@font-face {
  font-family: "Archivo";
  src: url("../assets/fonts/archivo-600.woff2") format("woff2");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}

@font-face {
  font-family: "Archivo";
  src: url("../assets/fonts/archivo-700.woff2") format("woff2");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

@font-face {
  font-family: "Archivo";
  src: url("../assets/fonts/archivo-800.woff2") format("woff2");
  font-style: normal;
  font-weight: 800;
  font-display: swap;
}

@font-face {
  font-family: "Archivo";
  src: url("../assets/fonts/archivo-900.woff2") format("woff2");
  font-style: normal;
  font-weight: 900;
  font-display: swap;
}

@font-face {
  font-family: "Source Sans 3";
  src: url("../assets/fonts/sourcesans-400.ttf") format("truetype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Source Sans 3";
  src: url("../assets/fonts/sourcesans-600.ttf") format("truetype");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}

@font-face {
  font-family: "Source Sans 3";
  src: url("../assets/fonts/sourcesans-700.ttf") format("truetype");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

:root {
  --page: #f4eee1;
  --paper: #fbf8f1;
  --ink: #14212e;
  --ink-2: #24333f;
  --ochre: #c6892f;
  --ochre-light: #e0a94b;
  --clay: #b24a2e;
  --clay-dark: #963b22;
  --cream-2: #ede4d2;
  --muted: #6a6357;
  --rule: #d9cdb6;
  --white: #fffdf8;
  --display: "Archivo", "Arial Narrow", system-ui, sans-serif;
  --body: "Source Sans 3", "Helvetica Neue", Arial, sans-serif;
  --ease: cubic-bezier(.22, 1, .36, 1);
  --shadow: 0 24px 70px rgba(20, 33, 46, .16);
}

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

html {
  background: var(--page);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: clip;
  background: var(--page);
  color: var(--ink);
  font-family: var(--body);
  font-size: 1rem;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

body,
button,
input,
textarea {
  font-family: var(--body);
}

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

a {
  color: inherit;
}

button,
input,
textarea {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid var(--ochre-light);
  outline-offset: 3px;
}

::selection {
  background: var(--ochre);
  color: var(--ink);
}

.shell {
  width: min(100% - clamp(2.5rem, 8vw, 8rem), 1280px);
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  top: -5rem;
  left: .8rem;
  z-index: 1000;
  padding: .7rem 1rem;
  background: var(--ochre);
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
}

.skip-link:focus {
  top: .8rem;
}

.eyebrow {
  margin: 0 0 .8rem;
  color: var(--clay);
  font-family: var(--body);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .22em;
  line-height: 1.2;
  text-transform: uppercase;
}

.button {
  display: inline-flex;
  min-height: 3.25rem;
  align-items: center;
  justify-content: center;
  gap: .7rem;
  border: 1px solid var(--clay);
  border-radius: 2px;
  padding: .85rem 1.2rem;
  background: var(--clay);
  color: var(--white);
  cursor: pointer;
  font-size: .98rem;
  font-weight: 700;
  line-height: 1;
  text-align: center;
  text-decoration: none;
  transition:
    background-color 220ms var(--ease),
    border-color 220ms var(--ease),
    color 220ms var(--ease),
    transform 220ms var(--ease);
}

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

.button:active {
  transform: translateY(0);
}

.button:disabled {
  border-color: #7e8184;
  background: #7e8184;
  cursor: not-allowed;
  transform: none;
}

.button--small {
  min-height: 2.6rem;
  padding: .65rem .95rem;
  font-size: .9rem;
}

.button--full {
  width: 100%;
  margin-top: 1.2rem;
}

.text-link {
  display: inline-flex;
  align-items: center;
  border-bottom: 1px solid currentColor;
  color: var(--ink);
  font-size: .95rem;
  font-weight: 700;
  line-height: 1.35;
  text-decoration: none;
}

.text-link:hover {
  color: var(--clay);
}

.text-link--light {
  color: var(--white);
}

.site-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 100;
  border-bottom: 1px solid rgba(244, 238, 225, .18);
  color: var(--white);
}

.site-header__inner {
  display: flex;
  min-height: 78px;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  line-height: 0;
}

.brand img {
  width: 120px;
  height: auto;
}

.site-header .brand {
  filter: brightness(0) invert(1);
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.5vw, 2.2rem);
}

.primary-nav > a:not(.button) {
  position: relative;
  color: var(--white);
  font-size: .92rem;
  font-weight: 600;
  text-decoration: none;
}

