@font-face {
  font-family: "Caveat";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/caveat-latin-400-normal.woff2") format("woff2");
}

:root {
  --accent: #f8de6a;
  --accent-deep: #c9a227;
  --accent-ink: #5a4300;
  --focus: #a83a26;
  --space-section: clamp(2.75rem, 5vw, 4.25rem);
  --space-block: clamp(1.25rem, 2vw, 1.75rem);
  --space-tight: 0.55rem;
  --font-hand: "Caveat", Georgia, serif;
}

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

html {
  min-width: 320px;
  min-height: 100%;
  overflow-x: clip;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font-serif);
  text-rendering: optimizeLegibility;
}

body {
  min-width: 320px;
  min-height: 100%;
  margin: initial;
  overflow-x: clip;
  color: var(--ink);
  background: var(--paper);
}

img,
svg {
  max-width: 100%;
}

a {
  color: inherit;
}

.home-page b,
.home-page strong {
  font-weight: 400;
}

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

.page {
  min-width: 320px;
  overflow: clip;
}

.home-hero {
  min-height: 100svh;
  padding: clamp(2.75rem, 8vh, 6rem) clamp(1.25rem, 6vw, 8rem) clamp(3rem, 8vh, 6rem);
}

.home-hero-inner,
.home-proof-shell,
.section-shell {
  width: min(100%, var(--measure-wide));
  margin-block: initial;
  margin-inline: auto;
}

.home-label {
  margin-block-start: initial;
  margin-block-end: var(--space-tight);
  margin-inline: initial;
  color: var(--accent-ink);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 400;
  line-height: 1;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.home-hero h1 {
  max-width: 12ch;
  margin: initial;
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: clamp(2.75rem, 7vw, 5.5rem);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: 0;
}

.home-deck {
  max-width: var(--measure);
  margin: var(--space-block) 0 0;
  color: var(--ink-soft);
  font-size: clamp(1.06rem, 1.25vw, 1.2rem);
  font-weight: 400;
  line-height: 1.68;
}

.home-deck p {
  margin: initial;
}

.home-deck p + p {
  margin-block-start: 0.9em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.35rem;
  align-items: center;
  margin-top: var(--space-block);
}

.hero-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--ink);
  font-size: 0.98rem;
  font-weight: 400;
  line-height: 1.2;
  text-decoration: none;
}

.hero-link-secondary {
  color: var(--accent-ink);
}

.hero-link-secondary::after {
  margin-left: 0.45rem;
  content: "→";
}

.btn {
  position: relative;
  display: inline-block;
  isolation: isolate;
  overflow: hidden;
  padding: 0.7em 1.35em;
  color: var(--ink);
  font: inherit;
  letter-spacing: 0.01em;
  text-decoration: none;
  background-color: var(--paper-raised);
  border: 1px solid var(--rule-strong);
  border-radius: 2px;
  cursor: pointer;
  transition: transform 90ms ease-out;
}

.hero-link.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn::before {
  position: absolute;
  z-index: -1;
  inset: 0;
  background: var(--accent);
  content: "";
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 180ms ease-out;
}

.btn:hover::before,
.btn:focus-visible::before,
.btn:active::before {
  transform: scaleX(1);
}

.btn:active {
  background-color: var(--paper-deep);
  box-shadow: inset 0 1px 2px rgb(0 0 0 / 0.14);
  transform: translateY(1px);
}

.btn:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

.btn--stamp {
  border-color: var(--accent-deep);
  border-width: 2px;
}

.btn--stamp:hover,
.btn--stamp:focus-visible {
  transform: rotate(-0.5deg);
}

.btn--stamp:active {
  transform: rotate(-0.5deg) translateY(1px);
}

.home-page .prose a {
  color: var(--ink);
  text-decoration-line: underline;
  text-decoration-color: var(--accent-deep);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
  transition: text-decoration-thickness 160ms ease-out;
}

.home-page .prose a:hover {
  text-decoration-thickness: 2px;
}

.stage-index {
  display: grid;
  max-width: var(--measure);
  margin: var(--space-block) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--rule);
}

.stage-index li {
  display: block;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--rule);
}

.stage-index a {
  display: block;
  text-decoration: none;
}

.stage-index strong {
  display: block;
  color: var(--ink);
  font-size: clamp(1rem, 1.16vw, 1.1rem);
  font-weight: 400;
  line-height: 1.45;
}

