/* =========================================================
   GEOLAB v3.8 — ACADEMIC HOMEPAGE
   External fonts, decorative WebGL and third-party runtime
   dependencies are intentionally excluded.
   ========================================================= */

:root {
  --gl-bg: #f4f6f1;
  --gl-surface: #ffffff;
  --gl-surface-muted: #edf1eb;
  --gl-ink: #13231b;
  --gl-ink-soft: #405049;
  --gl-muted: #66736d;
  --gl-line: #cfd8d1;
  --gl-line-strong: #aab9af;
  --gl-primary: #24533d;
  --gl-primary-strong: #173b2b;
  --gl-primary-soft: #dbe7df;
  --gl-focus: #9a5b21;
  --gl-warning: #a4572a;
  --gl-shell: 1680px;
  --gl-gutter: clamp(20px, 3.2vw, 64px);
  --gl-font: "Segoe UI Variable", "Aptos", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --gl-mono: "Cascadia Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --gl-ease: cubic-bezier(.2, .75, .25, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  scroll-behavior: smooth;
  background: var(--gl-bg);
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: clip;
  background: var(--gl-bg);
  color: var(--gl-ink);
  font-family: var(--gl-font);
  font-size: 16px;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.gl-menu-open {
  overflow: hidden;
}

button,
a,
input,
select,
textarea {
  font: inherit;
}

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

img,
svg {
  display: block;
  max-width: 100%;
}

button {
  color: inherit;
}

::selection {
  background: var(--gl-primary);
  color: #fff;
}

.gl-svg-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.gl-icon {
  width: 1.15em;
  height: 1.15em;
  flex: 0 0 auto;
}

.gl-shell {
  width: min(100%, var(--gl-shell));
  margin-inline: auto;
  padding-inline: var(--gl-gutter);
}

.gl-copy {
  text-wrap: pretty;
  overflow-wrap: anywhere;
  hyphens: auto;
}

@media (min-width: 760px) {
  .gl-copy {
    text-align: justify;
    text-justify: inter-word;
  }
}

.gl-skip-link {
  position: fixed;
  inset-block-start: 12px;
  inset-inline-start: 12px;
  z-index: 10000;
  padding: 11px 15px;
  border: 2px solid var(--gl-ink);
  background: #fff;
  color: var(--gl-ink);
  font-weight: 750;
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

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

:focus-visible {
  outline: 3px solid var(--gl-focus);
  outline-offset: 4px;
}

/* Header */

.gl-header {
  position: sticky;
  inset-block-start: 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(19, 35, 27, .12);
  background: rgba(244, 246, 241, .94);
  backdrop-filter: blur(14px);
}

.gl-header__inner {
  display: grid;
  grid-template-columns: minmax(230px, 1fr) auto minmax(230px, 1fr);
  min-height: 78px;
  align-items: center;
  gap: 28px;
}

.gl-brand {
  display: inline-flex;
  width: max-content;
  align-items: center;
  gap: 12px;
}

.gl-brand__mark {
  display: grid;
  width: 38px;
  aspect-ratio: 1;
  place-items: center;
  color: var(--gl-primary);
}

.gl-brand__copy {
  display: grid;
  gap: 2px;
  line-height: 1.05;
}

.gl-brand__copy strong {
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -.035em;
}

.gl-brand__copy small {
  color: var(--gl-muted);
  font-family: var(--gl-mono);
  font-size: 8px;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.gl-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(22px, 2.6vw, 46px);
}

.gl-nav a,
.gl-admin-link {
  position: relative;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--gl-ink-soft);
  font-size: 13px;
  font-weight: 700;
}

.gl-nav a::after,
.gl-admin-link::after,
.gl-inline-link::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  inset-block-end: 7px;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms var(--gl-ease);
}

.gl-nav a:hover::after,
.gl-nav a:focus-visible::after,
.gl-admin-link:hover::after,
.gl-admin-link:focus-visible::after,
.gl-inline-link:hover::after,
.gl-inline-link:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.gl-header__actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 18px;
}

.gl-button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 12px;
  border: 1px solid var(--gl-primary-strong);
  border-radius: 6px;
  background: var(--gl-primary-strong);
  color: #fff;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: -.01em;
  transition: background 180ms ease, color 180ms ease, border-color 180ms ease, transform 180ms var(--gl-ease);
}

.gl-button:hover {
  transform: translateY(-2px);
  background: var(--gl-primary);
  border-color: var(--gl-primary);
}

