:root {
  --ink: #101018;
  --acid: #b9ff4a;
  --violet: #6f42ff;
  --cyan: #45e0ff;
  --paper: #f6f8fb;
  --muted: #6d7280;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
}

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

.lab-hero {
  min-height: 820px;
  padding: 30px clamp(18px, 5vw, 78px) 88px;
  color: white;
  background:
    radial-gradient(circle at 78% 34%, rgba(185, 255, 74, 0.22), transparent 30%),
    linear-gradient(135deg, #101018, #251b56 58%, #101018);
}

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  font-weight: 900;
  letter-spacing: 0.16em;
}

.nav-links {
  display: flex;
  gap: 28px;
  color: #d7d3ff;
}

button {
  padding: 12px 16px;
  border: 0;
  border-radius: 999px;
  color: var(--ink);
  background: var(--acid);
  cursor: pointer;
  font-weight: 900;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) 360px;
  gap: 70px;
  align-items: center;
  padding-top: 105px;
}

.label {
  margin: 0 0 18px;
  color: var(--acid);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 26px;
  font-size: clamp(44px, 7vw, 98px);
  line-height: 0.94;
  letter-spacing: -0.06em;
}

.hero p:last-child,
.cards p,
.route-copy p,
.result-grid p,
.formula p,
footer p,
address span {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.75;
}

.hero p:last-child {
  max-width: 760px;
  color: #d7d3ff;
  font-size: 21px;
}

.beaker {
  position: relative;
  display: grid;
  place-items: end center;
  min-height: 440px;
  padding: 40px;
  border: 3px solid rgba(255, 255, 255, 0.35);
  border-radius: 36px 36px 90px 90px;
  overflow: hidden;
}

.beaker span {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 56%;
  background: linear-gradient(160deg, var(--cyan), var(--acid));
}

.beaker b {
  position: relative;
  z-index: 1;
  color: var(--ink);
  font-size: 34px;
  text-transform: uppercase;
}

.experiment-table,
.guard-route,
.test-results,
.formula,
footer {
  padding: 94px clamp(18px, 5vw, 78px);
}

h2 {
  font-size: clamp(34px, 5vw, 68px);
  line-height: 1;
  letter-spacing: -0.045em;
}

.experiment-table {
  background: white;
}

.experiment-table .label,
.guard-route .label,
.test-results .label,
footer .label {
  color: var(--violet);
}

.cards {
  display: grid;
  grid-template-columns: 1fr 1.2fr 1fr;
  gap: 18px;
  margin-top: 38px;
}

.cards article {
  min-height: 340px;
  padding: 30px;
  border-radius: 36px;
  background: var(--paper);
}

.cards article:nth-child(2) {
  transform: translateY(40px);
  background: #eefcff;
}

.cards span {
  color: var(--violet);
  font-weight: 900;
  text-transform: uppercase;
}

.cards h3 {
  margin-top: 18px;
  font-size: 30px;
}

.guard-route {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 48px;
  color: white;
  background: var(--ink);
}

.route-copy p {
  color: #d7d3ff;
}

.route-line {
  display: grid;
  gap: 14px;
  align-content: center;
}

.route-line span {
  padding: 20px;
  border-radius: 999px;
  color: var(--ink);
  background: var(--acid);
  font-size: 22px;
  font-weight: 900;
  text-align: center;
  text-transform: uppercase;
}

.route-line span:nth-child(even) {
  margin-left: 70px;
  background: var(--cyan);
}

.test-results {
  background: #eef0ff;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 34px;
}

.result-grid div {
  padding: 28px;
  border-top: 8px solid var(--violet);
  background: white;
}

.result-grid b {
  display: block;
  margin-bottom: 18px;
  color: var(--violet);
  font-size: 28px;
}

.formula {
  color: var(--ink);
  background: linear-gradient(90deg, var(--acid), var(--cyan));
}

.formula p {
  max-width: 1030px;
  color: #29303b;
  font-size: 24px;
  line-height: 1.6;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 42px;
  background: white;
}

address {
  display: grid;
  gap: 12px;
  min-width: min(100%, 420px);
  padding: 30px;
  border-radius: 30px;
  color: white;
  background: var(--ink);
  font-style: normal;
}

address a {
  color: var(--acid);
  font-size: 24px;
  font-weight: 900;
}

address span {
  color: #d7d3ff;
}

@media (max-width: 1000px) {
  .hero,
  .cards,
  .guard-route,
  .result-grid,
  footer {
    grid-template-columns: 1fr;
    display: grid;
  }

  nav {
    flex-wrap: wrap;
  }

  .nav-links {
    order: 3;
    width: 100%;
    justify-content: space-between;
  }

  .cards article:nth-child(2),
  .route-line span:nth-child(even) {
    transform: none;
    margin-left: 0;
  }
}