@import url("https://fonts.googleapis.com/css2?family=Atkinson+Hyperlegible:ital,wght@0,400;0,700;1,400;1,700&family=Bricolage+Grotesque:opsz,wght@12..96,200..800&display=swap");

:root {
  --font-atkinson: "Atkinson Hyperlegible", sans-serif;
  --font-bricolage: "Bricolage Grotesque", sans-serif;
  --paper: oklch(0.972 0.018 88);
  --paper-warm: oklch(0.94 0.024 88);
  --surface: oklch(0.99 0.01 90);
  --surface-strong: oklch(0.985 0.014 92);
  --ink: oklch(0.18 0.025 150);
  --muted: oklch(0.43 0.024 138);
  --line: oklch(0.86 0.025 96);
  --line-strong: oklch(0.78 0.038 96);
  --accent: oklch(0.43 0.105 151);
  --accent-dark: oklch(0.34 0.09 151);
  --accent-soft: oklch(0.83 0.105 143);
  --accent-ink: oklch(0.98 0.012 95);
  --warning: oklch(0.94 0.045 62);
  --warning-line: oklch(0.79 0.07 57);
  --warning-ink: oklch(0.31 0.052 48);
  --background: var(--paper);
  --foreground: var(--ink);
  --container-max: 80rem;
  --radius-sm: 1.5rem;
  --radius-md: 1.75rem;
  --radius-lg: 2rem;
}

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

html {
  height: 100%;
  scroll-behavior: smooth;
}

body {
  min-height: 100%;
  margin: 0;
  display: flex;
  flex-direction: column;
  background: var(--background);
  color: var(--foreground);
  font-family: var(--font-atkinson), sans-serif;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

a {
  text-underline-offset: 0.2em;
  color: inherit;
}

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

main {
  flex: 1;
}

.font-display {
  font-family: var(--font-bricolage), sans-serif;
}

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

/* Layout */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 1rem;
}

@media (min-width: 640px) {
  .container {
    padding-inline: 1.5rem;
  }
}

@media (min-width: 1024px) {
  .container {
    padding-inline: 2rem;
  }
}

.container--narrow {
  max-width: 56rem;
}

.container--prose {
  max-width: 48rem;
}

.section {
  padding-block: 4rem;
}

@media (min-width: 1024px) {
  .section {
    padding-block: 5rem;
  }
}

.section--lg {
  padding-block: 4rem;
}

@media (min-width: 1024px) {
  .section--lg {
    padding-block: 6rem;
  }
}

.section--surface {
  background: var(--surface-strong);
}

.section--pb {
  padding-bottom: 5rem;
}

.grid-2 {
  display: grid;
  gap: 2.5rem;
}

.grid-3 {
  display: grid;
  gap: 1.5rem;
}

.grid-4 {
  display: grid;
  gap: 1.25rem;
}

.grid-cards {
  display: grid;
  gap: 1rem;
}

.flex-row {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.flex-between {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .flex-row {
    flex-direction: row;
  }
}

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

  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid-2 {
    grid-template-columns: 0.8fr 1.2fr;
    align-items: start;
  }

  .grid-2--reverse {
    grid-template-columns: 1fr 0.8fr;
  }

  .grid-2--equal {
    grid-template-columns: 1fr 1fr;
  }

  .grid-2--hero {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
  }

  .grid-2--page-hero {
    grid-template-columns: 0.95fr 0.45fr;
    align-items: end;
  }

  .grid-2--faq {
    grid-template-columns: 0.7fr 1fr;
  }

  .grid-2--notice {
    grid-template-columns: 1fr 0.8fr;
  }

  .grid-2--download {
    grid-template-columns: 0.9fr 1.1fr;
  }

  .grid-2--split {
    grid-template-columns: 1fr 0.85fr;
  }

  .grid-2--apk {
    grid-template-columns: 0.85fr 1fr;
  }

  .grid-2--compare {
    grid-template-columns: 1.1fr 0.9fr;
  }

  .grid-3--links {
    grid-template-columns: repeat(3, 1fr);
  }

  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }

  .flex-between {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.stack--sm {
  gap: 0.75rem;
}

