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

:root {
  --bg: #07110f;
  --bg-soft: #0b1916;
  --panel: rgba(16, 35, 30, 0.72);
  --line: rgba(210, 235, 222, 0.16);
  --text: #f2f6f2;
  --muted: #9fb0a9;
  --lime: #c7ff4a;
  --aqua: #68e4c1;
  --max: 1180px;
  --radius: 22px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 82% 8%, rgba(104, 228, 193, 0.12), transparent 26rem),
    radial-gradient(circle at 5% 40%, rgba(199, 255, 74, 0.07), transparent 28rem),
    var(--bg);
  font-family: "DM Sans", system-ui, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.35), transparent 70%);
  opacity: .25;
}

a { color: inherit; text-decoration: none; }

.skip-link {
  position: fixed;
  top: -100px;
  left: 16px;
  z-index: 100;
  padding: 10px 16px;
  color: var(--bg);
  background: var(--lime);
}

.skip-link:focus { top: 16px; }

.noise {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: .028;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.65'/%3E%3C/svg%3E");
}

.site-header {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
  min-height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand { display: flex; align-items: center; gap: 13px; font-weight: 600; }

.brand-mark {
  width: 39px;
  height: 39px;
  display: grid;
  place-items: center;
  color: var(--bg);
  background: var(--lime);
  border-radius: 50%;
  font: 700 13px/1 "Space Grotesk", sans-serif;
}

.site-header nav { display: flex; align-items: center; gap: 30px; }
.site-header nav a { color: var(--muted); font-size: 14px; transition: color .2s; }
.site-header nav a:hover { color: var(--text); }
.site-header .nav-cta { color: var(--bg); background: var(--text); padding: 9px 17px; border-radius: 99px; }
.site-header .nav-cta:hover { color: var(--bg); background: var(--lime); }

main, footer { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }

.hero {
  min-height: 690px;
  display: grid;
  grid-template-columns: 1.38fr .72fr;
  align-items: center;
  gap: clamp(40px, 8vw, 110px);
  padding: 80px 0 90px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 22px;
  color: var(--aqua);
  font: 600 12px/1 "Space Grotesk", sans-serif;
  letter-spacing: .15em;
  text-transform: uppercase;
}

.eyebrow span { width: 25px; height: 1px; background: currentColor; }

h1, h2, h3 { font-family: "Space Grotesk", sans-serif; letter-spacing: -.04em; }

h1 {
  margin: 0;
  font-size: clamp(52px, 7.4vw, 98px);
  line-height: .97;
  font-weight: 600;
}

h1 em { color: var(--lime); font-style: normal; }

.hero-intro {
  max-width: 700px;
  margin: 34px 0 0;
  color: #bdc9c3;
  font-size: clamp(17px, 1.65vw, 21px);
  line-height: 1.7;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 38px; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border: 1px solid var(--line);
  border-radius: 99px;
  font-weight: 600;
  transition: transform .2s, border-color .2s, background .2s;
}

.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--bg); background: var(--lime); border-color: var(--lime); }
.button-primary span { margin-left: 18px; }
.button-ghost:hover { border-color: var(--aqua); background: rgba(104, 228, 193, .07); }

.hero-panel {
  position: relative;
  min-height: 450px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: linear-gradient(145deg, rgba(21,49,41,.92), rgba(9,24,20,.82));
  border: 1px solid var(--line);
  border-radius: 30px;
  box-shadow: 0 35px 100px rgba(0,0,0,.32);
  overflow: hidden;
}

.hero-panel::after {
  content: "";
  position: absolute;
  width: 280px;
  height: 280px;
  right: -100px;
  top: -100px;
  border: 1px solid rgba(199,255,74,.22);
  border-radius: 50%;
  box-shadow: 0 0 0 35px rgba(199,255,74,.025), 0 0 0 70px rgba(199,255,74,.018);
}

.status { display: flex; align-items: center; gap: 9px; color: var(--muted); font-size: 13px; }
.status span { width: 8px; height: 8px; background: var(--lime); border-radius: 50%; box-shadow: 0 0 18px var(--lime); }
.monogram { align-self: center; font: 600 clamp(86px, 10vw, 138px)/1 "Space Grotesk"; letter-spacing: -.1em; }
.monogram span { color: var(--lime); }
.hero-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; border-top: 1px solid var(--line); padding-top: 22px; }
.hero-meta small { display: block; margin-bottom: 3px; color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .1em; }
.hero-meta strong { font-size: 14px; }

.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.metrics article { padding: 35px 24px; border-right: 1px solid var(--line); }
.metrics article:first-child { padding-left: 0; }
.metrics article:last-child { border-right: 0; }
.metrics strong { display: block; color: var(--lime); font: 600 42px/1 "Space Grotesk"; letter-spacing: -.05em; }
.metrics span { display: block; margin-top: 12px; color: var(--muted); font-size: 13px; }

