:root {
  --canvas: #fff;
  --paper: #fff;
  --ink: #1c1c1a;
  --muted: #68625a;
  --line: rgba(28, 28, 26, .2);
  --rust: #a74c34;
  --night: #171715;
  --copper: #c8714d;
  --brand: #a65b37;
  --dusk: #5b5f8a;
  --dusk-deep: #383b5c;
  --muted-light: #b8b0a4;
  --brand-light: #e5ac7b;
  --header-h: 76px;
  --ease: cubic-bezier(.22, 1, .36, 1);
}

@font-face {
  font-family: "Source Serif 4";
  src: url("../fonts/source-serif-4-variable.ttf") format("truetype");
  font-style: normal;
  font-weight: 200 900;
  font-display: swap;
}

@font-face {
  font-family: "Source Serif 4";
  src: url("../fonts/source-serif-4-variable-italic.ttf") format("truetype");
  font-style: italic;
  font-weight: 200 900;
  font-display: swap;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

main { padding-top: var(--header-h); }
a { color: inherit; text-decoration: none; }
::selection { background: var(--rust); color: var(--paper); }
:focus-visible { outline: 3px solid var(--copper); outline-offset: 4px; }

.skip-link {
  position: fixed;
  z-index: 999;
  top: 12px;
  left: 12px;
  transform: translateY(-180%);
  padding: 12px 18px;
  background: var(--night);
  color: #fff;
}

.skip-link:focus { transform: translateY(0); }
.section-shell { width: min(100% - 40px, 1600px); margin-inline: auto; }

.site-header {
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
}

.site-header::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0 auto 0 50%;
  width: 100vw;
  transform: translateX(-50%);
  border-bottom: 1px solid rgba(28, 28, 26, .1);
  background: rgba(255, 255, 255, .9);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.wordmark {
  display: block;
  width: max-content;
  color: var(--ink);
  font-family: "Source Serif 4", "Iowan Old Style", Baskerville, "Times New Roman", serif;
  font-optical-sizing: auto;
  line-height: 1;
  white-space: nowrap;
}

.wordmark .primary {
  position: relative;
  display: block;
  padding-bottom: 10px;
  color: var(--ink);
  font-size: 21px;
  font-weight: 400;
  letter-spacing: .012em;
}

.wordmark .primary::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  background: var(--brand);
  background: linear-gradient(90deg in oklab, var(--brand) 0%, var(--dusk) 100%);
  opacity: .85;
  transition: opacity .3s var(--ease);
}

.wordmark:hover .primary::after { opacity: 1; }

.wordmark .sub {
  display: block;
  margin-top: 10px;
  margin-right: -.26em;
  color: var(--dusk-deep);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .26em;
  text-transform: uppercase;
}

.wordmark:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 6px;
  border-radius: 1px;
}

.header-note {
  margin: 0;
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.hero { padding: 0 0 24px; }

.hero-stage {
  height: clamp(500px, calc((100vw - 40px) * .42857), 686px);
  position: relative;
  overflow: hidden;
  border-radius: 16px;
  isolation: isolate;
  background:
    radial-gradient(circle at 28% 74%, rgba(91, 184, 201, .32), transparent 28%),
    radial-gradient(circle at 75% 26%, rgba(121, 99, 181, .28), transparent 30%),
    #111525;
  color: var(--paper);
}

.hero-light-grid,
.hero-light-grid-vignette {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.hero-light-grid { z-index: -2; display: block; }

.hero-light-grid-vignette {
  z-index: -1;
  background: linear-gradient(112deg, rgba(5, 8, 17, .26) 0%, rgba(5, 8, 17, .04) 48%, rgba(5, 8, 17, .18) 100%);
}

.hero-shade {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(180deg, rgba(4, 7, 16, .16), rgba(4, 7, 16, .16) 36%, rgba(4, 7, 16, .78));
}

.hero-content {
  position: absolute;
  z-index: 1;
  inset: 0;
  padding: clamp(30px, 3.1vw, 48px);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-end;
}

.hero h1 {
  max-width: 980px;
  margin: 0 0 26px;
  font-size: clamp(2.9rem, 3.65vw, 3.55rem);
  font-weight: 400;
  letter-spacing: -.045em;
  line-height: .96;
  text-wrap: balance;
}

.hero-line { display: block; }
.hero-line-sans { font-family: Arial, Helvetica, sans-serif; }

.hero-line-serif {
  font-family: "Source Serif 4", "Iowan Old Style", Baskerville, "Times New Roman", serif;
  font-style: italic;
}

.hero-bottom { display: flex; flex-direction: column; align-items: flex-start; gap: 26px; }

.hero-bottom > p {
  max-width: 660px;
  margin: 0;
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.45;
}

.eyebrow {
  margin: 0;
  color: var(--rust);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .15em;
  line-height: 1.2;
  text-transform: uppercase;
}

.launch {
  display: flex;
  justify-content: center;
  padding-block: clamp(84px, 10vw, 152px);
  text-align: center;
}

.launch-copy {
  width: min(100%, 1120px);
  margin-inline: auto;
}

.launch h2,
.page-hero h1,
.prose h2,
.prose h3 {
  font-family: "Source Serif 4", "Iowan Old Style", Baskerville, "Times New Roman", serif;
  font-weight: 400;
  letter-spacing: -.055em;
}

