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

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

@font-face {
  font-family: "Instrument Sans";
  src: url("assets/fonts/InstrumentSans-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

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

@font-face {
  font-family: "Instrument Sans";
  src: url("assets/fonts/InstrumentSans-Italic.ttf") format("truetype");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: "Martian Mono";
  src: url("assets/fonts/MartianMono-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  --pine: #0f2e24;
  --pine-mid: #1c4f3e;
  --vermilion: #e5432b;
  --sage: #c3d5c8;
  --sage-pale: #edf4ef;
  --chalk: #fffdf8;
  --ink: #0b1512;
  --line: rgba(15, 46, 36, 0.2);
  --line-light: rgba(255, 253, 248, 0.18);
  --page-pad: clamp(1.25rem, 4vw, 4.5rem);
  --section-y: clamp(5.5rem, 11vw, 10rem);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5.5rem;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--chalk);
  font-family: "Instrument Sans", Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}

body,
button,
a {
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

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

button {
  font: inherit;
}

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

h1,
h2,
h3 {
  font-family: "Archivo", Arial, sans-serif;
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 0.98;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.8rem 1rem;
  color: var(--chalk);
  background: var(--vermilion);
  transform: translateY(-160%);
  transition: transform 180ms ease;
}

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

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

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 4.75rem;
  padding: 0 var(--page-pad);
  background: rgba(255, 253, 248, 0.96);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  justify-self: start;
  gap: 0.7rem;
  color: var(--pine);
  font-family: "Archivo", Arial, sans-serif;
  font-weight: 800;
  letter-spacing: -0.04em;
  text-decoration: none;
}

.brand img {
  width: 2.3rem;
  height: 2.3rem;
  object-fit: contain;
}

.brand span {
  font-size: 1.1rem;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(1rem, 2.6vw, 2.5rem);
}

.site-nav a {
  position: relative;
  color: var(--pine);
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: -0.35rem;
  left: 0;
  height: 1px;
  background: var(--vermilion);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

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

.header-contact {
  display: inline-flex;
  align-items: center;
  justify-self: end;
  gap: 1rem;
  min-height: 2.75rem;
  padding: 0.35rem 0.35rem 0.35rem 1.1rem;
  color: var(--chalk);
  background: var(--pine);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
}

.header-contact b {
  display: grid;
  width: 2rem;
  height: 2rem;
  place-items: center;
  color: var(--pine);
  background: var(--sage);
  font-size: 0.9rem;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(18rem, 0.65fr);
  grid-template-rows: auto auto;
  min-height: calc(100svh - 4.75rem);
  overflow: hidden;
  padding: clamp(4.5rem, 8vw, 8rem) var(--page-pad) 0;
  border-bottom: 1px solid var(--line);
}

.hero-rails {
  position: absolute;
  inset: 0 var(--page-pad);
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  pointer-events: none;
}

.hero-rails span {
  border-left: 1px solid rgba(15, 46, 36, 0.08);
}

.hero-rails span:last-child {
  border-right: 1px solid rgba(15, 46, 36, 0.08);
}

.hero-copy {
  position: relative;
  z-index: 2;
  align-self: start;
  padding-right: clamp(1rem, 4vw, 5rem);
}

.eyebrow,
.route-label,
.stat-top,
.answer-label,
.panel-index,
.lens-move span,
.audience-action span,
.hero-position > span,
.starter-instruction {
  font-family: "Martian Mono", monospace;
  font-size: 0.72rem;
  line-height: 1.4;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow,
.route-label {
  margin-bottom: clamp(1.5rem, 3vw, 2.75rem);
  color: var(--pine-mid);
}

.route-label span {
  color: var(--vermilion);
}

.light {
  color: var(--sage);
}

.hero h1 {
  max-width: 12.2ch;
  margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
  color: var(--pine);
  font-size: clamp(3.6rem, 7.45vw, 8.6rem);
  line-height: 0.89;
}


.hero-lower {
  display: grid;
  grid-template-columns: minmax(16rem, 34rem) auto;
  align-items: end;
  gap: clamp(1.5rem, 4vw, 4rem);
  max-width: 60rem;
}