.primary-nav > a:not(.button)::after {
  position: absolute;
  right: 0;
  bottom: -.35rem;
  left: 0;
  height: 2px;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--ochre-light);
  content: "";
  transition: transform 220ms var(--ease);
}

.primary-nav > a:not(.button):hover::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
}

.hero {
  position: relative;
  min-height: 880px;
  overflow: hidden;
  padding: clamp(8rem, 13vw, 11rem) 0 clamp(7.5rem, 12vw, 11rem);
  background: var(--ink);
  color: var(--white);
}

.hero::after {
  position: absolute;
  right: -12vw;
  bottom: -16vw;
  width: 46vw;
  height: 46vw;
  border: 1px solid rgba(224, 169, 75, .25);
  border-radius: 50%;
  box-shadow:
    0 0 0 5vw rgba(198, 137, 47, .05),
    0 0 0 10vw rgba(198, 137, 47, .035);
  content: "";
}

.hero__material {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(20, 33, 46, .95) 0%, rgba(20, 33, 46, .68) 52%, rgba(20, 33, 46, .2) 100%),
    url("../assets/img/tex/brand-material.webp") center / cover no-repeat;
  mix-blend-mode: luminosity;
  opacity: .24;
}

.hero__grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  align-items: center;
  gap: clamp(1.2rem, 2.5vw, 2.2rem);
}

.hero__copy {
  grid-column: 1 / span 6;
  padding-top: 1rem;
}

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

.hero h1,
.promise h2,
.process h2,
.bridge h2,
.workbench h2 {
  margin: 0;
  font-family: var(--display);
  font-weight: 900;
  letter-spacing: -.045em;
  line-height: .92;
}

.hero h1 {
  max-width: 9.5ch;
  color: var(--white);
  font-size: clamp(3.7rem, 7.2vw, 7.25rem);
}

.hero h1 em {
  color: var(--ochre-light);
  font-style: normal;
}

.hero__lead {
  max-width: 36ch;
  margin: 1.8rem 0 .75rem;
  color: var(--white);
  font-size: clamp(1.18rem, 2vw, 1.48rem);
  font-weight: 600;
  line-height: 1.35;
}

.hero__detail {
  max-width: 49ch;
  margin: 0;
  color: rgba(255, 253, 248, .68);
  font-size: 1.02rem;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-top: 2rem;
}

.hero .text-link {
  color: var(--white);
}

.hero__facts {
  display: grid;
  max-width: 34rem;
  grid-template-columns: repeat(3, 1fr);
  margin: 3.6rem 0 0;
  border-top: 1px solid rgba(244, 238, 225, .2);
}

.hero__facts div {
  display: grid;
  gap: .2rem;
  padding: 1.1rem 1rem 0 0;
}

.hero__facts dt {
  color: var(--ochre-light);
  font-family: var(--display);
  font-size: 1.45rem;
  font-weight: 900;
  line-height: 1;
}

.hero__facts dd {
  margin: 0;
  color: rgba(255, 253, 248, .68);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.hero-art {
  position: relative;
  grid-column: 8 / -1;
  min-height: 610px;
}

.hero-art__scene {
  position: absolute;
  inset: 1.5rem 0 0;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(244, 238, 225, .25);
  border-radius: 2px;
  background: var(--ink-2);
  box-shadow: 0 36px 80px rgba(0, 0, 0, .34);
}

.hero-art__scene::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 54%, rgba(20, 33, 46, .82) 100%);
  content: "";
}

.hero-art__scene img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 56% center;
}

.hero-art__pack {
  position: absolute;
  right: -3rem;
  bottom: -2.5rem;
  z-index: 3;
  width: min(63%, 340px);
  aspect-ratio: 4 / 3;
  margin: 0;
  overflow: hidden;
  border: 10px solid var(--page);
  border-radius: 2px;
  background: var(--page);
  box-shadow: var(--shadow);
}

.hero-art__pack img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 52%;
}

.hero-art__note {
  position: absolute;
  bottom: 1.8rem;
  left: -2.4rem;
  z-index: 4;
  display: grid;
  max-width: 15.5rem;
  gap: .2rem;
  border-left: 4px solid var(--ochre);
  padding: .85rem 1rem;
  background: var(--ink);
  box-shadow: 0 16px 40px rgba(0, 0, 0, .3);
}

