:root {
  color-scheme: dark;
  --black: #050505;
  --paper: #efeee9;
  --muted: #8f8f8a;
  --line: #2b2b29;
  --red: #f20f25;
  font-family: Arial, Helvetica, sans-serif;
}

* { box-sizing: border-box; }
html { background: var(--black); }

body {
  min-width: 300px;
  min-height: 100vh;
  margin: 0;
  border-left: 8px solid var(--red);
  color: var(--paper);
  background: var(--black);
}

a { color: inherit; }

.masthead,
main,
footer {
  width: min(100% - 48px, 1180px);
  margin-inline: auto;
}

.masthead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  border-bottom: 1px solid var(--line);
}

.return-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-decoration: none;
  text-transform: uppercase;
}

.return-link img {
  width: 44px;
  height: 32px;
  object-fit: cover;
  mix-blend-mode: screen;
}

.masthead > p {
  margin: 0;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.68rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.masthead b { color: var(--paper); }

.identity {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.55fr);
  min-height: 660px;
  border-bottom: 1px solid var(--line);
}

.identity-type {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  padding: 80px 24px 80px 0;
}

.locator,
.section-number,
.location,
.identity-mark figcaption,
.closing-note {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  text-transform: uppercase;
}

.locator {
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
}

h1 {
  margin: 0;
  font-family: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif;
  font-size: clamp(6rem, 15vw, 12.5rem);
  font-stretch: condensed;
  font-weight: 900;
  letter-spacing: -0.055em;
  line-height: 0.69;
  text-transform: uppercase;
}

h1 span { display: block; }
h1 span:first-child { color: var(--red); }

.designation {
  margin: 36px 0 0;
  font-size: clamp(1rem, 2vw, 1.35rem);
  font-weight: 900;
  letter-spacing: 0.48em;
  text-transform: uppercase;
}

.identity-mark {
  display: grid;
  grid-template-rows: 1fr auto;
  min-width: 0;
  margin: 0;
  padding: 54px 0 36px 34px;
  border-left: 1px solid var(--line);
}

.identity-mark img {
  align-self: center;
  display: block;
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  mix-blend-mode: screen;
}

.identity-mark figcaption {
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.64rem;
  letter-spacing: 0.1em;
  line-height: 1.5;
}

.purpose {
  display: grid;
  grid-template-columns: 1fr 3fr;
  gap: 32px;
  padding: 92px 0 112px;
  border-bottom: 1px solid var(--line);
}

.section-number {
  margin: 4px 0 0;
  color: var(--red);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

h2 {
  margin: 0;
  font-family: "Arial Narrow", Arial, Helvetica, sans-serif;
  font-size: clamp(2.5rem, 6vw, 5.25rem);
  font-stretch: condensed;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.purpose h2 { max-width: 850px; }

.purpose div > p {
  max-width: 650px;
  margin: 34px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.65;
}

.principle {
  display: grid;
  grid-template-columns: 2.2fr 1fr;
  gap: 40px;
  align-items: end;
  padding: 38px 0;
  border-bottom: 8px solid var(--red);
}

.principle p {
  margin: 0;
  font-family: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif;
  font-size: clamp(3rem, 7vw, 6.5rem);
  letter-spacing: -0.025em;
  line-height: 0.9;
  text-transform: uppercase;
}

.principle span {
  padding-bottom: 5px;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.6;
}

.model-register { padding: 118px 0 126px; }

.register-heading {
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  gap: 32px;
  align-items: end;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--paper);
}

.register-heading > p:last-child {
  margin: 0 0 5px;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.register article {
  display: grid;
  grid-template-columns: 0.55fr 1.4fr 1fr 2.5fr;
  gap: 32px;
  align-items: baseline;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.model-letter {
  color: var(--red);
  font-family: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif;
  font-size: 3.5rem;
  line-height: 0.8;
}

.location {
  margin: 0;
  color: var(--muted);
  font-size: 0.64rem;
  letter-spacing: 0.08em;
  line-height: 1.5;
}

.register h3 {
  margin: 0;
  font-size: 1.08rem;
  text-transform: uppercase;
}

.description {
  margin: 0;
  color: #b8b8b2;
  font-size: 0.94rem;
  line-height: 1.55;
}

.coverage {
  display: grid;
  grid-template-columns: 1fr 1.55fr;
  gap: 8vw;
  padding: 100px 0;
  border-top: 1px solid var(--paper);
  border-bottom: 1px solid var(--line);
}

.coverage-heading h2 { margin-top: 24px; }
.coverage dl { margin: 0; }

.coverage dl > div {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.coverage dl > div:first-child { border-top: 1px solid var(--line); }

.coverage dt {
  font-weight: 800;
  text-transform: uppercase;
}

.coverage dd {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.closing-note {
  margin: 0;
  padding: 36px 0 96px;
  color: #686864;
  font-size: 0.62rem;
  letter-spacing: 0.09em;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  padding: 26px 0 34px;
  border-top: 1px solid var(--line);
  color: #777773;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.67rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

footer nav { display: flex; gap: 26px; }
footer a { text-decoration: none; }
footer a:hover { color: var(--paper); }

@media (max-width: 800px) {
  .identity { grid-template-columns: minmax(0, 1fr) 210px; min-height: 530px; }
  .purpose, .principle, .coverage { grid-template-columns: 1fr; }
  .principle { align-items: start; }
  .register-heading { grid-template-columns: 1fr 2fr; }
  .register-heading > p:last-child { display: none; }
  .register article { grid-template-columns: 70px 1fr 1fr; }
  .description { grid-column: 2 / -1; }
}

@media (max-width: 560px) {
  body { border-left-width: 5px; }
  .masthead, main, footer { width: min(100% - 30px, 1180px); }
  .masthead > p { display: none; }
  .identity { grid-template-columns: 1fr; min-height: auto; }
  .identity-type { min-height: 480px; padding: 70px 0 54px; }
  h1 { font-size: clamp(5.8rem, 32vw, 9rem); }
  .identity-mark { grid-template-columns: 140px 1fr; grid-template-rows: auto; align-items: end; gap: 20px; padding: 24px 0; border-top: 1px solid var(--line); border-left: 0; }
  .identity-mark figcaption { padding: 0 0 4px; border: 0; }
  .purpose { padding: 72px 0 82px; }
  .register-heading { grid-template-columns: 1fr; }
  .model-register { padding: 86px 0; }
  .register article { grid-template-columns: 58px 1fr; gap: 18px; }
  .register h3 { grid-column: 2; }
  .location { grid-column: 2; grid-row: 1; }
  .model-letter { grid-row: 1 / span 2; }
  .description { grid-column: 2; }
  .coverage { padding: 76px 0; }
  .coverage dl > div { grid-template-columns: 1fr; gap: 8px; }
  footer { flex-direction: column; }
}