:root {
  --paper: #f6f1e6;
  --paper-deep: #eee6d3;
  --sheet: #fffdf6;
  --ink: #211c14;
  --ink-soft: #524a39;
  --ink-faint: #8a7e66;
  --line: #ddd2b8;
  --line-strong: #c4b78f;
  --stamp: #bd3826;
  --stamp-hover: #a02c1c;
  --stamp-soft: rgba(189, 56, 38, 0.12);
  --stamp-focus: rgba(189, 56, 38, 0.3);
  --good: #2f6b34;
  --danger: #b3381f;
  --danger-bg: #f9e9e2;
  --danger-border: #e0a795;
  --font-display: "Archivo", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "Courier New", monospace;
  --fs-meta: 12px;
  --fs-small: 14px;
  --fs-body: 16px;
  --fs-lead: 18px;
  --tracking-eyebrow: 0.16em;
  --ease-out: cubic-bezier(0.22, 0.61, 0.21, 1);
}

html { scroll-behavior: smooth; }

.landing-body {
  min-height: 100dvh;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(255, 253, 246, 0.6) 0%, rgba(255, 253, 246, 0) 40%),
    var(--paper);
  font-family: var(--font-display);
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--stamp); color: var(--sheet); }

button, a { -webkit-tap-highlight-color: transparent; }

/* === Header === */
.site-header {
  position: relative;
  z-index: 20;
  border-bottom: 1px solid var(--line-strong);
  background: rgba(246, 241, 230, 0.88);
  backdrop-filter: blur(10px);
}

.site-nav {
  width: min(1120px, calc(100% - 40px));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
}

.site-brand__mark {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 3px;
  color: var(--sheet);
  background: var(--ink);
}

.site-brand__name {
  font-family: var(--font-mono);
  font-size: var(--fs-body);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.site-brand__logo {
  height: 38px;
  width: auto;
  object-fit: contain;
}

.nav-login {
  width: auto;
  min-height: 42px;
  padding: 0 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1.5px solid var(--ink);
  border-radius: 3px;
  color: var(--ink);
  background: transparent;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: color 150ms var(--ease-out), background 150ms var(--ease-out);
}

.nav-login:hover { color: var(--paper); background: var(--ink); }
.nav-login:active { transform: translateY(1px); }

.nav-login:focus-visible,
.site-brand:focus-visible,
.cta:focus-visible,
.login-dialog__close:focus-visible,
.site-footer a:focus-visible,
.site-footer button:focus-visible {
  outline: 3px solid var(--stamp-focus);
  outline-offset: 2px;
}

/* === Hero === */
.hero {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 76px 0 88px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  align-items: center;
  gap: clamp(48px, 6vw, 88px);
}

.hero__content { max-width: 600px; }

.eyebrow {
  margin: 0 0 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  font-weight: 600;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
}

.eyebrow span {
  width: 9px;
  height: 9px;
  flex: 0 0 auto;
  background: var(--stamp);
}

.hero h1 {
  margin: 0;
  font-size: clamp(40px, 5.2vw, 66px);
  font-weight: 900;
  line-height: 1.03;
  letter-spacing: -0.03em;
}

.hero h1 em {
  color: var(--stamp);
  font-style: normal;
  text-decoration: underline;
  text-decoration-thickness: 0.055em;
  text-underline-offset: 0.1em;
}

.hero__lead {
  max-width: 62ch;
  margin: 24px 0 0;
  color: var(--ink-soft);
  font-size: clamp(16.5px, 1.4vw, var(--fs-lead));
  line-height: 1.65;
}

.hero__actions {
  margin-top: 32px;
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.cta {
  width: auto;
  min-height: 54px;
  padding: 0 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 3px;
  font-size: var(--fs-body);
  font-weight: 700;
  text-decoration: none;
  transition: background 150ms var(--ease-out), transform 150ms var(--ease-out);
}

.cta--primary {
  color: var(--sheet);
  background: var(--stamp);
}

.cta--primary:hover { background: var(--stamp-hover); transform: translateY(-1px); }
.cta--primary:active { transform: translateY(0); }