.stack--lg {
  gap: 2.5rem;
}

/* Typography */
.eyebrow {
  display: inline-flex;
  min-height: 2rem;
  align-items: center;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: color-mix(in oklch, var(--surface) 82%, transparent);
  padding: 0.35rem 0.75rem;
  color: var(--accent-dark);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.eyebrow--dark {
  border-color: color-mix(in oklch, var(--paper) 22%, transparent);
  background: transparent;
  color: var(--accent-soft);
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-bricolage), sans-serif;
  color: var(--ink);
  margin: 0;
}

.page-title {
  margin-top: 1.25rem;
  max-width: 56rem;
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 650;
  line-height: 0.96;
  letter-spacing: -0.04em;
}

.hero-title {
  margin-top: 1.25rem;
  max-width: 56rem;
  font-size: clamp(2.25rem, 6vw, 4.5rem);
  font-weight: 650;
  line-height: 0.94;
  letter-spacing: -0.045em;
}

.section-title {
  margin-top: 1.25rem;
  max-width: 48rem;
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: 650;
  line-height: 1;
  letter-spacing: -0.04em;
}

.card-title {
  font-size: 1.5rem;
  font-weight: 650;
  letter-spacing: -0.025em;
}

.card-title--lg {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
}

.lead {
  max-width: 42rem;
  font-size: 1.125rem;
  line-height: 1.75;
  color: var(--muted);
}

.intro {
  max-width: 42rem;
  font-size: 1.125rem;
  line-height: 2;
  color: var(--muted);
}

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

.text-sm {
  font-size: 0.875rem;
  line-height: 1.75;
}

.text-xs {
  font-size: 0.75rem;
  line-height: 1.5;
}

.dates {
  margin-top: 1rem;
  font-size: 0.75rem;
  color: var(--muted);
}

.link {
  font-weight: 500;
  color: var(--accent-dark);
  text-decoration: underline;
  text-decoration-color: var(--accent-soft);
  text-decoration-thickness: 2px;
  text-underline-offset: 0.25em;
}

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

.prose p {
  max-width: 72ch;
  color: var(--muted);
  line-height: 1.85;
  margin: 0;
}

.prose p + p {
  margin-top: 1rem;
}

.prose h2 {
  max-width: 780px;
  font-family: var(--font-bricolage), sans-serif;
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 650;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--ink);
}

.prose h3 {
  font-family: var(--font-bricolage), sans-serif;
  font-size: 1.35rem;
  font-weight: 650;
  letter-spacing: -0.025em;
  color: var(--ink);
}

.prose ul {
  margin: 1rem 0 0;
  padding-left: 1.25rem;
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.75;
}

.prose ul li + li {
  margin-top: 0.5rem;
}

.prose strong {
  color: var(--ink);
}

.prose--spaced > * + * {
  margin-top: 2.5rem;
}

.prose--spaced h2 + p {
  margin-top: 1.5rem;
}

.author-byline {
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--muted);
}

.author-byline strong {
  font-weight: 600;
  color: var(--ink);
}

/* Decorative */
.pitch-lines {
  background-image:
    linear-gradient(90deg, color-mix(in oklch, var(--accent) 14%, transparent) 1px, transparent 1px),
    linear-gradient(color-mix(in oklch, var(--accent) 10%, transparent) 1px, transparent 1px);
  background-size: 38px 38px;
}

/* Buttons */
.btn {
  display: inline-flex;
  min-height: 2.75rem;
  min-width: 13rem;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  border-radius: 999px;
  padding: 0.75rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform 0.3s cubic-bezier(0.32, 0.72, 0, 1), background 0.2s, box-shadow 0.2s;
}

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

.btn--primary {
  background: var(--accent);
  color: var(--accent-ink);
  box-shadow: 0 18px 40px -28px var(--accent);
}

.btn--primary:hover {
  transform: translateY(-2px);
}

.btn--secondary {
  background: var(--surface-strong);
  color: var(--ink);
  box-shadow: inset 0 0 0 1px var(--line-strong);
  min-width: auto;
}

.btn--secondary:hover {
  transform: translateY(-2px);
}

.btn--quiet {
  background: transparent;
  color: var(--accent-dark);
  min-width: auto;
  text-decoration: underline;
  text-decoration-color: var(--accent-soft);
  text-decoration-thickness: 2px;
  text-underline-offset: 0.25em;
}

.btn__icon {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  background: color-mix(in oklch, var(--accent-ink) 14%, transparent);
  transition: transform 0.3s cubic-bezier(0.32, 0.72, 0, 1);
}

