trail-mate/site/styles.css

:root {
  color-scheme: light;

  --animal-primary: #19c8b9;
  --animal-primary-hover: #3dd4c6;
  --animal-primary-active: #11a89b;
  --animal-primary-bg: #e6f9f6;
  --animal-success: #6fba2c;
  --animal-warning: #f5c31c;
  --animal-error: #e05a5a;
  --animal-text: #794f27;
  --animal-text-body: #725d42;
  --animal-text-muted: #8a7b66;
  --animal-text-secondary: #9f927d;
  --animal-border: #c4b89e;
  --animal-border-strong: #9f927d;
  --animal-border-hover: #a89878;
  --animal-bg: #f8f8f0;
  --animal-bg-content: #f7f3df;
  --animal-bg-soft: #fffaf0;
  --animal-shadow-btn: #bdaea0;
  --animal-shadow-input: #d4c9b4;
  --animal-focus: #ffcc00;
  --trail-sky: #7db7d8;
  --trail-blue: #4c78a8;
  --trail-leaf: #7cb342;
  --trail-coral: #e05a5a;
  --trail-ink: #2f4b4a;
  --surface: rgba(255, 252, 244, 0.94);
  --surface-solid: #fffaf0;
  --line: rgba(159, 146, 125, 0.48);
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 24px;
  --radius-pill: 50px;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --esp-tools-button-color: var(--animal-primary);
  --esp-tools-button-text-color: #0f3e38;
  --esp-tools-button-border-radius: 24px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--animal-text-body);
  font-family:
    Nunito,
    "Noto Sans SC",
    "Zen Maru Gothic",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  font-weight: 500;
  background:
    repeating-linear-gradient(
      90deg,
      rgba(25, 200, 185, 0.05) 0 1px,
      transparent 1px 56px
    ),
    repeating-linear-gradient(
      0deg,
      rgba(124, 179, 66, 0.045) 0 1px,
      transparent 1px 56px
    ),
    linear-gradient(180deg, #e6f9f6 0, var(--animal-bg) 280px, #fff8e7 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(135deg, rgba(245, 195, 28, 0.2), transparent 32%),
    linear-gradient(315deg, rgba(125, 183, 216, 0.18), transparent 36%);
}

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

button {
  font: inherit;
}

.page-shell {
  width: min(1320px, calc(100% - 32px));
  margin: 0 auto;
  padding: 18px 0 64px;
}

.topbar {
  position: sticky;
  top: 10px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 12px 16px;
  border: 2px solid rgba(159, 146, 125, 0.5);
  border-radius: var(--radius-lg);
  background: rgba(255, 252, 244, 0.9);
  box-shadow: 0 5px 0 0 rgba(189, 174, 160, 0.8);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
  color: var(--animal-text);
  font-weight: 900;
}

.brand-logo {
  display: block;
  width: 58px;
  height: 38px;
  object-fit: contain;
  filter: drop-shadow(0 4px 0 rgba(189, 174, 160, 0.55));
}

.brand-text {
  color: var(--animal-text);
  font-size: 1rem;
}

.top-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
  gap: 8px;
}

.top-link,
.lang-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 14px;
  border: 2px solid transparent;
  border-radius: var(--radius-pill);
  color: var(--animal-text-muted);
  font-weight: 900;
  line-height: 1;
  transition:
    background-color 160ms var(--ease),
    border-color 160ms var(--ease),
    box-shadow 160ms var(--ease),
    color 160ms var(--ease),
    transform 160ms var(--ease);
}

.top-link:hover,
.lang-button:hover {
  color: var(--trail-ink);
  background: rgba(25, 200, 185, 0.12);
  transform: translateY(-1px);
}

.top-link-strong {
  color: #083d37;
  background: var(--animal-primary);
  border-color: #4de2da;
  box-shadow: 0 3px 0 0 #0a9189;
}

.language-toggle {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border: 2px solid rgba(159, 146, 125, 0.32);
  border-radius: var(--radius-pill);
  background: rgba(255, 250, 240, 0.86);
}

