@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  --lime: #D6FF00;
  --black: #0A0A0A;
  --green: #0F6B3A;
  --grey: #666666;
  --light: #F2F2EE;
  --white: #FFFFFF;
  --line: rgba(10,10,10,.14);
  --display: "ITC Avant Garde Gothic Std", "Avant Garde Gothic", "URW Gothic", "Arial Black", Arial, sans-serif;
  --body: "Space Grotesk", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--light);
  color: var(--black);
  font-family: var(--body);
  line-height: 1.45;
}
a { color: inherit; text-decoration: none; }
::selection { background: var(--lime); color: var(--black); }

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  width: 100%;
  height: 82px;
  padding: 0 42px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  mix-blend-mode: normal;
  background: rgba(10,10,10,.92);
  color: var(--white);
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.brand { display: flex; align-items: baseline; gap: 18px; }
.brand-word, .footer-logo {
  font-family: var(--display);
  font-weight: 700;
  font-style: italic;
  letter-spacing: -2px;
  color: var(--white);
}
.brand-word { font-size: 30px; }
.brand-tag { color: var(--lime); font-size: 10px; letter-spacing: 2px; }
.nav { display: flex; gap: 34px; font-size: 13px; text-transform: uppercase; letter-spacing: 1.5px; }
.nav a { opacity: .8; transition: .2s ease; }
.nav a:hover { color: var(--lime); opacity: 1; }
.menu-toggle { display:none; }

.hero {
  min-height: 100vh;
  position: relative;
  overflow: hidden;
  background: var(--green);
  color: var(--white);
  display: flex;
  align-items: center;
  padding: 150px 8vw 100px;
}
.hero-grid {
  position:absolute; inset:0; opacity:.14;
  background-image:
    linear-gradient(rgba(214,255,0,.7) 1px, transparent 1px),
    linear-gradient(90deg, rgba(214,255,0,.7) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(90deg, black, transparent 72%);
}
.hero-contour {
  position:absolute;
  width: 70vw; height: 70vw; right:-28vw; bottom:-32vw;
  border: 2px solid rgba(214,255,0,.35);
  border-radius: 50%;
  box-shadow: 0 0 0 80px rgba(214,255,0,.05),
              0 0 0 160px rgba(214,255,0,.04),
              0 0 0 240px rgba(214,255,0,.03);
}
.hero-content { position:relative; z-index:2; max-width:760px; }
.eyebrow { margin:0 0 20px; font-size:11px; font-weight:700; letter-spacing:2.5px; text-transform:uppercase; }
.eyebrow.lime { color:var(--lime); }
.hero h1, h2 {
  font-family: var(--display);
  font-style: italic;
  font-weight: 700;
  letter-spacing: -4px;
  line-height: .9;
  margin: 0;
}
.hero h1 { font-size: clamp(70px, 11vw, 150px); }
.hero h1 em, h2 span { color: var(--lime); font-style:inherit; }
.hero-copy { max-width:560px; margin:34px 0; font-size:18px; color:rgba(255,255,255,.82); }
.hero-actions { display:flex; align-items:center; gap:28px; }
.button {
  display:inline-flex; gap:18px; align-items:center; padding:15px 20px;
  font-size:12px; font-weight:700; text-transform:uppercase; letter-spacing:1.5px;
}
.button-dark { background:var(--lime); color:var(--black); }
.button-dark:hover { background:white; }
.text-link { font-size:13px; text-transform:uppercase; letter-spacing:1.5px; }
.text-link span { color:var(--lime); margin-left:8px; }
.hero-mark {
  position:absolute; right:8vw; top:50%; transform:translateY(-50%);
  width:180px; height:180px; border:1px solid rgba(214,255,0,.5);
  display:grid; place-items:center;
}
.hero-mark span {
  font-family:var(--display); font-size:130px; font-style:italic; font-weight:700;
  color:var(--lime); line-height:1;
}
.hero-mark small { position:absolute; right:10px; top:10px; font-size:10px; color:var(--lime); }
.scroll-note { position:absolute; bottom:32px; left:8vw; font-size:10px; letter-spacing:2px; color:var(--lime); }

