:root {
  color-scheme: dark;
  --background: #111415; --surface: #1b2020; --media: #252b2b;
  --text: #edf0ee; --soft: #b8bfbc; --muted: #99a59f;
  --line: #35403b; --accent: #88d9ae;
  --width: 1240px; --gutter: clamp(20px, 4vw, 56px);
  --section-space: clamp(56px, 7vw, 96px); --column-gap: clamp(32px, 5vw, 72px);
  --text-small: .875rem; --text-body: 1rem; --text-lead: 1.125rem;
  --text-subheading: 1.25rem; --text-heading: clamp(1.75rem, 3vw, 2.5rem);
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 104px; scrollbar-color: #53645a var(--background); }
body { margin: 0; background: var(--background); color: var(--text); font: var(--text-body)/1.65 var(--sans); -webkit-font-smoothing: antialiased; }
h1, h2, h3, h4, p, figure, dl, dd { margin: 0; }
h1, h2, h3, h4 { font-weight: 600; line-height: 1.2; letter-spacing: -.025em; text-wrap: balance; }
h2 { font-size: var(--text-heading); }
h3 { font-size: var(--text-subheading); letter-spacing: -.015em; }
a { color: inherit; text-decoration: none; text-underline-offset: 5px; }
button { font: inherit; }
img { display: block; max-width: 100%; height: auto; }
a, button, summary { touch-action: manipulation; -webkit-tap-highlight-color: transparent; }
::selection { background: var(--accent); color: var(--background); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
.container { width: min(var(--width), calc(100% - var(--gutter) * 2)); margin-inline: auto; }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 100; padding: 8px 16px; background: var(--accent); color: var(--background); transform: translateY(-180%); }
.skip-link:focus { transform: translateY(0); }
.arrow { display: inline-block; width: 20px; height: 20px; flex-shrink: 0; vertical-align: middle; }

.masthead { position: sticky; top: 0; z-index: 20; background: var(--background); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; min-height: 76px; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; font-size: 1.2rem; font-weight: 650; letter-spacing: -.025em; }
.site-nav { display: flex; align-items: center; gap: clamp(16px, 2vw, 28px); font-size: var(--text-small); }
.site-nav a { display: inline-flex; min-height: 44px; align-items: center; color: var(--accent); }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--text); }
.site-nav a[aria-current="page"] { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 8px; }
.site-nav a.nav-download { justify-content: center; padding: 8px 16px; border-radius: 8px; background: var(--accent); color: var(--background); font-weight: 600; text-align: center; white-space: nowrap; }
.site-nav a.nav-download:hover, .site-nav a.nav-download:focus-visible { background: color-mix(in srgb, var(--accent) 84%, var(--text)); color: var(--background); }
.site-nav a.nav-download:active { background: var(--accent); }
.site-nav .nav-notes { padding-left: 24px; border-left: 1px solid var(--line); }
.nav-toggle { display: none; color: var(--text); background: none; border: 0; cursor: pointer; }
.menu-icon { width: 18px; height: 10px; border-top: 1px solid currentColor; border-bottom: 1px solid currentColor; }

.hero { padding-top: 64px; padding-bottom: 48px; }
.hero-intro { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.35fr); gap: 48px; align-items: center; }
.hero-text { min-width: 0; }
.hero h1 { max-width: 20ch; font-size: clamp(2.5rem, 4vw, 3.5rem); line-height: 1.08; letter-spacing: -.035em; text-wrap: pretty; }
.hero h1 span { display: block; color: var(--soft); }
.hero-copy { margin-top: 24px; }
.hero-copy > p { max-width: 65ch; font-size: var(--text-body); color: var(--soft); line-height: 1.65; }
.hero-media { position: relative; padding-bottom: 28px; }
.hero-pip { position: absolute; width: 43%; right: -8px; bottom: 0; filter: drop-shadow(0 12px 16px #0008); }
.hero-media figcaption { padding-right: 45%; }
.platform-link { display: inline-flex; align-items: center; gap: 16px; min-height: 44px; margin-top: 20px; font-size: var(--text-small); color: var(--muted); }
.platform-link:hover { color: var(--accent); }
.capability-index { display: flex; flex-wrap: wrap; gap: 8px 32px; margin-top: 24px; }
.capability-index a { display: inline-flex; align-items: center; gap: 12px; padding: 8px 0; min-height: 44px; font-size: var(--text-body); color: var(--accent); }
.capability-index a:hover, .capability-index a[aria-current] { text-decoration: underline; }

.product-shot { min-width: 0; }
.hero-shot { margin-top: 32px; }
.screenshot-link { display: block; border-radius: 4px; cursor: zoom-in; }
/* The WebP alpha channel preserves the native window outline at every size. */
.product-shot img { width: 100%; }
.screenshot-link:hover { outline: 1px solid var(--line); outline-offset: 3px; }
.feature-section .screenshot-link { text-decoration: none; }
figcaption { padding-top: 12px; font-size: var(--text-small); color: var(--muted); }