.gl-button--compact {
  min-height: 42px;
  padding-inline: 18px;
  font-size: 13px;
}

.gl-button--primary {
  min-height: 54px;
  padding-inline: 23px;
}

.gl-button--light {
  border-color: #fff;
  background: #fff;
  color: var(--gl-primary-strong);
  padding-inline: 22px;
}

.gl-button--light:hover {
  border-color: var(--gl-primary-soft);
  background: var(--gl-primary-soft);
  color: var(--gl-primary-strong);
}

.gl-menu-button {
  display: none;
  width: 46px;
  height: 46px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--gl-line-strong);
  border-radius: 6px;
  background: transparent;
  cursor: pointer;
}

.gl-menu-button__close {
  display: none;
}

.gl-menu-button[aria-expanded="true"] .gl-menu-button__open {
  display: none;
}

.gl-menu-button[aria-expanded="true"] .gl-menu-button__close {
  display: block;
}

.gl-mobile-menu {
  display: none;
}

/* Hero */

.gl-hero {
  position: relative;
  padding-block: clamp(66px, 7vw, 118px) clamp(76px, 8vw, 130px);
  border-bottom: 1px solid var(--gl-line);
}

.gl-hero::before {
  content: "";
  position: absolute;
  inset-block: 0;
  inset-inline-start: 0;
  width: 38%;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(36, 83, 61, .045), transparent);
}

.gl-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, .86fr) minmax(620px, 1.14fr);
  align-items: center;
  gap: clamp(54px, 6vw, 110px);
}

.gl-hero__copy {
  max-width: 770px;
}

.gl-kicker {
  margin: 0 0 26px;
  color: var(--gl-primary);
  font-family: var(--gl-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .13em;
  line-height: 1.5;
  text-transform: uppercase;
}

.gl-kicker--light {
  color: #b9d0c0;
}

.gl-hero h1 {
  max-width: 830px;
  margin: 0;
  font-size: clamp(50px, 4.75vw, 88px);
  font-weight: 760;
  letter-spacing: -.065em;
  line-height: .99;
  text-wrap: balance;
}

.gl-lead {
  max-width: 670px;
  margin: 34px 0 0;
  color: var(--gl-ink-soft);
  font-size: clamp(17px, 1.3vw, 21px);
  line-height: 1.7;
}

.gl-hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 24px;
  margin-top: 35px;
}

.gl-inline-link {
  position: relative;
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  color: var(--gl-primary-strong);
  font-size: 14px;
  font-weight: 800;
}

.gl-trust-list {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 24px;
  margin: 36px 0 0;
  padding: 24px 0 0;
  border-top: 1px solid var(--gl-line);
  list-style: none;
}

.gl-trust-list li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--gl-muted);
  font-size: 12px;
  font-weight: 700;
}

.gl-trust-list .gl-icon {
  color: var(--gl-primary);
}

/* Functional product preview */

.gl-preview {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--gl-line-strong);
  border-radius: 10px;
  background: var(--gl-surface);
  box-shadow: 0 28px 70px rgba(28, 50, 39, .11);
}

.gl-preview__header {
  display: flex;
  min-height: 88px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--gl-line);
}

.gl-preview__eyebrow {
  display: block;
  margin-bottom: 5px;
  color: var(--gl-muted);
  font-family: var(--gl-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.gl-preview h2 {
  margin: 0;
  font-size: clamp(20px, 1.6vw, 27px);
  letter-spacing: -.035em;
  line-height: 1.15;
}

.gl-preview__status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--gl-primary);
  font-family: var(--gl-mono);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
}

.gl-preview__status i,
.gl-module__details dd i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #3e7a5a;
  box-shadow: 0 0 0 4px rgba(62, 122, 90, .12);
}

.gl-preview__meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-bottom: 1px solid var(--gl-line);
  background: #f8faf7;
}

.gl-preview__meta > div {
  min-width: 0;
  padding: 15px 18px;
}

.gl-preview__meta > div + div {
  border-inline-start: 1px solid var(--gl-line);
}

.gl-preview__meta span,
.gl-preview__meta strong {
  display: block;
}

.gl-preview__meta span {
  color: var(--gl-muted);
  font-family: var(--gl-mono);
  font-size: 8px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.gl-preview__meta strong {
  margin-top: 5px;
  overflow: hidden;
  font-size: 12px;
  font-weight: 800;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.gl-preview__workspace {
  display: grid;
  grid-template-columns: minmax(0, .98fr) minmax(0, 1.02fr);
  min-height: 390px;
}

