:root {
  color-scheme: dark;
  --bg: #101513;
  --surface: #171e1b;
  --surface-raised: #1c2521;
  --text: #f4f4ec;
  --muted: #a5aea7;
  --line: rgba(227, 239, 227, 0.13);
  --accent: #c6f36b;
  --accent-deep: #8cb933;
  --max-width: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }

.site-header { border-bottom: 1px solid var(--line); }
.nav, .footer {
  width: min(var(--max-width), calc(100% - 64px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav { min-height: 80px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 1rem; font-weight: 750; letter-spacing: -.035em; }
.brand-accent { color: var(--accent); }
.brand-mark { width: 27px; height: 27px; display: inline-flex; align-items: center; justify-content: center; gap: 2px; border: 1px solid rgba(198, 243, 107, .5); border-radius: 9px; transform: rotate(-8deg); }
.brand-mark i { width: 3px; border-radius: 5px; background: var(--accent); display: block; }
.brand-mark i:nth-child(1) { height: 8px; opacity: .65; }
.brand-mark i:nth-child(2) { height: 14px; }
.brand-mark i:nth-child(3) { height: 10px; opacity: .8; }
.nav-links { display: flex; align-items: center; gap: 34px; color: var(--muted); font-size: .86rem; }
.nav-links > a:not(.nav-cta):hover { color: var(--text); }
.nav-cta { color: var(--text); padding: 10px 15px; border: 1px solid var(--line); border-radius: 7px; }
.nav-cta span { color: var(--accent); margin-left: 8px; }

.hero {
  width: min(var(--max-width), calc(100% - 64px));
  min-height: 575px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  align-items: center;
  position: relative;
  padding: 50px 0 72px;
  border-bottom: 1px solid var(--line);
}
.hero-copy { max-width: 630px; position: relative; z-index: 1; }
.eyebrow { color: var(--accent); text-transform: uppercase; letter-spacing: .16em; font-size: .69rem; font-weight: 700; margin: 0 0 20px; }
.pulse { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); margin: 0 8px 1px 0; box-shadow: 0 0 14px rgba(198, 243, 107, .65); }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(3.2rem, 6.4vw, 5.8rem); line-height: .99; letter-spacing: -.07em; font-weight: 630; max-width: 700px; margin-bottom: 26px; }
h1 span { color: var(--accent); }
.hero-text { color: var(--muted); font-size: 1.02rem; line-height: 1.75; max-width: 510px; margin-bottom: 31px; }
.button { display: inline-flex; align-items: center; gap: 23px; color: #13190c; font-size: .88rem; font-weight: 700; background: var(--accent); border-radius: 6px; padding: 13px 17px; transition: transform .18s ease, background .18s ease; }
.button:hover { background: #d5ff84; transform: translateY(-2px); }
.button span { font-size: 1rem; }
.hero-art { min-height: 390px; position: relative; display: grid; place-items: center; }
.hero-art::before { content: ""; position: absolute; width: 330px; height: 330px; border-radius: 50%; background: radial-gradient(circle, rgba(168, 212, 80, .16), rgba(168, 212, 80, 0) 68%); }
.orbit { position: absolute; border: 1px solid rgba(198, 243, 107, .2); border-radius: 50%; transform: rotate(-28deg); }
.orbit-one { width: 330px; height: 142px; }
.orbit-two { width: 370px; height: 190px; transform: rotate(42deg); border-color: rgba(198, 243, 107, .12); }
.core { width: 126px; height: 126px; border: 1px solid rgba(198, 243, 107, .58); border-radius: 34px; background: linear-gradient(145deg, #243020, #141a16); display: flex; flex-direction: column; align-items: center; justify-content: center; box-shadow: 0 0 55px rgba(198, 243, 107, .11), inset 0 0 25px rgba(198, 243, 107, .06); transform: rotate(-8deg); font-size: 1.05rem; letter-spacing: -.04em; }
.core strong { color: var(--accent); font-size: 1.23rem; }
.node { position: absolute; border: 1px solid var(--line); background: rgba(23, 30, 27, .92); color: #d9dfd6; border-radius: 6px; padding: 8px 12px; font-size: .72rem; box-shadow: 0 10px 30px rgba(0,0,0,.18); }
.node-one { top: 59px; left: 20%; }
.node-two { bottom: 66px; left: 14%; }
.node-three { right: 5%; top: 46%; color: var(--accent); }
.hero-caption { position: absolute; bottom: 22px; left: 0; font-size: .72rem; color: #7d8880; letter-spacing: .03em; }
.hero-caption span { color: var(--accent); margin-right: 12px; }

