@font-face {
  font-family: "Barlow Condensed";
  src: url("barlow-condensed-800.woff2") format("woff2");
  font-style: normal;
  font-weight: 800;
  font-display: swap;
}

@font-face {
  font-family: "Instrument Sans";
  src: url("instrument-sans.woff2") format("woff2");
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
}

:root {
  color-scheme: dark;
  --ink: #101014;
  --charcoal: #19191e;
  --orange: #fd6305;
  --light: #fff;
  --paper: #f5f2ed;
  --muted: #c1bec0;
  --display: "Barlow Condensed", "Arial Narrow", Impact, sans-serif;
  --body: "Instrument Sans", system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--ink); color: var(--light); font-family: var(--body); }
a { color: inherit; }
img { display: block; max-width: 100%; height: auto; }
h1, h2, p, dl, dd { margin: 0; }
h1, h2 { font-family: var(--display); font-weight: 800; line-height: .94; text-transform: uppercase; }
h2 { font-size: clamp(3.05rem, 6vw, 5.55rem); }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--orange); outline-offset: 5px; }

.container { width: min(100% - clamp(2rem, 10vw, 10rem), 75rem); margin-inline: auto; }
.skip-link { position: absolute; z-index: 2; top: .75rem; left: .75rem; padding: .8rem; background: var(--light); color: var(--ink); transform: translateY(-200%); }
.skip-link:focus { transform: none; }
.site-header { border-bottom: 1px solid #ffffff20; }
.header-inner, .footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 1.25rem; }
.header-inner { min-height: 5.45rem; }
.brand { display: inline-flex; flex-direction: column; gap: .32rem; flex-shrink: 0; text-decoration: none; }
.brand span { font-size: .62rem; font-weight: 700; letter-spacing: .15em; text-transform: uppercase; color: var(--muted); }
nav { display: flex; align-items: center; gap: clamp(.8rem, 3vw, 2.4rem); }
nav a, .site-footer a:last-child { display: inline-flex; align-items: center; min-height: 44px; text-decoration: none; font-weight: 600; }
nav a:hover, .site-footer a:last-child:hover { text-decoration: underline; text-underline-offset: .35em; }

.hero {
  background-color: #141119;
  background-image: linear-gradient(90deg, #101014f2 0%, #101014bb 34%, #10101415 72%), url("horizon.webp");
  background-size: cover;
  background-position: center 59%;
  border-bottom: 3px solid var(--orange);
}
.hero-inner { display: flex; flex-direction: column; justify-content: center; align-items: flex-start; min-height: clamp(31.25rem, 67svh, 47rem); padding-block: 4.5rem; }
.eyebrow { display: flex; align-items: center; gap: .65em; font-size: .78rem; line-height: 1.4; font-weight: 700; letter-spacing: .19em; text-transform: uppercase; }
.signal-dot { width: .6em; height: .6em; border-radius: 50%; background: var(--orange); box-shadow: 0 0 1rem #fd6305aa; }
h1 { margin-top: .19em; font-size: clamp(3.65rem, 9.1vw, 8.7rem); letter-spacing: -.016em; }
h1 em { color: var(--orange); font-style: normal; }
.hero-description { max-width: 30rem; margin-top: 1.45rem; color: #ebe8e8; font-size: clamp(1.03rem, 1.6vw, 1.26rem); line-height: 1.55; }
.button { display: inline-flex; justify-content: space-between; align-items: center; gap: 1.75rem; min-height: 3.25rem; padding: .65rem 1rem; border-radius: .25rem; font-weight: 700; line-height: 1.35; text-decoration: none; }
.button span { font-size: 1.2em; }
.button-primary { margin-top: 1.6rem; background: var(--orange); color: var(--ink); }
.button-primary:hover { background: #ff853e; }
.button-dark { margin-top: 1.4rem; background: var(--ink); color: var(--light); }
.button-dark:hover { background: #35353d; }

.spec-section { background: var(--charcoal); }
.spec-inner, .cord-inner { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: clamp(2rem, 7vw, 6rem); padding-block: clamp(3.25rem, 6.5vw, 6.2rem); }
.spec-intro h2, .cord-inner h2 { margin-top: .2em; }
.spec-intro > p:last-child, .cord-inner h2 + p { margin-top: 1rem; font-size: 1.1rem; line-height: 1.6; max-width: 32rem; }
.spec-intro > p:last-child, .spec-note { color: var(--muted); }
.spec-data { border-left: 1px solid #ffffff25; padding-left: clamp(1.5rem, 4.5vw, 4.25rem); }
.spec-caption { color: var(--muted); }
.targets { display: grid; grid-template-columns: 1fr 1fr; margin-top: .55rem; gap: clamp(1rem, 4vw, 3.5rem); }
.target { display: flex; flex-direction: column-reverse; align-items: flex-start; }
.target dt { font-size: .88rem; line-height: 1.5; font-weight: 700; text-transform: uppercase; letter-spacing: .12em; }
.target dd { color: var(--orange); font-family: var(--display); font-size: clamp(3.6rem, 8.2vw, 7.3rem); font-weight: 800; line-height: .97; white-space: nowrap; }
.target dd span { font: 700 clamp(.85rem, 1.6vw, 1.25rem)/1 var(--body); color: var(--light); }
.spec-note { margin-top: 1rem; font-size: .88rem; line-height: 1.45; }

.cord-section { background: var(--paper); color: var(--ink); color-scheme: light; }
.cord-inner .eyebrow { color: #913601; }
.cord-inner h2 + p { color: #3e3b3c; }
.map-note { margin-top: .8rem; color: #514b48; font-size: .88rem; line-height: 1.45; }
.questions { border-top: 1px solid #bfb7ae; }
.questions details { border-bottom: 1px solid #bfb7ae; }
.questions summary { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 3.8rem; padding-block: .75rem; cursor: pointer; font-weight: 700; list-style: none; }
.questions summary::-webkit-details-marker { display: none; }
.questions summary::after { content: "+" / ""; flex: none; font-size: 1.3rem; color: #913601; }
.questions details[open] summary::after { content: "−" / ""; }
.questions details p { max-width: 37rem; padding-bottom: 1.05rem; color: #3e3b3c; line-height: 1.55; }
.site-footer { color: var(--muted); }
.footer-inner { min-height: 7rem; }
.site-footer a:last-child { gap: .4em; font-size: .9rem; }

@media (max-width: 47.5rem) {
  .header-inner { min-height: 4.8rem; }
  .header-inner .brand img { width: clamp(6rem, 32vw, 8.6rem); }
  nav a { font-size: .82rem; }
  .hero { background-image: linear-gradient(90deg, #101014ef 0%, #1010149e 65%, #10101445 100%), url("horizon.webp"); background-position: 91% center; }
  .hero-inner { min-height: 31.25rem; padding-block: 3.5rem; }
  h1 { font-size: clamp(2.85rem, 12.2vw, 5.7rem); }
  .spec-inner, .cord-inner { grid-template-columns: 1fr; }
  .spec-data { border-left: 0; border-top: 1px solid #ffffff25; padding: 1.45rem 0 0; }
  .targets { width: min(100%, 23rem); }
}

@media (max-width: 23rem) {
  .header-inner { gap: .65rem; }
  nav { gap: .65rem; }
  nav a { font-size: .77rem; }
}

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