.gl-preview__table {
  padding: 22px;
  border-inline-end: 1px solid var(--gl-line);
  background: #fbfcfa;
}

.gl-preview__row {
  display: grid;
  grid-template-columns: minmax(110px, 1.45fr) repeat(5, minmax(42px, .72fr));
  min-height: 54px;
  align-items: stretch;
  border-inline: 1px solid var(--gl-line);
  border-block-end: 1px solid var(--gl-line);
}

.gl-preview__row:first-child {
  border-block-start: 1px solid var(--gl-line);
}

.gl-preview__row > * {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: center;
  padding: 9px 6px;
  border-inline-end: 1px solid var(--gl-line);
  font-family: var(--gl-mono);
  font-size: 9px;
  text-align: center;
}

.gl-preview__row > *:first-child {
  justify-content: flex-start;
  padding-inline: 12px;
  font-family: var(--gl-font);
  font-size: 10px;
  text-align: start;
}

.gl-preview__row > *:last-child {
  border-inline-end: 0;
}

.gl-preview__row--head {
  min-height: 42px;
  background: var(--gl-surface-muted);
  color: var(--gl-muted);
}

.gl-preview__row--head > * {
  font-family: var(--gl-mono);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.gl-preview__row--result {
  background: #eaf1ec;
  color: var(--gl-primary-strong);
}

.gl-preview__results {
  display: grid;
  gap: 0;
  margin: 22px 0 0;
  border-top: 1px solid var(--gl-line);
}

.gl-preview__results > div {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 13px 2px;
  border-bottom: 1px solid var(--gl-line);
}

.gl-preview__results dt {
  color: var(--gl-muted);
  font-size: 10px;
}

.gl-preview__results dd {
  margin: 0;
  color: var(--gl-primary-strong);
  font-family: var(--gl-mono);
  font-size: 10px;
  font-weight: 700;
  white-space: nowrap;
}

.gl-preview__chart {
  min-width: 0;
  padding: 21px 20px 12px;
}

.gl-preview__chart-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-inline: 8px;
  color: var(--gl-ink-soft);
  font-size: 11px;
  font-weight: 800;
}

.gl-preview__chart-head span:last-child {
  color: var(--gl-muted);
  font-family: var(--gl-mono);
  font-size: 8px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.gl-preview__chart svg {
  width: 100%;
  min-height: 210px;
  max-height: 240px;
  margin-top: 10px;
  overflow: visible;
}


.gl-preview__formula {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 5px 14px;
  margin: 12px 8px 0;
  padding: 14px 0 2px;
  border-top: 1px solid var(--gl-line);
}

.gl-preview__formula span {
  color: var(--gl-muted);
  font-family: var(--gl-mono);
  font-size: 8px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.gl-preview__formula code {
  color: var(--gl-primary-strong);
  font-family: var(--gl-mono);
  font-size: 11px;
  font-weight: 700;
  text-align: end;
}

.gl-preview__formula small {
  grid-column: 1 / -1;
  color: var(--gl-muted);
  font-size: 9px;
  text-align: end;
}

.gl-chart-grid path {
  fill: none;
  stroke: #d9e0db;
  stroke-width: 1;
}

.gl-chart-area {
  fill: rgba(36, 83, 61, .08);
}

.gl-chart-line {
  fill: none;
  stroke: var(--gl-primary);
  stroke-width: 3;
  stroke-linecap: round;
}

.gl-chart-points circle {
  fill: #fff;
  stroke: var(--gl-primary);
  stroke-width: 3;
}

.gl-chart-guide {
  fill: none;
  stroke: var(--gl-warning);
  stroke-width: 1.5;
  stroke-dasharray: 5 5;
}

.gl-preview__chart text {
  fill: var(--gl-muted);
  font-family: var(--gl-mono);
  font-size: 10px;
}

.gl-preview__note {
  margin: 0;
  padding: 13px 24px;
  border-top: 1px solid var(--gl-line);
  color: var(--gl-muted);
  font-size: 11px;
  line-height: 1.45;
}

/* Academic assurance */

.gl-assurance {
  padding-block: clamp(92px, 9vw, 154px);
  background: var(--gl-surface);
}

