/* Joystick Gobloon website. Values follow a fixed system: spacing tokens, the Tailwind type
   scale and radius steps, flat backgrounds, one typeface (Geist). */

:root {
  --s-25: 2px;
  --s-50: 4px;
  --s-75: 8px;
  --s-100: 12px;
  --s-200: 16px;
  --s-300: 24px;
  --s-400: 32px;
  --s-500: 40px;
  --s-600: 48px;
  --s-700: 64px;
  --s-800: 80px;
  --s-900: 96px;

  --r-md: 6px;
  --r-lg: 8px;
  --r-xl: 12px;
  --r-2xl: 16px;
  --r-3xl: 24px;
  --r-full: 9999px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  /* Dark theme (default). */
  --bg: #131209;
  --surface: #1f1f1f;
  --surface-2: #272727;
  --line: #313131;
  --text: #f4f4f0;
  --text-muted: #a3a39a;
  --heading-from: #ffffff;
  --heading-to: #9b9b9b;
  --accent: #9acd32;
  --accent-strong: #b5e05a;
  --accent-ink: #131209;
  --nav-bg: rgba(31, 31, 31, 0.72);
  --menu-bg: rgba(19, 18, 9, 0.94);
  --reveal-dim: rgba(244, 244, 240, 0.3);
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #fbfbf7;
    --surface: #ffffff;
    --surface-2: #f1f1ea;
    --line: #e2e2d9;
    --text: #15150f;
    --text-muted: #5c5c52;
    --heading-from: #000000;
    --heading-to: #666666;
    --accent: #5f8a12;
    --accent-strong: #4d7208;
    --accent-ink: #ffffff;
    --nav-bg: rgba(255, 255, 255, 0.72);
    --menu-bg: rgba(251, 251, 247, 0.94);
    --reveal-dim: rgba(21, 21, 15, 0.3);
    color-scheme: light;
  }
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--s-900);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Geist", system-ui, sans-serif;
  font-size: 1rem;
  line-height: 1.5rem;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3 {
  margin: 0;
  font-weight: 600;
  text-wrap: balance;
}

p,
li,
dd {
  text-wrap: pretty;
}

p {
  margin: 0;
}

a {
  color: inherit;
}

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

code {
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 0.875rem;
  line-height: 1.25rem;
  padding: var(--s-25) var(--s-50);
  border-radius: var(--r-md);
  background: var(--surface-2);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.skip {
  position: absolute;
  left: var(--s-200);
  top: var(--s-200);
  z-index: 100;
  padding: var(--s-75) var(--s-100);
  border-radius: var(--r-lg);
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
  text-decoration: none;
  transform: translateY(-200%);
}

.skip:focus {
  transform: none;
}

.wrap {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 var(--s-200);
}

@media (min-width: 768px) {
  .wrap {
    padding: 0 var(--s-400);
  }
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--s-75);
  padding: var(--s-75) var(--s-100);
  border: 1px solid transparent;
  border-radius: var(--r-lg);
  font: inherit;
  font-size: 1rem;
  line-height: 1.5rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform 500ms var(--ease),
    background-color 300ms var(--ease),
    border-color 300ms var(--ease),
    color 300ms var(--ease);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: scale(0.98);
}

.btn i {
  font-size: 1.25rem;
}

.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
}

.btn-primary:hover {
  background: var(--accent-strong);
}

.btn-ghost {
  border-color: var(--line);
  color: var(--text);
}

.btn-ghost:hover {
  background: var(--surface-2);
}

.btn-sm {
  font-size: 0.875rem;
  line-height: 1.25rem;
}

/* Navigation */

.nav {
  position: fixed;
  top: var(--s-200);
  left: 50%;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: var(--s-300);
  width: max-content;
  max-width: calc(100% - var(--s-400));
  padding: var(--s-75) var(--s-75) var(--s-75) var(--s-200);
  border: 1px solid var(--line);
  border-radius: var(--r-2xl);
  background: var(--nav-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transform: translateX(-50%);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--s-75);
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.brand img {
  width: 24px;
  height: 24px;
}

