@font-face {
  font-family: "Space Grotesk";
  src: url("./fonts/space-grotesk-latin-400-normal.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Space Grotesk";
  src: url("./fonts/space-grotesk-latin-500-normal.woff2") format("woff2");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}

@font-face {
  font-family: "Space Grotesk";
  src: url("./fonts/space-grotesk-latin-600-normal.woff2") format("woff2");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}

@font-face {
  font-family: "Inter";
  src: url("./fonts/inter-latin-400-normal.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Inter";
  src: url("./fonts/inter-latin-500-normal.woff2") format("woff2");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Mono";
  src: url("./fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Mono";
  src: url("./fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}

:root {
  --black: #070908;
  --black-2: #0b0e0c;
  --white: #f2f5ef;
  --lime: #b7ff39;
  --steel: #8b938e;
  --muted: #646b66;
  --line: #242a25;
  --shell: min(100% - 96px, 1460px);
}

* { box-sizing: border-box; }

html {
  background: var(--black);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--black);
  color: var(--white);
  font-family: "Inter", Arial, Helvetica, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }

::selection { background: var(--lime); color: var(--black); }

.shell { width: var(--shell); margin-inline: auto; }

.hero {
  position: relative;
  min-height: 900px;
  height: 100svh;
  max-height: 1020px;
  overflow: hidden;
  isolation: isolate;
  background: var(--black);
  border-bottom: 1px solid var(--line);
}

.site-header {
  position: relative;
  z-index: 20;
  height: 74px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  border-bottom: 1px solid rgba(242, 245, 239, .15);
}

.site-header::before,
.site-header::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: -1px;
  width: 1px;
  background: rgba(242, 245, 239, .16);
}

.site-header::before { left: -28px; }
.site-header::after { right: -28px; }

.brand { display: inline-flex; align-items: baseline; width: fit-content; gap: 9px; text-transform: uppercase; }
.brand-mark { font-family: "Space Grotesk", sans-serif; font-weight: 600; font-size: 25px; letter-spacing: -.07em; }
.brand-word { font-family: "Space Grotesk", sans-serif; font-size: 20px; font-weight: 400; letter-spacing: .035em; }

.desktop-nav { display: flex; align-items: center; gap: 43px; }
.desktop-nav a { position: relative; font-size: 14px; color: rgba(242, 245, 239, .88); }
.desktop-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -10px;
  height: 1px;
  background: var(--lime);
  transition: right 200ms ease;
}
.desktop-nav a:hover::after, .desktop-nav a:focus-visible::after { right: 0; }

.header-meta { justify-self: end; display: flex; align-items: center; gap: 31px; font-family: "IBM Plex Mono", monospace; font-size: 10px; letter-spacing: .055em; color: var(--steel); }
.header-meta > a { color: rgba(242, 245, 239, .72); }
.status { display: inline-flex; align-items: center; gap: 9px; text-transform: uppercase; }
.status i { width: 6px; height: 6px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 13px rgba(183, 255, 57, .55); }
.mobile-menu { display: none; }

.hero-grid, .contact-grid {
  position: absolute;
  inset: 74px 0 126px;
  z-index: -2;
  opacity: .5;
  background-image:
    linear-gradient(rgba(36, 42, 37, .65) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36, 42, 37, .65) 1px, transparent 1px);
  background-size: 91px 91px;
  mask-image: linear-gradient(to right, #000 0%, rgba(0,0,0,.6) 46%, transparent 85%);
}

.hero-art {
  position: absolute;
  z-index: -1;
  inset: 74px 0 126px 31%;
  background-image: image-set(
    url("./images/hero-mineral.webp") type("image/webp"),
    url("./images/hero-mineral.png") type("image/png")
  );
  background-repeat: no-repeat;
  background-size: cover;
  background-position: 59% center;
  animation: mineral-reveal 1.1s cubic-bezier(.2,.75,.25,1) both;
}

.hero-vignette {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, var(--black) 0%, rgba(7,9,8,.96) 10%, rgba(7,9,8,.44) 31%, transparent 57%),
    linear-gradient(0deg, rgba(7,9,8,.35), transparent 28%);
}

.data-callout { position: absolute; right: 4.7%; bottom: 24%; font: 500 9px/1.8 "IBM Plex Mono", monospace; color: rgba(183, 255, 57, .46); letter-spacing: .08em; }
.target { position: absolute; width: 22px; height: 22px; border: 1px solid rgba(242,245,239,.25); border-radius: 50%; }
.target::before, .target::after { content: ""; position: absolute; background: rgba(242,245,239,.25); }
.target::before { width: 34px; height: 1px; left: -7px; top: 10px; }
.target::after { width: 1px; height: 34px; top: -7px; left: 10px; }
.target-a { right: 4%; bottom: 16%; }
.target-b { left: 43%; top: 17%; transform: scale(.55); opacity: .7; }

.hero-content { position: relative; z-index: 3; height: calc(100% - 126px - 74px); display: flex; align-items: center; }
.hero-copy { width: min(610px, 47vw); transform: translateY(-4px); }
.eyebrow { margin: 0; color: var(--lime); font: 500 13px/1.3 "IBM Plex Mono", monospace; text-transform: uppercase; letter-spacing: .12em; }

