:root {
  color-scheme: dark;
  --bg: #04090c;
  --panel: #081117;
  --line: #1b3440;
  --ink: #e8edef;
  --muted: #82959e;
  --cyan: #56c6e7;
  --green: #12d49a;
  --display: "Iowan Old Style", Baskerville, serif;
  --ui: "Avenir Next Condensed", "Helvetica Neue", sans-serif;
  --mono: "SFMono-Regular", Menlo, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  background: radial-gradient(circle at 76% 5%, rgba(63, 146, 193, 0.15), transparent 34rem), var(--bg);
  color: var(--ink);
  font-family: var(--ui);
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: linear-gradient(rgba(86, 198, 231, 0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(86, 198, 231, 0.03) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(#000, transparent 88%);
}
.ambient-field { position: fixed; inset: 0; z-index: -1; pointer-events: none; overflow: hidden; }
.ambient-field i { position: absolute; width: 3px; height: 3px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 10px var(--cyan); opacity: 0.22; animation: star-drift 16s ease-in-out infinite alternate; }
.ambient-field i:nth-child(1) { left: 8%; top: 18%; }
.ambient-field i:nth-child(2) { left: 38%; top: 72%; animation-delay: -4s; }
.ambient-field i:nth-child(3) { left: 73%; top: 22%; animation-delay: -8s; }
.ambient-field i:nth-child(4) { left: 91%; top: 62%; animation-delay: -11s; }
.ambient-field i:nth-child(5) { left: 58%; top: 46%; animation-delay: -6s; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
.skip-link { position: fixed; left: 1rem; top: -4rem; z-index: 20; padding: 0.75rem; background: var(--cyan); color: #001018; }
.skip-link:focus { top: 1rem; }

.site-header {
  position: sticky;
  top: 12px;
  z-index: 10;
  width: min(calc(100% - 32px), 1440px);
  height: 72px;
  margin: 16px auto 0;
  padding: 0 14px 0 10px;
  border: 1px solid var(--line);
  background: rgba(4, 9, 12, 0.88);
  backdrop-filter: blur(18px);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
}
.brand { display: flex; align-items: center; gap: 11px; }
.brand img { border-radius: 10px; }
.brand span { display: grid; gap: 3px; }
.brand strong { font: 600 16px/1 var(--mono); letter-spacing: 0.12em; }
.brand small, .site-header nav a, .header-cta { font: 600 9px/1 var(--mono); letter-spacing: 0.12em; }
.brand small { color: var(--muted); }
.site-header nav { display: flex; justify-content: center; gap: 42px; }
.site-header nav a { color: var(--muted); text-transform: uppercase; }
.site-header nav a:hover { color: var(--cyan); }
.header-cta { padding: 13px 17px; border: 1px solid #28718a; color: var(--cyan); text-transform: uppercase; }

.hero {
  width: min(calc(100% - 40px), 1500px);
  margin: auto;
  padding: 105px 34px 84px;
  display: grid;
  grid-template-columns: minmax(410px, 0.72fr) minmax(620px, 1.28fr);
  gap: 68px;
  align-items: center;
}
.eyebrow { margin: 0; color: var(--cyan); font: 650 11px/1.4 var(--mono); letter-spacing: 0.14em; }
.eyebrow i { display: inline-block; width: 7px; height: 7px; margin-right: 9px; border-radius: 50%; background: var(--green); box-shadow: 0 0 13px var(--green); }
h1, h2 { font-family: var(--display); font-weight: 400; letter-spacing: -0.045em; }
h1 { margin: 28px 0 24px; font-size: clamp(56px, 5.5vw, 88px); line-height: 0.92; }
h1 em, h2 em { color: var(--cyan); font-style: italic; }
.lede { max-width: 650px; margin: 0; color: #aebbc0; font-size: 20px; line-height: 1.55; }
.hero-actions { display: flex; gap: 12px; margin-top: 34px; }
.button { min-height: 60px; padding: 13px 20px; border: 1px solid #31505d; display: inline-flex; align-items: center; justify-content: center; gap: 16px; font: 600 11px/1 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; transition: transform 160ms ease, border-color 160ms ease; }
.button:hover { transform: translateY(-2px); border-color: var(--cyan); }
.button small { color: rgba(255, 255, 255, 0.62); font-size: 9px; }
.primary { background: linear-gradient(110deg, #176178, #2383a0); border-color: #50b9d8; }
.quiet { color: var(--muted); }
.trust { margin-top: 34px; padding-top: 19px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 16px 26px; color: var(--muted); font: 10px/1.4 var(--mono); }
.trust b { color: var(--ink); }
.hero-shot { margin: 0; transform: perspective(1600px) rotateY(-2.5deg); }
.hero-shot { width: min(100%, 690px); justify-self: end; }
.hero-shot { position: relative; overflow: visible; }
.hero-shot img { border: 1px solid #315363; box-shadow: 0 34px 100px rgba(0, 0, 0, 0.52); }
.hero-art img { animation: hero-breathe 9s ease-in-out infinite alternate; }
.hero-art::before { content: ""; position: absolute; inset: -1px; z-index: 1; pointer-events: none; background: linear-gradient(115deg, transparent 20%, rgba(90, 210, 242, 0.16) 46%, transparent 72%); transform: translateX(-120%); animation: signal-sweep 8s ease-in-out infinite; }
.signal { position: absolute; z-index: 2; width: 7px; height: 7px; border-radius: 50%; background: #eaffff; box-shadow: 0 0 17px 4px var(--cyan); animation: signal-pulse 2.8s ease-in-out infinite; }
.signal-a { left: 61%; top: 36%; }
.signal-b { left: 78%; top: 58%; animation-delay: -1.4s; }
.hero-shot figcaption { margin-top: 12px; color: var(--muted); text-align: right; font: 9px var(--mono); letter-spacing: 0.12em; }