.lang-button {
  min-height: 30px;
  padding: 0 12px;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.lang-button.is-active {
  color: var(--animal-text);
  background: rgba(245, 195, 28, 0.26);
  box-shadow: inset 0 -2px 0 rgba(219, 169, 14, 0.35);
}

.content-shell {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  gap: 28px;
  align-items: start;
  margin-top: 26px;
  min-width: 0;
}

.sidebar {
  position: sticky;
  top: 94px;
  max-height: calc(100vh - 112px);
  overflow: auto;
  padding: 18px;
  border: 2px solid rgba(159, 146, 125, 0.42);
  border-radius: var(--radius-lg);
  background: rgba(255, 252, 244, 0.82);
  box-shadow: 0 5px 0 0 rgba(212, 201, 180, 0.72);
  min-width: 0;
}

.sidebar-label {
  margin: 0 0 12px;
  color: var(--animal-primary-active);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.side-nav {
  display: grid;
  gap: 8px;
}

.side-nav a,
.nav-group summary,
.side-device {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  min-height: 40px;
  padding: 0 13px;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--animal-text-muted);
  background: transparent;
  font-weight: 900;
  text-align: left;
  cursor: pointer;
  transition:
    background-color 160ms var(--ease),
    color 160ms var(--ease),
    transform 160ms var(--ease);
}

.side-nav a::before,
.nav-group summary::before,
.side-device::before {
  content: "";
  flex: 0 0 22px;
  width: 22px;
  height: 22px;
  background: url("./assets/animal-island/icons/icon-map.svg") center / contain no-repeat;
}

.side-nav a[href="#overview"]::before {
  background-image: url("./assets/animal-island/icons/location.svg");
}

.side-nav a[href="#capabilities"]::before {
  background-image: url("./assets/animal-island/icons/icon-design.svg");
}

.nav-group summary::before {
  background-image: url("./assets/animal-island/icons/icon-helicopter.svg");
}

.side-device::before {
  background-image: url("./assets/animal-island/icons/icon-camera.svg");
}

.side-nav a[href="#features"]::before {
  background-image: url("./assets/animal-island/icons/icon-chat.svg");
}

.side-nav a[href="#languages"]::before {
  background-image: url("./assets/animal-island/icons/icon-miles.svg");
}

.side-nav a[href="#webflasher"]::before {
  background-image: url("./assets/animal-island/icons/icon-shopping.svg");
}

.side-nav a[href="#docs"]::before {
  background-image: url("./assets/animal-island/icons/wifi.svg");
}

.side-nav a:hover,
.nav-group summary:hover,
.side-device:hover {
  color: var(--trail-ink);
  background: rgba(25, 200, 185, 0.12);
  transform: translateY(-1px);
}

.side-nav a {
  justify-content: flex-start;
}

.nav-group summary::after {
  margin-left: auto;
}

.side-device span {
  flex: 1;
  min-width: 0;
}

.nav-group {
  display: grid;
  gap: 6px;
}

.nav-group summary {
  list-style: none;
}

.nav-group summary::-webkit-details-marker {
  display: none;
}

.nav-group summary::after {
  content: "+";
  color: var(--animal-primary-active);
}

.nav-group[open] summary::after {
  content: "-";
}

.side-device {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 10px;
  min-height: 44px;
  margin-top: 4px;
  padding: 0 12px;
  border-color: rgba(159, 146, 125, 0.2);
  background: rgba(255, 250, 240, 0.62);
}

.side-device small {
  flex: 0 1 auto;
  min-width: 0;
  color: var(--animal-text-secondary);
  font-size: 0.72rem;
  font-weight: 900;
  line-height: 1.12;
  text-align: left;
}

.side-device span {
  overflow-wrap: anywhere;
}

.side-device.is-active,
.device-tab.is-active {
  color: var(--animal-text);
  background: rgba(245, 195, 28, 0.22);
  border-color: rgba(219, 169, 14, 0.38);
  box-shadow: 0 3px 0 0 rgba(219, 169, 14, 0.32);
}

.main-content {
  min-width: 0;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.86fr);
  gap: 34px;
  align-items: center;
  padding: 28px 0 30px;
  min-width: 0;
}