.btn:hover .btn__icon {
  transform: translateX(4px);
}

.btn--secondary .btn__icon {
  background: color-mix(in oklch, var(--ink) 8%, transparent);
}

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

/* Cards */
.card {
  border-radius: var(--radius-md);
  background: var(--surface);
  padding: 1.25rem;
  box-shadow: inset 0 0 0 1px var(--line);
}

.card--lg {
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.card--paper {
  background: var(--paper);
}

.card--accent {
  background: var(--accent);
  color: var(--accent-ink);
  box-shadow: none;
}

.card--dark {
  background: var(--ink);
  color: var(--paper);
  box-shadow: none;
}

.card--link {
  text-decoration: none;
  transition: transform 0.3s, box-shadow 0.3s;
}

.card--link:hover {
  transform: translateY(-4px);
  box-shadow: inset 0 0 0 1px var(--accent-soft);
}

.card--media {
  border-radius: var(--radius-lg);
  background: color-mix(in oklch, var(--accent) 8%, var(--surface));
  padding: 0.5rem;
  box-shadow: 0 28px 80px -60px var(--accent), inset 0 0 0 1px var(--line);
}

.card--media-inner {
  border-radius: calc(var(--radius-lg) - 0.5rem);
  background: var(--surface);
  padding: 1.25rem;
}

@media (min-width: 640px) {
  .card--media-inner {
    padding: 1.75rem;
  }
}

.card-grid {
  display: grid;
  gap: 0.75rem;
}

@media (min-width: 640px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Notices */
.notice {
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.75;
  padding: 1.25rem;
}

.notice--compact {
  padding: 0.75rem 1rem;
}

.notice strong {
  font-weight: 600;
  color: var(--ink);
}

.notice--warning {
  border-color: var(--warning-line);
  background: var(--warning);
  color: var(--warning-ink);
}

/* FAQ */
.faq {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq details {
  border-radius: var(--radius-sm);
  background: var(--surface);
  padding: 1.25rem;
  box-shadow: inset 0 0 0 1px var(--line);
}

.faq details[open] summary {
  margin-bottom: 0.75rem;
}

.faq summary {
  cursor: pointer;
  font-family: var(--font-bricolage), sans-serif;
  font-size: 1.25rem;
  font-weight: 650;
  letter-spacing: -0.02em;
  list-style: none;
}

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

.faq p {
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--muted);
  margin: 0;
}

.faq--paper details {
  background: var(--paper);
}

/* Table */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-md);
  box-shadow: inset 0 0 0 1px var(--line);
}

.table-wrap table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.875rem;
}

.table-wrap thead tr {
  background: var(--surface-strong);
}

.table-wrap th,
.table-wrap td {
  padding: 1rem;
}

.table-wrap th {
  font-family: var(--font-bricolage), sans-serif;
  font-size: 1rem;
  font-weight: 650;
  color: var(--ink);
}

.table-wrap td {
  line-height: 1.75;
  color: var(--muted);
}

.table-wrap tbody {
  background: var(--surface);
}

.table-wrap tbody tr + tr {
  border-top: 1px solid var(--line);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: color-mix(in oklch, var(--paper) 88%, transparent);
  backdrop-filter: blur(24px);
}

.site-header__inner {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding-block: 0.75rem;
}

.site-header__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-header__brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 2.75rem;
  text-decoration: none;
  font-family: var(--font-bricolage), sans-serif;
}

.site-header__logo {
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 999px;
  background: var(--ink);
  color: var(--paper);
}

.site-header__logo svg {
  width: 1.25rem;
  height: 1.25rem;
}

.site-header__name {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.site-header__tagline {
  display: block;
  font-size: 0.75rem;
  color: var(--muted);
}

.site-header__cta {
  display: none;
}

.site-nav {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.25rem;
}

.site-nav a {
  flex-shrink: 0;
  min-height: 2.75rem;
  border-radius: 999px;
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}

.site-nav a:hover {
  background: var(--surface);
  color: var(--ink);
}

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

@media (min-width: 640px) {
  .site-header__cta {
    display: block;
  }
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--ink);
  color: var(--paper);
}

.site-footer a {
  color: inherit;
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--accent-soft);
}

.site-footer__inner {
  display: grid;
  gap: 2.5rem;
  padding-block: 3rem;
}

.site-footer__title {
  font-family: var(--font-bricolage), sans-serif;
  font-size: 1.5rem;
  font-weight: 650;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
}

