/*
 * SPDX-FileCopyrightText: 2026 Tokimi Rover contributors
 * SPDX-License-Identifier: Apache-2.0
 */

:root {
  --paper: #edf3f0;
  --paper-bright: #f9fbf9;
  --paper-deep: #dce7e3;
  --ink: #102129;
  --ink-soft: #43585f;
  --line: #b9c8c4;
  --line-dark: #345057;
  --signal: #007370;
  --signal-bright: #00aaa5;
  --camera: #6655c7;
  --alert: #dc5939;
  --forest: #162d27;
  --forest-mid: #26483e;
  --mist: #a9d0c1;
  --white: #ffffff;
  --display: "Arial Narrow", "Aptos Narrow", "Helvetica Neue", Arial, sans-serif;
  --body: "Avenir Next", Avenir, "Segoe UI", system-ui, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --page: min(1540px, calc(100vw - 64px));
  --radius-small: 3px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --shift-x: 0px;
  --shift-y: 0px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  z-index: 30;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--signal) 0 58%, var(--camera) 58% 76%, var(--alert) 76% 100%);
  content: "";
}

::selection {
  background: var(--signal);
  color: var(--white);
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

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

button {
  color: inherit;
  font: inherit;
}

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  border: 0;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.en {
  display: none;
}

html.is-en .zh {
  display: none;
}

html.is-en .en {
  display: inline;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  transform: translateY(-160%);
  background: var(--ink);
  color: var(--white);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  transition: transform 180ms ease;
}

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

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

.paper-grid {
  position: fixed;
  z-index: -1;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(16, 33, 41, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 33, 41, 0.035) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(to bottom, #000 0%, transparent 76%);
}

.site-header {
  position: relative;
  z-index: 20;
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto auto;
  align-items: center;
  width: var(--page);
  min-height: 86px;
  margin: 0 auto;
  border-bottom: 1px solid var(--line);
}

.wordmark {
  display: flex;
  align-items: baseline;
  width: fit-content;
  gap: 14px;
  text-decoration: none;
}

.wordmark__name {
  font-family: var(--display);
  font-size: 23px;
  font-stretch: condensed;
  font-weight: 800;
  letter-spacing: -0.045em;
}

.wordmark__channel {
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.site-nav a {
  position: relative;
  text-decoration: none;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 1px;
  transform: scaleX(0);
  transform-origin: right;
  background: currentColor;
  content: "";
  transition: transform 220ms var(--ease-out);
}

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

.language-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 128px;
  min-height: 36px;
  margin-left: 28px;
  padding: 3px;
  gap: 2px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-small);
  background: transparent;
  font-family: var(--mono);
  font-size: 11px;
}

.language-toggle__option {
  min-height: 28px;
  padding: 0 8px;
  border: 0;
  border-radius: calc(var(--radius-small) - 2px);
  background: transparent;
  cursor: pointer;
  font-weight: 500;
  transition: background 180ms ease, color 180ms ease;
}

.language-toggle__option:hover {
  background: color-mix(in srgb, var(--signal) 12%, transparent);
}

.language-toggle__option[aria-pressed="true"] {
  background: var(--ink);
  color: var(--white);
  font-weight: 800;
}

.language-toggle__separator {
  color: var(--ink-soft);
}

main,
.site-footer {
  position: relative;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(480px, 0.86fr);
  align-items: center;
  width: var(--page);
  min-height: calc(100svh - 86px);
  margin: 0 auto;
  gap: clamp(32px, 5vw, 100px);
  padding: 64px 0 88px;
}

.hero__copy {
  position: relative;
  z-index: 2;
  padding-left: clamp(0px, 3vw, 48px);
}

.eyebrow,
.section-index,
.project__type,
.project__version,
.project__number {
  margin: 0;
  color: var(--signal);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  line-height: 1.4;
  text-transform: uppercase;
}