.cta--secondary {
  color: var(--ink);
  background: transparent;
  border: 1.5px solid var(--ink);
  min-height: 54px;
}
.cta--secondary:hover { background: var(--ink); color: var(--paper); transform: translateY(-1px); }
.cta--secondary:active { transform: translateY(0); }

.hero__assurance {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  font-weight: 500;
  letter-spacing: 0.01em;
}

.hero__assurance svg { color: var(--good); flex: 0 0 auto; }

/* === Hero proof: the receipt === */
.hero__proof {
  position: relative;
  display: grid;
  justify-items: center;
  gap: 18px;
}

.receipt {
  position: relative;
  width: min(320px, 100%);
  margin: 0;
  transform: rotate(-1.4deg);
  filter: drop-shadow(0 22px 22px rgba(59, 46, 22, 0.24));
  transition: transform 260ms var(--ease-out);
}

.receipt:hover { transform: rotate(0deg); }

.receipt__edge {
  height: 9px;
  background:
    linear-gradient(45deg, var(--sheet) 50%, transparent 50%) 0 0 / 14px 14px repeat-x,
    linear-gradient(-45deg, var(--sheet) 50%, transparent 50%) 7px 0 / 14px 14px repeat-x;
}

.receipt__edge--top { transform: scaleY(-1); }

.receipt__body {
  position: relative;
  padding: 20px 20px 22px;
  background: var(--sheet);
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  line-height: 1.5;
  color: var(--ink);
}

.receipt__shop {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-align: center;
}

.receipt__addr,
.receipt__no {
  margin: 3px 0 0;
  color: var(--ink-soft);
  font-size: 11px;
  text-align: center;
}

.receipt__no { letter-spacing: 0.04em; }

.receipt__rule {
  margin: 12px 0;
  border-top: 1px dashed var(--line-strong);
}

.receipt__rows {
  margin: 0;
  display: grid;
  gap: 6px;
}

.receipt__rows > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
}

.receipt__rows dt { margin: 0; }
.receipt__rows dd { margin: 0; white-space: nowrap; font-variant-numeric: tabular-nums; }

.receipt__rows--totals { gap: 4px; }

.receipt__grand {
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.receipt__thanks {
  margin: 0;
  color: var(--ink-soft);
  font-size: 11px;
  text-align: center;
  letter-spacing: 0.06em;
}

.receipt__barcode {
  width: 160px;
  height: 36px;
  margin: 14px auto 0;
  background: repeating-linear-gradient(
    90deg,
    var(--ink) 0 2px, transparent 2px 5px,
    var(--ink) 5px 6px, transparent 6px 11px,
    var(--ink) 11px 14px, transparent 14px 16px
  );
}

.receipt__stamp {
  position: absolute;
  top: 47%;
  right: -12px;
  padding: 4px 12px;
  border: 3px double var(--stamp);
  border-radius: 3px;
  color: var(--stamp);
  background: rgba(255, 253, 246, 0.88);
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  transform: rotate(-9deg);
}

.hero__proof-caption {
  margin: 0;
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  letter-spacing: 0.02em;
  text-align: center;
}

/* === Sections === */
.section-head { max-width: 560px; }

.section-eyebrow {
  margin: 0 0 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  font-weight: 600;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
}

.section-eyebrow::before {
  content: "";
  width: 9px;
  height: 9px;
  flex: 0 0 auto;
  background: var(--stamp);
}

.section-head h2 {
  margin: 0;
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
}

/* === Ledger === */
.ledger {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 64px 0 72px;
  border-top: 1px solid var(--line-strong);
}

.ledger__rows {
  margin: 36px 0 0;
  padding: 0;
  list-style: none;
  border-bottom: 1px solid var(--line);
}

.ledger__rows li {
  padding: 18px 8px;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
  border-top: 1px solid var(--line);
  transition: background 150ms var(--ease-out);
}

.ledger__rows li:hover { background: rgba(255, 253, 246, 0.7); }

.ledger__idx {
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  font-weight: 500;
}

.ledger__main { display: grid; gap: 3px; }
.ledger__main strong { font-size: var(--fs-body); font-weight: 700; }
.ledger__main small { color: var(--ink-soft); font-size: var(--fs-small); line-height: 1.5; }