.screenshot-lightbox {
  --pswp-bg: var(--background);
  --pswp-placeholder-bg: var(--surface);
  --pswp-icon-color: var(--text);
  --pswp-icon-color-secondary: var(--surface);
  --pswp-icon-stroke-color: var(--background);
  --pswp-preloader-color: var(--line);
  --pswp-preloader-color-secondary: var(--accent);
}
.screenshot-lightbox .pswp__button:hover { --pswp-icon-color: var(--accent); }
.screenshot-lightbox .pswp__button:focus-visible { outline: 2px solid var(--accent); outline-offset: -6px; }
.screenshot-lightbox .pswp__counter { font-variant-numeric: tabular-nums; opacity: 1; text-shadow: none; }
.screenshot-lightbox .pswp__error-msg { max-width: 36ch; padding: 24px; line-height: 1.65; text-align: center; }

.capability-section { padding-top: var(--section-space); padding-bottom: var(--section-space); }
.capability-section + .capability-section { border-top: 1px solid var(--line); }
.section-intro { display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; align-items: start; margin-bottom: 32px; }
.section-intro h2 { max-width: 20ch; }
.section-intro p { max-width: 68ch; font-size: var(--text-lead); color: var(--soft); }
.feature-link { display: inline-flex; align-items: center; gap: 12px; min-height: 44px; margin-top: 16px; font-size: var(--text-small); font-weight: 500; color: var(--accent); }
.feature-link:hover { text-decoration: underline; }
.capability-columns { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px; margin-top: 32px; }
.capability-columns dt, .capability-rows dt { font-weight: 600; font-size: var(--text-subheading); line-height: 1.4; letter-spacing: -.015em; }
.capability-columns dd, .capability-rows dd { margin-top: 12px; color: var(--soft); }
.supporting-columns { grid-template-columns: repeat(2, minmax(0, 1fr)); padding-top: 32px; border-top: 1px solid var(--line); }
.integrated-feature { display: grid; grid-template-columns: 1fr 1.1fr; gap: var(--column-gap); margin-top: 40px; padding-top: 28px; border-top: 1px solid var(--line); }
.integrated-feature h3 { max-width: 26ch; }
.integrated-feature p { max-width: 64ch; color: var(--soft); }
.system-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: var(--column-gap); align-items: start; }
.capability-rows > div { padding: 24px 0; border-top: 1px solid var(--line); }
.capability-rows > div:first-child { padding-top: 0; border: 0; }
.section-note { margin-top: 24px; max-width: 72ch; color: var(--soft); font-size: var(--text-body); }
.execution-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.execution-layout article { min-width: 0; }
.execution-layout h3 { margin-top: 28px; font-size: 1.5rem; }
.execution-layout article > p { margin-top: 12px; max-width: 60ch; color: var(--soft); }
.feature-points { margin: 20px 0 0; padding-left: 20px; color: var(--soft); }
.feature-points li { padding-left: 4px; }
.feature-points li + li { margin-top: 8px; }
.feature-points li::marker { color: var(--muted); }

.rdp-section { padding: var(--section-space) 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.rdp-layout { display: grid; grid-template-columns: 1.3fr .7fr; gap: var(--column-gap); align-items: center; }

.release-downloads { padding-top: var(--section-space); padding-bottom: 32px; }
.download-list { list-style: none; margin: 0; padding: 0; }
.download-row { display: grid; grid-template-columns: 1fr 1.1fr; align-items: start; gap: var(--column-gap); padding: 24px 0; border-top: 1px solid var(--line); }
.download-row h3 { font-size: var(--text-lead); line-height: 1.5; padding-top: 8px; }
.download-primary { display: inline-flex; flex-wrap: wrap; gap: 8px; align-items: center; min-height: 44px; color: var(--accent); font-weight: 500; }
.download-primary span { color: var(--soft); font-weight: 400; }
.download-alternatives { display: flex; flex-wrap: wrap; gap: 8px 24px; }
.download-alternatives a { display: inline-flex; align-items: center; min-height: 44px; color: var(--muted); font-size: var(--text-small); }
.download-primary:hover, .download-alternatives a:hover { text-decoration: underline; }
.technical-notes { padding-top: var(--section-space); padding-bottom: 64px; }
.technical-notes > h2 { font-size: 1.75rem; }
.technical-layout { display: grid; grid-template-columns: 1fr 1fr; gap: var(--column-gap); margin-top: 32px; }
.technical-layout p { max-width: 60ch; margin-top: 16px; color: var(--soft); }

