:root {
  --ink: #f2f5f3;
  --muted: #8d9791;
  --line: rgba(255, 255, 255, 0.11);
  --panel: rgba(18, 22, 20, 0.74);
  --accent: #b8ff57;
  --accent-soft: rgba(184, 255, 87, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    linear-gradient(rgba(255,255,255,.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.022) 1px, transparent 1px),
    #090b0a;
  background-size: 54px 54px;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
main { min-height: 100vh; overflow: hidden; position: relative; }

.ambient { position: absolute; border-radius: 999px; pointer-events: none; filter: blur(2px); }
.ambient-one { width: 44rem; height: 44rem; right: -17rem; top: -18rem; background: radial-gradient(circle, rgba(184,255,87,.11), transparent 66%); }
.ambient-two { width: 30rem; height: 30rem; left: -16rem; bottom: -17rem; background: radial-gradient(circle, rgba(77,124,255,.09), transparent 68%); }

.site-nav {
  width: min(1180px, calc(100% - 48px));
  height: 96px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  position: relative;
  z-index: 2;
}

.brand { display: inline-flex; align-items: center; gap: 12px; font-size: 14px; font-weight: 750; letter-spacing: .18em; }
.brand-mark { width: 35px; height: 35px; display: grid; place-items: center; background: var(--accent); color: #0a0c0b; border-radius: 50%; letter-spacing: 0; font-weight: 900; }
.nav-links { display: flex; gap: 36px; color: #9ca69f; font-size: 13px; }
.nav-links a { transition: color .2s ease; }
.nav-links a:hover, .nav-links a:focus-visible { color: var(--accent); }

.hero {
  width: min(1180px, calc(100% - 48px));
  min-height: calc(100vh - 146px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(320px, .75fr);
  gap: clamp(60px, 9vw, 130px);
  align-items: center;
  padding: 70px 0 110px;
  position: relative;
  z-index: 1;
}

.eyebrow { margin: 0 0 28px; color: var(--accent); font-size: 12px; font-weight: 700; letter-spacing: .22em; display: flex; align-items: center; gap: 12px; }
.eyebrow span { width: 34px; height: 1px; background: var(--accent); }
.hero h1 { margin: 0; max-width: 760px; font-size: clamp(58px, 8vw, 108px); line-height: .96; letter-spacing: -.06em; font-weight: 720; }
.hero h1 span { color: #818b85; }
.hero-lead { max-width: 610px; margin: 34px 0 0; color: #929c96; font-size: clamp(16px, 1.5vw, 19px); line-height: 1.9; }
.hero-actions { display: flex; gap: 14px; margin-top: 42px; flex-wrap: wrap; }
.button { min-height: 50px; padding: 0 23px; display: inline-flex; align-items: center; justify-content: center; gap: 18px; border: 1px solid var(--line); font-size: 13px; font-weight: 650; transition: transform .2s ease, border-color .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--accent); color: #0a0c0b; border-color: var(--accent); }
.button-primary:hover { background: #c6ff78; }
.button-ghost:hover { border-color: rgba(184,255,87,.5); }

.signal-card { min-height: 390px; padding: 25px; border: 1px solid var(--line); background: linear-gradient(145deg, rgba(255,255,255,.055), rgba(255,255,255,.015)); backdrop-filter: blur(14px); display: flex; flex-direction: column; justify-content: space-between; position: relative; }
.signal-card::before { content: ""; position: absolute; inset: 8px; border: 1px solid rgba(255,255,255,.045); pointer-events: none; }
.signal-top, .signal-footer { display: flex; align-items: center; font: 650 10px/1 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .14em; color: #7f8983; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); margin-right: 9px; box-shadow: 0 0 16px var(--accent); }
.signal-index { margin-left: auto; }
.signal-content p { color: var(--accent); margin: 0 0 15px; font-size: 12px; }
.signal-content h2 { margin: 0; font-size: clamp(26px, 2.8vw, 38px); line-height: 1.28; letter-spacing: -.035em; font-weight: 600; }
.signal-footer { justify-content: space-between; }
.signal-bars { display: flex; gap: 3px; align-items: end; height: 14px; }
.signal-bars i { display: block; width: 3px; background: var(--accent); opacity: .85; }
.signal-bars i:nth-child(1) { height: 4px; }.signal-bars i:nth-child(2) { height: 7px; }.signal-bars i:nth-child(3) { height: 10px; }.signal-bars i:nth-child(4) { height: 13px; }.signal-bars i:nth-child(5) { height: 9px; }

.scroll-cue { position: absolute; left: 50%; top: calc(100vh - 36px); transform: translateX(-50%); display: flex; align-items: center; gap: 13px; color: #69716d; font-size: 10px; letter-spacing: .18em; }
.scroll-cue i { width: 30px; height: 1px; background: #4f5752; position: relative; }
.scroll-cue i::after { content: ""; width: 4px; height: 4px; border-right: 1px solid #69716d; border-bottom: 1px solid #69716d; transform: rotate(45deg); position: absolute; right: 0; top: -2px; }

.content-section {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 130px 0;
  border-top: 1px solid var(--line);
  position: relative;
  z-index: 1;
}

