:root {
  color-scheme: dark;
  --black: #050607;
  --ink: #0b0d0e;
  --panel: #10100f;
  --paper: #e8dcc4;
  --paper-soft: #c9bda6;
  --muted: #938977;
  --amber: #ffb765;
  --amber-dark: #c98a3f;
  --red: #b93a2f;
  --line: rgba(232, 220, 196, 0.15);
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --mono: "Courier New", Courier, monospace;
  --max: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--black);
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  color: var(--paper);
  background:
    radial-gradient(circle at 18% 22%, rgba(201, 138, 63, 0.07), transparent 32rem),
    linear-gradient(180deg, #08090a 0%, #0b0b0a 48%, #050607 100%);
  font-family: var(--serif);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

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

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

.container,
.site-header,
footer {
  width: min(calc(100% - 48px), var(--max));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  border: 1px solid var(--amber);
  color: var(--black);
  background: var(--amber);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transform: translateY(-180%);
}

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

.site-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 88px;
  border-bottom: 1px solid rgba(232, 220, 196, 0.13);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
}

.brand-number {
  display: grid;
  width: 44px;
  height: 38px;
  place-items: center;
  border: 1px solid var(--amber-dark);
  color: var(--amber);
  font-family: var(--mono);
  font-size: 16px;
  letter-spacing: 0.08em;
  box-shadow: inset 0 0 0 3px rgba(201, 138, 63, 0.09);
}

.brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.brand-copy strong {
  font-size: 16px;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.brand-copy small {
  margin-top: 7px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: 30px;
}

.site-header nav a,
.header-play {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.site-header nav a {
  color: var(--paper-soft);
}

.site-header nav a:hover,
footer a:hover {
  color: var(--amber);
}

.header-play {
  padding: 12px 16px;
  border: 1px solid rgba(255, 183, 101, 0.55);
  color: #1a1007;
  background: var(--amber);
  font-weight: 700;
}

.hero {
  position: relative;
  min-height: 960px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero-art,
.hero-shade,
.hero-grain {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-art {
  object-fit: cover;
  object-position: center;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(3, 4, 4, 0.1) 0%, rgba(3, 4, 4, 0.18) 35%, rgba(3, 4, 4, 0.76) 60%, rgba(3, 4, 4, 0.97) 100%),
    linear-gradient(180deg, rgba(3, 4, 4, 0.22) 0%, transparent 34%, rgba(3, 4, 4, 0.24) 68%, #070809 100%);
}

.hero-grain {
  opacity: 0.22;
  background-image: repeating-linear-gradient(0deg, transparent 0 3px, rgba(255, 255, 255, 0.018) 3px 4px);
  mix-blend-mode: soft-light;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  min-height: 900px;
  align-items: flex-start;
  padding: 145px 0 158px;
}

.hero-copy {
  width: min(590px, 48vw);
  margin-left: auto;
}

.hero-mark {
  width: 260px;
  margin: 0 0 16px auto;
  filter: drop-shadow(0 18px 34px rgba(0, 0, 0, 0.72));
}

.eyebrow,
.section-index,
.file-label,
.file-number,
.screen-frame figcaption {
  font-family: var(--mono);
  text-transform: uppercase;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--amber-dark);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.24em;
}

.eyebrow span,
.screen-frame figcaption span {
  display: inline-block;
  width: 30px;
  height: 1px;
  margin-right: 12px;
  vertical-align: middle;
  background: var(--amber-dark);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  font-weight: 400;
}

h1 {
  max-width: 700px;
  margin-bottom: 24px;
  font-size: clamp(54px, 5.3vw, 76px);
  line-height: 0.98;
  letter-spacing: -0.035em;
}

h1 em {
  color: var(--amber);
  font-style: normal;
}

.hero-lead {
  max-width: 610px;
  margin-bottom: 31px;
  color: var(--paper-soft);
  font-size: 20px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 0 24px;
  border: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: color 180ms ease, border-color 180ms ease, background 180ms ease;
}

.button-primary {
  border-color: var(--amber-dark);
  color: #1a1007;
  background: var(--amber);
}

