:root {
  --ink: #101820;
  --ink-soft: #24313a;
  --paper: #f7f8f5;
  --white: #ffffff;
  --line: #cbd2d0;
  --muted: #56646c;
  --signal: #c94f2c;
  --signal-dark: #a63c20;
  --measure: 72rem;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.6;
}

a {
  color: inherit;
}

.skip-link {
  position: fixed;
  z-index: 10;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.7rem 1rem;
  background: var(--white);
  color: var(--ink);
  border: 2px solid var(--ink);
  transform: translateY(-180%);
}

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

.shell {
  width: min(calc(100% - 2.5rem), var(--measure));
  margin-inline: auto;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 94%, transparent);
}

.header-inner,
.footer-inner {
  min-height: 5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  font-weight: 720;
  letter-spacing: -0.02em;
}

.wordmark-mark {
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  border-radius: 0.3rem;
  background: var(--ink);
  color: var(--white);
  font-size: 0.95rem;
  font-weight: 800;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

nav a {
  color: var(--ink-soft);
  font-size: 0.95rem;
  font-weight: 620;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.3rem;
}

nav a:not(:hover):not(:focus-visible) {
  text-decoration-color: transparent;
}

.hero {
  padding-block: clamp(4rem, 9vw, 8rem);
  border-bottom: 1px solid var(--line);
  background-image:
    linear-gradient(to right, transparent calc(100% - 1px), rgba(16, 24, 32, 0.04) 1px),
    linear-gradient(to bottom, transparent calc(100% - 1px), rgba(16, 24, 32, 0.04) 1px);
  background-size: 3rem 3rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(19rem, 0.75fr);
  gap: clamp(3rem, 8vw, 7rem);
  align-items: center;
}

.eyebrow,
.card-kicker {
  margin: 0 0 1rem;
  color: var(--signal-dark);
  font-size: 0.82rem;
  font-weight: 780;
  letter-spacing: 0.12em;
  line-height: 1.4;
  text-transform: uppercase;
}

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

h1 {
  max-width: 14ch;
  margin-bottom: 1.5rem;
  font-size: clamp(3rem, 7.2vw, 6.6rem);
  line-height: 0.97;
  letter-spacing: -0.065em;
  text-wrap: balance;
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(2rem, 4vw, 3.8rem);
  line-height: 1.08;
  letter-spacing: -0.045em;
  text-wrap: balance;
}

h3 {
  margin-bottom: 0.6rem;
  font-size: 1.25rem;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.lede {
  max-width: 36rem;
  margin-bottom: 2rem;
  color: var(--ink-soft);
  font-size: clamp(1.2rem, 2.2vw, 1.55rem);
  line-height: 1.5;
}

.button {
  display: inline-flex;
  min-height: 3.25rem;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.15rem;
  border-radius: 0.35rem;
  background: var(--ink);
  color: var(--white);
  font-weight: 720;
  text-decoration: none;
}

.button:hover {
  background: var(--signal-dark);
}

.button:focus-visible,
a:focus-visible {
  outline: 3px solid var(--signal);
  outline-offset: 4px;
}

.program-card {
  padding: clamp(1.5rem, 4vw, 2.4rem);
  border: 1px solid var(--ink);
  border-top: 0.5rem solid var(--signal);
  background: var(--white);
  box-shadow: 0.8rem 0.8rem 0 var(--ink);
}

.program-card h2 {
  font-size: clamp(1.55rem, 2.6vw, 2.1rem);
  line-height: 1.15;
  letter-spacing: -0.035em;
}

.program-card > p:not(.card-kicker):not(.display-size) {
  color: var(--ink-soft);
}

.display-size {
  margin-bottom: 0.25rem;
  font-size: clamp(4rem, 9vw, 7rem);
  font-weight: 820;
  letter-spacing: -0.075em;
  line-height: 0.95;
}