.hero-art__note span {
  color: rgba(255, 253, 248, .62);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.hero-art__note strong {
  color: var(--white);
  font-family: var(--display);
  font-size: .98rem;
  line-height: 1.25;
}

.diagonal-transition {
  position: relative;
  z-index: 10;
  height: 0;
  pointer-events: none;
}

.diagonal-transition span {
  position: absolute;
  right: 0;
  bottom: -2.25rem;
  left: 0;
  height: 8.8rem;
  transform: translateY(56px);
  clip-path: polygon(0 66%, 100% 0, 100% 100%, 0 100%);
  background: var(--ochre);
  transition: transform 650ms var(--ease);
}

.diagonal-transition.is-in span {
  transform: translateY(0);
}

.promise {
  position: relative;
  z-index: 4;
  padding: clamp(8rem, 14vw, 12rem) 0 clamp(6rem, 10vw, 9rem);
  background: var(--page);
}

.promise__grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 2rem;
}

.section-index {
  grid-column: 1 / span 2;
  padding-top: .5rem;
  color: var(--muted);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .13em;
}

.promise__statement {
  grid-column: 3 / span 6;
}

.promise h2 {
  max-width: 11ch;
  font-size: clamp(2.9rem, 5.6vw, 5.6rem);
}

.promise h2 em {
  color: var(--clay);
  font-style: normal;
}

.promise__copy {
  grid-column: 10 / -1;
  align-self: end;
  padding-bottom: .4rem;
}

.promise__copy p {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.promise__copy p:first-child {
  color: var(--ink);
  font-size: 1.16rem;
  font-weight: 600;
}

.process {
  padding: clamp(5rem, 9vw, 8rem) 0;
  background: var(--cream-2);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(18rem, 3fr);
  align-items: end;
  gap: 2rem;
  margin-bottom: 3rem;
}

.section-heading h2 {
  max-width: 13ch;
  font-size: clamp(2.7rem, 5.3vw, 5.2rem);
}

.section-heading > p {
  max-width: 35ch;
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.process-panels {
  display: flex;
  min-height: 570px;
  gap: 1px;
  overflow: hidden;
  background: var(--ink);
}

.process-panel {
  position: relative;
  display: grid;
  flex: 0 0 25%;
  width: auto;
  min-width: 0;
  overflow: hidden;
  grid-template-rows: auto 1fr;
  background: var(--paper);
  transition: flex-basis 450ms var(--ease);
}

.process-panel.is-active {
  flex-basis: 50%;
}

.process-panel__button {
  display: flex;
  width: 100%;
  min-height: 6.3rem;
  align-items: center;
  gap: 1rem;
  border: 0;
  border-bottom: 1px solid var(--rule);
  padding: 1.2rem;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  text-align: left;
}

.process-panel__button:hover {
  background: rgba(198, 137, 47, .1);
}

.process-panel__number {
  color: var(--ochre);
  font-family: var(--display);
  font-size: 1.15rem;
  font-weight: 900;
}

.process-panel__label {
  font-family: var(--display);
  font-size: .95rem;
  font-weight: 800;
  line-height: 1.15;
}

.process-panel__body {
  position: relative;
  min-height: 0;
}

.process-panel__copy {
  position: relative;
  z-index: 2;
  width: min(100%, 31rem);
  padding: clamp(1.4rem, 3vw, 2.3rem);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition:
    opacity 260ms var(--ease),
    transform 450ms var(--ease);
}

.process-panel.is-active .process-panel__copy {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.process-panel__kicker {
  margin: 0 0 .65rem;
  color: var(--clay);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.process-panel h3 {
  max-width: 11ch;
  margin: 0 0 .85rem;
  font-family: var(--display);
  font-size: clamp(1.75rem, 3vw, 2.75rem);
  font-weight: 900;
  letter-spacing: -.035em;
  line-height: .98;
}

.process-panel__copy > p:last-child {
  max-width: 39ch;
  margin: 0;
  color: var(--muted);
}

.process-panel__media {
  position: absolute;
  inset: auto 0 0 auto;
  width: 72%;
  height: 40%;
  margin: 0;
  overflow: hidden;
  border-top: 4px solid var(--ochre);
  opacity: 0;
  transform: translateX(10%);
  transition:
    opacity 450ms var(--ease),
    transform 450ms var(--ease);
}

.process-panel.is-active .process-panel__media {
  opacity: 1;
  transform: translateX(0);
}

