:root {
  --bg: #f4efe5;
  --panel: #fbf7ee;
  --text: #252321;
  --muted: #6f675f;
  --line: #d6c9b8;
  --accent: #a94f2d;
  --accent-dark: #853a22;
  --success: #5d7c52;
  --utp-paper: #f5efe3;
  --utp-paper-deep: #eadfcf;
  --utp-ink: #211f1a;
  --utp-muted: #6d6256;
  --utp-line: #d8c6ad;
  --utp-rust: #a3522e;
  --utp-rust-dark: #833f23;
  --utp-positive: #587052;
  --utp-warning: #ad7d2d;
  --utp-error: #9a3324;
  --utp-card: rgba(255, 252, 245, 0.64);
  --utp-shadow: 0 18px 42px rgba(44, 33, 20, 0.10);
  --utp-serif: Georgia, "Times New Roman", serif;
  --utp-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --utp-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  --page-pad: clamp(1rem, 3vw, 2rem);
  --content-max: 1540px;
  --line-soft: rgba(216, 198, 173, 0.66);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--text);
  font-family: var(--utp-sans);
  background:
    linear-gradient(rgba(163, 82, 46, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(163, 82, 46, 0.018) 1px, transparent 1px),
    radial-gradient(circle at 52% 8%, rgba(255, 252, 245, 0.86), transparent 34rem),
    var(--utp-paper);
  background-size: 48px 48px, 48px 48px, auto, auto;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  opacity: 0.28;
  background-image:
    repeating-linear-gradient(0deg, rgba(33, 31, 26, 0.018), rgba(33, 31, 26, 0.018) 1px, transparent 1px, transparent 3px);
}

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

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--utp-rust);
  outline-offset: 4px;
}

img {
  display: block;
  max-width: 100%;
}

.skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 20;
  padding: 0.7rem 1rem;
  color: #fffaf0;
  font-family: var(--utp-sans);
  font-size: 0.9rem;
  background: var(--utp-ink);
  border-radius: 4px;
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header,
.hero,
.use-cases,
.lower-grid,
.verify-panel,
.quiet-anchor,
.site-footer {
  width: min(calc(100% - (var(--page-pad) * 2)), var(--content-max));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 82px;
  border-bottom: 1px solid rgba(109, 98, 86, 0.42);
}

.brand,
.footer-brand {
  font-family: var(--utp-serif);
  font-size: clamp(1.25rem, 2vw, 2rem);
  line-height: 1;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(0.65rem, 2.2vw, 2.4rem);
  font-size: clamp(0.72rem, 0.9vw, 0.9rem);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.site-nav a {
  padding: 0.45rem 0;
  border-bottom: 1px solid transparent;
}

.site-nav a:hover {
  color: var(--utp-rust-dark);
  border-bottom-color: currentColor;
}

.site-nav .nav-button {
  padding: 0.86rem 1.35rem;
  color: var(--utp-rust-dark);
  border: 1px solid rgba(163, 82, 46, 0.48);
  border-radius: 3px;
}

.site-nav .nav-button:hover {
  background: rgba(163, 82, 46, 0.07);
}

.hero {
  display: grid;
  grid-template-columns: minmax(560px, 0.9fr) minmax(560px, 1fr);
  gap: clamp(2rem, 4vw, 4.5rem);
  align-items: center;
  padding: clamp(1.2rem, 3vw, 2.4rem) 0 2rem;
}

.hero-copy {
  max-width: 700px;
  padding-left: clamp(0rem, 4.5vw, 4.5rem);
}

.kicker,
.section-label,
.receipt-label,
.negative-list h2,
.steps-panel > h2,
.status-panel > h2,
.status-panel h3 {
  margin: 0;
  color: var(--utp-rust-dark);
  font-family: var(--utp-mono);
  font-size: 0.83rem;
  font-weight: 700;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 760px;
  margin: 0.75rem 0 1.15rem;
  font-size: clamp(3.4rem, 4.8vw, 4.65rem);
  font-family: var(--utp-serif);
  font-weight: 700;
  line-height: 0.96;
}

.hero h1 span {
  display: block;
  white-space: nowrap;
}

.intro {
  max-width: 640px;
  margin: 0;
  color: #352f2a;
  font-size: clamp(1rem, 1.25vw, 1.16rem);
  line-height: 1.56;
}

