:root {
  color-scheme: dark;
  --ink: #f2f5ef;
  --muted: #9ca69f;
  --muted-2: #6e7871;
  --graphite-0: #090b0a;
  --graphite-1: #0d100f;
  --graphite-2: #121614;
  --graphite-3: #181d1a;
  --line: rgba(222, 235, 225, .13);
  --line-strong: rgba(222, 235, 225, .22);
  --signal: #a7ff58;
  --signal-soft: #c3ff8a;
  --warm: #e8ca8c;
  --radius: 18px;
  --shell: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 82px; }
body {
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(70rem 36rem at 86% -10%, rgba(167, 255, 88, .06), transparent 62%),
    var(--graphite-0);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
.shell { width: min(100% - 32px, var(--shell)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 100; left: 16px; top: 12px; transform: translateY(-160%); background: var(--signal); color: #0a0d0b; padding: 10px 14px; border-radius: 8px; font-weight: 800; }
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  border-bottom: 1px solid rgba(222, 235, 225, .08);
  background: rgba(9, 11, 10, .84);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}
.nav-shell { min-height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.wordmark { font-size: 27px; line-height: 1; font-weight: 900; letter-spacing: -.095em; }
.wordmark span { color: var(--signal); }
.desktop-nav { display: none; }
.nav-cta { display: inline-flex; align-items: center; gap: 8px; padding: 8px 0; color: #dbe1dc; font-size: 13px; font-weight: 700; }
.nav-cta span { color: var(--signal); }

.hero { padding: 42px 0 48px; }
.hero-grid { display: grid; gap: 36px; }
.eyebrow, .kicker, .panel-label, .device-type { margin: 0; text-transform: uppercase; letter-spacing: .16em; font-size: 10px; font-weight: 800; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; color: #cbd2cd; }
.status-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 14px rgba(167, 255, 88, .65); }
h1, h2, h3, p { text-wrap: pretty; }
h1 { margin: 19px 0 20px; font-size: clamp(48px, 15vw, 74px); line-height: .91; letter-spacing: -.073em; font-weight: 690; }
h1 span { color: #788179; }
.hero-lede { max-width: 610px; margin: 0; color: #abb4ad; font-size: clamp(17px, 4.7vw, 20px); line-height: 1.55; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 19px; margin-top: 27px; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 14px; min-height: 50px; padding: 0 18px; border-radius: 8px; font-size: 14px; font-weight: 800; }
.button-primary { background: var(--ink); color: #0b0e0c; }
.button-primary span { color: #3c473f; }
.text-link { padding: 10px 0; border-bottom: 1px solid var(--line-strong); color: #c1c9c3; font-size: 13px; font-weight: 700; }
.text-link span { margin-left: 7px; color: var(--signal); }
.stage-note { margin: 20px 0 0; color: #707a72; font-size: 11px; }
.stage-note span { margin-inline: 6px; color: #465049; }
.image-frame { position: relative; overflow: hidden; border: 1px solid var(--line); background: var(--graphite-1); }
.hero-image-frame { border-radius: 16px; box-shadow: 0 32px 90px rgba(0, 0, 0, .35); }
.hero-image-frame img { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: contain; }
.image-caption { position: absolute; inset: auto 0 0; display: flex; justify-content: space-between; gap: 20px; padding: 10px 12px; background: linear-gradient(transparent, rgba(5, 7, 6, .82)); color: rgba(244, 247, 243, .68); font-size: 9px; letter-spacing: .12em; }

.source-strip { border-block: 1px solid var(--line); padding: 19px 0; }
.source-list { display: flex; gap: 10px 22px; overflow-x: auto; scrollbar-width: none; color: #78827a; font-size: 11px; font-weight: 700; white-space: nowrap; }
.source-list::-webkit-scrollbar { display: none; }
.source-list span::before { content: ""; display: inline-block; width: 3px; height: 3px; margin: 0 9px 2px 0; border-radius: 50%; background: #4c554e; }
.source-list span:first-child::before { background: var(--signal); }
.source-list .more { color: #b6beb8; }

.section { padding: 76px 0; }
.section-heading { margin-bottom: 32px; }
.kicker { color: var(--signal-soft); }
.section-heading h2, .history-copy h2, .early-panel h2 { margin: 12px 0 15px; font-size: clamp(36px, 10.5vw, 60px); line-height: .99; letter-spacing: -.055em; font-weight: 640; }
.section-heading > div > p, .history-copy > p:last-child { max-width: 680px; margin: 0; color: var(--muted); font-size: 16px; }

.principle-grid { display: grid; border-top: 1px solid var(--line); }
.principle-card { min-height: 270px; padding: 20px 4px 27px; border-bottom: 1px solid var(--line); }
.card-index { margin: 0; color: #5f6962; font: 10px/1 ui-monospace, SFMono-Regular, Menlo, monospace; }
.line-icon { display: grid; place-items: center; width: 36px; height: 36px; margin: 42px 0 23px; border: 1px solid var(--line-strong); border-radius: 50%; color: var(--signal-soft); font-size: 11px; }
.principle-card h3 { margin: 0 0 9px; font-size: 19px; letter-spacing: -.025em; }
.principle-card > p:last-child { max-width: 390px; margin: 0; color: #89948c; font-size: 13px; }

