:root {
  --ink: #12110f;
  --paper: #f1ece2;
  --paper-deep: #e8e0d3;
  --paper-light: #f7f3eb;
  --muted: #6b665e;
  --line: rgba(18, 17, 15, 0.2);
  --line-strong: rgba(18, 17, 15, 0.5);
  --gold: #9f741f;
  --white: #fffdf8;
  --max: 1320px;
  --gutter: clamp(1.2rem, 4vw, 4.5rem);
  --sans: Arial, Helvetica, sans-serif;
  --serif: Georgia, "Times New Roman", serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 124px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
::selection { background: #d6b96f; color: var(--ink); }

.skip-link {
  position: fixed;
  z-index: 300;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.65rem 0.85rem;
  background: var(--ink);
  color: var(--white);
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }

.page-shell,
.nav-shell {
  width: min(100%, calc(var(--max) + (var(--gutter) * 2)));
  margin: 0 auto;
  padding-inline: var(--gutter);
}

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  background: rgba(241, 236, 226, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}
.nav-shell {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.brand {
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}
.brand span { color: var(--gold); }
.nav-links { display: flex; align-items: center; gap: clamp(1.2rem, 2.6vw, 2.8rem); }
.nav-links a {
  padding: 0.4rem 0;
  border-bottom: 1px solid transparent;
  color: #48443e;
  text-decoration: none;
  font-size: 0.78rem;
  font-weight: 600;
}
.nav-links a:hover,
.nav-links a:focus-visible,
.nav-links a[aria-current="page"] { border-color: var(--ink); color: var(--ink); }
.menu-toggle {
  display: none;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--ink);
  font: 700 0.72rem var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero {
  min-height: calc(100svh - 72px);
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--line);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(210px, 0.7fr) minmax(0, 1.7fr);
  gap: clamp(3rem, 8vw, 9rem);
  align-items: end;
  padding-block: clamp(4rem, 9vw, 8rem);
}
.kicker {
  margin: 0;
  color: var(--gold);
  font: 700 0.66rem/1.4 var(--mono);
  letter-spacing: 0.13em;
  text-transform: uppercase;
}
.hero-context { padding-bottom: 0.75rem; }
.hero-note {
  max-width: 300px;
  margin: 1.3rem 0 2.4rem;
  color: var(--muted);
  font-size: 0.91rem;
}
.hero-links,
.contact-links { display: flex; flex-wrap: wrap; gap: 1.5rem; }
.hero-links a,
.contact-links a,
.contact-links button {
  padding-bottom: 0.22rem;
  border: 0;
  border-bottom: 1px solid currentColor;
  text-decoration: none;
  font-size: 0.78rem;
  font-weight: 700;
  background: transparent;
  color: inherit;
  font-family: inherit;
  cursor: pointer;
}
.hero-links a:hover,
.hero-links a:focus-visible,
.contact-links a:hover,
.contact-links a:focus-visible,
.contact-links button:hover,
.contact-links button:focus-visible { color: var(--gold); }
.hero-copy h1 {
  max-width: 930px;
  margin: 0;
  font: 400 clamp(4.6rem, 9.4vw, 9.3rem)/0.84 var(--serif);
  letter-spacing: -0.065em;
  text-wrap: balance;
}
.hero-copy > p {
  max-width: 690px;
  margin: clamp(2rem, 4vw, 3.5rem) 0 0;
  color: #4f4b44;
  font-size: clamp(1rem, 1.5vw, 1.22rem);
  line-height: 1.65;
}

.record-nav {
  position: sticky;
  z-index: 90;
  top: 72px;
  overflow-x: auto;
  background: var(--ink);
  color: var(--white);
}
.record-nav-inner {
  min-height: 54px;
  display: grid;
  grid-template-columns: 0.55fr repeat(5, 1fr);
  align-items: stretch;
  white-space: nowrap;
}
.record-nav span,
.record-nav a {
  display: flex;
  align-items: center;
  color: #b7b0a5;
  font: 600 0.63rem var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.record-nav a {
  position: relative;
  padding-inline: 1rem;
  border-left: 1px solid rgba(255, 255, 255, 0.14);
  text-decoration: none;
}
.record-nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2px;
  background: #caa550;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}
.record-nav a:hover,
.record-nav a:focus-visible,
.record-nav a.active { color: var(--white); }
.record-nav a.active::after { transform: scaleX(1); transform-origin: left; }

