:root {
  --paper: #efe6d4;
  --paper-2: #f7f1e4;
  --ink: #16130f;
  --ink-soft: #3c372f;
  --rule: #16130f;
  --signal: #c81e1e;
  --signal-ink: #fff8f0;
  --muted: #6b6458;
  --shadow: 4px 4px 0 #16130f;
  --sans: "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --mono: "IBM Plex Mono", "ui-monospace", "SFMono-Regular", Menlo, Consolas, monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(90deg, var(--signal) 0 8px, transparent 8px),
    var(--paper);
  font-family: var(--sans);
  line-height: 1.5;
}

.skip {
  position: absolute;
  left: 1rem;
  top: -3rem;
  background: var(--ink);
  color: var(--paper);
  padding: 0.5rem 0.75rem;
  z-index: 20;
}

.skip:focus {
  top: 1rem;
}

.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 6vw;
  border-bottom: 1px solid var(--rule);
  background: var(--paper-2);
  position: sticky;
  top: 0;
  z-index: 10;
}

.mark {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: inherit;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.mark-box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--signal);
  color: var(--signal-ink);
  font-family: var(--mono);
  font-size: 0.8rem;
}

.mark-name {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem 1.1rem;
  align-items: center;
  font-size: 0.92rem;
}

.nav a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.nav a:hover,
.nav a:focus-visible {
  border-bottom-color: var(--signal);
}

.nav-cta {
  border: 1px solid var(--rule) !important;
  padding: 0.35rem 0.7rem;
  background: var(--ink);
  color: var(--paper) !important;
}

main {
  padding: 0 6vw 4rem;
}

.hero,
.band {
  padding: 4.5rem 0 3.5rem;
  border-bottom: 1px solid var(--rule);
}

.kicker {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--signal);
  margin: 0 0 1rem;
}

.kicker-light {
  color: #ffb4b0;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(16rem, 0.9fr);
  gap: 2.5rem;
  align-items: end;
}

h1,
h2,
h3 {
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.12;
  margin: 0 0 1rem;
}

h1 {
  font-size: clamp(2.1rem, 5vw, 4.1rem);
}

h2 {
  font-size: clamp(1.7rem, 3vw, 2.6rem);
}

.lede,
.measure {
  font-size: 1.15rem;
  max-width: 38rem;
  color: var(--ink-soft);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.5rem 0 1rem;
}

.meta,
.note,
.privacy,
.billing,
.foot {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--muted);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.1rem;
  border: 1px solid var(--rule);
  text-decoration: none;
  font-weight: 650;
  cursor: pointer;
  box-shadow: var(--shadow);
}

.btn-primary {
  background: var(--signal);
  color: var(--signal-ink);
}

.btn-ghost {
  background: var(--paper-2);
  color: var(--ink);
}

.btn:hover,
.btn:focus-visible {
  transform: translate(-1px, -1px);
  box-shadow: 5px 5px 0 var(--rule);
}

.band-ink {
  background: var(--ink);
  color: var(--paper-2);
  margin: 0 -6vw;
  padding-left: 6vw;
  padding-right: 6vw;
}

.band-paper {
  background: var(--paper-2);
  margin: 0 -6vw;
  padding-left: 6vw;
  padding-right: 6vw;
}

.ledger,
.steps,
.proof {
  padding: 0;
  margin: 1.5rem 0 0;
  list-style: none;
  max-width: 48rem;
}

.ledger li,
.steps li,
.proof li {
  padding: 1rem 0;
  border-top: 1px solid currentColor;
}

.ledger li {
  display: grid;
  grid-template-columns: 11rem 1fr;
  gap: 1rem;
}

code {
  font-family: var(--mono);
  font-size: 0.9em;
}

.tariffs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

.tariff {
  border: 1px solid var(--rule);
  padding: 1.5rem;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.tariff-sku {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--signal);
  margin: 0 0 0.4rem;
}

.price {
  font-family: var(--serif);
  font-size: 2.2rem;
  margin: 0.2rem 0;
}

.form-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 2rem;
}

form {
  display: grid;
  gap: 0.9rem;
  border: 1px solid var(--rule);
  padding: 1.25rem;
  background: var(--paper-2);
  box-shadow: var(--shadow);
}

label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.92rem;
  font-weight: 650;
}

input,
textarea {
  font: inherit;
  padding: 0.65rem 0.7rem;
  border: 1px solid var(--rule);
  background: #fffdf8;
  color: var(--ink);
}

input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 1px;
}

.form-status {
  min-height: 1.4em;
  margin: 0;
  font-size: 0.95rem;
}

.form-status.ok {
  color: #0f6b3d;
}

.form-status.warn,
.form-status.err {
  color: var(--signal);
}

.foot {
  padding: 1.5rem 6vw 3rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

@media (max-width: 860px) {
  .hero-grid,
  .tariffs,
  .form-grid,
  .ledger li {
    grid-template-columns: 1fr;
  }

  .mark-name {
    display: none;
  }

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