.insight-panel { margin-top: 48px; padding: 20px; border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(145deg, #151a17, #0e1110 70%); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .025); }
.insight-topline { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding-bottom: 18px; border-bottom: 1px solid var(--line); color: #717b73; font: 9px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .08em; }
.confidence { display: inline-flex; align-items: center; gap: 7px; }
.confidence i { width: 5px; height: 5px; border-radius: 50%; background: var(--signal); }
.insight-layout { display: grid; gap: 34px; padding-top: 31px; }
.panel-label { color: #78827a; }
.recommendation h3 { margin: 12px 0 7px; font-size: clamp(31px, 9vw, 50px); line-height: 1; letter-spacing: -.05em; }
.recommendation > p:not(.panel-label) { max-width: 540px; margin: 0; color: #9da79f; font-size: 15px; }
.evidence-pill { display: inline-block; margin-top: 24px; padding: 7px 10px; border: 1px solid var(--line); border-radius: 999px; color: #89938b; font-size: 10px; }
.driver-list { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; }
.driver-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 66px; padding: 12px 14px; border: 1px solid rgba(222, 235, 225, .09); border-radius: 10px; background: rgba(255, 255, 255, .018); }
.driver-row strong, .driver-row small { display: block; }
.driver-row strong { font-size: 13px; font-weight: 650; }
.driver-row small { margin-top: 2px; color: #68726a; font-size: 10px; }
.driver-row > span { font: 11px/1 ui-monospace, SFMono-Regular, Menlo, monospace; }
.positive { color: var(--signal-soft); }
.caution { color: var(--warm); }

.history-section { background: #0b0e0c; border-block: 1px solid rgba(222, 235, 225, .06); }
.history-grid { display: grid; gap: 42px; }
.history-copy h2 { max-width: 760px; }
.source-panel { padding: 17px; border: 1px solid var(--line); border-radius: var(--radius); background: #111512; }
.source-panel-head { display: flex; justify-content: space-between; gap: 12px; padding: 4px 3px 17px; color: #7d877f; font: 9px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .08em; text-transform: uppercase; }
.source-panel-head span:last-child { color: var(--signal-soft); }
.connection-list { display: grid; gap: 7px; margin: 0; padding: 0; list-style: none; }
.connection-list li { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 62px; padding: 11px 12px; border: 1px solid rgba(222, 235, 225, .09); border-radius: 9px; background: #0e120f; }
.connection-list b, .connection-list small { display: block; }
.connection-list b { font-size: 13px; }
.connection-list small { color: #7a857c; font-size: 10px; }
.connection-list em { color: var(--signal-soft); font: normal 9px/1 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .08em; text-transform: uppercase; }

.compact-heading { margin-bottom: 30px; }
.process-grid { display: grid; margin: 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }
.process-grid li { display: grid; grid-template-columns: 42px 1fr; gap: 11px; padding: 23px 0; border-bottom: 1px solid var(--line); }
.process-grid li > span { padding-top: 3px; color: #5f6962; font: 9px/1.4 ui-monospace, SFMono-Regular, Menlo, monospace; }
.process-grid h3 { margin: 0 0 7px; font-size: 19px; letter-spacing: -.03em; }
.process-grid p { max-width: 390px; margin: 0; color: #7f8a82; font-size: 13px; }

.hardware-section { padding-bottom: 92px; }
.device-grid { display: grid; gap: 30px; }
.device-card { min-width: 0; }
.device-visual { position: relative; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: #0d100f; }
.device-visual img { width: 100%; height: auto; aspect-ratio: 1; object-fit: cover; transition: transform .7s cubic-bezier(.2,.8,.2,1); }
.device-visual > span { position: absolute; right: 13px; top: 13px; display: grid; place-items: center; width: 30px; height: 30px; border: 1px solid rgba(255,255,255,.15); border-radius: 50%; background: rgba(9, 11, 10, .55); color: #b8c0ba; font: 9px/1 ui-monospace, SFMono-Regular, Menlo, monospace; backdrop-filter: blur(8px); }
.device-copy { display: grid; gap: 7px; padding-top: 17px; }
.device-type { color: #667068; }
.device-copy h3 { margin: 4px 0 0; font-size: 24px; letter-spacing: -.04em; }
.device-copy > p { max-width: 330px; margin: 0; color: #7f8982; font-size: 12px; }