.home-proof {
  padding: var(--space-section) clamp(1.25rem, 6vw, 8rem);
  background: var(--paper-raised);
}

.home-proof-grid {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.proof-number {
  margin: initial;
  color: var(--accent-ink);
  font-family: var(--font-serif);
  font-size: clamp(2.75rem, 7vw, 5.5rem);
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: 0;
  white-space: nowrap;
}

.home-proof h2 {
  max-width: var(--measure);
  margin: initial;
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: clamp(1.9rem, 4vw, 3.1rem);
  font-weight: 400;
  line-height: 1.12;
  letter-spacing: 0;
}

.home-proof-copy {
  max-width: var(--measure);
  margin-top: var(--space-block);
}

.home-proof-copy p {
  margin: initial;
  color: var(--ink-soft);
  font-size: clamp(1.06rem, 1.25vw, 1.2rem);
  font-weight: 400;
  line-height: 1.68;
}

.home-proof-copy p + p {
  margin-block-start: 0.9em;
}

.proof-equation {
  max-width: var(--measure);
  margin: var(--space-block) 0;
}

.proof-equation p {
  margin: initial;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.4vw, 1.45rem);
  line-height: 1.35;
}

.home-rest {
  min-height: 0;
}

.stage {
  position: relative;
  padding: var(--space-section) clamp(1.25rem, 6vw, 8rem) 0;
  color: var(--ink);
  background: var(--paper);
  scroll-margin-block-start: 6rem;
}

.stage > div {
  width: min(100%, var(--measure-wide));
  margin-block: initial;
  margin-inline: auto;
  border-top: 1px solid var(--rule);
}

.stage-label {
  margin-block-start: initial;
  margin-block-end: var(--space-tight);
  margin-inline: initial;
  padding-top: var(--space-block);
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 400;
  line-height: 1;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.stage h2 {
  max-width: var(--measure);
  margin: initial;
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: clamp(1.9rem, 4vw, 3.1rem);
  font-weight: 400;
  line-height: 1.12;
  letter-spacing: 0;
}

.stage > div > div:not(.contrast-pair):not(.bridge):not(.spec-card) {
  max-width: var(--measure);
  margin-block: var(--space-block);
}

.stage > div > div:not(.contrast-pair):not(.bridge):not(.spec-card) p {
  margin: initial;
  color: var(--ink-soft);
  font-size: clamp(1.06rem, 1.25vw, 1.2rem);
  font-weight: 400;
  line-height: 1.68;
}

.stage > div > div:not(.contrast-pair):not(.bridge):not(.spec-card) p + p {
  margin-block-start: 0.9em;
}

.stage > div > h3 {
  max-width: var(--measure);
  margin: var(--space-block) 0 0;
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: 0;
}

.stage .contrast-pair > article {
  background: transparent;
}

.stage .contrast-pair > article:first-child {
  color: var(--ink-muted);
}

.stage .contrast-pair > article:last-child {
  color: var(--ink);
  background: transparent;
  border-left: 1px solid var(--rule);
}

.stage .contrast-pair h3 {
  font-weight: 400;
}

.stage .bridge h3 {
  max-width: var(--measure);
  margin: var(--space-tight) 0 0;
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: 0;
}

.stage .bridge p:first-child {
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1;
  letter-spacing: 0.16em;
}

.stage .bridge h3 + p {
  margin-top: var(--space-block);
}

.stage .bridge a {
  display: block;
  width: fit-content;
  color: var(--ink);
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
}

.stage .bridge a + a {
  margin-top: var(--space-tight);
}

.stage .bridge a::after {
  content: "";
}

.stage .spec-card h3 {
  margin: initial;
  padding: 0.9rem clamp(1rem, 3vw, 1.4rem);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: 0.08em;
  background: var(--paper-deep);
  border-bottom: 1px solid var(--rule);
}

.stage .spec-card > div {
  margin: initial;
}

.stage .spec-card > div p {
  margin: initial;
  padding: 0.82rem clamp(1rem, 3vw, 1.4rem);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  font-weight: 400;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.stage .spec-card > div p + p {
  border-top: 1px solid var(--rule);
}

.stage .chain {
  display: grid;
  gap: 0;
  max-width: var(--measure);
  color: var(--ink-soft);
  text-transform: none;
  letter-spacing: 0;
}

.stage .chain li {
  position: relative;
  display: block;
  padding: 0.8rem 0 0.8rem 1.25rem;
  border-left: 1px solid var(--rule);
}

