:root {
  color-scheme: dark;
  --bg: #050d09;
  --panel: #0a1710;
  --panel-2: #102219;
  --line: #21422f;
  --line-bright: #3c7552;
  --text: #f1fff6;
  --muted: #96aa9c;
  --green: #3af08b;
  --lime: #b9ff68;
  --orange: #ff9e45;
  --red: #ff6b73;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background:
    radial-gradient(circle at 82% 4%, rgba(58, 240, 139, 0.14), transparent 30rem),
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    var(--bg);
  background-size: auto, 56px 56px, 56px 56px, auto;
}
a { color: inherit; }
.landing-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 12px max(22px, calc((100vw - 1240px) / 2));
  border-bottom: 1px solid rgba(76, 139, 96, 0.22);
  background: rgba(5, 13, 9, 0.86);
  backdrop-filter: blur(18px);
}
.landing-brand { display: inline-flex; align-items: center; gap: 12px; color: var(--text); text-decoration: none; font-size: 0.9rem; font-weight: 850; letter-spacing: 0.16em; }
.landing-brand img { width: 38px; height: 38px; object-fit: contain; filter: drop-shadow(0 0 9px rgba(185, 255, 104, 0.35)); }
.landing-nav nav { display: flex; align-items: center; gap: 26px; }
.landing-nav nav a { color: #bad0c1; text-decoration: none; font-size: 0.86rem; font-weight: 700; }
.landing-nav nav a:hover { color: var(--text); }
.landing-nav .nav-cta { padding: 11px 15px; color: #07140c; border-radius: 9px; background: linear-gradient(135deg, var(--green), var(--lime)); }
main, .landing-footer { width: min(1240px, calc(100% - 44px)); margin: 0 auto; }
.hero { min-height: 690px; display: grid; grid-template-columns: minmax(0, 1.03fr) minmax(410px, 0.77fr); align-items: center; gap: 76px; padding: 86px 0 46px; }
.landing-eyebrow { margin: 0 0 14px; color: var(--green); font-size: 0.75rem; font-weight: 850; letter-spacing: 0.18em; }
.hero h1 { margin: 0 0 26px; font-size: clamp(4rem, 8vw, 7.7rem); line-height: 0.82; letter-spacing: -0.075em; }
.hero h1 em { color: var(--lime); font-style: normal; }
.hero-lede { max-width: 690px; margin: 0 0 30px; color: #abc1b2; font-size: clamp(1.05rem, 1.7vw, 1.3rem); line-height: 1.65; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 22px; }
.primary-cta { min-height: 50px; display: inline-flex; align-items: center; justify-content: center; gap: 16px; padding: 0 20px; border-radius: 10px; color: #06120b; background: linear-gradient(135deg, var(--green), var(--lime)); text-decoration: none; font-size: 0.92rem; font-weight: 850; box-shadow: 0 13px 36px rgba(58, 240, 139, 0.17); }
.primary-cta:hover { filter: brightness(1.08); transform: translateY(-1px); }
.text-cta { color: #d9eee0; font-size: 0.92rem; font-weight: 750; text-underline-offset: 4px; }
.independent-note { margin: 20px 0 0; color: #708478; font-size: 0.78rem; }
.price-note { margin: 14px 0 0; color: #8da294; font-size: 0.8rem; font-weight: 700; }
.signal-demo { position: relative; display: grid; place-items: center; min-height: 500px; }
.demo-orbit { position: absolute; width: 420px; height: 420px; border: 1px solid rgba(58, 240, 139, 0.15); border-radius: 50%; box-shadow: 0 0 90px rgba(58, 240, 139, 0.08), inset 0 0 70px rgba(58, 240, 139, 0.04); }
.demo-card { position: relative; width: min(100%, 440px); padding: 24px; border: 1px solid rgba(255, 158, 69, 0.8); border-radius: 18px; background: linear-gradient(155deg, rgba(15, 33, 23, 0.97), rgba(7, 18, 11, 0.97)); box-shadow: 0 0 0 1px rgba(255, 158, 69, 0.18), 0 0 40px rgba(255, 122, 37, 0.19), 0 28px 80px rgba(0, 0, 0, 0.48); transform: rotate(1.5deg); }
.demo-head { display: flex; align-items: start; justify-content: space-between; gap: 18px; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.demo-head div > span { display: block; margin-bottom: 8px; color: var(--green); font-size: 0.68rem; font-weight: 850; letter-spacing: 0.17em; }
.demo-head strong { display: block; font-size: 1.65rem; letter-spacing: -0.045em; }
.demo-head strong i { color: var(--lime); font-style: normal; }
.demo-head > b { padding: 7px 9px; border: 1px solid rgba(255, 158, 69, 0.55); border-radius: 999px; color: #ffc689; background: rgba(255, 158, 69, 0.08); font-size: 0.67rem; letter-spacing: 0.08em; }
.demo-score { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 12px; padding: 20px 0 14px; color: var(--muted); font-size: 0.76rem; }
.demo-score > div { height: 7px; border-radius: 99px; background: #183426; overflow: hidden; }
.demo-score > div i { display: block; width: 82%; height: 100%; background: linear-gradient(90deg, var(--green), var(--lime)); }
