:root {
  --ink: #f4f7f2;
  --muted: #a8b5ae;
  --quiet: #72827a;
  --bg: #07110f;
  --surface: #0d1916;
  --surface-2: #12221d;
  --line: rgba(217, 255, 232, 0.14);
  --acid: #b8ff6a;
  --mint: #65e6b4;
  --amber: #ffcb70;
  --max: 1160px;
  --radius: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 86% 3%, rgba(101, 230, 180, 0.09), transparent 30rem),
    var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--acid); outline-offset: 4px; }
.shell { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.section { padding-block: 104px; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 20; background: var(--acid); color: #07110f; padding: 12px 18px; border-radius: 10px; font-weight: 800; }
.skip-link:focus { top: 16px; }

.topbar { height: 82px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.identity { display: inline-flex; align-items: center; gap: 12px; font-weight: 760; letter-spacing: -0.02em; }
.identity-mark { display: grid; place-items: center; width: 38px; height: 38px; border: 1px solid rgba(184, 255, 106, 0.52); border-radius: 12px; color: var(--acid); font: 800 12px/1 ui-monospace, SFMono-Regular, Menlo, monospace; }
nav { display: flex; gap: 28px; color: var(--muted); font-size: 14px; }
nav a:hover { color: var(--ink); }

.hero { min-height: 690px; padding-block: 92px 104px; display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.65fr); align-items: center; gap: 76px; }
.eyebrow, .kicker { margin: 0 0 24px; color: var(--acid); text-transform: uppercase; letter-spacing: 0.16em; font: 720 12px/1.4 ui-monospace, SFMono-Regular, Menlo, monospace; }
.status-dot { display: inline-block; width: 8px; height: 8px; margin-right: 10px; border-radius: 50%; background: var(--acid); box-shadow: 0 0 18px var(--acid); }
h1, h2, h3, p { text-wrap: pretty; }
h1 { max-width: 780px; margin: 0; font-size: clamp(52px, 6.2vw, 88px); line-height: 0.98; letter-spacing: -0.065em; font-weight: 760; }
h1 em { color: var(--acid); font-style: normal; }
.lede { max-width: 690px; margin: 34px 0 0; color: var(--muted); font-size: clamp(19px, 2vw, 23px); line-height: 1.55; letter-spacing: -0.015em; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 40px; }
.button { display: inline-flex; min-height: 52px; align-items: center; justify-content: center; padding: 0 22px; border: 1px solid transparent; border-radius: 999px; font-weight: 780; transition: transform 160ms ease, border-color 160ms ease, background 160ms ease; }
.button:hover { transform: translateY(-2px); }
.button.primary { background: var(--acid); color: #07110f; }
.button.secondary { border-color: var(--line); background: rgba(255,255,255,0.025); }
.button.secondary:hover { border-color: rgba(184, 255, 106, 0.48); }
.quick-facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin: 56px 0 0; padding: 30px 0 0; border-top: 1px solid var(--line); list-style: none; }
.quick-facts strong, .quick-facts span { display: block; }
.quick-facts strong { font-size: 15px; }
.quick-facts span { margin-top: 4px; color: var(--quiet); font-size: 13px; }

.signal-card { position: relative; overflow: hidden; min-height: 470px; padding: 26px; border: 1px solid var(--line); border-radius: 32px; background: linear-gradient(150deg, rgba(18, 34, 29, 0.96), rgba(8, 18, 15, 0.78)); box-shadow: 0 34px 90px rgba(0,0,0,.3); }
.signal-card::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(184,255,106,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(184,255,106,.035) 1px, transparent 1px); background-size: 36px 36px; mask-image: linear-gradient(to bottom, black, transparent 82%); }
.signal-topline { position: relative; z-index: 1; display: flex; justify-content: space-between; color: var(--quiet); font: 700 10px/1 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .15em; }
.signal-core { position: relative; z-index: 1; display: grid; place-items: center; height: 300px; }
.ring { position: absolute; border: 1px solid rgba(184, 255, 106, .18); border-radius: 50%; }
.ring-one { width: 238px; height: 238px; }
.ring-two { width: 178px; height: 178px; border-color: rgba(101, 230, 180, .34); }
.ring-three { width: 118px; height: 118px; background: rgba(184, 255, 106, .06); border-color: rgba(184, 255, 106, .55); box-shadow: inset 0 0 42px rgba(184, 255, 106, .09), 0 0 50px rgba(101,230,180,.07); }
.core-label { z-index: 2; text-align: center; font: 760 17px/1.18 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .05em; }
.core-label b { color: var(--acid); font-weight: 600; }
.signal-stats { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 0; }
.signal-stats div { padding-top: 14px; border-top: 1px solid var(--line); }
.signal-stats dt { color: var(--quiet); font-size: 11px; }
.signal-stats dd { margin: 5px 0 0; font-size: 13px; font-weight: 700; }