.gl-assurance__grid {
  display: grid;
  grid-template-columns: minmax(0, .78fr) minmax(600px, 1.22fr);
  gap: clamp(70px, 9vw, 160px);
}

.gl-section-copy {
  align-self: start;
  position: sticky;
  top: 124px;
}

.gl-section-copy h2,
.gl-experiment__heading h2,
.gl-workflow__header h2,
.gl-closing h2 {
  margin: 0;
  font-size: clamp(38px, 4vw, 67px);
  font-weight: 730;
  letter-spacing: -.055em;
  line-height: 1.03;
  text-wrap: balance;
}

.gl-section-copy > p:last-child {
  max-width: 610px;
  margin: 27px 0 0;
  color: var(--gl-ink-soft);
  font-size: 17px;
  line-height: 1.75;
}

.gl-ledger {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--gl-line-strong);
  list-style: none;
}

.gl-ledger li {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 26px;
  padding-block: 34px;
  border-bottom: 1px solid var(--gl-line);
}

.gl-ledger > li > span {
  color: var(--gl-primary);
  font-family: var(--gl-mono);
  font-size: 11px;
  font-weight: 700;
}

.gl-ledger h3 {
  margin: 0;
  font-size: clamp(20px, 1.5vw, 25px);
  letter-spacing: -.035em;
}

.gl-ledger p {
  max-width: 750px;
  margin: 12px 0 0;
  color: var(--gl-muted);
  line-height: 1.7;
}

/* Active experiment */

.gl-experiment {
  padding-block: clamp(92px, 9vw, 150px);
  background: var(--gl-primary-strong);
  color: #fff;
}

.gl-experiment__heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, .72fr);
  align-items: end;
  gap: clamp(50px, 8vw, 130px);
}

.gl-experiment__heading p:last-child {
  margin: 0 0 7px;
  color: #c6d6cc;
  font-size: 17px;
  line-height: 1.7;
}

.gl-module {
  display: grid;
  grid-template-columns: 72px minmax(260px, .9fr) minmax(520px, 1.3fr) auto;
  align-items: center;
  gap: 28px;
  margin-top: 58px;
  padding: 30px 32px;
  border-block: 1px solid rgba(255, 255, 255, .28);
  transition: background 180ms ease, color 180ms ease;
}

.gl-module:hover,
.gl-module:focus-visible {
  background: #fff;
  color: var(--gl-primary-strong);
}

.gl-module__number {
  color: #b9d0c0;
  font-family: var(--gl-mono);
  font-size: 12px;
}

.gl-module__title {
  display: grid;
  gap: 5px;
}

.gl-module__title span {
  color: #b9d0c0;
  font-family: var(--gl-mono);
  font-size: 9px;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.gl-module__title strong {
  font-size: clamp(21px, 2vw, 31px);
  letter-spacing: -.04em;
}

.gl-module:hover .gl-module__title span,
.gl-module:focus-visible .gl-module__title span,
.gl-module:hover .gl-module__number,
.gl-module:focus-visible .gl-module__number {
  color: var(--gl-primary);
}

.gl-module__details {
  display: grid;
  grid-template-columns: 1.3fr .9fr 1fr;
  gap: 22px;
  margin: 0;
}

.gl-module__details div {
  min-width: 0;
}

.gl-module__details dt {
  margin-bottom: 6px;
  color: #9fb5a7;
  font-family: var(--gl-mono);
  font-size: 8px;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.gl-module__details dd {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  overflow: hidden;
  font-size: 12px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.gl-module:hover .gl-module__details dt,
.gl-module:focus-visible .gl-module__details dt {
  color: var(--gl-muted);
}

.gl-module__action {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}

/* Workflow */

.gl-workflow {
  padding-block: clamp(96px, 10vw, 166px);
  background: var(--gl-bg);
}

.gl-workflow__header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(400px, .72fr);
  align-items: end;
  gap: clamp(50px, 8vw, 130px);
}

.gl-workflow__header > p {
  margin: 0 0 5px;
  color: var(--gl-ink-soft);
  font-size: 17px;
  line-height: 1.75;
}

.gl-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 62px 0 0;
  padding: 0;
  border-top: 1px solid var(--gl-line-strong);
  list-style: none;
}

.gl-steps li {
  min-width: 0;
  padding: 28px clamp(20px, 2.2vw, 38px) 0 0;
  border-inline-end: 1px solid var(--gl-line);
}