.hero h1 {
  max-width: 665px;
  margin: 29px 0 24px;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 600;
  font-size: clamp(64px, 5.5vw, 88px);
  line-height: .98;
  letter-spacing: -.055em;
  text-wrap: balance;
}

.hero-lede { max-width: 440px; margin: 0; color: #bac0bb; font-size: 17px; line-height: 1.55; }
.hero-actions { display: flex; gap: 16px; margin-top: 27px; }
.button { min-height: 54px; padding: 0 21px; display: inline-flex; align-items: center; justify-content: center; gap: 32px; border: 1px solid transparent; font-size: 14px; font-weight: 500; transition: color 200ms ease, background 200ms ease, border-color 200ms ease, transform 200ms ease; }
.button span { font-size: 22px; line-height: 1; transition: transform 200ms ease; }
.button:hover span, .button:focus-visible span { transform: translateX(6px); }
.button:focus-visible, .desktop-nav a:focus-visible, .text-link:focus-visible, .contact-email:focus-visible { outline: 2px solid var(--lime); outline-offset: 4px; }
.button-primary { color: #090b09; background: var(--lime); border-color: var(--lime); box-shadow: 0 0 35px rgba(183,255,57,.05); }
.button-primary:hover { background: #c5ff61; border-color: #c5ff61; }
.button-secondary { color: rgba(242,245,239,.88); border-color: #68706b; background: rgba(7,9,8,.37); backdrop-filter: blur(8px); }
.button-secondary:hover { border-color: var(--white); background: rgba(242,245,239,.04); }

.proof-line { display: flex; align-items: center; gap: 16px; margin: 39px 0 0; color: var(--steel); font-size: 14px; }
.proof-line strong { color: var(--lime); font-weight: 400; }
.proof-target { position: relative; width: 23px; height: 23px; border: 1px solid rgba(242,245,239,.4); border-radius: 50%; }
.proof-target::before, .proof-target::after { content: ""; position: absolute; background: rgba(242,245,239,.4); }
.proof-target::before { width: 31px; height: 1px; top: 10px; left: -5px; }
.proof-target::after { width: 1px; height: 31px; left: 10px; top: -5px; }

.process-rail {
  position: absolute;
  z-index: 4;
  left: 0;
  right: 0;
  bottom: 0;
  height: 126px;
  margin: 0;
  padding: 0 max(48px, calc((100vw - 1460px) / 2));
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  list-style: none;
  background: rgba(7,9,8,.97);
  border-top: 1px solid #313731;
}

.process-rail li { padding: 28px 38px 20px; border-right: 1px solid #292f2a; transition: background 220ms ease; }
.process-rail li:first-child { border-left: 1px solid #292f2a; }
.process-rail li:hover { background: rgba(183,255,57,.025); }
.process-rail li div { display: flex; align-items: center; gap: 22px; }
.process-rail li span { color: var(--lime); font: 500 11px "IBM Plex Mono", monospace; }
.process-rail li strong { color: #d8dcd8; font: 400 14px "IBM Plex Mono", monospace; text-transform: uppercase; }
.process-rail li p { margin: 17px 0 0; color: #666d68; font: 400 9px "IBM Plex Mono", monospace; text-transform: uppercase; letter-spacing: .06em; }

.intro-section { padding-block: 142px; display: grid; grid-template-columns: 1fr 5.2fr 3fr; gap: 48px; border-bottom: 1px solid var(--line); }
.section-code { padding-top: 3px; color: var(--muted); font: 400 11px "IBM Plex Mono", monospace; }
.intro-copy h2, .section-heading h2, .service-sticky h2, .contact-inner h2 { margin: 22px 0 0; font: 500 clamp(45px, 4.5vw, 72px)/1.03 "Space Grotesk", sans-serif; letter-spacing: -.045em; }
.intro-text { align-self: end; margin: 0 0 4px; color: #9ca39e; font-size: 16px; line-height: 1.7; }
.micro-label { margin: 0; color: var(--muted); font: 500 10px/1.4 "IBM Plex Mono", monospace; text-transform: uppercase; letter-spacing: .1em; }

.about-detail-section { padding: 0 0 145px; display: grid; grid-template-columns: 1fr 2.4fr; gap: 96px; border-bottom: 1px solid var(--line); }
.operator-definition { min-height: 520px; padding: 34px; display: flex; flex-direction: column; border: 1px solid #303630; background: linear-gradient(145deg, #0d100e, #080a09); }
.operator-word { margin: 58px 0 auto; font: 500 34px/1.08 "Space Grotesk", sans-serif; letter-spacing: -.04em; text-transform: uppercase; }
.operator-word::before { content: "["; margin-right: 10px; color: var(--lime); font-family: "IBM Plex Mono", monospace; }
.operator-word::after { content: "]"; margin-left: 10px; color: var(--lime); font-family: "IBM Plex Mono", monospace; }
.operator-code { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; padding-top: 25px; border-top: 1px solid #303630; font: 400 9px "IBM Plex Mono", monospace; text-transform: uppercase; }
.operator-code span { color: var(--muted); }
.operator-code strong { color: #bcc3be; font-weight: 400; text-align: right; }
.operator-content { padding-top: 32px; }
.operator-content > h2 { max-width: 900px; margin: 23px 0 52px; font: 500 clamp(42px, 4vw, 64px)/1.07 "Space Grotesk", sans-serif; letter-spacing: -.045em; }
.operator-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; }
.operator-columns p { margin: 0; color: #909792; font-size: 15px; line-height: 1.78; }
.position-strip { margin-top: 62px; display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid #303630; border-bottom: 1px solid #303630; }
.position-strip div { padding: 25px 26px 28px; border-right: 1px solid #303630; }
.position-strip div:last-child { border-right: 0; }
.position-strip span { display: block; color: var(--lime); font: 500 9px "IBM Plex Mono", monospace; }
.position-strip strong { display: block; margin-top: 28px; font: 500 18px "Space Grotesk", sans-serif; }
.position-strip p { margin: 7px 0 0; color: var(--muted); font-size: 11px; }

