:root {
  --navy: #071b33;
  --navy-soft: #102f4d;
  --cyan: #12c9d7;
  --orange: #ff7a45;
  --lime: #d9f76c;
  --ice: #eef8f8;
  --paper: #f8faf9;
  --white: #ffffff;
  --ink: #10273d;
  --muted: #5b7181;
  --line: #d4e0e2;
  --radius: 20px;
  --shadow: 0 24px 60px rgba(7, 27, 51, 0.14);
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 82px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, Arial, sans-serif;
  line-height: 1.65;
}

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

h1,
h2,
h3 {
  line-height: 1.08;
}

h1,
h2 {
  font-family: Georgia, serif;
  font-weight: 500;
  letter-spacing: -0.04em;
}

h1 {
  max-width: 800px;
  margin-bottom: 1.5rem;
  font-size: clamp(3.25rem, 6.6vw, 6.9rem);
}

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

h2 {
  margin-bottom: 0;
  font-size: clamp(2.35rem, 4.6vw, 4.6rem);
}

h3 {
  font-size: 1.35rem;
}

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
}

.container {
  width: min(calc(100% - 2.5rem), var(--max-width));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.5rem;
  left: 0.5rem;
  padding: 0.65rem 1rem;
  color: var(--navy);
  background: var(--white);
  border-radius: 0.5rem;
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  white-space: nowrap;
  border: 0;
  clip-path: inset(50%);
}

.site-header {
  position: sticky;
  z-index: 40;
  top: 0;
  height: 82px;
  background: rgba(248, 250, 249, 0.94);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(16px);
}

.site-header.scrolled {
  border-color: var(--line);
  box-shadow: 0 8px 25px rgba(7, 27, 51, 0.06);
}

.navigation {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 1.75rem;
}

.brand {
  width: 220px;
  margin-right: auto;
}

.brand img {
  display: block;
  width: 100%;
}

nav {
  display: flex;
  gap: 1.4rem;
}

nav a {
  font-size: 0.78rem;
  font-weight: 800;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.35rem;
  color: var(--navy);
  background: var(--lime);
  border: 1px solid var(--lime);
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: 180ms ease;
}

.button:hover {
  box-shadow: 0 10px 25px rgba(217, 247, 108, 0.2);
  transform: translateY(-2px);
}

.menu-button {
  display: none;
  padding: 0.4rem;
  background: transparent;
  border: 0;
}

.menu-button span {
  display: block;
  width: 25px;
  height: 2px;
  margin: 5px;
  background: var(--navy);
  transition: 180ms ease;
}

.hero {
  position: relative;
  padding: 6.5rem 0 7rem;
  color: var(--white);
  background: var(--navy);
  overflow: hidden;
}

.hero::before {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(120deg, transparent 35%, rgba(18, 201, 215, 0.08)),
    radial-gradient(rgba(255, 255, 255, 0.12) 1px, transparent 1px);
  background-size:
    auto,
    28px 28px;
  mask-image: linear-gradient(to right, transparent, #000);
}

.hero-layout {
  position: relative;
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  align-items: center;
  gap: 4rem;
}

.eyebrow {
  margin-bottom: 1.1rem;
  color: var(--orange);
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: var(--lime);
}

.lead {
  max-width: 720px;
  color: var(--muted);
  font-size: 1.16rem;
}

.hero .lead {
  color: #bfd3df;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.7rem;
  margin-top: 2.1rem;
}

.secondary-link {
  font-size: 0.8rem;
  font-weight: 800;
}

.hero-diagram {
  position: relative;
  min-width: 400px;
  aspect-ratio: 1;
}

.hero-diagram img {
  position: absolute;
  z-index: 4;
  width: 120px;
  inset: 50% auto auto 50%;
  border-radius: 26px;
  transform: translate(-50%, -50%);
  box-shadow: var(--shadow);
}

.field {
  position: absolute;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 48%;
  height: 48%;
  padding: 1.1rem;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 50%;
  font-size: 0.72rem;
  text-transform: uppercase;
}

.field span {
  opacity: 0.7;
}

.field-bio {
  top: 5%;
  left: 10%;
  background: rgba(18, 201, 215, 0.14);
}

.field-ai {
  top: 5%;
  right: 10%;
  align-items: flex-end;
  background: rgba(255, 122, 69, 0.14);
}

