:root {
  color-scheme: dark;
  --bg: #061A33;
  --section: #08213D;
  --card: #0A2949;
  --deep: #020E20;
  --text: #F4F8FF;
  --muted: #B9C9D9;
  --accent: #00DDF5;
  --accent-strong: #0878F9;
  --line: rgba(0, 221, 245, 0.25);
  --shadow: rgba(0, 0, 0, 0.34);
  --max: 1120px;
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #F3F7FB;
  --section: #FFFFFF;
  --card: #E7F0F7;
  --deep: #D9E8F2;
  --text: #0B1D2E;
  --muted: #34495E;
  --accent: #005F73;
  --accent-strong: #0878F9;
  --line: #B8CFDD;
  --shadow: rgba(11, 29, 46, 0.12);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.65;
}

a { color: inherit; }

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

img { max-width: 100%; }

.site-banner {
  width: min(100%, var(--max));
  margin: 0 auto;
  background: var(--deep);
}

.site-banner img {
  display: block;
  width: 100%;
  height: auto;
}

.transition-nav {
  width: min(100%, var(--max));
  margin: 0 auto;
  background: linear-gradient(180deg, #010C22 0%, #021731 38%, #032044 70%, #061A33 100%);
}

:root[data-theme="light"] .transition-nav {
  background: linear-gradient(180deg, #D6E7F2 0%, #DEEAF3 38%, #E7F0F7 70%, var(--bg) 100%);
}

.skip-link {
  position: absolute;
  top: 8px;
  left: 8px;
  z-index: 10;
  padding: 10px 14px;
  border-radius: 6px;
  background: var(--text);
  color: var(--bg);
  font-weight: 800;
  text-decoration: none;
  transform: translateY(-160%);
}

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

.nav-inner {
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: 16px 20px 34px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  align-items: center;
}

.primary-nav {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
  padding-bottom: 2px;
}

.primary-nav a,
.control-link,
.theme-toggle,
.menu-toggle {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 13px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(244, 248, 255, 0.06);
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  white-space: nowrap;
}

.primary-nav a[aria-current="page"] {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(0, 221, 245, 0.1);
}

.controls {
  display: flex;
  gap: 8px;
  align-items: center;
}

.theme-toggle {
  cursor: pointer;
  font: inherit;
}

.menu-toggle {
  display: none;
  cursor: pointer;
  font: inherit;
}

main {
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: 42px 20px 56px;
}

.hero {
  display: grid;
  gap: 24px;
  padding: 6px 0 34px;
}

.eyebrow,
.kicker {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.15;
  letter-spacing: 0;
}

h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.55rem, 3vw, 2.3rem); }
h3 { font-size: 1.08rem; }

.lead {
  max-width: 760px;
  margin: 0;
  color: var(--muted);
  font-size: 1.12rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: 100%;
}

.hero-actions .hero-google-play {
  margin: 0;
  padding: 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 11px 16px;
  border-radius: 6px;
  border: 1px solid var(--line);
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
}

.button.primary {
  border-color: transparent;
  background: var(--accent-strong);
  color: #F4F8FF;
}

.google-play-badge-shell {
  display: flex;
  width: fit-content;
  margin: 18px auto 0;
  padding: 18px;
}

.google-play-badge {
  display: block;
  width: 190px;
  max-width: 100%;
  height: auto;
}

.release-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-bottom: 28px;
}

.release-action {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 0;
  text-align: center;
}

.release-action > p {
  width: min(100%, 42rem);
  margin-inline: auto;
}

.release-action .google-play-badge-shell {
  align-self: center;
  justify-self: center;
  margin: 24px 0;
  padding: 0;
}

.release-test-actions {
  justify-content: center;
  margin: 24px 0;
  padding: 0;
}

.release-note {
  margin: 0 auto;
  max-width: 42rem;
  font-size: 0.94rem;
}

@media (min-width: 761px) {
  @supports (grid-template-rows: subgrid) {
    .release-actions {
      grid-template-rows: auto auto auto auto;
    }