.system-strip { width: min(calc(100% - 40px), 1440px); margin: auto; padding: 22px 30px; border: 1px solid var(--line); display: grid; grid-template-columns: repeat(4, 1fr); color: var(--muted); font: 10px var(--mono); letter-spacing: 0.07em; }
.system-strip span { text-align: center; border-right: 1px solid var(--line); }
.system-strip span:last-child { border-right: 0; }
.system-strip b { color: var(--cyan); margin-right: 7px; }

.section, .system-strip { opacity: 0.72; transform: translateY(18px); transition: opacity 700ms ease, transform 700ms ease; }
.section.is-visible, .system-strip.is-visible { opacity: 1; transform: none; }

.section { width: min(calc(100% - 40px), 1440px); margin: auto; padding: 130px 34px; border-top: 1px solid var(--line); }
.section-heading { display: grid; grid-template-columns: 1fr 1.1fr; gap: 50px; align-items: end; }
.section-heading .eyebrow { grid-column: 1 / -1; }
.section h2 { margin: 0; font-size: clamp(46px, 5.2vw, 78px); line-height: 0.98; }
.section-heading > p:last-child, .control-copy > p, .principle-grid p { margin: 0; color: #aebbc0; font-size: 19px; line-height: 1.65; }
.feature-grid { margin-top: 74px; display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); }
.feature-grid article { min-height: 270px; padding: 30px; border-right: 1px solid var(--line); background: rgba(8, 17, 23, 0.7); }
.feature-grid article:nth-child(3n) { border-right: 0; }
.feature-grid article:nth-child(-n+3) { border-bottom: 1px solid var(--line); }
.feature-grid article > span { color: var(--cyan); font: 10px var(--mono); }
.feature-grid h3 { margin: 64px 0 14px; font: 500 28px var(--display); }
.feature-grid p { margin: 0; color: var(--muted); font-size: 16px; line-height: 1.55; }

.product-frame { margin: 72px 0 0; padding: 14px; border: 1px solid var(--line); background: rgba(8, 17, 23, 0.76); box-shadow: 0 42px 130px rgba(0, 0, 0, 0.44); }
.product-frame img { border: 1px solid #254552; }
.product-frame figcaption { padding: 14px 4px 2px; display: flex; justify-content: space-between; gap: 24px; color: var(--muted); font: 9px var(--mono); letter-spacing: 0.1em; }
.product-frame figcaption span:first-child { color: var(--cyan); }