.technology-section { padding: 135px 0 150px; background: #0a0c0b; border-bottom: 1px solid var(--line); }
.section-heading { display: grid; grid-template-columns: 1.2fr .65fr; gap: 90px; align-items: end; }
.section-heading > p { margin: 0 0 7px; color: #929994; font-size: 16px; line-height: 1.65; max-width: 475px; justify-self: end; }

.process-system { position: relative; min-height: 610px; margin-top: 90px; display: grid; grid-template-columns: 1fr 1.7fr 1fr; align-items: center; border-top: 1px solid #303630; border-bottom: 1px solid #303630; overflow: hidden; background: radial-gradient(circle at center, rgba(183,255,57,.045), transparent 40%); }
.process-system::before { content: ""; position: absolute; inset: 0; opacity: .33; background-image: linear-gradient(rgba(36,42,37,.65) 1px, transparent 1px), linear-gradient(90deg, rgba(36,42,37,.65) 1px, transparent 1px); background-size: 64px 64px; mask-image: radial-gradient(circle at center, #000, transparent 72%); }
.process-node { position: relative; z-index: 3; padding: 0 42px; }
.node-number, .node-label { color: var(--lime); font: 500 11px "IBM Plex Mono", monospace; text-transform: uppercase; letter-spacing: .1em; }
.node-number { display: inline-grid; place-items: center; width: 32px; height: 32px; border: 1px solid rgba(183,255,57,.5); border-radius: 50%; }
.node-label { margin: 28px 0 12px; color: var(--muted); }
.process-node h3 { margin: 0 0 34px; font: 500 27px "Space Grotesk", sans-serif; }
.process-node dl { margin: 0; }
.process-node dl div { padding: 11px 0; display: flex; justify-content: space-between; border-top: 1px solid #303630; font: 400 10px "IBM Plex Mono", monospace; text-transform: uppercase; }
.process-node dt { color: var(--muted); }
.process-node dd { margin: 0; color: #bfc5c0; }

.reactor-visual { position: relative; z-index: 3; height: 510px; display: grid; place-items: center; border-left: 1px solid #303630; border-right: 1px solid #303630; }
.reactor-node-number { position: absolute; z-index: 2; top: 32px; left: 34px; }
.reactor-visual > p { position: absolute; bottom: 22px; color: var(--muted); font: 400 10px "IBM Plex Mono", monospace; text-transform: uppercase; letter-spacing: .08em; }
.reactor-frame { position: relative; width: 310px; height: 330px; border: 8px solid #353b36; box-shadow: inset 0 0 0 1px #727a73, 0 28px 80px rgba(0,0,0,.5); background: linear-gradient(135deg, rgba(255,255,255,.02), transparent); }
.reactor-frame::before, .reactor-frame::after { content: ""; position: absolute; top: -8px; bottom: -8px; width: 8px; background: linear-gradient(90deg, #202521, #656c66, #2a302b); }
.reactor-frame::before { left: 47px; }
.reactor-frame::after { right: 47px; }
.reactor-vessel { position: absolute; top: 47px; bottom: 62px; width: 70px; border: 1px solid #8d968f; border-radius: 34px 34px 13px 13px; background: linear-gradient(90deg, #171b18, #5b625c 44%, #1a1e1b 72%); box-shadow: inset 8px 0 16px rgba(255,255,255,.035); }
.reactor-vessel::before { content: ""; position: absolute; left: 50%; top: -35px; width: 13px; height: 35px; transform: translateX(-50%); background: #59605a; }
.reactor-vessel span { position: absolute; left: -5px; right: -5px; top: 42%; height: 5px; background: #252b26; border-block: 1px solid #7d857e; }
.vessel-one { left: 72px; }
.vessel-two { right: 72px; }
.reactor-pipe { position: absolute; height: 7px; background: linear-gradient(#6e766f, #222723); border: 1px solid #858d86; }
.pipe-top { left: 84px; right: 84px; top: 22px; }
.pipe-bottom { left: 33px; right: 33px; bottom: 37px; }
.control-unit { position: absolute; right: 10px; top: 95px; width: 42px; height: 92px; padding: 10px 8px; background: #1a1f1b; border: 1px solid #687169; display: flex; flex-direction: column; gap: 9px; }
.control-unit i { height: 8px; border: 1px solid rgba(183,255,57,.55); background: rgba(183,255,57,.12); }
.reactor-base { position: absolute; left: -22px; right: -22px; bottom: -24px; height: 24px; border: 1px solid #6b736c; background: linear-gradient(#373d38, #181c19); }
.system-status { position: absolute; top: 42px; display: inline-flex; gap: 9px; align-items: center; color: #9ca39e; font: 400 9px "IBM Plex Mono", monospace; text-transform: uppercase; letter-spacing: .08em; }
.system-status i { width: 5px; height: 5px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 9px rgba(183,255,57,.75); }