.gl-steps li + li {
  padding-inline-start: clamp(20px, 2.2vw, 38px);
}

.gl-steps li:last-child {
  border-inline-end: 0;
  padding-inline-end: 0;
}

.gl-steps > li > span {
  color: var(--gl-primary);
  font-family: var(--gl-mono);
  font-size: 11px;
  font-weight: 700;
}

.gl-steps h3 {
  margin: 38px 0 0;
  font-size: clamp(19px, 1.45vw, 24px);
  letter-spacing: -.035em;
}

.gl-steps p {
  margin: 12px 0 0;
  color: var(--gl-muted);
  font-size: 14px;
  line-height: 1.7;
}

/* Closing */

.gl-closing {
  padding-block: clamp(86px, 8vw, 136px);
  background: var(--gl-primary);
  color: #fff;
}

.gl-closing__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(390px, .7fr);
  align-items: end;
  gap: clamp(60px, 9vw, 150px);
}

.gl-closing h2 {
  max-width: 900px;
}

.gl-closing__grid > div:last-child {
  display: grid;
  gap: 28px;
  justify-items: start;
}

.gl-closing__grid > div:last-child p {
  margin: 0;
  color: #d9e6dd;
  font-size: 16px;
  line-height: 1.75;
}

/* Footer */

.gl-footer {
  border-top: 1px solid rgba(255, 255, 255, .1);
  background: #102a1f;
  color: #d8e3dc;
}

.gl-footer__grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  min-height: 126px;
  align-items: center;
  gap: 32px;
}

.gl-brand--footer {
  color: #fff;
}

.gl-brand--footer .gl-brand__mark {
  color: #b8cfbf;
}

.gl-brand--footer small {
  color: #9fb4a6;
}

.gl-footer nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
}

.gl-footer nav a {
  font-size: 12px;
  font-weight: 700;
}

.gl-footer p {
  margin: 0;
  color: #9fb4a6;
  font-size: 11px;
  text-align: end;
}

/* Responsive */

@media (max-width: 1380px) {
  .gl-hero__grid {
    grid-template-columns: minmax(0, .82fr) minmax(560px, 1.18fr);
    gap: 52px;
  }

  .gl-preview__workspace {
    grid-template-columns: 1fr;
  }

  .gl-preview__table {
    border-inline-end: 0;
    border-bottom: 1px solid var(--gl-line);
  }

  .gl-preview__chart {
    padding-bottom: 4px;
  }

  .gl-preview__chart svg {
    max-height: 235px;
  }

  .gl-module {
    grid-template-columns: 58px minmax(220px, .8fr) minmax(420px, 1.3fr) auto;
  }
}

@media (max-width: 1180px) {
  .gl-header__inner {
    grid-template-columns: 1fr auto;
  }

  .gl-nav,
  .gl-admin-link,
  .gl-button--compact {
    display: none;
  }

  .gl-menu-button {
    display: inline-flex;
  }

  .gl-mobile-menu {
    position: fixed;
    inset: 78px 0 auto;
    display: grid;
    max-height: calc(100dvh - 78px);
    gap: 28px;
    overflow-y: auto;
    padding: 28px var(--gl-gutter) max(28px, env(safe-area-inset-bottom));
    border-bottom: 1px solid var(--gl-line-strong);
    background: var(--gl-bg);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-12px);
    transition: opacity 160ms ease, transform 160ms var(--gl-ease);
  }

  .gl-mobile-menu.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .gl-mobile-menu nav {
    display: grid;
  }

  .gl-mobile-menu nav a {
    display: grid;
    grid-template-columns: 42px 1fr;
    min-height: 58px;
    align-items: center;
    border-bottom: 1px solid var(--gl-line);
    font-size: 20px;
    font-weight: 750;
  }

  .gl-mobile-menu nav a span {
    color: var(--gl-primary);
    font-family: var(--gl-mono);
    font-size: 9px;
  }

  .gl-button--mobile {
    width: 100%;
    padding-inline: 20px;
  }

  .gl-hero__grid {
    grid-template-columns: 1fr;
  }

  .gl-hero__copy {
    max-width: 920px;
  }

  .gl-preview {
    width: 100%;
  }

  .gl-assurance__grid {
    grid-template-columns: 1fr;
    gap: 58px;
  }

  .gl-section-copy {
    position: static;
    max-width: 840px;
  }

  .gl-experiment__heading,
  .gl-workflow__header,
  .gl-closing__grid {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 30px;
  }

