:root {
  color-scheme: dark;
  --background: #121318;
  --text: #e4e1e9;
  --muted: #adaab7;
  --accent: #bac3ff;
  --line: #363640;
  --paper: #e4e1e9;
  --ink: #23242e;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

* {
  box-sizing: border-box;
}

html {
  scroll-padding-top: 2rem;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-size: 1rem;
  line-height: 1.65;
}

body, h1, h2, h3, p, figure, dl, dd {
  margin: 0;
}

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

a {
  color: inherit;
  text-underline-offset: 0.25em;
}

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

a:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 6px;
  border-radius: 2px;
}

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

.page-width {
  width: min(100% - 7rem, 80rem);
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  z-index: 2;
  top: 1rem;
  left: 1rem;
  padding: 0.7rem 1rem;
  transform: translateY(-200%);
  background: var(--accent);
  color: var(--background);
  font-weight: 600;
}

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

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  min-height: 7rem;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
  font-size: 1.55rem;
  font-weight: 650;
  letter-spacing: -0.055em;
  text-decoration: none;
}

.brand img {
  flex-shrink: 0;
}

.site-header nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2.5rem;
  font-size: 0.9rem;
}

.site-header nav a {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  min-height: 2.75rem;
  text-decoration: none;
}

.hero {
  padding-top: 5.5rem;
}

.eyebrow {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.14em;
  line-height: 1.5;
  text-transform: uppercase;
}

.hero-layout {
  display: grid;
  grid-template-columns: 1.7fr 1fr;
  align-items: end;
  gap: 4rem;
  margin-top: 1.75rem;
}

h1, h2, h3 {
  font-weight: 500;
}

h1 {
  font-size: clamp(3.4rem, 7.1vw, 6.6rem);
  letter-spacing: -0.065em;
  line-height: 1.04;
}

h1 span {
  color: var(--accent);
}

.hero-intro {
  max-width: 23rem;
  padding-bottom: 0.2rem;
}

.hero-intro > p:first-child {
  font-size: 1.08rem;
  line-height: 1.7;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 2.25rem;
  min-height: 3.5rem;
  max-width: 100%;
  padding: 0.85rem 1.2rem;
  border: 1px solid var(--accent);
  border-radius: 4px;
  background: var(--accent);
  color: #242b52;
  font-size: 0.96rem;
  font-weight: 650;
  line-height: 1.4;
  text-decoration: none;
}

.button:hover {
  border-color: #d1d7ff;
  background: #d1d7ff;
  color: #242b52;
}

.button span {
  font-size: 1.3rem;
  font-weight: 400;
}

.hero-intro .button {
  margin-top: 1.7rem;
}

.support-note {
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.6;
}

.hero-footnote {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 4.5rem;
  margin-bottom: 1rem;
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.02em;
}

.product-section {
  padding-bottom: 7rem;
}

.product-figure img,
.backup-figure img {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 5px;
}

figcaption {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.73rem;
  letter-spacing: 0.02em;
  line-height: 1.5;
}

.section-intro {
  display: grid;
  grid-template-columns: 1fr 1.6fr 1.1fr;
  align-items: start;
  gap: 3rem;
  margin-top: 7rem;
}

.section-intro > .eyebrow {
  padding-top: 0.6rem;
}

h2 {
  font-size: clamp(2.3rem, 3.5vw, 3.35rem);
  letter-spacing: -0.05em;
  line-height: 1.13;
}

.section-intro > p:last-child {
  max-width: 22rem;
  color: var(--muted);
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 3rem;
  margin-top: 3.5rem;
}

.feature-list article {
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.feature-number {
  display: block;
  margin-bottom: 1.3rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-variant-numeric: tabular-nums;
}

h3 {
  font-size: 1.2rem;
  letter-spacing: -0.025em;
  line-height: 1.4;
}

.feature-list p {
  max-width: 22rem;
  margin-top: 0.8rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.data-section {
  padding-block: 6rem;
  background: var(--paper);
  color: var(--ink);
}

.data-section .eyebrow,
.data-section figcaption {
  color: #5d5b68;
}

.data-heading {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 5rem;
}

.data-heading h2 {
  margin-top: 1.5rem;
}

.data-copy {
  max-width: 32rem;
  padding-top: 0.2rem;
}

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

.backup-layout {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  align-items: center;
  gap: 5rem;
  margin-top: 3.5rem;
}