.hero-copy {
  max-width: 680px;
  min-width: 0;
}

.eyebrow,
.feature-kicker,
.board-chip {
  margin: 0 0 10px;
  color: var(--animal-primary-active);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p,
dd,
dt {
  margin: 0;
}

h1 {
  color: var(--animal-text);
  font-size: 4.8rem;
  font-weight: 900;
  line-height: 0.94;
  letter-spacing: 0;
  text-shadow: 0 4px 0 rgba(189, 174, 160, 0.7);
}

.hero-tagline {
  max-width: 14ch;
  margin-top: 12px;
  color: var(--trail-ink);
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.12;
}

.lede {
  max-width: 60ch;
  margin-top: 18px;
  color: var(--animal-text-muted);
  font-size: 1.05rem;
  line-height: 1.72;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.button,
.flash-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  font-weight: 900;
  line-height: 1;
  transition:
    transform 160ms var(--ease),
    box-shadow 160ms var(--ease),
    background-color 160ms var(--ease),
    border-color 160ms var(--ease);
}

.button:hover,
.flash-button:hover {
  transform: translateY(-1px);
}

.button:active,
.flash-button:active {
  transform: translateY(2px);
}

.button-primary,
.flash-button {
  color: #083d37;
  background: var(--animal-primary);
  border-color: #4de2da;
  box-shadow: 0 5px 0 0 #0a9189;
}

.button-primary:hover,
.flash-button:hover {
  background: var(--animal-primary-hover);
}

.button-primary:active,
.flash-button:active {
  box-shadow: 0 1px 0 0 #0a9189;
}

.button-secondary {
  color: var(--animal-text);
  background: var(--animal-bg);
  border-color: var(--animal-border);
  box-shadow: 0 5px 0 0 var(--animal-shadow-btn);
}

.button-secondary:hover {
  border-color: var(--animal-border-hover);
  box-shadow: 0 6px 0 0 var(--animal-shadow-btn);
}

.button-secondary:active {
  box-shadow: 0 1px 0 0 var(--animal-shadow-btn);
}

.hero-visual,
.language-highlight,
.language-pack-card,
.capability-card,
.collapse-panel,
.board-card,
.shot,
.device-stage,
.links-section article {
  transition:
    transform 220ms var(--ease),
    box-shadow 220ms var(--ease),
    border-color 220ms var(--ease);
}

.hero-visual {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding: 18px;
  border: 2px solid var(--animal-border);
  border-radius: 32px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.62), rgba(255, 248, 231, 0.9)),
    var(--animal-bg-content);
  box-shadow: 0 7px 0 0 rgba(189, 174, 160, 0.82);
}

.hero-screen {
  grid-column: 1 / -1;
  display: grid;
  place-items: center;
  aspect-ratio: 480 / 222;
  min-height: 0;
  padding: 12px;
  overflow: hidden;
  border: 2px solid rgba(159, 146, 125, 0.5);
  border-radius: var(--radius-lg);
  background: #2f4b4a;
  box-shadow: inset 0 0 0 4px rgba(255, 250, 240, 0.08);
}

.hero-screen img,
.shot img,
.device-main-shot img,
.device-thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.hero-screen img {
  border-radius: var(--radius-sm);
}

.hero-note {
  min-height: 118px;
  padding: 14px 16px;
  border: 2px solid rgba(159, 146, 125, 0.42);
  border-radius: var(--radius-md);
  background: rgba(255, 252, 244, 0.86);
}

.hero-note-value {
  color: var(--animal-text-body);
  line-height: 1.45;
}

.overview-ribbon {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.9fr);
  gap: 20px;
  align-items: center;
  margin-top: 18px;
  padding: 24px 28px;
  border: 2px dashed rgba(159, 146, 125, 0.55);
  border-radius: var(--radius-lg);
  background: rgba(230, 249, 246, 0.72);
}

.overview-copy,
.story-lede,
.links-section p,
.section-note,
.board-copy,
.board-hint,
.support-note,
.workflow-note p,
.capability-card p,
.language-highlight p:last-child,
.language-pack-summary,
.device-summary,
.device-empty p,
.collapse-content p,
.site-footer-card p {
  color: var(--animal-text-muted);
  line-height: 1.7;
}