.elastic-story { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 64px; align-items: center; }
.elastic-copy h2 { margin: 26px 0 28px; font-size: clamp(42px, 4.6vw, 70px); }
.elastic-copy > p:last-of-type { color: #aebbc0; font-size: 18px; line-height: 1.65; }
.elastic-art { position: relative; margin: 0; overflow: hidden; border: 1px solid #315363; box-shadow: 0 34px 100px rgba(0, 0, 0, 0.42); }
.elastic-art::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, transparent 15%, rgba(77, 206, 238, 0.1) 50%, transparent 82%); transform: translateX(-120%); animation: signal-sweep 6s linear infinite; }
.elastic-art img { transform: scale(1.025); transition: transform 1.2s ease; }
.elastic-story.is-visible .elastic-art img { transform: scale(1); }
.flow-line { margin-top: 36px; display: grid; grid-template-columns: auto 1fr auto 1fr auto 1fr auto; align-items: center; gap: 10px; color: var(--cyan); font: 9px var(--mono); letter-spacing: 0.08em; }
.flow-line i { height: 1px; background: linear-gradient(90deg, #1c4352, var(--cyan), #1c4352); background-size: 200% 100%; animation: route-flow 2s linear infinite; }

.orbit { position: relative; margin-top: 76px; padding: 32px; border: 1px solid var(--line); display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); overflow: hidden; }
.orbit::before { content: ""; position: absolute; width: 520px; height: 520px; left: 50%; top: 50%; transform: translate(-50%, -50%); border: 1px solid rgba(86, 198, 231, 0.22); border-radius: 50%; box-shadow: 0 0 120px rgba(25, 126, 158, 0.12) inset; pointer-events: none; }
.orbit article, .orbit-core { min-height: 180px; padding: 28px; background: #071016; display: flex; flex-direction: column; justify-content: flex-end; position: relative; z-index: 1; }
.orbit article b { color: var(--cyan); font: 650 11px var(--mono); letter-spacing: 0.1em; }
.orbit article span { margin: 13px 0 8px; font: 500 23px/1.15 var(--display); }
.orbit article small { color: var(--muted); font: 10px/1.45 var(--mono); }
.orbit-core { grid-column: 2; grid-row: 1 / span 2; justify-content: center; align-items: center; text-align: center; background: radial-gradient(circle, rgba(26, 127, 158, 0.28), #071016 68%); }
.orbit-core img { width: 76px; border-radius: 18px; margin-bottom: 20px; box-shadow: 0 0 42px rgba(86, 198, 231, 0.26); }
.orbit-core b { font: 650 20px var(--mono); letter-spacing: 0.16em; }
.orbit-core small { margin-top: 8px; color: var(--muted); font: 9px var(--mono); letter-spacing: 0.1em; }
.orbit article:nth-of-type(1) { grid-column: 1; grid-row: 1; }
.orbit article:nth-of-type(2) { grid-column: 3; grid-row: 1; }
.orbit article:nth-of-type(3) { grid-column: 1; grid-row: 2; }
.orbit article:nth-of-type(4) { grid-column: 3; grid-row: 2; }
.orbit article:nth-of-type(5) { grid-column: 1; grid-row: 3; }
.orbit article:nth-of-type(6) { grid-column: 3; grid-row: 3; }
.orbit-core { grid-row: 1 / span 3; }
.orbit-core img { animation: core-pulse 4s ease-in-out infinite; }
.connection-art { position: relative; margin: 26px 0 0; max-height: 520px; overflow: hidden; border: 1px solid var(--line); }
.connection-art img { width: 100%; height: 100%; object-fit: cover; opacity: 0.82; transform: scale(1.04); transition: opacity 900ms ease, transform 1.4s ease; }
.connections.is-visible .connection-art img { opacity: 1; transform: scale(1); }

.control { display: grid; grid-template-columns: 1fr 1fr; gap: 75px; align-items: center; }
.control-shot { width: min(100%, 680px); margin: 0; justify-self: center; }
.control-shot img { border: 1px solid #315363; box-shadow: 0 34px 100px rgba(0, 0, 0, 0.45); }
.control-copy h2 { margin: 25px 0 28px; }
.control-copy ul { margin: 38px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.control-copy li { padding: 18px 0; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; gap: 24px; }
.control-copy li b { color: var(--ink); font: 600 12px var(--mono); }
.control-copy li span { color: var(--muted); text-align: right; font: 11px var(--mono); }

.principle-grid { margin-top: 34px; display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 80px; align-items: end; }
.principle-grid h2 { max-width: 850px; }
.principle-grid p + p { margin-top: 24px; }

