:root {
  --paper: #FFFFFF;
  --paper-raised: #F7F5EF;
  --paper-deep: #EFEAE0;
  --ink: #1E1B16;
  --ink-soft: #6B6255;
  --ink-faint: #948A78;
  --accent: #C4602F;
  --accent-soft: #F0C4A2;
  --vault: #2B3B32;
  --vault-soft: #4A5F51;
  --line: #E7E1D2;
  --line-strong: #D2C7AC;
  --focus: #1C63D9;
}

:root[data-theme="dark"] {
  --paper: #17140F;
  --paper-raised: #1F1B14;
  --paper-deep: #262019;
  --ink: #EDE7D8;
  --ink-soft: #B4A990;
  --ink-faint: #837A66;
  --accent: #E08553;
  --accent-soft: #8A5535;
  --vault: #7FA88E;
  --vault-soft: #3D5245;
  --line: #362F23;
  --line-strong: #4A4131;
  --focus: #6AA3F5;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #17140F;
    --paper-raised: #1F1B14;
    --paper-deep: #262019;
    --ink: #EDE7D8;
    --ink-soft: #B4A990;
    --ink-faint: #837A66;
    --accent: #E08553;
    --accent-soft: #8A5535;
    --vault: #7FA88E;
    --vault-soft: #3D5245;
    --line: #362F23;
    --line-strong: #4A4131;
    --focus: #6AA3F5;
  }
}

* { box-sizing: border-box; }

html { color-scheme: light dark; scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

.display {
  font-family: "Iowan Old Style", "Sitka Text", "Palatino Linotype", "Book Antiqua", Georgia, serif;
}

.mono {
  font-family: ui-monospace, "SF Mono", "Cascadia Code", "Roboto Mono", Menlo, Consolas, monospace;
  font-variant-numeric: tabular-nums;
}

h1, h2, h3 { text-wrap: balance; margin: 0; }
p { text-wrap: pretty; }

a { color: inherit; }

::selection { background: var(--accent-soft); color: var(--ink); }

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 32px;
}

.eyebrow {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  display: flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 16px;
  height: 1px;
  background: var(--accent);
  display: inline-block;
}

/* ---------- Header ---------- */
header {
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(8px);
  z-index: 30;
  transition: box-shadow 0.25s ease;
}
header.scrolled {
  box-shadow: 0 1px 0 var(--line-strong);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  position: relative;
}
.brand {
  display: flex;
  align-items: baseline;
  gap: 9px;
  font-size: 18px;
  letter-spacing: -0.01em;
  text-decoration: none;
}
.brand .mark {
  width: 9px;
  height: 9px;
  border-radius: 1px;
  background: var(--accent);
  display: inline-block;
  transform: translateY(-1px);
}
.brand b { font-weight: 600; color: var(--ink); }
.brand span { color: var(--ink-faint); font-size: 13px; font-family: ui-monospace, monospace; }

.navlinks {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 14px;
  color: var(--ink-soft);
}
.navlinks a {
  text-decoration: none;
  position: relative;
  padding: 4px 0;
}
.navlinks a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: -2px;
  height: 1px;
  background: var(--accent);
  transition: right 0.25s ease;
}
.navlinks a:hover { color: var(--ink); }
.navlinks a:hover::after { right: 0; }
.navlinks a.active { color: var(--ink); font-weight: 500; }
.navlinks a.active::after { right: 0; }

.navcta {
  font-size: 14px;
  padding: 8px 16px;
  border: 1px solid var(--ink);
  border-radius: 3px;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.2s ease, color 0.2s ease;
}
.navcta:hover { background: var(--ink); color: var(--paper); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  margin: -8px;
}
.nav-toggle span {
  width: 20px;
  height: 2px;
  background: var(--ink);
  display: block;
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 760px) {
  .nav-toggle { display: flex; }
  .navlinks {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    max-height: 0;
    overflow: hidden;
    padding: 0 4px;
    gap: 0;
    transition: max-height 0.35s cubic-bezier(.16,1,.3,1), padding 0.35s ease;
  }
  .navlinks.open { max-height: 320px; padding: 8px 4px 16px; }
  .navlinks a { width: 100%; padding: 12px 4px; border-bottom: 1px solid var(--line); }
  .navlinks a::after { display: none; }
  .navcta { margin-left: 8px; }
}