.process-panel__media::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(251, 248, 241, .72), transparent 35%);
  content: "";
}

.process-panel__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

[data-panel="name"] .process-panel__media img {
  object-position: 55% 42%;
}

[data-panel="bound"] .process-panel__media img {
  object-position: 50% 40%;
}

[data-panel="prove"] .process-panel__media img {
  object-position: 50% 52%;
}

.bridge {
  position: relative;
  overflow: hidden;
  padding: clamp(6rem, 11vw, 10rem) 0;
  background: var(--paper);
}

.bridge__art {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(251, 248, 241, .98) 0%, rgba(251, 248, 241, .95) 48%, rgba(251, 248, 241, .58) 100%),
    url("../assets/img/tex/young-builder.webp") 70% center / cover no-repeat;
  opacity: .95;
}

.bridge__grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 2rem;
}

.bridge__copy {
  grid-column: 1 / span 6;
}

.bridge h2 {
  max-width: 10.5ch;
  font-size: clamp(2.7rem, 5.2vw, 5.3rem);
}

.bridge__copy > p:last-child {
  max-width: 48ch;
  margin: 1.5rem 0 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.bridge__list {
  grid-column: 8 / -1;
  align-self: center;
  margin: 0;
  padding: 0;
  list-style: none;
}

.bridge__list li {
  display: grid;
  grid-template-columns: 2rem minmax(8rem, .75fr) minmax(10rem, 1fr);
  align-items: baseline;
  gap: 1rem;
  border-bottom: 1px solid rgba(20, 33, 46, .18);
  padding: 1rem 0;
}

.bridge__list span {
  color: var(--clay);
  font-family: var(--display);
  font-size: .8rem;
  font-weight: 900;
}

.bridge__list strong {
  font-family: var(--display);
  font-size: 1.05rem;
  font-weight: 800;
}

.bridge__list small {
  color: var(--muted);
  font-size: .92rem;
}

.workbench {
  padding: clamp(6rem, 10vw, 9rem) 0;
  background: var(--ink);
  color: var(--white);
}

.section-heading--light h2 {
  color: var(--white);
}

.section-heading--light > p {
  color: rgba(255, 253, 248, .65);
}

.workbench .eyebrow {
  color: var(--ochre-light);
}

.workbench__grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(24rem, 5fr);
  align-items: start;
  gap: clamp(1.5rem, 3vw, 3rem);
}

.experiment-form {
  display: grid;
  gap: 1rem;
}

.form-section {
  border: 1px solid rgba(244, 238, 225, .16);
  padding: clamp(1.35rem, 3vw, 2.25rem);
  background: rgba(255, 255, 255, .035);
}

.form-section__heading {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.form-section__heading > span {
  color: var(--ochre-light);
  font-family: var(--display);
  font-size: 1.4rem;
  font-weight: 900;
  line-height: 1;
}

.form-section__heading .eyebrow {
  margin-bottom: .35rem;
}

.form-section h3,
.card-stage h3 {
  margin: 0;
  color: var(--white);
  font-family: var(--display);
  font-size: 1.45rem;
  font-weight: 800;
  line-height: 1.05;
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.field {
  position: relative;
  display: grid;
  gap: .5rem;
  margin-bottom: 1rem;
}

.field label,
.signal-fieldset legend {
  color: var(--white);
  font-size: .9rem;
  font-weight: 700;
}

.field input,
.field textarea {
  width: 100%;
  border: 1px solid rgba(244, 238, 225, .3);
  border-radius: 2px;
  padding: .85rem .9rem;
  background: rgba(255, 255, 255, .055);
  color: var(--white);
  caret-color: var(--ochre-light);
  resize: vertical;
}

.field input::placeholder,
.field textarea::placeholder {
  color: rgba(255, 253, 248, .42);
}

.field input:hover,
.field textarea:hover {
  border-color: rgba(224, 169, 75, .62);
}

.field input:focus,
.field textarea:focus {
  border-color: var(--ochre-light);
  outline: 2px solid transparent;
  box-shadow: 0 0 0 2px rgba(224, 169, 75, .22);
}

.field > small {
  position: absolute;
  right: .65rem;
  bottom: .45rem;
  color: rgba(255, 253, 248, .48);
  font-size: .7rem;
}

.hp-field {
  position: absolute !important;
  left: -10000px !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
}

.signal-fieldset {
  display: grid;
  gap: .55rem;
  margin: .3rem 0 0;
  border: 0;
  padding: 0;
}