.nav-links {
  display: none;
  gap: var(--s-50);
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-links a {
  display: block;
  padding: var(--s-75) var(--s-100);
  border-radius: var(--r-lg);
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1.25rem;
  font-weight: 500;
  text-decoration: none;
  transition:
    color 300ms var(--ease),
    background-color 300ms var(--ease);
}

.nav-links a:hover,
.nav-links a[aria-current] {
  color: var(--text);
  background: var(--surface-2);
}

.nav-cta {
  display: none;
}

.menu-toggle {
  position: relative;
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: var(--r-lg);
  background: transparent;
  color: var(--text);
  cursor: pointer;
}

.menu-toggle span {
  position: absolute;
  left: 12px;
  width: 16px;
  height: 2px;
  border-radius: var(--r-full);
  background: currentColor;
  transition: transform 500ms var(--ease);
}

.menu-toggle span:first-child {
  transform: translateY(-4px);
}

.menu-toggle span:last-child {
  transform: translateY(4px);
}

.menu-open .menu-toggle span:first-child {
  transform: rotate(45deg);
}

.menu-open .menu-toggle span:last-child {
  transform: rotate(-45deg);
}

@media (min-width: 1100px) {
  .nav-links,
  .nav-cta {
    display: flex;
  }

  .menu-toggle {
    display: none;
  }
}

.menu {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--s-900) var(--s-300) var(--s-600);
  background: var(--menu-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 300ms var(--ease),
    visibility 0s linear 300ms;
}

.menu-open .menu {
  opacity: 1;
  visibility: visible;
  transition: opacity 300ms var(--ease);
}

.menu ul {
  display: grid;
  gap: var(--s-100);
  margin: 0;
  padding: 0;
  list-style: none;
}

.menu li {
  opacity: 0;
  transform: translateY(var(--s-300));
  transition:
    opacity 500ms var(--ease),
    transform 500ms var(--ease);
}

.menu-open .menu li {
  opacity: 1;
  transform: none;
  transition-delay: calc(var(--i) * 60ms);
}

.menu a {
  display: block;
  padding: var(--s-75) 0;
  font-size: 1.875rem;
  line-height: 2.25rem;
  font-weight: 600;
  text-decoration: none;
}

/* Hero */

.hero {
  padding: calc(var(--s-900) + var(--s-700)) 0 var(--s-700);
  text-align: center;
}

.hero-logo {
  display: block;
  width: 128px;
  height: 128px;
  margin: 0 auto var(--s-300);
  overflow: visible;
}

@media (min-width: 768px) {
  .hero-logo {
    width: 160px;
    height: 160px;
  }
}

/* The logo floats gently; its stick, eye and ears move by their own SVG animations. */
.motion .hero-logo .bob {
  animation: bob 2.8s cubic-bezier(0.37, 0, 0.63, 1) infinite alternate;
}

@keyframes bob {
  from {
    transform: translateY(-3px);
  }
  to {
    transform: translateY(3px);
  }
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--s-75);
  margin-bottom: var(--s-300);
  padding: var(--s-50) var(--s-100);
  border: 1px solid var(--line);
  border-radius: var(--r-full);
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1.25rem;
}

.eyebrow .dot {
  width: 8px;
  height: 8px;
  border-radius: var(--r-full);
  background: var(--accent);
}

.gradient {
  background: linear-gradient(90deg, var(--heading-from), var(--heading-to));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero h1 {
  max-width: 680px;
  margin: 0 auto;
  font-size: 2.25rem;
  line-height: 2.5rem;
  letter-spacing: -0.02em;
}

@media (min-width: 768px) {
  .hero h1 {
    font-size: 3.75rem;
    line-height: 1;
  }
}

.hero .sub {
  max-width: 680px;
  margin: var(--s-300) auto 0;
  color: var(--text-muted);
  font-size: 1.125rem;
  line-height: 1.75rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--s-100);
  margin-top: var(--s-400);
}

.hero-note {
  margin-top: var(--s-200);
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1.25rem;
}

.shot {
  margin: var(--s-700) auto 0;
  padding: var(--s-75);
  max-width: 1000px;
  border: 1px solid var(--line);
  border-radius: var(--r-2xl);
  background: var(--surface);
}

