:root {
  color-scheme: light;
  --ink: #172230;
  --muted: #677382;
  --line: #e3e8ee;
  --paper: #f7f9fc;
  --white: #fff;
  --blue: #0878ed;
  --blue-dark: #045bc6;
  --green: #74ca31;
  --content: 1120px;
  font-family: 'DM Sans', 'Noto Sans SC', 'Segoe UI', sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 82px; }
body { margin: 0; background: var(--paper); color: var(--ink); }
a { color: inherit; text-decoration: none; }
button { font: inherit; }

.topbar {
  height: 72px; padding: 0 max(28px, calc((100vw - var(--content)) / 2)); display: flex; align-items: center; gap: 48px;
  background: rgb(255 255 255 / 92%); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; backdrop-filter: blur(12px);
}
.brand { display: inline-flex; align-items: center; gap: 8px; font-size: 16px; font-weight: 700; white-space: nowrap; }
.brand img { width: 31px; height: 31px; object-fit: contain; }
.brand b { font-weight: 500; color: var(--muted); }
.topbar nav { display: flex; align-items: center; gap: 34px; margin-left: auto; }
.topbar nav a, .footer > a:not(.brand) { color: var(--muted); font-size: 13px; transition: color 150ms ease; }
.topbar nav a:hover, .footer > a:not(.brand):hover { color: var(--blue); }
.top-download { padding: 10px 15px; border: 1px solid #d7e2ef; border-radius: 5px; color: var(--blue-dark); font-size: 13px; font-weight: 600; transition: background 150ms ease, border-color 150ms ease; }
.top-download:hover { border-color: var(--blue); background: #f0f7ff; }
.top-download span { margin-left: 10px; }
.language-toggle { min-height: 36px; min-width: 48px; padding: 0 9px; border: 1px solid transparent; border-radius: 5px; background: transparent; color: #526174; font-size: 12px; font-weight: 600; cursor: pointer; transition: color 150ms ease, background 150ms ease, border-color 150ms ease; }
.language-toggle:hover, .language-toggle:focus-visible { color: var(--blue-dark); background: #f0f7ff; border-color: #d7e2ef; }
.menu-toggle { display: none; }

.hero { min-height: 660px; padding: 64px 28px 28px; display: flex; flex-direction: column; align-items: center; position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; width: 680px; height: 340px; top: -260px; left: calc(50% - 340px); border-radius: 50%; background: #dcebff; filter: blur(50px); opacity: .6; pointer-events: none; }
.hero-copy { width: min(100%, 880px); text-align: center; position: relative; z-index: 1; }
.eyebrow { margin: 0 0 17px; font-size: 10px; letter-spacing: 1.4px; font-weight: 700; color: #718091; }
.status-dot { display: inline-block; width: 7px; height: 7px; margin-right: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 3px #74ca3125; vertical-align: 1px; }
h1, h2, h3, p, figure { margin-top: 0; }
.hero h1 { margin-bottom: 13px; font-size: clamp(38px, 4.7vw, 58px); line-height: 1.22; font-weight: 600; }
.hero h1 .accent { color: var(--blue); }
.hero-description { margin-bottom: 23px; color: var(--muted); font-size: 15px; }
.hero-actions { display: flex; justify-content: center; align-items: center; gap: 25px; }
.button { min-height: 42px; padding: 0 17px; border-radius: 5px; display: inline-flex; align-items: center; justify-content: center; gap: 20px; font-size: 13px; font-weight: 600; transition: transform 150ms ease, background 150ms ease, border-color 150ms ease; }
.button:hover { transform: translateY(-1px); }
.button-primary { background: var(--blue); color: var(--white); box-shadow: 0 4px 12px #0878ed27; }
.button-primary:hover { background: var(--blue-dark); }
.text-link { font-size: 13px; font-weight: 600; color: #425267; }
.text-link span { margin-left: 6px; color: var(--blue); }
.hero-meta { margin-top: 22px; display: flex; justify-content: center; align-items: center; gap: 12px; font-size: 11px; color: #7b8794; }
.hero-meta i { width: 3px; height: 3px; border-radius: 50%; background: #b6c0ca; }
.product-shot { width: min(100%, 880px); margin: 33px 0 0; position: relative; z-index: 1; }
.product-shot img { display: block; width: 100%; height: auto; border: 1px solid #dfe6ec; border-radius: 7px; box-shadow: 0 18px 55px #1e355014; }
.product-shot figcaption { padding: 9px 2px 0; display: flex; justify-content: space-between; color: #86919c; font-size: 10px; }
.scroll-cue { position: absolute; bottom: 25px; left: max(28px, calc((100vw - var(--content)) / 2)); display: flex; align-items: center; gap: 10px; color: #7b8794; font-size: 10px; }
.scroll-cue b { color: var(--blue); font-size: 15px; font-weight: 400; }