.flow-line { position: absolute; z-index: 4; top: 50%; height: 1px; background: rgba(183,255,57,.55); }
.flow-line span { position: absolute; bottom: 15px; color: #939a95; font: 400 9px "IBM Plex Mono", monospace; text-transform: uppercase; letter-spacing: .08em; }
.flow-line i { position: absolute; right: -2px; top: -3px; width: 7px; height: 7px; border-top: 1px solid var(--lime); border-right: 1px solid var(--lime); transform: rotate(45deg); }
.flow-in { left: 25%; right: 59%; }
.flow-in span { left: 0; }
.flow-out { left: 59%; right: 25%; }
.flow-out span { right: 0; }

.engineering-layers { margin-top: 115px; display: grid; grid-template-columns: .75fr 1.7fr; gap: 90px; }
.layers-intro { padding-top: 7px; }
.layers-intro h3 { margin: 25px 0 24px; font: 500 31px/1.18 "Space Grotesk", sans-serif; letter-spacing: -.03em; }
.layers-intro > p:last-child { max-width: 420px; margin: 0; color: #858c87; font-size: 14px; line-height: 1.72; }
.layers-grid { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid #303630; }
.layers-grid article { min-height: 285px; padding: 30px 32px; border-right: 1px solid #303630; border-bottom: 1px solid #303630; }
.layers-grid article:nth-child(2n) { border-right: 0; }
.layers-grid article > span { color: var(--lime); font: 500 10px "IBM Plex Mono", monospace; }
.layers-grid h3 { margin: 42px 0 17px; font: 500 20px "Space Grotesk", sans-serif; }
.layers-grid p { min-height: 67px; margin: 0; color: #858c87; font-size: 12px; line-height: 1.62; }
.layers-grid ul { margin: 26px 0 0; padding: 16px 0 0; display: flex; gap: 10px; flex-wrap: wrap; list-style: none; border-top: 1px solid #292f2a; }
.layers-grid li { color: #a7aea9; font: 400 8px "IBM Plex Mono", monospace; text-transform: uppercase; letter-spacing: .05em; }
.layers-grid li::before { content: "/"; margin-right: 6px; color: var(--lime); }

.fit-section { padding: 145px 0; border-bottom: 1px solid var(--line); background: var(--black); }
.fit-heading { display: grid; grid-template-columns: 1fr 2.1fr 1.1fr; gap: 55px; align-items: end; }
.fit-heading h2 { margin: 0; font: 500 clamp(46px, 4.5vw, 70px)/1.04 "Space Grotesk", sans-serif; letter-spacing: -.045em; }
.fit-heading > p:last-child { margin: 0 0 7px; color: #909792; font-size: 14px; line-height: 1.72; }
.fit-content { margin-top: 88px; display: grid; grid-template-columns: .95fr 1.35fr; gap: 80px; }
.priority-card { position: relative; min-height: 680px; padding: 36px; border: 1px solid #3a413a; background: linear-gradient(145deg, rgba(183,255,57,.035), transparent 43%), #0a0d0b; overflow: hidden; }
.priority-card::after { content: "CO₂"; position: absolute; right: -22px; bottom: -45px; color: rgba(242,245,239,.025); font: 600 160px "Space Grotesk", sans-serif; letter-spacing: -.08em; }
.priority-topline { display: flex; justify-content: space-between; padding-bottom: 21px; border-bottom: 1px solid #303630; color: var(--muted); font: 400 9px "IBM Plex Mono", monospace; text-transform: uppercase; }
.priority-topline strong { color: var(--lime); font-weight: 400; }
.priority-kicker { margin: 100px 0 15px; color: var(--lime); font: 500 10px "IBM Plex Mono", monospace; text-transform: uppercase; letter-spacing: .08em; }
.priority-card h3 { max-width: 520px; margin: 0; font: 500 47px/1.04 "Space Grotesk", sans-serif; letter-spacing: -.045em; }
.priority-copy { max-width: 560px; margin: 34px 0 54px; color: #929994; font-size: 14px; line-height: 1.78; }
.priority-card dl { margin: 0; position: relative; z-index: 1; }
.priority-card dl div { padding: 14px 0; display: flex; justify-content: space-between; border-top: 1px solid #303630; font: 400 9px "IBM Plex Mono", monospace; text-transform: uppercase; }
.priority-card dt { color: var(--muted); }
.priority-card dd { margin: 0; color: #bbc2bd; }
.fit-criteria > .micro-label { padding-bottom: 25px; border-bottom: 1px solid #303630; }
.fit-criteria article { min-height: 119px; padding: 26px 0; display: grid; grid-template-columns: 70px 1fr; border-bottom: 1px solid #303630; }
.fit-criteria article > span { color: var(--lime); font: 500 10px "IBM Plex Mono", monospace; }
.fit-criteria h3 { margin: -4px 0 10px; font: 500 21px "Space Grotesk", sans-serif; }
.fit-criteria p { max-width: 610px; margin: 0; color: #858c87; font-size: 13px; line-height: 1.62; }
.boundary-note { margin-top: 80px; padding: 28px 0; display: grid; grid-template-columns: .4fr 1.6fr; gap: 50px; border-top: 1px solid #404740; border-bottom: 1px solid #404740; }
.boundary-note span { color: var(--lime); font: 500 10px "IBM Plex Mono", monospace; text-transform: uppercase; letter-spacing: .08em; }
.boundary-note p { max-width: 900px; margin: 0; color: #a5aca7; font-size: 14px; line-height: 1.68; }