/* ---------- Hero ---------- */
.hero {
  padding: 88px 0 64px;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 56px;
  align-items: end;
}
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
}
h1.headline {
  font-size: clamp(38px, 5.4vw, 64px);
  line-height: 1.04;
  letter-spacing: -0.01em;
  font-weight: 500;
  margin-top: 18px;
}
h1.headline em {
  font-style: italic;
  color: var(--accent);
}
.hero-sub {
  font-size: 18px;
  color: var(--ink-soft);
  max-width: 40ch;
  margin-top: 20px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 32px;
  flex-wrap: wrap;
}
.btn-primary {
  background: var(--ink);
  color: var(--paper);
  padding: 13px 24px;
  border-radius: 3px;
  text-decoration: none;
  font-size: 14.5px;
  font-weight: 500;
  border: 1px solid var(--ink);
  display: inline-block;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}
.btn-primary:hover { background: var(--accent); border-color: var(--accent); transform: translateY(-1px); }
.btn-ghost {
  padding: 13px 24px;
  border-radius: 3px;
  text-decoration: none;
  font-size: 14.5px;
  color: var(--ink-soft);
  border: 1px solid var(--line-strong);
  display: inline-block;
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}
.btn-ghost:hover { border-color: var(--ink); color: var(--ink); transform: translateY(-1px); }
button.btn-primary { cursor: pointer; font-family: inherit; }

.hero-panel {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 22px;
  background: var(--paper-raised);
}
.hero-panel .stat-row {
  display: flex;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13.5px;
}
.hero-panel .stat-row:last-child { border-bottom: none; }
.hero-panel .stat-row .k { color: var(--ink-soft); }
.hero-panel .stat-row .v { font-family: ui-monospace, monospace; }
.hero-panel .stat-row .v.accent { color: var(--accent); }
.hero-panel .stat-row .v.live { display: inline-flex; align-items: center; gap: 6px; }
.hero-panel .stat-row .v.live::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--vault);
  display: inline-block;
  animation: pulse 1.8s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(0.8); }
}

/* ---------- Statement strip ---------- */
.strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--paper-raised);
}
.strip .wrap {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
@media (max-width: 760px) {
  .strip .wrap { grid-template-columns: repeat(2, 1fr); }
}
.strip-item {
  padding: 22px 24px;
  border-right: 1px solid var(--line);
}
.strip-item:last-child { border-right: none; }
.strip-item .num {
  font-family: ui-monospace, monospace;
  font-size: 26px;
  color: var(--accent);
  letter-spacing: -0.02em;
}
.strip-item .lbl {
  font-size: 12.5px;
  color: var(--ink-soft);
  margin-top: 4px;
}

/* ---------- Sections ---------- */
section { padding: 88px 0; }
.section-head {
  margin-bottom: 44px;
  max-width: 62ch;
}
.section-head h2 {
  font-size: clamp(26px, 3.4vw, 36px);
  font-weight: 500;
  margin-top: 14px;
  letter-spacing: -0.01em;
}
.section-head p {
  color: var(--ink-soft);
  font-size: 16px;
  margin-top: 12px;
}
.page-hero {
  padding: 72px 0 48px;
  border-bottom: 1px solid var(--line);
}
.page-hero h1 {
  font-size: clamp(34px, 5vw, 52px);
  font-weight: 500;
  margin-top: 16px;
  letter-spacing: -0.01em;
}
.page-hero p {
  color: var(--ink-soft);
  font-size: 17px;
  max-width: 56ch;
  margin-top: 16px;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
@media (max-width: 780px) { .split { grid-template-columns: 1fr; } }

.card {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 28px;
  background: var(--paper-raised);
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.card:hover { border-color: var(--line-strong); }
.card h3 {
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
  font-weight: 600;
}
.card .body {
  margin-top: 14px;
  font-size: 16.5px;
  color: var(--ink);
}
.card.problem { border-top: 3px solid var(--ink-faint); }
.card.solution { border-top: 3px solid var(--accent); }