.backup-guide h3 {
  font-size: 1.4rem;
}

.backup-guide ol {
  display: grid;
  gap: 1.3rem;
  margin: 1.5rem 0;
  padding-left: 1.3rem;
  font-size: 0.95rem;
}

.backup-guide li {
  padding-left: 0.4rem;
}

.backup-guide li::marker {
  color: #625d7a;
  font-size: 0.8rem;
  font-variant-numeric: tabular-nums;
}

strong {
  font-weight: 650;
}

.backup-note {
  padding-top: 1.3rem;
  border-top: 1px solid #b7b3c0;
  color: #55525f;
  font-size: 0.83rem;
  line-height: 1.7;
}

.platforms-section {
  padding-block: 6rem;
}

.platforms-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 3rem;
  margin-top: 1.5rem;
}

.platforms-action {
  padding-bottom: 0.2rem;
}

.native-platforms {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 5rem;
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}

.native-intro p {
  max-width: 25rem;
  margin-top: 0.7rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.platform-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem 3rem;
}

.platform-list > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
}

.platform-list dt {
  font-size: 0.9rem;
}

.platform-list dd {
  color: var(--muted);
  font-size: 0.75rem;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  min-height: 7rem;
  padding-block: 1.5rem;
  border-top: 1px solid var(--line);
}

.site-footer .brand {
  font-size: 1.3rem;
}

.site-footer p,
.site-footer > a:last-child {
  color: var(--muted);
  font-size: 0.8rem;
}

.site-footer > a:last-child:hover {
  color: var(--accent);
}

@media (max-width: 1050px) {
  .page-width {
    width: calc(100% - 4rem);
  }

  .hero-layout {
    grid-template-columns: 1.5fr 1fr;
    gap: 2.5rem;
  }

  h1 {
    font-size: clamp(3.4rem, 7.2vw, 5rem);
  }

  .section-intro {
    grid-template-columns: 1.25fr 1fr;
    gap: 1.5rem 3rem;
  }

  .section-intro > .eyebrow {
    grid-column: 1 / -1;
  }

  .data-heading,
  .backup-layout,
  .native-platforms {
    gap: 3rem;
  }

  .backup-layout {
    grid-template-columns: 1.2fr 1fr;
  }

  .platform-list {
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }
}

@media (max-width: 760px) {
  .page-width {
    width: calc(100% - 2.5rem);
  }

  .site-header {
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.25rem 2rem;
    padding-block: 1rem 0.7rem;
  }

  .site-header nav {
    justify-content: center;
    column-gap: 1.6rem;
    font-size: 0.8rem;
  }

  .hero {
    padding-top: 3.5rem;
  }

  .hero-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 1.3rem;
  }

  h1 {
    font-size: clamp(2.75rem, 10.5vw, 4.8rem);
  }

  .hero-intro {
    max-width: 31rem;
  }

  .hero-intro > p:first-child {
    font-size: 1rem;
  }

  .hero-footnote {
    margin-top: 3rem;
    font-size: 0.66rem;
  }

  .hero-footnote span:last-child,
  .product-figure figcaption span:last-child {
    display: none;
  }

  .product-section {
    padding-bottom: 3.5rem;
  }

  .section-intro,
  .feature-list,
  .data-heading,
  .backup-layout,
  .native-platforms {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .section-intro {
    margin-top: 3.5rem;
  }

  .section-intro > p:last-child,
  .feature-list p {
    max-width: 32rem;
  }

  .feature-list {
    gap: 1.75rem;
    margin-top: 2.5rem;
  }

  .feature-number {
    margin-bottom: 0.8rem;
  }

  .data-section,
  .platforms-section {
    padding-block: 3.5rem;
  }

  .data-heading h2 {
    margin-top: 1.3rem;
  }

  .backup-layout {
    gap: 2rem;
    margin-top: 2rem;
  }

  .backup-guide {
    max-width: 32rem;
  }

  .platforms-heading {
    flex-direction: column;
    align-items: start;
    gap: 2rem;
  }

  .native-platforms {
    gap: 1.8rem;
    margin-top: 2.5rem;
  }

  .platform-list {
    gap: 0.9rem;
  }

  .site-footer {
    flex-wrap: wrap;
    gap: 1.25rem;
    padding-block: 1.5rem 2rem;
  }

  .site-footer p {
    order: 1;
    width: 100%;
  }
}