.feature-hero { padding-top: 32px; padding-bottom: 40px; }
.back-link { display: inline-flex; gap: 10px; min-height: 44px; align-items: center; margin-bottom: 20px; color: var(--muted); font-size: var(--text-small); }
.back-link:hover { color: var(--accent); }
.feature-hero h1 { max-width: 24ch; font-size: clamp(2.125rem, 3.8vw, 3rem); line-height: 1.15; letter-spacing: -.03em; }
.hero-description { max-width: 70ch; margin-top: 20px; color: var(--soft); font-size: var(--text-lead); text-wrap: pretty; }
.feature-content { display: grid; grid-template-columns: 224px minmax(0, 1fr); gap: var(--column-gap); align-items: start; padding-bottom: 64px; }
.feature-toc { position: sticky; top: 100px; max-height: calc(100dvh - 124px); overflow-y: auto; padding-right: 16px; }
.toc-disclosure > summary { min-height: 44px; padding: 8px 0; font-weight: 600; cursor: pointer; }
.toc-group { margin-top: 20px; }
.toc-group > p { font-size: var(--text-small); font-weight: 600; }
.toc-group ul { margin: 8px 0 0; padding: 0; list-style: none; }
.toc-group a { display: flex; align-items: center; min-height: 44px; padding: 8px 0 8px 12px; border-left: 1px solid var(--line); color: var(--muted); font-size: var(--text-small); line-height: 1.5; }
.toc-group a:hover, .toc-group a[aria-current="location"] { color: var(--accent); border-left-color: var(--accent); }
.toc-group a:focus-visible { outline-offset: -2px; }
.feature-sections { min-width: 0; }
.feature-sections > .hero-shot { margin: 0 0 48px; }
.feature-group + .feature-group { margin-top: 48px; padding-top: 32px; border-top: 1px solid var(--line); }
.group-heading { font-size: clamp(1.5rem, 2.5vw, 2rem); margin-bottom: 32px; }
.feature-section { padding-bottom: 36px; }
.feature-section:last-child { padding-bottom: 0; }
.feature-section h3 { max-width: 56ch; font-size: var(--text-subheading); line-height: 1.35; }
.feature-section p { max-width: 70ch; margin-top: 14px; color: var(--soft); }
.feature-section a { color: var(--text); text-decoration: underline; text-decoration-color: #637c6d; }
.feature-section a:hover { color: var(--accent); }
.feature-section code { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .875em; color: var(--text); overflow-wrap: anywhere; }
.feature-illustration { margin-top: 28px; }
.feature-usage { margin-top: 28px; }
.feature-usage h4 { font-size: var(--text-body); line-height: 1.5; letter-spacing: normal; }
.feature-facts { margin-top: 20px; }
.feature-facts > div { display: grid; grid-template-columns: 144px minmax(0, 1fr); gap: 24px; padding: 16px 0; border-top: 1px solid var(--line); }
.feature-facts > div:last-child { border-bottom: 1px solid var(--line); }
.feature-facts dt { font-weight: 500; }
.feature-facts dd { color: var(--soft); }
.technical-detail { margin-top: 20px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.technical-detail + .technical-detail { margin-top: 0; border-top: 0; }
.technical-detail > summary { position: relative; min-height: 48px; padding: 12px 32px 12px 0; color: var(--text); font-weight: 500; cursor: pointer; list-style: none; }
.technical-detail > summary::-webkit-details-marker { display: none; }
.technical-detail > summary::after { content: ""; position: absolute; right: 4px; top: 20px; width: 7px; height: 7px; border-right: 1px solid var(--muted); border-bottom: 1px solid var(--muted); transform: rotate(45deg); }
.technical-detail[open] > summary::after { transform: rotate(225deg); top: 23px; }
.technical-detail > summary:hover { color: var(--accent); }
.technical-detail > div { padding-bottom: 24px; }
.technical-detail > div > p:first-child { margin-top: 4px; }
.related-features { padding-top: 24px; padding-bottom: 32px; border-top: 1px solid var(--line); }
.related-features > div { display: flex; flex-wrap: wrap; gap: 12px 40px; }
.related-features a { display: inline-flex; align-items: center; gap: 16px; min-height: 44px; font-size: var(--text-small); }
.related-features a:hover { color: var(--accent); }
.related-features .arrow { color: var(--muted); }
.site-footer { border-top: 1px solid var(--line); }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 24px; min-height: 100px; padding-top: 20px; padding-bottom: 20px; }
.footer-inner .brand { font-size: 1rem; }
.footer-inner nav { display: flex; flex-wrap: wrap; gap: 12px 28px; }
.footer-inner nav a { display: inline-flex; align-items: center; min-height: 44px; color: var(--muted); font-size: var(--text-small); }
.footer-inner nav a:hover { color: var(--accent); }
.footer-credit { display: inline-flex; align-items: center; flex-shrink: 0; gap: 8px; color: var(--muted); font-size: var(--text-small); }
.footer-credit a { display: inline-flex; align-items: center; min-height: 44px; opacity: .85; }
.footer-credit a:hover, .footer-credit a:focus-visible { opacity: 1; }
.footer-credit img { width: auto; height: 22px; }