/* ---------- Workflow pipeline ---------- */
.pipeline {
  display: flex;
  align-items: stretch;
  overflow-x: auto;
  gap: 0;
  padding-bottom: 10px;
  margin-top: 8px;
}
.pipe-step {
  flex: 0 0 auto;
  width: 168px;
  padding: 18px 16px;
  border: 1px solid var(--line);
  background: var(--paper-raised);
  position: relative;
  border-radius: 6px;
  cursor: pointer;
  text-align: left;
  font: inherit;
  color: inherit;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}
.pipe-step:hover { transform: translateY(-2px); border-color: var(--line-strong); }
.pipe-step + .pipe-step { margin-left: 28px; }
.pipe-step::before {
  content: "\2192";
  position: absolute;
  left: -24px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ink-faint);
  font-size: 15px;
}
.pipe-step.optional {
  border-style: dashed;
  background: transparent;
}
.pipe-step.active {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 7%, var(--paper-raised));
}
.pipe-step .idx {
  font-family: ui-monospace, monospace;
  font-size: 11.5px;
  color: var(--accent);
}
.pipe-step .lbl {
  margin-top: 8px;
  font-size: 14.5px;
  font-weight: 500;
  line-height: 1.3;
}
.pipe-step .tag {
  margin-top: 8px;
  font-size: 11px;
  color: var(--ink-faint);
  font-family: ui-monospace, monospace;
}
.pipe-detail {
  margin-top: 24px;
  padding: 20px 24px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper-raised);
  font-size: 15px;
  color: var(--ink-soft);
  min-height: 26px;
  transition: opacity 0.2s ease;
}
.pipe-detail strong { color: var(--ink); font-weight: 500; }

/* ---------- Modules grid ---------- */
.modules {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
}
@media (max-width: 900px) { .modules { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .modules { grid-template-columns: 1fr; } }
.module {
  padding: 22px 18px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: background 0.2s ease;
}
.module:hover { background: var(--paper-raised); }
.modules .module:nth-child(5n) { border-right: none; }
@media (max-width: 900px) {
  .modules .module:nth-child(2n) { border-right: none; }
}
.module .n { font-family: ui-monospace, monospace; font-size: 11px; color: var(--ink-faint); }
.module .name { margin-top: 8px; font-size: 15px; font-weight: 500; }
.module .desc { margin-top: 6px; font-size: 13px; color: var(--ink-soft); }

/* ---------- Canton ledger diagram ---------- */
.ledger {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper-raised);
  overflow: hidden;
}
.ledger-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 22px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}
.ledger-row.is-visible { opacity: 1; transform: translateX(0); }
.ledger-row:last-child { border-bottom: none; }
.ledger-row .ev { color: var(--ink); }
.ledger-row .st {
  font-family: ui-monospace, monospace;
  font-size: 12px;
  color: var(--vault);
  background: color-mix(in srgb, var(--vault) 12%, transparent);
  padding: 3px 9px;
  border-radius: 3px;
}

/* ---------- Customers / phases ---------- */
.phases {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
}
@media (max-width: 780px) { .phases { grid-template-columns: 1fr; } }
.phase {
  background: var(--paper);
  padding: 26px 24px;
  transition: background 0.2s ease;
}
.phase:hover { background: var(--paper-raised); }
.phase .idx {
  font-family: ui-monospace, monospace;
  font-size: 12px;
  color: var(--accent);
}
.phase h4 {
  margin: 10px 0 0;
  font-size: 17px;
  font-weight: 500;
}
.phase p {
  margin-top: 8px;
  font-size: 14px;
  color: var(--ink-soft);
}

/* ---------- Roadmap ---------- */
.roadmap {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}
.rmrow {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}
.rmrow .tag {
  font-family: ui-monospace, monospace;
  font-size: 13px;
  color: var(--accent);
  padding-top: 2px;
}
.rmrow .desc { font-size: 15.5px; color: var(--ink-soft); }
.rmrow .desc b { color: var(--ink); font-weight: 500; }