.signal-fieldset legend {
  margin-bottom: .65rem;
}

.signal-fieldset > label {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: .75rem;
  border: 1px solid rgba(244, 238, 225, .18);
  padding: .8rem;
  cursor: pointer;
}

.signal-fieldset > label:has(input:checked) {
  border-color: var(--ochre-light);
  background: rgba(198, 137, 47, .12);
}

.signal-fieldset input {
  width: 1rem;
  height: 1rem;
  margin: .2rem 0 0;
  accent-color: var(--ochre-light);
}

.signal-fieldset span {
  display: grid;
  gap: .12rem;
}

.signal-fieldset strong {
  color: var(--white);
  font-size: .9rem;
}

.signal-fieldset small {
  color: rgba(255, 253, 248, .54);
  font-size: .82rem;
}

.privacy-note {
  margin: .25rem 0 0;
  color: rgba(255, 253, 248, .58);
  font-size: .8rem;
}

.privacy-note a,
.form-error a {
  color: var(--ochre-light);
  font-weight: 700;
}

.form-error {
  margin-top: 1rem;
  border-left: 3px solid var(--clay);
  padding: .75rem 1rem;
  background: rgba(178, 74, 46, .14);
  color: var(--white);
  font-size: .88rem;
}

.card-stage {
  position: sticky;
  top: 1.5rem;
  min-width: 0;
}

.card-stage__top {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.lock-state {
  border: 1px solid rgba(244, 238, 225, .3);
  padding: .35rem .55rem;
  color: rgba(255, 253, 248, .62);
  font-size: .66rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.lock-state.is-unlocked {
  border-color: var(--ochre-light);
  color: var(--ochre-light);
}

.experiment-card {
  position: relative;
  overflow: hidden;
  aspect-ratio: 210 / 297;
  min-height: 620px;
  padding: clamp(1rem, 2vw, 1.55rem);
  background:
    linear-gradient(rgba(251, 248, 241, .96), rgba(251, 248, 241, .96)),
    url("../assets/img/tex/brand-material.webp") center / cover;
  box-shadow: 0 28px 70px rgba(0, 0, 0, .34);
  color: var(--ink);
}

.experiment-card::after {
  position: absolute;
  right: -4rem;
  bottom: -4rem;
  width: 11rem;
  height: 11rem;
  border: 1.5rem solid var(--ochre);
  border-radius: 50%;
  content: "";
  opacity: .18;
}

.experiment-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 2px solid var(--ink);
  padding-bottom: .75rem;
}

.experiment-card__header img {
  width: 92px;
  height: auto;
}

.experiment-card__header span {
  color: var(--clay);
  font-size: .56rem;
  font-weight: 700;
  letter-spacing: .12em;
}

.experiment-card__title {
  display: grid;
  grid-template-columns: 3.25rem 1fr;
  gap: 1rem;
  padding: 1rem 0;
}

.experiment-card__title > span,
.experiment-card__facts span {
  color: var(--clay);
  font-size: .55rem;
  font-weight: 700;
  letter-spacing: .1em;
}

.experiment-card__title h4 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(1.2rem, 2.4vw, 1.85rem);
  font-weight: 900;
  letter-spacing: -.035em;
  line-height: 1.02;
}

.experiment-card__facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}

.experiment-card__facts div {
  display: grid;
  align-content: start;
  gap: .15rem;
  min-height: 4.1rem;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: .6rem;
}

.experiment-card__facts strong {
  display: -webkit-box;
  overflow: hidden;
  font-size: .75rem;
  line-height: 1.22;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.experiment-card__days {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin: .9rem 0 0;
  padding: 0;
  list-style: none;
}

.experiment-card__days li {
  display: grid;
  min-height: 3.6rem;
  grid-template-columns: 2.5rem 1fr;
  grid-template-rows: auto auto;
  column-gap: .5rem;
  border-bottom: 1px solid var(--rule);
  padding: .45rem .45rem .45rem 0;
}

.experiment-card__days li:nth-child(odd) {
  margin-right: .65rem;
}

.experiment-card__days li:nth-child(even) {
  margin-left: .65rem;
}

.experiment-card__days span {
  grid-row: 1 / 3;
  color: var(--ochre);
  font-family: var(--display);
  font-size: .62rem;
  font-weight: 900;
}

.experiment-card__days strong {
  font-family: var(--display);
  font-size: .69rem;
  line-height: 1.15;
}