.system-proof {
  padding: clamp(4rem, 8vw, 7rem) 0;
  color: var(--white);
  background: var(--ink);
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}
.system-proof-head {
  display: grid;
  grid-template-columns: minmax(160px, 0.5fr) minmax(0, 1.8fr);
  gap: clamp(2rem, 7vw, 8rem);
  align-items: start;
}
.system-proof h2 {
  max-width: 820px;
  margin: 0;
  font: 400 clamp(3rem, 6vw, 6.4rem)/0.92 var(--serif);
  letter-spacing: -0.05em;
}
.system-proof-copy { max-width: 680px; margin: 1.6rem 0 0; color: #c5bfb4; line-height: 1.7; }
.system-proof-fields {
  margin-top: clamp(3rem, 6vw, 5rem);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid rgba(255, 255, 255, 0.22);
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
}
.system-proof-fields article { min-height: 175px; padding: 1.4rem clamp(1rem, 2vw, 1.8rem) 1.6rem 0; }
.system-proof-fields article + article { padding-left: clamp(1rem, 2vw, 1.8rem); border-left: 1px solid rgba(255, 255, 255, 0.22); }
.system-proof-fields small { display: block; color: var(--gold); font: 700 0.62rem var(--mono); letter-spacing: 0.12em; text-transform: uppercase; }
.system-proof-fields strong { display: block; margin-top: 2.2rem; font: 400 clamp(1.7rem, 3vw, 3rem)/1 var(--serif); letter-spacing: -0.035em; }
.system-proof-fields p { margin: 0.8rem 0 0; color: #aaa398; font-size: 0.82rem; line-height: 1.5; }
.system-proof-link { display: inline-flex; margin-top: 1.6rem; color: var(--white); font: 700 0.65rem var(--mono); letter-spacing: 0.1em; text-transform: uppercase; }

.ledger { background: var(--paper-light); }
.case {
  padding: clamp(5rem, 9vw, 9rem) 0;
  border-bottom: 1px solid var(--line);
}
.case:nth-child(even) { background: var(--paper-deep); }
.case-header {
  display: grid;
  grid-template-columns: minmax(110px, 0.42fr) minmax(0, 1.55fr) minmax(220px, 0.68fr);
  gap: clamp(1.5rem, 4vw, 4.5rem);
  align-items: end;
}
.case-index {
  align-self: start;
  display: grid;
  gap: 0.35rem;
  padding-top: 0.35rem;
  font: 600 0.64rem var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.case-index span:first-child { color: var(--gold); font-size: 1rem; }
.case-index span:last-child { color: var(--muted); }
.case-title h2 {
  margin: 0.7rem 0 0.9rem;
  font: 400 clamp(3.6rem, 7vw, 7rem)/0.88 var(--serif);
  letter-spacing: -0.055em;
}
.case-title > p:last-child { max-width: 650px; margin: 0; color: var(--muted); font-size: 1rem; }
.headline-result {
  min-height: 150px;
  padding-left: clamp(1.25rem, 3vw, 2.5rem);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  border-left: 1px solid var(--line);
}
.headline-result strong {
  font: 400 clamp(3rem, 5vw, 5rem)/0.9 var(--serif);
  letter-spacing: -0.05em;
}
.headline-result span { max-width: 230px; margin-top: 0.8rem; color: var(--muted); font-size: 0.82rem; }

.current-status {
  min-height: 150px;
  padding-left: clamp(1.25rem, 3vw, 2.5rem);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  border-left: 2px solid var(--gold);
  color: var(--gold);
  font: 700 0.66rem/1.5 var(--mono);
  letter-spacing: .1em;
  text-transform: uppercase;
}
.current-status strong { font-size: .78rem; }
.current-status span { margin-top: .35rem; color: var(--muted); }
.case-current { background: var(--paper-light); }
.current-build strong { font-size: clamp(1.1rem, 2vw, 1.65rem); }
.current-build span { font-family: var(--mono); letter-spacing: .06em; text-transform: uppercase; }

.case-detail {
  margin-top: clamp(3rem, 6vw, 5.5rem);
  display: grid;
  grid-template-columns: minmax(210px, 0.55fr) minmax(0, 1.75fr);
  gap: clamp(2rem, 6vw, 7rem);
  border-top: 1px solid var(--line-strong);
}
.case-role { padding-top: 1.35rem; }
.case-role > span,
.decision-grid h3 {
  color: var(--gold);
  font: 700 0.62rem var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.case-role strong { display: block; max-width: 250px; margin-top: 1.15rem; font-size: 0.94rem; line-height: 1.45; }
.case-role p { max-width: 260px; margin: 0.6rem 0 0; color: var(--muted); font-size: 0.82rem; }
.decision-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.decision-grid section { min-height: 250px; padding: 1.35rem clamp(1.1rem, 2.5vw, 2.1rem); border-left: 1px solid var(--line); }
.decision-grid h3 { margin: 0 0 clamp(2.2rem, 5vw, 4.2rem); }
.decision-grid p { margin: 0; color: #3f3b35; font-size: 0.92rem; line-height: 1.7; }

.receipts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.receipts > div { min-height: 150px; padding: 1.4rem clamp(0.9rem, 2vw, 1.7rem) 1.4rem 0; }
.receipts > div + div { padding-left: clamp(0.9rem, 2vw, 1.7rem); border-left: 1px solid var(--line); }
.receipts strong { display: block; font: 400 clamp(1.45rem, 2.8vw, 2.55rem)/1 var(--serif); letter-spacing: -0.035em; }
.receipts span { display: block; max-width: 230px; margin-top: 0.8rem; color: var(--muted); font-size: 0.79rem; line-height: 1.45; }