.ledger__tag {
  padding: 4px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

/* === Terms === */
.terms {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 64px 0 80px;
  border-top: 1px solid var(--line-strong);
}

.terms__grid {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: clamp(24px, 4vw, 48px);
}

.terms__grid article {
  padding-top: 18px;
  border-top: 2px solid var(--ink);
}

.terms__figure {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(26px, 2.6vw, 32px);
  font-weight: 600;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.terms__figure span {
  margin-left: 2px;
  color: var(--ink-faint);
  font-size: 0.55em;
  font-weight: 500;
  letter-spacing: 0;
}

.terms__label {
  margin: 8px 0 0;
  font-size: var(--fs-small);
  font-weight: 700;
}

.terms__desc {
  margin: 6px 0 0;
  color: var(--ink-soft);
  font-size: var(--fs-small);
  line-height: 1.6;
}

.terms__note {
  margin: 24px 0 0;
  padding: 14px 16px;
  border-left: 3px solid var(--stamp);
  background: var(--stamp-soft);
  color: var(--ink-soft);
  font-size: var(--fs-small);
  line-height: 1.6;
}

.terms__cta { margin-top: 44px; }

/* === Feature grid === */
.feature,
.usecase,
.steps,
.faq,
.compare {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 64px 0 72px;
  border-top: 1px solid var(--line-strong);
}

.feature__grid {
  margin: 36px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.feature__card {
  padding: 26px 22px;
  display: grid;
  gap: 12px;
  background: var(--sheet);
}

.feature__icon {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  color: var(--stamp);
  background: var(--stamp-soft);
}

.feature__card strong { font-size: var(--fs-body); font-weight: 700; }
.feature__card small { color: var(--ink-soft); font-size: var(--fs-small); line-height: 1.6; display: block; }

/* === Use case === */
.usecase__tags {
  margin: 36px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.usecase__tags span {
  padding: 8px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  font-weight: 500;
}

.usecase__lead {
  margin: 24px 0 0;
  max-width: 60ch;
  color: var(--ink-soft);
  font-size: var(--fs-lead);
  line-height: 1.6;
}

/* === Steps === */
.steps__list {
  margin: 36px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.steps__list li {
  padding: 22px 22px;
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 18px;
  align-items: center;
  background: var(--sheet);
}

.steps__num {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1.5px solid var(--stamp);
  color: var(--stamp);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--fs-small);
}

.steps__list strong { display: block; font-size: var(--fs-body); font-weight: 700; }
.steps__list small { color: var(--ink-soft); font-size: var(--fs-small); line-height: 1.6; display: block; }

/* === FAQ === */
.faq__list {
  margin: 36px 0 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.faq__list details { background: var(--sheet); }

.faq__list summary {
  padding: 18px 22px;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
  font-size: var(--fs-body);
  font-weight: 700;
}

.faq__list summary::-webkit-details-marker { display: none; }

.faq__list summary::after {
  content: "+";
  color: var(--stamp);
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 600;
  flex: 0 0 auto;
}

.faq__list details[open] summary::after { content: "\2013"; }

.faq__list p {
  margin: 0;
  padding: 0 22px 20px;
  color: var(--ink-soft);
  font-size: var(--fs-small);
  line-height: 1.65;
}

/* === Compare === */
.compare__table {
  margin: 36px 0 0;
  display: grid;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  overflow: hidden;
  background: var(--sheet);
}

.compare__table > div {
  display: grid;
  grid-template-columns: 1.1fr 1fr 1fr;
}

.compare__table > div > span {
  padding: 14px 16px;
  border-top: 1px solid var(--line);
}

.compare__head {
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  background: var(--paper-deep);
}

.compare__head span { border-top: 0; }
.compare__row > span:first-child { font-weight: 600; color: var(--ink); }
.compare__row > span:nth-child(2) { color: var(--good); font-weight: 600; }
.compare__row > span:nth-child(3) { color: var(--ink-faint); }

/* === Footer === */
.site-footer {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 22px 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  border-top: 1px solid var(--line-strong);
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
}