.demo-score > strong { color: var(--text); font-size: 1.1rem; }
.demo-card ul { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
.demo-card li { display: flex; align-items: center; gap: 12px; padding: 11px 12px; border: 1px solid rgba(61, 113, 79, 0.42); border-radius: 10px; background: rgba(255, 255, 255, 0.018); }
.demo-card li > span { width: 28px; height: 28px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 50%; color: #07140c; background: var(--green); font-size: 0.78rem; font-weight: 900; }
.demo-card li:nth-child(3) > span { background: var(--orange); }
.demo-card li strong, .demo-card li small { display: block; }
.demo-card li strong { margin-bottom: 2px; font-size: 0.83rem; }
.demo-card li small { color: var(--muted); font-size: 0.7rem; line-height: 1.35; }
.demo-card > p { margin: 16px 0 0; color: #6f8276; font-size: 0.7rem; text-align: center; }
.runner-proof { display: grid; grid-template-columns: minmax(250px, 0.65fr) minmax(0, 1.35fr); align-items: center; gap: 46px; padding: 38px; border: 1px solid var(--line); border-radius: 22px; background: linear-gradient(135deg, rgba(11, 27, 18, 0.96), rgba(5, 14, 9, 0.96)); box-shadow: 0 24px 70px rgba(0, 0, 0, 0.24); }
.runner-proof-copy h2 { margin: 0 0 16px; font-size: clamp(2rem, 3.5vw, 3.7rem); line-height: 0.98; letter-spacing: -0.055em; }
.runner-proof-copy > p:not(.landing-eyebrow) { margin: 0 0 22px; color: var(--muted); font-size: 0.98rem; line-height: 1.65; }
.runner-proof-copy .text-cta { display: inline-block; margin-bottom: 22px; }
.runner-proof-copy small { display: block; color: #64766b; font-size: 0.7rem; line-height: 1.5; }
.runner-gallery { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: start; gap: 16px; }
.runner-result { position: relative; margin: 0; overflow: hidden; border: 1px solid rgba(58, 240, 139, 0.24); border-radius: 16px; background: #050811; box-shadow: 0 18px 38px rgba(0, 0, 0, 0.34); }
.runner-image { aspect-ratio: 1.13 / 1; overflow: hidden; }
.runner-image img { width: 100%; height: 100%; display: block; object-fit: cover; }
.how { padding: 108px 0 110px; }
.section-intro { max-width: 700px; margin-bottom: 44px; }
.section-intro h2, .use-copy h2, .closing-cta h2 { margin: 0 0 14px; font-size: clamp(2.4rem, 5vw, 4.8rem); line-height: 0.98; letter-spacing: -0.055em; }
.section-intro > p:last-child, .use-copy > p { color: var(--muted); font-size: 1.03rem; line-height: 1.65; }
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.steps article { min-width: 0; padding: 20px; border: 1px solid var(--line); border-radius: 18px; background: linear-gradient(155deg, rgba(14, 31, 21, 0.92), rgba(7, 17, 11, 0.96)); box-shadow: 0 18px 50px rgba(0, 0, 0, 0.18); }
.step-label { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.step-label span { color: var(--green); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.78rem; }
.step-label b { color: #688073; font-size: 0.65rem; letter-spacing: 0.14em; }
.step-image { position: relative; height: 238px; margin: 0 0 23px; overflow: hidden; border: 1px solid rgba(61, 113, 79, 0.55); border-radius: 13px; background: #030b07; }
.step-image::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(180deg, transparent 50%, rgba(2, 8, 5, 0.72)); }
.step-image img { width: 100%; height: 100%; display: block; object-fit: cover; transition: transform 300ms ease; }
.steps article:hover .step-image img { transform: scale(1.025); }
.step-image figcaption { position: absolute; z-index: 1; right: 11px; bottom: 11px; left: 11px; display: flex; align-items: center; justify-content: center; gap: 7px; min-height: 34px; padding: 8px 10px; border: 1px solid rgba(58, 240, 139, 0.3); border-radius: 8px; color: #c5ffd6; background: rgba(5, 17, 10, 0.84); backdrop-filter: blur(9px); font-size: 0.61rem; font-weight: 900; letter-spacing: 0.08em; }
.step-image figcaption > span { width: 18px; height: 18px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 50%; color: #06120b; background: var(--green); font-size: 0.66rem; }
.sell-image { border-color: rgba(255, 107, 115, 0.45); }
.sell-image figcaption { border-color: rgba(255, 107, 115, 0.42); color: #ffd0d3; background: rgba(40, 7, 10, 0.84); }
.sell-image figcaption > span { background: var(--red); }
.velocity-image { border-color: rgba(255, 158, 69, 0.5); }
.velocity-image figcaption { border-color: rgba(255, 158, 69, 0.42); color: #ffd09c; background: rgba(35, 18, 3, 0.84); }