.hero-intro {
  margin-bottom: 0;
  color: #294139;
  font-size: clamp(1.08rem, 1.35vw, 1.3rem);
  line-height: 1.5;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.25rem;
  min-width: 10.5rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 3.25rem;
  padding: 0.75rem 1rem;
  border: 1px solid transparent;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  transition: color 180ms ease, background 180ms ease, border-color 180ms ease;
}

.button-signal {
  color: var(--chalk);
  background: var(--vermilion);
}

.button-signal:hover,
.button-signal:focus-visible {
  color: var(--chalk);
  background: var(--pine);
}

.button-light {
  color: var(--pine);
  background: var(--chalk);
}

.button-light:hover,
.button-light:focus-visible {
  background: var(--sage);
}

.text-link {
  color: var(--pine);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.route-field {
  position: relative;
  align-self: center;
  justify-self: center;
  width: 100%;
  max-width: 30rem;
  aspect-ratio: 1;
  margin: 0;
  color: var(--pine);
}

.waypoint-drawing {
  width: 100%;
  height: 100%;
}

.logo-line {
  fill: none;
  stroke: currentColor;
  stroke-width: 8;
  stroke-linecap: round;
}

.logo-dot {
  fill: var(--vermilion);
  transform-box: fill-box;
  transform-origin: center;
}

.js .route-field:not(.is-visible) .logo-line {
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
}

.js .route-field:not(.is-visible) .logo-dot {
  opacity: 0;
}

.route-field.is-visible .logo-line {
  stroke-dasharray: 1;
  animation: waypoint-line 0.65s ease-in-out both;
}

.route-field.is-visible .logo-line-one { animation-delay: 0.25s; }
.route-field.is-visible .logo-line-two { animation-delay: 0.9s; }
.route-field.is-visible .logo-line-three { animation-delay: 1.55s; }
.route-field.is-visible .logo-dot {
  animation: waypoint-dot 0.4s ease-out 2.3s both;
}

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

@keyframes waypoint-dot {
  from { opacity: 0; transform: scale(0.6); }
  to { opacity: 1; transform: scale(1); }
}

@media (prefers-reduced-motion: reduce) {
  .route-field .logo-line,
  .route-field .logo-dot {
    animation: none !important;
    stroke-dashoffset: 0 !important;
    opacity: 1 !important;
    transform: none !important;
  }
}

.hero-position {
  position: relative;
  z-index: 3;
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 2fr;
  align-items: center;
  gap: 2rem;
  margin-top: clamp(3rem, 7vw, 6rem);
  padding: 1.5rem 0;
  border-top: 1px solid var(--line);
}

.hero-position > span {
  color: var(--vermilion);
}

.hero-position p {
  margin: 0;
  color: var(--pine);
  font-family: "Archivo", Arial, sans-serif;
  font-size: clamp(1.1rem, 1.55vw, 1.45rem);
  font-weight: 600;
  letter-spacing: -0.025em;
}

.field-guide {
  display: grid;
  grid-template-columns: minmax(18rem, 0.72fr) minmax(0, 1.28fr);
  color: var(--chalk);
  background: var(--pine);
  border-bottom: 1px solid var(--line-light);
}

.field-guide-heading {
  padding: clamp(4rem, 7vw, 7rem) var(--page-pad);
  border-right: 1px solid var(--line-light);
}

.field-guide .route-label {
  color: var(--sage);
}

.field-guide h2 {
  max-width: 10ch;
  margin-bottom: 1.75rem;
  font-size: clamp(2.8rem, 5vw, 5.7rem);
}

.field-guide-heading > p:last-child {
  max-width: 28rem;
  margin-bottom: 0;
  color: var(--sage);
}

.signal-starter {
  padding: clamp(4rem, 7vw, 7rem) var(--page-pad);
}

.starter-instruction {
  margin-bottom: 1rem;
  color: var(--sage);
}

.signal-options {
  display: flex;
  flex-wrap: wrap;
  margin-bottom: clamp(3rem, 6vw, 5rem);
  border-top: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
}