.overview-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.overview-tags span,
.language-pill,
.device-status-card,
.device-meta-chip {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border: 2px solid rgba(159, 146, 125, 0.36);
  border-radius: var(--radius-pill);
  background: rgba(255, 250, 240, 0.86);
  color: var(--animal-text);
  font-size: 0.78rem;
  font-weight: 900;
}

.overview-tags span:nth-child(3n + 1),
.language-pill:nth-child(3n + 1) {
  background: rgba(25, 200, 185, 0.12);
}

.overview-tags span:nth-child(3n + 2),
.language-pill:nth-child(3n + 2) {
  background: rgba(245, 195, 28, 0.18);
}

.overview-tags span:nth-child(3n + 3),
.language-pill:nth-child(3n + 3) {
  background: rgba(124, 179, 66, 0.14);
}

.capability-section,
.device-section,
.language-section,
.install-section {
  margin-top: 34px;
  padding: 34px;
  border: 2px solid rgba(159, 146, 125, 0.42);
  border-radius: 34px;
  background:
    linear-gradient(180deg, rgba(255, 252, 244, 0.92), rgba(247, 243, 223, 0.86)),
    var(--animal-bg-content);
}

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
}

.section-heading h2,
.story-copy h2,
.capability-card h3,
.collapse-panel summary,
.links-section h2,
.install-section h2,
.site-footer-card h2 {
  color: var(--animal-text);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: 0;
}

.section-heading h2,
.story-copy h2,
.links-section h2,
.install-section h2,
.site-footer-card h2 {
  font-size: 2.12rem;
}

.section-note {
  max-width: 52ch;
}

.animal-divider {
  width: min(760px, 82%);
  height: 18px;
  margin: 34px auto 0;
  background: url("./assets/animal-island/dividers/divider-line-teal.svg") center / contain no-repeat;
}

.animal-divider-teal {
  background-image: url("./assets/animal-island/dividers/divider-line-teal.svg");
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.capability-card {
  position: relative;
  min-height: 210px;
  padding: 24px 22px 22px;
  border: 2px solid rgba(159, 146, 125, 0.42);
  border-radius: var(--radius-md);
  background: rgba(255, 252, 244, 0.86);
  box-shadow: 0 4px 0 0 rgba(212, 201, 180, 0.8);
}

.capability-card::before {
  content: "";
  display: block;
  width: 54px;
  height: 54px;
  margin-bottom: 12px;
  background: url("./assets/animal-island/icons/icon-map.svg") center / contain no-repeat;
  filter: drop-shadow(0 4px 0 rgba(189, 174, 160, 0.42));
  transition: transform 220ms var(--ease);
}

.capability-card:hover::before {
  transform: scale(1.08) rotate(-4deg);
}

.capability-device::before {
  background-image: url("./assets/animal-island/icons/icon-helicopter.svg");
}

.capability-navigation::before {
  background-image: url("./assets/animal-island/icons/icon-map.svg");
}

.capability-protocol::before {
  background-image: url("./assets/animal-island/icons/icon-chat.svg");
}

.capability-install::before {
  background-image: url("./assets/animal-island/icons/icon-shopping.svg");
}

.capability-locale::before {
  background-image: url("./assets/animal-island/icons/icon-design.svg");
}

.capability-field::before {
  background-image: url("./assets/animal-island/icons/icon-diy.svg");
}

.capability-card:nth-child(6n + 1),
.capability-card:nth-child(6n + 4) {
  background: linear-gradient(180deg, rgba(230, 249, 246, 0.9), rgba(255, 252, 244, 0.94));
}

.capability-card:nth-child(6n + 2),
.capability-card:nth-child(6n + 5) {
  background: linear-gradient(180deg, rgba(255, 248, 210, 0.92), rgba(255, 252, 244, 0.94));
}

.capability-card:nth-child(6n + 3),
.capability-card:nth-child(6n + 6) {
  background: linear-gradient(180deg, rgba(232, 246, 218, 0.92), rgba(255, 252, 244, 0.94));
}

.capability-card:hover,
.collapse-panel:hover {
  transform: translateY(-2px);
  border-color: var(--animal-border-hover);
  box-shadow: 0 6px 0 0 rgba(212, 201, 180, 0.9);
}