.shot img {
  border-radius: var(--r-lg);
}

/* Proof strip */

.proof {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--s-300);
  margin-top: var(--s-600);
  padding: 0;
  list-style: none;
}

@media (min-width: 768px) {
  .proof {
    grid-template-columns: repeat(4, 1fr);
  }
}

.proof li {
  text-align: center;
}

.proof strong {
  display: block;
  font-size: 1.875rem;
  line-height: 2.25rem;
  font-weight: 600;
}

.proof span {
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1.25rem;
}

/* Sections */

section {
  padding: var(--s-800) 0;
}

.section-head {
  max-width: 680px;
  margin-bottom: var(--s-600);
}

.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.kicker {
  margin-bottom: var(--s-100);
  color: var(--accent);
  font-size: 0.875rem;
  line-height: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h2 {
  font-size: 1.875rem;
  line-height: 2.25rem;
  letter-spacing: -0.01em;
}

@media (min-width: 768px) {
  h2 {
    font-size: 2.25rem;
    line-height: 2.5rem;
  }
}

.section-head p {
  margin-top: var(--s-200);
  color: var(--text-muted);
  font-size: 1.125rem;
  line-height: 1.75rem;
}

h3 {
  font-size: 1.25rem;
  line-height: 1.75rem;
}

.muted {
  color: var(--text-muted);
}

/* Problem to solution */

.compare {
  display: grid;
  gap: var(--s-300);
}

@media (min-width: 900px) {
  .compare {
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
  }
}

.card {
  padding: var(--s-300);
  border: 1px solid var(--line);
  border-radius: var(--r-2xl);
  background: var(--surface);
}

.tool-list {
  display: grid;
  gap: var(--s-100);
  margin: var(--s-200) 0 0;
  padding: 0;
  list-style: none;
}

.tool-list li {
  display: flex;
  gap: var(--s-100);
  align-items: flex-start;
  padding: var(--s-100);
  border-radius: var(--r-lg);
  background: var(--surface-2);
}

.tool-list i {
  flex: none;
  margin-top: var(--s-25);
  font-size: 1.25rem;
  color: var(--text-muted);
}

.tool-list b {
  display: block;
  font-weight: 600;
}

.tool-list span {
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1.25rem;
}

.card.solution {
  border-color: var(--accent);
}

.card.solution .tool-list i {
  color: var(--accent);
}

.arrow {
  display: grid;
  place-items: center;
  color: var(--accent);
  font-size: 2.25rem;
}

@media (max-width: 899px) {
  .arrow i {
    transform: rotate(90deg);
  }
}

/* Tagline reveal */

.tagline {
  padding: var(--s-900) 0;
}

.tagline p {
  max-width: 820px;
  margin: 0 auto;
  font-size: 2.25rem;
  line-height: 2.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  text-align: center;
  text-wrap: balance;
}

@media (min-width: 768px) {
  .tagline p {
    font-size: 3rem;
    line-height: 1;
  }
}

.tagline .w {
  color: var(--reveal-dim);
  transition: color 600ms var(--ease);
}

.tagline .w.on {
  color: var(--text);
}

/* Benefits */

.benefit {
  display: grid;
  gap: var(--s-400);
  align-items: center;
  padding: var(--s-600) 0;
}

@media (min-width: 900px) {
  .benefit {
    grid-template-columns: 5fr 7fr;
    gap: var(--s-700);
  }

  .benefit.flip > :first-child {
    order: 2;
  }
}

.benefit-icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  margin-bottom: var(--s-200);
  border-radius: var(--r-xl);
  background: var(--surface-2);
  color: var(--accent);
  font-size: 1.5rem;
}

.benefit h3 {
  font-size: 1.5rem;
  line-height: 2rem;
}

.benefit p {
  margin-top: var(--s-100);
  color: var(--text-muted);
}

.ticks {
  display: grid;
  gap: var(--s-75);
  margin: var(--s-200) 0 0;
  padding: 0;
  list-style: none;
}

.ticks li {
  display: flex;
  gap: var(--s-75);
}

.ticks i {
  flex: none;
  margin-top: var(--s-50);
  color: var(--accent);
}

.benefit .shot {
  margin: 0;
}

/* Actions grid */

.actions {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--s-100);
  margin: 0;
  padding: 0;
  list-style: none;
}