.early-section { padding: 0 0 80px; }
.early-panel { padding: 31px 20px; border: 1px solid var(--line-strong); border-radius: 22px; background: linear-gradient(125deg, #151a17, #0c100e 78%); }
.early-panel h2 { max-width: 670px; }
.early-panel > div:first-child > p:last-child { margin: 0; color: var(--muted); }
.signup-wrap { margin-top: 30px; }
.signup-form label { display: block; margin-bottom: 8px; color: #89938c; font-size: 11px; font-weight: 700; }
.input-row { display: grid; gap: 8px; }
.input-row input { width: 100%; min-width: 0; min-height: 52px; padding: 0 14px; border: 1px solid var(--line-strong); border-radius: 8px; outline: 0; background: #090c0a; color: var(--ink); }
.input-row input::placeholder { color: #59625c; }
.input-row input:focus { border-color: rgba(167, 255, 88, .68); box-shadow: 0 0 0 3px rgba(167, 255, 88, .08); }
.input-row input[aria-invalid="true"] { border-color: #d89a82; }
.input-row button { min-height: 52px; padding: 0 17px; border: 0; border-radius: 8px; background: var(--signal); color: #10140f; font-size: 13px; font-weight: 850; cursor: pointer; }
.input-row button span { margin-left: 7px; }
.form-status { min-height: 18px; margin: 10px 0 0; color: #68726b; font-size: 10px; }
.form-status.success { color: var(--signal-soft); }
.form-status.error { color: #e7ac95; }

.site-footer { padding: 32px 0 42px; border-top: 1px solid var(--line); }
.footer-grid { display: grid; gap: 22px; }
.footer-mark { width: fit-content; }
.footer-grid p { margin: 0; color: #69736c; font-size: 11px; }

@media (hover: hover) {
  .desktop-nav a:hover, .nav-cta:hover, .text-link:hover { color: var(--ink); }
  .button-primary:hover { background: var(--signal); }
  .device-card:hover .device-visual img { transform: scale(1.018); }
}

@media (min-width: 700px) {
  .shell { width: min(100% - 64px, var(--shell)); }
  .site-header { background: rgba(9, 11, 10, .76); }
  .nav-shell { min-height: 74px; }
  .desktop-nav { display: flex; align-items: center; gap: 28px; margin-left: auto; color: #909991; font-size: 12px; }
  .nav-cta { margin-left: 16px; padding: 9px 14px; border: 1px solid var(--line); border-radius: 999px; }
  .hero { padding: 72px 0 68px; }
  .hero-grid { gap: 54px; }
  h1 { font-size: clamp(70px, 11vw, 100px); }
  .source-list { justify-content: space-between; }
  .section { padding: 104px 0; }
  .principle-grid { grid-template-columns: 1fr 1fr; border-left: 1px solid var(--line); }
  .principle-card { padding: 22px; border-right: 1px solid var(--line); }
  .insight-panel { padding: 25px; }
  .insight-layout { grid-template-columns: 1.05fr .95fr; align-items: end; padding: 42px 6px 6px; }
  .history-grid { gap: 58px; }
  .connection-list { grid-template-columns: 1fr 1fr; }
  .process-grid { grid-template-columns: 1fr 1fr; border-left: 1px solid var(--line); }
  .process-grid li { min-height: 230px; display: flex; flex-direction: column; justify-content: space-between; padding: 24px; border-right: 1px solid var(--line); }
  .device-grid { grid-template-columns: 1fr 1fr; gap: 42px 16px; }
  .early-panel { padding: 48px; }
  .input-row { grid-template-columns: minmax(0, 1fr) auto; }
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; align-items: start; }
  .footer-grid p:last-child { text-align: right; }
}

@media (min-width: 1000px) {
  .hero { min-height: min(780px, calc(100vh - 74px)); display: grid; align-items: center; padding: 68px 0 76px; }
  .hero-grid { grid-template-columns: .83fr 1.17fr; align-items: center; gap: 54px; }
  h1 { font-size: clamp(72px, 7vw, 106px); }
  .hero-image-frame { margin-right: calc((100vw - min(100vw - 64px, var(--shell))) / -2); border-radius: 18px 0 0 18px; border-right: 0; }
  .section-heading.split-heading { display: grid; grid-template-columns: 1fr 3fr; gap: 28px; align-items: start; }
  .section-heading.split-heading .kicker { padding-top: 10px; }
  .section-heading.split-heading h2 { margin-top: 0; }
  .principle-grid { grid-template-columns: repeat(4, 1fr); }
  .principle-card { min-height: 330px; padding: 23px 20px 27px; }
  .line-icon { margin-top: 80px; }
  .featured-card { background: linear-gradient(180deg, rgba(167, 255, 88, .035), transparent 74%); }
  .insight-panel { margin-top: 70px; padding: 29px; }
  .history-grid { grid-template-columns: .9fr 1.1fr; align-items: end; }
  .history-copy { padding: 0 3vw 15px 0; }
  .source-panel { padding: 20px; }
  .process-grid { grid-template-columns: repeat(4, 1fr); }
  .process-grid li { min-height: 260px; }
  .device-grid { grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .device-copy { grid-template-columns: 1fr 1fr; align-items: end; gap: 16px; }
  .hardware-section { padding-bottom: 128px; }
  .early-section { padding-bottom: 104px; }
  .early-panel { display: grid; grid-template-columns: 1.05fr .95fr; align-items: end; gap: 72px; padding: 58px; }
  .early-panel h2 { margin-bottom: 13px; }
  .signup-wrap { margin-top: 0; }
}

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