/* Reading styles for the Auto Align blog: plain, like Apple's Newsroom. */
:root {
  --bg: #ffffff;
  --bg-alt: #f5f5f7;
  --text: #1d1d1f;
  --text-2: #6e6e73;
  --link: #0066cc;
  --button: #0071e3;
  --hairline: rgba(0, 0, 0, 0.12);
  --nav-bg: rgba(255, 255, 255, 0.72);
  --max-width: 692px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --bg-alt: #1c1c1e;
    --text: #f5f5f7;
    --text-2: #a1a1a6;
    --link: #2997ff;
    --hairline: rgba(255, 255, 255, 0.16);
    --nav-bg: rgba(22, 22, 23, 0.72);
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 19px;
  line-height: 1.58;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

.progress { position: fixed; top: 0; left: 0; height: 3px; width: 100%; background: var(--button); transform-origin: 0 50%; transform: scaleX(0); z-index: 60; }

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--nav-bg);
  backdrop-filter: saturate(180%) blur(20px); -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--hairline);
  display: flex; align-items: center; gap: 24px;
  padding: 0 max(22px, calc((100vw - 980px) / 2)); height: 52px;
}
.site-header .brand { font-size: 19px; font-weight: 600; color: var(--text); margin-right: auto; }
.site-header nav { display: flex; gap: 22px; }
.site-header nav a { font-size: 12px; color: var(--text); opacity: 0.8; }

main { max-width: var(--max-width); margin: 0 auto; padding: 48px 22px 80px; }
.breadcrumbs { font-size: 12px; color: var(--text-2); margin-bottom: 40px; display: flex; flex-wrap: wrap; gap: 6px; }
.breadcrumbs a { color: var(--text-2); }
h1 { font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", sans-serif; font-size: clamp(34px, 5.5vw, 48px); line-height: 1.08; letter-spacing: -0.015em; font-weight: 700; margin: 0 0 16px; }
.meta { font-size: 14px; color: var(--text-2); margin-bottom: 44px; padding-bottom: 28px; border-bottom: 1px solid var(--hairline); }
h2 { font-size: 30px; line-height: 1.15; letter-spacing: -0.01em; font-weight: 700; margin: 56px 0 14px; }
h3 { font-size: 21px; line-height: 1.25; font-weight: 600; margin: 32px 0 8px; }
p { margin: 0 0 20px; }
ul, ol { margin: 0 0 22px; padding-left: 24px; }
li { margin-bottom: 8px; }
strong { font-weight: 600; }

.quick-answer { background: var(--bg-alt); border-radius: 18px; padding: 24px 28px; margin: 32px 0 40px; }
.quick-answer .label { font-size: 12px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-2); margin-bottom: 8px; }
.quick-answer p { margin: 0; }

figure { margin: 32px 0; }
figure img { width: 100%; height: auto; display: block; border-radius: 14px; }
figcaption { font-size: 14px; color: var(--text-2); margin-top: 10px; }
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 28px 0; align-items: start; }
.compare-grid figure { margin: 0; }
@media (max-width: 560px) { .compare-grid { grid-template-columns: 1fr; } }

table { width: 100%; border-collapse: collapse; margin: 24px 0 32px; font-size: 16px; }
th, td { text-align: left; padding: 12px 10px; border-bottom: 1px solid var(--hairline); vertical-align: top; }
th { font-weight: 600; }
.table-wrap, table { overflow-x: auto; }

details { border-bottom: 1px solid var(--hairline); padding: 16px 0; }
details:first-of-type { border-top: 1px solid var(--hairline); }
summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--text-2); font-weight: 400; font-size: 22px; line-height: 1; transition: transform 0.25s; }
details[open] summary::after { transform: rotate(45deg); }
details p { margin: 12px 0 0; color: var(--text-2); }

.cta { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; background: var(--bg-alt); border-radius: 22px; padding: 28px 30px; margin: 56px 0 0; }
.cta-text { display: flex; flex-direction: column; gap: 4px; }
.cta-text strong { font-size: 21px; }
.cta-text span { color: var(--text-2); font-size: 16px; }
.cta-btn { background: var(--button); color: #fff !important; border-radius: 980px; padding: 11px 22px; font-size: 17px; text-decoration: none !important; }
.cta-btn:hover { filter: brightness(1.08); }

.site-footer { background: var(--bg-alt); color: var(--text-2); font-size: 12px; padding: 24px 22px 36px; text-align: center; }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .progress { display: none; }
}
@media (max-width: 600px) { .site-header nav a:not(:first-child) { display: none; } }