.capability-card h3 {
  margin-bottom: 10px;
  font-size: 1.32rem;
}

.device-browser {
  overflow: hidden;
  margin-top: 24px;
  border: 2px solid var(--animal-border);
  border-radius: var(--radius-lg);
  background: var(--animal-bg);
}

.device-switcher {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 16px;
  border-bottom: 2px solid var(--animal-border);
  background: rgba(255, 255, 255, 0.6);
}

.device-tab {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 8px 16px;
  border: 0;
  border-radius: var(--radius-lg);
  background: transparent;
  color: var(--animal-text);
  cursor: pointer;
  text-align: left;
  transition:
    background-color 160ms var(--ease),
    border-color 160ms var(--ease),
    box-shadow 160ms var(--ease),
    color 160ms var(--ease),
    transform 160ms var(--ease);
}

.device-tab:hover {
  background: rgba(25, 200, 185, 0.12);
  color: var(--animal-text);
}

.device-tab span {
  position: relative;
  z-index: 1;
  font-weight: 700;
}

.device-tab small {
  position: relative;
  z-index: 1;
  color: inherit;
  font-size: 0.78rem;
  font-weight: 800;
  opacity: 0.72;
}

.device-tab::before {
  content: "";
  position: relative;
  z-index: 1;
  flex: 0 0 24px;
  width: 24px;
  height: 24px;
  background: url("./assets/animal-island/icons/icon-camera.svg") center / contain no-repeat;
  transition: transform 220ms var(--ease);
}

.device-tab[data-device-target="tlora-pager-sx1262"]::before {
  background-image: url("./assets/animal-island/icons/icon-chat.svg");
}

.device-tab[data-device-target="tlora-pager-lr1121"]::before {
  background-image: url("./assets/animal-island/icons/wifi.svg");
}

.device-tab[data-device-target="tdeck"]::before {
  background-image: url("./assets/animal-island/icons/icon-map.svg");
}

.device-tab[data-device-target="lilygo-twatch-s3"]::before {
  background-image: url("./assets/animal-island/icons/icon-miles.svg");
}

.device-tab[data-device-target="gat562-mesh-evb-pro"]::before {
  background-image: url("./assets/animal-island/icons/wifi.svg");
}

.device-tab.is-active::before {
  transform: scale(1.2);
}

.device-tab.is-active::after {
  content: "";
  position: absolute;
  top: -8px;
  right: -5px;
  width: 18px;
  height: 18px;
  background: url("./assets/animal-island/icons/icon-leaf.png") center / contain no-repeat;
  animation: leafWiggle 2s ease-in-out infinite;
}

.device-tab.is-active {
  color: #fff9e3;
  background: #0cc0b5;
  border-color: transparent;
  box-shadow: 0 3px 0 0 rgba(61, 52, 40, 0.08);
}

@keyframes leafWiggle {
  0%,
  100% {
    transform: rotate(0deg);
  }

  25% {
    transform: rotate(-10deg);
  }

  75% {
    transform: rotate(10deg);
  }
}

.device-stage {
  min-width: 0;
  padding: 24px;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  animation: fadeIn 0.25s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(4px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.device-stage-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.device-stage-header h3 {
  color: var(--animal-text);
  font-size: 2rem;
  font-weight: 900;
  line-height: 1.06;
}

.device-summary {
  max-width: 64ch;
  margin-top: 10px;
}

.device-status-card {
  min-width: max-content;
  background: rgba(25, 200, 185, 0.12);
}

.device-showcase {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(240px, 0.55fr);
  gap: 18px;
  align-items: stretch;
  margin-top: 18px;
}

.device-main-shot {
  display: grid;
  grid-template-rows: 1fr auto;
  min-width: 0;
  margin: 0;
  overflow: hidden;
  border: 2px solid rgba(159, 146, 125, 0.46);
  border-radius: var(--radius-lg);
  background: #2f4b4a;
}

.device-main-shot img {
  aspect-ratio: 480 / 222;
  min-height: 0;
  padding: 14px;
}