.proof-box {
  max-width: 590px;
  margin-top: 1.5rem;
  padding: 1rem 1.25rem 1rem 1.6rem;
  font-family: var(--utp-mono);
  font-size: clamp(0.86rem, 1vw, 1.02rem);
  line-height: 1.55;
  text-transform: uppercase;
  background: rgba(255, 252, 245, 0.44);
  border: 1px solid rgba(216, 198, 173, 0.9);
  border-radius: 4px;
  box-shadow: inset 3px 0 0 rgba(163, 82, 46, 0.34);
}

.proof-box p {
  margin: 0;
}

.proof-box p:last-child {
  color: var(--utp-rust-dark);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.12rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  min-width: min(100%, 190px);
  min-height: 54px;
  padding: 0.85rem 1.4rem;
  font-family: var(--utp-serif);
  font-size: 1.02rem;
  border: 1px solid rgba(163, 82, 46, 0.48);
  border-radius: 4px;
}

.button-primary {
  color: #fff9ef;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.14), transparent),
    var(--utp-rust);
  box-shadow: 0 10px 22px rgba(131, 63, 35, 0.16);
}

.button-primary:hover {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.12), transparent),
    var(--utp-rust-dark);
}

.button-secondary {
  color: var(--utp-ink);
  background: rgba(255, 252, 245, 0.42);
}

.button-secondary:hover {
  background: rgba(255, 252, 245, 0.75);
}

.privacy-note {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 1.15rem 0 0;
  color: #3f382f;
  font-size: 0.95rem;
  line-height: 1.35;
}

.privacy-note img {
  width: 24px;
  height: 24px;
}

.hero-visual {
  position: relative;
  min-height: 560px;
  display: grid;
  grid-template-columns: 118px minmax(0, 1fr);
  align-items: start;
}

.registry-strip {
  height: 100%;
  min-height: 560px;
  padding-top: 1.4rem;
  border-inline: 1px solid rgba(216, 198, 173, 0.45);
  background:
    repeating-linear-gradient(0deg, rgba(216, 198, 173, 0.24), rgba(216, 198, 173, 0.24) 1px, transparent 1px, transparent 38px),
    rgba(255, 252, 245, 0.12);
}

.registry-strip div {
  min-height: 82px;
  padding: 0.35rem 1.45rem;
  border-bottom: 1px solid rgba(216, 198, 173, 0.6);
}

.registry-strip span,
.registry-strip strong {
  display: block;
  font-family: var(--utp-mono);
  font-size: 0.71rem;
  font-weight: 400;
  color: var(--utp-muted);
  text-transform: uppercase;
}

.registry-strip strong {
  margin-top: 0.65rem;
  color: rgba(33, 31, 26, 0.58);
}

.receipt-card {
  position: relative;
  margin-top: 0.1rem;
  padding: clamp(1.5rem, 3vw, 3rem);
  overflow: hidden;
  background: rgba(255, 252, 245, 0.72);
  border: 1px solid rgba(216, 198, 173, 0.9);
  border-radius: 3px;
  box-shadow: var(--utp-shadow);
}

.receipt-card::before {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
  background:
    linear-gradient(90deg, transparent, rgba(163, 82, 46, 0.035), transparent),
    repeating-linear-gradient(0deg, rgba(33, 31, 26, 0.018), rgba(33, 31, 26, 0.018) 1px, transparent 1px, transparent 4px);
}

.receipt-head,
.receipt-details,
.receipt-link {
  position: relative;
  z-index: 1;
}

.receipt-head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  padding-bottom: 1.35rem;
  border-bottom: 1px solid var(--line-soft);
}

.status-mark {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  color: var(--utp-rust-dark);
  font-family: var(--utp-sans);
  font-size: 2rem;
  line-height: 1;
  border: 2px solid var(--utp-rust);
  border-radius: 50%;
}

.receipt-head h2 {
  margin: 1.55rem 0 0.55rem;
  font-family: var(--utp-serif);
  font-size: clamp(1.2rem, 1.7vw, 1.52rem);
  text-transform: uppercase;
}

.receipt-head h2 span {
  color: var(--utp-rust-dark);
}

.receipt-head p:not(.receipt-label) {
  margin: 0;
  color: #4a4036;
  font-family: var(--utp-serif);
  font-size: 1rem;
  line-height: 1.45;
}

.receipt-details {
  margin: 0;
  padding: 0;
}

.receipt-details div {
  display: grid;
  grid-template-columns: minmax(112px, 0.65fr) minmax(0, 1.35fr);
  gap: 1rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--line-soft);
}

.receipt-details dt {
  font-family: var(--utp-serif);
  font-size: 0.92rem;
  text-transform: uppercase;
}