.section-label {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #8a948e;
  font-size: 11px;
  font-weight: 650;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.section-label span { color: var(--accent); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.section-kicker { margin: 0 0 22px; color: var(--accent); font: 650 11px/1.3 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .17em; }
.about-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(70px, 11vw, 150px); margin-top: 65px; }
.about-grid h2 { margin: 0; font-size: clamp(40px, 5.2vw, 70px); line-height: 1.15; letter-spacing: -.045em; font-weight: 650; }
.about-copy { padding-top: 32px; }
.about-copy p { margin: 0 0 24px; color: #9ba49f; font-size: 17px; line-height: 1.95; }
.facts-grid { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 95px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.facts-grid div { min-height: 125px; padding: 26px 24px; display: flex; flex-direction: column; justify-content: space-between; border-right: 1px solid var(--line); }
.facts-grid div:last-child { border-right: 0; }
.facts-grid span { color: #626a66; font: 650 10px/1 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .14em; }
.facts-grid strong { font-size: 18px; font-weight: 550; }

.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 40px; margin-bottom: 60px; }
.section-heading > p { margin: 0; color: #717a75; font-size: 13px; }
.notes-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.note-card { min-height: 390px; padding: 30px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(255,255,255,.015); display: flex; flex-direction: column; position: relative; transition: background .25s ease, transform .25s ease; }
.note-card:hover { background: rgba(255,255,255,.038); transform: translateY(-4px); }
.featured-note { background: linear-gradient(145deg, var(--accent-soft), rgba(255,255,255,.015)); }
.note-meta { display: flex; justify-content: space-between; color: #6f7873; font: 600 10px/1 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .1em; }
.note-meta span { color: var(--accent); }
.note-card h3 { margin: auto 0 18px; font-size: clamp(23px, 2.2vw, 32px); line-height: 1.38; letter-spacing: -.03em; font-weight: 590; }
.note-card p { min-height: 50px; margin: 0; color: #818a85; font-size: 14px; line-height: 1.75; }
.note-arrow { position: absolute; right: 28px; bottom: 26px; color: var(--accent); font-size: 18px; opacity: 0; transform: translate(-4px, 4px); transition: opacity .2s ease, transform .2s ease; }
.note-card:hover .note-arrow { opacity: 1; transform: translate(0, 0); }

.projects-section { padding-bottom: 150px; }
.project-list { border-top: 1px solid var(--line); }
.project-row { min-height: 126px; padding: 24px 8px; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 80px 1fr auto; gap: 25px; align-items: center; }
.project-number { color: #5f6763; font: 600 11px/1 ui-monospace, SFMono-Regular, Menlo, monospace; }
.project-row h3 { margin: 0 0 9px; font-size: 21px; font-weight: 570; }
.project-row p { margin: 0; color: #747d78; font-size: 13px; }
.project-status { display: flex; align-items: center; gap: 9px; color: var(--accent); font: 650 10px/1 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .1em; }
.project-status i { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 10px rgba(184,255,87,.65); }
.muted-status { color: #626a66; }
.muted-status i { background: #626a66; box-shadow: none; }

.contact-section { width: 100%; padding: 140px 24px; border-top: 1px solid var(--line); background: linear-gradient(145deg, rgba(184,255,87,.055), rgba(255,255,255,.008)); position: relative; z-index: 1; }
.contact-inner { width: min(1180px, 100%); margin: 0 auto; text-align: center; }
.contact-inner h2 { margin: 0; font-size: clamp(52px, 7vw, 92px); line-height: 1.02; letter-spacing: -.055em; font-weight: 680; }
.contact-inner h2 span { color: #7d8781; }
.contact-inner > p:not(.section-kicker) { margin: 30px auto 0; color: #7f8883; font-size: 15px; }
.contact-button { margin-top: 38px; }

footer { width: min(1180px, calc(100% - 48px)); min-height: 120px; margin: 0 auto; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 25px; color: #69716d; font-size: 11px; letter-spacing: .08em; }
.footer-brand { color: var(--ink); }
.footer-brand .brand-mark { width: 28px; height: 28px; font-size: 11px; }
footer p { margin: 0; }
footer > span { justify-self: end; }

@media (max-width: 820px) {
  .site-nav { width: min(100% - 34px, 1180px); height: 78px; }
  .nav-links { gap: 18px; }
  .hero { width: min(100% - 34px, 1180px); grid-template-columns: 1fr; gap: 56px; padding: 72px 0 100px; }
  .signal-card { min-height: 315px; }
  .scroll-cue { display: none; }
  .content-section { width: min(100% - 34px, 1180px); padding: 95px 0; }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-copy { padding-top: 0; }
  .facts-grid { grid-template-columns: repeat(2, 1fr); margin-top: 65px; }
  .facts-grid div:nth-child(2) { border-right: 0; }
  .facts-grid div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .notes-grid { grid-template-columns: 1fr; }
  .note-card { min-height: 320px; }
  .project-row { grid-template-columns: 48px 1fr; }
  .project-status { grid-column: 2; }
  footer { width: min(100% - 34px, 1180px); grid-template-columns: 1fr auto; padding: 30px 0; }
  footer p { display: none; }
}

@media (max-width: 520px) {
  .nav-links a:nth-child(2) { display: none; }
  .hero h1 { font-size: clamp(52px, 17vw, 72px); }
  .hero-lead { font-size: 16px; }
  .button { flex: 1; }
  .section-heading { align-items: start; flex-direction: column; margin-bottom: 38px; }
  .facts-grid { grid-template-columns: 1fr; }
  .facts-grid div { border-right: 0; border-bottom: 1px solid var(--line); }
  .facts-grid div:last-child { border-bottom: 0; }
  .about-grid h2 { font-size: 40px; }
  .contact-section { padding: 100px 20px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}