.site-footer p { margin: 0; }

.site-footer__links { display: inline-flex; align-items: center; gap: 10px; }

.site-footer a { color: var(--ink-soft); text-decoration: underline; text-underline-offset: 3px; }
.site-footer a:hover { color: var(--stamp); }

.site-footer button {
  width: auto;
  min-height: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  color: var(--ink-soft);
  background: transparent;
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}

.site-footer button:hover { color: var(--stamp); background: transparent; }

/* === Login dialog === */
.login-dialog {
  width: min(440px, calc(100% - 32px));
  max-height: calc(100dvh - 32px);
  margin: auto;
  padding: 0;
  overflow: visible;
  border: 0;
  border-radius: 4px;
  color: var(--ink);
  background: transparent;
}

.login-dialog::backdrop {
  background: rgba(31, 25, 15, 0.55);
  backdrop-filter: blur(4px);
}

.login-dialog[open] { animation: dialog-in 260ms var(--ease-out); }

@keyframes dialog-in {
  0% { opacity: 0; transform: translateY(10px) scale(0.96); }
  60% { opacity: 1; transform: translateY(0) scale(1.012); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}

.auth-panel {
  position: relative;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  background: var(--sheet);
  box-shadow: 0 32px 70px -24px rgba(31, 25, 15, 0.5);
}

.auth-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  border-radius: 4px 4px 0 0;
  background: var(--stamp);
}

.auth-panel__inner {
  padding: 38px 36px 34px;
  display: grid;
  gap: 22px;
}

.login-dialog__close {
  position: absolute;
  z-index: 2;
  top: 16px;
  right: 14px;
  width: 38px;
  height: 38px;
  min-height: 0;
  padding: 0;
  display: grid;
  place-items: center;
  border: 1px solid transparent;
  border-radius: 3px;
  color: var(--ink-faint);
  background: transparent;
  cursor: pointer;
  transition: color 150ms var(--ease-out), background 150ms var(--ease-out), border-color 150ms var(--ease-out);
}

.login-dialog__close:hover {
  color: var(--ink);
  border-color: var(--line-strong);
  background: var(--paper);
}

.auth-panel__head { display: grid; gap: 7px; padding-right: 36px; }

.auth-eyebrow {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--stamp);
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  font-weight: 600;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
}

.auth-eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--stamp);
}

.auth-title {
  margin: 0;
  font-size: 26px;
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.02em;
}

.auth-subtitle {
  margin: 0;
  color: var(--ink-soft);
  font-size: var(--fs-small);
  line-height: 1.55;
}

.auth-form { display: grid; gap: 15px; }
.auth-field { display: grid; gap: 7px; }

.auth-field label {
  margin: 0;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.auth-input {
  position: relative;
  display: flex;
  align-items: center;
  border: 1.5px solid var(--line-strong);
  border-radius: 3px;
  background: var(--sheet);
  transition: border-color 150ms var(--ease-out), box-shadow 150ms var(--ease-out);
}

.auth-input:hover { border-color: var(--ink-faint); }

.auth-input:focus-within {
  border-color: var(--stamp);
  box-shadow: 0 0 0 3px var(--stamp-focus);
}

.auth-input__icon {
  padding: 0 10px 0 13px;
  display: inline-flex;
  color: var(--ink-faint);
}

.auth-input input {
  flex: 1;
  width: auto;
  min-width: 0;
  min-height: 48px;
  padding: 12px 12px 12px 0;
  border: 0;
  outline: 0;
  border-radius: 0;
  color: var(--ink);
  background: transparent;
  font-family: var(--font-display);
  font-size: var(--fs-body);
  box-shadow: none;
}

.auth-input:has(.auth-input__action) input { padding-right: 48px; }
.auth-input input::placeholder { color: var(--ink-faint); opacity: 0.75; }

.auth-input__action {
  position: absolute;
  right: 5px;
  top: 50%;
  transform: translateY(-50%);
  width: auto;
  min-height: 0;
  padding: 9px;
  display: inline-flex;
  border: 0;
  border-radius: 3px;
  color: var(--ink-faint);
  background: transparent;
  cursor: pointer;
  transition: color 150ms var(--ease-out), background 150ms var(--ease-out);
}