.hero__title {
  max-width: 900px;
  margin: 26px 0 0;
  font-family: var(--display);
  font-size: clamp(64px, 7.2vw, 126px);
  font-stretch: condensed;
  font-weight: 850;
  letter-spacing: -0.074em;
  line-height: 0.83;
}

.title-cut {
  position: relative;
  color: var(--signal);
  white-space: nowrap;
}

.title-cut::after {
  position: absolute;
  right: 0.03em;
  bottom: 0.08em;
  left: 0.07em;
  height: 0.06em;
  background: var(--alert);
  content: "";
  mix-blend-mode: multiply;
}

.hero__lead {
  max-width: 650px;
  margin: 44px 0 0;
  font-family: var(--display);
  font-size: clamp(23px, 2.1vw, 34px);
  font-weight: 650;
  letter-spacing: -0.025em;
  line-height: 1.25;
}

.hero__body {
  max-width: 630px;
  margin: 18px 0 0;
  color: var(--ink-soft);
  font-size: clamp(15px, 1.15vw, 18px);
  line-height: 1.75;
}

.hero__actions,
.project__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 34px;
  gap: 14px 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  gap: 18px;
  border-radius: var(--radius-small);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1;
  text-decoration: none;
  text-transform: uppercase;
}

.button--primary {
  padding: 0 19px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--white);
  box-shadow: 5px 5px 0 var(--signal);
  transition: transform 180ms var(--ease-out), box-shadow 180ms var(--ease-out);
}

.button--primary:hover,
.button--primary:focus-visible {
  transform: translate(3px, 3px);
  box-shadow: 2px 2px 0 var(--signal);
}

.button--text {
  min-height: 36px;
  border-bottom: 1px solid var(--line-dark);
  border-radius: 0;
  transition: border-color 180ms ease, color 180ms ease;
}

.button--text:hover,
.button--text:focus-visible {
  border-color: var(--signal);
  color: var(--signal);
}

.signal-stage {
  position: relative;
  width: 100%;
  max-width: 690px;
  margin-left: auto;
  transform: translate3d(var(--shift-x), var(--shift-y), 0);
  transition: transform 900ms var(--ease-out);
}

.signal-stage::before,
.signal-stage::after {
  position: absolute;
  z-index: -1;
  border-radius: 50%;
  content: "";
  filter: blur(1px);
}

.signal-stage::before {
  top: 13%;
  right: 2%;
  width: 44%;
  aspect-ratio: 1;
  background: rgba(0, 170, 165, 0.12);
}

.signal-stage::after {
  right: 22%;
  bottom: 12%;
  width: 32%;
  aspect-ratio: 1;
  background: rgba(102, 85, 199, 0.12);
}

.signal-map {
  overflow: visible;
  color: rgba(16, 33, 41, 0.08);
}

.signal-map__frame {
  fill: rgba(249, 251, 249, 0.3);
  stroke: var(--line-dark);
  stroke-width: 1.2;
}

.signal-map__trace {
  fill: none;
  stroke-linecap: square;
  stroke-width: 5;
}

.signal-map__trace--rover {
  stroke: var(--signal);
  stroke-dasharray: 18 10;
  animation: trace-forward 8s linear infinite;
}

.signal-map__trace--library {
  stroke: var(--camera);
  stroke-dasharray: 11 8;
  stroke-width: 4;
  animation: trace-forward 10s linear infinite;
}

.signal-map__trace--forest {
  stroke: var(--camera);
  stroke-dasharray: 2 13;
  stroke-width: 4;
  opacity: 0.58;
  animation: trace-forward 14s linear infinite reverse;
}

.signal-map__origin {
  fill: var(--paper-bright);
  stroke: var(--ink);
  stroke-width: 5;
}

.signal-map__node {
  stroke-width: 5;
}

.signal-map__node--rover {
  fill: var(--signal-bright);
  stroke: var(--paper-bright);
  animation: pulse-node 2.8s ease-in-out infinite;
}

.signal-map__node--library {
  fill: var(--camera);
  stroke: var(--paper-bright);
  animation: pulse-library-node 3.4s ease-in-out infinite;
}