.section { width: min(var(--max-width), calc(100% - 64px)); margin: 0 auto; }
.platform { padding-top: 103px; padding-bottom: 107px; }
.section-heading { max-width: 630px; margin-bottom: 48px; }
.section-heading h2, .workflow h2, .closing h2 { font-size: clamp(2.1rem, 3.8vw, 3.45rem); line-height: 1.08; letter-spacing: -.055em; font-weight: 580; margin-bottom: 16px; }
.section-heading > p:last-child, .workflow-copy > p:last-child { color: var(--muted); max-width: 540px; margin-bottom: 0; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.feature-card { position: relative; min-height: 245px; padding: 27px 26px; border: 1px solid var(--line); border-radius: 9px; background: linear-gradient(145deg, rgba(28, 37, 33, .83), rgba(21, 27, 24, .78)); }
.feature-number { position: absolute; top: 27px; right: 27px; color: #7f8a80; font-size: .68rem; letter-spacing: .08em; }
.feature-icon { height: 41px; width: 41px; color: var(--accent); margin-bottom: 24px; position: relative; }
.icon-target { border: 1px solid rgba(198, 243, 107, .5); border-radius: 50%; display: grid; place-items: center; }
.icon-target::before, .icon-target::after, .icon-target span { content: ""; display: block; position: absolute; border: 1px solid rgba(198, 243, 107, .56); border-radius: 50%; }
.icon-target::before { width: 25px; height: 25px; }.icon-target::after { width: 11px; height: 11px; }.icon-target span { width: 4px; height: 4px; background: var(--accent); }
.icon-molecule span { position: absolute; width: 10px; height: 10px; border: 1px solid var(--accent); background: var(--surface); border-radius: 50%; }
.icon-molecule span:nth-child(1) { left: 2px; top: 16px; }.icon-molecule span:nth-child(2) { right: 3px; top: 4px; }.icon-molecule span:nth-child(3) { right: 5px; bottom: 1px; }
.icon-molecule::before, .icon-molecule::after { content: ""; position: absolute; width: 20px; height: 1px; background: var(--accent-deep); transform-origin: left; left: 11px; top: 17px; transform: rotate(-31deg); }.icon-molecule::after { top: 23px; transform: rotate(31deg); }
.icon-agents span { position: absolute; width: 15px; height: 15px; border: 1px solid var(--accent); border-radius: 5px; background: var(--surface); }.icon-agents span:nth-child(1) { left: 13px; top: 1px; }.icon-agents span:nth-child(2) { left: 1px; bottom: 2px; }.icon-agents span:nth-child(3) { right: 1px; bottom: 2px; }
.icon-agents::before, .icon-agents::after { content: ""; position: absolute; width: 1px; height: 17px; background: var(--accent-deep); left: 14px; top: 15px; transform: rotate(38deg); }.icon-agents::after { left: 27px; transform: rotate(-38deg); }
.feature-card h3 { font-size: 1.02rem; font-weight: 610; letter-spacing: -.02em; margin-bottom: 9px; }
.feature-card p { color: var(--muted); font-size: .84rem; line-height: 1.65; margin-bottom: 0; }

.workflow { display: grid; grid-template-columns: 1fr .8fr; gap: 12%; padding: 78px 0 88px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.workflow-copy { max-width: 500px; }
.workflow h2 { font-size: clamp(2.05rem, 3.4vw, 3rem); }
.steps { list-style: none; margin: 4px 0 0; padding: 0; }
.steps li { display: flex; align-items: flex-start; gap: 20px; border-bottom: 1px solid var(--line); padding: 16px 0; }
.steps li:first-child { padding-top: 0; }
.steps li > span { color: var(--accent); font-size: .68rem; letter-spacing: .08em; padding-top: 3px; }
.steps strong { font-size: .92rem; font-weight: 620; }
.steps p { color: var(--muted); font-size: .8rem; margin: 3px 0 0; }
.closing { text-align: center; padding: 100px 0 104px; }
.closing h2 { max-width: 680px; margin: 0 auto 15px; }
.closing > p:last-child { color: var(--muted); margin-bottom: 0; }
.footer { min-height: 78px; border-top: 1px solid var(--line); color: var(--muted); font-size: .76rem; }
.footer .brand { color: var(--text); font-size: .89rem; }
.footer .brand-mark { width: 23px; height: 23px; border-radius: 7px; }

@media (max-width: 800px) {
  .nav, .footer, .hero, .section { width: min(100% - 40px, var(--max-width)); }
  .hero { grid-template-columns: 1fr; padding-top: 82px; padding-bottom: 76px; }
  .hero-copy { max-width: 680px; }
  .hero-art { min-height: 350px; margin-top: 6px; }
  .hero-caption { bottom: 18px; }
  .workflow { grid-template-columns: 1fr; gap: 38px; }
}
@media (max-width: 580px) {
  .nav, .footer, .hero, .section { width: calc(100% - 36px); }
  .nav { min-height: 68px; }
  .nav-links { gap: 14px; font-size: .78rem; }
  .nav-links > a:first-child { display: none; }
  .nav-cta { padding: 8px 10px; }
  .hero { padding-top: 69px; }
  h1 { font-size: clamp(3rem, 15vw, 4.2rem); }
  .hero-text { font-size: .92rem; }
  .hero-art { min-height: 310px; transform: scale(.88); margin: -4px -20px 0; }
  .node-one { left: 11%; }.node-two { left: 5%; }.node-three { right: 0; }
  .platform { padding-top: 76px; padding-bottom: 77px; }
  .section-heading { margin-bottom: 31px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: 210px; }
  .workflow { padding: 65px 0; }
  .closing { padding: 76px 0; }
  .footer { align-items: flex-start; flex-direction: column; justify-content: center; gap: 6px; padding: 17px 0; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}