.receipt-details dd {
  min-width: 0;
  margin: 0;
  overflow-wrap: anywhere;
  font-family: var(--utp-mono);
  font-size: 0.88rem;
}

.receipt-link {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1.45rem;
  color: var(--utp-ink);
  font-family: var(--utp-mono);
  font-size: 0.86rem;
  text-transform: uppercase;
}

.receipt-link:hover {
  color: var(--utp-rust-dark);
}

.receipt-seal {
  position: absolute;
  right: 1.45rem;
  bottom: 0.85rem;
  z-index: 0;
  width: 96px;
  opacity: 0.86;
}

.panel {
  background: rgba(251, 247, 238, 0.54);
  border: 1px solid rgba(216, 198, 173, 0.9);
  border-radius: 4px;
}

.use-cases {
  padding: 1rem 1.25rem 1.2rem;
}

.use-case-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 0.8rem;
}

.use-case-grid article {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 1.1rem;
  min-height: 112px;
  padding: 0.9rem 1.25rem;
  border-right: 1px solid rgba(216, 198, 173, 0.78);
}

.use-case-grid article:last-child {
  border-right: 0;
}

.use-case-grid img {
  width: 38px;
  height: 38px;
}

.use-case-grid h2,
.steps h3 {
  margin: 0 0 0.7rem;
  font-family: var(--utp-mono);
  font-size: 0.86rem;
  text-transform: uppercase;
}

.use-case-grid p,
.steps p,
.negative-list li,
.negative-list p,
.status-panel p,
.status-panel li,
.verify-panel p,
.site-footer p,
.site-footer a {
  color: #40382f;
  font-size: 0.92rem;
  line-height: 1.5;
}

.use-case-grid p {
  max-width: 260px;
  margin: 0;
}

.lower-grid {
  display: grid;
  grid-template-columns: 0.86fr 1.88fr 1.05fr;
  margin-top: 0.55rem;
}

.lower-grid .panel {
  min-height: 214px;
  padding: 1.05rem 1.25rem;
  border-radius: 0;
  border-right: 0;
}

.lower-grid .panel:first-child {
  border-radius: 4px 0 0 4px;
}

.lower-grid .panel:last-child {
  border-right: 1px solid rgba(216, 198, 173, 0.9);
  border-radius: 0 4px 4px 0;
}

.negative-list ul,
.status-panel ul {
  display: grid;
  gap: 0.18rem;
  margin: 0.75rem 0 0.75rem;
  padding: 0;
  list-style: none;
}

.negative-list li,
.status-panel li {
  position: relative;
  padding-left: 1.35rem;
}

.negative-list li::before {
  position: absolute;
  left: 0;
  color: var(--utp-error);
  content: "x";
}

.negative-list p {
  margin: 0.8rem 0 0;
  padding-top: 0.8rem;
  border-top: 1px solid var(--line-soft);
}

.steps-panel {
  text-align: center;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(0.75rem, 2vw, 2rem);
  margin: 0.25rem 0 0;
  padding: 0;
  list-style: none;
}

.steps li {
  position: relative;
  padding: 0.15rem 0.5rem 0;
}

.steps li + li::before {
  position: absolute;
  top: 1.55rem;
  left: -22%;
  width: 42%;
  height: 1px;
  content: "";
  background: rgba(163, 82, 46, 0.38);
}

.steps span {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--utp-rust-dark);
  font-size: 2.05rem;
  line-height: 1;
}

.steps p {
  margin: 0;
}

.status-panel h3 {
  margin-top: 1.05rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line-soft);
}

.status-panel p {
  margin: 0.75rem 0 0;
}

.status-panel li::before {
  position: absolute;
  left: 0;
  color: var(--utp-rust-dark);
  content: ">";
}

.verify-panel {
  display: grid;
  grid-template-columns: minmax(220px, 0.6fr) minmax(0, 1fr);
  gap: clamp(1rem, 4vw, 3rem);
  align-items: start;
  margin-top: 0.55rem;
  padding: clamp(1.1rem, 2.2vw, 1.75rem);
}

.verify-panel h2 {
  max-width: 460px;
  margin: 0.5rem 0 0;
  font-family: var(--utp-serif);
  font-size: clamp(1.45rem, 2.2vw, 2.35rem);
  line-height: 1.08;
}

.verify-panel p:last-child {
  max-width: 760px;
  margin: 0;
  padding-left: clamp(1rem, 3vw, 2rem);
  border-left: 1px solid var(--line-soft);
}