.button-primary:hover {
  background: #ffd195;
}

.button-secondary {
  background: rgba(7, 8, 9, 0.68);
}

.button-secondary:hover {
  border-color: var(--amber-dark);
  color: var(--amber);
}

.trust-row {
  display: flex;
  gap: 24px;
  margin: 22px 0 0;
  padding: 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.16em;
  list-style: none;
  text-transform: uppercase;
}

.trust-row li::before {
  margin-right: 8px;
  color: var(--amber-dark);
  content: "◇";
}

.proof-rail {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  width: min(calc(100% - 48px), var(--max));
  margin: 0 auto;
  border: 1px solid var(--line);
  border-bottom: 0;
  background: rgba(5, 6, 7, 0.78);
  backdrop-filter: blur(12px);
}

.proof-rail div {
  min-height: 104px;
  padding: 21px 26px;
  border-right: 1px solid var(--line);
}

.proof-rail div:last-child {
  border-right: 0;
}

.proof-rail dt {
  color: var(--amber);
  font-size: 28px;
  line-height: 1.1;
}

.proof-rail dd {
  margin: 8px 0 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.section {
  padding: 118px 0;
}

.section-index {
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.2em;
}

h2 {
  margin-bottom: 24px;
  font-size: clamp(42px, 5vw, 68px);
  line-height: 1.04;
  letter-spacing: -0.025em;
}

.opening-grid {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 80px;
  align-items: start;
}

.opening-copy {
  padding-top: 35px;
  color: var(--paper-soft);
}

.section-lead {
  color: var(--paper);
  font-size: 20px;
  line-height: 1.65;
}

.opening-copy > p:last-child,
.evidence-copy > p {
  font-size: 17px;
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 72px;
  border: 1px solid var(--line);
}

.method-grid article {
  min-height: 300px;
  padding: 34px 32px;
  border-right: 1px solid var(--line);
  background: linear-gradient(150deg, rgba(255, 183, 101, 0.035), transparent 50%);
}

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

.method-grid article > span {
  display: block;
  margin-bottom: 70px;
  color: var(--amber-dark);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
}

.method-grid h3,
.file-grid h3 {
  margin-bottom: 14px;
  font-size: 28px;
  line-height: 1.15;
}

.method-grid p,
.file-grid p {
  margin-bottom: 0;
  color: var(--paper-soft);
}

.evidence {
  padding-top: 80px;
  border-block: 1px solid rgba(232, 220, 196, 0.08);
  background: #080909;
}

.evidence-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(340px, 0.7fr);
  gap: 68px;
  align-items: center;
}

.screen-frame {
  margin: 0;
  padding: 7px;
  border: 1px solid var(--line);
  background: #030404;
  box-shadow: 0 36px 90px rgba(0, 0, 0, 0.52);
}

.screen-frame img {
  width: 100%;
}

.screen-frame figcaption {
  padding: 14px 12px 7px;
  color: var(--muted);
  font-size: 8px;
  letter-spacing: 0.17em;
}

.screen-frame figcaption span {
  width: 18px;
  margin-right: 8px;
}

.evidence-copy h2 {
  font-size: clamp(39px, 4vw, 58px);
}

.ledger-list {
  margin: 34px 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.ledger-list li {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 20px;
  padding: 17px 0;
  border-bottom: 1px solid var(--line);
}

.ledger-list span {
  color: var(--amber-dark);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.ledger-list strong {
  font-size: 14px;
  font-weight: 400;
}

.text-link {
  display: inline-flex;
  gap: 14px;
  align-items: center;
  padding-bottom: 5px;
  border-bottom: 1px solid var(--amber-dark);
  color: var(--amber);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.section-heading {
  display: grid;
  grid-template-columns: 0.7fr 1.15fr 0.75fr;
  gap: 48px;
  align-items: end;
  margin-bottom: 54px;
}

.section-heading h2,
.section-heading p {
  margin-bottom: 0;
}

.section-heading > p {
  color: var(--paper-soft);
  font-size: 16px;
}

.file-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-block: 1px solid var(--line);
}