/* ---------- North star ---------- */
.northstar {
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 44px;
  background: linear-gradient(135deg, var(--paper-raised), var(--paper-deep));
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}
.northstar .lbl {
  font-size: 12.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.northstar .metric {
  font-family: "Iowan Old Style", Georgia, serif;
  font-size: clamp(28px, 4vw, 40px);
  margin-top: 8px;
}
.northstar .metric .abbr { color: var(--accent); }
.northstar p {
  max-width: 34ch;
  font-size: 14.5px;
  color: var(--ink-soft);
  margin: 0;
}

/* ---------- Pricing ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 860px) { .pricing-grid { grid-template-columns: 1fr; } }
.plan {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  background: var(--paper-raised);
  position: relative;
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.plan:hover { transform: translateY(-3px); }
.plan.featured {
  border-color: var(--accent);
  background: var(--paper);
  box-shadow: 0 16px 32px -18px color-mix(in srgb, var(--accent) 45%, transparent);
}
.plan .badge {
  position: absolute;
  top: -12px;
  left: 32px;
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 3px;
  font-family: ui-monospace, monospace;
}
.plan .name { font-size: 15px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-faint); font-weight: 600; }
.plan .price { font-family: "Iowan Old Style", Georgia, serif; font-size: 34px; }
.plan .price span { font-size: 14px; color: var(--ink-faint); font-family: -apple-system, sans-serif; }
.plan .desc { font-size: 14px; color: var(--ink-soft); }
.plan ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 14.5px;
  color: var(--ink-soft);
}
.plan ul li { display: flex; gap: 8px; }
.plan ul li::before {
  content: "\2713";
  color: var(--accent);
  font-family: ui-monospace, monospace;
  flex: none;
}
.plan .cta { margin-top: auto; text-align: center; }

/* ---------- Values / About ---------- */
.values {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
@media (max-width: 700px) { .values { grid-template-columns: 1fr; } }

/* ---------- Forms ---------- */
.form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 560px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.field label {
  font-size: 13px;
  color: var(--ink-soft);
}
.field input,
.field select,
.field textarea {
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  padding: 11px 14px;
  font-size: 15px;
  background: var(--paper);
  color: var(--ink);
  font-family: inherit;
  transition: border-color 0.2s ease;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--accent);
}
.field input[aria-invalid="true"],
.field textarea[aria-invalid="true"] {
  border-color: var(--accent);
}
.field textarea { resize: vertical; min-height: 120px; }
.field-error {
  font-size: 12.5px;
  color: var(--accent);
  min-height: 16px;
}
.form-success {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 32px;
  background: var(--paper-raised);
  max-width: 560px;
}
.form-success .check {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--vault);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  margin-bottom: 14px;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
}
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-info .item {
  padding: 18px 0;
  border-top: 1px solid var(--line);
}
.contact-info .item:last-child { border-bottom: 1px solid var(--line); }
.contact-info .item .k {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.contact-info .item .v { margin-top: 6px; font-size: 15px; }

/* ---------- Final CTA ---------- */
.final {
  text-align: center;
  padding: 96px 0 100px;
  border-top: 1px solid var(--line);
}
.final h2 {
  font-size: clamp(28px, 4.4vw, 46px);
  font-weight: 500;
  max-width: 22ch;
  margin: 16px auto 0;
}
.final p {
  color: var(--ink-soft);
  margin-top: 14px;
}
.final .hero-actions { justify-content: center; }

footer {
  border-top: 1px solid var(--line);
  padding: 28px 0;
}
footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--ink-faint);
  flex-wrap: wrap;
  gap: 12px;
}
footer .foot-links { display: flex; gap: 20px; }
footer a { text-decoration: none; }
footer a:hover { color: var(--ink); }

/* ---------- Scroll reveal & load-in animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(.16,1,.3,1), transform 0.7s cubic-bezier(.16,1,.3,1);
  transition-delay: var(--d, 0s);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-16px); }
  to { opacity: 1; transform: translateY(0); }
}
.load-in {
  animation: slideDown 0.8s cubic-bezier(.16,1,.3,1) both;
  animation-delay: var(--d, 0s);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal, .load-in, .ledger-row {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
  .hero-panel .stat-row .v.live::before { animation: none; }
}