:root {
  --color-ink: #09111b;
  --color-ink-soft: #172332;
  --color-paper: #f7f2e8;
  --color-paper-muted: #d8cbb7;
  --color-amber: #d9923d;
  --color-copper: #9f5832;
  --color-teal: #52b7b5;
  --color-line: rgba(247, 242, 232, 0.18);
  --shadow-deep: 0 24px 80px rgba(0, 0, 0, 0.32);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--color-paper);
  background: var(--color-ink);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  background:
    radial-gradient(circle at 18% 20%, rgba(82, 183, 181, 0.16), transparent 30rem),
    linear-gradient(180deg, #07101a 0%, #111a23 54%, #f3eadb 54%, #f3eadb 100%);
}

body,
button,
a {
  font: inherit;
}

a {
  color: inherit;
}

.site-header {
  position: fixed;
  z-index: 10;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 18px clamp(20px, 5vw, 72px);
  color: var(--color-paper);
}

.brand,
.nav {
  border: 1px solid rgba(247, 242, 232, 0.16);
  background: rgba(8, 17, 27, 0.58);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 8px 18px 8px 8px;
  border-radius: 999px;
  font-weight: 750;
  text-decoration: none;
}

.brand__mark {
  display: inline-grid;
  place-items: center;
  width: 58px;
  height: 58px;
  overflow: hidden;
  border-radius: 50%;
  background: rgba(247, 242, 232, 0.96);
  box-shadow:
    inset 0 0 0 1px rgba(9, 17, 27, 0.12),
    0 10px 30px rgba(0, 0, 0, 0.22);
}

.brand__mark img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 3px;
}

.brand__name {
  font-size: clamp(22px, 2.1vw, 34px);
  line-height: 1;
  letter-spacing: 0;
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px;
  border-radius: 999px;
}

.nav a {
  padding: 8px 12px;
  border-radius: 999px;
  color: rgba(247, 242, 232, 0.78);
  font-size: 14px;
  font-weight: 650;
  text-decoration: none;
}

.nav a:hover,
.nav a:focus-visible {
  background: rgba(247, 242, 232, 0.1);
  color: var(--color-paper);
  outline: none;
}

.hero {
  position: relative;
  display: grid;
  min-height: min(760px, 94vh);
  overflow: hidden;
  isolation: isolate;
}

.hero__image,
.hero__shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero__image {
  object-fit: cover;
  object-position: center;
  z-index: -2;
}

.hero__shade {
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(7, 16, 26, 0.94) 0%, rgba(7, 16, 26, 0.74) 37%, rgba(7, 16, 26, 0.18) 72%),
    linear-gradient(180deg, rgba(7, 16, 26, 0.34) 0%, rgba(7, 16, 26, 0.08) 52%, rgba(7, 16, 26, 0.86) 100%);
}

.hero__content {
  width: min(680px, calc(100% - 40px));
  align-self: center;
  margin-left: clamp(20px, 7vw, 96px);
  padding-top: 96px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--color-teal);
  font-size: 13px;
  font-weight: 750;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

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

h1,
h2 {
  font-family: "Playfair Display", Georgia, serif;
  letter-spacing: 0;
}

h1 {
  max-width: 11ch;
  margin-bottom: 22px;
  font-size: clamp(64px, 10vw, 136px);
  line-height: 0.86;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(34px, 5vw, 68px);
  line-height: 0.98;
}

h3 {
  margin-bottom: 12px;
  font-size: 22px;
  line-height: 1.1;
}

.hero__lead {
  max-width: 580px;
  margin-bottom: 30px;
  color: rgba(247, 242, 232, 0.84);
  font-size: clamp(18px, 2vw, 23px);
  line-height: 1.55;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border: 1px solid rgba(247, 242, 232, 0.2);
  border-radius: 999px;
  font-weight: 750;
  text-decoration: none;
}

.button--primary {
  border-color: transparent;
  background: var(--color-paper);
  color: var(--color-ink);
}

.button--ghost {
  background: rgba(8, 17, 27, 0.42);
  color: var(--color-paper);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
  outline: none;
}

.section {
  padding: clamp(64px, 8vw, 112px) clamp(20px, 6vw, 88px);
}

.section--intro,
.method {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(280px, 0.75fr);
  gap: clamp(32px, 6vw, 96px);
  background: var(--color-ink);
}

.section__copy {
  max-width: 780px;
}

.intro-text {
  align-self: end;
  color: rgba(247, 242, 232, 0.74);
  font-size: 18px;
  line-height: 1.7;
}

.intro-text p:last-child,
.manifesto p:last-child {
  margin-bottom: 0;
}

.lab-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  padding-top: 0;
  background: linear-gradient(180deg, var(--color-ink) 0%, var(--color-ink-soft) 100%);
}

.lab-card {
  min-height: 280px;
  padding: clamp(26px, 4vw, 46px);
  border: 1px solid var(--color-line);
  background:
    linear-gradient(145deg, rgba(247, 242, 232, 0.08), rgba(247, 242, 232, 0.03)),
    rgba(8, 17, 27, 0.66);
}

.lab-card__number {
  display: block;
  margin-bottom: 54px;
  color: var(--color-amber);
  font-weight: 750;
}

.lab-card p,
.method-list,
.manifesto p {
  color: rgba(247, 242, 232, 0.72);
  font-size: 17px;
  line-height: 1.65;
}

.method {
  background: #f3eadb;
  color: var(--color-ink);
}

.method .eyebrow {
  color: var(--color-copper);
}

.method-list {
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0;
  color: rgba(9, 17, 27, 0.72);
  list-style: none;
}

.method-list li {
  padding: 20px 0;
  border-top: 1px solid rgba(9, 17, 27, 0.16);
}

.method-list strong {
  color: var(--color-ink);
}

.manifesto {
  background:
    radial-gradient(circle at 78% 20%, rgba(217, 146, 61, 0.18), transparent 28rem),
    #101923;
}

.manifesto h2 {
  max-width: 980px;
  margin-bottom: 24px;
}

.manifesto p {
  max-width: 760px;
}

.site-footer {
  padding: 34px clamp(20px, 6vw, 88px) 44px;
  background: #101923;
  color: rgba(247, 242, 232, 0.72);
}

.site-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 26px;
  border-top: 1px solid rgba(247, 242, 232, 0.14);
}

.site-footer__signature {
  display: block;
  width: min(220px, 46vw);
  height: auto;
  opacity: 0.9;
}

.site-footer p {
  margin: 0;
  color: rgba(247, 242, 232, 0.68);
  font-size: 15px;
  line-height: 1.5;
  text-align: right;
}

@media (max-width: 820px) {
  .site-header {
    position: absolute;
    align-items: flex-start;
  }

  .nav {
    display: none;
  }

  .hero {
    min-height: 760px;
  }

  .hero__shade {
    background:
      linear-gradient(180deg, rgba(7, 16, 26, 0.8) 0%, rgba(7, 16, 26, 0.72) 45%, rgba(7, 16, 26, 0.92) 100%);
  }

  .hero__content {
    align-self: end;
    margin: 0;
    padding: 140px 20px 58px;
  }

  .section--intro,
  .method,
  .lab-grid {
    grid-template-columns: 1fr;
  }

  .lab-card {
    min-height: 220px;
  }

  .site-footer__inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-footer p {
    text-align: left;
  }
}

@media (max-width: 520px) {
  .button {
    width: 100%;
  }

  h1 {
    font-size: clamp(54px, 19vw, 82px);
  }
}