.section-dark { background:var(--black); color:var(--white); }
.section-light { background:var(--light); }
.section-lime { background:var(--lime); color:var(--black); }
.intro, .capabilities, .process, .contact { padding:120px 8vw; }
.intro {
  display:grid; grid-template-columns:80px 1.2fr 1fr; gap:45px; align-items:start;
}
.section-number { color:var(--lime); font-size:11px; font-weight:700; letter-spacing:2px; }
.intro h2, .section-heading h2, .capabilities h2, .contact h2 { font-size:clamp(50px, 7vw, 94px); }
.intro-copy { max-width:520px; font-size:17px; color:rgba(255,255,255,.72); }
.intro-copy .muted { color:var(--lime); font-size:13px; margin-top:30px; text-transform:uppercase; letter-spacing:1px; }

.work { padding:120px 8vw; }
.section-heading { display:grid; grid-template-columns:1.1fr .9fr; gap:60px; align-items:end; margin-bottom:65px; }
.section-intro { max-width:440px; color:var(--grey); font-size:16px; }
.work-grid { display:grid; grid-template-columns:1.35fr 1fr 1fr; gap:20px; }
.work-card { min-width:0; }
.work-visual { height:430px; position:relative; overflow:hidden; background:var(--green); }
.work-card-featured .work-visual { height:510px; }
.drawing-label { position:absolute; top:20px; left:20px; font-size:10px; letter-spacing:2px; color:var(--lime); }
.visual-cad {
  background:
    linear-gradient(rgba(214,255,0,.15) 1px, transparent 1px),
    linear-gradient(90deg, rgba(214,255,0,.15) 1px, transparent 1px),
    var(--green);
  background-size:28px 28px;
}
.cad-circle { position:absolute; width:270px; height:270px; border:2px solid var(--lime); border-radius:50%; left:50%; top:50%; transform:translate(-50%,-50%); }
.cad-circle:after { content:""; position:absolute; inset:40px; border:1px solid var(--lime); border-radius:50%; }
.cad-cross:before, .cad-cross:after { content:""; position:absolute; background:var(--lime); opacity:.6; }
.cad-cross:before { width:360px; height:1px; left:calc(50% - 180px); top:50%; }
.cad-cross:after { height:360px; width:1px; left:50%; top:calc(50% - 180px); }
.visual-proto { background:var(--black); }
.proto-box { width:210px; height:160px; border:2px solid var(--lime); position:absolute; left:50%; top:50%; transform:translate(-50%,-50%) rotate(-12deg); box-shadow:35px 25px 0 rgba(214,255,0,.12); }
.visual-engineering { background:#E3E3DD; }
.eng-part { position:absolute; width:210px; height:210px; border:2px solid var(--black); border-radius:50%; left:50%; top:50%; transform:translate(-50%,-50%); box-shadow: inset 0 0 0 45px transparent; }
.eng-part:before { content:""; position:absolute; inset:55px; border:2px solid var(--black); border-radius:50%; }
.eng-part:after { content:""; position:absolute; width:280px; height:1px; background:var(--black); left:-35px; top:104px; }
.visual-engineering .drawing-label { color:var(--black); }
.work-meta { display:grid; grid-template-columns:45px 1fr; padding:24px 0 0; border-bottom:1px solid var(--line); min-height:105px; }
.work-meta > span { color:var(--grey); font-size:11px; }
.work-meta h3 { margin:0 0 6px; font-size:17px; }
.work-meta p { margin:0; color:var(--grey); font-size:13px; }

.capabilities { display:grid; grid-template-columns:80px .75fr 1.25fr; gap:45px; }
.capability-list { border-top:1px solid rgba(10,10,10,.3); }
.capability-list > div {
  display:grid; grid-template-columns:45px 1fr; gap:10px;
  padding:18px 0; border-bottom:1px solid rgba(10,10,10,.3);
}
.capability-list span { font-size:11px; }
.capability-list strong { display:block; font-size:17px; }
.capability-list small { display:block; grid-column:2; color:rgba(10,10,10,.6); margin-top:-7px; }