.throughline {
  padding: clamp(6rem, 12vw, 12rem) 0;
  background: var(--ink);
  color: var(--white);
}
.throughline-grid,
.contact-grid {
  display: grid;
  grid-template-columns: minmax(160px, 0.5fr) minmax(0, 1.8fr);
  gap: clamp(2rem, 7vw, 8rem);
}
.throughline h2,
.contact h2 {
  max-width: 980px;
  margin: 0;
  font: 400 clamp(3.6rem, 7.5vw, 7.8rem)/0.9 var(--serif);
  letter-spacing: -0.055em;
  text-wrap: balance;
}
.throughline-grid > div > p:not(.earlier-work) { max-width: 650px; margin: 2rem 0 0; color: #c5bfb4; font-size: 1rem; line-height: 1.7; }
.earlier-work { margin: 4rem 0 0; padding-top: 1.2rem; border-top: 1px solid rgba(255, 255, 255, 0.22); color: #9d968b; font: 600 0.65rem var(--mono); letter-spacing: 0.08em; text-transform: uppercase; }

.contact {
  padding: clamp(6rem, 11vw, 10rem) 0 2rem;
  background: #ddd4c5;
  border-top: 1px solid var(--line);
}
.contact h2 { max-width: 900px; }
.contact-grid > div > p { max-width: 620px; margin: 2rem 0 2.5rem; font-size: 1rem; }
.contact .kicker { color: var(--gold); }
.site-footer {
  margin-top: clamp(6rem, 12vw, 10rem);
  padding-top: 1.3rem;
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  border-top: 1px solid rgba(18, 17, 15, 0.4);
  font-size: 0.75rem;
}
.site-footer div { display: flex; flex-wrap: wrap; gap: 1.5rem; }
.site-footer a { text-decoration: none; }
.site-footer a:hover,
.site-footer a:focus-visible { text-decoration: underline; text-underline-offset: 0.25rem; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity 620ms ease, transform 620ms cubic-bezier(.2,.7,.2,1); }
.reveal.is-visible { opacity: 1; transform: none; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 4px; }

@media (max-width: 960px) {
  .case-header { grid-template-columns: 110px minmax(0, 1fr); }
  .headline-result { grid-column: 2; min-height: 0; padding: 1.5rem 0 0; border-top: 1px solid var(--line); border-left: 0; }
  .current-status { grid-column: 2; min-height: 0; padding: 1.5rem 0 0; border-top: 1px solid var(--gold); border-left: 0; }
  .case-detail { grid-template-columns: 1fr; gap: 1.5rem; }
  .case-role { display: grid; grid-template-columns: 0.5fr 1.5fr; gap: 1rem; }
  .case-role strong { margin: 0; }
  .case-role p { grid-column: 2; margin: -0.4rem 0 0; }
}

@media (max-width: 760px) {
  html { scroll-padding-top: 112px; }
  .nav-shell { min-height: 64px; }
  .menu-toggle { display: block; }
  .nav-links {
    position: fixed;
    inset: 64px 0 auto;
    padding: 1rem var(--gutter) 1.5rem;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
  }
  .nav-links.open { display: flex; }
  .nav-links a { width: 100%; padding: 0.75rem 0; }
  .hero { min-height: auto; }
  .hero-grid { grid-template-columns: 1fr; gap: 3.5rem; padding-block: 5rem; }
  .hero-context { order: 2; }
  .hero-copy h1 { font-size: clamp(4.1rem, 18vw, 6.4rem); }
  .record-nav { top: 64px; }
  .record-nav-inner { width: max-content; min-width: 100%; grid-template-columns: repeat(5, minmax(145px, 1fr)); }
  .record-nav span { display: none; }
  .record-nav a { justify-content: center; }
  .case { padding-block: 5rem; }
  .case-header { grid-template-columns: 1fr; gap: 1.5rem; }
  .headline-result { grid-column: auto; }
  .current-status { grid-column: auto; }
  .case-title h2 { font-size: clamp(3.6rem, 16vw, 5.6rem); }
  .decision-grid { grid-template-columns: 1fr; }
  .system-proof-head { grid-template-columns: 1fr; }
  .system-proof-fields { grid-template-columns: 1fr; }
  .system-proof-fields article { min-height: 0; padding: 1.4rem 0 1.6rem; }
  .system-proof-fields article + article { padding-left: 0; border-top: 1px solid rgba(255, 255, 255, 0.22); border-left: 0; }
  .decision-grid section { min-height: 0; padding: 1.4rem 0 1.8rem; border-left: 0; border-top: 1px solid var(--line); }
  .decision-grid h3 { margin-bottom: 1.4rem; }
  .receipts { grid-template-columns: 1fr 1fr; }
  .receipts > div { min-height: 135px; }
  .receipts > div + div { border-left: 0; }
  .receipts > div:nth-child(even) { padding-left: 1.1rem; border-left: 1px solid var(--line); }
  .receipts > div:nth-child(n+3) { border-top: 1px solid var(--line); }
  .throughline-grid,
  .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
  .throughline h2,
  .contact h2 { font-size: clamp(3.4rem, 15vw, 5.4rem); }
  .site-footer { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
}