  .gl-experiment__heading p:last-child,
  .gl-workflow__header > p,
  .gl-closing__grid > div:last-child p {
    max-width: 760px;
  }

  .gl-module {
    grid-template-columns: 50px minmax(240px, 1fr) auto;
    gap: 22px;
  }

  .gl-module__details {
    grid-column: 2 / -1;
    grid-row: 2;
  }

  .gl-module__action {
    grid-column: 3;
    grid-row: 1;
  }

  .gl-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    row-gap: 50px;
  }

  .gl-steps li:nth-child(2) {
    border-inline-end: 0;
  }

  .gl-steps li:nth-child(3),
  .gl-steps li:nth-child(4) {
    padding-top: 28px;
    border-top: 1px solid var(--gl-line);
  }

  .gl-footer__grid {
    grid-template-columns: 1fr auto;
  }

  .gl-footer p {
    grid-column: 1 / -1;
    padding-bottom: 24px;
    text-align: start;
  }
}

@media (max-width: 760px) {
  :root {
    --gl-gutter: 18px;
  }

  .gl-header__inner {
    min-height: 70px;
  }

  .gl-brand__mark {
    width: 34px;
  }

  .gl-brand__copy small {
    display: none;
  }

  .gl-mobile-menu {
    inset-block-start: 70px;
    max-height: calc(100dvh - 70px);
  }

  .gl-hero {
    padding-block: 54px 72px;
  }

  .gl-hero::before {
    width: 100%;
    opacity: .7;
  }

  .gl-kicker {
    margin-bottom: 20px;
    font-size: 9px;
  }

  .gl-hero h1 {
    font-size: clamp(43px, 13vw, 66px);
    letter-spacing: -.058em;
    line-height: 1.01;
  }

  .gl-lead {
    margin-top: 25px;
    font-size: 16px;
    line-height: 1.68;
  }

  .gl-hero__actions {
    align-items: stretch;
    gap: 16px;
    margin-top: 29px;
  }

  .gl-button--primary {
    width: 100%;
    justify-content: space-between;
  }

  .gl-inline-link {
    width: max-content;
  }

  .gl-trust-list {
    display: grid;
    gap: 11px;
    margin-top: 28px;
    padding-top: 20px;
  }

  .gl-preview__header {
    min-height: 78px;
    padding: 17px;
  }

  .gl-preview__status {
    font-size: 8px;
  }

  .gl-preview__meta {
    grid-template-columns: 1fr;
  }

  .gl-preview__meta > div {
    display: grid;
    grid-template-columns: 80px minmax(0, 1fr);
    align-items: center;
    padding: 11px 16px;
  }

  .gl-preview__meta > div + div {
    border-inline-start: 0;
    border-top: 1px solid var(--gl-line);
  }

  .gl-preview__meta strong {
    margin-top: 0;
  }

  .gl-preview__workspace {
    min-height: 0;
  }

  .gl-preview__table {
    padding: 14px;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scrollbar-width: thin;
  }

  .gl-preview__row {
    width: 520px;
  }

  .gl-preview__chart {
    padding: 17px 10px 4px;
  }

  .gl-preview__chart svg {
    min-height: 220px;
  }

  .gl-preview__note {
    padding-inline: 17px;
  }

  .gl-assurance,
  .gl-experiment,
  .gl-workflow,
  .gl-closing {
    padding-block: 76px;
  }

  .gl-section-copy h2,
  .gl-experiment__heading h2,
  .gl-workflow__header h2,
  .gl-closing h2 {
    font-size: clamp(36px, 11vw, 53px);
  }

  .gl-section-copy > p:last-child,
  .gl-experiment__heading p:last-child,
  .gl-workflow__header > p {
    font-size: 15px;
  }

  .gl-ledger li {
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 15px;
    padding-block: 25px;
  }

  .gl-ledger p {
    font-size: 14px;
  }

  .gl-module {
    grid-template-columns: 36px minmax(0, 1fr);
    margin-top: 38px;
    padding: 24px 0;
  }

  .gl-module__title {
    grid-column: 2;
  }

  .gl-module__details {
    grid-column: 1 / -1;
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 20px 0;
    border-block: 1px solid rgba(255, 255, 255, .18);
  }

  .gl-module__details dd {
    white-space: normal;
  }

  .gl-module__action {
    grid-column: 1 / -1;
    grid-row: auto;
    justify-content: space-between;
  }