.service-section { padding-block: 150px; display: grid; grid-template-columns: .85fr 1.15fr; gap: 140px; border-bottom: 1px solid var(--line); }
.service-sticky > p:not(.eyebrow) { max-width: 470px; margin: 32px 0; color: #909792; font-size: 16px; line-height: 1.7; }
.text-link { display: inline-flex; align-items: center; gap: 42px; padding-bottom: 8px; border-bottom: 1px solid #707871; color: #dbe0dc; font-size: 14px; }
.text-link span { color: var(--lime); }
.service-list article { min-height: 205px; padding: 6px 0 45px; display: grid; grid-template-columns: 130px 1fr; column-gap: 30px; border-bottom: 1px solid #2d332e; }
.service-list article + article { padding-top: 47px; }
.service-list article > span { color: var(--lime); font: 400 10px "IBM Plex Mono", monospace; text-transform: uppercase; }
.service-list h3 { margin: -6px 0 20px; font: 500 28px/1.2 "Space Grotesk", sans-serif; }
.service-list p { grid-column: 2; margin: 0; color: #858c87; font-size: 15px; line-height: 1.7; }
.responsibility-panel { grid-column: 1 / -1; margin-top: 10px; padding-top: 72px; display: grid; grid-template-columns: .85fr 1.15fr; gap: 140px; border-top: 1px solid #303630; }
.responsibility-heading h3 { max-width: 470px; margin: 24px 0 0; font: 500 31px/1.18 "Space Grotesk", sans-serif; letter-spacing: -.03em; }
.responsibility-grid { display: grid; grid-template-columns: 1fr 1fr; }
.responsibility-grid div { min-height: 170px; padding: 27px 30px; border-top: 1px solid #303630; border-right: 1px solid #303630; }
.responsibility-grid div:nth-child(2n) { border-right: 0; }
.responsibility-grid span { color: var(--lime); font: 500 9px "IBM Plex Mono", monospace; text-transform: uppercase; }
.responsibility-grid p { margin: 36px 0 0; color: #8b928d; font-size: 12px; line-height: 1.65; }

.impact-section { padding: 145px 0 105px; background: #0a0c0b; }
.impact-heading { margin-bottom: 76px; }
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid #303630; }
.value-grid article { position: relative; min-height: 425px; padding: 33px; border-right: 1px solid #303630; overflow: hidden; }
.value-grid article:last-child { border-right: 0; }
.value-grid article > span { color: var(--lime); font: 500 11px "IBM Plex Mono", monospace; }
.value-grid h3 { position: absolute; left: 33px; bottom: 95px; margin: 0; font: 500 25px "Space Grotesk", sans-serif; }
.value-grid p { position: absolute; left: 33px; right: 33px; bottom: 29px; margin: 0; color: #858c87; font-size: 13px; line-height: 1.6; }
.value-orbit { position: absolute; left: 50%; top: 44%; width: 170px; height: 170px; border: 1px solid #343a35; border-radius: 50%; transform: translate(-50%,-50%); }
.value-orbit::before, .value-orbit::after { content: ""; position: absolute; border: 1px solid rgba(183,255,57,.25); border-radius: 50%; }
.value-orbit::before { inset: 24px; }
.value-orbit::after { inset: 53px; background: radial-gradient(circle, rgba(183,255,57,.25), rgba(183,255,57,.03) 45%, transparent 70%); }
.value-orbit i { position: absolute; left: 50%; top: 50%; width: 118%; height: 37%; border: 1px solid rgba(139,147,142,.25); border-radius: 50%; transform: translate(-50%,-50%) rotate(27deg); }
.value-orbit i:last-child { transform: translate(-50%,-50%) rotate(-38deg); }
.application-line { margin-top: 70px; padding-top: 25px; display: flex; justify-content: space-between; border-top: 1px solid #303630; }
.application-line > span { color: var(--muted); font: 400 10px "IBM Plex Mono", monospace; text-transform: uppercase; letter-spacing: .08em; }
.application-line ul { margin: 0; padding: 0; display: flex; gap: 45px; list-style: none; color: #b3bab5; font-size: 13px; }
.application-line li::before { content: "+"; margin-right: 11px; color: var(--lime); }
.evidence-grid { margin-top: 45px; display: grid; grid-template-columns: repeat(4,1fr); border-top: 1px solid #303630; border-bottom: 1px solid #303630; }
.evidence-grid article { min-height: 250px; padding: 30px 27px; border-right: 1px solid #303630; }
.evidence-grid article:last-child { border-right: 0; }
.evidence-grid span { color: var(--lime); font: 500 9px "IBM Plex Mono", monospace; text-transform: uppercase; letter-spacing: .08em; }
.evidence-grid h3 { margin: 65px 0 16px; font: 500 18px/1.2 "Space Grotesk", sans-serif; }
.evidence-grid p { margin: 0; color: #7e8580; font-size: 11px; line-height: 1.62; }