.signal-option {
  min-height: 3.5rem;
  padding: 0.8rem 1.2rem;
  color: var(--sage);
  background: transparent;
  border: 0;
  border-right: 1px solid var(--line-light);
  cursor: pointer;
  font-size: 0.95rem;
}

.signal-option:hover,
.signal-option.is-active {
  color: var(--pine);
  background: var(--sage);
}

.starter-answer {
  display: grid;
  grid-template-columns: minmax(6.5rem, 0.25fr) minmax(0, 1.5fr) minmax(12rem, 0.75fr);
  gap: clamp(1.25rem, 3vw, 3rem);
  align-items: start;
}

.answer-label {
  color: var(--vermilion);
}

.starter-answer blockquote {
  max-width: 22ch;
  margin-bottom: 0;
  font-family: "Archivo", Arial, sans-serif;
  font-size: clamp(1.65rem, 2.5vw, 2.6rem);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.08;
}

.starter-answer > p {
  margin: 0;
  color: var(--sage);
}

.starter-note {
  margin: 3rem 0 0 calc(25% + 6.5rem);
  padding-top: 1rem;
  color: var(--sage);
  border-top: 1px solid var(--line-light);
  font-size: 0.9rem;
}

.section {
  padding: var(--section-y) var(--page-pad);
}

.section-mast {
  display: grid;
  grid-template-columns: minmax(9rem, 0.45fr) minmax(0, 1.45fr) minmax(16rem, 0.6fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: start;
  margin-bottom: clamp(4rem, 8vw, 7rem);
}

.section-mast .route-label {
  margin: 0;
}

.section-mast h2 {
  max-width: 14ch;
  margin: 0;
  color: var(--pine);
  font-size: clamp(3rem, 5.8vw, 6.4rem);
}

.section-mast > p:last-child {
  max-width: 28rem;
  margin: 0;
  color: #40564f;
}

.evidence {
  background: var(--chalk);
}

.evidence-ledger {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(21rem, 0.82fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.stat {
  position: relative;
  padding: clamp(2rem, 4vw, 3.5rem);
}

.stat-primary {
  display: grid;
  grid-template-rows: auto 1fr auto auto;
  min-height: 42rem;
  background: var(--sage-pale);
  border-right: 1px solid var(--line);
}

.stat-top {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2.5rem;
  color: var(--pine-mid);
}

.stat-number {
  align-self: center;
  margin: 0;
  color: var(--vermilion);
  font-family: "Archivo", Arial, sans-serif;
  font-size: clamp(6.8rem, 14vw, 14rem);
  font-weight: 800;
  letter-spacing: -0.085em;
  line-height: 0.78;
}

.stat-number > span:last-child {
  margin-left: 0.06em;
  font-size: 0.28em;
  letter-spacing: -0.04em;
  vertical-align: top;
}

.stat-copy {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.stat h3 {
  margin-bottom: 1.25rem;
  color: var(--pine);
  font-size: clamp(1.55rem, 2.3vw, 2.6rem);
  line-height: 1.04;
}

.stat p:not(.stat-number) {
  color: #40564f;
}

.stat a {
  align-self: end;
  color: var(--pine);
  font-size: 0.9rem;
  font-weight: 600;
}

.stat-pair {
  display: grid;
  grid-template-rows: 1fr 1fr;
}

.stat-pair .stat + .stat {
  border-top: 1px solid var(--line);
}

.stat-pair .stat-number {
  margin: clamp(2rem, 4vw, 4rem) 0 2rem;
  font-size: clamp(4.5rem, 8vw, 8rem);
}

.stat-pair .stat > p:not(.stat-number) {
  max-width: 34rem;
}

.section-dark {
  color: var(--chalk);
  background: var(--ink);
}

.section-dark .section-mast h2 {
  color: var(--chalk);
}

.section-dark .section-mast > p:last-child,
.section-dark .route-label {
  color: #a9bbb3;
}

.lens-tool {
  display: grid;
  grid-template-columns: minmax(14rem, 0.62fr) minmax(0, 1.38fr);
  border-top: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
}