.experiment-card__days small {
  color: var(--muted);
  font-size: .55rem;
  line-height: 1.15;
}

.experiment-card__notes {
  display: grid;
  grid-template-columns: 3.25rem 1fr;
  gap: .6rem;
  margin-top: .8rem;
  border-top: 2px solid var(--ink);
  padding-top: .55rem;
}

.experiment-card__notes > span {
  color: var(--clay);
  font-size: .52rem;
  font-weight: 700;
  letter-spacing: .09em;
}

.experiment-card__notes > div {
  display: grid;
  gap: .3rem;
}

.experiment-card__notes p {
  min-height: 1.35rem;
  margin: 0;
  border-bottom: 1px solid var(--rule);
  color: var(--muted);
  font-size: .5rem;
}

.experiment-card__notes strong {
  color: var(--ink);
  font-size: .55rem;
}

.experiment-card__footer {
  position: absolute;
  right: 1.55rem;
  bottom: 1.15rem;
  left: 1.55rem;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
  font-size: .55rem;
}

.experiment-card__footer strong {
  color: var(--ink);
  font-size: .62rem;
}

.card-stage__actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1rem;
}

.button--print {
  flex: 0 0 auto;
  min-height: 2.85rem;
  background: var(--ochre);
  border-color: var(--ochre);
  color: var(--ink);
}

.button--print:hover {
  background: var(--ochre-light);
  border-color: var(--ochre-light);
}

.card-stage__status {
  margin: .85rem 0 0;
  color: rgba(255, 253, 248, .55);
  font-size: .78rem;
}

.site-footer {
  padding: clamp(4rem, 8vw, 6.5rem) 0 1.5rem;
  border-top: 1px solid rgba(244, 238, 225, .14);
  background: var(--ink);
  color: var(--white);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
  padding-bottom: 3rem;
}

.site-footer .brand img {
  width: 138px;
}

.site-footer__grid > div {
  display: grid;
  align-content: start;
  gap: .55rem;
}

.site-footer__grid p {
  max-width: 32ch;
  margin: .8rem 0 0;
  color: rgba(255, 253, 248, .58);
}

.site-footer__grid a {
  width: fit-content;
  color: rgba(255, 253, 248, .78);
  text-decoration: none;
}

.site-footer__grid a:hover {
  color: var(--ochre-light);
}

.site-footer__label {
  margin: 0 0 .5rem !important;
  color: var(--ochre-light) !important;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.site-footer__bottom {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  border-top: 1px solid rgba(244, 238, 225, .14);
  padding-top: 1.5rem;
  color: rgba(255, 253, 248, .44);
  font-size: .78rem;
}

@media (max-width: 1080px) {
  .hero {
    min-height: 790px;
  }

  .hero__copy {
    grid-column: 1 / span 7;
  }

  .hero-art {
    grid-column: 8 / -1;
    min-height: 540px;
  }

  .hero-art__pack {
    right: -1rem;
    width: 70%;
  }

  .promise__statement {
    grid-column: 3 / span 7;
  }

  .promise__copy {
    grid-column: 10 / -1;
  }

  .workbench__grid {
    grid-template-columns: minmax(0, 1fr) minmax(22rem, .72fr);
  }

  .experiment-card {
    min-height: 560px;
  }

  .experiment-card__days small {
    display: none;
  }
}

@media (max-width: 880px) {
  .shell {
    width: min(100% - 2.5rem, 760px);
  }

  .site-header {
    position: absolute;
  }

  .nav-toggle {
    display: inline-flex;
    min-height: 2.65rem;
    align-items: center;
    gap: .7rem;
    border: 1px solid rgba(255, 253, 248, .34);
    border-radius: 2px;
    padding: .6rem .75rem;
    background: transparent;
    color: var(--white);
    cursor: pointer;
    font-size: .85rem;
    font-weight: 700;
  }

  .nav-toggle__lines,
  .nav-toggle__lines::before,
  .nav-toggle__lines::after {
    display: block;
    width: 17px;
    height: 1.5px;
    background: currentColor;
    content: "";
  }

  .nav-toggle__lines {
    position: relative;
  }

  .nav-toggle__lines::before {
    position: absolute;
    top: -5px;
  }

  .nav-toggle__lines::after {
    position: absolute;
    top: 5px;
  }

  .primary-nav {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: none;
    align-items: stretch;
    gap: 0;
    border-bottom: 1px solid rgba(244, 238, 225, .18);
    padding: .75rem 1.25rem 1.25rem;
    background: var(--ink);
  }