.field-earth {
  right: 26%;
  bottom: 5%;
  align-items: center;
  background: rgba(217, 247, 108, 0.1);
}

.pulse {
  color: var(--navy);
  background: var(--cyan);
}

.pulse .container {
  display: flex;
  justify-content: space-between;
  padding-block: 1.35rem;
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.pulse i {
  font-style: normal;
}

.section {
  padding: 6.5rem 0;
}

.section-heading,
.lab-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 3.75rem;
  margin-bottom: 3rem;
}

.section-heading > div,
.lab-heading > div {
  max-width: 760px;
}

.section-heading > p {
  max-width: 390px;
  margin: 0;
  color: var(--muted);
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
}

.field-card {
  padding: 2rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: 200ms ease;
}

.field-card:hover {
  border-color: var(--cyan);
  box-shadow: var(--shadow);
  transform: translateY(-5px);
}

.card-number {
  color: var(--orange);
  font-size: 0.7rem;
  font-weight: 900;
}

.card-icon {
  display: grid;
  place-items: center;
  width: 74px;
  height: 74px;
  margin: 2.5rem 0 1.5rem;
  color: var(--navy);
  background: var(--ice);
  border-radius: 50%;
  font:
    900 0.8rem Arial,
    sans-serif;
  letter-spacing: 0.08em;
}

.field-card:nth-child(2) .card-icon {
  background: #fff0e9;
}

.field-card:nth-child(3) .card-icon {
  background: #f0f8c8;
}

.field-card h3 {
  font:
    500 1.7rem Georgia,
    serif;
}

.field-card p {
  min-height: 82px;
  color: var(--muted);
  font-size: 0.86rem;
}

.field-card ul {
  padding: 1rem 0 0;
  margin: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.field-card li {
  margin: 0.4rem 0;
  font-size: 0.75rem;
}

.field-card li::before {
  margin-right: 0.5rem;
  color: var(--cyan);
  content: "→";
}

.method {
  color: #c9dae5;
  background: var(--navy);
}

.inverse h2,
.method h3 {
  color: var(--white);
}

.inverse .eyebrow {
  color: var(--cyan);
}

.inverse > p {
  color: #9ab3c2;
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.method-step {
  padding: 1.8rem;
  border-top: 3px solid var(--cyan);
  background: rgba(255, 255, 255, 0.05);
}

.method-step:nth-child(2) {
  border-color: var(--orange);
}

.method-step:nth-child(3) {
  border-color: var(--lime);
}

.method-step:nth-child(4) {
  border-color: var(--white);
}

.method-step b {
  color: var(--cyan);
  font-size: 0.72rem;
}

.method-step h3 {
  margin: 2.5rem 0 1rem;
  font:
    500 1.55rem Georgia,
    serif;
}

.method-step p {
  margin: 0;
  color: #a8bfcb;
  font-size: 0.82rem;
}

.academics {
  background: var(--ice);
}

.people-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.person {
  display: flex;
  flex-direction: column;
  padding: 1.25rem 1.25rem 1.7rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.person-mark {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 1.4;
  color: var(--cyan);
  background: var(--navy);
  border-radius: 14px;
  font:
    italic 500 4.2rem Georgia,
    serif;
  overflow: hidden;
}

.person-mark::before {
  position: absolute;
  width: 210px;
  height: 210px;
  border: 1px dashed rgba(18, 201, 215, 0.55);
  border-radius: 50%;
  content: "";
}

.reference .person-mark {
  color: var(--lime);
}

.person-mark span {
  position: absolute;
  right: 0.9rem;
  bottom: 0.7rem;
  font:
    900 0.65rem Arial,
    sans-serif;
}

.specialty {
  margin: 1.5rem 0 0.6rem;
  color: var(--orange);
  font-size: 0.66rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.person h3 {
  margin-bottom: 0.75rem;
  font:
    500 1.55rem Georgia,
    serif;
}

.person > p:not(.specialty) {
  min-height: 80px;
  color: var(--muted);
  font-size: 0.81rem;
}

.person a {
  display: flex;
  justify-content: space-between;
  padding-top: 1rem;
  margin-top: auto;
  color: var(--navy);
  border-top: 1px solid var(--line);
  font-size: 0.72rem;
  font-weight: 900;
  overflow-wrap: anywhere;
}