.signal-map__node--forest {
  fill: var(--paper);
  stroke: var(--camera);
  opacity: 0.72;
}

.signal-map__labels {
  fill: var(--ink-soft);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.09em;
}

.signal-map__ticks path {
  fill: none;
  stroke: var(--line-dark);
  stroke-width: 1;
}

.signal-readout {
  position: absolute;
  top: 17%;
  left: 8%;
  display: grid;
  padding-left: 14px;
  border-left: 2px solid var(--ink);
  font-family: var(--mono);
  line-height: 1.35;
}

.signal-readout span {
  color: var(--ink-soft);
  font-size: 9px;
  letter-spacing: 0.1em;
}

.signal-readout strong {
  margin: 3px 0;
  font-family: var(--display);
  font-size: 30px;
  letter-spacing: -0.04em;
}

.signal-note {
  position: absolute;
  right: 8%;
  bottom: 13%;
  margin: 0;
  padding: 6px 9px;
  background: var(--paper);
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.05em;
}

@keyframes trace-forward {
  to {
    stroke-dashoffset: -112;
  }
}

@keyframes pulse-node {
  0%,
  100% {
    opacity: 0.65;
    transform: scale(0.8);
    transform-origin: 630px 142px;
  }
  50% {
    opacity: 1;
    transform: scale(1.1);
    transform-origin: 630px 142px;
  }
}

@keyframes pulse-library-node {
  0%,
  100% {
    opacity: 0.72;
    transform: scale(0.84);
    transform-origin: 630px 304px;
  }
  50% {
    opacity: 1;
    transform: scale(1.08);
    transform-origin: 630px 304px;
  }
}

.manifesto {
  display: grid;
  grid-template-columns: 0.42fr 1.1fr 0.82fr;
  width: var(--page);
  margin: 0 auto;
  padding: 100px 0 118px;
  gap: clamp(28px, 5vw, 100px);
  border-top: 1px solid var(--line);
}

.manifesto h2,
.section-heading h2,
.handoff h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(42px, 5vw, 82px);
  font-stretch: condensed;
  font-weight: 800;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.manifesto__copy {
  max-width: 540px;
  margin: 4px 0 0;
  color: var(--ink-soft);
  font-size: clamp(16px, 1.25vw, 20px);
  line-height: 1.75;
}

.projects {
  width: var(--page);
  margin: 0 auto;
  padding-bottom: 128px;
}

.section-heading {
  display: grid;
  grid-template-columns: 0.42fr 1.1fr 0.82fr;
  align-items: end;
  padding: 92px 0 48px;
  gap: clamp(28px, 5vw, 100px);
  border-top: 1px solid var(--line-dark);
}

.section-heading > p:last-child {
  max-width: 440px;
  margin: 0 0 7px;
  color: var(--ink-soft);
}

.project {
  position: relative;
  overflow: hidden;
  margin-top: 28px;
  border: 1px solid var(--line-dark);
  background: var(--paper-bright);
}

.project::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 31%;
  width: 1px;
  background: var(--line);
  content: "";
}

.project__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 58px;
  padding: 0 24px;
  border-bottom: 1px solid var(--line);
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.status__dot {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: currentColor;
}

.status--live {
  color: var(--signal);
}

.status--live .status__dot {
  box-shadow: 0 0 0 5px rgba(0, 139, 136, 0.12);
}

.status--research {
  color: var(--camera);
}

.status--research .status__dot {
  box-shadow: 0 0 0 5px rgba(102, 85, 199, 0.12);
}

.status--planned {
  color: var(--mist);
}

.project__content {
  display: grid;
  grid-template-columns: minmax(230px, 0.72fr) minmax(400px, 1.18fr) minmax(320px, 0.95fr);
  min-height: 520px;
}

.project__title-block,
.project__description {
  position: relative;
  z-index: 2;
  padding: clamp(32px, 4vw, 66px);
}