.lens-list {
  border-right: 1px solid var(--line-light);
}

.lens-button {
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  width: 100%;
  min-height: 4.5rem;
  padding: 1rem 1.25rem;
  color: #a9bbb3;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line-light);
  cursor: pointer;
  text-align: left;
}

.lens-button:last-child {
  border-bottom: 0;
}

.lens-button span {
  color: #75857f;
  font-family: "Martian Mono", monospace;
  font-size: 0.67rem;
}

.lens-button:hover,
.lens-button.is-active {
  color: var(--ink);
  background: var(--sage);
}

.lens-button.is-active span {
  color: var(--vermilion);
}

.lens-panel {
  position: relative;
  min-height: 36rem;
  padding: clamp(3rem, 6vw, 6rem);
  overflow: hidden;
}

.panel-index {
  position: absolute;
  top: -0.17em;
  right: -0.04em;
  margin: 0;
  color: rgba(255, 253, 248, 0.05);
  font-family: "Archivo", Arial, sans-serif;
  font-size: clamp(11rem, 22vw, 24rem);
  font-weight: 800;
  line-height: 0.8;
}

.lens-panel > *:not(.panel-index) {
  position: relative;
  z-index: 1;
}

.lens-panel h3 {
  max-width: 13ch;
  margin-bottom: 2rem;
  font-size: clamp(2.8rem, 5.5vw, 6rem);
}

.lens-panel > p[data-lens-detail] {
  max-width: 43rem;
  color: #a9bbb3;
  font-size: 1.12rem;
}

.lens-move {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 2rem;
  max-width: 46rem;
  margin: clamp(3rem, 7vw, 6rem) 0 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line-light);
}

.lens-move span {
  color: var(--vermilion);
}

.lens-move strong {
  font-size: 1.1rem;
  font-weight: 600;
}

.audiences {
  padding-bottom: 0;
  background: var(--sage-pale);
}

.audience-tool {
  border-top: 1px solid var(--line);
}

.audience-tabs {
  display: flex;
  overflow-x: auto;
  scrollbar-width: thin;
  border-bottom: 1px solid var(--line);
}

.audience-tab {
  flex: 1 0 auto;
  min-height: 4.6rem;
  padding: 1rem clamp(1rem, 2.5vw, 2.5rem);
  color: var(--pine-mid);
  background: transparent;
  border: 0;
  border-right: 1px solid var(--line);
  cursor: pointer;
  font-weight: 600;
}

.audience-tab:last-child {
  border-right: 0;
}

.audience-tab:hover,
.audience-tab.is-active {
  color: var(--chalk);
  background: var(--pine);
}

.audience-panel {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(3rem, 8vw, 8rem);
  min-height: 35rem;
  padding: clamp(3.5rem, 7vw, 7rem) 0;
}

.audience-panel h3 {
  max-width: 14ch;
  margin-bottom: 0;
  color: var(--pine);
  font-size: clamp(2.8rem, 5.4vw, 6rem);
}

.audience-outcome {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  max-width: 34rem;
}

.audience-outcome > p:first-child {
  color: #40564f;
  font-size: clamp(1.1rem, 1.45vw, 1.3rem);
}

.audience-action {
  margin: 3rem 0 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.audience-action span,
.audience-action strong {
  display: block;
}

.audience-action span {
  margin-bottom: 1rem;
  color: var(--vermilion);
}

.audience-action strong {
  color: var(--pine);
  font-size: 1.08rem;
  font-weight: 600;
}

.sessions {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(3rem, 8vw, 9rem);
  color: var(--chalk);
  background: var(--pine);
}

.session-intro {
  position: sticky;
  top: 8rem;
  align-self: start;
}

.sessions .route-label {
  color: var(--sage);
}

.session-intro h2 {
  max-width: 10ch;
  margin-bottom: 2rem;
  font-size: clamp(3rem, 5.6vw, 6.4rem);
}

.session-intro > p:not(.route-label) {
  max-width: 35rem;
  margin-bottom: 2.5rem;
  color: var(--sage);
}

.sessions .button-signal:hover,
.sessions .button-signal:focus-visible {
  color: var(--pine);
  background: var(--chalk);
}