    .release-action {
      display: grid;
      grid-row: span 4;
      grid-template-rows: subgrid;
      align-items: center;
    }
  }
}

.contact-form {
  display: grid;
  gap: 18px;
  margin-top: 28px;
}

.form-field {
  display: grid;
  gap: 6px;
}

.form-field label { font-weight: 800; }

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--section);
  color: var(--text);
  font: inherit;
}

.form-field input,
.form-field select { min-height: 46px; padding: 9px 12px; }

.form-field textarea {
  min-height: 160px;
  padding: 12px;
  resize: vertical;
}

.form-hint,
.field-error,
.form-status {
  color: var(--muted);
  font-size: 0.9rem;
}

.field-error { color: #FFB4AB; }

:root[data-theme="light"] .field-error { color: #9F1D20; }

.form-status { margin-top: 0; }

.form-actions { display: flex; }

.form-actions .button[disabled] {
  cursor: not-allowed;
  opacity: 0.68;
}

.confirmation-panel {
  display: grid;
  justify-items: center;
  gap: 18px;
  text-align: center;
}

.confirmation-panel .lead {
  margin: 0 auto;
}

.confirmation-actions {
  justify-content: center;
}

.contact-honeypot {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 26px 0 36px;
}

.card,
.content-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
  box-shadow: 0 18px 46px var(--shadow);
}

.card { padding: 20px; }

.card p,
.content-panel p,
.content-panel li {
  color: var(--muted);
}

.card p,
.content-panel p { margin: 8px 0 0; }

.content-panel {
  padding: clamp(22px, 4vw, 42px);
  margin-bottom: 28px;
}

.content-panel h2 + p { margin-top: 10px; }

.content-panel .policy-heading {
  margin-top: 28px;
  font-size: 1.08rem;
}

.content-panel ul { padding-left: 1.2rem; }

.note {
  margin-top: 24px;
  padding: 16px;
  border-left: 3px solid var(--accent);
  background: var(--section);
  color: var(--muted);
}

.analysis-main {
  width: min(100%, var(--max));
}

.analysis-header {
  padding-bottom: 34px;
  border-bottom: 1px solid var(--line);
}

.analysis-header h1 {
  max-width: 900px;
}

.analysis-header .lead {
  margin-top: 20px;
}

.analysis-article {
  max-width: 880px;
  margin: 0;
}

.article-section {
  padding: 42px 0;
  border-bottom: 1px solid var(--line);
}

.article-section h2 {
  margin-bottom: 18px;
}

.article-section h3 {
  margin: 30px 0 10px;
}

.article-section p,
.article-section li,
.conclusion p {
  color: var(--muted);
}

.article-section p {
  margin: 14px 0 0;
}

.article-section ul {
  padding-left: 1.25rem;
}

.range-example {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 24px 0;
}

.range-example div,
.key-stat,
.journey-step {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
}

.range-example div {
  padding: 18px;
}

.range-example dt {
  color: var(--muted);
  font-size: 0.86rem;
}

.range-example dd {
  margin: 6px 0 0;
  color: var(--text);
  font-size: 1.16rem;
  font-weight: 800;
}

.key-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 28px 0;
}

.key-stat {
  padding: 20px;
}

.key-stat strong {
  display: block;
  color: var(--accent);
  font-size: clamp(1.65rem, 4vw, 2.35rem);
  line-height: 1.1;
}

.key-stat span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
}

.number-journey {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 26px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.journey-step {
  position: relative;
  min-width: 0;
  padding: 18px 12px;
}

.journey-step:not(:last-child)::after {
  position: absolute;
  top: 50%;
  left: calc(100% + 8px);
  color: var(--accent);
  content: ">";
  font-size: 1.35rem;
  font-weight: 800;
  transform: translateY(-50%);
}