.project__title-block {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-right: clamp(24px, 3vw, 48px);
}

.project__title-block h3 {
  margin: 26px 0;
  font-family: var(--display);
  font-size: clamp(58px, 6vw, 100px);
  font-stretch: condensed;
  font-weight: 850;
  letter-spacing: -0.075em;
  line-height: 0.78;
  text-transform: uppercase;
}

.project__description {
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-left: 1px solid var(--line);
}

.project__summary {
  margin: 0;
  font-size: clamp(17px, 1.4vw, 21px);
  line-height: 1.65;
}

.evidence-list {
  display: flex;
  flex-wrap: wrap;
  margin: 28px 0 0;
  padding: 0;
  gap: 8px;
  list-style: none;
}

.evidence-list li {
  padding: 6px 8px;
  border: 1px solid var(--line-dark);
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.06em;
}

.project__warning {
  display: grid;
  margin: 28px 0 0;
  padding: 18px 20px;
  gap: 5px;
  border-left: 3px solid var(--alert);
  background: rgba(220, 89, 57, 0.07);
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.6;
}

.project__warning strong {
  color: var(--alert);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.project__note {
  display: grid;
  margin: 28px 0 0;
  padding: 18px 20px;
  gap: 5px;
  border-left: 3px solid var(--camera);
  background: rgba(102, 85, 199, 0.08);
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.6;
}

.project__note strong {
  color: var(--camera);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.rover-visual,
.astro-visual,
.forest-visual {
  position: relative;
  min-height: 520px;
}

.rover-visual {
  display: grid;
  place-items: center;
  padding: 34px;
  background:
    linear-gradient(135deg, rgba(0, 139, 136, 0.12), transparent 50%),
    repeating-linear-gradient(0deg, transparent 0 31px, rgba(16, 33, 41, 0.045) 31px 32px),
    repeating-linear-gradient(90deg, transparent 0 31px, rgba(16, 33, 41, 0.045) 31px 32px);
}

.rover-visual svg {
  width: 100%;
  overflow: visible;
}

.rover-visual__ground,
.rover-visual__callouts {
  fill: none;
  stroke: var(--line-dark);
  stroke-width: 2;
}

.rover-visual__wheels {
  fill: var(--ink);
  stroke: var(--paper);
  stroke-width: 3;
}

.rover-visual__wheels path {
  fill: none;
  opacity: 0.38;
  stroke: var(--paper);
  stroke-width: 4;
}

.rover-visual__body {
  fill: var(--paper-bright);
  stroke: var(--ink);
  stroke-width: 6;
}

.rover-visual__roof,
.rover-visual__camera,
.rover-visual__face {
  fill: var(--paper-bright);
  stroke: var(--ink);
  stroke-width: 5;
}

.rover-visual__face path {
  fill: none;
  stroke: var(--signal);
  stroke-linecap: round;
  stroke-width: 7;
}

.rover-visual__light {
  fill: none;
  stroke: var(--camera);
  stroke-width: 10;
  stroke-linecap: round;
  stroke-dasharray: 6 13;
  animation: light-chase 5s linear infinite;
}

@keyframes light-chase {
  to {
    stroke-dashoffset: -76;
  }
}

.visual-label {
  position: absolute;
  right: 5%;
  padding: 4px 7px;
  background: var(--paper-bright);
  font-family: var(--mono);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.visual-label--camera {
  top: 20%;
}

.visual-label--oled {
  top: 48%;
}

.visual-label--light {
  top: 67%;
  color: var(--camera);
}

.project--astro {
  border-color: #827ab5;
  background: #f4f3fb;
}

.project--astro::before,
.project--astro .project__meta,
.project--astro .project__description {
  border-color: #b0abd1;
}

.project--astro::before {
  background: #b0abd1;
}

.project--astro .project__type,
.project--astro .project__version,
.project--astro .project__number {
  color: var(--camera);
}