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

.session-list li {
  display: grid;
  grid-template-columns: 5rem 1fr;
  gap: 1.5rem;
  padding: clamp(2rem, 4vw, 4rem) 0;
  border-bottom: 1px solid var(--line-light);
}

.session-list > li > span {
  color: var(--vermilion);
  font-family: "Martian Mono", monospace;
  font-size: 0.72rem;
}

.session-list h3 {
  margin-bottom: 1rem;
  font-size: clamp(1.8rem, 3vw, 3.4rem);
}

.session-list p {
  max-width: 34rem;
  margin-bottom: 0;
  color: var(--sage);
}

.organisation-note {
  grid-column: 2;
  max-width: 42rem;
  margin: 0;
  padding-left: 6.5rem;
  color: var(--sage);
  font-size: 0.95rem;
}

.about {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(18rem, 0.95fr);
  gap: clamp(3rem, 8vw, 9rem);
  background: var(--chalk);
}

.about-heading h2 {
  max-width: 10ch;
  color: var(--pine);
  font-size: clamp(3.7rem, 7vw, 8rem);
}

.experience-mark {
  display: flex;
  align-items: flex-end;
  gap: 1.2rem;
  margin-top: clamp(4rem, 8vw, 8rem);
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.experience-mark strong {
  color: var(--vermilion);
  font-family: "Archivo", Arial, sans-serif;
  font-size: clamp(5rem, 9vw, 9rem);
  letter-spacing: -0.08em;
  line-height: 0.75;
}

.experience-mark span {
  color: var(--pine);
  font-family: "Martian Mono", monospace;
  font-size: 0.7rem;
  line-height: 1.5;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.about-copy {
  align-self: center;
  padding-top: 4rem;
  border-top: 1px solid var(--line);
}

.about-copy p {
  max-width: 40rem;
  color: #40564f;
  font-size: 1.1rem;
}

.about-copy .about-volunteering {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  font-size: 1rem;
}

.about-copy .about-lead {
  margin-bottom: 3.5rem;
  color: var(--pine);
  font-family: "Archivo", Arial, sans-serif;
  font-size: clamp(2rem, 3.4vw, 3.8rem);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1.07;
}

.closing {
  position: relative;
  min-height: 42rem;
  overflow: hidden;
  color: var(--chalk);
  background: var(--vermilion);
}

.closing-inner {
  position: relative;
  z-index: 2;
  max-width: 70rem;
}

.closing .route-label,
.closing .route-label span {
  color: var(--pine);
}

.closing h2 {
  max-width: 13ch;
  margin-bottom: 2rem;
  font-size: clamp(3.4rem, 7vw, 7.8rem);
}

.closing-inner > p:not(.route-label) {
  max-width: 36rem;
  margin-bottom: 2.5rem;
  font-size: 1.18rem;
}

.closing-route {
  position: absolute;
  top: 0;
  right: var(--page-pad);
  bottom: 0;
  width: min(34vw, 30rem);
  opacity: 0.22;
}

.closing-route span {
  position: absolute;
  border: 1px solid var(--pine);
  border-radius: 50%;
}

.closing-route span:nth-child(1) {
  inset: 10% 5%;
}

.closing-route span:nth-child(2) {
  inset: 24% 17%;
}

.closing-route span:nth-child(3) {
  inset: 38% 29%;
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem 6rem;
  padding: clamp(3rem, 6vw, 5rem) var(--page-pad) 2rem;
  color: var(--pine);
  background: var(--sage-pale);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.footer-brand strong,
.footer-brand span {
  display: block;
}

.footer-brand strong {
  font-family: "Archivo", Arial, sans-serif;
  font-size: 1.2rem;
}

.footer-brand span {
  color: #52655e;
  font-size: 0.9rem;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 0.4rem;
  font-size: 0.95rem;
}

.footer-contact a {
  font-weight: 600;
}

.sources,
.safety-note {
  grid-column: 1 / -1;
  margin: 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.sources summary {
  cursor: pointer;
  font-weight: 600;
}

.source-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  margin-top: 1.25rem;
  color: #40564f;
  font-size: 0.9rem;
}

