:root {
  color-scheme: light dark;
  --background: #f6f7f5;
  --surface: #ffffff;
  --text: #18201e;
  --muted: #5e6966;
  --line: #d9dfdc;
  --accent: #197a68;
  --accent-strong: #0d5e51;
  --secondary: #285f9e;
  --warning: #a94432;
  --max-width: 1040px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #111513;
    --surface: #181e1b;
    --text: #eef3f0;
    --muted: #aab5b0;
    --line: #35403b;
    --accent: #65c7b2;
    --accent-strong: #8bd9c8;
    --secondary: #8bb9ef;
    --warning: #ef9a86;
  }
}

* {
  box-sizing: border-box;
}

html {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  font-size: 18px;
  line-height: 1.55;
  background: var(--background);
  color: var(--text);
}

body {
  margin: 0;
}

img {
  max-width: 100%;
}

a {
  color: var(--secondary);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

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

.site-header {
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 94%, transparent);
}

.site-header__inner,
main,
.site-footer__inner {
  width: min(calc(100% - 40px), var(--max-width));
  margin-inline: auto;
}

.site-header__inner {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
  font-size: 1.05rem;
  font-weight: 700;
}

.brand img {
  width: 48px;
  height: 48px;
  border-radius: 11px;
}

.site-nav {
  display: flex;
  gap: 20px;
  font-size: 0.92rem;
}

.site-nav a[aria-current="page"] {
  color: var(--text);
  font-weight: 650;
  text-decoration: none;
}

main {
  padding-block: 64px 80px;
}

.intro {
  padding-bottom: 44px;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent-strong);
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  letter-spacing: 0;
  line-height: 1.2;
}

h1 {
  margin: 0;
  font-size: clamp(2.1rem, 7vw, 3.4rem);
  font-weight: 780;
}

h2 {
  margin: 0 0 20px;
  font-size: 1.45rem;
}

h3 {
  margin: 0 0 8px;
  font-size: 1.02rem;
}

.lede {
  max-width: 650px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.12rem;
}

.intro-detail {
  max-width: 650px;
  margin: 12px 0 0;
  color: var(--muted);
}

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

.section:last-child {
  border-bottom: 0;
}

.section-heading {
  margin-bottom: 24px;
}

.section-heading .eyebrow {
  margin-bottom: 8px;
}

.section-heading h2 {
  margin-bottom: 0;
}

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

.device-tabs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 0;
  padding: 0;
  border: 0;
  min-width: 0;
}

.device-tabs__control {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.device-tabs__label {
  display: flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
  font-weight: 720;
  transition: background-color 160ms ease, color 160ms ease, box-shadow 160ms ease;
}

.device-tabs__label:hover {
  color: var(--text);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}

.device-tabs__control:focus-visible + .device-tabs__label {
  outline: 3px solid color-mix(in srgb, var(--accent) 55%, transparent);
  outline-offset: 2px;
}

.device-tabs__control:checked + .device-tabs__label {
  border-color: var(--accent);
  color: #ffffff;
  background: var(--accent);
  box-shadow: 0 2px 8px color-mix(in srgb, var(--accent) 24%, transparent);
}

.device-tabs__panels {
  grid-column: 1 / -1;
  padding-top: 34px;
}

.device-panel {
  display: none;
}

#device-iphone:checked ~ .device-tabs__panels .device-panel--iphone,
#device-ipad:checked ~ .device-tabs__panels .device-panel--ipad {
  display: block;
}

.device-panel__heading,
.gallery-group__heading {
  margin-bottom: 24px;
}

.device-panel__heading h3,
.gallery-group__heading h3 {
  margin: 0;
  font-size: 1.2rem;
}

.gallery-group {
  margin-top: 46px;
  padding-top: 38px;
  border-top: 1px solid var(--line);
}

.feature-shot,
.product-gallery figure,
.appearance-pair figure,
.theme-gallery figure,
.ipad-gallery figure {
  margin: 0;
}

.feature-shot img,
.product-gallery img,
.appearance-pair img,
.theme-gallery img,
.ipad-gallery img {
  display: block;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.tablet-showcase {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(210px, 0.65fr);
  align-items: center;
  gap: 36px;
}