.actions li {
  display: flex;
  align-items: center;
  gap: var(--s-100);
  padding: var(--s-100) var(--s-200);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  background: var(--surface);
  font-size: 0.875rem;
  line-height: 1.25rem;
  font-weight: 500;
  transition: transform 500ms var(--ease);
}

.actions li:hover {
  transform: translateY(-2px);
}

.actions i {
  font-size: 1.25rem;
  color: var(--accent);
}

.more {
  margin-top: var(--s-300);
}

.more a {
  display: inline-flex;
  align-items: center;
  gap: var(--s-50);
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}

.more a:hover {
  text-decoration: underline;
}

/* Steps */

.steps {
  display: grid;
  gap: var(--s-300);
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

@media (min-width: 900px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
  }
}

.steps li {
  counter-increment: step;
}

.steps li::before {
  content: counter(step);
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  margin-bottom: var(--s-200);
  border-radius: var(--r-full);
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
}

.steps p {
  margin-top: var(--s-75);
  color: var(--text-muted);
}

/* Platforms table */

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--r-2xl);
  background: var(--surface);
}

table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 0.875rem;
  line-height: 1.25rem;
}

th,
td {
  padding: var(--s-200);
  text-align: left;
  vertical-align: top;
}

thead th {
  font-size: 1rem;
  line-height: 1.5rem;
  background: var(--surface-2);
}

thead th i {
  margin-right: var(--s-75);
  color: var(--accent);
}

tbody tr + tr > * {
  border-top: 1px solid var(--line);
}

tbody th {
  width: 22%;
  font-weight: 600;
}

td {
  color: var(--text-muted);
}

/* FAQ */

.faq {
  display: grid;
  gap: var(--s-100);
  max-width: 800px;
  margin: 0 auto;
}

.faq details {
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  background: var(--surface);
}

.faq summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--s-200);
  padding: var(--s-200) var(--s-300);
  font-weight: 600;
  list-style: none;
  cursor: pointer;
  border-radius: var(--r-xl);
}

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

.faq summary i {
  flex: none;
  color: var(--text-muted);
  transition: transform 500ms var(--ease);
}

.faq details[open] summary i {
  transform: rotate(45deg);
}

.faq .answer {
  padding: 0 var(--s-300) var(--s-300);
  color: var(--text-muted);
}

.faq .answer p + p {
  margin-top: var(--s-100);
}

/* Final CTA */

.final {
  padding: var(--s-700) var(--s-300);
  border: 1px solid var(--line);
  border-radius: var(--r-3xl);
  background: var(--surface);
  text-align: center;
}

.final h2 {
  max-width: 680px;
  margin: 0 auto;
}

.final p {
  max-width: 680px;
  margin: var(--s-200) auto 0;
  color: var(--text-muted);
  font-size: 1.125rem;
  line-height: 1.75rem;
}

.final .hero-actions {
  margin-top: var(--s-400);
}

/* Footer */

footer {
  padding: var(--s-600) 0 var(--s-400);
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1.25rem;
}

.foot {
  display: grid;
  gap: var(--s-400);
}

@media (min-width: 768px) {
  .foot {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.foot h3 {
  margin-bottom: var(--s-100);
  color: var(--text);
  font-size: 0.875rem;
  line-height: 1.25rem;
}

.foot ul {
  display: grid;
  gap: var(--s-75);
  margin: 0;
  padding: 0;
  list-style: none;
}

.foot a {
  text-decoration: none;
  transition: color 300ms var(--ease);
}

.foot a:hover {
  color: var(--text);
  text-decoration: underline;
}

.foot .brand {
  margin-bottom: var(--s-100);
  color: var(--text);
}

.copyright {
  margin-top: var(--s-600);
  padding-top: var(--s-300);
  border-top: 1px solid var(--line);
}

/* Plain pages (404, privacy) */

.page {
  max-width: 680px;
  margin: 0 auto;
  padding: calc(var(--s-900) + var(--s-700)) var(--s-200) var(--s-800);
}

.page h1 {
  font-size: 2.25rem;
  line-height: 2.5rem;
  letter-spacing: -0.02em;
}