.quiet-anchor {
  padding: clamp(1.7rem, 4vw, 3.5rem) 0 1rem;
}

.quiet-anchor h2 {
  max-width: 900px;
  margin: 0;
  color: rgba(33, 31, 26, 0.68);
  font-size: clamp(1.6rem, 3vw, 3.2rem);
  font-weight: 400;
  line-height: 1.08;
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(240px, 1.2fr) minmax(220px, 0.9fr) minmax(240px, 1.2fr);
  gap: clamp(1.5rem, 5vw, 4.5rem);
  padding: 1.45rem 0 2rem;
  border-top: 1px solid rgba(109, 98, 86, 0.36);
}

.footer-brand {
  display: inline-block;
  margin-bottom: 0.55rem;
  font-size: 1.2rem;
}

.site-footer p {
  max-width: 330px;
  margin: 0 0 0.45rem;
}

.site-footer nav {
  columns: 2;
  column-gap: 2.5rem;
  border-inline: 1px solid rgba(216, 198, 173, 0.8);
  padding-inline: clamp(1rem, 3vw, 2.8rem);
}

.site-footer nav a {
  display: block;
  margin: 0 0 0.65rem;
  text-transform: uppercase;
}

.site-footer a:hover {
  color: var(--utp-rust-dark);
}

.footer-note {
  position: relative;
  min-height: 100px;
  padding-right: 5.5rem;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 1180px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    padding: 1rem 0;
  }

  .site-nav {
    justify-content: flex-start;
    flex-wrap: wrap;
  }

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

  .hero-copy {
    max-width: 840px;
    padding-left: 0;
  }

  .hero-visual {
    grid-template-columns: 110px minmax(0, 1fr);
    min-height: auto;
  }

  .registry-strip {
    min-height: 500px;
  }

  .use-case-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .use-case-grid article:nth-child(2) {
    border-right: 0;
  }

  .use-case-grid article:nth-child(-n + 2) {
    border-bottom: 1px solid rgba(216, 198, 173, 0.78);
  }

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

  .lower-grid .panel,
  .lower-grid .panel:first-child,
  .lower-grid .panel:last-child {
    border: 1px solid rgba(216, 198, 173, 0.9);
    border-radius: 4px;
  }

  .lower-grid .panel + .panel {
    border-top: 0;
    border-radius: 0 0 4px 4px;
  }
}

@media (max-width: 760px) {
  :root {
    --page-pad: 0.85rem;
  }

  .brand {
    font-size: clamp(1.1rem, 7vw, 1.75rem);
  }

  .site-nav {
    gap: 0.55rem 1rem;
  }

  .site-nav .nav-button {
    width: 100%;
    text-align: center;
  }

  .hero {
    gap: 1.7rem;
    padding-top: 1.1rem;
  }

  .hero h1 {
    font-size: clamp(3.1rem, 16vw, 4.4rem);
  }

  .hero h1 span {
    white-space: normal;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }

  .hero-visual {
    display: block;
  }

  .registry-strip {
    display: none;
  }

  .receipt-card {
    padding: 1.15rem;
  }

  .receipt-head {
    grid-template-columns: 1fr;
  }

  .status-mark {
    width: 52px;
    height: 52px;
    font-size: 1.55rem;
  }

  .receipt-head h2 {
    margin-top: 0.75rem;
  }

  .receipt-details div {
    grid-template-columns: 1fr;
    gap: 0.3rem;
  }

  .receipt-seal {
    width: 74px;
    opacity: 0.38;
  }

  .use-case-grid,
  .steps,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .use-case-grid article,
  .use-case-grid article:nth-child(2),
  .use-case-grid article:nth-child(-n + 2) {
    border-right: 0;
    border-bottom: 1px solid rgba(216, 198, 173, 0.78);
  }

  .use-case-grid article:last-child {
    border-bottom: 0;
  }

  .steps li + li::before {
    display: none;
  }

  .steps-panel {
    text-align: left;
  }

  .steps li {
    padding-inline: 0;
  }

  .site-footer nav {
    columns: 1;
    border-inline: 0;
    border-block: 1px solid rgba(216, 198, 173, 0.8);
    padding: 1rem 0 0.35rem;
  }

  .footer-note {
    padding-right: 0;
  }

  .verify-panel {
    grid-template-columns: 1fr;
  }

  .verify-panel p:last-child {
    padding: 1rem 0 0;
    border-top: 1px solid var(--line-soft);
    border-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
  }
}