.project--astro .button--primary {
  box-shadow: 5px 5px 0 var(--camera);
}

.project--astro .button--primary:hover,
.project--astro .button--primary:focus-visible {
  box-shadow: 2px 2px 0 var(--camera);
}

.astro-visual {
  display: grid;
  overflow: hidden;
  place-items: center;
  background:
    radial-gradient(circle at 50% 48%, rgba(102, 85, 199, 0.28), transparent 33%),
    #0c1228;
}

.astro-visual::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(139, 150, 211, 0.075) 1px, transparent 1px),
    linear-gradient(90deg, rgba(139, 150, 211, 0.075) 1px, transparent 1px);
  background-size: 32px 32px;
  content: "";
  mask-image: radial-gradient(circle at center, #000 24%, transparent 82%);
}

.astro-visual svg {
  position: relative;
  z-index: 1;
  width: 92%;
  overflow: visible;
}

.astro-visual__stars {
  fill: #cfd7ff;
  opacity: 0.78;
}

.astro-visual__orbits {
  fill: none;
  stroke: rgba(186, 195, 244, 0.22);
  stroke-width: 1.4;
  stroke-dasharray: 5 10;
}

.astro-visual__links {
  fill: none;
  stroke: #7c8ad4;
  stroke-width: 2.5;
  stroke-dasharray: 8 8;
  animation: library-flow 9s linear infinite;
}

.astro-visual__nodes {
  fill: #101832;
  stroke: #b6c1ff;
  stroke-width: 4;
}

.astro-visual__core circle:not(.astro-visual__pulse) {
  fill: var(--camera);
  stroke: #f3f5ff;
  stroke-width: 4;
}

.astro-visual__core path {
  fill: none;
  stroke: #ffffff;
  stroke-linecap: round;
  stroke-width: 4;
}

.astro-visual__pulse {
  fill: none;
  stroke: rgba(182, 193, 255, 0.5);
  stroke-width: 2;
  transform-origin: 330px 195px;
  animation: library-pulse 3.2s ease-out infinite;
}

.astro-visual__labels {
  fill: #d8defd;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.astro-visual__coordinate {
  position: absolute;
  z-index: 2;
  right: 22px;
  bottom: 20px;
  color: #b6c1ff;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.12em;
}

@keyframes library-flow {
  to {
    stroke-dashoffset: -96;
  }
}

@keyframes library-pulse {
  0% {
    opacity: 0.8;
    transform: scale(0.72);
  }
  76%,
  100% {
    opacity: 0;
    transform: scale(1.34);
  }
}

.project--forest {
  border-color: #42645b;
  background: var(--forest);
  color: #eef7f2;
}

.project--forest::before,
.project--forest .project__meta,
.project--forest .project__description {
  border-color: #42645b;
}

.project--forest::before {
  background: #42645b;
}

.project--forest .project__type,
.project--forest .project__version,
.project--forest .project__number {
  color: var(--mist);
}

.forest-visual {
  overflow: hidden;
  background:
    linear-gradient(180deg, #12251f 0%, #203c33 61%, #10221d 100%);
}

.forest-visual::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(212, 235, 226, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212, 235, 226, 0.045) 1px, transparent 1px);
  background-size: 32px 32px;
  content: "";
}

.forest-visual__moon {
  position: absolute;
  top: 15%;
  left: 20%;
  width: 145px;
  aspect-ratio: 1;
  border: 1px solid rgba(213, 234, 226, 0.34);
  border-radius: 50%;
  background: rgba(198, 224, 213, 0.08);
  box-shadow: 0 0 55px rgba(169, 208, 193, 0.12);
}

.tree {
  position: absolute;
  bottom: 0;
  width: 100px;
  height: 75%;
  transform-origin: bottom;
  background: #0c1c18;
  clip-path: polygon(46% 0, 56% 0, 56% 25%, 94% 67%, 70% 64%, 100% 94%, 57% 86%, 57% 100%, 43% 100%, 43% 86%, 0 94%, 29% 64%, 5% 67%, 44% 25%);
}