.page h2 {
  margin-top: var(--s-500);
  font-size: 1.5rem;
  line-height: 2rem;
}

.page p,
.page ul {
  margin-top: var(--s-200);
  color: var(--text-muted);
}

.page .hero-actions {
  justify-content: flex-start;
}

.lost {
  text-align: center;
}

.lost .big {
  font-size: 6rem;
  line-height: 1;
  font-weight: 600;
}

.lost .hero-actions {
  justify-content: center;
}

.lost-code {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--s-200);
  margin-bottom: var(--s-400);
}

.lost-face {
  width: 7.5rem;
  height: auto;
  overflow: visible;
}

.lost-face [class^="lost-"] {
  transform-box: fill-box;
}

.lost-sway {
  transform-origin: 50% 100%;
  animation: lost-sway 4.8s ease-in-out infinite;
}

.lost-ear-l {
  transform-origin: 100% 100%;
  animation: lost-ear 2.4s ease-in-out infinite;
}

.lost-ear-r {
  transform-origin: 0% 100%;
  animation: lost-ear 2.4s ease-in-out infinite reverse;
}

.lost-eye {
  transform-origin: 50% 50%;
  animation: lost-blink 4.8s infinite;
}

.lost-pupil {
  animation: lost-look 4.8s ease-in-out infinite;
}

.lost-brow {
  animation: lost-brow 4.8s ease-in-out infinite;
}

.lost-wink {
  animation: lost-wink 4.8s ease-in-out infinite;
}

.lost-stick {
  transform-origin: 50% 100%;
  animation: lost-stick 1.6s ease-in-out infinite;
}

.lost-ask {
  transform-origin: 50% 100%;
  animation: lost-ask 4.8s ease-in-out infinite;
}

@keyframes lost-sway {
  0%, 100% { transform: rotate(-5deg); }
  50% { transform: rotate(5deg); }
}

@keyframes lost-ear {
  0%, 100% { transform: rotate(0); }
  50% { transform: rotate(-8deg); }
}

@keyframes lost-blink {
  0%, 44%, 50%, 100% { transform: scaleY(1); }
  47% { transform: scaleY(0.1); }
}

@keyframes lost-look {
  0%, 12% { transform: translate(0, 0); }
  20%, 34% { transform: translate(-8px, -2px); }
  56%, 70% { transform: translate(5px, -4px); }
  80%, 100% { transform: translate(0, 0); }
}

@keyframes lost-brow {
  0%, 52%, 82%, 100% { transform: translateY(0); }
  60%, 74% { transform: translateY(-8px); }
}

@keyframes lost-wink {
  0%, 16%, 40%, 100% { transform: translateY(0); }
  22%, 34% { transform: translateY(-7px); }
}

@keyframes lost-stick {
  0%, 100% { transform: rotate(-9deg); }
  50% { transform: rotate(9deg); }
}

@keyframes lost-ask {
  0%, 50% { opacity: 0; transform: translateY(10px) scale(0.6); }
  60%, 84% { opacity: 1; transform: translateY(0) scale(1) rotate(10deg); }
  94%, 100% { opacity: 0; transform: translateY(-8px) scale(1); }
}

@media (max-width: 480px) {
  .lost .big {
    font-size: 4.5rem;
  }

  .lost-face {
    width: 5.5rem;
  }
}

/* Scroll reveal */

.reveal {
  opacity: 0;
  transform: translateY(var(--s-400));
  transition:
    opacity 700ms var(--ease),
    transform 700ms var(--ease);
}

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

.no-js .reveal {
  opacity: 1;
  transform: none;
}

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

  .lost-face * {
    animation: none !important;
  }

  .reveal,
  .menu li,
  .btn,
  .actions li {
    transform: none !important;
  }

  .reveal {
    transition: opacity 700ms var(--ease);
  }

  .menu-toggle span {
    transition: none;
  }
}

.sr {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

/* Support (donation) */

.support-section {
  padding-top: 0;
}

.support {
  display: grid;
  gap: var(--s-300);
  align-items: center;
  padding: var(--s-400);
}

@media (min-width: 900px) {
  .support {
    grid-template-columns: auto 1fr auto;
    gap: var(--s-400);
  }
}