.launch h2 {
  max-width: 1080px;
  margin: 0 auto;
  font-size: clamp(2.8rem, 6.2vw, 6.5rem);
  line-height: .92;
  text-wrap: balance;
}

.launch-intro {
  max-width: 820px;
  margin: clamp(30px, 3.5vw, 48px) 0 0;
  margin-inline: auto;
  color: var(--muted);
  font-size: clamp(17px, 1.55vw, 21px);
}

.launch-copy .launch-date {
  max-width: none;
  margin: clamp(34px, 4vw, 54px) auto 0;
  color: var(--ink);
  font-size: clamp(11px, .85vw, 13px);
  font-weight: 700;
  letter-spacing: .15em;
  line-height: 1.4;
  text-transform: uppercase;
}

.launch-date time { font-weight: inherit; }

.site-footer {
  border-top: 1px solid var(--brand);
  background: var(--night);
  color: rgba(255, 255, 255, .72);
}

.footer-inner {
  min-height: 180px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding-block: 48px;
}

.footer-inner nav { display: flex; gap: 26px; font-size: 13px; }
.footer-inner nav a { color: rgba(255, 255, 255, .68); }
.footer-inner nav a:hover { color: #fff; }
.wordmark-light .primary { color: #fff; }
.wordmark-light .sub { color: var(--muted-light); }

.wordmark-light .primary::after {
  background: var(--brand-light);
  background: linear-gradient(90deg in oklab, var(--brand-light) 0%, #9aa0d4 100%);
  opacity: .9;
}

.page-hero {
  min-height: 45vh;
  display: grid;
  grid-template-columns: 1fr 2.2fr;
  gap: 48px;
  align-content: center;
  padding-block: clamp(78px, 9vw, 132px) 72px;
  border-bottom: 1px solid var(--line);
}

.page-hero h1 {
  margin: 0;
  font-size: clamp(3.5rem, 5vw, 5rem);
  line-height: .92;
}

.page-hero > p:last-child {
  grid-column: 2;
  max-width: 700px;
  margin: 34px 0 0;
  color: var(--muted);
  font-size: 20px;
}

.content-section { padding-block: clamp(78px, 8.5vw, 132px); }

.content-grid {
  display: grid;
  grid-template-columns: 1fr 2.2fr;
  gap: 48px;
}

.prose { max-width: 760px; min-width: 0; overflow-wrap: anywhere; }
.prose h2 { margin: 0 0 36px; font-size: clamp(2.5rem, 3.8vw, 4rem); line-height: .96; }
.prose h3 { margin-top: 2em; font-size: 32px; letter-spacing: -.03em; }
.prose p,
.prose li { color: var(--muted); font-size: 18px; }
.prose a { text-decoration: underline; text-underline-offset: 4px; }
.prose > *:first-child { margin-top: 0; }
.prose > *:last-child { margin-bottom: 0; }

.prose ul {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.prose li {
  position: relative;
  padding: 16px 0 16px 28px;
  border-bottom: 1px solid var(--line);
}

.prose li::before {
  content: "↗";
  position: absolute;
  top: 16px;
  left: 0;
  color: var(--rust);
  font-size: 13px;
}

.legal-note {
  padding: 22px;
  border: 1px solid var(--rust);
  color: var(--rust) !important;
}

@media (max-width: 900px) {
  :root { --header-h: 64px; }
  .wordmark .primary { padding-bottom: 8px; font-size: 18px; }
  .wordmark .sub { margin-top: 8px; font-size: 8.5px; letter-spacing: .22em; }
  .page-hero,
  .content-grid { grid-template-columns: 1fr; gap: 24px; }
  .page-hero > p:last-child { grid-column: 1; }
}

@media (max-width: 640px) {
  .section-shell { width: min(100% - 36px, 1540px); }
  .site-header { gap: 16px; }
  .header-note { max-width: 16ch; text-align: right; font-size: 8px; }
  .hero { width: calc(100% - 24px); padding: 0 0 18px; }
  .hero-stage { height: min(680px, calc(100svh - 76px)); min-height: 580px; border-radius: 12px; }
  .hero-content { padding: 28px 20px; }
  .hero h1 { max-width: 330px; margin-bottom: 20px; font-size: clamp(2.05rem, 8.7vw, 2.45rem); line-height: .98; }
  .hero-bottom { gap: 20px; }
  .hero-bottom > p { max-width: 320px; font-size: 15px; }
  .launch { padding-block: 76px 92px; }
  .launch h2 { max-width: 100%; font-size: clamp(2.35rem, 10.4vw, 3.5rem); line-height: .96; }
  .launch-intro { font-size: 16px; line-height: 1.62; }
  .footer-inner { min-height: 220px; flex-direction: column; align-items: flex-start; justify-content: center; }
  .page-hero { min-height: 56vh; padding-top: 78px; }
  .prose p,
  .prose li { font-size: 17px; }
}

@media (max-width: 400px) {
  .wordmark .primary { padding-bottom: 7px; font-size: 17px; }
  .wordmark .sub { margin-top: 7px; font-size: 8px; letter-spacing: .2em; }
}

@media (max-width: 359px) {
  .launch h2 { font-size: clamp(2rem, 10.4vw, 2.15rem); }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }
}