.device-main-shot figcaption {
  padding: 12px 14px;
  border-top: 2px solid rgba(255, 250, 240, 0.16);
  color: #fffaf0;
  font-weight: 900;
}

.device-detail-panel {
  padding: 18px;
  border: 2px dashed rgba(159, 146, 125, 0.46);
  border-radius: var(--radius-md);
  background: rgba(230, 249, 246, 0.52);
}

.device-interactions {
  display: grid;
  gap: 12px;
  margin: 0;
  padding-left: 20px;
  color: var(--trail-ink);
  line-height: 1.58;
}

.device-interactions li::marker {
  color: var(--animal-primary-active);
}

.device-thumb-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.device-thumb {
  display: grid;
  gap: 8px;
  min-width: 0;
  padding: 8px;
  border: 2px solid rgba(159, 146, 125, 0.32);
  border-radius: var(--radius-md);
  background: rgba(255, 250, 240, 0.82);
  color: var(--animal-text-muted);
  cursor: pointer;
  text-align: left;
  transition:
    background-color 160ms var(--ease),
    border-color 160ms var(--ease),
    box-shadow 160ms var(--ease),
    color 160ms var(--ease),
    transform 160ms var(--ease);
}

.device-thumb:hover,
.device-thumb.is-active {
  color: var(--animal-text);
  border-color: rgba(25, 200, 185, 0.58);
  background: rgba(230, 249, 246, 0.86);
  transform: translateY(-1px);
}

.device-thumb.is-active {
  box-shadow: 0 3px 0 0 rgba(17, 168, 155, 0.32);
}

.device-thumb img {
  aspect-ratio: 480 / 222;
  border-radius: 10px;
  background: #f8f4e8;
}

.device-thumb span {
  display: block;
  padding: 0 4px 3px;
  font-size: 0.86rem;
  font-weight: 900;
}

.device-empty {
  grid-column: 1 / -1;
  padding: 22px;
  border: 2px dashed rgba(159, 146, 125, 0.46);
  border-radius: var(--radius-md);
  background: rgba(255, 250, 240, 0.7);
}

.device-empty h4 {
  margin: 0 0 8px;
  color: var(--animal-text);
  font-size: 1.15rem;
  font-weight: 900;
}

.story-stack {
  display: grid;
  gap: 16px;
  margin-top: 34px;
}

.story-section {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.28fr);
  gap: 28px;
  align-items: center;
  padding: 34px 0;
  border-top: 2px solid rgba(159, 146, 125, 0.28);
}

.story-lede {
  margin-top: 12px;
}

.story-media {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  min-height: 0;
}

.shot {
  display: grid;
  place-items: center;
  width: 100%;
  aspect-ratio: 480 / 222;
  min-width: 0;
  margin: 0;
  padding: 10px;
  overflow: hidden;
  border: 2px solid rgba(159, 146, 125, 0.46);
  border-radius: var(--radius-md);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.55), rgba(255, 248, 231, 0.74)),
    #f8f4e8;
  box-shadow: 0 4px 0 0 rgba(212, 201, 180, 0.82);
}

.shot:hover {
  transform: translateY(-2px);
  border-color: var(--animal-border-hover);
  box-shadow: 0 6px 0 0 rgba(212, 201, 180, 0.9);
}

.shot img {
  border-radius: 10px;
  background: #f8f4e8;
}

.language-highlights {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.language-highlight,
.language-pack-card,
.board-card {
  padding: 22px;
  border: 2px solid rgba(159, 146, 125, 0.42);
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: 0 4px 0 0 rgba(212, 201, 180, 0.8);
}

.language-highlight:nth-child(4n + 1),
.language-pack-card:nth-child(4n + 1),
.board-card:nth-child(4n + 1) {
  background: linear-gradient(180deg, rgba(230, 249, 246, 0.9), rgba(255, 252, 244, 0.94));
}

.language-highlight:nth-child(4n + 2),
.language-pack-card:nth-child(4n + 2),
.board-card:nth-child(4n + 2) {
  background: linear-gradient(180deg, rgba(255, 248, 210, 0.92), rgba(255, 252, 244, 0.94));
}