  .gl-module:hover .gl-module__details,
  .gl-module:focus-visible .gl-module__details {
    border-color: var(--gl-line);
  }

  .gl-steps {
    grid-template-columns: 1fr;
    row-gap: 0;
    margin-top: 42px;
  }

  .gl-steps li,
  .gl-steps li + li,
  .gl-steps li:nth-child(3),
  .gl-steps li:nth-child(4) {
    padding: 24px 0 30px;
    border-inline-end: 0;
    border-top: 0;
    border-bottom: 1px solid var(--gl-line);
  }

  .gl-steps h3 {
    margin-top: 18px;
  }

  .gl-closing__grid > div:last-child {
    width: 100%;
  }

  .gl-closing .gl-button {
    width: 100%;
    justify-content: space-between;
  }

  .gl-footer__grid {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 26px;
    padding-block: 36px;
  }

  .gl-footer nav {
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 18px 26px;
  }

  .gl-footer p {
    grid-column: auto;
    padding-bottom: 0;
  }
}

@media (max-width: 420px) {
  .gl-hero h1 {
    font-size: 42px;
  }

  .gl-preview__header {
    align-items: flex-start;
  }

  .gl-preview__status {
    margin-top: 4px;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media (forced-colors: active) {
  .gl-button,
  .gl-menu-button,
  .gl-preview,
  .gl-module {
    border: 1px solid ButtonText;
  }

  .gl-chart-area {
    fill: transparent;
  }
}

/* =========================================================
   GEOLAB v3.8 — VIEWPORT SECTIONS + AUTOPLAY LAB PREVIEW
   ========================================================= */

.gl-hero,
.gl-assurance,
.gl-experiment,
.gl-workflow,
.gl-closing {
  min-height: calc(100svh - 78px);
  display: flex;
  align-items: center;
  scroll-margin-top: 78px;
}

.gl-hero > .gl-shell,
.gl-assurance > .gl-shell,
.gl-experiment > .gl-shell,
.gl-workflow > .gl-shell,
.gl-closing > .gl-shell {
  width: min(100%, var(--gl-shell));
}

.gl-section-copy {
  position: static;
  top: auto;
}

.gl-assurance__grid {
  align-items: center;
}

.gl-experiment__heading,
.gl-workflow__header,
.gl-closing__grid {
  width: 100%;
}

.gl-preview {
  position: relative;
  isolation: isolate;
  transform: translateZ(0);
}

.gl-preview::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 8;
  pointer-events: none;
  background: linear-gradient(112deg, transparent 0 38%, rgba(255, 255, 255, .64) 49%, transparent 60% 100%);
  transform: translateX(-145%);
  opacity: 0;
}

.gl-preview.is-demo-running::after {
  animation: gl-demo-scan 8s var(--gl-ease) infinite;
}

.gl-preview__status i {
  animation: gl-demo-status-pulse 1.9s ease-in-out infinite;
}

.gl-demo-cell {
  position: relative;
  overflow: hidden;
}

.gl-demo-cell::after {
  content: "";
  position: absolute;
  inset: 4px;
  z-index: -1;
  border-radius: 4px;
  background: var(--gl-primary-soft);
  opacity: 0;
  transform: scale(.88);
}

.gl-preview[data-demo-phase="measure"] .gl-demo-cell::after {
  animation: gl-demo-cell 1.8s var(--gl-ease) both;
  animation-delay: calc(var(--demo-index) * 90ms);
}

.gl-chart-line {
  stroke-dasharray: 1;
  stroke-dashoffset: 0;
}

.gl-preview[data-demo-phase="analysis"] .gl-chart-line {
  animation: gl-demo-line 1.55s var(--gl-ease) both;
}

.gl-preview[data-demo-phase="analysis"] .gl-chart-points circle {
  transform-box: fill-box;
  transform-origin: center;
  animation: gl-demo-point .48s var(--gl-ease) both;
}

.gl-preview[data-demo-phase="analysis"] .gl-chart-points circle:nth-child(1) { animation-delay: .18s; }
.gl-preview[data-demo-phase="analysis"] .gl-chart-points circle:nth-child(2) { animation-delay: .32s; }
.gl-preview[data-demo-phase="analysis"] .gl-chart-points circle:nth-child(3) { animation-delay: .46s; }
.gl-preview[data-demo-phase="analysis"] .gl-chart-points circle:nth-child(4) { animation-delay: .60s; }
.gl-preview[data-demo-phase="analysis"] .gl-chart-points circle:nth-child(5) { animation-delay: .74s; }