.auth-input__action:hover { color: var(--ink); background: var(--paper); }
.auth-input__action .icon-eye-off { display: none; }
.auth-input__action[aria-pressed="true"] .icon-eye { display: none; }
.auth-input__action[aria-pressed="true"] .icon-eye-off { display: inline-block; }

.auth-error {
  min-height: 0;
  margin: 0;
  padding: 0 11px;
  border: 1px dashed transparent;
  border-radius: 3px;
  color: transparent;
  background: transparent;
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  font-weight: 500;
  line-height: 1.5;
}

.auth-error:not(:empty) {
  padding: 9px 11px;
  color: var(--danger);
  border-color: var(--danger-border);
  background: var(--danger-bg);
}

.auth-error:not(:empty)::before { content: "⚠ "; }

.auth-submit {
  min-height: 52px;
  padding: 0 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: 3px;
  color: var(--sheet);
  background: var(--stamp);
  font-family: var(--font-display);
  font-size: var(--fs-body);
  font-weight: 700;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: background 150ms var(--ease-out), transform 150ms var(--ease-out);
}

.auth-submit:hover:not(:disabled) { background: var(--stamp-hover); }
.auth-submit:active:not(:disabled) { transform: translateY(1px); }
.auth-submit:disabled { cursor: progress; opacity: 0.85; }

.auth-submit__spinner {
  width: 16px;
  height: 16px;
  display: none;
  border: 2px solid rgba(255, 253, 246, 0.4);
  border-top-color: var(--sheet);
  border-radius: 50%;
  animation: auth-spin 720ms linear infinite;
}

.auth-submit[data-loading="true"] .auth-submit__spinner { display: inline-block; }

@keyframes auth-spin { to { transform: rotate(360deg); } }

/* === Responsive === */
@media (max-width: 900px) {
  .hero {
    padding: 60px 0 76px;
    grid-template-columns: 1fr;
    gap: 52px;
  }

  .hero__content { max-width: 680px; }
  .terms__grid { grid-template-columns: 1fr; gap: 28px; }
  .feature__grid { grid-template-columns: 1fr; }
  .compare__table > div { grid-template-columns: 1fr 1fr 1fr; }
  .compare__table > div > span { padding: 12px 10px; font-size: 12px; }
}

@media (max-width: 560px) {
  .site-nav { width: calc(100% - 32px); min-height: 64px; }
  .site-brand__name { font-size: var(--fs-small); }
  .site-brand__mark { width: 34px; height: 34px; }
  .site-brand__logo { height: 32px; }
  .nav-login { min-height: 40px; padding: 0 12px; }

  .hero { width: calc(100% - 32px); padding: 48px 0 64px; gap: 44px; }
  .eyebrow { margin-bottom: 16px; font-size: 11px; letter-spacing: 0.12em; }
  .hero h1 { font-size: clamp(36px, 10.5vw, 46px); }
  .hero__lead { margin-top: 20px; font-size: var(--fs-body); line-height: 1.65; }
  .hero__actions { margin-top: 28px; display: grid; justify-items: stretch; gap: 14px; }
  .cta { width: 100%; padding: 0 16px; }
  .hero__assurance { justify-content: center; }

  .receipt { width: min(300px, 94%); }
  .receipt__stamp { right: -6px; font-size: var(--fs-meta); }

  .ledger, .terms, .feature, .usecase, .steps, .faq, .compare { width: calc(100% - 32px); padding: 48px 0 56px; }
  .ledger__rows li { grid-template-columns: 32px minmax(0, 1fr); padding: 16px 4px; }
  .ledger__tag { display: none; }

  .site-footer { width: calc(100% - 32px); }
  .auth-panel__inner { padding: 34px 22px 26px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .nav-login, .cta, .receipt, .auth-input, .login-dialog__close, .auth-input__action, .auth-submit, .ledger__rows li { transition: none; }
  .login-dialog[open] { animation: none; }
  .receipt, .receipt:hover { transform: none; }
  .auth-submit__spinner { animation-duration: 1.6s; }
}