.language-highlight:nth-child(4n + 3),
.language-pack-card:nth-child(4n + 3),
.board-card:nth-child(4n + 3) {
  background: linear-gradient(180deg, rgba(232, 246, 218, 0.92), rgba(255, 252, 244, 0.94));
}

.language-highlight:hover,
.language-pack-card:hover,
.board-card:hover {
  transform: translateY(-2px);
  border-color: var(--animal-border-hover);
  box-shadow: 0 6px 0 0 rgba(212, 201, 180, 0.9);
}

.language-highlight h3,
.language-pack-card h3,
.board-card h3 {
  color: var(--animal-text);
  font-size: 1.28rem;
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: 0;
}

.language-highlight p:last-child,
.language-pack-summary {
  margin-top: 10px;
}

.language-pack-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.language-pack-meta,
.language-pack-locales,
.language-pack-profiles {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.language-pack-empty {
  grid-column: 1 / -1;
}

.install-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 24px;
}

.board-card h3 {
  margin-bottom: 8px;
  font-size: 1.42rem;
}

.board-copy {
  min-height: 52px;
}

.board-install {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 2px dashed rgba(159, 146, 125, 0.38);
}

.board-card-muted {
  background: linear-gradient(180deg, rgba(224, 90, 90, 0.1), rgba(255, 252, 244, 0.94));
}

.install-button-wrap {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.flash-button {
  appearance: none;
  cursor: pointer;
}

.release-link {
  display: inline-flex;
  margin-top: 16px;
  color: var(--animal-primary-active);
  font-weight: 900;
}

.release-link:hover {
  color: var(--trail-ink);
}

.workflow-note {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 22px;
}

.workflow-note p {
  padding: 14px 16px;
  border: 2px dashed rgba(159, 146, 125, 0.38);
  border-radius: var(--radius-md);
  background: rgba(255, 252, 244, 0.76);
}

.collapse-list {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.collapse-panel {
  overflow: hidden;
  border: 2px solid var(--animal-border);
  border-radius: var(--radius-md);
  background: rgba(255, 252, 244, 0.82);
  box-shadow: 0 3px 0 0 rgba(212, 201, 180, 0.8);
}

.collapse-panel summary {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 64px;
  padding: 16px 24px;
  cursor: pointer;
  list-style: none;
  font-size: 1.02rem;
}

.collapse-panel summary::-webkit-details-marker {
  display: none;
}

.collapse-icon {
  display: inline-flex;
  flex: 0 0 28px;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--animal-primary);
  color: #fff;
  box-shadow: 0 2px 4px rgba(25, 200, 185, 0.3);
  font-size: 1.1rem;
  font-weight: 900;
  transition: transform 220ms var(--ease);
}

.collapse-panel[open] .collapse-icon {
  transform: rotate(45deg);
}

.collapse-content {
  padding: 0 24px 24px 64px;
  animation: fadeIn 0.25s ease;
}

.links-section {
  margin-top: 28px;
}

.links-section article {
  padding: 28px;
  border: 2px solid rgba(159, 146, 125, 0.42);
  border-radius: var(--radius-lg);
  background: rgba(230, 249, 246, 0.62);
}

.links-section p {
  max-width: 74ch;
  margin-top: 10px;
}

dt {
  margin-bottom: 6px;
  color: var(--animal-text-muted);
  font-size: 0.95rem;
}

dd {
  font-size: 1.05rem;
  line-height: 1.45;
}

.site-footer {
  margin-top: 44px;
}

.site-footer-card {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding: 28px;
  border: 2px solid rgba(159, 146, 125, 0.42);
  border-radius: var(--radius-lg);
  background: rgba(255, 252, 244, 0.84);
  box-shadow: 0 5px 0 0 rgba(212, 201, 180, 0.78);
}

.site-footer-card h2 {
  max-width: 18ch;
}

.site-footer-card p:last-child {
  max-width: 68ch;
  margin-top: 12px;
}

.site-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.site-footer-links a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 14px;
  border: 2px solid rgba(159, 146, 125, 0.36);
  border-radius: var(--radius-pill);
  background: rgba(230, 249, 246, 0.74);
  color: var(--animal-text);
  font-weight: 900;
  transition:
    background-color 160ms var(--ease),
    transform 160ms var(--ease);
}