.development-section { padding: 145px 0 135px; border-bottom: 1px solid var(--line); background: var(--black); }
.development-heading { display: grid; grid-template-columns: 1.35fr .65fr; gap: 100px; align-items: end; }
.development-heading h2 { margin: 22px 0 0; font: 500 clamp(48px, 5vw, 76px)/1.03 "Space Grotesk", sans-serif; letter-spacing: -.05em; }
.development-heading > div:last-child > p:first-child { margin: 0; color: #8e9590; font-size: 15px; line-height: 1.72; }
.development-status { margin: 31px 0 0; display: flex; align-items: center; gap: 10px; color: #747b76; font: 400 9px "IBM Plex Mono", monospace; text-transform: uppercase; letter-spacing: .07em; }
.development-status span { width: 6px; height: 6px; border-radius: 50%; background: var(--lime); }
.development-timeline { margin-top: 92px; padding: 0; display: grid; grid-template-columns: repeat(5,1fr); list-style: none; }
.development-timeline li { position: relative; min-height: 350px; padding: 0 28px; border-right: 1px solid #303630; }
.development-timeline li:first-child { border-left: 1px solid #303630; }
.development-timeline li > span { color: var(--lime); font: 500 10px "IBM Plex Mono", monospace; }
.timeline-marker { position: relative; width: calc(100% + 56px); height: 1px; margin: 56px 0 52px -28px; background: #303630; }
.timeline-marker::before { content: ""; position: absolute; left: 28px; top: -5px; width: 9px; height: 9px; border: 1px solid var(--lime); background: var(--black); transform: rotate(45deg); }
.development-timeline h3 { margin: 0 0 20px; font: 500 24px "Space Grotesk", sans-serif; }
.development-timeline p { margin: 0; color: #818883; font-size: 12px; line-height: 1.68; }
.validation-note { margin-top: 80px; padding: 31px 35px; display: grid; grid-template-columns: .35fr 1.65fr; gap: 45px; border: 1px solid #3a413a; background: rgba(183,255,57,.02); }
.validation-note strong { color: var(--lime); font: 500 10px "IBM Plex Mono", monospace; text-transform: uppercase; letter-spacing: .07em; }
.validation-note p { margin: 0; color: #a7aea9; font-size: 14px; line-height: 1.65; }

.faq-section { padding-block: 145px; display: grid; grid-template-columns: .75fr 1.25fr; gap: 125px; border-bottom: 1px solid var(--line); }
.faq-intro h2 { margin: 23px 0 30px; font: 500 clamp(44px, 4vw, 64px)/1.04 "Space Grotesk", sans-serif; letter-spacing: -.045em; }
.faq-intro > p:last-child { max-width: 450px; margin: 0; color: #8a918c; font-size: 14px; line-height: 1.72; }
.faq-list { border-top: 1px solid #303630; }
.faq-list details { border-bottom: 1px solid #303630; }
.faq-list summary { min-height: 96px; padding: 0 3px; display: grid; grid-template-columns: 50px 1fr 24px; gap: 18px; align-items: center; color: #dce0dc; font: 500 19px "Space Grotesk", sans-serif; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { color: var(--lime); font: 500 9px "IBM Plex Mono", monospace; }
.faq-list summary i { position: relative; width: 17px; height: 17px; }
.faq-list summary i::before, .faq-list summary i::after { content: ""; position: absolute; left: 0; top: 8px; width: 17px; height: 1px; background: #909792; transition: transform 180ms ease; }
.faq-list summary i::after { transform: rotate(90deg); }
.faq-list details[open] summary i::after { transform: rotate(0); }
.faq-list details > p { max-width: 690px; margin: -5px 40px 0 68px; padding: 0 0 35px; color: #858c87; font-size: 13px; line-height: 1.75; }

.contact-section { position: relative; min-height: 680px; display: grid; place-items: center; overflow: hidden; background: #070908; border-bottom: 1px solid var(--line); }
.contact-grid { inset: 0; opacity: .55; mask-image: radial-gradient(circle at center, #000, transparent 70%); }
.contact-inner { position: relative; z-index: 2; text-align: center; display: flex; flex-direction: column; align-items: center; }
.contact-inner h2 { font-size: clamp(57px, 6vw, 92px); }
.contact-inner > p:not(.eyebrow) { max-width: 560px; margin: 30px auto 0; color: #8f9691; font-size: 16px; line-height: 1.65; }
.contact-inputs { max-width: 900px; margin-top: 32px; display: flex; justify-content: center; flex-wrap: wrap; gap: 8px; }
.contact-inputs span { padding: 9px 13px; color: #858c87; border: 1px solid #303630; background: rgba(7,9,8,.6); font: 400 8px "IBM Plex Mono", monospace; text-transform: uppercase; letter-spacing: .05em; }
.contact-button { margin-top: 36px; }
.contact-email { margin-top: 32px; color: #aeb5b0; font: 400 12px "IBM Plex Mono", monospace; }