.gl-preview[data-demo-phase="analysis"] .gl-chart-guide {
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  animation: gl-demo-guide .72s var(--gl-ease) .9s both;
}

.gl-preview[data-demo-phase="result"] .gl-preview__results dd {
  animation: gl-demo-result .7s var(--gl-ease) both;
}

.gl-preview[data-demo-phase="result"] .gl-preview__results > div:nth-child(2) dd { animation-delay: .12s; }
.gl-preview[data-demo-phase="result"] .gl-preview__results > div:nth-child(3) dd { animation-delay: .24s; }

.gl-preview[data-demo-phase="export"] .gl-preview__formula {
  animation: gl-demo-export .9s var(--gl-ease) both;
}

.gl-preview__activity {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  padding: 13px 24px 17px;
  border-top: 1px solid var(--gl-line);
  background: #fbfcfa;
  color: var(--gl-muted);
  font-family: var(--gl-mono);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.gl-preview__activity span:nth-child(2),
.gl-preview__activity span:nth-child(3) {
  text-align: center;
}

.gl-preview__activity span:nth-child(4) {
  text-align: end;
}

.gl-preview__activity-track {
  grid-column: 1 / -1;
  height: 3px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--gl-line);
}

.gl-preview__activity-track i {
  display: block;
  width: var(--demo-progress, 25%);
  height: 100%;
  border-radius: inherit;
  background: var(--gl-primary);
  transition: width 600ms var(--gl-ease);
}

@keyframes gl-demo-scan {
  0%, 76% { opacity: 0; transform: translateX(-145%); }
  82% { opacity: .42; }
  96% { opacity: 0; transform: translateX(145%); }
  100% { opacity: 0; transform: translateX(145%); }
}

@keyframes gl-demo-status-pulse {
  0%, 100% { transform: scale(1); box-shadow: 0 0 0 4px rgba(62, 122, 90, .12); }
  50% { transform: scale(1.12); box-shadow: 0 0 0 8px rgba(62, 122, 90, .06); }
}

@keyframes gl-demo-cell {
  0% { opacity: 0; transform: scale(.86); }
  38%, 74% { opacity: 1; transform: scale(1); }
  100% { opacity: 0; transform: scale(1.04); }
}

@keyframes gl-demo-line {
  from { stroke-dashoffset: 1; }
  to { stroke-dashoffset: 0; }
}

@keyframes gl-demo-point {
  from { opacity: 0; transform: scale(.2); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes gl-demo-guide {
  from { opacity: 0; stroke-dashoffset: 1; }
  to { opacity: 1; stroke-dashoffset: 0; }
}

@keyframes gl-demo-result {
  0% { opacity: .35; transform: translateY(5px); }
  55% { color: var(--gl-warning); transform: translateY(0); }
  100% { opacity: 1; color: var(--gl-primary-strong); transform: translateY(0); }
}

@keyframes gl-demo-export {
  0% { background: transparent; }
  45% { background: rgba(36, 83, 61, .08); }
  100% { background: transparent; }
}

@media (min-width: 1181px) and (max-height: 820px) {
  .gl-hero,
  .gl-assurance,
  .gl-experiment,
  .gl-workflow,
  .gl-closing {
    min-height: auto;
  }
}

@media (max-width: 1180px) {
  .gl-hero,
  .gl-assurance,
  .gl-experiment,
  .gl-workflow,
  .gl-closing {
    min-height: calc(100svh - 78px);
  }
}

@media (max-width: 760px) {
  .gl-hero,
  .gl-assurance,
  .gl-experiment,
  .gl-workflow,
  .gl-closing {
    min-height: calc(100svh - 70px);
    scroll-margin-top: 70px;
  }

  .gl-preview__activity {
    padding-inline: 17px;
    gap: 6px;
    font-size: 7px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .gl-preview::after,
  .gl-preview__status i,
  .gl-demo-cell::after,
  .gl-chart-line,
  .gl-chart-points circle,
  .gl-chart-guide,
  .gl-preview__results dd,
  .gl-preview__formula {
    animation: none !important;
  }

  .gl-preview__activity-track i {
    width: 100% !important;
    transition: none;
  }
}