  .primary-nav.is-open {
    display: grid;
  }

  .primary-nav > a:not(.button) {
    border-bottom: 1px solid rgba(244, 238, 225, .12);
    padding: .9rem .25rem;
  }

  .primary-nav .button {
    margin-top: .75rem;
  }

  .hero {
    min-height: auto;
    padding-bottom: 8rem;
  }

  .hero__grid {
    column-gap: 0;
    row-gap: 3.5rem;
  }

  .hero__copy,
  .hero-art {
    grid-column: 1 / -1;
  }

  .hero h1 {
    max-width: 10ch;
  }

  .hero-art {
    min-height: 510px;
  }

  .hero-art__scene {
    inset: 0 8% 0 0;
  }

  .hero-art__pack {
    right: 0;
    bottom: -1.5rem;
    width: min(50%, 300px);
  }

  .hero-art__note {
    left: -1rem;
  }

  .promise__grid {
    grid-template-columns: repeat(8, minmax(0, 1fr));
  }

  .section-index {
    grid-column: 1 / span 2;
  }

  .promise__statement {
    grid-column: 3 / -1;
  }

  .promise__copy {
    grid-column: 3 / -1;
  }

  .section-heading {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .section-heading > p {
    max-width: 48ch;
  }

  .process-panels {
    display: grid;
    min-height: 0;
    gap: 1px;
  }

  .process-panel,
  .process-panel.is-active {
    flex-basis: auto;
    width: 100%;
    min-height: 0;
  }

  .process-panel__body {
    display: none;
    min-height: 480px;
  }

  .process-panel.is-active .process-panel__body {
    display: block;
  }

  .process-panel__copy {
    padding: 1.5rem;
  }

  .process-panel__media {
    width: 80%;
    height: 40%;
  }

  .bridge__grid {
    grid-template-columns: repeat(8, minmax(0, 1fr));
  }

  .bridge__copy {
    grid-column: 1 / span 6;
  }

  .bridge__list {
    grid-column: 2 / -1;
    margin-top: 2rem;
  }

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

  .card-stage {
    position: static;
    max-width: 620px;
    margin-inline: auto;
  }

  .experiment-card {
    min-height: 0;
  }
}

@media (max-width: 560px) {
  .shell {
    width: min(100% - 2rem, 500px);
  }

  .hero {
    padding-top: 7.5rem;
  }

  .hero h1 {
    font-size: clamp(3.2rem, 15vw, 4.7rem);
  }

  .hero__actions,
  .card-stage__actions {
    align-items: stretch;
    flex-direction: column;
  }

  .hero__actions .text-link,
  .card-stage__actions .text-link {
    width: fit-content;
  }

  .hero__facts {
    margin-top: 2.5rem;
  }

  .hero-art {
    min-height: 390px;
  }

  .hero-art__scene {
    right: 0;
  }

  .hero-art__pack {
    width: 48%;
    border-width: 6px;
  }

  .hero-art__note {
    bottom: .5rem;
    left: -.35rem;
    max-width: 13rem;
  }

  .diagonal-transition span {
    height: 6.5rem;
    clip-path: polygon(0 72%, 100% 18%, 100% 100%, 0 100%);
  }

  .promise {
    padding-top: 6.5rem;
  }

  .promise__grid {
    display: block;
  }

  .section-index {
    margin-bottom: 2rem;
  }

  .promise h2,
  .section-heading h2,
  .bridge h2,
  .workbench h2 {
    font-size: clamp(2.45rem, 12vw, 3.7rem);
  }

  .promise__copy {
    margin-top: 1.5rem;
  }

  .process-panel__body {
    min-height: 460px;
  }

  .process-panel__media {
    width: 100%;
    height: 38%;
  }

  .bridge__art {
    background:
      linear-gradient(rgba(251, 248, 241, .94), rgba(251, 248, 241, .94)),
      url("../assets/img/tex/young-builder.webp") 72% center / cover no-repeat;
  }

  .bridge__grid {
    display: block;
  }

  .bridge__list li {
    grid-template-columns: 2rem 1fr;
  }

  .bridge__list small {
    grid-column: 2;
  }

  .field-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .form-section {
    padding: 1.2rem;
  }