.safety-note {
  max-width: 70rem;
  color: #52655e;
  font-size: 0.87rem;
}

.footer-bottom {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  font-family: "Martian Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

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

.js .reveal {
  opacity: 0;
  transform: translateY(1.25rem);
  transition: opacity 650ms ease, transform 650ms cubic-bezier(0.22, 1, 0.36, 1);
}

.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 1120px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .site-nav {
    display: none;
  }

  .hero {
    grid-template-columns: minmax(0, 1fr) minmax(15rem, 0.45fr);
  }

  .hero h1 {
    font-size: clamp(3.6rem, 8.6vw, 7.2rem);
  }

  .hero-lower {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: row;
    align-items: center;
  }

  .starter-answer {
    grid-template-columns: 1fr;
  }

  .starter-note {
    margin-left: 0;
  }

  .section-mast {
    grid-template-columns: 9rem 1fr;
  }

  .section-mast > p:last-child {
    grid-column: 2;
  }
}

@media (max-width: 820px) {
  :root {
    --section-y: 5.5rem;
  }

  .site-header {
    min-height: 4.25rem;
  }

  .header-contact span {
    display: none;
  }

  .header-contact {
    min-height: 2.5rem;
    padding: 0.25rem;
    background: transparent;
  }

  .header-contact b {
    color: var(--chalk);
    background: var(--pine);
  }

  .hero {
    display: block;
    min-height: auto;
    padding-top: 4rem;
  }

  .hero h1 {
    font-size: clamp(3.3rem, 14vw, 6rem);
  }

  .hero-lower {
    display: block;
  }

  .hero-actions {
    margin-top: 2rem;
  }

  .route-field {
    width: min(100%, 32rem);
    margin: 2rem auto -2rem;
  }

  .hero-position {
    grid-template-columns: 1fr;
    gap: 0.75rem;
    margin-top: 1rem;
  }

  .field-guide,
  .evidence-ledger,
  .lens-tool,
  .sessions,
  .about {
    grid-template-columns: 1fr;
  }

  .field-guide-heading {
    border-right: 0;
    border-bottom: 1px solid var(--line-light);
  }

  .field-guide h2 {
    max-width: 13ch;
  }

  .section-mast {
    grid-template-columns: 1fr;
  }

  .section-mast > p:last-child {
    grid-column: auto;
  }

  .evidence-ledger {
    border-bottom: 0;
  }

  .stat-primary {
    min-height: 34rem;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .stat-copy {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .lens-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    border-right: 0;
    border-bottom: 1px solid var(--line-light);
  }

  .lens-button {
    border-right: 1px solid var(--line-light);
  }

  .lens-panel {
    min-height: 32rem;
  }

  .audience-panel {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .audience-outcome {
    min-height: 20rem;
  }

  .session-intro {
    position: static;
  }

  .organisation-note {
    grid-column: auto;
  }

  .about-copy {
    padding-top: 3rem;
  }

  .closing-route {
    right: -10rem;
    width: 30rem;
  }

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

  .footer-contact,
  .sources,
  .safety-note,
  .footer-bottom {
    grid-column: auto;
  }
}

@media (max-width: 520px) {
  .brand span {
    font-size: 1rem;
  }

  .hero {
    padding-top: 3rem;
  }

  .hero h1 {
    font-size: clamp(3rem, 15vw, 4.6rem);
  }

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

  .button,
  .text-link {
    width: 100%;
  }

  .text-link {
    padding: 0.75rem 0;
  }

  .route-field {
    margin-top: 0;
  }

  .signal-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }

  .signal-option {
    border-bottom: 1px solid var(--line-light);
  }

  .section-mast h2,
  .field-guide h2,
  .session-intro h2,
  .about-heading h2,
  .closing h2 {
    font-size: clamp(2.75rem, 13vw, 4.25rem);
  }

  .stat {
    padding: 2rem 1.25rem;
  }

  .stat-top {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.35rem;
  }

  .stat-number {
    font-size: clamp(5rem, 27vw, 8rem);
  }

  .lens-list {
    grid-template-columns: 1fr;
  }

  .lens-button {
    border-right: 0;
  }

  .lens-panel {
    min-height: 36rem;
    padding: 2.5rem 1.25rem;
  }

  .lens-move {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .audience-tabs {
    margin-right: calc(var(--page-pad) * -1);
  }