.support + .support {
  margin-top: var(--s-300);
}

.support .benefit-icon {
  margin: 0;
}

.support h2 {
  font-size: 1.5rem;
  line-height: 2rem;
}

.support p {
  margin-top: var(--s-75);
  color: var(--text-muted);
}

.support .btn {
  justify-self: start;
}

/* Learning page */

.term {
  font-weight: 600;
  color: var(--text);
}

.learn-hero {
  padding: calc(var(--s-900) + var(--s-700)) 0 var(--s-600);
}

.learn-hero h1 {
  max-width: 680px;
  font-size: 2.25rem;
  line-height: 2.5rem;
  letter-spacing: -0.02em;
}

@media (min-width: 768px) {
  .learn-hero h1 {
    font-size: 3rem;
    line-height: 1;
  }
}

.learn-hero .sub {
  max-width: 680px;
  margin-top: var(--s-300);
  color: var(--text-muted);
  font-size: 1.125rem;
  line-height: 1.75rem;
}

.learn {
  display: grid;
  gap: var(--s-400);
  padding-bottom: var(--s-800);
}

@media (min-width: 900px) {
  .learn {
    grid-template-columns: 240px 1fr;
    gap: var(--s-700);
    align-items: start;
  }

  .toc {
    position: sticky;
    top: var(--s-900);
    max-height: calc(100vh - var(--s-900) - var(--s-300));
    overflow-y: auto;
  }

  .toc summary {
    pointer-events: none;
  }

  .toc summary i {
    display: none;
  }
}

.toc details {
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  background: var(--surface);
}

.toc summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--s-100) var(--s-200);
  font-size: 0.875rem;
  line-height: 1.25rem;
  font-weight: 600;
  list-style: none;
  cursor: pointer;
}

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

.toc summary i {
  transition: transform 500ms var(--ease);
}

.toc details[open] summary i {
  transform: rotate(180deg);
}

.toc ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.toc > details > ul {
  display: grid;
  gap: var(--s-100);
  padding: 0 var(--s-75) var(--s-100);
}

.toc a {
  display: block;
  padding: var(--s-50) var(--s-75);
  border-radius: var(--r-md);
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1.25rem;
  text-decoration: none;
  transition:
    color 300ms var(--ease),
    background-color 300ms var(--ease);
}

.toc a:hover,
.toc a[aria-current="true"] {
  color: var(--text);
  background: var(--surface-2);
}

.toc a.toc-group {
  color: var(--accent);
  font-weight: 600;
}

.learn-body {
  min-width: 0;
}

.learn-group + .learn-group {
  margin-top: var(--s-700);
}

.learn-group {
  padding: 0;
}

.learn-group h2 {
  padding-bottom: var(--s-200);
}

.learn-action {
  padding: var(--s-400) 0;
  border-top: 1px solid var(--line);
}

.learn-action h3 {
  display: flex;
  align-items: center;
  gap: var(--s-100);
  font-size: 1.5rem;
  line-height: 2rem;
}

.learn-action h3 i {
  color: var(--accent);
}

.learn-action p {
  max-width: 680px;
  margin-top: var(--s-200);
  color: var(--text-muted);
}

.learn-action p a {
  color: var(--accent);
}

.learn-action .ticks {
  max-width: 680px;
  color: var(--text-muted);
}

.learn-action .shot {
  max-width: 560px;
  margin: var(--s-300) 0 0;
}

/* Motion: sections with a visual load in when they scroll into view (rise and resolve from blur),
   then every visual acts out what it does on a loop (main.js). Only with JS and full motion. */

:root {
  --e: cubic-bezier(0.16, 1, 0.3, 1);
  --e2: cubic-bezier(0.33, 1, 0.68, 1);
  --io: cubic-bezier(0.65, 0, 0.35, 1);
}

.motion .anim [data-k] {
  transition:
    transform 1.05s var(--e) var(--d, 0s),
    opacity 0.75s var(--e2) var(--d, 0s),
    filter 0.75s var(--e2) var(--d, 0s);
}

.motion .anim [data-k="card"] {
  transition:
    transform 0.9s var(--e) var(--d, 0s),
    opacity 0.6s var(--e2) var(--d, 0s),
    filter 0.6s var(--e2) var(--d, 0s);
}