.section-wrap { width: min(calc(100% - 56px), var(--content)); margin: 0 auto; }
.intro { padding-top: 116px; padding-bottom: 124px; display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; }
.section-heading .eyebrow, .principles-title .eyebrow { margin-bottom: 20px; }
.section-heading h2, .principles-title h2 { margin-bottom: 0; font-size: 36px; line-height: 1.35; font-weight: 600; }
.feature-list { border-top: 1px solid var(--line); }
.feature-row { min-height: 112px; display: grid; grid-template-columns: 42px 1fr 28px; align-items: start; gap: 12px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.feature-index, .principle > span { padding-top: 4px; color: #99a4af; font-size: 10px; font-weight: 600; }
.feature-row h3, .principle h3 { margin: 0 0 7px; font-size: 15px; font-weight: 600; }
.feature-row p, .principle p { max-width: 520px; margin: 0; color: var(--muted); font-size: 12px; line-height: 1.8; }
.feature-mark { width: 24px; height: 24px; display: grid; place-items: center; border-radius: 50%; font-size: 13px; }
.mark-green { background: #e7f5da; color: #4b9b1d; }
.mark-blue { background: #e5f1ff; color: var(--blue); }
.mark-lime { background: #f3f5d9; color: #879921; }

.principles { padding: 86px max(28px, calc((100vw - var(--content)) / 2)) 20px; background: #172a3d; color: var(--white); }
.principles-inner { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; padding-bottom: 76px; }
.principles-title .eyebrow { color: #9aafc3; }
.principles-title h2 { color: #fff; }
.principle { display: grid; grid-template-columns: 42px 1fr; gap: 12px; padding: 0 0 21px; margin-bottom: 20px; border-bottom: 1px solid #ffffff20; }
.principle:last-child { margin-bottom: 0; border-bottom: 0; }
.principle > span { color: #8da4ba; }
.principle h3 { color: #f7fbff; }
.principle p { color: #b8c5d2; }
.principles-foot { min-height: 42px; border-top: 1px solid #ffffff24; display: flex; align-items: center; justify-content: space-between; color: #a8bacb; font-size: 10px; }
.principles-foot span:first-child { letter-spacing: 1.1px; }