.display-size span {
  margin-left: 0.25rem;
  color: var(--muted);
  font-size: 0.24em;
  letter-spacing: 0;
  text-transform: uppercase;
}

.card-status {
  margin: 1.8rem 0 0;
  border-top: 1px solid var(--line);
}

.card-status div {
  display: grid;
  grid-template-columns: 5rem 1fr;
  gap: 1rem;
  padding-block: 0.9rem;
  border-bottom: 1px solid var(--line);
}

.card-status dt,
.spec-list dt {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 760;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.card-status dd,
.spec-list dd {
  margin: 0;
  font-weight: 620;
}

.section {
  padding-block: clamp(4.5rem, 9vw, 8rem);
  border-bottom: 1px solid var(--line);
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(15rem, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(3rem, 8vw, 8rem);
}

.section-heading h2 {
  font-size: clamp(2rem, 3.5vw, 3.2rem);
}

.section-body {
  max-width: 44rem;
}

.intro {
  margin-bottom: 2.5rem;
  font-size: clamp(1.12rem, 1.8vw, 1.35rem);
  line-height: 1.6;
}

.spec-list {
  margin: 0;
  border-top: 1px solid var(--line);
}

.spec-list div {
  display: grid;
  grid-template-columns: minmax(7rem, 0.35fr) minmax(0, 1fr);
  gap: 1.5rem;
  padding-block: 1.15rem;
  border-bottom: 1px solid var(--line);
}

.section-dark {
  background: var(--ink);
  color: var(--white);
  border-color: #34424b;
}

.section-dark .eyebrow {
  color: #ff9b78;
}

.section-dark .intro,
.section-dark article p {
  color: #dbe1e2;
}

.principles {
  border-top: 1px solid #41505a;
}

.principles article {
  display: grid;
  grid-template-columns: 3.5rem minmax(9rem, 0.45fr) minmax(0, 1fr);
  gap: 1.25rem;
  padding-block: 1.5rem;
  border-bottom: 1px solid #41505a;
}

.principles article > span {
  color: #ff9b78;
  font-weight: 760;
}

.principles article h3,
.principles article p {
  margin-bottom: 0;
}

.about {
  background: var(--white);
}

.contact {
  padding-block: clamp(3.5rem, 7vw, 6rem);
  background: var(--signal);
  color: #160d09;
}

.contact .eyebrow {
  color: #3b160c;
}

.contact-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(17rem, 0.6fr);
  gap: 3rem;
  align-items: end;
}

.contact h2 {
  max-width: 11ch;
  margin-bottom: 0;
}

.contact-details p {
  margin-bottom: 1rem;
}

.contact-details a {
  display: inline-block;
  margin-bottom: 1rem;
  font-size: 1.15rem;
  font-weight: 760;
  text-underline-offset: 0.25rem;
}

footer {
  background: var(--ink);
  color: #dbe1e2;
}

.footer-inner {
  min-height: 5.5rem;
  font-size: 0.9rem;
}

.footer-inner p {
  margin: 0;
}

@media (max-width: 760px) {
  .header-inner {
    min-height: auto;
    padding-block: 1.1rem;
    align-items: flex-start;
    flex-direction: column;
    gap: 1rem;
  }

  nav {
    gap: 1.1rem;
  }

  .hero-grid,
  .section-grid,
  .contact-inner {
    grid-template-columns: 1fr;
  }

  .program-card {
    box-shadow: 0.45rem 0.45rem 0 var(--ink);
  }

  .principles article {
    grid-template-columns: 2.5rem 1fr;
  }

  .principles article p {
    grid-column: 2;
  }

  .footer-inner {
    padding-block: 1.5rem;
    align-items: flex-start;
    flex-direction: column;
    gap: 0.4rem;
  }
}

@media (max-width: 460px) {
  .shell {
    width: min(calc(100% - 1.5rem), var(--measure));
  }

  .spec-list div {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }
}

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