.tree--1 {
  left: -2%;
  transform: scale(1.35);
}

.tree--2 {
  left: 22%;
  height: 58%;
  transform: scale(0.8);
  opacity: 0.75;
}

.tree--3 {
  left: 48%;
  transform: scale(1.1);
}

.tree--4 {
  right: 12%;
  height: 63%;
  transform: scale(0.86);
  opacity: 0.78;
}

.tree--5 {
  right: -5%;
  transform: scale(1.55);
}

.forest-visual__mist {
  position: absolute;
  z-index: 3;
  right: -20%;
  left: -20%;
  height: 24%;
  border-radius: 50%;
  background: rgba(169, 208, 193, 0.11);
  filter: blur(28px);
}

.forest-visual__mist--one {
  bottom: 15%;
  animation: mist-drift 12s ease-in-out infinite alternate;
}

.forest-visual__mist--two {
  bottom: 35%;
  opacity: 0.55;
  animation: mist-drift 17s ease-in-out infinite alternate-reverse;
}

@keyframes mist-drift {
  to {
    transform: translateX(12%);
  }
}

.forest-visual__coordinate {
  position: absolute;
  z-index: 4;
  right: 22px;
  bottom: 20px;
  color: var(--mist);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.12em;
}

.pending-register {
  display: grid;
  margin-top: 34px;
  border-top: 1px solid #42645b;
}

.pending-register > div {
  display: grid;
  grid-template-columns: 0.42fr 1fr;
  padding: 12px 0;
  gap: 18px;
  border-bottom: 1px solid #42645b;
}

.pending-register span,
.pending-register strong {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.08em;
}

.pending-register span {
  color: #8bb0a1;
}

.pending-register strong {
  font-weight: 700;
}

.project__pending {
  display: flex;
  align-items: center;
  margin: 30px 0 0;
  gap: 10px;
  color: var(--mist);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.04em;
}

.principles {
  padding: 0 max(32px, calc((100vw - min(1540px, calc(100vw - 64px))) / 2)) 120px;
  background: var(--ink);
  color: var(--white);
}

.section-heading--light {
  border-color: #3c5359;
}

.section-heading--light .section-index {
  color: #68d6cf;
}

.principle-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 0;
  padding: 0;
  border-top: 1px solid #3c5359;
  border-left: 1px solid #3c5359;
  list-style: none;
}

.principle-list li {
  position: relative;
  min-height: 320px;
  padding: clamp(28px, 4vw, 58px);
  border-right: 1px solid #3c5359;
  border-bottom: 1px solid #3c5359;
}

.principle-list__marker {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid #557078;
  color: #68d6cf;
  font-family: var(--mono);
  font-size: 11px;
}

.principle-list h3 {
  margin: 68px 0 16px;
  font-family: var(--display);
  font-size: clamp(30px, 3vw, 48px);
  font-weight: 700;
  letter-spacing: -0.045em;
}

.principle-list p {
  max-width: 360px;
  margin: 0;
  color: #b7c7ca;
  line-height: 1.75;
}

.handoff {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  width: var(--page);
  margin: 0 auto;
  padding: 130px 0;
  gap: clamp(48px, 9vw, 150px);
}

.handoff .section-index {
  margin-bottom: 32px;
}

.handoff__copy {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  justify-content: flex-end;
}

.handoff__copy p {
  margin: 0;
  color: var(--ink-soft);
  font-size: clamp(17px, 1.45vw, 22px);
  line-height: 1.75;
}

.handoff__copy .button {
  margin-top: 34px;
}

.site-footer {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr auto;
  width: var(--page);
  min-height: 230px;
  margin: 0 auto;
  padding: 48px 0;
  gap: 40px;
  border-top: 1px solid var(--line-dark);
  font-size: 12px;
}

.site-footer__brand {
  display: flex;
  flex-direction: column;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.site-footer__brand strong {
  margin-bottom: 7px;
  color: var(--ink);
  font-size: 13px;
}