.disclaimer {
  padding: 1rem 1.25rem;
  margin: 1.4rem 0 0;
  color: var(--muted);
  background: var(--white);
  border-left: 4px solid var(--orange);
  font-size: 0.76rem;
}

.lab {
  background: var(--white);
}

.search {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  width: min(100%, 390px);
  padding-inline: 1rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 999px;
}

.search input {
  width: 100%;
  padding-block: 0.85rem;
  background: transparent;
  border: 0;
  outline: 0;
  font: inherit;
}

.resource-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.resource-grid details {
  border: 1px solid var(--line);
  border-radius: 12px;
}

.resource-grid summary {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 1.2rem;
  cursor: pointer;
  list-style: none;
  font-weight: 800;
}

.resource-grid summary b {
  color: var(--orange);
}

.resource-grid summary i {
  margin-left: auto;
  font-size: 1.25rem;
  font-style: normal;
  transition: 180ms ease;
}

.resource-grid details[open] i {
  transform: rotate(45deg);
}

.resource-grid details p {
  padding: 0 1.3rem 1.3rem 3.25rem;
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.empty-results {
  padding: 1.25rem;
  text-align: center;
  background: var(--paper);
}

.about {
  background: var(--lime);
}

.about-layout {
  display: grid;
  grid-template-columns: 0.55fr 1fr;
  align-items: center;
  gap: 6rem;
}

.about-symbol img {
  width: 100%;
  max-width: 320px;
  border-radius: 48px;
  box-shadow: var(--shadow);
}

.about .eyebrow {
  color: var(--navy);
}

.about p {
  color: #314b54;
}

footer {
  padding: 4rem 0 1.25rem;
  color: #adc1ce;
  background: #041426;
}

.footer-layout {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3.75rem;
}

.footer-layout img {
  width: 235px;
  padding: 0.4rem;
  background: var(--white);
  border-radius: 10px;
}

.footer-layout p,
.footer-layout a {
  font-size: 0.78rem;
}

.footer-layout h3 {
  color: var(--cyan);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.footer-layout a {
  display: block;
  margin-block: 0.5rem;
}

.copyright {
  padding-top: 1.25rem;
  margin-top: 2.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.68rem;
}

.back-to-top {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  width: 44px;
  height: 44px;
  color: var(--navy);
  background: var(--cyan);
  border: 0;
  border-radius: 50%;
  opacity: 0;
  visibility: hidden;
  transition: 180ms ease;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: 600ms ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

[hidden] {
  display: none !important;
}

@media (max-width: 1024px) {
  nav {
    gap: 0.8rem;
  }

  .header-button {
    display: none;
  }

  .field-grid,
  .people-grid {
    grid-template-columns: 1fr 1fr;
  }

  .method-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  .container {
    width: min(calc(100% - 1.75rem), var(--max-width));
  }

  .site-header {
    height: 70px;
  }

  .brand {
    width: 190px;
  }

  .menu-button {
    display: block;
  }

  .menu-button[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .menu-button[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }

  .menu-button[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  nav {
    position: fixed;
    z-index: -1;
    top: 70px;
    right: 0;
    left: 0;
    display: flex;
    flex-direction: column;
    padding: 1rem 1.5rem 1.5rem;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    transform: translateY(-130%);
    transition: 220ms ease;
  }

  nav.open {
    transform: translateY(0);
  }

  nav a {
    padding: 0.4rem;
  }

  .hero,
  .section {
    padding: 4.5rem 0;
  }

  .hero-layout,
  .field-grid,
  .people-grid,
  .resource-grid,
  .about-layout {
    grid-template-columns: 1fr;
  }

  .hero-diagram {
    min-width: 0;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .pulse span:nth-of-type(n + 3),
  .pulse i:nth-of-type(n + 3) {
    display: none;
  }

  .section-heading,
  .lab-heading {
    display: block;
  }

  .section-heading > p {
    margin-top: 1.2rem;
  }

  .method-grid {
    grid-template-columns: 1fr;
  }

  .field-card p,
  .person > p:not(.specialty) {
    min-height: 0;
  }

  .search {
    margin-top: 1.5rem;
  }

  .about-layout {
    gap: 3rem;
  }

  .about-symbol img {
    max-width: 220px;
  }

  .footer-layout {
    grid-template-columns: 1fr 1fr;
  }

  .footer-layout > div:first-child {
    grid-column: 1 / -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}