  .experiment-card {
    min-height: 0;
    padding: .85rem;
  }

  .experiment-card__title {
    grid-template-columns: 2.5rem 1fr;
    padding: .75rem 0;
  }

  .experiment-card__notes {
    display: none;
  }

  .experiment-card__title h4 {
    font-size: 1rem;
  }

  .experiment-card__facts div {
    min-height: 3.55rem;
    padding: .45rem;
  }

  .experiment-card__facts strong {
    font-size: .62rem;
  }

  .experiment-card__days {
    margin-top: .55rem;
  }

  .experiment-card__days li {
    min-height: 2.7rem;
    grid-template-columns: 2rem 1fr;
    padding: .3rem .3rem .3rem 0;
  }

  .experiment-card__days strong {
    font-size: .57rem;
  }

  .experiment-card__footer {
    right: .85rem;
    bottom: .7rem;
    left: .85rem;
  }

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

  .site-footer__bottom {
    flex-direction: column;
  }
}

@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;
  }

  .diagonal-transition span,
  .diagonal-transition.is-in span {
    transform: translateY(0);
  }

  .process-panels {
    display: grid;
    min-height: 0;
    gap: 1px;
  }

  .process-panel,
  .process-panel.is-active {
    flex-basis: auto;
    width: 100%;
  }

  .process-panel__body {
    display: block;
    min-height: 440px;
  }

  .process-panel__copy,
  .process-panel.is-active .process-panel__copy,
  .process-panel__media,
  .process-panel.is-active .process-panel__media {
    opacity: 1;
    transform: none;
  }
}

@media print {
  @page {
    size: A4 portrait;
    margin: 10mm;
  }

  body {
    background: #fff !important;
  }

  body > * {
    display: none !important;
  }

  main > * {
    display: none !important;
  }

  body > main,
  main > .workbench,
  .workbench > .shell,
  .workbench__grid,
  .card-stage,
  #print-card {
    display: block !important;
  }

  main > .workbench {
    padding: 0 !important;
    background: #fff !important;
  }

  .workbench > .shell {
    width: 100% !important;
    max-width: none !important;
  }

  .workbench .section-heading,
  .experiment-form,
  .card-stage > :not(#print-card) {
    display: none !important;
  }

  .card-stage {
    position: static !important;
    width: 100% !important;
    max-width: none !important;
    margin: 0 !important;
  }

  #print-card {
    position: relative;
    width: 190mm;
    height: 277mm;
    min-height: 0;
    margin: 0;
    padding: 10mm;
    box-shadow: none;
    print-color-adjust: exact;
    -webkit-print-color-adjust: exact;
  }

  .experiment-card__header img {
    width: 32mm;
  }

  .experiment-card__header span,
  .experiment-card__title > span,
  .experiment-card__facts span {
    font-size: 8pt;
  }

  .experiment-card__title {
    grid-template-columns: 22mm 1fr;
    padding: 8mm 0;
  }

  .experiment-card__title h4 {
    font-size: 24pt;
  }

  .experiment-card__facts div {
    min-height: 24mm;
    padding: 4mm;
  }

  .experiment-card__facts strong {
    font-size: 11pt;
  }

  .experiment-card__days {
    margin-top: 6mm;
  }

  .experiment-card__days li {
    min-height: 20mm;
    grid-template-columns: 17mm 1fr;
    padding: 3mm 3mm 3mm 0;
  }

  .experiment-card__days span {
    font-size: 9pt;
  }

  .experiment-card__days strong {
    font-size: 11pt;
  }

  .experiment-card__days small {
    display: block;
    font-size: 8pt;
  }

  .experiment-card__notes {
    display: grid;
    grid-template-columns: 25mm 1fr;
    gap: 7mm;
    margin-top: 8mm;
    border-top: 2px solid var(--ink);
    padding-top: 4mm;
  }

  .experiment-card__notes > span {
    color: var(--clay);
    font-size: 8pt;
    font-weight: 700;
    letter-spacing: .1em;
  }

  .experiment-card__notes > div {
    display: grid;
    gap: 4mm;
  }

  .experiment-card__notes p {
    min-height: 17mm;
    margin: 0;
    border-bottom: 1px solid var(--rule);
    color: var(--muted);
    font-size: 8pt;
  }

  .experiment-card__notes strong {
    color: var(--ink);
    font-size: 9pt;
  }

  .experiment-card__footer {
    right: 10mm;
    bottom: 8mm;
    left: 10mm;
    font-size: 8pt;
  }
}