.velocity-image figcaption > span { width: 8px; height: 8px; background: var(--orange); box-shadow: 0 0 0 4px rgba(255, 158, 69, 0.1), 0 0 14px rgba(255, 158, 69, 0.75); }
.steps h3 { margin: 0 0 12px; font-size: 1.18rem; }
.steps p { margin: 0; color: var(--muted); font-size: 0.9rem; line-height: 1.65; }
.use-section { display: grid; grid-template-columns: minmax(0, 1fr) minmax(380px, 0.78fr); align-items: center; gap: 88px; padding: 86px; border: 1px solid var(--line); border-radius: 22px; background: linear-gradient(135deg, rgba(13, 30, 20, 0.96), rgba(7, 17, 11, 0.96)); }
.use-copy ol { display: grid; gap: 13px; margin: 28px 0 32px; padding: 0; list-style: none; counter-reset: use-step; }
.use-copy li { counter-increment: use-step; display: flex; align-items: flex-start; gap: 12px; color: #bad0c1; font-size: 0.92rem; line-height: 1.5; }
.use-copy li::before { content: counter(use-step); width: 24px; height: 24px; display: grid; place-items: center; flex: 0 0 auto; border: 1px solid var(--line-bright); border-radius: 50%; color: var(--green); font-size: 0.68rem; font-weight: 850; }
.use-copy li > span { display: block; padding-top: 1px; }
.use-copy li b { margin-right: 0.2em; color: #dff7e6; }
.checks-panel { padding: 22px; border: 1px solid var(--line); border-radius: 14px; background: rgba(5, 14, 9, 0.78); box-shadow: 0 24px 60px rgba(0, 0, 0, 0.25); }
.checks-panel > p { margin: 0 0 12px; color: var(--green); font-size: 0.68rem; font-weight: 850; letter-spacing: 0.16em; }
.signal-checklist { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; }
.signal-checklist li { display: flex; align-items: center; gap: 12px; padding: 15px 0; border-bottom: 1px solid rgba(48, 91, 63, 0.52); }
.signal-checklist li:last-child { border-bottom: 0; }
.signal-checklist span { width: 25px; height: 25px; display: grid; place-items: center; flex: 0 0 auto; border: 1px solid rgba(58, 240, 139, 0.35); border-radius: 50%; color: #07140c; background: var(--green); font-size: 0.72rem; font-weight: 900; box-shadow: 0 0 14px rgba(58, 240, 139, 0.09); }
.signal-checklist strong { color: #dff7e6; font-size: 0.84rem; line-height: 1.35; }
.closing-cta { padding: 130px 0 118px; text-align: center; }
.closing-cta h2 { max-width: 820px; margin: 0 auto 32px; }
.closing-note { margin: 18px 0 0; color: #718379; font-size: 0.78rem; }
.landing-footer { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 34px; padding: 28px 0 40px; border-top: 1px solid var(--line); }
.landing-footer .landing-brand img { width: 30px; height: 30px; }
.landing-footer p { margin: 0; color: #6f8276; font-size: 0.73rem; line-height: 1.5; text-align: center; }
.landing-footer > a:last-child { color: var(--green); font-size: 0.8rem; font-weight: 800; text-decoration: none; }

@media (max-width: 900px) {
  .landing-nav nav > a:not(.nav-cta) { display: none; }
  .hero { min-height: auto; grid-template-columns: 1fr; gap: 36px; padding: 72px 0 58px; }
  .hero h1 { font-size: clamp(4rem, 16vw, 6rem); }
  .signal-demo { min-height: 460px; }
  .runner-proof { grid-template-columns: 1fr; gap: 32px; padding: 34px; }
  .runner-proof-copy { max-width: 650px; }
  .steps { grid-template-columns: 1fr; }
  .steps article { padding: 20px; }
  .step-image { height: 300px; }
  .use-section { grid-template-columns: 1fr; gap: 44px; padding: 50px 34px; }
  .landing-footer { grid-template-columns: 1fr; justify-items: center; }
}

@media (max-width: 560px) {
  .landing-nav { min-height: 64px; padding: 10px 18px; }
  .landing-brand { font-size: 0.78rem; }
  .landing-brand img { width: 32px; height: 32px; }
  .landing-nav .nav-cta { padding: 10px 12px; font-size: 0.77rem; }
  main, .landing-footer { width: min(100% - 30px, 1240px); }
  .hero { padding-top: 58px; }
  .hero h1 { font-size: clamp(3.55rem, 19vw, 5rem); }
  .hero-lede { font-size: 1rem; }
  .signal-demo { min-height: 410px; }
  .demo-orbit { width: 310px; height: 310px; }
  .demo-card { padding: 18px; transform: none; }
  .demo-head strong { font-size: 1.35rem; }
  .demo-head > b { font-size: 0.58rem; }
  .runner-proof { padding: 24px 18px; border-radius: 16px; }
  .runner-gallery { gap: 10px; }
  .runner-result { border-radius: 12px; }
  .how { padding: 92px 0 82px; }
  .step-image { height: 235px; }
  .section-intro h2, .use-copy h2, .closing-cta h2 { font-size: 2.45rem; }
  .use-section { margin-inline: -2px; padding: 38px 22px; border-radius: 16px; }
  .closing-cta { padding: 96px 0 86px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .primary-cta:hover { transform: none; }
}