.file-grid article {
  min-height: 320px;
  padding: 36px 32px;
  border-right: 1px solid var(--line);
}

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

.file-number {
  display: inline-block;
  margin-bottom: 58px;
  padding: 6px 8px 5px 10px;
  border: 1px solid rgba(201, 138, 63, 0.38);
  color: var(--amber);
  font-size: 10px;
  letter-spacing: 0.22em;
}

.file-label {
  margin-bottom: 11px !important;
  color: var(--muted) !important;
  font-size: 8px;
  letter-spacing: 0.2em;
}

.board-showcase {
  position: relative;
  min-height: 790px;
  overflow: hidden;
  border-block: 1px solid var(--line);
}

.board-showcase > img,
.board-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.board-showcase > img {
  object-fit: cover;
  object-position: center;
}

.board-shade {
  background:
    linear-gradient(90deg, rgba(3, 4, 4, 0.96) 0%, rgba(3, 4, 4, 0.82) 38%, rgba(3, 4, 4, 0.12) 72%),
    linear-gradient(180deg, rgba(3, 4, 4, 0.25), transparent 45%, rgba(3, 4, 4, 0.5));
}

.board-copy {
  position: relative;
  z-index: 2;
  display: flex;
  min-height: 790px;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}

.board-copy h2,
.board-copy > p:not(.eyebrow):not(.section-index) {
  max-width: 600px;
}

.board-copy > p:not(.eyebrow):not(.section-index) {
  margin-bottom: 28px;
  color: var(--paper-soft);
  font-size: 18px;
}

.faq-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 90px;
  align-items: start;
}

.faq-heading {
  position: sticky;
  top: 40px;
}

.faq-heading > p:not(.eyebrow):not(.section-index) {
  color: var(--paper-soft);
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  display: flex;
  min-height: 82px;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  cursor: pointer;
  font-size: 18px;
  list-style: none;
}

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

.faq-list summary span {
  color: var(--amber-dark);
  font-family: var(--mono);
  font-size: 18px;
  transition: transform 180ms ease;
}

.faq-list details[open] summary span {
  transform: rotate(45deg);
}

.faq-list details p {
  max-width: 68ch;
  padding: 0 48px 26px 0;
  color: var(--paper-soft);
}

.final-cta {
  position: relative;
  min-height: 660px;
  overflow: hidden;
  border-block: 1px solid var(--line);
}

.final-cta > img,
.final-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.final-cta > img {
  object-fit: cover;
  object-position: center;
}

.final-shade {
  background: linear-gradient(90deg, rgba(3, 4, 4, 0.08), rgba(3, 4, 4, 0.38) 40%, rgba(3, 4, 4, 0.96) 72%);
}

.final-content {
  position: relative;
  z-index: 2;
  display: flex;
  min-height: 660px;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding-left: min(50%, 620px);
}

.final-content h2 {
  font-size: clamp(44px, 4.8vw, 68px);
}

.final-content > p:not(.eyebrow) {
  max-width: 590px;
  margin-bottom: 30px;
  color: var(--paper-soft);
  font-size: 18px;
}

footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 30px;
  align-items: center;
  min-height: 150px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--paper);
}

.footer-brand span {
  display: grid;
  width: 34px;
  height: 30px;
  place-items: center;
  border: 1px solid var(--amber-dark);
  color: var(--amber);
}

footer p {
  margin: 0;
}

footer nav {
  display: flex;
  justify-content: flex-end;
  gap: 24px;
}

@media (max-width: 1020px) {
  .site-header nav {
    display: none;
  }

  .hero-copy {
    width: min(620px, 58vw);
  }

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

  .evidence-copy {
    max-width: 720px;
  }

  .section-heading {
    grid-template-columns: 1fr 1.4fr;
  }

  .section-heading > p {
    grid-column: 2;
  }

  .faq-grid {
    gap: 50px;
  }

  footer {
    grid-template-columns: 1fr auto;
  }

  footer > p {
    display: none;
  }
}

@media (max-width: 700px) {
  .container,
  .site-header,
  .proof-rail,
  footer {
    width: min(calc(100% - 28px), var(--max));
  }