.motion .anim:not(.in) [data-k="card"] {
  opacity: 0;
  transform: translateY(24px) scale(0.985);
  filter: blur(6px);
}

.motion .anim:not(.in) [data-k="up"] {
  opacity: 0;
  transform: translateY(10px);
  filter: blur(4px);
}

.motion .anim:not(.in) [data-k="left"] {
  opacity: 0;
  transform: translateX(-10px);
  filter: blur(4px);
}

.motion .anim:not(.in) [data-k="pop"] {
  opacity: 0;
  transform: scale(0.85);
  filter: blur(4px);
}

/* A screenshot is the product: a skeleton in the app's own surface colour, then the picture
   resolves from blur to sharp. */
.stage {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-lg);
  background: #1b1d22;
  isolation: isolate;
}

.stage > img {
  border-radius: 0;
}

.ovs {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.motion .stage > img,
.motion .stage > .ovs {
  transition:
    filter 0.8s var(--e2) var(--d, 0s),
    opacity 0.8s var(--e2) var(--d, 0s);
}

.motion .anim:not(.in) .stage > img,
.motion .stage:not(.ready) > img,
.motion .anim:not(.in) .stage > .ovs,
.motion .stage:not(.ready) > .ovs {
  opacity: 0;
  filter: blur(14px) saturate(0.6);
}

.stage::before {
  content: "";
  position: absolute;
  inset: 0;
  width: 38%;
  background: rgba(255, 255, 255, 0.035);
  transform: translateX(-100%);
  pointer-events: none;
}

.motion .stage:not(.ready)::before {
  animation: glimmer 2.4s linear infinite;
}

@keyframes glimmer {
  to {
    transform: translateX(270%);
  }
}

/* Overlays drawn over a screenshot at its own pixel positions (main.js); at rest they equal
   the picture. --s is the screenshot's scale on screen. */
.ov {
  position: absolute;
  pointer-events: none;
}

.ov-track {
  background: #2a2d34;
  border-radius: calc(var(--s, 1) * 4px);
  overflow: hidden;
}

.ov-tick {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 1px;
  background: #535353;
}

.ov-half {
  position: absolute;
  top: 0;
  bottom: 0;
  background: #8cc82c;
}

.ov-dot {
  border-radius: 50%;
  background: #8cc82c;
  opacity: 0;
}

.ov-glow {
  border: 1px solid #6e9b29;
  background: rgba(140, 200, 44, 0.28);
  opacity: 0;
}

.ov-line {
  background: #8cc82c;
  transform-origin: top;
  transform: scaleY(0);
}

.ov-fill {
  background: rgba(140, 200, 44, 0.45);
  border-radius: calc(var(--s, 1) * 4px);
  transform-origin: left;
  transform: scaleX(0);
}

.ov-row {
  background: rgba(140, 200, 44, 0.12);
  border-radius: calc(var(--s, 1) * 4px);
  opacity: 0;
}

.ov-ring {
  border-radius: 50%;
  border: 2px solid currentColor;
  opacity: 0;
}

.ov-slider {
  background: #1b1d22;
}

.ov-slider .rail {
  position: absolute;
  left: 1.2%;
  right: 1.5%;
  top: 33.3%;
  height: 33.3%;
  background: #2b2b2b;
  border-radius: calc(var(--s, 1) * 4px);
}

.ov-slider .knob {
  position: absolute;
  top: 0;
  height: 100%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: #2b2b2b;
  box-shadow: inset 0 0 0 calc(var(--s, 1) * 1px) #525252;
}

.ov-bar {
  background: #0a0a0a;
  border-radius: calc(var(--s, 1) * 3px);
  overflow: hidden;
}

.ov-bar i {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 100%;
  border-radius: calc(var(--s, 1) * 3px);
  transform-origin: bottom;
}

.ov-cell {
  background: #8cc82c;
  border-radius: calc(var(--s, 1) * 4px);
  opacity: 0;
}

/* Page level stories (comparison rows, the action grid). */
.tool-list li,
.actions li,
.motion .anim li[data-k] {
  transition:
    background-color 300ms var(--ease),
    border-color 300ms var(--ease),
    box-shadow 300ms var(--ease),
    transform 1.05s var(--e) var(--d, 0s),
    opacity 0.75s var(--e2) var(--d, 0s),
    filter 0.75s var(--e2) var(--d, 0s);
}