.download { min-height: 218px; display: grid; grid-template-columns: 74px 1fr auto; align-items: center; gap: 23px; padding-top: 54px; padding-bottom: 54px; }
.download-logo img { display: block; width: 60px; height: 60px; object-fit: contain; }
.download-copy .eyebrow { margin-bottom: 8px; }
.download-copy h2 { margin-bottom: 6px; font-size: 20px; font-weight: 600; }
.download-copy > p:last-child { margin: 0; color: var(--muted); font-size: 12px; }
.download-action { display: flex; flex-direction: column; align-items: flex-end; gap: 10px; }
.release-state { color: #7a8795; font-size: 10px; }
.release-state i { display: inline-block; width: 6px; height: 6px; margin-right: 5px; border-radius: 50%; background: #e1a234; }
.button-outline { color: var(--blue-dark); border: 1px solid #cbdbee; background: #fff; }
.button-outline:hover { border-color: var(--blue); background: #f4f9ff; }
.footer { min-height: 76px; padding: 14px max(28px, calc((100vw - var(--content)) / 2)); border-top: 1px solid var(--line); display: flex; align-items: center; gap: 23px; background: #fff; }
.footer-brand { font-size: 13px; }
.footer-brand img { width: 24px; height: 24px; }
.footer p { margin: 0 auto 0 0; color: #8a95a0; font-size: 10px; }
.footer > a:not(.brand), .copyright { color: #7a8795; font-size: 10px; white-space: nowrap; }

@media (min-width: 1400px) {
  .hero { padding-top: 52px; }
  .product-shot { width: min(100%, 930px); margin-top: 26px; }
}
@media (max-width: 760px) {
  .topbar { height: 62px; padding: 0 19px; gap: 0; }
  .brand { font-size: 14px; }
  .brand img { width: 28px; height: 28px; }
  .top-download { margin-left: auto; margin-right: 12px; padding: 8px 10px; font-size: 11px; }
  .language-toggle { order: 3; min-width: 43px; min-height: 34px; padding: 0 7px; font-size: 11px; }
  .menu-toggle { order: 4; width: 34px; height: 34px; padding: 9px 6px; display: flex; flex-direction: column; justify-content: center; gap: 5px; border: 0; background: transparent; }
  .menu-toggle span { width: 20px; height: 1.5px; background: var(--ink); }
  .topbar nav { position: absolute; top: 61px; left: 0; right: 0; padding: 0 20px; display: grid; gap: 0; background: #fff; border-bottom: 1px solid var(--line); max-height: 0; overflow: hidden; transition: max-height 200ms ease, padding 200ms ease; }
  .topbar nav.is-open { max-height: 180px; padding-top: 8px; padding-bottom: 8px; }
  .topbar nav a { padding: 12px 0; border-top: 1px solid #eef1f4; }
  .hero { min-height: 0; padding: 50px 18px 66px; }
  .hero h1 { font-size: 39px; }
  .hero-description { max-width: 300px; margin-left: auto; margin-right: auto; font-size: 13px; line-height: 1.7; }
  .hero-actions { gap: 17px; }
  .button { min-height: 40px; padding: 0 13px; font-size: 11px; }
  .text-link { font-size: 11px; }
  .hero-meta { gap: 8px; font-size: 9px; }
  .product-shot { width: 100%; margin-top: 31px; }
  .product-shot img { border-radius: 5px; }
  .product-shot figcaption { font-size: 9px; }
  .scroll-cue { bottom: 18px; left: 19px; }
  .section-wrap { width: calc(100% - 38px); }
  .intro { padding-top: 78px; padding-bottom: 84px; grid-template-columns: 1fr; gap: 30px; }
  .section-heading h2, .principles-title h2 { font-size: 30px; }
  .feature-row { grid-template-columns: 31px 1fr 24px; gap: 8px; }
  .feature-row p, .principle p { font-size: 11px; }
  .principles { padding: 66px 19px 18px; }
  .principles-inner { grid-template-columns: 1fr; gap: 32px; padding-bottom: 47px; }
  .download { grid-template-columns: 52px 1fr; gap: 15px; padding-top: 42px; padding-bottom: 42px; }
  .download-logo img { width: 48px; height: 48px; }
  .download-copy h2 { font-size: 17px; }
  .download-copy > p:last-child { font-size: 10px; line-height: 1.6; }
  .download-action { grid-column: 2; align-items: flex-start; }
  .footer { padding: 18px 19px; flex-wrap: wrap; gap: 12px 18px; }
  .footer p { order: 3; flex-basis: 100%; line-height: 1.6; }
  .copyright { margin-left: auto; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}