.stage .chain li:not(:last-child)::after {
  content: none;
}

.stage .equation p {
  margin: initial;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.4vw, 1.45rem);
  font-weight: 400;
  line-height: 1.35;
}

.stage > div > a {
  display: inline-block;
  margin-block-start: initial;
  margin-block-end: var(--space-block);
  margin-inline: initial;
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  font-weight: 400;
  line-height: 1.3;
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.stage .manifest {
  display: block;
  max-width: var(--measure);
}

.stage .manifest h3,
.stage .status-list h3 {
  margin: initial;
  padding-bottom: 0.9rem;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: 0.08em;
  border-bottom: 1px solid var(--rule);
}

.stage .manifest p {
  margin: initial;
  padding: 0.82rem 0;
  border-left: 0;
  border-top: 1px solid var(--rule);
}

.stage .manifest h3 + p {
  border-top: 0;
}

.stage .status-list {
  display: block;
  max-width: var(--measure);
}

.stage .status-list dl {
  margin: initial;
}

.stage .status-list--limits > div {
  display: block;
  padding-block: var(--space-block);
  border-top: 0;
}

.stage .status-list--limits > dl + p {
  margin-top: var(--space-block);
}

.stage .status-list dl > div {
  display: grid;
  grid-template-columns: 15rem minmax(0, 1fr);
  gap: clamp(1rem, 3vw, 2rem);
  padding: 0.9rem 0;
  border-top: 1px solid var(--rule);
}

.stage .status-list dt,
.stage .status-list dd {
  min-width: 0;
  margin: initial;
}

.stage .status-list dt {
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  font-weight: 400;
  line-height: 1.55;
}

.stage .status-list dd {
  color: var(--ink-soft);
  font-size: clamp(1rem, 1.16vw, 1.1rem);
  font-weight: 400;
  line-height: 1.58;
}

.stage .chain,
.stage .spec-card,
.stage .manifest,
.stage .status-list,
.stage .contrast-pair,
.stage .equation,
.stage .bridge {
  margin-block: var(--space-block);
}

.home-page .rest-band {
  margin-block: initial;
  margin-inline: calc(50% - 50vw);
  padding-block: var(--space-section);
  padding-inline: clamp(1.25rem, 6vw, 8rem);
}

.content-section {
  position: relative;
  padding: var(--space-section) clamp(1.25rem, 6vw, 8rem) 0;
  color: var(--ink);
}

#objects,
#contact {
  padding-bottom: var(--space-section);
}

#objects,
#how,
#faq,
#contact {
  scroll-margin-block-start: 6rem;
}

.content-section h2,
.content-section h3,
.content-section p {
  margin: initial;
}

.content-section h2 {
  max-width: var(--measure);
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: clamp(1.9rem, 4vw, 3.1rem);
  font-weight: 400;
  line-height: 1.12;
  letter-spacing: 0;
}

#objects .text-shell {
  display: block;
  max-width: var(--measure-wide);
}

#objects .text-shell > div:not(.text-block) {
  max-width: var(--measure);
}

#objects h2 + div:not(.text-block) {
  margin-top: var(--space-block);
}

#objects .text-shell > div:not(.text-block) p {
  margin: initial;
  color: var(--ink-soft);
  font-size: clamp(1.06rem, 1.25vw, 1.2rem);
  font-weight: 400;
  line-height: 1.68;
}

#objects .text-shell > div:not(.text-block) p + p {
  margin-block-start: 0.9em;
}

.text-block {
  min-width: 0;
  padding: var(--space-section) 0 0;
  border-top: 1px solid var(--rule);
}

#objects .text-block + div:not(.text-block) {
  max-width: var(--measure);
  padding-top: var(--space-section);
  border-top: 1px solid var(--rule);
}

.text-block h3 {
  max-width: var(--measure);
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: 0;
}

.text-block p {
  max-width: var(--measure);
  margin-block-start: 0.9em;
  color: var(--ink-soft);
  font-size: clamp(1.06rem, 1.25vw, 1.2rem);
  font-weight: 400;
  line-height: 1.68;
}

.text-block h3 + p {
  margin-top: var(--space-block);
}

.specimen--letter {
  display: grid;
  gap: var(--space-block);
  margin: var(--space-section) 0;
  padding: 0;
  font-size: clamp(1.06rem, 1.25vw, 1.2rem);
}

.specimen__object img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--rule);
}