.section { padding: 130px 0; border-bottom: 1px solid var(--line); }
.section-heading { max-width: 770px; margin-bottom: 58px; }
.section-heading h2, .research h2 {
  margin: 0;
  font-size: clamp(40px, 5.4vw, 70px);
  line-height: 1.05;
  font-weight: 600;
}
.section-heading > p:last-child, .research-copy > p {
  max-width: 650px;
  margin: 25px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.card {
  min-height: 360px;
  padding: 34px;
  display: flex;
  flex-direction: column;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform .25s, border-color .25s;
}
.card:hover { transform: translateY(-5px); border-color: rgba(104,228,193,.45); }
.card-accent { background: linear-gradient(145deg, rgba(199,255,74,.13), rgba(16,35,30,.8)); }
.card-index { color: var(--aqua); font: 600 12px "Space Grotesk"; letter-spacing: .12em; }
.card h3 { margin: 58px 0 14px; font-size: 30px; }
.card p { max-width: 530px; margin: 0; color: var(--muted); font-size: 16px; }
.tag-list { margin: auto 0 0; padding: 28px 0 0; display: flex; flex-wrap: wrap; gap: 8px; list-style: none; }
.tag-list li { padding: 7px 10px; color: #cbd7d1; background: rgba(255,255,255,.035); border: 1px solid var(--line); border-radius: 7px; font-size: 12px; }

.journey { display: grid; grid-template-columns: .72fr 1.28fr; gap: 80px; }
.journey .section-heading { position: sticky; top: 50px; align-self: start; }
.timeline { border-top: 1px solid var(--line); }
.timeline-item { display: grid; grid-template-columns: 155px 1fr; gap: 25px; padding: 34px 0 38px; border-bottom: 1px solid var(--line); }
.timeline-date { color: var(--aqua); font: 500 12px/1.5 "Space Grotesk"; text-transform: uppercase; letter-spacing: .08em; }
.timeline h3 { margin: 0 0 12px; font-size: 24px; }
.timeline p { margin: 0; color: var(--muted); }

.research { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; align-items: center; }
.link-row { display: flex; gap: 26px; margin-top: 35px; }
.link-row a { padding-bottom: 4px; border-bottom: 1px solid var(--aqua); font-weight: 600; }
.research-topics { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 10px; }
.research-topics span { padding: 13px 17px; color: #dce6e0; background: rgba(104,228,193,.07); border: 1px solid rgba(104,228,193,.22); border-radius: 99px; }
.research-topics span:nth-child(3n+1) { border-color: rgba(199,255,74,.28); background: rgba(199,255,74,.06); }

.credentials { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; align-items: end; }
.credentials .section-heading { margin: 0; }
.credential-list { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 10px; }
.credential-list span { padding: 15px 20px; color: var(--muted); border: 1px solid var(--line); border-radius: 10px; }

.contact { padding: 110px clamp(28px, 7vw, 84px); margin: 90px auto; background: var(--lime); border-radius: 28px; color: var(--bg); }
.contact p { max-width: 800px; margin: 0 0 30px; font: 600 clamp(30px, 4vw, 54px)/1.12 "Space Grotesk"; letter-spacing: -.04em; }
.contact a { font-weight: 600; border-bottom: 2px solid var(--bg); }

footer {
  min-height: 120px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--muted);
  font-size: 13px;
}
footer div { display: flex; flex-wrap: wrap; gap: 22px; }
footer a:hover { color: var(--lime); }

.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.js .reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
}

@media (max-width: 900px) {
  .site-header nav a:not(.nav-cta) { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 70px; }
  .hero-panel { min-height: 380px; }
  .metrics { grid-template-columns: 1fr 1fr; }
  .metrics article:nth-child(2) { border-right: 0; }
  .metrics article:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .metrics article:first-child { padding-left: 24px; }
  .journey, .research, .credentials { grid-template-columns: 1fr; gap: 50px; }
  .journey .section-heading { position: static; }
  .research-topics, .credential-list { justify-content: flex-start; }
}

@media (max-width: 620px) {
  .site-header, main, footer { width: min(calc(100% - 28px), var(--max)); }
  .site-header { min-height: 76px; }
  .brand-name { display: none; }
  .hero { min-height: auto; padding: 60px 0 75px; }
  h1 { font-size: clamp(48px, 15vw, 70px); }
  .hero-intro { font-size: 17px; }
  .hero-panel { min-height: 340px; }
  .hero-meta { grid-template-columns: 1fr; }
  .metrics article { padding: 25px 16px; }
  .metrics article:first-child { padding-left: 16px; }
  .metrics strong { font-size: 34px; }
  .section { padding: 90px 0; }
  .cards { grid-template-columns: 1fr; }
  .card { min-height: 330px; padding: 26px; }
  .timeline-item { grid-template-columns: 1fr; gap: 10px; }
  .contact { margin: 65px auto; padding: 60px 24px; }
  footer { padding: 30px 0; align-items: flex-start; flex-direction: column; gap: 18px; }
}