklist {
  margin: 0;
  padding: 0;
  list-style: none;
  max-width: 38rem;
}

.problem-list li,
.checklist li {
  position: relative;
  padding: 0.35rem 0 0.35rem 1.35rem;
  font-size: 0.95rem;
}

.problem-list li::before {
  content: "–";
  position: absolute;
  left: 0;
  color: var(--muted);
}

.checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 600;
}

.brand a {
  color: inherit;
  text-decoration: none;
}

.brand a:hover,
.brand a:focus-visible {
  text-decoration: underline;
}

.foot {
  margin-top: 3rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(26, 31, 36, 0.12);
  font-size: 0.8rem;
  color: var(--muted);
}

.foot p {
  margin: 0 0 0.65rem;
}

.foot p:last-child {
  margin-bottom: 0;
}

.foot-entity {
  font-weight: 500;
  color: var(--ink);
}

.foot-contact a,
.foot-note a,
.foot-legal a,
.legal-sheet a {
  color: var(--ink);
}

.foot-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.5rem;
  margin: 0 0 0.65rem;
}

.legal-sheet h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 600;
  line-height: 1.25;
  margin: 0 0 0.75rem;
}

@media (min-width: 640px) {
  .sheet {
    padding-top: 3.5rem;
  }

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