  .site-header {
    min-height: 74px;
  }

  .brand-copy small {
    display: none;
  }

  .brand-number {
    width: 37px;
    height: 33px;
    font-size: 13px;
  }

  .brand-copy strong {
    font-size: 12px;
  }

  .header-play {
    padding: 10px 11px;
    font-size: 8px;
  }

  .hero {
    min-height: auto;
  }

  .hero-art,
  .hero-shade,
  .hero-grain {
    height: 780px;
    bottom: auto;
  }

  .hero-art {
    object-position: 35% center;
  }

  .hero-shade {
    background:
      linear-gradient(90deg, rgba(3, 4, 4, 0.46), rgba(3, 4, 4, 0.88)),
      linear-gradient(180deg, rgba(3, 4, 4, 0.25), rgba(3, 4, 4, 0.5) 60%, #070809 100%);
  }

  .hero-inner {
    min-height: 780px;
    align-items: flex-start;
    padding: 112px 0 64px;
  }

  .hero-copy {
    width: 100%;
  }

  .hero-mark {
    width: 230px;
    margin: 0 auto 20px;
  }

  .eyebrow {
    font-size: 8px;
    letter-spacing: 0.2em;
  }

  h1 {
    font-size: clamp(46px, 14vw, 61px);
  }

  .hero-lead {
    font-size: 17px;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .hero-actions {
    flex-direction: column;
  }

  .trust-row {
    gap: 12px;
    font-size: 8px;
  }

  .trust-row li::before {
    margin-right: 4px;
  }

  .proof-rail {
    position: relative;
    grid-template-columns: repeat(2, 1fr);
    border-bottom: 1px solid var(--line);
  }

  .proof-rail div {
    min-height: 84px;
    padding: 16px;
  }

  .proof-rail div:nth-child(2) {
    border-right: 0;
  }

  .proof-rail div:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .proof-rail dt {
    font-size: 22px;
  }

  .section {
    padding: 76px 0;
  }

  h2,
  .evidence-copy h2,
  .final-content h2 {
    font-size: clamp(38px, 12vw, 50px);
  }

  .opening-grid,
  .section-heading,
  .faq-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .opening-copy {
    padding-top: 0;
  }

  .section-lead {
    font-size: 18px;
  }

  .method-grid,
  .file-grid {
    grid-template-columns: 1fr;
    margin-top: 45px;
  }

  .method-grid article,
  .file-grid article {
    min-height: 0;
    padding: 28px 24px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .method-grid article:last-child,
  .file-grid article:last-child {
    border-bottom: 0;
  }

  .method-grid article > span,
  .file-number {
    margin-bottom: 28px;
  }

  .evidence {
    padding-top: 70px;
  }

  .evidence-grid {
    gap: 42px;
  }

  .ledger-list li {
    grid-template-columns: 72px 1fr;
    gap: 14px;
  }

  .section-heading > p {
    grid-column: auto;
  }

  .board-showcase,
  .board-copy {
    min-height: 680px;
  }

  .board-showcase > img {
    object-position: 67% center;
  }

  .board-shade {
    background: linear-gradient(90deg, rgba(3, 4, 4, 0.94), rgba(3, 4, 4, 0.65));
  }

  .board-copy > p:not(.eyebrow):not(.section-index) {
    font-size: 16px;
  }

  .faq-heading {
    position: static;
  }

  .faq-list summary {
    min-height: 74px;
    font-size: 16px;
  }

  .final-cta,
  .final-content {
    min-height: 620px;
  }

  .final-cta > img {
    object-position: 35% center;
  }

  .final-shade {
    background: linear-gradient(90deg, rgba(3, 4, 4, 0.52), rgba(3, 4, 4, 0.9));
  }

  .final-content {
    padding-left: 0;
  }

  footer {
    grid-template-columns: 1fr;
    padding: 34px 0;
  }

  footer nav {
    justify-content: flex-start;
    flex-wrap: wrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}