.site-footer { min-height: 112px; display: grid; grid-template-columns: 1fr 1fr 1fr; align-items: center; color: var(--muted); font-size: 11px; }
.site-footer .brand { color: var(--white); transform: scale(.82); transform-origin: left center; }
.site-footer p:nth-child(2) { justify-self: center; }
.site-footer p:last-child { justify-self: end; font-family: "IBM Plex Mono", monospace; text-transform: uppercase; }

@keyframes mineral-reveal {
  from { opacity: 0; transform: scale(1.03); filter: brightness(.7); }
  to { opacity: 1; transform: scale(1); filter: brightness(1); }
}

@keyframes reveal-up {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-copy > * { animation: reveal-up 720ms cubic-bezier(.2,.75,.25,1) both; }
.hero-copy > :nth-child(1) { animation-delay: 120ms; }
.hero-copy > :nth-child(2) { animation-delay: 190ms; }
.hero-copy > :nth-child(3) { animation-delay: 270ms; }
.hero-copy > :nth-child(4) { animation-delay: 350ms; }
.hero-copy > :nth-child(5) { animation-delay: 430ms; }

@media (max-width: 1200px) {
  :root { --shell: min(100% - 64px, 1460px); }
  .header-meta .status { display: none; }
  .hero-copy { width: 53vw; }
  .hero h1 { font-size: clamp(58px, 6.2vw, 76px); }
  .hero-art { left: 34%; }
  .process-rail { padding-inline: 32px; }
  .process-rail li { padding-inline: 24px; }
  .service-section { gap: 80px; }
  .responsibility-panel { gap: 80px; }
  .about-detail-section { gap: 60px; }
  .fit-heading { grid-template-columns: 1fr 2fr; }
  .fit-heading > p:last-child { grid-column: 2; }
  .fit-content { gap: 50px; }
  .engineering-layers { gap: 55px; }
  .faq-section { gap: 70px; }
}

@media (max-width: 900px) {
  :root { --shell: min(100% - 40px, 720px); }
  .hero { height: auto; min-height: 980px; max-height: none; }
  .site-header { grid-template-columns: 1fr auto; }
  .desktop-nav, .header-meta { display: none; }
  .mobile-menu { display: block; justify-self: end; }
  .mobile-menu summary { width: 36px; height: 36px; display: grid; place-content: center; gap: 7px; list-style: none; cursor: pointer; }
  .mobile-menu summary::-webkit-details-marker { display: none; }
  .mobile-menu summary span { width: 24px; height: 1px; background: var(--white); transition: transform 180ms ease; }
  .mobile-menu[open] summary span:first-child { transform: translateY(4px) rotate(45deg); }
  .mobile-menu[open] summary span:last-child { transform: translateY(-4px) rotate(-45deg); }
  .mobile-menu nav { position: absolute; left: 0; right: 0; top: 74px; padding: 24px 20px 32px; display: flex; flex-direction: column; gap: 18px; background: rgba(7,9,8,.98); border-bottom: 1px solid var(--line); }
  .mobile-menu nav a { font: 500 25px "Space Grotesk", sans-serif; }
  .hero-content { height: auto; min-height: 815px; padding: 72px 0 360px; align-items: flex-start; }
  .hero-copy { width: 100%; }
  .hero h1 { max-width: 680px; font-size: clamp(50px, 10vw, 76px); }
  .hero-art { inset: auto -28% 126px 0; height: 470px; background-size: cover; background-position: 63% center; }
  .hero-vignette { background: linear-gradient(180deg, var(--black) 0%, rgba(7,9,8,.3) 23%, transparent 55%), linear-gradient(90deg, rgba(7,9,8,.65), transparent 40%); }
  .data-callout, .target { display: none; }
  .process-rail { height: 126px; padding-inline: 20px; grid-template-columns: repeat(4, minmax(205px, 1fr)); overflow-x: auto; scroll-snap-type: x mandatory; }
  .process-rail li { scroll-snap-align: start; }
  .intro-section { grid-template-columns: 1fr; gap: 34px; padding-block: 90px; }
  .section-code { display: none; }
  .intro-text { max-width: 590px; }
  .about-detail-section { grid-template-columns: 1fr; padding-bottom: 90px; }
  .operator-definition { min-height: 430px; }
  .operator-content { padding-top: 0; }
  .operator-columns { gap: 30px; }
  .technology-section, .impact-section { padding-block: 90px; }
  .section-heading { grid-template-columns: 1fr; gap: 32px; }
  .section-heading > p { justify-self: start; }
  .process-system { min-height: 870px; grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1.35fr; }
  .reactor-visual { grid-column: 1 / -1; grid-row: 2; border: 0; border-top: 1px solid #303630; }
  .process-node { padding: 42px; }
  .output-node { border-left: 1px solid #303630; }
  .flow-line { display: none; }
  .engineering-layers { margin-top: 80px; grid-template-columns: 1fr; gap: 45px; }
  .fit-section { padding-block: 90px; }
  .fit-heading { grid-template-columns: 1fr; gap: 28px; }
  .fit-heading > p:last-child { grid-column: auto; }
  .fit-content { margin-top: 60px; grid-template-columns: 1fr; }
  .priority-card { min-height: auto; }
  .fit-criteria { margin-top: 10px; }
  .service-section { padding-block: 90px; grid-template-columns: 1fr; gap: 70px; }
  .responsibility-panel { grid-template-columns: 1fr; gap: 45px; padding-top: 55px; }
  .value-grid { grid-template-columns: 1fr; }
  .value-grid article { border-right: 0; border-bottom: 1px solid #303630; }
  .value-grid article:last-child { border-bottom: 0; }
  .application-line { align-items: flex-start; gap: 30px; }
  .application-line ul { flex-direction: column; gap: 14px; }
  .evidence-grid { grid-template-columns: 1fr 1fr; }
  .evidence-grid article:nth-child(2) { border-right: 0; }
  .evidence-grid article:nth-child(-n+2) { border-bottom: 1px solid #303630; }
  .development-section { padding-block: 90px; }
  .development-heading { grid-template-columns: 1fr; gap: 38px; }
  .development-timeline { margin-top: 65px; grid-template-columns: 1fr; }
  .development-timeline li { min-height: 0; padding: 26px 20px 34px 70px; border-right: 0; border-left: 1px solid #303630; }
  .development-timeline li:first-child { border-left: 1px solid #303630; }
  .timeline-marker { position: absolute; left: -1px; top: 24px; width: 1px; height: calc(100% + 1px); margin: 0; }
  .timeline-marker::before { left: -5px; top: 3px; }
  .development-timeline li > span { position: absolute; left: 22px; top: 29px; }
  .development-timeline h3 { margin-top: 0; }
  .faq-section { padding-block: 90px; grid-template-columns: 1fr; gap: 60px; }
  .site-footer { padding-block: 35px; grid-template-columns: 1fr 1fr; gap: 24px; }
  .site-footer p:nth-child(2) { display: none; }
}