.site-footer p {
  max-width: 560px;
  margin: 0;
  color: var(--ink-soft);
}

.site-footer__links {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  gap: 9px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.04em;
}

.site-footer__year {
  grid-column: 1 / -1;
  align-self: end;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.08em;
}

.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 760ms var(--ease-out), transform 760ms var(--ease-out);
}

.js .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1240px) {
  :root {
    --page: min(100% - 48px, 1180px);
  }

  .hero {
    grid-template-columns: 1fr 0.84fr;
  }

  .project__content {
    grid-template-columns: 0.72fr 1fr;
  }

  .project__description {
    grid-column: 1 / -1;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .project--astro .project__description {
    border-top-color: #b0abd1;
  }

  .project--forest .project__description {
    border-top-color: #42645b;
  }
}

@media (max-width: 940px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .site-nav {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 90px;
  }

  .hero__copy {
    padding-left: 0;
  }

  .signal-stage {
    max-width: 620px;
    margin: -28px auto -20px;
  }

  .manifesto,
  .section-heading {
    grid-template-columns: 0.34fr 1fr;
  }

  .manifesto__copy,
  .section-heading > p:last-child {
    grid-column: 2;
  }

  .project::before {
    display: none;
  }

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

  .principle-list li {
    min-height: auto;
  }

  .principle-list h3 {
    margin-top: 38px;
  }

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

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

  .site-footer__links {
    grid-column: 2;
    grid-row: 1 / span 2;
  }
}

@media (max-width: 680px) {
  :root {
    --page: calc(100% - 28px);
  }

  .site-header {
    min-height: 72px;
  }

  .wordmark {
    gap: 8px;
  }

  .wordmark__channel {
    max-width: 70px;
    font-size: 7px;
    line-height: 1.2;
  }

  .language-toggle {
    min-width: 120px;
    margin-left: 12px;
  }

  .language-toggle__option {
    padding: 0 6px;
  }

  .hero {
    padding: 64px 0 72px;
  }

  .hero__title {
    font-size: clamp(54px, 17vw, 82px);
    line-height: 0.88;
  }

  .hero__lead {
    margin-top: 32px;
  }

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

  .signal-stage {
    width: calc(100% + 20px);
    margin-right: -10px;
    margin-left: -10px;
  }

  .signal-readout strong {
    font-size: 20px;
  }

  .signal-note {
    display: none;
  }

  .manifesto,
  .section-heading {
    display: block;
    padding: 72px 0;
  }

  .manifesto h2,
  .section-heading h2 {
    margin-top: 30px;
  }

  .manifesto__copy,
  .section-heading > p:last-child {
    margin-top: 28px;
  }

  .projects {
    padding-bottom: 80px;
  }

  .section-heading {
    padding-bottom: 32px;
  }

  .project {
    margin-top: 18px;
  }

  .project__meta {
    min-height: 68px;
    padding: 0 16px;
  }

  .project__number {
    display: none;
  }

  .project__content {
    display: block;
    min-height: 0;
  }

  .project__title-block,
  .project__description {
    padding: 34px 22px;
  }

  .project__title-block h3 {
    font-size: clamp(62px, 20vw, 94px);
  }

  .rover-visual,
  .astro-visual,
  .forest-visual {
    min-height: 390px;
  }

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

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

  .principles {
    padding-right: 14px;
    padding-bottom: 72px;
    padding-left: 14px;
  }

  .principle-list li {
    padding: 32px 24px 40px;
  }

  .handoff {
    padding: 88px 0;
  }

  .site-footer {
    display: flex;
    min-height: 0;
    padding: 44px 0;
    flex-direction: column;
  }

  .site-footer__links {
    order: 3;
  }

  .site-footer__year {
    order: 4;
  }
}

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

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

  .signal-stage {
    transform: none !important;
  }
}

@media (prefers-contrast: more) {
  :root {
    --line: #72847f;
    --line-dark: #18343b;
    --ink-soft: #233d44;
  }

  .paper-grid {
    opacity: 0.3;
  }
}