.tool-list li.lit {
  background: color-mix(in srgb, var(--accent) 16%, var(--surface-2));
  box-shadow: inset 0 0 0 1px var(--accent);
}

.tool-list li.dim {
  opacity: 0.45;
}

.tool-list i {
  transition: transform 500ms var(--ease);
}

.tool-list li.lit i {
  transform: scale(1.15);
}

.actions li.lit {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, var(--surface));
}

.arrow i {
  position: relative;
}

.arrow .pulse {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  opacity: 0;
  pointer-events: none;
}

.arrow {
  position: relative;
}

.still *,
.still *::before {
  transition: none !important;
  animation: none !important;
}

/* Emulation page */

.numbered {
  display: grid;
  gap: var(--s-100);
  max-width: 680px;
  margin: var(--s-200) 0 0;
  padding: 0;
  list-style: none;
  counter-reset: n;
  color: var(--text-muted);
}

.numbered li {
  position: relative;
  padding-left: var(--s-500);
  counter-increment: n;
}

.numbered li::before {
  content: counter(n);
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: var(--r-full);
  background: var(--surface-2);
  color: var(--accent);
  font-size: 0.75rem;
  line-height: 1rem;
  font-weight: 600;
}

.numbered a,
.learn-action .ticks a {
  color: var(--accent);
}

.trouble {
  display: grid;
  gap: var(--s-75);
  max-width: 680px;
  margin: var(--s-200) 0 0;
}

.trouble dt {
  margin-top: var(--s-200);
  font-weight: 600;
}

.trouble dt:first-child {
  margin-top: 0;
}

.trouble dd {
  margin: 0;
  color: var(--text-muted);
}

.diagram {
  margin: var(--s-400) 0 0;
  padding: var(--s-300);
  border: 1px solid var(--line);
  border-radius: var(--r-2xl);
  background: var(--surface);
}

.diagram svg {
  display: block;
  width: 100%;
  height: auto;
  font-family: "Geist", system-ui, sans-serif;
  overflow: visible;
}

.diagram-tall {
  max-width: 360px;
  margin: 0 auto;
}

@media (min-width: 640px) {
  .diagram-tall {
    display: none !important;
  }
}

@media (max-width: 639px) {
  .diagram-wide {
    display: none !important;
  }

  .diagram {
    padding: var(--s-200);
  }
}

.diagram figcaption {
  margin-top: var(--s-200);
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1.25rem;
  text-align: center;
  text-wrap: pretty;
}

.diagram .node rect {
  fill: var(--surface-2);
  stroke: var(--line);
  stroke-width: 1.5;
}

.diagram .node.app rect {
  fill: color-mix(in srgb, var(--accent) 14%, var(--surface-2));
  stroke: var(--accent);
}

.diagram .node.virt rect {
  stroke: color-mix(in srgb, var(--accent) 55%, var(--line));
}

.diagram text {
  fill: var(--text);
  font-size: 16px;
  font-weight: 600;
}

.diagram text.strong {
  font-size: 18px;
}

.diagram text.sub {
  fill: var(--text-muted);
  font-size: 13px;
  font-weight: 400;
}

.diagram text.note {
  fill: #e5484d;
  font-size: 13px;
  font-weight: 500;
}

.diagram .wire {
  fill: none;
  stroke: color-mix(in srgb, var(--accent) 60%, var(--line));
  stroke-width: 2;
}

.diagram .wire.blocked {
  stroke: #e5484d;
  stroke-opacity: 0.55;
  stroke-dasharray: 6 6;
}

.diagram .arrowhead {
  fill: color-mix(in srgb, var(--accent) 60%, var(--line));
}

.diagram .barrier path {
  stroke: #e5484d;
  stroke-width: 4;
  stroke-linecap: round;
  fill: none;
}

.diagram .barrier .cross {
  stroke-width: 3;
}

.diagram .pulse {
  fill: var(--accent);
  opacity: 0;
}

.diagram .pulse.stopped {
  fill: #e5484d;
}