@media (max-width: 540px) {
  :root { --shell: calc(100% - 32px); }
  .hero { min-height: 1000px; }
  .brand-word { font-size: 16px; }
  .brand-mark { font-size: 22px; }
  .hero-content { min-height: 830px; padding-top: 57px; }
  .eyebrow { font-size: 10px; }
  .hero h1 { margin-top: 20px; font-size: clamp(46px, 14.4vw, 64px); letter-spacing: -.06em; }
  .hero-lede { max-width: 92%; font-size: 15px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .button { justify-content: space-between; }
  .proof-line { align-items: flex-start; font-size: 12px; line-height: 1.5; }
  .hero-art { height: 405px; left: -25%; right: -55%; background-position: 71% center; }
  .intro-copy h2, .section-heading h2, .service-sticky h2 { font-size: 42px; }
  .operator-columns, .position-strip { grid-template-columns: 1fr; }
  .position-strip div { border-right: 0; border-bottom: 1px solid #303630; }
  .position-strip div:last-child { border-bottom: 0; }
  .operator-content > h2 { font-size: 40px; }
  .process-system { min-height: 960px; grid-template-columns: 1fr; grid-template-rows: auto auto auto; }
  .input-node, .output-node { padding: 36px 25px; }
  .output-node { border-left: 0; border-top: 1px solid #303630; }
  .reactor-visual { grid-column: 1; grid-row: 2; height: 430px; }
  .reactor-frame { transform: scale(.82); }
  .layers-grid { grid-template-columns: 1fr; }
  .layers-grid article { border-right: 0; }
  .priority-card { padding: 27px 23px; }
  .priority-kicker { margin-top: 65px; }
  .priority-card h3 { font-size: 38px; }
  .fit-criteria article { grid-template-columns: 45px 1fr; }
  .boundary-note { grid-template-columns: 1fr; gap: 18px; }
  .service-list article { grid-template-columns: 1fr; }
  .service-list article > span, .service-list h3, .service-list p { grid-column: 1; }
  .service-list h3 { margin-top: 23px; }
  .responsibility-grid { grid-template-columns: 1fr; }
  .responsibility-grid div { border-right: 0; }
  .application-line { flex-direction: column; }
  .evidence-grid { grid-template-columns: 1fr; }
  .evidence-grid article, .evidence-grid article:nth-child(2) { border-right: 0; border-bottom: 1px solid #303630; }
  .evidence-grid article:last-child { border-bottom: 0; }
  .validation-note { grid-template-columns: 1fr; gap: 18px; }
  .faq-list summary { min-height: 86px; grid-template-columns: 35px 1fr 20px; gap: 10px; font-size: 16px; }
  .faq-list details > p { margin-left: 45px; margin-right: 15px; }
  .contact-section { min-height: 590px; }
  .contact-inner h2 { font-size: 49px; }
  .site-footer { grid-template-columns: 1fr; }
  .site-footer p:last-child { justify-self: start; }
}

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