@media (max-width: 1080px) {
  .hero-intro { grid-template-columns: minmax(0, 1fr); gap: 36px; }
  .hero-media { max-width: 820px; width: 100%; }
  .header-inner { gap: 20px; }
  .site-nav { gap: 16px; }
  .site-nav .nav-notes { padding-left: 16px; }
  .feature-content { grid-template-columns: 192px minmax(0, 1fr); }
  .system-layout, .rdp-layout { grid-template-columns: 1fr 1fr; }
  .capability-columns, .execution-layout { gap: 28px; }
}
@media (max-width: 900px) {
  html { scroll-padding-top: 92px; }
  .header-inner { min-height: 68px; flex-wrap: wrap; gap: 0; }
  .js .nav-toggle { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 44px; padding: 6px 0 6px 16px; font-size: var(--text-small); }
  .site-nav { display: grid; grid-template-columns: 1fr 1fr; flex-basis: 100%; gap: 0 24px; max-height: calc(100dvh - 68px); overflow-y: auto; padding-top: 12px; padding-bottom: 16px; }
  .js .site-nav:not(.is-open) { display: none; }
  .site-nav a { min-height: 48px; }
  .site-nav a.nav-download { justify-self: start; margin-block: 2px; }
  .site-nav .nav-notes { padding-left: 0; border: 0; }
  .hero { padding-top: 40px; }
  .hero h1 { max-width: 24ch; }
  .platform-link { margin-top: 12px; }
  .system-layout, .rdp-layout { grid-template-columns: 1fr; }
  .system-layout .capability-rows, .rdp-layout .capability-rows { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
  .capability-rows > div { padding: 0; border: 0; }
  .rdp-layout { gap: 32px; }
  .feature-content { display: block; }
  .feature-toc { position: static; max-height: none; overflow: visible; padding: 0; margin-bottom: 32px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .toc-disclosure > summary { padding: 16px 0; min-height: 56px; }
  .toc-groups { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; padding-bottom: 24px; }
  .toc-group { margin-top: 0; }
  .feature-sections { max-width: 100%; }
  .feature-hero { padding-bottom: 28px; }
  .feature-facts > div { grid-template-columns: 128px minmax(0, 1fr); }
}
@media (max-width: 600px) {
  .hero h1 { font-size: clamp(2.125rem, 8.5vw, 2.75rem); line-height: 1.12; }
  .hero-copy > p, .hero-description, .section-intro p { font-size: 1rem; }
  .capability-index { flex-direction: column; align-items: flex-start; }
  .capability-index .arrow { width: 16px; height: 16px; }
  .hero-pip { right: 0; }
  .section-intro { margin-bottom: 28px; }
  .section-intro h2 { max-width: 22ch; }
  .feature-link { margin-top: 12px; }
  .capability-columns, .system-layout .capability-rows, .rdp-layout .capability-rows { grid-template-columns: 1fr; gap: 24px; }
  .integrated-feature { grid-template-columns: 1fr; gap: 16px; margin-top: 32px; padding-top: 24px; }
  .capability-columns dt, .capability-rows dt { font-size: 1.125rem; }
  .capability-columns dd, .capability-rows dd { margin-top: 8px; }
  .execution-layout { grid-template-columns: 1fr; gap: 40px; }
  .execution-layout article + article { padding-top: 32px; border-top: 1px solid var(--line); }
  .execution-layout h3 { margin-top: 20px; }
  .technical-layout { grid-template-columns: 1fr; gap: 32px; }
  .download-row { grid-template-columns: 1fr; gap: 8px; }
  .technical-notes { padding-bottom: 40px; }
  .toc-groups { grid-template-columns: 1fr; gap: 24px; }
  .feature-hero { padding-top: 20px; }
  .back-link { margin-bottom: 12px; }
  .feature-hero h1 { font-size: 2rem; }
  .hero-description { margin-top: 16px; }
  .feature-sections > .hero-shot { margin-bottom: 36px; }
  .feature-group + .feature-group { margin-top: 36px; padding-top: 28px; }
  .group-heading { margin-bottom: 28px; }
  .feature-section { padding-bottom: 32px; }
  .feature-facts > div { grid-template-columns: 1fr; gap: 8px; }
  .related-features > div { flex-direction: column; gap: 4px; }
  .related-features a { justify-content: space-between; }
  .footer-inner { align-items: flex-start; flex-direction: column; gap: 16px; padding-top: 28px; padding-bottom: 28px; }
  .footer-inner nav { display: flex; flex-direction: column; gap: 0; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