.download { display: grid; grid-template-columns: 1fr 0.85fr; gap: 80px; align-items: center; }
.download h2 { margin-top: 26px; }
.download-card { padding: 34px; border: 1px solid #315363; background: var(--panel); }
.download-card dl { margin: 0 0 28px; }
.download-card dl div { padding: 15px 0; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; gap: 25px; }
.download-card dt { color: var(--muted); font: 10px var(--mono); text-transform: uppercase; }
.download-card dd { margin: 0; color: var(--ink); text-align: right; font: 11px var(--mono); }
.wide { width: 100%; }
.install-note { margin: 20px 0; color: var(--muted); font-size: 14px; line-height: 1.55; }
.install-note b { color: var(--ink); }
.release-link { color: var(--cyan); font: 10px var(--mono); letter-spacing: 0.04em; }

footer { width: min(calc(100% - 40px), 1440px); margin: auto; padding: 34px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; color: var(--muted); }
footer p { margin: 0; font: 10px var(--mono); }

@keyframes star-drift { from { transform: translate3d(-8px, 10px, 0); opacity: 0.12; } to { transform: translate3d(14px, -16px, 0); opacity: 0.42; } }
@keyframes hero-breathe { from { filter: brightness(0.92) saturate(0.9); transform: scale(1); } to { filter: brightness(1.08) saturate(1.08); transform: scale(1.012); } }
@keyframes signal-sweep { 0%, 15% { transform: translateX(-120%); opacity: 0; } 45%, 62% { opacity: 1; } 85%, 100% { transform: translateX(120%); opacity: 0; } }
@keyframes signal-pulse { 0%, 100% { transform: scale(0.62); opacity: 0.3; } 50% { transform: scale(1.25); opacity: 1; } }
@keyframes route-flow { to { background-position: -200% 0; } }
@keyframes core-pulse { 0%, 100% { box-shadow: 0 0 30px rgba(86, 198, 231, 0.16); } 50% { box-shadow: 0 0 58px rgba(86, 198, 231, 0.38); } }

@media (max-width: 1050px) {
  .hero { grid-template-columns: 1fr; padding-top: 76px; gap: 58px; }
  .hero-copy { max-width: 760px; }
  .hero-shot { width: min(100%, 820px); justify-self: center; transform: none; }
  .control { grid-template-columns: 1fr; }
  .control-shot { order: 2; }
  .elastic-story { grid-template-columns: 1fr; }
}

@media (max-width: 820px) {
  .site-header nav { display: none; }
  .system-strip { grid-template-columns: 1fr 1fr; gap: 18px 0; }
  .system-strip span:nth-child(2) { border-right: 0; }
  .section-heading, .principle-grid, .download { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-grid article { border-right: 0; border-bottom: 1px solid var(--line); }
  .feature-grid article:last-child { border-bottom: 0; }
  .orbit { grid-template-columns: 1fr 1fr; }
  .orbit-core { grid-column: 1 / -1; grid-row: auto; min-height: 250px; }
  .orbit article:nth-of-type(n) { grid-column: auto; grid-row: auto; }
  .section, .download { padding-top: 96px; padding-bottom: 96px; }
}

@media (max-width: 620px) {
  .site-header { width: calc(100% - 20px); margin-top: 10px; grid-template-columns: 1fr auto; }
  .brand small { display: none; }
  .hero { width: calc(100% - 24px); padding: 64px 4px 70px; }
  h1 { font-size: 54px; }
  .lede { font-size: 18px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .button { width: 100%; }
  .trust { display: grid; }
  .hero-shot img { min-height: 320px; object-fit: cover; object-position: center; }
  .system-strip { width: calc(100% - 24px); padding: 20px 12px; }
  .system-strip span { font-size: 8px; }
  .section { width: calc(100% - 24px); padding-left: 4px; padding-right: 4px; }
  .section h2 { font-size: 49px; }
  .feature-grid article { min-height: 230px; }
  .orbit { grid-template-columns: 1fr; padding: 1px; }
  .orbit-core, .orbit article:nth-of-type(n) { grid-column: 1; }
  .principle-grid, .download { gap: 42px; }
  .product-frame { margin-top: 48px; padding: 7px; }
  .product-frame figcaption { display: grid; }
  .control-copy li { display: grid; }
  .control-copy li span { text-align: left; }
  .download-card { padding: 24px; }
  footer { width: calc(100% - 24px); padding: 28px 4px; display: grid; gap: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
  .ambient-field i, .hero-art img, .hero-art::before, .signal, .elastic-art::after, .flow-line i, .orbit-core img { animation: none; }
  .section, .system-strip, .elastic-art img, .connection-art img { opacity: 1; transform: none; transition: none; }
}