  .audience-panel h3 {
    font-size: clamp(2.7rem, 12vw, 4rem);
  }

  .session-list li {
    grid-template-columns: 2.5rem 1fr;
  }

  .organisation-note {
    padding-left: 4rem;
  }

  .experience-mark {
    align-items: center;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }
}

/* A compact mobile composition, with the logo alongside the opening label. */
@media (max-width: 820px) {
  :root { --section-y: 3rem; }

  .site-header { gap: 0.75rem; }
  .header-contact span { display: inline; }
  .header-contact {
    min-height: 2.75rem;
    padding: 0.5rem 0.75rem;
    color: var(--chalk);
    background: var(--pine);
    font-size: 0.875rem;
  }
  .header-contact b { display: none; }

  .hero { padding-top: 1.25rem; }
  .hero-copy { padding-right: 0; }
  .hero-copy > .eyebrow {
    display: flex;
    align-items: center;
    min-height: 4.5rem;
    margin-bottom: 1rem;
    padding-right: 6rem;
    font-size: 0.75rem;
  }
  .hero h1 {
    max-width: 22ch;
    margin-bottom: 1.25rem;
    font-size: clamp(2.25rem, 6.4vw, 3.5rem);
    line-height: 1.02;
    letter-spacing: -0.04em;
  }
  .hero-intro {
    max-width: 42rem;
    font-size: 1rem;
    line-height: 1.5;
  }
  .hero .route-field {
    position: absolute;
    top: 1rem;
    right: var(--page-pad);
    width: 5rem;
    height: 5rem;
    margin: 0;
  }
  .hero-actions {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem 1.25rem;
    margin-top: 1.25rem;
  }
  .hero-actions .button,
  .hero-actions .text-link {
    width: auto;
    min-height: 2.75rem;
    font-size: 0.9375rem;
  }
  .hero-actions .text-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0;
  }
  .hero-position {
    gap: 0.5rem;
    margin-top: 1.5rem;
    padding: 1rem 0;
  }
  .hero-position p { font-size: 1rem; line-height: 1.35; }

  .section-mast { gap: 1.25rem; margin-bottom: 2rem; }
  .section-mast h2,
  .field-guide h2,
  .session-intro h2,
  .about-heading h2,
  .closing h2 {
    max-width: 22ch;
    font-size: clamp(2rem, 6vw, 3rem);
    line-height: 1.05;
  }
  .field-guide-heading,
  .signal-starter { padding: 2rem var(--page-pad); }
  .field-guide-heading .route-label { margin-bottom: 1.25rem; }
  .field-guide h2 { margin-bottom: 1rem; }
  .signal-options { display: flex; flex-wrap: wrap; margin-bottom: 1.5rem; }
  .signal-option { flex: 1 0 auto; min-height: 2.75rem; padding: 0.65rem 0.8rem; }
  .starter-answer { gap: 1rem; }
  .starter-answer blockquote { max-width: 30ch; font-size: 1.5rem; }
  .starter-note { margin-top: 1.5rem; }
  .stat-primary { min-height: 0; gap: 1.5rem; }
  .stat-top { margin-bottom: 0; }
  .stat-number { font-size: clamp(5rem, 18vw, 8rem); }
  .lens-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lens-button { grid-template-columns: 1.75rem 1fr; padding: 0.8rem; font-size: 1rem; }
  .lens-panel { min-height: 0; padding: 2rem 1.25rem; }
  .lens-panel h3,
  .audience-panel h3 { font-size: clamp(2rem, 6vw, 3rem); line-height: 1.05; }
  .lens-move { margin-top: 2rem; }
  .audience-panel { gap: 1.5rem; padding: 2rem 0; }
  .audience-outcome { min-height: 0; }
  .audience-action { margin-top: 1.5rem; }
  .sessions,
  .about { gap: 2rem; }
  .experience-mark { margin-top: 2rem; }
  .closing { min-height: 0; }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

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