.device-copy p:last-child {
  margin: 10px 0 0;
  color: var(--muted);
}

.device-copy h3,
.device-heading h3 {
  margin: 0;
  font-size: 1.2rem;
}

.device-heading {
  margin-top: 42px;
}

.product-gallery {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
  margin-top: 20px;
}

.product-gallery figcaption,
.appearance-pair figcaption,
.theme-gallery figcaption,
.ipad-gallery figcaption {
  display: grid;
  gap: 4px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.45;
}

.product-gallery figcaption strong,
.appearance-pair figcaption strong,
.theme-gallery figcaption strong,
.ipad-gallery figcaption strong {
  color: var(--text);
  font-size: 0.94rem;
}

.theme-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}

.appearance-row {
  display: grid;
  grid-template-columns: minmax(150px, 0.55fr) minmax(0, 1.45fr);
  align-items: start;
  gap: 32px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.appearance-row + .appearance-row {
  margin-top: 36px;
}

.appearance-row__heading h3 {
  margin: 0;
  font-size: 1.2rem;
}

.appearance-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.ipad-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px 28px;
}

.ipad-gallery figure:last-child:nth-child(odd) {
  grid-column: 1 / -1;
  width: min(100%, 720px);
  margin-inline: auto;
}

.ipad-theme-gallery {
  margin-top: 42px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.feature-note {
  max-width: 620px;
  margin: 24px auto 0;
  color: var(--muted);
  text-align: center;
  font-size: 0.9rem;
}

.steps,
.plain-list {
  margin: 0;
  padding-left: 1.35rem;
}

.steps li,
.plain-list li {
  padding-left: 0.35rem;
  margin-block: 0.55rem;
}

.help-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 28px;
}

.help-item {
  padding-block: 22px;
  border-top: 1px solid var(--line);
}

.help-item p {
  margin: 0;
  color: var(--muted);
}

details {
  border-top: 1px solid var(--line);
  padding-block: 18px;
}

details:last-child {
  border-bottom: 1px solid var(--line);
}

summary {
  cursor: pointer;
  font-weight: 680;
}

details p {
  margin: 12px 0 0;
  color: var(--muted);
}

.contact {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.contact p {
  margin: 7px 0 0;
  color: var(--muted);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 10px 18px;
  border-radius: 8px;
  background: var(--accent);
  color: #ffffff;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.button:hover {
  background: var(--accent-strong);
  color: #ffffff;
}

.policy-section {
  padding-block: 30px;
  border-bottom: 1px solid var(--line);
}

.policy-section p:last-child,
.policy-section ul:last-child {
  margin-bottom: 0;
}

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

.policy-section strong {
  color: var(--text);
}

.updated {
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.site-footer__inner {
  min-height: 96px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: var(--muted);
  font-size: 0.88rem;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 640px) {
  html {
    font-size: 17px;
  }

  .site-header__inner {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 10px;
    padding-block: 16px;
  }

  main {
    padding-block: 44px 64px;
  }

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

  .tablet-showcase {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .feature-shot {
    width: min(100%, 520px);
  }

  .device-heading {
    margin-top: 36px;
  }

  .device-tabs {
    gap: 6px;
  }

  .device-tabs__panels {
    padding-top: 28px;
  }

  .gallery-group {
    margin-top: 38px;
    padding-top: 30px;
  }

  .product-gallery {
    grid-template-columns: repeat(3, minmax(220px, 72vw));
    gap: 16px;
    margin-inline: -20px;
    padding-inline: 20px;
    padding-bottom: 12px;
    overflow-x: auto;
    scroll-snap-type: x proximity;
  }

  .product-gallery figure {
    scroll-snap-align: start;
  }

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

  .appearance-row {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .appearance-pair {
    grid-template-columns: repeat(2, minmax(220px, 72vw));
    gap: 16px;
    margin-inline: -20px;
    padding-inline: 20px;
    padding-bottom: 12px;
    overflow-x: auto;
    scroll-snap-type: x proximity;
  }

  .appearance-pair figure {
    scroll-snap-align: start;
  }

  .ipad-gallery {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .ipad-gallery figure:last-child:nth-child(odd) {
    grid-column: auto;
    width: 100%;
  }

  .contact,
  .site-footer__inner {
    align-items: flex-start;
    flex-direction: column;
    padding-block: 24px;
  }

  .button {
    width: 100%;
  }
}