.section-heading { max-width: 780px; margin-bottom: 48px; }
.section-heading.compact { margin-bottom: 38px; }
.section-heading h2, .contact h2 { margin: 0; font-size: clamp(38px, 5vw, 62px); line-height: 1.05; letter-spacing: -0.05em; }
.section-heading > p:last-child { max-width: 660px; margin: 22px 0 0; color: var(--muted); font-size: 18px; }
.project-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.project-card { position: relative; min-height: 430px; padding: 38px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.project-card::after { content: ""; position: absolute; width: 260px; height: 260px; right: -125px; top: -125px; border-radius: 50%; background: radial-gradient(circle, rgba(184,255,106,.17), transparent 66%); }
.project-evidence::after { background: radial-gradient(circle, rgba(101,230,180,.17), transparent 66%); }
.project-index { position: absolute; top: 26px; right: 30px; color: rgba(244,247,242,.16); font: 800 60px/1 ui-monospace, SFMono-Regular, Menlo, monospace; }
.project-type { margin: 0 0 44px; color: var(--acid); font: 720 11px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .16em; }
.project-evidence .project-type { color: var(--mint); }
.project-card h3 { margin: 0; font-size: 34px; letter-spacing: -0.04em; }
.project-card > p:not(.project-type) { max-width: 520px; margin: 20px 0 0; color: var(--muted); font-size: 16px; }
.tags { display: flex; flex-wrap: wrap; gap: 7px; margin: 28px 0 0; padding: 0; list-style: none; }
.tags li { padding: 6px 10px; border: 1px solid var(--line); border-radius: 999px; color: #c9d3ce; font: 650 11px/1 ui-monospace, SFMono-Regular, Menlo, monospace; }
.text-link { position: absolute; left: 38px; bottom: 34px; color: var(--acid); font-weight: 750; }
.project-evidence .text-link { color: var(--mint); }

.systems { border-block: 1px solid var(--line); background: linear-gradient(180deg, rgba(18,34,29,.72), rgba(13,25,22,.58)); }
.capability-grid { display: grid; grid-template-columns: repeat(2, 1fr); }
.capability-grid article { position: relative; min-height: 230px; padding: 34px 48px 34px 0; border-top: 1px solid var(--line); }
.capability-grid article:nth-child(even) { padding-left: 48px; border-left: 1px solid var(--line); }
.cap-number { color: var(--acid); font: 720 12px/1 ui-monospace, SFMono-Regular, Menlo, monospace; }
.capability-grid h3 { margin: 40px 0 0; font-size: 24px; letter-spacing: -0.03em; }
.capability-grid p { max-width: 500px; margin: 14px 0 0; color: var(--muted); }

.evidence-list { border-top: 1px solid var(--line); }
.evidence-list article { display: grid; grid-template-columns: minmax(280px, .8fr) 1.2fr; gap: 40px; padding: 30px 0; border-bottom: 1px solid var(--line); }
.evidence-list article > div { display: flex; align-items: baseline; gap: 20px; }
.evidence-list span { color: var(--quiet); font: 650 11px/1 ui-monospace, SFMono-Regular, Menlo, monospace; }
.evidence-list h3 { margin: 0; font-size: 20px; letter-spacing: -0.025em; }
.evidence-list p { margin: 0; color: var(--muted); }
.portfolio-button { margin-top: 34px; }

.contact { padding-block: 92px; background: var(--acid); color: #07110f; }
.contact-inner { display: grid; grid-template-columns: 1.5fr .5fr; gap: 70px; align-items: end; }
.contact .kicker { color: rgba(7,17,15,.62); }
.contact h2 { max-width: 800px; }
.contact-actions { display: grid; gap: 20px; justify-items: start; }
.contact .button.primary { border: 2px solid #07110f; }
.social-links { display: flex; flex-wrap: wrap; gap: 16px; font-size: 14px; font-weight: 760; }
footer { min-height: 94px; display: flex; align-items: center; justify-content: space-between; gap: 24px; color: var(--quiet); font-size: 12px; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 56px; padding-top: 72px; }
  .signal-card { min-height: 420px; }
  .contact-inner { grid-template-columns: 1fr; align-items: start; }
}

@media (max-width: 700px) {
  .shell { width: min(calc(100% - 28px), var(--max)); }
  .section { padding-block: 72px; }
  .topbar { height: 70px; }
  nav a:not(:last-child) { display: none; }
  .hero { min-height: auto; padding-block: 62px 76px; }
  h1 { font-size: clamp(48px, 14vw, 70px); }
  .quick-facts, .project-grid, .capability-grid { grid-template-columns: 1fr; }
  .project-card { min-height: 470px; padding: 28px; }
  .text-link { left: 28px; }
  .capability-grid article, .capability-grid article:nth-child(even) { padding: 30px 0; border-left: 0; }
  .evidence-list article { grid-template-columns: 1fr; gap: 14px; }
  .contact h2 { font-size: 42px; }
  footer { align-items: flex-start; flex-direction: column; justify-content: center; }
}

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