.site-footer__desc {
  max-width: 42rem;
  font-size: 0.875rem;
  line-height: 1.75;
  color: color-mix(in oklch, var(--paper) 76%, transparent);
  margin: 0 0 1rem;
}

.site-footer__disclaimer {
  max-width: 48rem;
  font-size: 0.75rem;
  line-height: 1.5;
  color: color-mix(in oklch, var(--paper) 62%, transparent);
  margin: 0 0 1rem;
}

.site-footer__contact {
  font-size: 0.75rem;
  color: color-mix(in oklch, var(--paper) 56%, transparent);
  margin: 0;
}

.site-footer__contact a {
  text-decoration: underline;
  text-decoration-color: color-mix(in oklch, var(--paper) 36%, transparent);
  text-underline-offset: 2px;
}

.site-footer__cols {
  display: grid;
  gap: 1.5rem;
}

.site-footer__label {
  margin: 0 0 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: color-mix(in oklch, var(--paper) 56%, transparent);
}

.site-footer__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer__list li + li {
  margin-top: 0.5rem;
}

.site-footer__list a {
  font-size: 0.875rem;
}

@media (min-width: 640px) {
  .site-footer__cols {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .site-footer__inner {
    grid-template-columns: 1.4fr 1fr;
  }
}

/* Hero */
.hero {
  padding-block: 3rem;
}

@media (min-width: 1024px) {
  .hero {
    padding-block: 5rem;
  }
}

.hero__image {
  border-radius: 1.5rem;
  width: 100%;
}

/* Page hero (inner pages) */
.page-hero {
  padding-top: 2.5rem;
  padding-bottom: 3rem;
}

@media (min-width: 1024px) {
  .page-hero {
    padding-top: 3.5rem;
    padding-bottom: 4rem;
  }
}

/* Breadcrumbs */
.breadcrumbs {
  margin-bottom: 2rem;
  font-size: 0.875rem;
  color: var(--muted);
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.breadcrumbs li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

.breadcrumbs a:hover {
  color: var(--accent-dark);
}

.breadcrumbs [aria-current="page"] {
  color: var(--ink);
}

/* CTA banner */
.cta-banner {
  border-radius: var(--radius-lg);
  background: var(--ink);
  color: var(--paper);
  padding: 1.5rem;
}

@media (min-width: 640px) {
  .cta-banner {
    padding: 2.5rem;
  }
}

.cta-banner__title {
  font-family: var(--font-bricolage), sans-serif;
  font-size: 1.875rem;
  font-weight: 650;
  letter-spacing: -0.02em;
  margin: 0;
}

.cta-banner__text {
  margin: 0.75rem 0 0;
  max-width: 42rem;
  font-size: 0.875rem;
  line-height: 1.75;
  color: color-mix(in oklch, var(--paper) 72%, transparent);
}

.cta-banner .btn--secondary {
  background: var(--surface-strong);
}

.cta-banner__action {
  margin-top: 1.5rem;
}

@media (min-width: 1024px) {
  .cta-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
  }

  .cta-banner__action {
    margin-top: 0;
    flex-shrink: 0;
  }
}

/* Checklist */
.checklist {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
}

.checklist li + li {
  margin-top: 1rem;
}

.checklist li {
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--muted);
}

/* 404 */
.not-found {
  display: grid;
  place-items: center;
  min-height: 70dvh;
  padding-block: 5rem;
  text-align: center;
}

.not-found__title {
  margin-top: 1.25rem;
  font-size: clamp(2.5rem, 5vw, 3rem);
  font-weight: 650;
  letter-spacing: -0.04em;
}

.not-found__text {
  margin-top: 1.25rem;
  font-size: 1.125rem;
  line-height: 2;
  color: var(--muted);
}

.not-found__actions {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.75rem;
}

@media (min-width: 640px) {
  .not-found__actions {
    flex-direction: row;
  }
}

/* Dark card text */
.dark-card__text {
  color: color-mix(in oklch, var(--paper) 76%, transparent);
}

.dark-card__text--soft {
  color: color-mix(in oklch, var(--paper) 74%, transparent);
}

/* Utility */
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mb-0 { margin-bottom: 0; }
.text-center { text-align: center; }
.w-full { width: 100%; }

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}