.site-footer-links a:hover {
  background: rgba(25, 200, 185, 0.16);
  transform: translateY(-1px);
}

.animal-footer-art {
  width: 100%;
  height: 96px;
  margin-top: 18px;
  background: url("./assets/animal-island/footer/footer-tree.webp") bottom center / cover no-repeat;
  border-radius: var(--radius-lg);
}

@media (max-width: 1120px) {
  .content-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: sticky;
    top: 86px;
    z-index: 12;
    max-height: none;
    overflow: visible;
  }

  .side-nav {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
  }

  .side-nav > a,
  .nav-group {
    flex: 1 1 160px;
  }

  .nav-group {
    min-width: 220px;
  }

  .side-device {
    width: 100%;
    margin-right: 0;
  }
}

@media (max-width: 980px) {
  .hero,
  .overview-ribbon,
  .device-browser,
  .device-showcase,
  .story-section,
  .install-grid,
  .workflow-note,
  .capability-grid {
    grid-template-columns: 1fr;
  }

  .overview-tags {
    justify-content: flex-start;
  }

  .section-heading,
  .device-stage-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero-copy {
    max-width: none;
  }

  .hero-tagline {
    max-width: 20ch;
  }

  .device-switcher {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .site-footer-links {
    justify-content: flex-start;
  }
}

@media (max-width: 760px) {
  html,
  body {
    overflow-x: hidden;
  }

  .page-shell {
    width: calc(100% - 24px);
    padding-top: 12px;
  }

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

  .brand,
  .top-actions {
    justify-content: center;
  }

  .top-actions {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    width: 100%;
  }

  .top-link {
    width: 100%;
    min-width: 0;
    padding-inline: 10px;
  }

  .language-toggle {
    display: grid;
    grid-column: 1 / -1;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
  }

  .lang-button {
    min-width: 0;
  }

  .sidebar {
    position: static;
    padding: 14px;
  }

  .side-nav {
    display: grid;
    overflow: visible;
    padding-bottom: 0;
  }

  .side-nav > a,
  .nav-group {
    flex: initial;
    min-width: 0;
  }

  .side-device {
    width: 100%;
    min-height: 40px;
    padding-inline: 12px;
  }

  .hero {
    padding-top: 24px;
  }

  h1 {
    font-size: 3.2rem;
  }

  .hero-tagline {
    max-width: none;
    font-size: 1.55rem;
  }

  .hero-visual,
  .capability-section,
  .device-section,
  .language-section,
  .install-section,
  .links-section article {
    padding: 20px;
    border-radius: var(--radius-lg);
  }

  .hero-visual,
  .language-highlights,
  .language-pack-grid,
  .story-media,
  .device-thumb-grid,
  .device-switcher,
  .capability-grid {
    grid-template-columns: 1fr;
  }

  .device-switcher {
    display: grid;
  }

  .hero-screen {
    grid-column: auto;
  }

  .section-heading h2,
  .story-copy h2,
  .links-section h2,
  .install-section h2 {
    font-size: 1.65rem;
  }

  .device-stage-header h3 {
    font-size: 1.65rem;
  }

  .collapse-panel summary {
    padding: 14px 16px;
  }

  .collapse-content {
    padding: 0 16px 18px 56px;
  }
}

@media (max-width: 430px) {
  .page-shell {
    width: calc(100% - 18px);
  }

  .topbar,
  .hero-visual,
  .capability-section,
  .device-section,
  .language-section,
  .install-section,
  .links-section article,
  .capability-card,
  .language-highlight,
  .language-pack-card,
  .board-card,
  .device-stage,
  .site-footer-card {
    padding: 16px;
  }

  h1 {
    font-size: 2.72rem;
  }

  .hero-tagline {
    font-size: 1.32rem;
  }

  .button,
  .flash-button {
    width: 100%;
  }

  .overview-ribbon {
    padding: 18px;
  }

  .collapse-content {
    padding-left: 16px;
  }

  .site-footer-links a {
    flex: 1 1 100%;
    justify-content: center;
  }
}