.process .section-heading { margin-bottom:55px; }
.process-grid { display:grid; grid-template-columns:repeat(4,1fr); border-top:1px solid rgba(255,255,255,.18); }
.process-step { padding:28px 25px 20px 0; border-right:1px solid rgba(255,255,255,.18); }
.process-step:not(:first-child) { padding-left:25px; }
.process-step:last-child { border-right:0; }
.process-step span { color:var(--lime); font-size:11px; }
.process-step h3 { font-size:25px; margin:55px 0 10px; }
.process-step p { color:rgba(255,255,255,.6); font-size:14px; max-width:230px; }

.contact-panel {
  background:var(--lime); padding:75px 7vw; display:grid; grid-template-columns:1fr 1fr; gap:60px;
  position:relative; overflow:hidden;
}
.contact-panel:after {
  content:"N"; position:absolute; right:-30px; bottom:-100px;
  font-family:var(--display); font-style:italic; font-size:420px; font-weight:700;
  color:rgba(10,10,10,.06); line-height:1;
}
.contact-details { max-width:470px; position:relative; z-index:2; }
.contact-details p { font-size:16px; max-width:420px; margin-top:0; }
.contact-email { display:inline-block; font-size:clamp(24px,3vw,42px); font-weight:600; border-bottom:2px solid var(--black); margin:30px 0; }
.domains { display:flex; gap:24px; font-size:12px; text-transform:uppercase; letter-spacing:1.5px; }
.domains a:hover { text-decoration:underline; }

.site-footer {
  background:var(--black); color:var(--white); min-height:120px; padding:30px 8vw;
  display:grid; grid-template-columns:1fr 1fr 1fr; align-items:center; font-size:10px; letter-spacing:1.8px;
}
.footer-logo { color:var(--lime); font-size:28px; }

@media (max-width: 900px) {
  .site-header { padding:0 24px; }
  .nav { display:none; position:absolute; top:82px; left:0; width:100%; padding:25px; background:var(--black); flex-direction:column; }
  .nav.open { display:flex; }
  .menu-toggle { display:block; background:none; border:0; width:42px; height:42px; }
  .menu-toggle span { display:block; height:2px; background:var(--lime); margin:7px; }
  .hero { padding:150px 24px 100px; }
  .hero-mark { opacity:.25; right:-30px; }
  .scroll-note { left:24px; }
  .intro, .capabilities { grid-template-columns:1fr; gap:25px; padding:85px 24px; }
  .section-number { display:none; }
  .work, .process, .contact { padding:85px 24px; }
  .section-heading { grid-template-columns:1fr; gap:25px; }
  .work-grid { grid-template-columns:1fr; }
  .work-card-featured .work-visual, .work-visual { height:390px; }
  .process-grid { grid-template-columns:1fr 1fr; }
  .process-step:nth-child(2) { border-right:0; }
  .process-step:nth-child(3), .process-step:nth-child(4) { border-top:1px solid rgba(255,255,255,.18); }
  .contact-panel { grid-template-columns:1fr; padding:55px 30px; }
  .site-footer { grid-template-columns:1fr; gap:12px; }
}
@media (max-width: 560px) {
  .brand-tag { display:none; }
  .hero h1 { font-size:68px; }
  .hero-copy { font-size:16px; }
  .hero-actions { align-items:flex-start; flex-direction:column; gap:20px; }
  .hero-mark { width:130px; height:130px; top:30%; }
  .hero-mark span { font-size:95px; }
  .process-grid { grid-template-columns:1fr; }
  .process-step, .process-step:not(:first-child) { border-right:0; border-bottom:1px solid rgba(255,255,255,.18); padding:25px 0; }
  .process-step h3 { margin-top:35px; }
  .domains { flex-direction:column; gap:8px; }
}