.specimen__sheet {
  max-width: var(--measure);
  padding: clamp(1.25rem, 4vw, 2rem);
  background: var(--paper-raised);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--rule-strong);
}

.specimen--letter .specimen__hand {
  margin: 0 0 var(--space-block);
  padding-left: 0;
  color: var(--ink);
  font-family: var(--font-hand);
  font-size: 1.2em;
  font-weight: 400;
  line-height: 1.5;
  border-left: 0;
}

.specimen--letter .specimen__body {
  margin: 0 0 var(--space-block);
  padding-left: 0;
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: 1em;
  font-weight: 400;
  line-height: 1.6;
  border-left: 0;
}

.specimen--letter .specimen__body:last-child {
  margin-bottom: 0;
}

.specimen__caption {
  padding-top: var(--space-tight);
  color: var(--ink-muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.8125rem;
  font-weight: 400;
  line-height: 1.5;
  border-top: 1px solid var(--rule);
}

.how-section,
.faq-section,
.contact-section {
  border-top: 1px solid var(--rule);
}

.how-grid {
  display: grid;
  max-width: var(--measure-wide);
  margin-top: var(--space-block);
  border-top: 1px solid var(--rule);
}

.spec-card--plain {
  display: flex;
  min-width: 0;
  min-height: 100%;
  padding: clamp(1.5rem, 3vw, 2.25rem) 0;
  border-bottom: 1px solid var(--rule);
  flex-direction: column;
}

.spec-card--plain .step-number {
  color: var(--accent-ink);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  font-weight: 400;
  line-height: 1.2;
}

.spec-card--plain h3 {
  max-width: 20ch;
  margin-top: var(--space-tight);
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  font-weight: 400;
  line-height: 1.25;
}

.spec-card--plain h3 + p,
.how-closing,
.contact-intro {
  max-width: var(--measure);
  margin-top: var(--space-block);
  color: var(--ink-soft);
  font-size: clamp(1.06rem, 1.25vw, 1.2rem);
  font-weight: 400;
  line-height: 1.68;
}

.how-closing {
  margin-top: var(--space-block);
}

.faq--open {
  margin-top: var(--space-block);
}

.faq--open article {
  padding: var(--space-block) 0;
  border-bottom: 1px solid var(--rule);
}

.faq--open h3 {
  max-width: var(--measure);
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: clamp(1.05rem, 1.7vw, 1.3rem);
  font-weight: 400;
  line-height: 1.32;
}

.faq--open p {
  max-width: var(--measure);
  margin-block-start: 0.9em;
  color: var(--ink-soft);
  font-size: clamp(1.06rem, 1.25vw, 1.2rem);
  font-weight: 400;
  line-height: 1.68;
}

.contact-intro {
  margin-top: var(--space-block);
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem clamp(1.5rem, 4vw, 3rem);
  align-items: baseline;
  margin-top: var(--space-block);
}

.contact-link {
  position: relative;
  z-index: 0;
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  font-weight: 400;
  line-height: 1.45;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

@media (min-width: 1180px) {
  .home-hero-inner {
    padding-left: min(13vw, 10rem);
  }
}

@media (max-width: 820px) {
  .home-proof-grid {
    grid-template-columns: 1fr;
  }

  .home-proof {
    padding-inline: 1rem;
  }
}

@media (min-width: 768px) {
  .specimen--letter {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .specimen__caption {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1024px) {
  .how-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .spec-card--plain {
    padding: var(--space-block) clamp(1.75rem, 3vw, 2.5rem);
  }

  .spec-card--plain + .spec-card--plain {
    border-left: 1px solid var(--rule);
  }
}

@media (max-width: 520px) {
  .home-hero {
    min-height: 0;
    padding: 2.25rem 1rem 3rem;
  }

  .home-hero h1 {
    font-size: clamp(2.55rem, 15vw, 3.8rem);
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-link {
    justify-content: center;
  }

  .content-section {
    padding-inline: 1rem;
  }

  .stage {
    padding-inline: 1rem;
  }

  .stage .contrast-pair > article:last-child {
    border-top: 1px solid var(--rule);
    border-left: 0;
  }

  .stage .status-list dl > div {
    grid-template-columns: 1fr;
    gap: 0.4rem;
  }

  .contact-links {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  .btn,
  .btn::before,
  .home-page .prose a {
    transition: none;
  }

  .btn--stamp:hover,
  .btn--stamp:focus-visible,
  .btn--stamp:active {
    transform: none;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
    animation: none !important;
  }
}