.journey-step strong {
  display: block;
  overflow-wrap: anywhere;
  color: var(--text);
  font-size: 1.18rem;
  line-height: 1.1;
}

.journey-step span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.35;
}

.table-scroll {
  max-width: 100%;
  margin-top: 24px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.analysis-table {
  width: 100%;
  min-width: 42rem;
  border-collapse: collapse;
  background: var(--section);
}

.analysis-table caption {
  padding: 16px;
  color: var(--text);
  font-weight: 800;
  text-align: left;
}

.analysis-table th,
.analysis-table td {
  padding: 13px 16px;
  border-top: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.analysis-table th {
  color: var(--text);
}

.analysis-table td {
  color: var(--muted);
}

.analysis-table th:last-child,
.analysis-table td:last-child {
  width: 8rem;
  text-align: right;
  white-space: nowrap;
}

.analysis-table tfoot th,
.analysis-table tfoot td {
  color: var(--text);
  font-weight: 800;
}

.conclusion {
  margin-top: 42px;
  padding: clamp(24px, 5vw, 42px);
  border: 1px solid var(--accent);
  border-radius: 8px;
  background: var(--deep);
}

.conclusion h2 {
  margin-bottom: 16px;
}

.site-footer {
  width: min(100%, var(--max));
  margin: 0 auto;
  border-top: 1px solid var(--line);
  background: var(--deep);
}

.footer-inner {
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: 24px 20px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 0.95rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-links a { text-decoration: none; }

@media (max-width: 900px) {
  .nav-inner {
    grid-template-columns: 1fr;
    grid-template-areas:
      "menu"
      "navigation"
      "controls";
    padding: 12px 14px 34px;
  }

  .menu-toggle {
    grid-area: menu;
    display: inline-flex;
    width: 100%;
    box-sizing: border-box;
    justify-self: stretch;
  }

  .primary-nav {
    grid-area: navigation;
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    overflow-x: visible;
    scrollbar-width: none;
    padding-bottom: 0;
  }

  .primary-nav.is-open { display: flex; }

  .primary-nav a {
    width: 100%;
    justify-content: flex-start;
  }

  .controls {
    grid-area: controls;
    display: none;
    justify-content: flex-start;
  }

  .nav-inner.menu-open .controls { display: flex; }

  .number-journey {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .journey-step:not(:last-child)::after {
    top: calc(100% + 5px);
    left: 50%;
    transform: translateX(-50%) rotate(90deg);
  }
}

@media (max-width: 760px) {
  main { padding: 30px 14px 42px; }

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

  .hero-actions {
    flex-direction: column;
    align-items: center;
    gap: 14px;
  }

  .release-actions { grid-template-columns: 1fr; }

  .primary-nav a,
  .control-link,
  .theme-toggle,
  .menu-toggle { padding-inline: 11px; }

  .range-example,
  .key-stats { grid-template-columns: 1fr; }

  .table-scroll { overflow-x: visible; }

  .analysis-table {
    min-width: 0;
    table-layout: fixed;
  }

  .analysis-table th,
  .analysis-table td {
    padding: 11px 12px;
    overflow-wrap: anywhere;
  }

  .analysis-table th:last-child,
  .analysis-table td:last-child { width: 5.75rem; }

  .footer-inner {
    justify-content: center;
    text-align: center;
  }

  .footer-links { justify-content: center; }
}

@media (max-width: 360px) {
  .article-section { padding-block: 34px; }

  .range-example dd { font-size: 1rem; }
}

@media print {
  :root {
    color-scheme: light;
    --bg: #FFFFFF;
    --section: #FFFFFF;
    --card: #FFFFFF;
    --deep: #FFFFFF;
    --text: #111111;
    --muted: #444444;
    --accent: #111111;
    --line: #999999;
    --shadow: transparent;
  }

  .transition-nav,
  .site-footer { display: none; }

  main { width: 100%; padding: 12mm 0; }

  .content-panel,
  .card { border: 0; box-shadow: none; }
}